diff options
269 files changed, 9689 insertions, 5607 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index b4f548792e3..7c22a532fdf 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -182,3 +182,14 @@ Description: USB2 hardware LPM is enabled for the device. Developer can write y/Y/1 or n/N/0 to the file to enable/disable the feature. + +What: /sys/bus/usb/devices/.../removable +Date: February 2012 +Contact: Matthew Garrett <mjg@redhat.com> +Description: + Some information about whether a given USB device is + physically fixed to the platform can be inferred from a + combination of hub decriptor bits and platform-specific data + such as ACPI. This file will read either "removable" or + "fixed" if the information is available, and "unknown" + otherwise.
\ No newline at end of file diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index a0ffac029a0..d5dc80f3035 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -524,3 +524,14 @@ Files: arch/arm/mach-at91/at91cap9.c Why: The code is not actively maintained and platforms are now hard to find. Who: Nicolas Ferre <nicolas.ferre@atmel.com> Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + +---------------------------- + +What: Low Performance USB Block driver ("CONFIG_BLK_DEV_UB") +When: 3.6 +Why: This driver provides support for USB storage devices like "USB + sticks". As of now, it is deactivated in Debian, Fedora and + Ubuntu. All current users can switch over to usb-storage + (CONFIG_USB_STORAGE) which only drawback is the additional SCSI + stack. +Who: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> diff --git a/Documentation/i2c/instantiating-devices b/Documentation/i2c/instantiating-devices index 9edb75d8c9b..abf63615ee0 100644 --- a/Documentation/i2c/instantiating-devices +++ b/Documentation/i2c/instantiating-devices @@ -87,11 +87,11 @@ it may have different addresses from one board to the next (manufacturer changing its design without notice). In this case, you can call i2c_new_probed_device() instead of i2c_new_device(). -Example (from the pnx4008 OHCI driver): +Example (from the nxp OHCI driver): static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; -static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev) +static int __devinit usb_hcd_nxp_probe(struct platform_device *pdev) { (...) struct i2c_adapter *i2c_adap; @@ -100,7 +100,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev) (...) i2c_adap = i2c_get_adapter(2); memset(&i2c_info, 0, sizeof(struct i2c_board_info)); - strlcpy(i2c_info.type, "isp1301_pnx", I2C_NAME_SIZE); + strlcpy(i2c_info.type, "isp1301_nxp", I2C_NAME_SIZE); isp1301_i2c_client = i2c_new_probed_device(i2c_adap, &i2c_info, normal_i2c, NULL); i2c_put_adapter(i2c_adap); diff --git a/arch/arm/mach-imx/mx31moboard-devboard.c b/arch/arm/mach-imx/mx31moboard-devboard.c index 0aa25364360..cc285e50728 100644 --- a/arch/arm/mach-imx/mx31moboard-devboard.c +++ b/arch/arm/mach-imx/mx31moboard-devboard.c @@ -158,7 +158,7 @@ static int devboard_usbh1_hw_init(struct platform_device *pdev) #define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B) #define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE) -static int devboard_isp1105_init(struct otg_transceiver *otg) +static int devboard_isp1105_init(struct usb_phy *otg) { int ret = gpio_request(USBH1_MODE, "usbh1-mode"); if (ret) @@ -177,7 +177,7 @@ static int devboard_isp1105_init(struct otg_transceiver *otg) } -static int devboard_isp1105_set_vbus(struct otg_transceiver *otg, bool on) +static int devboard_isp1105_set_vbus(struct usb_otg *otg, bool on) { if (on) gpio_set_value(USBH1_VBUSEN_B, 0); @@ -194,18 +194,24 @@ static struct mxc_usbh_platform_data usbh1_pdata __initdata = { static int __init devboard_usbh1_init(void) { - struct otg_transceiver *otg; + struct usb_phy *phy; struct platform_device *pdev; - otg = kzalloc(sizeof(*otg), GFP_KERNEL); - if (!otg) + phy = kzalloc(sizeof(*phy), GFP_KERNEL); + if (!phy) return -ENOMEM; - otg->label = "ISP1105"; - otg->init = devboard_isp1105_init; - otg->set_vbus = devboard_isp1105_set_vbus; + phy->otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL); + if (!phy->otg) { + kfree(phy); + return -ENOMEM; + } + + phy->label = "ISP1105"; + phy->init = devboard_isp1105_init; + phy->otg->set_vbus = devboard_isp1105_set_vbus; - usbh1_pdata.otg = otg; + usbh1_pdata.otg = phy; pdev = imx31_add_mxc_ehci_hs(1, &usbh1_pdata); if (IS_ERR(pdev)) diff --git a/arch/arm/mach-imx/mx31moboard-marxbot.c b/arch/arm/mach-imx/mx31moboard-marxbot.c index bb639cbda4e..135c90e3a45 100644 --- a/arch/arm/mach-imx/mx31moboard-marxbot.c +++ b/arch/arm/mach-imx/mx31moboard-marxbot.c @@ -272,7 +272,7 @@ static int marxbot_usbh1_hw_init(struct platform_device *pdev) #define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B) #define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE) -static int marxbot_isp1105_init(struct otg_transceiver *otg) +static int marxbot_isp1105_init(struct usb_phy *otg) { int ret = gpio_request(USBH1_MODE, "usbh1-mode"); if (ret) @@ -291,7 +291,7 @@ static int marxbot_isp1105_init(struct otg_transceiver *otg) } -static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on) +static int marxbot_isp1105_set_vbus(struct usb_otg *otg, bool on) { if (on) gpio_set_value(USBH1_VBUSEN_B, 0); @@ -308,18 +308,24 @@ static struct mxc_usbh_platform_data usbh1_pdata __initdata = { static int __init marxbot_usbh1_init(void) { - struct otg_transceiver *otg; + struct usb_phy *phy; struct platform_device *pdev; - otg = kzalloc(sizeof(*otg), GFP_KERNEL); - if (!otg) + phy = kzalloc(sizeof(*phy), GFP_KERNEL); + if (!phy) return -ENOMEM; - otg->label = "ISP1105"; - otg->init = marxbot_isp1105_init; - otg->set_vbus = marxbot_isp1105_set_vbus; + phy->otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL); + if (!phy->otg) { + kfree(phy); + return -ENOMEM; + } + + phy->label = "ISP1105"; + phy->init = marxbot_isp1105_init; + phy->otg->set_vbus = marxbot_isp1105_set_vbus; - usbh1_pdata.otg = otg; + usbh1_pdata.otg = phy; pdev = imx31_add_mxc_ehci_hs(1, &usbh1_pdata); if (IS_ERR(pdev)) diff --git a/arch/arm/mach-pxa/pxa3xx-ulpi.c b/arch/arm/mach-pxa/pxa3xx-ulpi.c index e28dfb88827..5ead6d480c6 100644 --- a/arch/arm/mach-pxa/pxa3xx-ulpi.c +++ b/arch/arm/mach-pxa/pxa3xx-ulpi.c @@ -33,7 +33,7 @@ struct pxa3xx_u2d_ulpi { struct clk *clk; void __iomem *mmio_base; - struct otg_transceiver *otg; + struct usb_phy *otg; unsigned int ulpi_mode; }; @@ -79,7 +79,7 @@ static int pxa310_ulpi_poll(void) return -ETIMEDOUT; } -static int pxa310_ulpi_read(struct otg_transceiver *otg, u32 reg) +static int pxa310_ulpi_read(struct usb_phy *otg, u32 reg) { int err; @@ -98,7 +98,7 @@ static int pxa310_ulpi_read(struct otg_transceiver *otg, u32 reg) return u2d_readl(U2DOTGUCR) & U2DOTGUCR_RDATA; } -static int pxa310_ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg) +static int pxa310_ulpi_write(struct usb_phy *otg, u32 val, u32 reg) { if (pxa310_ulpi_get_phymode() != SYNCH) { pr_warning("%s: PHY is not in SYNCH mode!\n", __func__); @@ -111,7 +111,7 @@ static int pxa310_ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg) return pxa310_ulpi_poll(); } -struct otg_io_access_ops pxa310_ulpi_access_ops = { +struct usb_phy_io_ops pxa310_ulpi_access_ops = { .read = pxa310_ulpi_read, .write = pxa310_ulpi_write, }; @@ -139,19 +139,19 @@ static int pxa310_start_otg_host_transcvr(struct usb_bus *host) pxa310_otg_transceiver_rtsm(); - err = otg_init(u2d->otg); + err = usb_phy_init(u2d->otg); if (err) { pr_err("OTG transceiver init failed"); return err; } - err = otg_set_vbus(u2d->otg, 1); + err = otg_set_vbus(u2d->otg->otg, 1); if (err) { pr_err("OTG transceiver VBUS set failed"); return err; } - err = otg_set_host(u2d->otg, host); + err = otg_set_host(u2d->otg->otg, host); if (err) pr_err("OTG transceiver Host mode set failed"); @@ -189,9 +189,9 @@ static void pxa310_stop_otg_hc(void) { pxa310_otg_transceiver_rtsm(); - otg_set_host(u2d->otg, NULL); - otg_set_vbus(u2d->otg, 0); - otg_shutdown(u2d->otg); + otg_set_host(u2d->otg->otg, NULL); + otg_set_vbus(u2d->otg->otg, 0); + usb_phy_shutdown(u2d->otg); } static void pxa310_u2d_setup_otg_hc(void) diff --git a/arch/arm/mach-tegra/include/mach/usb_phy.h b/arch/arm/mach-tegra/include/mach/usb_phy.h index d4b8f9e298a..de1a0f602b2 100644 --- a/arch/arm/mach-tegra/include/mach/usb_phy.h +++ b/arch/arm/mach-tegra/include/mach/usb_phy.h @@ -58,7 +58,7 @@ struct tegra_usb_phy { struct clk *pad_clk; enum tegra_usb_phy_mode mode; void *config; - struct otg_transceiver *ulpi; + struct usb_phy *ulpi; }; struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs, diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c index 37576a721ae..ad321f9e2bb 100644 --- a/arch/arm/mach-tegra/usb_phy.c +++ b/arch/arm/mach-tegra/usb_phy.c @@ -608,13 +608,13 @@ static int ulpi_phy_power_on(struct tegra_usb_phy *phy) writel(val, base + ULPI_TIMING_CTRL_1); /* Fix VbusInvalid due to floating VBUS */ - ret = otg_io_write(phy->ulpi, 0x40, 0x08); + ret = usb_phy_io_write(phy->ulpi, 0x40, 0x08); if (ret) { pr_err("%s: ulpi write failed\n", __func__); return ret; } - ret = otg_io_write(phy->ulpi, 0x80, 0x0B); + ret = usb_phy_io_write(phy->ulpi, 0x80, 0x0B); if (ret) { pr_err("%s: ulpi write failed\n", __func__); return ret; diff --git a/arch/arm/plat-mxc/include/mach/mxc_ehci.h b/arch/arm/plat-mxc/include/mach/mxc_ehci.h index 2c159dc2398..9ffd1bbe615 100644 --- a/arch/arm/plat-mxc/include/mach/mxc_ehci.h +++ b/arch/arm/plat-mxc/include/mach/mxc_ehci.h @@ -44,7 +44,7 @@ struct mxc_usbh_platform_data { int (*exit)(struct platform_device *pdev); unsigned int portsc; - struct otg_transceiver *otg; + struct usb_phy *otg; }; int mx51_initialize_usb_hw(int port, unsigned int flags); diff --git a/arch/arm/plat-mxc/include/mach/ulpi.h b/arch/arm/plat-mxc/include/mach/ulpi.h index f9161c96d7b..42bdaca6d7d 100644 --- a/arch/arm/plat-mxc/include/mach/ulpi.h +++ b/arch/arm/plat-mxc/include/mach/ulpi.h @@ -2,15 +2,15 @@ #define __MACH_ULPI_H #ifdef CONFIG_USB_ULPI -struct otg_transceiver *imx_otg_ulpi_create(unsigned int flags); +struct usb_phy *imx_otg_ulpi_create(unsigned int flags); #else -static inline struct otg_transceiver *imx_otg_ulpi_create(unsigned int flags) +static inline struct usb_phy *imx_otg_ulpi_create(unsigned int flags) { return NULL; } #endif -extern struct otg_io_access_ops mxc_ulpi_access_ops; +extern struct usb_phy_io_ops mxc_ulpi_access_ops; #endif /* __MACH_ULPI_H */ diff --git a/arch/arm/plat-mxc/ulpi.c b/arch/arm/plat-mxc/ulpi.c index 477e45bea1b..d2963427184 100644 --- a/arch/arm/plat-mxc/ulpi.c +++ b/arch/arm/plat-mxc/ulpi.c @@ -58,7 +58,7 @@ static int ulpi_poll(void __iomem *view, u32 bit) return -ETIMEDOUT; } -static int ulpi_read(struct otg_transceiver *otg, u32 reg) +static int ulpi_read(struct usb_phy *otg, u32 reg) { int ret; void __iomem *view = otg->io_priv; @@ -84,7 +84,7 @@ static int ulpi_read(struct otg_transceiver *otg, u32 reg) return (__raw_readl(view) >> ULPIVW_RDATA_SHIFT) & ULPIVW_RDATA_MASK; } -static int ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg) +static int ulpi_write(struct usb_phy *otg, u32 val, u32 reg) { int ret; void __iomem *view = otg->io_priv; @@ -106,13 +106,13 @@ static int ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg) return ulpi_poll(view, ULPIVW_RUN); } -struct otg_io_access_ops mxc_ulpi_access_ops = { +struct usb_phy_io_ops mxc_ulpi_access_ops = { .read = ulpi_read, .write = ulpi_write, }; EXPORT_SYMBOL_GPL(mxc_ulpi_access_ops); -struct otg_transceiver *imx_otg_ulpi_create(unsigned int flags) +struct usb_phy *imx_otg_ulpi_create(unsigned int flags) { return otg_ulpi_create(&mxc_ulpi_access_ops, flags); } diff --git a/arch/mips/ath79/dev-usb.c b/arch/mips/ath79/dev-usb.c index 002d6d2afe0..36e9570e7bc 100644 --- a/arch/mips/ath79/dev-usb.c +++ b/arch/mips/ath79/dev-usb.c @@ -17,6 +17,8 @@ #include <linux/irq.h> #include <linux/dma-mapping.h> #include <linux/platform_device.h> +#include <linux/usb/ehci_pdriver.h> +#include <linux/usb/ohci_pdriver.h> #include <asm/mach-ath79/ath79.h> #include <asm/mach-ath79/ar71xx_regs.h> @@ -36,14 +38,19 @@ static struct resource ath79_ohci_resources[] = { }; static u64 ath79_ohci_dmamask = DMA_BIT_MASK(32); + +static struct usb_ohci_pdata ath79_ohci_pdata = { +}; + static struct platform_device ath79_ohci_device = { - .name = "ath79-ohci", + .name = "ohci-platform", .id = -1, .resource = ath79_ohci_resources, .num_resources = ARRAY_SIZE(ath79_ohci_resources), .dev = { .dma_mask = &ath79_ohci_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &ath79_ohci_pdata, }, }; @@ -60,8 +67,20 @@ static struct resource ath79_ehci_resources[] = { }; static u64 ath79_ehci_dmamask = DMA_BIT_MASK(32); + +static struct usb_ehci_pdata ath79_ehci_pdata_v1 = { + .has_synopsys_hc_bug = 1, + .port_power_off = 1, +}; + +static struct usb_ehci_pdata ath79_ehci_pdata_v2 = { + .caps_offset = 0x100, + .has_tt = 1, + .port_power_off = 1, +}; + static struct platform_device ath79_ehci_device = { - .name = "ath79-ehci", + .name = "ehci-platform", .id = -1, .resource = ath79_ehci_resources, .num_resources = ARRAY_SIZE(ath79_ehci_resources), @@ -101,7 +120,7 @@ static void __init ath79_usb_setup(void) ath79_ehci_resources[0].start = AR71XX_EHCI_BASE; ath79_ehci_resources[0].end = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1; - ath79_ehci_device.name = "ar71xx-ehci"; + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v1; platform_device_register(&ath79_ehci_device); } @@ -142,7 +161,7 @@ static void __init ar724x_usb_setup(void) ath79_ehci_resources[0].start = AR724X_EHCI_BASE; ath79_ehci_resources[0].end = AR724X_EHCI_BASE + AR724X_EHCI_SIZE - 1; - ath79_ehci_device.name = "ar724x-ehci"; + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2; platform_device_register(&ath79_ehci_device); } @@ -159,7 +178,7 @@ static void __init ar913x_usb_setup(void) ath79_ehci_resources[0].start = AR913X_EHCI_BASE; ath79_ehci_resources[0].end = AR913X_EHCI_BASE + AR913X_EHCI_SIZE - 1; - ath79_ehci_device.name = "ar913x-ehci"; + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2; platform_device_register(&ath79_ehci_device); } @@ -176,7 +195,7 @@ static void __init ar933x_usb_setup(void) ath79_ehci_resources[0].start = AR933X_EHCI_BASE; ath79_ehci_resources[0].end = AR933X_EHCI_BASE + AR933X_EHCI_SIZE - 1; - ath79_ehci_device.name = "ar933x-ehci"; + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2; platform_device_register(&ath79_ehci_device); } diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 4e4c8a4a5fd..a796407123c 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -354,7 +354,7 @@ config BLK_DEV_SX8 Use devices /dev/sx8/$N and /dev/sx8/$Np$M. config BLK_DEV_UB - tristate "Low Performance USB Block driver" + tristate "Low Performance USB Block driver (deprecated)" depends on USB help This driver supports certain USB attached storage devices diff --git a/drivers/block/ub.c b/drivers/block/ub.c index 7333b9e4441..fcec0225ac7 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -119,43 +119,6 @@ /* */ - -/* command block wrapper */ -struct bulk_cb_wrap { - __le32 Signature; /* contains 'USBC' */ - u32 Tag; /* unique per command id */ - __le32 DataTransferLength; /* size of data */ - u8 Flags; /* direction in bit 0 */ - u8 Lun; /* LUN */ - u8 Length; /* of of the CDB */ - u8 CDB[UB_MAX_CDB_SIZE]; /* max command */ -}; - -#define US_BULK_CB_WRAP_LEN 31 -#define US_BULK_CB_SIGN 0x43425355 /*spells out USBC */ -#define US_BULK_FLAG_IN 1 -#define US_BULK_FLAG_OUT 0 - -/* command status wrapper */ -struct bulk_cs_wrap { - __le32 Signature; /* should = 'USBS' */ - u32 Tag; /* same as original command */ - __le32 Residue; /* amount not transferred */ - u8 Status; /* see below */ -}; - -#define US_BULK_CS_WRAP_LEN 13 -#define US_BULK_CS_SIGN 0x53425355 /* spells out 'USBS' */ -#define US_BULK_STAT_OK 0 -#define US_BULK_STAT_FAIL 1 -#define US_BULK_STAT_PHASE 2 - -/* bulk-only class specific requests */ -#define US_BULK_RESET_REQUEST 0xff -#define US_BULK_GET_MAX_LUN 0xfe - -/* - */ struct ub_dev; #define UB_MAX_REQ_SG 9 /* cdrecord requires 32KB and maybe a header */ @@ -2477,6 +2440,8 @@ static int __init ub_init(void) int rc; int i; + pr_info("'Low Performance USB Block' driver is deprecated. " + "Please switch to usb-storage\n"); for (i = 0; i < UB_QLOCK_NUM; i++) spin_lock_init(&ub_qlockv[i]); diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 23357612793..4bad899fb38 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -398,6 +398,27 @@ config USB_NET_KALMIA To compile this driver as a module, choose M here: the module will be called kalmia. +config USB_NET_QMI_WWAN + tristate "QMI WWAN driver for Qualcomm MSM based 3G and LTE modems" + depends on USB_USBNET + help + Support WWAN LTE/3G devices based on Qualcomm Mobile Data Modem + (MDM) chipsets. Examples of such devices are + * Huawei E392/E398 + + This driver will only drive the ethernet part of the chips. + The devices require additional configuration to be usable. + Multiple management interfaces with linux drivers are + available: + + * option: AT commands on /dev/ttyUSBx + * cdc-wdm: Qualcomm MSM Interface (QMI) protocol on /dev/cdc-wdmx + + A modem manager with support for QMI is recommended. + + To compile this driver as a module, choose M here: the + module will be called qmi_wwan. + config USB_HSO tristate "Option USB High Speed Mobile Devices" depends on USB && RFKILL @@ -461,4 +482,5 @@ config USB_VL600 http://ubuntuforums.org/showpost.php?p=10589647&postcount=17 + endmenu diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index c203fa21f6b..a2e2d72c52a 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -29,4 +29,5 @@ obj-$(CONFIG_USB_SIERRA_NET) += sierra_net.o obj-$(CONFIG_USB_NET_CX82310_ETH) += cx82310_eth.o obj-$(CONFIG_USB_NET_CDC_NCM) += cdc_ncm.o obj-$(CONFIG_USB_VL600) += lg-vl600.o +obj-$(CONFIG_USB_NET_QMI_WWAN) += qmi_wwan.o diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c new file mode 100644 index 00000000000..aac68f5195c --- /dev/null +++ b/drivers/net/usb/qmi_wwan.c @@ -0,0 +1,478 @@ +/* + * Copyright (c) 2012 Bjørn Mork <bjorn@mork.no> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/usb/cdc.h> +#include <linux/usb/usbnet.h> +#include <linux/usb/cdc-wdm.h> + +/* The name of the CDC Device Management driver */ +#define DM_DRIVER "cdc_wdm" + +/* + * This driver supports wwan (3G/LTE/?) devices using a vendor + * specific management protocol called Qualcomm MSM Interface (QMI) - + * in addition to the more common AT commands over serial interface + * management + * + * QMI is wrapped in CDC, using CDC encapsulated commands on the + * control ("master") interface of a two-interface CDC Union + * resembling standard CDC ECM. The devices do not use the control + * interface for any other CDC messages. Most likely because the + * management protocol is used in place of the standard CDC + * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE + * + * Handling a protocol like QMI is out of the scope for any driver. + * It can be exported as a character device using the cdc-wdm driver, + * which will enable userspace applications ("modem managers") to + * handle it. This may be required to use the network interface + * provided by the driver. + * + * These devices may alternatively/additionally be configured using AT + * commands on any of the serial interfaces driven by the option driver + * + * This driver binds only to the data ("slave") interface to enable + * the cdc-wdm driver to bind to the control interface. It still + * parses the CDC functional descriptors on the control interface to + * a) verify that this is indeed a handled interface (CDC Union + * header lists it as slave) + * b) get MAC address and other ethernet config from the CDC Ethernet + * header + * c) enable user bind requests against the control interface, which + * is the common way to bind to CDC Ethernet Control Model type + * interfaces + * d) provide a hint to the user about which interface is the + * corresponding management interface + */ + +static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) +{ + int status = -1; + struct usb_interface *control = NULL; + u8 *buf = intf->cur_altsetting->extra; + int len = intf->cur_altsetting->extralen; + struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; + struct usb_cdc_union_desc *cdc_union = NULL; + struct usb_cdc_ether_desc *cdc_ether = NULL; + u32 required = 1 << USB_CDC_HEADER_TYPE | 1 << USB_CDC_UNION_TYPE; + u32 found = 0; + atomic_t *pmcount = (void *)&dev->data[1]; + + atomic_set(pmcount, 0); + + /* + * assume a data interface has no additional descriptors and + * that the control and data interface are numbered + * consecutively - this holds for the Huawei device at least + */ + if (len == 0 && desc->bInterfaceNumber > 0) { + control = usb_ifnum_to_if(dev->udev, desc->bInterfaceNumber - 1); + if (!control) + goto err; + + buf = control->cur_altsetting->extra; + len = control->cur_altsetting->extralen; + dev_dbg(&intf->dev, "guessing \"control\" => %s, \"data\" => this\n", + dev_name(&control->dev)); + } + + while (len > 3) { + struct usb_descriptor_header *h = (void *)buf; + + /* ignore any misplaced descriptors */ + if (h->bDescriptorType != USB_DT_CS_INTERFACE) + goto next_desc; + + /* buf[2] is CDC descriptor subtype */ + switch (buf[2]) { + case USB_CDC_HEADER_TYPE: + if (found & 1 << USB_CDC_HEADER_TYPE) { + dev_dbg(&intf->dev, "extra CDC header\n"); + goto err; + } + if (h->bLength != sizeof(struct usb_cdc_header_desc)) { + dev_dbg(&intf->dev, "CDC header len %u\n", h->bLength); + goto err; + } + break; + case USB_CDC_UNION_TYPE: + if (found & 1 << USB_CDC_UNION_TYPE) { + dev_dbg(&intf->dev, "extra CDC union\n"); + goto err; + } + if (h->bLength != sizeof(struct usb_cdc_union_desc)) { + dev_dbg(&intf->dev, "CDC union len %u\n", h->bLength); + goto err; + } + cdc_union = (struct usb_cdc_union_desc *)buf; + break; + case USB_CDC_ETHERNET_TYPE: + if (found & 1 << USB_CDC_ETHERNET_TYPE) { + dev_dbg(&intf->dev, "extra CDC ether\n"); + goto err; + } + if (h->bLength != sizeof(struct usb_cdc_ether_desc)) { + dev_dbg(&intf->dev, "CDC ether len %u\n", h->bLength); + goto err; + } + cdc_ether = (struct usb_cdc_ether_desc *)buf; + break; + } + + /* + * Remember which CDC functional descriptors we've seen. Works + * for all types we care about, of which USB_CDC_ETHERNET_TYPE + * (0x0f) is the highest numbered + */ + if (buf[2] < 32) + found |= 1 << buf[2]; + +next_desc: + len -= h->bLength; + buf += h->bLength; + } + + /* did we find all the required ones? */ + if ((found & required) != required) { + dev_err(&intf->dev, "CDC functional descriptors missing\n"); + goto err; + } + + /* give the user a helpful hint if trying to bind to the wrong interface */ + if (cdc_union && desc->bInterfaceNumber == cdc_union->bMasterInterface0) { + dev_err(&intf->dev, "leaving \"control\" interface for " DM_DRIVER " - try binding to %s instead!\n", + dev_name(&usb_ifnum_to_if(dev->udev, cdc_union->bSlaveInterface0)->dev)); + goto err; + } + + /* errors aren't fatal - we can live with the dynamic address */ + if (cdc_ether) { + dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); + usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); + } + + /* success! point the user to the management interface */ + if (control) + dev_info(&intf->dev, "Use \"" DM_DRIVER "\" for QMI interface %s\n", + dev_name(&control->dev)); + + /* XXX: add a sysfs symlink somewhere to help management applications find it? */ + + /* collect bulk endpoints now that we know intf == "data" interface */ + status = usbnet_get_endpoints(dev, intf); + +err: + return status; +} + +/* using a counter to merge subdriver requests with our own into a combined state */ +static int qmi_wwan_manage_power(struct usbnet *dev, int on) +{ + atomic_t *pmcount = (void *)&dev->data[1]; + int rv = 0; + + dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, atomic_read(pmcount), on); + + if ((on && atomic_add_return(1, pmcount) == 1) || (!on && atomic_dec_and_test(pmcount))) { + /* need autopm_get/put here to ensure the usbcore sees the new value */ + rv = usb_autopm_get_interface(dev->intf); + if (rv < 0) + goto err; + dev->intf->needs_remote_wakeup = on; + usb_autopm_put_interface(dev->intf); + } +err: + return rv; +} + +static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) +{ + struct usbnet *dev = usb_get_intfdata(intf); + return qmi_wwan_manage_power(dev, on); +} + +/* Some devices combine the "control" and "data" functions into a + * single interface with all three endpoints: interrupt + bulk in and + * out + * + * Setting up cdc-wdm as a subdriver owning the interrupt endpoint + * will let it provide userspace access to the encapsulated QMI + * protocol without interfering with the usbnet operations. + */ +static int qmi_wwan_bind_shared(struct usbnet *dev, struct usb_interface *intf) +{ + int rv; + struct usb_driver *subdriver = NULL; + atomic_t *pmcount = (void *)&dev->data[1]; + + /* ZTE makes devices where the interface descriptors and endpoint + * configurations of two or more interfaces are identical, even + * though the functions are completely different. If set, then + * driver_info->data is a bitmap of acceptable interface numbers + * allowing us to bind to one such interface without binding to + * all of them + */ + if (dev->driver_info->data && + !test_bit(intf->cur_altsetting->desc.bInterfaceNumber, &dev->driver_info->data)) { + dev_info(&intf->dev, "not on our whitelist - ignored"); + rv = -ENODEV; + goto err; + } + + atomic_set(pmcount, 0); + + /* collect all three endpoints */ + rv = usbnet_get_endpoints(dev, intf); + if (rv < 0) + goto err; + + /* require interrupt endpoint for subdriver */ + if (!dev->status) { + rv = -EINVAL; + goto err; + } + + subdriver = usb_cdc_wdm_register(intf, &dev->status->desc, 512, &qmi_wwan_cdc_wdm_manage_power); + if (IS_ERR(subdriver)) { + rv = PTR_ERR(subdriver); + goto err; + } + + /* can't let usbnet use the interrupt endpoint */ + dev->status = NULL; + + /* save subdriver struct for suspend/resume wrappers */ + dev->data[0] = (unsigned long)subdriver; + +err: + return rv; +} + +/* Gobi devices uses identical class/protocol codes for all interfaces regardless + * of function. Some of these are CDC ACM like and have the exact same endpoints + * we are looking for. This leaves two possible strategies for identifying the + * correct interface: + * a) hardcoding interface number, or + * b) use the fact that the wwan interface is the only one lacking additional + * (CDC functional) descriptors + * + * Let's see if we can get away with the generic b) solution. + */ +static int qmi_wwan_bind_gobi(struct usbnet *dev, struct usb_interface *intf) +{ + int rv = -EINVAL; + + /* ignore any interface with additional descriptors */ + if (intf->cur_altsetting->extralen) + goto err; + + rv = qmi_wwan_bind_shared(dev, intf); +err: + return rv; +} + +static void qmi_wwan_unbind_shared(struct usbnet *dev, struct usb_interface *intf) +{ + struct usb_driver *subdriver = (void *)dev->data[0]; + + if (subdriver && subdriver->disconnect) + subdriver->disconnect(intf); + + dev->data[0] = (unsigned long)NULL; +} + +/* suspend/resume wrappers calling both usbnet and the cdc-wdm + * subdriver if present. + * + * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide + * wrappers for those without adding usbnet reset support first. + */ +static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct usbnet *dev = usb_get_intfdata(intf); + struct usb_driver *subdriver = (void *)dev->data[0]; + int ret; + + ret = usbnet_suspend(intf, message); + if (ret < 0) + goto err; + + if (subdriver && subdriver->suspend) + ret = subdriver->suspend(intf, message); + if (ret < 0) + usbnet_resume(intf); +err: + return ret; +} + +static int qmi_wwan_resume(struct usb_interface *intf) +{ + struct usbnet *dev = usb_get_intfdata(intf); + struct usb_driver *subdriver = (void *)dev->data[0]; + int ret = 0; + + if (subdriver && subdriver->resume) + ret = subdriver->resume(intf); + if (ret < 0) + goto err; + ret = usbnet_resume(intf); + if (ret < 0 && subdriver && subdriver->resume && subdriver->suspend) + subdriver->suspend(intf, PMSG_SUSPEND); +err: + return ret; +} + + +static const struct driver_info qmi_wwan_info = { + .description = "QMI speaking wwan device", + .flags = FLAG_WWAN, + .bind = qmi_wwan_bind, + .manage_power = qmi_wwan_manage_power, +}; + +static const struct driver_info qmi_wwan_shared = { + .description = "QMI speaking wwan device with combined interface", + .flags = FLAG_WWAN, + .bind = qmi_wwan_bind_shared, + .unbind = qmi_wwan_unbind_shared, + .manage_power = qmi_wwan_manage_power, +}; + +static const struct driver_info qmi_wwan_gobi = { + .description = "Qualcomm Gobi wwan/QMI device", + .flags = FLAG_WWAN, + .bind = qmi_wwan_bind_gobi, + .unbind = qmi_wwan_unbind_shared, + .manage_power = qmi_wwan_manage_power, +}; + +/* ZTE suck at making USB descriptors */ +static const struct driver_info qmi_wwan_force_int4 = { + .description = "Qualcomm Gobi wwan/QMI device", + .flags = FLAG_WWAN, + .bind = qmi_wwan_bind_gobi, + .unbind = qmi_wwan_unbind_shared, + .manage_power = qmi_wwan_manage_power, + .data = BIT(4), /* interface whitelist bitmap */ +}; + + +#define HUAWEI_VENDOR_ID 0x12D1 +#define QMI_GOBI_DEVICE(vend, prod) \ + USB_DEVICE(vend, prod), \ + .driver_info = (unsigned long)&qmi_wwan_gobi + +static const struct usb_device_id products[] = { + { /* Huawei E392, E398 and possibly others sharing both device id and more... */ + .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = HUAWEI_VENDOR_ID, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 8, /* NOTE: This is the *slave* interface of the CDC Union! */ + .driver_info = (unsigned long)&qmi_wwan_info, + }, + { /* Huawei E392, E398 and possibly others in "Windows mode" + * using a combined control and data interface without any CDC + * functional descriptors + */ + .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = HUAWEI_VENDOR_ID, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 17, + .driver_info = (unsigned long)&qmi_wwan_shared, + }, + { /* Pantech UML290 */ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x106c, + .idProduct = 0x3718, + .bInterfaceClass = 0xff, + .bInterfaceSubClass = 0xf0, + .bInterfaceProtocol = 0xff, + .driver_info = (unsigned long)&qmi_wwan_shared, + }, + { /* ZTE MF820D */ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x19d2, + .idProduct = 0x0167, + .bInterfaceClass = 0xff, + .bInterfaceSubClass = 0xff, + .bInterfaceProtocol = 0xff, + .driver_info = (unsigned long)&qmi_wwan_force_int4, + }, + {QMI_GOBI_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ + {QMI_GOBI_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ + {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ + {QMI_GOBI_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ + {QMI_GOBI_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ + {QMI_GOBI_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ + {QMI_GOBI_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ + {QMI_GOBI_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ + {QMI_GOBI_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ + {QMI_GOBI_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ + {QMI_GOBI_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ + {QMI_GOBI_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ + {QMI_GOBI_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ + {QMI_GOBI_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ + {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ + {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ + {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ + {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ + {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ + {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ + {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ + {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ + {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ + {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ + {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ + {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ + {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ + {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ + { } /* END */ +}; +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver qmi_wwan_driver = { + .name = "qmi_wwan", + .id_table = products, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = qmi_wwan_suspend, + .resume = qmi_wwan_resume, + .reset_resume = qmi_wwan_resume, + .supports_autosuspend = 1, +}; + +static int __init qmi_wwan_init(void) +{ + return usb_register(&qmi_wwan_driver); +} +module_init(qmi_wwan_init); + +static void __exit qmi_wwan_exit(void) +{ + usb_deregister(&qmi_wwan_driver); +} +module_exit(qmi_wwan_exit); + +MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); +MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/isp1704_charger.c b/drivers/power/isp1704_charger.c index b806667b59a..1289a5f790a 100644 --- a/drivers/power/isp1704_charger.c +++ b/drivers/power/isp1704_charger.c @@ -56,7 +56,7 @@ static u16 isp170x_id[] = { struct isp1704_charger { struct device *dev; struct power_supply psy; - struct otg_transceiver *otg; + struct usb_phy *phy; struct notifier_block nb; struct work_struct work; @@ -71,6 +71,16 @@ struct isp1704_charger { unsigned max_power; }; +static inline int isp1704_read(struct isp1704_charger *isp, u32 reg) +{ + return usb_phy_io_read(isp->phy, reg); +} + +static inline int isp1704_write(struct isp1704_charger *isp, u32 val, u32 reg) +{ + return usb_phy_io_write(isp->phy, val, reg); +} + /* * Disable/enable the power from the isp1704 if a function for it * has been provided with platform data. @@ -97,31 +107,31 @@ static inline int isp1704_charger_type(struct isp1704_charger *isp) u8 otg_ctrl; int type = POWER_SUPPLY_TYPE_USB_DCP; - func_ctrl = otg_io_read(isp->otg, ULPI_FUNC_CTRL); - otg_ctrl = otg_io_read(isp->otg, ULPI_OTG_CTRL); + func_ctrl = isp1704_read(isp, ULPI_FUNC_CTRL); + otg_ctrl = isp1704_read(isp, ULPI_OTG_CTRL); /* disable pulldowns */ reg = ULPI_OTG_CTRL_DM_PULLDOWN | ULPI_OTG_CTRL_DP_PULLDOWN; - otg_io_write(isp->otg, ULPI_CLR(ULPI_OTG_CTRL), reg); + isp1704_write(isp, ULPI_CLR(ULPI_OTG_CTRL), reg); /* full speed */ - otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL), + isp1704_write(isp, ULPI_CLR(ULPI_FUNC_CTRL), ULPI_FUNC_CTRL_XCVRSEL_MASK); - otg_io_write(isp->otg, ULPI_SET(ULPI_FUNC_CTRL), + isp1704_write(isp, ULPI_SET(ULPI_FUNC_CTRL), ULPI_FUNC_CTRL_FULL_SPEED); /* Enable strong pull-up on DP (1.5K) and reset */ reg = ULPI_FUNC_CTRL_TERMSELECT | ULPI_FUNC_CTRL_RESET; - otg_io_write(isp->otg, ULPI_SET(ULPI_FUNC_CTRL), reg); + isp1704_write(isp, ULPI_SET(ULPI_FUNC_CTRL), reg); usleep_range(1000, 2000); - reg = otg_io_read(isp->otg, ULPI_DEBUG); + reg = isp1704_read(isp, ULPI_DEBUG); if ((reg & 3) != 3) type = POWER_SUPPLY_TYPE_USB_CDP; /* recover original state */ - otg_io_write(isp->otg, ULPI_FUNC_CTRL, func_ctrl); - otg_io_write(isp->otg, ULPI_OTG_CTRL, otg_ctrl); + isp1704_write(isp, ULPI_FUNC_CTRL, func_ctrl); + isp1704_write(isp, ULPI_OTG_CTRL, otg_ctrl); return type; } @@ -136,28 +146,28 @@ static inline int isp1704_charger_verify(struct isp1704_charger *isp) u8 r; /* Reset the transceiver */ - r = otg_io_read(isp->otg, ULPI_FUNC_CTRL); + r = isp1704_read(isp, ULPI_FUNC_CTRL); r |= ULPI_FUNC_CTRL_RESET; - otg_io_write(isp->otg, ULPI_FUNC_CTRL, r); + isp1704_write(isp, ULPI_FUNC_CTRL, r); usleep_range(1000, 2000); /* Set normal mode */ r &= ~(ULPI_FUNC_CTRL_RESET | ULPI_FUNC_CTRL_OPMODE_MASK); - otg_io_write(isp->otg, ULPI_FUNC_CTRL, r); + isp1704_write(isp, ULPI_FUNC_CTRL, r); /* Clear the DP and DM pull-down bits */ r = ULPI_OTG_CTRL_DP_PULLDOWN | ULPI_OTG_CTRL_DM_PULLDOWN; - otg_io_write(isp->otg, ULPI_CLR(ULPI_OTG_CTRL), r); + isp1704_write(isp, ULPI_CLR(ULPI_OTG_CTRL), r); /* Enable strong pull-up on DP (1.5K) and reset */ r = ULPI_FUNC_CTRL_TERMSELECT | ULPI_FUNC_CTRL_RESET; - otg_io_write(isp->otg, ULPI_SET(ULPI_FUNC_CTRL), r); + isp1704_write(isp, ULPI_SET(ULPI_FUNC_CTRL), r); usleep_range(1000, 2000); /* Read the line state */ - if (!otg_io_read(isp->otg, ULPI_DEBUG)) { + if (!isp1704_read(isp, ULPI_DEBUG)) { /* Disable strong pull-up on DP (1.5K) */ - otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL), + isp1704_write(isp, ULPI_CLR(ULPI_FUNC_CTRL), ULPI_FUNC_CTRL_TERMSELECT); return 1; } @@ -165,23 +175,23 @@ static inline int isp1704_charger_verify(struct isp1704_charger *isp) /* Is it a charger or PS/2 connection */ /* Enable weak pull-up resistor on DP */ - otg_io_write(isp->otg, ULPI_SET(ISP1704_PWR_CTRL), + isp1704_write(isp, ULPI_SET(ISP1704_PWR_CTRL), ISP1704_PWR_CTRL_DP_WKPU_EN); /* Disable strong pull-up on DP (1.5K) */ - otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL), + isp1704_write(isp, ULPI_CLR(ULPI_FUNC_CTRL), ULPI_FUNC_CTRL_TERMSELECT); /* Enable weak pull-down resistor on DM */ - otg_io_write(isp->otg, ULPI_SET(ULPI_OTG_CTRL), + isp1704_write(isp, ULPI_SET(ULPI_OTG_CTRL), ULPI_OTG_CTRL_DM_PULLDOWN); /* It's a charger if the line states are clear */ - if (!(otg_io_read(isp->otg, ULPI_DEBUG))) + if (!(isp1704_read(isp, ULPI_DEBUG))) ret = 1; /* Disable weak pull-up resistor on DP */ - otg_io_write(isp->otg, ULPI_CLR(ISP1704_PWR_CTRL), + isp1704_write(isp, ULPI_CLR(ISP1704_PWR_CTRL), ISP1704_PWR_CTRL_DP_WKPU_EN); return ret; @@ -193,14 +203,14 @@ static inline int isp1704_charger_detect(struct isp1704_charger *isp) u8 pwr_ctrl; int ret = 0; - pwr_ctrl = otg_io_read(isp->otg, ISP1704_PWR_CTRL); + pwr_ctrl = isp1704_read(isp, ISP1704_PWR_CTRL); /* set SW control bit in PWR_CTRL register */ - otg_io_write(isp->otg, ISP1704_PWR_CTRL, + isp1704_write(isp, ISP1704_PWR_CTRL, ISP1704_PWR_CTRL_SWCTRL); /* enable manual charger detection */ - otg_io_write(isp->otg, ULPI_SET(ISP1704_PWR_CTRL), + isp1704_write(isp, ULPI_SET(ISP1704_PWR_CTRL), ISP1704_PWR_CTRL_SWCTRL | ISP1704_PWR_CTRL_DPVSRC_EN); usleep_range(1000, 2000); @@ -208,7 +218,7 @@ static inline int isp1704_charger_detect(struct isp1704_charger *isp) timeout = jiffies + msecs_to_jiffies(300); do { /* Check if there is a charger */ - if (otg_io_read(isp->otg, ISP1704_PWR_CTRL) + if (isp1704_read(isp, ISP1704_PWR_CTRL) & ISP1704_PWR_CTRL_VDAT_DET) { ret = isp1704_charger_verify(isp); break; @@ -216,7 +226,7 @@ static inline int isp1704_charger_detect(struct isp1704_charger *isp) } while (!time_after(jiffies, timeout) && isp->online); /* recover original state */ - otg_io_write(isp->otg, ISP1704_PWR_CTRL, pwr_ctrl); + isp1704_write(isp, ISP1704_PWR_CTRL, pwr_ctrl); return ret; } @@ -264,8 +274,8 @@ static void isp1704_charger_work(struct work_struct *data) case POWER_SUPPLY_TYPE_USB: default: /* enable data pullups */ - if (isp->otg->gadget) - usb_gadget_connect(isp->otg->gadget); + if (isp->phy->otg->gadget) + usb_gadget_connect(isp->phy->otg->gadget); } break; case USB_EVENT_NONE: @@ -283,8 +293,8 @@ static void isp1704_charger_work(struct work_struct *data) * chargers. The pullups may be enabled elsewhere, so this can * not be the final solution. */ - if (isp->otg->gadget) - usb_gadget_disconnect(isp->otg->gadget); + if (isp->phy->otg->gadget) + usb_gadget_disconnect(isp->phy->otg->gadget); isp1704_charger_set_power(isp, 0); break; @@ -364,11 +374,11 @@ static inline int isp1704_test_ulpi(struct isp1704_charger *isp) int ret = -ENODEV; /* Test ULPI interface */ - ret = otg_io_write(isp->otg, ULPI_SCRATCH, 0xaa); + ret = isp1704_write(isp, ULPI_SCRATCH, 0xaa); if (ret < 0) return ret; - ret = otg_io_read(isp->otg, ULPI_SCRATCH); + ret = isp1704_read(isp, ULPI_SCRATCH); if (ret < 0) return ret; @@ -376,13 +386,13 @@ static inline int isp1704_test_ulpi(struct isp1704_charger *isp) return -ENODEV; /* Verify the product and vendor id matches */ - vendor = otg_io_read(isp->otg, ULPI_VENDOR_ID_LOW); - vendor |= otg_io_read(isp->otg, ULPI_VENDOR_ID_HIGH) << 8; + vendor = isp1704_read(isp, ULPI_VENDOR_ID_LOW); + vendor |= isp1704_read(isp, ULPI_VENDOR_ID_HIGH) << 8; if (vendor != NXP_VENDOR_ID) return -ENODEV; - product = otg_io_read(isp->otg, ULPI_PRODUCT_ID_LOW); - product |= otg_io_read(isp->otg, ULPI_PRODUCT_ID_HIGH) << 8; + product = isp1704_read(isp, ULPI_PRODUCT_ID_LOW); + product |= isp1704_read(isp, ULPI_PRODUCT_ID_HIGH) << 8; for (i = 0; i < ARRAY_SIZE(isp170x_id); i++) { if (product == isp170x_id[i]) { @@ -405,8 +415,8 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev) if (!isp) return -ENOMEM; - isp->otg = otg_get_transceiver(); - if (!isp->otg) + isp->phy = usb_get_transceiver(); + if (!isp->phy) goto fail0; isp->dev = &pdev->dev; @@ -429,14 +439,14 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev) goto fail1; /* - * REVISIT: using work in order to allow the otg notifications to be + * REVISIT: using work in order to allow the usb notifications to be * made atomically in the future. */ INIT_WORK(&isp->work, isp1704_charger_work); isp->nb.notifier_call = isp1704_notifier_call; - ret = otg_register_notifier(isp->otg, &isp->nb); + ret = usb_register_notifier(isp->phy, &isp->nb); if (ret) goto fail2; @@ -449,13 +459,13 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev) * enumerated. The charger driver should be always loaded before any * gadget is loaded. */ - if (isp->otg->gadget) - usb_gadget_disconnect(isp->otg->gadget); + if (isp->phy->otg->gadget) + usb_gadget_disconnect(isp->phy->otg->gadget); /* Detect charger if VBUS is valid (the cable was already plugged). */ - ret = otg_io_read(isp->otg, ULPI_USB_INT_STS); + ret = isp1704_read(isp, ULPI_USB_INT_STS); isp1704_charger_set_power(isp, 0); - if ((ret & ULPI_INT_VBUS_VALID) && !isp->otg->default_a) { + if ((ret & ULPI_INT_VBUS_VALID) && !isp->phy->otg->default_a) { isp->event = USB_EVENT_VBUS; schedule_work(&isp->work); } @@ -464,7 +474,7 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev) fail2: power_supply_unregister(&isp->psy); fail1: - otg_put_transceiver(isp->otg); + usb_put_transceiver(isp->phy); fail0: kfree(isp); @@ -477,9 +487,9 @@ static int __devexit isp1704_charger_remove(struct platform_device *pdev) { struct isp1704_charger *isp = platform_get_drvdata(pdev); - otg_unregister_notifier(isp->otg, &isp->nb); + usb_unregister_notifier(isp->phy, &isp->nb); power_supply_unregister(&isp->psy); - otg_put_transceiver(isp->otg); + usb_put_transceiver(isp->phy); isp1704_charger_set_power(isp, 0); kfree(isp); diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c index fd49689738a..214468f4444 100644 --- a/drivers/power/pda_power.c +++ b/drivers/power/pda_power.c @@ -40,7 +40,7 @@ static struct timer_list polling_timer; static int polling; #ifdef CONFIG_USB_OTG_UTILS -static struct otg_transceiver *transceiver; +static struct usb_phy *transceiver; static struct notifier_block otg_nb; #endif @@ -321,7 +321,7 @@ static int pda_power_probe(struct platform_device *pdev) } #ifdef CONFIG_USB_OTG_UTILS - transceiver = otg_get_transceiver(); + transceiver = usb_get_transceiver(); if (transceiver && !pdata->is_usb_online) { pdata->is_usb_online = otg_is_usb_online; } @@ -375,7 +375,7 @@ static int pda_power_probe(struct platform_device *pdev) #ifdef CONFIG_USB_OTG_UTILS if (transceiver && pdata->use_otg_notifier) { otg_nb.notifier_call = otg_handle_notification; - ret = otg_register_notifier(transceiver, &otg_nb); + ret = usb_register_notifier(transceiver, &otg_nb); if (ret) { dev_err(dev, "failure to register otg notifier\n"); goto otg_reg_notifier_failed; @@ -409,7 +409,7 @@ usb_supply_failed: free_irq(ac_irq->start, &pda_psy_ac); #ifdef CONFIG_USB_OTG_UTILS if (transceiver) - otg_put_transceiver(transceiver); + usb_put_transceiver(transceiver); #endif ac_irq_failed: if (pdata->is_ac_online) @@ -444,7 +444,7 @@ static int pda_power_remove(struct platform_device *pdev) power_supply_unregister(&pda_psy_ac); #ifdef CONFIG_USB_OTG_UTILS if (transceiver) - otg_put_transceiver(transceiver); + usb_put_transceiver(transceiver); #endif if (ac_draw) { regulator_put(ac_draw); diff --git a/drivers/power/twl4030_charger.c b/drivers/power/twl4030_charger.c index 54b9198fa57..fdad850c77d 100644 --- a/drivers/power/twl4030_charger.c +++ b/drivers/power/twl4030_charger.c @@ -69,8 +69,8 @@ struct twl4030_bci { struct device *dev; struct power_supply ac; struct power_supply usb; - struct otg_transceiver *transceiver; - struct notifier_block otg_nb; + struct usb_phy *transceiver; + struct notifier_block usb_nb; struct work_struct work; int irq_chg; int irq_bci; @@ -279,7 +279,7 @@ static void twl4030_bci_usb_work(struct work_struct *data) static int twl4030_bci_usb_ncb(struct notifier_block *nb, unsigned long val, void *priv) { - struct twl4030_bci *bci = container_of(nb, struct twl4030_bci, otg_nb); + struct twl4030_bci *bci = container_of(nb, struct twl4030_bci, usb_nb); dev_dbg(bci->dev, "OTG notify %lu\n", val); @@ -479,10 +479,10 @@ static int __init twl4030_bci_probe(struct platform_device *pdev) INIT_WORK(&bci->work, twl4030_bci_usb_work); - bci->transceiver = otg_get_transceiver(); + bci->transceiver = usb_get_transceiver(); if (bci->transceiver != NULL) { - bci->otg_nb.notifier_call = twl4030_bci_usb_ncb; - otg_register_notifier(bci->transceiver, &bci->otg_nb); + bci->usb_nb.notifier_call = twl4030_bci_usb_ncb; + usb_register_notifier(bci->transceiver, &bci->usb_nb); } /* Enable interrupts now. */ @@ -508,8 +508,8 @@ static int __init twl4030_bci_probe(struct platform_device *pdev) fail_unmask_interrupts: if (bci->transceiver != NULL) { - otg_unregister_notifier(bci->transceiver, &bci->otg_nb); - otg_put_transceiver(bci->transceiver); + usb_unregister_notifier(bci->transceiver, &bci->usb_nb); + usb_put_transceiver(bci->transceiver); } free_irq(bci->irq_bci, bci); fail_bci_irq: @@ -539,8 +539,8 @@ static int __exit twl4030_bci_remove(struct platform_device *pdev) TWL4030_INTERRUPTS_BCIIMR2A); if (bci->transceiver != NULL) { - otg_unregister_notifier(bci->transceiver, &bci->otg_nb); - otg_put_transceiver(bci->transceiver); + usb_unregister_notifier(bci->transceiver, &bci->usb_nb); + usb_put_transceiver(bci->transceiver); } free_irq(bci->irq_bci, bci); free_irq(bci->irq_chg, bci); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 29c4c048097..01b03744f1f 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1295,6 +1295,7 @@ EXPORT_SYMBOL(int_to_scsilun); * LUNs even if it's older than SCSI-3. * If BLIST_NOREPORTLUN is set, return 1 always. * If BLIST_NOLUN is set, return 0 always. + * If starget->no_report_luns is set, return 1 always. * * Return: * 0: scan completed (or no memory, so further scanning is futile) @@ -1321,6 +1322,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, * Only support SCSI-3 and up devices if BLIST_NOREPORTLUN is not set. * Also allow SCSI-2 if BLIST_REPORTLUN2 is set and host adapter does * support more than 8 LUNs. + * Don't attempt if the target doesn't support REPORT LUNS. */ if (bflags & BLIST_NOREPORTLUN) return 1; @@ -1332,6 +1334,8 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, return 1; if (bflags & BLIST_NOLUN) return 0; + if (starget->no_report_luns) + return 1; if (!(sdev = scsi_device_lookup_by_target(starget, 0))) { sdev = scsi_alloc_sdev(starget, 0, NULL); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index c691fb50e6c..d173b90b25e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2349,7 +2349,7 @@ static int sd_try_extended_inquiry(struct scsi_device *sdp) * some USB ones crash on receiving them, and the pages * we currently ask for are for SPC-3 and beyond */ - if (sdp->scsi_level > SCSI_SPC_2) + if (sdp->scsi_level > SCSI_SPC_2 && !sdp->skip_vpd_pages) return 1; return 0; } diff --git a/drivers/staging/keucr/transport.h b/drivers/staging/keucr/transport.h index 4ae57d0145b..2a11a98375d 100644 --- a/drivers/staging/keucr/transport.h +++ b/drivers/staging/keucr/transport.h @@ -3,43 +3,6 @@ #include <linux/blkdev.h> -/* Bulk only data structures */ - -/* command block wrapper */ -struct bulk_cb_wrap { - __le32 Signature; /* contains 'USBC' */ - __u32 Tag; /* unique per command id */ - __le32 DataTransferLength; /* size of data */ - __u8 Flags; /* direction in bit 0 */ - __u8 Lun; /* LUN normally 0 */ - __u8 Length; /* of of the CDB */ - __u8 CDB[16]; /* max command */ -}; - -#define US_BULK_CB_WRAP_LEN 31 -#define US_BULK_CB_SIGN 0x43425355 /*spells out USBC */ -#define US_BULK_FLAG_IN 1 -#define US_BULK_FLAG_OUT 0 - -/* command status wrapper */ -struct bulk_cs_wrap { - __le32 Signature; /* should = 'USBS' */ - __u32 Tag; /* same as original command */ - __le32 Residue; /* amount not transferred */ - __u8 Status; /* see below */ - __u8 Filler[18]; -}; - -#define US_BULK_CS_WRAP_LEN 13 -#define US_BULK_CS_SIGN 0x53425355 /* spells out 'USBS' */ -#define US_BULK_STAT_OK 0 -#define US_BULK_STAT_FAIL 1 -#define US_BULK_STAT_PHASE 2 - -/* bulk-only class specific requests */ -#define US_BULK_RESET_REQUEST 0xff -#define US_BULK_GET_MAX_LUN 0xfe - /* usb_stor_bulk_transfer_xxx() return codes, in order of severity */ #define USB_STOR_XFER_GOOD 0 /* good transfer */ #define USB_STOR_XFER_SHORT 1 /* transferred less than expected */ diff --git a/drivers/staging/quatech_usb2/quatech_usb2.c b/drivers/staging/quatech_usb2/quatech_usb2.c index 897a3a99c79..bb977e00cc8 100644 --- a/drivers/staging/quatech_usb2/quatech_usb2.c +++ b/drivers/staging/quatech_usb2/quatech_usb2.c @@ -135,7 +135,6 @@ static struct usb_driver quausb2_usb_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = quausb2_id_table, - .no_dynamic_id = 1, }; /** @@ -1942,7 +1941,6 @@ static struct usb_serial_driver quatech2_device = { .name = "quatech_usb2", }, .description = DRIVER_DESC, - .usb_driver = &quausb2_usb_driver, .id_table = quausb2_id_table, .num_ports = 8, .open = qt2_open, @@ -1964,41 +1962,11 @@ static struct usb_serial_driver quatech2_device = { .write_bulk_callback = qt2_write_bulk_callback, }; -static int __init quausb2_usb_init(void) -{ - int retval; - - dbg("%s\n", __func__); - - /* register with usb-serial */ - retval = usb_serial_register(&quatech2_device); - - if (retval) - goto failed_usb_serial_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - /* register with usb */ - - retval = usb_register(&quausb2_usb_driver); - if (retval == 0) - return 0; - - /* if we're here, usb_register() failed */ - usb_serial_deregister(&quatech2_device); -failed_usb_serial_register: - return retval; -} - -static void __exit quausb2_usb_exit(void) -{ - usb_deregister(&quausb2_usb_driver); - usb_serial_deregister(&quatech2_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &quatech2_device, NULL +}; -module_init(quausb2_usb_init); -module_exit(quausb2_usb_exit); +module_usb_serial_driver(quausb2_usb_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c index 1c5780f1571..ae1d815e2a5 100644 --- a/drivers/staging/serqt_usb2/serqt_usb2.c +++ b/drivers/staging/serqt_usb2/serqt_usb2.c @@ -200,7 +200,6 @@ static struct usb_driver serqt_usb_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = serqt_id_table, - .no_dynamic_id = 1, }; static int port_paranoia_check(struct usb_serial_port *port, @@ -1590,7 +1589,6 @@ static struct usb_serial_driver quatech_device = { .name = "serqt", }, .description = DRIVER_DESC, - .usb_driver = &serqt_usb_driver, .id_table = serqt_id_table, .num_ports = 8, .open = qt_open, @@ -1610,41 +1608,11 @@ static struct usb_serial_driver quatech_device = { .release = qt_release, }; -static int __init serqt_usb_init(void) -{ - int retval; - - dbg("%s\n", __func__); - - /* register with usb-serial */ - retval = usb_serial_register(&quatech_device); - - if (retval) - goto failed_usb_serial_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - /* register with usb */ - - retval = usb_register(&serqt_usb_driver); - if (retval == 0) - return 0; - - /* if we're here, usb_register() failed */ - usb_serial_deregister(&quatech_device); -failed_usb_serial_register: - return retval; -} - -static void __exit serqt_usb_exit(void) -{ - usb_deregister(&serqt_usb_driver); - usb_serial_deregister(&quatech_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &quatech_device, NULL +}; -module_init(serqt_usb_init); -module_exit(serqt_usb_exit); +module_usb_serial_driver(serqt_usb_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 75823a1abeb..e4405e08858 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -10,27 +10,6 @@ menuconfig USB_SUPPORT This option adds core support for Universal Serial Bus (USB). You will also need drivers from the following menu to make use of it. -if USB_SUPPORT - -config USB_COMMON - tristate - default y - depends on USB || USB_GADGET - -# Host-side USB depends on having a host controller -# NOTE: dummy_hcd is always an option, but it's ignored here ... -# NOTE: SL-811 option should be board-specific ... -config USB_ARCH_HAS_HCD - boolean - default y if USB_ARCH_HAS_OHCI - default y if USB_ARCH_HAS_EHCI - default y if USB_ARCH_HAS_XHCI - default y if PCMCIA && !M32R # sl811_cs - default y if ARM # SL-811 - default y if BLACKFIN # SL-811 - default y if SUPERH # r8a66597-hcd - default PCI - # many non-PCI SOC chips embed OHCI config USB_ARCH_HAS_OHCI boolean @@ -76,6 +55,7 @@ config USB_ARCH_HAS_EHCI default y if MICROBLAZE default y if SPARC_LEON default y if ARCH_MMP + default y if MACH_LOONGSON1 default PCI # some non-PCI HCDs implement xHCI @@ -83,6 +63,27 @@ config USB_ARCH_HAS_XHCI boolean default PCI +if USB_SUPPORT + +config USB_COMMON + tristate + default y + depends on USB || USB_GADGET + +# Host-side USB depends on having a host controller +# NOTE: dummy_hcd is always an option, but it's ignored here ... +# NOTE: SL-811 option should be board-specific ... +config USB_ARCH_HAS_HCD + boolean + default y if USB_ARCH_HAS_OHCI + default y if USB_ARCH_HAS_EHCI + default y if USB_ARCH_HAS_XHCI + default y if PCMCIA && !M32R # sl811_cs + default y if ARM # SL-811 + default y if BLACKFIN # SL-811 + default y if SUPERH # r8a66597-hcd + default PCI + # ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface. config USB tristate "Support for Host-side USB" diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 6bb8472155c..b32ccb46101 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -39,6 +39,7 @@ #include <linux/serial.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> +#include <linux/serial.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/uaccess.h> @@ -768,10 +769,37 @@ static int acm_tty_tiocmset(struct tty_struct *tty, return acm_set_control(acm, acm->ctrlout = newctrl); } +static int get_serial_info(struct acm *acm, struct serial_struct __user *info) +{ + struct serial_struct tmp; + + if (!info) + return -EINVAL; + + memset(&tmp, 0, sizeof(tmp)); + tmp.flags = ASYNC_LOW_LATENCY; + tmp.xmit_fifo_size = acm->writesize; + tmp.baud_base = le32_to_cpu(acm->line.dwDTERate); + + if (copy_to_user(info, &tmp, sizeof(tmp))) + return -EFAULT; + else + return 0; +} + static int acm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { - return -ENOIOCTLCMD; + struct acm *acm = tty->driver_data; + int rv = -ENOIOCTLCMD; + + switch (cmd) { + case TIOCGSERIAL: /* gets serial port data */ + rv = get_serial_info(acm, (struct serial_struct __user *) arg); + break; + } + + return rv; } static const __u32 acm_tty_speed[] = { diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index d2b3cffca3f..c6f6560d436 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -23,6 +23,7 @@ #include <linux/usb/cdc.h> #include <asm/byteorder.h> #include <asm/unaligned.h> +#include <linux/usb/cdc-wdm.h> /* * Version Information @@ -31,6 +32,8 @@ #define DRIVER_AUTHOR "Oliver Neukum" #define DRIVER_DESC "USB Abstract Control Model driver for USB WCM Device Management" +#define HUAWEI_VENDOR_ID 0x12D1 + static const struct usb_device_id wdm_ids[] = { { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS | @@ -38,6 +41,20 @@ static const struct usb_device_id wdm_ids[] = { .bInterfaceClass = USB_CLASS_COMM, .bInterfaceSubClass = USB_CDC_SUBCLASS_DMM }, + { + /* + * Huawei E392, E398 and possibly other Qualcomm based modems + * embed the Qualcomm QMI protocol inside CDC on CDC ECM like + * control interfaces. Userspace access to this is required + * to configure the accompanying data interface + */ + .match_flags = USB_DEVICE_ID_MATCH_VENDOR | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = HUAWEI_VENDOR_ID, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 9, /* NOTE: CDC ECM control interface! */ + }, { } }; @@ -54,6 +71,7 @@ MODULE_DEVICE_TABLE (usb, wdm_ids); #define WDM_POLL_RUNNING 6 #define WDM_RESPONDING 7 #define WDM_SUSPENDING 8 +#define WDM_RESETTING 9 #define WDM_MAX 16 @@ -61,6 +79,8 @@ MODULE_DEVICE_TABLE (usb, wdm_ids); #define WDM_DEFAULT_BUFSIZE 256 static DEFINE_MUTEX(wdm_mutex); +static DEFINE_SPINLOCK(wdm_device_list_lock); +static LIST_HEAD(wdm_device_list); /* --- method tables --- */ @@ -82,7 +102,6 @@ struct wdm_device { u16 bufsize; u16 wMaxCommand; u16 wMaxPacketSize; - u16 bMaxPacketSize0; __le16 inum; int reslength; int length; @@ -96,10 +115,40 @@ struct wdm_device { struct work_struct rxwork; int werr; int rerr; + + struct list_head device_list; + int (*manage_power)(struct usb_interface *, int); }; static struct usb_driver wdm_driver; +/* return intfdata if we own the interface, else look up intf in the list */ +static struct wdm_device *wdm_find_device(struct usb_interface *intf) +{ + struct wdm_device *desc = NULL; + + spin_lock(&wdm_device_list_lock); + list_for_each_entry(desc, &wdm_device_list, device_list) + if (desc->intf == intf) + break; + spin_unlock(&wdm_device_list_lock); + + return desc; +} + +static struct wdm_device *wdm_find_device_by_minor(int minor) +{ + struct wdm_device *desc = NULL; + + spin_lock(&wdm_device_list_lock); + list_for_each_entry(desc, &wdm_device_list, device_list) + if (desc->intf->minor == minor) + break; + spin_unlock(&wdm_device_list_lock); + + return desc; +} + /* --- callbacks --- */ static void wdm_out_callback(struct urb *urb) { @@ -162,11 +211,9 @@ static void wdm_int_callback(struct urb *urb) int rv = 0; int status = urb->status; struct wdm_device *desc; - struct usb_ctrlrequest *req; struct usb_cdc_notification *dr; desc = urb->context; - req = desc->irq; dr = (struct usb_cdc_notification *)desc->sbuf; if (status) { @@ -213,24 +260,6 @@ static void wdm_int_callback(struct urb *urb) goto exit; } - req->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE); - req->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE; - req->wValue = 0; - req->wIndex = desc->inum; - req->wLength = cpu_to_le16(desc->wMaxCommand); - - usb_fill_control_urb( - desc->response, - interface_to_usbdev(desc->intf), - /* using common endpoint 0 */ - usb_rcvctrlpipe(interface_to_usbdev(desc->intf), 0), - (unsigned char *)req, - desc->inbuf, - desc->wMaxCommand, - wdm_in_callback, - desc - ); - desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; spin_lock(&desc->iuspin); clear_bit(WDM_READ, &desc->flags); set_bit(WDM_RESPONDING, &desc->flags); @@ -279,14 +308,11 @@ static void free_urbs(struct wdm_device *desc) static void cleanup(struct wdm_device *desc) { - usb_free_coherent(interface_to_usbdev(desc->intf), - desc->wMaxPacketSize, - desc->sbuf, - desc->validity->transfer_dma); - usb_free_coherent(interface_to_usbdev(desc->intf), - desc->bMaxPacketSize0, - desc->inbuf, - desc->response->transfer_dma); + spin_lock(&wdm_device_list_lock); + list_del(&desc->device_list); + spin_unlock(&wdm_device_list_lock); + kfree(desc->sbuf); + kfree(desc->inbuf); kfree(desc->orq); kfree(desc->irq); kfree(desc->ubuf); @@ -351,6 +377,10 @@ static ssize_t wdm_write else if (test_bit(WDM_IN_USE, &desc->flags)) r = -EAGAIN; + + if (test_bit(WDM_RESETTING, &desc->flags)) + r = -EIO; + if (r < 0) { kfree(buf); goto out; @@ -397,7 +427,7 @@ outnl: static ssize_t wdm_read (struct file *file, char __user *buffer, size_t count, loff_t *ppos) { - int rv, cntr = 0; + int rv, cntr; int i = 0; struct wdm_device *desc = file->private_data; @@ -406,7 +436,8 @@ static ssize_t wdm_read if (rv < 0) return -ERESTARTSYS; - if (desc->length == 0) { + cntr = ACCESS_ONCE(desc->length); + if (cntr == 0) { desc->read = 0; retry: if (test_bit(WDM_DISCONNECTING, &desc->flags)) { @@ -430,6 +461,10 @@ retry: rv = -ENODEV; goto err; } + if (test_bit(WDM_RESETTING, &desc->flags)) { + rv = -EIO; + goto err; + } usb_mark_last_busy(interface_to_usbdev(desc->intf)); if (rv < 0) { rv = -ERESTARTSYS; @@ -456,26 +491,30 @@ retry: spin_unlock_irq(&desc->iuspin); goto retry; } - clear_bit(WDM_READ, &desc->flags); + cntr = desc->length; spin_unlock_irq(&desc->iuspin); } - cntr = count > desc->length ? desc->length : count; + if (cntr > count) + cntr = count; rv = copy_to_user(buffer, desc->ubuf, cntr); if (rv > 0) { rv = -EFAULT; goto err; } + spin_lock_irq(&desc->iuspin); + for (i = 0; i < desc->length - cntr; i++) desc->ubuf[i] = desc->ubuf[i + cntr]; - spin_lock_irq(&desc->iuspin); desc->length -= cntr; - spin_unlock_irq(&desc->iuspin); /* in case we had outstanding data */ if (!desc->length) clear_bit(WDM_READ, &desc->flags); + + spin_unlock_irq(&desc->iuspin); + rv = cntr; err: @@ -529,11 +568,11 @@ static int wdm_open(struct inode *inode, struct file *file) struct wdm_device *desc; mutex_lock(&wdm_mutex); - intf = usb_find_interface(&wdm_driver, minor); - if (!intf) + desc = wdm_find_device_by_minor(minor); + if (!desc) goto out; - desc = usb_get_intfdata(intf); + intf = desc->intf; if (test_bit(WDM_DISCONNECTING, &desc->flags)) goto out; file->private_data = desc; @@ -543,7 +582,6 @@ static int wdm_open(struct inode *inode, struct file *file) dev_err(&desc->intf->dev, "Error autopm - %d\n", rv); goto out; } - intf->needs_remote_wakeup = 1; /* using write lock to protect desc->count */ mutex_lock(&desc->wlock); @@ -560,6 +598,8 @@ static int wdm_open(struct inode *inode, struct file *file) rv = 0; } mutex_unlock(&desc->wlock); + if (desc->count == 1) + desc->manage_power(intf, 1); usb_autopm_put_interface(desc->intf); out: mutex_unlock(&wdm_mutex); @@ -581,7 +621,7 @@ static int wdm_release(struct inode *inode, struct file *file) dev_dbg(&desc->intf->dev, "wdm_release: cleanup"); kill_urbs(desc); if (!test_bit(WDM_DISCONNECTING, &desc->flags)) - desc->intf->needs_remote_wakeup = 0; + desc->manage_power(desc->intf, 0); } mutex_unlock(&wdm_mutex); return 0; @@ -628,71 +668,31 @@ static void wdm_rxwork(struct work_struct *work) /* --- hotplug --- */ -static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id) +static int wdm_create(struct usb_interface *intf, struct usb_endpoint_descriptor *ep, + u16 bufsize, int (*manage_power)(struct usb_interface *, int)) { - int rv = -EINVAL; - struct usb_device *udev = interface_to_usbdev(intf); + int rv = -ENOMEM; struct wdm_device *desc; - struct usb_host_interface *iface; - struct usb_endpoint_descriptor *ep; - struct usb_cdc_dmm_desc *dmhd; - u8 *buffer = intf->altsetting->extra; - int buflen = intf->altsetting->extralen; - u16 maxcom = WDM_DEFAULT_BUFSIZE; - - if (!buffer) - goto out; - while (buflen > 2) { - if (buffer [1] != USB_DT_CS_INTERFACE) { - dev_err(&intf->dev, "skipping garbage\n"); - goto next_desc; - } - - switch (buffer [2]) { - case USB_CDC_HEADER_TYPE: - break; - case USB_CDC_DMM_TYPE: - dmhd = (struct usb_cdc_dmm_desc *)buffer; - maxcom = le16_to_cpu(dmhd->wMaxCommand); - dev_dbg(&intf->dev, - "Finding maximum buffer length: %d", maxcom); - break; - default: - dev_err(&intf->dev, - "Ignoring extra header, type %d, length %d\n", - buffer[2], buffer[0]); - break; - } -next_desc: - buflen -= buffer[0]; - buffer += buffer[0]; - } - - rv = -ENOMEM; desc = kzalloc(sizeof(struct wdm_device), GFP_KERNEL); if (!desc) goto out; + INIT_LIST_HEAD(&desc->device_list); mutex_init(&desc->rlock); mutex_init(&desc->wlock); spin_lock_init(&desc->iuspin); init_waitqueue_head(&desc->wait); - desc->wMaxCommand = maxcom; + desc->wMaxCommand = bufsize; /* this will be expanded and needed in hardware endianness */ desc->inum = cpu_to_le16((u16)intf->cur_altsetting->desc.bInterfaceNumber); desc->intf = intf; INIT_WORK(&desc->rxwork, wdm_rxwork); rv = -EINVAL; - iface = intf->cur_altsetting; - if (iface->desc.bNumEndpoints != 1) - goto err; - ep = &iface->endpoint[0].desc; - if (!ep || !usb_endpoint_is_int_in(ep)) + if (!usb_endpoint_is_int_in(ep)) goto err; desc->wMaxPacketSize = usb_endpoint_maxp(ep); - desc->bMaxPacketSize0 = udev->descriptor.bMaxPacketSize0; desc->orq = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); if (!desc->orq) @@ -717,19 +717,13 @@ next_desc: if (!desc->ubuf) goto err; - desc->sbuf = usb_alloc_coherent(interface_to_usbdev(intf), - desc->wMaxPacketSize, - GFP_KERNEL, - &desc->validity->transfer_dma); + desc->sbuf = kmalloc(desc->wMaxPacketSize, GFP_KERNEL); if (!desc->sbuf) goto err; - desc->inbuf = usb_alloc_coherent(interface_to_usbdev(intf), - desc->wMaxCommand, - GFP_KERNEL, - &desc->response->transfer_dma); + desc->inbuf = kmalloc(desc->wMaxCommand, GFP_KERNEL); if (!desc->inbuf) - goto err2; + goto err; usb_fill_int_urb( desc->validity, @@ -741,45 +735,149 @@ next_desc: desc, ep->bInterval ); - desc->validity->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - usb_set_intfdata(intf, desc); + desc->irq->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE); + desc->irq->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE; + desc->irq->wValue = 0; + desc->irq->wIndex = desc->inum; + desc->irq->wLength = cpu_to_le16(desc->wMaxCommand); + + usb_fill_control_urb( + desc->response, + interface_to_usbdev(intf), + /* using common endpoint 0 */ + usb_rcvctrlpipe(interface_to_usbdev(desc->intf), 0), + (unsigned char *)desc->irq, + desc->inbuf, + desc->wMaxCommand, + wdm_in_callback, + desc + ); + + desc->manage_power = manage_power; + + spin_lock(&wdm_device_list_lock); + list_add(&desc->device_list, &wdm_device_list); + spin_unlock(&wdm_device_list_lock); + rv = usb_register_dev(intf, &wdm_class); if (rv < 0) - goto err3; + goto err; else - dev_info(&intf->dev, "cdc-wdm%d: USB WDM device\n", - intf->minor - WDM_MINOR_BASE); + dev_info(&intf->dev, "%s: USB WDM device\n", dev_name(intf->usb_dev)); out: return rv; -err3: - usb_set_intfdata(intf, NULL); - usb_free_coherent(interface_to_usbdev(desc->intf), - desc->bMaxPacketSize0, - desc->inbuf, - desc->response->transfer_dma); -err2: - usb_free_coherent(interface_to_usbdev(desc->intf), - desc->wMaxPacketSize, - desc->sbuf, - desc->validity->transfer_dma); err: - free_urbs(desc); - kfree(desc->ubuf); - kfree(desc->orq); - kfree(desc->irq); - kfree(desc); + cleanup(desc); + return rv; +} + +static int wdm_manage_power(struct usb_interface *intf, int on) +{ + /* need autopm_get/put here to ensure the usbcore sees the new value */ + int rv = usb_autopm_get_interface(intf); + if (rv < 0) + goto err; + + intf->needs_remote_wakeup = on; + usb_autopm_put_interface(intf); +err: + return rv; +} + +static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + int rv = -EINVAL; + struct usb_host_interface *iface; + struct usb_endpoint_descriptor *ep; + struct usb_cdc_dmm_desc *dmhd; + u8 *buffer = intf->altsetting->extra; + int buflen = intf->altsetting->extralen; + u16 maxcom = WDM_DEFAULT_BUFSIZE; + + if (!buffer) + goto err; + while (buflen > 2) { + if (buffer[1] != USB_DT_CS_INTERFACE) { + dev_err(&intf->dev, "skipping garbage\n"); + goto next_desc; + } + + switch (buffer[2]) { + case USB_CDC_HEADER_TYPE: + break; + case USB_CDC_DMM_TYPE: + dmhd = (struct usb_cdc_dmm_desc *)buffer; + maxcom = le16_to_cpu(dmhd->wMaxCommand); + dev_dbg(&intf->dev, + "Finding maximum buffer length: %d", maxcom); + break; + default: + dev_err(&intf->dev, + "Ignoring extra header, type %d, length %d\n", + buffer[2], buffer[0]); + break; + } +next_desc: + buflen -= buffer[0]; + buffer += buffer[0]; + } + + iface = intf->cur_altsetting; + if (iface->desc.bNumEndpoints != 1) + goto err; + ep = &iface->endpoint[0].desc; + + rv = wdm_create(intf, ep, maxcom, &wdm_manage_power); + +err: return rv; } +/** + * usb_cdc_wdm_register - register a WDM subdriver + * @intf: usb interface the subdriver will associate with + * @ep: interrupt endpoint to monitor for notifications + * @bufsize: maximum message size to support for read/write + * + * Create WDM usb class character device and associate it with intf + * without binding, allowing another driver to manage the interface. + * + * The subdriver will manage the given interrupt endpoint exclusively + * and will issue control requests referring to the given intf. It + * will otherwise avoid interferring, and in particular not do + * usb_set_intfdata/usb_get_intfdata on intf. + * + * The return value is a pointer to the subdriver's struct usb_driver. + * The registering driver is responsible for calling this subdriver's + * disconnect, suspend, resume, pre_reset and post_reset methods from + * its own. + */ +struct usb_driver *usb_cdc_wdm_register(struct usb_interface *intf, + struct usb_endpoint_descriptor *ep, + int bufsize, + int (*manage_power)(struct usb_interface *, int)) +{ + int rv = -EINVAL; + + rv = wdm_create(intf, ep, bufsize, manage_power); + if (rv < 0) + goto err; + + return &wdm_driver; +err: + return ERR_PTR(rv); +} +EXPORT_SYMBOL(usb_cdc_wdm_register); + static void wdm_disconnect(struct usb_interface *intf) { struct wdm_device *desc; unsigned long flags; usb_deregister_dev(intf, &wdm_class); + desc = wdm_find_device(intf); mutex_lock(&wdm_mutex); - desc = usb_get_intfdata(intf); /* the spinlock makes sure no new urbs are generated in the callbacks */ spin_lock_irqsave(&desc->iuspin, flags); @@ -803,7 +901,7 @@ static void wdm_disconnect(struct usb_interface *intf) #ifdef CONFIG_PM static int wdm_suspend(struct usb_interface *intf, pm_message_t message) { - struct wdm_device *desc = usb_get_intfdata(intf); + struct wdm_device *desc = wdm_find_device(intf); int rv = 0; dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor); @@ -853,7 +951,7 @@ static int recover_from_urb_loss(struct wdm_device *desc) #ifdef CONFIG_PM static int wdm_resume(struct usb_interface *intf) { - struct wdm_device *desc = usb_get_intfdata(intf); + struct wdm_device *desc = wdm_find_device(intf); int rv; dev_dbg(&desc->intf->dev, "wdm%d_resume\n", intf->minor); @@ -867,11 +965,7 @@ static int wdm_resume(struct usb_interface *intf) static int wdm_pre_reset(struct usb_interface *intf) { - struct wdm_device *desc = usb_get_intfdata(intf); - - mutex_lock(&desc->rlock); - mutex_lock(&desc->wlock); - kill_urbs(desc); + struct wdm_device *desc = wdm_find_device(intf); /* * we notify everybody using poll of @@ -880,17 +974,25 @@ static int wdm_pre_reset(struct usb_interface *intf) * message from the device is lost */ spin_lock_irq(&desc->iuspin); + set_bit(WDM_RESETTING, &desc->flags); /* inform read/write */ + set_bit(WDM_READ, &desc->flags); /* unblock read */ + clear_bit(WDM_IN_USE, &desc->flags); /* unblock write */ desc->rerr = -EINTR; spin_unlock_irq(&desc->iuspin); wake_up_all(&desc->wait); + mutex_lock(&desc->rlock); + mutex_lock(&desc->wlock); + kill_urbs(desc); + cancel_work_sync(&desc->rxwork); return 0; } static int wdm_post_reset(struct usb_interface *intf) { - struct wdm_device *desc = usb_get_intfdata(intf); + struct wdm_device *desc = wdm_find_device(intf); int rv; + clear_bit(WDM_RESETTING, &desc->flags); rv = recover_from_urb_loss(desc); mutex_unlock(&desc->wlock); mutex_unlock(&desc->rlock); diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 4fee024ecc9..f8e2d6d52e5 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -934,13 +934,8 @@ void usb_rebind_intf(struct usb_interface *intf) int rc; /* Delayed unbind of an existing driver */ - if (intf->dev.driver) { - struct usb_driver *driver = - to_usb_driver(intf->dev.driver); - - dev_dbg(&intf->dev, "forced unbind\n"); - usb_driver_release_interface(driver, intf); - } + if (intf->dev.driver) + usb_forced_unbind_intf(intf); /* Try to rebind the interface */ if (!intf->dev.power.is_prepared) { @@ -953,15 +948,13 @@ void usb_rebind_intf(struct usb_interface *intf) #ifdef CONFIG_PM -#define DO_UNBIND 0 -#define DO_REBIND 1 - -/* Unbind drivers for @udev's interfaces that don't support suspend/resume, - * or rebind interfaces that have been unbound, according to @action. +/* Unbind drivers for @udev's interfaces that don't support suspend/resume + * There is no check for reset_resume here because it can be determined + * only during resume whether reset_resume is needed. * * The caller must hold @udev's device lock. */ -static void do_unbind_rebind(struct usb_device *udev, int action) +static void unbind_no_pm_drivers_interfaces(struct usb_device *udev) { struct usb_host_config *config; int i; @@ -972,23 +965,53 @@ static void do_unbind_rebind(struct usb_device *udev, int action) if (config) { for (i = 0; i < config->desc.bNumInterfaces; ++i) { intf = config->interface[i]; - switch (action) { - case DO_UNBIND: - if (intf->dev.driver) { - drv = to_usb_driver(intf->dev.driver); - if (!drv->suspend || !drv->resume) - usb_forced_unbind_intf(intf); - } - break; - case DO_REBIND: - if (intf->needs_binding) - usb_rebind_intf(intf); - break; + + if (intf->dev.driver) { + drv = to_usb_driver(intf->dev.driver); + if (!drv->suspend || !drv->resume) + usb_forced_unbind_intf(intf); } } } } +/* Unbind drivers for @udev's interfaces that failed to support reset-resume. + * These interfaces have the needs_binding flag set by usb_resume_interface(). + * + * The caller must hold @udev's device lock. + */ +static void unbind_no_reset_resume_drivers_interfaces(struct usb_device *udev) +{ + struct usb_host_config *config; + int i; + struct usb_interface *intf; + + config = udev->actconfig; + if (config) { + for (i = 0; i < config->desc.bNumInterfaces; ++i) { + intf = config->interface[i]; + if (intf->dev.driver && intf->needs_binding) + usb_forced_unbind_intf(intf); + } + } +} + +static void do_rebind_interfaces(struct usb_device *udev) +{ + struct usb_host_config *config; + int i; + struct usb_interface *intf; + + config = udev->actconfig; + if (config) { + for (i = 0; i < config->desc.bNumInterfaces; ++i) { + intf = config->interface[i]; + if (intf->needs_binding) + usb_rebind_intf(intf); + } + } +} + static int usb_suspend_device(struct usb_device *udev, pm_message_t msg) { struct usb_device_driver *udriver; @@ -1278,35 +1301,48 @@ int usb_suspend(struct device *dev, pm_message_t msg) { struct usb_device *udev = to_usb_device(dev); - do_unbind_rebind(udev, DO_UNBIND); + unbind_no_pm_drivers_interfaces(udev); + + /* From now on we are sure all drivers support suspend/resume + * but not necessarily reset_resume() + * so we may still need to unbind and rebind upon resume + */ choose_wakeup(udev, msg); return usb_suspend_both(udev, msg); } /* The device lock is held by the PM core */ +int usb_resume_complete(struct device *dev) +{ + struct usb_device *udev = to_usb_device(dev); + + /* For PM complete calls, all we do is rebind interfaces + * whose needs_binding flag is set + */ + if (udev->state != USB_STATE_NOTATTACHED) + do_rebind_interfaces(udev); + return 0; +} + +/* The device lock is held by the PM core */ int usb_resume(struct device *dev, pm_message_t msg) { struct usb_device *udev = to_usb_device(dev); int status; - /* For PM complete calls, all we do is rebind interfaces */ - if (msg.event == PM_EVENT_ON) { - if (udev->state != USB_STATE_NOTATTACHED) - do_unbind_rebind(udev, DO_REBIND); - status = 0; - - /* For all other calls, take the device back to full power and + /* For all calls, take the device back to full power and * tell the PM core in case it was autosuspended previously. - * Unbind the interfaces that will need rebinding later. + * Unbind the interfaces that will need rebinding later, + * because they fail to support reset_resume. + * (This can't be done in usb_resume_interface() + * above because it doesn't own the right set of locks.) */ - } else { - status = usb_resume_both(udev, msg); - if (status == 0) { - pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - do_unbind_rebind(udev, DO_REBIND); - } + status = usb_resume_both(udev, msg); + if (status == 0) { + pm_runtime_disable(dev); + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + unbind_no_reset_resume_drivers_interfaces(udev); } /* Avoid PM error messages for devices disconnected while suspended diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 81e2c0d9c17..622b4a48e73 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -380,6 +380,7 @@ static int check_root_hub_suspended(struct device *dev) return 0; } +#if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM_RUNTIME) static int suspend_common(struct device *dev, bool do_wakeup) { struct pci_dev *pci_dev = to_pci_dev(dev); @@ -471,6 +472,7 @@ static int resume_common(struct device *dev, int event) } return retval; } +#endif /* SLEEP || RUNTIME */ #ifdef CONFIG_PM_SLEEP diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index e1282328fc2..9d7fc9a3993 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2352,7 +2352,7 @@ static int usb_hcd_request_irqs(struct usb_hcd *hcd, "io mem" : "io base", (unsigned long long)hcd->rsrc_start); } else { - hcd->irq = -1; + hcd->irq = 0; if (hcd->rsrc_start) dev_info(hcd->self.controller, "%s 0x%08llx\n", (hcd->driver->flags & HCD_MEMORY) ? @@ -2508,7 +2508,7 @@ err_register_root_hub: clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); del_timer_sync(&hcd->rh_timer); err_hcd_driver_start: - if (usb_hcd_is_primary_hcd(hcd) && hcd->irq >= 0) + if (usb_hcd_is_primary_hcd(hcd) && hcd->irq > 0) free_irq(irqnum, hcd); err_request_irq: err_hcd_driver_setup: @@ -2573,7 +2573,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) del_timer_sync(&hcd->rh_timer); if (usb_hcd_is_primary_hcd(hcd)) { - if (hcd->irq >= 0) + if (hcd->irq > 0) free_irq(hcd->irq, hcd); } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 265c2f675d0..28664eb7f55 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -62,6 +62,8 @@ struct usb_hub { resumed */ unsigned long removed_bits[1]; /* ports with a "removed" device present */ + unsigned long wakeup_bits[1]; /* ports that have signaled + remote wakeup */ #if USB_MAXCHILDREN > 31 /* 8*sizeof(unsigned long) - 1 */ #error event_bits[] is too short! #endif @@ -411,6 +413,29 @@ void usb_kick_khubd(struct usb_device *hdev) kick_khubd(hub); } +/* + * Let the USB core know that a USB 3.0 device has sent a Function Wake Device + * Notification, which indicates it had initiated remote wakeup. + * + * USB 3.0 hubs do not report the port link state change from U3 to U0 when the + * device initiates resume, so the USB core will not receive notice of the + * resume through the normal hub interrupt URB. + */ +void usb_wakeup_notification(struct usb_device *hdev, + unsigned int portnum) +{ + struct usb_hub *hub; + + if (!hdev) + return; + + hub = hdev_to_hub(hdev); + if (hub) { + set_bit(portnum, hub->wakeup_bits); + kick_khubd(hub); + } +} +EXPORT_SYMBOL_GPL(usb_wakeup_notification); /* completion function, fires on port status changes and various faults */ static void hub_irq(struct urb *urb) @@ -823,12 +848,6 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_ENABLE); } - if (portchange & USB_PORT_STAT_C_LINK_STATE) { - need_debounce_delay = true; - clear_port_feature(hub->hdev, port1, - USB_PORT_FEAT_C_PORT_LINK_STATE); - } - if ((portchange & USB_PORT_STAT_C_BH_RESET) && hub_is_superspeed(hub->hdev)) { need_debounce_delay = true; @@ -850,12 +869,19 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) set_bit(port1, hub->change_bits); } else if (portstatus & USB_PORT_STAT_ENABLE) { + bool port_resumed = (portstatus & + USB_PORT_STAT_LINK_STATE) == + USB_SS_PORT_LS_U0; /* The power session apparently survived the resume. * If there was an overcurrent or suspend change * (i.e., remote wakeup request), have khubd - * take care of it. + * take care of it. Look at the port link state + * for USB 3.0 hubs, since they don't have a suspend + * change bit, and they don't set the port link change + * bit on device-initiated resume. */ - if (portchange) + if (portchange || (hub_is_superspeed(hub->hdev) && + port_resumed)) set_bit(port1, hub->change_bits); } else if (udev->persist_enabled) { @@ -1021,8 +1047,10 @@ static int hub_configure(struct usb_hub *hub, dev_info (hub_dev, "%d port%s detected\n", hdev->maxchild, (hdev->maxchild == 1) ? "" : "s"); + hdev->children = kzalloc(hdev->maxchild * + sizeof(struct usb_device *), GFP_KERNEL); hub->port_owners = kzalloc(hdev->maxchild * sizeof(void *), GFP_KERNEL); - if (!hub->port_owners) { + if (!hdev->children || !hub->port_owners) { ret = -ENOMEM; goto fail; } @@ -1253,7 +1281,8 @@ static unsigned highspeed_hubs; static void hub_disconnect(struct usb_interface *intf) { - struct usb_hub *hub = usb_get_intfdata (intf); + struct usb_hub *hub = usb_get_intfdata(intf); + struct usb_device *hdev = interface_to_usbdev(intf); /* Take the hub off the event list and don't let it be added again */ spin_lock_irq(&hub_event_lock); @@ -1275,6 +1304,7 @@ static void hub_disconnect(struct usb_interface *intf) highspeed_hubs--; usb_free_urb(hub->urb); + kfree(hdev->children); kfree(hub->port_owners); kfree(hub->descriptor); kfree(hub->status); @@ -1293,14 +1323,8 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) desc = intf->cur_altsetting; hdev = interface_to_usbdev(intf); - /* Hubs have proper suspend/resume support. USB 3.0 device suspend is - * different from USB 2.0/1.1 device suspend, and unfortunately we - * don't support it yet. So leave autosuspend disabled for USB 3.0 - * external hubs for now. Enable autosuspend for USB 3.0 roothubs, - * since that isn't a "real" hub. - */ - if (!hub_is_superspeed(hdev) || !hdev->parent) - usb_enable_autosuspend(hdev); + /* Hubs have proper suspend/resume support. */ + usb_enable_autosuspend(hdev); if (hdev->level == MAX_TOPO_LEVEL) { dev_err(&intf->dev, @@ -1656,7 +1680,7 @@ void usb_disconnect(struct usb_device **pdev) usb_lock_device(udev); /* Free up all the children before we remove this device */ - for (i = 0; i < USB_MAXCHILDREN; i++) { + for (i = 0; i < udev->maxchild; i++) { if (udev->children[i]) usb_disconnect(&udev->children[i]); } @@ -1842,6 +1866,37 @@ fail: return err; } +static void set_usb_port_removable(struct usb_device *udev) +{ + struct usb_device *hdev = udev->parent; + struct usb_hub *hub; + u8 port = udev->portnum; + u16 wHubCharacteristics; + bool removable = true; + + if (!hdev) + return; + + hub = hdev_to_hub(udev->parent); + + wHubCharacteristics = le16_to_cpu(hub->descriptor->wHubCharacteristics); + + if (!(wHubCharacteristics & HUB_CHAR_COMPOUND)) + return; + + if (hub_is_superspeed(hdev)) { + if (hub->descriptor->u.ss.DeviceRemovable & (1 << port)) + removable = false; + } else { + if (hub->descriptor->u.hs.DeviceRemovable[port / 8] & (1 << (port % 8))) + removable = false; + } + + if (removable) + udev->removable = USB_DEVICE_REMOVABLE; + else + udev->removable = USB_DEVICE_FIXED; +} /** * usb_new_device - perform initial device setup (usbcore-internal) @@ -1900,6 +1955,15 @@ int usb_new_device(struct usb_device *udev) announce_device(udev); device_enable_async_suspend(&udev->dev); + + /* + * check whether the hub marks this port as non-removable. Do it + * now so that platform-specific data can override it in + * device_add() + */ + if (udev->parent) + set_usb_port_removable(udev); + /* Register the device. The device driver is responsible * for configuring the device and invoking the add-device * notifier chain (used by usbfs and possibly others). @@ -2385,11 +2449,27 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) * we don't explicitly enable it here. */ if (udev->do_remote_wakeup) { - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - USB_REQ_SET_FEATURE, USB_RECIP_DEVICE, - USB_DEVICE_REMOTE_WAKEUP, 0, - NULL, 0, - USB_CTRL_SET_TIMEOUT); + if (!hub_is_superspeed(hub->hdev)) { + status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + USB_REQ_SET_FEATURE, USB_RECIP_DEVICE, + USB_DEVICE_REMOTE_WAKEUP, 0, + NULL, 0, + USB_CTRL_SET_TIMEOUT); + } else { + /* Assume there's only one function on the USB 3.0 + * device and enable remote wake for the first + * interface. FIXME if the interface association + * descriptor shows there's more than one function. + */ + status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + USB_REQ_SET_FEATURE, + USB_RECIP_INTERFACE, + USB_INTRF_FUNC_SUSPEND, + USB_INTRF_FUNC_SUSPEND_RW | + USB_INTRF_FUNC_SUSPEND_LP, + NULL, 0, + USB_CTRL_SET_TIMEOUT); + } if (status) { dev_dbg(&udev->dev, "won't remote wakeup, status %d\n", status); @@ -2679,6 +2759,7 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) struct usb_hub *hub = usb_get_intfdata (intf); struct usb_device *hdev = hub->hdev; unsigned port1; + int status; /* Warn if children aren't already suspended */ for (port1 = 1; port1 <= hdev->maxchild; port1++) { @@ -2691,6 +2772,17 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) return -EBUSY; } } + if (hub_is_superspeed(hdev) && hdev->do_remote_wakeup) { + /* Enable hub to send remote wakeup for all ports. */ + for (port1 = 1; port1 <= hdev->maxchild; port1++) { + status = set_port_feature(hdev, + port1 | + USB_PORT_FEAT_REMOTE_WAKE_CONNECT | + USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT | + USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT, + USB_PORT_FEAT_REMOTE_WAKE_MASK); + } + } dev_dbg(&intf->dev, "%s\n", __func__); @@ -3424,6 +3516,46 @@ done: hcd->driver->relinquish_port(hcd, port1); } +/* Returns 1 if there was a remote wakeup and a connect status change. */ +static int hub_handle_remote_wakeup(struct usb_hub *hub, unsigned int port, + u16 portstatus, u16 portchange) +{ + struct usb_device *hdev; + struct usb_device *udev; + int connect_change = 0; + int ret; + + hdev = hub->hdev; + udev = hdev->children[port-1]; + if (!hub_is_superspeed(hdev)) { + if (!(portchange & USB_PORT_STAT_C_SUSPEND)) + return 0; + clear_port_feature(hdev, port, USB_PORT_FEAT_C_SUSPEND); + } else { + if (!udev || udev->state != USB_STATE_SUSPENDED || + (portstatus & USB_PORT_STAT_LINK_STATE) != + USB_SS_PORT_LS_U0) + return 0; + } + + if (udev) { + /* TRSMRCY = 10 msec */ + msleep(10); + + usb_lock_device(udev); + ret = usb_remote_wakeup(udev); + usb_unlock_device(udev); + if (ret < 0) + connect_change = 1; + } else { + ret = -ENODEV; + hub_port_disable(hub, port, 1); + } + dev_dbg(hub->intfdev, "resume on port %d, status %d\n", + port, ret); + return connect_change; +} + static void hub_events(void) { struct list_head *tmp; @@ -3436,7 +3568,7 @@ static void hub_events(void) u16 portstatus; u16 portchange; int i, ret; - int connect_change; + int connect_change, wakeup_change; /* * We restart the list every time to avoid a deadlock with @@ -3515,8 +3647,9 @@ static void hub_events(void) if (test_bit(i, hub->busy_bits)) continue; connect_change = test_bit(i, hub->change_bits); + wakeup_change = test_and_clear_bit(i, hub->wakeup_bits); if (!test_and_clear_bit(i, hub->event_bits) && - !connect_change) + !connect_change && !wakeup_change) continue; ret = hub_port_status(hub, i, @@ -3557,31 +3690,10 @@ static void hub_events(void) } } - if (portchange & USB_PORT_STAT_C_SUSPEND) { - struct usb_device *udev; + if (hub_handle_remote_wakeup(hub, i, + portstatus, portchange)) + connect_change = 1; - clear_port_feature(hdev, i, - USB_PORT_FEAT_C_SUSPEND); - udev = hdev->children[i-1]; - if (udev) { - /* TRSMRCY = 10 msec */ - msleep(10); - - usb_lock_device(udev); - ret = usb_remote_wakeup(hdev-> - children[i-1]); - usb_unlock_device(udev); - if (ret < 0) - connect_change = 1; - } else { - ret = -ENODEV; - hub_port_disable(hub, i, 1); - } - dev_dbg (hub_dev, - "resume on port %d, status %d\n", - i, ret); - } - if (portchange & USB_PORT_STAT_C_OVERCURRENT) { u16 status = 0; u16 unused; diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 9e491ca2e5c..566d9f94f73 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -230,6 +230,28 @@ show_urbnum(struct device *dev, struct device_attribute *attr, char *buf) } static DEVICE_ATTR(urbnum, S_IRUGO, show_urbnum, NULL); +static ssize_t +show_removable(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct usb_device *udev; + char *state; + + udev = to_usb_device(dev); + + switch (udev->removable) { + case USB_DEVICE_REMOVABLE: + state = "removable"; + break; + case USB_DEVICE_FIXED: + state = "fixed"; + break; + default: + state = "unknown"; + } + + return sprintf(buf, "%s\n", state); +} +static DEVICE_ATTR(removable, S_IRUGO, show_removable, NULL); #ifdef CONFIG_PM @@ -626,6 +648,7 @@ static struct attribute *dev_attrs[] = { &dev_attr_avoid_reset_quirk.attr, &dev_attr_authorized.attr, &dev_attr_remove.attr, + &dev_attr_removable.attr, NULL, }; static struct attribute_group dev_attr_grp = { diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 909625b91eb..7239a73c1b8 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -403,20 +403,17 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) * cause problems in HCDs if they get it wrong. */ { - unsigned int orig_flags = urb->transfer_flags; unsigned int allowed; static int pipetypes[4] = { PIPE_CONTROL, PIPE_ISOCHRONOUS, PIPE_BULK, PIPE_INTERRUPT }; /* Check that the pipe's type matches the endpoint's type */ - if (usb_pipetype(urb->pipe) != pipetypes[xfertype]) { - dev_err(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n", + if (usb_pipetype(urb->pipe) != pipetypes[xfertype]) + dev_WARN(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n", usb_pipetype(urb->pipe), pipetypes[xfertype]); - return -EPIPE; /* The most suitable error code :-) */ - } - /* enforce simple/standard policy */ + /* Check against a simple/standard policy */ allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_INTERRUPT | URB_DIR_MASK | URB_FREE_BUFFER); switch (xfertype) { @@ -435,14 +432,12 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) allowed |= URB_ISO_ASAP; break; } - urb->transfer_flags &= allowed; + allowed &= urb->transfer_flags; - /* fail if submitter gave bogus flags */ - if (urb->transfer_flags != orig_flags) { - dev_err(&dev->dev, "BOGUS urb flags, %x --> %x\n", - orig_flags, urb->transfer_flags); - return -EINVAL; - } + /* warn if submitter gave bogus flags */ + if (allowed != urb->transfer_flags) + dev_WARN(&dev->dev, "BOGUS urb flags, %x --> %x\n", + urb->transfer_flags, allowed); } #endif /* @@ -532,10 +527,13 @@ EXPORT_SYMBOL_GPL(usb_submit_urb); * a driver's I/O routines to insure that all URB-related activity has * completed before it returns. * - * This request is always asynchronous. Success is indicated by - * returning -EINPROGRESS, at which time the URB will probably not yet - * have been given back to the device driver. When it is eventually - * called, the completion function will see @urb->status == -ECONNRESET. + * This request is asynchronous, however the HCD might call the ->complete() + * callback during unlink. Therefore when drivers call usb_unlink_urb(), they + * must not hold any locks that may be taken by the completion function. + * Success is indicated by returning -EINPROGRESS, at which time the URB will + * probably not yet have been given back to the device driver. When it is + * eventually called, the completion function will see @urb->status == + * -ECONNRESET. * Failure is indicated by usb_unlink_urb() returning any other value. * Unlinking will fail when @urb is not currently "linked" (i.e., it was * never submitted, or it was unlinked before, or the hardware is already diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 8ca9f994a28..c74ba7bbc74 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -274,7 +274,7 @@ static int usb_dev_prepare(struct device *dev) static void usb_dev_complete(struct device *dev) { /* Currently used only for rebinding interfaces */ - usb_resume(dev, PMSG_ON); /* FIXME: change to PMSG_COMPLETE */ + usb_resume_complete(dev); } static int usb_dev_suspend(struct device *dev) diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 45e8479c377..71648dcbe43 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -56,6 +56,7 @@ extern void usb_major_cleanup(void); extern int usb_suspend(struct device *dev, pm_message_t msg); extern int usb_resume(struct device *dev, pm_message_t msg); +extern int usb_resume_complete(struct device *dev); extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg); extern int usb_port_resume(struct usb_device *dev, pm_message_t msg); diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index 900ae74357f..d441fe4c180 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -28,6 +28,19 @@ endif obj-$(CONFIG_USB_DWC3) += dwc3-omap.o +## +# REVISIT Samsung Exynos platform needs the clk API which isn't +# defined on all architectures. If we allow dwc3-exynos.c compile +# always we will fail the linking phase on those architectures +# which don't provide clk api implementation and that's unnaceptable. +# +# When Samsung's platform start supporting pm_runtime, this check +# for HAVE_CLK should be removed. +## +ifneq ($(CONFIG_HAVE_CLK),) + obj-$(CONFIG_USB_DWC3) += dwc3-exynos.o +endif + ifneq ($(CONFIG_PCI),) obj-$(CONFIG_USB_DWC3) += dwc3-pci.o endif diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 7c9df630dbe..7bd815a507e 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -48,10 +48,10 @@ #include <linux/list.h> #include <linux/delay.h> #include <linux/dma-mapping.h> +#include <linux/of.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -#include <linux/module.h> #include "core.h" #include "gadget.h" @@ -86,7 +86,7 @@ again: id = -ENOMEM; } - return 0; + return id; } EXPORT_SYMBOL_GPL(dwc3_get_device_id); @@ -167,11 +167,11 @@ static void dwc3_free_one_event_buffer(struct dwc3 *dwc, } /** - * dwc3_alloc_one_event_buffer - Allocated one event buffer structure + * dwc3_alloc_one_event_buffer - Allocates one event buffer structure * @dwc: Pointer to our controller context structure * @length: size of the event buffer * - * Returns a pointer to the allocated event buffer structure on succes + * Returns a pointer to the allocated event buffer structure on success * otherwise ERR_PTR(errno). */ static struct dwc3_event_buffer *__devinit @@ -215,10 +215,10 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc) /** * dwc3_alloc_event_buffers - Allocates @num event buffers of size @length - * @dwc: Pointer to out controller context structure + * @dwc: pointer to our controller context structure * @length: size of event buffer * - * Returns 0 on success otherwise negative errno. In error the case, dwc + * Returns 0 on success otherwise negative errno. In the error case, dwc * may contain some buffers allocated but not all which were requested. */ static int __devinit dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) @@ -251,7 +251,7 @@ static int __devinit dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) /** * dwc3_event_buffers_setup - setup our allocated event buffers - * @dwc: Pointer to out controller context structure + * @dwc: pointer to our controller context structure * * Returns 0 on success otherwise negative errno. */ @@ -350,7 +350,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc) dwc3_cache_hwparams(dwc); reg = dwc3_readl(dwc->regs, DWC3_GCTL); - reg &= ~DWC3_GCTL_SCALEDOWN(3); + reg &= ~DWC3_GCTL_SCALEDOWN_MASK; reg &= ~DWC3_GCTL_DISSCRAMBLE; switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1)) { @@ -363,9 +363,9 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc) /* * WORKAROUND: DWC3 revisions <1.90a have a bug - * when The device fails to connect at SuperSpeed + * where the device can fail to connect at SuperSpeed * and falls back to high-speed mode which causes - * the device to enter in a Connect/Disconnect loop + * the device to enter a Connect/Disconnect loop */ if (dwc->revision < DWC3_REVISION_190A) reg |= DWC3_GCTL_U2RSTECN; @@ -404,8 +404,10 @@ static void dwc3_core_exit(struct dwc3 *dwc) static int __devinit dwc3_probe(struct platform_device *pdev) { + struct device_node *node = pdev->dev.of_node; struct resource *res; struct dwc3 *dwc; + struct device *dev = &pdev->dev; int ret = -ENOMEM; int irq; @@ -415,39 +417,39 @@ static int __devinit dwc3_probe(struct platform_device *pdev) u8 mode; - mem = kzalloc(sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL); + mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL); if (!mem) { - dev_err(&pdev->dev, "not enough memory\n"); - goto err0; + dev_err(dev, "not enough memory\n"); + return -ENOMEM; } dwc = PTR_ALIGN(mem, DWC3_ALIGN_MASK + 1); dwc->mem = mem; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { - dev_err(&pdev->dev, "missing resource\n"); - goto err1; + dev_err(dev, "missing resource\n"); + return -ENODEV; } dwc->res = res; - res = request_mem_region(res->start, resource_size(res), - dev_name(&pdev->dev)); + res = devm_request_mem_region(dev, res->start, resource_size(res), + dev_name(dev)); if (!res) { - dev_err(&pdev->dev, "can't request mem region\n"); - goto err1; + dev_err(dev, "can't request mem region\n"); + return -ENOMEM; } - regs = ioremap(res->start, resource_size(res)); + regs = devm_ioremap(dev, res->start, resource_size(res)); if (!regs) { - dev_err(&pdev->dev, "ioremap failed\n"); - goto err2; + dev_err(dev, "ioremap failed\n"); + return -ENOMEM; } irq = platform_get_irq(pdev, 0); if (irq < 0) { - dev_err(&pdev->dev, "missing IRQ\n"); - goto err3; + dev_err(dev, "missing IRQ\n"); + return -ENODEV; } spin_lock_init(&dwc->lock); @@ -455,7 +457,7 @@ static int __devinit dwc3_probe(struct platform_device *pdev) dwc->regs = regs; dwc->regs_size = resource_size(res); - dwc->dev = &pdev->dev; + dwc->dev = dev; dwc->irq = irq; if (!strncmp("super", maximum_speed, 5)) @@ -469,14 +471,17 @@ static int __devinit dwc3_probe(struct platform_device *pdev) else dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; - pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); - pm_runtime_forbid(&pdev->dev); + if (of_get_property(node, "tx-fifo-resize", NULL)) + dwc->needs_fifo_resize = true; + + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); + pm_runtime_forbid(dev); ret = dwc3_core_init(dwc); if (ret) { - dev_err(&pdev->dev, "failed to initialize core\n"); - goto err3; + dev_err(dev, "failed to initialize core\n"); + return ret; } mode = DWC3_MODE(dwc->hwparams.hwparams0); @@ -486,49 +491,49 @@ static int __devinit dwc3_probe(struct platform_device *pdev) dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); ret = dwc3_gadget_init(dwc); if (ret) { - dev_err(&pdev->dev, "failed to initialize gadget\n"); - goto err4; + dev_err(dev, "failed to initialize gadget\n"); + goto err1; } break; case DWC3_MODE_HOST: dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_HOST); ret = dwc3_host_init(dwc); if (ret) { - dev_err(&pdev->dev, "failed to initialize host\n"); - goto err4; + dev_err(dev, "failed to initialize host\n"); + goto err1; } break; case DWC3_MODE_DRD: dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG); ret = dwc3_host_init(dwc); if (ret) { - dev_err(&pdev->dev, "failed to initialize host\n"); - goto err4; + dev_err(dev, "failed to initialize host\n"); + goto err1; } ret = dwc3_gadget_init(dwc); if (ret) { - dev_err(&pdev->dev, "failed to initialize gadget\n"); - goto err4; + dev_err(dev, "failed to initialize gadget\n"); + goto err1; } break; default: - dev_err(&pdev->dev, "Unsupported mode of operation %d\n", mode); - goto err4; + dev_err(dev, "Unsupported mode of operation %d\n", mode); + goto err1; } dwc->mode = mode; ret = dwc3_debugfs_init(dwc); if (ret) { - dev_err(&pdev->dev, "failed to initialize debugfs\n"); - goto err5; + dev_err(dev, "failed to initialize debugfs\n"); + goto err2; } - pm_runtime_allow(&pdev->dev); + pm_runtime_allow(dev); return 0; -err5: +err2: switch (mode) { case DWC3_MODE_DEVICE: dwc3_gadget_exit(dwc); @@ -545,19 +550,9 @@ err5: break; } -err4: - dwc3_core_exit(dwc); - -err3: - iounmap(regs); - -err2: - release_mem_region(res->start, resource_size(res)); - err1: - kfree(dwc->mem); + dwc3_core_exit(dwc); -err0: return ret; } @@ -590,9 +585,6 @@ static int __devexit dwc3_remove(struct platform_device *pdev) } dwc3_core_exit(dwc); - release_mem_region(res->start, resource_size(res)); - iounmap(dwc->regs); - kfree(dwc->mem); return 0; } @@ -605,19 +597,9 @@ static struct platform_driver dwc3_driver = { }, }; +module_platform_driver(dwc3_driver); + MODULE_ALIAS("platform:dwc3"); MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver"); - -static int __devinit dwc3_init(void) -{ - return platform_driver_register(&dwc3_driver); -} -module_init(dwc3_init); - -static void __exit dwc3_exit(void) -{ - platform_driver_unregister(&dwc3_driver); -} -module_exit(dwc3_exit); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 9e57f8e9bf1..6c7945b4cad 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -145,22 +145,23 @@ /* Bit fields */ /* Global Configuration Register */ -#define DWC3_GCTL_PWRDNSCALE(n) (n << 19) +#define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19) #define DWC3_GCTL_U2RSTECN (1 << 16) -#define DWC3_GCTL_RAMCLKSEL(x) ((x & DWC3_GCTL_CLK_MASK) << 6) +#define DWC3_GCTL_RAMCLKSEL(x) (((x) & DWC3_GCTL_CLK_MASK) << 6) #define DWC3_GCTL_CLK_BUS (0) #define DWC3_GCTL_CLK_PIPE (1) #define DWC3_GCTL_CLK_PIPEHALF (2) #define DWC3_GCTL_CLK_MASK (3) #define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12) -#define DWC3_GCTL_PRTCAPDIR(n) (n << 12) +#define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12) #define DWC3_GCTL_PRTCAP_HOST 1 #define DWC3_GCTL_PRTCAP_DEVICE 2 #define DWC3_GCTL_PRTCAP_OTG 3 #define DWC3_GCTL_CORESOFTRESET (1 << 11) -#define DWC3_GCTL_SCALEDOWN(n) (n << 4) +#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4) +#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3) #define DWC3_GCTL_DISSCRAMBLE (1 << 3) #define DWC3_GCTL_DSBLCLKGTNG (1 << 0) @@ -172,8 +173,12 @@ #define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31) #define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17) +/* Global TX Fifo Size Register */ +#define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff) +#define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000) + /* Global HWPARAMS1 Register */ -#define DWC3_GHWPARAMS1_EN_PWROPT(n) ((n & (3 << 24)) >> 24) +#define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24) #define DWC3_GHWPARAMS1_EN_PWROPT_NO 0 #define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1 @@ -198,6 +203,15 @@ #define DWC3_DCTL_APPL1RES (1 << 23) +#define DWC3_DCTL_TRGTULST_MASK (0x0f << 17) +#define DWC3_DCTL_TRGTULST(n) ((n) << 17) + +#define DWC3_DCTL_TRGTULST_U2 (DWC3_DCTL_TRGTULST(2)) +#define DWC3_DCTL_TRGTULST_U3 (DWC3_DCTL_TRGTULST(3)) +#define DWC3_DCTL_TRGTULST_SS_DIS (DWC3_DCTL_TRGTULST(4)) +#define DWC3_DCTL_TRGTULST_RX_DET (DWC3_DCTL_TRGTULST(5)) +#define DWC3_DCTL_TRGTULST_SS_INACT (DWC3_DCTL_TRGTULST(6)) + #define DWC3_DCTL_INITU2ENA (1 << 12) #define DWC3_DCTL_ACCEPTU2ENA (1 << 11) #define DWC3_DCTL_INITU1ENA (1 << 10) @@ -260,10 +274,10 @@ /* Device Endpoint Command Register */ #define DWC3_DEPCMD_PARAM_SHIFT 16 -#define DWC3_DEPCMD_PARAM(x) (x << DWC3_DEPCMD_PARAM_SHIFT) -#define DWC3_DEPCMD_GET_RSC_IDX(x) ((x >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f) +#define DWC3_DEPCMD_PARAM(x) ((x) << DWC3_DEPCMD_PARAM_SHIFT) +#define DWC3_DEPCMD_GET_RSC_IDX(x) (((x) >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f) #define DWC3_DEPCMD_STATUS_MASK (0x0f << 12) -#define DWC3_DEPCMD_STATUS(x) ((x & DWC3_DEPCMD_STATUS_MASK) >> 12) +#define DWC3_DEPCMD_STATUS(x) (((x) & DWC3_DEPCMD_STATUS_MASK) >> 12) #define DWC3_DEPCMD_HIPRI_FORCERM (1 << 11) #define DWC3_DEPCMD_CMDACT (1 << 10) #define DWC3_DEPCMD_CMDIOC (1 << 8) @@ -288,7 +302,7 @@ /* Structures */ -struct dwc3_trb_hw; +struct dwc3_trb; /** * struct dwc3_event_buffer - Software event buffer representation @@ -343,7 +357,7 @@ struct dwc3_ep { struct list_head request_list; struct list_head req_queued; - struct dwc3_trb_hw *trb_pool; + struct dwc3_trb *trb_pool; dma_addr_t trb_pool_dma; u32 free_slot; u32 busy_slot; @@ -418,102 +432,49 @@ enum dwc3_device_state { DWC3_CONFIGURED_STATE, }; -/** - * struct dwc3_trb - transfer request block - * @bpl: lower 32bit of the buffer - * @bph: higher 32bit of the buffer - * @length: buffer size (up to 16mb - 1) - * @pcm1: packet count m1 - * @trbsts: trb status - * 0 = ok - * 1 = missed isoc - * 2 = setup pending - * @hwo: hardware owner of descriptor - * @lst: last trb - * @chn: chain buffers - * @csp: continue on short packets (only supported on isoc eps) - * @trbctl: trb control - * 1 = normal - * 2 = control-setup - * 3 = control-status-2 - * 4 = control-status-3 - * 5 = control-data (first trb of data stage) - * 6 = isochronous-first (first trb of service interval) - * 7 = isochronous - * 8 = link trb - * others = reserved - * @isp_imi: interrupt on short packet / interrupt on missed isoc - * @ioc: interrupt on complete - * @sid_sofn: Stream ID / SOF Number - */ -struct dwc3_trb { - u64 bplh; - - union { - struct { - u32 length:24; - u32 pcm1:2; - u32 reserved27_26:2; - u32 trbsts:4; -#define DWC3_TRB_STS_OKAY 0 -#define DWC3_TRB_STS_MISSED_ISOC 1 -#define DWC3_TRB_STS_SETUP_PENDING 2 - }; - u32 len_pcm; - }; - - union { - struct { - u32 hwo:1; - u32 lst:1; - u32 chn:1; - u32 csp:1; - u32 trbctl:6; - u32 isp_imi:1; - u32 ioc:1; - u32 reserved13_12:2; - u32 sid_sofn:16; - u32 reserved31_30:2; - }; - u32 control; - }; -} __packed; +/* TRB Length, PCM and Status */ +#define DWC3_TRB_SIZE_MASK (0x00ffffff) +#define DWC3_TRB_SIZE_LENGTH(n) ((n) & DWC3_TRB_SIZE_MASK) +#define DWC3_TRB_SIZE_PCM1(n) (((n) & 0x03) << 24) +#define DWC3_TRB_SIZE_TRBSTS(n) (((n) & (0x0f << 28) >> 28)) + +#define DWC3_TRBSTS_OK 0 +#define DWC3_TRBSTS_MISSED_ISOC 1 +#define DWC3_TRBSTS_SETUP_PENDING 2 + +/* TRB Control */ +#define DWC3_TRB_CTRL_HWO (1 << 0) +#define DWC3_TRB_CTRL_LST (1 << 1) +#define DWC3_TRB_CTRL_CHN (1 << 2) +#define DWC3_TRB_CTRL_CSP (1 << 3) +#define DWC3_TRB_CTRL_TRBCTL(n) (((n) & 0x3f) << 4) +#define DWC3_TRB_CTRL_ISP_IMI (1 << 10) +#define DWC3_TRB_CTRL_IOC (1 << 11) +#define DWC3_TRB_CTRL_SID_SOFN(n) (((n) & 0xffff) << 14) + +#define DWC3_TRBCTL_NORMAL DWC3_TRB_CTRL_TRBCTL(1) +#define DWC3_TRBCTL_CONTROL_SETUP DWC3_TRB_CTRL_TRBCTL(2) +#define DWC3_TRBCTL_CONTROL_STATUS2 DWC3_TRB_CTRL_TRBCTL(3) +#define DWC3_TRBCTL_CONTROL_STATUS3 DWC3_TRB_CTRL_TRBCTL(4) +#define DWC3_TRBCTL_CONTROL_DATA DWC3_TRB_CTRL_TRBCTL(5) +#define DWC3_TRBCTL_ISOCHRONOUS_FIRST DWC3_TRB_CTRL_TRBCTL(6) +#define DWC3_TRBCTL_ISOCHRONOUS DWC3_TRB_CTRL_TRBCTL(7) +#define DWC3_TRBCTL_LINK_TRB DWC3_TRB_CTRL_TRBCTL(8) /** - * struct dwc3_trb_hw - transfer request block (hw format) + * struct dwc3_trb - transfer request block (hw format) * @bpl: DW0-3 * @bph: DW4-7 * @size: DW8-B * @trl: DWC-F */ -struct dwc3_trb_hw { - __le32 bpl; - __le32 bph; - __le32 size; - __le32 ctrl; +struct dwc3_trb { + u32 bpl; + u32 bph; + u32 size; + u32 ctrl; } __packed; -static inline void dwc3_trb_to_hw(struct dwc3_trb *nat, struct dwc3_trb_hw *hw) -{ - hw->bpl = cpu_to_le32(lower_32_bits(nat->bplh)); - hw->bph = cpu_to_le32(upper_32_bits(nat->bplh)); - hw->size = cpu_to_le32p(&nat->len_pcm); - /* HWO is written last */ - hw->ctrl = cpu_to_le32p(&nat->control); -} - -static inline void dwc3_trb_to_nat(struct dwc3_trb_hw *hw, struct dwc3_trb *nat) -{ - u64 bplh; - - bplh = le32_to_cpup(&hw->bpl); - bplh |= (u64) le32_to_cpup(&hw->bph) << 32; - nat->bplh = bplh; - - nat->len_pcm = le32_to_cpup(&hw->size); - nat->control = le32_to_cpup(&hw->ctrl); -} - /** * dwc3_hwparams - copy of HWPARAMS registers * @hwparams0 - GHWPARAMS0 @@ -546,8 +507,13 @@ struct dwc3_hwparams { #define DWC3_MODE_DRD 2 #define DWC3_MODE_HUB 3 +#define DWC3_MDWIDTH(n) (((n) & 0xff00) >> 8) + /* HWPARAMS1 */ -#define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15) +#define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15) + +/* HWPARAMS7 */ +#define DWC3_RAM1_DEPTH(n) ((n) & 0xffff) struct dwc3_request { struct usb_request request; @@ -555,7 +521,7 @@ struct dwc3_request { struct dwc3_ep *dep; u8 epnum; - struct dwc3_trb_hw *trb; + struct dwc3_trb *trb; dma_addr_t trb_dma; unsigned direction:1; @@ -572,7 +538,6 @@ struct dwc3_request { * @ctrl_req_addr: dma address of ctrl_req * @ep0_trb: dma address of ep0_trb * @ep0_usb_req: dummy req used while handling STD USB requests - * @setup_buf_addr: dma address of setup_buf * @ep0_bounce_addr: dma address of ep0_bounce * @lock: for synchronizing * @dev: pointer to our struct device @@ -594,6 +559,8 @@ struct dwc3_request { * @ep0_expect_in: true when we expect a DATA IN transfer * @start_config_issued: true when StartConfig command has been issued * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround + * @needs_fifo_resize: not all users might want fifo resizing, flag it + * @resize_fifos: tells us it's ok to reconfigure our TxFIFO sizes. * @ep0_next_event: hold the next expected event * @ep0state: state of endpoint zero * @link_state: link state @@ -604,12 +571,11 @@ struct dwc3_request { */ struct dwc3 { struct usb_ctrlrequest *ctrl_req; - struct dwc3_trb_hw *ep0_trb; + struct dwc3_trb *ep0_trb; void *ep0_bounce; u8 *setup_buf; dma_addr_t ctrl_req_addr; dma_addr_t ep0_trb_addr; - dma_addr_t setup_buf_addr; dma_addr_t ep0_bounce_addr; struct dwc3_request ep0_usb_req; /* device lock */ @@ -651,6 +617,8 @@ struct dwc3 { unsigned start_config_issued:1; unsigned setup_packet_pending:1; unsigned delayed_status:1; + unsigned needs_fifo_resize:1; + unsigned resize_fifos:1; enum dwc3_ep0_next ep0_next_event; enum dwc3_ep0_state ep0state; @@ -662,23 +630,13 @@ struct dwc3 { struct dwc3_hwparams hwparams; struct dentry *root; + + u8 test_mode; + u8 test_mode_nr; }; /* -------------------------------------------------------------------------- */ -#define DWC3_TRBSTS_OK 0 -#define DWC3_TRBSTS_MISSED_ISOC 1 -#define DWC3_TRBSTS_SETUP_PENDING 2 - -#define DWC3_TRBCTL_NORMAL 1 -#define DWC3_TRBCTL_CONTROL_SETUP 2 -#define DWC3_TRBCTL_CONTROL_STATUS2 3 -#define DWC3_TRBCTL_CONTROL_STATUS3 4 -#define DWC3_TRBCTL_CONTROL_DATA 5 -#define DWC3_TRBCTL_ISOCHRONOUS_FIRST 6 -#define DWC3_TRBCTL_ISOCHRONOUS 7 -#define DWC3_TRBCTL_LINK_TRB 8 - /* -------------------------------------------------------------------------- */ struct dwc3_event_type { @@ -719,9 +677,14 @@ struct dwc3_event_depevt { u32 endpoint_event:4; u32 reserved11_10:2; u32 status:4; -#define DEPEVT_STATUS_BUSERR (1 << 0) -#define DEPEVT_STATUS_SHORT (1 << 1) -#define DEPEVT_STATUS_IOC (1 << 2) + +/* Within XferNotReady */ +#define DEPEVT_STATUS_TRANSFER_ACTIVE (1 << 3) + +/* Within XferComplete */ +#define DEPEVT_STATUS_BUSERR (1 << 0) +#define DEPEVT_STATUS_SHORT (1 << 1) +#define DEPEVT_STATUS_IOC (1 << 2) #define DEPEVT_STATUS_LST (1 << 3) /* Stream event only */ @@ -807,6 +770,7 @@ union dwc3_event { /* prototypes */ void dwc3_set_mode(struct dwc3 *dwc, u32 mode); +int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc); int dwc3_host_init(struct dwc3 *dwc); void dwc3_host_exit(struct dwc3 *dwc); diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 433c97c15fc..d4a30f11872 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -46,6 +46,8 @@ #include <linux/delay.h> #include <linux/uaccess.h> +#include <linux/usb/ch9.h> + #include "core.h" #include "gadget.h" #include "io.h" @@ -464,6 +466,192 @@ static const struct file_operations dwc3_mode_fops = { .release = single_release, }; +static int dwc3_testmode_show(struct seq_file *s, void *unused) +{ + struct dwc3 *dwc = s->private; + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&dwc->lock, flags); + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + reg &= DWC3_DCTL_TSTCTRL_MASK; + reg >>= 1; + spin_unlock_irqrestore(&dwc->lock, flags); + + switch (reg) { + case 0: + seq_printf(s, "no test\n"); + break; + case TEST_J: + seq_printf(s, "test_j\n"); + break; + case TEST_K: + seq_printf(s, "test_k\n"); + break; + case TEST_SE0_NAK: + seq_printf(s, "test_se0_nak\n"); + break; + case TEST_PACKET: + seq_printf(s, "test_packet\n"); + break; + case TEST_FORCE_EN: + seq_printf(s, "test_force_enable\n"); + break; + default: + seq_printf(s, "UNKNOWN %d\n", reg); + } + + return 0; +} + +static int dwc3_testmode_open(struct inode *inode, struct file *file) +{ + return single_open(file, dwc3_testmode_show, inode->i_private); +} + +static ssize_t dwc3_testmode_write(struct file *file, + const char __user *ubuf, size_t count, loff_t *ppos) +{ + struct seq_file *s = file->private_data; + struct dwc3 *dwc = s->private; + unsigned long flags; + u32 testmode = 0; + char buf[32]; + + if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + return -EFAULT; + + if (!strncmp(buf, "test_j", 6)) + testmode = TEST_J; + else if (!strncmp(buf, "test_k", 6)) + testmode = TEST_K; + else if (!strncmp(buf, "test_se0_nak", 12)) + testmode = TEST_SE0_NAK; + else if (!strncmp(buf, "test_packet", 11)) + testmode = TEST_PACKET; + else if (!strncmp(buf, "test_force_enable", 17)) + testmode = TEST_FORCE_EN; + else + testmode = 0; + + spin_lock_irqsave(&dwc->lock, flags); + dwc3_gadget_set_test_mode(dwc, testmode); + spin_unlock_irqrestore(&dwc->lock, flags); + + return count; +} + +static const struct file_operations dwc3_testmode_fops = { + .open = dwc3_testmode_open, + .write = dwc3_testmode_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int dwc3_link_state_show(struct seq_file *s, void *unused) +{ + struct dwc3 *dwc = s->private; + unsigned long flags; + enum dwc3_link_state state; + u32 reg; + + spin_lock_irqsave(&dwc->lock, flags); + reg = dwc3_readl(dwc->regs, DWC3_DSTS); + state = DWC3_DSTS_USBLNKST(reg); + spin_unlock_irqrestore(&dwc->lock, flags); + + switch (state) { + case DWC3_LINK_STATE_U0: + seq_printf(s, "U0\n"); + break; + case DWC3_LINK_STATE_U1: + seq_printf(s, "U1\n"); + break; + case DWC3_LINK_STATE_U2: + seq_printf(s, "U2\n"); + break; + case DWC3_LINK_STATE_U3: + seq_printf(s, "U3\n"); + break; + case DWC3_LINK_STATE_SS_DIS: + seq_printf(s, "SS.Disabled\n"); + break; + case DWC3_LINK_STATE_RX_DET: + seq_printf(s, "Rx.Detect\n"); + break; + case DWC3_LINK_STATE_SS_INACT: + seq_printf(s, "SS.Inactive\n"); + break; + case DWC3_LINK_STATE_POLL: + seq_printf(s, "Poll\n"); + break; + case DWC3_LINK_STATE_RECOV: + seq_printf(s, "Recovery\n"); + break; + case DWC3_LINK_STATE_HRESET: + seq_printf(s, "HRESET\n"); + break; + case DWC3_LINK_STATE_CMPLY: + seq_printf(s, "Compliance\n"); + break; + case DWC3_LINK_STATE_LPBK: + seq_printf(s, "Loopback\n"); + break; + default: + seq_printf(s, "UNKNOWN %d\n", reg); + } + + return 0; +} + +static int dwc3_link_state_open(struct inode *inode, struct file *file) +{ + return single_open(file, dwc3_link_state_show, inode->i_private); +} + +static ssize_t dwc3_link_state_write(struct file *file, + const char __user *ubuf, size_t count, loff_t *ppos) +{ + struct seq_file *s = file->private_data; + struct dwc3 *dwc = s->private; + unsigned long flags; + enum dwc3_link_state state = 0; + char buf[32]; + + if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + return -EFAULT; + + if (!strncmp(buf, "SS.Disabled", 11)) + state = DWC3_LINK_STATE_SS_DIS; + else if (!strncmp(buf, "Rx.Detect", 9)) + state = DWC3_LINK_STATE_RX_DET; + else if (!strncmp(buf, "SS.Inactive", 11)) + state = DWC3_LINK_STATE_SS_INACT; + else if (!strncmp(buf, "Recovery", 8)) + state = DWC3_LINK_STATE_RECOV; + else if (!strncmp(buf, "Compliance", 10)) + state = DWC3_LINK_STATE_CMPLY; + else if (!strncmp(buf, "Loopback", 8)) + state = DWC3_LINK_STATE_LPBK; + else + return -EINVAL; + + spin_lock_irqsave(&dwc->lock, flags); + dwc3_gadget_set_link_state(dwc, state); + spin_unlock_irqrestore(&dwc->lock, flags); + + return count; +} + +static const struct file_operations dwc3_link_state_fops = { + .open = dwc3_link_state_open, + .write = dwc3_link_state_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + int __devinit dwc3_debugfs_init(struct dwc3 *dwc) { struct dentry *root; @@ -471,8 +659,8 @@ int __devinit dwc3_debugfs_init(struct dwc3 *dwc) int ret; root = debugfs_create_dir(dev_name(dwc->dev), NULL); - if (IS_ERR(root)) { - ret = PTR_ERR(root); + if (!root) { + ret = -ENOMEM; goto err0; } @@ -480,15 +668,29 @@ int __devinit dwc3_debugfs_init(struct dwc3 *dwc) file = debugfs_create_file("regdump", S_IRUGO, root, dwc, &dwc3_regdump_fops); - if (IS_ERR(file)) { - ret = PTR_ERR(file); + if (!file) { + ret = -ENOMEM; goto err1; } file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, dwc, &dwc3_mode_fops); - if (IS_ERR(file)) { - ret = PTR_ERR(file); + if (!file) { + ret = -ENOMEM; + goto err1; + } + + file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, + dwc, &dwc3_testmode_fops); + if (!file) { + ret = -ENOMEM; + goto err1; + } + + file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, + dwc, &dwc3_link_state_fops); + if (!file) { + ret = -ENOMEM; goto err1; } diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c new file mode 100644 index 00000000000..d1903019808 --- /dev/null +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -0,0 +1,151 @@ +/** + * dwc3-exynos.c - Samsung EXYNOS DWC3 Specific Glue layer + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Author: Anton Tikhomirov <av.tikhomirov@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/platform_data/dwc3-exynos.h> +#include <linux/dma-mapping.h> +#include <linux/module.h> +#include <linux/clk.h> + +#include "core.h" + +struct dwc3_exynos { + struct platform_device *dwc3; + struct device *dev; + + struct clk *clk; +}; + +static int __devinit dwc3_exynos_probe(struct platform_device *pdev) +{ + struct dwc3_exynos_data *pdata = pdev->dev.platform_data; + struct platform_device *dwc3; + struct dwc3_exynos *exynos; + struct clk *clk; + + int devid; + int ret = -ENOMEM; + + exynos = kzalloc(sizeof(*exynos), GFP_KERNEL); + if (!exynos) { + dev_err(&pdev->dev, "not enough memory\n"); + goto err0; + } + + platform_set_drvdata(pdev, exynos); + + devid = dwc3_get_device_id(); + if (devid < 0) + goto err1; + + dwc3 = platform_device_alloc("dwc3", devid); + if (!dwc3) { + dev_err(&pdev->dev, "couldn't allocate dwc3 device\n"); + goto err2; + } + + clk = clk_get(&pdev->dev, "usbdrd30"); + if (IS_ERR(clk)) { + dev_err(&pdev->dev, "couldn't get clock\n"); + ret = -EINVAL; + goto err3; + } + + dma_set_coherent_mask(&dwc3->dev, pdev->dev.coherent_dma_mask); + + dwc3->dev.parent = &pdev->dev; + dwc3->dev.dma_mask = pdev->dev.dma_mask; + dwc3->dev.dma_parms = pdev->dev.dma_parms; + exynos->dwc3 = dwc3; + exynos->dev = &pdev->dev; + exynos->clk = clk; + + clk_enable(exynos->clk); + + /* PHY initialization */ + if (!pdata) { + dev_dbg(&pdev->dev, "missing platform data\n"); + } else { + if (pdata->phy_init) + pdata->phy_init(pdev, pdata->phy_type); + } + + ret = platform_device_add_resources(dwc3, pdev->resource, + pdev->num_resources); + if (ret) { + dev_err(&pdev->dev, "couldn't add resources to dwc3 device\n"); + goto err4; + } + + ret = platform_device_add(dwc3); + if (ret) { + dev_err(&pdev->dev, "failed to register dwc3 device\n"); + goto err4; + } + + return 0; + +err4: + if (pdata && pdata->phy_exit) + pdata->phy_exit(pdev, pdata->phy_type); + + clk_disable(clk); + clk_put(clk); +err3: + platform_device_put(dwc3); +err2: + dwc3_put_device_id(devid); +err1: + kfree(exynos); +err0: + return ret; +} + +static int __devexit dwc3_exynos_remove(struct platform_device *pdev) +{ + struct dwc3_exynos *exynos = platform_get_drvdata(pdev); + struct dwc3_exynos_data *pdata = pdev->dev.platform_data; + + platform_device_unregister(exynos->dwc3); + + dwc3_put_device_id(exynos->dwc3->id); + + if (pdata && pdata->phy_exit) + pdata->phy_exit(pdev, pdata->phy_type); + + clk_disable(exynos->clk); + clk_put(exynos->clk); + + kfree(exynos); + + return 0; +} + +static struct platform_driver dwc3_exynos_driver = { + .probe = dwc3_exynos_probe, + .remove = __devexit_p(dwc3_exynos_remove), + .driver = { + .name = "exynos-dwc3", + }, +}; + +module_platform_driver(dwc3_exynos_driver); + +MODULE_ALIAS("platform:exynos-dwc3"); +MODULE_AUTHOR("Anton Tikhomirov <av.tikhomirov@samsung.com>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("DesignWare USB3 EXYNOS Glue Layer"); diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 3274ac8f120..d7d9c0ec951 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -46,7 +46,7 @@ #include <linux/dma-mapping.h> #include <linux/ioport.h> #include <linux/io.h> -#include <linux/module.h> +#include <linux/of.h> #include "core.h" #include "io.h" @@ -197,91 +197,99 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap) static int __devinit dwc3_omap_probe(struct platform_device *pdev) { struct dwc3_omap_data *pdata = pdev->dev.platform_data; + struct device_node *node = pdev->dev.of_node; + struct platform_device *dwc3; struct dwc3_omap *omap; struct resource *res; + struct device *dev = &pdev->dev; int devid; + int size; int ret = -ENOMEM; int irq; + const u32 *utmi_mode; u32 reg; void __iomem *base; void *context; - omap = kzalloc(sizeof(*omap), GFP_KERNEL); + omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL); if (!omap) { - dev_err(&pdev->dev, "not enough memory\n"); - goto err0; + dev_err(dev, "not enough memory\n"); + return -ENOMEM; } platform_set_drvdata(pdev, omap); irq = platform_get_irq(pdev, 1); if (irq < 0) { - dev_err(&pdev->dev, "missing IRQ resource\n"); - ret = -EINVAL; - goto err1; + dev_err(dev, "missing IRQ resource\n"); + return -EINVAL; } res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!res) { - dev_err(&pdev->dev, "missing memory base resource\n"); - ret = -EINVAL; - goto err1; + dev_err(dev, "missing memory base resource\n"); + return -EINVAL; } - base = ioremap_nocache(res->start, resource_size(res)); + base = devm_ioremap_nocache(dev, res->start, resource_size(res)); if (!base) { - dev_err(&pdev->dev, "ioremap failed\n"); - goto err1; + dev_err(dev, "ioremap failed\n"); + return -ENOMEM; } devid = dwc3_get_device_id(); if (devid < 0) - goto err2; + return -ENODEV; dwc3 = platform_device_alloc("dwc3", devid); if (!dwc3) { - dev_err(&pdev->dev, "couldn't allocate dwc3 device\n"); - goto err3; + dev_err(dev, "couldn't allocate dwc3 device\n"); + goto err1; } - context = kzalloc(resource_size(res), GFP_KERNEL); + context = devm_kzalloc(dev, resource_size(res), GFP_KERNEL); if (!context) { - dev_err(&pdev->dev, "couldn't allocate dwc3 context memory\n"); - goto err4; + dev_err(dev, "couldn't allocate dwc3 context memory\n"); + goto err2; } spin_lock_init(&omap->lock); - dma_set_coherent_mask(&dwc3->dev, pdev->dev.coherent_dma_mask); + dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask); - dwc3->dev.parent = &pdev->dev; - dwc3->dev.dma_mask = pdev->dev.dma_mask; - dwc3->dev.dma_parms = pdev->dev.dma_parms; + dwc3->dev.parent = dev; + dwc3->dev.dma_mask = dev->dma_mask; + dwc3->dev.dma_parms = dev->dma_parms; omap->resource_size = resource_size(res); omap->context = context; - omap->dev = &pdev->dev; + omap->dev = dev; omap->irq = irq; omap->base = base; omap->dwc3 = dwc3; reg = dwc3_readl(omap->base, USBOTGSS_UTMI_OTG_STATUS); - if (!pdata) { - dev_dbg(&pdev->dev, "missing platform data\n"); + utmi_mode = of_get_property(node, "utmi-mode", &size); + if (utmi_mode && size == sizeof(*utmi_mode)) { + reg |= *utmi_mode; } else { - switch (pdata->utmi_mode) { - case DWC3_OMAP_UTMI_MODE_SW: - reg |= USBOTGSS_UTMI_OTG_STATUS_SW_MODE; - break; - case DWC3_OMAP_UTMI_MODE_HW: - reg &= ~USBOTGSS_UTMI_OTG_STATUS_SW_MODE; - break; - default: - dev_dbg(&pdev->dev, "UNKNOWN utmi mode %d\n", - pdata->utmi_mode); + if (!pdata) { + dev_dbg(dev, "missing platform data\n"); + } else { + switch (pdata->utmi_mode) { + case DWC3_OMAP_UTMI_MODE_SW: + reg |= USBOTGSS_UTMI_OTG_STATUS_SW_MODE; + break; + case DWC3_OMAP_UTMI_MODE_HW: + reg &= ~USBOTGSS_UTMI_OTG_STATUS_SW_MODE; + break; + default: + dev_dbg(dev, "UNKNOWN utmi mode %d\n", + pdata->utmi_mode); + } } } @@ -300,12 +308,12 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) dwc3_writel(omap->base, USBOTGSS_SYSCONFIG, reg); - ret = request_irq(omap->irq, dwc3_omap_interrupt, 0, + ret = devm_request_irq(dev, omap->irq, dwc3_omap_interrupt, 0, "dwc3-omap", omap); if (ret) { - dev_err(&pdev->dev, "failed to request IRQ #%d --> %d\n", + dev_err(dev, "failed to request IRQ #%d --> %d\n", omap->irq, ret); - goto err5; + goto err2; } /* enable all IRQs */ @@ -327,37 +335,24 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) ret = platform_device_add_resources(dwc3, pdev->resource, pdev->num_resources); if (ret) { - dev_err(&pdev->dev, "couldn't add resources to dwc3 device\n"); - goto err6; + dev_err(dev, "couldn't add resources to dwc3 device\n"); + goto err2; } ret = platform_device_add(dwc3); if (ret) { - dev_err(&pdev->dev, "failed to register dwc3 device\n"); - goto err6; + dev_err(dev, "failed to register dwc3 device\n"); + goto err2; } return 0; -err6: - free_irq(omap->irq, omap); - -err5: - kfree(omap->context); - -err4: - platform_device_put(dwc3); - -err3: - dwc3_put_device_id(devid); - err2: - iounmap(base); + platform_device_put(dwc3); err1: - kfree(omap); + dwc3_put_device_id(devid); -err0: return ret; } @@ -368,11 +363,6 @@ static int __devexit dwc3_omap_remove(struct platform_device *pdev) platform_device_unregister(omap->dwc3); dwc3_put_device_id(omap->dwc3->id); - free_irq(omap->irq, omap); - iounmap(omap->base); - - kfree(omap->context); - kfree(omap); return 0; } diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index c68e4270457..a9ca9adba39 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -61,32 +61,36 @@ static int __devinit dwc3_pci_probe(struct pci_dev *pci, struct dwc3_pci *glue; int ret = -ENOMEM; int devid; + struct device *dev = &pci->dev; - glue = kzalloc(sizeof(*glue), GFP_KERNEL); + glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL); if (!glue) { - dev_err(&pci->dev, "not enough memory\n"); - goto err0; + dev_err(dev, "not enough memory\n"); + return -ENOMEM; } - glue->dev = &pci->dev; + glue->dev = dev; ret = pci_enable_device(pci); if (ret) { - dev_err(&pci->dev, "failed to enable pci device\n"); - goto err1; + dev_err(dev, "failed to enable pci device\n"); + return -ENODEV; } pci_set_power_state(pci, PCI_D0); pci_set_master(pci); devid = dwc3_get_device_id(); - if (devid < 0) - goto err2; + if (devid < 0) { + ret = -ENOMEM; + goto err1; + } dwc3 = platform_device_alloc("dwc3", devid); if (!dwc3) { - dev_err(&pci->dev, "couldn't allocate dwc3 device\n"); - goto err3; + dev_err(dev, "couldn't allocate dwc3 device\n"); + ret = -ENOMEM; + goto err1; } memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); @@ -102,41 +106,37 @@ static int __devinit dwc3_pci_probe(struct pci_dev *pci, ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res)); if (ret) { - dev_err(&pci->dev, "couldn't add resources to dwc3 device\n"); - goto err4; + dev_err(dev, "couldn't add resources to dwc3 device\n"); + goto err2; } pci_set_drvdata(pci, glue); - dma_set_coherent_mask(&dwc3->dev, pci->dev.coherent_dma_mask); + dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask); - dwc3->dev.dma_mask = pci->dev.dma_mask; - dwc3->dev.dma_parms = pci->dev.dma_parms; - dwc3->dev.parent = &pci->dev; - glue->dwc3 = dwc3; + dwc3->dev.dma_mask = dev->dma_mask; + dwc3->dev.dma_parms = dev->dma_parms; + dwc3->dev.parent = dev; + glue->dwc3 = dwc3; ret = platform_device_add(dwc3); if (ret) { - dev_err(&pci->dev, "failed to register dwc3 device\n"); - goto err4; + dev_err(dev, "failed to register dwc3 device\n"); + goto err3; } return 0; -err4: +err3: pci_set_drvdata(pci, NULL); platform_device_put(dwc3); -err3: - dwc3_put_device_id(devid); - err2: - pci_disable_device(pci); + dwc3_put_device_id(devid); err1: - kfree(glue); + pci_disable_device(pci); -err0: return ret; } @@ -148,7 +148,6 @@ static void __devexit dwc3_pci_remove(struct pci_dev *pci) platform_device_unregister(glue->dwc3); pci_set_drvdata(pci, NULL); pci_disable_device(pci); - kfree(glue); } static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = { diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index c8df1dd967e..25910e251c0 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -76,8 +76,7 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, u32 len, u32 type) { struct dwc3_gadget_ep_cmd_params params; - struct dwc3_trb_hw *trb_hw; - struct dwc3_trb trb; + struct dwc3_trb *trb; struct dwc3_ep *dep; int ret; @@ -88,19 +87,17 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, return 0; } - trb_hw = dwc->ep0_trb; - memset(&trb, 0, sizeof(trb)); + trb = dwc->ep0_trb; - trb.trbctl = type; - trb.bplh = buf_dma; - trb.length = len; + trb->bpl = lower_32_bits(buf_dma); + trb->bph = upper_32_bits(buf_dma); + trb->size = len; + trb->ctrl = type; - trb.hwo = 1; - trb.lst = 1; - trb.ioc = 1; - trb.isp_imi = 1; - - dwc3_trb_to_hw(&trb, trb_hw); + trb->ctrl |= (DWC3_TRB_CTRL_HWO + | DWC3_TRB_CTRL_LST + | DWC3_TRB_CTRL_IOC + | DWC3_TRB_CTRL_ISP_IMI); memset(¶ms, 0, sizeof(params)); params.param0 = upper_32_bits(dwc->ep0_trb_addr); @@ -302,7 +299,7 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc, dep = dwc->eps[0]; dwc->ep0_usb_req.dep = dep; dwc->ep0_usb_req.request.length = sizeof(*response_pkt); - dwc->ep0_usb_req.request.dma = dwc->setup_buf_addr; + dwc->ep0_usb_req.request.buf = dwc->setup_buf; dwc->ep0_usb_req.request.complete = dwc3_ep0_status_cmpl; return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req); @@ -315,9 +312,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, u32 recip; u32 wValue; u32 wIndex; - u32 reg; int ret; - u32 mode; wValue = le16_to_cpu(ctrl->wValue); wIndex = le16_to_cpu(ctrl->wIndex); @@ -356,25 +351,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, if (!set) return -EINVAL; - mode = wIndex >> 8; - reg = dwc3_readl(dwc->regs, DWC3_DCTL); - reg &= ~DWC3_DCTL_TSTCTRL_MASK; - - switch (mode) { - case TEST_J: - case TEST_K: - case TEST_SE0_NAK: - case TEST_PACKET: - case TEST_FORCE_EN: - reg |= mode << 1; - break; - default: - return -EINVAL; - } - dwc3_writel(dwc->regs, DWC3_DCTL, reg); - break; - default: - return -EINVAL; + dwc->test_mode_nr = wIndex >> 8; + dwc->test_mode = true; } break; @@ -396,7 +374,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, case USB_RECIP_ENDPOINT: switch (wValue) { case USB_ENDPOINT_HALT: - dep = dwc3_wIndex_to_dep(dwc, wIndex); + dep = dwc3_wIndex_to_dep(dwc, wIndex); if (!dep) return -EINVAL; ret = __dwc3_gadget_ep_set_halt(dep, set); @@ -470,8 +448,11 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) case DWC3_ADDRESS_STATE: ret = dwc3_ep0_delegate_req(dwc, ctrl); /* if the cfg matches and the cfg is non zero */ - if (!ret && cfg) + if (cfg && (!ret || (ret == USB_GADGET_DELAYED_STATUS))) { dwc->dev_state = DWC3_CONFIGURED_STATE; + dwc->resize_fifos = true; + dev_dbg(dwc->dev, "resize fifos flag SET\n"); + } break; case DWC3_CONFIGURED_STATE: @@ -560,9 +541,10 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, { struct dwc3_request *r = NULL; struct usb_request *ur; - struct dwc3_trb trb; + struct dwc3_trb *trb; struct dwc3_ep *ep0; u32 transferred; + u32 length; u8 epnum; epnum = event->endpoint_number; @@ -573,16 +555,16 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, r = next_request(&ep0->request_list); ur = &r->request; - dwc3_trb_to_nat(dwc->ep0_trb, &trb); + trb = dwc->ep0_trb; + length = trb->size & DWC3_TRB_SIZE_MASK; if (dwc->ep0_bounced) { - transferred = min_t(u32, ur->length, - ep0->endpoint.maxpacket - trb.length); + ep0->endpoint.maxpacket - length); memcpy(ur->buf, dwc->ep0_bounce, transferred); dwc->ep0_bounced = false; } else { - transferred = ur->length - trb.length; + transferred = ur->length - length; ur->actual += transferred; } @@ -614,6 +596,17 @@ static void dwc3_ep0_complete_req(struct dwc3 *dwc, dwc3_gadget_giveback(dep, r, 0); } + if (dwc->test_mode) { + int ret; + + ret = dwc3_gadget_set_test_mode(dwc, dwc->test_mode_nr); + if (ret < 0) { + dev_dbg(dwc->dev, "Invalid Test #%d\n", + dwc->test_mode_nr); + dwc3_ep0_stall_and_restart(dwc); + } + } + dwc->ep0state = EP0_SETUP_PHASE; dwc3_ep0_out_start(dwc); } @@ -624,6 +617,7 @@ static void dwc3_ep0_xfer_complete(struct dwc3 *dwc, struct dwc3_ep *dep = dwc->eps[event->endpoint_number]; dep->flags &= ~DWC3_EP_BUSY; + dep->res_trans_idx = 0; dwc->setup_packet_pending = false; switch (dwc->ep0state) { @@ -679,7 +673,12 @@ static void dwc3_ep0_do_control_data(struct dwc3 *dwc, DWC3_TRBCTL_CONTROL_DATA); } else if ((req->request.length % dep->endpoint.maxpacket) && (event->endpoint_number == 0)) { - dwc3_map_buffer_to_dma(req); + ret = usb_gadget_map_request(&dwc->gadget, &req->request, + event->endpoint_number); + if (ret) { + dev_dbg(dwc->dev, "failed to map request\n"); + return; + } WARN_ON(req->request.length > dep->endpoint.maxpacket); @@ -694,7 +693,12 @@ static void dwc3_ep0_do_control_data(struct dwc3 *dwc, dwc->ep0_bounce_addr, dep->endpoint.maxpacket, DWC3_TRBCTL_CONTROL_DATA); } else { - dwc3_map_buffer_to_dma(req); + ret = usb_gadget_map_request(&dwc->gadget, &req->request, + event->endpoint_number); + if (ret) { + dev_dbg(dwc->dev, "failed to map request\n"); + return; + } ret = dwc3_ep0_start_trans(dwc, event->endpoint_number, req->request.dma, req->request.length, @@ -720,6 +724,12 @@ static void dwc3_ep0_do_control_status(struct dwc3 *dwc, u32 epnum) { struct dwc3_ep *dep = dwc->eps[epnum]; + if (dwc->resize_fifos) { + dev_dbg(dwc->dev, "starting to resize fifos\n"); + dwc3_gadget_resize_tx_fifos(dwc); + dwc->resize_fifos = 0; + } + WARN_ON(dwc3_ep0_start_control_status(dep)); } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 064b6e2cd41..5255fe975ea 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -54,68 +54,162 @@ #include "gadget.h" #include "io.h" -#define DMA_ADDR_INVALID (~(dma_addr_t)0) - -void dwc3_map_buffer_to_dma(struct dwc3_request *req) +/** + * dwc3_gadget_set_test_mode - Enables USB2 Test Modes + * @dwc: pointer to our context structure + * @mode: the mode to set (J, K SE0 NAK, Force Enable) + * + * Caller should take care of locking. This function will + * return 0 on success or -EINVAL if wrong Test Selector + * is passed + */ +int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode) { - struct dwc3 *dwc = req->dep->dwc; + u32 reg; - if (req->request.length == 0) { - /* req->request.dma = dwc->setup_buf_addr; */ - return; + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + reg &= ~DWC3_DCTL_TSTCTRL_MASK; + + switch (mode) { + case TEST_J: + case TEST_K: + case TEST_SE0_NAK: + case TEST_PACKET: + case TEST_FORCE_EN: + reg |= mode << 1; + break; + default: + return -EINVAL; } - if (req->request.num_sgs) { - int mapped; + dwc3_writel(dwc->regs, DWC3_DCTL, reg); - mapped = dma_map_sg(dwc->dev, req->request.sg, - req->request.num_sgs, - req->direction ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); - if (mapped < 0) { - dev_err(dwc->dev, "failed to map SGs\n"); - return; - } + return 0; +} - req->request.num_mapped_sgs = mapped; - return; - } +/** + * dwc3_gadget_set_link_state - Sets USB Link to a particular State + * @dwc: pointer to our context structure + * @state: the state to put link into + * + * Caller should take care of locking. This function will + * return 0 on success or -ETIMEDOUT. + */ +int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) +{ + int retries = 10000; + u32 reg; + + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + reg &= ~DWC3_DCTL_ULSTCHNGREQ_MASK; - if (req->request.dma == DMA_ADDR_INVALID) { - req->request.dma = dma_map_single(dwc->dev, req->request.buf, - req->request.length, req->direction - ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - req->mapped = true; + /* set requested state */ + reg |= DWC3_DCTL_ULSTCHNGREQ(state); + dwc3_writel(dwc->regs, DWC3_DCTL, reg); + + /* wait for a change in DSTS */ + while (--retries) { + reg = dwc3_readl(dwc->regs, DWC3_DSTS); + + if (DWC3_DSTS_USBLNKST(reg) == state) + return 0; + + udelay(5); } + + dev_vdbg(dwc->dev, "link state change request timed out\n"); + + return -ETIMEDOUT; } -void dwc3_unmap_buffer_from_dma(struct dwc3_request *req) +/** + * dwc3_gadget_resize_tx_fifos - reallocate fifo spaces for current use-case + * @dwc: pointer to our context structure + * + * This function will a best effort FIFO allocation in order + * to improve FIFO usage and throughput, while still allowing + * us to enable as many endpoints as possible. + * + * Keep in mind that this operation will be highly dependent + * on the configured size for RAM1 - which contains TxFifo -, + * the amount of endpoints enabled on coreConsultant tool, and + * the width of the Master Bus. + * + * In the ideal world, we would always be able to satisfy the + * following equation: + * + * ((512 + 2 * MDWIDTH-Bytes) + (Number of IN Endpoints - 1) * \ + * (3 * (1024 + MDWIDTH-Bytes) + MDWIDTH-Bytes)) / MDWIDTH-Bytes + * + * Unfortunately, due to many variables that's not always the case. + */ +int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc) { - struct dwc3 *dwc = req->dep->dwc; + int last_fifo_depth = 0; + int ram1_depth; + int fifo_size; + int mdwidth; + int num; - if (req->request.length == 0) { - req->request.dma = DMA_ADDR_INVALID; - return; - } + if (!dwc->needs_fifo_resize) + return 0; - if (req->request.num_mapped_sgs) { - req->request.dma = DMA_ADDR_INVALID; - dma_unmap_sg(dwc->dev, req->request.sg, - req->request.num_mapped_sgs, - req->direction ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); + ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7); + mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - req->request.num_mapped_sgs = 0; - return; - } + /* MDWIDTH is represented in bits, we need it in bytes */ + mdwidth >>= 3; + + /* + * FIXME For now we will only allocate 1 wMaxPacketSize space + * for each enabled endpoint, later patches will come to + * improve this algorithm so that we better use the internal + * FIFO space + */ + for (num = 0; num < DWC3_ENDPOINTS_NUM; num++) { + struct dwc3_ep *dep = dwc->eps[num]; + int fifo_number = dep->number >> 1; + int mult = 1; + int tmp; + + if (!(dep->number & 1)) + continue; + + if (!(dep->flags & DWC3_EP_ENABLED)) + continue; + + if (usb_endpoint_xfer_bulk(dep->desc) + || usb_endpoint_xfer_isoc(dep->desc)) + mult = 3; + + /* + * REVISIT: the following assumes we will always have enough + * space available on the FIFO RAM for all possible use cases. + * Make sure that's true somehow and change FIFO allocation + * accordingly. + * + * If we have Bulk or Isochronous endpoints, we want + * them to be able to be very, very fast. So we're giving + * those endpoints a fifo_size which is enough for 3 full + * packets + */ + tmp = mult * (dep->endpoint.maxpacket + mdwidth); + tmp += mdwidth; + + fifo_size = DIV_ROUND_UP(tmp, mdwidth); + + fifo_size |= (last_fifo_depth << 16); + + dev_vdbg(dwc->dev, "%s: Fifo Addr %04x Size %d\n", + dep->name, last_fifo_depth, fifo_size & 0xffff); + + dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(fifo_number), + fifo_size); - if (req->mapped) { - dma_unmap_single(dwc->dev, req->request.dma, - req->request.length, req->direction - ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - req->mapped = 0; - req->request.dma = DMA_ADDR_INVALID; + last_fifo_depth += (fifo_size & 0xffff); } + + return 0; } void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, @@ -144,14 +238,15 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, if (req->request.status == -EINPROGRESS) req->request.status = status; - dwc3_unmap_buffer_from_dma(req); + usb_gadget_unmap_request(&dwc->gadget, &req->request, + req->direction); dev_dbg(dwc->dev, "request %p from %s completed %d/%d ===> %d\n", req, dep->name, req->request.actual, req->request.length, status); spin_unlock(&dwc->lock); - req->request.complete(&req->dep->endpoint, &req->request); + req->request.complete(&dep->endpoint, &req->request); spin_lock(&dwc->lock); } @@ -219,7 +314,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, } static dma_addr_t dwc3_trb_dma_offset(struct dwc3_ep *dep, - struct dwc3_trb_hw *trb) + struct dwc3_trb *trb) { u32 offset = (char *) trb - (char *) dep->trb_pool; @@ -368,9 +463,8 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, return ret; if (!(dep->flags & DWC3_EP_ENABLED)) { - struct dwc3_trb_hw *trb_st_hw; - struct dwc3_trb_hw *trb_link_hw; - struct dwc3_trb trb_link; + struct dwc3_trb *trb_st_hw; + struct dwc3_trb *trb_link; ret = dwc3_gadget_set_xfer_resource(dwc, dep); if (ret) @@ -390,15 +484,15 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, memset(&trb_link, 0, sizeof(trb_link)); - /* Link TRB for ISOC. The HWO but is never reset */ + /* Link TRB for ISOC. The HWO bit is never reset */ trb_st_hw = &dep->trb_pool[0]; - trb_link.bplh = dwc3_trb_dma_offset(dep, trb_st_hw); - trb_link.trbctl = DWC3_TRBCTL_LINK_TRB; - trb_link.hwo = true; + trb_link = &dep->trb_pool[DWC3_TRB_NUM - 1]; - trb_link_hw = &dep->trb_pool[DWC3_TRB_NUM - 1]; - dwc3_trb_to_hw(&trb_link, trb_link_hw); + trb_link->bpl = lower_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw)); + trb_link->bph = upper_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw)); + trb_link->ctrl |= DWC3_TRBCTL_LINK_TRB; + trb_link->ctrl |= DWC3_TRB_CTRL_HWO; } return 0; @@ -440,6 +534,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) dep->stream_capable = false; dep->desc = NULL; + dep->endpoint.desc = NULL; dep->comp_desc = NULL; dep->type = 0; dep->flags = 0; @@ -485,16 +580,16 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep, switch (usb_endpoint_type(desc)) { case USB_ENDPOINT_XFER_CONTROL: - strncat(dep->name, "-control", sizeof(dep->name)); + strlcat(dep->name, "-control", sizeof(dep->name)); break; case USB_ENDPOINT_XFER_ISOC: - strncat(dep->name, "-isoc", sizeof(dep->name)); + strlcat(dep->name, "-isoc", sizeof(dep->name)); break; case USB_ENDPOINT_XFER_BULK: - strncat(dep->name, "-bulk", sizeof(dep->name)); + strlcat(dep->name, "-bulk", sizeof(dep->name)); break; case USB_ENDPOINT_XFER_INT: - strncat(dep->name, "-int", sizeof(dep->name)); + strlcat(dep->name, "-int", sizeof(dep->name)); break; default: dev_err(dwc->dev, "invalid endpoint transfer type\n"); @@ -562,7 +657,6 @@ static struct usb_request *dwc3_gadget_ep_alloc_request(struct usb_ep *ep, req->epnum = dep->number; req->dep = dep; - req->request.dma = DMA_ADDR_INVALID; return &req->request; } @@ -585,8 +679,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, unsigned length, unsigned last, unsigned chain) { struct dwc3 *dwc = dep->dwc; - struct dwc3_trb_hw *trb_hw; - struct dwc3_trb trb; + struct dwc3_trb *trb; unsigned int cur_slot; @@ -595,7 +688,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, length, last ? " last" : "", chain ? " chain" : ""); - trb_hw = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK]; + trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK]; cur_slot = dep->free_slot; dep->free_slot++; @@ -604,40 +697,32 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, usb_endpoint_xfer_isoc(dep->desc)) return; - memset(&trb, 0, sizeof(trb)); if (!req->trb) { dwc3_gadget_move_request_queued(req); - req->trb = trb_hw; - req->trb_dma = dwc3_trb_dma_offset(dep, trb_hw); + req->trb = trb; + req->trb_dma = dwc3_trb_dma_offset(dep, trb); } - if (usb_endpoint_xfer_isoc(dep->desc)) { - trb.isp_imi = true; - trb.csp = true; - } else { - trb.chn = chain; - trb.lst = last; - } - - if (usb_endpoint_xfer_bulk(dep->desc) && dep->stream_capable) - trb.sid_sofn = req->request.stream_id; + trb->size = DWC3_TRB_SIZE_LENGTH(length); + trb->bpl = lower_32_bits(dma); + trb->bph = upper_32_bits(dma); switch (usb_endpoint_type(dep->desc)) { case USB_ENDPOINT_XFER_CONTROL: - trb.trbctl = DWC3_TRBCTL_CONTROL_SETUP; + trb->ctrl = DWC3_TRBCTL_CONTROL_SETUP; break; case USB_ENDPOINT_XFER_ISOC: - trb.trbctl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; + trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; /* IOC every DWC3_TRB_NUM / 4 so we can refill */ if (!(cur_slot % (DWC3_TRB_NUM / 4))) - trb.ioc = last; + trb->ctrl |= DWC3_TRB_CTRL_IOC; break; case USB_ENDPOINT_XFER_BULK: case USB_ENDPOINT_XFER_INT: - trb.trbctl = DWC3_TRBCTL_NORMAL; + trb->ctrl = DWC3_TRBCTL_NORMAL; break; default: /* @@ -647,11 +732,21 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, BUG(); } - trb.length = length; - trb.bplh = dma; - trb.hwo = true; + if (usb_endpoint_xfer_isoc(dep->desc)) { + trb->ctrl |= DWC3_TRB_CTRL_ISP_IMI; + trb->ctrl |= DWC3_TRB_CTRL_CSP; + } else { + if (chain) + trb->ctrl |= DWC3_TRB_CTRL_CHN; + + if (last) + trb->ctrl |= DWC3_TRB_CTRL_LST; + } - dwc3_trb_to_hw(&trb, trb_hw); + if (usb_endpoint_xfer_bulk(dep->desc) && dep->stream_capable) + trb->ctrl |= DWC3_TRB_CTRL_SID_SOFN(req->request.stream_id); + + trb->ctrl |= DWC3_TRB_CTRL_HWO; } /* @@ -659,14 +754,15 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, * @dep: endpoint for which requests are being prepared * @starting: true if the endpoint is idle and no requests are queued. * - * The functions goes through the requests list and setups TRBs for the - * transfers. The functions returns once there are not more TRBs available or - * it run out of requests. + * The function goes through the requests list and sets up TRBs for the + * transfers. The function returns once there are no more TRBs available or + * it runs out of requests. */ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) { struct dwc3_request *req, *n; u32 trbs_left; + u32 max; unsigned int last_one = 0; BUILD_BUG_ON_NOT_POWER_OF_2(DWC3_TRB_NUM); @@ -674,9 +770,16 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) /* the first request must not be queued */ trbs_left = (dep->busy_slot - dep->free_slot) & DWC3_TRB_MASK; + /* Can't wrap around on a non-isoc EP since there's no link TRB */ + if (!usb_endpoint_xfer_isoc(dep->desc)) { + max = DWC3_TRB_NUM - (dep->free_slot & DWC3_TRB_MASK); + if (trbs_left > max) + trbs_left = max; + } + /* - * if busy & slot are equal than it is either full or empty. If we are - * starting to proceed requests then we are empty. Otherwise we ar + * If busy & slot are equal than it is either full or empty. If we are + * starting to process requests then we are empty. Otherwise we are * full and don't do anything */ if (!trbs_left) { @@ -687,7 +790,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) * In case we start from scratch, we queue the ISOC requests * starting from slot 1. This is done because we use ring * buffer and have no LST bit to stop us. Instead, we place - * IOC bit TRB_NUM/4. We try to avoid to having an interrupt + * IOC bit every TRB_NUM/4. We try to avoid having an interrupt * after the first request so we start at slot 1 and have * 7 requests proceed before we hit the first IOC. * Other transfer types don't use the ring buffer and are @@ -723,8 +826,8 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) length = sg_dma_len(s); dma = sg_dma_address(s); - if (i == (request->num_mapped_sgs - 1) - || sg_is_last(s)) { + if (i == (request->num_mapped_sgs - 1) || + sg_is_last(s)) { last_one = true; chain = false; } @@ -792,8 +895,7 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, dwc3_prepare_trbs(dep, start_new); /* - * req points to the first request where HWO changed - * from 0 to 1 + * req points to the first request where HWO changed from 0 to 1 */ req = next_request(&dep->req_queued); } @@ -819,9 +921,10 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, /* * FIXME we need to iterate over the list of requests * here and stop, unmap, free and del each of the linked - * requests instead of we do now. + * requests instead of what we do now. */ - dwc3_unmap_buffer_from_dma(req); + usb_gadget_unmap_request(&dwc->gadget, &req->request, + req->direction); list_del(&req->list); return ret; } @@ -837,6 +940,9 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) { + struct dwc3 *dwc = dep->dwc; + int ret; + req->request.actual = 0; req->request.status = -EINPROGRESS; req->direction = dep->direction; @@ -852,9 +958,13 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) * particular token from the Host side. * * This will also avoid Host cancelling URBs due to too - * many NACKs. + * many NAKs. */ - dwc3_map_buffer_to_dma(req); + ret = usb_gadget_map_request(&dwc->gadget, &req->request, + dep->direction); + if (ret) + return ret; + list_add_tail(&req->list, &dep->request_list); /* @@ -874,11 +984,11 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) int start_trans; start_trans = 1; - if (usb_endpoint_xfer_isoc(dep->endpoint.desc) && - dep->flags & DWC3_EP_BUSY) + if (usb_endpoint_xfer_isoc(dep->desc) && + (dep->flags & DWC3_EP_BUSY)) start_trans = 0; - ret = __dwc3_gadget_kick_transfer(dep, 0, start_trans); + ret = __dwc3_gadget_kick_transfer(dep, 0, start_trans); if (ret && ret != -EBUSY) { struct dwc3 *dwc = dep->dwc; @@ -1031,8 +1141,12 @@ out: static int dwc3_gadget_ep_set_wedge(struct usb_ep *ep) { struct dwc3_ep *dep = to_dwc3_ep(ep); + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + spin_lock_irqsave(&dwc->lock, flags); dep->flags |= DWC3_EP_WEDGE; + spin_unlock_irqrestore(&dwc->lock, flags); return dwc3_gadget_ep_set_halt(ep, 1); } @@ -1122,26 +1236,20 @@ static int dwc3_gadget_wakeup(struct usb_gadget *g) goto out; } - reg = dwc3_readl(dwc->regs, DWC3_DCTL); - - /* - * Switch link state to Recovery. In HS/FS/LS this means - * RemoteWakeup Request - */ - reg |= DWC3_DCTL_ULSTCHNG_RECOVERY; - dwc3_writel(dwc->regs, DWC3_DCTL, reg); - - /* wait for at least 2000us */ - usleep_range(2000, 2500); + ret = dwc3_gadget_set_link_state(dwc, DWC3_LINK_STATE_RECOV); + if (ret < 0) { + dev_err(dwc->dev, "failed to put link in Recovery\n"); + goto out; + } /* write zeroes to Link Change Request */ reg &= ~DWC3_DCTL_ULSTCHNGREQ_MASK; dwc3_writel(dwc->regs, DWC3_DCTL, reg); - /* pool until Link State change to ON */ + /* poll until Link State changes to ON */ timeout = jiffies + msecs_to_jiffies(100); - while (!(time_after(jiffies, timeout))) { + while (!time_after(jiffies, timeout)) { reg = dwc3_readl(dwc->regs, DWC3_DSTS); /* in HS, means ON */ @@ -1164,8 +1272,11 @@ static int dwc3_gadget_set_selfpowered(struct usb_gadget *g, int is_selfpowered) { struct dwc3 *dwc = gadget_to_dwc(g); + unsigned long flags; + spin_lock_irqsave(&dwc->lock, flags); dwc->is_selfpowered = !!is_selfpowered; + spin_unlock_irqrestore(&dwc->lock, flags); return 0; } @@ -1176,10 +1287,13 @@ static void dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on) u32 timeout = 500; reg = dwc3_readl(dwc->regs, DWC3_DCTL); - if (is_on) - reg |= DWC3_DCTL_RUN_STOP; - else + if (is_on) { + reg &= ~DWC3_DCTL_TRGTULST_MASK; + reg |= (DWC3_DCTL_RUN_STOP + | DWC3_DCTL_TRGTULST_RX_DET); + } else { reg &= ~DWC3_DCTL_RUN_STOP; + } dwc3_writel(dwc->regs, DWC3_DCTL, reg); @@ -1386,7 +1500,7 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, const struct dwc3_event_depevt *event, int status) { struct dwc3_request *req; - struct dwc3_trb trb; + struct dwc3_trb *trb; unsigned int count; unsigned int s_pkt = 0; @@ -1397,20 +1511,20 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, return 1; } - dwc3_trb_to_nat(req->trb, &trb); + trb = req->trb; - if (trb.hwo && status != -ESHUTDOWN) + if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN) /* * We continue despite the error. There is not much we - * can do. If we don't clean in up we loop for ever. If - * we skip the TRB than it gets overwritten reused after - * a while since we use them in a ring buffer. a BUG() - * would help. Lets hope that if this occures, someone + * can do. If we don't clean it up we loop forever. If + * we skip the TRB then it gets overwritten after a + * while since we use them in a ring buffer. A BUG() + * would help. Lets hope that if this occurs, someone * fixes the root cause instead of looking away :) */ dev_err(dwc->dev, "%s's TRB (%p) still owned by HW\n", dep->name, req->trb); - count = trb.length; + count = trb->size & DWC3_TRB_SIZE_MASK; if (dep->direction) { if (count) { @@ -1434,13 +1548,16 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, dwc3_gadget_giveback(dep, req, status); if (s_pkt) break; - if ((event->status & DEPEVT_STATUS_LST) && trb.lst) + if ((event->status & DEPEVT_STATUS_LST) && + (trb->ctrl & DWC3_TRB_CTRL_LST)) break; - if ((event->status & DEPEVT_STATUS_IOC) && trb.ioc) + if ((event->status & DEPEVT_STATUS_IOC) && + (trb->ctrl & DWC3_TRB_CTRL_IOC)) break; } while (1); - if ((event->status & DEPEVT_STATUS_IOC) && trb.ioc) + if ((event->status & DEPEVT_STATUS_IOC) && + (trb->ctrl & DWC3_TRB_CTRL_IOC)) return 0; return 1; } @@ -1455,11 +1572,9 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc, if (event->status & DEPEVT_STATUS_BUSERR) status = -ECONNRESET; - clean_busy = dwc3_cleanup_done_reqs(dwc, dep, event, status); - if (clean_busy) { + clean_busy = dwc3_cleanup_done_reqs(dwc, dep, event, status); + if (clean_busy) dep->flags &= ~DWC3_EP_BUSY; - dep->res_trans_idx = 0; - } /* * WORKAROUND: This is the 2nd half of U1/U2 -> U0 workaround. @@ -1490,7 +1605,7 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc, static void dwc3_gadget_start_isoc(struct dwc3 *dwc, struct dwc3_ep *dep, const struct dwc3_event_depevt *event) { - u32 uf; + u32 uf, mask; if (list_empty(&dep->request_list)) { dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n", @@ -1498,16 +1613,10 @@ static void dwc3_gadget_start_isoc(struct dwc3 *dwc, return; } - if (event->parameters) { - u32 mask; - - mask = ~(dep->interval - 1); - uf = event->parameters & mask; - /* 4 micro frames in the future */ - uf += dep->interval * 4; - } else { - uf = 0; - } + mask = ~(dep->interval - 1); + uf = event->parameters & mask; + /* 4 micro frames in the future */ + uf += dep->interval * 4; __dwc3_gadget_kick_transfer(dep, uf, 1); } @@ -1519,8 +1628,8 @@ static void dwc3_process_ep_cmd_complete(struct dwc3_ep *dep, struct dwc3_event_depevt mod_ev = *event; /* - * We were asked to remove one requests. It is possible that this - * request and a few other were started together and have the same + * We were asked to remove one request. It is possible that this + * request and a few others were started together and have the same * transfer index. Since we stopped the complete endpoint we don't * know how many requests were already completed (and not yet) * reported and how could be done (later). We purge them all until @@ -1529,7 +1638,7 @@ static void dwc3_process_ep_cmd_complete(struct dwc3_ep *dep, mod_ev.status = DEPEVT_STATUS_LST; dwc3_cleanup_done_reqs(dwc, dep, &mod_ev, -ESHUTDOWN); dep->flags &= ~DWC3_EP_BUSY; - /* pending requets are ignored and are queued on XferNotReady */ + /* pending requests are ignored and are queued on XferNotReady */ } static void dwc3_ep_cmd_compl(struct dwc3_ep *dep, @@ -1570,6 +1679,8 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, switch (event->endpoint_event) { case DWC3_DEPEVT_XFERCOMPLETE: + dep->res_trans_idx = 0; + if (usb_endpoint_xfer_isoc(dep->desc)) { dev_dbg(dwc->dev, "%s is an Isochronous endpoint\n", dep->name); @@ -1594,7 +1705,8 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, int ret; dev_vdbg(dwc->dev, "%s: reason %s\n", - dep->name, event->status + dep->name, event->status & + DEPEVT_STATUS_TRANSFER_ACTIVE ? "Transfer Active" : "Transfer Not Active"); @@ -1805,6 +1917,7 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) reg = dwc3_readl(dwc->regs, DWC3_DCTL); reg &= ~DWC3_DCTL_TSTCTRL_MASK; dwc3_writel(dwc->regs, DWC3_DCTL, reg); + dwc->test_mode = false; dwc3_stop_active_transfers(dwc); dwc3_clear_stall_all_ep(dwc); @@ -2082,7 +2195,8 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) while (left > 0) { union dwc3_event event; - memcpy(&event.raw, (evt->buf + evt->lpos), sizeof(event.raw)); + event.raw = *(u32 *) (evt->buf + evt->lpos); + dwc3_process_event_entry(dwc, &event); /* * XXX we wrap around correctly to the next entry as almost all @@ -2123,7 +2237,7 @@ static irqreturn_t dwc3_interrupt(int irq, void *_dwc) /** * dwc3_gadget_init - Initializes gadget related registers - * @dwc: Pointer to out controller context structure + * @dwc: pointer to our controller context structure * * Returns 0 on success otherwise negative errno. */ @@ -2149,9 +2263,8 @@ int __devinit dwc3_gadget_init(struct dwc3 *dwc) goto err1; } - dwc->setup_buf = dma_alloc_coherent(dwc->dev, - sizeof(*dwc->setup_buf) * 2, - &dwc->setup_buf_addr, GFP_KERNEL); + dwc->setup_buf = kzalloc(sizeof(*dwc->setup_buf) * 2, + GFP_KERNEL); if (!dwc->setup_buf) { dev_err(dwc->dev, "failed to allocate setup buffer\n"); ret = -ENOMEM; @@ -2242,8 +2355,7 @@ err4: dwc->ep0_bounce_addr); err3: - dma_free_coherent(dwc->dev, sizeof(*dwc->setup_buf) * 2, - dwc->setup_buf, dwc->setup_buf_addr); + kfree(dwc->setup_buf); err2: dma_free_coherent(dwc->dev, sizeof(*dwc->ep0_trb), @@ -2272,8 +2384,7 @@ void dwc3_gadget_exit(struct dwc3 *dwc) dma_free_coherent(dwc->dev, 512, dwc->ep0_bounce, dwc->ep0_bounce_addr); - dma_free_coherent(dwc->dev, sizeof(*dwc->setup_buf) * 2, - dwc->setup_buf, dwc->setup_buf_addr); + kfree(dwc->setup_buf); dma_free_coherent(dwc->dev, sizeof(*dwc->ep0_trb), dwc->ep0_trb, dwc->ep0_trb_addr); diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index d97f467d41c..a8600084348 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -100,6 +100,9 @@ static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req) void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, int status); +int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode); +int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state); + void dwc3_ep0_interrupt(struct dwc3 *dwc, const struct dwc3_event_depevt *event); void dwc3_ep0_out_start(struct dwc3 *dwc); @@ -108,8 +111,6 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value); int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, unsigned cmd, struct dwc3_gadget_ep_cmd_params *params); -void dwc3_map_buffer_to_dma(struct dwc3_request *req); -void dwc3_unmap_buffer_from_dma(struct dwc3_request *req); /** * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index 7cfe211b6c3..b108d18fd40 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -53,7 +53,7 @@ int dwc3_host_init(struct dwc3 *dwc) struct platform_device *xhci; int ret; - xhci = platform_device_alloc("xhci", -1); + xhci = platform_device_alloc("xhci-hcd", -1); if (!xhci) { dev_err(dwc->dev, "couldn't allocate xHCI device\n"); ret = -ENOMEM; diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 7ecb68a6741..c14a3972953 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -599,16 +599,29 @@ config USB_AUDIO depends on SND select SND_PCM help - Gadget Audio is compatible with USB Audio Class specification 1.0. - It will include at least one AudioControl interface, zero or more - AudioStream interface and zero or more MIDIStream interface. - - Gadget Audio will use on-board ALSA (CONFIG_SND) audio card to - playback or capture audio stream. + This Gadget Audio driver is compatible with USB Audio Class + specification 2.0. It implements 1 AudioControl interface, + 1 AudioStreaming Interface each for USB-OUT and USB-IN. + Number of channels, sample rate and sample size can be + specified as module parameters. + This driver doesn't expect any real Audio codec to be present + on the device - the audio streams are simply sinked to and + sourced from a virtual ALSA sound card created. The user-space + application may choose to do whatever it wants with the data + received from the USB Host and choose to provide whatever it + wants as audio data to the USB Host. Say "y" to link the driver statically, or "m" to build a dynamically linked module called "g_audio". +config GADGET_UAC1 + bool "UAC 1.0 (Legacy)" + depends on USB_AUDIO + help + If you instead want older UAC Spec-1.0 driver that also has audio + paths hardwired to the Audio codec chip on-board and doesn't work + without one. + config USB_ETH tristate "Ethernet Gadget (with CDC Ethernet support)" depends on NET @@ -685,7 +698,7 @@ config USB_G_NCM help This driver implements USB CDC NCM subclass standard. NCM is an advanced protocol for Ethernet encapsulation, allows grouping - of several ethernet frames into one USB transfer and diffferent + of several ethernet frames into one USB transfer and different alignment possibilities. Say "y" to link the driver statically, or "m" to build a diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c index c16ff55a74e..2204a4c68d8 100644 --- a/drivers/usb/gadget/amd5536udc.c +++ b/drivers/usb/gadget/amd5536udc.c @@ -29,7 +29,7 @@ /* Driver strings */ #define UDC_MOD_DESCRIPTION "AMD 5536 UDC - USB Device Controller" -#define UDC_DRIVER_VERSION_STRING "01.00.0206 - $Revision: #3 $" +#define UDC_DRIVER_VERSION_STRING "01.00.0206" /* system */ #include <linux/module.h> @@ -140,7 +140,7 @@ static DECLARE_TASKLET(disconnect_tasklet, udc_tasklet_disconnect, /* endpoint names used for print */ static const char ep0_string[] = "ep0in"; -static const char *ep_string[] = { +static const char *const ep_string[] = { ep0_string, "ep1in-int", "ep2in-bulk", "ep3in-bulk", "ep4in-bulk", "ep5in-bulk", "ep6in-bulk", "ep7in-bulk", "ep8in-bulk", "ep9in-bulk", "ep10in-bulk", @@ -204,9 +204,8 @@ static void print_regs(struct udc *dev) DBG(dev, "DMA mode = BF (buffer fill mode)\n"); dev_info(&dev->pdev->dev, "DMA mode (%s)\n", "BF"); } - if (!use_dma) { + if (!use_dma) dev_info(&dev->pdev->dev, "FIFO mode\n"); - } DBG(dev, "-------------------------------------------------------\n"); } @@ -445,6 +444,7 @@ static void ep_init(struct udc_regs __iomem *regs, struct udc_ep *ep) VDBG(ep->dev, "ep-%d reset\n", ep->num); ep->desc = NULL; + ep->ep.desc = NULL; ep->ep.ops = &udc_ep_ops; INIT_LIST_HEAD(&ep->queue); @@ -569,9 +569,8 @@ udc_free_request(struct usb_ep *usbep, struct usb_request *usbreq) VDBG(ep->dev, "req->td_data=%p\n", req->td_data); /* free dma chain if created */ - if (req->chain_len > 1) { + if (req->chain_len > 1) udc_free_dma_chain(ep->dev, req); - } pci_pool_free(ep->dev->data_requests, req->td_data, req->td_phys); @@ -639,9 +638,8 @@ udc_txfifo_write(struct udc_ep *ep, struct usb_request *req) bytes = remaining; /* dwords first */ - for (i = 0; i < bytes / UDC_DWORD_BYTES; i++) { + for (i = 0; i < bytes / UDC_DWORD_BYTES; i++) writel(*(buf + i), ep->txfifo); - } /* remaining bytes must be written by byte access */ for (j = 0; j < bytes % UDC_DWORD_BYTES; j++) { @@ -660,9 +658,8 @@ static int udc_rxfifo_read_dwords(struct udc *dev, u32 *buf, int dwords) VDBG(dev, "udc_read_dwords(): %d dwords\n", dwords); - for (i = 0; i < dwords; i++) { + for (i = 0; i < dwords; i++) *(buf + i) = readl(dev->rxfifo); - } return 0; } @@ -675,9 +672,8 @@ static int udc_rxfifo_read_bytes(struct udc *dev, u8 *buf, int bytes) VDBG(dev, "udc_read_bytes(): %d bytes\n", bytes); /* dwords first */ - for (i = 0; i < bytes / UDC_DWORD_BYTES; i++) { + for (i = 0; i < bytes / UDC_DWORD_BYTES; i++) *((u32 *)(buf + (i<<2))) = readl(dev->rxfifo); - } /* remaining bytes must be read by byte access */ if (bytes % UDC_DWORD_BYTES) { @@ -831,20 +827,8 @@ __acquires(ep->dev->lock) dev = ep->dev; /* unmap DMA */ - if (req->dma_mapping) { - if (ep->in) - pci_unmap_single(dev->pdev, - req->req.dma, - req->req.length, - PCI_DMA_TODEVICE); - else - pci_unmap_single(dev->pdev, - req->req.dma, - req->req.length, - PCI_DMA_FROMDEVICE); - req->dma_mapping = 0; - req->req.dma = DMA_DONT_USE; - } + if (ep->dma) + usb_gadget_unmap_request(&dev->gadget, &req->req, ep->in); halted = ep->halted; ep->halted = 1; @@ -897,9 +881,8 @@ static struct udc_data_dma *udc_get_last_dma_desc(struct udc_request *req) struct udc_data_dma *td; td = req->td_data; - while (td && !(td->status & AMD_BIT(UDC_DMA_IN_STS_L))) { + while (td && !(td->status & AMD_BIT(UDC_DMA_IN_STS_L))) td = phys_to_virt(td->next); - } return td; @@ -949,21 +932,18 @@ static int udc_create_dma_chain( dma_addr = DMA_DONT_USE; /* unset L bit in first desc for OUT */ - if (!ep->in) { + if (!ep->in) req->td_data->status &= AMD_CLEAR_BIT(UDC_DMA_IN_STS_L); - } /* alloc only new desc's if not already available */ len = req->req.length / ep->ep.maxpacket; - if (req->req.length % ep->ep.maxpacket) { + if (req->req.length % ep->ep.maxpacket) len++; - } if (len > req->chain_len) { /* shorter chain already allocated before */ - if (req->chain_len > 1) { + if (req->chain_len > 1) udc_free_dma_chain(ep->dev, req); - } req->chain_len = len; create_new_chain = 1; } @@ -1006,11 +986,12 @@ static int udc_create_dma_chain( /* link td and assign tx bytes */ if (i == buf_len) { - if (create_new_chain) { + if (create_new_chain) req->td_data->next = dma_addr; - } else { - /* req->td_data->next = virt_to_phys(td); */ - } + /* + else + req->td_data->next = virt_to_phys(td); + */ /* write tx bytes */ if (ep->in) { /* first desc */ @@ -1024,11 +1005,12 @@ static int udc_create_dma_chain( UDC_DMA_IN_STS_TXBYTES); } } else { - if (create_new_chain) { + if (create_new_chain) last->next = dma_addr; - } else { - /* last->next = virt_to_phys(td); */ - } + /* + else + last->next = virt_to_phys(td); + */ if (ep->in) { /* write tx bytes */ td->status = AMD_ADDBITS(td->status, @@ -1095,20 +1077,11 @@ udc_queue(struct usb_ep *usbep, struct usb_request *usbreq, gfp_t gfp) return -ESHUTDOWN; /* map dma (usually done before) */ - if (ep->dma && usbreq->length != 0 - && (usbreq->dma == DMA_DONT_USE || usbreq->dma == 0)) { + if (ep->dma) { VDBG(dev, "DMA map req %p\n", req); - if (ep->in) - usbreq->dma = pci_map_single(dev->pdev, - usbreq->buf, - usbreq->length, - PCI_DMA_TODEVICE); - else - usbreq->dma = pci_map_single(dev->pdev, - usbreq->buf, - usbreq->length, - PCI_DMA_FROMDEVICE); - req->dma_mapping = 1; + retval = usb_gadget_map_request(&udc->gadget, usbreq, ep->in); + if (retval) + return retval; } VDBG(dev, "%s queue req %p, len %d req->td_data=%p buf %p\n", @@ -1479,11 +1452,10 @@ static int startup_registers(struct udc *dev) /* program speed */ tmp = readl(&dev->regs->cfg); - if (use_fullspeed) { + if (use_fullspeed) tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_FS, UDC_DEVCFG_SPD); - } else { + else tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_HS, UDC_DEVCFG_SPD); - } writel(tmp, &dev->regs->cfg); return 0; @@ -1504,9 +1476,8 @@ static void udc_basic_init(struct udc *dev) mod_timer(&udc_timer, jiffies - 1); } /* stop poll stall timer */ - if (timer_pending(&udc_pollstall_timer)) { + if (timer_pending(&udc_pollstall_timer)) mod_timer(&udc_pollstall_timer, jiffies - 1); - } /* disable DMA */ tmp = readl(&dev->regs->ctl); tmp &= AMD_UNMASK_BIT(UDC_DEVCTL_RDE); @@ -1540,11 +1511,10 @@ static void udc_setup_endpoints(struct udc *dev) /* read enum speed */ tmp = readl(&dev->regs->sts); tmp = AMD_GETBITS(tmp, UDC_DEVSTS_ENUM_SPEED); - if (tmp == UDC_DEVSTS_ENUM_SPEED_HIGH) { + if (tmp == UDC_DEVSTS_ENUM_SPEED_HIGH) dev->gadget.speed = USB_SPEED_HIGH; - } else if (tmp == UDC_DEVSTS_ENUM_SPEED_FULL) { + else if (tmp == UDC_DEVSTS_ENUM_SPEED_FULL) dev->gadget.speed = USB_SPEED_FULL; - } /* set basic ep parameters */ for (tmp = 0; tmp < UDC_EP_NUM; tmp++) { @@ -1570,9 +1540,8 @@ static void udc_setup_endpoints(struct udc *dev) * disabling ep interrupts when ENUM interrupt occurs but ep is * not enabled by gadget driver */ - if (!ep->desc) { + if (!ep->desc) ep_init(dev->regs, ep); - } if (use_dma) { /* @@ -1670,9 +1639,8 @@ static void udc_tasklet_disconnect(unsigned long par) spin_lock(&dev->lock); /* empty queues */ - for (tmp = 0; tmp < UDC_EP_NUM; tmp++) { + for (tmp = 0; tmp < UDC_EP_NUM; tmp++) empty_req_queue(&dev->ep[tmp]); - } } @@ -1746,9 +1714,8 @@ static void udc_timer_function(unsigned long v) * open the fifo */ udc_timer.expires = jiffies + HZ/UDC_RDE_TIMER_DIV; - if (!stop_timer) { + if (!stop_timer) add_timer(&udc_timer); - } } else { /* * fifo contains data now, setup timer for opening @@ -1760,9 +1727,8 @@ static void udc_timer_function(unsigned long v) set_rde++; /* debug: lhadmot_timer_start = 221070 */ udc_timer.expires = jiffies + HZ*UDC_RDE_TIMER_SECONDS; - if (!stop_timer) { + if (!stop_timer) add_timer(&udc_timer); - } } } else @@ -1907,19 +1873,17 @@ static void activate_control_endpoints(struct udc *dev) mod_timer(&udc_timer, jiffies - 1); } /* stop pollstall timer */ - if (timer_pending(&udc_pollstall_timer)) { + if (timer_pending(&udc_pollstall_timer)) mod_timer(&udc_pollstall_timer, jiffies - 1); - } /* enable DMA */ tmp = readl(&dev->regs->ctl); tmp |= AMD_BIT(UDC_DEVCTL_MODE) | AMD_BIT(UDC_DEVCTL_RDE) | AMD_BIT(UDC_DEVCTL_TDE); - if (use_dma_bufferfill_mode) { + if (use_dma_bufferfill_mode) tmp |= AMD_BIT(UDC_DEVCTL_BF); - } else if (use_dma_ppb_du) { + else if (use_dma_ppb_du) tmp |= AMD_BIT(UDC_DEVCTL_DU); - } writel(tmp, &dev->regs->ctl); } @@ -2104,9 +2068,8 @@ static void udc_ep0_set_rde(struct udc *dev) udc_timer.expires = jiffies + HZ/UDC_RDE_TIMER_DIV; set_rde = 1; - if (!stop_timer) { + if (!stop_timer) add_timer(&udc_timer); - } } } } @@ -2131,7 +2094,7 @@ static irqreturn_t udc_data_out_isr(struct udc *dev, int ep_ix) if (use_dma) { /* BNA event ? */ if (tmp & AMD_BIT(UDC_EPSTS_BNA)) { - DBG(dev, "BNA ep%dout occurred - DESPTR = %x \n", + DBG(dev, "BNA ep%dout occurred - DESPTR = %x\n", ep->num, readl(&ep->regs->desptr)); /* clear BNA */ writel(tmp | AMD_BIT(UDC_EPSTS_BNA), &ep->regs->sts); @@ -2294,9 +2257,8 @@ static irqreturn_t udc_data_out_isr(struct udc *dev, int ep_ix) jiffies + HZ*UDC_RDE_TIMER_SECONDS; set_rde = 1; - if (!stop_timer) { + if (!stop_timer) add_timer(&udc_timer); - } } if (ep->num != UDC_EP0OUT_IX) dev->data_ep_queued = 0; @@ -2318,9 +2280,8 @@ static irqreturn_t udc_data_out_isr(struct udc *dev, int ep_ix) /* check pending CNAKS */ if (cnak_pending) { /* CNAk processing when rxfifo empty only */ - if (readl(&dev->regs->sts) & AMD_BIT(UDC_DEVSTS_RXFIFO_EMPTY)) { + if (readl(&dev->regs->sts) & AMD_BIT(UDC_DEVSTS_RXFIFO_EMPTY)) udc_process_cnak_queue(dev); - } } /* clear OUT bits in ep status */ @@ -2348,7 +2309,7 @@ static irqreturn_t udc_data_in_isr(struct udc *dev, int ep_ix) /* BNA ? */ if (epsts & AMD_BIT(UDC_EPSTS_BNA)) { dev_err(&dev->pdev->dev, - "BNA ep%din occurred - DESPTR = %08lx \n", + "BNA ep%din occurred - DESPTR = %08lx\n", ep->num, (unsigned long) readl(&ep->regs->desptr)); @@ -2361,7 +2322,7 @@ static irqreturn_t udc_data_in_isr(struct udc *dev, int ep_ix) /* HE event ? */ if (epsts & AMD_BIT(UDC_EPSTS_HE)) { dev_err(&dev->pdev->dev, - "HE ep%dn occurred - DESPTR = %08lx \n", + "HE ep%dn occurred - DESPTR = %08lx\n", ep->num, (unsigned long) readl(&ep->regs->desptr)); /* clear HE */ @@ -2427,9 +2388,9 @@ static irqreturn_t udc_data_in_isr(struct udc *dev, int ep_ix) /* write fifo */ udc_txfifo_write(ep, &req->req); len = req->req.length - req->req.actual; - if (len > ep->ep.maxpacket) - len = ep->ep.maxpacket; - req->req.actual += len; + if (len > ep->ep.maxpacket) + len = ep->ep.maxpacket; + req->req.actual += len; if (req->req.actual == req->req.length || (len != ep->ep.maxpacket)) { /* complete req */ @@ -2581,9 +2542,8 @@ __acquires(dev->lock) if (!timer_pending(&udc_timer)) { udc_timer.expires = jiffies + HZ/UDC_RDE_TIMER_DIV; - if (!stop_timer) { + if (!stop_timer) add_timer(&udc_timer); - } } } @@ -2697,9 +2657,8 @@ __acquires(dev->lock) /* check pending CNAKS */ if (cnak_pending) { /* CNAk processing when rxfifo empty only */ - if (readl(&dev->regs->sts) & AMD_BIT(UDC_DEVSTS_RXFIFO_EMPTY)) { + if (readl(&dev->regs->sts) & AMD_BIT(UDC_DEVSTS_RXFIFO_EMPTY)) udc_process_cnak_queue(dev); - } } finished: @@ -2723,7 +2682,7 @@ static irqreturn_t udc_control_in_isr(struct udc *dev) tmp = readl(&dev->ep[UDC_EP0IN_IX].regs->sts); /* DMA completion */ if (tmp & AMD_BIT(UDC_EPSTS_TDC)) { - VDBG(dev, "isr: TDC clear \n"); + VDBG(dev, "isr: TDC clear\n"); ret_val = IRQ_HANDLED; /* clear TDC bit */ @@ -3426,7 +3385,7 @@ static int udc_remote_wakeup(struct udc *dev) } /* PCI device parameters */ -static const struct pci_device_id pci_id[] = { +static DEFINE_PCI_DEVICE_TABLE(pci_id) = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x2096), .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 143a7256b59..15a8cdb2ded 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -29,7 +29,6 @@ #include <linux/clk.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -#include <linux/prefetch.h> #include <asm/byteorder.h> #include <mach/hardware.h> @@ -558,6 +557,7 @@ static int at91_ep_disable (struct usb_ep * _ep) /* restore the endpoint's pristine config */ ep->desc = NULL; + ep->ep.desc = NULL; ep->ep.maxpacket = ep->maxpacket; /* reset fifos and endpoint */ diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index e2fb6d583bd..5e10f651ad6 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -659,6 +659,7 @@ static int usba_ep_disable(struct usb_ep *_ep) return -EINVAL; } ep->desc = NULL; + ep->ep.desc = NULL; list_splice_init(&ep->queue, &req_list); if (ep->can_dma) { diff --git a/drivers/usb/gadget/audio.c b/drivers/usb/gadget/audio.c index 9d89ae4765a..98899244860 100644 --- a/drivers/usb/gadget/audio.c +++ b/drivers/usb/gadget/audio.c @@ -14,10 +14,8 @@ #include <linux/kernel.h> #include <linux/utsname.h> -#include "u_audio.h" - #define DRIVER_DESC "Linux USB Audio Gadget" -#define DRIVER_VERSION "Dec 18, 2008" +#define DRIVER_VERSION "Feb 2, 2012" /*-------------------------------------------------------------------------*/ @@ -33,8 +31,36 @@ #include "config.c" #include "epautoconf.c" -#include "u_audio.c" -#include "f_audio.c" +/* string IDs are assigned dynamically */ + +#define STRING_MANUFACTURER_IDX 0 +#define STRING_PRODUCT_IDX 1 + +static char manufacturer[50]; + +static struct usb_string strings_dev[] = { + [STRING_MANUFACTURER_IDX].s = manufacturer, + [STRING_PRODUCT_IDX].s = DRIVER_DESC, + { } /* end of list */ +}; + +static struct usb_gadget_strings stringtab_dev = { + .language = 0x0409, /* en-us */ + .strings = strings_dev, +}; + +static struct usb_gadget_strings *audio_strings[] = { + &stringtab_dev, + NULL, +}; + +#ifdef CONFIG_GADGET_UAC1 +#include "u_uac1.h" +#include "u_uac1.c" +#include "f_uac1.c" +#else +#include "f_uac2.c" +#endif /*-------------------------------------------------------------------------*/ @@ -54,9 +80,15 @@ static struct usb_device_descriptor device_desc = { .bcdUSB = __constant_cpu_to_le16(0x200), +#ifdef CONFIG_GADGET_UAC1 .bDeviceClass = USB_CLASS_PER_INTERFACE, .bDeviceSubClass = 0, .bDeviceProtocol = 0, +#else + .bDeviceClass = USB_CLASS_MISC, + .bDeviceSubClass = 0x02, + .bDeviceProtocol = 0x01, +#endif /* .bMaxPacketSize0 = f(hardware) */ /* Vendor and product id defaults change according to what configs @@ -108,6 +140,9 @@ static struct usb_configuration audio_config_driver = { .bConfigurationValue = 1, /* .iConfiguration = DYNAMIC */ .bmAttributes = USB_CONFIG_ATT_SELFPOWER, +#ifndef CONFIG_GADGET_UAC1 + .unbind = uac2_unbind_config, +#endif }; /*-------------------------------------------------------------------------*/ @@ -157,7 +192,9 @@ fail: static int __exit audio_unbind(struct usb_composite_dev *cdev) { +#ifdef CONFIG_GADGET_UAC1 gaudio_cleanup(); +#endif return 0; } diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c index 1fc612914c5..d07e44c05e9 100644 --- a/drivers/usb/gadget/ci13xxx_msm.c +++ b/drivers/usb/gadget/ci13xxx_msm.c @@ -37,10 +37,10 @@ static void ci13xxx_msm_notify_event(struct ci13xxx *udc, unsigned event) * Put the transceiver in non-driving mode. Otherwise host * may not detect soft-disconnection. */ - val = otg_io_read(udc->transceiver, ULPI_FUNC_CTRL); + val = usb_phy_io_read(udc->transceiver, ULPI_FUNC_CTRL); val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - otg_io_write(udc->transceiver, val, ULPI_FUNC_CTRL); + usb_phy_io_write(udc->transceiver, val, ULPI_FUNC_CTRL); break; default: dev_dbg(dev, "unknown ci13xxx_udc event\n"); diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 27e31371842..243ef1adf96 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -2181,6 +2181,7 @@ static int ep_disable(struct usb_ep *ep) } while (mEp->dir != direction); mEp->desc = NULL; + mEp->ep.desc = NULL; spin_unlock_irqrestore(mEp->lock, flags); return retval; @@ -2537,7 +2538,7 @@ static int ci13xxx_vbus_draw(struct usb_gadget *_gadget, unsigned mA) struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget); if (udc->transceiver) - return otg_set_power(udc->transceiver, mA); + return usb_phy_set_power(udc->transceiver, mA); return -ENOTSUPP; } @@ -2900,7 +2901,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, if (retval < 0) goto free_udc; - udc->transceiver = otg_get_transceiver(); + udc->transceiver = usb_get_transceiver(); if (udc->udc_driver->flags & CI13XXX_REQUIRE_TRANSCEIVER) { if (udc->transceiver == NULL) { @@ -2928,7 +2929,8 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, goto unreg_device; if (udc->transceiver) { - retval = otg_set_peripheral(udc->transceiver, &udc->gadget); + retval = otg_set_peripheral(udc->transceiver->otg, + &udc->gadget); if (retval) goto remove_dbg; } @@ -2945,8 +2947,8 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, remove_trans: if (udc->transceiver) { - otg_set_peripheral(udc->transceiver, &udc->gadget); - otg_put_transceiver(udc->transceiver); + otg_set_peripheral(udc->transceiver->otg, &udc->gadget); + usb_put_transceiver(udc->transceiver); } err("error = %i", retval); @@ -2958,7 +2960,7 @@ unreg_device: device_unregister(&udc->gadget.dev); put_transceiver: if (udc->transceiver) - otg_put_transceiver(udc->transceiver); + usb_put_transceiver(udc->transceiver); free_udc: kfree(udc); _udc = NULL; @@ -2981,8 +2983,8 @@ static void udc_remove(void) usb_del_gadget_udc(&udc->gadget); if (udc->transceiver) { - otg_set_peripheral(udc->transceiver, &udc->gadget); - otg_put_transceiver(udc->transceiver); + otg_set_peripheral(udc->transceiver->otg, &udc->gadget); + usb_put_transceiver(udc->transceiver); } #ifdef CONFIG_USB_GADGET_DEBUG_FILES dbg_remove_files(&udc->gadget.dev); diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h index f4871e1fac5..0d31af56c98 100644 --- a/drivers/usb/gadget/ci13xxx_udc.h +++ b/drivers/usb/gadget/ci13xxx_udc.h @@ -136,7 +136,7 @@ struct ci13xxx { struct usb_gadget_driver *driver; /* 3rd party gadget driver */ struct ci13xxx_udc_driver *udc_driver; /* device controller driver */ int vbus_active; /* is VBUS active */ - struct otg_transceiver *transceiver; /* Transceiver struct */ + struct usb_phy *transceiver; /* Transceiver struct */ }; /****************************************************************************** diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index db815c2da7e..e1cd56c5e2a 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -39,27 +39,27 @@ #include <linux/usb.h> #include <linux/usb/gadget.h> #include <linux/usb/hcd.h> +#include <linux/scatterlist.h> #include <asm/byteorder.h> -#include <asm/io.h> +#include <linux/io.h> #include <asm/irq.h> #include <asm/system.h> #include <asm/unaligned.h> - #define DRIVER_DESC "USB Host+Gadget Emulator" #define DRIVER_VERSION "02 May 2005" #define POWER_BUDGET 500 /* in mA; use 8 for low-power port testing */ -static const char driver_name [] = "dummy_hcd"; -static const char driver_desc [] = "USB Host+Gadget Emulator"; +static const char driver_name[] = "dummy_hcd"; +static const char driver_desc[] = "USB Host+Gadget Emulator"; -static const char gadget_name [] = "dummy_udc"; +static const char gadget_name[] = "dummy_udc"; -MODULE_DESCRIPTION (DRIVER_DESC); -MODULE_AUTHOR ("David Brownell"); -MODULE_LICENSE ("GPL"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("David Brownell"); +MODULE_LICENSE("GPL"); struct dummy_hcd_module_parameters { bool is_super_speed; @@ -83,10 +83,11 @@ struct dummy_ep { struct usb_gadget *gadget; const struct usb_endpoint_descriptor *desc; struct usb_ep ep; - unsigned halted : 1; - unsigned wedged : 1; - unsigned already_seen : 1; - unsigned setup_stage : 1; + unsigned halted:1; + unsigned wedged:1; + unsigned already_seen:1; + unsigned setup_stage:1; + unsigned stream_en:1; }; struct dummy_request { @@ -94,15 +95,15 @@ struct dummy_request { struct usb_request req; }; -static inline struct dummy_ep *usb_ep_to_dummy_ep (struct usb_ep *_ep) +static inline struct dummy_ep *usb_ep_to_dummy_ep(struct usb_ep *_ep) { - return container_of (_ep, struct dummy_ep, ep); + return container_of(_ep, struct dummy_ep, ep); } static inline struct dummy_request *usb_request_to_dummy_request (struct usb_request *_req) { - return container_of (_req, struct dummy_request, req); + return container_of(_req, struct dummy_request, req); } /*-------------------------------------------------------------------------*/ @@ -121,9 +122,9 @@ static inline struct dummy_request *usb_request_to_dummy_request * configurations, illegal or unsupported packet lengths, and so on. */ -static const char ep0name [] = "ep0"; +static const char ep0name[] = "ep0"; -static const char *const ep_name [] = { +static const char *const ep_name[] = { ep0name, /* everyone has ep0 */ /* act like a net2280: high speed, six configurable endpoints */ @@ -147,6 +148,8 @@ static const char *const ep_name [] = { struct urbp { struct urb *urb; struct list_head urbp_list; + struct sg_mapping_iter miter; + u32 miter_started; }; @@ -166,6 +169,8 @@ struct dummy_hcd { struct usb_device *udev; struct list_head urbp_list; + u32 stream_en_ep; + u8 num_stream[30 / 2]; unsigned active:1; unsigned old_active:1; @@ -178,12 +183,12 @@ struct dummy { /* * SLAVE/GADGET side support */ - struct dummy_ep ep [DUMMY_ENDPOINTS]; + struct dummy_ep ep[DUMMY_ENDPOINTS]; int address; struct usb_gadget gadget; struct usb_gadget_driver *driver; struct dummy_request fifo_req; - u8 fifo_buf [FIFO_SIZE]; + u8 fifo_buf[FIFO_SIZE]; u16 devstatus; unsigned udc_suspended:1; unsigned pullup:1; @@ -210,14 +215,14 @@ static inline struct device *dummy_dev(struct dummy_hcd *dum) return dummy_hcd_to_hcd(dum)->self.controller; } -static inline struct device *udc_dev (struct dummy *dum) +static inline struct device *udc_dev(struct dummy *dum) { return dum->gadget.dev.parent; } -static inline struct dummy *ep_to_dummy (struct dummy_ep *ep) +static inline struct dummy *ep_to_dummy(struct dummy_ep *ep) { - return container_of (ep->gadget, struct dummy, gadget); + return container_of(ep->gadget, struct dummy, gadget); } static inline struct dummy_hcd *gadget_to_dummy_hcd(struct usb_gadget *gadget) @@ -229,9 +234,9 @@ static inline struct dummy_hcd *gadget_to_dummy_hcd(struct usb_gadget *gadget) return dum->hs_hcd; } -static inline struct dummy *gadget_dev_to_dummy (struct device *dev) +static inline struct dummy *gadget_dev_to_dummy(struct device *dev) { - return container_of (dev, struct dummy, gadget.dev); + return container_of(dev, struct dummy, gadget.dev); } static struct dummy the_controller; @@ -241,24 +246,23 @@ static struct dummy the_controller; /* SLAVE/GADGET SIDE UTILITY ROUTINES */ /* called with spinlock held */ -static void nuke (struct dummy *dum, struct dummy_ep *ep) +static void nuke(struct dummy *dum, struct dummy_ep *ep) { - while (!list_empty (&ep->queue)) { + while (!list_empty(&ep->queue)) { struct dummy_request *req; - req = list_entry (ep->queue.next, struct dummy_request, queue); - list_del_init (&req->queue); + req = list_entry(ep->queue.next, struct dummy_request, queue); + list_del_init(&req->queue); req->req.status = -ESHUTDOWN; - spin_unlock (&dum->lock); - req->req.complete (&ep->ep, &req->req); - spin_lock (&dum->lock); + spin_unlock(&dum->lock); + req->req.complete(&ep->ep, &req->req); + spin_lock(&dum->lock); } } /* caller must hold lock */ -static void -stop_activity (struct dummy *dum) +static void stop_activity(struct dummy *dum) { struct dummy_ep *ep; @@ -268,8 +272,8 @@ stop_activity (struct dummy *dum) /* The timer is left running so that outstanding URBs can fail */ /* nuke any pending requests first, so driver i/o is quiesced */ - list_for_each_entry (ep, &dum->gadget.ep_list, ep.ep_list) - nuke (dum, ep); + list_for_each_entry(ep, &dum->gadget.ep_list, ep.ep_list) + nuke(dum, ep); /* driver now does any non-usb quiescing necessary */ } @@ -404,8 +408,8 @@ static void set_link_state(struct dummy_hcd *dum_hcd) #define is_enabled(dum) \ (dum->port_status & USB_PORT_STAT_ENABLE) -static int -dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) +static int dummy_enable(struct usb_ep *_ep, + const struct usb_endpoint_descriptor *desc) { struct dummy *dum; struct dummy_hcd *dum_hcd; @@ -413,11 +417,11 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) unsigned max; int retval; - ep = usb_ep_to_dummy_ep (_ep); + ep = usb_ep_to_dummy_ep(_ep); if (!_ep || !desc || ep->desc || _ep->name == ep0name || desc->bDescriptorType != USB_DT_ENDPOINT) return -EINVAL; - dum = ep_to_dummy (ep); + dum = ep_to_dummy(ep); if (!dum->driver) return -ESHUTDOWN; @@ -441,10 +445,10 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) * especially for "ep9out" style fixed function ones.) */ retval = -EINVAL; - switch (desc->bmAttributes & 0x03) { + switch (usb_endpoint_type(desc)) { case USB_ENDPOINT_XFER_BULK: - if (strstr (ep->ep.name, "-iso") - || strstr (ep->ep.name, "-int")) { + if (strstr(ep->ep.name, "-iso") + || strstr(ep->ep.name, "-int")) { goto done; } switch (dum->gadget.speed) { @@ -466,7 +470,7 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) } break; case USB_ENDPOINT_XFER_INT: - if (strstr (ep->ep.name, "-iso")) /* bulk is ok */ + if (strstr(ep->ep.name, "-iso")) /* bulk is ok */ goto done; /* real hardware might not handle all packet sizes */ switch (dum->gadget.speed) { @@ -486,8 +490,8 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) } break; case USB_ENDPOINT_XFER_ISOC: - if (strstr (ep->ep.name, "-bulk") - || strstr (ep->ep.name, "-int")) + if (strstr(ep->ep.name, "-bulk") + || strstr(ep->ep.name, "-int")) goto done; /* real hardware might not handle all packet sizes */ switch (dum->gadget.speed) { @@ -510,14 +514,22 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) } _ep->maxpacket = max; + if (usb_ss_max_streams(_ep->comp_desc)) { + if (!usb_endpoint_xfer_bulk(desc)) { + dev_err(udc_dev(dum), "Can't enable stream support on " + "non-bulk ep %s\n", _ep->name); + return -EINVAL; + } + ep->stream_en = 1; + } ep->desc = desc; - dev_dbg (udc_dev(dum), "enabled %s (ep%d%s-%s) maxpacket %d\n", + dev_dbg(udc_dev(dum), "enabled %s (ep%d%s-%s) maxpacket %d stream %s\n", _ep->name, desc->bEndpointAddress & 0x0f, (desc->bEndpointAddress & USB_DIR_IN) ? "in" : "out", ({ char *val; - switch (desc->bmAttributes & 0x03) { + switch (usb_endpoint_type(desc)) { case USB_ENDPOINT_XFER_BULK: val = "bulk"; break; @@ -531,7 +543,7 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) val = "ctrl"; break; }; val; }), - max); + max, ep->stream_en ? "enabled" : "disabled"); /* at this point real hardware should be NAKing transfers * to that endpoint, until a buffer is queued to it. @@ -542,67 +554,67 @@ done: return retval; } -static int dummy_disable (struct usb_ep *_ep) +static int dummy_disable(struct usb_ep *_ep) { struct dummy_ep *ep; struct dummy *dum; unsigned long flags; int retval; - ep = usb_ep_to_dummy_ep (_ep); + ep = usb_ep_to_dummy_ep(_ep); if (!_ep || !ep->desc || _ep->name == ep0name) return -EINVAL; - dum = ep_to_dummy (ep); + dum = ep_to_dummy(ep); - spin_lock_irqsave (&dum->lock, flags); + spin_lock_irqsave(&dum->lock, flags); ep->desc = NULL; + ep->stream_en = 0; retval = 0; - nuke (dum, ep); - spin_unlock_irqrestore (&dum->lock, flags); + nuke(dum, ep); + spin_unlock_irqrestore(&dum->lock, flags); - dev_dbg (udc_dev(dum), "disabled %s\n", _ep->name); + dev_dbg(udc_dev(dum), "disabled %s\n", _ep->name); return retval; } -static struct usb_request * -dummy_alloc_request (struct usb_ep *_ep, gfp_t mem_flags) +static struct usb_request *dummy_alloc_request(struct usb_ep *_ep, + gfp_t mem_flags) { struct dummy_ep *ep; struct dummy_request *req; if (!_ep) return NULL; - ep = usb_ep_to_dummy_ep (_ep); + ep = usb_ep_to_dummy_ep(_ep); req = kzalloc(sizeof(*req), mem_flags); if (!req) return NULL; - INIT_LIST_HEAD (&req->queue); + INIT_LIST_HEAD(&req->queue); return &req->req; } -static void -dummy_free_request (struct usb_ep *_ep, struct usb_request *_req) +static void dummy_free_request(struct usb_ep *_ep, struct usb_request *_req) { struct dummy_ep *ep; struct dummy_request *req; - ep = usb_ep_to_dummy_ep (_ep); - if (!ep || !_req || (!ep->desc && _ep->name != ep0name)) + if (!_ep || !_req) + return; + ep = usb_ep_to_dummy_ep(_ep); + if (!ep->desc && _ep->name != ep0name) return; - req = usb_request_to_dummy_request (_req); - WARN_ON (!list_empty (&req->queue)); - kfree (req); + req = usb_request_to_dummy_request(_req); + WARN_ON(!list_empty(&req->queue)); + kfree(req); } -static void -fifo_complete (struct usb_ep *ep, struct usb_request *req) +static void fifo_complete(struct usb_ep *ep, struct usb_request *req) { } -static int -dummy_queue (struct usb_ep *_ep, struct usb_request *_req, +static int dummy_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t mem_flags) { struct dummy_ep *ep; @@ -611,49 +623,48 @@ dummy_queue (struct usb_ep *_ep, struct usb_request *_req, struct dummy_hcd *dum_hcd; unsigned long flags; - req = usb_request_to_dummy_request (_req); - if (!_req || !list_empty (&req->queue) || !_req->complete) + req = usb_request_to_dummy_request(_req); + if (!_req || !list_empty(&req->queue) || !_req->complete) return -EINVAL; - ep = usb_ep_to_dummy_ep (_ep); + ep = usb_ep_to_dummy_ep(_ep); if (!_ep || (!ep->desc && _ep->name != ep0name)) return -EINVAL; - dum = ep_to_dummy (ep); + dum = ep_to_dummy(ep); dum_hcd = gadget_to_dummy_hcd(&dum->gadget); if (!dum->driver || !is_enabled(dum_hcd)) return -ESHUTDOWN; #if 0 - dev_dbg (udc_dev(dum), "ep %p queue req %p to %s, len %d buf %p\n", + dev_dbg(udc_dev(dum), "ep %p queue req %p to %s, len %d buf %p\n", ep, _req, _ep->name, _req->length, _req->buf); #endif - _req->status = -EINPROGRESS; _req->actual = 0; - spin_lock_irqsave (&dum->lock, flags); + spin_lock_irqsave(&dum->lock, flags); /* implement an emulated single-request FIFO */ if (ep->desc && (ep->desc->bEndpointAddress & USB_DIR_IN) && - list_empty (&dum->fifo_req.queue) && - list_empty (&ep->queue) && + list_empty(&dum->fifo_req.queue) && + list_empty(&ep->queue) && _req->length <= FIFO_SIZE) { req = &dum->fifo_req; req->req = *_req; req->req.buf = dum->fifo_buf; - memcpy (dum->fifo_buf, _req->buf, _req->length); + memcpy(dum->fifo_buf, _req->buf, _req->length); req->req.context = dum; req->req.complete = fifo_complete; list_add_tail(&req->queue, &ep->queue); - spin_unlock (&dum->lock); + spin_unlock(&dum->lock); _req->actual = _req->length; _req->status = 0; - _req->complete (_ep, _req); - spin_lock (&dum->lock); + _req->complete(_ep, _req); + spin_lock(&dum->lock); } else list_add_tail(&req->queue, &ep->queue); - spin_unlock_irqrestore (&dum->lock, flags); + spin_unlock_irqrestore(&dum->lock, flags); /* real hardware would likely enable transfers here, in case * it'd been left NAKing. @@ -661,7 +672,7 @@ dummy_queue (struct usb_ep *_ep, struct usb_request *_req, return 0; } -static int dummy_dequeue (struct usb_ep *_ep, struct usb_request *_req) +static int dummy_dequeue(struct usb_ep *_ep, struct usb_request *_req) { struct dummy_ep *ep; struct dummy *dum; @@ -671,31 +682,31 @@ static int dummy_dequeue (struct usb_ep *_ep, struct usb_request *_req) if (!_ep || !_req) return retval; - ep = usb_ep_to_dummy_ep (_ep); - dum = ep_to_dummy (ep); + ep = usb_ep_to_dummy_ep(_ep); + dum = ep_to_dummy(ep); if (!dum->driver) return -ESHUTDOWN; - local_irq_save (flags); - spin_lock (&dum->lock); - list_for_each_entry (req, &ep->queue, queue) { + local_irq_save(flags); + spin_lock(&dum->lock); + list_for_each_entry(req, &ep->queue, queue) { if (&req->req == _req) { - list_del_init (&req->queue); + list_del_init(&req->queue); _req->status = -ECONNRESET; retval = 0; break; } } - spin_unlock (&dum->lock); + spin_unlock(&dum->lock); if (retval == 0) { - dev_dbg (udc_dev(dum), + dev_dbg(udc_dev(dum), "dequeued req %p from %s, len %d buf %p\n", req, _ep->name, _req->length, _req->buf); - _req->complete (_ep, _req); + _req->complete(_ep, _req); } - local_irq_restore (flags); + local_irq_restore(flags); return retval; } @@ -707,14 +718,14 @@ dummy_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged) if (!_ep) return -EINVAL; - ep = usb_ep_to_dummy_ep (_ep); - dum = ep_to_dummy (ep); + ep = usb_ep_to_dummy_ep(_ep); + dum = ep_to_dummy(ep); if (!dum->driver) return -ESHUTDOWN; if (!value) ep->halted = ep->wedged = 0; else if (ep->desc && (ep->desc->bEndpointAddress & USB_DIR_IN) && - !list_empty (&ep->queue)) + !list_empty(&ep->queue)) return -EAGAIN; else { ep->halted = 1; @@ -755,15 +766,15 @@ static const struct usb_ep_ops dummy_ep_ops = { /*-------------------------------------------------------------------------*/ /* there are both host and device side versions of this call ... */ -static int dummy_g_get_frame (struct usb_gadget *_gadget) +static int dummy_g_get_frame(struct usb_gadget *_gadget) { struct timeval tv; - do_gettimeofday (&tv); + do_gettimeofday(&tv); return tv.tv_usec / 1000; } -static int dummy_wakeup (struct usb_gadget *_gadget) +static int dummy_wakeup(struct usb_gadget *_gadget) { struct dummy_hcd *dum_hcd; @@ -786,11 +797,11 @@ static int dummy_wakeup (struct usb_gadget *_gadget) return 0; } -static int dummy_set_selfpowered (struct usb_gadget *_gadget, int value) +static int dummy_set_selfpowered(struct usb_gadget *_gadget, int value) { struct dummy *dum; - dum = (gadget_to_dummy_hcd(_gadget))->dum; + dum = gadget_to_dummy_hcd(_gadget)->dum; if (value) dum->devstatus |= (1 << USB_DEVICE_SELF_POWERED); else @@ -798,22 +809,15 @@ static int dummy_set_selfpowered (struct usb_gadget *_gadget, int value) return 0; } -static void dummy_udc_udpate_ep0(struct dummy *dum) +static void dummy_udc_update_ep0(struct dummy *dum) { - u32 i; - - if (dum->gadget.speed == USB_SPEED_SUPER) { - for (i = 0; i < DUMMY_ENDPOINTS; i++) - dum->ep[i].ep.max_streams = 0x10; + if (dum->gadget.speed == USB_SPEED_SUPER) dum->ep[0].ep.maxpacket = 9; - } else { - for (i = 0; i < DUMMY_ENDPOINTS; i++) - dum->ep[i].ep.max_streams = 0; + else dum->ep[0].ep.maxpacket = 64; - } } -static int dummy_pullup (struct usb_gadget *_gadget, int value) +static int dummy_pullup(struct usb_gadget *_gadget, int value) { struct dummy_hcd *dum_hcd; struct dummy *dum; @@ -829,7 +833,7 @@ static int dummy_pullup (struct usb_gadget *_gadget, int value) dum->driver->max_speed); else dum->gadget.speed = USB_SPEED_FULL; - dummy_udc_udpate_ep0(dum); + dummy_udc_update_ep0(dum); if (dum->gadget.speed < dum->driver->max_speed) dev_dbg(udc_dev(dum), "This device can perform faster" @@ -838,10 +842,10 @@ static int dummy_pullup (struct usb_gadget *_gadget, int value) } dum_hcd = gadget_to_dummy_hcd(_gadget); - spin_lock_irqsave (&dum->lock, flags); + spin_lock_irqsave(&dum->lock, flags); dum->pullup = (value != 0); set_link_state(dum_hcd); - spin_unlock_irqrestore (&dum->lock, flags); + spin_unlock_irqrestore(&dum->lock, flags); usb_hcd_poll_rh_status(dummy_hcd_to_hcd(dum_hcd)); return 0; @@ -864,16 +868,16 @@ static const struct usb_gadget_ops dummy_ops = { /*-------------------------------------------------------------------------*/ /* "function" sysfs attribute */ -static ssize_t -show_function (struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_function(struct device *dev, struct device_attribute *attr, + char *buf) { - struct dummy *dum = gadget_dev_to_dummy (dev); + struct dummy *dum = gadget_dev_to_dummy(dev); if (!dum->driver || !dum->driver->function) return 0; - return scnprintf (buf, PAGE_SIZE, "%s\n", dum->driver->function); + return scnprintf(buf, PAGE_SIZE, "%s\n", dum->driver->function); } -static DEVICE_ATTR (function, S_IRUGO, show_function, NULL); +static DEVICE_ATTR(function, S_IRUGO, show_function, NULL); /*-------------------------------------------------------------------------*/ @@ -908,7 +912,7 @@ static int dummy_udc_start(struct usb_gadget *g, dum->devstatus = 0; dum->driver = driver; - dev_dbg (udc_dev(dum), "binding gadget driver '%s'\n", + dev_dbg(udc_dev(dum), "binding gadget driver '%s'\n", driver->driver.name); return 0; } @@ -919,7 +923,7 @@ static int dummy_udc_stop(struct usb_gadget *g, struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g); struct dummy *dum = dum_hcd->dum; - dev_dbg (udc_dev(dum), "unregister gadget driver '%s'\n", + dev_dbg(udc_dev(dum), "unregister gadget driver '%s'\n", driver->driver.name); dum->driver = NULL; @@ -932,8 +936,7 @@ static int dummy_udc_stop(struct usb_gadget *g, /* The gadget structure is stored inside the hcd structure and will be * released along with it. */ -static void -dummy_gadget_release (struct device *dev) +static void dummy_gadget_release(struct device *dev) { return; } @@ -954,6 +957,7 @@ static void init_dummy_udc_hw(struct dummy *dum) ep->halted = ep->wedged = ep->already_seen = ep->setup_stage = 0; ep->ep.maxpacket = ~0; + ep->ep.max_streams = 16; ep->last_io = jiffies; ep->gadget = &dum->gadget; ep->desc = NULL; @@ -969,7 +973,7 @@ static void init_dummy_udc_hw(struct dummy *dum) #endif } -static int dummy_udc_probe (struct platform_device *pdev) +static int dummy_udc_probe(struct platform_device *pdev) { struct dummy *dum = &the_controller; int rc; @@ -981,7 +985,7 @@ static int dummy_udc_probe (struct platform_device *pdev) dev_set_name(&dum->gadget.dev, "gadget"); dum->gadget.dev.parent = &pdev->dev; dum->gadget.dev.release = dummy_gadget_release; - rc = device_register (&dum->gadget.dev); + rc = device_register(&dum->gadget.dev); if (rc < 0) { put_device(&dum->gadget.dev); return rc; @@ -993,7 +997,7 @@ static int dummy_udc_probe (struct platform_device *pdev) if (rc < 0) goto err_udc; - rc = device_create_file (&dum->gadget.dev, &dev_attr_function); + rc = device_create_file(&dum->gadget.dev, &dev_attr_function); if (rc < 0) goto err_dev; platform_set_drvdata(pdev, dum); @@ -1006,14 +1010,14 @@ err_udc: return rc; } -static int dummy_udc_remove (struct platform_device *pdev) +static int dummy_udc_remove(struct platform_device *pdev) { - struct dummy *dum = platform_get_drvdata (pdev); + struct dummy *dum = platform_get_drvdata(pdev); usb_del_gadget_udc(&dum->gadget); - platform_set_drvdata (pdev, NULL); - device_remove_file (&dum->gadget.dev, &dev_attr_function); - device_unregister (&dum->gadget.dev); + platform_set_drvdata(pdev, NULL); + device_remove_file(&dum->gadget.dev, &dev_attr_function); + device_unregister(&dum->gadget.dev); return 0; } @@ -1061,6 +1065,16 @@ static struct platform_driver dummy_udc_driver = { /*-------------------------------------------------------------------------*/ +static unsigned int dummy_get_ep_idx(const struct usb_endpoint_descriptor *desc) +{ + unsigned int index; + + index = usb_endpoint_num(desc) << 1; + if (usb_endpoint_dir_in(desc)) + index |= 1; + return index; +} + /* MASTER/HOST SIDE DRIVER * * this uses the hcd framework to hook up to host side drivers. @@ -1073,7 +1087,82 @@ static struct platform_driver dummy_udc_driver = { * usb 2.0 rules. */ -static int dummy_urb_enqueue ( +static int dummy_ep_stream_en(struct dummy_hcd *dum_hcd, struct urb *urb) +{ + const struct usb_endpoint_descriptor *desc = &urb->ep->desc; + u32 index; + + if (!usb_endpoint_xfer_bulk(desc)) + return 0; + + index = dummy_get_ep_idx(desc); + return (1 << index) & dum_hcd->stream_en_ep; +} + +/* + * The max stream number is saved as a nibble so for the 30 possible endpoints + * we only 15 bytes of memory. Therefore we are limited to max 16 streams (0 + * means we use only 1 stream). The maximum according to the spec is 16bit so + * if the 16 stream limit is about to go, the array size should be incremented + * to 30 elements of type u16. + */ +static int get_max_streams_for_pipe(struct dummy_hcd *dum_hcd, + unsigned int pipe) +{ + int max_streams; + + max_streams = dum_hcd->num_stream[usb_pipeendpoint(pipe)]; + if (usb_pipeout(pipe)) + max_streams >>= 4; + else + max_streams &= 0xf; + max_streams++; + return max_streams; +} + +static void set_max_streams_for_pipe(struct dummy_hcd *dum_hcd, + unsigned int pipe, unsigned int streams) +{ + int max_streams; + + streams--; + max_streams = dum_hcd->num_stream[usb_pipeendpoint(pipe)]; + if (usb_pipeout(pipe)) { + streams <<= 4; + max_streams &= 0xf; + } else { + max_streams &= 0xf0; + } + max_streams |= streams; + dum_hcd->num_stream[usb_pipeendpoint(pipe)] = max_streams; +} + +static int dummy_validate_stream(struct dummy_hcd *dum_hcd, struct urb *urb) +{ + unsigned int max_streams; + int enabled; + + enabled = dummy_ep_stream_en(dum_hcd, urb); + if (!urb->stream_id) { + if (enabled) + return -EINVAL; + return 0; + } + if (!enabled) + return -EINVAL; + + max_streams = get_max_streams_for_pipe(dum_hcd, + usb_pipeendpoint(urb->pipe)); + if (urb->stream_id > max_streams) { + dev_err(dummy_dev(dum_hcd), "Stream id %d is out of range.\n", + urb->stream_id); + BUG(); + return -EINVAL; + } + return 0; +} + +static int dummy_urb_enqueue( struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags @@ -1083,16 +1172,21 @@ static int dummy_urb_enqueue ( unsigned long flags; int rc; - if (!urb->transfer_buffer && urb->transfer_buffer_length) - return -EINVAL; - - urbp = kmalloc (sizeof *urbp, mem_flags); + urbp = kmalloc(sizeof *urbp, mem_flags); if (!urbp) return -ENOMEM; urbp->urb = urb; + urbp->miter_started = 0; dum_hcd = hcd_to_dummy_hcd(hcd); spin_lock_irqsave(&dum_hcd->dum->lock, flags); + + rc = dummy_validate_stream(dum_hcd, urb); + if (rc) { + kfree(urbp); + goto done; + } + rc = usb_hcd_link_urb_to_ep(hcd, urb); if (rc) { kfree(urbp); @@ -1107,7 +1201,7 @@ static int dummy_urb_enqueue ( list_add_tail(&urbp->urbp_list, &dum_hcd->urbp_list); urb->hcpriv = urbp; - if (usb_pipetype (urb->pipe) == PIPE_CONTROL) + if (usb_pipetype(urb->pipe) == PIPE_CONTROL) urb->error_count = 1; /* mark as a new urb */ /* kick the scheduler, it'll do the rest */ @@ -1139,20 +1233,91 @@ static int dummy_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) return rc; } +static int dummy_perform_transfer(struct urb *urb, struct dummy_request *req, + u32 len) +{ + void *ubuf, *rbuf; + struct urbp *urbp = urb->hcpriv; + int to_host; + struct sg_mapping_iter *miter = &urbp->miter; + u32 trans = 0; + u32 this_sg; + bool next_sg; + + to_host = usb_pipein(urb->pipe); + rbuf = req->req.buf + req->req.actual; + + if (!urb->num_sgs) { + ubuf = urb->transfer_buffer + urb->actual_length; + if (to_host) + memcpy(ubuf, rbuf, len); + else + memcpy(rbuf, ubuf, len); + return len; + } + + if (!urbp->miter_started) { + u32 flags = SG_MITER_ATOMIC; + + if (to_host) + flags |= SG_MITER_TO_SG; + else + flags |= SG_MITER_FROM_SG; + + sg_miter_start(miter, urb->sg, urb->num_sgs, flags); + urbp->miter_started = 1; + } + next_sg = sg_miter_next(miter); + if (next_sg == false) { + WARN_ON_ONCE(1); + return -EINVAL; + } + do { + ubuf = miter->addr; + this_sg = min_t(u32, len, miter->length); + miter->consumed = this_sg; + trans += this_sg; + + if (to_host) + memcpy(ubuf, rbuf, this_sg); + else + memcpy(rbuf, ubuf, this_sg); + len -= this_sg; + + if (!len) + break; + next_sg = sg_miter_next(miter); + if (next_sg == false) { + WARN_ON_ONCE(1); + return -EINVAL; + } + + rbuf += this_sg; + } while (1); + + sg_miter_stop(miter); + return trans; +} + /* transfer up to a frame's worth; caller must own lock */ -static int -transfer(struct dummy *dum, struct urb *urb, struct dummy_ep *ep, int limit, - int *status) +static int transfer(struct dummy_hcd *dum_hcd, struct urb *urb, + struct dummy_ep *ep, int limit, int *status) { + struct dummy *dum = dum_hcd->dum; struct dummy_request *req; top: /* if there's no request queued, the device is NAKing; return */ - list_for_each_entry (req, &ep->queue, queue) { + list_for_each_entry(req, &ep->queue, queue) { unsigned host_len, dev_len, len; int is_short, to_host; int rescan = 0; + if (dummy_ep_stream_en(dum_hcd, urb)) { + if ((urb->stream_id != req->req.stream_id)) + continue; + } + /* 1..N packets of ep->ep.maxpacket each ... the last one * may be short (including zero length). * @@ -1162,20 +1327,18 @@ top: */ host_len = urb->transfer_buffer_length - urb->actual_length; dev_len = req->req.length - req->req.actual; - len = min (host_len, dev_len); + len = min(host_len, dev_len); /* FIXME update emulated data toggle too */ - to_host = usb_pipein (urb->pipe); - if (unlikely (len == 0)) + to_host = usb_pipein(urb->pipe); + if (unlikely(len == 0)) is_short = 1; else { - char *ubuf, *rbuf; - /* not enough bandwidth left? */ if (limit < ep->ep.maxpacket && limit < len) break; - len = min (len, (unsigned) limit); + len = min_t(unsigned, len, limit); if (len == 0) break; @@ -1186,18 +1349,16 @@ top: } is_short = (len % ep->ep.maxpacket) != 0; - /* else transfer packet(s) */ - ubuf = urb->transfer_buffer + urb->actual_length; - rbuf = req->req.buf + req->req.actual; - if (to_host) - memcpy (ubuf, rbuf, len); - else - memcpy (rbuf, ubuf, len); - ep->last_io = jiffies; + len = dummy_perform_transfer(urb, req, len); - limit -= len; - urb->actual_length += len; - req->req.actual += len; + ep->last_io = jiffies; + if ((int)len < 0) { + req->req.status = len; + } else { + limit -= len; + urb->actual_length += len; + req->req.actual += len; + } } /* short packets terminate, maybe with overflow/underflow. @@ -1238,11 +1399,11 @@ top: /* device side completion --> continuable */ if (req->req.status != -EINPROGRESS) { - list_del_init (&req->queue); + list_del_init(&req->queue); - spin_unlock (&dum->lock); - req->req.complete (&ep->ep, &req->req); - spin_lock (&dum->lock); + spin_unlock(&dum->lock); + req->req.complete(&ep->ep, &req->req); + spin_lock(&dum->lock); /* requests might have been unlinked... */ rescan = 1; @@ -1259,7 +1420,7 @@ top: return limit; } -static int periodic_bytes (struct dummy *dum, struct dummy_ep *ep) +static int periodic_bytes(struct dummy *dum, struct dummy_ep *ep) { int limit = ep->ep.maxpacket; @@ -1273,7 +1434,7 @@ static int periodic_bytes (struct dummy *dum, struct dummy_ep *ep) limit += limit * tmp; } if (dum->gadget.speed == USB_SPEED_SUPER) { - switch (ep->desc->bmAttributes & 0x03) { + switch (usb_endpoint_type(ep->desc)) { case USB_ENDPOINT_XFER_ISOC: /* Sec. 4.4.8.2 USB3.0 Spec */ limit = 3 * 16 * 1024 * 8; @@ -1295,7 +1456,7 @@ static int periodic_bytes (struct dummy *dum, struct dummy_ep *ep) USB_PORT_STAT_SUSPEND)) \ == (USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE)) -static struct dummy_ep *find_endpoint (struct dummy *dum, u8 address) +static struct dummy_ep *find_endpoint(struct dummy *dum, u8 address) { int i; @@ -1303,9 +1464,9 @@ static struct dummy_ep *find_endpoint (struct dummy *dum, u8 address) dum->ss_hcd : dum->hs_hcd))) return NULL; if ((address & ~USB_DIR_IN) == 0) - return &dum->ep [0]; + return &dum->ep[0]; for (i = 1; i < DUMMY_ENDPOINTS; i++) { - struct dummy_ep *ep = &dum->ep [i]; + struct dummy_ep *ep = &dum->ep[i]; if (!ep->desc) continue; @@ -1535,19 +1696,19 @@ static void dummy_timer(unsigned long _dum_hcd) /* FIXME if HZ != 1000 this will probably misbehave ... */ /* look at each urb queued by the host side driver */ - spin_lock_irqsave (&dum->lock, flags); + spin_lock_irqsave(&dum->lock, flags); if (!dum_hcd->udev) { dev_err(dummy_dev(dum_hcd), "timer fired with no URBs pending?\n"); - spin_unlock_irqrestore (&dum->lock, flags); + spin_unlock_irqrestore(&dum->lock, flags); return; } for (i = 0; i < DUMMY_ENDPOINTS; i++) { - if (!ep_name [i]) + if (!ep_name[i]) break; - dum->ep [i].already_seen = 0; + dum->ep[i].already_seen = 0; } restart: @@ -1564,7 +1725,7 @@ restart: goto return_urb; else if (dum_hcd->rh_state != DUMMY_RH_RUNNING) continue; - type = usb_pipetype (urb->pipe); + type = usb_pipetype(urb->pipe); /* used up this frame's non-periodic bandwidth? * FIXME there's infinite bandwidth for control and @@ -1575,7 +1736,7 @@ restart: /* find the gadget's ep for this request (if configured) */ address = usb_pipeendpoint (urb->pipe); - if (usb_pipein (urb->pipe)) + if (usb_pipein(urb->pipe)) address |= USB_DIR_IN; ep = find_endpoint(dum, address); if (!ep) { @@ -1590,7 +1751,7 @@ restart: if (ep->already_seen) continue; ep->already_seen = 1; - if (ep == &dum->ep [0] && urb->error_count) { + if (ep == &dum->ep[0] && urb->error_count) { ep->setup_stage = 1; /* a new urb */ urb->error_count = 0; } @@ -1604,21 +1765,21 @@ restart: /* FIXME make sure both ends agree on maxpacket */ /* handle control requests */ - if (ep == &dum->ep [0] && ep->setup_stage) { + if (ep == &dum->ep[0] && ep->setup_stage) { struct usb_ctrlrequest setup; int value = 1; - setup = *(struct usb_ctrlrequest*) urb->setup_packet; + setup = *(struct usb_ctrlrequest *) urb->setup_packet; /* paranoia, in case of stale queued data */ - list_for_each_entry (req, &ep->queue, queue) { - list_del_init (&req->queue); + list_for_each_entry(req, &ep->queue, queue) { + list_del_init(&req->queue); req->req.status = -EOVERFLOW; - dev_dbg (udc_dev(dum), "stale req = %p\n", + dev_dbg(udc_dev(dum), "stale req = %p\n", req); - spin_unlock (&dum->lock); - req->req.complete (&ep->ep, &req->req); - spin_lock (&dum->lock); + spin_unlock(&dum->lock); + req->req.complete(&ep->ep, &req->req); + spin_lock(&dum->lock); ep->already_seen = 0; goto restart; } @@ -1638,10 +1799,10 @@ restart: * until setup() returns; no reentrancy issues etc. */ if (value > 0) { - spin_unlock (&dum->lock); - value = dum->driver->setup (&dum->gadget, + spin_unlock(&dum->lock); + value = dum->driver->setup(&dum->gadget, &setup); - spin_lock (&dum->lock); + spin_lock(&dum->lock); if (value >= 0) { /* no delays (max 64KB data stage) */ @@ -1653,7 +1814,7 @@ restart: if (value < 0) { if (value != -EOPNOTSUPP) - dev_dbg (udc_dev(dum), + dev_dbg(udc_dev(dum), "setup --> %d\n", value); status = -EPIPE; @@ -1665,14 +1826,14 @@ restart: /* non-control requests */ limit = total; - switch (usb_pipetype (urb->pipe)) { + switch (usb_pipetype(urb->pipe)) { case PIPE_ISOCHRONOUS: /* FIXME is it urb->interval since the last xfer? * use urb->iso_frame_desc[i]. * complete whether or not ep has requests queued. * report random errors, to debug drivers. */ - limit = max (limit, periodic_bytes (dum, ep)); + limit = max(limit, periodic_bytes(dum, ep)); status = -ENOSYS; break; @@ -1680,14 +1841,13 @@ restart: /* FIXME is it urb->interval since the last xfer? * this almost certainly polls too fast. */ - limit = max (limit, periodic_bytes (dum, ep)); + limit = max(limit, periodic_bytes(dum, ep)); /* FALLTHROUGH */ - // case PIPE_BULK: case PIPE_CONTROL: default: - treat_control_like_bulk: +treat_control_like_bulk: ep->last_io = jiffies; - total = transfer(dum, urb, ep, limit, &status); + total = transfer(dum_hcd, urb, ep, limit, &status); break; } @@ -1696,15 +1856,15 @@ restart: continue; return_urb: - list_del (&urbp->urbp_list); - kfree (urbp); + list_del(&urbp->urbp_list); + kfree(urbp); if (ep) ep->already_seen = ep->setup_stage = 0; usb_hcd_unlink_urb_from_ep(dummy_hcd_to_hcd(dum_hcd), urb); - spin_unlock (&dum->lock); + spin_unlock(&dum->lock); usb_hcd_giveback_urb(dummy_hcd_to_hcd(dum_hcd), urb, status); - spin_lock (&dum->lock); + spin_lock(&dum->lock); goto restart; } @@ -1717,7 +1877,7 @@ return_urb: mod_timer(&dum_hcd->timer, jiffies + msecs_to_jiffies(1)); } - spin_unlock_irqrestore (&dum->lock, flags); + spin_unlock_irqrestore(&dum->lock, flags); } /*-------------------------------------------------------------------------*/ @@ -1729,7 +1889,7 @@ return_urb: | USB_PORT_STAT_C_OVERCURRENT \ | USB_PORT_STAT_C_RESET) << 16) -static int dummy_hub_status (struct usb_hcd *hcd, char *buf) +static int dummy_hub_status(struct usb_hcd *hcd, char *buf) { struct dummy_hcd *dum_hcd; unsigned long flags; @@ -1753,7 +1913,7 @@ static int dummy_hub_status (struct usb_hcd *hcd, char *buf) dum_hcd->port_status); retval = 1; if (dum_hcd->rh_state == DUMMY_RH_SUSPENDED) - usb_hcd_resume_root_hub (hcd); + usb_hcd_resume_root_hub(hcd); } done: spin_unlock_irqrestore(&dum_hcd->dum->lock, flags); @@ -1772,10 +1932,9 @@ ss_hub_descriptor(struct usb_hub_descriptor *desc) desc->u.ss.DeviceRemovable = 0xffff; } -static inline void -hub_descriptor (struct usb_hub_descriptor *desc) +static inline void hub_descriptor(struct usb_hub_descriptor *desc) { - memset (desc, 0, sizeof *desc); + memset(desc, 0, sizeof *desc); desc->bDescriptorType = 0x29; desc->bDescLength = 9; desc->wHubCharacteristics = cpu_to_le16(0x0001); @@ -1784,7 +1943,7 @@ hub_descriptor (struct usb_hub_descriptor *desc) desc->u.hs.DeviceRemovable[1] = 0xff; } -static int dummy_hub_control ( +static int dummy_hub_control( struct usb_hcd *hcd, u16 typeReq, u16 wValue, @@ -1852,7 +2011,7 @@ static int dummy_hub_control ( hub_descriptor((struct usb_hub_descriptor *) buf); break; case GetHubStatus: - *(__le32 *) buf = cpu_to_le32 (0); + *(__le32 *) buf = cpu_to_le32(0); break; case GetPortStatus: if (wIndex != 1) @@ -1894,8 +2053,8 @@ static int dummy_hub_control ( } } set_link_state(dum_hcd); - ((__le16 *) buf)[0] = cpu_to_le16 (dum_hcd->port_status); - ((__le16 *) buf)[1] = cpu_to_le16 (dum_hcd->port_status >> 16); + ((__le16 *) buf)[0] = cpu_to_le16(dum_hcd->port_status); + ((__le16 *) buf)[1] = cpu_to_le16(dum_hcd->port_status >> 16); break; case SetHubFeature: retval = -EPIPE; @@ -2029,15 +2188,15 @@ error: spin_unlock_irqrestore(&dum_hcd->dum->lock, flags); if ((dum_hcd->port_status & PORT_C_MASK) != 0) - usb_hcd_poll_rh_status (hcd); + usb_hcd_poll_rh_status(hcd); return retval; } -static int dummy_bus_suspend (struct usb_hcd *hcd) +static int dummy_bus_suspend(struct usb_hcd *hcd) { struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd); - dev_dbg (&hcd->self.root_hub->dev, "%s\n", __func__); + dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__); spin_lock_irq(&dum_hcd->dum->lock); dum_hcd->rh_state = DUMMY_RH_SUSPENDED; @@ -2047,12 +2206,12 @@ static int dummy_bus_suspend (struct usb_hcd *hcd) return 0; } -static int dummy_bus_resume (struct usb_hcd *hcd) +static int dummy_bus_resume(struct usb_hcd *hcd) { struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd); int rc = 0; - dev_dbg (&hcd->self.root_hub->dev, "%s\n", __func__); + dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__); spin_lock_irq(&dum_hcd->dum->lock); if (!HCD_HW_ACCESSIBLE(hcd)) { @@ -2070,55 +2229,54 @@ static int dummy_bus_resume (struct usb_hcd *hcd) /*-------------------------------------------------------------------------*/ -static inline ssize_t -show_urb (char *buf, size_t size, struct urb *urb) +static inline ssize_t show_urb(char *buf, size_t size, struct urb *urb) { - int ep = usb_pipeendpoint (urb->pipe); + int ep = usb_pipeendpoint(urb->pipe); - return snprintf (buf, size, + return snprintf(buf, size, "urb/%p %s ep%d%s%s len %d/%d\n", urb, ({ char *s; - switch (urb->dev->speed) { - case USB_SPEED_LOW: + switch (urb->dev->speed) { + case USB_SPEED_LOW: s = "ls"; break; - case USB_SPEED_FULL: + case USB_SPEED_FULL: s = "fs"; break; - case USB_SPEED_HIGH: + case USB_SPEED_HIGH: s = "hs"; break; - case USB_SPEED_SUPER: + case USB_SPEED_SUPER: s = "ss"; break; - default: + default: s = "?"; break; }; s; }), - ep, ep ? (usb_pipein (urb->pipe) ? "in" : "out") : "", + ep, ep ? (usb_pipein(urb->pipe) ? "in" : "out") : "", ({ char *s; \ - switch (usb_pipetype (urb->pipe)) { \ - case PIPE_CONTROL: \ + switch (usb_pipetype(urb->pipe)) { \ + case PIPE_CONTROL: \ s = ""; \ break; \ - case PIPE_BULK: \ + case PIPE_BULK: \ s = "-bulk"; \ break; \ - case PIPE_INTERRUPT: \ + case PIPE_INTERRUPT: \ s = "-int"; \ break; \ - default: \ + default: \ s = "-iso"; \ break; \ - }; s;}), + }; s; }), urb->actual_length, urb->transfer_buffer_length); } -static ssize_t -show_urbs (struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_urbs(struct device *dev, struct device_attribute *attr, + char *buf) { - struct usb_hcd *hcd = dev_get_drvdata (dev); + struct usb_hcd *hcd = dev_get_drvdata(dev); struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd); struct urbp *urbp; size_t size = 0; @@ -2128,7 +2286,7 @@ show_urbs (struct device *dev, struct device_attribute *attr, char *buf) list_for_each_entry(urbp, &dum_hcd->urbp_list, urbp_list) { size_t temp; - temp = show_urb (buf, PAGE_SIZE - size, urbp->urb); + temp = show_urb(buf, PAGE_SIZE - size, urbp->urb); buf += temp; size += temp; } @@ -2136,7 +2294,7 @@ show_urbs (struct device *dev, struct device_attribute *attr, char *buf) return size; } -static DEVICE_ATTR (urbs, S_IRUGO, show_urbs, NULL); +static DEVICE_ATTR(urbs, S_IRUGO, show_urbs, NULL); static int dummy_start_ss(struct dummy_hcd *dum_hcd) { @@ -2144,6 +2302,7 @@ static int dummy_start_ss(struct dummy_hcd *dum_hcd) dum_hcd->timer.function = dummy_timer; dum_hcd->timer.data = (unsigned long)dum_hcd; dum_hcd->rh_state = DUMMY_RH_RUNNING; + dum_hcd->stream_en_ep = 0; INIT_LIST_HEAD(&dum_hcd->urbp_list); dummy_hcd_to_hcd(dum_hcd)->power_budget = POWER_BUDGET; dummy_hcd_to_hcd(dum_hcd)->state = HC_STATE_RUNNING; @@ -2189,11 +2348,11 @@ static int dummy_start(struct usb_hcd *hcd) return device_create_file(dummy_dev(dum_hcd), &dev_attr_urbs); } -static void dummy_stop (struct usb_hcd *hcd) +static void dummy_stop(struct usb_hcd *hcd) { struct dummy *dum; - dum = (hcd_to_dummy_hcd(hcd))->dum; + dum = hcd_to_dummy_hcd(hcd)->dum; device_remove_file(dummy_dev(hcd_to_dummy_hcd(hcd)), &dev_attr_urbs); usb_gadget_unregister_driver(dum->driver); dev_info(dummy_dev(hcd_to_dummy_hcd(hcd)), "stopped\n"); @@ -2201,13 +2360,14 @@ static void dummy_stop (struct usb_hcd *hcd) /*-------------------------------------------------------------------------*/ -static int dummy_h_get_frame (struct usb_hcd *hcd) +static int dummy_h_get_frame(struct usb_hcd *hcd) { - return dummy_g_get_frame (NULL); + return dummy_g_get_frame(NULL); } static int dummy_setup(struct usb_hcd *hcd) { + hcd->self.sg_tablesize = ~0; if (usb_hcd_is_primary_hcd(hcd)) { the_controller.hs_hcd = hcd_to_dummy_hcd(hcd); the_controller.hs_hcd->dum = &the_controller; @@ -2228,27 +2388,82 @@ static int dummy_setup(struct usb_hcd *hcd) } /* Change a group of bulk endpoints to support multiple stream IDs */ -int dummy_alloc_streams(struct usb_hcd *hcd, struct usb_device *udev, +static int dummy_alloc_streams(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint **eps, unsigned int num_eps, unsigned int num_streams, gfp_t mem_flags) { - if (hcd->speed != HCD_USB3) - dev_dbg(dummy_dev(hcd_to_dummy_hcd(hcd)), - "%s() - ERROR! Not supported for USB2.0 roothub\n", - __func__); - return 0; + struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd); + unsigned long flags; + int max_stream; + int ret_streams = num_streams; + unsigned int index; + unsigned int i; + + if (!num_eps) + return -EINVAL; + + spin_lock_irqsave(&dum_hcd->dum->lock, flags); + for (i = 0; i < num_eps; i++) { + index = dummy_get_ep_idx(&eps[i]->desc); + if ((1 << index) & dum_hcd->stream_en_ep) { + ret_streams = -EINVAL; + goto out; + } + max_stream = usb_ss_max_streams(&eps[i]->ss_ep_comp); + if (!max_stream) { + ret_streams = -EINVAL; + goto out; + } + if (max_stream < ret_streams) { + dev_dbg(dummy_dev(dum_hcd), "Ep 0x%x only supports %u " + "stream IDs.\n", + eps[i]->desc.bEndpointAddress, + max_stream); + ret_streams = max_stream; + } + } + + for (i = 0; i < num_eps; i++) { + index = dummy_get_ep_idx(&eps[i]->desc); + dum_hcd->stream_en_ep |= 1 << index; + set_max_streams_for_pipe(dum_hcd, + usb_endpoint_num(&eps[i]->desc), ret_streams); + } +out: + spin_unlock_irqrestore(&dum_hcd->dum->lock, flags); + return ret_streams; } /* Reverts a group of bulk endpoints back to not using stream IDs. */ -int dummy_free_streams(struct usb_hcd *hcd, struct usb_device *udev, +static int dummy_free_streams(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint **eps, unsigned int num_eps, gfp_t mem_flags) { - if (hcd->speed != HCD_USB3) - dev_dbg(dummy_dev(hcd_to_dummy_hcd(hcd)), - "%s() - ERROR! Not supported for USB2.0 roothub\n", - __func__); - return 0; + struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd); + unsigned long flags; + int ret; + unsigned int index; + unsigned int i; + + spin_lock_irqsave(&dum_hcd->dum->lock, flags); + for (i = 0; i < num_eps; i++) { + index = dummy_get_ep_idx(&eps[i]->desc); + if (!((1 << index) & dum_hcd->stream_en_ep)) { + ret = -EINVAL; + goto out; + } + } + + for (i = 0; i < num_eps; i++) { + index = dummy_get_ep_idx(&eps[i]->desc); + dum_hcd->stream_en_ep &= ~(1 << index); + set_max_streams_for_pipe(dum_hcd, + usb_endpoint_num(&eps[i]->desc), 0); + } + ret = 0; +out: + spin_unlock_irqrestore(&dum_hcd->dum->lock, flags); + return ret; } static struct hc_driver dummy_hcd = { @@ -2262,13 +2477,13 @@ static struct hc_driver dummy_hcd = { .start = dummy_start, .stop = dummy_stop, - .urb_enqueue = dummy_urb_enqueue, - .urb_dequeue = dummy_urb_dequeue, + .urb_enqueue = dummy_urb_enqueue, + .urb_dequeue = dummy_urb_dequeue, - .get_frame_number = dummy_h_get_frame, + .get_frame_number = dummy_h_get_frame, - .hub_status_data = dummy_hub_status, - .hub_control = dummy_hub_control, + .hub_status_data = dummy_hub_status, + .hub_control = dummy_hub_control, .bus_suspend = dummy_bus_suspend, .bus_resume = dummy_bus_resume, @@ -2323,7 +2538,7 @@ static int dummy_hcd_remove(struct platform_device *pdev) { struct dummy *dum; - dum = (hcd_to_dummy_hcd(platform_get_drvdata(pdev)))->dum; + dum = hcd_to_dummy_hcd(platform_get_drvdata(pdev))->dum; if (dum->ss_hcd) { usb_remove_hcd(dummy_hcd_to_hcd(dum->ss_hcd)); @@ -2339,15 +2554,15 @@ static int dummy_hcd_remove(struct platform_device *pdev) return 0; } -static int dummy_hcd_suspend (struct platform_device *pdev, pm_message_t state) +static int dummy_hcd_suspend(struct platform_device *pdev, pm_message_t state) { struct usb_hcd *hcd; struct dummy_hcd *dum_hcd; int rc = 0; - dev_dbg (&pdev->dev, "%s\n", __func__); + dev_dbg(&pdev->dev, "%s\n", __func__); - hcd = platform_get_drvdata (pdev); + hcd = platform_get_drvdata(pdev); dum_hcd = hcd_to_dummy_hcd(hcd); if (dum_hcd->rh_state == DUMMY_RH_RUNNING) { dev_warn(&pdev->dev, "Root hub isn't suspended!\n"); @@ -2357,15 +2572,15 @@ static int dummy_hcd_suspend (struct platform_device *pdev, pm_message_t state) return rc; } -static int dummy_hcd_resume (struct platform_device *pdev) +static int dummy_hcd_resume(struct platform_device *pdev) { struct usb_hcd *hcd; - dev_dbg (&pdev->dev, "%s\n", __func__); + dev_dbg(&pdev->dev, "%s\n", __func__); - hcd = platform_get_drvdata (pdev); + hcd = platform_get_drvdata(pdev); set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - usb_hcd_poll_rh_status (hcd); + usb_hcd_poll_rh_status(hcd); return 0; } @@ -2385,11 +2600,11 @@ static struct platform_driver dummy_hcd_driver = { static struct platform_device *the_udc_pdev; static struct platform_device *the_hcd_pdev; -static int __init init (void) +static int __init init(void) { int retval = -ENOMEM; - if (usb_disabled ()) + if (usb_disabled()) return -ENODEV; if (!mod_data.is_high_speed && mod_data.is_super_speed) @@ -2448,13 +2663,13 @@ err_alloc_udc: platform_device_put(the_hcd_pdev); return retval; } -module_init (init); +module_init(init); -static void __exit cleanup (void) +static void __exit cleanup(void) { platform_device_unregister(the_udc_pdev); platform_device_unregister(the_hcd_pdev); platform_driver_unregister(&dummy_udc_driver); platform_driver_unregister(&dummy_hcd_driver); } -module_exit (cleanup); +module_exit(cleanup); diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index e0e6375ef5d..51f3d42f5a6 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -275,24 +275,24 @@ struct usb_ep *usb_ep_autoconfig_ss( /* ep-e, ep-f are PIO with only 64 byte fifos */ ep = find_ep (gadget, "ep-e"); if (ep && ep_matches(gadget, ep, desc, ep_comp)) - return ep; + goto found_ep; ep = find_ep (gadget, "ep-f"); if (ep && ep_matches(gadget, ep, desc, ep_comp)) - return ep; + goto found_ep; } else if (gadget_is_goku (gadget)) { if (USB_ENDPOINT_XFER_INT == type) { /* single buffering is enough */ ep = find_ep(gadget, "ep3-bulk"); if (ep && ep_matches(gadget, ep, desc, ep_comp)) - return ep; + goto found_ep; } else if (USB_ENDPOINT_XFER_BULK == type && (USB_DIR_IN & desc->bEndpointAddress)) { /* DMA may be available */ ep = find_ep(gadget, "ep2-bulk"); if (ep && ep_matches(gadget, ep, desc, ep_comp)) - return ep; + goto found_ep; } #ifdef CONFIG_BLACKFIN @@ -311,18 +311,22 @@ struct usb_ep *usb_ep_autoconfig_ss( } else ep = NULL; if (ep && ep_matches(gadget, ep, desc, ep_comp)) - return ep; + goto found_ep; #endif } /* Second, look at endpoints until an unclaimed one looks usable */ list_for_each_entry (ep, &gadget->ep_list, ep_list) { if (ep_matches(gadget, ep, desc, ep_comp)) - return ep; + goto found_ep; } /* Fail */ return NULL; +found_ep: + ep->desc = NULL; + ep->comp_desc = NULL; + return ep; } /** diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c index 3f8849339ad..d672250a61f 100644 --- a/drivers/usb/gadget/f_acm.c +++ b/drivers/usb/gadget/f_acm.c @@ -5,7 +5,7 @@ * Copyright (C) 2008 by David Brownell * Copyright (C) 2008 by Nokia Corporation * Copyright (C) 2009 by Samsung Electronics - * Author: Michal Nazarewicz (m.nazarewicz@samsung.com) + * Author: Michal Nazarewicz (mina86@mina86.com) * * This software is distributed under the terms of the GNU General * Public License ("GPL") as published by the Free Software Foundation, @@ -237,6 +237,42 @@ static struct usb_descriptor_header *acm_hs_function[] = { NULL, }; +static struct usb_endpoint_descriptor acm_ss_in_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = cpu_to_le16(1024), +}; + +static struct usb_endpoint_descriptor acm_ss_out_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = cpu_to_le16(1024), +}; + +static struct usb_ss_ep_comp_descriptor acm_ss_bulk_comp_desc = { + .bLength = sizeof acm_ss_bulk_comp_desc, + .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, +}; + +static struct usb_descriptor_header *acm_ss_function[] = { + (struct usb_descriptor_header *) &acm_iad_descriptor, + (struct usb_descriptor_header *) &acm_control_interface_desc, + (struct usb_descriptor_header *) &acm_header_desc, + (struct usb_descriptor_header *) &acm_call_mgmt_descriptor, + (struct usb_descriptor_header *) &acm_descriptor, + (struct usb_descriptor_header *) &acm_union_desc, + (struct usb_descriptor_header *) &acm_hs_notify_desc, + (struct usb_descriptor_header *) &acm_ss_bulk_comp_desc, + (struct usb_descriptor_header *) &acm_data_interface_desc, + (struct usb_descriptor_header *) &acm_ss_in_desc, + (struct usb_descriptor_header *) &acm_ss_bulk_comp_desc, + (struct usb_descriptor_header *) &acm_ss_out_desc, + (struct usb_descriptor_header *) &acm_ss_bulk_comp_desc, + NULL, +}; + /* string descriptors: */ #define ACM_CTRL_IDX 0 @@ -643,9 +679,21 @@ acm_bind(struct usb_configuration *c, struct usb_function *f) /* copy descriptors */ f->hs_descriptors = usb_copy_descriptors(acm_hs_function); } + if (gadget_is_superspeed(c->cdev->gadget)) { + acm_ss_in_desc.bEndpointAddress = + acm_fs_in_desc.bEndpointAddress; + acm_ss_out_desc.bEndpointAddress = + acm_fs_out_desc.bEndpointAddress; + + /* copy descriptors, and track endpoint copies */ + f->ss_descriptors = usb_copy_descriptors(acm_ss_function); + if (!f->ss_descriptors) + goto fail; + } DBG(cdev, "acm ttyGS%d: %s speed IN/%s OUT/%s NOTIFY/%s\n", acm->port_num, + gadget_is_superspeed(c->cdev->gadget) ? "super" : gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full", acm->port.in->name, acm->port.out->name, acm->notify->name); @@ -675,6 +723,8 @@ acm_unbind(struct usb_configuration *c, struct usb_function *f) if (gadget_is_dualspeed(c->cdev->gadget)) usb_free_descriptors(f->hs_descriptors); + if (gadget_is_superspeed(c->cdev->gadget)) + usb_free_descriptors(f->ss_descriptors); usb_free_descriptors(f->descriptors); gs_free_req(acm->notify, acm->notify_req); kfree(acm); diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c index 11c07cb7d33..30b908f2a53 100644 --- a/drivers/usb/gadget/f_ecm.c +++ b/drivers/usb/gadget/f_ecm.c @@ -97,6 +97,20 @@ static inline unsigned ecm_bitrate(struct usb_gadget *g) /* interface descriptor: */ +static struct usb_interface_assoc_descriptor +ecm_iad_descriptor = { + .bLength = sizeof ecm_iad_descriptor, + .bDescriptorType = USB_DT_INTERFACE_ASSOCIATION, + + /* .bFirstInterface = DYNAMIC, */ + .bInterfaceCount = 2, /* control + data */ + .bFunctionClass = USB_CLASS_COMM, + .bFunctionSubClass = USB_CDC_SUBCLASS_ETHERNET, + .bFunctionProtocol = USB_CDC_PROTO_NONE, + /* .iFunction = DYNAMIC */ +}; + + static struct usb_interface_descriptor ecm_control_intf = { .bLength = sizeof ecm_control_intf, .bDescriptorType = USB_DT_INTERFACE, @@ -199,6 +213,7 @@ static struct usb_endpoint_descriptor fs_ecm_out_desc = { static struct usb_descriptor_header *ecm_fs_function[] = { /* CDC ECM control descriptors */ + (struct usb_descriptor_header *) &ecm_iad_descriptor, (struct usb_descriptor_header *) &ecm_control_intf, (struct usb_descriptor_header *) &ecm_header_desc, (struct usb_descriptor_header *) &ecm_union_desc, @@ -247,6 +262,7 @@ static struct usb_endpoint_descriptor hs_ecm_out_desc = { static struct usb_descriptor_header *ecm_hs_function[] = { /* CDC ECM control descriptors */ + (struct usb_descriptor_header *) &ecm_iad_descriptor, (struct usb_descriptor_header *) &ecm_control_intf, (struct usb_descriptor_header *) &ecm_header_desc, (struct usb_descriptor_header *) &ecm_union_desc, @@ -339,6 +355,7 @@ static struct usb_string ecm_string_defs[] = { [0].s = "CDC Ethernet Control Model (ECM)", [1].s = NULL /* DYNAMIC */, [2].s = "CDC Ethernet Data", + [3].s = "CDC ECM", { } /* end of list */ }; @@ -674,6 +691,7 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f) if (status < 0) goto fail; ecm->ctrl_id = status; + ecm_iad_descriptor.bFirstInterface = status; ecm_control_intf.bInterfaceNumber = status; ecm_union_desc.bMasterInterface0 = status; @@ -864,6 +882,13 @@ ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]) return status; ecm_string_defs[1].id = status; ecm_desc.iMACAddress = status; + + /* IAD label */ + status = usb_string_id(c->cdev); + if (status < 0) + return status; + ecm_string_defs[3].id = status; + ecm_iad_descriptor.iFunction = status; } /* allocate and initialize one new instance */ diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index f63dc6c150d..7f445ec723b 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -2,7 +2,7 @@ * f_fs.c -- user mode file system API for USB composite function controllers * * Copyright (C) 2010 Samsung Electronics - * Author: Michal Nazarewicz <m.nazarewicz@samsung.com> + * Author: Michal Nazarewicz <mina86@mina86.com> * * Based on inode.c (GadgetFS) which was: * Copyright (C) 2003-2004 David Brownell @@ -1258,9 +1258,7 @@ static void ffs_data_put(struct ffs_data *ffs) if (unlikely(atomic_dec_and_test(&ffs->ref))) { pr_info("%s(): freeing\n", __func__); ffs_data_clear(ffs); - BUG_ON(mutex_is_locked(&ffs->mutex) || - spin_is_locked(&ffs->ev.waitq.lock) || - waitqueue_active(&ffs->ev.waitq) || + BUG_ON(waitqueue_active(&ffs->ev.waitq) || waitqueue_active(&ffs->ep0req_completion.wait)); kfree(ffs); } diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index ee8ceec0156..a371e966425 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -3,7 +3,7 @@ * * Copyright (C) 2003-2008 Alan Stern * Copyright (C) 2009 Samsung Electronics - * Author: Michal Nazarewicz <m.nazarewicz@samsung.com> + * Author: Michal Nazarewicz <mina86@mina86.com> * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -304,7 +304,6 @@ static const char fsg_string_interface[] = "Mass Storage"; -#define FSG_NO_INTR_EP 1 #define FSG_NO_DEVICE_STRINGS 1 #define FSG_NO_OTG 1 #define FSG_NO_INTR_EP 1 @@ -620,7 +619,7 @@ static int fsg_setup(struct usb_function *f, switch (ctrl->bRequest) { - case USB_BULK_RESET_REQUEST: + case US_BULK_RESET_REQUEST: if (ctrl->bRequestType != (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; @@ -636,7 +635,7 @@ static int fsg_setup(struct usb_function *f, raise_exception(fsg->common, FSG_STATE_RESET); return DELAYED_STATUS; - case USB_BULK_GET_MAX_LUN_REQUEST: + case US_BULK_GET_MAX_LUN: if (ctrl->bRequestType != (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; @@ -1742,7 +1741,7 @@ static int send_status(struct fsg_common *common) struct fsg_buffhd *bh; struct bulk_cs_wrap *csw; int rc; - u8 status = USB_STATUS_PASS; + u8 status = US_BULK_STAT_OK; u32 sd, sdinfo = 0; /* Wait for the next buffer to become available */ @@ -1763,11 +1762,11 @@ static int send_status(struct fsg_common *common) if (common->phase_error) { DBG(common, "sending phase-error status\n"); - status = USB_STATUS_PHASE_ERROR; + status = US_BULK_STAT_PHASE; sd = SS_INVALID_COMMAND; } else if (sd != SS_NO_SENSE) { DBG(common, "sending command-failure status\n"); - status = USB_STATUS_FAIL; + status = US_BULK_STAT_FAIL; VDBG(common, " sense data: SK x%02x, ASC x%02x, ASCQ x%02x;" " info x%x\n", SK(sd), ASC(sd), ASCQ(sd), sdinfo); @@ -1776,12 +1775,12 @@ static int send_status(struct fsg_common *common) /* Store and send the Bulk-only CSW */ csw = (void *)bh->buf; - csw->Signature = cpu_to_le32(USB_BULK_CS_SIG); + csw->Signature = cpu_to_le32(US_BULK_CS_SIGN); csw->Tag = common->tag; csw->Residue = cpu_to_le32(common->residue); csw->Status = status; - bh->inreq->length = USB_BULK_CS_WRAP_LEN; + bh->inreq->length = US_BULK_CS_WRAP_LEN; bh->inreq->zero = 0; if (!start_in_transfer(common, bh)) /* Don't know what to do if common->fsg is NULL */ @@ -2221,7 +2220,7 @@ unknown_cmnd: static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) { struct usb_request *req = bh->outreq; - struct fsg_bulk_cb_wrap *cbw = req->buf; + struct bulk_cb_wrap *cbw = req->buf; struct fsg_common *common = fsg->common; /* Was this a real packet? Should it be ignored? */ @@ -2229,9 +2228,9 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) return -EINVAL; /* Is the CBW valid? */ - if (req->actual != USB_BULK_CB_WRAP_LEN || + if (req->actual != US_BULK_CB_WRAP_LEN || cbw->Signature != cpu_to_le32( - USB_BULK_CB_SIG)) { + US_BULK_CB_SIGN)) { DBG(fsg, "invalid CBW: len %u sig 0x%x\n", req->actual, le32_to_cpu(cbw->Signature)); @@ -2253,7 +2252,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) } /* Is the CBW meaningful? */ - if (cbw->Lun >= FSG_MAX_LUNS || cbw->Flags & ~USB_BULK_IN_FLAG || + if (cbw->Lun >= FSG_MAX_LUNS || cbw->Flags & ~US_BULK_FLAG_IN || cbw->Length <= 0 || cbw->Length > MAX_COMMAND_SIZE) { DBG(fsg, "non-meaningful CBW: lun = %u, flags = 0x%x, " "cmdlen %u\n", @@ -2273,7 +2272,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) /* Save the command for later */ common->cmnd_size = cbw->Length; memcpy(common->cmnd, cbw->CDB, common->cmnd_size); - if (cbw->Flags & USB_BULK_IN_FLAG) + if (cbw->Flags & US_BULK_FLAG_IN) common->data_dir = DATA_DIR_TO_HOST; else common->data_dir = DATA_DIR_FROM_HOST; @@ -2303,7 +2302,7 @@ static int get_next_command(struct fsg_common *common) } /* Queue a request to read a Bulk-only CBW */ - set_bulk_out_req_length(common, bh, USB_BULK_CB_WRAP_LEN); + set_bulk_out_req_length(common, bh, US_BULK_CB_WRAP_LEN); if (!start_out_transfer(common, bh)) /* Don't know what to do if common->fsg is NULL */ return -EIO; diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c index 3797b3d6c62..2f7e8f2930c 100644 --- a/drivers/usb/gadget/f_midi.c +++ b/drivers/usb/gadget/f_midi.c @@ -780,7 +780,7 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f) midi->out_ep->driver_data = cdev; /* claim */ /* allocate temporary function list */ - midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(midi_function), + midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(*midi_function), GFP_KERNEL); if (!midi_function) { status = -ENOMEM; diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c index 704d1d94f72..7b1cf18df5e 100644 --- a/drivers/usb/gadget/f_rndis.c +++ b/drivers/usb/gadget/f_rndis.c @@ -5,7 +5,7 @@ * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger * Copyright (C) 2008 Nokia Corporation * Copyright (C) 2009 Samsung Electronics - * Author: Michal Nazarewicz (m.nazarewicz@samsung.com) + * Author: Michal Nazarewicz (mina86@mina86.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/usb/gadget/f_serial.c b/drivers/usb/gadget/f_serial.c index cf33a8d0fd5..07197d63d9b 100644 --- a/drivers/usb/gadget/f_serial.c +++ b/drivers/usb/gadget/f_serial.c @@ -99,6 +99,34 @@ static struct usb_descriptor_header *gser_hs_function[] __initdata = { NULL, }; +static struct usb_endpoint_descriptor gser_ss_in_desc __initdata = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = cpu_to_le16(1024), +}; + +static struct usb_endpoint_descriptor gser_ss_out_desc __initdata = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = cpu_to_le16(1024), +}; + +static struct usb_ss_ep_comp_descriptor gser_ss_bulk_comp_desc __initdata = { + .bLength = sizeof gser_ss_bulk_comp_desc, + .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, +}; + +static struct usb_descriptor_header *gser_ss_function[] __initdata = { + (struct usb_descriptor_header *) &gser_interface_desc, + (struct usb_descriptor_header *) &gser_ss_in_desc, + (struct usb_descriptor_header *) &gser_ss_bulk_comp_desc, + (struct usb_descriptor_header *) &gser_ss_out_desc, + (struct usb_descriptor_header *) &gser_ss_bulk_comp_desc, + NULL, +}; + /* string descriptors: */ static struct usb_string gser_string_defs[] = { @@ -201,9 +229,21 @@ gser_bind(struct usb_configuration *c, struct usb_function *f) /* copy descriptors, and track endpoint copies */ f->hs_descriptors = usb_copy_descriptors(gser_hs_function); } + if (gadget_is_superspeed(c->cdev->gadget)) { + gser_ss_in_desc.bEndpointAddress = + gser_fs_in_desc.bEndpointAddress; + gser_ss_out_desc.bEndpointAddress = + gser_fs_out_desc.bEndpointAddress; + + /* copy descriptors, and track endpoint copies */ + f->ss_descriptors = usb_copy_descriptors(gser_ss_function); + if (!f->ss_descriptors) + goto fail; + } DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n", gser->port_num, + gadget_is_superspeed(c->cdev->gadget) ? "super" : gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full", gser->port.in->name, gser->port.out->name); return 0; @@ -225,6 +265,8 @@ gser_unbind(struct usb_configuration *c, struct usb_function *f) { if (gadget_is_dualspeed(c->cdev->gadget)) usb_free_descriptors(f->hs_descriptors); + if (gadget_is_superspeed(c->cdev->gadget)) + usb_free_descriptors(f->ss_descriptors); usb_free_descriptors(f->descriptors); kfree(func_to_gser(f)); } diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c index c1540648125..21ab474aca0 100644 --- a/drivers/usb/gadget/f_subset.c +++ b/drivers/usb/gadget/f_subset.c @@ -74,7 +74,7 @@ static inline struct f_gether *func_to_geth(struct usb_function *f) /* interface descriptor: */ -static struct usb_interface_descriptor subset_data_intf __initdata = { +static struct usb_interface_descriptor subset_data_intf = { .bLength = sizeof subset_data_intf, .bDescriptorType = USB_DT_INTERFACE, @@ -87,7 +87,7 @@ static struct usb_interface_descriptor subset_data_intf __initdata = { /* .iInterface = DYNAMIC */ }; -static struct usb_cdc_header_desc mdlm_header_desc __initdata = { +static struct usb_cdc_header_desc mdlm_header_desc = { .bLength = sizeof mdlm_header_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = USB_CDC_HEADER_TYPE, @@ -95,7 +95,7 @@ static struct usb_cdc_header_desc mdlm_header_desc __initdata = { .bcdCDC = cpu_to_le16(0x0110), }; -static struct usb_cdc_mdlm_desc mdlm_desc __initdata = { +static struct usb_cdc_mdlm_desc mdlm_desc = { .bLength = sizeof mdlm_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = USB_CDC_MDLM_TYPE, @@ -111,7 +111,7 @@ static struct usb_cdc_mdlm_desc mdlm_desc __initdata = { * can't really use its struct. All we do here is say that we're using * the submode of "SAFE" which directly matches the CDC Subset. */ -static u8 mdlm_detail_desc[] __initdata = { +static u8 mdlm_detail_desc[] = { 6, USB_DT_CS_INTERFACE, USB_CDC_MDLM_DETAIL_TYPE, @@ -121,7 +121,7 @@ static u8 mdlm_detail_desc[] __initdata = { 0, /* network data capabilities ("raw" encapsulation) */ }; -static struct usb_cdc_ether_desc ether_desc __initdata = { +static struct usb_cdc_ether_desc ether_desc = { .bLength = sizeof ether_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = USB_CDC_ETHERNET_TYPE, @@ -136,7 +136,7 @@ static struct usb_cdc_ether_desc ether_desc __initdata = { /* full speed support: */ -static struct usb_endpoint_descriptor fs_subset_in_desc __initdata = { +static struct usb_endpoint_descriptor fs_subset_in_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -144,7 +144,7 @@ static struct usb_endpoint_descriptor fs_subset_in_desc __initdata = { .bmAttributes = USB_ENDPOINT_XFER_BULK, }; -static struct usb_endpoint_descriptor fs_subset_out_desc __initdata = { +static struct usb_endpoint_descriptor fs_subset_out_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -152,7 +152,7 @@ static struct usb_endpoint_descriptor fs_subset_out_desc __initdata = { .bmAttributes = USB_ENDPOINT_XFER_BULK, }; -static struct usb_descriptor_header *fs_eth_function[] __initdata = { +static struct usb_descriptor_header *fs_eth_function[] = { (struct usb_descriptor_header *) &subset_data_intf, (struct usb_descriptor_header *) &mdlm_header_desc, (struct usb_descriptor_header *) &mdlm_desc, @@ -165,7 +165,7 @@ static struct usb_descriptor_header *fs_eth_function[] __initdata = { /* high speed support: */ -static struct usb_endpoint_descriptor hs_subset_in_desc __initdata = { +static struct usb_endpoint_descriptor hs_subset_in_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -173,7 +173,7 @@ static struct usb_endpoint_descriptor hs_subset_in_desc __initdata = { .wMaxPacketSize = cpu_to_le16(512), }; -static struct usb_endpoint_descriptor hs_subset_out_desc __initdata = { +static struct usb_endpoint_descriptor hs_subset_out_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -181,7 +181,7 @@ static struct usb_endpoint_descriptor hs_subset_out_desc __initdata = { .wMaxPacketSize = cpu_to_le16(512), }; -static struct usb_descriptor_header *hs_eth_function[] __initdata = { +static struct usb_descriptor_header *hs_eth_function[] = { (struct usb_descriptor_header *) &subset_data_intf, (struct usb_descriptor_header *) &mdlm_header_desc, (struct usb_descriptor_header *) &mdlm_desc, @@ -194,7 +194,7 @@ static struct usb_descriptor_header *hs_eth_function[] __initdata = { /* super speed support: */ -static struct usb_endpoint_descriptor ss_subset_in_desc __initdata = { +static struct usb_endpoint_descriptor ss_subset_in_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -202,7 +202,7 @@ static struct usb_endpoint_descriptor ss_subset_in_desc __initdata = { .wMaxPacketSize = cpu_to_le16(1024), }; -static struct usb_endpoint_descriptor ss_subset_out_desc __initdata = { +static struct usb_endpoint_descriptor ss_subset_out_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -210,7 +210,7 @@ static struct usb_endpoint_descriptor ss_subset_out_desc __initdata = { .wMaxPacketSize = cpu_to_le16(1024), }; -static struct usb_ss_ep_comp_descriptor ss_subset_bulk_comp_desc __initdata = { +static struct usb_ss_ep_comp_descriptor ss_subset_bulk_comp_desc = { .bLength = sizeof ss_subset_bulk_comp_desc, .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, @@ -219,7 +219,7 @@ static struct usb_ss_ep_comp_descriptor ss_subset_bulk_comp_desc __initdata = { /* .bmAttributes = 0, */ }; -static struct usb_descriptor_header *ss_eth_function[] __initdata = { +static struct usb_descriptor_header *ss_eth_function[] = { (struct usb_descriptor_header *) &subset_data_intf, (struct usb_descriptor_header *) &mdlm_header_desc, (struct usb_descriptor_header *) &mdlm_desc, @@ -290,7 +290,7 @@ static void geth_disable(struct usb_function *f) /* serial function driver setup/binding */ -static int __init +static int geth_bind(struct usb_configuration *c, struct usb_function *f) { struct usb_composite_dev *cdev = c->cdev; @@ -404,7 +404,7 @@ geth_unbind(struct usb_configuration *c, struct usb_function *f) * Caller must have called @gether_setup(). Caller is also responsible * for calling @gether_cleanup() before module unload. */ -int __init geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]) +int geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]) { struct f_gether *geth; int status; diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_uac1.c index ec7ffcd0d0c..1a5dcd5565e 100644 --- a/drivers/usb/gadget/f_audio.c +++ b/drivers/usb/gadget/f_uac1.c @@ -14,7 +14,7 @@ #include <linux/device.h> #include <linux/atomic.h> -#include "u_audio.h" +#include "u_uac1.h" #define OUT_EP_MAX_PACKET_SIZE 200 static int req_buf_size = OUT_EP_MAX_PACKET_SIZE; @@ -216,29 +216,6 @@ static struct usb_descriptor_header *f_audio_desc[] __initdata = { NULL, }; -/* string IDs are assigned dynamically */ - -#define STRING_MANUFACTURER_IDX 0 -#define STRING_PRODUCT_IDX 1 - -static char manufacturer[50]; - -static struct usb_string strings_dev[] = { - [STRING_MANUFACTURER_IDX].s = manufacturer, - [STRING_PRODUCT_IDX].s = DRIVER_DESC, - { } /* end of list */ -}; - -static struct usb_gadget_strings stringtab_dev = { - .language = 0x0409, /* en-us */ - .strings = strings_dev, -}; - -static struct usb_gadget_strings *audio_strings[] = { - &stringtab_dev, - NULL, -}; - /* * This function is an ALSA sound card following USB Audio Class Spec 1.0. */ diff --git a/drivers/usb/gadget/f_uac2.c b/drivers/usb/gadget/f_uac2.c new file mode 100644 index 00000000000..e7cc4de93e3 --- /dev/null +++ b/drivers/usb/gadget/f_uac2.c @@ -0,0 +1,1449 @@ +/* + * f_uac2.c -- USB Audio Class 2.0 Function + * + * Copyright (C) 2011 + * Yadwinder Singh (yadi.brar01@gmail.com) + * Jaswinder Singh (jaswinder.singh@linaro.org) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/usb/audio.h> +#include <linux/usb/audio-v2.h> +#include <linux/platform_device.h> +#include <linux/module.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> + +/* Playback(USB-IN) Default Stereo - Fl/Fr */ +static int p_chmask = 0x3; +module_param(p_chmask, uint, S_IRUGO); +MODULE_PARM_DESC(p_chmask, "Playback Channel Mask"); + +/* Playback Default 48 KHz */ +static int p_srate = 48000; +module_param(p_srate, uint, S_IRUGO); +MODULE_PARM_DESC(p_srate, "Playback Sampling Rate"); + +/* Playback Default 16bits/sample */ +static int p_ssize = 2; +module_param(p_ssize, uint, S_IRUGO); +MODULE_PARM_DESC(p_ssize, "Playback Sample Size(bytes)"); + +/* Capture(USB-OUT) Default Stereo - Fl/Fr */ +static int c_chmask = 0x3; +module_param(c_chmask, uint, S_IRUGO); +MODULE_PARM_DESC(c_chmask, "Capture Channel Mask"); + +/* Capture Default 64 KHz */ +static int c_srate = 64000; +module_param(c_srate, uint, S_IRUGO); +MODULE_PARM_DESC(c_srate, "Capture Sampling Rate"); + +/* Capture Default 16bits/sample */ +static int c_ssize = 2; +module_param(c_ssize, uint, S_IRUGO); +MODULE_PARM_DESC(c_ssize, "Capture Sample Size(bytes)"); + +#define DMA_ADDR_INVALID (~(dma_addr_t)0) + +#define ALT_SET(x, a) do {(x) &= ~0xff; (x) |= (a); } while (0) +#define ALT_GET(x) ((x) & 0xff) +#define INTF_SET(x, i) do {(x) &= 0xff; (x) |= ((i) << 8); } while (0) +#define INTF_GET(x) ((x >> 8) & 0xff) + +/* Keep everyone on toes */ +#define USB_XFERS 2 + +/* + * The driver implements a simple UAC_2 topology. + * USB-OUT -> IT_1 -> OT_3 -> ALSA_Capture + * ALSA_Playback -> IT_2 -> OT_4 -> USB-IN + * Capture and Playback sampling rates are independently + * controlled by two clock sources : + * CLK_5 := c_srate, and CLK_6 := p_srate + */ +#define USB_OUT_IT_ID 1 +#define IO_IN_IT_ID 2 +#define IO_OUT_OT_ID 3 +#define USB_IN_OT_ID 4 +#define USB_OUT_CLK_ID 5 +#define USB_IN_CLK_ID 6 + +#define CONTROL_ABSENT 0 +#define CONTROL_RDONLY 1 +#define CONTROL_RDWR 3 + +#define CLK_FREQ_CTRL 0 +#define CLK_VLD_CTRL 2 + +#define COPY_CTRL 0 +#define CONN_CTRL 2 +#define OVRLD_CTRL 4 +#define CLSTR_CTRL 6 +#define UNFLW_CTRL 8 +#define OVFLW_CTRL 10 + +const char *uac2_name = "snd_uac2"; + +struct uac2_req { + struct uac2_rtd_params *pp; /* parent param */ + struct usb_request *req; +}; + +struct uac2_rtd_params { + bool ep_enabled; /* if the ep is enabled */ + /* Size of the ring buffer */ + size_t dma_bytes; + unsigned char *dma_area; + + struct snd_pcm_substream *ss; + + /* Ring buffer */ + ssize_t hw_ptr; + + void *rbuf; + + size_t period_size; + + unsigned max_psize; + struct uac2_req ureq[USB_XFERS]; + + spinlock_t lock; +}; + +struct snd_uac2_chip { + struct platform_device pdev; + struct platform_driver pdrv; + + struct uac2_rtd_params p_prm; + struct uac2_rtd_params c_prm; + + struct snd_card *card; + struct snd_pcm *pcm; +}; + +#define BUFF_SIZE_MAX (PAGE_SIZE * 16) +#define PRD_SIZE_MAX PAGE_SIZE +#define MIN_PERIODS 4 + +static struct snd_pcm_hardware uac2_pcm_hardware = { + .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER + | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID + | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .periods_max = BUFF_SIZE_MAX / PRD_SIZE_MAX, + .buffer_bytes_max = BUFF_SIZE_MAX, + .period_bytes_max = PRD_SIZE_MAX, + .periods_min = MIN_PERIODS, +}; + +struct audio_dev { + /* Currently active {Interface[15:8] | AltSettings[7:0]} */ + __u16 ac_alt, as_out_alt, as_in_alt; + + struct usb_ep *in_ep, *out_ep; + struct usb_function func; + + /* The ALSA Sound Card it represents on the USB-Client side */ + struct snd_uac2_chip uac2; +}; + +static struct audio_dev *agdev_g; + +static inline +struct audio_dev *func_to_agdev(struct usb_function *f) +{ + return container_of(f, struct audio_dev, func); +} + +static inline +struct audio_dev *uac2_to_agdev(struct snd_uac2_chip *u) +{ + return container_of(u, struct audio_dev, uac2); +} + +static inline +struct snd_uac2_chip *pdev_to_uac2(struct platform_device *p) +{ + return container_of(p, struct snd_uac2_chip, pdev); +} + +static inline +struct snd_uac2_chip *prm_to_uac2(struct uac2_rtd_params *r) +{ + struct snd_uac2_chip *uac2 = container_of(r, + struct snd_uac2_chip, c_prm); + + if (&uac2->c_prm != r) + uac2 = container_of(r, struct snd_uac2_chip, p_prm); + + return uac2; +} + +static inline +uint num_channels(uint chanmask) +{ + uint num = 0; + + while (chanmask) { + num += (chanmask & 1); + chanmask >>= 1; + } + + return num; +} + +static void +agdev_iso_complete(struct usb_ep *ep, struct usb_request *req) +{ + unsigned pending; + unsigned long flags; + bool update_alsa = false; + unsigned char *src, *dst; + int status = req->status; + struct uac2_req *ur = req->context; + struct snd_pcm_substream *substream; + struct uac2_rtd_params *prm = ur->pp; + struct snd_uac2_chip *uac2 = prm_to_uac2(prm); + + /* i/f shutting down */ + if (!prm->ep_enabled) + return; + + /* + * We can't really do much about bad xfers. + * Afterall, the ISOCH xfers could fail legitimately. + */ + if (status) + pr_debug("%s: iso_complete status(%d) %d/%d\n", + __func__, status, req->actual, req->length); + + substream = prm->ss; + + /* Do nothing if ALSA isn't active */ + if (!substream) + goto exit; + + spin_lock_irqsave(&prm->lock, flags); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + src = prm->dma_area + prm->hw_ptr; + req->actual = req->length; + dst = req->buf; + } else { + dst = prm->dma_area + prm->hw_ptr; + src = req->buf; + } + + pending = prm->hw_ptr % prm->period_size; + pending += req->actual; + if (pending >= prm->period_size) + update_alsa = true; + + prm->hw_ptr = (prm->hw_ptr + req->actual) % prm->dma_bytes; + + spin_unlock_irqrestore(&prm->lock, flags); + + /* Pack USB load in ALSA ring buffer */ + memcpy(dst, src, req->actual); +exit: + if (usb_ep_queue(ep, req, GFP_ATOMIC)) + dev_err(&uac2->pdev.dev, "%d Error!\n", __LINE__); + + if (update_alsa) + snd_pcm_period_elapsed(substream); + + return; +} + +static int +uac2_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream); + struct audio_dev *agdev = uac2_to_agdev(uac2); + struct uac2_rtd_params *prm; + unsigned long flags; + struct usb_ep *ep; + int err = 0; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + ep = agdev->in_ep; + prm = &uac2->p_prm; + } else { + ep = agdev->out_ep; + prm = &uac2->c_prm; + } + + spin_lock_irqsave(&prm->lock, flags); + + /* Reset */ + prm->hw_ptr = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + prm->ss = substream; + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + prm->ss = NULL; + break; + default: + err = -EINVAL; + } + + spin_unlock_irqrestore(&prm->lock, flags); + + /* Clear buffer after Play stops */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !prm->ss) + memset(prm->rbuf, 0, prm->max_psize * USB_XFERS); + + return err; +} + +static snd_pcm_uframes_t uac2_pcm_pointer(struct snd_pcm_substream *substream) +{ + struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream); + struct uac2_rtd_params *prm; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + prm = &uac2->p_prm; + else + prm = &uac2->c_prm; + + return bytes_to_frames(substream->runtime, prm->hw_ptr); +} + +static int uac2_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream); + struct uac2_rtd_params *prm; + int err; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + prm = &uac2->p_prm; + else + prm = &uac2->c_prm; + + err = snd_pcm_lib_malloc_pages(substream, + params_buffer_bytes(hw_params)); + if (err >= 0) { + prm->dma_bytes = substream->runtime->dma_bytes; + prm->dma_area = substream->runtime->dma_area; + prm->period_size = params_period_bytes(hw_params); + } + + return err; +} + +static int uac2_pcm_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream); + struct uac2_rtd_params *prm; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + prm = &uac2->p_prm; + else + prm = &uac2->c_prm; + + prm->dma_area = NULL; + prm->dma_bytes = 0; + prm->period_size = 0; + + return snd_pcm_lib_free_pages(substream); +} + +static int uac2_pcm_open(struct snd_pcm_substream *substream) +{ + struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + + runtime->hw = uac2_pcm_hardware; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + spin_lock_init(&uac2->p_prm.lock); + runtime->hw.rate_min = p_srate; + runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; /* ! p_ssize ! */ + runtime->hw.channels_min = num_channels(p_chmask); + runtime->hw.period_bytes_min = 2 * uac2->p_prm.max_psize + / runtime->hw.periods_min; + } else { + spin_lock_init(&uac2->c_prm.lock); + runtime->hw.rate_min = c_srate; + runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; /* ! c_ssize ! */ + runtime->hw.channels_min = num_channels(c_chmask); + runtime->hw.period_bytes_min = 2 * uac2->c_prm.max_psize + / runtime->hw.periods_min; + } + + runtime->hw.rate_max = runtime->hw.rate_min; + runtime->hw.channels_max = runtime->hw.channels_min; + + snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + + return 0; +} + +/* ALSA cries without these function pointers */ +static int uac2_pcm_null(struct snd_pcm_substream *substream) +{ + return 0; +} + +static struct snd_pcm_ops uac2_pcm_ops = { + .open = uac2_pcm_open, + .close = uac2_pcm_null, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = uac2_pcm_hw_params, + .hw_free = uac2_pcm_hw_free, + .trigger = uac2_pcm_trigger, + .pointer = uac2_pcm_pointer, + .prepare = uac2_pcm_null, +}; + +static int __devinit snd_uac2_probe(struct platform_device *pdev) +{ + struct snd_uac2_chip *uac2 = pdev_to_uac2(pdev); + struct snd_card *card; + struct snd_pcm *pcm; + int err; + + /* Choose any slot, with no id */ + err = snd_card_create(-1, NULL, THIS_MODULE, 0, &card); + if (err < 0) + return err; + + uac2->card = card; + + /* + * Create first PCM device + * Create a substream only for non-zero channel streams + */ + err = snd_pcm_new(uac2->card, "UAC2 PCM", 0, + p_chmask ? 1 : 0, c_chmask ? 1 : 0, &pcm); + if (err < 0) + goto snd_fail; + + strcpy(pcm->name, "UAC2 PCM"); + pcm->private_data = uac2; + + uac2->pcm = pcm; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &uac2_pcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &uac2_pcm_ops); + + strcpy(card->driver, "UAC2_Gadget"); + strcpy(card->shortname, "UAC2_Gadget"); + sprintf(card->longname, "UAC2_Gadget %i", pdev->id); + + snd_card_set_dev(card, &pdev->dev); + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, + snd_dma_continuous_data(GFP_KERNEL), 0, BUFF_SIZE_MAX); + + err = snd_card_register(card); + if (!err) { + platform_set_drvdata(pdev, card); + return 0; + } + +snd_fail: + snd_card_free(card); + + uac2->pcm = NULL; + uac2->card = NULL; + + return err; +} + +static int __devexit snd_uac2_remove(struct platform_device *pdev) +{ + struct snd_card *card = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + + if (card) + return snd_card_free(card); + + return 0; +} + +static int alsa_uac2_init(struct audio_dev *agdev) +{ + struct snd_uac2_chip *uac2 = &agdev->uac2; + int err; + + uac2->pdrv.probe = snd_uac2_probe; + uac2->pdrv.remove = snd_uac2_remove; + uac2->pdrv.driver.name = uac2_name; + + uac2->pdev.id = 0; + uac2->pdev.name = uac2_name; + + /* Register snd_uac2 driver */ + err = platform_driver_register(&uac2->pdrv); + if (err) + return err; + + /* Register snd_uac2 device */ + err = platform_device_register(&uac2->pdev); + if (err) + platform_driver_unregister(&uac2->pdrv); + + return err; +} + +static void alsa_uac2_exit(struct audio_dev *agdev) +{ + struct snd_uac2_chip *uac2 = &agdev->uac2; + + platform_driver_unregister(&uac2->pdrv); + platform_device_unregister(&uac2->pdev); +} + + +/* --------- USB Function Interface ------------- */ + +enum { + STR_ASSOC, + STR_IF_CTRL, + STR_CLKSRC_IN, + STR_CLKSRC_OUT, + STR_USB_IT, + STR_IO_IT, + STR_USB_OT, + STR_IO_OT, + STR_AS_OUT_ALT0, + STR_AS_OUT_ALT1, + STR_AS_IN_ALT0, + STR_AS_IN_ALT1, +}; + +static const char ifassoc[] = "Source/Sink"; +static const char ifctrl[] = "Topology Control"; +static char clksrc_in[8]; +static char clksrc_out[8]; +static const char usb_it[] = "USBH Out"; +static const char io_it[] = "USBD Out"; +static const char usb_ot[] = "USBH In"; +static const char io_ot[] = "USBD In"; +static const char out_alt0[] = "Playback Inactive"; +static const char out_alt1[] = "Playback Active"; +static const char in_alt0[] = "Capture Inactive"; +static const char in_alt1[] = "Capture Active"; + +static struct usb_string strings_fn[] = { + [STR_ASSOC].s = ifassoc, + [STR_IF_CTRL].s = ifctrl, + [STR_CLKSRC_IN].s = clksrc_in, + [STR_CLKSRC_OUT].s = clksrc_out, + [STR_USB_IT].s = usb_it, + [STR_IO_IT].s = io_it, + [STR_USB_OT].s = usb_ot, + [STR_IO_OT].s = io_ot, + [STR_AS_OUT_ALT0].s = out_alt0, + [STR_AS_OUT_ALT1].s = out_alt1, + [STR_AS_IN_ALT0].s = in_alt0, + [STR_AS_IN_ALT1].s = in_alt1, + { }, +}; + +static struct usb_gadget_strings str_fn = { + .language = 0x0409, /* en-us */ + .strings = strings_fn, +}; + +static struct usb_gadget_strings *fn_strings[] = { + &str_fn, + NULL, +}; + +static struct usb_qualifier_descriptor devqual_desc = { + .bLength = sizeof devqual_desc, + .bDescriptorType = USB_DT_DEVICE_QUALIFIER, + + .bcdUSB = cpu_to_le16(0x200), + .bDeviceClass = USB_CLASS_MISC, + .bDeviceSubClass = 0x02, + .bDeviceProtocol = 0x01, + .bNumConfigurations = 1, + .bRESERVED = 0, +}; + +static struct usb_interface_assoc_descriptor iad_desc = { + .bLength = sizeof iad_desc, + .bDescriptorType = USB_DT_INTERFACE_ASSOCIATION, + + .bFirstInterface = 0, + .bInterfaceCount = 3, + .bFunctionClass = USB_CLASS_AUDIO, + .bFunctionSubClass = UAC2_FUNCTION_SUBCLASS_UNDEFINED, + .bFunctionProtocol = UAC_VERSION_2, +}; + +/* Audio Control Interface */ +static struct usb_interface_descriptor std_ac_if_desc = { + .bLength = sizeof std_ac_if_desc, + .bDescriptorType = USB_DT_INTERFACE, + + .bAlternateSetting = 0, + .bNumEndpoints = 0, + .bInterfaceClass = USB_CLASS_AUDIO, + .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, + .bInterfaceProtocol = UAC_VERSION_2, +}; + +/* Clock source for IN traffic */ +struct uac_clock_source_descriptor in_clk_src_desc = { + .bLength = sizeof in_clk_src_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC2_CLOCK_SOURCE, + .bClockID = USB_IN_CLK_ID, + .bmAttributes = UAC_CLOCK_SOURCE_TYPE_INT_FIXED, + .bmControls = (CONTROL_RDONLY << CLK_FREQ_CTRL), + .bAssocTerminal = 0, +}; + +/* Clock source for OUT traffic */ +struct uac_clock_source_descriptor out_clk_src_desc = { + .bLength = sizeof out_clk_src_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC2_CLOCK_SOURCE, + .bClockID = USB_OUT_CLK_ID, + .bmAttributes = UAC_CLOCK_SOURCE_TYPE_INT_FIXED, + .bmControls = (CONTROL_RDONLY << CLK_FREQ_CTRL), + .bAssocTerminal = 0, +}; + +/* Input Terminal for USB_OUT */ +struct uac2_input_terminal_descriptor usb_out_it_desc = { + .bLength = sizeof usb_out_it_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC_INPUT_TERMINAL, + .bTerminalID = USB_OUT_IT_ID, + .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), + .bAssocTerminal = 0, + .bCSourceID = USB_OUT_CLK_ID, + .iChannelNames = 0, + .bmControls = (CONTROL_RDWR << COPY_CTRL), +}; + +/* Input Terminal for I/O-In */ +struct uac2_input_terminal_descriptor io_in_it_desc = { + .bLength = sizeof io_in_it_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC_INPUT_TERMINAL, + .bTerminalID = IO_IN_IT_ID, + .wTerminalType = cpu_to_le16(UAC_INPUT_TERMINAL_UNDEFINED), + .bAssocTerminal = 0, + .bCSourceID = USB_IN_CLK_ID, + .iChannelNames = 0, + .bmControls = (CONTROL_RDWR << COPY_CTRL), +}; + +/* Ouput Terminal for USB_IN */ +struct uac2_output_terminal_descriptor usb_in_ot_desc = { + .bLength = sizeof usb_in_ot_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, + .bTerminalID = USB_IN_OT_ID, + .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), + .bAssocTerminal = 0, + .bSourceID = IO_IN_IT_ID, + .bCSourceID = USB_IN_CLK_ID, + .bmControls = (CONTROL_RDWR << COPY_CTRL), +}; + +/* Ouput Terminal for I/O-Out */ +struct uac2_output_terminal_descriptor io_out_ot_desc = { + .bLength = sizeof io_out_ot_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, + .bTerminalID = IO_OUT_OT_ID, + .wTerminalType = cpu_to_le16(UAC_OUTPUT_TERMINAL_UNDEFINED), + .bAssocTerminal = 0, + .bSourceID = USB_OUT_IT_ID, + .bCSourceID = USB_OUT_CLK_ID, + .bmControls = (CONTROL_RDWR << COPY_CTRL), +}; + +struct uac2_ac_header_descriptor ac_hdr_desc = { + .bLength = sizeof ac_hdr_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC_MS_HEADER, + .bcdADC = cpu_to_le16(0x200), + .bCategory = UAC2_FUNCTION_IO_BOX, + .wTotalLength = sizeof in_clk_src_desc + sizeof out_clk_src_desc + + sizeof usb_out_it_desc + sizeof io_in_it_desc + + sizeof usb_in_ot_desc + sizeof io_out_ot_desc, + .bmControls = 0, +}; + +/* Audio Streaming OUT Interface - Alt0 */ +static struct usb_interface_descriptor std_as_out_if0_desc = { + .bLength = sizeof std_as_out_if0_desc, + .bDescriptorType = USB_DT_INTERFACE, + + .bAlternateSetting = 0, + .bNumEndpoints = 0, + .bInterfaceClass = USB_CLASS_AUDIO, + .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, + .bInterfaceProtocol = UAC_VERSION_2, +}; + +/* Audio Streaming OUT Interface - Alt1 */ +static struct usb_interface_descriptor std_as_out_if1_desc = { + .bLength = sizeof std_as_out_if1_desc, + .bDescriptorType = USB_DT_INTERFACE, + + .bAlternateSetting = 1, + .bNumEndpoints = 1, + .bInterfaceClass = USB_CLASS_AUDIO, + .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, + .bInterfaceProtocol = UAC_VERSION_2, +}; + +/* Audio Stream OUT Intface Desc */ +struct uac2_as_header_descriptor as_out_hdr_desc = { + .bLength = sizeof as_out_hdr_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC_AS_GENERAL, + .bTerminalLink = USB_OUT_IT_ID, + .bmControls = 0, + .bFormatType = UAC_FORMAT_TYPE_I, + .bmFormats = cpu_to_le32(UAC_FORMAT_TYPE_I_PCM), + .iChannelNames = 0, +}; + +/* Audio USB_OUT Format */ +struct uac2_format_type_i_descriptor as_out_fmt1_desc = { + .bLength = sizeof as_out_fmt1_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubtype = UAC_FORMAT_TYPE, + .bFormatType = UAC_FORMAT_TYPE_I, +}; + +/* STD AS ISO OUT Endpoint */ +struct usb_endpoint_descriptor fs_epout_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .bInterval = 1, +}; + +struct usb_endpoint_descriptor hs_epout_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .bInterval = 4, +}; + +/* CS AS ISO OUT Endpoint */ +static struct uac2_iso_endpoint_descriptor as_iso_out_desc = { + .bLength = sizeof as_iso_out_desc, + .bDescriptorType = USB_DT_CS_ENDPOINT, + + .bDescriptorSubtype = UAC_EP_GENERAL, + .bmAttributes = 0, + .bmControls = 0, + .bLockDelayUnits = 0, + .wLockDelay = 0, +}; + +/* Audio Streaming IN Interface - Alt0 */ +static struct usb_interface_descriptor std_as_in_if0_desc = { + .bLength = sizeof std_as_in_if0_desc, + .bDescriptorType = USB_DT_INTERFACE, + + .bAlternateSetting = 0, + .bNumEndpoints = 0, + .bInterfaceClass = USB_CLASS_AUDIO, + .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, + .bInterfaceProtocol = UAC_VERSION_2, +}; + +/* Audio Streaming IN Interface - Alt1 */ +static struct usb_interface_descriptor std_as_in_if1_desc = { + .bLength = sizeof std_as_in_if1_desc, + .bDescriptorType = USB_DT_INTERFACE, + + .bAlternateSetting = 1, + .bNumEndpoints = 1, + .bInterfaceClass = USB_CLASS_AUDIO, + .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, + .bInterfaceProtocol = UAC_VERSION_2, +}; + +/* Audio Stream IN Intface Desc */ +struct uac2_as_header_descriptor as_in_hdr_desc = { + .bLength = sizeof as_in_hdr_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + + .bDescriptorSubtype = UAC_AS_GENERAL, + .bTerminalLink = USB_IN_OT_ID, + .bmControls = 0, + .bFormatType = UAC_FORMAT_TYPE_I, + .bmFormats = cpu_to_le32(UAC_FORMAT_TYPE_I_PCM), + .iChannelNames = 0, +}; + +/* Audio USB_IN Format */ +struct uac2_format_type_i_descriptor as_in_fmt1_desc = { + .bLength = sizeof as_in_fmt1_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubtype = UAC_FORMAT_TYPE, + .bFormatType = UAC_FORMAT_TYPE_I, +}; + +/* STD AS ISO IN Endpoint */ +struct usb_endpoint_descriptor fs_epin_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .bInterval = 1, +}; + +struct usb_endpoint_descriptor hs_epin_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .bInterval = 4, +}; + +/* CS AS ISO IN Endpoint */ +static struct uac2_iso_endpoint_descriptor as_iso_in_desc = { + .bLength = sizeof as_iso_in_desc, + .bDescriptorType = USB_DT_CS_ENDPOINT, + + .bDescriptorSubtype = UAC_EP_GENERAL, + .bmAttributes = 0, + .bmControls = 0, + .bLockDelayUnits = 0, + .wLockDelay = 0, +}; + +static struct usb_descriptor_header *fs_audio_desc[] = { + (struct usb_descriptor_header *)&iad_desc, + (struct usb_descriptor_header *)&std_ac_if_desc, + + (struct usb_descriptor_header *)&ac_hdr_desc, + (struct usb_descriptor_header *)&in_clk_src_desc, + (struct usb_descriptor_header *)&out_clk_src_desc, + (struct usb_descriptor_header *)&usb_out_it_desc, + (struct usb_descriptor_header *)&io_in_it_desc, + (struct usb_descriptor_header *)&usb_in_ot_desc, + (struct usb_descriptor_header *)&io_out_ot_desc, + + (struct usb_descriptor_header *)&std_as_out_if0_desc, + (struct usb_descriptor_header *)&std_as_out_if1_desc, + + (struct usb_descriptor_header *)&as_out_hdr_desc, + (struct usb_descriptor_header *)&as_out_fmt1_desc, + (struct usb_descriptor_header *)&fs_epout_desc, + (struct usb_descriptor_header *)&as_iso_out_desc, + + (struct usb_descriptor_header *)&std_as_in_if0_desc, + (struct usb_descriptor_header *)&std_as_in_if1_desc, + + (struct usb_descriptor_header *)&as_in_hdr_desc, + (struct usb_descriptor_header *)&as_in_fmt1_desc, + (struct usb_descriptor_header *)&fs_epin_desc, + (struct usb_descriptor_header *)&as_iso_in_desc, + NULL, +}; + +static struct usb_descriptor_header *hs_audio_desc[] = { + (struct usb_descriptor_header *)&iad_desc, + (struct usb_descriptor_header *)&std_ac_if_desc, + + (struct usb_descriptor_header *)&ac_hdr_desc, + (struct usb_descriptor_header *)&in_clk_src_desc, + (struct usb_descriptor_header *)&out_clk_src_desc, + (struct usb_descriptor_header *)&usb_out_it_desc, + (struct usb_descriptor_header *)&io_in_it_desc, + (struct usb_descriptor_header *)&usb_in_ot_desc, + (struct usb_descriptor_header *)&io_out_ot_desc, + + (struct usb_descriptor_header *)&std_as_out_if0_desc, + (struct usb_descriptor_header *)&std_as_out_if1_desc, + + (struct usb_descriptor_header *)&as_out_hdr_desc, + (struct usb_descriptor_header *)&as_out_fmt1_desc, + (struct usb_descriptor_header *)&hs_epout_desc, + (struct usb_descriptor_header *)&as_iso_out_desc, + + (struct usb_descriptor_header *)&std_as_in_if0_desc, + (struct usb_descriptor_header *)&std_as_in_if1_desc, + + (struct usb_descriptor_header *)&as_in_hdr_desc, + (struct usb_descriptor_header *)&as_in_fmt1_desc, + (struct usb_descriptor_header *)&hs_epin_desc, + (struct usb_descriptor_header *)&as_iso_in_desc, + NULL, +}; + +struct cntrl_cur_lay3 { + __u32 dCUR; +}; + +struct cntrl_range_lay3 { + __u16 wNumSubRanges; + __u32 dMIN; + __u32 dMAX; + __u32 dRES; +} __packed; + +static inline void +free_ep(struct uac2_rtd_params *prm, struct usb_ep *ep) +{ + struct snd_uac2_chip *uac2 = prm_to_uac2(prm); + int i; + + prm->ep_enabled = false; + + for (i = 0; i < USB_XFERS; i++) { + if (prm->ureq[i].req) { + usb_ep_dequeue(ep, prm->ureq[i].req); + usb_ep_free_request(ep, prm->ureq[i].req); + prm->ureq[i].req = NULL; + } + } + + if (usb_ep_disable(ep)) + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); +} + +static int __init +afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) +{ + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + struct usb_composite_dev *cdev = cfg->cdev; + struct usb_gadget *gadget = cdev->gadget; + struct uac2_rtd_params *prm; + int ret; + + ret = usb_interface_id(cfg, fn); + if (ret < 0) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + std_ac_if_desc.bInterfaceNumber = ret; + ALT_SET(agdev->ac_alt, 0); + INTF_SET(agdev->ac_alt, ret); + + ret = usb_interface_id(cfg, fn); + if (ret < 0) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + std_as_out_if0_desc.bInterfaceNumber = ret; + std_as_out_if1_desc.bInterfaceNumber = ret; + ALT_SET(agdev->as_out_alt, 0); + INTF_SET(agdev->as_out_alt, ret); + + ret = usb_interface_id(cfg, fn); + if (ret < 0) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + std_as_in_if0_desc.bInterfaceNumber = ret; + std_as_in_if1_desc.bInterfaceNumber = ret; + ALT_SET(agdev->as_in_alt, 0); + INTF_SET(agdev->as_in_alt, ret); + + agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc); + if (!agdev->out_ep) + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + agdev->out_ep->driver_data = agdev; + + agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc); + if (!agdev->in_ep) + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + agdev->in_ep->driver_data = agdev; + + hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; + hs_epout_desc.wMaxPacketSize = fs_epout_desc.wMaxPacketSize; + hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress; + hs_epin_desc.wMaxPacketSize = fs_epin_desc.wMaxPacketSize; + + fn->descriptors = usb_copy_descriptors(fs_audio_desc); + if (gadget_is_dualspeed(gadget)) + fn->hs_descriptors = usb_copy_descriptors(hs_audio_desc); + + prm = &agdev->uac2.c_prm; + prm->max_psize = hs_epout_desc.wMaxPacketSize; + prm->rbuf = kzalloc(prm->max_psize * USB_XFERS, GFP_KERNEL); + if (!prm->rbuf) { + prm->max_psize = 0; + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + } + + prm = &agdev->uac2.p_prm; + prm->max_psize = hs_epin_desc.wMaxPacketSize; + prm->rbuf = kzalloc(prm->max_psize * USB_XFERS, GFP_KERNEL); + if (!prm->rbuf) { + prm->max_psize = 0; + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + } + + return alsa_uac2_init(agdev); +} + +static void +afunc_unbind(struct usb_configuration *cfg, struct usb_function *fn) +{ + struct audio_dev *agdev = func_to_agdev(fn); + struct usb_composite_dev *cdev = cfg->cdev; + struct usb_gadget *gadget = cdev->gadget; + struct uac2_rtd_params *prm; + + alsa_uac2_exit(agdev); + + prm = &agdev->uac2.p_prm; + kfree(prm->rbuf); + + prm = &agdev->uac2.c_prm; + kfree(prm->rbuf); + + if (gadget_is_dualspeed(gadget)) + usb_free_descriptors(fn->hs_descriptors); + usb_free_descriptors(fn->descriptors); + + if (agdev->in_ep) + agdev->in_ep->driver_data = NULL; + if (agdev->out_ep) + agdev->out_ep->driver_data = NULL; +} + +static int +afunc_set_alt(struct usb_function *fn, unsigned intf, unsigned alt) +{ + struct usb_composite_dev *cdev = fn->config->cdev; + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + struct usb_gadget *gadget = cdev->gadget; + struct usb_request *req; + struct usb_ep *ep; + struct uac2_rtd_params *prm; + int i; + + /* No i/f has more than 2 alt settings */ + if (alt > 1) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return -EINVAL; + } + + if (intf == INTF_GET(agdev->ac_alt)) { + /* Control I/f has only 1 AltSetting - 0 */ + if (alt) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return -EINVAL; + } + return 0; + } + + if (intf == INTF_GET(agdev->as_out_alt)) { + ep = agdev->out_ep; + prm = &uac2->c_prm; + config_ep_by_speed(gadget, fn, ep); + ALT_SET(agdev->as_out_alt, alt); + } else if (intf == INTF_GET(agdev->as_in_alt)) { + ep = agdev->in_ep; + prm = &uac2->p_prm; + config_ep_by_speed(gadget, fn, ep); + ALT_SET(agdev->as_in_alt, alt); + } else { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return -EINVAL; + } + + if (alt == 0) { + free_ep(prm, ep); + return 0; + } + + prm->ep_enabled = true; + usb_ep_enable(ep); + + for (i = 0; i < USB_XFERS; i++) { + if (prm->ureq[i].req) { + if (usb_ep_queue(ep, prm->ureq[i].req, GFP_ATOMIC)) + dev_err(&uac2->pdev.dev, "%d Error!\n", + __LINE__); + continue; + } + + req = usb_ep_alloc_request(ep, GFP_ATOMIC); + if (req == NULL) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return -EINVAL; + } + + prm->ureq[i].req = req; + prm->ureq[i].pp = prm; + + req->zero = 0; + req->dma = DMA_ADDR_INVALID; + req->context = &prm->ureq[i]; + req->length = prm->max_psize; + req->complete = agdev_iso_complete; + req->buf = prm->rbuf + i * req->length; + + if (usb_ep_queue(ep, req, GFP_ATOMIC)) + dev_err(&uac2->pdev.dev, "%d Error!\n", __LINE__); + } + + return 0; +} + +static int +afunc_get_alt(struct usb_function *fn, unsigned intf) +{ + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + + if (intf == INTF_GET(agdev->ac_alt)) + return ALT_GET(agdev->ac_alt); + else if (intf == INTF_GET(agdev->as_out_alt)) + return ALT_GET(agdev->as_out_alt); + else if (intf == INTF_GET(agdev->as_in_alt)) + return ALT_GET(agdev->as_in_alt); + else + dev_err(&uac2->pdev.dev, + "%s:%d Invalid Interface %d!\n", + __func__, __LINE__, intf); + + return -EINVAL; +} + +static void +afunc_disable(struct usb_function *fn) +{ + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + + free_ep(&uac2->p_prm, agdev->in_ep); + ALT_SET(agdev->as_in_alt, 0); + + free_ep(&uac2->c_prm, agdev->out_ep); + ALT_SET(agdev->as_out_alt, 0); +} + +static int +in_rq_cur(struct usb_function *fn, const struct usb_ctrlrequest *cr) +{ + struct usb_request *req = fn->config->cdev->req; + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + u16 w_length = le16_to_cpu(cr->wLength); + u16 w_index = le16_to_cpu(cr->wIndex); + u16 w_value = le16_to_cpu(cr->wValue); + u8 entity_id = (w_index >> 8) & 0xff; + u8 control_selector = w_value >> 8; + int value = -EOPNOTSUPP; + + if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) { + struct cntrl_cur_lay3 c; + + if (entity_id == USB_IN_CLK_ID) + c.dCUR = p_srate; + else if (entity_id == USB_OUT_CLK_ID) + c.dCUR = c_srate; + + value = min_t(unsigned, w_length, sizeof c); + memcpy(req->buf, &c, value); + } else if (control_selector == UAC2_CS_CONTROL_CLOCK_VALID) { + *(u8 *)req->buf = 1; + value = min_t(unsigned, w_length, 1); + } else { + dev_err(&uac2->pdev.dev, + "%s:%d control_selector=%d TODO!\n", + __func__, __LINE__, control_selector); + } + + return value; +} + +static int +in_rq_range(struct usb_function *fn, const struct usb_ctrlrequest *cr) +{ + struct usb_request *req = fn->config->cdev->req; + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + u16 w_length = le16_to_cpu(cr->wLength); + u16 w_index = le16_to_cpu(cr->wIndex); + u16 w_value = le16_to_cpu(cr->wValue); + u8 entity_id = (w_index >> 8) & 0xff; + u8 control_selector = w_value >> 8; + struct cntrl_range_lay3 r; + int value = -EOPNOTSUPP; + + if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) { + if (entity_id == USB_IN_CLK_ID) + r.dMIN = p_srate; + else if (entity_id == USB_OUT_CLK_ID) + r.dMIN = c_srate; + else + return -EOPNOTSUPP; + + r.dMAX = r.dMIN; + r.dRES = 0; + r.wNumSubRanges = 1; + + value = min_t(unsigned, w_length, sizeof r); + memcpy(req->buf, &r, value); + } else { + dev_err(&uac2->pdev.dev, + "%s:%d control_selector=%d TODO!\n", + __func__, __LINE__, control_selector); + } + + return value; +} + +static int +ac_rq_in(struct usb_function *fn, const struct usb_ctrlrequest *cr) +{ + if (cr->bRequest == UAC2_CS_CUR) + return in_rq_cur(fn, cr); + else if (cr->bRequest == UAC2_CS_RANGE) + return in_rq_range(fn, cr); + else + return -EOPNOTSUPP; +} + +static int +out_rq_cur(struct usb_function *fn, const struct usb_ctrlrequest *cr) +{ + u16 w_length = le16_to_cpu(cr->wLength); + u16 w_value = le16_to_cpu(cr->wValue); + u8 control_selector = w_value >> 8; + + if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) + return w_length; + + return -EOPNOTSUPP; +} + +static int +setup_rq_inf(struct usb_function *fn, const struct usb_ctrlrequest *cr) +{ + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + u16 w_index = le16_to_cpu(cr->wIndex); + u8 intf = w_index & 0xff; + + if (intf != INTF_GET(agdev->ac_alt)) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + return -EOPNOTSUPP; + } + + if (cr->bRequestType & USB_DIR_IN) + return ac_rq_in(fn, cr); + else if (cr->bRequest == UAC2_CS_CUR) + return out_rq_cur(fn, cr); + + return -EOPNOTSUPP; +} + +static int +afunc_setup(struct usb_function *fn, const struct usb_ctrlrequest *cr) +{ + struct usb_composite_dev *cdev = fn->config->cdev; + struct audio_dev *agdev = func_to_agdev(fn); + struct snd_uac2_chip *uac2 = &agdev->uac2; + struct usb_request *req = cdev->req; + u16 w_length = le16_to_cpu(cr->wLength); + int value = -EOPNOTSUPP; + + /* Only Class specific requests are supposed to reach here */ + if ((cr->bRequestType & USB_TYPE_MASK) != USB_TYPE_CLASS) + return -EOPNOTSUPP; + + if ((cr->bRequestType & USB_RECIP_MASK) == USB_RECIP_INTERFACE) + value = setup_rq_inf(fn, cr); + else + dev_err(&uac2->pdev.dev, "%s:%d Error!\n", __func__, __LINE__); + + if (value >= 0) { + req->length = value; + req->zero = value < w_length; + value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC); + if (value < 0) { + dev_err(&uac2->pdev.dev, + "%s:%d Error!\n", __func__, __LINE__); + req->status = 0; + } + } + + return value; +} + +static int audio_bind_config(struct usb_configuration *cfg) +{ + int id, res; + + agdev_g = kzalloc(sizeof *agdev_g, GFP_KERNEL); + if (agdev_g == NULL) { + printk(KERN_ERR "Unable to allocate audio gadget\n"); + return -ENOMEM; + } + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_ASSOC].id = id; + iad_desc.iFunction = id, + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_IF_CTRL].id = id; + std_ac_if_desc.iInterface = id, + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_CLKSRC_IN].id = id; + in_clk_src_desc.iClockSource = id, + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_CLKSRC_OUT].id = id; + out_clk_src_desc.iClockSource = id, + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_USB_IT].id = id; + usb_out_it_desc.iTerminal = id, + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_IO_IT].id = id; + io_in_it_desc.iTerminal = id; + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_USB_OT].id = id; + usb_in_ot_desc.iTerminal = id; + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_IO_OT].id = id; + io_out_ot_desc.iTerminal = id; + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_AS_OUT_ALT0].id = id; + std_as_out_if0_desc.iInterface = id; + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_AS_OUT_ALT1].id = id; + std_as_out_if1_desc.iInterface = id; + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_AS_IN_ALT0].id = id; + std_as_in_if0_desc.iInterface = id; + + id = usb_string_id(cfg->cdev); + if (id < 0) + return id; + + strings_fn[STR_AS_IN_ALT1].id = id; + std_as_in_if1_desc.iInterface = id; + + agdev_g->func.name = "uac2_func"; + agdev_g->func.strings = fn_strings; + agdev_g->func.bind = afunc_bind; + agdev_g->func.unbind = afunc_unbind; + agdev_g->func.set_alt = afunc_set_alt; + agdev_g->func.get_alt = afunc_get_alt; + agdev_g->func.disable = afunc_disable; + agdev_g->func.setup = afunc_setup; + + /* Initialize the configurable parameters */ + usb_out_it_desc.bNrChannels = num_channels(c_chmask); + usb_out_it_desc.bmChannelConfig = cpu_to_le32(c_chmask); + io_in_it_desc.bNrChannels = num_channels(p_chmask); + io_in_it_desc.bmChannelConfig = cpu_to_le32(p_chmask); + as_out_hdr_desc.bNrChannels = num_channels(c_chmask); + as_out_hdr_desc.bmChannelConfig = cpu_to_le32(c_chmask); + as_in_hdr_desc.bNrChannels = num_channels(p_chmask); + as_in_hdr_desc.bmChannelConfig = cpu_to_le32(p_chmask); + as_out_fmt1_desc.bSubslotSize = c_ssize; + as_out_fmt1_desc.bBitResolution = c_ssize * 8; + as_in_fmt1_desc.bSubslotSize = p_ssize; + as_in_fmt1_desc.bBitResolution = p_ssize * 8; + + snprintf(clksrc_in, sizeof(clksrc_in), "%uHz", p_srate); + snprintf(clksrc_out, sizeof(clksrc_out), "%uHz", c_srate); + + res = usb_add_function(cfg, &agdev_g->func); + if (res < 0) + kfree(agdev_g); + + return res; +} + +static void +uac2_unbind_config(struct usb_configuration *cfg) +{ + kfree(agdev_g); + agdev_g = NULL; +} diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 47766f0e7ca..4fac5692774 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -855,7 +855,7 @@ static int class_setup_req(struct fsg_dev *fsg, if (transport_is_bbb()) { switch (ctrl->bRequest) { - case USB_BULK_RESET_REQUEST: + case US_BULK_RESET_REQUEST: if (ctrl->bRequestType != (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; @@ -871,7 +871,7 @@ static int class_setup_req(struct fsg_dev *fsg, value = DELAYED_STATUS; break; - case USB_BULK_GET_MAX_LUN_REQUEST: + case US_BULK_GET_MAX_LUN: if (ctrl->bRequestType != (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; @@ -2125,7 +2125,7 @@ static int send_status(struct fsg_dev *fsg) struct fsg_lun *curlun = fsg->curlun; struct fsg_buffhd *bh; int rc; - u8 status = USB_STATUS_PASS; + u8 status = US_BULK_STAT_OK; u32 sd, sdinfo = 0; /* Wait for the next buffer to become available */ @@ -2146,11 +2146,11 @@ static int send_status(struct fsg_dev *fsg) if (fsg->phase_error) { DBG(fsg, "sending phase-error status\n"); - status = USB_STATUS_PHASE_ERROR; + status = US_BULK_STAT_PHASE; sd = SS_INVALID_COMMAND; } else if (sd != SS_NO_SENSE) { DBG(fsg, "sending command-failure status\n"); - status = USB_STATUS_FAIL; + status = US_BULK_STAT_FAIL; VDBG(fsg, " sense data: SK x%02x, ASC x%02x, ASCQ x%02x;" " info x%x\n", SK(sd), ASC(sd), ASCQ(sd), sdinfo); @@ -2160,12 +2160,12 @@ static int send_status(struct fsg_dev *fsg) struct bulk_cs_wrap *csw = bh->buf; /* Store and send the Bulk-only CSW */ - csw->Signature = cpu_to_le32(USB_BULK_CS_SIG); + csw->Signature = cpu_to_le32(US_BULK_CS_SIGN); csw->Tag = fsg->tag; csw->Residue = cpu_to_le32(fsg->residue); csw->Status = status; - bh->inreq->length = USB_BULK_CS_WRAP_LEN; + bh->inreq->length = US_BULK_CS_WRAP_LEN; bh->inreq->zero = 0; start_transfer(fsg, fsg->bulk_in, bh->inreq, &bh->inreq_busy, &bh->state); @@ -2609,16 +2609,16 @@ static int do_scsi_command(struct fsg_dev *fsg) static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) { struct usb_request *req = bh->outreq; - struct fsg_bulk_cb_wrap *cbw = req->buf; + struct bulk_cb_wrap *cbw = req->buf; /* Was this a real packet? Should it be ignored? */ if (req->status || test_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags)) return -EINVAL; /* Is the CBW valid? */ - if (req->actual != USB_BULK_CB_WRAP_LEN || + if (req->actual != US_BULK_CB_WRAP_LEN || cbw->Signature != cpu_to_le32( - USB_BULK_CB_SIG)) { + US_BULK_CB_SIGN)) { DBG(fsg, "invalid CBW: len %u sig 0x%x\n", req->actual, le32_to_cpu(cbw->Signature)); @@ -2638,7 +2638,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) } /* Is the CBW meaningful? */ - if (cbw->Lun >= FSG_MAX_LUNS || cbw->Flags & ~USB_BULK_IN_FLAG || + if (cbw->Lun >= FSG_MAX_LUNS || cbw->Flags & ~US_BULK_FLAG_IN || cbw->Length <= 0 || cbw->Length > MAX_COMMAND_SIZE) { DBG(fsg, "non-meaningful CBW: lun = %u, flags = 0x%x, " "cmdlen %u\n", @@ -2656,7 +2656,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) /* Save the command for later */ fsg->cmnd_size = cbw->Length; memcpy(fsg->cmnd, cbw->CDB, fsg->cmnd_size); - if (cbw->Flags & USB_BULK_IN_FLAG) + if (cbw->Flags & US_BULK_FLAG_IN) fsg->data_dir = DATA_DIR_TO_HOST; else fsg->data_dir = DATA_DIR_FROM_HOST; @@ -2685,7 +2685,7 @@ static int get_next_command(struct fsg_dev *fsg) } /* Queue a request to read a Bulk-only CBW */ - set_bulk_out_req_length(fsg, bh, USB_BULK_CB_WRAP_LEN); + set_bulk_out_req_length(fsg, bh, US_BULK_CB_WRAP_LEN); start_transfer(fsg, fsg->bulk_out, bh->outreq, &bh->outreq_busy, &bh->state); diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c index b95697c03d0..877a2c46672 100644 --- a/drivers/usb/gadget/fsl_qe_udc.c +++ b/drivers/usb/gadget/fsl_qe_udc.c @@ -1638,6 +1638,7 @@ static int qe_ep_disable(struct usb_ep *_ep) /* Nuke all pending requests (does flush) */ nuke(ep, -ESHUTDOWN); ep->desc = NULL; + ep->ep.desc = NULL; ep->stopped = 1; ep->tx_req = NULL; qe_ep_reset(udc, ep->epnum); diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index b04712f19f1..b30e21fdbb1 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -659,6 +659,7 @@ static int fsl_ep_disable(struct usb_ep *_ep) nuke(ep, -ESHUTDOWN); ep->desc = NULL; + ep->ep.desc = NULL; ep->stopped = 1; spin_unlock_irqrestore(&udc->lock, flags); @@ -768,7 +769,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) * @is_last: return flag if it is the last dTD of the request * return: pointer to the built dTD */ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length, - dma_addr_t *dma, int *is_last) + dma_addr_t *dma, int *is_last, gfp_t gfp_flags) { u32 swap_temp; struct ep_td_struct *dtd; @@ -777,7 +778,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length, *length = min(req->req.length - req->req.actual, (unsigned)EP_MAX_LENGTH_TRANSFER); - dtd = dma_pool_alloc(udc_controller->td_pool, GFP_KERNEL, dma); + dtd = dma_pool_alloc(udc_controller->td_pool, gfp_flags, dma); if (dtd == NULL) return dtd; @@ -827,7 +828,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length, } /* Generate dtd chain for a request */ -static int fsl_req_to_dtd(struct fsl_req *req) +static int fsl_req_to_dtd(struct fsl_req *req, gfp_t gfp_flags) { unsigned count; int is_last; @@ -836,7 +837,7 @@ static int fsl_req_to_dtd(struct fsl_req *req) dma_addr_t dma; do { - dtd = fsl_build_dtd(req, &count, &dma, &is_last); + dtd = fsl_build_dtd(req, &count, &dma, &is_last, gfp_flags); if (dtd == NULL) return -ENOMEM; @@ -910,13 +911,11 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) req->req.actual = 0; req->dtd_count = 0; - spin_lock_irqsave(&udc->lock, flags); - /* build dtds and push them to device queue */ - if (!fsl_req_to_dtd(req)) { + if (!fsl_req_to_dtd(req, gfp_flags)) { + spin_lock_irqsave(&udc->lock, flags); fsl_queue_td(ep, req); } else { - spin_unlock_irqrestore(&udc->lock, flags); return -ENOMEM; } @@ -1217,7 +1216,7 @@ static int fsl_vbus_draw(struct usb_gadget *gadget, unsigned mA) udc = container_of(gadget, struct fsl_udc, gadget); if (udc->transceiver) - return otg_set_power(udc->transceiver, mA); + return usb_phy_set_power(udc->transceiver, mA); return -ENOTSUPP; } @@ -1295,7 +1294,7 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction) ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->mapped = 1; - if (fsl_req_to_dtd(req) == 0) + if (fsl_req_to_dtd(req, GFP_ATOMIC) == 0) fsl_queue_td(ep, req); else return -ENOMEM; @@ -1379,7 +1378,7 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value, req->mapped = 1; /* prime the data phase */ - if ((fsl_req_to_dtd(req) == 0)) + if ((fsl_req_to_dtd(req, GFP_ATOMIC) == 0)) fsl_queue_td(ep, req); else /* no mem */ goto stall; @@ -1966,7 +1965,8 @@ static int fsl_start(struct usb_gadget_driver *driver, /* connect to bus through transceiver */ if (udc_controller->transceiver) { - retval = otg_set_peripheral(udc_controller->transceiver, + retval = otg_set_peripheral( + udc_controller->transceiver->otg, &udc_controller->gadget); if (retval < 0) { ERR("can't bind to transceiver\n"); @@ -2006,7 +2006,7 @@ static int fsl_stop(struct usb_gadget_driver *driver) return -EINVAL; if (udc_controller->transceiver) - otg_set_peripheral(udc_controller->transceiver, NULL); + otg_set_peripheral(udc_controller->transceiver->otg, NULL); /* stop DR, disable intr */ dr_controller_stop(udc_controller); @@ -2430,7 +2430,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) #ifdef CONFIG_USB_OTG if (pdata->operating_mode == FSL_USB2_DR_OTG) { - udc_controller->transceiver = otg_get_transceiver(); + udc_controller->transceiver = usb_get_transceiver(); if (!udc_controller->transceiver) { ERR("Can't find OTG driver!\n"); ret = -ENODEV; diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h index f781f5dec41..e651469fd39 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.h +++ b/drivers/usb/gadget/fsl_usb2_udc.h @@ -471,7 +471,7 @@ struct fsl_udc { struct usb_ctrlrequest local_setup_buff; spinlock_t lock; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; unsigned softconnect:1; unsigned vbus_active:1; unsigned stopped:1; diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c index 0519d77915e..331cd6729d3 100644 --- a/drivers/usb/gadget/g_ffs.c +++ b/drivers/usb/gadget/g_ffs.c @@ -2,7 +2,7 @@ * g_ffs.c -- user mode file system API for USB composite function controllers * * Copyright (C) 2010 Samsung Electronics - * Author: Michal Nazarewicz <m.nazarewicz@samsung.com> + * Author: Michal Nazarewicz <mina86@mina86.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index 5af70fcce13..e1dfd32dc80 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -235,6 +235,7 @@ static void ep_reset(struct goku_udc_regs __iomem *regs, struct goku_ep *ep) ep->ep.maxpacket = MAX_FIFO_SIZE; ep->desc = NULL; + ep->ep.desc = NULL; ep->stopped = 1; ep->irqs = 0; ep->dma = 0; @@ -310,12 +311,9 @@ done(struct goku_ep *ep, struct goku_request *req, int status) status = req->req.status; dev = ep->dev; - if (req->mapped) { - pci_unmap_single(dev->pdev, req->req.dma, req->req.length, - ep->is_in ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); - req->req.dma = DMA_ADDR_INVALID; - req->mapped = 0; - } + + if (ep->dma) + usb_gadget_unmap_request(&dev->gadget, &req->req, ep->is_in); #ifndef USB_TRACE if (status && status != -ESHUTDOWN) @@ -736,10 +734,11 @@ goku_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) return -EBUSY; /* set up dma mapping in case the caller didn't */ - if (ep->dma && _req->dma == DMA_ADDR_INVALID) { - _req->dma = pci_map_single(dev->pdev, _req->buf, _req->length, - ep->is_in ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); - req->mapped = 1; + if (ep->dma) { + status = usb_gadget_map_request(&dev->gadget, &req->req, + ep->is_in); + if (status) + return status; } #ifdef USB_TRACE diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c index f888c3ede86..3493adf064f 100644 --- a/drivers/usb/gadget/hid.c +++ b/drivers/usb/gadget/hid.c @@ -60,9 +60,9 @@ static struct usb_device_descriptor device_desc = { /* .bDeviceClass = USB_CLASS_COMM, */ /* .bDeviceSubClass = 0, */ /* .bDeviceProtocol = 0, */ - .bDeviceClass = 0xEF, - .bDeviceSubClass = 2, - .bDeviceProtocol = 1, + .bDeviceClass = USB_CLASS_PER_INTERFACE, + .bDeviceSubClass = 0, + .bDeviceProtocol = 0, /* .bMaxPacketSize0 = f(hardware) */ /* Vendor and product id can be overridden by module parameters. */ diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index ae04266dba1..4f18a0e4607 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1043,6 +1043,8 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr) // FIXME don't call this with the spinlock held ... if (copy_to_user (buf, dev->req->buf, len)) retval = -EFAULT; + else + retval = len; clean_req (dev->gadget->ep0, dev->req); /* NOTE userspace can't yet choose to stall */ } diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index e2293c1588e..edd52d963f1 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -401,16 +401,7 @@ static void done(struct langwell_ep *ep, struct langwell_request *req, dma_pool_free(dev->dtd_pool, curr_dtd, curr_dtd->dtd_dma); } - if (req->mapped) { - dma_unmap_single(&dev->pdev->dev, - req->req.dma, req->req.length, - is_in(ep) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); - req->req.dma = DMA_ADDR_INVALID; - req->mapped = 0; - } else - dma_sync_single_for_cpu(&dev->pdev->dev, req->req.dma, - req->req.length, - is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + usb_gadget_unmap_request(&dev->gadget, &req->req, is_in(ep)); if (status != -ESHUTDOWN) dev_dbg(&dev->pdev->dev, @@ -487,6 +478,7 @@ static int langwell_ep_disable(struct usb_ep *_ep) nuke(ep, -ESHUTDOWN); ep->desc = NULL; + ep->ep.desc = NULL; ep->stopped = 1; spin_unlock_irqrestore(&dev->lock, flags); @@ -749,7 +741,8 @@ static int langwell_ep_queue(struct usb_ep *_ep, struct usb_request *_req, struct langwell_ep *ep; struct langwell_udc *dev; unsigned long flags; - int is_iso = 0, zlflag = 0; + int is_iso = 0; + int ret; /* always require a cpu-view buffer */ req = container_of(_req, struct langwell_request, req); @@ -776,33 +769,10 @@ static int langwell_ep_queue(struct usb_ep *_ep, struct usb_request *_req, if (unlikely(!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)) return -ESHUTDOWN; - /* set up dma mapping in case the caller didn't */ - if (_req->dma == DMA_ADDR_INVALID) { - /* WORKAROUND: WARN_ON(size == 0) */ - if (_req->length == 0) { - dev_vdbg(&dev->pdev->dev, "req->length: 0->1\n"); - zlflag = 1; - _req->length++; - } - - _req->dma = dma_map_single(&dev->pdev->dev, - _req->buf, _req->length, - is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - if (zlflag && (_req->length == 1)) { - dev_vdbg(&dev->pdev->dev, "req->length: 1->0\n"); - zlflag = 0; - _req->length = 0; - } - - req->mapped = 1; - dev_vdbg(&dev->pdev->dev, "req->mapped = 1\n"); - } else { - dma_sync_single_for_device(&dev->pdev->dev, - _req->dma, _req->length, - is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - req->mapped = 0; - dev_vdbg(&dev->pdev->dev, "req->mapped = 0\n"); - } + /* set up dma mapping */ + ret = usb_gadget_map_request(&dev->gadget, &req->req, is_in(ep)); + if (ret) + return ret; dev_dbg(&dev->pdev->dev, "%s queue req %p, len %u, buf %p, dma 0x%08x\n", @@ -1261,9 +1231,9 @@ static int langwell_vbus_draw(struct usb_gadget *_gadget, unsigned mA) dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); if (dev->transceiver) { - dev_vdbg(&dev->pdev->dev, "otg_set_power\n"); + dev_vdbg(&dev->pdev->dev, "usb_phy_set_power\n"); dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return otg_set_power(dev->transceiver, mA); + return usb_phy_set_power(dev->transceiver, mA); } dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); @@ -1906,7 +1876,7 @@ static int langwell_stop(struct usb_gadget *g, /* unbind OTG transceiver */ if (dev->transceiver) - (void)otg_set_peripheral(dev->transceiver, 0); + (void)otg_set_peripheral(dev->transceiver->otg, 0); /* disable interrupt and set controller to stop state */ langwell_udc_stop(dev); diff --git a/drivers/usb/gadget/langwell_udc.h b/drivers/usb/gadget/langwell_udc.h index d6e78accaff..8c8087abb48 100644 --- a/drivers/usb/gadget/langwell_udc.h +++ b/drivers/usb/gadget/langwell_udc.h @@ -162,7 +162,7 @@ struct langwell_udc { spinlock_t lock; /* device lock */ struct langwell_ep *ep; struct usb_gadget_driver *driver; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; u8 dev_addr; u32 usb_state; u32 resume_state; diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c index e24f72f82a4..1f376eba31f 100644 --- a/drivers/usb/gadget/mass_storage.c +++ b/drivers/usb/gadget/mass_storage.c @@ -3,7 +3,7 @@ * * Copyright (C) 2003-2008 Alan Stern * Copyright (C) 2009 Samsung Electronics - * Author: Michal Nazarewicz <m.nazarewicz@samsung.com> + * Author: Michal Nazarewicz <mina86@mina86.com> * All rights reserved. * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c index 7e7f515b8b1..c37fb33a3d1 100644 --- a/drivers/usb/gadget/multi.c +++ b/drivers/usb/gadget/multi.c @@ -4,7 +4,7 @@ * Copyright (C) 2008 David Brownell * Copyright (C) 2008 Nokia Corporation * Copyright (C) 2009 Samsung Electronics - * Author: Michal Nazarewicz (m.nazarewicz@samsung.com) + * Author: Michal Nazarewicz (mina86@mina86.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/usb/gadget/mv_udc.h b/drivers/usb/gadget/mv_udc.h index 34aadfae723..e2be9519abb 100644 --- a/drivers/usb/gadget/mv_udc.h +++ b/drivers/usb/gadget/mv_udc.h @@ -217,7 +217,7 @@ struct mv_udc { struct work_struct vbus_work; struct workqueue_struct *qwork; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; struct mv_usb_platform_data *pdata; diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index f97e737d26f..19bbe80c2f8 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -608,6 +608,7 @@ static int mv_ep_disable(struct usb_ep *_ep) nuke(ep, -ESHUTDOWN); ep->desc = NULL; + ep->ep.desc = NULL; ep->stopped = 1; spin_unlock_irqrestore(&udc->lock, flags); @@ -771,8 +772,7 @@ mv_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) udc->ep0_state = DATA_STATE_XMIT; /* irq handler advances the queue */ - if (req != NULL) - list_add_tail(&req->queue, &ep->queue); + list_add_tail(&req->queue, &ep->queue); spin_unlock_irqrestore(&udc->lock, flags); return 0; @@ -1384,7 +1384,8 @@ static int mv_udc_start(struct usb_gadget_driver *driver, } if (udc->transceiver) { - retval = otg_set_peripheral(udc->transceiver, &udc->gadget); + retval = otg_set_peripheral(udc->transceiver->otg, + &udc->gadget); if (retval) { dev_err(&udc->dev->dev, "unable to register peripheral to otg\n"); @@ -2181,7 +2182,7 @@ static int __devinit mv_udc_probe(struct platform_device *dev) #ifdef CONFIG_USB_OTG_UTILS if (pdata->mode == MV_USB_MODE_OTG) - udc->transceiver = otg_get_transceiver(); + udc->transceiver = usb_get_transceiver(); #endif udc->clknum = pdata->clknum; diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index 7322d293213..01ae56f4717 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -385,12 +385,9 @@ net2272_done(struct net2272_ep *ep, struct net2272_request *req, int status) status = req->req.status; dev = ep->dev; - if (use_dma && req->mapped) { - dma_unmap_single(dev->dev, req->req.dma, req->req.length, - ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - req->req.dma = DMA_ADDR_INVALID; - req->mapped = 0; - } + if (use_dma && ep->dma) + usb_gadget_unmap_request(&dev->gadget, &req->req, + ep->is_in); if (status && status != -ESHUTDOWN) dev_vdbg(dev->dev, "complete %s req %p stat %d len %u/%u buf %p\n", @@ -850,10 +847,11 @@ net2272_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) return -ESHUTDOWN; /* set up dma mapping in case the caller didn't */ - if (use_dma && ep->dma && _req->dma == DMA_ADDR_INVALID) { - _req->dma = dma_map_single(dev->dev, _req->buf, _req->length, - ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - req->mapped = 1; + if (use_dma && ep->dma) { + status = usb_gadget_map_request(&dev->gadget, _req, + ep->is_in); + if (status) + return status; } dev_vdbg(dev->dev, "%s queue req %p, len %d buf %p dma %08llx %s\n", diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index cdedd133674..a5ccabc37f3 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -806,12 +806,8 @@ done (struct net2280_ep *ep, struct net2280_request *req, int status) status = req->req.status; dev = ep->dev; - if (req->mapped) { - pci_unmap_single (dev->pdev, req->req.dma, req->req.length, - ep->is_in ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); - req->req.dma = DMA_ADDR_INVALID; - req->mapped = 0; - } + if (ep->dma) + usb_gadget_unmap_request(&dev->gadget, &req->req, ep->is_in); if (status && status != -ESHUTDOWN) VDEBUG (dev, "complete %s req %p stat %d len %u/%u\n", @@ -857,10 +853,13 @@ net2280_queue (struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) return -EOPNOTSUPP; /* set up dma mapping in case the caller didn't */ - if (ep->dma && _req->dma == DMA_ADDR_INVALID) { - _req->dma = pci_map_single (dev->pdev, _req->buf, _req->length, - ep->is_in ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); - req->mapped = 1; + if (ep->dma) { + int ret; + + ret = usb_gadget_map_request(&dev->gadget, _req, + ep->is_in); + if (ret) + return ret; } #if 0 diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 576cd8578b4..b44830df593 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -251,6 +251,7 @@ static int omap_ep_disable(struct usb_ep *_ep) spin_lock_irqsave(&ep->udc->lock, flags); ep->desc = NULL; + ep->ep.desc = NULL; nuke (ep, -ESHUTDOWN); ep->ep.maxpacket = ep->maxpacket; ep->has_dma = 0; @@ -1213,7 +1214,7 @@ static int omap_wakeup(struct usb_gadget *gadget) /* NOTE: non-OTG systems may use SRP TOO... */ } else if (!(udc->devstat & UDC_ATT)) { if (udc->transceiver) - retval = otg_start_srp(udc->transceiver); + retval = otg_start_srp(udc->transceiver->otg); } spin_unlock_irqrestore(&udc->lock, flags); @@ -1345,7 +1346,7 @@ static int omap_vbus_draw(struct usb_gadget *gadget, unsigned mA) udc = container_of(gadget, struct omap_udc, gadget); if (udc->transceiver) - return otg_set_power(udc->transceiver, mA); + return usb_phy_set_power(udc->transceiver, mA); return -EOPNOTSUPP; } @@ -1839,11 +1840,13 @@ static void devstate_irq(struct omap_udc *udc, u16 irq_src) spin_lock(&udc->lock); } if (udc->transceiver) - otg_set_suspend(udc->transceiver, 1); + usb_phy_set_suspend( + udc->transceiver, 1); } else { VDBG("resume\n"); if (udc->transceiver) - otg_set_suspend(udc->transceiver, 0); + usb_phy_set_suspend( + udc->transceiver, 0); if (udc->gadget.speed == USB_SPEED_FULL && udc->driver->resume) { spin_unlock(&udc->lock); @@ -2154,7 +2157,8 @@ static int omap_udc_start(struct usb_gadget_driver *driver, /* connect to bus through transceiver */ if (udc->transceiver) { - status = otg_set_peripheral(udc->transceiver, &udc->gadget); + status = otg_set_peripheral(udc->transceiver->otg, + &udc->gadget); if (status < 0) { ERR("can't bind to transceiver\n"); if (driver->unbind) { @@ -2200,7 +2204,7 @@ static int omap_udc_stop(struct usb_gadget_driver *driver) omap_vbus_session(&udc->gadget, 0); if (udc->transceiver) - (void) otg_set_peripheral(udc->transceiver, NULL); + (void) otg_set_peripheral(udc->transceiver->otg, NULL); else pullup_disable(udc); @@ -2650,7 +2654,7 @@ static void omap_udc_release(struct device *dev) } static int __init -omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) +omap_udc_setup(struct platform_device *odev, struct usb_phy *xceiv) { unsigned tmp, buf; @@ -2790,7 +2794,7 @@ static int __init omap_udc_probe(struct platform_device *pdev) { int status = -ENODEV; int hmc; - struct otg_transceiver *xceiv = NULL; + struct usb_phy *xceiv = NULL; const char *type = NULL; struct omap_usb_config *config = pdev->dev.platform_data; struct clk *dc_clk; @@ -2863,7 +2867,7 @@ static int __init omap_udc_probe(struct platform_device *pdev) * use it. Except for OTG, we don't _need_ to talk to one; * but not having one probably means no VBUS detection. */ - xceiv = otg_get_transceiver(); + xceiv = usb_get_transceiver(); if (xceiv) type = xceiv->label; else if (config->otg) { @@ -3009,7 +3013,7 @@ cleanup1: cleanup0: if (xceiv) - otg_put_transceiver(xceiv); + usb_put_transceiver(xceiv); if (cpu_is_omap16xx() || cpu_is_omap24xx() || cpu_is_omap7xx()) { clk_disable(hhc_clk); @@ -3039,7 +3043,7 @@ static int __exit omap_udc_remove(struct platform_device *pdev) pullup_disable(udc); if (udc->transceiver) { - otg_put_transceiver(udc->transceiver); + usb_put_transceiver(udc->transceiver); udc->transceiver = NULL; } omap_writew(0, UDC_SYSCON1); diff --git a/drivers/usb/gadget/omap_udc.h b/drivers/usb/gadget/omap_udc.h index 29edc51b6b2..59d3b2213cb 100644 --- a/drivers/usb/gadget/omap_udc.h +++ b/drivers/usb/gadget/omap_udc.h @@ -164,7 +164,7 @@ struct omap_udc { struct omap_ep ep[32]; u16 devstat; u16 clr_halt; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; struct list_head iso; unsigned softconnect:1; unsigned vbus_active:1; diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c index a3fcaae4bc2..65307064a6f 100644 --- a/drivers/usb/gadget/pch_udc.c +++ b/drivers/usb/gadget/pch_udc.c @@ -15,6 +15,14 @@ #include <linux/interrupt.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +#include <linux/gpio.h> +#include <linux/irq.h> + +/* GPIO port for VBUS detecting */ +static int vbus_gpio_port = -1; /* GPIO port number (-1:Not used) */ + +#define PCH_VBUS_PERIOD 3000 /* VBUS polling period (msec) */ +#define PCH_VBUS_INTERVAL 10 /* VBUS polling interval (msec) */ /* Address offset of Registers */ #define UDC_EP_REG_SHIFT 0x20 /* Offset to next EP */ @@ -296,6 +304,21 @@ struct pch_udc_ep { }; /** + * struct pch_vbus_gpio_data - Structure holding GPIO informaton + * for detecting VBUS + * @port: gpio port number + * @intr: gpio interrupt number + * @irq_work_fall Structure for WorkQueue + * @irq_work_rise Structure for WorkQueue + */ +struct pch_vbus_gpio_data { + int port; + int intr; + struct work_struct irq_work_fall; + struct work_struct irq_work_rise; +}; + +/** * struct pch_udc_dev - Structure holding complete information * of the PCH USB device * @gadget: gadget driver data @@ -311,6 +334,7 @@ struct pch_udc_ep { * @registered: driver regsitered with system * @suspended: driver in suspended state * @connected: gadget driver associated + * @vbus_session: required vbus_session state * @set_cfg_not_acked: pending acknowledgement 4 setup * @waiting_zlp_ack: pending acknowledgement 4 ZLP * @data_requests: DMA pool for data requests @@ -322,6 +346,7 @@ struct pch_udc_ep { * @base_addr: for mapped device memory * @irq: IRQ line for the device * @cfg_data: current cfg, intf, and alt in use + * @vbus_gpio: GPIO informaton for detecting VBUS */ struct pch_udc_dev { struct usb_gadget gadget; @@ -337,6 +362,7 @@ struct pch_udc_dev { registered:1, suspended:1, connected:1, + vbus_session:1, set_cfg_not_acked:1, waiting_zlp_ack:1; struct pci_pool *data_requests; @@ -347,7 +373,8 @@ struct pch_udc_dev { unsigned long phys_addr; void __iomem *base_addr; unsigned irq; - struct pch_udc_cfg_data cfg_data; + struct pch_udc_cfg_data cfg_data; + struct pch_vbus_gpio_data vbus_gpio; }; #define PCH_UDC_PCI_BAR 1 @@ -554,6 +581,29 @@ static void pch_udc_clear_disconnect(struct pch_udc_dev *dev) } /** + * pch_udc_reconnect() - This API initializes usb device controller, + * and clear the disconnect status. + * @dev: Reference to pch_udc_regs structure + */ +static void pch_udc_init(struct pch_udc_dev *dev); +static void pch_udc_reconnect(struct pch_udc_dev *dev) +{ + pch_udc_init(dev); + + /* enable device interrupts */ + /* pch_udc_enable_interrupts() */ + pch_udc_bit_clr(dev, UDC_DEVIRQMSK_ADDR, + UDC_DEVINT_UR | UDC_DEVINT_ENUM); + + /* Clear the disconnect */ + pch_udc_bit_set(dev, UDC_DEVCTL_ADDR, UDC_DEVCTL_RES); + pch_udc_bit_clr(dev, UDC_DEVCTL_ADDR, UDC_DEVCTL_SD); + mdelay(1); + /* Resume USB signalling */ + pch_udc_bit_clr(dev, UDC_DEVCTL_ADDR, UDC_DEVCTL_RES); +} + +/** * pch_udc_vbus_session() - set or clearr the disconnect status. * @dev: Reference to pch_udc_regs structure * @is_active: Parameter specifying the action @@ -563,10 +613,18 @@ static void pch_udc_clear_disconnect(struct pch_udc_dev *dev) static inline void pch_udc_vbus_session(struct pch_udc_dev *dev, int is_active) { - if (is_active) - pch_udc_clear_disconnect(dev); - else + if (is_active) { + pch_udc_reconnect(dev); + dev->vbus_session = 1; + } else { + if (dev->driver && dev->driver->disconnect) { + spin_unlock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } pch_udc_set_disconnect(dev); + dev->vbus_session = 0; + } } /** @@ -1126,7 +1184,17 @@ static int pch_udc_pcd_pullup(struct usb_gadget *gadget, int is_on) if (!gadget) return -EINVAL; dev = container_of(gadget, struct pch_udc_dev, gadget); - pch_udc_vbus_session(dev, is_on); + if (is_on) { + pch_udc_reconnect(dev); + } else { + if (dev->driver && dev->driver->disconnect) { + spin_unlock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } + pch_udc_set_disconnect(dev); + } + return 0; } @@ -1183,6 +1251,188 @@ static const struct usb_gadget_ops pch_udc_ops = { }; /** + * pch_vbus_gpio_get_value() - This API gets value of GPIO port as VBUS status. + * @dev: Reference to the driver structure + * + * Return value: + * 1: VBUS is high + * 0: VBUS is low + * -1: It is not enable to detect VBUS using GPIO + */ +static int pch_vbus_gpio_get_value(struct pch_udc_dev *dev) +{ + int vbus = 0; + + if (dev->vbus_gpio.port) + vbus = gpio_get_value(dev->vbus_gpio.port) ? 1 : 0; + else + vbus = -1; + + return vbus; +} + +/** + * pch_vbus_gpio_work_fall() - This API keeps watch on VBUS becoming Low. + * If VBUS is Low, disconnect is processed + * @irq_work: Structure for WorkQueue + * + */ +static void pch_vbus_gpio_work_fall(struct work_struct *irq_work) +{ + struct pch_vbus_gpio_data *vbus_gpio = container_of(irq_work, + struct pch_vbus_gpio_data, irq_work_fall); + struct pch_udc_dev *dev = + container_of(vbus_gpio, struct pch_udc_dev, vbus_gpio); + int vbus_saved = -1; + int vbus; + int count; + + if (!dev->vbus_gpio.port) + return; + + for (count = 0; count < (PCH_VBUS_PERIOD / PCH_VBUS_INTERVAL); + count++) { + vbus = pch_vbus_gpio_get_value(dev); + + if ((vbus_saved == vbus) && (vbus == 0)) { + dev_dbg(&dev->pdev->dev, "VBUS fell"); + if (dev->driver + && dev->driver->disconnect) { + dev->driver->disconnect( + &dev->gadget); + } + if (dev->vbus_gpio.intr) + pch_udc_init(dev); + else + pch_udc_reconnect(dev); + return; + } + vbus_saved = vbus; + mdelay(PCH_VBUS_INTERVAL); + } +} + +/** + * pch_vbus_gpio_work_rise() - This API checks VBUS is High. + * If VBUS is High, connect is processed + * @irq_work: Structure for WorkQueue + * + */ +static void pch_vbus_gpio_work_rise(struct work_struct *irq_work) +{ + struct pch_vbus_gpio_data *vbus_gpio = container_of(irq_work, + struct pch_vbus_gpio_data, irq_work_rise); + struct pch_udc_dev *dev = + container_of(vbus_gpio, struct pch_udc_dev, vbus_gpio); + int vbus; + + if (!dev->vbus_gpio.port) + return; + + mdelay(PCH_VBUS_INTERVAL); + vbus = pch_vbus_gpio_get_value(dev); + + if (vbus == 1) { + dev_dbg(&dev->pdev->dev, "VBUS rose"); + pch_udc_reconnect(dev); + return; + } +} + +/** + * pch_vbus_gpio_irq() - IRQ handler for GPIO intrerrupt for changing VBUS + * @irq: Interrupt request number + * @dev: Reference to the device structure + * + * Return codes: + * 0: Success + * -EINVAL: GPIO port is invalid or can't be initialized. + */ +static irqreturn_t pch_vbus_gpio_irq(int irq, void *data) +{ + struct pch_udc_dev *dev = (struct pch_udc_dev *)data; + + if (!dev->vbus_gpio.port || !dev->vbus_gpio.intr) + return IRQ_NONE; + + if (pch_vbus_gpio_get_value(dev)) + schedule_work(&dev->vbus_gpio.irq_work_rise); + else + schedule_work(&dev->vbus_gpio.irq_work_fall); + + return IRQ_HANDLED; +} + +/** + * pch_vbus_gpio_init() - This API initializes GPIO port detecting VBUS. + * @dev: Reference to the driver structure + * @vbus_gpio Number of GPIO port to detect gpio + * + * Return codes: + * 0: Success + * -EINVAL: GPIO port is invalid or can't be initialized. + */ +static int pch_vbus_gpio_init(struct pch_udc_dev *dev, int vbus_gpio_port) +{ + int err; + int irq_num = 0; + + dev->vbus_gpio.port = 0; + dev->vbus_gpio.intr = 0; + + if (vbus_gpio_port <= -1) + return -EINVAL; + + err = gpio_is_valid(vbus_gpio_port); + if (!err) { + pr_err("%s: gpio port %d is invalid\n", + __func__, vbus_gpio_port); + return -EINVAL; + } + + err = gpio_request(vbus_gpio_port, "pch_vbus"); + if (err) { + pr_err("%s: can't request gpio port %d, err: %d\n", + __func__, vbus_gpio_port, err); + return -EINVAL; + } + + dev->vbus_gpio.port = vbus_gpio_port; + gpio_direction_input(vbus_gpio_port); + INIT_WORK(&dev->vbus_gpio.irq_work_fall, pch_vbus_gpio_work_fall); + + irq_num = gpio_to_irq(vbus_gpio_port); + if (irq_num > 0) { + irq_set_irq_type(irq_num, IRQ_TYPE_EDGE_BOTH); + err = request_irq(irq_num, pch_vbus_gpio_irq, 0, + "vbus_detect", dev); + if (!err) { + dev->vbus_gpio.intr = irq_num; + INIT_WORK(&dev->vbus_gpio.irq_work_rise, + pch_vbus_gpio_work_rise); + } else { + pr_err("%s: can't request irq %d, err: %d\n", + __func__, irq_num, err); + } + } + + return 0; +} + +/** + * pch_vbus_gpio_free() - This API frees resources of GPIO port + * @dev: Reference to the driver structure + */ +static void pch_vbus_gpio_free(struct pch_udc_dev *dev) +{ + if (dev->vbus_gpio.intr) + free_irq(dev->vbus_gpio.intr, dev); + + if (dev->vbus_gpio.port) + gpio_free(dev->vbus_gpio.port); +} + +/** * complete_req() - This API is invoked from the driver when processing * of a request is complete * @ep: Reference to the endpoint structure @@ -1493,6 +1743,7 @@ static int pch_udc_pcd_ep_disable(struct usb_ep *usbep) pch_udc_ep_disable(ep); pch_udc_disable_ep_interrupts(ep->dev, PCH_UDC_EPINT(ep->in, ep->num)); ep->desc = NULL; + ep->ep.desc = NULL; INIT_LIST_HEAD(&ep->queue); spin_unlock_irqrestore(&ep->dev->lock, iflags); return 0; @@ -2335,8 +2586,11 @@ static void pch_udc_svc_ur_interrupt(struct pch_udc_dev *dev) /* Complete request queue */ empty_req_queue(ep); } - if (dev->driver && dev->driver->disconnect) + if (dev->driver && dev->driver->disconnect) { + spin_unlock(&dev->lock); dev->driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } } /** @@ -2371,6 +2625,11 @@ static void pch_udc_svc_enum_interrupt(struct pch_udc_dev *dev) pch_udc_set_dma(dev, DMA_DIR_TX); pch_udc_set_dma(dev, DMA_DIR_RX); pch_udc_ep_set_rrdy(&(dev->ep[UDC_EP0OUT_IDX])); + + /* enable device interrupts */ + pch_udc_enable_interrupts(dev, UDC_DEVINT_UR | UDC_DEVINT_US | + UDC_DEVINT_ES | UDC_DEVINT_ENUM | + UDC_DEVINT_SI | UDC_DEVINT_SC); } /** @@ -2459,12 +2718,18 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) */ static void pch_udc_dev_isr(struct pch_udc_dev *dev, u32 dev_intr) { + int vbus; + /* USB Reset Interrupt */ - if (dev_intr & UDC_DEVINT_UR) + if (dev_intr & UDC_DEVINT_UR) { pch_udc_svc_ur_interrupt(dev); + dev_dbg(&dev->pdev->dev, "USB_RESET\n"); + } /* Enumeration Done Interrupt */ - if (dev_intr & UDC_DEVINT_ENUM) + if (dev_intr & UDC_DEVINT_ENUM) { pch_udc_svc_enum_interrupt(dev); + dev_dbg(&dev->pdev->dev, "USB_ENUM\n"); + } /* Set Interface Interrupt */ if (dev_intr & UDC_DEVINT_SI) pch_udc_svc_intf_interrupt(dev); @@ -2472,8 +2737,30 @@ static void pch_udc_dev_isr(struct pch_udc_dev *dev, u32 dev_intr) if (dev_intr & UDC_DEVINT_SC) pch_udc_svc_cfg_interrupt(dev); /* USB Suspend interrupt */ - if (dev_intr & UDC_DEVINT_US) + if (dev_intr & UDC_DEVINT_US) { + if (dev->driver + && dev->driver->suspend) { + spin_unlock(&dev->lock); + dev->driver->suspend(&dev->gadget); + spin_lock(&dev->lock); + } + + vbus = pch_vbus_gpio_get_value(dev); + if ((dev->vbus_session == 0) + && (vbus != 1)) { + if (dev->driver && dev->driver->disconnect) { + spin_unlock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } + pch_udc_reconnect(dev); + } else if ((dev->vbus_session == 0) + && (vbus == 1) + && !dev->vbus_gpio.intr) + schedule_work(&dev->vbus_gpio.irq_work_fall); + dev_dbg(&dev->pdev->dev, "USB_SUSPEND\n"); + } /* Clear the SOF interrupt, if enabled */ if (dev_intr & UDC_DEVINT_SOF) dev_dbg(&dev->pdev->dev, "SOF\n"); @@ -2499,6 +2786,14 @@ static irqreturn_t pch_udc_isr(int irq, void *pdev) dev_intr = pch_udc_read_device_interrupts(dev); ep_intr = pch_udc_read_ep_interrupts(dev); + /* For a hot plug, this find that the controller is hung up. */ + if (dev_intr == ep_intr) + if (dev_intr == pch_udc_readl(dev, UDC_DEVCFG_ADDR)) { + dev_dbg(&dev->pdev->dev, "UDC: Hung up\n"); + /* The controller is reset */ + pch_udc_writel(dev, UDC_SRST, UDC_SRST_ADDR); + return IRQ_HANDLED; + } if (dev_intr) /* Clear device interrupts */ pch_udc_write_device_interrupts(dev, dev_intr); @@ -2625,6 +2920,7 @@ static int pch_udc_pcd_init(struct pch_udc_dev *dev) { pch_udc_init(dev); pch_udc_pcd_reinit(dev); + pch_vbus_gpio_init(dev, vbus_gpio_port); return 0; } @@ -2725,7 +3021,8 @@ static int pch_udc_start(struct usb_gadget_driver *driver, pch_udc_setup_ep0(dev); /* clear SD */ - pch_udc_clear_disconnect(dev); + if ((pch_vbus_gpio_get_value(dev) != 0) || !dev->vbus_gpio.intr) + pch_udc_clear_disconnect(dev); dev->connected = 1; return 0; @@ -2803,6 +3100,8 @@ static void pch_udc_remove(struct pci_dev *pdev) UDC_EP0OUT_BUFF_SIZE * 4, DMA_FROM_DEVICE); kfree(dev->ep0out_buf); + pch_vbus_gpio_free(dev); + pch_udc_exit(dev); if (dev->irq_registered) @@ -2912,8 +3211,10 @@ static int pch_udc_probe(struct pci_dev *pdev, } pch_udc = dev; /* initialize the hardware */ - if (pch_udc_pcd_init(dev)) + if (pch_udc_pcd_init(dev)) { + retval = -ENODEV; goto finished; + } if (request_irq(pdev->irq, pch_udc_isr, IRQF_SHARED, KBUILD_MODNAME, dev)) { dev_err(&pdev->dev, "%s: request_irq(%d) fail\n", __func__, diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index dd470635f4f..1b33634f273 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -283,6 +283,7 @@ static int pxa25x_ep_disable (struct usb_ep *_ep) pxa25x_ep_fifo_flush (_ep); ep->desc = NULL; + ep->ep.desc = NULL; ep->stopped = 1; local_irq_restore(flags); @@ -995,7 +996,7 @@ static int pxa25x_udc_vbus_draw(struct usb_gadget *_gadget, unsigned mA) udc = container_of(_gadget, struct pxa25x_udc, gadget); if (udc->transceiver) - return otg_set_power(udc->transceiver, mA); + return usb_phy_set_power(udc->transceiver, mA); return -EOPNOTSUPP; } @@ -1192,6 +1193,7 @@ static void udc_reinit(struct pxa25x_udc *dev) list_add_tail (&ep->ep.ep_list, &dev->gadget.ep_list); ep->desc = NULL; + ep->ep.desc = NULL; ep->stopped = 0; INIT_LIST_HEAD (&ep->queue); ep->pio_irqs = 0; @@ -1301,7 +1303,8 @@ fail: /* connect to bus through transceiver */ if (dev->transceiver) { - retval = otg_set_peripheral(dev->transceiver, &dev->gadget); + retval = otg_set_peripheral(dev->transceiver->otg, + &dev->gadget); if (retval) { DMSG("can't bind to transceiver\n"); if (driver->unbind) @@ -1360,7 +1363,7 @@ static int pxa25x_stop(struct usb_gadget_driver *driver) local_irq_enable(); if (dev->transceiver) - (void) otg_set_peripheral(dev->transceiver, NULL); + (void) otg_set_peripheral(dev->transceiver->otg, NULL); driver->unbind(&dev->gadget); dev->gadget.dev.driver = NULL; @@ -2159,7 +2162,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev) dev->dev = &pdev->dev; dev->mach = pdev->dev.platform_data; - dev->transceiver = otg_get_transceiver(); + dev->transceiver = usb_get_transceiver(); if (gpio_is_valid(dev->mach->gpio_pullup)) { if ((retval = gpio_request(dev->mach->gpio_pullup, @@ -2238,7 +2241,7 @@ lubbock_fail0: gpio_free(dev->mach->gpio_pullup); err_gpio_pullup: if (dev->transceiver) { - otg_put_transceiver(dev->transceiver); + usb_put_transceiver(dev->transceiver); dev->transceiver = NULL; } clk_put(dev->clk); @@ -2280,7 +2283,7 @@ static int __exit pxa25x_udc_remove(struct platform_device *pdev) clk_put(dev->clk); if (dev->transceiver) { - otg_put_transceiver(dev->transceiver); + usb_put_transceiver(dev->transceiver); dev->transceiver = NULL; } diff --git a/drivers/usb/gadget/pxa25x_udc.h b/drivers/usb/gadget/pxa25x_udc.h index 8eaf4e43726..893e917f048 100644 --- a/drivers/usb/gadget/pxa25x_udc.h +++ b/drivers/usb/gadget/pxa25x_udc.h @@ -119,7 +119,7 @@ struct pxa25x_udc { struct device *dev; struct clk *clk; struct pxa2xx_udc_mach_info *mach; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; u64 dma_mask; struct pxa25x_ep ep [PXA_UDC_NUM_ENDPOINTS]; diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index f4c44eb806c..98acb3ab9e1 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -1666,7 +1666,7 @@ static int pxa_udc_vbus_draw(struct usb_gadget *_gadget, unsigned mA) udc = to_gadget_udc(_gadget); if (udc->transceiver) - return otg_set_power(udc->transceiver, mA); + return usb_phy_set_power(udc->transceiver, mA); return -EOPNOTSUPP; } @@ -1835,7 +1835,8 @@ static int pxa27x_udc_start(struct usb_gadget_driver *driver, driver->driver.name); if (udc->transceiver) { - retval = otg_set_peripheral(udc->transceiver, &udc->gadget); + retval = otg_set_peripheral(udc->transceiver->otg, + &udc->gadget); if (retval) { dev_err(udc->dev, "can't bind to transceiver\n"); goto transceiver_fail; @@ -1908,7 +1909,7 @@ static int pxa27x_udc_stop(struct usb_gadget_driver *driver) driver->driver.name); if (udc->transceiver) - return otg_set_peripheral(udc->transceiver, NULL); + return otg_set_peripheral(udc->transceiver->otg, NULL); return 0; } @@ -2463,7 +2464,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev) udc->dev = &pdev->dev; udc->mach = pdev->dev.platform_data; - udc->transceiver = otg_get_transceiver(); + udc->transceiver = usb_get_transceiver(); gpio = udc->mach->gpio_pullup; if (gpio_is_valid(gpio)) { @@ -2542,7 +2543,7 @@ static int __exit pxa_udc_remove(struct platform_device *_dev) if (gpio_is_valid(gpio)) gpio_free(gpio); - otg_put_transceiver(udc->transceiver); + usb_put_transceiver(udc->transceiver); udc->transceiver = NULL; platform_set_drvdata(_dev, NULL); diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h index 7f4e8f424e8..a1d268c6f2c 100644 --- a/drivers/usb/gadget/pxa27x_udc.h +++ b/drivers/usb/gadget/pxa27x_udc.h @@ -447,7 +447,7 @@ struct pxa_udc { struct usb_gadget_driver *driver; struct device *dev; struct pxa2xx_udc_mach_info *mach; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; enum ep0_state ep0state; struct udc_stats stats; diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index f5b8d215e1d..c4401e7dd3a 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -663,11 +663,7 @@ static int sudmac_alloc_channel(struct r8a66597 *r8a66597, ep->fifoctr = D0FIFOCTR; /* dma mapping */ - req->req.dma = dma_map_single(r8a66597_to_dev(ep->r8a66597), - req->req.buf, req->req.length, - dma->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - - return 0; + return usb_gadget_map_request(&r8a66597->gadget, &req->req, dma->dir); } static void sudmac_free_channel(struct r8a66597 *r8a66597, @@ -677,9 +673,7 @@ static void sudmac_free_channel(struct r8a66597 *r8a66597, if (!r8a66597_is_sudmac(r8a66597)) return; - dma_unmap_single(r8a66597_to_dev(ep->r8a66597), - req->req.dma, req->req.length, - ep->dma->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + usb_gadget_unmap_request(&r8a66597->gadget, &req->req, ep->dma->dir); r8a66597_bclr(r8a66597, DREQE, ep->fifosel); r8a66597_change_curpipe(r8a66597, 0, 0, ep->fifosel); diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c index df8661d266c..cef9b82ff91 100644 --- a/drivers/usb/gadget/s3c-hsudc.c +++ b/drivers/usb/gadget/s3c-hsudc.c @@ -30,6 +30,7 @@ #include <linux/prefetch.h> #include <linux/platform_data/s3c-hsudc.h> #include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> #include <mach/regs-s3c2443-clock.h> @@ -145,7 +146,7 @@ struct s3c_hsudc { struct usb_gadget_driver *driver; struct device *dev; struct s3c24xx_hsudc_platdata *pd; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; struct regulator_bulk_data supplies[ARRAY_SIZE(s3c_hsudc_supply_names)]; spinlock_t lock; void __iomem *regs; @@ -759,7 +760,7 @@ static int s3c_hsudc_ep_enable(struct usb_ep *_ep, unsigned long flags; u32 ecr = 0; - hsep = container_of(_ep, struct s3c_hsudc_ep, ep); + hsep = our_ep(_ep); if (!_ep || !desc || hsep->desc || _ep->name == ep0name || desc->bDescriptorType != USB_DT_ENDPOINT || hsep->bEndpointAddress != desc->bEndpointAddress @@ -816,6 +817,7 @@ static int s3c_hsudc_ep_disable(struct usb_ep *_ep) s3c_hsudc_nuke_ep(hsep, -ESHUTDOWN); hsep->desc = 0; + hsep->ep.desc = NULL; hsep->stopped = 1; spin_unlock_irqrestore(&hsudc->lock, flags); @@ -853,7 +855,7 @@ static void s3c_hsudc_free_request(struct usb_ep *ep, struct usb_request *_req) { struct s3c_hsudc_req *hsreq; - hsreq = container_of(_req, struct s3c_hsudc_req, req); + hsreq = our_req(_req); WARN_ON(!list_empty(&hsreq->queue)); kfree(hsreq); } @@ -876,12 +878,12 @@ static int s3c_hsudc_queue(struct usb_ep *_ep, struct usb_request *_req, u32 offset; u32 csr; - hsreq = container_of(_req, struct s3c_hsudc_req, req); + hsreq = our_req(_req); if ((!_req || !_req->complete || !_req->buf || !list_empty(&hsreq->queue))) return -EINVAL; - hsep = container_of(_ep, struct s3c_hsudc_ep, ep); + hsep = our_ep(_ep); hsudc = hsep->dev; if (!hsudc->driver || hsudc->gadget.speed == USB_SPEED_UNKNOWN) return -ESHUTDOWN; @@ -935,7 +937,7 @@ static int s3c_hsudc_dequeue(struct usb_ep *_ep, struct usb_request *_req) struct s3c_hsudc_req *hsreq; unsigned long flags; - hsep = container_of(_ep, struct s3c_hsudc_ep, ep); + hsep = our_ep(_ep); if (!_ep || hsep->ep.name == ep0name) return -EINVAL; @@ -1005,6 +1007,7 @@ static void s3c_hsudc_initep(struct s3c_hsudc *hsudc, hsep->ep.ops = &s3c_hsudc_ep_ops; hsep->fifo = hsudc->regs + S3C_BR(epnum); hsep->desc = 0; + hsep->ep.desc = NULL; hsep->stopped = 0; hsep->wedge = 0; @@ -1166,7 +1169,8 @@ static int s3c_hsudc_start(struct usb_gadget *gadget, /* connect to bus through transceiver */ if (hsudc->transceiver) { - ret = otg_set_peripheral(hsudc->transceiver, &hsudc->gadget); + ret = otg_set_peripheral(hsudc->transceiver->otg, + &hsudc->gadget); if (ret) { dev_err(hsudc->dev, "%s: can't bind to transceiver\n", hsudc->gadget.name); @@ -1178,6 +1182,9 @@ static int s3c_hsudc_start(struct usb_gadget *gadget, dev_info(hsudc->dev, "bound driver %s\n", driver->driver.name); s3c_hsudc_reconfig(hsudc); + + pm_runtime_get_sync(hsudc->dev); + s3c_hsudc_init_phy(); if (hsudc->pd->gpio_init) hsudc->pd->gpio_init(); @@ -1208,13 +1215,16 @@ static int s3c_hsudc_stop(struct usb_gadget *gadget, hsudc->gadget.dev.driver = NULL; hsudc->gadget.speed = USB_SPEED_UNKNOWN; s3c_hsudc_uninit_phy(); + + pm_runtime_put(hsudc->dev); + if (hsudc->pd->gpio_uninit) hsudc->pd->gpio_uninit(); s3c_hsudc_stop_activity(hsudc); spin_unlock_irqrestore(&hsudc->lock, flags); if (hsudc->transceiver) - (void) otg_set_peripheral(hsudc->transceiver, NULL); + (void) otg_set_peripheral(hsudc->transceiver->otg, NULL); disable_irq(hsudc->irq); @@ -1243,7 +1253,7 @@ static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA) return -ENODEV; if (hsudc->transceiver) - return otg_set_power(hsudc->transceiver, mA); + return usb_phy_set_power(hsudc->transceiver, mA); return -EOPNOTSUPP; } @@ -1275,7 +1285,7 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev) hsudc->dev = dev; hsudc->pd = pdev->dev.platform_data; - hsudc->transceiver = otg_get_transceiver(); + hsudc->transceiver = usb_get_transceiver(); for (i = 0; i < ARRAY_SIZE(hsudc->supplies); i++) hsudc->supplies[i].supply = s3c_hsudc_supply_names[i]; @@ -1362,6 +1372,8 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev) if (ret) goto err_add_udc; + pm_runtime_enable(dev); + return 0; err_add_udc: device_unregister(&hsudc->gadget.dev); @@ -1377,7 +1389,7 @@ err_remap: release_mem_region(res->start, resource_size(res)); err_res: if (hsudc->transceiver) - otg_put_transceiver(hsudc->transceiver); + usb_put_transceiver(hsudc->transceiver); regulator_bulk_free(ARRAY_SIZE(hsudc->supplies), hsudc->supplies); err_supplies: diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index 3f87cb9344b..ab9c65e2c1d 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -1148,6 +1148,7 @@ static int s3c2410_udc_ep_disable(struct usb_ep *_ep) dprintk(DEBUG_NORMAL, "ep_disable: %s\n", _ep->name); ep->desc = NULL; + ep->ep.desc = NULL; ep->halted = 1; s3c2410_udc_nuke (ep->dev, ep, -ESHUTDOWN); @@ -1630,6 +1631,7 @@ static void s3c2410_udc_reinit(struct s3c2410_udc *dev) ep->dev = dev; ep->desc = NULL; + ep->ep.desc = NULL; ep->halted = 0; INIT_LIST_HEAD (&ep->queue); } diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index ad9e5b2df64..665c07422c2 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -242,7 +242,7 @@ static struct usb_composite_driver gserial_driver = { .name = "g_serial", .dev = &device_desc, .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_SUPER, }; static int __init init(void) diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c index 85ea14e2545..8081ca3a70a 100644 --- a/drivers/usb/gadget/storage_common.c +++ b/drivers/usb/gadget/storage_common.c @@ -3,7 +3,7 @@ * * Copyright (C) 2003-2008 Alan Stern * Copyeight (C) 2009 Samsung Electronics - * Author: Michal Nazarewicz (m.nazarewicz@samsung.com) + * Author: Michal Nazarewicz (mina86@mina86.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -145,48 +145,8 @@ #endif /* DUMP_MSGS */ - - - - /*-------------------------------------------------------------------------*/ -/* Bulk-only data structures */ - -/* Command Block Wrapper */ -struct fsg_bulk_cb_wrap { - __le32 Signature; /* Contains 'USBC' */ - u32 Tag; /* Unique per command id */ - __le32 DataTransferLength; /* Size of the data */ - u8 Flags; /* Direction in bit 7 */ - u8 Lun; /* LUN (normally 0) */ - u8 Length; /* Of the CDB, <= MAX_COMMAND_SIZE */ - u8 CDB[16]; /* Command Data Block */ -}; - -#define USB_BULK_CB_WRAP_LEN 31 -#define USB_BULK_CB_SIG 0x43425355 /* Spells out USBC */ -#define USB_BULK_IN_FLAG 0x80 - -/* Command Status Wrapper */ -struct bulk_cs_wrap { - __le32 Signature; /* Should = 'USBS' */ - u32 Tag; /* Same as original command */ - __le32 Residue; /* Amount not transferred */ - u8 Status; /* See below */ -}; - -#define USB_BULK_CS_WRAP_LEN 13 -#define USB_BULK_CS_SIG 0x53425355 /* Spells out 'USBS' */ -#define USB_STATUS_PASS 0 -#define USB_STATUS_FAIL 1 -#define USB_STATUS_PHASE_ERROR 2 - -/* Bulk-only class specific requests */ -#define USB_BULK_RESET_REQUEST 0xff -#define USB_BULK_GET_MAX_LUN_REQUEST 0xfe - - /* CBI Interrupt data structure */ struct interrupt_data { u8 bType; diff --git a/drivers/usb/gadget/u_audio.c b/drivers/usb/gadget/u_uac1.c index 59ffe1ecf1c..af989898205 100644 --- a/drivers/usb/gadget/u_audio.c +++ b/drivers/usb/gadget/u_uac1.c @@ -1,5 +1,5 @@ /* - * u_audio.c -- ALSA audio utilities for Gadget stack + * u_uac1.c -- ALSA audio utilities for Gadget stack * * Copyright (C) 2008 Bryan Wu <cooloney@kernel.org> * Copyright (C) 2008 Analog Devices, Inc @@ -17,7 +17,7 @@ #include <linux/random.h> #include <linux/syscalls.h> -#include "u_audio.h" +#include "u_uac1.h" /* * This component encapsulates the ALSA devices for USB audio gadget diff --git a/drivers/usb/gadget/u_audio.h b/drivers/usb/gadget/u_uac1.h index 08ffce3298e..18c2e729faf 100644 --- a/drivers/usb/gadget/u_audio.h +++ b/drivers/usb/gadget/u_uac1.h @@ -1,5 +1,5 @@ /* - * u_audio.h -- interface to USB gadget "ALSA AUDIO" utilities + * u_uac1.h -- interface to USB gadget "ALSA AUDIO" utilities * * Copyright (C) 2008 Bryan Wu <cooloney@kernel.org> * Copyright (C) 2008 Analog Devices, Inc diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index 0b0d12ccc48..56da49f31d6 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -22,6 +22,7 @@ #include <linux/device.h> #include <linux/list.h> #include <linux/err.h> +#include <linux/dma-mapping.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> @@ -49,6 +50,57 @@ static DEFINE_MUTEX(udc_lock); /* ------------------------------------------------------------------------- */ +int usb_gadget_map_request(struct usb_gadget *gadget, + struct usb_request *req, int is_in) +{ + if (req->length == 0) + return 0; + + if (req->num_sgs) { + int mapped; + + mapped = dma_map_sg(&gadget->dev, req->sg, req->num_sgs, + is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + if (mapped == 0) { + dev_err(&gadget->dev, "failed to map SGs\n"); + return -EFAULT; + } + + req->num_mapped_sgs = mapped; + } else { + req->dma = dma_map_single(&gadget->dev, req->buf, req->length, + is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + + if (dma_mapping_error(&gadget->dev, req->dma)) { + dev_err(&gadget->dev, "failed to map buffer\n"); + return -EFAULT; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(usb_gadget_map_request); + +void usb_gadget_unmap_request(struct usb_gadget *gadget, + struct usb_request *req, int is_in) +{ + if (req->length == 0) + return; + + if (req->num_mapped_sgs) { + dma_unmap_sg(&gadget->dev, req->sg, req->num_mapped_sgs, + is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + + req->num_mapped_sgs = 0; + } else { + dma_unmap_single(&gadget->dev, req->dma, req->length, + is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + } +} +EXPORT_SYMBOL_GPL(usb_gadget_unmap_request); + +/* ------------------------------------------------------------------------- */ + /** * usb_gadget_start - tells usb device controller to start up * @gadget: The gadget we want to get started diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 353cdd488b9..f788eb86707 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -27,6 +27,10 @@ config USB_XHCI_HCD To compile this driver as a module, choose M here: the module will be called xhci-hcd. +config USB_XHCI_PLATFORM + tristate + depends on USB_XHCI_HCD + config USB_XHCI_HCD_DEBUGGING bool "Debugging for the xHCI host controller" depends on USB_XHCI_HCD @@ -196,7 +200,7 @@ config USB_EHCI_S5P config USB_EHCI_MV bool "EHCI support for Marvell on-chip controller" - depends on USB_EHCI_HCD + depends on USB_EHCI_HCD && (ARCH_PXA || ARCH_MMP) select USB_EHCI_ROOT_HUB_TT ---help--- Enables support for Marvell (including PXA and MMP series) on-chip @@ -218,11 +222,15 @@ config USB_CNS3XXX_EHCI support. config USB_EHCI_ATH79 - bool "EHCI support for AR7XXX/AR9XXX SoCs" + bool "EHCI support for AR7XXX/AR9XXX SoCs (DEPRECATED)" depends on USB_EHCI_HCD && (SOC_AR71XX || SOC_AR724X || SOC_AR913X || SOC_AR933X) select USB_EHCI_ROOT_HUB_TT + select USB_EHCI_HCD_PLATFORM default y ---help--- + This option is deprecated now and the driver was removed, use + USB_EHCI_HCD_PLATFORM instead. + Enables support for the built-in EHCI controller present on the Atheros AR7XXX/AR9XXX SoCs. @@ -312,10 +320,14 @@ config USB_OHCI_HCD_OMAP3 OMAP3 and later chips. config USB_OHCI_ATH79 - bool "USB OHCI support for the Atheros AR71XX/AR7240 SoCs" + bool "USB OHCI support for the Atheros AR71XX/AR7240 SoCs (DEPRECATED)" depends on USB_OHCI_HCD && (SOC_AR71XX || SOC_AR724X) + select USB_OHCI_HCD_PLATFORM default y help + This option is deprecated now and the driver was removed, use + USB_OHCI_HCD_PLATFORM instead. + Enables support for the built-in OHCI controller present on the Atheros AR71XX/AR7240 SoCs. @@ -393,6 +405,26 @@ config USB_CNS3XXX_OHCI Enable support for the CNS3XXX SOC's on-chip OHCI controller. It is needed for low-speed USB 1.0 device support. +config USB_OHCI_HCD_PLATFORM + bool "Generic OHCI driver for a platform device" + depends on USB_OHCI_HCD && EXPERIMENTAL + default n + ---help--- + Adds an OHCI host driver for a generic platform device, which + provieds a memory space and an irq. + + If unsure, say N. + +config USB_EHCI_HCD_PLATFORM + bool "Generic EHCI driver for a platform device" + depends on USB_EHCI_HCD && EXPERIMENTAL + default n + ---help--- + Adds an EHCI host driver for a generic platform device, which + provieds a memory space and an irq. + + If unsure, say N. + config USB_OHCI_BIG_ENDIAN_DESC bool depends on USB_OHCI_HCD @@ -606,10 +638,3 @@ config USB_OCTEON_OHCI config USB_OCTEON2_COMMON bool default y if USB_OCTEON_EHCI || USB_OCTEON_OHCI - -config USB_PXA168_EHCI - bool "Marvell PXA168 on-chip EHCI HCD support" - depends on USB_EHCI_HCD && ARCH_MMP - help - Enable support for Marvell PXA168 SoC's on-chip EHCI - host controller diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 7ca290fcb07..0982bcc140b 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -15,6 +15,10 @@ xhci-hcd-y := xhci.o xhci-mem.o xhci-hcd-y += xhci-ring.o xhci-hub.o xhci-dbg.o xhci-hcd-$(CONFIG_PCI) += xhci-pci.o +ifneq ($(CONFIG_USB_XHCI_PLATFORM), ) + xhci-hcd-y += xhci-plat.o +endif + obj-$(CONFIG_USB_WHCI_HCD) += whci/ obj-$(CONFIG_PCI) += pci-quirks.o diff --git a/drivers/usb/host/ehci-ath79.c b/drivers/usb/host/ehci-ath79.c deleted file mode 100644 index f1424f9bc36..00000000000 --- a/drivers/usb/host/ehci-ath79.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Bus Glue for Atheros AR7XXX/AR9XXX built-in EHCI controller. - * - * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> - * - * Parts of this file are based on Atheros' 2.6.15 BSP - * Copyright (C) 2007 Atheros Communications, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/platform_device.h> - -enum { - EHCI_ATH79_IP_V1 = 0, - EHCI_ATH79_IP_V2, -}; - -static const struct platform_device_id ehci_ath79_id_table[] = { - { - .name = "ar71xx-ehci", - .driver_data = EHCI_ATH79_IP_V1, - }, - { - .name = "ar724x-ehci", - .driver_data = EHCI_ATH79_IP_V2, - }, - { - .name = "ar913x-ehci", - .driver_data = EHCI_ATH79_IP_V2, - }, - { - .name = "ar933x-ehci", - .driver_data = EHCI_ATH79_IP_V2, - }, - { - /* terminating entry */ - }, -}; - -MODULE_DEVICE_TABLE(platform, ehci_ath79_id_table); - -static int ehci_ath79_init(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - struct platform_device *pdev = to_platform_device(hcd->self.controller); - const struct platform_device_id *id; - int ret; - - id = platform_get_device_id(pdev); - if (!id) { - dev_err(hcd->self.controller, "missing device id\n"); - return -EINVAL; - } - - switch (id->driver_data) { - case EHCI_ATH79_IP_V1: - ehci->has_synopsys_hc_bug = 1; - - ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, - ehci_readl(ehci, &ehci->caps->hc_capbase)); - break; - - case EHCI_ATH79_IP_V2: - hcd->has_tt = 1; - - ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci, - ehci_readl(ehci, &ehci->caps->hc_capbase)); - break; - - default: - BUG(); - } - - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - ehci->sbrn = 0x20; - - ehci_reset(ehci); - - ret = ehci_init(hcd); - if (ret) - return ret; - - ehci_port_power(ehci, 0); - - return 0; -} - -static const struct hc_driver ehci_ath79_hc_driver = { - .description = hcd_name, - .product_desc = "Atheros built-in EHCI controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - .reset = ehci_ath79_init, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - .get_frame_number = ehci_get_frame, - - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int ehci_ath79_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct resource *res; - int irq; - int ret; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_dbg(&pdev->dev, "no IRQ specified\n"); - return -ENODEV; - } - irq = res->start; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_dbg(&pdev->dev, "no base address specified\n"); - return -ENODEV; - } - - hcd = usb_create_hcd(&ehci_ath79_hc_driver, &pdev->dev, - dev_name(&pdev->dev)); - if (!hcd) - return -ENOMEM; - - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - ret = -EBUSY; - goto err_put_hcd; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - ret = -EFAULT; - goto err_release_region; - } - - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret) - goto err_iounmap; - - return 0; - -err_iounmap: - iounmap(hcd->regs); - -err_release_region: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err_put_hcd: - usb_put_hcd(hcd); - return ret; -} - -static int ehci_ath79_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - - return 0; -} - -static struct platform_driver ehci_ath79_driver = { - .probe = ehci_ath79_probe, - .remove = ehci_ath79_remove, - .id_table = ehci_ath79_id_table, - .driver = { - .owner = THIS_MODULE, - .name = "ath79-ehci", - } -}; - -MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ath79-ehci"); diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index d6d74d2e09f..fd9109d7eb0 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -107,7 +107,7 @@ static void dbg_hcc_params (struct ehci_hcd *ehci, char *label) HCC_PER_PORT_CHANGE_EVENT(params) ? " ppce" : "", HCC_HW_PREFETCH(params) ? " hw prefetch" : "", HCC_32FRAME_PERIODIC_LIST(params) ? - " 32 peridic list" : ""); + " 32 periodic list" : ""); } } #else diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index b556a72264d..3e7345172e0 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -142,12 +142,12 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, if (pdata->operating_mode == FSL_USB2_DR_OTG) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - ehci->transceiver = otg_get_transceiver(); + ehci->transceiver = usb_get_transceiver(); dev_dbg(&pdev->dev, "hcd=0x%p ehci=0x%p, transceiver=0x%p\n", hcd, ehci, ehci->transceiver); if (ehci->transceiver) { - retval = otg_set_host(ehci->transceiver, + retval = otg_set_host(ehci->transceiver->otg, &ehci_to_hcd(ehci)->self); if (retval) { if (ehci->transceiver) @@ -194,7 +194,7 @@ static void usb_hcd_fsl_remove(struct usb_hcd *hcd, struct ehci_hcd *ehci = hcd_to_ehci(hcd); if (ehci->transceiver) { - otg_set_host(ehci->transceiver, NULL); + otg_set_host(ehci->transceiver->otg, NULL); put_device(ehci->transceiver->dev); } @@ -216,6 +216,8 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci, unsigned int port_offset) { u32 portsc; + struct usb_hcd *hcd = ehci_to_hcd(ehci); + void __iomem *non_ehci = hcd->regs; portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]); portsc &= ~(PORT_PTS_MSK | PORT_PTS_PTW); @@ -231,6 +233,8 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci, portsc |= PORT_PTS_PTW; /* fall through */ case FSL_USB2_PHY_UTMI: + /* enable UTMI PHY */ + setbits32(non_ehci + FSL_SOC_USB_CTRL, CTRL_UTMI_PHY_EN); portsc |= PORT_PTS_UTMI; break; case FSL_USB2_PHY_NONE: @@ -252,21 +256,18 @@ static void ehci_fsl_usb_setup(struct ehci_hcd *ehci) if (pdata->have_sysif_regs) { temp = in_be32(non_ehci + FSL_SOC_USB_CTRL); out_be32(non_ehci + FSL_SOC_USB_CTRL, temp | 0x00000004); - out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0000001b); - } -#if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) - /* - * Turn on cache snooping hardware, since some PowerPC platforms - * wholly rely on hardware to deal with cache coherent - */ + /* + * Turn on cache snooping hardware, since some PowerPC platforms + * wholly rely on hardware to deal with cache coherent + */ - /* Setup Snooping for all the 4GB space */ - /* SNOOP1 starts from 0x0, size 2G */ - out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB); - /* SNOOP2 starts from 0x80000000, size 2G */ - out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB); -#endif + /* Setup Snooping for all the 4GB space */ + /* SNOOP1 starts from 0x0, size 2G */ + out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB); + /* SNOOP2 starts from 0x80000000, size 2G */ + out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB); + } if ((pdata->operating_mode == FSL_USB2_DR_HOST) || (pdata->operating_mode == FSL_USB2_DR_OTG)) @@ -316,7 +317,9 @@ static int ehci_fsl_setup(struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci(hcd); int retval; struct fsl_usb2_platform_data *pdata; + struct device *dev; + dev = hcd->self.controller; pdata = hcd->self.controller->platform_data; ehci->big_endian_desc = pdata->big_endian_desc; ehci->big_endian_mmio = pdata->big_endian_mmio; @@ -346,6 +349,16 @@ static int ehci_fsl_setup(struct usb_hcd *hcd) ehci_reset(ehci); + if (of_device_is_compatible(dev->parent->of_node, + "fsl,mpc5121-usb2-dr")) { + /* + * set SBUSCFG:AHBBRST so that control msgs don't + * fail when doing heavy PATA writes. + */ + ehci_writel(ehci, SBUSCFG_INCR8, + hcd->regs + FSL_SOC_USB_SBUSCFG); + } + retval = ehci_fsl_reinit(ehci); return retval; } @@ -469,6 +482,8 @@ static int ehci_fsl_mpc512x_drv_resume(struct device *dev) ehci_writel(ehci, ISIPHYCTRL_PXE | ISIPHYCTRL_PHYE, hcd->regs + FSL_SOC_USB_ISIPHYCTRL); + ehci_writel(ehci, SBUSCFG_INCR8, hcd->regs + FSL_SOC_USB_SBUSCFG); + /* restore EHCI registers */ ehci_writel(ehci, pdata->pm_command, &ehci->regs->command); ehci_writel(ehci, pdata->pm_intr_enable, &ehci->regs->intr_enable); diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h index 49180622116..863fb0c080d 100644 --- a/drivers/usb/host/ehci-fsl.h +++ b/drivers/usb/host/ehci-fsl.h @@ -19,6 +19,8 @@ #define _EHCI_FSL_H /* offsets for the non-ehci registers in the FSL SOC USB controller */ +#define FSL_SOC_USB_SBUSCFG 0x90 +#define SBUSCFG_INCR8 0x02 /* INCR8, specified */ #define FSL_SOC_USB_ULPIVP 0x170 #define FSL_SOC_USB_PORTSC1 0x184 #define PORT_PTS_MSK (3<<30) @@ -45,5 +47,7 @@ #define FSL_SOC_USB_PRICTRL 0x40c /* NOTE: big-endian */ #define FSL_SOC_USB_SICTRL 0x410 /* NOTE: big-endian */ #define FSL_SOC_USB_CTRL 0x500 /* NOTE: big-endian */ +#define CTRL_UTMI_PHY_EN (1<<9) +#define CTRL_PHY_CLK_VALID (1 << 17) #define SNOOP_SIZE_2GB 0x1e #endif /* _EHCI_FSL_H */ diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index a007a9fe0f8..aede6374e4b 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1351,21 +1351,11 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER s5p_ehci_driver #endif -#ifdef CONFIG_USB_EHCI_ATH79 -#include "ehci-ath79.c" -#define PLATFORM_DRIVER ehci_ath79_driver -#endif - #ifdef CONFIG_SPARC_LEON #include "ehci-grlib.c" #define PLATFORM_DRIVER ehci_grlib_driver #endif -#ifdef CONFIG_USB_PXA168_EHCI -#include "ehci-pxa168.c" -#define PLATFORM_DRIVER ehci_pxa168_driver -#endif - #ifdef CONFIG_CPU_XLR #include "ehci-xls.c" #define PLATFORM_DRIVER ehci_xls_driver @@ -1376,6 +1366,16 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_mv_driver #endif +#ifdef CONFIG_MACH_LOONGSON1 +#include "ehci-ls1x.c" +#define PLATFORM_DRIVER ehci_ls1x_driver +#endif + +#ifdef CONFIG_USB_EHCI_HCD_PLATFORM +#include "ehci-platform.c" +#define PLATFORM_DRIVER ehci_platform_driver +#endif + #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ !defined(XILINX_OF_PLATFORM_DRIVER) diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 77bbb2357e4..256fbd42e48 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -107,7 +107,7 @@ static void ehci_handover_companion_ports(struct ehci_hcd *ehci) ehci->owned_ports = 0; } -static int ehci_port_change(struct ehci_hcd *ehci) +static int __maybe_unused ehci_port_change(struct ehci_hcd *ehci) { int i = HCS_N_PORTS(ehci->hcs_params); @@ -727,7 +727,7 @@ static int ehci_hub_control ( #ifdef CONFIG_USB_OTG if ((hcd->self.otg_port == (wIndex + 1)) && hcd->self.b_hnp_enable) { - otg_start_hnp(ehci->transceiver); + otg_start_hnp(ehci->transceiver->otg); break; } #endif @@ -1076,7 +1076,8 @@ error_exit: return retval; } -static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum) +static void __maybe_unused ehci_relinquish_port(struct usb_hcd *hcd, + int portnum) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); @@ -1085,7 +1086,8 @@ static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum) set_owner(ehci, --portnum, PORT_OWNER); } -static int ehci_port_handed_over(struct usb_hcd *hcd, int portnum) +static int __maybe_unused ehci_port_handed_over(struct usb_hcd *hcd, + int portnum) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); u32 __iomem *reg; diff --git a/drivers/usb/host/ehci-ls1x.c b/drivers/usb/host/ehci-ls1x.c new file mode 100644 index 00000000000..a283e59709d --- /dev/null +++ b/drivers/usb/host/ehci-ls1x.c @@ -0,0 +1,159 @@ +/* + * Bus Glue for Loongson LS1X built-in EHCI controller. + * + * Copyright (c) 2012 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + + +#include <linux/platform_device.h> + +static int ehci_ls1x_reset(struct usb_hcd *hcd) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + int ret; + + ehci->caps = hcd->regs; + + ret = ehci_setup(hcd); + if (ret) + return ret; + + ehci_port_power(ehci, 0); + + return 0; +} + +static const struct hc_driver ehci_ls1x_hc_driver = { + .description = hcd_name, + .product_desc = "LOONGSON1 EHCI", + .hcd_priv_size = sizeof(struct ehci_hcd), + + /* + * generic hardware linkage + */ + .irq = ehci_irq, + .flags = HCD_MEMORY | HCD_USB2, + + /* + * basic lifecycle operations + */ + .reset = ehci_ls1x_reset, + .start = ehci_run, + .stop = ehci_stop, + .shutdown = ehci_shutdown, + + /* + * managing i/o requests and associated device resources + */ + .urb_enqueue = ehci_urb_enqueue, + .urb_dequeue = ehci_urb_dequeue, + .endpoint_disable = ehci_endpoint_disable, + .endpoint_reset = ehci_endpoint_reset, + + /* + * scheduling support + */ + .get_frame_number = ehci_get_frame, + + /* + * root hub support + */ + .hub_status_data = ehci_hub_status_data, + .hub_control = ehci_hub_control, + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, + + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +}; + +static int ehci_hcd_ls1x_probe(struct platform_device *pdev) +{ + struct usb_hcd *hcd; + struct resource *res; + int irq; + int ret; + + pr_debug("initializing loongson1 ehci USB Controller\n"); + + if (usb_disabled()) + return -ENODEV; + + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res) { + dev_err(&pdev->dev, + "Found HC with no IRQ. Check %s setup!\n", + dev_name(&pdev->dev)); + return -ENODEV; + } + irq = res->start; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, + "Found HC with no register addr. Check %s setup!\n", + dev_name(&pdev->dev)); + return -ENODEV; + } + + hcd = usb_create_hcd(&ehci_ls1x_hc_driver, &pdev->dev, + dev_name(&pdev->dev)); + if (!hcd) + return -ENOMEM; + hcd->rsrc_start = res->start; + hcd->rsrc_len = resource_size(res); + + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { + dev_dbg(&pdev->dev, "controller already in use\n"); + ret = -EBUSY; + goto err_put_hcd; + } + + hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); + if (hcd->regs == NULL) { + dev_dbg(&pdev->dev, "error mapping memory\n"); + ret = -EFAULT; + goto err_release_region; + } + + ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); + if (ret) + goto err_iounmap; + + return ret; + +err_iounmap: + iounmap(hcd->regs); +err_release_region: + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); +err_put_hcd: + usb_put_hcd(hcd); + return ret; +} + +static int ehci_hcd_ls1x_remove(struct platform_device *pdev) +{ + struct usb_hcd *hcd = platform_get_drvdata(pdev); + + usb_remove_hcd(hcd); + iounmap(hcd->regs); + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); + usb_put_hcd(hcd); + + return 0; +} + +static struct platform_driver ehci_ls1x_driver = { + .probe = ehci_hcd_ls1x_probe, + .remove = ehci_hcd_ls1x_remove, + .shutdown = usb_hcd_platform_shutdown, + .driver = { + .name = "ls1x-ehci", + .owner = THIS_MODULE, + }, +}; + +MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ls1x-ehci"); diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index 592d5f76803..9803a55fd5f 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -32,7 +32,7 @@ #define MSM_USB_BASE (hcd->regs) -static struct otg_transceiver *otg; +static struct usb_phy *phy; static int ehci_msm_reset(struct usb_hcd *hcd) { @@ -145,14 +145,14 @@ static int ehci_msm_probe(struct platform_device *pdev) * powering up VBUS, mapping of registers address space and power * management. */ - otg = otg_get_transceiver(); - if (!otg) { + phy = usb_get_transceiver(); + if (!phy) { dev_err(&pdev->dev, "unable to find transceiver\n"); ret = -ENODEV; goto unmap; } - ret = otg_set_host(otg, &hcd->self); + ret = otg_set_host(phy->otg, &hcd->self); if (ret < 0) { dev_err(&pdev->dev, "unable to register with transceiver\n"); goto put_transceiver; @@ -169,7 +169,7 @@ static int ehci_msm_probe(struct platform_device *pdev) return 0; put_transceiver: - otg_put_transceiver(otg); + usb_put_transceiver(phy); unmap: iounmap(hcd->regs); put_hcd: @@ -186,8 +186,8 @@ static int __devexit ehci_msm_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); - otg_set_host(otg, NULL); - otg_put_transceiver(otg); + otg_set_host(phy->otg, NULL); + usb_put_transceiver(phy); usb_put_hcd(hcd); diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c index 52a604fb932..a936bbcff8f 100644 --- a/drivers/usb/host/ehci-mv.c +++ b/drivers/usb/host/ehci-mv.c @@ -28,7 +28,7 @@ struct ehci_hcd_mv { void __iomem *cap_regs; void __iomem *op_regs; - struct otg_transceiver *otg; + struct usb_phy *otg; struct mv_usb_platform_data *pdata; @@ -253,7 +253,7 @@ static int mv_ehci_probe(struct platform_device *pdev) ehci_mv->mode = pdata->mode; if (ehci_mv->mode == MV_USB_MODE_OTG) { #ifdef CONFIG_USB_OTG_UTILS - ehci_mv->otg = otg_get_transceiver(); + ehci_mv->otg = usb_get_transceiver(); if (!ehci_mv->otg) { dev_err(&pdev->dev, "unable to find transceiver\n"); @@ -261,7 +261,7 @@ static int mv_ehci_probe(struct platform_device *pdev) goto err_disable_clk; } - retval = otg_set_host(ehci_mv->otg, &hcd->self); + retval = otg_set_host(ehci_mv->otg->otg, &hcd->self); if (retval < 0) { dev_err(&pdev->dev, "unable to register with transceiver\n"); @@ -303,7 +303,7 @@ err_set_vbus: #ifdef CONFIG_USB_OTG_UTILS err_put_transceiver: if (ehci_mv->otg) - otg_put_transceiver(ehci_mv->otg); + usb_put_transceiver(ehci_mv->otg); #endif err_disable_clk: mv_ehci_disable(ehci_mv); @@ -332,8 +332,8 @@ static int mv_ehci_remove(struct platform_device *pdev) usb_remove_hcd(hcd); if (ehci_mv->otg) { - otg_set_host(ehci_mv->otg, NULL); - otg_put_transceiver(ehci_mv->otg); + otg_set_host(ehci_mv->otg->otg, NULL); + usb_put_transceiver(ehci_mv->otg); } if (ehci_mv->mode == MV_USB_MODE_HOST) { diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 55978fcfa4b..a797d51ecbe 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -220,13 +220,13 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) /* Initialize the transceiver */ if (pdata->otg) { pdata->otg->io_priv = hcd->regs + ULPI_VIEWPORT_OFFSET; - ret = otg_init(pdata->otg); + ret = usb_phy_init(pdata->otg); if (ret) { dev_err(dev, "unable to init transceiver, probably missing\n"); ret = -ENODEV; goto err_add; } - ret = otg_set_vbus(pdata->otg, 1); + ret = otg_set_vbus(pdata->otg->otg, 1); if (ret) { dev_err(dev, "unable to enable vbus on transceiver\n"); goto err_add; @@ -247,9 +247,11 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) * It's in violation of USB specs */ if (machine_is_mx51_efikamx() || machine_is_mx51_efikasb()) { - flags = otg_io_read(pdata->otg, ULPI_OTG_CTRL); + flags = usb_phy_io_read(pdata->otg, + ULPI_OTG_CTRL); flags |= ULPI_OTG_CTRL_CHRGVBUS; - ret = otg_io_write(pdata->otg, flags, ULPI_OTG_CTRL); + ret = usb_phy_io_write(pdata->otg, flags, + ULPI_OTG_CTRL); if (ret) { dev_err(dev, "unable to set CHRVBUS\n"); goto err_add; @@ -297,7 +299,7 @@ static int __exit ehci_mxc_drv_remove(struct platform_device *pdev) pdata->exit(pdev); if (pdata->otg) - otg_shutdown(pdata->otg); + usb_phy_shutdown(pdata->otg); usb_remove_hcd(hcd); iounmap(hcd->regs); diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c new file mode 100644 index 00000000000..d238b4e24bb --- /dev/null +++ b/drivers/usb/host/ehci-platform.c @@ -0,0 +1,198 @@ +/* + * Generic platform ehci driver + * + * Copyright 2007 Steven Brown <sbrown@cortland.com> + * Copyright 2010-2012 Hauke Mehrtens <hauke@hauke-m.de> + * + * Derived from the ohci-ssb driver + * Copyright 2007 Michael Buesch <m@bues.ch> + * + * Derived from the EHCI-PCI driver + * Copyright (c) 2000-2004 by David Brownell + * + * Derived from the ohci-pci driver + * Copyright 1999 Roman Weissgaerber + * Copyright 2000-2002 David Brownell + * Copyright 1999 Linus Torvalds + * Copyright 1999 Gregory P. Smith + * + * Licensed under the GNU/GPL. See COPYING for details. + */ +#include <linux/platform_device.h> +#include <linux/usb/ehci_pdriver.h> + +static int ehci_platform_reset(struct usb_hcd *hcd) +{ + struct platform_device *pdev = to_platform_device(hcd->self.controller); + struct usb_ehci_pdata *pdata = pdev->dev.platform_data; + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + int retval; + + hcd->has_tt = pdata->has_tt; + ehci->has_synopsys_hc_bug = pdata->has_synopsys_hc_bug; + ehci->big_endian_desc = pdata->big_endian_desc; + ehci->big_endian_mmio = pdata->big_endian_mmio; + + ehci->caps = hcd->regs + pdata->caps_offset; + retval = ehci_setup(hcd); + if (retval) + return retval; + + if (pdata->port_power_on) + ehci_port_power(ehci, 1); + if (pdata->port_power_off) + ehci_port_power(ehci, 0); + + return 0; +} + +static const struct hc_driver ehci_platform_hc_driver = { + .description = hcd_name, + .product_desc = "Generic Platform EHCI Controller", + .hcd_priv_size = sizeof(struct ehci_hcd), + + .irq = ehci_irq, + .flags = HCD_MEMORY | HCD_USB2, + + .reset = ehci_platform_reset, + .start = ehci_run, + .stop = ehci_stop, + .shutdown = ehci_shutdown, + + .urb_enqueue = ehci_urb_enqueue, + .urb_dequeue = ehci_urb_dequeue, + .endpoint_disable = ehci_endpoint_disable, + .endpoint_reset = ehci_endpoint_reset, + + .get_frame_number = ehci_get_frame, + + .hub_status_data = ehci_hub_status_data, + .hub_control = ehci_hub_control, +#if defined(CONFIG_PM) + .bus_suspend = ehci_bus_suspend, + .bus_resume = ehci_bus_resume, +#endif + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, + + .update_device = ehci_update_device, + + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +}; + +static int __devinit ehci_platform_probe(struct platform_device *dev) +{ + struct usb_hcd *hcd; + struct resource *res_mem; + int irq; + int err = -ENOMEM; + + BUG_ON(!dev->dev.platform_data); + + if (usb_disabled()) + return -ENODEV; + + irq = platform_get_irq(dev, 0); + if (irq < 0) { + pr_err("no irq provieded"); + return irq; + } + res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (!res_mem) { + pr_err("no memory recourse provieded"); + return -ENXIO; + } + + hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev, + dev_name(&dev->dev)); + if (!hcd) + return -ENOMEM; + + hcd->rsrc_start = res_mem->start; + hcd->rsrc_len = resource_size(res_mem); + + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { + pr_err("controller already in use"); + err = -EBUSY; + goto err_put_hcd; + } + + hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); + if (!hcd->regs) + goto err_release_region; + err = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (err) + goto err_iounmap; + + platform_set_drvdata(dev, hcd); + + return err; + +err_iounmap: + iounmap(hcd->regs); +err_release_region: + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); +err_put_hcd: + usb_put_hcd(hcd); + return err; +} + +static int __devexit ehci_platform_remove(struct platform_device *dev) +{ + struct usb_hcd *hcd = platform_get_drvdata(dev); + + usb_remove_hcd(hcd); + iounmap(hcd->regs); + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); + usb_put_hcd(hcd); + platform_set_drvdata(dev, NULL); + + return 0; +} + +#ifdef CONFIG_PM + +static int ehci_platform_suspend(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + bool wakeup = device_may_wakeup(dev); + + ehci_prepare_ports_for_controller_suspend(hcd_to_ehci(hcd), wakeup); + return 0; +} + +static int ehci_platform_resume(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + + ehci_prepare_ports_for_controller_resume(hcd_to_ehci(hcd)); + return 0; +} + +#else /* !CONFIG_PM */ +#define ehci_platform_suspend NULL +#define ehci_platform_resume NULL +#endif /* CONFIG_PM */ + +static const struct platform_device_id ehci_platform_table[] = { + { "ehci-platform", 0 }, + { } +}; +MODULE_DEVICE_TABLE(platform, ehci_platform_table); + +static const struct dev_pm_ops ehci_platform_pm_ops = { + .suspend = ehci_platform_suspend, + .resume = ehci_platform_resume, +}; + +static struct platform_driver ehci_platform_driver = { + .id_table = ehci_platform_table, + .probe = ehci_platform_probe, + .remove = __devexit_p(ehci_platform_remove), + .shutdown = usb_hcd_platform_shutdown, + .driver = { + .owner = THIS_MODULE, + .name = "ehci-platform", + .pm = &ehci_platform_pm_ops, + } +}; diff --git a/drivers/usb/host/ehci-pxa168.c b/drivers/usb/host/ehci-pxa168.c deleted file mode 100644 index 8d0e7a22e71..00000000000 --- a/drivers/usb/host/ehci-pxa168.c +++ /dev/null @@ -1,363 +0,0 @@ -/* - * drivers/usb/host/ehci-pxa168.c - * - * Tanmay Upadhyay <tanmay.upadhyay@einfochips.com> - * - * Based on drivers/usb/host/ehci-orion.c - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/clk.h> -#include <mach/pxa168.h> - -#define USB_PHY_CTRL_REG 0x4 -#define USB_PHY_PLL_REG 0x8 -#define USB_PHY_TX_REG 0xc - -#define FBDIV_SHIFT 4 - -#define ICP_SHIFT 12 -#define ICP_15 2 -#define ICP_20 3 -#define ICP_25 4 - -#define KVCO_SHIFT 15 - -#define PLLCALI12_SHIFT 25 -#define CALI12_VDD 0 -#define CALI12_09 1 -#define CALI12_10 2 -#define CALI12_11 3 - -#define PLLVDD12_SHIFT 27 -#define VDD12_VDD 0 -#define VDD12_10 1 -#define VDD12_11 2 -#define VDD12_12 3 - -#define PLLVDD18_SHIFT 29 -#define VDD18_19 0 -#define VDD18_20 1 -#define VDD18_21 2 -#define VDD18_22 3 - - -#define PLL_READY (1 << 23) -#define VCOCAL_START (1 << 21) -#define REG_RCAL_START (1 << 12) - -struct pxa168_usb_drv_data { - struct ehci_hcd ehci; - struct clk *pxa168_usb_clk; - struct resource *usb_phy_res; - void __iomem *usb_phy_reg_base; -}; - -static int ehci_pxa168_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - ehci_reset(ehci); - retval = ehci_halt(ehci); - if (retval) - return retval; - - /* - * data structure init - */ - retval = ehci_init(hcd); - if (retval) - return retval; - - hcd->has_tt = 1; - - ehci_port_power(ehci, 0); - - return retval; -} - -static const struct hc_driver ehci_pxa168_hc_driver = { - .description = hcd_name, - .product_desc = "Marvell PXA168 EHCI", - .hcd_priv_size = sizeof(struct pxa168_usb_drv_data), - - /* - * generic hardware linkage - */ - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - /* - * basic lifecycle operations - */ - .reset = ehci_pxa168_setup, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - /* - * scheduling support - */ - .get_frame_number = ehci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int pxa168_usb_phy_init(struct platform_device *pdev) -{ - struct resource *res; - void __iomem *usb_phy_reg_base; - struct pxa168_usb_pdata *pdata; - struct pxa168_usb_drv_data *drv_data; - struct usb_hcd *hcd = platform_get_drvdata(pdev); - unsigned long reg_val; - int pll_retry_cont = 10000, err = 0; - - drv_data = (struct pxa168_usb_drv_data *)hcd->hcd_priv; - pdata = (struct pxa168_usb_pdata *)pdev->dev.platform_data; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!res) { - dev_err(&pdev->dev, - "Found HC with no PHY register addr. Check %s setup!\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - - if (!request_mem_region(res->start, resource_size(res), - ehci_pxa168_hc_driver.description)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - return -EBUSY; - } - - usb_phy_reg_base = ioremap(res->start, resource_size(res)); - if (usb_phy_reg_base == NULL) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - err = -EFAULT; - goto err1; - } - drv_data->usb_phy_reg_base = usb_phy_reg_base; - drv_data->usb_phy_res = res; - - /* If someone wants to init USB phy in board specific way */ - if (pdata && pdata->phy_init) - return pdata->phy_init(usb_phy_reg_base); - - /* Power up the PHY and PLL */ - writel(readl(usb_phy_reg_base + USB_PHY_CTRL_REG) | 0x3, - usb_phy_reg_base + USB_PHY_CTRL_REG); - - /* Configure PHY PLL */ - reg_val = readl(usb_phy_reg_base + USB_PHY_PLL_REG) & ~(0x7e03ffff); - reg_val |= (VDD18_22 << PLLVDD18_SHIFT | VDD12_12 << PLLVDD12_SHIFT | - CALI12_11 << PLLCALI12_SHIFT | 3 << KVCO_SHIFT | - ICP_15 << ICP_SHIFT | 0xee << FBDIV_SHIFT | 0xb); - writel(reg_val, usb_phy_reg_base + USB_PHY_PLL_REG); - - /* Make sure PHY PLL is ready */ - while (!(readl(usb_phy_reg_base + USB_PHY_PLL_REG) & PLL_READY)) { - if (!(pll_retry_cont--)) { - dev_dbg(&pdev->dev, "USB PHY PLL not ready\n"); - err = -EIO; - goto err2; - } - } - - /* Toggle VCOCAL_START bit of U2PLL for PLL calibration */ - udelay(200); - writel(readl(usb_phy_reg_base + USB_PHY_PLL_REG) | VCOCAL_START, - usb_phy_reg_base + USB_PHY_PLL_REG); - udelay(40); - writel(readl(usb_phy_reg_base + USB_PHY_PLL_REG) & ~VCOCAL_START, - usb_phy_reg_base + USB_PHY_PLL_REG); - - /* Toggle REG_RCAL_START bit of U2PTX for impedance calibration */ - udelay(400); - writel(readl(usb_phy_reg_base + USB_PHY_TX_REG) | REG_RCAL_START, - usb_phy_reg_base + USB_PHY_TX_REG); - udelay(40); - writel(readl(usb_phy_reg_base + USB_PHY_TX_REG) & ~REG_RCAL_START, - usb_phy_reg_base + USB_PHY_TX_REG); - - /* Make sure PHY PLL is ready again */ - pll_retry_cont = 0; - while (!(readl(usb_phy_reg_base + USB_PHY_PLL_REG) & PLL_READY)) { - if (!(pll_retry_cont--)) { - dev_dbg(&pdev->dev, "USB PHY PLL not ready\n"); - err = -EIO; - goto err2; - } - } - - return 0; -err2: - iounmap(usb_phy_reg_base); -err1: - release_mem_region(res->start, resource_size(res)); - return err; -} - -static int __devinit ehci_pxa168_drv_probe(struct platform_device *pdev) -{ - struct resource *res; - struct usb_hcd *hcd; - struct ehci_hcd *ehci; - struct pxa168_usb_drv_data *drv_data; - void __iomem *regs; - int irq, err = 0; - - if (usb_disabled()) - return -ENODEV; - - pr_debug("Initializing pxa168-SoC USB Host Controller\n"); - - irq = platform_get_irq(pdev, 0); - if (irq <= 0) { - dev_err(&pdev->dev, - "Found HC with no IRQ. Check %s setup!\n", - dev_name(&pdev->dev)); - err = -ENODEV; - goto err1; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, - "Found HC with no register addr. Check %s setup!\n", - dev_name(&pdev->dev)); - err = -ENODEV; - goto err1; - } - - if (!request_mem_region(res->start, resource_size(res), - ehci_pxa168_hc_driver.description)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - err = -EBUSY; - goto err1; - } - - regs = ioremap(res->start, resource_size(res)); - if (regs == NULL) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - err = -EFAULT; - goto err2; - } - - hcd = usb_create_hcd(&ehci_pxa168_hc_driver, - &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) { - err = -ENOMEM; - goto err3; - } - - drv_data = (struct pxa168_usb_drv_data *)hcd->hcd_priv; - - /* Enable USB clock */ - drv_data->pxa168_usb_clk = clk_get(&pdev->dev, "PXA168-USBCLK"); - if (IS_ERR(drv_data->pxa168_usb_clk)) { - dev_err(&pdev->dev, "Couldn't get USB clock\n"); - err = PTR_ERR(drv_data->pxa168_usb_clk); - goto err4; - } - clk_enable(drv_data->pxa168_usb_clk); - - err = pxa168_usb_phy_init(pdev); - if (err) { - dev_err(&pdev->dev, "USB PHY initialization failed\n"); - goto err5; - } - - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - hcd->regs = regs; - - ehci = hcd_to_ehci(hcd); - ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - hcd->has_tt = 1; - ehci->sbrn = 0x20; - - err = usb_add_hcd(hcd, irq, IRQF_SHARED | IRQF_DISABLED); - if (err) - goto err5; - - return 0; - -err5: - clk_disable(drv_data->pxa168_usb_clk); - clk_put(drv_data->pxa168_usb_clk); -err4: - usb_put_hcd(hcd); -err3: - iounmap(regs); -err2: - release_mem_region(res->start, resource_size(res)); -err1: - dev_err(&pdev->dev, "init %s fail, %d\n", - dev_name(&pdev->dev), err); - - return err; -} - -static int __exit ehci_pxa168_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - struct pxa168_usb_drv_data *drv_data = - (struct pxa168_usb_drv_data *)hcd->hcd_priv; - - usb_remove_hcd(hcd); - - /* Power down PHY & PLL */ - writel(readl(drv_data->usb_phy_reg_base + USB_PHY_CTRL_REG) & (~0x3), - drv_data->usb_phy_reg_base + USB_PHY_CTRL_REG); - - clk_disable(drv_data->pxa168_usb_clk); - clk_put(drv_data->pxa168_usb_clk); - - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - - iounmap(drv_data->usb_phy_reg_base); - release_mem_region(drv_data->usb_phy_res->start, - resource_size(drv_data->usb_phy_res)); - - usb_put_hcd(hcd); - - return 0; -} - -MODULE_ALIAS("platform:pxa168-ehci"); - -static struct platform_driver ehci_pxa168_driver = { - .probe = ehci_pxa168_drv_probe, - .remove = __exit_p(ehci_pxa168_drv_remove), - .shutdown = usb_hcd_platform_shutdown, - .driver.name = "pxa168-ehci", -}; diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 293f7412992..f098e2a291a 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -17,6 +17,15 @@ #include <plat/ehci.h> #include <plat/usb-phy.h> +#define EHCI_INSNREG00(base) (base + 0x90) +#define EHCI_INSNREG00_ENA_INCR16 (0x1 << 25) +#define EHCI_INSNREG00_ENA_INCR8 (0x1 << 24) +#define EHCI_INSNREG00_ENA_INCR4 (0x1 << 23) +#define EHCI_INSNREG00_ENA_INCRX_ALIGN (0x1 << 22) +#define EHCI_INSNREG00_ENABLE_DMA_BURST \ + (EHCI_INSNREG00_ENA_INCR16 | EHCI_INSNREG00_ENA_INCR8 | \ + EHCI_INSNREG00_ENA_INCR4 | EHCI_INSNREG00_ENA_INCRX_ALIGN) + struct s5p_ehci_hcd { struct device *dev; struct usb_hcd *hcd; @@ -128,6 +137,9 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) ehci->regs = hcd->regs + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); + /* DMA burst Enable */ + writel(EHCI_INSNREG00_ENABLE_DMA_BURST, EHCI_INSNREG00(hcd->regs)); + dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); @@ -234,6 +246,9 @@ static int s5p_ehci_resume(struct device *dev) if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST); + /* DMA burst Enable */ + writel(EHCI_INSNREG00_ENABLE_DMA_BURST, EHCI_INSNREG00(hcd->regs)); + if (time_before(jiffies, ehci->next_statechange)) msleep(100); diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index b115b0b76e3..6e928559169 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -11,8 +11,10 @@ * more details. */ -#include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/jiffies.h> +#include <linux/platform_device.h> +#include <linux/pm.h> struct spear_ehci { struct ehci_hcd ehci; @@ -90,6 +92,82 @@ static const struct hc_driver ehci_spear_hc_driver = { .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; +#ifdef CONFIG_PM +static int ehci_spear_drv_suspend(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + unsigned long flags; + int rc = 0; + + if (time_before(jiffies, ehci->next_statechange)) + msleep(10); + + /* + * Root hub was already suspended. Disable irq emission and mark HW + * unaccessible. The PM and USB cores make sure that the root hub is + * either suspended or stopped. + */ + spin_lock_irqsave(&ehci->lock, flags); + ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev)); + ehci_writel(ehci, 0, &ehci->regs->intr_enable); + ehci_readl(ehci, &ehci->regs->intr_enable); + spin_unlock_irqrestore(&ehci->lock, flags); + + return rc; +} + +static int ehci_spear_drv_resume(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + + if (time_before(jiffies, ehci->next_statechange)) + msleep(100); + + if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) { + int mask = INTR_MASK; + + ehci_prepare_ports_for_controller_resume(ehci); + + if (!hcd->self.root_hub->do_remote_wakeup) + mask &= ~STS_PCD; + + ehci_writel(ehci, mask, &ehci->regs->intr_enable); + ehci_readl(ehci, &ehci->regs->intr_enable); + return 0; + } + + usb_root_hub_lost_power(hcd->self.root_hub); + + /* + * Else reset, to cope with power loss or flush-to-storage style + * "resume" having let BIOS kick in during reboot. + */ + ehci_halt(ehci); + ehci_reset(ehci); + + /* emptying the schedule aborts any urbs */ + spin_lock_irq(&ehci->lock); + if (ehci->reclaim) + end_unlink_async(ehci); + + ehci_work(ehci); + spin_unlock_irq(&ehci->lock); + + ehci_writel(ehci, ehci->command, &ehci->regs->command); + ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); + ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ + + /* here we "know" root ports should always stay powered */ + ehci_port_power(ehci, 1); + return 0; +} +#endif /* CONFIG_PM */ + +static SIMPLE_DEV_PM_OPS(ehci_spear_pm_ops, ehci_spear_drv_suspend, + ehci_spear_drv_resume); + static int spear_ehci_hcd_drv_probe(struct platform_device *pdev) { struct usb_hcd *hcd ; @@ -205,7 +283,8 @@ static struct platform_driver spear_ehci_hcd_driver = { .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "spear-ehci", - .bus = &platform_bus_type + .bus = &platform_bus_type, + .pm = &ehci_spear_pm_ops, } }; diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index dbc7fe8ca9e..3de48a2d795 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -35,7 +35,7 @@ struct tegra_ehci_hcd { struct tegra_usb_phy *phy; struct clk *clk; struct clk *emc_clk; - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; int host_resumed; int bus_suspended; int port_resuming; @@ -733,9 +733,9 @@ static int tegra_ehci_probe(struct platform_device *pdev) #ifdef CONFIG_USB_OTG_UTILS if (pdata->operating_mode == TEGRA_USB_OTG) { - tegra->transceiver = otg_get_transceiver(); + tegra->transceiver = usb_get_transceiver(); if (tegra->transceiver) - otg_set_host(tegra->transceiver, &hcd->self); + otg_set_host(tegra->transceiver->otg, &hcd->self); } #endif @@ -750,8 +750,8 @@ static int tegra_ehci_probe(struct platform_device *pdev) fail: #ifdef CONFIG_USB_OTG_UTILS if (tegra->transceiver) { - otg_set_host(tegra->transceiver, NULL); - otg_put_transceiver(tegra->transceiver); + otg_set_host(tegra->transceiver->otg, NULL); + usb_put_transceiver(tegra->transceiver); } #endif tegra_usb_phy_close(tegra->phy); @@ -808,8 +808,8 @@ static int tegra_ehci_remove(struct platform_device *pdev) #ifdef CONFIG_USB_OTG_UTILS if (tegra->transceiver) { - otg_set_host(tegra->transceiver, NULL); - otg_put_transceiver(tegra->transceiver); + otg_set_host(tegra->transceiver->otg, NULL); + usb_put_transceiver(tegra->transceiver); } #endif diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 0a5fda73b3f..8f9acbc96fd 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -176,7 +176,7 @@ struct ehci_hcd { /* one per controller */ /* * OTG controllers and transceivers need software interaction */ - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; }; /* convert between an HCD pointer and the corresponding EHCI_HCD */ diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index 7916e56a725..ab333ac6071 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -94,7 +94,6 @@ struct platform_device * __devinit fsl_usb2_device_register( pdev->dev.parent = &ofdev->dev; pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask; - pdev->dev.dma_mask = &pdev->archdata.dma_mask; *pdev->dev.dma_mask = *ofdev->dev.dma_mask; retval = platform_device_add_data(pdev, pdata, sizeof(*pdata)); diff --git a/drivers/usb/host/imx21-dbg.c b/drivers/usb/host/imx21-dbg.c index 6d753342716..ec98ecee351 100644 --- a/drivers/usb/host/imx21-dbg.c +++ b/drivers/usb/host/imx21-dbg.c @@ -239,7 +239,7 @@ static int debug_status_show(struct seq_file *s, void *v) "ETDs allocated: %d/%d (max=%d)\n" "ETDs in use sw: %d\n" "ETDs in use hw: %d\n" - "DMEM alocated: %d/%d (max=%d)\n" + "DMEM allocated: %d/%d (max=%d)\n" "DMEM blocks: %d\n" "Queued waiting for ETD: %d\n" "Queued waiting for DMEM: %d\n", diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index d91e5f211a7..924880087a7 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1569,6 +1569,9 @@ static int __devinit isp116x_probe(struct platform_device *pdev) int ret = 0; unsigned long irqflags; + if (usb_disabled()) + return -ENODEV; + if (pdev->num_resources < 3) { ret = -ENODEV; goto err1; @@ -1708,22 +1711,4 @@ static struct platform_driver isp116x_driver = { }, }; -/*-----------------------------------------------------------------*/ - -static int __init isp116x_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - INFO("driver %s, %s\n", hcd_name, DRIVER_VERSION); - return platform_driver_register(&isp116x_driver); -} - -module_init(isp116x_init); - -static void __exit isp116x_cleanup(void) -{ - platform_driver_unregister(&isp116x_driver); -} - -module_exit(isp116x_cleanup); +module_platform_driver(isp116x_driver); diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index e5fd8aa57af..9e63cdf1ab7 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -2693,6 +2693,9 @@ static int __devinit isp1362_probe(struct platform_device *pdev) struct resource *irq_res; unsigned int irq_flags = 0; + if (usb_disabled()) + return -ENODEV; + /* basic sanity checks first. board-specific init logic should * have initialized this the three resources and probably board * specific platform_data. we don't probe for IRQs, and do only @@ -2864,19 +2867,4 @@ static struct platform_driver isp1362_driver = { }, }; -/*-------------------------------------------------------------------------*/ - -static int __init isp1362_init(void) -{ - if (usb_disabled()) - return -ENODEV; - pr_info("driver %s, %s\n", hcd_name, DRIVER_VERSION); - return platform_driver_register(&isp1362_driver); -} -module_init(isp1362_init); - -static void __exit isp1362_cleanup(void) -{ - platform_driver_unregister(&isp1362_driver); -} -module_exit(isp1362_cleanup); +module_platform_driver(isp1362_driver); diff --git a/drivers/usb/host/ohci-ath79.c b/drivers/usb/host/ohci-ath79.c deleted file mode 100644 index 18d574d6958..00000000000 --- a/drivers/usb/host/ohci-ath79.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * OHCI HCD (Host Controller Driver) for USB. - * - * Bus Glue for Atheros AR71XX/AR724X built-in OHCI controller. - * - * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> - * - * Parts of this file are based on Atheros' 2.6.15 BSP - * Copyright (C) 2007 Atheros Communications, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/platform_device.h> - -static int __devinit ohci_ath79_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - ret = ohci_init(ohci); - if (ret < 0) - return ret; - - ret = ohci_run(ohci); - if (ret < 0) - goto err; - - return 0; - -err: - ohci_stop(hcd); - return ret; -} - -static const struct hc_driver ohci_ath79_hc_driver = { - .description = hcd_name, - .product_desc = "Atheros built-in OHCI controller", - .hcd_priv_size = sizeof(struct ohci_hcd), - - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - .start = ohci_ath79_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, - .start_port_reset = ohci_start_port_reset, -}; - -static int ohci_ath79_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct resource *res; - int irq; - int ret; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_dbg(&pdev->dev, "no IRQ specified\n"); - return -ENODEV; - } - irq = res->start; - - hcd = usb_create_hcd(&ohci_ath79_hc_driver, &pdev->dev, - dev_name(&pdev->dev)); - if (!hcd) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_dbg(&pdev->dev, "no base address specified\n"); - ret = -ENODEV; - goto err_put_hcd; - } - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - ret = -EBUSY; - goto err_put_hcd; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - ret = -EFAULT; - goto err_release_region; - } - - ohci_hcd_init(hcd_to_ohci(hcd)); - - ret = usb_add_hcd(hcd, irq, 0); - if (ret) - goto err_stop_hcd; - - return 0; - -err_stop_hcd: - iounmap(hcd->regs); -err_release_region: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err_put_hcd: - usb_put_hcd(hcd); - return ret; -} - -static int ohci_ath79_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - - return 0; -} - -static struct platform_driver ohci_hcd_ath79_driver = { - .probe = ohci_ath79_probe, - .remove = ohci_ath79_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "ath79-ohci", - .owner = THIS_MODULE, - }, -}; - -MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ath79-ohci"); diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 55aa35aa3d7..37bb20ebb6f 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -212,12 +212,10 @@ static int exynos_ohci_suspend(struct device *dev) * mark HW unaccessible, bail out if RH has been resumed. Use * the spinlock to properly synchronize with possible pending * RH suspend or resume activity. - * - * This is still racy as hcd->state is manipulated outside of - * any locks =P But that will be a different fix. */ spin_lock_irqsave(&ohci->lock, flags); - if (hcd->state != HC_STATE_SUSPENDED && hcd->state != HC_STATE_HALT) { + if (ohci->rh_state != OHCI_RH_SUSPENDED && + ohci->rh_state != OHCI_RH_HALTED) { rc = -EINVAL; goto fail; } diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 34b9edd8665..cd5e382db89 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -899,7 +899,7 @@ static void ohci_stop (struct usb_hcd *hcd) ohci_usb_reset (ohci); ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); free_irq(hcd->irq, hcd); - hcd->irq = -1; + hcd->irq = 0; if (quirk_zfmicro(ohci)) del_timer(&ohci->unlink_watchdog); @@ -1050,9 +1050,9 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_at91_driver #endif -#ifdef CONFIG_ARCH_PNX4008 -#include "ohci-pnx4008.c" -#define PLATFORM_DRIVER usb_hcd_pnx4008_driver +#if defined(CONFIG_ARCH_PNX4008) || defined(CONFIG_ARCH_LPC32XX) +#include "ohci-nxp.c" +#define PLATFORM_DRIVER usb_hcd_nxp_driver #endif #ifdef CONFIG_ARCH_DAVINCI_DA8XX @@ -1111,16 +1111,16 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_cns3xxx_driver #endif -#ifdef CONFIG_USB_OHCI_ATH79 -#include "ohci-ath79.c" -#define PLATFORM_DRIVER ohci_hcd_ath79_driver -#endif - #ifdef CONFIG_CPU_XLR #include "ohci-xls.c" #define PLATFORM_DRIVER ohci_xls_driver #endif +#ifdef CONFIG_USB_OHCI_HCD_PLATFORM +#include "ohci-platform.c" +#define PLATFORM_DRIVER ohci_platform_driver +#endif + #if !defined(PCI_DRIVER) && \ !defined(PLATFORM_DRIVER) && \ !defined(OMAP1_PLATFORM_DRIVER) && \ diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-nxp.c index 0013db7bdf9..6618de1d881 100644 --- a/drivers/usb/host/ohci-pnx4008.c +++ b/drivers/usb/host/ohci-nxp.c @@ -1,7 +1,9 @@ /* - * drivers/usb/host/ohci-pnx4008.c + * driver for NXP USB Host devices * - * driver for Philips PNX4008 USB Host + * Currently supported OHCI host devices: + * - Philips PNX4008 + * - NXP LPC32xx * * Authors: Dmitry Chigirev <source@mvista.com> * Vitaly Wool <vitalywool@gmail.com> @@ -22,20 +24,24 @@ #include <linux/i2c.h> #include <mach/hardware.h> +#include <asm/mach-types.h> #include <asm/io.h> #include <mach/platform.h> #include <mach/irqs.h> #include <asm/gpio.h> -#define USB_CTRL IO_ADDRESS(PNX4008_PWRMAN_BASE + 0x64) +#define USB_CONFIG_BASE 0x31020000 +#define PWRMAN_BASE 0x40004000 + +#define USB_CTRL IO_ADDRESS(PWRMAN_BASE + 0x64) /* USB_CTRL bit defines */ #define USB_SLAVE_HCLK_EN (1 << 24) #define USB_HOST_NEED_CLK_EN (1 << 21) -#define USB_OTG_CLK_CTRL IO_ADDRESS(PNX4008_USB_CONFIG_BASE + 0xFF4) -#define USB_OTG_CLK_STAT IO_ADDRESS(PNX4008_USB_CONFIG_BASE + 0xFF8) +#define USB_OTG_CLK_CTRL IO_ADDRESS(USB_CONFIG_BASE + 0xFF4) +#define USB_OTG_CLK_STAT IO_ADDRESS(USB_CONFIG_BASE + 0xFF8) /* USB_OTG_CLK_CTRL bit defines */ #define AHB_M_CLOCK_ON (1 << 4) @@ -44,7 +50,7 @@ #define DEV_CLOCK_ON (1 << 1) #define HOST_CLOCK_ON (1 << 0) -#define USB_OTG_STAT_CONTROL IO_ADDRESS(PNX4008_USB_CONFIG_BASE + 0x110) +#define USB_OTG_STAT_CONTROL IO_ADDRESS(USB_CONFIG_BASE + 0x110) /* USB_OTG_STAT_CONTROL bit defines */ #define TRANSPARENT_I2C_EN (1 << 7) @@ -98,6 +104,15 @@ #define ISP1301_I2C_INTERRUPT_RISING 0xE #define ISP1301_I2C_REG_CLEAR_ADDR 1 +/* On LPC32xx, those are undefined */ +#ifndef start_int_set_falling_edge +#define start_int_set_falling_edge(irq) +#define start_int_set_rising_edge(irq) +#define start_int_ack(irq) +#define start_int_mask(irq) +#define start_int_umask(irq) +#endif + static struct i2c_driver isp1301_driver; static struct i2c_client *isp1301_i2c_client; @@ -121,73 +136,129 @@ static int isp1301_remove(struct i2c_client *client) } static const struct i2c_device_id isp1301_id[] = { - { "isp1301_pnx", 0 }, + { "isp1301_nxp", 0 }, { } }; static struct i2c_driver isp1301_driver = { .driver = { - .name = "isp1301_pnx", + .name = "isp1301_nxp", }, .probe = isp1301_probe, .remove = isp1301_remove, .id_table = isp1301_id, }; -static void i2c_write(u8 buf, u8 subaddr) -{ - char tmpbuf[2]; - - tmpbuf[0] = subaddr; /*register number */ - tmpbuf[1] = buf; /*register data */ - i2c_master_send(isp1301_i2c_client, &tmpbuf[0], 2); -} - -static void isp1301_configure(void) +static void isp1301_configure_pnx4008(void) { /* PNX4008 only supports DAT_SE0 USB mode */ /* PNX4008 R2A requires setting the MAX603 to output 3.6V */ /* Power up externel charge-pump */ - i2c_write(MC1_DAT_SE0 | MC1_SPEED_REG, ISP1301_I2C_MODE_CONTROL_1); - i2c_write(~(MC1_DAT_SE0 | MC1_SPEED_REG), - ISP1301_I2C_MODE_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL, - ISP1301_I2C_MODE_CONTROL_2); - i2c_write(~(MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL), - ISP1301_I2C_MODE_CONTROL_2 | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN, - ISP1301_I2C_OTG_CONTROL_1); - i2c_write(~(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN), - ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(0xFF, - ISP1301_I2C_INTERRUPT_LATCH | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(0xFF, - ISP1301_I2C_INTERRUPT_FALLING | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(0xFF, - ISP1301_I2C_INTERRUPT_RISING | ISP1301_I2C_REG_CLEAR_ADDR); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_1, MC1_DAT_SE0 | MC1_SPEED_REG); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR, + ~(MC1_DAT_SE0 | MC1_SPEED_REG)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_2, + MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_2 | ISP1301_I2C_REG_CLEAR_ADDR, + ~(MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_OTG_CONTROL_1, OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR, + ~(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_LATCH | ISP1301_I2C_REG_CLEAR_ADDR, 0xFF); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_FALLING | ISP1301_I2C_REG_CLEAR_ADDR, + 0xFF); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_RISING | ISP1301_I2C_REG_CLEAR_ADDR, + 0xFF); +} +static void isp1301_configure_lpc32xx(void) +{ + /* LPC32XX only supports DAT_SE0 USB mode */ + /* This sequence is important */ + + /* Disable transparent UART mode first */ + i2c_smbus_write_byte_data(isp1301_i2c_client, + (ISP1301_I2C_MODE_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR), + MC1_UART_EN); + i2c_smbus_write_byte_data(isp1301_i2c_client, + (ISP1301_I2C_MODE_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR), + ~MC1_SPEED_REG); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_1, MC1_SPEED_REG); + i2c_smbus_write_byte_data(isp1301_i2c_client, + (ISP1301_I2C_MODE_CONTROL_2 | ISP1301_I2C_REG_CLEAR_ADDR), + ~0); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_2, + (MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + (ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR), ~0); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_1, MC1_DAT_SE0); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_OTG_CONTROL_1, + (OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + (ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR), + (OTG1_DM_PULLUP | OTG1_DP_PULLUP)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_LATCH | ISP1301_I2C_REG_CLEAR_ADDR, ~0); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_FALLING | ISP1301_I2C_REG_CLEAR_ADDR, + ~0); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_RISING | ISP1301_I2C_REG_CLEAR_ADDR, ~0); + + /* Enable usb_need_clk clock after transceiver is initialized */ + __raw_writel((__raw_readl(USB_CTRL) | (1 << 22)), USB_CTRL); + + printk(KERN_INFO "ISP1301 Vendor ID : 0x%04x\n", + i2c_smbus_read_word_data(isp1301_i2c_client, 0x00)); + printk(KERN_INFO "ISP1301 Product ID : 0x%04x\n", + i2c_smbus_read_word_data(isp1301_i2c_client, 0x02)); + printk(KERN_INFO "ISP1301 Version ID : 0x%04x\n", + i2c_smbus_read_word_data(isp1301_i2c_client, 0x14)); +} + +static void isp1301_configure(void) +{ + if (machine_is_pnx4008()) + isp1301_configure_pnx4008(); + else + isp1301_configure_lpc32xx(); } static inline void isp1301_vbus_on(void) { - i2c_write(OTG1_VBUS_DRV, ISP1301_I2C_OTG_CONTROL_1); + i2c_smbus_write_byte_data(isp1301_i2c_client, ISP1301_I2C_OTG_CONTROL_1, + OTG1_VBUS_DRV); } static inline void isp1301_vbus_off(void) { - i2c_write(OTG1_VBUS_DRV, - ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR, + OTG1_VBUS_DRV); } -static void pnx4008_start_hc(void) +static void nxp_start_hc(void) { unsigned long tmp = __raw_readl(USB_OTG_STAT_CONTROL) | HOST_EN; __raw_writel(tmp, USB_OTG_STAT_CONTROL); isp1301_vbus_on(); } -static void pnx4008_stop_hc(void) +static void nxp_stop_hc(void) { unsigned long tmp; isp1301_vbus_off(); @@ -195,7 +266,7 @@ static void pnx4008_stop_hc(void) __raw_writel(tmp, USB_OTG_STAT_CONTROL); } -static int __devinit ohci_pnx4008_start(struct usb_hcd *hcd) +static int __devinit ohci_nxp_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); int ret; @@ -211,9 +282,9 @@ static int __devinit ohci_pnx4008_start(struct usb_hcd *hcd) return 0; } -static const struct hc_driver ohci_pnx4008_hc_driver = { +static const struct hc_driver ohci_nxp_hc_driver = { .description = hcd_name, - .product_desc = "pnx4008 OHCI", + .product_desc = "nxp OHCI", /* * generic hardware linkage @@ -225,7 +296,7 @@ static const struct hc_driver ohci_pnx4008_hc_driver = { /* * basic lifecycle operations */ - .start = ohci_pnx4008_start, + .start = ohci_nxp_start, .stop = ohci_stop, .shutdown = ohci_shutdown, @@ -255,54 +326,58 @@ static const struct hc_driver ohci_pnx4008_hc_driver = { #define USB_CLOCK_MASK (AHB_M_CLOCK_ON| OTG_CLOCK_ON | HOST_CLOCK_ON | I2C_CLOCK_ON) -static void pnx4008_set_usb_bits(void) +static void nxp_set_usb_bits(void) { - start_int_set_falling_edge(SE_USB_OTG_ATX_INT_N); - start_int_ack(SE_USB_OTG_ATX_INT_N); - start_int_umask(SE_USB_OTG_ATX_INT_N); - - start_int_set_rising_edge(SE_USB_OTG_TIMER_INT); - start_int_ack(SE_USB_OTG_TIMER_INT); - start_int_umask(SE_USB_OTG_TIMER_INT); - - start_int_set_rising_edge(SE_USB_I2C_INT); - start_int_ack(SE_USB_I2C_INT); - start_int_umask(SE_USB_I2C_INT); - - start_int_set_rising_edge(SE_USB_INT); - start_int_ack(SE_USB_INT); - start_int_umask(SE_USB_INT); - - start_int_set_rising_edge(SE_USB_NEED_CLK_INT); - start_int_ack(SE_USB_NEED_CLK_INT); - start_int_umask(SE_USB_NEED_CLK_INT); - - start_int_set_rising_edge(SE_USB_AHB_NEED_CLK_INT); - start_int_ack(SE_USB_AHB_NEED_CLK_INT); - start_int_umask(SE_USB_AHB_NEED_CLK_INT); + if (machine_is_pnx4008()) { + start_int_set_falling_edge(SE_USB_OTG_ATX_INT_N); + start_int_ack(SE_USB_OTG_ATX_INT_N); + start_int_umask(SE_USB_OTG_ATX_INT_N); + + start_int_set_rising_edge(SE_USB_OTG_TIMER_INT); + start_int_ack(SE_USB_OTG_TIMER_INT); + start_int_umask(SE_USB_OTG_TIMER_INT); + + start_int_set_rising_edge(SE_USB_I2C_INT); + start_int_ack(SE_USB_I2C_INT); + start_int_umask(SE_USB_I2C_INT); + + start_int_set_rising_edge(SE_USB_INT); + start_int_ack(SE_USB_INT); + start_int_umask(SE_USB_INT); + + start_int_set_rising_edge(SE_USB_NEED_CLK_INT); + start_int_ack(SE_USB_NEED_CLK_INT); + start_int_umask(SE_USB_NEED_CLK_INT); + + start_int_set_rising_edge(SE_USB_AHB_NEED_CLK_INT); + start_int_ack(SE_USB_AHB_NEED_CLK_INT); + start_int_umask(SE_USB_AHB_NEED_CLK_INT); + } } -static void pnx4008_unset_usb_bits(void) +static void nxp_unset_usb_bits(void) { - start_int_mask(SE_USB_OTG_ATX_INT_N); - start_int_mask(SE_USB_OTG_TIMER_INT); - start_int_mask(SE_USB_I2C_INT); - start_int_mask(SE_USB_INT); - start_int_mask(SE_USB_NEED_CLK_INT); - start_int_mask(SE_USB_AHB_NEED_CLK_INT); + if (machine_is_pnx4008()) { + start_int_mask(SE_USB_OTG_ATX_INT_N); + start_int_mask(SE_USB_OTG_TIMER_INT); + start_int_mask(SE_USB_I2C_INT); + start_int_mask(SE_USB_INT); + start_int_mask(SE_USB_NEED_CLK_INT); + start_int_mask(SE_USB_AHB_NEED_CLK_INT); + } } -static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev) +static int __devinit usb_hcd_nxp_probe(struct platform_device *pdev) { struct usb_hcd *hcd = 0; struct ohci_hcd *ohci; - const struct hc_driver *driver = &ohci_pnx4008_hc_driver; + const struct hc_driver *driver = &ohci_nxp_hc_driver; struct i2c_adapter *i2c_adap; struct i2c_board_info i2c_info; int ret = 0, irq; - dev_dbg(&pdev->dev, "%s: " DRIVER_DESC " (pnx4008)\n", hcd_name); + dev_dbg(&pdev->dev, "%s: " DRIVER_DESC " (nxp)\n", hcd_name); if (usb_disabled()) { err("USB is disabled"); ret = -ENODEV; @@ -327,7 +402,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev) } i2c_adap = i2c_get_adapter(2); memset(&i2c_info, 0, sizeof(struct i2c_board_info)); - strlcpy(i2c_info.type, "isp1301_pnx", I2C_NAME_SIZE); + strlcpy(i2c_info.type, "isp1301_nxp", I2C_NAME_SIZE); isp1301_i2c_client = i2c_new_probed_device(i2c_adap, &i2c_info, normal_i2c, NULL); i2c_put_adapter(i2c_adap); @@ -375,7 +450,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev) } /* Set all USB bits in the Start Enable register */ - pnx4008_set_usb_bits(); + nxp_set_usb_bits(); hcd->rsrc_start = pdev->resource[0].start; hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1; @@ -392,7 +467,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev) goto out4; } - pnx4008_start_hc(); + nxp_start_hc(); platform_set_drvdata(pdev, hcd); ohci = hcd_to_ohci(hcd); ohci_hcd_init(ohci); @@ -402,9 +477,9 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev) if (ret == 0) return ret; - pnx4008_stop_hc(); + nxp_stop_hc(); out4: - pnx4008_unset_usb_bits(); + nxp_unset_usb_bits(); usb_put_hcd(hcd); out3: clk_disable(usb_clk); @@ -419,15 +494,15 @@ out: return ret; } -static int usb_hcd_pnx4008_remove(struct platform_device *pdev) +static int usb_hcd_nxp_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); usb_remove_hcd(hcd); - pnx4008_stop_hc(); + nxp_stop_hc(); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); - pnx4008_unset_usb_bits(); + nxp_unset_usb_bits(); clk_disable(usb_clk); clk_put(usb_clk); i2c_unregister_device(isp1301_i2c_client); @@ -442,12 +517,12 @@ static int usb_hcd_pnx4008_remove(struct platform_device *pdev) /* work with hotplug and coldplug */ MODULE_ALIAS("platform:usb-ohci"); -static struct platform_driver usb_hcd_pnx4008_driver = { +static struct platform_driver usb_hcd_nxp_driver = { .driver = { .name = "usb-ohci", .owner = THIS_MODULE, }, - .probe = usb_hcd_pnx4008_probe, - .remove = usb_hcd_pnx4008_remove, + .probe = usb_hcd_nxp_probe, + .remove = usb_hcd_nxp_remove, }; diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index db3968656d2..96451e41ee8 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -171,7 +171,7 @@ static void start_hnp(struct ohci_hcd *ohci) unsigned long flags; u32 l; - otg_start_hnp(ohci->transceiver); + otg_start_hnp(ohci->transceiver->otg); local_irq_save(flags); ohci->transceiver->state = OTG_STATE_A_SUSPEND; @@ -210,9 +210,9 @@ static int ohci_omap_init(struct usb_hcd *hcd) #ifdef CONFIG_USB_OTG if (need_transceiver) { - ohci->transceiver = otg_get_transceiver(); + ohci->transceiver = usb_get_transceiver(); if (ohci->transceiver) { - int status = otg_set_host(ohci->transceiver, + int status = otg_set_host(ohci->transceiver->otg, &ohci_to_hcd(ohci)->self); dev_dbg(hcd->self.controller, "init %s transceiver, status %d\n", ohci->transceiver->label, status); @@ -404,7 +404,7 @@ usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev) usb_remove_hcd(hcd); if (ohci->transceiver) { - (void) otg_set_host(ohci->transceiver, 0); + (void) otg_set_host(ohci->transceiver->otg, 0); put_device(ohci->transceiver->dev); } if (machine_is_omap_osk()) diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c new file mode 100644 index 00000000000..ec5c6791c8b --- /dev/null +++ b/drivers/usb/host/ohci-platform.c @@ -0,0 +1,194 @@ +/* + * Generic platform ohci driver + * + * Copyright 2007 Michael Buesch <m@bues.ch> + * Copyright 2011-2012 Hauke Mehrtens <hauke@hauke-m.de> + * + * Derived from the OCHI-SSB driver + * Derived from the OHCI-PCI driver + * Copyright 1999 Roman Weissgaerber + * Copyright 2000-2002 David Brownell + * Copyright 1999 Linus Torvalds + * Copyright 1999 Gregory P. Smith + * + * Licensed under the GNU/GPL. See COPYING for details. + */ +#include <linux/platform_device.h> +#include <linux/usb/ohci_pdriver.h> + +static int ohci_platform_reset(struct usb_hcd *hcd) +{ + struct platform_device *pdev = to_platform_device(hcd->self.controller); + struct usb_ohci_pdata *pdata = pdev->dev.platform_data; + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + int err; + + if (pdata->big_endian_desc) + ohci->flags |= OHCI_QUIRK_BE_DESC; + if (pdata->big_endian_mmio) + ohci->flags |= OHCI_QUIRK_BE_MMIO; + if (pdata->no_big_frame_no) + ohci->flags |= OHCI_QUIRK_FRAME_NO; + + ohci_hcd_init(ohci); + err = ohci_init(ohci); + + return err; +} + +static int ohci_platform_start(struct usb_hcd *hcd) +{ + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + int err; + + err = ohci_run(ohci); + if (err < 0) { + ohci_err(ohci, "can't start\n"); + ohci_stop(hcd); + } + + return err; +} + +static const struct hc_driver ohci_platform_hc_driver = { + .description = hcd_name, + .product_desc = "Generic Platform OHCI Controller", + .hcd_priv_size = sizeof(struct ohci_hcd), + + .irq = ohci_irq, + .flags = HCD_MEMORY | HCD_USB11, + + .reset = ohci_platform_reset, + .start = ohci_platform_start, + .stop = ohci_stop, + .shutdown = ohci_shutdown, + + .urb_enqueue = ohci_urb_enqueue, + .urb_dequeue = ohci_urb_dequeue, + .endpoint_disable = ohci_endpoint_disable, + + .get_frame_number = ohci_get_frame, + + .hub_status_data = ohci_hub_status_data, + .hub_control = ohci_hub_control, +#ifdef CONFIG_PM + .bus_suspend = ohci_bus_suspend, + .bus_resume = ohci_bus_resume, +#endif + + .start_port_reset = ohci_start_port_reset, +}; + +static int __devinit ohci_platform_probe(struct platform_device *dev) +{ + struct usb_hcd *hcd; + struct resource *res_mem; + int irq; + int err = -ENOMEM; + + BUG_ON(!dev->dev.platform_data); + + if (usb_disabled()) + return -ENODEV; + + irq = platform_get_irq(dev, 0); + if (irq < 0) { + pr_err("no irq provieded"); + return irq; + } + + res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (!res_mem) { + pr_err("no memory recourse provieded"); + return -ENXIO; + } + + hcd = usb_create_hcd(&ohci_platform_hc_driver, &dev->dev, + dev_name(&dev->dev)); + if (!hcd) + return -ENOMEM; + + hcd->rsrc_start = res_mem->start; + hcd->rsrc_len = resource_size(res_mem); + + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { + pr_err("controller already in use"); + err = -EBUSY; + goto err_put_hcd; + } + + hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); + if (!hcd->regs) + goto err_release_region; + err = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (err) + goto err_iounmap; + + platform_set_drvdata(dev, hcd); + + return err; + +err_iounmap: + iounmap(hcd->regs); +err_release_region: + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); +err_put_hcd: + usb_put_hcd(hcd); + return err; +} + +static int __devexit ohci_platform_remove(struct platform_device *dev) +{ + struct usb_hcd *hcd = platform_get_drvdata(dev); + + usb_remove_hcd(hcd); + iounmap(hcd->regs); + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); + usb_put_hcd(hcd); + platform_set_drvdata(dev, NULL); + + return 0; +} + +#ifdef CONFIG_PM + +static int ohci_platform_suspend(struct device *dev) +{ + return 0; +} + +static int ohci_platform_resume(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + + ohci_finish_controller_resume(hcd); + return 0; +} + +#else /* !CONFIG_PM */ +#define ohci_platform_suspend NULL +#define ohci_platform_resume NULL +#endif /* CONFIG_PM */ + +static const struct platform_device_id ohci_platform_table[] = { + { "ohci-platform", 0 }, + { } +}; +MODULE_DEVICE_TABLE(platform, ohci_platform_table); + +static const struct dev_pm_ops ohci_platform_pm_ops = { + .suspend = ohci_platform_suspend, + .resume = ohci_platform_resume, +}; + +static struct platform_driver ohci_platform_driver = { + .id_table = ohci_platform_table, + .probe = ohci_platform_probe, + .remove = __devexit_p(ohci_platform_remove), + .shutdown = usb_hcd_platform_shutdown, + .driver = { + .owner = THIS_MODULE, + .name = "ohci-platform", + .pm = &ohci_platform_pm_ops, + } +}; diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 6313e4439f3..c31b2815be1 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -23,6 +23,7 @@ #include <linux/signal.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <mach/hardware.h> #include <mach/ohci.h> #include <mach/pxa3xx-u2d.h> @@ -218,7 +219,7 @@ static int pxa27x_start_hc(struct pxa27x_ohci *ohci, struct device *dev) inf = dev->platform_data; - clk_enable(ohci->clk); + clk_prepare_enable(ohci->clk); pxa27x_reset_hc(ohci); @@ -268,7 +269,7 @@ static void pxa27x_stop_hc(struct pxa27x_ohci *ohci, struct device *dev) __raw_writel(uhccoms, ohci->mmio_base + UHCCOMS); udelay(10); - clk_disable(ohci->clk); + clk_disable_unprepare(ohci->clk); } diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 8ff6f7ea96f..1b19aea25a2 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -376,7 +376,7 @@ struct ohci_hcd { * OTG controllers and transceivers need software interaction; * other external transceivers should be software-transparent */ - struct otg_transceiver *transceiver; + struct usb_phy *transceiver; void (*start_hnp)(struct ohci_hcd *ohci); /* diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index e84ca1928db..2bf1320dc9c 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -2428,6 +2428,9 @@ static int __devinit r8a66597_probe(struct platform_device *pdev) int i; unsigned long irq_trigger; + if (usb_disabled()) + return -ENODEV; + if (pdev->dev.dma_mask) { ret = -EINVAL; dev_err(&pdev->dev, "dma not supported\n"); @@ -2552,20 +2555,4 @@ static struct platform_driver r8a66597_driver = { }, }; -static int __init r8a66597_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - printk(KERN_INFO KBUILD_MODNAME ": driver %s, %s\n", hcd_name, - DRIVER_VERSION); - return platform_driver_register(&r8a66597_driver); -} -module_init(r8a66597_init); - -static void __exit r8a66597_cleanup(void) -{ - platform_driver_unregister(&r8a66597_driver); -} -module_exit(r8a66597_cleanup); - +module_platform_driver(r8a66597_driver); diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 961d6638d8f..2a2cce2d2fa 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1632,6 +1632,9 @@ sl811h_probe(struct platform_device *dev) u8 tmp, ioaddr = 0; unsigned long irqflags; + if (usb_disabled()) + return -ENODEV; + /* basic sanity checks first. board-specific init logic should * have initialized these three resources and probably board * specific platform_data. we don't probe for IRQs, and do only @@ -1817,20 +1820,4 @@ struct platform_driver sl811h_driver = { }; EXPORT_SYMBOL(sl811h_driver); -/*-------------------------------------------------------------------------*/ - -static int __init sl811h_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - INFO("driver %s, %s\n", hcd_name, DRIVER_VERSION); - return platform_driver_register(&sl811h_driver); -} -module_init(sl811h_init); - -static void __exit sl811h_cleanup(void) -{ - platform_driver_unregister(&sl811h_driver); -} -module_exit(sl811h_cleanup); +module_platform_driver(sl811h_driver); diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 6b5eb1017e2..e37dea87bb5 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -565,6 +565,9 @@ static int uhci_start(struct usb_hcd *hcd) struct dentry __maybe_unused *dentry; hcd->uses_new_polling = 1; + /* Accept arbitrarily long scatter-gather lists */ + if (!(hcd->driver->flags & HCD_LOCAL_MEM)) + hcd->self.sg_tablesize = ~0; spin_lock_init(&uhci->lock); setup_timer(&uhci->fsbr_timer, uhci_fsbr_timeout, diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 557b6f32db8..673ad120c43 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -422,6 +422,32 @@ void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array, xhci_writel(xhci, temp, port_array[port_id]); } +void xhci_set_remote_wake_mask(struct xhci_hcd *xhci, + __le32 __iomem **port_array, int port_id, u16 wake_mask) +{ + u32 temp; + + temp = xhci_readl(xhci, port_array[port_id]); + temp = xhci_port_state_to_neutral(temp); + + if (wake_mask & USB_PORT_FEAT_REMOTE_WAKE_CONNECT) + temp |= PORT_WKCONN_E; + else + temp &= ~PORT_WKCONN_E; + + if (wake_mask & USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT) + temp |= PORT_WKDISC_E; + else + temp &= ~PORT_WKDISC_E; + + if (wake_mask & USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT) + temp |= PORT_WKOC_E; + else + temp &= ~PORT_WKOC_E; + + xhci_writel(xhci, temp, port_array[port_id]); +} + /* Test and clear port RWC bit */ void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array, int port_id, u32 port_bit) @@ -448,6 +474,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, int slot_id; struct xhci_bus_state *bus_state; u16 link_state = 0; + u16 wake_mask = 0; max_ports = xhci_get_ports(hcd, &port_array); bus_state = &xhci->bus_state[hcd_index(hcd)]; @@ -593,6 +620,8 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case SetPortFeature: if (wValue == USB_PORT_FEAT_LINK_STATE) link_state = (wIndex & 0xff00) >> 3; + if (wValue == USB_PORT_FEAT_REMOTE_WAKE_MASK) + wake_mask = wIndex & 0xff00; wIndex &= 0xff; if (!wIndex || wIndex > max_ports) goto error; @@ -703,6 +732,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, temp = xhci_readl(xhci, port_array[wIndex]); xhci_dbg(xhci, "set port reset, actual port %d status = 0x%x\n", wIndex, temp); break; + case USB_PORT_FEAT_REMOTE_WAKE_MASK: + xhci_set_remote_wake_mask(xhci, port_array, + wIndex, wake_mask); + temp = xhci_readl(xhci, port_array[wIndex]); + xhci_dbg(xhci, "set port remote wake mask, " + "actual port %d status = 0x%x\n", + wIndex, temp); + break; case USB_PORT_FEAT_BH_PORT_RESET: temp |= PORT_WR; xhci_writel(xhci, temp, port_array[wIndex]); @@ -883,6 +920,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd) t2 |= PORT_LINK_STROBE | XDEV_U3; set_bit(port_index, &bus_state->bus_suspended); } + /* USB core sets remote wake mask for USB 3.0 hubs, + * including the USB 3.0 roothub, but only if CONFIG_USB_SUSPEND + * is enabled, so also enable remote wake here. + */ if (hcd->self.root_hub->do_remote_wakeup) { if (t1 & PORT_CONNECT) { t2 |= PORT_WKOC_E | PORT_WKDISC_E; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 383fc857491..cae4c6f2845 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -34,10 +34,12 @@ * Section 4.11.1.1: * "All components of all Command and Transfer TRBs shall be initialized to '0'" */ -static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, gfp_t flags) +static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, + unsigned int cycle_state, gfp_t flags) { struct xhci_segment *seg; dma_addr_t dma; + int i; seg = kzalloc(sizeof *seg, flags); if (!seg) @@ -50,6 +52,11 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, gfp_t flag } memset(seg->trbs, 0, SEGMENT_SIZE); + /* If the cycle state is 0, set the cycle bit to 1 for all the TRBs */ + if (cycle_state == 0) { + for (i = 0; i < TRBS_PER_SEGMENT; i++) + seg->trbs[i].link.control |= TRB_CYCLE; + } seg->dma = dma; seg->next = NULL; @@ -65,6 +72,20 @@ static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg) kfree(seg); } +static void xhci_free_segments_for_ring(struct xhci_hcd *xhci, + struct xhci_segment *first) +{ + struct xhci_segment *seg; + + seg = first->next; + while (seg != first) { + struct xhci_segment *next = seg->next; + xhci_segment_free(xhci, seg); + seg = next; + } + xhci_segment_free(xhci, first); +} + /* * Make the prev segment point to the next segment. * @@ -73,14 +94,14 @@ static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg) * related flags, such as End TRB, Toggle Cycle, and no snoop. */ static void xhci_link_segments(struct xhci_hcd *xhci, struct xhci_segment *prev, - struct xhci_segment *next, bool link_trbs, bool isoc) + struct xhci_segment *next, enum xhci_ring_type type) { u32 val; if (!prev || !next) return; prev->next = next; - if (link_trbs) { + if (type != TYPE_EVENT) { prev->trbs[TRBS_PER_SEGMENT-1].link.segment_ptr = cpu_to_le64(next->dma); @@ -91,35 +112,55 @@ static void xhci_link_segments(struct xhci_hcd *xhci, struct xhci_segment *prev, /* Always set the chain bit with 0.95 hardware */ /* Set chain bit for isoc rings on AMD 0.96 host */ if (xhci_link_trb_quirk(xhci) || - (isoc && (xhci->quirks & XHCI_AMD_0x96_HOST))) + (type == TYPE_ISOC && + (xhci->quirks & XHCI_AMD_0x96_HOST))) val |= TRB_CHAIN; prev->trbs[TRBS_PER_SEGMENT-1].link.control = cpu_to_le32(val); } } +/* + * Link the ring to the new segments. + * Set Toggle Cycle for the new ring if needed. + */ +static void xhci_link_rings(struct xhci_hcd *xhci, struct xhci_ring *ring, + struct xhci_segment *first, struct xhci_segment *last, + unsigned int num_segs) +{ + struct xhci_segment *next; + + if (!ring || !first || !last) + return; + + next = ring->enq_seg->next; + xhci_link_segments(xhci, ring->enq_seg, first, ring->type); + xhci_link_segments(xhci, last, next, ring->type); + ring->num_segs += num_segs; + ring->num_trbs_free += (TRBS_PER_SEGMENT - 1) * num_segs; + + if (ring->type != TYPE_EVENT && ring->enq_seg == ring->last_seg) { + ring->last_seg->trbs[TRBS_PER_SEGMENT-1].link.control + &= ~cpu_to_le32(LINK_TOGGLE); + last->trbs[TRBS_PER_SEGMENT-1].link.control + |= cpu_to_le32(LINK_TOGGLE); + ring->last_seg = last; + } +} + /* XXX: Do we need the hcd structure in all these functions? */ void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring) { - struct xhci_segment *seg; - struct xhci_segment *first_seg; - if (!ring) return; - if (ring->first_seg) { - first_seg = ring->first_seg; - seg = first_seg->next; - while (seg != first_seg) { - struct xhci_segment *next = seg->next; - xhci_segment_free(xhci, seg); - seg = next; - } - xhci_segment_free(xhci, first_seg); - ring->first_seg = NULL; - } + + if (ring->first_seg) + xhci_free_segments_for_ring(xhci, ring->first_seg); + kfree(ring); } -static void xhci_initialize_ring_info(struct xhci_ring *ring) +static void xhci_initialize_ring_info(struct xhci_ring *ring, + unsigned int cycle_state) { /* The ring is empty, so the enqueue pointer == dequeue pointer */ ring->enqueue = ring->first_seg->trbs; @@ -129,11 +170,53 @@ static void xhci_initialize_ring_info(struct xhci_ring *ring) /* The ring is initialized to 0. The producer must write 1 to the cycle * bit to handover ownership of the TRB, so PCS = 1. The consumer must * compare CCS to the cycle bit to check ownership, so CCS = 1. + * + * New rings are initialized with cycle state equal to 1; if we are + * handling ring expansion, set the cycle state equal to the old ring. */ - ring->cycle_state = 1; + ring->cycle_state = cycle_state; /* Not necessary for new rings, but needed for re-initialized rings */ ring->enq_updates = 0; ring->deq_updates = 0; + + /* + * Each segment has a link TRB, and leave an extra TRB for SW + * accounting purpose + */ + ring->num_trbs_free = ring->num_segs * (TRBS_PER_SEGMENT - 1) - 1; +} + +/* Allocate segments and link them for a ring */ +static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci, + struct xhci_segment **first, struct xhci_segment **last, + unsigned int num_segs, unsigned int cycle_state, + enum xhci_ring_type type, gfp_t flags) +{ + struct xhci_segment *prev; + + prev = xhci_segment_alloc(xhci, cycle_state, flags); + if (!prev) + return -ENOMEM; + num_segs--; + + *first = prev; + while (num_segs > 0) { + struct xhci_segment *next; + + next = xhci_segment_alloc(xhci, cycle_state, flags); + if (!next) { + xhci_free_segments_for_ring(xhci, *first); + return -ENOMEM; + } + xhci_link_segments(xhci, prev, next, type); + + prev = next; + num_segs--; + } + xhci_link_segments(xhci, prev, *first, type); + *last = prev; + + return 0; } /** @@ -144,44 +227,34 @@ static void xhci_initialize_ring_info(struct xhci_ring *ring) * See section 4.9.1 and figures 15 and 16. */ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci, - unsigned int num_segs, bool link_trbs, bool isoc, gfp_t flags) + unsigned int num_segs, unsigned int cycle_state, + enum xhci_ring_type type, gfp_t flags) { struct xhci_ring *ring; - struct xhci_segment *prev; + int ret; ring = kzalloc(sizeof *(ring), flags); if (!ring) return NULL; + ring->num_segs = num_segs; INIT_LIST_HEAD(&ring->td_list); + ring->type = type; if (num_segs == 0) return ring; - ring->first_seg = xhci_segment_alloc(xhci, flags); - if (!ring->first_seg) + ret = xhci_alloc_segments_for_ring(xhci, &ring->first_seg, + &ring->last_seg, num_segs, cycle_state, type, flags); + if (ret) goto fail; - num_segs--; - prev = ring->first_seg; - while (num_segs > 0) { - struct xhci_segment *next; - - next = xhci_segment_alloc(xhci, flags); - if (!next) - goto fail; - xhci_link_segments(xhci, prev, next, link_trbs, isoc); - - prev = next; - num_segs--; - } - xhci_link_segments(xhci, prev, ring->first_seg, link_trbs, isoc); - - if (link_trbs) { + /* Only event ring does not use link TRB */ + if (type != TYPE_EVENT) { /* See section 4.9.2.1 and 6.4.4.1 */ - prev->trbs[TRBS_PER_SEGMENT-1].link.control |= + ring->last_seg->trbs[TRBS_PER_SEGMENT - 1].link.control |= cpu_to_le32(LINK_TOGGLE); } - xhci_initialize_ring_info(ring); + xhci_initialize_ring_info(ring, cycle_state); return ring; fail: @@ -217,23 +290,64 @@ void xhci_free_or_cache_endpoint_ring(struct xhci_hcd *xhci, * pointers to the beginning of the ring. */ static void xhci_reinit_cached_ring(struct xhci_hcd *xhci, - struct xhci_ring *ring, bool isoc) + struct xhci_ring *ring, unsigned int cycle_state, + enum xhci_ring_type type) { struct xhci_segment *seg = ring->first_seg; + int i; + do { memset(seg->trbs, 0, sizeof(union xhci_trb)*TRBS_PER_SEGMENT); + if (cycle_state == 0) { + for (i = 0; i < TRBS_PER_SEGMENT; i++) + seg->trbs[i].link.control |= TRB_CYCLE; + } /* All endpoint rings have link TRBs */ - xhci_link_segments(xhci, seg, seg->next, 1, isoc); + xhci_link_segments(xhci, seg, seg->next, type); seg = seg->next; } while (seg != ring->first_seg); - xhci_initialize_ring_info(ring); + ring->type = type; + xhci_initialize_ring_info(ring, cycle_state); /* td list should be empty since all URBs have been cancelled, * but just in case... */ INIT_LIST_HEAD(&ring->td_list); } +/* + * Expand an existing ring. + * Look for a cached ring or allocate a new ring which has same segment numbers + * and link the two rings. + */ +int xhci_ring_expansion(struct xhci_hcd *xhci, struct xhci_ring *ring, + unsigned int num_trbs, gfp_t flags) +{ + struct xhci_segment *first; + struct xhci_segment *last; + unsigned int num_segs; + unsigned int num_segs_needed; + int ret; + + num_segs_needed = (num_trbs + (TRBS_PER_SEGMENT - 1) - 1) / + (TRBS_PER_SEGMENT - 1); + + /* Allocate number of segments we needed, or double the ring size */ + num_segs = ring->num_segs > num_segs_needed ? + ring->num_segs : num_segs_needed; + + ret = xhci_alloc_segments_for_ring(xhci, &first, &last, + num_segs, ring->cycle_state, ring->type, flags); + if (ret) + return -ENOMEM; + + xhci_link_rings(xhci, ring, first, last, num_segs); + xhci_dbg(xhci, "ring expansion succeed, now has %d segments\n", + ring->num_segs); + + return 0; +} + #define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) static struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci, @@ -528,7 +642,7 @@ struct xhci_stream_info *xhci_alloc_stream_info(struct xhci_hcd *xhci, */ for (cur_stream = 1; cur_stream < num_streams; cur_stream++) { stream_info->stream_rings[cur_stream] = - xhci_ring_alloc(xhci, 1, true, false, mem_flags); + xhci_ring_alloc(xhci, 2, 1, TYPE_STREAM, mem_flags); cur_ring = stream_info->stream_rings[cur_stream]; if (!cur_ring) goto cleanup_rings; @@ -862,7 +976,7 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, } /* Allocate endpoint 0 ring */ - dev->eps[0].ring = xhci_ring_alloc(xhci, 1, true, false, flags); + dev->eps[0].ring = xhci_ring_alloc(xhci, 2, 1, TYPE_CTRL, flags); if (!dev->eps[0].ring) goto fail; @@ -1300,24 +1414,16 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, struct xhci_ring *ep_ring; unsigned int max_packet; unsigned int max_burst; + enum xhci_ring_type type; u32 max_esit_payload; ep_index = xhci_get_endpoint_index(&ep->desc); ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); + type = usb_endpoint_type(&ep->desc); /* Set up the endpoint ring */ - /* - * Isochronous endpoint ring needs bigger size because one isoc URB - * carries multiple packets and it will insert multiple tds to the - * ring. - * This should be replaced with dynamic ring resizing in the future. - */ - if (usb_endpoint_xfer_isoc(&ep->desc)) - virt_dev->eps[ep_index].new_ring = - xhci_ring_alloc(xhci, 8, true, true, mem_flags); - else - virt_dev->eps[ep_index].new_ring = - xhci_ring_alloc(xhci, 1, true, false, mem_flags); + virt_dev->eps[ep_index].new_ring = + xhci_ring_alloc(xhci, 2, 1, type, mem_flags); if (!virt_dev->eps[ep_index].new_ring) { /* Attempt to use the ring cache */ if (virt_dev->num_rings_cached == 0) @@ -1327,7 +1433,7 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; virt_dev->num_rings_cached--; xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring, - usb_endpoint_xfer_isoc(&ep->desc) ? true : false); + 1, type); } virt_dev->eps[ep_index].skip = false; ep_ring = virt_dev->eps[ep_index].new_ring; @@ -2157,7 +2263,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) unsigned int val, val2; u64 val_64; struct xhci_segment *seg; - u32 page_size; + u32 page_size, temp; int i; page_size = xhci_readl(xhci, &xhci->op_regs->page_size); @@ -2235,7 +2341,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) goto fail; /* Set up the command ring to have one segments for now. */ - xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, false, flags); + xhci->cmd_ring = xhci_ring_alloc(xhci, 1, 1, TYPE_COMMAND, flags); if (!xhci->cmd_ring) goto fail; xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring); @@ -2266,7 +2372,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) * the event ring segment table (ERST). Section 4.9.3. */ xhci_dbg(xhci, "// Allocating event ring\n"); - xhci->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, false, false, + xhci->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, 1, TYPE_EVENT, flags); if (!xhci->event_ring) goto fail; @@ -2340,6 +2446,15 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) INIT_LIST_HEAD(&xhci->lpm_failed_devs); + /* Enable USB 3.0 device notifications for function remote wake, which + * is necessary for allowing USB 3.0 devices to do remote wakeup from + * U3 (device suspend). + */ + temp = xhci_readl(xhci, &xhci->op_regs->dev_notification); + temp &= ~DEV_NOTE_MASK; + temp |= DEV_NOTE_FWAKE; + xhci_writel(xhci, temp, &xhci->op_regs->dev_notification); + return 0; fail: diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c new file mode 100644 index 00000000000..689bc18b051 --- /dev/null +++ b/drivers/usb/host/xhci-plat.c @@ -0,0 +1,205 @@ +/* + * xhci-plat.c - xHCI host controller driver platform Bus Glue. + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com + * Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> + * + * A lot of code borrowed from the Linux xHCI driver. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#include <linux/platform_device.h> +#include <linux/module.h> +#include <linux/slab.h> + +#include "xhci.h" + +static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci) +{ + /* + * As of now platform drivers don't provide MSI support so we ensure + * here that the generic code does not try to make a pci_dev from our + * dev struct in order to setup MSI + */ + xhci->quirks |= XHCI_BROKEN_MSI; +} + +/* called during probe() after chip reset completes */ +static int xhci_plat_setup(struct usb_hcd *hcd) +{ + return xhci_gen_setup(hcd, xhci_plat_quirks); +} + +static const struct hc_driver xhci_plat_xhci_driver = { + .description = "xhci-hcd", + .product_desc = "xHCI Host Controller", + .hcd_priv_size = sizeof(struct xhci_hcd *), + + /* + * generic hardware linkage + */ + .irq = xhci_irq, + .flags = HCD_MEMORY | HCD_USB3 | HCD_SHARED, + + /* + * basic lifecycle operations + */ + .reset = xhci_plat_setup, + .start = xhci_run, + .stop = xhci_stop, + .shutdown = xhci_shutdown, + + /* + * managing i/o requests and associated device resources + */ + .urb_enqueue = xhci_urb_enqueue, + .urb_dequeue = xhci_urb_dequeue, + .alloc_dev = xhci_alloc_dev, + .free_dev = xhci_free_dev, + .alloc_streams = xhci_alloc_streams, + .free_streams = xhci_free_streams, + .add_endpoint = xhci_add_endpoint, + .drop_endpoint = xhci_drop_endpoint, + .endpoint_reset = xhci_endpoint_reset, + .check_bandwidth = xhci_check_bandwidth, + .reset_bandwidth = xhci_reset_bandwidth, + .address_device = xhci_address_device, + .update_hub_device = xhci_update_hub_device, + .reset_device = xhci_discover_or_reset_device, + + /* + * scheduling support + */ + .get_frame_number = xhci_get_frame, + + /* Root hub support */ + .hub_control = xhci_hub_control, + .hub_status_data = xhci_hub_status_data, + .bus_suspend = xhci_bus_suspend, + .bus_resume = xhci_bus_resume, +}; + +static int xhci_plat_probe(struct platform_device *pdev) +{ + const struct hc_driver *driver; + struct xhci_hcd *xhci; + struct resource *res; + struct usb_hcd *hcd; + int ret; + int irq; + + if (usb_disabled()) + return -ENODEV; + + driver = &xhci_plat_xhci_driver; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return -ENODEV; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); + if (!hcd) + return -ENOMEM; + + hcd->rsrc_start = res->start; + hcd->rsrc_len = resource_size(res); + + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, + driver->description)) { + dev_dbg(&pdev->dev, "controller already in use\n"); + ret = -EBUSY; + goto put_hcd; + } + + hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); + if (!hcd->regs) { + dev_dbg(&pdev->dev, "error mapping memory\n"); + ret = -EFAULT; + goto release_mem_region; + } + + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (ret) + goto unmap_registers; + + /* USB 2.0 roothub is stored in the platform_device now. */ + hcd = dev_get_drvdata(&pdev->dev); + xhci = hcd_to_xhci(hcd); + xhci->shared_hcd = usb_create_shared_hcd(driver, &pdev->dev, + dev_name(&pdev->dev), hcd); + if (!xhci->shared_hcd) { + ret = -ENOMEM; + goto dealloc_usb2_hcd; + } + + /* + * Set the xHCI pointer before xhci_plat_setup() (aka hcd_driver.reset) + * is called by usb_add_hcd(). + */ + *((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci; + + ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED); + if (ret) + goto put_usb3_hcd; + + return 0; + +put_usb3_hcd: + usb_put_hcd(xhci->shared_hcd); + +dealloc_usb2_hcd: + usb_remove_hcd(hcd); + +unmap_registers: + iounmap(hcd->regs); + +release_mem_region: + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); + +put_hcd: + usb_put_hcd(hcd); + + return ret; +} + +static int xhci_plat_remove(struct platform_device *dev) +{ + struct usb_hcd *hcd = platform_get_drvdata(dev); + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + + usb_remove_hcd(xhci->shared_hcd); + usb_put_hcd(xhci->shared_hcd); + + usb_remove_hcd(hcd); + iounmap(hcd->regs); + usb_put_hcd(hcd); + kfree(xhci); + + return 0; +} + +static struct platform_driver usb_xhci_driver = { + .probe = xhci_plat_probe, + .remove = xhci_plat_remove, + .driver = { + .name = "xhci-hcd", + }, +}; +MODULE_ALIAS("platform:xhci-hcd"); + +int xhci_register_plat(void) +{ + return platform_driver_register(&usb_xhci_driver); +} + +void xhci_unregister_plat(void) +{ + platform_driver_unregister(&usb_xhci_driver); +} diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index b62037bff68..6bd9d53062e 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -143,17 +143,25 @@ static void next_trb(struct xhci_hcd *xhci, * See Cycle bit rules. SW is the consumer for the event ring only. * Don't make a ring full of link TRBs. That would be dumb and this would loop. */ -static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring, bool consumer) +static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring) { - union xhci_trb *next = ++(ring->dequeue); + union xhci_trb *next; unsigned long long addr; ring->deq_updates++; + + /* If this is not event ring, there is one more usable TRB */ + if (ring->type != TYPE_EVENT && + !last_trb(xhci, ring, ring->deq_seg, ring->dequeue)) + ring->num_trbs_free++; + next = ++(ring->dequeue); + /* Update the dequeue pointer further if that was a link TRB or we're at * the end of an event ring segment (which doesn't have link TRBS) */ while (last_trb(xhci, ring, ring->deq_seg, next)) { - if (consumer && last_trb_on_last_seg(xhci, ring, ring->deq_seg, next)) { + if (ring->type == TYPE_EVENT && last_trb_on_last_seg(xhci, + ring, ring->deq_seg, next)) { ring->cycle_state = (ring->cycle_state ? 0 : 1); } ring->deq_seg = ring->deq_seg->next; @@ -181,13 +189,17 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring, bool consumer * prepare_transfer()? */ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, - bool consumer, bool more_trbs_coming, bool isoc) + bool more_trbs_coming) { u32 chain; union xhci_trb *next; unsigned long long addr; chain = le32_to_cpu(ring->enqueue->generic.field[3]) & TRB_CHAIN; + /* If this is not event ring, there is one less usable TRB */ + if (ring->type != TYPE_EVENT && + !last_trb(xhci, ring, ring->enq_seg, ring->enqueue)) + ring->num_trbs_free--; next = ++(ring->enqueue); ring->enq_updates++; @@ -195,35 +207,35 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, * the end of an event ring segment (which doesn't have link TRBS) */ while (last_trb(xhci, ring, ring->enq_seg, next)) { - if (!consumer) { - if (ring != xhci->event_ring) { - /* - * If the caller doesn't plan on enqueueing more - * TDs before ringing the doorbell, then we - * don't want to give the link TRB to the - * hardware just yet. We'll give the link TRB - * back in prepare_ring() just before we enqueue - * the TD at the top of the ring. - */ - if (!chain && !more_trbs_coming) - break; + if (ring->type != TYPE_EVENT) { + /* + * If the caller doesn't plan on enqueueing more + * TDs before ringing the doorbell, then we + * don't want to give the link TRB to the + * hardware just yet. We'll give the link TRB + * back in prepare_ring() just before we enqueue + * the TD at the top of the ring. + */ + if (!chain && !more_trbs_coming) + break; - /* If we're not dealing with 0.95 hardware or - * isoc rings on AMD 0.96 host, - * carry over the chain bit of the previous TRB - * (which may mean the chain bit is cleared). - */ - if (!(isoc && (xhci->quirks & XHCI_AMD_0x96_HOST)) + /* If we're not dealing with 0.95 hardware or + * isoc rings on AMD 0.96 host, + * carry over the chain bit of the previous TRB + * (which may mean the chain bit is cleared). + */ + if (!(ring->type == TYPE_ISOC && + (xhci->quirks & XHCI_AMD_0x96_HOST)) && !xhci_link_trb_quirk(xhci)) { - next->link.control &= - cpu_to_le32(~TRB_CHAIN); - next->link.control |= - cpu_to_le32(chain); - } - /* Give this link TRB to the hardware */ - wmb(); - next->link.control ^= cpu_to_le32(TRB_CYCLE); + next->link.control &= + cpu_to_le32(~TRB_CHAIN); + next->link.control |= + cpu_to_le32(chain); } + /* Give this link TRB to the hardware */ + wmb(); + next->link.control ^= cpu_to_le32(TRB_CYCLE); + /* Toggle the cycle bit after the last ring segment. */ if (last_trb_on_last_seg(xhci, ring, ring->enq_seg, next)) { ring->cycle_state = (ring->cycle_state ? 0 : 1); @@ -237,55 +249,23 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, } /* - * Check to see if there's room to enqueue num_trbs on the ring. See rules - * above. - * FIXME: this would be simpler and faster if we just kept track of the number - * of free TRBs in a ring. + * Check to see if there's room to enqueue num_trbs on the ring and make sure + * enqueue pointer will not advance into dequeue segment. See rules above. */ -static int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring, +static inline int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring, unsigned int num_trbs) { - int i; - union xhci_trb *enq = ring->enqueue; - struct xhci_segment *enq_seg = ring->enq_seg; - struct xhci_segment *cur_seg; - unsigned int left_on_ring; - - /* If we are currently pointing to a link TRB, advance the - * enqueue pointer before checking for space */ - while (last_trb(xhci, ring, enq_seg, enq)) { - enq_seg = enq_seg->next; - enq = enq_seg->trbs; - } - - /* Check if ring is empty */ - if (enq == ring->dequeue) { - /* Can't use link trbs */ - left_on_ring = TRBS_PER_SEGMENT - 1; - for (cur_seg = enq_seg->next; cur_seg != enq_seg; - cur_seg = cur_seg->next) - left_on_ring += TRBS_PER_SEGMENT - 1; - - /* Always need one TRB free in the ring. */ - left_on_ring -= 1; - if (num_trbs > left_on_ring) { - xhci_warn(xhci, "Not enough room on ring; " - "need %u TRBs, %u TRBs left\n", - num_trbs, left_on_ring); - return 0; - } - return 1; - } - /* Make sure there's an extra empty TRB available */ - for (i = 0; i <= num_trbs; ++i) { - if (enq == ring->dequeue) + int num_trbs_in_deq_seg; + + if (ring->num_trbs_free < num_trbs) + return 0; + + if (ring->type != TYPE_COMMAND && ring->type != TYPE_EVENT) { + num_trbs_in_deq_seg = ring->dequeue - ring->deq_seg->trbs; + if (ring->num_trbs_free < num_trbs + num_trbs_in_deq_seg) return 0; - enq++; - while (last_trb(xhci, ring, enq_seg, enq)) { - enq_seg = enq_seg->next; - enq = enq_seg->trbs; - } } + return 1; } @@ -892,6 +872,43 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) xhci_dbg(xhci, "xHCI host controller is dead.\n"); } + +static void update_ring_for_set_deq_completion(struct xhci_hcd *xhci, + struct xhci_virt_device *dev, + struct xhci_ring *ep_ring, + unsigned int ep_index) +{ + union xhci_trb *dequeue_temp; + int num_trbs_free_temp; + bool revert = false; + + num_trbs_free_temp = ep_ring->num_trbs_free; + dequeue_temp = ep_ring->dequeue; + + while (ep_ring->dequeue != dev->eps[ep_index].queued_deq_ptr) { + /* We have more usable TRBs */ + ep_ring->num_trbs_free++; + ep_ring->dequeue++; + if (last_trb(xhci, ep_ring, ep_ring->deq_seg, + ep_ring->dequeue)) { + if (ep_ring->dequeue == + dev->eps[ep_index].queued_deq_ptr) + break; + ep_ring->deq_seg = ep_ring->deq_seg->next; + ep_ring->dequeue = ep_ring->deq_seg->trbs; + } + if (ep_ring->dequeue == dequeue_temp) { + revert = true; + break; + } + } + + if (revert) { + xhci_dbg(xhci, "Unable to find new dequeue pointer\n"); + ep_ring->num_trbs_free = num_trbs_free_temp; + } +} + /* * When we get a completion for a Set Transfer Ring Dequeue Pointer command, * we need to clear the set deq pending flag in the endpoint ring state, so that @@ -973,8 +990,8 @@ static void handle_set_deq_completion(struct xhci_hcd *xhci, /* Update the ring's dequeue segment and dequeue pointer * to reflect the new position. */ - ep_ring->deq_seg = dev->eps[ep_index].queued_deq_seg; - ep_ring->dequeue = dev->eps[ep_index].queued_deq_ptr; + update_ring_for_set_deq_completion(xhci, dev, + ep_ring, ep_index); } else { xhci_warn(xhci, "Mismatch between completed Set TR Deq " "Ptr command & xHCI internal state.\n"); @@ -1185,7 +1202,7 @@ bandwidth_change: xhci->error_bitmask |= 1 << 6; break; } - inc_deq(xhci, xhci->cmd_ring, false); + inc_deq(xhci, xhci->cmd_ring); } static void handle_vendor_event(struct xhci_hcd *xhci, @@ -1237,6 +1254,26 @@ static unsigned int find_faked_portnum_from_hw_portnum(struct usb_hcd *hcd, return num_similar_speed_ports; } +static void handle_device_notification(struct xhci_hcd *xhci, + union xhci_trb *event) +{ + u32 slot_id; + struct usb_device *udev; + + slot_id = TRB_TO_SLOT_ID(event->generic.field[3]); + if (!xhci->devs[slot_id]) { + xhci_warn(xhci, "Device Notification event for " + "unused slot %u\n", slot_id); + return; + } + + xhci_dbg(xhci, "Device Wake Notification event for slot ID %u\n", + slot_id); + udev = xhci->devs[slot_id]->udev; + if (udev && udev->parent) + usb_wakeup_notification(udev->parent, udev->portnum); +} + static void handle_port_status(struct xhci_hcd *xhci, union xhci_trb *event) { @@ -1321,20 +1358,21 @@ static void handle_port_status(struct xhci_hcd *xhci, } if (DEV_SUPERSPEED(temp)) { - xhci_dbg(xhci, "resume SS port %d\n", port_id); + xhci_dbg(xhci, "remote wake SS port %d\n", port_id); + /* Set a flag to say the port signaled remote wakeup, + * so we can tell the difference between the end of + * device and host initiated resume. + */ + bus_state->port_remote_wakeup |= 1 << faked_port_index; + xhci_test_and_clear_bit(xhci, port_array, + faked_port_index, PORT_PLC); xhci_set_link_state(xhci, port_array, faked_port_index, XDEV_U0); - slot_id = xhci_find_slot_id_by_port(hcd, xhci, - faked_port_index + 1); - if (!slot_id) { - xhci_dbg(xhci, "slot_id is zero\n"); - goto cleanup; - } - xhci_ring_device(xhci, slot_id); - xhci_dbg(xhci, "resume SS port %d finished\n", port_id); - /* Clear PORT_PLC */ - xhci_test_and_clear_bit(xhci, port_array, - faked_port_index, PORT_PLC); + /* Need to wait until the next link state change + * indicates the device is actually in U0. + */ + bogus_port_status = true; + goto cleanup; } else { xhci_dbg(xhci, "resume HS port %d\n", port_id); bus_state->resume_done[faked_port_index] = jiffies + @@ -1345,13 +1383,39 @@ static void handle_port_status(struct xhci_hcd *xhci, } } + if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_U0 && + DEV_SUPERSPEED(temp)) { + xhci_dbg(xhci, "resume SS port %d finished\n", port_id); + /* We've just brought the device into U0 through either the + * Resume state after a device remote wakeup, or through the + * U3Exit state after a host-initiated resume. If it's a device + * initiated remote wake, don't pass up the link state change, + * so the roothub behavior is consistent with external + * USB 3.0 hub behavior. + */ + slot_id = xhci_find_slot_id_by_port(hcd, xhci, + faked_port_index + 1); + if (slot_id && xhci->devs[slot_id]) + xhci_ring_device(xhci, slot_id); + if (bus_state->port_remote_wakeup && (1 << faked_port_index)) { + bus_state->port_remote_wakeup &= + ~(1 << faked_port_index); + xhci_test_and_clear_bit(xhci, port_array, + faked_port_index, PORT_PLC); + usb_wakeup_notification(hcd->self.root_hub, + faked_port_index + 1); + bogus_port_status = true; + goto cleanup; + } + } + if (hcd->speed != HCD_USB3) xhci_test_and_clear_bit(xhci, port_array, faked_port_index, PORT_PLC); cleanup: /* Update event ring dequeue pointer before dropping the lock */ - inc_deq(xhci, xhci->event_ring, true); + inc_deq(xhci, xhci->event_ring); /* Don't make the USB core poll the roothub if we got a bad port status * change event. Besides, at that point we can't tell which roothub @@ -1546,8 +1610,8 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, } else { /* Update ring dequeue pointer */ while (ep_ring->dequeue != td->last_trb) - inc_deq(xhci, ep_ring, false); - inc_deq(xhci, ep_ring, false); + inc_deq(xhci, ep_ring); + inc_deq(xhci, ep_ring); } td_cleanup: @@ -1795,8 +1859,8 @@ static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, /* Update ring dequeue pointer */ while (ep_ring->dequeue != td->last_trb) - inc_deq(xhci, ep_ring, false); - inc_deq(xhci, ep_ring, false); + inc_deq(xhci, ep_ring); + inc_deq(xhci, ep_ring); return finish_td(xhci, td, NULL, event, ep, status, true); } @@ -2183,7 +2247,7 @@ cleanup: * Will roll back to continue process missed tds. */ if (trb_comp_code == COMP_MISSED_INT || !ep->skip) { - inc_deq(xhci, xhci->event_ring, true); + inc_deq(xhci, xhci->event_ring); } if (ret) { @@ -2277,6 +2341,9 @@ static int xhci_handle_event(struct xhci_hcd *xhci) else update_ptrs = 0; break; + case TRB_TYPE(TRB_DEV_NOTE): + handle_device_notification(xhci, event); + break; default: if ((le32_to_cpu(event->event_cmd.flags) & TRB_TYPE_BITMASK) >= TRB_TYPE(48)) @@ -2295,7 +2362,7 @@ static int xhci_handle_event(struct xhci_hcd *xhci) if (update_ptrs) /* Update SW event ring dequeue pointer */ - inc_deq(xhci, xhci->event_ring, true); + inc_deq(xhci, xhci->event_ring); /* Are there more items on the event ring? Caller will call us again to * check. @@ -2346,7 +2413,7 @@ hw_died: /* FIXME when MSI-X is supported and there are multiple vectors */ /* Clear the MSI-X event interrupt status */ - if (hcd->irq != -1) { + if (hcd->irq) { u32 irq_pending; /* Acknowledge the PCI interrupt */ irq_pending = xhci_readl(xhci, &xhci->ir_set->irq_pending); @@ -2411,7 +2478,7 @@ irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd) * prepare_transfer()? */ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, - bool consumer, bool more_trbs_coming, bool isoc, + bool more_trbs_coming, u32 field1, u32 field2, u32 field3, u32 field4) { struct xhci_generic_trb *trb; @@ -2421,7 +2488,7 @@ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, trb->field[1] = cpu_to_le32(field2); trb->field[2] = cpu_to_le32(field3); trb->field[3] = cpu_to_le32(field4); - inc_enq(xhci, ring, consumer, more_trbs_coming, isoc); + inc_enq(xhci, ring, more_trbs_coming); } /* @@ -2429,8 +2496,10 @@ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, * FIXME allocate segments if the ring is full. */ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, - u32 ep_state, unsigned int num_trbs, bool isoc, gfp_t mem_flags) + u32 ep_state, unsigned int num_trbs, gfp_t mem_flags) { + unsigned int num_trbs_needed; + /* Make sure the endpoint has been added to xHC schedule */ switch (ep_state) { case EP_STATE_DISABLED: @@ -2458,11 +2527,25 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, */ return -EINVAL; } - if (!room_on_ring(xhci, ep_ring, num_trbs)) { - /* FIXME allocate more room */ - xhci_err(xhci, "ERROR no room on ep ring\n"); - return -ENOMEM; - } + + while (1) { + if (room_on_ring(xhci, ep_ring, num_trbs)) + break; + + if (ep_ring == xhci->cmd_ring) { + xhci_err(xhci, "Do not support expand command ring\n"); + return -ENOMEM; + } + + xhci_dbg(xhci, "ERROR no room on ep ring, " + "try ring expansion\n"); + num_trbs_needed = num_trbs - ep_ring->num_trbs_free; + if (xhci_ring_expansion(xhci, ep_ring, num_trbs_needed, + mem_flags)) { + xhci_err(xhci, "Ring expansion failed\n"); + return -ENOMEM; + } + }; if (enqueue_is_link_trb(ep_ring)) { struct xhci_ring *ring = ep_ring; @@ -2474,8 +2557,9 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, /* If we're not dealing with 0.95 hardware or isoc rings * on AMD 0.96 host, clear the chain bit. */ - if (!xhci_link_trb_quirk(xhci) && !(isoc && - (xhci->quirks & XHCI_AMD_0x96_HOST))) + if (!xhci_link_trb_quirk(xhci) && + !(ring->type == TYPE_ISOC && + (xhci->quirks & XHCI_AMD_0x96_HOST))) next->link.control &= cpu_to_le32(~TRB_CHAIN); else next->link.control |= cpu_to_le32(TRB_CHAIN); @@ -2503,7 +2587,6 @@ static int prepare_transfer(struct xhci_hcd *xhci, unsigned int num_trbs, struct urb *urb, unsigned int td_index, - bool isoc, gfp_t mem_flags) { int ret; @@ -2521,7 +2604,7 @@ static int prepare_transfer(struct xhci_hcd *xhci, ret = prepare_ring(xhci, ep_ring, le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK, - num_trbs, isoc, mem_flags); + num_trbs, mem_flags); if (ret) return ret; @@ -2731,7 +2814,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, trb_buff_len = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, - num_trbs, urb, 0, false, mem_flags); + num_trbs, urb, 0, mem_flags); if (trb_buff_len < 0) return trb_buff_len; @@ -2819,7 +2902,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, more_trbs_coming = true; else more_trbs_coming = false; - queue_trb(xhci, ep_ring, false, more_trbs_coming, false, + queue_trb(xhci, ep_ring, more_trbs_coming, lower_32_bits(addr), upper_32_bits(addr), length_field, @@ -2901,7 +2984,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, - num_trbs, urb, 0, false, mem_flags); + num_trbs, urb, 0, mem_flags); if (ret < 0) return ret; @@ -2973,7 +3056,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, more_trbs_coming = true; else more_trbs_coming = false; - queue_trb(xhci, ep_ring, false, more_trbs_coming, false, + queue_trb(xhci, ep_ring, more_trbs_coming, lower_32_bits(addr), upper_32_bits(addr), length_field, @@ -3030,7 +3113,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, num_trbs++; ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, - num_trbs, urb, 0, false, mem_flags); + num_trbs, urb, 0, mem_flags); if (ret < 0) return ret; @@ -3063,7 +3146,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } } - queue_trb(xhci, ep_ring, false, true, false, + queue_trb(xhci, ep_ring, true, setup->bRequestType | setup->bRequest << 8 | le16_to_cpu(setup->wValue) << 16, le16_to_cpu(setup->wIndex) | le16_to_cpu(setup->wLength) << 16, TRB_LEN(8) | TRB_INTR_TARGET(0), @@ -3083,7 +3166,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (urb->transfer_buffer_length > 0) { if (setup->bRequestType & USB_DIR_IN) field |= TRB_DIR_IN; - queue_trb(xhci, ep_ring, false, true, false, + queue_trb(xhci, ep_ring, true, lower_32_bits(urb->transfer_dma), upper_32_bits(urb->transfer_dma), length_field, @@ -3099,7 +3182,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, field = 0; else field = TRB_DIR_IN; - queue_trb(xhci, ep_ring, false, false, false, + queue_trb(xhci, ep_ring, false, 0, 0, TRB_INTR_TARGET(0), @@ -3239,8 +3322,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, trbs_per_td = count_isoc_trbs_needed(xhci, urb, i); ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, - urb->stream_id, trbs_per_td, urb, i, true, - mem_flags); + urb->stream_id, trbs_per_td, urb, i, mem_flags); if (ret < 0) { if (i == 0) return ret; @@ -3310,7 +3392,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, remainder | TRB_INTR_TARGET(0); - queue_trb(xhci, ep_ring, false, more_trbs_coming, true, + queue_trb(xhci, ep_ring, more_trbs_coming, lower_32_bits(addr), upper_32_bits(addr), length_field, @@ -3357,6 +3439,7 @@ cleanup: ep_ring->enqueue = urb_priv->td[0]->first_trb; ep_ring->enq_seg = urb_priv->td[0]->start_seg; ep_ring->cycle_state = start_cycle; + ep_ring->num_trbs_free = ep_ring->num_trbs_free_temp; usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb); return ret; } @@ -3393,7 +3476,7 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, * Do not insert any td of the urb to the ring if the check failed. */ ret = prepare_ring(xhci, ep_ring, le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK, - num_trbs, true, mem_flags); + num_trbs, mem_flags); if (ret) return ret; @@ -3429,6 +3512,8 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, urb->dev->speed == USB_SPEED_FULL) urb->interval /= 8; } + ep_ring->num_trbs_free_temp = ep_ring->num_trbs_free; + return xhci_queue_isoc_tx(xhci, GFP_ATOMIC, urb, slot_id, ep_index); } @@ -3452,7 +3537,7 @@ static int queue_command(struct xhci_hcd *xhci, u32 field1, u32 field2, reserved_trbs++; ret = prepare_ring(xhci, xhci->cmd_ring, EP_STATE_RUNNING, - reserved_trbs, false, GFP_ATOMIC); + reserved_trbs, GFP_ATOMIC); if (ret < 0) { xhci_err(xhci, "ERR: No room for command on command ring\n"); if (command_must_succeed) @@ -3460,8 +3545,8 @@ static int queue_command(struct xhci_hcd *xhci, u32 field1, u32 field2, "unfailable commands failed.\n"); return ret; } - queue_trb(xhci, xhci->cmd_ring, false, false, false, field1, field2, - field3, field4 | xhci->cmd_ring->cycle_state); + queue_trb(xhci, xhci->cmd_ring, false, field1, field2, field3, + field4 | xhci->cmd_ring->cycle_state); return 0; } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index c939f5fdef9..e1963d4a430 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -224,13 +224,13 @@ static void xhci_free_irq(struct xhci_hcd *xhci) int ret; /* return if using legacy interrupt */ - if (xhci_to_hcd(xhci)->irq >= 0) + if (xhci_to_hcd(xhci)->irq > 0) return; ret = xhci_free_msi(xhci); if (!ret) return; - if (pdev->irq >= 0) + if (pdev->irq > 0) free_irq(pdev->irq, xhci_to_hcd(xhci)); return; @@ -341,7 +341,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) /* unregister the legacy interrupt */ if (hcd->irq) free_irq(hcd->irq, hcd); - hcd->irq = -1; + hcd->irq = 0; ret = xhci_setup_msix(xhci); if (ret) @@ -349,7 +349,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) ret = xhci_setup_msi(xhci); if (!ret) - /* hcd->irq is -1, we have MSI */ + /* hcd->irq is 0, we have MSI */ return 0; if (!pdev->irq) { @@ -729,6 +729,7 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci) ring->enq_seg = ring->deq_seg; ring->enqueue = ring->dequeue; + ring->num_trbs_free = ring->num_segs * (TRBS_PER_SEGMENT - 1) - 1; /* * Ring is now zeroed, so the HW should look for change of ownership * when the cycle bit is set to 1. @@ -3614,26 +3615,38 @@ static int xhci_besl_encoding[16] = {125, 150, 200, 300, 400, 500, 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000}; /* Calculate HIRD/BESL for USB2 PORTPMSC*/ -static int xhci_calculate_hird_besl(int u2del, bool use_besl) +static int xhci_calculate_hird_besl(struct xhci_hcd *xhci, + struct usb_device *udev) { - int hird; + int u2del, besl, besl_host; + int besl_device = 0; + u32 field; + + u2del = HCS_U2_LATENCY(xhci->hcs_params3); + field = le32_to_cpu(udev->bos->ext_cap->bmAttributes); - if (use_besl) { - for (hird = 0; hird < 16; hird++) { - if (xhci_besl_encoding[hird] >= u2del) + if (field & USB_BESL_SUPPORT) { + for (besl_host = 0; besl_host < 16; besl_host++) { + if (xhci_besl_encoding[besl_host] >= u2del) break; } + /* Use baseline BESL value as default */ + if (field & USB_BESL_BASELINE_VALID) + besl_device = USB_GET_BESL_BASELINE(field); + else if (field & USB_BESL_DEEP_VALID) + besl_device = USB_GET_BESL_DEEP(field); } else { if (u2del <= 50) - hird = 0; + besl_host = 0; else - hird = (u2del - 51) / 75 + 1; - - if (hird > 15) - hird = 15; + besl_host = (u2del - 51) / 75 + 1; } - return hird; + besl = besl_host + besl_device; + if (besl > 15) + besl = 15; + + return besl; } static int xhci_usb2_software_lpm_test(struct usb_hcd *hcd, @@ -3646,7 +3659,7 @@ static int xhci_usb2_software_lpm_test(struct usb_hcd *hcd, u32 temp, dev_id; unsigned int port_num; unsigned long flags; - int u2del, hird; + int hird; int ret; if (hcd->speed == HCD_USB3 || !xhci->sw_lpm_support || @@ -3692,12 +3705,7 @@ static int xhci_usb2_software_lpm_test(struct usb_hcd *hcd, * HIRD or BESL shoule be used. See USB2.0 LPM errata. */ pm_addr = port_array[port_num] + 1; - u2del = HCS_U2_LATENCY(xhci->hcs_params3); - if (le32_to_cpu(udev->bos->ext_cap->bmAttributes) & (1 << 2)) - hird = xhci_calculate_hird_besl(u2del, 1); - else - hird = xhci_calculate_hird_besl(u2del, 0); - + hird = xhci_calculate_hird_besl(xhci, udev); temp = PORT_L1DS(udev->slot_id) | PORT_HIRD(hird); xhci_writel(xhci, temp, pm_addr); @@ -3776,7 +3784,7 @@ int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, u32 temp; unsigned int port_num; unsigned long flags; - int u2del, hird; + int hird; if (hcd->speed == HCD_USB3 || !xhci->hw_lpm_support || !udev->lpm_capable) @@ -3799,11 +3807,7 @@ int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, xhci_dbg(xhci, "%s port %d USB2 hardware LPM\n", enable ? "enable" : "disable", port_num); - u2del = HCS_U2_LATENCY(xhci->hcs_params3); - if (le32_to_cpu(udev->bos->ext_cap->bmAttributes) & (1 << 2)) - hird = xhci_calculate_hird_besl(u2del, 1); - else - hird = xhci_calculate_hird_besl(u2del, 0); + hird = xhci_calculate_hird_besl(xhci, udev); if (enable) { temp &= ~PORT_HIRD_MASK; @@ -3964,7 +3968,8 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) int retval; u32 temp; - hcd->self.sg_tablesize = TRBS_PER_SEGMENT - 2; + /* Accept arbitrarily long scatter-gather lists */ + hcd->self.sg_tablesize = ~0; if (usb_hcd_is_primary_hcd(hcd)) { xhci = kzalloc(sizeof(struct xhci_hcd), GFP_KERNEL); @@ -4059,6 +4064,11 @@ static int __init xhci_hcd_init(void) printk(KERN_DEBUG "Problem registering PCI driver."); return retval; } + retval = xhci_register_plat(); + if (retval < 0) { + printk(KERN_DEBUG "Problem registering platform driver."); + goto unreg_pci; + } /* * Check the compiler generated sizes of structures that must be laid * out in specific ways for hardware access. @@ -4078,11 +4088,15 @@ static int __init xhci_hcd_init(void) BUILD_BUG_ON(sizeof(struct xhci_run_regs) != (8+8*128)*32/8); BUILD_BUG_ON(sizeof(struct xhci_doorbell_array) != 256*32/8); return 0; +unreg_pci: + xhci_unregister_pci(); + return retval; } module_init(xhci_hcd_init); static void __exit xhci_hcd_cleanup(void) { xhci_unregister_pci(); + xhci_unregister_plat(); } module_exit(xhci_hcd_cleanup); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index fb99c837914..91074fdab3e 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1223,10 +1223,7 @@ union xhci_trb { /* Allow two commands + a link TRB, along with any reserved command TRBs */ #define MAX_RSVD_CMD_TRBS (TRBS_PER_SEGMENT - 3) #define SEGMENT_SIZE (TRBS_PER_SEGMENT*16) -/* SEGMENT_SHIFT should be log2(SEGMENT_SIZE). - * Change this if you change TRBS_PER_SEGMENT! - */ -#define SEGMENT_SHIFT 10 +#define SEGMENT_SHIFT (__ffs(SEGMENT_SIZE)) /* TRB buffer pointers can't cross 64KB boundaries */ #define TRB_MAX_BUFF_SHIFT 16 #define TRB_MAX_BUFF_SIZE (1 << TRB_MAX_BUFF_SHIFT) @@ -1253,8 +1250,19 @@ struct xhci_dequeue_state { int new_cycle_state; }; +enum xhci_ring_type { + TYPE_CTRL = 0, + TYPE_ISOC, + TYPE_BULK, + TYPE_INTR, + TYPE_STREAM, + TYPE_COMMAND, + TYPE_EVENT, +}; + struct xhci_ring { struct xhci_segment *first_seg; + struct xhci_segment *last_seg; union xhci_trb *enqueue; struct xhci_segment *enq_seg; unsigned int enq_updates; @@ -1269,6 +1277,10 @@ struct xhci_ring { */ u32 cycle_state; unsigned int stream_id; + unsigned int num_segs; + unsigned int num_trbs_free; + unsigned int num_trbs_free_temp; + enum xhci_ring_type type; bool last_td_was_short; }; @@ -1344,6 +1356,7 @@ struct xhci_bus_state { /* ports suspend status arrays - max 31 ports for USB2, 15 for USB3 */ u32 port_c_suspend; u32 suspended_ports; + u32 port_remote_wakeup; unsigned long resume_done[USB_MAXCHILDREN]; }; @@ -1609,6 +1622,8 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, struct usb_device *udev, struct usb_host_endpoint *ep, gfp_t mem_flags); void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring); +int xhci_ring_expansion(struct xhci_hcd *xhci, struct xhci_ring *ring, + unsigned int num_trbs, gfp_t flags); void xhci_free_or_cache_endpoint_ring(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, unsigned int ep_index); @@ -1648,6 +1663,17 @@ static inline int xhci_register_pci(void) { return 0; } static inline void xhci_unregister_pci(void) {} #endif +#if defined(CONFIG_USB_XHCI_PLATFORM) \ + || defined(CONFIG_USB_XHCI_PLATFORM_MODULE) +int xhci_register_plat(void); +void xhci_unregister_plat(void); +#else +static inline int xhci_register_plat(void) +{ return 0; } +static inline void xhci_unregister_plat(void) +{ } +#endif + /* xHCI host controller glue */ typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *); void xhci_quiesce(struct xhci_hcd *xhci); diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index e233d2b7d33..9f3eda91ea4 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -226,6 +226,7 @@ static irqreturn_t am35x_musb_interrupt(int irq, void *hci) struct device *dev = musb->controller; struct musb_hdrc_platform_data *plat = dev->platform_data; struct omap_musb_board_data *data = plat->board_data; + struct usb_otg *otg = musb->xceiv->otg; unsigned long flags; irqreturn_t ret = IRQ_NONE; u32 epintr, usbintr; @@ -289,14 +290,14 @@ static irqreturn_t am35x_musb_interrupt(int irq, void *hci) WARNING("VBUS error workaround (delay coming)\n"); } else if (is_host_enabled(musb) && drvvbus) { MUSB_HST_MODE(musb); - musb->xceiv->default_a = 1; + otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); del_timer(&otg_workaround); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); - musb->xceiv->default_a = 0; + otg->default_a = 0; musb->xceiv->state = OTG_STATE_B_IDLE; portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); } @@ -363,7 +364,7 @@ static int am35x_musb_init(struct musb *musb) return -ENODEV; usb_nop_xceiv_register(); - musb->xceiv = otg_get_transceiver(); + musb->xceiv = usb_get_transceiver(); if (!musb->xceiv) return -ENODEV; @@ -405,7 +406,7 @@ static int am35x_musb_exit(struct musb *musb) if (data->set_phy_power) data->set_phy_power(0); - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); usb_nop_xceiv_unregister(); return 0; @@ -456,7 +457,7 @@ static const struct musb_platform_ops am35x_ops = { static u64 am35x_dmamask = DMA_BIT_MASK(32); -static int __init am35x_probe(struct platform_device *pdev) +static int __devinit am35x_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; @@ -561,7 +562,7 @@ err0: return ret; } -static int __exit am35x_remove(struct platform_device *pdev) +static int __devexit am35x_remove(struct platform_device *pdev) { struct am35x_glue *glue = platform_get_drvdata(pdev); @@ -630,7 +631,8 @@ static struct dev_pm_ops am35x_pm_ops = { #endif static struct platform_driver am35x_driver = { - .remove = __exit_p(am35x_remove), + .probe = am35x_probe, + .remove = __devexit_p(am35x_remove), .driver = { .name = "musb-am35x", .pm = DEV_PM_OPS, @@ -643,9 +645,9 @@ MODULE_LICENSE("GPL v2"); static int __init am35x_init(void) { - return platform_driver_probe(&am35x_driver, am35x_probe); + return platform_driver_register(&am35x_driver); } -subsys_initcall(am35x_init); +module_init(am35x_init); static void __exit am35x_exit(void) { diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index 5e7cfba5b07..a087ed6c3be 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -317,7 +317,7 @@ static void bfin_musb_set_vbus(struct musb *musb, int is_on) musb_readb(musb->mregs, MUSB_DEVCTL)); } -static int bfin_musb_set_power(struct otg_transceiver *x, unsigned mA) +static int bfin_musb_set_power(struct usb_phy *x, unsigned mA) { return 0; } @@ -415,7 +415,7 @@ static int bfin_musb_init(struct musb *musb) gpio_direction_output(musb->config->gpio_vrsel, 0); usb_nop_xceiv_register(); - musb->xceiv = otg_get_transceiver(); + musb->xceiv = usb_get_transceiver(); if (!musb->xceiv) { gpio_free(musb->config->gpio_vrsel); return -ENODEV; @@ -440,7 +440,7 @@ static int bfin_musb_exit(struct musb *musb) { gpio_free(musb->config->gpio_vrsel); - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); usb_nop_xceiv_unregister(); return 0; } @@ -463,7 +463,7 @@ static const struct musb_platform_ops bfin_ops = { static u64 bfin_dmamask = DMA_BIT_MASK(32); -static int __init bfin_probe(struct platform_device *pdev) +static int __devinit bfin_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; @@ -525,7 +525,7 @@ err0: return ret; } -static int __exit bfin_remove(struct platform_device *pdev) +static int __devexit bfin_remove(struct platform_device *pdev) { struct bfin_glue *glue = platform_get_drvdata(pdev); @@ -575,6 +575,7 @@ static struct dev_pm_ops bfin_pm_ops = { #endif static struct platform_driver bfin_driver = { + .probe = bfin_probe, .remove = __exit_p(bfin_remove), .driver = { .name = "musb-blackfin", @@ -588,9 +589,9 @@ MODULE_LICENSE("GPL v2"); static int __init bfin_init(void) { - return platform_driver_probe(&bfin_driver, bfin_probe); + return platform_driver_register(&bfin_driver); } -subsys_initcall(bfin_init); +module_init(bfin_init); static void __exit bfin_exit(void) { diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 2613bfdb09b..8bd9566f3fb 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -294,6 +294,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) { struct musb *musb = hci; void __iomem *reg_base = musb->ctrl_base; + struct usb_otg *otg = musb->xceiv->otg; unsigned long flags; irqreturn_t ret = IRQ_NONE; u32 status; @@ -351,14 +352,14 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) WARNING("VBUS error workaround (delay coming)\n"); } else if (is_host_enabled(musb) && drvvbus) { MUSB_HST_MODE(musb); - musb->xceiv->default_a = 1; + otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); del_timer(&otg_workaround); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); - musb->xceiv->default_a = 0; + otg->default_a = 0; musb->xceiv->state = OTG_STATE_B_IDLE; portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); } @@ -424,7 +425,7 @@ static int da8xx_musb_init(struct musb *musb) goto fail; usb_nop_xceiv_register(); - musb->xceiv = otg_get_transceiver(); + musb->xceiv = usb_get_transceiver(); if (!musb->xceiv) goto fail; @@ -457,7 +458,7 @@ static int da8xx_musb_exit(struct musb *musb) phy_off(); - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); usb_nop_xceiv_unregister(); return 0; @@ -478,7 +479,7 @@ static const struct musb_platform_ops da8xx_ops = { static u64 da8xx_dmamask = DMA_BIT_MASK(32); -static int __init da8xx_probe(struct platform_device *pdev) +static int __devinit da8xx_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; @@ -562,7 +563,7 @@ err0: return ret; } -static int __exit da8xx_remove(struct platform_device *pdev) +static int __devexit da8xx_remove(struct platform_device *pdev) { struct da8xx_glue *glue = platform_get_drvdata(pdev); @@ -576,7 +577,8 @@ static int __exit da8xx_remove(struct platform_device *pdev) } static struct platform_driver da8xx_driver = { - .remove = __exit_p(da8xx_remove), + .probe = da8xx_probe, + .remove = __devexit_p(da8xx_remove), .driver = { .name = "musb-da8xx", }, @@ -588,9 +590,9 @@ MODULE_LICENSE("GPL v2"); static int __init da8xx_init(void) { - return platform_driver_probe(&da8xx_driver, da8xx_probe); + return platform_driver_register(&da8xx_driver); } -subsys_initcall(da8xx_init); +module_init(da8xx_init); static void __exit da8xx_exit(void) { diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 7c569f51212..97ab975fa44 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -265,6 +265,7 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) unsigned long flags; irqreturn_t retval = IRQ_NONE; struct musb *musb = __hci; + struct usb_otg *otg = musb->xceiv->otg; void __iomem *tibase = musb->ctrl_base; struct cppi *cppi; u32 tmp; @@ -331,14 +332,14 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) WARNING("VBUS error workaround (delay coming)\n"); } else if (is_host_enabled(musb) && drvvbus) { MUSB_HST_MODE(musb); - musb->xceiv->default_a = 1; + otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); del_timer(&otg_workaround); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); - musb->xceiv->default_a = 0; + otg->default_a = 0; musb->xceiv->state = OTG_STATE_B_IDLE; portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); } @@ -383,7 +384,7 @@ static int davinci_musb_init(struct musb *musb) u32 revision; usb_nop_xceiv_register(); - musb->xceiv = otg_get_transceiver(); + musb->xceiv = usb_get_transceiver(); if (!musb->xceiv) return -ENODEV; @@ -442,7 +443,7 @@ static int davinci_musb_init(struct musb *musb) return 0; fail: - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); usb_nop_xceiv_unregister(); return -ENODEV; } @@ -464,7 +465,7 @@ static int davinci_musb_exit(struct musb *musb) davinci_musb_source_power(musb, 0 /*off*/, 1); /* delay, to avoid problems with module reload */ - if (is_host_enabled(musb) && musb->xceiv->default_a) { + if (is_host_enabled(musb) && musb->xceiv->otg->default_a) { int maxdelay = 30; u8 devctl, warn = 0; @@ -491,7 +492,7 @@ static int davinci_musb_exit(struct musb *musb) phy_off(); - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); usb_nop_xceiv_unregister(); return 0; @@ -511,7 +512,7 @@ static const struct musb_platform_ops davinci_ops = { static u64 davinci_dmamask = DMA_BIT_MASK(32); -static int __init davinci_probe(struct platform_device *pdev) +static int __devinit davinci_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; @@ -594,7 +595,7 @@ err0: return ret; } -static int __exit davinci_remove(struct platform_device *pdev) +static int __devexit davinci_remove(struct platform_device *pdev) { struct davinci_glue *glue = platform_get_drvdata(pdev); @@ -608,7 +609,8 @@ static int __exit davinci_remove(struct platform_device *pdev) } static struct platform_driver davinci_driver = { - .remove = __exit_p(davinci_remove), + .probe = davinci_probe, + .remove = __devexit_p(davinci_remove), .driver = { .name = "musb-davinci", }, @@ -620,9 +622,9 @@ MODULE_LICENSE("GPL v2"); static int __init davinci_init(void) { - return platform_driver_probe(&davinci_driver, davinci_probe); + return platform_driver_register(&davinci_driver); } -subsys_initcall(davinci_init); +module_init(davinci_init); static void __exit davinci_exit(void) { diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 3d11cf64ebd..0f8b82918a4 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -131,9 +131,9 @@ static inline struct musb *dev_to_musb(struct device *dev) /*-------------------------------------------------------------------------*/ #ifndef CONFIG_BLACKFIN -static int musb_ulpi_read(struct otg_transceiver *otg, u32 offset) +static int musb_ulpi_read(struct usb_phy *phy, u32 offset) { - void __iomem *addr = otg->io_priv; + void __iomem *addr = phy->io_priv; int i = 0; u8 r; u8 power; @@ -165,10 +165,9 @@ static int musb_ulpi_read(struct otg_transceiver *otg, u32 offset) return musb_readb(addr, MUSB_ULPI_REG_DATA); } -static int musb_ulpi_write(struct otg_transceiver *otg, - u32 offset, u32 data) +static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) { - void __iomem *addr = otg->io_priv; + void __iomem *addr = phy->io_priv; int i = 0; u8 r = 0; u8 power; @@ -200,7 +199,7 @@ static int musb_ulpi_write(struct otg_transceiver *otg, #define musb_ulpi_write NULL #endif -static struct otg_io_access_ops musb_ulpi_access = { +static struct usb_phy_io_ops musb_ulpi_access = { .read = musb_ulpi_read, .write = musb_ulpi_write, }; @@ -414,6 +413,7 @@ void musb_hnp_stop(struct musb *musb) static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, u8 devctl, u8 power) { + struct usb_otg *otg = musb->xceiv->otg; irqreturn_t handled = IRQ_NONE; dev_dbg(musb->controller, "<== Power=%02x, DevCtl=%02x, int_usb=0x%x\n", power, devctl, @@ -626,7 +626,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, case OTG_STATE_B_PERIPHERAL: musb_g_suspend(musb); musb->is_active = is_otg_enabled(musb) - && musb->xceiv->gadget->b_hnp_enable; + && otg->gadget->b_hnp_enable; if (musb->is_active) { musb->xceiv->state = OTG_STATE_B_WAIT_ACON; dev_dbg(musb->controller, "HNP: Setting timer for b_ase0_brst\n"); @@ -643,7 +643,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, case OTG_STATE_A_HOST: musb->xceiv->state = OTG_STATE_A_SUSPEND; musb->is_active = is_otg_enabled(musb) - && musb->xceiv->host->b_hnp_enable; + && otg->host->b_hnp_enable; break; case OTG_STATE_B_HOST: /* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */ @@ -1017,12 +1017,12 @@ static void musb_shutdown(struct platform_device *pdev) || defined(CONFIG_USB_MUSB_OMAP2PLUS_MODULE) \ || defined(CONFIG_USB_MUSB_AM35X) \ || defined(CONFIG_USB_MUSB_AM35X_MODULE) -static ushort __initdata fifo_mode = 4; +static ushort __devinitdata fifo_mode = 4; #elif defined(CONFIG_USB_MUSB_UX500) \ || defined(CONFIG_USB_MUSB_UX500_MODULE) -static ushort __initdata fifo_mode = 5; +static ushort __devinitdata fifo_mode = 5; #else -static ushort __initdata fifo_mode = 2; +static ushort __devinitdata fifo_mode = 2; #endif /* "modprobe ... fifo_mode=1" etc */ @@ -1035,7 +1035,7 @@ MODULE_PARM_DESC(fifo_mode, "initial endpoint configuration"); */ /* mode 0 - fits in 2KB */ -static struct musb_fifo_cfg __initdata mode_0_cfg[] = { +static struct musb_fifo_cfg __devinitdata mode_0_cfg[] = { { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, }, { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, }, { .hw_ep_num = 2, .style = FIFO_RXTX, .maxpacket = 512, }, @@ -1044,7 +1044,7 @@ static struct musb_fifo_cfg __initdata mode_0_cfg[] = { }; /* mode 1 - fits in 4KB */ -static struct musb_fifo_cfg __initdata mode_1_cfg[] = { +static struct musb_fifo_cfg __devinitdata mode_1_cfg[] = { { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, .mode = BUF_DOUBLE, }, { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, .mode = BUF_DOUBLE, }, { .hw_ep_num = 2, .style = FIFO_RXTX, .maxpacket = 512, .mode = BUF_DOUBLE, }, @@ -1053,7 +1053,7 @@ static struct musb_fifo_cfg __initdata mode_1_cfg[] = { }; /* mode 2 - fits in 4KB */ -static struct musb_fifo_cfg __initdata mode_2_cfg[] = { +static struct musb_fifo_cfg __devinitdata mode_2_cfg[] = { { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, }, { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, }, { .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, }, @@ -1063,7 +1063,7 @@ static struct musb_fifo_cfg __initdata mode_2_cfg[] = { }; /* mode 3 - fits in 4KB */ -static struct musb_fifo_cfg __initdata mode_3_cfg[] = { +static struct musb_fifo_cfg __devinitdata mode_3_cfg[] = { { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, .mode = BUF_DOUBLE, }, { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, .mode = BUF_DOUBLE, }, { .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, }, @@ -1073,7 +1073,7 @@ static struct musb_fifo_cfg __initdata mode_3_cfg[] = { }; /* mode 4 - fits in 16KB */ -static struct musb_fifo_cfg __initdata mode_4_cfg[] = { +static struct musb_fifo_cfg __devinitdata mode_4_cfg[] = { { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, }, { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, }, { .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, }, @@ -1104,7 +1104,7 @@ static struct musb_fifo_cfg __initdata mode_4_cfg[] = { }; /* mode 5 - fits in 8KB */ -static struct musb_fifo_cfg __initdata mode_5_cfg[] = { +static struct musb_fifo_cfg __devinitdata mode_5_cfg[] = { { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, }, { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, }, { .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, }, @@ -1140,7 +1140,7 @@ static struct musb_fifo_cfg __initdata mode_5_cfg[] = { * * returns negative errno or offset for next fifo. */ -static int __init +static int __devinit fifo_setup(struct musb *musb, struct musb_hw_ep *hw_ep, const struct musb_fifo_cfg *cfg, u16 offset) { @@ -1211,11 +1211,11 @@ fifo_setup(struct musb *musb, struct musb_hw_ep *hw_ep, return offset + (maxpacket << ((c_size & MUSB_FIFOSZ_DPB) ? 1 : 0)); } -static struct musb_fifo_cfg __initdata ep0_cfg = { +static struct musb_fifo_cfg __devinitdata ep0_cfg = { .style = FIFO_RXTX, .maxpacket = 64, }; -static int __init ep_config_from_table(struct musb *musb) +static int __devinit ep_config_from_table(struct musb *musb) { const struct musb_fifo_cfg *cfg; unsigned i, n; @@ -1306,7 +1306,7 @@ done: * ep_config_from_hw - when MUSB_C_DYNFIFO_DEF is false * @param musb the controller */ -static int __init ep_config_from_hw(struct musb *musb) +static int __devinit ep_config_from_hw(struct musb *musb) { u8 epnum = 0; struct musb_hw_ep *hw_ep; @@ -1353,7 +1353,7 @@ enum { MUSB_CONTROLLER_MHDRC, MUSB_CONTROLLER_HDRC, }; /* Initialize MUSB (M)HDRC part of the USB hardware subsystem; * configure endpoints, or take their config from silicon */ -static int __init musb_core_init(u16 musb_type, struct musb *musb) +static int __devinit musb_core_init(u16 musb_type, struct musb *musb) { u8 reg; char *type; @@ -1589,7 +1589,7 @@ irqreturn_t musb_interrupt(struct musb *musb) EXPORT_SYMBOL_GPL(musb_interrupt); #ifndef CONFIG_MUSB_PIO_ONLY -static bool __initdata use_dma = 1; +static bool __devinitdata use_dma = 1; /* "modprobe ... use_dma=0" etc */ module_param(use_dma, bool, 0); @@ -1777,7 +1777,7 @@ static void musb_irq_work(struct work_struct *data) * Init support */ -static struct musb *__init +static struct musb *__devinit allocate_instance(struct device *dev, struct musb_hdrc_config *config, void __iomem *mbase) { @@ -1853,7 +1853,7 @@ static void musb_free(struct musb *musb) * @mregs: virtual address of controller registers, * not yet corrected for platform-specific offsets */ -static int __init +static int __devinit musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) { int status; @@ -1961,11 +1961,11 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) if (is_host_enabled(musb)) { struct usb_hcd *hcd = musb_to_hcd(musb); - otg_set_host(musb->xceiv, &hcd->self); + otg_set_host(musb->xceiv->otg, &hcd->self); if (is_otg_enabled(musb)) hcd->self.otg_port = 1; - musb->xceiv->host = &hcd->self; + musb->xceiv->otg->host = &hcd->self; hcd->power_budget = 2 * (plat->power ? : 250); /* program PHY to use external vBus if required */ @@ -1984,10 +1984,10 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) struct usb_hcd *hcd = musb_to_hcd(musb); MUSB_HST_MODE(musb); - musb->xceiv->default_a = 1; + musb->xceiv->otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_IDLE; - status = usb_add_hcd(musb_to_hcd(musb), -1, 0); + status = usb_add_hcd(musb_to_hcd(musb), 0, 0); hcd->self.uses_pio_for_control = 1; dev_dbg(musb->controller, "%s mode, status %d, devctl %02x %c\n", @@ -1999,7 +1999,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) } else /* peripheral is enabled */ { MUSB_DEV_MODE(musb); - musb->xceiv->default_a = 0; + musb->xceiv->otg->default_a = 0; musb->xceiv->state = OTG_STATE_B_IDLE; status = musb_gadget_setup(musb); @@ -2073,7 +2073,7 @@ fail0: static u64 *orig_dma_mask; #endif -static int __init musb_probe(struct platform_device *pdev) +static int __devinit musb_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; int irq = platform_get_irq_byname(pdev, "mc"); @@ -2102,7 +2102,7 @@ static int __init musb_probe(struct platform_device *pdev) return status; } -static int __exit musb_remove(struct platform_device *pdev) +static int __devexit musb_remove(struct platform_device *pdev) { struct musb *musb = dev_to_musb(&pdev->dev); void __iomem *ctrl_base = musb->ctrl_base; @@ -2112,11 +2112,9 @@ static int __exit musb_remove(struct platform_device *pdev) * - Peripheral mode: peripheral is deactivated (or never-activated) * - OTG mode: both roles are deactivated (or never-activated) */ - pm_runtime_get_sync(musb->controller); musb_exit_debugfs(musb); musb_shutdown(pdev); - pm_runtime_put(musb->controller); musb_free(musb); iounmap(ctrl_base); device_init_wakeup(&pdev->dev, 0); @@ -2364,7 +2362,8 @@ static struct platform_driver musb_driver = { .owner = THIS_MODULE, .pm = MUSB_DEV_PM_OPS, }, - .remove = __exit_p(musb_remove), + .probe = musb_probe, + .remove = __devexit_p(musb_remove), .shutdown = musb_shutdown, }; @@ -2380,13 +2379,9 @@ static int __init musb_init(void) ", " "otg (peripheral+host)", musb_driver_name); - return platform_driver_probe(&musb_driver, musb_probe); + return platform_driver_register(&musb_driver); } - -/* make us init after usbcore and i2c (transceivers, regulators, etc) - * and before usb gadget and host-side drivers start to register - */ -fs_initcall(musb_init); +module_init(musb_init); static void __exit musb_cleanup(void) { diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 3d28fb8a2dc..93de517a32a 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -372,7 +372,7 @@ struct musb { u16 int_rx; u16 int_tx; - struct otg_transceiver *xceiv; + struct usb_phy *xceiv; u8 xceiv_event; int nIrq; diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c index 13d9af9bf92..40a37c91cc1 100644 --- a/drivers/usb/musb/musb_debugfs.c +++ b/drivers/usb/musb/musb_debugfs.c @@ -235,29 +235,29 @@ static const struct file_operations musb_test_mode_fops = { .release = single_release, }; -int __init musb_init_debugfs(struct musb *musb) +int __devinit musb_init_debugfs(struct musb *musb) { struct dentry *root; struct dentry *file; int ret; root = debugfs_create_dir("musb", NULL); - if (IS_ERR(root)) { - ret = PTR_ERR(root); + if (!root) { + ret = -ENOMEM; goto err0; } file = debugfs_create_file("regdump", S_IRUGO, root, musb, &musb_regdump_fops); - if (IS_ERR(file)) { - ret = PTR_ERR(file); + if (!file) { + ret = -ENOMEM; goto err1; } file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, musb, &musb_test_mode_fops); - if (IS_ERR(file)) { - ret = PTR_ERR(file); + if (!file) { + ret = -ENOMEM; goto err1; } diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index ac3d2eec20f..f42c29b11f7 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -574,6 +574,15 @@ void musb_g_tx(struct musb *musb, u8 epnum) if (request->actual == request->length) { musb_g_giveback(musb_ep, request, 0); + /* + * In the giveback function the MUSB lock is + * released and acquired after sometime. During + * this time period the INDEX register could get + * changed by the gadget_queue function especially + * on SMP systems. Reselect the INDEX to be sure + * we are reading/modifying the right registers + */ + musb_ep_select(mbase, epnum); req = musb_ep->desc ? next_request(musb_ep) : NULL; if (!req) { dev_dbg(musb->controller, "%s idle now\n", @@ -983,6 +992,15 @@ void musb_g_rx(struct musb *musb, u8 epnum) } #endif musb_g_giveback(musb_ep, request, 0); + /* + * In the giveback function the MUSB lock is + * released and acquired after sometime. During + * this time period the INDEX register could get + * changed by the gadget_queue function especially + * on SMP systems. Reselect the INDEX to be sure + * we are reading/modifying the right registers + */ + musb_ep_select(mbase, epnum); req = next_request(musb_ep); if (!req) @@ -1624,7 +1642,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget) } spin_unlock_irqrestore(&musb->lock, flags); - otg_start_srp(musb->xceiv); + otg_start_srp(musb->xceiv->otg); spin_lock_irqsave(&musb->lock, flags); /* Block idling for at least 1s */ @@ -1703,7 +1721,7 @@ static int musb_gadget_vbus_draw(struct usb_gadget *gadget, unsigned mA) if (!musb->xceiv->set_power) return -EOPNOTSUPP; - return otg_set_power(musb->xceiv, mA); + return usb_phy_set_power(musb->xceiv, mA); } static int musb_gadget_pullup(struct usb_gadget *gadget, int is_on) @@ -1762,7 +1780,7 @@ static void musb_gadget_release(struct device *dev) } -static void __init +static void __devinit init_peripheral_ep(struct musb *musb, struct musb_ep *ep, u8 epnum, int is_in) { struct musb_hw_ep *hw_ep = musb->endpoints + epnum; @@ -1799,7 +1817,7 @@ init_peripheral_ep(struct musb *musb, struct musb_ep *ep, u8 epnum, int is_in) * Initialize the endpoints exposed to peripheral drivers, with backlinks * to the rest of the driver state. */ -static inline void __init musb_g_init_endpoints(struct musb *musb) +static inline void __devinit musb_g_init_endpoints(struct musb *musb) { u8 epnum; struct musb_hw_ep *hw_ep; @@ -1832,7 +1850,7 @@ static inline void __init musb_g_init_endpoints(struct musb *musb) /* called once during driver setup to initialize and link into * the driver model; memory is zeroed. */ -int __init musb_gadget_setup(struct musb *musb) +int __devinit musb_gadget_setup(struct musb *musb) { int status; @@ -1898,6 +1916,7 @@ static int musb_gadget_start(struct usb_gadget *g, struct usb_gadget_driver *driver) { struct musb *musb = gadget_to_musb(g); + struct usb_otg *otg = musb->xceiv->otg; unsigned long flags; int retval = -EINVAL; @@ -1914,7 +1933,7 @@ static int musb_gadget_start(struct usb_gadget *g, spin_lock_irqsave(&musb->lock, flags); musb->is_active = 1; - otg_set_peripheral(musb->xceiv, &musb->g); + otg_set_peripheral(otg, &musb->g); musb->xceiv->state = OTG_STATE_B_IDLE; /* @@ -1938,15 +1957,15 @@ static int musb_gadget_start(struct usb_gadget *g, * handles power budgeting ... this way also * ensures HdrcStart is indirectly called. */ - retval = usb_add_hcd(musb_to_hcd(musb), -1, 0); + retval = usb_add_hcd(musb_to_hcd(musb), 0, 0); if (retval < 0) { dev_dbg(musb->controller, "add_hcd failed, %d\n", retval); goto err2; } if ((musb->xceiv->last_event == USB_EVENT_ID) - && musb->xceiv->set_vbus) - otg_set_vbus(musb->xceiv, 1); + && otg->set_vbus) + otg_set_vbus(otg, 1); hcd->self.uses_pio_for_control = 1; } @@ -2028,7 +2047,7 @@ static int musb_gadget_stop(struct usb_gadget *g, musb->xceiv->state = OTG_STATE_UNDEFINED; stop_activity(musb, driver); - otg_set_peripheral(musb->xceiv, NULL); + otg_set_peripheral(musb->xceiv->otg, NULL); dev_dbg(musb->controller, "unregistering driver %s\n", driver->function); diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index e9f80adc45a..22ec3e37998 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -47,6 +47,7 @@ static void musb_port_suspend(struct musb *musb, bool do_suspend) { + struct usb_otg *otg = musb->xceiv->otg; u8 power; void __iomem *mbase = musb->mregs; @@ -81,7 +82,7 @@ static void musb_port_suspend(struct musb *musb, bool do_suspend) case OTG_STATE_A_HOST: musb->xceiv->state = OTG_STATE_A_SUSPEND; musb->is_active = is_otg_enabled(musb) - && musb->xceiv->host->b_hnp_enable; + && otg->host->b_hnp_enable; if (musb->is_active) mod_timer(&musb->otg_timer, jiffies + msecs_to_jiffies( @@ -91,7 +92,7 @@ static void musb_port_suspend(struct musb *musb, bool do_suspend) case OTG_STATE_B_HOST: musb->xceiv->state = OTG_STATE_B_WAIT_ACON; musb->is_active = is_otg_enabled(musb) - && musb->xceiv->host->b_hnp_enable; + && otg->host->b_hnp_enable; musb_platform_try_idle(musb, 0); break; default: @@ -179,6 +180,8 @@ static void musb_port_reset(struct musb *musb, bool do_reset) void musb_root_disconnect(struct musb *musb) { + struct usb_otg *otg = musb->xceiv->otg; + musb->port1_status = USB_PORT_STAT_POWER | (USB_PORT_STAT_C_CONNECTION << 16); @@ -188,7 +191,7 @@ void musb_root_disconnect(struct musb *musb) switch (musb->xceiv->state) { case OTG_STATE_A_SUSPEND: if (is_otg_enabled(musb) - && musb->xceiv->host->b_hnp_enable) { + && otg->host->b_hnp_enable) { musb->xceiv->state = OTG_STATE_A_PERIPHERAL; musb->g.is_a_peripheral = 1; break; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index df719eae3b0..2ae0bb30999 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -132,6 +132,7 @@ static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout) static void omap2430_musb_set_vbus(struct musb *musb, int is_on) { + struct usb_otg *otg = musb->xceiv->otg; u8 devctl; unsigned long timeout = jiffies + msecs_to_jiffies(1000); int ret = 1; @@ -163,11 +164,11 @@ static void omap2430_musb_set_vbus(struct musb *musb, int is_on) } } - if (ret && musb->xceiv->set_vbus) - otg_set_vbus(musb->xceiv, 1); + if (ret && otg->set_vbus) + otg_set_vbus(otg, 1); } else { musb->is_active = 1; - musb->xceiv->default_a = 1; + otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; devctl |= MUSB_DEVCTL_SESSION; MUSB_HST_MODE(musb); @@ -179,7 +180,7 @@ static void omap2430_musb_set_vbus(struct musb *musb, int is_on) * jumping right to B_IDLE... */ - musb->xceiv->default_a = 0; + otg->default_a = 0; musb->xceiv->state = OTG_STATE_B_IDLE; devctl &= ~MUSB_DEVCTL_SESSION; @@ -246,7 +247,7 @@ static void musb_otg_notifier_work(struct work_struct *data_notifier_work) if (!is_otg_enabled(musb) || musb->gadget_driver) { pm_runtime_get_sync(musb->controller); - otg_init(musb->xceiv); + usb_phy_init(musb->xceiv); omap2430_musb_set_vbus(musb, 1); } break; @@ -256,7 +257,7 @@ static void musb_otg_notifier_work(struct work_struct *data_notifier_work) if (musb->gadget_driver) pm_runtime_get_sync(musb->controller); - otg_init(musb->xceiv); + usb_phy_init(musb->xceiv); break; case USB_EVENT_NONE: @@ -269,10 +270,10 @@ static void musb_otg_notifier_work(struct work_struct *data_notifier_work) } if (data->interface_type == MUSB_INTERFACE_UTMI) { - if (musb->xceiv->set_vbus) - otg_set_vbus(musb->xceiv, 0); + if (musb->xceiv->otg->set_vbus) + otg_set_vbus(musb->xceiv->otg, 0); } - otg_shutdown(musb->xceiv); + usb_phy_shutdown(musb->xceiv); break; default: dev_dbg(musb->controller, "ID float\n"); @@ -290,7 +291,7 @@ static int omap2430_musb_init(struct musb *musb) * up through ULPI. TWL4030-family PMICs include one, * which needs a driver, drivers aren't always needed. */ - musb->xceiv = otg_get_transceiver(); + musb->xceiv = usb_get_transceiver(); if (!musb->xceiv) { pr_err("HS USB OTG: no transceiver configured\n"); return -ENODEV; @@ -325,7 +326,7 @@ static int omap2430_musb_init(struct musb *musb) musb_readl(musb->mregs, OTG_SIMENABLE)); musb->nb.notifier_call = musb_otg_notifications; - status = otg_register_notifier(musb->xceiv, &musb->nb); + status = usb_register_notifier(musb->xceiv, &musb->nb); if (status) dev_dbg(musb->controller, "notification register failed\n"); @@ -349,7 +350,7 @@ static void omap2430_musb_enable(struct musb *musb) switch (musb->xceiv->last_event) { case USB_EVENT_ID: - otg_init(musb->xceiv); + usb_phy_init(musb->xceiv); if (data->interface_type != MUSB_INTERFACE_UTMI) break; devctl = musb_readb(musb->mregs, MUSB_DEVCTL); @@ -368,7 +369,7 @@ static void omap2430_musb_enable(struct musb *musb) break; case USB_EVENT_VBUS: - otg_init(musb->xceiv); + usb_phy_init(musb->xceiv); break; default: @@ -379,7 +380,7 @@ static void omap2430_musb_enable(struct musb *musb) static void omap2430_musb_disable(struct musb *musb) { if (musb->xceiv->last_event) - otg_shutdown(musb->xceiv); + usb_phy_shutdown(musb->xceiv); } static int omap2430_musb_exit(struct musb *musb) @@ -388,7 +389,7 @@ static int omap2430_musb_exit(struct musb *musb) cancel_work_sync(&musb->otg_notifier_work); omap2430_low_level_exit(musb); - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); return 0; } @@ -408,7 +409,7 @@ static const struct musb_platform_ops omap2430_ops = { static u64 omap2430_dmamask = DMA_BIT_MASK(32); -static int __init omap2430_probe(struct platform_device *pdev) +static int __devinit omap2430_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; @@ -471,7 +472,7 @@ err0: return ret; } -static int __exit omap2430_remove(struct platform_device *pdev) +static int __devexit omap2430_remove(struct platform_device *pdev) { struct omap2430_glue *glue = platform_get_drvdata(pdev); @@ -494,7 +495,7 @@ static int omap2430_runtime_suspend(struct device *dev) OTG_INTERFSEL); omap2430_low_level_exit(musb); - otg_set_suspend(musb->xceiv, 1); + usb_phy_set_suspend(musb->xceiv, 1); return 0; } @@ -508,7 +509,7 @@ static int omap2430_runtime_resume(struct device *dev) musb_writel(musb->mregs, OTG_INTERFSEL, musb->context.otg_interfsel); - otg_set_suspend(musb->xceiv, 0); + usb_phy_set_suspend(musb->xceiv, 0); return 0; } @@ -524,7 +525,8 @@ static struct dev_pm_ops omap2430_pm_ops = { #endif static struct platform_driver omap2430_driver = { - .remove = __exit_p(omap2430_remove), + .probe = omap2430_probe, + .remove = __devexit_p(omap2430_remove), .driver = { .name = "musb-omap2430", .pm = DEV_PM_OPS, @@ -537,9 +539,9 @@ MODULE_LICENSE("GPL v2"); static int __init omap2430_init(void) { - return platform_driver_probe(&omap2430_driver, omap2430_probe); + return platform_driver_register(&omap2430_driver); } -subsys_initcall(omap2430_init); +module_init(omap2430_init); static void __exit omap2430_exit(void) { diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 1f405616e6c..de1355946a8 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -277,7 +277,7 @@ static struct musb *the_musb; * mode), or low power Default-B sessions, something else supplies power. * Caller must take care of locking. */ -static int tusb_draw_power(struct otg_transceiver *x, unsigned mA) +static int tusb_draw_power(struct usb_phy *x, unsigned mA) { struct musb *musb = the_musb; void __iomem *tbase = musb->ctrl_base; @@ -293,7 +293,7 @@ static int tusb_draw_power(struct otg_transceiver *x, unsigned mA) * The actual current usage would be very board-specific. For now, * it's simpler to just use an aggregate (also board-specific). */ - if (x->default_a || mA < (musb->min_power << 1)) + if (x->otg->default_a || mA < (musb->min_power << 1)) mA = 0; reg = musb_readl(tbase, TUSB_PRCM_MNGMT); @@ -510,6 +510,7 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) void __iomem *tbase = musb->ctrl_base; u32 conf, prcm, timer; u8 devctl; + struct usb_otg *otg = musb->xceiv->otg; /* HDRC controls CPEN, but beware current surges during device * connect. They can trigger transient overcurrent conditions @@ -522,7 +523,7 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) if (is_on) { timer = OTG_TIMER_MS(OTG_TIME_A_WAIT_VRISE); - musb->xceiv->default_a = 1; + otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; devctl |= MUSB_DEVCTL_SESSION; @@ -548,11 +549,11 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) musb->xceiv->state = OTG_STATE_A_IDLE; } musb->is_active = 0; - musb->xceiv->default_a = 1; + otg->default_a = 1; MUSB_HST_MODE(musb); } else { musb->is_active = 0; - musb->xceiv->default_a = 0; + otg->default_a = 0; musb->xceiv->state = OTG_STATE_B_IDLE; MUSB_DEV_MODE(musb); } @@ -644,6 +645,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) { u32 otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT); unsigned long idle_timeout = 0; + struct usb_otg *otg = musb->xceiv->otg; /* ID pin */ if ((int_src & TUSB_INT_SRC_ID_STATUS_CHNG)) { @@ -654,7 +656,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) else default_a = is_host_enabled(musb); dev_dbg(musb->controller, "Default-%c\n", default_a ? 'A' : 'B'); - musb->xceiv->default_a = default_a; + otg->default_a = default_a; tusb_musb_set_vbus(musb, default_a); /* Don't allow idling immediately */ @@ -666,7 +668,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) if (int_src & TUSB_INT_SRC_VBUS_SENSE_CHNG) { /* B-dev state machine: no vbus ~= disconnect */ - if ((is_otg_enabled(musb) && !musb->xceiv->default_a) + if ((is_otg_enabled(musb) && !otg->default_a) || !is_host_enabled(musb)) { /* ? musb_root_disconnect(musb); */ musb->port1_status &= @@ -1076,7 +1078,7 @@ static int tusb_musb_init(struct musb *musb) int ret; usb_nop_xceiv_register(); - musb->xceiv = otg_get_transceiver(); + musb->xceiv = usb_get_transceiver(); if (!musb->xceiv) return -ENODEV; @@ -1128,7 +1130,7 @@ done: if (sync) iounmap(sync); - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); usb_nop_xceiv_unregister(); } return ret; @@ -1144,7 +1146,7 @@ static int tusb_musb_exit(struct musb *musb) iounmap(musb->sync_va); - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); usb_nop_xceiv_unregister(); return 0; } @@ -1165,7 +1167,7 @@ static const struct musb_platform_ops tusb_ops = { static u64 tusb_dmamask = DMA_BIT_MASK(32); -static int __init tusb_probe(struct platform_device *pdev) +static int __devinit tusb_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; @@ -1227,7 +1229,7 @@ err0: return ret; } -static int __exit tusb_remove(struct platform_device *pdev) +static int __devexit tusb_remove(struct platform_device *pdev) { struct tusb6010_glue *glue = platform_get_drvdata(pdev); @@ -1239,7 +1241,8 @@ static int __exit tusb_remove(struct platform_device *pdev) } static struct platform_driver tusb_driver = { - .remove = __exit_p(tusb_remove), + .probe = tusb_probe, + .remove = __devexit_p(tusb_remove), .driver = { .name = "musb-tusb", }, @@ -1251,9 +1254,9 @@ MODULE_LICENSE("GPL v2"); static int __init tusb_init(void) { - return platform_driver_probe(&tusb_driver, tusb_probe); + return platform_driver_register(&tusb_driver); } -subsys_initcall(tusb_init); +module_init(tusb_init); static void __exit tusb_exit(void) { diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index f7e04bf34a1..aa09dd417b9 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -37,7 +37,7 @@ struct ux500_glue { static int ux500_musb_init(struct musb *musb) { - musb->xceiv = otg_get_transceiver(); + musb->xceiv = usb_get_transceiver(); if (!musb->xceiv) { pr_err("HS USB OTG: no transceiver configured\n"); return -ENODEV; @@ -48,7 +48,7 @@ static int ux500_musb_init(struct musb *musb) static int ux500_musb_exit(struct musb *musb) { - otg_put_transceiver(musb->xceiv); + usb_put_transceiver(musb->xceiv); return 0; } @@ -58,7 +58,7 @@ static const struct musb_platform_ops ux500_ops = { .exit = ux500_musb_exit, }; -static int __init ux500_probe(struct platform_device *pdev) +static int __devinit ux500_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; @@ -141,7 +141,7 @@ err0: return ret; } -static int __exit ux500_remove(struct platform_device *pdev) +static int __devexit ux500_remove(struct platform_device *pdev) { struct ux500_glue *glue = platform_get_drvdata(pdev); @@ -160,7 +160,7 @@ static int ux500_suspend(struct device *dev) struct ux500_glue *glue = dev_get_drvdata(dev); struct musb *musb = glue_to_musb(glue); - otg_set_suspend(musb->xceiv, 1); + usb_phy_set_suspend(musb->xceiv, 1); clk_disable(glue->clk); return 0; @@ -178,7 +178,7 @@ static int ux500_resume(struct device *dev) return ret; } - otg_set_suspend(musb->xceiv, 0); + usb_phy_set_suspend(musb->xceiv, 0); return 0; } @@ -194,7 +194,8 @@ static const struct dev_pm_ops ux500_pm_ops = { #endif static struct platform_driver ux500_driver = { - .remove = __exit_p(ux500_remove), + .probe = ux500_probe, + .remove = __devexit_p(ux500_remove), .driver = { .name = "musb-ux500", .pm = DEV_PM_OPS, @@ -207,9 +208,9 @@ MODULE_LICENSE("GPL v2"); static int __init ux500_init(void) { - return platform_driver_probe(&ux500_driver, ux500_probe); + return platform_driver_register(&ux500_driver); } -subsys_initcall(ux500_init); +module_init(ux500_init); static void __exit ux500_exit(void) { diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index 735ef4c2339..5c87db06b59 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -23,7 +23,7 @@ config USB_GPIO_VBUS select USB_OTG_UTILS help Provides simple GPIO VBUS sensing for controllers with an - internal transceiver via the otg_transceiver interface, and + internal transceiver via the usb_phy interface, and optionally control of a D+ pullup GPIO as well as a VBUS current limit regulator. diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c index 74fe6e62e0f..a84af677dc5 100644 --- a/drivers/usb/otg/ab8500-usb.c +++ b/drivers/usb/otg/ab8500-usb.c @@ -68,7 +68,7 @@ enum ab8500_usb_link_status { }; struct ab8500_usb { - struct otg_transceiver otg; + struct usb_phy phy; struct device *dev; int irq_num_id_rise; int irq_num_id_fall; @@ -82,9 +82,9 @@ struct ab8500_usb { int rev; }; -static inline struct ab8500_usb *xceiv_to_ab(struct otg_transceiver *x) +static inline struct ab8500_usb *phy_to_ab(struct usb_phy *x) { - return container_of(x, struct ab8500_usb, otg); + return container_of(x, struct ab8500_usb, phy); } static void ab8500_usb_wd_workaround(struct ab8500_usb *ab) @@ -153,7 +153,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab) u8 reg; enum ab8500_usb_link_status lsts; void *v = NULL; - enum usb_xceiv_events event; + enum usb_phy_events event; abx500_get_register_interruptible(ab->dev, AB8500_USB, @@ -169,8 +169,8 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab) /* TODO: Disable regulators. */ ab8500_usb_host_phy_dis(ab); ab8500_usb_peri_phy_dis(ab); - ab->otg.state = OTG_STATE_B_IDLE; - ab->otg.default_a = false; + ab->phy.state = OTG_STATE_B_IDLE; + ab->phy.otg->default_a = false; ab->vbus_draw = 0; event = USB_EVENT_NONE; break; @@ -181,22 +181,22 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab) case USB_LINK_HOST_CHG_NM: case USB_LINK_HOST_CHG_HS: case USB_LINK_HOST_CHG_HS_CHIRP: - if (ab->otg.gadget) { + if (ab->phy.otg->gadget) { /* TODO: Enable regulators. */ ab8500_usb_peri_phy_en(ab); - v = ab->otg.gadget; + v = ab->phy.otg->gadget; } event = USB_EVENT_VBUS; break; case USB_LINK_HM_IDGND: - if (ab->otg.host) { + if (ab->phy.otg->host) { /* TODO: Enable regulators. */ ab8500_usb_host_phy_en(ab); - v = ab->otg.host; + v = ab->phy.otg->host; } - ab->otg.state = OTG_STATE_A_IDLE; - ab->otg.default_a = true; + ab->phy.state = OTG_STATE_A_IDLE; + ab->phy.otg->default_a = true; event = USB_EVENT_ID; break; @@ -212,7 +212,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab) break; } - atomic_notifier_call_chain(&ab->otg.notifier, event, v); + atomic_notifier_call_chain(&ab->phy.notifier, event, v); return 0; } @@ -262,27 +262,27 @@ static void ab8500_usb_phy_disable_work(struct work_struct *work) struct ab8500_usb *ab = container_of(work, struct ab8500_usb, phy_dis_work); - if (!ab->otg.host) + if (!ab->phy.otg->host) ab8500_usb_host_phy_dis(ab); - if (!ab->otg.gadget) + if (!ab->phy.otg->gadget) ab8500_usb_peri_phy_dis(ab); } -static int ab8500_usb_set_power(struct otg_transceiver *otg, unsigned mA) +static int ab8500_usb_set_power(struct usb_phy *phy, unsigned mA) { struct ab8500_usb *ab; - if (!otg) + if (!phy) return -ENODEV; - ab = xceiv_to_ab(otg); + ab = phy_to_ab(phy); ab->vbus_draw = mA; if (mA) - atomic_notifier_call_chain(&ab->otg.notifier, - USB_EVENT_ENUMERATED, ab->otg.gadget); + atomic_notifier_call_chain(&ab->phy.notifier, + USB_EVENT_ENUMERATED, ab->phy.otg->gadget); return 0; } @@ -290,21 +290,21 @@ static int ab8500_usb_set_power(struct otg_transceiver *otg, unsigned mA) * ab->vbus_draw. */ -static int ab8500_usb_set_suspend(struct otg_transceiver *x, int suspend) +static int ab8500_usb_set_suspend(struct usb_phy *x, int suspend) { /* TODO */ return 0; } -static int ab8500_usb_set_peripheral(struct otg_transceiver *otg, - struct usb_gadget *gadget) +static int ab8500_usb_set_peripheral(struct usb_otg *otg, + struct usb_gadget *gadget) { struct ab8500_usb *ab; if (!otg) return -ENODEV; - ab = xceiv_to_ab(otg); + ab = phy_to_ab(otg->phy); /* Some drivers call this function in atomic context. * Do not update ab8500 registers directly till this @@ -313,11 +313,11 @@ static int ab8500_usb_set_peripheral(struct otg_transceiver *otg, if (!gadget) { /* TODO: Disable regulators. */ - ab->otg.gadget = NULL; + otg->gadget = NULL; schedule_work(&ab->phy_dis_work); } else { - ab->otg.gadget = gadget; - ab->otg.state = OTG_STATE_B_IDLE; + otg->gadget = gadget; + otg->phy->state = OTG_STATE_B_IDLE; /* Phy will not be enabled if cable is already * plugged-in. Schedule to enable phy. @@ -329,15 +329,14 @@ static int ab8500_usb_set_peripheral(struct otg_transceiver *otg, return 0; } -static int ab8500_usb_set_host(struct otg_transceiver *otg, - struct usb_bus *host) +static int ab8500_usb_set_host(struct usb_otg *otg, struct usb_bus *host) { struct ab8500_usb *ab; if (!otg) return -ENODEV; - ab = xceiv_to_ab(otg); + ab = phy_to_ab(otg->phy); /* Some drivers call this function in atomic context. * Do not update ab8500 registers directly till this @@ -346,10 +345,10 @@ static int ab8500_usb_set_host(struct otg_transceiver *otg, if (!host) { /* TODO: Disable regulators. */ - ab->otg.host = NULL; + otg->host = NULL; schedule_work(&ab->phy_dis_work); } else { - ab->otg.host = host; + otg->host = host; /* Phy will not be enabled if cable is already * plugged-in. Schedule to enable phy. * Use same delay to avoid any race condition. @@ -472,6 +471,7 @@ static int ab8500_usb_v2_res_setup(struct platform_device *pdev, static int __devinit ab8500_usb_probe(struct platform_device *pdev) { struct ab8500_usb *ab; + struct usb_otg *otg; int err; int rev; @@ -488,19 +488,28 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev) if (!ab) return -ENOMEM; + otg = kzalloc(sizeof *otg, GFP_KERNEL); + if (!otg) { + kfree(ab); + return -ENOMEM; + } + ab->dev = &pdev->dev; ab->rev = rev; - ab->otg.dev = ab->dev; - ab->otg.label = "ab8500"; - ab->otg.state = OTG_STATE_UNDEFINED; - ab->otg.set_host = ab8500_usb_set_host; - ab->otg.set_peripheral = ab8500_usb_set_peripheral; - ab->otg.set_suspend = ab8500_usb_set_suspend; - ab->otg.set_power = ab8500_usb_set_power; + ab->phy.dev = ab->dev; + ab->phy.otg = otg; + ab->phy.label = "ab8500"; + ab->phy.set_suspend = ab8500_usb_set_suspend; + ab->phy.set_power = ab8500_usb_set_power; + ab->phy.state = OTG_STATE_UNDEFINED; + + otg->phy = &ab->phy; + otg->set_host = ab8500_usb_set_host; + otg->set_peripheral = ab8500_usb_set_peripheral; platform_set_drvdata(pdev, ab); - ATOMIC_INIT_NOTIFIER_HEAD(&ab->otg.notifier); + ATOMIC_INIT_NOTIFIER_HEAD(&ab->phy.notifier); /* v1: Wait for link status to become stable. * all: Updates form set_host and set_peripheral as they are atomic. @@ -520,7 +529,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev) if (err < 0) goto fail0; - err = otg_set_transceiver(&ab->otg); + err = usb_set_transceiver(&ab->phy); if (err) { dev_err(&pdev->dev, "Can't register transceiver\n"); goto fail1; @@ -532,6 +541,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev) fail1: ab8500_usb_irq_free(ab); fail0: + kfree(otg); kfree(ab); return err; } @@ -546,13 +556,14 @@ static int __devexit ab8500_usb_remove(struct platform_device *pdev) cancel_work_sync(&ab->phy_dis_work); - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); ab8500_usb_host_phy_dis(ab); ab8500_usb_peri_phy_dis(ab); platform_set_drvdata(pdev, NULL); + kfree(ab->phy.otg); kfree(ab); return 0; diff --git a/drivers/usb/otg/fsl_otg.c b/drivers/usb/otg/fsl_otg.c index a190850d2d3..be4a63e8302 100644 --- a/drivers/usb/otg/fsl_otg.c +++ b/drivers/usb/otg/fsl_otg.c @@ -275,7 +275,7 @@ void b_srp_end(unsigned long foo) fsl_otg_dischrg_vbus(0); srp_wait_done = 1; - if ((fsl_otg_dev->otg.state == OTG_STATE_B_SRP_INIT) && + if ((fsl_otg_dev->phy.state == OTG_STATE_B_SRP_INIT) && fsl_otg_dev->fsm.b_sess_vld) fsl_otg_dev->fsm.b_srp_done = 1; } @@ -288,7 +288,7 @@ void b_srp_end(unsigned long foo) void a_wait_enum(unsigned long foo) { VDBG("a_wait_enum timeout\n"); - if (!fsl_otg_dev->otg.host->b_hnp_enable) + if (!fsl_otg_dev->phy.otg->host->b_hnp_enable) fsl_otg_add_timer(a_wait_enum_tmr); else otg_statemachine(&fsl_otg_dev->fsm); @@ -452,14 +452,14 @@ void otg_reset_controller(void) /* Call suspend/resume routines in host driver */ int fsl_otg_start_host(struct otg_fsm *fsm, int on) { - struct otg_transceiver *xceiv = fsm->transceiver; + struct usb_otg *otg = fsm->otg; struct device *dev; - struct fsl_otg *otg_dev = container_of(xceiv, struct fsl_otg, otg); + struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy); u32 retval = 0; - if (!xceiv->host) + if (!otg->host) return -ENODEV; - dev = xceiv->host->controller; + dev = otg->host->controller; /* * Update a_vbus_vld state as a_vbus_vld int is disabled @@ -518,14 +518,14 @@ end: */ int fsl_otg_start_gadget(struct otg_fsm *fsm, int on) { - struct otg_transceiver *xceiv = fsm->transceiver; + struct usb_otg *otg = fsm->otg; struct device *dev; - if (!xceiv->gadget || !xceiv->gadget->dev.parent) + if (!otg->gadget || !otg->gadget->dev.parent) return -ENODEV; VDBG("gadget %s\n", on ? "on" : "off"); - dev = xceiv->gadget->dev.parent; + dev = otg->gadget->dev.parent; if (on) { if (dev->driver->resume) @@ -542,14 +542,14 @@ int fsl_otg_start_gadget(struct otg_fsm *fsm, int on) * Called by initialization code of host driver. Register host controller * to the OTG. Suspend host for OTG role detection. */ -static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host) +static int fsl_otg_set_host(struct usb_otg *otg, struct usb_bus *host) { - struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg); + struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy); - if (!otg_p || otg_dev != fsl_otg_dev) + if (!otg || otg_dev != fsl_otg_dev) return -ENODEV; - otg_p->host = host; + otg->host = host; otg_dev->fsm.a_bus_drop = 0; otg_dev->fsm.a_bus_req = 1; @@ -557,8 +557,8 @@ static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host) if (host) { VDBG("host off......\n"); - otg_p->host->otg_port = fsl_otg_initdata.otg_port; - otg_p->host->is_b_host = otg_dev->fsm.id; + otg->host->otg_port = fsl_otg_initdata.otg_port; + otg->host->is_b_host = otg_dev->fsm.id; /* * must leave time for khubd to finish its thing * before yanking the host driver out from under it, @@ -574,7 +574,7 @@ static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host) /* Mini-A cable connected */ struct otg_fsm *fsm = &otg_dev->fsm; - otg_p->state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; fsm->protocol = PROTO_UNDEF; } } @@ -587,29 +587,29 @@ static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host) } /* Called by initialization code of udc. Register udc to OTG. */ -static int fsl_otg_set_peripheral(struct otg_transceiver *otg_p, - struct usb_gadget *gadget) +static int fsl_otg_set_peripheral(struct usb_otg *otg, + struct usb_gadget *gadget) { - struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg); + struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy); VDBG("otg_dev 0x%x\n", (int)otg_dev); VDBG("fsl_otg_dev 0x%x\n", (int)fsl_otg_dev); - if (!otg_p || otg_dev != fsl_otg_dev) + if (!otg || otg_dev != fsl_otg_dev) return -ENODEV; if (!gadget) { - if (!otg_dev->otg.default_a) - otg_p->gadget->ops->vbus_draw(otg_p->gadget, 0); - usb_gadget_vbus_disconnect(otg_dev->otg.gadget); - otg_dev->otg.gadget = 0; + if (!otg->default_a) + otg->gadget->ops->vbus_draw(otg->gadget, 0); + usb_gadget_vbus_disconnect(otg->gadget); + otg->gadget = 0; otg_dev->fsm.b_bus_req = 0; otg_statemachine(&otg_dev->fsm); return 0; } - otg_p->gadget = gadget; - otg_p->gadget->is_a_peripheral = !otg_dev->fsm.id; + otg->gadget = gadget; + otg->gadget->is_a_peripheral = !otg_dev->fsm.id; otg_dev->fsm.b_bus_req = 1; @@ -625,11 +625,11 @@ static int fsl_otg_set_peripheral(struct otg_transceiver *otg_p, } /* Set OTG port power, only for B-device */ -static int fsl_otg_set_power(struct otg_transceiver *otg_p, unsigned mA) +static int fsl_otg_set_power(struct usb_phy *phy, unsigned mA) { if (!fsl_otg_dev) return -ENODEV; - if (otg_p->state == OTG_STATE_B_PERIPHERAL) + if (phy->state == OTG_STATE_B_PERIPHERAL) pr_info("FSL OTG: Draw %d mA\n", mA); return 0; @@ -658,12 +658,12 @@ static void fsl_otg_event(struct work_struct *work) } /* B-device start SRP */ -static int fsl_otg_start_srp(struct otg_transceiver *otg_p) +static int fsl_otg_start_srp(struct usb_otg *otg) { - struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg); + struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy); - if (!otg_p || otg_dev != fsl_otg_dev - || otg_p->state != OTG_STATE_B_IDLE) + if (!otg || otg_dev != fsl_otg_dev + || otg->phy->state != OTG_STATE_B_IDLE) return -ENODEV; otg_dev->fsm.b_bus_req = 1; @@ -673,11 +673,11 @@ static int fsl_otg_start_srp(struct otg_transceiver *otg_p) } /* A_host suspend will call this function to start hnp */ -static int fsl_otg_start_hnp(struct otg_transceiver *otg_p) +static int fsl_otg_start_hnp(struct usb_otg *otg) { - struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg); + struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy); - if (!otg_p || otg_dev != fsl_otg_dev) + if (!otg || otg_dev != fsl_otg_dev) return -ENODEV; DBG("start_hnp...n"); @@ -698,7 +698,7 @@ static int fsl_otg_start_hnp(struct otg_transceiver *otg_p) irqreturn_t fsl_otg_isr(int irq, void *dev_id) { struct otg_fsm *fsm = &((struct fsl_otg *)dev_id)->fsm; - struct otg_transceiver *otg = &((struct fsl_otg *)dev_id)->otg; + struct usb_otg *otg = ((struct fsl_otg *)dev_id)->phy.otg; u32 otg_int_src, otg_sc; otg_sc = fsl_readl(&usb_dr_regs->otgsc); @@ -774,6 +774,12 @@ static int fsl_otg_conf(struct platform_device *pdev) if (!fsl_otg_tc) return -ENOMEM; + fsl_otg_tc->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL); + if (!fsl_otg_tc->phy.otg) { + kfree(fsl_otg_tc); + return -ENOMEM; + } + INIT_DELAYED_WORK(&fsl_otg_tc->otg_event, fsl_otg_event); INIT_LIST_HEAD(&active_timers); @@ -788,17 +794,19 @@ static int fsl_otg_conf(struct platform_device *pdev) fsl_otg_tc->fsm.ops = &fsl_otg_ops; /* initialize the otg structure */ - fsl_otg_tc->otg.label = DRIVER_DESC; - fsl_otg_tc->otg.set_host = fsl_otg_set_host; - fsl_otg_tc->otg.set_peripheral = fsl_otg_set_peripheral; - fsl_otg_tc->otg.set_power = fsl_otg_set_power; - fsl_otg_tc->otg.start_hnp = fsl_otg_start_hnp; - fsl_otg_tc->otg.start_srp = fsl_otg_start_srp; + fsl_otg_tc->phy.label = DRIVER_DESC; + fsl_otg_tc->phy.set_power = fsl_otg_set_power; + + fsl_otg_tc->phy.otg->phy = &fsl_otg_tc->phy; + fsl_otg_tc->phy.otg->set_host = fsl_otg_set_host; + fsl_otg_tc->phy.otg->set_peripheral = fsl_otg_set_peripheral; + fsl_otg_tc->phy.otg->start_hnp = fsl_otg_start_hnp; + fsl_otg_tc->phy.otg->start_srp = fsl_otg_start_srp; fsl_otg_dev = fsl_otg_tc; /* Store the otg transceiver */ - status = otg_set_transceiver(&fsl_otg_tc->otg); + status = usb_set_transceiver(&fsl_otg_tc->phy); if (status) { pr_warn(FSL_OTG_NAME ": unable to register OTG transceiver.\n"); goto err; @@ -807,6 +815,7 @@ static int fsl_otg_conf(struct platform_device *pdev) return 0; err: fsl_otg_uninit_timers(); + kfree(fsl_otg_tc->phy.otg); kfree(fsl_otg_tc); return status; } @@ -815,19 +824,19 @@ err: int usb_otg_start(struct platform_device *pdev) { struct fsl_otg *p_otg; - struct otg_transceiver *otg_trans = otg_get_transceiver(); + struct usb_phy *otg_trans = usb_get_transceiver(); struct otg_fsm *fsm; int status; struct resource *res; u32 temp; struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data; - p_otg = container_of(otg_trans, struct fsl_otg, otg); + p_otg = container_of(otg_trans, struct fsl_otg, phy); fsm = &p_otg->fsm; /* Initialize the state machine structure with default values */ SET_OTG_STATE(otg_trans, OTG_STATE_UNDEFINED); - fsm->transceiver = &p_otg->otg; + fsm->otg = p_otg->phy.otg; /* We don't require predefined MEM/IRQ resource index */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -857,9 +866,10 @@ int usb_otg_start(struct platform_device *pdev) status = request_irq(p_otg->irq, fsl_otg_isr, IRQF_SHARED, driver_name, p_otg); if (status) { - dev_dbg(p_otg->otg.dev, "can't get IRQ %d, error %d\n", + dev_dbg(p_otg->phy.dev, "can't get IRQ %d, error %d\n", p_otg->irq, status); iounmap(p_otg->dr_mem_map); + kfree(p_otg->phy.otg); kfree(p_otg); return status; } @@ -919,10 +929,10 @@ int usb_otg_start(struct platform_device *pdev) * Also: record initial state of ID pin */ if (fsl_readl(&p_otg->dr_mem_map->otgsc) & OTGSC_STS_USB_ID) { - p_otg->otg.state = OTG_STATE_UNDEFINED; + p_otg->phy.state = OTG_STATE_UNDEFINED; p_otg->fsm.id = 1; } else { - p_otg->otg.state = OTG_STATE_A_IDLE; + p_otg->phy.state = OTG_STATE_A_IDLE; p_otg->fsm.id = 0; } @@ -978,7 +988,7 @@ static int show_fsl_usb2_otg_state(struct device *dev, /* State */ t = scnprintf(next, size, "OTG state: %s\n\n", - otg_state_string(fsl_otg_dev->otg.state)); + otg_state_string(fsl_otg_dev->phy.state)); size -= t; next += t; @@ -1124,12 +1134,13 @@ static int __devexit fsl_otg_remove(struct platform_device *pdev) { struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data; - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); free_irq(fsl_otg_dev->irq, fsl_otg_dev); iounmap((void *)usb_dr_regs); fsl_otg_uninit_timers(); + kfree(fsl_otg_dev->phy.otg); kfree(fsl_otg_dev); device_remove_file(&pdev->dev, &dev_attr_fsl_usb2_otg_state); diff --git a/drivers/usb/otg/fsl_otg.h b/drivers/usb/otg/fsl_otg.h index 3f8ef731aac..ca266280895 100644 --- a/drivers/usb/otg/fsl_otg.h +++ b/drivers/usb/otg/fsl_otg.h @@ -369,7 +369,7 @@ inline struct fsl_otg_timer *otg_timer_initializer } struct fsl_otg { - struct otg_transceiver otg; + struct usb_phy phy; struct otg_fsm fsm; struct usb_dr_mmap *dr_mem_map; struct delayed_work otg_event; diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/otg/gpio_vbus.c index fb644c107de..3ece43a2e4c 100644 --- a/drivers/usb/otg/gpio_vbus.c +++ b/drivers/usb/otg/gpio_vbus.c @@ -32,7 +32,7 @@ * Needs to be loaded before the UDC driver that will use it. */ struct gpio_vbus_data { - struct otg_transceiver otg; + struct usb_phy phy; struct device *dev; struct regulator *vbus_draw; int vbus_draw_enabled; @@ -98,7 +98,7 @@ static void gpio_vbus_work(struct work_struct *work) struct gpio_vbus_mach_info *pdata = gpio_vbus->dev->platform_data; int gpio; - if (!gpio_vbus->otg.gadget) + if (!gpio_vbus->phy.otg->gadget) return; /* Peripheral controllers which manage the pullup themselves won't have @@ -108,8 +108,8 @@ static void gpio_vbus_work(struct work_struct *work) */ gpio = pdata->gpio_pullup; if (is_vbus_powered(pdata)) { - gpio_vbus->otg.state = OTG_STATE_B_PERIPHERAL; - usb_gadget_vbus_connect(gpio_vbus->otg.gadget); + gpio_vbus->phy.state = OTG_STATE_B_PERIPHERAL; + usb_gadget_vbus_connect(gpio_vbus->phy.otg->gadget); /* drawing a "unit load" is *always* OK, except for OTG */ set_vbus_draw(gpio_vbus, 100); @@ -124,8 +124,8 @@ static void gpio_vbus_work(struct work_struct *work) set_vbus_draw(gpio_vbus, 0); - usb_gadget_vbus_disconnect(gpio_vbus->otg.gadget); - gpio_vbus->otg.state = OTG_STATE_B_IDLE; + usb_gadget_vbus_disconnect(gpio_vbus->phy.otg->gadget); + gpio_vbus->phy.state = OTG_STATE_B_IDLE; } } @@ -135,12 +135,13 @@ static irqreturn_t gpio_vbus_irq(int irq, void *data) struct platform_device *pdev = data; struct gpio_vbus_mach_info *pdata = pdev->dev.platform_data; struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev); + struct usb_otg *otg = gpio_vbus->phy.otg; dev_dbg(&pdev->dev, "VBUS %s (gadget: %s)\n", is_vbus_powered(pdata) ? "supplied" : "inactive", - gpio_vbus->otg.gadget ? gpio_vbus->otg.gadget->name : "none"); + otg->gadget ? otg->gadget->name : "none"); - if (gpio_vbus->otg.gadget) + if (otg->gadget) schedule_work(&gpio_vbus->work); return IRQ_HANDLED; @@ -149,15 +150,15 @@ static irqreturn_t gpio_vbus_irq(int irq, void *data) /* OTG transceiver interface */ /* bind/unbind the peripheral controller */ -static int gpio_vbus_set_peripheral(struct otg_transceiver *otg, - struct usb_gadget *gadget) +static int gpio_vbus_set_peripheral(struct usb_otg *otg, + struct usb_gadget *gadget) { struct gpio_vbus_data *gpio_vbus; struct gpio_vbus_mach_info *pdata; struct platform_device *pdev; int gpio, irq; - gpio_vbus = container_of(otg, struct gpio_vbus_data, otg); + gpio_vbus = container_of(otg->phy, struct gpio_vbus_data, phy); pdev = to_platform_device(gpio_vbus->dev); pdata = gpio_vbus->dev->platform_data; irq = gpio_to_irq(pdata->gpio_vbus); @@ -174,7 +175,7 @@ static int gpio_vbus_set_peripheral(struct otg_transceiver *otg, set_vbus_draw(gpio_vbus, 0); usb_gadget_vbus_disconnect(otg->gadget); - otg->state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; otg->gadget = NULL; return 0; @@ -189,23 +190,23 @@ static int gpio_vbus_set_peripheral(struct otg_transceiver *otg, } /* effective for B devices, ignored for A-peripheral */ -static int gpio_vbus_set_power(struct otg_transceiver *otg, unsigned mA) +static int gpio_vbus_set_power(struct usb_phy *phy, unsigned mA) { struct gpio_vbus_data *gpio_vbus; - gpio_vbus = container_of(otg, struct gpio_vbus_data, otg); + gpio_vbus = container_of(phy, struct gpio_vbus_data, phy); - if (otg->state == OTG_STATE_B_PERIPHERAL) + if (phy->state == OTG_STATE_B_PERIPHERAL) set_vbus_draw(gpio_vbus, mA); return 0; } /* for non-OTG B devices: set/clear transceiver suspend mode */ -static int gpio_vbus_set_suspend(struct otg_transceiver *otg, int suspend) +static int gpio_vbus_set_suspend(struct usb_phy *phy, int suspend) { struct gpio_vbus_data *gpio_vbus; - gpio_vbus = container_of(otg, struct gpio_vbus_data, otg); + gpio_vbus = container_of(phy, struct gpio_vbus_data, phy); /* draw max 0 mA from vbus in suspend mode; or the previously * recorded amount of current if not suspended @@ -213,7 +214,7 @@ static int gpio_vbus_set_suspend(struct otg_transceiver *otg, int suspend) * NOTE: high powered configs (mA > 100) may draw up to 2.5 mA * if they're wake-enabled ... we don't handle that yet. */ - return gpio_vbus_set_power(otg, suspend ? 0 : gpio_vbus->mA); + return gpio_vbus_set_power(phy, suspend ? 0 : gpio_vbus->mA); } /* platform driver interface */ @@ -233,13 +234,21 @@ static int __init gpio_vbus_probe(struct platform_device *pdev) if (!gpio_vbus) return -ENOMEM; + gpio_vbus->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL); + if (!gpio_vbus->phy.otg) { + kfree(gpio_vbus); + return -ENOMEM; + } + platform_set_drvdata(pdev, gpio_vbus); gpio_vbus->dev = &pdev->dev; - gpio_vbus->otg.label = "gpio-vbus"; - gpio_vbus->otg.state = OTG_STATE_UNDEFINED; - gpio_vbus->otg.set_peripheral = gpio_vbus_set_peripheral; - gpio_vbus->otg.set_power = gpio_vbus_set_power; - gpio_vbus->otg.set_suspend = gpio_vbus_set_suspend; + gpio_vbus->phy.label = "gpio-vbus"; + gpio_vbus->phy.set_power = gpio_vbus_set_power; + gpio_vbus->phy.set_suspend = gpio_vbus_set_suspend; + gpio_vbus->phy.state = OTG_STATE_UNDEFINED; + + gpio_vbus->phy.otg->phy = &gpio_vbus->phy; + gpio_vbus->phy.otg->set_peripheral = gpio_vbus_set_peripheral; err = gpio_request(gpio, "vbus_detect"); if (err) { @@ -288,7 +297,7 @@ static int __init gpio_vbus_probe(struct platform_device *pdev) } /* only active when a gadget is registered */ - err = otg_set_transceiver(&gpio_vbus->otg); + err = usb_set_transceiver(&gpio_vbus->phy); if (err) { dev_err(&pdev->dev, "can't register transceiver, err: %d\n", err); @@ -304,6 +313,7 @@ err_irq: gpio_free(pdata->gpio_vbus); err_gpio: platform_set_drvdata(pdev, NULL); + kfree(gpio_vbus->phy.otg); kfree(gpio_vbus); return err; } @@ -316,13 +326,14 @@ static int __exit gpio_vbus_remove(struct platform_device *pdev) regulator_put(gpio_vbus->vbus_draw); - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); free_irq(gpio_to_irq(gpio), &pdev->dev); if (gpio_is_valid(pdata->gpio_pullup)) gpio_free(pdata->gpio_pullup); gpio_free(gpio); platform_set_drvdata(pdev, NULL); + kfree(gpio_vbus->phy.otg); kfree(gpio_vbus); return 0; diff --git a/drivers/usb/otg/isp1301_omap.c b/drivers/usb/otg/isp1301_omap.c index 8c86787c2f0..70cf5d7bca4 100644 --- a/drivers/usb/otg/isp1301_omap.c +++ b/drivers/usb/otg/isp1301_omap.c @@ -52,7 +52,7 @@ MODULE_DESCRIPTION("ISP1301 USB OTG Transceiver Driver"); MODULE_LICENSE("GPL"); struct isp1301 { - struct otg_transceiver otg; + struct usb_phy phy; struct i2c_client *client; void (*i2c_release)(struct device *dev); @@ -236,7 +236,7 @@ isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits) static inline const char *state_name(struct isp1301 *isp) { - return otg_state_string(isp->otg.state); + return otg_state_string(isp->phy.state); } /*-------------------------------------------------------------------------*/ @@ -251,7 +251,7 @@ static inline const char *state_name(struct isp1301 *isp) static void power_down(struct isp1301 *isp) { - isp->otg.state = OTG_STATE_UNDEFINED; + isp->phy.state = OTG_STATE_UNDEFINED; // isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN); isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND); @@ -280,13 +280,13 @@ static int host_suspend(struct isp1301 *isp) #else struct device *dev; - if (!isp->otg.host) + if (!isp->phy.otg->host) return -ENODEV; /* Currently ASSUMES only the OTG port matters; * other ports could be active... */ - dev = isp->otg.host->controller; + dev = isp->phy.otg->host->controller; return dev->driver->suspend(dev, 3, 0); #endif } @@ -298,20 +298,20 @@ static int host_resume(struct isp1301 *isp) #else struct device *dev; - if (!isp->otg.host) + if (!isp->phy.otg->host) return -ENODEV; - dev = isp->otg.host->controller; + dev = isp->phy.otg->host->controller; return dev->driver->resume(dev, 0); #endif } static int gadget_suspend(struct isp1301 *isp) { - isp->otg.gadget->b_hnp_enable = 0; - isp->otg.gadget->a_hnp_support = 0; - isp->otg.gadget->a_alt_hnp_support = 0; - return usb_gadget_vbus_disconnect(isp->otg.gadget); + isp->phy.otg->gadget->b_hnp_enable = 0; + isp->phy.otg->gadget->a_hnp_support = 0; + isp->phy.otg->gadget->a_alt_hnp_support = 0; + return usb_gadget_vbus_disconnect(isp->phy.otg->gadget); } /*-------------------------------------------------------------------------*/ @@ -341,19 +341,19 @@ static void a_idle(struct isp1301 *isp, const char *tag) { u32 l; - if (isp->otg.state == OTG_STATE_A_IDLE) + if (isp->phy.state == OTG_STATE_A_IDLE) return; - isp->otg.default_a = 1; - if (isp->otg.host) { - isp->otg.host->is_b_host = 0; + isp->phy.otg->default_a = 1; + if (isp->phy.otg->host) { + isp->phy.otg->host->is_b_host = 0; host_suspend(isp); } - if (isp->otg.gadget) { - isp->otg.gadget->is_a_peripheral = 1; + if (isp->phy.otg->gadget) { + isp->phy.otg->gadget->is_a_peripheral = 1; gadget_suspend(isp); } - isp->otg.state = OTG_STATE_A_IDLE; + isp->phy.state = OTG_STATE_A_IDLE; l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS; omap_writel(l, OTG_CTRL); isp->last_otg_ctrl = l; @@ -365,19 +365,19 @@ static void b_idle(struct isp1301 *isp, const char *tag) { u32 l; - if (isp->otg.state == OTG_STATE_B_IDLE) + if (isp->phy.state == OTG_STATE_B_IDLE) return; - isp->otg.default_a = 0; - if (isp->otg.host) { - isp->otg.host->is_b_host = 1; + isp->phy.otg->default_a = 0; + if (isp->phy.otg->host) { + isp->phy.otg->host->is_b_host = 1; host_suspend(isp); } - if (isp->otg.gadget) { - isp->otg.gadget->is_a_peripheral = 0; + if (isp->phy.otg->gadget) { + isp->phy.otg->gadget->is_a_peripheral = 0; gadget_suspend(isp); } - isp->otg.state = OTG_STATE_B_IDLE; + isp->phy.state = OTG_STATE_B_IDLE; l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS; omap_writel(l, OTG_CTRL); isp->last_otg_ctrl = l; @@ -478,7 +478,7 @@ static void check_state(struct isp1301 *isp, const char *tag) default: break; } - if (isp->otg.state == state && !extra) + if (isp->phy.state == state && !extra) return; pr_debug("otg: %s FSM %s/%02x, %s, %06x\n", tag, otg_state_string(state), fsm, state_name(isp), @@ -502,22 +502,23 @@ static void update_otg1(struct isp1301 *isp, u8 int_src) if (int_src & INTR_SESS_VLD) otg_ctrl |= OTG_ASESSVLD; - else if (isp->otg.state == OTG_STATE_A_WAIT_VFALL) { + else if (isp->phy.state == OTG_STATE_A_WAIT_VFALL) { a_idle(isp, "vfall"); otg_ctrl &= ~OTG_CTRL_BITS; } if (int_src & INTR_VBUS_VLD) otg_ctrl |= OTG_VBUSVLD; if (int_src & INTR_ID_GND) { /* default-A */ - if (isp->otg.state == OTG_STATE_B_IDLE - || isp->otg.state == OTG_STATE_UNDEFINED) { + if (isp->phy.state == OTG_STATE_B_IDLE + || isp->phy.state + == OTG_STATE_UNDEFINED) { a_idle(isp, "init"); return; } } else { /* default-B */ otg_ctrl |= OTG_ID; - if (isp->otg.state == OTG_STATE_A_IDLE - || isp->otg.state == OTG_STATE_UNDEFINED) { + if (isp->phy.state == OTG_STATE_A_IDLE + || isp->phy.state == OTG_STATE_UNDEFINED) { b_idle(isp, "init"); return; } @@ -551,14 +552,14 @@ static void otg_update_isp(struct isp1301 *isp) isp->last_otg_ctrl = otg_ctrl; otg_ctrl = otg_ctrl & OTG_XCEIV_INPUTS; - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_B_IDLE: case OTG_STATE_B_PERIPHERAL: case OTG_STATE_B_SRP_INIT: if (!(otg_ctrl & OTG_PULLUP)) { // if (otg_ctrl & OTG_B_HNPEN) { - if (isp->otg.gadget->b_hnp_enable) { - isp->otg.state = OTG_STATE_B_WAIT_ACON; + if (isp->phy.otg->gadget->b_hnp_enable) { + isp->phy.state = OTG_STATE_B_WAIT_ACON; pr_debug(" --> b_wait_acon\n"); } goto pulldown; @@ -585,10 +586,10 @@ pulldown: else clr |= ISP; \ } while (0) - if (!(isp->otg.host)) + if (!(isp->phy.otg->host)) otg_ctrl &= ~OTG_DRV_VBUS; - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_A_SUSPEND: if (otg_ctrl & OTG_DRV_VBUS) { set |= OTG1_VBUS_DRV; @@ -599,7 +600,7 @@ pulldown: /* FALLTHROUGH */ case OTG_STATE_A_VBUS_ERR: - isp->otg.state = OTG_STATE_A_WAIT_VFALL; + isp->phy.state = OTG_STATE_A_WAIT_VFALL; pr_debug(" --> a_wait_vfall\n"); /* FALLTHROUGH */ case OTG_STATE_A_WAIT_VFALL: @@ -608,7 +609,7 @@ pulldown: break; case OTG_STATE_A_IDLE: if (otg_ctrl & OTG_DRV_VBUS) { - isp->otg.state = OTG_STATE_A_WAIT_VRISE; + isp->phy.state = OTG_STATE_A_WAIT_VRISE; pr_debug(" --> a_wait_vrise\n"); } /* FALLTHROUGH */ @@ -628,17 +629,17 @@ pulldown: if (otg_change & OTG_PULLUP) { u32 l; - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_B_IDLE: if (clr & OTG1_DP_PULLUP) break; - isp->otg.state = OTG_STATE_B_PERIPHERAL; + isp->phy.state = OTG_STATE_B_PERIPHERAL; pr_debug(" --> b_peripheral\n"); break; case OTG_STATE_A_SUSPEND: if (clr & OTG1_DP_PULLUP) break; - isp->otg.state = OTG_STATE_A_PERIPHERAL; + isp->phy.state = OTG_STATE_A_PERIPHERAL; pr_debug(" --> a_peripheral\n"); break; default: @@ -659,6 +660,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) u32 otg_ctrl; int ret = IRQ_NONE; struct isp1301 *isp = _isp; + struct usb_otg *otg = isp->phy.otg; /* update ISP1301 transceiver from OTG controller */ if (otg_irq & OPRT_CHG) { @@ -675,7 +677,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) * remote wakeup (SRP, normal) using their own timer * to give "check cable and A-device" messages. */ - if (isp->otg.state == OTG_STATE_B_SRP_INIT) + if (isp->phy.state == OTG_STATE_B_SRP_INIT) b_idle(isp, "srp_timeout"); omap_writew(B_SRP_TMROUT, OTG_IRQ_SRC); @@ -693,7 +695,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) omap_writel(otg_ctrl, OTG_CTRL); /* subset of b_peripheral()... */ - isp->otg.state = OTG_STATE_B_PERIPHERAL; + isp->phy.state = OTG_STATE_B_PERIPHERAL; pr_debug(" --> b_peripheral\n"); omap_writew(B_HNP_FAIL, OTG_IRQ_SRC); @@ -705,9 +707,9 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) state_name(isp), omap_readl(OTG_CTRL)); isp1301_defer_work(isp, WORK_UPDATE_OTG); - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_A_IDLE: - if (!isp->otg.host) + if (!otg->host) break; isp1301_defer_work(isp, WORK_HOST_RESUME); otg_ctrl = omap_readl(OTG_CTRL); @@ -736,7 +738,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) otg_ctrl |= OTG_BUSDROP; otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS; omap_writel(otg_ctrl, OTG_CTRL); - isp->otg.state = OTG_STATE_A_WAIT_VFALL; + isp->phy.state = OTG_STATE_A_WAIT_VFALL; omap_writew(A_REQ_TMROUT, OTG_IRQ_SRC); ret = IRQ_HANDLED; @@ -750,7 +752,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) otg_ctrl |= OTG_BUSDROP; otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS; omap_writel(otg_ctrl, OTG_CTRL); - isp->otg.state = OTG_STATE_A_VBUS_ERR; + isp->phy.state = OTG_STATE_A_VBUS_ERR; omap_writew(A_VBUS_ERR, OTG_IRQ_SRC); ret = IRQ_HANDLED; @@ -771,7 +773,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) /* role is peripheral */ if (otg_ctrl & OTG_DRIVER_SEL) { - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_A_IDLE: b_idle(isp, __func__); break; @@ -787,19 +789,19 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) omap_writel(otg_ctrl | OTG_A_BUSREQ, OTG_CTRL); } - if (isp->otg.host) { - switch (isp->otg.state) { + if (otg->host) { + switch (isp->phy.state) { case OTG_STATE_B_WAIT_ACON: - isp->otg.state = OTG_STATE_B_HOST; + isp->phy.state = OTG_STATE_B_HOST; pr_debug(" --> b_host\n"); kick = 1; break; case OTG_STATE_A_WAIT_BCON: - isp->otg.state = OTG_STATE_A_HOST; + isp->phy.state = OTG_STATE_A_HOST; pr_debug(" --> a_host\n"); break; case OTG_STATE_A_PERIPHERAL: - isp->otg.state = OTG_STATE_A_WAIT_BCON; + isp->phy.state = OTG_STATE_A_WAIT_BCON; pr_debug(" --> a_wait_bcon\n"); break; default: @@ -813,8 +815,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp) ret = IRQ_HANDLED; if (kick) - usb_bus_start_enum(isp->otg.host, - isp->otg.host->otg_port); + usb_bus_start_enum(otg->host, otg->host->otg_port); } check_state(isp, __func__); @@ -930,7 +931,7 @@ static void b_peripheral(struct isp1301 *isp) l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS; omap_writel(l, OTG_CTRL); - usb_gadget_vbus_connect(isp->otg.gadget); + usb_gadget_vbus_connect(isp->phy.otg->gadget); #ifdef CONFIG_USB_OTG enable_vbus_draw(isp, 8); @@ -940,7 +941,7 @@ static void b_peripheral(struct isp1301 *isp) /* UDC driver just set OTG_BSESSVLD */ isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLUP); isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLDOWN); - isp->otg.state = OTG_STATE_B_PERIPHERAL; + isp->phy.state = OTG_STATE_B_PERIPHERAL; pr_debug(" --> b_peripheral\n"); dump_regs(isp, "2periph"); #endif @@ -948,8 +949,9 @@ static void b_peripheral(struct isp1301 *isp) static void isp_update_otg(struct isp1301 *isp, u8 stat) { + struct usb_otg *otg = isp->phy.otg; u8 isp_stat, isp_bstat; - enum usb_otg_state state = isp->otg.state; + enum usb_otg_state state = isp->phy.state; if (stat & INTR_BDIS_ACON) pr_debug("OTG: BDIS_ACON, %s\n", state_name(isp)); @@ -957,7 +959,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) /* start certain state transitions right away */ isp_stat = isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE); if (isp_stat & INTR_ID_GND) { - if (isp->otg.default_a) { + if (otg->default_a) { switch (state) { case OTG_STATE_B_IDLE: a_idle(isp, "idle"); @@ -972,7 +974,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) * when HNP is used. */ if (isp_stat & INTR_VBUS_VLD) - isp->otg.state = OTG_STATE_A_HOST; + isp->phy.state = OTG_STATE_A_HOST; break; case OTG_STATE_A_WAIT_VFALL: if (!(isp_stat & INTR_SESS_VLD)) @@ -980,7 +982,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) break; default: if (!(isp_stat & INTR_VBUS_VLD)) - isp->otg.state = OTG_STATE_A_VBUS_ERR; + isp->phy.state = OTG_STATE_A_VBUS_ERR; break; } isp_bstat = isp1301_get_u8(isp, ISP1301_OTG_STATUS); @@ -989,14 +991,14 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) case OTG_STATE_B_PERIPHERAL: case OTG_STATE_B_HOST: case OTG_STATE_B_WAIT_ACON: - usb_gadget_vbus_disconnect(isp->otg.gadget); + usb_gadget_vbus_disconnect(otg->gadget); break; default: break; } if (state != OTG_STATE_A_IDLE) a_idle(isp, "id"); - if (isp->otg.host && state == OTG_STATE_A_IDLE) + if (otg->host && state == OTG_STATE_A_IDLE) isp1301_defer_work(isp, WORK_HOST_RESUME); isp_bstat = 0; } @@ -1006,10 +1008,10 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) /* if user unplugged mini-A end of cable, * don't bypass A_WAIT_VFALL. */ - if (isp->otg.default_a) { + if (otg->default_a) { switch (state) { default: - isp->otg.state = OTG_STATE_A_WAIT_VFALL; + isp->phy.state = OTG_STATE_A_WAIT_VFALL; break; case OTG_STATE_A_WAIT_VFALL: state = OTG_STATE_A_IDLE; @@ -1022,7 +1024,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) host_suspend(isp); isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_BDIS_ACON_EN); - isp->otg.state = OTG_STATE_B_IDLE; + isp->phy.state = OTG_STATE_B_IDLE; l = omap_readl(OTG_CTRL) & OTG_CTRL_MASK; l &= ~OTG_CTRL_BITS; omap_writel(l, OTG_CTRL); @@ -1033,7 +1035,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) } isp_bstat = isp1301_get_u8(isp, ISP1301_OTG_STATUS); - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_B_PERIPHERAL: case OTG_STATE_B_WAIT_ACON: case OTG_STATE_B_HOST: @@ -1055,7 +1057,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) omap_writel(l, OTG_CTRL); /* FALLTHROUGH */ case OTG_STATE_B_IDLE: - if (isp->otg.gadget && (isp_bstat & OTG_B_SESS_VLD)) { + if (otg->gadget && (isp_bstat & OTG_B_SESS_VLD)) { #ifdef CONFIG_USB_OTG update_otg1(isp, isp_stat); update_otg2(isp, isp_bstat); @@ -1073,7 +1075,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat) } } - if (state != isp->otg.state) + if (state != isp->phy.state) pr_debug(" isp, %s -> %s\n", otg_state_string(state), state_name(isp)); @@ -1131,10 +1133,10 @@ isp1301_work(struct work_struct *work) * skip A_WAIT_VRISE; hc transitions invisibly * skip A_WAIT_BCON; same. */ - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_A_WAIT_BCON: case OTG_STATE_A_WAIT_VRISE: - isp->otg.state = OTG_STATE_A_HOST; + isp->phy.state = OTG_STATE_A_HOST; pr_debug(" --> a_host\n"); otg_ctrl = omap_readl(OTG_CTRL); otg_ctrl |= OTG_A_BUSREQ; @@ -1143,7 +1145,7 @@ isp1301_work(struct work_struct *work) omap_writel(otg_ctrl, OTG_CTRL); break; case OTG_STATE_B_WAIT_ACON: - isp->otg.state = OTG_STATE_B_HOST; + isp->phy.state = OTG_STATE_B_HOST; pr_debug(" --> b_host (acon)\n"); break; case OTG_STATE_B_HOST: @@ -1204,6 +1206,7 @@ static void isp1301_release(struct device *dev) /* ugly -- i2c hijacks our memory hook to wait_for_completion() */ if (isp->i2c_release) isp->i2c_release(dev); + kfree(isp->phy.otg); kfree (isp); } @@ -1274,9 +1277,9 @@ static int isp1301_otg_enable(struct isp1301 *isp) /* add or disable the host device+driver */ static int -isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) +isp1301_set_host(struct usb_otg *otg, struct usb_bus *host) { - struct isp1301 *isp = container_of(otg, struct isp1301, otg); + struct isp1301 *isp = container_of(otg->phy, struct isp1301, phy); if (!otg || isp != the_transceiver) return -ENODEV; @@ -1284,21 +1287,21 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) if (!host) { omap_writew(0, OTG_IRQ_EN); power_down(isp); - isp->otg.host = NULL; + otg->host = NULL; return 0; } #ifdef CONFIG_USB_OTG - isp->otg.host = host; + otg->host = host; dev_dbg(&isp->client->dev, "registered host\n"); host_suspend(isp); - if (isp->otg.gadget) + if (otg->gadget) return isp1301_otg_enable(isp); return 0; #elif !defined(CONFIG_USB_GADGET_OMAP) // FIXME update its refcount - isp->otg.host = host; + otg->host = host; power_up(isp); @@ -1330,9 +1333,9 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) } static int -isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) +isp1301_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget) { - struct isp1301 *isp = container_of(otg, struct isp1301, otg); + struct isp1301 *isp = container_of(otg->phy, struct isp1301, phy); #ifndef CONFIG_USB_OTG u32 l; #endif @@ -1342,24 +1345,24 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) if (!gadget) { omap_writew(0, OTG_IRQ_EN); - if (!isp->otg.default_a) + if (!otg->default_a) enable_vbus_draw(isp, 0); - usb_gadget_vbus_disconnect(isp->otg.gadget); - isp->otg.gadget = NULL; + usb_gadget_vbus_disconnect(otg->gadget); + otg->gadget = NULL; power_down(isp); return 0; } #ifdef CONFIG_USB_OTG - isp->otg.gadget = gadget; + otg->gadget = gadget; dev_dbg(&isp->client->dev, "registered gadget\n"); /* gadget driver may be suspended until vbus_connect () */ - if (isp->otg.host) + if (otg->host) return isp1301_otg_enable(isp); return 0; #elif !defined(CONFIG_USB_OHCI_HCD) && !defined(CONFIG_USB_OHCI_HCD_MODULE) - isp->otg.gadget = gadget; + otg->gadget = gadget; // FIXME update its refcount l = omap_readl(OTG_CTRL) & OTG_CTRL_MASK; @@ -1368,7 +1371,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) omap_writel(l, OTG_CTRL); power_up(isp); - isp->otg.state = OTG_STATE_B_IDLE; + isp->phy.state = OTG_STATE_B_IDLE; if (machine_is_omap_h2() || machine_is_omap_h3()) isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0); @@ -1399,7 +1402,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) /*-------------------------------------------------------------------------*/ static int -isp1301_set_power(struct otg_transceiver *dev, unsigned mA) +isp1301_set_power(struct usb_phy *dev, unsigned mA) { if (!the_transceiver) return -ENODEV; @@ -1409,13 +1412,13 @@ isp1301_set_power(struct otg_transceiver *dev, unsigned mA) } static int -isp1301_start_srp(struct otg_transceiver *dev) +isp1301_start_srp(struct usb_otg *otg) { - struct isp1301 *isp = container_of(dev, struct isp1301, otg); + struct isp1301 *isp = container_of(otg->phy, struct isp1301, phy); u32 otg_ctrl; - if (!dev || isp != the_transceiver - || isp->otg.state != OTG_STATE_B_IDLE) + if (!otg || isp != the_transceiver + || isp->phy.state != OTG_STATE_B_IDLE) return -ENODEV; otg_ctrl = omap_readl(OTG_CTRL); @@ -1425,7 +1428,7 @@ isp1301_start_srp(struct otg_transceiver *dev) otg_ctrl |= OTG_B_BUSREQ; otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK; omap_writel(otg_ctrl, OTG_CTRL); - isp->otg.state = OTG_STATE_B_SRP_INIT; + isp->phy.state = OTG_STATE_B_SRP_INIT; pr_debug("otg: SRP, %s ... %06x\n", state_name(isp), omap_readl(OTG_CTRL)); @@ -1436,27 +1439,26 @@ isp1301_start_srp(struct otg_transceiver *dev) } static int -isp1301_start_hnp(struct otg_transceiver *dev) +isp1301_start_hnp(struct usb_otg *otg) { #ifdef CONFIG_USB_OTG - struct isp1301 *isp = container_of(dev, struct isp1301, otg); + struct isp1301 *isp = container_of(otg->phy, struct isp1301, phy); u32 l; - if (!dev || isp != the_transceiver) + if (!otg || isp != the_transceiver) return -ENODEV; - if (isp->otg.default_a && (isp->otg.host == NULL - || !isp->otg.host->b_hnp_enable)) + if (otg->default_a && (otg->host == NULL || !otg->host->b_hnp_enable)) return -ENOTCONN; - if (!isp->otg.default_a && (isp->otg.gadget == NULL - || !isp->otg.gadget->b_hnp_enable)) + if (!otg->default_a && (otg->gadget == NULL + || !otg->gadget->b_hnp_enable)) return -ENOTCONN; /* We want hardware to manage most HNP protocol timings. * So do this part as early as possible... */ - switch (isp->otg.state) { + switch (isp->phy.state) { case OTG_STATE_B_HOST: - isp->otg.state = OTG_STATE_B_PERIPHERAL; + isp->phy.state = OTG_STATE_B_PERIPHERAL; /* caller will suspend next */ break; case OTG_STATE_A_HOST: @@ -1466,7 +1468,7 @@ isp1301_start_hnp(struct otg_transceiver *dev) MC1_BDIS_ACON_EN); #endif /* caller must suspend then clear A_BUSREQ */ - usb_gadget_vbus_connect(isp->otg.gadget); + usb_gadget_vbus_connect(otg->gadget); l = omap_readl(OTG_CTRL); l |= OTG_A_SETB_HNPEN; omap_writel(l, OTG_CTRL); @@ -1503,6 +1505,12 @@ isp1301_probe(struct i2c_client *i2c, const struct i2c_device_id *id) if (!isp) return 0; + isp->phy.otg = kzalloc(sizeof *isp->phy.otg, GFP_KERNEL); + if (!isp->phy.otg) { + kfree(isp); + return 0; + } + INIT_WORK(&isp->work, isp1301_work); init_timer(&isp->timer); isp->timer.function = isp1301_timer; @@ -1576,14 +1584,15 @@ isp1301_probe(struct i2c_client *i2c, const struct i2c_device_id *id) goto fail; } - isp->otg.dev = &i2c->dev; - isp->otg.label = DRIVER_NAME; + isp->phy.dev = &i2c->dev; + isp->phy.label = DRIVER_NAME; + isp->phy.set_power = isp1301_set_power, - isp->otg.set_host = isp1301_set_host, - isp->otg.set_peripheral = isp1301_set_peripheral, - isp->otg.set_power = isp1301_set_power, - isp->otg.start_srp = isp1301_start_srp, - isp->otg.start_hnp = isp1301_start_hnp, + isp->phy.otg->phy = &isp->phy; + isp->phy.otg->set_host = isp1301_set_host, + isp->phy.otg->set_peripheral = isp1301_set_peripheral, + isp->phy.otg->start_srp = isp1301_start_srp, + isp->phy.otg->start_hnp = isp1301_start_hnp, enable_vbus_draw(isp, 0); power_down(isp); @@ -1601,7 +1610,7 @@ isp1301_probe(struct i2c_client *i2c, const struct i2c_device_id *id) dev_dbg(&i2c->dev, "scheduled timer, %d min\n", TIMER_MINUTES); #endif - status = otg_set_transceiver(&isp->otg); + status = usb_set_transceiver(&isp->phy); if (status < 0) dev_err(&i2c->dev, "can't register transceiver, %d\n", status); @@ -1609,6 +1618,7 @@ isp1301_probe(struct i2c_client *i2c, const struct i2c_device_id *id) return 0; fail: + kfree(isp->phy.otg); kfree(isp); return -ENODEV; } @@ -1639,7 +1649,7 @@ subsys_initcall(isp_init); static void __exit isp_exit(void) { if (the_transceiver) - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); i2c_del_driver(&isp1301_driver); } module_exit(isp_exit); diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/otg/msm_otg.c index b276f8fcdeb..1d0347c247d 100644 --- a/drivers/usb/otg/msm_otg.c +++ b/drivers/usb/otg/msm_otg.c @@ -69,9 +69,9 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init) int ret = 0; if (init) { - hsusb_vddcx = regulator_get(motg->otg.dev, "HSUSB_VDDCX"); + hsusb_vddcx = regulator_get(motg->phy.dev, "HSUSB_VDDCX"); if (IS_ERR(hsusb_vddcx)) { - dev_err(motg->otg.dev, "unable to get hsusb vddcx\n"); + dev_err(motg->phy.dev, "unable to get hsusb vddcx\n"); return PTR_ERR(hsusb_vddcx); } @@ -79,7 +79,7 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init) USB_PHY_VDD_DIG_VOL_MIN, USB_PHY_VDD_DIG_VOL_MAX); if (ret) { - dev_err(motg->otg.dev, "unable to set the voltage " + dev_err(motg->phy.dev, "unable to set the voltage " "for hsusb vddcx\n"); regulator_put(hsusb_vddcx); return ret; @@ -87,18 +87,18 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init) ret = regulator_enable(hsusb_vddcx); if (ret) { - dev_err(motg->otg.dev, "unable to enable hsusb vddcx\n"); + dev_err(motg->phy.dev, "unable to enable hsusb vddcx\n"); regulator_put(hsusb_vddcx); } } else { ret = regulator_set_voltage(hsusb_vddcx, 0, USB_PHY_VDD_DIG_VOL_MAX); if (ret) - dev_err(motg->otg.dev, "unable to set the voltage " + dev_err(motg->phy.dev, "unable to set the voltage " "for hsusb vddcx\n"); ret = regulator_disable(hsusb_vddcx); if (ret) - dev_err(motg->otg.dev, "unable to disable hsusb vddcx\n"); + dev_err(motg->phy.dev, "unable to disable hsusb vddcx\n"); regulator_put(hsusb_vddcx); } @@ -111,40 +111,40 @@ static int msm_hsusb_ldo_init(struct msm_otg *motg, int init) int rc = 0; if (init) { - hsusb_3p3 = regulator_get(motg->otg.dev, "HSUSB_3p3"); + hsusb_3p3 = regulator_get(motg->phy.dev, "HSUSB_3p3"); if (IS_ERR(hsusb_3p3)) { - dev_err(motg->otg.dev, "unable to get hsusb 3p3\n"); + dev_err(motg->phy.dev, "unable to get hsusb 3p3\n"); return PTR_ERR(hsusb_3p3); } rc = regulator_set_voltage(hsusb_3p3, USB_PHY_3P3_VOL_MIN, USB_PHY_3P3_VOL_MAX); if (rc) { - dev_err(motg->otg.dev, "unable to set voltage level " + dev_err(motg->phy.dev, "unable to set voltage level " "for hsusb 3p3\n"); goto put_3p3; } rc = regulator_enable(hsusb_3p3); if (rc) { - dev_err(motg->otg.dev, "unable to enable the hsusb 3p3\n"); + dev_err(motg->phy.dev, "unable to enable the hsusb 3p3\n"); goto put_3p3; } - hsusb_1p8 = regulator_get(motg->otg.dev, "HSUSB_1p8"); + hsusb_1p8 = regulator_get(motg->phy.dev, "HSUSB_1p8"); if (IS_ERR(hsusb_1p8)) { - dev_err(motg->otg.dev, "unable to get hsusb 1p8\n"); + dev_err(motg->phy.dev, "unable to get hsusb 1p8\n"); rc = PTR_ERR(hsusb_1p8); goto disable_3p3; } rc = regulator_set_voltage(hsusb_1p8, USB_PHY_1P8_VOL_MIN, USB_PHY_1P8_VOL_MAX); if (rc) { - dev_err(motg->otg.dev, "unable to set voltage level " + dev_err(motg->phy.dev, "unable to set voltage level " "for hsusb 1p8\n"); goto put_1p8; } rc = regulator_enable(hsusb_1p8); if (rc) { - dev_err(motg->otg.dev, "unable to enable the hsusb 1p8\n"); + dev_err(motg->phy.dev, "unable to enable the hsusb 1p8\n"); goto put_1p8; } @@ -235,9 +235,9 @@ static int msm_hsusb_ldo_set_mode(int on) return ret < 0 ? ret : 0; } -static int ulpi_read(struct otg_transceiver *otg, u32 reg) +static int ulpi_read(struct usb_phy *phy, u32 reg) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(phy, struct msm_otg, phy); int cnt = 0; /* initiate read operation */ @@ -253,16 +253,16 @@ static int ulpi_read(struct otg_transceiver *otg, u32 reg) } if (cnt >= ULPI_IO_TIMEOUT_USEC) { - dev_err(otg->dev, "ulpi_read: timeout %08x\n", + dev_err(phy->dev, "ulpi_read: timeout %08x\n", readl(USB_ULPI_VIEWPORT)); return -ETIMEDOUT; } return ULPI_DATA_READ(readl(USB_ULPI_VIEWPORT)); } -static int ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg) +static int ulpi_write(struct usb_phy *phy, u32 val, u32 reg) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(phy, struct msm_otg, phy); int cnt = 0; /* initiate write operation */ @@ -279,13 +279,13 @@ static int ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg) } if (cnt >= ULPI_IO_TIMEOUT_USEC) { - dev_err(otg->dev, "ulpi_write: timeout\n"); + dev_err(phy->dev, "ulpi_write: timeout\n"); return -ETIMEDOUT; } return 0; } -static struct otg_io_access_ops msm_otg_io_ops = { +static struct usb_phy_io_ops msm_otg_io_ops = { .read = ulpi_read, .write = ulpi_write, }; @@ -299,9 +299,9 @@ static void ulpi_init(struct msm_otg *motg) return; while (seq[0] >= 0) { - dev_vdbg(motg->otg.dev, "ulpi: write 0x%02x to 0x%02x\n", + dev_vdbg(motg->phy.dev, "ulpi: write 0x%02x to 0x%02x\n", seq[0], seq[1]); - ulpi_write(&motg->otg, seq[0], seq[1]); + ulpi_write(&motg->phy, seq[0], seq[1]); seq += 2; } } @@ -313,11 +313,11 @@ static int msm_otg_link_clk_reset(struct msm_otg *motg, bool assert) if (assert) { ret = clk_reset(motg->clk, CLK_RESET_ASSERT); if (ret) - dev_err(motg->otg.dev, "usb hs_clk assert failed\n"); + dev_err(motg->phy.dev, "usb hs_clk assert failed\n"); } else { ret = clk_reset(motg->clk, CLK_RESET_DEASSERT); if (ret) - dev_err(motg->otg.dev, "usb hs_clk deassert failed\n"); + dev_err(motg->phy.dev, "usb hs_clk deassert failed\n"); } return ret; } @@ -328,13 +328,13 @@ static int msm_otg_phy_clk_reset(struct msm_otg *motg) ret = clk_reset(motg->phy_reset_clk, CLK_RESET_ASSERT); if (ret) { - dev_err(motg->otg.dev, "usb phy clk assert failed\n"); + dev_err(motg->phy.dev, "usb phy clk assert failed\n"); return ret; } usleep_range(10000, 12000); ret = clk_reset(motg->phy_reset_clk, CLK_RESET_DEASSERT); if (ret) - dev_err(motg->otg.dev, "usb phy clk deassert failed\n"); + dev_err(motg->phy.dev, "usb phy clk deassert failed\n"); return ret; } @@ -358,7 +358,7 @@ static int msm_otg_phy_reset(struct msm_otg *motg) writel(val | PORTSC_PTS_ULPI, USB_PORTSC); for (retries = 3; retries > 0; retries--) { - ret = ulpi_write(&motg->otg, ULPI_FUNC_CTRL_SUSPENDM, + ret = ulpi_write(&motg->phy, ULPI_FUNC_CTRL_SUSPENDM, ULPI_CLR(ULPI_FUNC_CTRL)); if (!ret) break; @@ -375,7 +375,7 @@ static int msm_otg_phy_reset(struct msm_otg *motg) return ret; for (retries = 3; retries > 0; retries--) { - ret = ulpi_read(&motg->otg, ULPI_DEBUG); + ret = ulpi_read(&motg->phy, ULPI_DEBUG); if (ret != -ETIMEDOUT) break; ret = msm_otg_phy_clk_reset(motg); @@ -385,14 +385,14 @@ static int msm_otg_phy_reset(struct msm_otg *motg) if (!retries) return -ETIMEDOUT; - dev_info(motg->otg.dev, "phy_reset: success\n"); + dev_info(motg->phy.dev, "phy_reset: success\n"); return 0; } #define LINK_RESET_TIMEOUT_USEC (250 * 1000) -static int msm_otg_reset(struct otg_transceiver *otg) +static int msm_otg_reset(struct usb_phy *phy) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(phy, struct msm_otg, phy); struct msm_otg_platform_data *pdata = motg->pdata; int cnt = 0; int ret; @@ -401,7 +401,7 @@ static int msm_otg_reset(struct otg_transceiver *otg) ret = msm_otg_phy_reset(motg); if (ret) { - dev_err(otg->dev, "phy_reset failed\n"); + dev_err(phy->dev, "phy_reset failed\n"); return ret; } @@ -435,8 +435,8 @@ static int msm_otg_reset(struct otg_transceiver *otg) val |= OTGSC_BSVIE; } writel(val, USB_OTGSC); - ulpi_write(otg, ulpi_val, ULPI_USB_INT_EN_RISE); - ulpi_write(otg, ulpi_val, ULPI_USB_INT_EN_FALL); + ulpi_write(phy, ulpi_val, ULPI_USB_INT_EN_RISE); + ulpi_write(phy, ulpi_val, ULPI_USB_INT_EN_FALL); } return 0; @@ -448,8 +448,8 @@ static int msm_otg_reset(struct otg_transceiver *otg) #ifdef CONFIG_PM_SLEEP static int msm_otg_suspend(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; - struct usb_bus *bus = otg->host; + struct usb_phy *phy = &motg->phy; + struct usb_bus *bus = phy->otg->host; struct msm_otg_platform_data *pdata = motg->pdata; int cnt = 0; @@ -475,10 +475,10 @@ static int msm_otg_suspend(struct msm_otg *motg) */ if (motg->pdata->phy_type == CI_45NM_INTEGRATED_PHY) { - ulpi_read(otg, 0x14); + ulpi_read(phy, 0x14); if (pdata->otg_control == OTG_PHY_CONTROL) - ulpi_write(otg, 0x01, 0x30); - ulpi_write(otg, 0x08, 0x09); + ulpi_write(phy, 0x01, 0x30); + ulpi_write(phy, 0x08, 0x09); } /* @@ -495,8 +495,8 @@ static int msm_otg_suspend(struct msm_otg *motg) } if (cnt >= PHY_SUSPEND_TIMEOUT_USEC) { - dev_err(otg->dev, "Unable to suspend PHY\n"); - msm_otg_reset(otg); + dev_err(phy->dev, "Unable to suspend PHY\n"); + msm_otg_reset(phy); enable_irq(motg->irq); return -ETIMEDOUT; } @@ -528,7 +528,7 @@ static int msm_otg_suspend(struct msm_otg *motg) msm_hsusb_config_vddcx(0); } - if (device_may_wakeup(otg->dev)) + if (device_may_wakeup(phy->dev)) enable_irq_wake(motg->irq); if (bus) clear_bit(HCD_FLAG_HW_ACCESSIBLE, &(bus_to_hcd(bus))->flags); @@ -536,15 +536,15 @@ static int msm_otg_suspend(struct msm_otg *motg) atomic_set(&motg->in_lpm, 1); enable_irq(motg->irq); - dev_info(otg->dev, "USB in low power mode\n"); + dev_info(phy->dev, "USB in low power mode\n"); return 0; } static int msm_otg_resume(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; - struct usb_bus *bus = otg->host; + struct usb_phy *phy = &motg->phy; + struct usb_bus *bus = phy->otg->host; int cnt = 0; unsigned temp; @@ -592,13 +592,13 @@ static int msm_otg_resume(struct msm_otg *motg) * PHY. USB state can not be restored. Re-insertion * of USB cable is the only way to get USB working. */ - dev_err(otg->dev, "Unable to resume USB." + dev_err(phy->dev, "Unable to resume USB." "Re-plugin the cable\n"); - msm_otg_reset(otg); + msm_otg_reset(phy); } skip_phy_resume: - if (device_may_wakeup(otg->dev)) + if (device_may_wakeup(phy->dev)) disable_irq_wake(motg->irq); if (bus) set_bit(HCD_FLAG_HW_ACCESSIBLE, &(bus_to_hcd(bus))->flags); @@ -607,11 +607,11 @@ skip_phy_resume: if (motg->async_int) { motg->async_int = 0; - pm_runtime_put(otg->dev); + pm_runtime_put(phy->dev); enable_irq(motg->irq); } - dev_info(otg->dev, "USB exited from low power mode\n"); + dev_info(phy->dev, "USB exited from low power mode\n"); return 0; } @@ -623,13 +623,13 @@ static void msm_otg_notify_charger(struct msm_otg *motg, unsigned mA) return; /* TODO: Notify PMIC about available current */ - dev_info(motg->otg.dev, "Avail curr from USB = %u\n", mA); + dev_info(motg->phy.dev, "Avail curr from USB = %u\n", mA); motg->cur_power = mA; } -static int msm_otg_set_power(struct otg_transceiver *otg, unsigned mA) +static int msm_otg_set_power(struct usb_phy *phy, unsigned mA) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(phy, struct msm_otg, phy); /* * Gadget driver uses set_power method to notify about the @@ -644,19 +644,19 @@ static int msm_otg_set_power(struct otg_transceiver *otg, unsigned mA) return 0; } -static void msm_otg_start_host(struct otg_transceiver *otg, int on) +static void msm_otg_start_host(struct usb_phy *phy, int on) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(phy, struct msm_otg, phy); struct msm_otg_platform_data *pdata = motg->pdata; struct usb_hcd *hcd; - if (!otg->host) + if (!phy->otg->host) return; - hcd = bus_to_hcd(otg->host); + hcd = bus_to_hcd(phy->otg->host); if (on) { - dev_dbg(otg->dev, "host on\n"); + dev_dbg(phy->dev, "host on\n"); if (pdata->vbus_power) pdata->vbus_power(1); @@ -671,7 +671,7 @@ static void msm_otg_start_host(struct otg_transceiver *otg, int on) usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); #endif } else { - dev_dbg(otg->dev, "host off\n"); + dev_dbg(phy->dev, "host off\n"); #ifdef CONFIG_USB usb_remove_hcd(hcd); @@ -683,9 +683,9 @@ static void msm_otg_start_host(struct otg_transceiver *otg, int on) } } -static int msm_otg_set_host(struct otg_transceiver *otg, struct usb_bus *host) +static int msm_otg_set_host(struct usb_otg *otg, struct usb_bus *host) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(otg->phy, struct msm_otg, phy); struct usb_hcd *hcd; /* @@ -693,16 +693,16 @@ static int msm_otg_set_host(struct otg_transceiver *otg, struct usb_bus *host) * only peripheral configuration. */ if (motg->pdata->mode == USB_PERIPHERAL) { - dev_info(otg->dev, "Host mode is not supported\n"); + dev_info(otg->phy->dev, "Host mode is not supported\n"); return -ENODEV; } if (!host) { - if (otg->state == OTG_STATE_A_HOST) { - pm_runtime_get_sync(otg->dev); - msm_otg_start_host(otg, 0); + if (otg->phy->state == OTG_STATE_A_HOST) { + pm_runtime_get_sync(otg->phy->dev); + msm_otg_start_host(otg->phy, 0); otg->host = NULL; - otg->state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; schedule_work(&motg->sm_work); } else { otg->host = NULL; @@ -715,30 +715,30 @@ static int msm_otg_set_host(struct otg_transceiver *otg, struct usb_bus *host) hcd->power_budget = motg->pdata->power_budget; otg->host = host; - dev_dbg(otg->dev, "host driver registered w/ tranceiver\n"); + dev_dbg(otg->phy->dev, "host driver registered w/ tranceiver\n"); /* * Kick the state machine work, if peripheral is not supported * or peripheral is already registered with us. */ if (motg->pdata->mode == USB_HOST || otg->gadget) { - pm_runtime_get_sync(otg->dev); + pm_runtime_get_sync(otg->phy->dev); schedule_work(&motg->sm_work); } return 0; } -static void msm_otg_start_peripheral(struct otg_transceiver *otg, int on) +static void msm_otg_start_peripheral(struct usb_phy *phy, int on) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(phy, struct msm_otg, phy); struct msm_otg_platform_data *pdata = motg->pdata; - if (!otg->gadget) + if (!phy->otg->gadget) return; if (on) { - dev_dbg(otg->dev, "gadget on\n"); + dev_dbg(phy->dev, "gadget on\n"); /* * Some boards have a switch cotrolled by gpio * to enable/disable internal HUB. Disable internal @@ -746,36 +746,36 @@ static void msm_otg_start_peripheral(struct otg_transceiver *otg, int on) */ if (pdata->setup_gpio) pdata->setup_gpio(OTG_STATE_B_PERIPHERAL); - usb_gadget_vbus_connect(otg->gadget); + usb_gadget_vbus_connect(phy->otg->gadget); } else { - dev_dbg(otg->dev, "gadget off\n"); - usb_gadget_vbus_disconnect(otg->gadget); + dev_dbg(phy->dev, "gadget off\n"); + usb_gadget_vbus_disconnect(phy->otg->gadget); if (pdata->setup_gpio) pdata->setup_gpio(OTG_STATE_UNDEFINED); } } -static int msm_otg_set_peripheral(struct otg_transceiver *otg, - struct usb_gadget *gadget) +static int msm_otg_set_peripheral(struct usb_otg *otg, + struct usb_gadget *gadget) { - struct msm_otg *motg = container_of(otg, struct msm_otg, otg); + struct msm_otg *motg = container_of(otg->phy, struct msm_otg, phy); /* * Fail peripheral registration if this board can support * only host configuration. */ if (motg->pdata->mode == USB_HOST) { - dev_info(otg->dev, "Peripheral mode is not supported\n"); + dev_info(otg->phy->dev, "Peripheral mode is not supported\n"); return -ENODEV; } if (!gadget) { - if (otg->state == OTG_STATE_B_PERIPHERAL) { - pm_runtime_get_sync(otg->dev); - msm_otg_start_peripheral(otg, 0); + if (otg->phy->state == OTG_STATE_B_PERIPHERAL) { + pm_runtime_get_sync(otg->phy->dev); + msm_otg_start_peripheral(otg->phy, 0); otg->gadget = NULL; - otg->state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; schedule_work(&motg->sm_work); } else { otg->gadget = NULL; @@ -784,14 +784,14 @@ static int msm_otg_set_peripheral(struct otg_transceiver *otg, return 0; } otg->gadget = gadget; - dev_dbg(otg->dev, "peripheral driver registered w/ tranceiver\n"); + dev_dbg(otg->phy->dev, "peripheral driver registered w/ tranceiver\n"); /* * Kick the state machine work, if host is not supported * or host is already registered with us. */ if (motg->pdata->mode == USB_PERIPHERAL || otg->host) { - pm_runtime_get_sync(otg->dev); + pm_runtime_get_sync(otg->phy->dev); schedule_work(&motg->sm_work); } @@ -800,17 +800,17 @@ static int msm_otg_set_peripheral(struct otg_transceiver *otg, static bool msm_chg_check_secondary_det(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 chg_det; bool ret = false; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); ret = chg_det & (1 << 4); break; case SNPS_28NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x87); + chg_det = ulpi_read(phy, 0x87); ret = chg_det & 1; break; default: @@ -821,38 +821,38 @@ static bool msm_chg_check_secondary_det(struct msm_otg *motg) static void msm_chg_enable_secondary_det(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 chg_det; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); /* Turn off charger block */ chg_det |= ~(1 << 1); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); udelay(20); /* control chg block via ULPI */ chg_det &= ~(1 << 3); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); /* put it in host mode for enabling D- source */ chg_det &= ~(1 << 2); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); /* Turn on chg detect block */ chg_det &= ~(1 << 1); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); udelay(20); /* enable chg detection */ chg_det &= ~(1 << 0); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); break; case SNPS_28NM_INTEGRATED_PHY: /* * Configure DM as current source, DP as current sink * and enable battery charging comparators. */ - ulpi_write(otg, 0x8, 0x85); - ulpi_write(otg, 0x2, 0x85); - ulpi_write(otg, 0x1, 0x85); + ulpi_write(phy, 0x8, 0x85); + ulpi_write(phy, 0x2, 0x85); + ulpi_write(phy, 0x1, 0x85); break; default: break; @@ -861,17 +861,17 @@ static void msm_chg_enable_secondary_det(struct msm_otg *motg) static bool msm_chg_check_primary_det(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 chg_det; bool ret = false; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); ret = chg_det & (1 << 4); break; case SNPS_28NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x87); + chg_det = ulpi_read(phy, 0x87); ret = chg_det & 1; break; default: @@ -882,23 +882,23 @@ static bool msm_chg_check_primary_det(struct msm_otg *motg) static void msm_chg_enable_primary_det(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 chg_det; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); /* enable chg detection */ chg_det &= ~(1 << 0); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); break; case SNPS_28NM_INTEGRATED_PHY: /* * Configure DP as current source, DM as current sink * and enable battery charging comparators. */ - ulpi_write(otg, 0x2, 0x85); - ulpi_write(otg, 0x1, 0x85); + ulpi_write(phy, 0x2, 0x85); + ulpi_write(phy, 0x1, 0x85); break; default: break; @@ -907,17 +907,17 @@ static void msm_chg_enable_primary_det(struct msm_otg *motg) static bool msm_chg_check_dcd(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 line_state; bool ret = false; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - line_state = ulpi_read(otg, 0x15); + line_state = ulpi_read(phy, 0x15); ret = !(line_state & 1); break; case SNPS_28NM_INTEGRATED_PHY: - line_state = ulpi_read(otg, 0x87); + line_state = ulpi_read(phy, 0x87); ret = line_state & 2; break; default: @@ -928,17 +928,17 @@ static bool msm_chg_check_dcd(struct msm_otg *motg) static void msm_chg_disable_dcd(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 chg_det; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); chg_det &= ~(1 << 5); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); break; case SNPS_28NM_INTEGRATED_PHY: - ulpi_write(otg, 0x10, 0x86); + ulpi_write(phy, 0x10, 0x86); break; default: break; @@ -947,19 +947,19 @@ static void msm_chg_disable_dcd(struct msm_otg *motg) static void msm_chg_enable_dcd(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 chg_det; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); /* Turn on D+ current source */ chg_det |= (1 << 5); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); break; case SNPS_28NM_INTEGRATED_PHY: /* Data contact detection enable */ - ulpi_write(otg, 0x10, 0x85); + ulpi_write(phy, 0x10, 0x85); break; default: break; @@ -968,32 +968,32 @@ static void msm_chg_enable_dcd(struct msm_otg *motg) static void msm_chg_block_on(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 func_ctrl, chg_det; /* put the controller in non-driving mode */ - func_ctrl = ulpi_read(otg, ULPI_FUNC_CTRL); + func_ctrl = ulpi_read(phy, ULPI_FUNC_CTRL); func_ctrl &= ~ULPI_FUNC_CTRL_OPMODE_MASK; func_ctrl |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - ulpi_write(otg, func_ctrl, ULPI_FUNC_CTRL); + ulpi_write(phy, func_ctrl, ULPI_FUNC_CTRL); switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); /* control chg block via ULPI */ chg_det &= ~(1 << 3); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); /* Turn on chg detect block */ chg_det &= ~(1 << 1); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); udelay(20); break; case SNPS_28NM_INTEGRATED_PHY: /* Clear charger detecting control bits */ - ulpi_write(otg, 0x3F, 0x86); + ulpi_write(phy, 0x3F, 0x86); /* Clear alt interrupt latch and enable bits */ - ulpi_write(otg, 0x1F, 0x92); - ulpi_write(otg, 0x1F, 0x95); + ulpi_write(phy, 0x1F, 0x92); + ulpi_write(phy, 0x1F, 0x95); udelay(100); break; default: @@ -1003,32 +1003,32 @@ static void msm_chg_block_on(struct msm_otg *motg) static void msm_chg_block_off(struct msm_otg *motg) { - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 func_ctrl, chg_det; switch (motg->pdata->phy_type) { case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(otg, 0x34); + chg_det = ulpi_read(phy, 0x34); /* Turn off charger block */ chg_det |= ~(1 << 1); - ulpi_write(otg, chg_det, 0x34); + ulpi_write(phy, chg_det, 0x34); break; case SNPS_28NM_INTEGRATED_PHY: /* Clear charger detecting control bits */ - ulpi_write(otg, 0x3F, 0x86); + ulpi_write(phy, 0x3F, 0x86); /* Clear alt interrupt latch and enable bits */ - ulpi_write(otg, 0x1F, 0x92); - ulpi_write(otg, 0x1F, 0x95); + ulpi_write(phy, 0x1F, 0x92); + ulpi_write(phy, 0x1F, 0x95); break; default: break; } /* put the controller in normal mode */ - func_ctrl = ulpi_read(otg, ULPI_FUNC_CTRL); + func_ctrl = ulpi_read(phy, ULPI_FUNC_CTRL); func_ctrl &= ~ULPI_FUNC_CTRL_OPMODE_MASK; func_ctrl |= ULPI_FUNC_CTRL_OPMODE_NORMAL; - ulpi_write(otg, func_ctrl, ULPI_FUNC_CTRL); + ulpi_write(phy, func_ctrl, ULPI_FUNC_CTRL); } #define MSM_CHG_DCD_POLL_TIME (100 * HZ/1000) /* 100 msec */ @@ -1038,14 +1038,14 @@ static void msm_chg_block_off(struct msm_otg *motg) static void msm_chg_detect_work(struct work_struct *w) { struct msm_otg *motg = container_of(w, struct msm_otg, chg_work.work); - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; bool is_dcd, tmout, vout; unsigned long delay; - dev_dbg(otg->dev, "chg detection work\n"); + dev_dbg(phy->dev, "chg detection work\n"); switch (motg->chg_state) { case USB_CHG_STATE_UNDEFINED: - pm_runtime_get_sync(otg->dev); + pm_runtime_get_sync(phy->dev); msm_chg_block_on(motg); msm_chg_enable_dcd(motg); motg->chg_state = USB_CHG_STATE_WAIT_FOR_DCD; @@ -1088,7 +1088,7 @@ static void msm_chg_detect_work(struct work_struct *w) motg->chg_state = USB_CHG_STATE_DETECTED; case USB_CHG_STATE_DETECTED: msm_chg_block_off(motg); - dev_dbg(otg->dev, "charger = %d\n", motg->chg_type); + dev_dbg(phy->dev, "charger = %d\n", motg->chg_type); schedule_work(&motg->sm_work); return; default: @@ -1152,22 +1152,22 @@ static void msm_otg_init_sm(struct msm_otg *motg) static void msm_otg_sm_work(struct work_struct *w) { struct msm_otg *motg = container_of(w, struct msm_otg, sm_work); - struct otg_transceiver *otg = &motg->otg; + struct usb_otg *otg = motg->phy.otg; - switch (otg->state) { + switch (otg->phy->state) { case OTG_STATE_UNDEFINED: - dev_dbg(otg->dev, "OTG_STATE_UNDEFINED state\n"); - msm_otg_reset(otg); + dev_dbg(otg->phy->dev, "OTG_STATE_UNDEFINED state\n"); + msm_otg_reset(otg->phy); msm_otg_init_sm(motg); - otg->state = OTG_STATE_B_IDLE; + otg->phy->state = OTG_STATE_B_IDLE; /* FALL THROUGH */ case OTG_STATE_B_IDLE: - dev_dbg(otg->dev, "OTG_STATE_B_IDLE state\n"); + dev_dbg(otg->phy->dev, "OTG_STATE_B_IDLE state\n"); if (!test_bit(ID, &motg->inputs) && otg->host) { /* disable BSV bit */ writel(readl(USB_OTGSC) & ~OTGSC_BSVIE, USB_OTGSC); - msm_otg_start_host(otg, 1); - otg->state = OTG_STATE_A_HOST; + msm_otg_start_host(otg->phy, 1); + otg->phy->state = OTG_STATE_A_HOST; } else if (test_bit(B_SESS_VLD, &motg->inputs)) { switch (motg->chg_state) { case USB_CHG_STATE_UNDEFINED: @@ -1182,13 +1182,15 @@ static void msm_otg_sm_work(struct work_struct *w) case USB_CDP_CHARGER: msm_otg_notify_charger(motg, IDEV_CHG_MAX); - msm_otg_start_peripheral(otg, 1); - otg->state = OTG_STATE_B_PERIPHERAL; + msm_otg_start_peripheral(otg->phy, 1); + otg->phy->state + = OTG_STATE_B_PERIPHERAL; break; case USB_SDP_CHARGER: msm_otg_notify_charger(motg, IUNIT); - msm_otg_start_peripheral(otg, 1); - otg->state = OTG_STATE_B_PERIPHERAL; + msm_otg_start_peripheral(otg->phy, 1); + otg->phy->state + = OTG_STATE_B_PERIPHERAL; break; default: break; @@ -1204,34 +1206,34 @@ static void msm_otg_sm_work(struct work_struct *w) * is incremented in charger detection work. */ if (cancel_delayed_work_sync(&motg->chg_work)) { - pm_runtime_put_sync(otg->dev); - msm_otg_reset(otg); + pm_runtime_put_sync(otg->phy->dev); + msm_otg_reset(otg->phy); } msm_otg_notify_charger(motg, 0); motg->chg_state = USB_CHG_STATE_UNDEFINED; motg->chg_type = USB_INVALID_CHARGER; } - pm_runtime_put_sync(otg->dev); + pm_runtime_put_sync(otg->phy->dev); break; case OTG_STATE_B_PERIPHERAL: - dev_dbg(otg->dev, "OTG_STATE_B_PERIPHERAL state\n"); + dev_dbg(otg->phy->dev, "OTG_STATE_B_PERIPHERAL state\n"); if (!test_bit(B_SESS_VLD, &motg->inputs) || !test_bit(ID, &motg->inputs)) { msm_otg_notify_charger(motg, 0); - msm_otg_start_peripheral(otg, 0); + msm_otg_start_peripheral(otg->phy, 0); motg->chg_state = USB_CHG_STATE_UNDEFINED; motg->chg_type = USB_INVALID_CHARGER; - otg->state = OTG_STATE_B_IDLE; - msm_otg_reset(otg); + otg->phy->state = OTG_STATE_B_IDLE; + msm_otg_reset(otg->phy); schedule_work(w); } break; case OTG_STATE_A_HOST: - dev_dbg(otg->dev, "OTG_STATE_A_HOST state\n"); + dev_dbg(otg->phy->dev, "OTG_STATE_A_HOST state\n"); if (test_bit(ID, &motg->inputs)) { - msm_otg_start_host(otg, 0); - otg->state = OTG_STATE_B_IDLE; - msm_otg_reset(otg); + msm_otg_start_host(otg->phy, 0); + otg->phy->state = OTG_STATE_B_IDLE; + msm_otg_reset(otg->phy); schedule_work(w); } break; @@ -1243,13 +1245,13 @@ static void msm_otg_sm_work(struct work_struct *w) static irqreturn_t msm_otg_irq(int irq, void *data) { struct msm_otg *motg = data; - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; u32 otgsc = 0; if (atomic_read(&motg->in_lpm)) { disable_irq_nosync(irq); motg->async_int = 1; - pm_runtime_get(otg->dev); + pm_runtime_get(phy->dev); return IRQ_HANDLED; } @@ -1262,15 +1264,15 @@ static irqreturn_t msm_otg_irq(int irq, void *data) set_bit(ID, &motg->inputs); else clear_bit(ID, &motg->inputs); - dev_dbg(otg->dev, "ID set/clear\n"); - pm_runtime_get_noresume(otg->dev); + dev_dbg(phy->dev, "ID set/clear\n"); + pm_runtime_get_noresume(phy->dev); } else if ((otgsc & OTGSC_BSVIS) && (otgsc & OTGSC_BSVIE)) { if (otgsc & OTGSC_BSV) set_bit(B_SESS_VLD, &motg->inputs); else clear_bit(B_SESS_VLD, &motg->inputs); - dev_dbg(otg->dev, "BSV set/clear\n"); - pm_runtime_get_noresume(otg->dev); + dev_dbg(phy->dev, "BSV set/clear\n"); + pm_runtime_get_noresume(phy->dev); } writel(otgsc, USB_OTGSC); @@ -1281,9 +1283,9 @@ static irqreturn_t msm_otg_irq(int irq, void *data) static int msm_otg_mode_show(struct seq_file *s, void *unused) { struct msm_otg *motg = s->private; - struct otg_transceiver *otg = &motg->otg; + struct usb_otg *otg = motg->phy.otg; - switch (otg->state) { + switch (otg->phy->state) { case OTG_STATE_A_HOST: seq_printf(s, "host\n"); break; @@ -1309,7 +1311,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf, struct seq_file *s = file->private_data; struct msm_otg *motg = s->private; char buf[16]; - struct otg_transceiver *otg = &motg->otg; + struct usb_otg *otg = motg->phy.otg; int status = count; enum usb_mode_type req_mode; @@ -1333,7 +1335,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf, switch (req_mode) { case USB_NONE: - switch (otg->state) { + switch (otg->phy->state) { case OTG_STATE_A_HOST: case OTG_STATE_B_PERIPHERAL: set_bit(ID, &motg->inputs); @@ -1344,7 +1346,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf, } break; case USB_PERIPHERAL: - switch (otg->state) { + switch (otg->phy->state) { case OTG_STATE_B_IDLE: case OTG_STATE_A_HOST: set_bit(ID, &motg->inputs); @@ -1355,7 +1357,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf, } break; case USB_HOST: - switch (otg->state) { + switch (otg->phy->state) { case OTG_STATE_B_IDLE: case OTG_STATE_B_PERIPHERAL: clear_bit(ID, &motg->inputs); @@ -1368,7 +1370,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf, goto out; } - pm_runtime_get_sync(otg->dev); + pm_runtime_get_sync(otg->phy->dev); schedule_work(&motg->sm_work); out: return status; @@ -1414,7 +1416,7 @@ static int __init msm_otg_probe(struct platform_device *pdev) int ret = 0; struct resource *res; struct msm_otg *motg; - struct otg_transceiver *otg; + struct usb_phy *phy; dev_info(&pdev->dev, "msm_otg probe\n"); if (!pdev->dev.platform_data) { @@ -1428,9 +1430,15 @@ static int __init msm_otg_probe(struct platform_device *pdev) return -ENOMEM; } + motg->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL); + if (!motg->phy.otg) { + dev_err(&pdev->dev, "unable to allocate msm_otg\n"); + return -ENOMEM; + } + motg->pdata = pdev->dev.platform_data; - otg = &motg->otg; - otg->dev = &pdev->dev; + phy = &motg->phy; + phy->dev = &pdev->dev; motg->phy_reset_clk = clk_get(&pdev->dev, "usb_phy_clk"); if (IS_ERR(motg->phy_reset_clk)) { @@ -1538,16 +1546,18 @@ static int __init msm_otg_probe(struct platform_device *pdev) goto disable_clks; } - otg->init = msm_otg_reset; - otg->set_host = msm_otg_set_host; - otg->set_peripheral = msm_otg_set_peripheral; - otg->set_power = msm_otg_set_power; + phy->init = msm_otg_reset; + phy->set_power = msm_otg_set_power; + + phy->io_ops = &msm_otg_io_ops; - otg->io_ops = &msm_otg_io_ops; + phy->otg->phy = &motg->phy; + phy->otg->set_host = msm_otg_set_host; + phy->otg->set_peripheral = msm_otg_set_peripheral; - ret = otg_set_transceiver(&motg->otg); + ret = usb_set_transceiver(&motg->phy); if (ret) { - dev_err(&pdev->dev, "otg_set_transceiver failed\n"); + dev_err(&pdev->dev, "usb_set_transceiver failed\n"); goto free_irq; } @@ -1591,6 +1601,7 @@ put_clk: put_phy_reset_clk: clk_put(motg->phy_reset_clk); free_motg: + kfree(motg->phy.otg); kfree(motg); return ret; } @@ -1598,10 +1609,10 @@ free_motg: static int __devexit msm_otg_remove(struct platform_device *pdev) { struct msm_otg *motg = platform_get_drvdata(pdev); - struct otg_transceiver *otg = &motg->otg; + struct usb_phy *phy = &motg->phy; int cnt = 0; - if (otg->host || otg->gadget) + if (phy->otg->host || phy->otg->gadget) return -EBUSY; msm_otg_debugfs_cleanup(); @@ -1613,14 +1624,14 @@ static int __devexit msm_otg_remove(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 0); pm_runtime_disable(&pdev->dev); - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); free_irq(motg->irq, motg); /* * Put PHY in low power mode. */ - ulpi_read(otg, 0x14); - ulpi_write(otg, 0x08, 0x09); + ulpi_read(phy, 0x14); + ulpi_write(phy, 0x08, 0x09); writel(readl(USB_PORTSC) | PORTSC_PHCD, USB_PORTSC); while (cnt < PHY_SUSPEND_TIMEOUT_USEC) { @@ -1630,7 +1641,7 @@ static int __devexit msm_otg_remove(struct platform_device *pdev) cnt++; } if (cnt >= PHY_SUSPEND_TIMEOUT_USEC) - dev_err(otg->dev, "Unable to suspend PHY\n"); + dev_err(phy->dev, "Unable to suspend PHY\n"); clk_disable(motg->pclk); clk_disable(motg->clk); @@ -1651,6 +1662,7 @@ static int __devexit msm_otg_remove(struct platform_device *pdev) if (motg->core_clk) clk_put(motg->core_clk); + kfree(motg->phy.otg); kfree(motg); return 0; @@ -1660,7 +1672,7 @@ static int __devexit msm_otg_remove(struct platform_device *pdev) static int msm_otg_runtime_idle(struct device *dev) { struct msm_otg *motg = dev_get_drvdata(dev); - struct otg_transceiver *otg = &motg->otg; + struct usb_otg *otg = motg->phy.otg; dev_dbg(dev, "OTG runtime idle\n"); @@ -1670,7 +1682,7 @@ static int msm_otg_runtime_idle(struct device *dev) * This 1 sec delay also prevents entering into LPM immediately * after asynchronous interrupt. */ - if (otg->state != OTG_STATE_UNDEFINED) + if (otg->phy->state != OTG_STATE_UNDEFINED) pm_schedule_suspend(dev, 1000); return -EAGAIN; diff --git a/drivers/usb/otg/mv_otg.c b/drivers/usb/otg/mv_otg.c index b5fbe1452ab..6cc6c3ffbb8 100644 --- a/drivers/usb/otg/mv_otg.c +++ b/drivers/usb/otg/mv_otg.c @@ -55,16 +55,16 @@ static char *state_string[] = { "a_vbus_err" }; -static int mv_otg_set_vbus(struct otg_transceiver *otg, bool on) +static int mv_otg_set_vbus(struct usb_otg *otg, bool on) { - struct mv_otg *mvotg = container_of(otg, struct mv_otg, otg); + struct mv_otg *mvotg = container_of(otg->phy, struct mv_otg, phy); if (mvotg->pdata->set_vbus == NULL) return -ENODEV; return mvotg->pdata->set_vbus(on); } -static int mv_otg_set_host(struct otg_transceiver *otg, +static int mv_otg_set_host(struct usb_otg *otg, struct usb_bus *host) { otg->host = host; @@ -72,7 +72,7 @@ static int mv_otg_set_host(struct otg_transceiver *otg, return 0; } -static int mv_otg_set_peripheral(struct otg_transceiver *otg, +static int mv_otg_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget) { otg->gadget = gadget; @@ -203,7 +203,7 @@ static void mv_otg_init_irq(struct mv_otg *mvotg) static void mv_otg_start_host(struct mv_otg *mvotg, int on) { #ifdef CONFIG_USB - struct otg_transceiver *otg = &mvotg->otg; + struct usb_otg *otg = mvotg->phy.otg; struct usb_hcd *hcd; if (!otg->host) @@ -222,12 +222,12 @@ static void mv_otg_start_host(struct mv_otg *mvotg, int on) static void mv_otg_start_periphrals(struct mv_otg *mvotg, int on) { - struct otg_transceiver *otg = &mvotg->otg; + struct usb_otg *otg = mvotg->phy.otg; if (!otg->gadget) return; - dev_info(otg->dev, "gadget %s\n", on ? "on" : "off"); + dev_info(mvotg->phy.dev, "gadget %s\n", on ? "on" : "off"); if (on) usb_gadget_vbus_connect(otg->gadget); @@ -343,69 +343,69 @@ static void mv_otg_update_inputs(struct mv_otg *mvotg) static void mv_otg_update_state(struct mv_otg *mvotg) { struct mv_otg_ctrl *otg_ctrl = &mvotg->otg_ctrl; - struct otg_transceiver *otg = &mvotg->otg; - int old_state = otg->state; + struct usb_phy *phy = &mvotg->phy; + int old_state = phy->state; switch (old_state) { case OTG_STATE_UNDEFINED: - otg->state = OTG_STATE_B_IDLE; + phy->state = OTG_STATE_B_IDLE; /* FALL THROUGH */ case OTG_STATE_B_IDLE: if (otg_ctrl->id == 0) - otg->state = OTG_STATE_A_IDLE; + phy->state = OTG_STATE_A_IDLE; else if (otg_ctrl->b_sess_vld) - otg->state = OTG_STATE_B_PERIPHERAL; + phy->state = OTG_STATE_B_PERIPHERAL; break; case OTG_STATE_B_PERIPHERAL: if (!otg_ctrl->b_sess_vld || otg_ctrl->id == 0) - otg->state = OTG_STATE_B_IDLE; + phy->state = OTG_STATE_B_IDLE; break; case OTG_STATE_A_IDLE: if (otg_ctrl->id) - otg->state = OTG_STATE_B_IDLE; + phy->state = OTG_STATE_B_IDLE; else if (!(otg_ctrl->a_bus_drop) && (otg_ctrl->a_bus_req || otg_ctrl->a_srp_det)) - otg->state = OTG_STATE_A_WAIT_VRISE; + phy->state = OTG_STATE_A_WAIT_VRISE; break; case OTG_STATE_A_WAIT_VRISE: if (otg_ctrl->a_vbus_vld) - otg->state = OTG_STATE_A_WAIT_BCON; + phy->state = OTG_STATE_A_WAIT_BCON; break; case OTG_STATE_A_WAIT_BCON: if (otg_ctrl->id || otg_ctrl->a_bus_drop || otg_ctrl->a_wait_bcon_timeout) { mv_otg_cancel_timer(mvotg, A_WAIT_BCON_TIMER); mvotg->otg_ctrl.a_wait_bcon_timeout = 0; - otg->state = OTG_STATE_A_WAIT_VFALL; + phy->state = OTG_STATE_A_WAIT_VFALL; otg_ctrl->a_bus_req = 0; } else if (!otg_ctrl->a_vbus_vld) { mv_otg_cancel_timer(mvotg, A_WAIT_BCON_TIMER); mvotg->otg_ctrl.a_wait_bcon_timeout = 0; - otg->state = OTG_STATE_A_VBUS_ERR; + phy->state = OTG_STATE_A_VBUS_ERR; } else if (otg_ctrl->b_conn) { mv_otg_cancel_timer(mvotg, A_WAIT_BCON_TIMER); mvotg->otg_ctrl.a_wait_bcon_timeout = 0; - otg->state = OTG_STATE_A_HOST; + phy->state = OTG_STATE_A_HOST; } break; case OTG_STATE_A_HOST: if (otg_ctrl->id || !otg_ctrl->b_conn || otg_ctrl->a_bus_drop) - otg->state = OTG_STATE_A_WAIT_BCON; + phy->state = OTG_STATE_A_WAIT_BCON; else if (!otg_ctrl->a_vbus_vld) - otg->state = OTG_STATE_A_VBUS_ERR; + phy->state = OTG_STATE_A_VBUS_ERR; break; case OTG_STATE_A_WAIT_VFALL: if (otg_ctrl->id || (!otg_ctrl->b_conn && otg_ctrl->a_sess_vld) || otg_ctrl->a_bus_req) - otg->state = OTG_STATE_A_IDLE; + phy->state = OTG_STATE_A_IDLE; break; case OTG_STATE_A_VBUS_ERR: if (otg_ctrl->id || otg_ctrl->a_clr_err || otg_ctrl->a_bus_drop) { otg_ctrl->a_clr_err = 0; - otg->state = OTG_STATE_A_WAIT_VFALL; + phy->state = OTG_STATE_A_WAIT_VFALL; } break; default: @@ -416,15 +416,17 @@ static void mv_otg_update_state(struct mv_otg *mvotg) static void mv_otg_work(struct work_struct *work) { struct mv_otg *mvotg; - struct otg_transceiver *otg; + struct usb_phy *phy; + struct usb_otg *otg; int old_state; mvotg = container_of((struct delayed_work *)work, struct mv_otg, work); run: /* work queue is single thread, or we need spin_lock to protect */ - otg = &mvotg->otg; - old_state = otg->state; + phy = &mvotg->phy; + otg = phy->otg; + old_state = phy->state; if (!mvotg->active) return; @@ -432,14 +434,14 @@ run: mv_otg_update_inputs(mvotg); mv_otg_update_state(mvotg); - if (old_state != otg->state) { + if (old_state != phy->state) { dev_info(&mvotg->pdev->dev, "change from state %s to %s\n", state_string[old_state], - state_string[otg->state]); + state_string[phy->state]); - switch (otg->state) { + switch (phy->state) { case OTG_STATE_B_IDLE: - mvotg->otg.default_a = 0; + otg->default_a = 0; if (old_state == OTG_STATE_B_PERIPHERAL) mv_otg_start_periphrals(mvotg, 0); mv_otg_reset(mvotg); @@ -450,14 +452,14 @@ run: mv_otg_start_periphrals(mvotg, 1); break; case OTG_STATE_A_IDLE: - mvotg->otg.default_a = 1; + otg->default_a = 1; mv_otg_enable(mvotg); if (old_state == OTG_STATE_A_WAIT_VFALL) mv_otg_start_host(mvotg, 0); mv_otg_reset(mvotg); break; case OTG_STATE_A_WAIT_VRISE: - mv_otg_set_vbus(&mvotg->otg, 1); + mv_otg_set_vbus(otg, 1); break; case OTG_STATE_A_WAIT_BCON: if (old_state != OTG_STATE_A_HOST) @@ -479,7 +481,7 @@ run: * here. In fact, it need host driver to notify us. */ mvotg->otg_ctrl.b_conn = 0; - mv_otg_set_vbus(&mvotg->otg, 0); + mv_otg_set_vbus(otg, 0); break; case OTG_STATE_A_VBUS_ERR: break; @@ -548,8 +550,8 @@ set_a_bus_req(struct device *dev, struct device_attribute *attr, return -1; /* We will use this interface to change to A device */ - if (mvotg->otg.state != OTG_STATE_B_IDLE - && mvotg->otg.state != OTG_STATE_A_IDLE) + if (mvotg->phy.state != OTG_STATE_B_IDLE + && mvotg->phy.state != OTG_STATE_A_IDLE) return -1; /* The clock may disabled and we need to set irq for ID detected */ @@ -579,7 +581,7 @@ set_a_clr_err(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct mv_otg *mvotg = dev_get_drvdata(dev); - if (!mvotg->otg.default_a) + if (!mvotg->phy.otg->default_a) return -1; if (count > 2) @@ -615,7 +617,7 @@ set_a_bus_drop(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct mv_otg *mvotg = dev_get_drvdata(dev); - if (!mvotg->otg.default_a) + if (!mvotg->phy.otg->default_a) return -1; if (count > 2) @@ -688,9 +690,10 @@ int mv_otg_remove(struct platform_device *pdev) for (clk_i = 0; clk_i <= mvotg->clknum; clk_i++) clk_put(mvotg->clk[clk_i]); - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); platform_set_drvdata(pdev, NULL); + kfree(mvotg->phy.otg); kfree(mvotg); return 0; @@ -700,6 +703,7 @@ static int mv_otg_probe(struct platform_device *pdev) { struct mv_usb_platform_data *pdata = pdev->dev.platform_data; struct mv_otg *mvotg; + struct usb_otg *otg; struct resource *r; int retval = 0, clk_i, i; size_t size; @@ -716,6 +720,12 @@ static int mv_otg_probe(struct platform_device *pdev) return -ENOMEM; } + otg = kzalloc(sizeof *otg, GFP_KERNEL); + if (!otg) { + kfree(mvotg); + return -ENOMEM; + } + platform_set_drvdata(pdev, mvotg); mvotg->pdev = pdev; @@ -741,12 +751,15 @@ static int mv_otg_probe(struct platform_device *pdev) /* OTG common part */ mvotg->pdev = pdev; - mvotg->otg.dev = &pdev->dev; - mvotg->otg.label = driver_name; - mvotg->otg.set_host = mv_otg_set_host; - mvotg->otg.set_peripheral = mv_otg_set_peripheral; - mvotg->otg.set_vbus = mv_otg_set_vbus; - mvotg->otg.state = OTG_STATE_UNDEFINED; + mvotg->phy.dev = &pdev->dev; + mvotg->phy.otg = otg; + mvotg->phy.label = driver_name; + mvotg->phy.state = OTG_STATE_UNDEFINED; + + otg->phy = &mvotg->phy; + otg->set_host = mv_otg_set_host; + otg->set_peripheral = mv_otg_set_peripheral; + otg->set_vbus = mv_otg_set_vbus; for (i = 0; i < OTG_TIMER_NUM; i++) init_timer(&mvotg->otg_ctrl.timer[i]); @@ -840,7 +853,7 @@ static int mv_otg_probe(struct platform_device *pdev) goto err_disable_clk; } - retval = otg_set_transceiver(&mvotg->otg); + retval = usb_set_transceiver(&mvotg->phy); if (retval < 0) { dev_err(&pdev->dev, "can't register transceiver, %d\n", retval); @@ -867,7 +880,7 @@ static int mv_otg_probe(struct platform_device *pdev) return 0; err_set_transceiver: - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); err_free_irq: free_irq(mvotg->irq, mvotg); err_disable_clk: @@ -888,6 +901,7 @@ err_put_clk: clk_put(mvotg->clk[clk_i]); platform_set_drvdata(pdev, NULL); + kfree(otg); kfree(mvotg); return retval; @@ -898,10 +912,10 @@ static int mv_otg_suspend(struct platform_device *pdev, pm_message_t state) { struct mv_otg *mvotg = platform_get_drvdata(pdev); - if (mvotg->otg.state != OTG_STATE_B_IDLE) { + if (mvotg->phy.state != OTG_STATE_B_IDLE) { dev_info(&pdev->dev, "OTG state is not B_IDLE, it is %d!\n", - mvotg->otg.state); + mvotg->phy.state); return -EAGAIN; } diff --git a/drivers/usb/otg/mv_otg.h b/drivers/usb/otg/mv_otg.h index be6ca143764..8a9e351b36b 100644 --- a/drivers/usb/otg/mv_otg.h +++ b/drivers/usb/otg/mv_otg.h @@ -136,7 +136,7 @@ struct mv_otg_regs { }; struct mv_otg { - struct otg_transceiver otg; + struct usb_phy phy; struct mv_otg_ctrl otg_ctrl; /* base address */ diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c index c1e36004643..58b26df6afd 100644 --- a/drivers/usb/otg/nop-usb-xceiv.c +++ b/drivers/usb/otg/nop-usb-xceiv.c @@ -33,7 +33,7 @@ #include <linux/slab.h> struct nop_usb_xceiv { - struct otg_transceiver otg; + struct usb_phy phy; struct device *dev; }; @@ -58,51 +58,37 @@ void usb_nop_xceiv_unregister(void) } EXPORT_SYMBOL(usb_nop_xceiv_unregister); -static inline struct nop_usb_xceiv *xceiv_to_nop(struct otg_transceiver *x) -{ - return container_of(x, struct nop_usb_xceiv, otg); -} - -static int nop_set_suspend(struct otg_transceiver *x, int suspend) +static int nop_set_suspend(struct usb_phy *x, int suspend) { return 0; } -static int nop_set_peripheral(struct otg_transceiver *x, - struct usb_gadget *gadget) +static int nop_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget) { - struct nop_usb_xceiv *nop; - - if (!x) + if (!otg) return -ENODEV; - nop = xceiv_to_nop(x); - if (!gadget) { - nop->otg.gadget = NULL; + otg->gadget = NULL; return -ENODEV; } - nop->otg.gadget = gadget; - nop->otg.state = OTG_STATE_B_IDLE; + otg->gadget = gadget; + otg->phy->state = OTG_STATE_B_IDLE; return 0; } -static int nop_set_host(struct otg_transceiver *x, struct usb_bus *host) +static int nop_set_host(struct usb_otg *otg, struct usb_bus *host) { - struct nop_usb_xceiv *nop; - - if (!x) + if (!otg) return -ENODEV; - nop = xceiv_to_nop(x); - if (!host) { - nop->otg.host = NULL; + otg->host = NULL; return -ENODEV; } - nop->otg.host = host; + otg->host = host; return 0; } @@ -115,15 +101,23 @@ static int __devinit nop_usb_xceiv_probe(struct platform_device *pdev) if (!nop) return -ENOMEM; + nop->phy.otg = kzalloc(sizeof *nop->phy.otg, GFP_KERNEL); + if (!nop->phy.otg) { + kfree(nop); + return -ENOMEM; + } + nop->dev = &pdev->dev; - nop->otg.dev = nop->dev; - nop->otg.label = "nop-xceiv"; - nop->otg.state = OTG_STATE_UNDEFINED; - nop->otg.set_host = nop_set_host; - nop->otg.set_peripheral = nop_set_peripheral; - nop->otg.set_suspend = nop_set_suspend; - - err = otg_set_transceiver(&nop->otg); + nop->phy.dev = nop->dev; + nop->phy.label = "nop-xceiv"; + nop->phy.set_suspend = nop_set_suspend; + nop->phy.state = OTG_STATE_UNDEFINED; + + nop->phy.otg->phy = &nop->phy; + nop->phy.otg->set_host = nop_set_host; + nop->phy.otg->set_peripheral = nop_set_peripheral; + + err = usb_set_transceiver(&nop->phy); if (err) { dev_err(&pdev->dev, "can't register transceiver, err: %d\n", err); @@ -132,10 +126,11 @@ static int __devinit nop_usb_xceiv_probe(struct platform_device *pdev) platform_set_drvdata(pdev, nop); - ATOMIC_INIT_NOTIFIER_HEAD(&nop->otg.notifier); + ATOMIC_INIT_NOTIFIER_HEAD(&nop->phy.notifier); return 0; exit: + kfree(nop->phy.otg); kfree(nop); return err; } @@ -144,9 +139,10 @@ static int __devexit nop_usb_xceiv_remove(struct platform_device *pdev) { struct nop_usb_xceiv *nop = platform_get_drvdata(pdev); - otg_set_transceiver(NULL); + usb_set_transceiver(NULL); platform_set_drvdata(pdev, NULL); + kfree(nop->phy.otg); kfree(nop); return 0; diff --git a/drivers/usb/otg/otg.c b/drivers/usb/otg/otg.c index 307c27bc51e..801e597a154 100644 --- a/drivers/usb/otg/otg.c +++ b/drivers/usb/otg/otg.c @@ -15,56 +15,56 @@ #include <linux/usb/otg.h> -static struct otg_transceiver *xceiv; +static struct usb_phy *phy; /** - * otg_get_transceiver - find the (single) OTG transceiver + * usb_get_transceiver - find the (single) USB transceiver * * Returns the transceiver driver, after getting a refcount to it; or * null if there is no such transceiver. The caller is responsible for - * calling otg_put_transceiver() to release that count. + * calling usb_put_transceiver() to release that count. * * For use by USB host and peripheral drivers. */ -struct otg_transceiver *otg_get_transceiver(void) +struct usb_phy *usb_get_transceiver(void) { - if (xceiv) - get_device(xceiv->dev); - return xceiv; + if (phy) + get_device(phy->dev); + return phy; } -EXPORT_SYMBOL(otg_get_transceiver); +EXPORT_SYMBOL(usb_get_transceiver); /** - * otg_put_transceiver - release the (single) OTG transceiver - * @x: the transceiver returned by otg_get_transceiver() + * usb_put_transceiver - release the (single) USB transceiver + * @x: the transceiver returned by usb_get_transceiver() * - * Releases a refcount the caller received from otg_get_transceiver(). + * Releases a refcount the caller received from usb_get_transceiver(). * * For use by USB host and peripheral drivers. */ -void otg_put_transceiver(struct otg_transceiver *x) +void usb_put_transceiver(struct usb_phy *x) { if (x) put_device(x->dev); } -EXPORT_SYMBOL(otg_put_transceiver); +EXPORT_SYMBOL(usb_put_transceiver); /** - * otg_set_transceiver - declare the (single) OTG transceiver - * @x: the USB OTG transceiver to be used; or NULL + * usb_set_transceiver - declare the (single) USB transceiver + * @x: the USB transceiver to be used; or NULL * * This call is exclusively for use by transceiver drivers, which * coordinate the activities of drivers for host and peripheral * controllers, and in some cases for VBUS current regulation. */ -int otg_set_transceiver(struct otg_transceiver *x) +int usb_set_transceiver(struct usb_phy *x) { - if (xceiv && x) + if (phy && x) return -EBUSY; - xceiv = x; + phy = x; return 0; } -EXPORT_SYMBOL(otg_set_transceiver); +EXPORT_SYMBOL(usb_set_transceiver); const char *otg_state_string(enum usb_otg_state state) { diff --git a/drivers/usb/otg/otg_fsm.c b/drivers/usb/otg/otg_fsm.c index 09117387d2a..ade131a8ae5 100644 --- a/drivers/usb/otg/otg_fsm.c +++ b/drivers/usb/otg/otg_fsm.c @@ -117,10 +117,10 @@ void otg_leave_state(struct otg_fsm *fsm, enum usb_otg_state old_state) int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state) { state_changed = 1; - if (fsm->transceiver->state == new_state) + if (fsm->otg->phy->state == new_state) return 0; VDBG("Set state: %s\n", otg_state_string(new_state)); - otg_leave_state(fsm, fsm->transceiver->state); + otg_leave_state(fsm, fsm->otg->phy->state); switch (new_state) { case OTG_STATE_B_IDLE: otg_drv_vbus(fsm, 0); @@ -155,8 +155,8 @@ int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state) otg_loc_conn(fsm, 0); otg_loc_sof(fsm, 1); otg_set_protocol(fsm, PROTO_HOST); - usb_bus_start_enum(fsm->transceiver->host, - fsm->transceiver->host->otg_port); + usb_bus_start_enum(fsm->otg->host, + fsm->otg->host->otg_port); break; case OTG_STATE_A_IDLE: otg_drv_vbus(fsm, 0); @@ -221,7 +221,7 @@ int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state) break; } - fsm->transceiver->state = new_state; + fsm->otg->phy->state = new_state; return 0; } @@ -233,7 +233,7 @@ int otg_statemachine(struct otg_fsm *fsm) spin_lock_irqsave(&fsm->lock, flags); - state = fsm->transceiver->state; + state = fsm->otg->phy->state; state_changed = 0; /* State machine state change judgement */ @@ -248,7 +248,7 @@ int otg_statemachine(struct otg_fsm *fsm) case OTG_STATE_B_IDLE: if (!fsm->id) otg_set_state(fsm, OTG_STATE_A_IDLE); - else if (fsm->b_sess_vld && fsm->transceiver->gadget) + else if (fsm->b_sess_vld && fsm->otg->gadget) otg_set_state(fsm, OTG_STATE_B_PERIPHERAL); else if (fsm->b_bus_req && fsm->b_sess_end && fsm->b_se0_srp) otg_set_state(fsm, OTG_STATE_B_SRP_INIT); @@ -260,7 +260,7 @@ int otg_statemachine(struct otg_fsm *fsm) case OTG_STATE_B_PERIPHERAL: if (!fsm->id || !fsm->b_sess_vld) otg_set_state(fsm, OTG_STATE_B_IDLE); - else if (fsm->b_bus_req && fsm->transceiver-> + else if (fsm->b_bus_req && fsm->otg-> gadget->b_hnp_enable && fsm->a_bus_suspend) otg_set_state(fsm, OTG_STATE_B_WAIT_ACON); break; @@ -302,7 +302,7 @@ int otg_statemachine(struct otg_fsm *fsm) break; case OTG_STATE_A_HOST: if ((!fsm->a_bus_req || fsm->a_suspend_req) && - fsm->transceiver->host->b_hnp_enable) + fsm->otg->host->b_hnp_enable) otg_set_state(fsm, OTG_STATE_A_SUSPEND); else if (fsm->id || !fsm->b_conn || fsm->a_bus_drop) otg_set_state(fsm, OTG_STATE_A_WAIT_BCON); @@ -310,9 +310,9 @@ int otg_statemachine(struct otg_fsm *fsm) otg_set_state(fsm, OTG_STATE_A_VBUS_ERR); break; case OTG_STATE_A_SUSPEND: - if (!fsm->b_conn && fsm->transceiver->host->b_hnp_enable) + if (!fsm->b_conn && fsm->otg->host->b_hnp_enable) otg_set_state(fsm, OTG_STATE_A_PERIPHERAL); - else if (!fsm->b_conn && !fsm->transceiver->host->b_hnp_enable) + else if (!fsm->b_conn && !fsm->otg->host->b_hnp_enable) otg_set_state(fsm, OTG_STATE_A_WAIT_BCON); else if (fsm->a_bus_req || fsm->b_bus_resume) otg_set_state(fsm, OTG_STATE_A_HOST); diff --git a/drivers/usb/otg/otg_fsm.h b/drivers/usb/otg/otg_fsm.h index 0cecf1d593a..c30a2e1d9e4 100644 --- a/drivers/usb/otg/otg_fsm.h +++ b/drivers/usb/otg/otg_fsm.h @@ -82,7 +82,7 @@ struct otg_fsm { int loc_sof; struct otg_fsm_ops *ops; - struct otg_transceiver *transceiver; + struct usb_otg *otg; /* Current usb protocol used: 0:undefine; 1:host; 2:client */ int protocol; diff --git a/drivers/usb/otg/twl4030-usb.c b/drivers/usb/otg/twl4030-usb.c index 14f66c35862..c4a86da858e 100644 --- a/drivers/usb/otg/twl4030-usb.c +++ b/drivers/usb/otg/twl4030-usb.c @@ -144,7 +144,7 @@ #define GPIO_USB_4PIN_ULPI_2430C (3 << 0) struct twl4030_usb { - struct otg_transceiver otg; + struct usb_phy phy; struct device *dev; /* TWL4030 internal USB regulator supplies */ @@ -166,7 +166,7 @@ struct twl4030_usb { }; /* internal define on top of container_of */ -#define xceiv_to_twl(x) container_of((x), struct twl4030_usb, otg) +#define phy_to_twl(x) container_of((x), struct twl4030_usb, phy) /*-------------------------------------------------------------------------*/ @@ -246,10 +246,11 @@ twl4030_usb_clear_bits(struct twl4030_usb *twl, u8 reg, u8 bits) /*-------------------------------------------------------------------------*/ -static enum usb_xceiv_events twl4030_usb_linkstat(struct twl4030_usb *twl) +static enum usb_phy_events twl4030_usb_linkstat(struct twl4030_usb *twl) { int status; int linkstat = USB_EVENT_NONE; + struct usb_otg *otg = twl->phy.otg; twl->vbus_supplied = false; @@ -281,7 +282,7 @@ static enum usb_xceiv_events twl4030_usb_linkstat(struct twl4030_usb *twl) dev_dbg(twl->dev, "HW_CONDITIONS 0x%02x/%d; link %d\n", status, status, linkstat); - twl->otg.last_event = linkstat; + twl->phy.last_event = linkstat; /* REVISIT this assumes host and peripheral controllers * are registered, and that both are active... @@ -290,11 +291,11 @@ static enum usb_xceiv_events twl4030_usb_linkstat(struct twl4030_usb *twl) spin_lock_irq(&twl->lock); twl->linkstat = linkstat; if (linkstat == USB_EVENT_ID) { - twl->otg.default_a = true; - twl->otg.state = OTG_STATE_A_IDLE; + otg->default_a = true; + twl->phy.state = OTG_STATE_A_IDLE; } else { - twl->otg.default_a = false; - twl->otg.state = OTG_STATE_B_IDLE; + otg->default_a = false; + twl->phy.state = OTG_STATE_B_IDLE; } spin_unlock_irq(&twl->lock); @@ -520,8 +521,8 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl) else twl4030_phy_resume(twl); - atomic_notifier_call_chain(&twl->otg.notifier, status, - twl->otg.gadget); + atomic_notifier_call_chain(&twl->phy.notifier, status, + twl->phy.otg->gadget); } sysfs_notify(&twl->dev->kobj, NULL, "vbus"); @@ -542,15 +543,15 @@ static void twl4030_usb_phy_init(struct twl4030_usb *twl) twl->asleep = 0; } - atomic_notifier_call_chain(&twl->otg.notifier, status, - twl->otg.gadget); + atomic_notifier_call_chain(&twl->phy.notifier, status, + twl->phy.otg->gadget); } sysfs_notify(&twl->dev->kobj, NULL, "vbus"); } -static int twl4030_set_suspend(struct otg_transceiver *x, int suspend) +static int twl4030_set_suspend(struct usb_phy *x, int suspend) { - struct twl4030_usb *twl = xceiv_to_twl(x); + struct twl4030_usb *twl = phy_to_twl(x); if (suspend) twl4030_phy_suspend(twl, 1); @@ -560,33 +561,27 @@ static int twl4030_set_suspend(struct otg_transceiver *x, int suspend) return 0; } -static int twl4030_set_peripheral(struct otg_transceiver *x, - struct usb_gadget *gadget) +static int twl4030_set_peripheral(struct usb_otg *otg, + struct usb_gadget *gadget) { - struct twl4030_usb *twl; - - if (!x) + if (!otg) return -ENODEV; - twl = xceiv_to_twl(x); - twl->otg.gadget = gadget; + otg->gadget = gadget; if (!gadget) - twl->otg.state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; return 0; } -static int twl4030_set_host(struct otg_transceiver *x, struct usb_bus *host) +static int twl4030_set_host(struct usb_otg *otg, struct usb_bus *host) { - struct twl4030_usb *twl; - - if (!x) + if (!otg) return -ENODEV; - twl = xceiv_to_twl(x); - twl->otg.host = host; + otg->host = host; if (!host) - twl->otg.state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; return 0; } @@ -596,6 +591,7 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) struct twl4030_usb_data *pdata = pdev->dev.platform_data; struct twl4030_usb *twl; int status, err; + struct usb_otg *otg; if (!pdata) { dev_dbg(&pdev->dev, "platform_data not available\n"); @@ -606,16 +602,26 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) if (!twl) return -ENOMEM; + otg = kzalloc(sizeof *otg, GFP_KERNEL); + if (!otg) { + kfree(twl); + return -ENOMEM; + } + twl->dev = &pdev->dev; twl->irq = platform_get_irq(pdev, 0); - twl->otg.dev = twl->dev; - twl->otg.label = "twl4030"; - twl->otg.set_host = twl4030_set_host; - twl->otg.set_peripheral = twl4030_set_peripheral; - twl->otg.set_suspend = twl4030_set_suspend; twl->usb_mode = pdata->usb_mode; twl->vbus_supplied = false; - twl->asleep = 1; + twl->asleep = 1; + + twl->phy.dev = twl->dev; + twl->phy.label = "twl4030"; + twl->phy.otg = otg; + twl->phy.set_suspend = twl4030_set_suspend; + + otg->phy = &twl->phy; + otg->set_host = twl4030_set_host; + otg->set_peripheral = twl4030_set_peripheral; /* init spinlock for workqueue */ spin_lock_init(&twl->lock); @@ -623,16 +629,17 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) err = twl4030_usb_ldo_init(twl); if (err) { dev_err(&pdev->dev, "ldo init failed\n"); + kfree(otg); kfree(twl); return err; } - otg_set_transceiver(&twl->otg); + usb_set_transceiver(&twl->phy); platform_set_drvdata(pdev, twl); if (device_create_file(&pdev->dev, &dev_attr_vbus)) dev_warn(&pdev->dev, "could not create sysfs file\n"); - ATOMIC_INIT_NOTIFIER_HEAD(&twl->otg.notifier); + ATOMIC_INIT_NOTIFIER_HEAD(&twl->phy.notifier); /* Our job is to use irqs and status from the power module * to keep the transceiver disabled when nothing's connected. @@ -649,6 +656,7 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) if (status < 0) { dev_dbg(&pdev->dev, "can't get IRQ %d, err %d\n", twl->irq, status); + kfree(otg); kfree(twl); return status; } @@ -693,6 +701,7 @@ static int __exit twl4030_usb_remove(struct platform_device *pdev) regulator_put(twl->usb1v8); regulator_put(twl->usb3v1); + kfree(twl->phy.otg); kfree(twl); return 0; diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c index ed2b26cfe81..e3fa387ca81 100644 --- a/drivers/usb/otg/twl6030-usb.c +++ b/drivers/usb/otg/twl6030-usb.c @@ -87,7 +87,7 @@ #define VBUS_DET BIT(2) struct twl6030_usb { - struct otg_transceiver otg; + struct usb_phy phy; struct device *dev; /* for vbus reporting with irqs disabled */ @@ -107,7 +107,7 @@ struct twl6030_usb { unsigned long features; }; -#define xceiv_to_twl(x) container_of((x), struct twl6030_usb, otg) +#define phy_to_twl(x) container_of((x), struct twl6030_usb, phy) /*-------------------------------------------------------------------------*/ @@ -137,13 +137,13 @@ static inline u8 twl6030_readb(struct twl6030_usb *twl, u8 module, u8 address) return ret; } -static int twl6030_phy_init(struct otg_transceiver *x) +static int twl6030_phy_init(struct usb_phy *x) { struct twl6030_usb *twl; struct device *dev; struct twl4030_usb_data *pdata; - twl = xceiv_to_twl(x); + twl = phy_to_twl(x); dev = twl->dev; pdata = dev->platform_data; @@ -155,21 +155,21 @@ static int twl6030_phy_init(struct otg_transceiver *x) return 0; } -static void twl6030_phy_shutdown(struct otg_transceiver *x) +static void twl6030_phy_shutdown(struct usb_phy *x) { struct twl6030_usb *twl; struct device *dev; struct twl4030_usb_data *pdata; - twl = xceiv_to_twl(x); + twl = phy_to_twl(x); dev = twl->dev; pdata = dev->platform_data; pdata->phy_power(twl->dev, 0, 0); } -static int twl6030_phy_suspend(struct otg_transceiver *x, int suspend) +static int twl6030_phy_suspend(struct usb_phy *x, int suspend) { - struct twl6030_usb *twl = xceiv_to_twl(x); + struct twl6030_usb *twl = phy_to_twl(x); struct device *dev = twl->dev; struct twl4030_usb_data *pdata = dev->platform_data; @@ -178,9 +178,9 @@ static int twl6030_phy_suspend(struct otg_transceiver *x, int suspend) return 0; } -static int twl6030_start_srp(struct otg_transceiver *x) +static int twl6030_start_srp(struct usb_otg *otg) { - struct twl6030_usb *twl = xceiv_to_twl(x); + struct twl6030_usb *twl = phy_to_twl(otg->phy); twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET); twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET); @@ -256,6 +256,7 @@ static DEVICE_ATTR(vbus, 0444, twl6030_usb_vbus_show, NULL); static irqreturn_t twl6030_usb_irq(int irq, void *_twl) { struct twl6030_usb *twl = _twl; + struct usb_otg *otg = twl->phy.otg; int status; u8 vbus_state, hw_state; @@ -268,18 +269,18 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl) regulator_enable(twl->usb3v3); twl->asleep = 1; status = USB_EVENT_VBUS; - twl->otg.default_a = false; - twl->otg.state = OTG_STATE_B_IDLE; + otg->default_a = false; + twl->phy.state = OTG_STATE_B_IDLE; twl->linkstat = status; - twl->otg.last_event = status; - atomic_notifier_call_chain(&twl->otg.notifier, - status, twl->otg.gadget); + twl->phy.last_event = status; + atomic_notifier_call_chain(&twl->phy.notifier, + status, otg->gadget); } else { status = USB_EVENT_NONE; twl->linkstat = status; - twl->otg.last_event = status; - atomic_notifier_call_chain(&twl->otg.notifier, - status, twl->otg.gadget); + twl->phy.last_event = status; + atomic_notifier_call_chain(&twl->phy.notifier, + status, otg->gadget); if (twl->asleep) { regulator_disable(twl->usb3v3); twl->asleep = 0; @@ -294,6 +295,7 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl) static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl) { struct twl6030_usb *twl = _twl; + struct usb_otg *otg = twl->phy.otg; int status = USB_EVENT_NONE; u8 hw_state; @@ -307,12 +309,12 @@ static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl) twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_SET, 0x10); status = USB_EVENT_ID; - twl->otg.default_a = true; - twl->otg.state = OTG_STATE_A_IDLE; + otg->default_a = true; + twl->phy.state = OTG_STATE_A_IDLE; twl->linkstat = status; - twl->otg.last_event = status; - atomic_notifier_call_chain(&twl->otg.notifier, status, - twl->otg.gadget); + twl->phy.last_event = status; + atomic_notifier_call_chain(&twl->phy.notifier, status, + otg->gadget); } else { twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_CLR, 0x10); @@ -324,25 +326,22 @@ static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl) return IRQ_HANDLED; } -static int twl6030_set_peripheral(struct otg_transceiver *x, +static int twl6030_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget) { - struct twl6030_usb *twl; - - if (!x) + if (!otg) return -ENODEV; - twl = xceiv_to_twl(x); - twl->otg.gadget = gadget; + otg->gadget = gadget; if (!gadget) - twl->otg.state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; return 0; } -static int twl6030_enable_irq(struct otg_transceiver *x) +static int twl6030_enable_irq(struct usb_phy *x) { - struct twl6030_usb *twl = xceiv_to_twl(x); + struct twl6030_usb *twl = phy_to_twl(x); twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_SET, 0x1); twl6030_interrupt_unmask(0x05, REG_INT_MSK_LINE_C); @@ -376,9 +375,9 @@ static void otg_set_vbus_work(struct work_struct *data) CHARGERUSB_CTRL1); } -static int twl6030_set_vbus(struct otg_transceiver *x, bool enabled) +static int twl6030_set_vbus(struct usb_otg *otg, bool enabled) { - struct twl6030_usb *twl = xceiv_to_twl(x); + struct twl6030_usb *twl = phy_to_twl(otg->phy); twl->vbus_enable = enabled; schedule_work(&twl->set_vbus_work); @@ -386,17 +385,14 @@ static int twl6030_set_vbus(struct otg_transceiver *x, bool enabled) return 0; } -static int twl6030_set_host(struct otg_transceiver *x, struct usb_bus *host) +static int twl6030_set_host(struct usb_otg *otg, struct usb_bus *host) { - struct twl6030_usb *twl; - - if (!x) + if (!otg) return -ENODEV; - twl = xceiv_to_twl(x); - twl->otg.host = host; + otg->host = host; if (!host) - twl->otg.state = OTG_STATE_UNDEFINED; + otg->phy->state = OTG_STATE_UNDEFINED; return 0; } @@ -405,6 +401,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev) struct twl6030_usb *twl; int status, err; struct twl4030_usb_data *pdata; + struct usb_otg *otg; struct device *dev = &pdev->dev; pdata = dev->platform_data; @@ -412,19 +409,29 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev) if (!twl) return -ENOMEM; + otg = kzalloc(sizeof *otg, GFP_KERNEL); + if (!otg) { + kfree(twl); + return -ENOMEM; + } + twl->dev = &pdev->dev; twl->irq1 = platform_get_irq(pdev, 0); twl->irq2 = platform_get_irq(pdev, 1); twl->features = pdata->features; - twl->otg.dev = twl->dev; - twl->otg.label = "twl6030"; - twl->otg.set_host = twl6030_set_host; - twl->otg.set_peripheral = twl6030_set_peripheral; - twl->otg.set_vbus = twl6030_set_vbus; - twl->otg.init = twl6030_phy_init; - twl->otg.shutdown = twl6030_phy_shutdown; - twl->otg.set_suspend = twl6030_phy_suspend; - twl->otg.start_srp = twl6030_start_srp; + + twl->phy.dev = twl->dev; + twl->phy.label = "twl6030"; + twl->phy.otg = otg; + twl->phy.init = twl6030_phy_init; + twl->phy.shutdown = twl6030_phy_shutdown; + twl->phy.set_suspend = twl6030_phy_suspend; + + otg->phy = &twl->phy; + otg->set_host = twl6030_set_host; + otg->set_peripheral = twl6030_set_peripheral; + otg->set_vbus = twl6030_set_vbus; + otg->start_srp = twl6030_start_srp; /* init spinlock for workqueue */ spin_lock_init(&twl->lock); @@ -432,16 +439,17 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev) err = twl6030_usb_ldo_init(twl); if (err) { dev_err(&pdev->dev, "ldo init failed\n"); + kfree(otg); kfree(twl); return err; } - otg_set_transceiver(&twl->otg); + usb_set_transceiver(&twl->phy); platform_set_drvdata(pdev, twl); if (device_create_file(&pdev->dev, &dev_attr_vbus)) dev_warn(&pdev->dev, "could not create sysfs file\n"); - ATOMIC_INIT_NOTIFIER_HEAD(&twl->otg.notifier); + ATOMIC_INIT_NOTIFIER_HEAD(&twl->phy.notifier); INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work); @@ -453,6 +461,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev) dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", twl->irq1, status); device_remove_file(twl->dev, &dev_attr_vbus); + kfree(otg); kfree(twl); return status; } @@ -465,14 +474,15 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev) twl->irq2, status); free_irq(twl->irq1, twl); device_remove_file(twl->dev, &dev_attr_vbus); + kfree(otg); kfree(twl); return status; } twl->asleep = 0; pdata->phy_init(dev); - twl6030_phy_suspend(&twl->otg, 0); - twl6030_enable_irq(&twl->otg); + twl6030_phy_suspend(&twl->phy, 0); + twl6030_enable_irq(&twl->phy); dev_info(&pdev->dev, "Initialized TWL6030 USB module\n"); return 0; @@ -496,6 +506,7 @@ static int __exit twl6030_usb_remove(struct platform_device *pdev) pdata->phy_exit(twl->dev); device_remove_file(twl->dev, &dev_attr_vbus); cancel_work_sync(&twl->set_vbus_work); + kfree(twl->phy.otg); kfree(twl); return 0; diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c index 0b0466728fd..217339dd7a9 100644 --- a/drivers/usb/otg/ulpi.c +++ b/drivers/usb/otg/ulpi.c @@ -49,31 +49,31 @@ static struct ulpi_info ulpi_ids[] = { ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB331x"), }; -static int ulpi_set_otg_flags(struct otg_transceiver *otg) +static int ulpi_set_otg_flags(struct usb_phy *phy) { unsigned int flags = ULPI_OTG_CTRL_DP_PULLDOWN | ULPI_OTG_CTRL_DM_PULLDOWN; - if (otg->flags & ULPI_OTG_ID_PULLUP) + if (phy->flags & ULPI_OTG_ID_PULLUP) flags |= ULPI_OTG_CTRL_ID_PULLUP; /* * ULPI Specification rev.1.1 default * for Dp/DmPulldown is enabled. */ - if (otg->flags & ULPI_OTG_DP_PULLDOWN_DIS) + if (phy->flags & ULPI_OTG_DP_PULLDOWN_DIS) flags &= ~ULPI_OTG_CTRL_DP_PULLDOWN; - if (otg->flags & ULPI_OTG_DM_PULLDOWN_DIS) + if (phy->flags & ULPI_OTG_DM_PULLDOWN_DIS) flags &= ~ULPI_OTG_CTRL_DM_PULLDOWN; - if (otg->flags & ULPI_OTG_EXTVBUSIND) + if (phy->flags & ULPI_OTG_EXTVBUSIND) flags |= ULPI_OTG_CTRL_EXTVBUSIND; - return otg_io_write(otg, flags, ULPI_OTG_CTRL); + return usb_phy_io_write(phy, flags, ULPI_OTG_CTRL); } -static int ulpi_set_fc_flags(struct otg_transceiver *otg) +static int ulpi_set_fc_flags(struct usb_phy *phy) { unsigned int flags = 0; @@ -81,27 +81,27 @@ static int ulpi_set_fc_flags(struct otg_transceiver *otg) * ULPI Specification rev.1.1 default * for XcvrSelect is Full Speed. */ - if (otg->flags & ULPI_FC_HS) + if (phy->flags & ULPI_FC_HS) flags |= ULPI_FUNC_CTRL_HIGH_SPEED; - else if (otg->flags & ULPI_FC_LS) + else if (phy->flags & ULPI_FC_LS) flags |= ULPI_FUNC_CTRL_LOW_SPEED; - else if (otg->flags & ULPI_FC_FS4LS) + else if (phy->flags & ULPI_FC_FS4LS) flags |= ULPI_FUNC_CTRL_FS4LS; else flags |= ULPI_FUNC_CTRL_FULL_SPEED; - if (otg->flags & ULPI_FC_TERMSEL) + if (phy->flags & ULPI_FC_TERMSEL) flags |= ULPI_FUNC_CTRL_TERMSELECT; /* * ULPI Specification rev.1.1 default * for OpMode is Normal Operation. */ - if (otg->flags & ULPI_FC_OP_NODRV) + if (phy->flags & ULPI_FC_OP_NODRV) flags |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - else if (otg->flags & ULPI_FC_OP_DIS_NRZI) + else if (phy->flags & ULPI_FC_OP_DIS_NRZI) flags |= ULPI_FUNC_CTRL_OPMODE_DISABLE_NRZI; - else if (otg->flags & ULPI_FC_OP_NSYNC_NEOP) + else if (phy->flags & ULPI_FC_OP_NSYNC_NEOP) flags |= ULPI_FUNC_CTRL_OPMODE_NOSYNC_NOEOP; else flags |= ULPI_FUNC_CTRL_OPMODE_NORMAL; @@ -112,54 +112,54 @@ static int ulpi_set_fc_flags(struct otg_transceiver *otg) */ flags |= ULPI_FUNC_CTRL_SUSPENDM; - return otg_io_write(otg, flags, ULPI_FUNC_CTRL); + return usb_phy_io_write(phy, flags, ULPI_FUNC_CTRL); } -static int ulpi_set_ic_flags(struct otg_transceiver *otg) +static int ulpi_set_ic_flags(struct usb_phy *phy) { unsigned int flags = 0; - if (otg->flags & ULPI_IC_AUTORESUME) + if (phy->flags & ULPI_IC_AUTORESUME) flags |= ULPI_IFC_CTRL_AUTORESUME; - if (otg->flags & ULPI_IC_EXTVBUS_INDINV) + if (phy->flags & ULPI_IC_EXTVBUS_INDINV) flags |= ULPI_IFC_CTRL_EXTERNAL_VBUS; - if (otg->flags & ULPI_IC_IND_PASSTHRU) + if (phy->flags & ULPI_IC_IND_PASSTHRU) flags |= ULPI_IFC_CTRL_PASSTHRU; - if (otg->flags & ULPI_IC_PROTECT_DIS) + if (phy->flags & ULPI_IC_PROTECT_DIS) flags |= ULPI_IFC_CTRL_PROTECT_IFC_DISABLE; - return otg_io_write(otg, flags, ULPI_IFC_CTRL); + return usb_phy_io_write(phy, flags, ULPI_IFC_CTRL); } -static int ulpi_set_flags(struct otg_transceiver *otg) +static int ulpi_set_flags(struct usb_phy *phy) { int ret; - ret = ulpi_set_otg_flags(otg); + ret = ulpi_set_otg_flags(phy); if (ret) return ret; - ret = ulpi_set_ic_flags(otg); + ret = ulpi_set_ic_flags(phy); if (ret) return ret; - return ulpi_set_fc_flags(otg); + return ulpi_set_fc_flags(phy); } -static int ulpi_check_integrity(struct otg_transceiver *otg) +static int ulpi_check_integrity(struct usb_phy *phy) { int ret, i; unsigned int val = 0x55; for (i = 0; i < 2; i++) { - ret = otg_io_write(otg, val, ULPI_SCRATCH); + ret = usb_phy_io_write(phy, val, ULPI_SCRATCH); if (ret < 0) return ret; - ret = otg_io_read(otg, ULPI_SCRATCH); + ret = usb_phy_io_read(phy, ULPI_SCRATCH); if (ret < 0) return ret; @@ -175,13 +175,13 @@ static int ulpi_check_integrity(struct otg_transceiver *otg) return 0; } -static int ulpi_init(struct otg_transceiver *otg) +static int ulpi_init(struct usb_phy *phy) { int i, vid, pid, ret; u32 ulpi_id = 0; for (i = 0; i < 4; i++) { - ret = otg_io_read(otg, ULPI_PRODUCT_ID_HIGH - i); + ret = usb_phy_io_read(phy, ULPI_PRODUCT_ID_HIGH - i); if (ret < 0) return ret; ulpi_id = (ulpi_id << 8) | ret; @@ -199,16 +199,17 @@ static int ulpi_init(struct otg_transceiver *otg) } } - ret = ulpi_check_integrity(otg); + ret = ulpi_check_integrity(phy); if (ret) return ret; - return ulpi_set_flags(otg); + return ulpi_set_flags(phy); } -static int ulpi_set_host(struct otg_transceiver *otg, struct usb_bus *host) +static int ulpi_set_host(struct usb_otg *otg, struct usb_bus *host) { - unsigned int flags = otg_io_read(otg, ULPI_IFC_CTRL); + struct usb_phy *phy = otg->phy; + unsigned int flags = usb_phy_io_read(phy, ULPI_IFC_CTRL); if (!host) { otg->host = NULL; @@ -221,51 +222,62 @@ static int ulpi_set_host(struct otg_transceiver *otg, struct usb_bus *host) ULPI_IFC_CTRL_3_PIN_SERIAL_MODE | ULPI_IFC_CTRL_CARKITMODE); - if (otg->flags & ULPI_IC_6PIN_SERIAL) + if (phy->flags & ULPI_IC_6PIN_SERIAL) flags |= ULPI_IFC_CTRL_6_PIN_SERIAL_MODE; - else if (otg->flags & ULPI_IC_3PIN_SERIAL) + else if (phy->flags & ULPI_IC_3PIN_SERIAL) flags |= ULPI_IFC_CTRL_3_PIN_SERIAL_MODE; - else if (otg->flags & ULPI_IC_CARKIT) + else if (phy->flags & ULPI_IC_CARKIT) flags |= ULPI_IFC_CTRL_CARKITMODE; - return otg_io_write(otg, flags, ULPI_IFC_CTRL); + return usb_phy_io_write(phy, flags, ULPI_IFC_CTRL); } -static int ulpi_set_vbus(struct otg_transceiver *otg, bool on) +static int ulpi_set_vbus(struct usb_otg *otg, bool on) { - unsigned int flags = otg_io_read(otg, ULPI_OTG_CTRL); + struct usb_phy *phy = otg->phy; + unsigned int flags = usb_phy_io_read(phy, ULPI_OTG_CTRL); flags &= ~(ULPI_OTG_CTRL_DRVVBUS | ULPI_OTG_CTRL_DRVVBUS_EXT); if (on) { - if (otg->flags & ULPI_OTG_DRVVBUS) + if (phy->flags & ULPI_OTG_DRVVBUS) flags |= ULPI_OTG_CTRL_DRVVBUS; - if (otg->flags & ULPI_OTG_DRVVBUS_EXT) + if (phy->flags & ULPI_OTG_DRVVBUS_EXT) flags |= ULPI_OTG_CTRL_DRVVBUS_EXT; } - return otg_io_write(otg, flags, ULPI_OTG_CTRL); + return usb_phy_io_write(phy, flags, ULPI_OTG_CTRL); } -struct otg_transceiver * -otg_ulpi_create(struct otg_io_access_ops *ops, +struct usb_phy * +otg_ulpi_create(struct usb_phy_io_ops *ops, unsigned int flags) { - struct otg_transceiver *otg; + struct usb_phy *phy; + struct usb_otg *otg; + + phy = kzalloc(sizeof(*phy), GFP_KERNEL); + if (!phy) + return NULL; otg = kzalloc(sizeof(*otg), GFP_KERNEL); - if (!otg) + if (!otg) { + kfree(phy); return NULL; + } + + phy->label = "ULPI"; + phy->flags = flags; + phy->io_ops = ops; + phy->otg = otg; + phy->init = ulpi_init; - otg->label = "ULPI"; - otg->flags = flags; - otg->io_ops = ops; - otg->init = ulpi_init; + otg->phy = phy; otg->set_host = ulpi_set_host; otg->set_vbus = ulpi_set_vbus; - return otg; + return phy; } EXPORT_SYMBOL_GPL(otg_ulpi_create); diff --git a/drivers/usb/otg/ulpi_viewport.c b/drivers/usb/otg/ulpi_viewport.c index e9a37f90994..c5ba7e5423f 100644 --- a/drivers/usb/otg/ulpi_viewport.c +++ b/drivers/usb/otg/ulpi_viewport.c @@ -40,7 +40,7 @@ static int ulpi_viewport_wait(void __iomem *view, u32 mask) return -ETIMEDOUT; } -static int ulpi_viewport_read(struct otg_transceiver *otg, u32 reg) +static int ulpi_viewport_read(struct usb_phy *otg, u32 reg) { int ret; void __iomem *view = otg->io_priv; @@ -58,7 +58,7 @@ static int ulpi_viewport_read(struct otg_transceiver *otg, u32 reg) return ULPI_VIEW_DATA_READ(readl(view)); } -static int ulpi_viewport_write(struct otg_transceiver *otg, u32 val, u32 reg) +static int ulpi_viewport_write(struct usb_phy *otg, u32 val, u32 reg) { int ret; void __iomem *view = otg->io_priv; @@ -74,7 +74,7 @@ static int ulpi_viewport_write(struct otg_transceiver *otg, u32 val, u32 reg) return ulpi_viewport_wait(view, ULPI_VIEW_RUN); } -struct otg_io_access_ops ulpi_viewport_access_ops = { +struct usb_phy_io_ops ulpi_viewport_access_ops = { .read = ulpi_viewport_read, .write = ulpi_viewport_write, }; diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index e9a5b1d2615..a165490bae4 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -413,8 +413,7 @@ static int usbhs_probe(struct platform_device *pdev) struct renesas_usbhs_platform_info *info = pdev->dev.platform_data; struct renesas_usbhs_driver_callback *dfunc; struct usbhs_priv *priv; - struct resource *res; - unsigned int irq; + struct resource *res, *irq_res; int ret; /* check platform information */ @@ -426,8 +425,8 @@ static int usbhs_probe(struct platform_device *pdev) /* platform data */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - irq = platform_get_irq(pdev, 0); - if (!res || (int)irq <= 0) { + irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res || !irq_res) { dev_err(&pdev->dev, "Not enough Renesas USB platform resources.\n"); return -ENODEV; } @@ -476,7 +475,9 @@ static int usbhs_probe(struct platform_device *pdev) /* * priv settings */ - priv->irq = irq; + priv->irq = irq_res->start; + if (irq_res->flags & IORESOURCE_IRQ_SHAREABLE) + priv->irqflags = IRQF_SHARED; priv->pdev = pdev; INIT_DELAYED_WORK(&priv->notify_hotplug_work, usbhsc_notify_hotplug); spin_lock_init(usbhs_priv_to_lock(priv)); diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index d79b3e27db9..3f3ccd35875 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -242,6 +242,7 @@ struct usbhs_priv { void __iomem *base; unsigned int irq; + unsigned long irqflags; struct renesas_usbhs_platform_callback pfunc; struct renesas_usbhs_driver_param dparam; diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 72339bd6fca..3648c82a17f 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -23,6 +23,7 @@ #define usbhsf_get_cfifo(p) (&((p)->fifo_info.cfifo)) #define usbhsf_get_d0fifo(p) (&((p)->fifo_info.d0fifo)) #define usbhsf_get_d1fifo(p) (&((p)->fifo_info.d1fifo)) +#define usbhsf_is_cfifo(p, f) (usbhsf_get_cfifo(p) == f) #define usbhsf_fifo_is_busy(f) ((f)->pipe) /* see usbhs_pipe_select_fifo */ @@ -75,8 +76,7 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, pipe->handler = &usbhsf_null_handler; } - list_del_init(&pkt->node); - list_add_tail(&pkt->node, &pipe->list); + list_move_tail(&pkt->node, &pipe->list); /* * each pkt must hold own handler. @@ -106,7 +106,7 @@ static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe) if (list_empty(&pipe->list)) return NULL; - return list_entry(pipe->list.next, struct usbhs_pkt, node); + return list_first_entry(&pipe->list, struct usbhs_pkt, node); } struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt) @@ -305,7 +305,10 @@ static int usbhsf_fifo_select(struct usbhs_pipe *pipe, } /* "base" will be used below */ - usbhs_write(priv, fifo->sel, base | MBW_32); + if (usbhs_get_dparam(priv, has_sudmac) && !usbhsf_is_cfifo(priv, fifo)) + usbhs_write(priv, fifo->sel, base); + else + usbhs_write(priv, fifo->sel, base | MBW_32); /* check ISEL and CURPIPE value */ while (timeout--) { @@ -762,9 +765,9 @@ static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map) } static void usbhsf_dma_complete(void *arg); -static void usbhsf_dma_prepare_tasklet(unsigned long data) +static void xfer_work(struct work_struct *work) { - struct usbhs_pkt *pkt = (struct usbhs_pkt *)data; + struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work); struct usbhs_pipe *pipe = pkt->pipe; struct usbhs_fifo *fifo = usbhs_pipe_to_fifo(pipe); struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); @@ -844,11 +847,8 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; - tasklet_init(&fifo->tasklet, - usbhsf_dma_prepare_tasklet, - (unsigned long)pkt); - - tasklet_schedule(&fifo->tasklet); + INIT_WORK(&pkt->work, xfer_work); + schedule_work(&pkt->work); return 0; @@ -938,11 +938,8 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; - tasklet_init(&fifo->tasklet, - usbhsf_dma_prepare_tasklet, - (unsigned long)pkt); - - tasklet_schedule(&fifo->tasklet); + INIT_WORK(&pkt->work, xfer_work); + schedule_work(&pkt->work); return 0; diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index f68609c0f48..c31731a843d 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -19,6 +19,7 @@ #include <linux/interrupt.h> #include <linux/sh_dma.h> +#include <linux/workqueue.h> #include <asm/dma.h> #include "pipe.h" @@ -31,7 +32,6 @@ struct usbhs_fifo { u32 ctr; /* xFIFOCTR */ struct usbhs_pipe *pipe; - struct tasklet_struct tasklet; struct dma_chan *tx_chan; struct dma_chan *rx_chan; @@ -53,6 +53,7 @@ struct usbhs_pkt { struct usbhs_pkt_handle *handler; void (*done)(struct usbhs_priv *priv, struct usbhs_pkt *pkt); + struct work_struct work; dma_addr_t dma; void *buf; int length; diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index 1b97fb12694..0871e816df4 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -152,7 +152,7 @@ int usbhs_mod_probe(struct usbhs_priv *priv) /* irq settings */ ret = request_irq(priv->irq, usbhs_interrupt, - 0, dev_name(dev), priv); + priv->irqflags, dev_name(dev), priv); if (ret) { dev_err(dev, "irq request err\n"); goto mod_init_gadget_err; diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 7542aa94a46..00bd2a5e036 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -165,69 +165,32 @@ static void usbhsg_queue_push(struct usbhsg_uep *uep, /* * dma map/unmap */ -static int usbhsg_dma_map(struct device *dev, - struct usbhs_pkt *pkt, - enum dma_data_direction dir) -{ - struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt); - struct usb_request *req = &ureq->req; - - if (pkt->dma != DMA_ADDR_INVALID) { - dev_err(dev, "dma is already mapped\n"); - return -EIO; - } - - if (req->dma == DMA_ADDR_INVALID) { - pkt->dma = dma_map_single(dev, pkt->buf, pkt->length, dir); - } else { - dma_sync_single_for_device(dev, req->dma, req->length, dir); - pkt->dma = req->dma; - } - - if (dma_mapping_error(dev, pkt->dma)) { - dev_err(dev, "dma mapping error %llx\n", (u64)pkt->dma); - return -EIO; - } - - return 0; -} - -static int usbhsg_dma_unmap(struct device *dev, - struct usbhs_pkt *pkt, - enum dma_data_direction dir) +static int usbhsg_dma_map_ctrl(struct usbhs_pkt *pkt, int map) { struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt); struct usb_request *req = &ureq->req; - - if (pkt->dma == DMA_ADDR_INVALID) { - dev_err(dev, "dma is not mapped\n"); - return -EIO; - } - - if (req->dma == DMA_ADDR_INVALID) - dma_unmap_single(dev, pkt->dma, pkt->length, dir); - else - dma_sync_single_for_cpu(dev, req->dma, req->length, dir); - - pkt->dma = DMA_ADDR_INVALID; - - return 0; -} - -static int usbhsg_dma_map_ctrl(struct usbhs_pkt *pkt, int map) -{ struct usbhs_pipe *pipe = pkt->pipe; struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe); struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); - struct device *dev = usbhsg_gpriv_to_dev(gpriv); enum dma_data_direction dir; + int ret = 0; - dir = usbhs_pipe_is_dir_in(pipe) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; + dir = usbhs_pipe_is_dir_host(pipe); - if (map) - return usbhsg_dma_map(dev, pkt, dir); - else - return usbhsg_dma_unmap(dev, pkt, dir); + if (map) { + /* it can not use scatter/gather */ + WARN_ON(req->num_sgs); + + ret = usb_gadget_map_request(&gpriv->gadget, req, dir); + if (ret < 0) + return ret; + + pkt->dma = req->dma; + } else { + usb_gadget_unmap_request(&gpriv->gadget, req, dir); + } + + return ret; } /* @@ -657,8 +620,6 @@ static struct usb_request *usbhsg_ep_alloc_request(struct usb_ep *ep, usbhs_pkt_init(usbhsg_ureq_to_pkt(ureq)); - ureq->req.dma = DMA_ADDR_INVALID; - return &ureq->req; } @@ -941,6 +902,11 @@ static int usbhsg_stop(struct usbhs_priv *priv) return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED); } +static void usbhs_mod_gadget_release(struct device *pdev) +{ + /* do nothing */ +} + int usbhs_mod_gadget_probe(struct usbhs_priv *priv) { struct usbhsg_gpriv *gpriv; @@ -989,6 +955,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) */ dev_set_name(&gpriv->gadget.dev, "gadget"); gpriv->gadget.dev.parent = dev; + gpriv->gadget.dev.release = usbhs_mod_gadget_release; gpriv->gadget.name = "renesas_usbhs_udc"; gpriv->gadget.ops = &usbhsg_gadget_ops; gpriv->gadget.max_speed = USB_SPEED_HIGH; diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 677f577c024..7141d659906 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -238,6 +238,15 @@ config USB_SERIAL_EDGEPORT_TI To compile this driver as a module, choose M here: the module will be called io_ti. +config USB_SERIAL_F81232 + tristate "USB Fintek F81232 Single Port Serial Driver" + help + Say Y here if you want to use the Fintek F81232 single + port usb to serial adapter. + + To compile this driver as a module, choose M here: the + module will be called f81232. + config USB_SERIAL_GARMIN tristate "USB Garmin GPS driver" help @@ -417,6 +426,14 @@ config USB_SERIAL_MCT_U232 To compile this driver as a module, choose M here: the module will be called mct_u232. +config USB_SERIAL_METRO + tristate "USB Metrologic Instruments USB-POS Barcode Scanner Driver" + ---help--- + Say Y here if you want to use a USB POS Metrologic barcode scanner. + + To compile this driver as a module, choose M here: the + module will be called metro-usb. + config USB_SERIAL_MOS7720 tristate "USB Moschip 7720 Serial Driver" ---help--- diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index 9e536eefb32..07f198ee048 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_USB_SERIAL_DIGI_ACCELEPORT) += digi_acceleport.o obj-$(CONFIG_USB_SERIAL_EDGEPORT) += io_edgeport.o obj-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += io_ti.o obj-$(CONFIG_USB_SERIAL_EMPEG) += empeg.o +obj-$(CONFIG_USB_SERIAL_F81232) += f81232.o obj-$(CONFIG_USB_SERIAL_FTDI_SIO) += ftdi_sio.o obj-$(CONFIG_USB_SERIAL_FUNSOFT) += funsoft.o obj-$(CONFIG_USB_SERIAL_GARMIN) += garmin_gps.o @@ -36,6 +37,7 @@ obj-$(CONFIG_USB_SERIAL_KEYSPAN_PDA) += keyspan_pda.o obj-$(CONFIG_USB_SERIAL_KLSI) += kl5kusb105.o obj-$(CONFIG_USB_SERIAL_KOBIL_SCT) += kobil_sct.o obj-$(CONFIG_USB_SERIAL_MCT_U232) += mct_u232.o +obj-$(CONFIG_USB_SERIAL_METRO) += metro-usb.o obj-$(CONFIG_USB_SERIAL_MOS7720) += mos7720.o obj-$(CONFIG_USB_SERIAL_MOS7840) += mos7840.o obj-$(CONFIG_USB_SERIAL_MOTOROLA) += moto_modem.o diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 123bf915533..eec4fb9a35c 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -175,7 +175,6 @@ static struct usb_driver aircable_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver aircable_device = { @@ -183,7 +182,6 @@ static struct usb_serial_driver aircable_device = { .owner = THIS_MODULE, .name = "aircable", }, - .usb_driver = &aircable_driver, .id_table = id_table, .num_ports = 1, .bulk_out_size = HCI_COMPLETE_FRAME, @@ -194,36 +192,16 @@ static struct usb_serial_driver aircable_device = { .unthrottle = usb_serial_generic_unthrottle, }; -static int __init aircable_init(void) -{ - int retval; - retval = usb_serial_register(&aircable_device); - if (retval) - goto failed_serial_register; - retval = usb_register(&aircable_driver); - if (retval) - goto failed_usb_register; - return 0; - -failed_usb_register: - usb_serial_deregister(&aircable_device); -failed_serial_register: - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &aircable_device, NULL +}; -static void __exit aircable_exit(void) -{ - usb_deregister(&aircable_driver); - usb_serial_deregister(&aircable_device); -} +module_usb_serial_driver(aircable_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); MODULE_LICENSE("GPL"); -module_init(aircable_init); -module_exit(aircable_exit); - module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug enabled or not"); diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 69328dcfd91..f99f47100dd 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -719,7 +719,6 @@ static struct usb_driver ark3116_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver ark3116_device = { @@ -728,7 +727,6 @@ static struct usb_serial_driver ark3116_device = { .name = "ark3116", }, .id_table = id_table, - .usb_driver = &ark3116_driver, .num_ports = 1, .attach = ark3116_attach, .release = ark3116_release, @@ -745,32 +743,12 @@ static struct usb_serial_driver ark3116_device = { .process_read_urb = ark3116_process_read_urb, }; -static int __init ark3116_init(void) -{ - int retval; - - retval = usb_serial_register(&ark3116_device); - if (retval) - return retval; - retval = usb_register(&ark3116_driver); - if (retval == 0) { - printk(KERN_INFO "%s:" - DRIVER_VERSION ":" - DRIVER_DESC "\n", - KBUILD_MODNAME); - } else - usb_serial_deregister(&ark3116_device); - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &ark3116_device, NULL +}; -static void __exit ark3116_exit(void) -{ - usb_deregister(&ark3116_driver); - usb_serial_deregister(&ark3116_device); -} +module_usb_serial_driver(ark3116_driver, serial_drivers); -module_init(ark3116_init); -module_exit(ark3116_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR(DRIVER_AUTHOR); diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c index 29ffeb6279c..a52e0d2cec3 100644 --- a/drivers/usb/serial/belkin_sa.c +++ b/drivers/usb/serial/belkin_sa.c @@ -78,7 +78,6 @@ static struct usb_driver belkin_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; /* All of the device info needed for the serial converters */ @@ -88,7 +87,6 @@ static struct usb_serial_driver belkin_device = { .name = "belkin", }, .description = "Belkin / Peracom / GoHubs USB Serial Adapter", - .usb_driver = &belkin_driver, .id_table = id_table_combined, .num_ports = 1, .open = belkin_sa_open, @@ -103,6 +101,10 @@ static struct usb_serial_driver belkin_device = { .release = belkin_sa_release, }; +static struct usb_serial_driver * const serial_drivers[] = { + &belkin_device, NULL +}; + struct belkin_sa_private { spinlock_t lock; unsigned long control_state; @@ -522,34 +524,7 @@ exit: return retval; } - -static int __init belkin_sa_init(void) -{ - int retval; - retval = usb_serial_register(&belkin_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&belkin_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&belkin_device); -failed_usb_serial_register: - return retval; -} - -static void __exit belkin_sa_exit (void) -{ - usb_deregister(&belkin_driver); - usb_serial_deregister(&belkin_device); -} - - -module_init(belkin_sa_init); -module_exit(belkin_sa_exit); +module_usb_serial_driver(belkin_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 5e53cc59e65..aaab32db31d 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -625,7 +625,6 @@ static struct usb_driver ch341_driver = { .resume = usb_serial_resume, .reset_resume = ch341_reset_resume, .id_table = id_table, - .no_dynamic_id = 1, .supports_autosuspend = 1, }; @@ -635,7 +634,6 @@ static struct usb_serial_driver ch341_device = { .name = "ch341-uart", }, .id_table = id_table, - .usb_driver = &ch341_driver, .num_ports = 1, .open = ch341_open, .dtr_rts = ch341_dtr_rts, @@ -650,30 +648,13 @@ static struct usb_serial_driver ch341_device = { .attach = ch341_attach, }; -static int __init ch341_init(void) -{ - int retval; - - retval = usb_serial_register(&ch341_device); - if (retval) - return retval; - retval = usb_register(&ch341_driver); - if (retval) - usb_serial_deregister(&ch341_device); - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &ch341_device, NULL +}; -static void __exit ch341_exit(void) -{ - usb_deregister(&ch341_driver); - usb_serial_deregister(&ch341_device); -} +module_usb_serial_driver(ch341_driver, serial_drivers); -module_init(ch341_init); -module_exit(ch341_exit); MODULE_LICENSE("GPL"); module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug enabled or not"); - -/* EOF ch341.c */ diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 08a5575724c..0310e2df59f 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -49,6 +49,7 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, unsigned int, unsigned int); static void cp210x_break_ctl(struct tty_struct *, int); static int cp210x_startup(struct usb_serial *); +static void cp210x_release(struct usb_serial *); static void cp210x_dtr_rts(struct usb_serial_port *p, int on); static bool debug; @@ -121,6 +122,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ + { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ + { USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */ { USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */ { USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */ @@ -149,12 +152,15 @@ static const struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); +struct cp210x_port_private { + __u8 bInterfaceNumber; +}; + static struct usb_driver cp210x_driver = { .name = "cp210x", .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver cp210x_device = { @@ -162,7 +168,6 @@ static struct usb_serial_driver cp210x_device = { .owner = THIS_MODULE, .name = "cp210x", }, - .usb_driver = &cp210x_driver, .id_table = id_table, .num_ports = 1, .bulk_in_size = 256, @@ -174,9 +179,14 @@ static struct usb_serial_driver cp210x_device = { .tiocmget = cp210x_tiocmget, .tiocmset = cp210x_tiocmset, .attach = cp210x_startup, + .release = cp210x_release, .dtr_rts = cp210x_dtr_rts }; +static struct usb_serial_driver * const serial_drivers[] = { + &cp210x_device, NULL +}; + /* Config request types */ #define REQTYPE_HOST_TO_DEVICE 0x41 #define REQTYPE_DEVICE_TO_HOST 0xc1 @@ -261,6 +271,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request, unsigned int *data, int size) { struct usb_serial *serial = port->serial; + struct cp210x_port_private *port_priv = usb_get_serial_port_data(port); __le32 *buf; int result, i, length; @@ -276,7 +287,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request, /* Issue the request, attempting to read 'size' bytes */ result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), request, REQTYPE_DEVICE_TO_HOST, 0x0000, - 0, buf, size, 300); + port_priv->bInterfaceNumber, buf, size, 300); /* Convert data into an array of integers */ for (i = 0; i < length; i++) @@ -286,7 +297,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request, if (result != size) { dbg("%s - Unable to send config request, " - "request=0x%x size=%d result=%d\n", + "request=0x%x size=%d result=%d", __func__, request, size, result); if (result > 0) result = -EPROTO; @@ -307,6 +318,7 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request, unsigned int *data, int size) { struct usb_serial *serial = port->serial; + struct cp210x_port_private *port_priv = usb_get_serial_port_data(port); __le32 *buf; int result, i, length; @@ -328,19 +340,19 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request, result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), request, REQTYPE_HOST_TO_DEVICE, 0x0000, - 0, buf, size, 300); + port_priv->bInterfaceNumber, buf, size, 300); } else { result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), request, REQTYPE_HOST_TO_DEVICE, data[0], - 0, NULL, 0, 300); + port_priv->bInterfaceNumber, NULL, 0, 300); } kfree(buf); if ((size > 2 && result != size) || result < 0) { dbg("%s - Unable to send request, " - "request=0x%x size=%d result=%d\n", + "request=0x%x size=%d result=%d", __func__, request, size, result); if (result > 0) result = -EPROTO; @@ -683,13 +695,13 @@ static void cp210x_set_termios(struct tty_struct *tty, default: dbg("cp210x driver does not " "support the number of bits requested," - " using 8 bit mode\n"); + " using 8 bit mode"); bits |= BITS_DATA_8; break; } if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2)) dbg("Number of data bits requested " - "not supported by device\n"); + "not supported by device"); } if ((cflag & (PARENB|PARODD|CMSPAR)) != @@ -716,8 +728,7 @@ static void cp210x_set_termios(struct tty_struct *tty, } } if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2)) - dbg("Parity mode not supported " - "by device\n"); + dbg("Parity mode not supported by device"); } if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) { @@ -732,7 +743,7 @@ static void cp210x_set_termios(struct tty_struct *tty, } if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2)) dbg("Number of stop bits requested " - "not supported by device\n"); + "not supported by device"); } if ((cflag & CRTSCTS) != (old_cflag & CRTSCTS)) { @@ -844,40 +855,40 @@ static void cp210x_break_ctl (struct tty_struct *tty, int break_state) static int cp210x_startup(struct usb_serial *serial) { + struct cp210x_port_private *port_priv; + int i; + /* cp210x buffers behave strangely unless device is reset */ usb_reset_device(serial->dev); - return 0; -} -static int __init cp210x_init(void) -{ - int retval; + for (i = 0; i < serial->num_ports; i++) { + port_priv = kzalloc(sizeof(*port_priv), GFP_KERNEL); + if (!port_priv) + return -ENOMEM; - retval = usb_serial_register(&cp210x_device); - if (retval) - return retval; /* Failed to register */ + memset(port_priv, 0x00, sizeof(*port_priv)); + port_priv->bInterfaceNumber = + serial->interface->cur_altsetting->desc.bInterfaceNumber; - retval = usb_register(&cp210x_driver); - if (retval) { - /* Failed to register */ - usb_serial_deregister(&cp210x_device); - return retval; + usb_set_serial_port_data(serial->port[i], port_priv); } - /* Success */ - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); return 0; } -static void __exit cp210x_exit(void) +static void cp210x_release(struct usb_serial *serial) { - usb_deregister(&cp210x_driver); - usb_serial_deregister(&cp210x_device); + struct cp210x_port_private *port_priv; + int i; + + for (i = 0; i < serial->num_ports; i++) { + port_priv = usb_get_serial_port_data(serial->port[i]); + kfree(port_priv); + usb_set_serial_port_data(serial->port[i], NULL); + } } -module_init(cp210x_init); -module_exit(cp210x_exit); +module_usb_serial_driver(cp210x_driver, serial_drivers); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 6bc3802a581..d39b9418f2f 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -82,7 +82,6 @@ static struct usb_driver cyberjack_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver cyberjack_device = { @@ -91,7 +90,6 @@ static struct usb_serial_driver cyberjack_device = { .name = "cyberjack", }, .description = "Reiner SCT Cyberjack USB card reader", - .usb_driver = &cyberjack_driver, .id_table = id_table, .num_ports = 1, .attach = cyberjack_startup, @@ -106,6 +104,10 @@ static struct usb_serial_driver cyberjack_device = { .write_bulk_callback = cyberjack_write_bulk_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &cyberjack_device, NULL +}; + struct cyberjack_private { spinlock_t lock; /* Lock for SMP */ short rdtodo; /* Bytes still to read */ @@ -473,35 +475,7 @@ exit: usb_serial_port_softint(port); } -static int __init cyberjack_init(void) -{ - int retval; - retval = usb_serial_register(&cyberjack_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&cyberjack_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION " " - DRIVER_AUTHOR "\n"); - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); - - return 0; -failed_usb_register: - usb_serial_deregister(&cyberjack_device); -failed_usb_serial_register: - return retval; -} - -static void __exit cyberjack_exit(void) -{ - usb_deregister(&cyberjack_driver); - usb_serial_deregister(&cyberjack_device); -} - -module_init(cyberjack_init); -module_exit(cyberjack_exit); +module_usb_serial_driver(cyberjack_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 3bdeafa29c2..afc886c75d2 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -94,7 +94,6 @@ static struct usb_driver cypress_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; enum packet_format { @@ -163,7 +162,6 @@ static struct usb_serial_driver cypress_earthmate_device = { .name = "earthmate", }, .description = "DeLorme Earthmate USB", - .usb_driver = &cypress_driver, .id_table = id_table_earthmate, .num_ports = 1, .attach = cypress_earthmate_startup, @@ -190,7 +188,6 @@ static struct usb_serial_driver cypress_hidcom_device = { .name = "cyphidcom", }, .description = "HID->COM RS232 Adapter", - .usb_driver = &cypress_driver, .id_table = id_table_cyphidcomrs232, .num_ports = 1, .attach = cypress_hidcom_startup, @@ -217,7 +214,6 @@ static struct usb_serial_driver cypress_ca42v2_device = { .name = "nokiaca42v2", }, .description = "Nokia CA-42 V2 Adapter", - .usb_driver = &cypress_driver, .id_table = id_table_nokiaca42v2, .num_ports = 1, .attach = cypress_ca42v2_startup, @@ -238,6 +234,11 @@ static struct usb_serial_driver cypress_ca42v2_device = { .write_int_callback = cypress_write_int_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &cypress_earthmate_device, &cypress_hidcom_device, + &cypress_ca42v2_device, NULL +}; + /***************************************************************************** * Cypress serial helper functions *****************************************************************************/ @@ -800,7 +801,7 @@ send: cypress_write_int_callback, port, priv->write_urb_interval); result = usb_submit_urb(port->interrupt_out_urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, + dev_err_console(port, "%s - failed submitting write urb, error %d\n", __func__, result); priv->write_urb_in_use = 0; @@ -1345,58 +1346,7 @@ static void cypress_write_int_callback(struct urb *urb) cypress_send(port); } - -/***************************************************************************** - * Module functions - *****************************************************************************/ - -static int __init cypress_init(void) -{ - int retval; - - dbg("%s", __func__); - - retval = usb_serial_register(&cypress_earthmate_device); - if (retval) - goto failed_em_register; - retval = usb_serial_register(&cypress_hidcom_device); - if (retval) - goto failed_hidcom_register; - retval = usb_serial_register(&cypress_ca42v2_device); - if (retval) - goto failed_ca42v2_register; - retval = usb_register(&cypress_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; - -failed_usb_register: - usb_serial_deregister(&cypress_ca42v2_device); -failed_ca42v2_register: - usb_serial_deregister(&cypress_hidcom_device); -failed_hidcom_register: - usb_serial_deregister(&cypress_earthmate_device); -failed_em_register: - return retval; -} - - -static void __exit cypress_exit(void) -{ - dbg("%s", __func__); - - usb_deregister(&cypress_driver); - usb_serial_deregister(&cypress_earthmate_device); - usb_serial_deregister(&cypress_hidcom_device); - usb_serial_deregister(&cypress_ca42v2_device); -} - - -module_init(cypress_init); -module_exit(cypress_exit); +module_usb_serial_driver(cypress_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index b23bebd721a..999f91bf70d 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -276,7 +276,6 @@ static struct usb_driver digi_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; @@ -288,7 +287,6 @@ static struct usb_serial_driver digi_acceleport_2_device = { .name = "digi_2", }, .description = "Digi 2 port USB adapter", - .usb_driver = &digi_driver, .id_table = id_table_2, .num_ports = 3, .open = digi_open, @@ -316,7 +314,6 @@ static struct usb_serial_driver digi_acceleport_4_device = { .name = "digi_4", }, .description = "Digi 4 port USB adapter", - .usb_driver = &digi_driver, .id_table = id_table_4, .num_ports = 4, .open = digi_open, @@ -337,6 +334,9 @@ static struct usb_serial_driver digi_acceleport_4_device = { .release = digi_release, }; +static struct usb_serial_driver * const serial_drivers[] = { + &digi_acceleport_2_device, &digi_acceleport_4_device, NULL +}; /* Functions */ @@ -995,7 +995,7 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port, /* return length of new data written, or error */ spin_unlock_irqrestore(&priv->dp_port_lock, flags); if (ret < 0) - dev_err(&port->dev, + dev_err_console(port, "%s: usb_submit_urb failed, ret=%d, port=%d\n", __func__, ret, priv->dp_port_num); dbg("digi_write: returning %d", ret); @@ -1065,7 +1065,7 @@ static void digi_write_bulk_callback(struct urb *urb) spin_unlock(&priv->dp_port_lock); if (ret && ret != -EPERM) - dev_err(&port->dev, + dev_err_console(port, "%s: usb_submit_urb failed, ret=%d, port=%d\n", __func__, ret, priv->dp_port_num); } @@ -1580,40 +1580,7 @@ static int digi_read_oob_callback(struct urb *urb) } -static int __init digi_init(void) -{ - int retval; - retval = usb_serial_register(&digi_acceleport_2_device); - if (retval) - goto failed_acceleport_2_device; - retval = usb_serial_register(&digi_acceleport_4_device); - if (retval) - goto failed_acceleport_4_device; - retval = usb_register(&digi_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&digi_acceleport_4_device); -failed_acceleport_4_device: - usb_serial_deregister(&digi_acceleport_2_device); -failed_acceleport_2_device: - return retval; -} - -static void __exit digi_exit (void) -{ - usb_deregister(&digi_driver); - usb_serial_deregister(&digi_acceleport_2_device); - usb_serial_deregister(&digi_acceleport_4_device); -} - - -module_init(digi_init); -module_exit(digi_exit); - +module_usb_serial_driver(digi_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index aced6817bf9..5b99fc09e32 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -56,7 +56,6 @@ static struct usb_driver empeg_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver empeg_device = { @@ -65,7 +64,6 @@ static struct usb_serial_driver empeg_device = { .name = "empeg", }, .id_table = id_table, - .usb_driver = &empeg_driver, .num_ports = 1, .bulk_out_size = 256, .throttle = usb_serial_generic_throttle, @@ -74,6 +72,10 @@ static struct usb_serial_driver empeg_device = { .init_termios = empeg_init_termios, }; +static struct usb_serial_driver * const serial_drivers[] = { + &empeg_device, NULL +}; + static int empeg_startup(struct usb_serial *serial) { int r; @@ -136,33 +138,7 @@ static void empeg_init_termios(struct tty_struct *tty) tty_encode_baud_rate(tty, 115200, 115200); } -static int __init empeg_init(void) -{ - int retval; - - retval = usb_serial_register(&empeg_device); - if (retval) - return retval; - retval = usb_register(&empeg_driver); - if (retval) { - usb_serial_deregister(&empeg_device); - return retval; - } - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; -} - -static void __exit empeg_exit(void) -{ - usb_deregister(&empeg_driver); - usb_serial_deregister(&empeg_device); -} - - -module_init(empeg_init); -module_exit(empeg_exit); +module_usb_serial_driver(empeg_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c new file mode 100644 index 00000000000..88c0b196392 --- /dev/null +++ b/drivers/usb/serial/f81232.c @@ -0,0 +1,405 @@ +/* + * Fintek F81232 USB to serial adaptor driver + * + * Copyright (C) 2012 Greg Kroah-Hartman (gregkh@linuxfoundation.org) + * Copyright (C) 2012 Linux Foundation + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/tty.h> +#include <linux/tty_driver.h> +#include <linux/tty_flip.h> +#include <linux/serial.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/spinlock.h> +#include <linux/uaccess.h> +#include <linux/usb.h> +#include <linux/usb/serial.h> + +static bool debug; + +static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x1934, 0x0706) }, + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, id_table); + +#define CONTROL_DTR 0x01 +#define CONTROL_RTS 0x02 + +#define UART_STATE 0x08 +#define UART_STATE_TRANSIENT_MASK 0x74 +#define UART_DCD 0x01 +#define UART_DSR 0x02 +#define UART_BREAK_ERROR 0x04 +#define UART_RING 0x08 +#define UART_FRAME_ERROR 0x10 +#define UART_PARITY_ERROR 0x20 +#define UART_OVERRUN_ERROR 0x40 +#define UART_CTS 0x80 + +struct f81232_private { + spinlock_t lock; + wait_queue_head_t delta_msr_wait; + u8 line_control; + u8 line_status; +}; + +static void f81232_update_line_status(struct usb_serial_port *port, + unsigned char *data, + unsigned int actual_length) +{ +} + +static void f81232_read_int_callback(struct urb *urb) +{ + struct usb_serial_port *port = urb->context; + unsigned char *data = urb->transfer_buffer; + unsigned int actual_length = urb->actual_length; + int status = urb->status; + int retval; + + dbg("%s (%d)", __func__, port->number); + + switch (status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", __func__, + status); + return; + default: + dbg("%s - nonzero urb status received: %d", __func__, + status); + goto exit; + } + + usb_serial_debug_data(debug, &port->dev, __func__, + urb->actual_length, urb->transfer_buffer); + + f81232_update_line_status(port, data, actual_length); + +exit: + retval = usb_submit_urb(urb, GFP_ATOMIC); + if (retval) + dev_err(&urb->dev->dev, + "%s - usb_submit_urb failed with result %d\n", + __func__, retval); +} + +static void f81232_process_read_urb(struct urb *urb) +{ + struct usb_serial_port *port = urb->context; + struct f81232_private *priv = usb_get_serial_port_data(port); + struct tty_struct *tty; + unsigned char *data = urb->transfer_buffer; + char tty_flag = TTY_NORMAL; + unsigned long flags; + u8 line_status; + int i; + + /* update line status */ + spin_lock_irqsave(&priv->lock, flags); + line_status = priv->line_status; + priv->line_status &= ~UART_STATE_TRANSIENT_MASK; + spin_unlock_irqrestore(&priv->lock, flags); + wake_up_interruptible(&priv->delta_msr_wait); + + if (!urb->actual_length) + return; + + tty = tty_port_tty_get(&port->port); + if (!tty) + return; + + /* break takes precedence over parity, */ + /* which takes precedence over framing errors */ + if (line_status & UART_BREAK_ERROR) + tty_flag = TTY_BREAK; + else if (line_status & UART_PARITY_ERROR) + tty_flag = TTY_PARITY; + else if (line_status & UART_FRAME_ERROR) + tty_flag = TTY_FRAME; + dbg("%s - tty_flag = %d", __func__, tty_flag); + + /* overrun is special, not associated with a char */ + if (line_status & UART_OVERRUN_ERROR) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); + + if (port->port.console && port->sysrq) { + for (i = 0; i < urb->actual_length; ++i) + if (!usb_serial_handle_sysrq_char(port, data[i])) + tty_insert_flip_char(tty, data[i], tty_flag); + } else { + tty_insert_flip_string_fixed_flag(tty, data, tty_flag, + urb->actual_length); + } + + tty_flip_buffer_push(tty); + tty_kref_put(tty); +} + +static int set_control_lines(struct usb_device *dev, u8 value) +{ + /* FIXME - Stubbed out for now */ + return 0; +} + +static void f81232_break_ctl(struct tty_struct *tty, int break_state) +{ + /* FIXME - Stubbed out for now */ + + /* + * break_state = -1 to turn on break, and 0 to turn off break + * see drivers/char/tty_io.c to see it used. + * last_set_data_urb_value NEVER has the break bit set in it. + */ +} + +static void f81232_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios) +{ + /* FIXME - Stubbed out for now */ + + /* Don't change anything if nothing has changed */ + if (!tty_termios_hw_change(tty->termios, old_termios)) + return; + + /* Do the real work here... */ +} + +static int f81232_tiocmget(struct tty_struct *tty) +{ + /* FIXME - Stubbed out for now */ + return 0; +} + +static int f81232_tiocmset(struct tty_struct *tty, + unsigned int set, unsigned int clear) +{ + /* FIXME - Stubbed out for now */ + return 0; +} + +static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port) +{ + struct ktermios tmp_termios; + int result; + + /* Setup termios */ + if (tty) + f81232_set_termios(tty, port, &tmp_termios); + + dbg("%s - submitting interrupt urb", __func__); + result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); + if (result) { + dev_err(&port->dev, "%s - failed submitting interrupt urb," + " error %d\n", __func__, result); + return result; + } + + result = usb_serial_generic_open(tty, port); + if (result) { + usb_kill_urb(port->interrupt_in_urb); + return result; + } + + port->port.drain_delay = 256; + return 0; +} + +static void f81232_close(struct usb_serial_port *port) +{ + usb_serial_generic_close(port); + usb_kill_urb(port->interrupt_in_urb); +} + +static void f81232_dtr_rts(struct usb_serial_port *port, int on) +{ + struct f81232_private *priv = usb_get_serial_port_data(port); + unsigned long flags; + u8 control; + + spin_lock_irqsave(&priv->lock, flags); + /* Change DTR and RTS */ + if (on) + priv->line_control |= (CONTROL_DTR | CONTROL_RTS); + else + priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); + control = priv->line_control; + spin_unlock_irqrestore(&priv->lock, flags); + set_control_lines(port->serial->dev, control); +} + +static int f81232_carrier_raised(struct usb_serial_port *port) +{ + struct f81232_private *priv = usb_get_serial_port_data(port); + if (priv->line_status & UART_DCD) + return 1; + return 0; +} + +static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) +{ + struct f81232_private *priv = usb_get_serial_port_data(port); + unsigned long flags; + unsigned int prevstatus; + unsigned int status; + unsigned int changed; + + spin_lock_irqsave(&priv->lock, flags); + prevstatus = priv->line_status; + spin_unlock_irqrestore(&priv->lock, flags); + + while (1) { + interruptible_sleep_on(&priv->delta_msr_wait); + /* see if a signal did it */ + if (signal_pending(current)) + return -ERESTARTSYS; + + spin_lock_irqsave(&priv->lock, flags); + status = priv->line_status; + spin_unlock_irqrestore(&priv->lock, flags); + + changed = prevstatus ^ status; + + if (((arg & TIOCM_RNG) && (changed & UART_RING)) || + ((arg & TIOCM_DSR) && (changed & UART_DSR)) || + ((arg & TIOCM_CD) && (changed & UART_DCD)) || + ((arg & TIOCM_CTS) && (changed & UART_CTS))) { + return 0; + } + prevstatus = status; + } + /* NOTREACHED */ + return 0; +} + +static int f81232_ioctl(struct tty_struct *tty, + unsigned int cmd, unsigned long arg) +{ + struct serial_struct ser; + struct usb_serial_port *port = tty->driver_data; + dbg("%s (%d) cmd = 0x%04x", __func__, port->number, cmd); + + switch (cmd) { + case TIOCGSERIAL: + memset(&ser, 0, sizeof ser); + ser.type = PORT_16654; + ser.line = port->serial->minor; + ser.port = port->number; + ser.baud_base = 460800; + + if (copy_to_user((void __user *)arg, &ser, sizeof ser)) + return -EFAULT; + + return 0; + + case TIOCMIWAIT: + dbg("%s (%d) TIOCMIWAIT", __func__, port->number); + return wait_modem_info(port, arg); + default: + dbg("%s not supported = 0x%04x", __func__, cmd); + break; + } + return -ENOIOCTLCMD; +} + +static int f81232_startup(struct usb_serial *serial) +{ + struct f81232_private *priv; + int i; + + for (i = 0; i < serial->num_ports; ++i) { + priv = kzalloc(sizeof(struct f81232_private), GFP_KERNEL); + if (!priv) + goto cleanup; + spin_lock_init(&priv->lock); + init_waitqueue_head(&priv->delta_msr_wait); + usb_set_serial_port_data(serial->port[i], priv); + } + return 0; + +cleanup: + for (--i; i >= 0; --i) { + priv = usb_get_serial_port_data(serial->port[i]); + kfree(priv); + usb_set_serial_port_data(serial->port[i], NULL); + } + return -ENOMEM; +} + +static void f81232_release(struct usb_serial *serial) +{ + int i; + struct f81232_private *priv; + + for (i = 0; i < serial->num_ports; ++i) { + priv = usb_get_serial_port_data(serial->port[i]); + kfree(priv); + } +} + +static struct usb_driver f81232_driver = { + .name = "f81232", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table, + .suspend = usb_serial_suspend, + .resume = usb_serial_resume, + .no_dynamic_id = 1, + .supports_autosuspend = 1, +}; + +static struct usb_serial_driver f81232_device = { + .driver = { + .owner = THIS_MODULE, + .name = "f81232", + }, + .id_table = id_table, + .usb_driver = &f81232_driver, + .num_ports = 1, + .bulk_in_size = 256, + .bulk_out_size = 256, + .open = f81232_open, + .close = f81232_close, + .dtr_rts = f81232_dtr_rts, + .carrier_raised = f81232_carrier_raised, + .ioctl = f81232_ioctl, + .break_ctl = f81232_break_ctl, + .set_termios = f81232_set_termios, + .tiocmget = f81232_tiocmget, + .tiocmset = f81232_tiocmset, + .process_read_urb = f81232_process_read_urb, + .read_int_callback = f81232_read_int_callback, + .attach = f81232_startup, + .release = f81232_release, +}; + +static struct usb_serial_driver * const serial_drivers[] = { + &f81232_device, + NULL, +}; + +module_usb_serial_driver(f81232_driver, serial_drivers); + +MODULE_DESCRIPTION("Fintek F81232 USB to serial adaptor driver"); +MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@linuxfoundation.org"); +MODULE_LICENSE("GPL v2"); + +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug enabled or not"); + diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index f770415305f..7c229d30468 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -188,6 +188,7 @@ static struct usb_device_id id_table_combined [] = { .driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk }, { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) }, { USB_DEVICE(FTDI_VID, FTDI_232H_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FTX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, @@ -536,6 +537,10 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) }, { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) }, { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) }, + { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) }, + { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) }, + { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) }, + { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) }, { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) }, { USB_DEVICE(OCT_VID, OCT_US101_PID) }, { USB_DEVICE(OCT_VID, OCT_DK201_PID) }, @@ -797,7 +802,7 @@ static struct usb_device_id id_table_combined [] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(HORNBY_VID, HORNBY_ELITE_PID) }, + { USB_DEVICE(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID) }, { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) }, { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, @@ -846,6 +851,9 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(ST_VID, ST_STMCLT1030_PID), .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk }, { USB_DEVICE(FTDI_VID, FTDI_RF_R106) }, + { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -857,7 +865,6 @@ static struct usb_driver ftdi_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; static const char *ftdi_chip_name[] = { @@ -868,7 +875,8 @@ static const char *ftdi_chip_name[] = { [FT232RL] = "FT232RL", [FT2232H] = "FT2232H", [FT4232H] = "FT4232H", - [FT232H] = "FT232H" + [FT232H] = "FT232H", + [FTX] = "FT-X" }; @@ -915,7 +923,6 @@ static struct usb_serial_driver ftdi_sio_device = { .name = "ftdi_sio", }, .description = "FTDI USB Serial Device", - .usb_driver = &ftdi_driver, .id_table = id_table_combined, .num_ports = 1, .bulk_in_size = 512, @@ -938,6 +945,10 @@ static struct usb_serial_driver ftdi_sio_device = { .break_ctl = ftdi_break_ctl, }; +static struct usb_serial_driver * const serial_drivers[] = { + &ftdi_sio_device, NULL +}; + #define WDR_TIMEOUT 5000 /* default urb timeout */ #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */ @@ -1169,7 +1180,8 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, break; case FT232BM: /* FT232BM chip */ case FT2232C: /* FT2232C chip */ - case FT232RL: + case FT232RL: /* FT232RL chip */ + case FTX: /* FT-X series */ if (baud <= 3000000) { __u16 product_id = le16_to_cpu( port->serial->dev->descriptor.idProduct); @@ -1458,10 +1470,14 @@ static void ftdi_determine_type(struct usb_serial_port *port) } else if (version < 0x900) { /* Assume it's an FT232RL */ priv->chip_type = FT232RL; - } else { + } else if (version < 0x1000) { /* Assume it's an FT232H */ priv->chip_type = FT232H; + } else { + /* Assume it's an FT-X series device */ + priv->chip_type = FTX; } + dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]); } @@ -1589,7 +1605,8 @@ static int create_sysfs_attrs(struct usb_serial_port *port) priv->chip_type == FT232RL || priv->chip_type == FT2232H || priv->chip_type == FT4232H || - priv->chip_type == FT232H)) { + priv->chip_type == FT232H || + priv->chip_type == FTX)) { retval = device_create_file(&port->dev, &dev_attr_latency_timer); } @@ -1611,7 +1628,8 @@ static void remove_sysfs_attrs(struct usb_serial_port *port) priv->chip_type == FT232RL || priv->chip_type == FT2232H || priv->chip_type == FT4232H || - priv->chip_type == FT232H) { + priv->chip_type == FT232H || + priv->chip_type == FTX) { device_remove_file(&port->dev, &dev_attr_latency_timer); } } @@ -1763,7 +1781,8 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial) dbg("%s", __func__); - if (strcmp(udev->manufacturer, "CALAO Systems") == 0) + if ((udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) || + (udev->product && !strcmp(udev->product, "BeagleBone/XDS100"))) return ftdi_jtag_probe(serial); return 0; @@ -2288,6 +2307,7 @@ static int ftdi_tiocmget(struct tty_struct *tty) case FT2232H: case FT4232H: case FT232H: + case FTX: len = 2; break; default: @@ -2420,19 +2440,10 @@ static int __init ftdi_init(void) id_table_combined[i].idVendor = vendor; id_table_combined[i].idProduct = product; } - retval = usb_serial_register(&ftdi_sio_device); - if (retval) - goto failed_sio_register; - retval = usb_register(&ftdi_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&ftdi_sio_device); -failed_sio_register: + retval = usb_serial_register_drivers(&ftdi_driver, serial_drivers); + if (retval == 0) + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return retval; } @@ -2440,8 +2451,7 @@ static void __exit ftdi_exit(void) { dbg("%s", __func__); - usb_deregister(&ftdi_driver); - usb_serial_deregister(&ftdi_sio_device); + usb_serial_deregister_drivers(&ftdi_driver, serial_drivers); } diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index 19584faa86f..ed58c6fa8db 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -157,7 +157,8 @@ enum ftdi_chip_type { FT232RL = 5, FT2232H = 6, FT4232H = 7, - FT232H = 8 + FT232H = 8, + FTX = 9, }; enum ftdi_sio_baudrate { diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 6f6058f0db1..0838baf892f 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -23,12 +23,15 @@ #define FTDI_8U2232C_PID 0x6010 /* Dual channel device */ #define FTDI_4232H_PID 0x6011 /* Quad channel hi-speed device */ #define FTDI_232H_PID 0x6014 /* Single channel hi-speed device */ +#define FTDI_FTX_PID 0x6015 /* FT-X series (FT201X, FT230X, FT231X, etc) */ #define FTDI_SIO_PID 0x8372 /* Product Id SIO application of 8U100AX */ #define FTDI_232RL_PID 0xFBFA /* Product ID for FT232RL */ /*** third-party PIDs (using FTDI_VID) ***/ +#define FTDI_LUMEL_PD12_PID 0x6002 + /* * Marvell OpenRD Base, Client * http://www.open-rd.org @@ -97,6 +100,8 @@ #define FTDI_TACTRIX_OPENPORT_13S_PID 0xCC49 /* OpenPort 1.3 Subaru */ #define FTDI_TACTRIX_OPENPORT_13U_PID 0xCC4A /* OpenPort 1.3 Universal */ +#define FTDI_DISTORTEC_JTAG_LOCK_PICK_PID 0xCFF8 + /* SCS HF Radio Modems PID's (http://www.scs-ptc.com) */ /* the VID is the standard ftdi vid (FTDI_VID) */ #define FTDI_SCS_DEVICE_0_PID 0xD010 /* SCS PTC-IIusb */ @@ -532,10 +537,14 @@ #define ADI_GNICEPLUS_PID 0xF001 /* - * Hornby Elite + * Microchip Technology, Inc. + * + * MICROCHIP_VID (0x04D8) and MICROCHIP_USB_BOARD_PID (0x000A) are also used by: + * Hornby Elite - Digital Command Control Console + * http://www.hornby.com/hornby-dcc/controllers/ */ -#define HORNBY_VID 0x04D8 -#define HORNBY_ELITE_PID 0x000A +#define MICROCHIP_VID 0x04D8 +#define MICROCHIP_USB_BOARD_PID 0x000A /* CDC RS-232 Emulation Demo */ /* * RATOC REX-USB60F @@ -680,6 +689,10 @@ #define SEALEVEL_2803_6_PID 0X2863 /* SeaLINK+8 (2803) Port 6 */ #define SEALEVEL_2803_7_PID 0X2873 /* SeaLINK+8 (2803) Port 7 */ #define SEALEVEL_2803_8_PID 0X2883 /* SeaLINK+8 (2803) Port 8 */ +#define SEALEVEL_2803R_1_PID 0Xa02a /* SeaLINK+8 (2803-ROHS) Port 1+2 */ +#define SEALEVEL_2803R_2_PID 0Xa02b /* SeaLINK+8 (2803-ROHS) Port 3+4 */ +#define SEALEVEL_2803R_3_PID 0Xa02c /* SeaLINK+8 (2803-ROHS) Port 5+6 */ +#define SEALEVEL_2803R_4_PID 0Xa02d /* SeaLINK+8 (2803-ROHS) Port 7+8 */ /* * JETI SPECTROMETER SPECBOS 1201 diff --git a/drivers/usb/serial/funsoft.c b/drivers/usb/serial/funsoft.c index 5d4b099dcf8..4577b360792 100644 --- a/drivers/usb/serial/funsoft.c +++ b/drivers/usb/serial/funsoft.c @@ -29,7 +29,6 @@ static struct usb_driver funsoft_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver funsoft_device = { @@ -38,31 +37,15 @@ static struct usb_serial_driver funsoft_device = { .name = "funsoft", }, .id_table = id_table, - .usb_driver = &funsoft_driver, .num_ports = 1, }; -static int __init funsoft_init(void) -{ - int retval; - - retval = usb_serial_register(&funsoft_device); - if (retval) - return retval; - retval = usb_register(&funsoft_driver); - if (retval) - usb_serial_deregister(&funsoft_device); - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &funsoft_device, NULL +}; -static void __exit funsoft_exit(void) -{ - usb_deregister(&funsoft_driver); - usb_serial_deregister(&funsoft_device); -} +module_usb_serial_driver(funsoft_driver, serial_drivers); -module_init(funsoft_init); -module_exit(funsoft_exit); MODULE_LICENSE("GPL"); module_param(debug, bool, S_IRUGO | S_IWUSR); diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 21343378c32..e8eb6347bf3 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -224,7 +224,6 @@ static struct usb_driver garmin_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; @@ -1497,7 +1496,6 @@ static struct usb_serial_driver garmin_device = { .name = "garmin_gps", }, .description = "Garmin GPS usb/tty", - .usb_driver = &garmin_driver, .id_table = id_table, .num_ports = 1, .open = garmin_open, @@ -1514,40 +1512,11 @@ static struct usb_serial_driver garmin_device = { .read_int_callback = garmin_read_int_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &garmin_device, NULL +}; - -static int __init garmin_init(void) -{ - int retval; - - retval = usb_serial_register(&garmin_device); - if (retval) - goto failed_garmin_register; - retval = usb_register(&garmin_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; -failed_usb_register: - usb_serial_deregister(&garmin_device); -failed_garmin_register: - return retval; -} - - -static void __exit garmin_exit(void) -{ - usb_deregister(&garmin_driver); - usb_serial_deregister(&garmin_device); -} - - - - -module_init(garmin_init); -module_exit(garmin_exit); +module_usb_serial_driver(garmin_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); @@ -1557,4 +1526,3 @@ module_param(debug, bool, S_IWUSR | S_IRUGO); MODULE_PARM_DESC(debug, "Debug enabled or not"); module_param(initial_mode, int, S_IRUGO); MODULE_PARM_DESC(initial_mode, "Initial mode"); - diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index f7403576f99..664deb63807 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -54,7 +54,6 @@ static struct usb_driver generic_driver = { .probe = generic_probe, .disconnect = usb_serial_disconnect, .id_table = generic_serial_ids, - .no_dynamic_id = 1, }; /* All of the device info needed for the Generic Serial Converter */ @@ -64,7 +63,6 @@ struct usb_serial_driver usb_serial_generic_device = { .name = "generic", }, .id_table = generic_device_ids, - .usb_driver = &generic_driver, .num_ports = 1, .disconnect = usb_serial_generic_disconnect, .release = usb_serial_generic_release, @@ -73,6 +71,10 @@ struct usb_serial_driver usb_serial_generic_device = { .resume = usb_serial_generic_resume, }; +static struct usb_serial_driver * const serial_drivers[] = { + &usb_serial_generic_device, NULL +}; + static int generic_probe(struct usb_interface *interface, const struct usb_device_id *id) { @@ -97,13 +99,7 @@ int usb_serial_generic_register(int _debug) USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT; /* register our generic driver with ourselves */ - retval = usb_serial_register(&usb_serial_generic_device); - if (retval) - goto exit; - retval = usb_register(&generic_driver); - if (retval) - usb_serial_deregister(&usb_serial_generic_device); -exit: + retval = usb_serial_register_drivers(&generic_driver, serial_drivers); #endif return retval; } @@ -112,8 +108,7 @@ void usb_serial_generic_deregister(void) { #ifdef CONFIG_USB_SERIAL_GENERIC /* remove our generic driver */ - usb_deregister(&generic_driver); - usb_serial_deregister(&usb_serial_generic_device); + usb_serial_deregister_drivers(&generic_driver, serial_drivers); #endif } @@ -217,7 +212,7 @@ retry: clear_bit(i, &port->write_urbs_free); result = usb_submit_urb(urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, "%s - error submitting urb: %d\n", + dev_err_console(port, "%s - error submitting urb: %d\n", __func__, result); set_bit(i, &port->write_urbs_free); spin_lock_irqsave(&port->lock, flags); diff --git a/drivers/usb/serial/hp4x.c b/drivers/usb/serial/hp4x.c index 809379159b0..2563e788c9b 100644 --- a/drivers/usb/serial/hp4x.c +++ b/drivers/usb/serial/hp4x.c @@ -41,7 +41,6 @@ static struct usb_driver hp49gp_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver hp49gp_device = { @@ -50,36 +49,14 @@ static struct usb_serial_driver hp49gp_device = { .name = "hp4X", }, .id_table = id_table, - .usb_driver = &hp49gp_driver, .num_ports = 1, }; -static int __init hp49gp_init(void) -{ - int retval; - retval = usb_serial_register(&hp49gp_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&hp49gp_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&hp49gp_device); -failed_usb_serial_register: - return retval; -} - -static void __exit hp49gp_exit(void) -{ - usb_deregister(&hp49gp_driver); - usb_serial_deregister(&hp49gp_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &hp49gp_device, NULL +}; -module_init(hp49gp_init); -module_exit(hp49gp_exit); +module_usb_serial_driver(hp49gp_driver, serial_drivers); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 0497575e479..323e8723571 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -193,7 +193,8 @@ static const struct divisor_table_entry divisor_table[] = { /* local variables */ static bool debug; -static atomic_t CmdUrbs; /* Number of outstanding Command Write Urbs */ +/* Number of outstanding Command Write Urbs */ +static atomic_t CmdUrbs = ATOMIC_INIT(0); /* local function prototypes */ @@ -1286,7 +1287,7 @@ static void send_more_port_data(struct edgeport_serial *edge_serial, count = fifo->count; buffer = kmalloc(count+2, GFP_ATOMIC); if (buffer == NULL) { - dev_err(&edge_port->port->dev, + dev_err_console(edge_port->port, "%s - no more kernel memory...\n", __func__); edge_port->write_in_progress = false; goto exit_send; @@ -1331,7 +1332,7 @@ static void send_more_port_data(struct edgeport_serial *edge_serial, status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { /* something went wrong */ - dev_err(&edge_port->port->dev, + dev_err_console(edge_port->port, "%s - usb_submit_urb(write bulk) failed, status = %d, data lost\n", __func__, status); edge_port->write_in_progress = false; @@ -3180,65 +3181,8 @@ static void edge_release(struct usb_serial *serial) kfree(edge_serial); } +module_usb_serial_driver(io_driver, serial_drivers); -/**************************************************************************** - * edgeport_init - * This is called by the module subsystem, or on startup to initialize us - ****************************************************************************/ -static int __init edgeport_init(void) -{ - int retval; - - retval = usb_serial_register(&edgeport_2port_device); - if (retval) - goto failed_2port_device_register; - retval = usb_serial_register(&edgeport_4port_device); - if (retval) - goto failed_4port_device_register; - retval = usb_serial_register(&edgeport_8port_device); - if (retval) - goto failed_8port_device_register; - retval = usb_serial_register(&epic_device); - if (retval) - goto failed_epic_device_register; - retval = usb_register(&io_driver); - if (retval) - goto failed_usb_register; - atomic_set(&CmdUrbs, 0); - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; - -failed_usb_register: - usb_serial_deregister(&epic_device); -failed_epic_device_register: - usb_serial_deregister(&edgeport_8port_device); -failed_8port_device_register: - usb_serial_deregister(&edgeport_4port_device); -failed_4port_device_register: - usb_serial_deregister(&edgeport_2port_device); -failed_2port_device_register: - return retval; -} - - -/**************************************************************************** - * edgeport_exit - * Called when the driver is about to be unloaded. - ****************************************************************************/ -static void __exit edgeport_exit (void) -{ - usb_deregister(&io_driver); - usb_serial_deregister(&edgeport_2port_device); - usb_serial_deregister(&edgeport_4port_device); - usb_serial_deregister(&edgeport_8port_device); - usb_serial_deregister(&epic_device); -} - -module_init(edgeport_init); -module_exit(edgeport_exit); - -/* Module information */ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/io_tables.h b/drivers/usb/serial/io_tables.h index 178b22eb32b..d0e7c9affb6 100644 --- a/drivers/usb/serial/io_tables.h +++ b/drivers/usb/serial/io_tables.h @@ -100,7 +100,6 @@ static struct usb_driver io_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; static struct usb_serial_driver edgeport_2port_device = { @@ -109,7 +108,6 @@ static struct usb_serial_driver edgeport_2port_device = { .name = "edgeport_2", }, .description = "Edgeport 2 port adapter", - .usb_driver = &io_driver, .id_table = edgeport_2port_id_table, .num_ports = 2, .open = edge_open, @@ -139,7 +137,6 @@ static struct usb_serial_driver edgeport_4port_device = { .name = "edgeport_4", }, .description = "Edgeport 4 port adapter", - .usb_driver = &io_driver, .id_table = edgeport_4port_id_table, .num_ports = 4, .open = edge_open, @@ -169,7 +166,6 @@ static struct usb_serial_driver edgeport_8port_device = { .name = "edgeport_8", }, .description = "Edgeport 8 port adapter", - .usb_driver = &io_driver, .id_table = edgeport_8port_id_table, .num_ports = 8, .open = edge_open, @@ -199,7 +195,6 @@ static struct usb_serial_driver epic_device = { .name = "epic", }, .description = "EPiC device", - .usb_driver = &io_driver, .id_table = Epic_port_id_table, .num_ports = 1, .open = edge_open, @@ -223,5 +218,10 @@ static struct usb_serial_driver epic_device = { .write_bulk_callback = edge_bulk_out_data_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &edgeport_2port_device, &edgeport_4port_device, + &edgeport_8port_device, &epic_device, NULL +}; + #endif diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 5818bfc3261..40a95a7fe38 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -202,7 +202,6 @@ static struct usb_driver io_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; @@ -1817,7 +1816,7 @@ static void edge_bulk_out_callback(struct urb *urb) __func__, status); return; default: - dev_err(&urb->dev->dev, "%s - nonzero write bulk status " + dev_err_console(port, "%s - nonzero write bulk status " "received: %d\n", __func__, status); } @@ -2111,7 +2110,7 @@ static void edge_send(struct tty_struct *tty) /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, + dev_err_console(port, "%s - failed submitting write urb, error %d\n", __func__, result); edge_port->ep_write_urb_in_use = 0; @@ -2725,7 +2724,6 @@ static struct usb_serial_driver edgeport_1port_device = { .name = "edgeport_ti_1", }, .description = "Edgeport TI 1 port adapter", - .usb_driver = &io_driver, .id_table = edgeport_1port_id_table, .num_ports = 1, .open = edge_open, @@ -2757,7 +2755,6 @@ static struct usb_serial_driver edgeport_2port_device = { .name = "edgeport_ti_2", }, .description = "Edgeport TI 2 port adapter", - .usb_driver = &io_driver, .id_table = edgeport_2port_id_table, .num_ports = 2, .open = edge_open, @@ -2782,41 +2779,12 @@ static struct usb_serial_driver edgeport_2port_device = { .write_bulk_callback = edge_bulk_out_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &edgeport_1port_device, &edgeport_2port_device, NULL +}; -static int __init edgeport_init(void) -{ - int retval; - retval = usb_serial_register(&edgeport_1port_device); - if (retval) - goto failed_1port_device_register; - retval = usb_serial_register(&edgeport_2port_device); - if (retval) - goto failed_2port_device_register; - retval = usb_register(&io_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&edgeport_2port_device); -failed_2port_device_register: - usb_serial_deregister(&edgeport_1port_device); -failed_1port_device_register: - return retval; -} - -static void __exit edgeport_exit(void) -{ - usb_deregister(&io_driver); - usb_serial_deregister(&edgeport_1port_device); - usb_serial_deregister(&edgeport_2port_device); -} - -module_init(edgeport_init); -module_exit(edgeport_exit); +module_usb_serial_driver(io_driver, serial_drivers); -/* Module information */ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 06053a920dd..10c02b8b566 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -510,7 +510,6 @@ static struct usb_driver ipaq_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = ipaq_id_table, - .no_dynamic_id = 1, }; @@ -521,7 +520,6 @@ static struct usb_serial_driver ipaq_device = { .name = "ipaq", }, .description = "PocketPC PDA", - .usb_driver = &ipaq_driver, .id_table = ipaq_id_table, .bulk_in_size = 256, .bulk_out_size = 256, @@ -530,6 +528,10 @@ static struct usb_serial_driver ipaq_device = { .calc_num_ports = ipaq_calc_num_ports, }; +static struct usb_serial_driver * const serial_drivers[] = { + &ipaq_device, NULL +}; + static int ipaq_open(struct tty_struct *tty, struct usb_serial_port *port) { @@ -624,30 +626,22 @@ static int ipaq_startup(struct usb_serial *serial) static int __init ipaq_init(void) { int retval; - retval = usb_serial_register(&ipaq_device); - if (retval) - goto failed_usb_serial_register; + if (vendor) { ipaq_id_table[0].idVendor = vendor; ipaq_id_table[0].idProduct = product; } - retval = usb_register(&ipaq_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&ipaq_device); -failed_usb_serial_register: + + retval = usb_serial_register_drivers(&ipaq_driver, serial_drivers); + if (retval == 0) + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return retval; } static void __exit ipaq_exit(void) { - usb_deregister(&ipaq_driver); - usb_serial_deregister(&ipaq_device); + usb_serial_deregister_drivers(&ipaq_driver, serial_drivers); } diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 6f9356f3f99..76a06406e26 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -144,7 +144,6 @@ static struct usb_driver usb_ipw_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = usb_ipw_ids, - .no_dynamic_id = 1, }; static bool debug; @@ -318,7 +317,6 @@ static struct usb_serial_driver ipw_device = { .name = "ipw", }, .description = "IPWireless converter", - .usb_driver = &usb_ipw_driver, .id_table = usb_ipw_ids, .num_ports = 1, .disconnect = usb_wwan_disconnect, @@ -331,33 +329,11 @@ static struct usb_serial_driver ipw_device = { .write = usb_wwan_write, }; +static struct usb_serial_driver * const serial_drivers[] = { + &ipw_device, NULL +}; - -static int __init usb_ipw_init(void) -{ - int retval; - - retval = usb_serial_register(&ipw_device); - if (retval) - return retval; - retval = usb_register(&usb_ipw_driver); - if (retval) { - usb_serial_deregister(&ipw_device); - return retval; - } - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -} - -static void __exit usb_ipw_exit(void) -{ - usb_deregister(&usb_ipw_driver); - usb_serial_deregister(&ipw_device); -} - -module_init(usb_ipw_init); -module_exit(usb_ipw_exit); +module_usb_serial_driver(usb_ipw_driver, serial_drivers); /* Module information */ MODULE_AUTHOR(DRIVER_AUTHOR); diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 84a396e8367..84965cd65c7 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -82,7 +82,6 @@ static struct usb_driver ir_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = ir_id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver ir_device = { @@ -91,7 +90,6 @@ static struct usb_serial_driver ir_device = { .name = "ir-usb", }, .description = "IR Dongle", - .usb_driver = &ir_driver, .id_table = ir_id_table, .num_ports = 1, .set_termios = ir_set_termios, @@ -101,6 +99,10 @@ static struct usb_serial_driver ir_device = { .process_read_urb = ir_process_read_urb, }; +static struct usb_serial_driver * const serial_drivers[] = { + &ir_device, NULL +}; + static inline void irda_usb_dump_class_desc(struct usb_irda_cs_descriptor *desc) { dbg("bLength=%x", desc->bLength); @@ -445,30 +447,16 @@ static int __init ir_init(void) ir_device.bulk_out_size = buffer_size; } - retval = usb_serial_register(&ir_device); - if (retval) - goto failed_usb_serial_register; - - retval = usb_register(&ir_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; - -failed_usb_register: - usb_serial_deregister(&ir_device); - -failed_usb_serial_register: + retval = usb_serial_register_drivers(&ir_driver, serial_drivers); + if (retval == 0) + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return retval; } static void __exit ir_exit(void) { - usb_deregister(&ir_driver); - usb_serial_deregister(&ir_device); + usb_serial_deregister_drivers(&ir_driver, serial_drivers); } diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 3077a443697..f2192d527db 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -56,7 +56,6 @@ static struct usb_driver iuu_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; /* turbo parameter */ @@ -1274,7 +1273,6 @@ static struct usb_serial_driver iuu_device = { .name = "iuu_phoenix", }, .id_table = id_table, - .usb_driver = &iuu_driver, .num_ports = 1, .bulk_in_size = 512, .bulk_out_size = 512, @@ -1292,32 +1290,11 @@ static struct usb_serial_driver iuu_device = { .release = iuu_release, }; -static int __init iuu_init(void) -{ - int retval; - retval = usb_serial_register(&iuu_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&iuu_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&iuu_device); -failed_usb_serial_register: - return retval; -} - -static void __exit iuu_exit(void) -{ - usb_deregister(&iuu_driver); - usb_serial_deregister(&iuu_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &iuu_device, NULL +}; -module_init(iuu_init); -module_exit(iuu_exit); +module_usb_serial_driver(iuu_driver, serial_drivers); MODULE_AUTHOR("Alain Degreffe eczema@ecze.com"); diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 4cc36c76180..a39ddd1b0dc 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -130,53 +130,7 @@ struct keyspan_port_private { #include "keyspan_usa67msg.h" -/* Functions used by new usb-serial code. */ -static int __init keyspan_init(void) -{ - int retval; - retval = usb_serial_register(&keyspan_pre_device); - if (retval) - goto failed_pre_device_register; - retval = usb_serial_register(&keyspan_1port_device); - if (retval) - goto failed_1port_device_register; - retval = usb_serial_register(&keyspan_2port_device); - if (retval) - goto failed_2port_device_register; - retval = usb_serial_register(&keyspan_4port_device); - if (retval) - goto failed_4port_device_register; - retval = usb_register(&keyspan_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; -failed_usb_register: - usb_serial_deregister(&keyspan_4port_device); -failed_4port_device_register: - usb_serial_deregister(&keyspan_2port_device); -failed_2port_device_register: - usb_serial_deregister(&keyspan_1port_device); -failed_1port_device_register: - usb_serial_deregister(&keyspan_pre_device); -failed_pre_device_register: - return retval; -} - -static void __exit keyspan_exit(void) -{ - usb_deregister(&keyspan_driver); - usb_serial_deregister(&keyspan_pre_device); - usb_serial_deregister(&keyspan_1port_device); - usb_serial_deregister(&keyspan_2port_device); - usb_serial_deregister(&keyspan_4port_device); -} - -module_init(keyspan_init); -module_exit(keyspan_exit); +module_usb_serial_driver(keyspan_driver, serial_drivers); static void keyspan_break_ctl(struct tty_struct *tty, int break_state) { diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h index 13fa1d1cc90..622853c9e38 100644 --- a/drivers/usb/serial/keyspan.h +++ b/drivers/usb/serial/keyspan.h @@ -492,7 +492,6 @@ static struct usb_driver keyspan_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = keyspan_ids_combined, - .no_dynamic_id = 1, }; /* usb_device_id table for the pre-firmware download keyspan devices */ @@ -545,7 +544,6 @@ static struct usb_serial_driver keyspan_pre_device = { .name = "keyspan_no_firm", }, .description = "Keyspan - (without firmware)", - .usb_driver = &keyspan_driver, .id_table = keyspan_pre_ids, .num_ports = 1, .attach = keyspan_fake_startup, @@ -557,7 +555,6 @@ static struct usb_serial_driver keyspan_1port_device = { .name = "keyspan_1", }, .description = "Keyspan 1 port adapter", - .usb_driver = &keyspan_driver, .id_table = keyspan_1port_ids, .num_ports = 1, .open = keyspan_open, @@ -580,7 +577,6 @@ static struct usb_serial_driver keyspan_2port_device = { .name = "keyspan_2", }, .description = "Keyspan 2 port adapter", - .usb_driver = &keyspan_driver, .id_table = keyspan_2port_ids, .num_ports = 2, .open = keyspan_open, @@ -603,7 +599,6 @@ static struct usb_serial_driver keyspan_4port_device = { .name = "keyspan_4", }, .description = "Keyspan 4 port adapter", - .usb_driver = &keyspan_driver, .id_table = keyspan_4port_ids, .num_ports = 4, .open = keyspan_open, @@ -620,4 +615,9 @@ static struct usb_serial_driver keyspan_4port_device = { .release = keyspan_release, }; +static struct usb_serial_driver * const serial_drivers[] = { + &keyspan_pre_device, &keyspan_1port_device, + &keyspan_2port_device, &keyspan_4port_device, NULL +}; + #endif diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 7c62a704830..693bcdfcb3d 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -91,7 +91,6 @@ static struct usb_driver keyspan_pda_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; static const struct usb_device_id id_table_std[] = { @@ -779,7 +778,6 @@ static struct usb_serial_driver keyspan_pda_fake_device = { .name = "keyspan_pda_pre", }, .description = "Keyspan PDA - (prerenumeration)", - .usb_driver = &keyspan_pda_driver, .id_table = id_table_fake, .num_ports = 1, .attach = keyspan_pda_fake_startup, @@ -793,7 +791,6 @@ static struct usb_serial_driver xircom_pgs_fake_device = { .name = "xircom_no_firm", }, .description = "Xircom / Entregra PGS - (prerenumeration)", - .usb_driver = &keyspan_pda_driver, .id_table = id_table_fake_xircom, .num_ports = 1, .attach = keyspan_pda_fake_startup, @@ -806,7 +803,6 @@ static struct usb_serial_driver keyspan_pda_device = { .name = "keyspan_pda", }, .description = "Keyspan PDA", - .usb_driver = &keyspan_pda_driver, .id_table = id_table_std, .num_ports = 1, .dtr_rts = keyspan_pda_dtr_rts, @@ -827,61 +823,18 @@ static struct usb_serial_driver keyspan_pda_device = { .release = keyspan_pda_release, }; - -static int __init keyspan_pda_init(void) -{ - int retval; - retval = usb_serial_register(&keyspan_pda_device); - if (retval) - goto failed_pda_register; +static struct usb_serial_driver * const serial_drivers[] = { + &keyspan_pda_device, #ifdef KEYSPAN - retval = usb_serial_register(&keyspan_pda_fake_device); - if (retval) - goto failed_pda_fake_register; + &keyspan_pda_fake_device, #endif #ifdef XIRCOM - retval = usb_serial_register(&xircom_pgs_fake_device); - if (retval) - goto failed_xircom_register; -#endif - retval = usb_register(&keyspan_pda_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: -#ifdef XIRCOM - usb_serial_deregister(&xircom_pgs_fake_device); -failed_xircom_register: -#endif /* XIRCOM */ -#ifdef KEYSPAN - usb_serial_deregister(&keyspan_pda_fake_device); -#endif -#ifdef KEYSPAN -failed_pda_fake_register: + &xircom_pgs_fake_device, #endif - usb_serial_deregister(&keyspan_pda_device); -failed_pda_register: - return retval; -} - - -static void __exit keyspan_pda_exit(void) -{ - usb_deregister(&keyspan_pda_driver); - usb_serial_deregister(&keyspan_pda_device); -#ifdef KEYSPAN - usb_serial_deregister(&keyspan_pda_fake_device); -#endif -#ifdef XIRCOM - usb_serial_deregister(&xircom_pgs_fake_device); -#endif -} - + NULL +}; -module_init(keyspan_pda_init); -module_exit(keyspan_pda_exit); +module_usb_serial_driver(keyspan_pda_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); @@ -889,4 +842,3 @@ MODULE_LICENSE("GPL"); module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug enabled or not"); - diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index fc064e1442c..10f05407e53 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -91,7 +91,6 @@ static struct usb_driver kl5kusb105d_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver kl5kusb105d_device = { @@ -100,7 +99,6 @@ static struct usb_serial_driver kl5kusb105d_device = { .name = "kl5kusb105d", }, .description = "KL5KUSB105D / PalmConnect", - .usb_driver = &kl5kusb105d_driver, .id_table = id_table, .num_ports = 1, .bulk_out_size = 64, @@ -118,6 +116,10 @@ static struct usb_serial_driver kl5kusb105d_device = { .prepare_write_buffer = klsi_105_prepare_write_buffer, }; +static struct usb_serial_driver * const serial_drivers[] = { + &kl5kusb105d_device, NULL +}; + struct klsi_105_port_settings { __u8 pktlen; /* always 5, it seems */ __u8 baudrate; @@ -690,40 +692,11 @@ static int klsi_105_tiocmset(struct tty_struct *tty, return retval; } - -static int __init klsi_105_init(void) -{ - int retval; - retval = usb_serial_register(&kl5kusb105d_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&kl5kusb105d_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&kl5kusb105d_device); -failed_usb_serial_register: - return retval; -} - -static void __exit klsi_105_exit(void) -{ - usb_deregister(&kl5kusb105d_driver); - usb_serial_deregister(&kl5kusb105d_device); -} - - -module_init(klsi_105_init); -module_exit(klsi_105_exit); +module_usb_serial_driver(kl5kusb105d_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); - module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "enable extensive debugging messages"); diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index a92a3efb507..4a9a75eb9b9 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -90,7 +90,6 @@ static struct usb_driver kobil_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; @@ -100,7 +99,6 @@ static struct usb_serial_driver kobil_device = { .name = "kobil", }, .description = "KOBIL USB smart card terminal", - .usb_driver = &kobil_driver, .id_table = id_table, .num_ports = 1, .attach = kobil_startup, @@ -117,6 +115,9 @@ static struct usb_serial_driver kobil_device = { .read_int_callback = kobil_read_int_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &kobil_device, NULL +}; struct kobil_private { int write_int_endpoint_address; @@ -682,35 +683,7 @@ static int kobil_ioctl(struct tty_struct *tty, } } -static int __init kobil_init(void) -{ - int retval; - retval = usb_serial_register(&kobil_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&kobil_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; -failed_usb_register: - usb_serial_deregister(&kobil_device); -failed_usb_serial_register: - return retval; -} - - -static void __exit kobil_exit(void) -{ - usb_deregister(&kobil_driver); - usb_serial_deregister(&kobil_device); -} - -module_init(kobil_init); -module_exit(kobil_exit); +module_usb_serial_driver(kobil_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index 27fa9c8a77b..6edd26130e2 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -88,7 +88,6 @@ static struct usb_driver mct_u232_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; static struct usb_serial_driver mct_u232_device = { @@ -97,7 +96,6 @@ static struct usb_serial_driver mct_u232_device = { .name = "mct_u232", }, .description = "MCT U232", - .usb_driver = &mct_u232_driver, .id_table = id_table_combined, .num_ports = 1, .open = mct_u232_open, @@ -116,6 +114,10 @@ static struct usb_serial_driver mct_u232_device = { .get_icount = mct_u232_get_icount, }; +static struct usb_serial_driver * const serial_drivers[] = { + &mct_u232_device, NULL +}; + struct mct_u232_private { spinlock_t lock; unsigned int control_state; /* Modem Line Setting (TIOCM) */ @@ -904,33 +906,7 @@ static int mct_u232_get_icount(struct tty_struct *tty, return 0; } -static int __init mct_u232_init(void) -{ - int retval; - retval = usb_serial_register(&mct_u232_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&mct_u232_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&mct_u232_device); -failed_usb_serial_register: - return retval; -} - - -static void __exit mct_u232_exit(void) -{ - usb_deregister(&mct_u232_driver); - usb_serial_deregister(&mct_u232_device); -} - -module_init(mct_u232_init); -module_exit(mct_u232_exit); +module_usb_serial_driver(mct_u232_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c new file mode 100644 index 00000000000..6e1622f2a29 --- /dev/null +++ b/drivers/usb/serial/metro-usb.c @@ -0,0 +1,402 @@ +/* + Some of this code is credited to Linux USB open source files that are + distributed with Linux. + + Copyright: 2007 Metrologic Instruments. All rights reserved. + Copyright: 2011 Azimut Ltd. <http://azimutrzn.ru/> +*/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/errno.h> +#include <linux/slab.h> +#include <linux/tty_driver.h> +#include <linux/tty_flip.h> +#include <linux/moduleparam.h> +#include <linux/spinlock.h> +#include <linux/errno.h> +#include <linux/uaccess.h> +#include <linux/usb/serial.h> + +/* Version Information */ +#define DRIVER_VERSION "v1.2.0.0" +#define DRIVER_DESC "Metrologic Instruments Inc. - USB-POS driver" + +/* Product information. */ +#define FOCUS_VENDOR_ID 0x0C2E +#define FOCUS_PRODUCT_ID 0x0720 +#define FOCUS_PRODUCT_ID_UNI 0x0710 + +#define METROUSB_SET_REQUEST_TYPE 0x40 +#define METROUSB_SET_MODEM_CTRL_REQUEST 10 +#define METROUSB_SET_BREAK_REQUEST 0x40 +#define METROUSB_MCR_NONE 0x08 /* Deactivate DTR and RTS. */ +#define METROUSB_MCR_RTS 0x0a /* Activate RTS. */ +#define METROUSB_MCR_DTR 0x09 /* Activate DTR. */ +#define WDR_TIMEOUT 5000 /* default urb timeout. */ + +/* Private data structure. */ +struct metrousb_private { + spinlock_t lock; + int throttled; + unsigned long control_state; +}; + +/* Device table list. */ +static struct usb_device_id id_table[] = { + { USB_DEVICE(FOCUS_VENDOR_ID, FOCUS_PRODUCT_ID) }, + { USB_DEVICE(FOCUS_VENDOR_ID, FOCUS_PRODUCT_ID_UNI) }, + { }, /* Terminating entry. */ +}; +MODULE_DEVICE_TABLE(usb, id_table); + +/* Input parameter constants. */ +static bool debug; + +static void metrousb_read_int_callback(struct urb *urb) +{ + struct usb_serial_port *port = urb->context; + struct metrousb_private *metro_priv = usb_get_serial_port_data(port); + struct tty_struct *tty; + unsigned char *data = urb->transfer_buffer; + int throttled = 0; + int result = 0; + unsigned long flags = 0; + + dev_dbg(&port->dev, "%s\n", __func__); + + switch (urb->status) { + case 0: + /* Success status, read from the port. */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* urb has been terminated. */ + dev_dbg(&port->dev, + "%s - urb shutting down, error code=%d\n", + __func__, result); + return; + default: + dev_dbg(&port->dev, + "%s - non-zero urb received, error code=%d\n", + __func__, result); + goto exit; + } + + + /* Set the data read from the usb port into the serial port buffer. */ + tty = tty_port_tty_get(&port->port); + if (!tty) { + dev_dbg(&port->dev, "%s - bad tty pointer - exiting\n", + __func__); + return; + } + + if (tty && urb->actual_length) { + /* Loop through the data copying each byte to the tty layer. */ + tty_insert_flip_string(tty, data, urb->actual_length); + + /* Force the data to the tty layer. */ + tty_flip_buffer_push(tty); + } + tty_kref_put(tty); + + /* Set any port variables. */ + spin_lock_irqsave(&metro_priv->lock, flags); + throttled = metro_priv->throttled; + spin_unlock_irqrestore(&metro_priv->lock, flags); + + /* Continue trying to read if set. */ + if (!throttled) { + usb_fill_int_urb(port->interrupt_in_urb, port->serial->dev, + usb_rcvintpipe(port->serial->dev, port->interrupt_in_endpointAddress), + port->interrupt_in_urb->transfer_buffer, + port->interrupt_in_urb->transfer_buffer_length, + metrousb_read_int_callback, port, 1); + + result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); + + if (result) + dev_dbg(&port->dev, + "%s - failed submitting interrupt in urb, error code=%d\n", + __func__, result); + } + return; + +exit: + /* Try to resubmit the urb. */ + result = usb_submit_urb(urb, GFP_ATOMIC); + if (result) + dev_dbg(&port->dev, + "%s - failed submitting interrupt in urb, error code=%d\n", + __func__, result); +} + +static void metrousb_cleanup(struct usb_serial_port *port) +{ + dev_dbg(&port->dev, "%s\n", __func__); + + if (port->serial->dev) { + /* Shutdown any interrupt in urbs. */ + if (port->interrupt_in_urb) { + usb_unlink_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); + } + } +} + +static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port) +{ + struct usb_serial *serial = port->serial; + struct metrousb_private *metro_priv = usb_get_serial_port_data(port); + unsigned long flags = 0; + int result = 0; + + dev_dbg(&port->dev, "%s\n", __func__); + + /* Make sure the urb is initialized. */ + if (!port->interrupt_in_urb) { + dev_dbg(&port->dev, "%s - interrupt urb not initialized\n", + __func__); + return -ENODEV; + } + + /* Set the private data information for the port. */ + spin_lock_irqsave(&metro_priv->lock, flags); + metro_priv->control_state = 0; + metro_priv->throttled = 0; + spin_unlock_irqrestore(&metro_priv->lock, flags); + + /* + * Force low_latency on so that our tty_push actually forces the data + * through, otherwise it is scheduled, and with high data rates (like + * with OHCI) data can get lost. + */ + if (tty) + tty->low_latency = 1; + + /* Clear the urb pipe. */ + usb_clear_halt(serial->dev, port->interrupt_in_urb->pipe); + + /* Start reading from the device */ + usb_fill_int_urb(port->interrupt_in_urb, serial->dev, + usb_rcvintpipe(serial->dev, port->interrupt_in_endpointAddress), + port->interrupt_in_urb->transfer_buffer, + port->interrupt_in_urb->transfer_buffer_length, + metrousb_read_int_callback, port, 1); + result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); + + if (result) { + dev_dbg(&port->dev, + "%s - failed submitting interrupt in urb, error code=%d\n", + __func__, result); + goto exit; + } + + dev_dbg(&port->dev, "%s - port open\n", __func__); +exit: + return result; +} + +static int metrousb_set_modem_ctrl(struct usb_serial *serial, unsigned int control_state) +{ + int retval = 0; + unsigned char mcr = METROUSB_MCR_NONE; + + dev_dbg(&serial->dev->dev, "%s - control state = %d\n", + __func__, control_state); + + /* Set the modem control value. */ + if (control_state & TIOCM_DTR) + mcr |= METROUSB_MCR_DTR; + if (control_state & TIOCM_RTS) + mcr |= METROUSB_MCR_RTS; + + /* Send the command to the usb port. */ + retval = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), + METROUSB_SET_REQUEST_TYPE, METROUSB_SET_MODEM_CTRL_REQUEST, + control_state, 0, NULL, 0, WDR_TIMEOUT); + if (retval < 0) + dev_dbg(&serial->dev->dev, + "%s - set modem ctrl=0x%x failed, error code=%d\n", + __func__, mcr, retval); + + return retval; +} + +static void metrousb_shutdown(struct usb_serial *serial) +{ + int i = 0; + + dev_dbg(&serial->dev->dev, "%s\n", __func__); + + /* Stop reading and writing on all ports. */ + for (i = 0; i < serial->num_ports; ++i) { + /* Close any open urbs. */ + metrousb_cleanup(serial->port[i]); + + /* Free memory. */ + kfree(usb_get_serial_port_data(serial->port[i])); + usb_set_serial_port_data(serial->port[i], NULL); + + dev_dbg(&serial->dev->dev, "%s - freed port number=%d\n", + __func__, serial->port[i]->number); + } +} + +static int metrousb_startup(struct usb_serial *serial) +{ + struct metrousb_private *metro_priv; + struct usb_serial_port *port; + int i = 0; + + dev_dbg(&serial->dev->dev, "%s\n", __func__); + + /* Loop through the serial ports setting up the private structures. + * Currently we only use one port. */ + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + + /* Declare memory. */ + metro_priv = kzalloc(sizeof(struct metrousb_private), GFP_KERNEL); + if (!metro_priv) + return -ENOMEM; + + /* Initialize memory. */ + spin_lock_init(&metro_priv->lock); + usb_set_serial_port_data(port, metro_priv); + + dev_dbg(&serial->dev->dev, "%s - port number=%d\n ", + __func__, port->number); + } + + return 0; +} + +static void metrousb_throttle(struct tty_struct *tty) +{ + struct usb_serial_port *port = tty->driver_data; + struct metrousb_private *metro_priv = usb_get_serial_port_data(port); + unsigned long flags = 0; + + dev_dbg(tty->dev, "%s\n", __func__); + + /* Set the private information for the port to stop reading data. */ + spin_lock_irqsave(&metro_priv->lock, flags); + metro_priv->throttled = 1; + spin_unlock_irqrestore(&metro_priv->lock, flags); +} + +static int metrousb_tiocmget(struct tty_struct *tty) +{ + unsigned long control_state = 0; + struct usb_serial_port *port = tty->driver_data; + struct metrousb_private *metro_priv = usb_get_serial_port_data(port); + unsigned long flags = 0; + + dev_dbg(tty->dev, "%s\n", __func__); + + spin_lock_irqsave(&metro_priv->lock, flags); + control_state = metro_priv->control_state; + spin_unlock_irqrestore(&metro_priv->lock, flags); + + return control_state; +} + +static int metrousb_tiocmset(struct tty_struct *tty, + unsigned int set, unsigned int clear) +{ + struct usb_serial_port *port = tty->driver_data; + struct usb_serial *serial = port->serial; + struct metrousb_private *metro_priv = usb_get_serial_port_data(port); + unsigned long flags = 0; + unsigned long control_state = 0; + + dev_dbg(tty->dev, "%s - set=%d, clear=%d\n", __func__, set, clear); + + spin_lock_irqsave(&metro_priv->lock, flags); + control_state = metro_priv->control_state; + + /* Set the RTS and DTR values. */ + if (set & TIOCM_RTS) + control_state |= TIOCM_RTS; + if (set & TIOCM_DTR) + control_state |= TIOCM_DTR; + if (clear & TIOCM_RTS) + control_state &= ~TIOCM_RTS; + if (clear & TIOCM_DTR) + control_state &= ~TIOCM_DTR; + + metro_priv->control_state = control_state; + spin_unlock_irqrestore(&metro_priv->lock, flags); + return metrousb_set_modem_ctrl(serial, control_state); +} + +static void metrousb_unthrottle(struct tty_struct *tty) +{ + struct usb_serial_port *port = tty->driver_data; + struct metrousb_private *metro_priv = usb_get_serial_port_data(port); + unsigned long flags = 0; + int result = 0; + + dev_dbg(tty->dev, "%s\n", __func__); + + /* Set the private information for the port to resume reading data. */ + spin_lock_irqsave(&metro_priv->lock, flags); + metro_priv->throttled = 0; + spin_unlock_irqrestore(&metro_priv->lock, flags); + + /* Submit the urb to read from the port. */ + port->interrupt_in_urb->dev = port->serial->dev; + result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); + if (result) + dev_dbg(tty->dev, + "failed submitting interrupt in urb error code=%d\n", + result); +} + +static struct usb_driver metrousb_driver = { + .name = "metro-usb", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table +}; + +static struct usb_serial_driver metrousb_device = { + .driver = { + .owner = THIS_MODULE, + .name = "metro-usb", + }, + .description = "Metrologic USB to serial converter.", + .id_table = id_table, + .num_ports = 1, + .open = metrousb_open, + .close = metrousb_cleanup, + .read_int_callback = metrousb_read_int_callback, + .attach = metrousb_startup, + .release = metrousb_shutdown, + .throttle = metrousb_throttle, + .unthrottle = metrousb_unthrottle, + .tiocmget = metrousb_tiocmget, + .tiocmset = metrousb_tiocmset, +}; + +static struct usb_serial_driver * const serial_drivers[] = { + &metrousb_device, + NULL, +}; + +module_usb_serial_driver(metrousb_driver, serial_drivers); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Philip Nicastro"); +MODULE_AUTHOR("Aleksey Babahin <tamerlan311@gmail.com>"); +MODULE_DESCRIPTION(DRIVER_DESC); + +/* Module input parameters */ +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Print debug info (bool 1=on, 0=off)"); diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 4554ee49e63..bdce8203412 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -1294,7 +1294,7 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port, urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL); if (urb->transfer_buffer == NULL) { - dev_err(&port->dev, "%s no more kernel memory...\n", + dev_err_console(port, "%s no more kernel memory...\n", __func__); goto exit; } @@ -1315,7 +1315,7 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port, /* send it down the pipe */ status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { - dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " + dev_err_console(port, "%s - usb_submit_urb(write bulk) failed " "with status = %d\n", __func__, status); bytes_sent = status; goto exit; @@ -2169,7 +2169,6 @@ static struct usb_driver usb_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = moschip_port_id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver moschip7720_2port_driver = { @@ -2178,7 +2177,6 @@ static struct usb_serial_driver moschip7720_2port_driver = { .name = "moschip7720", }, .description = "Moschip 2 port adapter", - .usb_driver = &usb_driver, .id_table = moschip_port_id_table, .calc_num_ports = mos77xx_calc_num_ports, .open = mos7720_open, @@ -2201,44 +2199,12 @@ static struct usb_serial_driver moschip7720_2port_driver = { .read_int_callback = NULL /* dynamically assigned in probe() */ }; -static int __init moschip7720_init(void) -{ - int retval; - - dbg("%s: Entering ..........", __func__); - - /* Register with the usb serial */ - retval = usb_serial_register(&moschip7720_2port_driver); - if (retval) - goto failed_port_device_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - /* Register with the usb */ - retval = usb_register(&usb_driver); - if (retval) - goto failed_usb_register; - - return 0; - -failed_usb_register: - usb_serial_deregister(&moschip7720_2port_driver); - -failed_port_device_register: - return retval; -} - -static void __exit moschip7720_exit(void) -{ - usb_deregister(&usb_driver); - usb_serial_deregister(&moschip7720_2port_driver); -} +static struct usb_serial_driver * const serial_drivers[] = { + &moschip7720_2port_driver, NULL +}; -module_init(moschip7720_init); -module_exit(moschip7720_exit); +module_usb_serial_driver(usb_driver, serial_drivers); -/* Module information */ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 03b5e249e95..c526550694a 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -174,6 +174,7 @@ #define CLK_MULTI_REGISTER ((__u16)(0x02)) #define CLK_START_VALUE_REGISTER ((__u16)(0x03)) +#define GPIO_REGISTER ((__u16)(0x07)) #define SERIAL_LCR_DLAB ((__u16)(0x0080)) @@ -1101,14 +1102,25 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) mos7840_port->read_urb = port->read_urb; /* set up our bulk in urb */ - - usb_fill_bulk_urb(mos7840_port->read_urb, - serial->dev, - usb_rcvbulkpipe(serial->dev, - port->bulk_in_endpointAddress), - port->bulk_in_buffer, - mos7840_port->read_urb->transfer_buffer_length, - mos7840_bulk_in_callback, mos7840_port); + if ((serial->num_ports == 2) + && ((((__u16)port->number - + (__u16)(port->serial->minor)) % 2) != 0)) { + usb_fill_bulk_urb(mos7840_port->read_urb, + serial->dev, + usb_rcvbulkpipe(serial->dev, + (port->bulk_in_endpointAddress) + 2), + port->bulk_in_buffer, + mos7840_port->read_urb->transfer_buffer_length, + mos7840_bulk_in_callback, mos7840_port); + } else { + usb_fill_bulk_urb(mos7840_port->read_urb, + serial->dev, + usb_rcvbulkpipe(serial->dev, + port->bulk_in_endpointAddress), + port->bulk_in_buffer, + mos7840_port->read_urb->transfer_buffer_length, + mos7840_bulk_in_callback, mos7840_port); + } dbg("mos7840_open: bulkin endpoint is %d", port->bulk_in_endpointAddress); @@ -1509,7 +1521,7 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port, kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL); if (urb->transfer_buffer == NULL) { - dev_err(&port->dev, "%s no more kernel memory...\n", + dev_err_console(port, "%s no more kernel memory...\n", __func__); goto exit; } @@ -1519,13 +1531,25 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port, memcpy(urb->transfer_buffer, current_position, transfer_size); /* fill urb with data and submit */ - usb_fill_bulk_urb(urb, - serial->dev, - usb_sndbulkpipe(serial->dev, - port->bulk_out_endpointAddress), - urb->transfer_buffer, - transfer_size, - mos7840_bulk_out_data_callback, mos7840_port); + if ((serial->num_ports == 2) + && ((((__u16)port->number - + (__u16)(port->serial->minor)) % 2) != 0)) { + usb_fill_bulk_urb(urb, + serial->dev, + usb_sndbulkpipe(serial->dev, + (port->bulk_out_endpointAddress) + 2), + urb->transfer_buffer, + transfer_size, + mos7840_bulk_out_data_callback, mos7840_port); + } else { + usb_fill_bulk_urb(urb, + serial->dev, + usb_sndbulkpipe(serial->dev, + port->bulk_out_endpointAddress), + urb->transfer_buffer, + transfer_size, + mos7840_bulk_out_data_callback, mos7840_port); + } data1 = urb->transfer_buffer; dbg("bulkout endpoint is %d", port->bulk_out_endpointAddress); @@ -1535,7 +1559,7 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port, if (status) { mos7840_port->busy[i] = 0; - dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " + dev_err_console(port, "%s - usb_submit_urb(write bulk) failed " "with status = %d\n", __func__, status); bytes_sent = status; goto exit; @@ -1838,7 +1862,7 @@ static int mos7840_send_cmd_write_baud_rate(struct moschip_port *mos7840_port, } else { #ifdef HW_flow_control - / *setting h/w flow control bit to 0 */ + /* setting h/w flow control bit to 0 */ Data = 0xb; mos7840_port->shadowMCR = Data; status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, @@ -2305,19 +2329,26 @@ static int mos7840_ioctl(struct tty_struct *tty, static int mos7840_calc_num_ports(struct usb_serial *serial) { - int mos7840_num_ports = 0; - - dbg("numberofendpoints: cur %d, alt %d", - (int)serial->interface->cur_altsetting->desc.bNumEndpoints, - (int)serial->interface->altsetting->desc.bNumEndpoints); - if (serial->interface->cur_altsetting->desc.bNumEndpoints == 5) { - mos7840_num_ports = serial->num_ports = 2; - } else if (serial->interface->cur_altsetting->desc.bNumEndpoints == 9) { + __u16 Data = 0x00; + int ret = 0; + int mos7840_num_ports; + + ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &Data, + VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT); + + if ((Data & 0x01) == 0) { + mos7840_num_ports = 2; + serial->num_bulk_in = 2; + serial->num_bulk_out = 2; + serial->num_ports = 2; + } else { + mos7840_num_ports = 4; serial->num_bulk_in = 4; serial->num_bulk_out = 4; - mos7840_num_ports = serial->num_ports = 4; + serial->num_ports = 4; } - dbg ("mos7840_num_ports = %d", mos7840_num_ports); + return mos7840_num_ports; } @@ -2638,7 +2669,6 @@ static struct usb_driver io_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = moschip_id_table_combined, - .no_dynamic_id = 1, }; static struct usb_serial_driver moschip7840_4port_device = { @@ -2647,7 +2677,6 @@ static struct usb_serial_driver moschip7840_4port_device = { .name = "mos7840", }, .description = DRIVER_DESC, - .usb_driver = &io_driver, .id_table = moschip_port_id_table, .num_ports = 4, .open = mos7840_open, @@ -2674,57 +2703,12 @@ static struct usb_serial_driver moschip7840_4port_device = { .read_int_callback = mos7840_interrupt_callback, }; -/**************************************************************************** - * moschip7840_init - * This is called by the module subsystem, or on startup to initialize us - ****************************************************************************/ -static int __init moschip7840_init(void) -{ - int retval; - - dbg("%s", " mos7840_init :entering.........."); - - /* Register with the usb serial */ - retval = usb_serial_register(&moschip7840_4port_device); - - if (retval) - goto failed_port_device_register; - - dbg("%s", "Entering..."); - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - /* Register with the usb */ - retval = usb_register(&io_driver); - if (retval == 0) { - dbg("%s", "Leaving..."); - return 0; - } - usb_serial_deregister(&moschip7840_4port_device); -failed_port_device_register: - return retval; -} - -/**************************************************************************** - * moschip7840_exit - * Called when the driver is about to be unloaded. - ****************************************************************************/ -static void __exit moschip7840_exit(void) -{ - - dbg("%s", " mos7840_exit :entering.........."); - - usb_deregister(&io_driver); - - usb_serial_deregister(&moschip7840_4port_device); - - dbg("%s", "Entering..."); -} +static struct usb_serial_driver * const serial_drivers[] = { + &moschip7840_4port_device, NULL +}; -module_init(moschip7840_init); -module_exit(moschip7840_exit); +module_usb_serial_driver(io_driver, serial_drivers); -/* Module information */ MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/moto_modem.c b/drivers/usb/serial/moto_modem.c index e2bfecc4640..3ab6214b4bb 100644 --- a/drivers/usb/serial/moto_modem.c +++ b/drivers/usb/serial/moto_modem.c @@ -36,7 +36,6 @@ static struct usb_driver moto_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver moto_device = { @@ -45,29 +44,12 @@ static struct usb_serial_driver moto_device = { .name = "moto-modem", }, .id_table = id_table, - .usb_driver = &moto_driver, .num_ports = 1, }; -static int __init moto_init(void) -{ - int retval; - - retval = usb_serial_register(&moto_device); - if (retval) - return retval; - retval = usb_register(&moto_driver); - if (retval) - usb_serial_deregister(&moto_device); - return retval; -} - -static void __exit moto_exit(void) -{ - usb_deregister(&moto_driver); - usb_serial_deregister(&moto_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &moto_device, NULL +}; -module_init(moto_init); -module_exit(moto_exit); +module_usb_serial_driver(moto_driver, serial_drivers); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index b28f1db0195..29ab6eb5b53 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -35,7 +35,6 @@ static struct usb_driver navman_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static void navman_read_int_callback(struct urb *urb) @@ -122,7 +121,6 @@ static struct usb_serial_driver navman_device = { .name = "navman", }, .id_table = id_table, - .usb_driver = &navman_driver, .num_ports = 1, .open = navman_open, .close = navman_close, @@ -130,27 +128,12 @@ static struct usb_serial_driver navman_device = { .read_int_callback = navman_read_int_callback, }; -static int __init navman_init(void) -{ - int retval; - - retval = usb_serial_register(&navman_device); - if (retval) - return retval; - retval = usb_register(&navman_driver); - if (retval) - usb_serial_deregister(&navman_device); - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &navman_device, NULL +}; -static void __exit navman_exit(void) -{ - usb_deregister(&navman_driver); - usb_serial_deregister(&navman_device); -} +module_usb_serial_driver(navman_driver, serial_drivers); -module_init(navman_init); -module_exit(navman_exit); MODULE_LICENSE("GPL"); module_param(debug, bool, S_IRUGO | S_IWUSR); diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 8b8d58a2ac1..88dc785bb29 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -62,7 +62,6 @@ static struct usb_driver omninet_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; @@ -72,7 +71,6 @@ static struct usb_serial_driver zyxel_omninet_device = { .name = "omninet", }, .description = "ZyXEL - omni.net lcd plus usb", - .usb_driver = &omninet_driver, .id_table = id_table, .num_ports = 1, .attach = omninet_attach, @@ -86,6 +84,10 @@ static struct usb_serial_driver zyxel_omninet_device = { .release = omninet_release, }; +static struct usb_serial_driver * const serial_drivers[] = { + &zyxel_omninet_device, NULL +}; + /* The protocol. * @@ -254,7 +256,7 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, result = usb_submit_urb(wport->write_urb, GFP_ATOMIC); if (result) { set_bit(0, &wport->write_urbs_free); - dev_err(&port->dev, + dev_err_console(port, "%s - failed submitting write urb, error %d\n", __func__, result); } else @@ -319,35 +321,7 @@ static void omninet_release(struct usb_serial *serial) kfree(usb_get_serial_port_data(port)); } - -static int __init omninet_init(void) -{ - int retval; - retval = usb_serial_register(&zyxel_omninet_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&omninet_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&zyxel_omninet_device); -failed_usb_serial_register: - return retval; -} - - -static void __exit omninet_exit(void) -{ - usb_deregister(&omninet_driver); - usb_serial_deregister(&zyxel_omninet_device); -} - - -module_init(omninet_init); -module_exit(omninet_exit); +module_usb_serial_driver(omninet_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 262ded9e076..82cc9d202b8 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -604,7 +604,6 @@ static struct usb_driver opticon_driver = { .suspend = opticon_suspend, .resume = opticon_resume, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver opticon_device = { @@ -613,7 +612,6 @@ static struct usb_serial_driver opticon_device = { .name = "opticon", }, .id_table = id_table, - .usb_driver = &opticon_driver, .num_ports = 1, .attach = opticon_startup, .open = opticon_open, @@ -629,27 +627,12 @@ static struct usb_serial_driver opticon_device = { .tiocmset = opticon_tiocmset, }; -static int __init opticon_init(void) -{ - int retval; - - retval = usb_serial_register(&opticon_device); - if (retval) - return retval; - retval = usb_register(&opticon_driver); - if (retval) - usb_serial_deregister(&opticon_device); - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &opticon_device, NULL +}; -static void __exit opticon_exit(void) -{ - usb_deregister(&opticon_driver); - usb_serial_deregister(&opticon_device); -} +module_usb_serial_driver(opticon_driver, serial_drivers); -module_init(opticon_init); -module_exit(opticon_exit); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index b54afceb961..6815701cf65 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -307,6 +307,9 @@ static void option_instat_callback(struct urb *urb); #define TELIT_VENDOR_ID 0x1bc7 #define TELIT_PRODUCT_UC864E 0x1003 #define TELIT_PRODUCT_UC864G 0x1004 +#define TELIT_PRODUCT_CC864_DUAL 0x1005 +#define TELIT_PRODUCT_CC864_SINGLE 0x1006 +#define TELIT_PRODUCT_DE910_DUAL 0x1010 /* ZTE PRODUCTS */ #define ZTE_VENDOR_ID 0x19d2 @@ -484,6 +487,9 @@ static void option_instat_callback(struct urb *urb); #define LG_VENDOR_ID 0x1004 #define LG_PRODUCT_L02C 0x618f +/* MediaTek products */ +#define MEDIATEK_VENDOR_ID 0x0e8d + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -768,6 +774,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf1_blacklist }, @@ -892,6 +901,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0162, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0164, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0167, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) }, @@ -1198,6 +1209,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZD_VENDOR_ID, ZD_PRODUCT_7000, 0xff, 0xff, 0xff) }, { USB_DEVICE(LG_VENDOR_ID, LG_PRODUCT_L02C) }, /* docomo L-02C modem */ + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a1, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a1, 0xff, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x02, 0x01) }, /* MediaTek MT6276M modem & app port */ { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); @@ -1212,7 +1227,6 @@ static struct usb_driver option_driver = { .supports_autosuspend = 1, #endif .id_table = option_ids, - .no_dynamic_id = 1, }; /* The card has three separate interfaces, which the serial driver @@ -1225,7 +1239,6 @@ static struct usb_serial_driver option_1port_device = { .name = "option1", }, .description = "GSM modem (1-port)", - .usb_driver = &option_driver, .id_table = option_ids, .num_ports = 1, .probe = option_probe, @@ -1249,6 +1262,10 @@ static struct usb_serial_driver option_1port_device = { #endif }; +static struct usb_serial_driver * const serial_drivers[] = { + &option_1port_device, NULL +}; + static bool debug; /* per port private data */ @@ -1280,36 +1297,7 @@ struct option_port_private { unsigned long tx_start_time[N_OUT_URB]; }; -/* Functions used by new usb-serial code. */ -static int __init option_init(void) -{ - int retval; - retval = usb_serial_register(&option_1port_device); - if (retval) - goto failed_1port_device_register; - retval = usb_register(&option_driver); - if (retval) - goto failed_driver_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; - -failed_driver_register: - usb_serial_deregister(&option_1port_device); -failed_1port_device_register: - return retval; -} - -static void __exit option_exit(void) -{ - usb_deregister(&option_driver); - usb_serial_deregister(&option_1port_device); -} - -module_init(option_init); -module_exit(option_exit); +module_usb_serial_driver(option_driver, serial_drivers); static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason, const struct option_blacklist_info *blacklist) @@ -1360,6 +1348,7 @@ static int option_probe(struct usb_serial *serial, serial->interface->cur_altsetting->desc.bInterfaceNumber, OPTION_BLACKLIST_RESERVED_IF, (const struct option_blacklist_info *) id->driver_info)) + return -ENODEV; /* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */ if (serial->dev->descriptor.idVendor == SAMSUNG_VENDOR_ID && diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index e287fd32682..5fdc33c6a3c 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -71,7 +71,6 @@ static struct usb_driver oti6858_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static bool debug; @@ -157,7 +156,6 @@ static struct usb_serial_driver oti6858_device = { .name = "oti6858", }, .id_table = id_table, - .usb_driver = &oti6858_driver, .num_ports = 1, .open = oti6858_open, .close = oti6858_close, @@ -176,6 +174,10 @@ static struct usb_serial_driver oti6858_device = { .release = oti6858_release, }; +static struct usb_serial_driver * const serial_drivers[] = { + &oti6858_device, NULL +}; + struct oti6858_private { spinlock_t lock; @@ -302,7 +304,7 @@ static void send_data(struct work_struct *work) if (count != 0) { allow = kmalloc(1, GFP_KERNEL); if (!allow) { - dev_err(&port->dev, "%s(): kmalloc failed\n", + dev_err_console(port, "%s(): kmalloc failed\n", __func__); return; } @@ -334,7 +336,7 @@ static void send_data(struct work_struct *work) port->write_urb->transfer_buffer_length = count; result = usb_submit_urb(port->write_urb, GFP_NOIO); if (result != 0) { - dev_err(&port->dev, "%s(): usb_submit_urb() failed" + dev_err_console(port, "%s(): usb_submit_urb() failed" " with error %d\n", __func__, result); priv->flags.write_urb_in_use = 0; } @@ -938,7 +940,7 @@ static void oti6858_write_bulk_callback(struct urb *urb) port->write_urb->transfer_buffer_length = 1; result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, "%s(): usb_submit_urb() failed," + dev_err_console(port, "%s(): usb_submit_urb() failed," " error %d\n", __func__, result); } else { return; @@ -956,29 +958,7 @@ static void oti6858_write_bulk_callback(struct urb *urb) } } -/* module description and (de)initialization */ - -static int __init oti6858_init(void) -{ - int retval; - - retval = usb_serial_register(&oti6858_device); - if (retval == 0) { - retval = usb_register(&oti6858_driver); - if (retval) - usb_serial_deregister(&oti6858_device); - } - return retval; -} - -static void __exit oti6858_exit(void) -{ - usb_deregister(&oti6858_driver); - usb_serial_deregister(&oti6858_device); -} - -module_init(oti6858_init); -module_exit(oti6858_exit); +module_usb_serial_driver(oti6858_driver, serial_drivers); MODULE_DESCRIPTION(OTI6858_DESCRIPTION); MODULE_AUTHOR(OTI6858_AUTHOR); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 3d8cda57ce7..ff4a174fa5d 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -104,7 +104,6 @@ static struct usb_driver pl2303_driver = { .id_table = id_table, .suspend = usb_serial_suspend, .resume = usb_serial_resume, - .no_dynamic_id = 1, .supports_autosuspend = 1, }; @@ -834,7 +833,6 @@ static struct usb_serial_driver pl2303_device = { .name = "pl2303", }, .id_table = id_table, - .usb_driver = &pl2303_driver, .num_ports = 1, .bulk_in_size = 256, .bulk_out_size = 256, @@ -853,32 +851,11 @@ static struct usb_serial_driver pl2303_device = { .release = pl2303_release, }; -static int __init pl2303_init(void) -{ - int retval; - - retval = usb_serial_register(&pl2303_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&pl2303_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&pl2303_device); -failed_usb_serial_register: - return retval; -} - -static void __exit pl2303_exit(void) -{ - usb_deregister(&pl2303_driver); - usb_serial_deregister(&pl2303_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &pl2303_device, NULL +}; -module_init(pl2303_init); -module_exit(pl2303_exit); +module_usb_serial_driver(pl2303_driver, serial_drivers); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c index a34819884c1..966245680f5 100644 --- a/drivers/usb/serial/qcaux.c +++ b/drivers/usb/serial/qcaux.c @@ -82,7 +82,6 @@ static struct usb_driver qcaux_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver qcaux_device = { @@ -91,29 +90,12 @@ static struct usb_serial_driver qcaux_device = { .name = "qcaux", }, .id_table = id_table, - .usb_driver = &qcaux_driver, .num_ports = 1, }; -static int __init qcaux_init(void) -{ - int retval; - - retval = usb_serial_register(&qcaux_device); - if (retval) - return retval; - retval = usb_register(&qcaux_driver); - if (retval) - usb_serial_deregister(&qcaux_device); - return retval; -} - -static void __exit qcaux_exit(void) -{ - usb_deregister(&qcaux_driver); - usb_serial_deregister(&qcaux_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &qcaux_device, NULL +}; -module_init(qcaux_init); -module_exit(qcaux_exit); +module_usb_serial_driver(qcaux_driver, serial_drivers); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index f98800f2324..0206b10c9e6 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -24,39 +24,44 @@ static bool debug; +#define DEVICE_G1K(v, p) \ + USB_DEVICE(v, p), .driver_info = 1 + static const struct usb_device_id id_table[] = { - {USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ - {USB_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ - {USB_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ - {USB_DEVICE(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ - {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ - {USB_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ - {USB_DEVICE(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ - {USB_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ - {USB_DEVICE(0x413c, 0x8171)}, /* Dell Gobi QDL device */ - {USB_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ - {USB_DEVICE(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ - {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi QDL device */ - {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi QDL device */ - {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi QDL device */ - {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi QDL device */ - {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi QDL device */ - {USB_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ - {USB_DEVICE(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ - {USB_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ - {USB_DEVICE(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ - {USB_DEVICE(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ - {USB_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ - {USB_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ - {USB_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ - {USB_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ - {USB_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ - {USB_DEVICE(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ - {USB_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ - {USB_DEVICE(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ - {USB_DEVICE(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ - {USB_DEVICE(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ - {USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ + /* Gobi 1000 devices */ + {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ + {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ + {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ + {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ + {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ + {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ + {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */ + {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */ + {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ + {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ + {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ + {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ + {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ + {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ + {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ + {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ + {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ + {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ + {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ + {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ + {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ + {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ + {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ + {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ + {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ + {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ + + /* Gobi 2000 devices */ + {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ + {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */ + {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */ + {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */ + {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */ {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ @@ -92,6 +97,8 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ + /* Gobi 3000 devices */ + {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */ {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */ {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */ @@ -122,8 +129,10 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) int retval = -ENODEV; __u8 nintf; __u8 ifnum; + bool is_gobi1k = id->driver_info ? true : false; dbg("%s", __func__); + dbg("Is Gobi 1000 = %d", is_gobi1k); nintf = serial->dev->actconfig->desc.bNumInterfaces; dbg("Num Interfaces = %d", nintf); @@ -169,15 +178,25 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) case 3: case 4: - /* Composite mode */ - /* ifnum == 0 is a broadband network adapter */ - if (ifnum == 1) { - /* - * Diagnostics Monitor (serial line 9600 8N1) - * Qualcomm DM protocol - * use "libqcdm" (ModemManager) for communication - */ - dbg("Diagnostics Monitor found"); + /* Composite mode; don't bind to the QMI/net interface as that + * gets handled by other drivers. + */ + + /* Gobi 1K USB layout: + * 0: serial port (doesn't respond) + * 1: serial port (doesn't respond) + * 2: AT-capable modem port + * 3: QMI/net + * + * Gobi 2K+ USB layout: + * 0: QMI/net + * 1: DM/DIAG (use libqcdm from ModemManager for communication) + * 2: AT-capable modem port + * 3: NMEA + */ + + if (ifnum == 1 && !is_gobi1k) { + dbg("Gobi 2K+ DM/DIAG interface found"); retval = usb_set_interface(serial->dev, ifnum, 0); if (retval < 0) { dev_err(&serial->dev->dev, @@ -196,13 +215,13 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) retval = -ENODEV; kfree(data); } - } else if (ifnum==3) { + } else if (ifnum==3 && !is_gobi1k) { /* * NMEA (serial line 9600 8N1) * # echo "\$GPS_START" > /dev/ttyUSBx * # echo "\$GPS_STOP" > /dev/ttyUSBx */ - dbg("NMEA GPS interface found"); + dbg("Gobi 2K+ NMEA GPS interface found"); retval = usb_set_interface(serial->dev, ifnum, 0); if (retval < 0) { dev_err(&serial->dev->dev, @@ -246,7 +265,6 @@ static struct usb_serial_driver qcdevice = { }, .description = "Qualcomm USB modem", .id_table = id_table, - .usb_driver = &qcdriver, .num_ports = 1, .probe = qcprobe, .open = usb_wwan_open, @@ -263,31 +281,11 @@ static struct usb_serial_driver qcdevice = { #endif }; -static int __init qcinit(void) -{ - int retval; - - retval = usb_serial_register(&qcdevice); - if (retval) - return retval; - - retval = usb_register(&qcdriver); - if (retval) { - usb_serial_deregister(&qcdevice); - return retval; - } - - return 0; -} - -static void __exit qcexit(void) -{ - usb_deregister(&qcdriver); - usb_serial_deregister(&qcdevice); -} +static struct usb_serial_driver * const serial_drivers[] = { + &qcdevice, NULL +}; -module_init(qcinit); -module_exit(qcexit); +module_usb_serial_driver(qcdriver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index d074b3740dc..ae4ee30c741 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -156,7 +156,6 @@ static struct usb_driver safe_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static const __u16 crc10_table[256] = { @@ -309,16 +308,19 @@ static struct usb_serial_driver safe_device = { .name = "safe_serial", }, .id_table = id_table, - .usb_driver = &safe_driver, .num_ports = 1, .process_read_urb = safe_process_read_urb, .prepare_write_buffer = safe_prepare_write_buffer, .attach = safe_startup, }; +static struct usb_serial_driver * const serial_drivers[] = { + &safe_device, NULL +}; + static int __init safe_init(void) { - int i, retval; + int i; printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" DRIVER_DESC "\n"); @@ -337,24 +339,12 @@ static int __init safe_init(void) } } - retval = usb_serial_register(&safe_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&safe_driver); - if (retval) - goto failed_usb_register; - - return 0; -failed_usb_register: - usb_serial_deregister(&safe_device); -failed_usb_serial_register: - return retval; + return usb_serial_register_drivers(&safe_driver, serial_drivers); } static void __exit safe_exit(void) { - usb_deregister(&safe_driver); - usb_serial_deregister(&safe_device); + usb_serial_deregister_drivers(&safe_driver, serial_drivers); } module_init(safe_init); diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c index 74cd4ccdb3f..46c0430fd38 100644 --- a/drivers/usb/serial/siemens_mpi.c +++ b/drivers/usb/serial/siemens_mpi.c @@ -42,37 +42,15 @@ static struct usb_serial_driver siemens_usb_mpi_device = { .name = "siemens_mpi", }, .id_table = id_table, - .usb_driver = &siemens_usb_mpi_driver, .num_ports = 1, }; -static int __init siemens_usb_mpi_init(void) -{ - int retval; - - retval = usb_serial_register(&siemens_usb_mpi_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&siemens_usb_mpi_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO DRIVER_DESC "\n"); - printk(KERN_INFO DRIVER_VERSION " " DRIVER_AUTHOR "\n"); - return retval; -failed_usb_register: - usb_serial_deregister(&siemens_usb_mpi_device); -failed_usb_serial_register: - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &siemens_usb_mpi_device, NULL +}; -static void __exit siemens_usb_mpi_exit(void) -{ - usb_deregister(&siemens_usb_mpi_driver); - usb_serial_deregister(&siemens_usb_mpi_device); -} +module_usb_serial_driver(siemens_usb_mpi_driver, serial_drivers); -module_init(siemens_usb_mpi_init); -module_exit(siemens_usb_mpi_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index fdae0a4407c..f14465a83dd 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -1084,7 +1084,6 @@ static struct usb_driver sierra_driver = { .resume = usb_serial_resume, .reset_resume = sierra_reset_resume, .id_table = id_table, - .no_dynamic_id = 1, .supports_autosuspend = 1, }; @@ -1095,7 +1094,6 @@ static struct usb_serial_driver sierra_device = { }, .description = "Sierra USB modem", .id_table = id_table, - .usb_driver = &sierra_driver, .calc_num_ports = sierra_calc_num_ports, .probe = sierra_probe, .open = sierra_open, @@ -1113,38 +1111,11 @@ static struct usb_serial_driver sierra_device = { .read_int_callback = sierra_instat_callback, }; -/* Functions used by new usb-serial code. */ -static int __init sierra_init(void) -{ - int retval; - retval = usb_serial_register(&sierra_device); - if (retval) - goto failed_device_register; - - - retval = usb_register(&sierra_driver); - if (retval) - goto failed_driver_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; - -failed_driver_register: - usb_serial_deregister(&sierra_device); -failed_device_register: - return retval; -} - -static void __exit sierra_exit(void) -{ - usb_deregister(&sierra_driver); - usb_serial_deregister(&sierra_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &sierra_device, NULL +}; -module_init(sierra_init); -module_exit(sierra_exit); +module_usb_serial_driver(sierra_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index d7f5eee18f0..f06c9a8f3d3 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -156,7 +156,6 @@ static struct usb_driver spcp8x5_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; @@ -649,7 +648,6 @@ static struct usb_serial_driver spcp8x5_device = { .name = "SPCP8x5", }, .id_table = id_table, - .usb_driver = &spcp8x5_driver, .num_ports = 1, .open = spcp8x5_open, .dtr_rts = spcp8x5_dtr_rts, @@ -664,32 +662,11 @@ static struct usb_serial_driver spcp8x5_device = { .process_read_urb = spcp8x5_process_read_urb, }; -static int __init spcp8x5_init(void) -{ - int retval; - retval = usb_serial_register(&spcp8x5_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&spcp8x5_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&spcp8x5_device); -failed_usb_serial_register: - return retval; -} - -static void __exit spcp8x5_exit(void) -{ - usb_deregister(&spcp8x5_driver); - usb_serial_deregister(&spcp8x5_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &spcp8x5_device, NULL +}; -module_init(spcp8x5_init); -module_exit(spcp8x5_exit); +module_usb_serial_driver(spcp8x5_driver, serial_drivers); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index 7697858d885..3cdc8a52de4 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -70,7 +70,6 @@ static struct usb_driver ssu100_driver = { .id_table = id_table, .suspend = usb_serial_suspend, .resume = usb_serial_resume, - .no_dynamic_id = 1, .supports_autosuspend = 1, }; @@ -677,7 +676,6 @@ static struct usb_serial_driver ssu100_device = { }, .description = DRIVER_DESC, .id_table = id_table, - .usb_driver = &ssu100_driver, .num_ports = 1, .open = ssu100_open, .close = ssu100_close, @@ -693,41 +691,11 @@ static struct usb_serial_driver ssu100_device = { .disconnect = usb_serial_generic_disconnect, }; -static int __init ssu100_init(void) -{ - int retval; - - dbg("%s", __func__); - - /* register with usb-serial */ - retval = usb_serial_register(&ssu100_device); - - if (retval) - goto failed_usb_sio_register; - - retval = usb_register(&ssu100_driver); - if (retval) - goto failed_usb_register; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - return 0; - -failed_usb_register: - usb_serial_deregister(&ssu100_device); -failed_usb_sio_register: - return retval; -} - -static void __exit ssu100_exit(void) -{ - usb_deregister(&ssu100_driver); - usb_serial_deregister(&ssu100_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &ssu100_device, NULL +}; -module_init(ssu100_init); -module_exit(ssu100_exit); +module_usb_serial_driver(ssu100_driver, serial_drivers); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 50651cf4fc6..1a5be136e6c 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -287,7 +287,6 @@ static struct usb_driver symbol_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver symbol_device = { @@ -296,7 +295,6 @@ static struct usb_serial_driver symbol_device = { .name = "symbol", }, .id_table = id_table, - .usb_driver = &symbol_driver, .num_ports = 1, .attach = symbol_startup, .open = symbol_open, @@ -307,27 +305,12 @@ static struct usb_serial_driver symbol_device = { .unthrottle = symbol_unthrottle, }; -static int __init symbol_init(void) -{ - int retval; - - retval = usb_serial_register(&symbol_device); - if (retval) - return retval; - retval = usb_register(&symbol_driver); - if (retval) - usb_serial_deregister(&symbol_device); - return retval; -} +static struct usb_serial_driver * const serial_drivers[] = { + &symbol_device, NULL +}; -static void __exit symbol_exit(void) -{ - usb_deregister(&symbol_driver); - usb_serial_deregister(&symbol_device); -} +module_usb_serial_driver(symbol_driver, serial_drivers); -module_init(symbol_init); -module_exit(symbol_exit); MODULE_LICENSE("GPL"); module_param(debug, bool, S_IRUGO | S_IWUSR); diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 75b838eff17..ab74123d658 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -216,7 +216,6 @@ static struct usb_driver ti_usb_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = ti_id_table_combined, - .no_dynamic_id = 1, }; static struct usb_serial_driver ti_1port_device = { @@ -225,7 +224,6 @@ static struct usb_serial_driver ti_1port_device = { .name = "ti_usb_3410_5052_1", }, .description = "TI USB 3410 1 port adapter", - .usb_driver = &ti_usb_driver, .id_table = ti_id_table_3410, .num_ports = 1, .attach = ti_startup, @@ -254,7 +252,6 @@ static struct usb_serial_driver ti_2port_device = { .name = "ti_usb_3410_5052_2", }, .description = "TI USB 5052 2 port adapter", - .usb_driver = &ti_usb_driver, .id_table = ti_id_table_5052, .num_ports = 2, .attach = ti_startup, @@ -277,6 +274,9 @@ static struct usb_serial_driver ti_2port_device = { .write_bulk_callback = ti_bulk_out_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &ti_1port_device, &ti_2port_device, NULL +}; /* Module */ @@ -344,36 +344,17 @@ static int __init ti_init(void) ti_id_table_combined[c].match_flags = USB_DEVICE_ID_MATCH_DEVICE; } - ret = usb_serial_register(&ti_1port_device); - if (ret) - goto failed_1port; - ret = usb_serial_register(&ti_2port_device); - if (ret) - goto failed_2port; - - ret = usb_register(&ti_usb_driver); - if (ret) - goto failed_usb; - - printk(KERN_INFO KBUILD_MODNAME ": " TI_DRIVER_VERSION ":" - TI_DRIVER_DESC "\n"); - - return 0; - -failed_usb: - usb_serial_deregister(&ti_2port_device); -failed_2port: - usb_serial_deregister(&ti_1port_device); -failed_1port: + ret = usb_serial_register_drivers(&ti_usb_driver, serial_drivers); + if (ret == 0) + printk(KERN_INFO KBUILD_MODNAME ": " TI_DRIVER_VERSION ":" + TI_DRIVER_DESC "\n"); return ret; } static void __exit ti_exit(void) { - usb_deregister(&ti_usb_driver); - usb_serial_deregister(&ti_1port_device); - usb_serial_deregister(&ti_2port_device); + usb_serial_deregister_drivers(&ti_usb_driver, serial_drivers); } @@ -1250,7 +1231,6 @@ static void ti_bulk_out_callback(struct urb *urb) { struct ti_port *tport = urb->context; struct usb_serial_port *port = tport->tp_port; - struct device *dev = &urb->dev->dev; int status = urb->status; dbg("%s - port %d", __func__, port->number); @@ -1268,7 +1248,7 @@ static void ti_bulk_out_callback(struct urb *urb) wake_up_interruptible(&tport->tp_write_wait); return; default: - dev_err(dev, "%s - nonzero urb status, %d\n", + dev_err_console(port, "%s - nonzero urb status, %d\n", __func__, status); tport->tp_tdev->td_urb_error = 1; wake_up_interruptible(&tport->tp_write_wait); @@ -1337,7 +1317,7 @@ static void ti_send(struct ti_port *tport) result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, "%s - submit write urb failed, %d\n", + dev_err_console(port, "%s - submit write urb failed, %d\n", __func__, result); tport->tp_write_urb_in_use = 0; /* TODO: reschedule ti_send */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index d4e724d9b1f..69230f01056 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1333,7 +1333,7 @@ static void fixup_generic(struct usb_serial_driver *device) set_to_generic_if_null(device, prepare_write_buffer); } -int usb_serial_register(struct usb_serial_driver *driver) +static int usb_serial_register(struct usb_serial_driver *driver) { int retval; @@ -1367,10 +1367,8 @@ int usb_serial_register(struct usb_serial_driver *driver) mutex_unlock(&table_lock); return retval; } -EXPORT_SYMBOL_GPL(usb_serial_register); - -void usb_serial_deregister(struct usb_serial_driver *device) +static void usb_serial_deregister(struct usb_serial_driver *device) { printk(KERN_INFO "USB Serial deregistering driver %s\n", device->description); @@ -1379,7 +1377,76 @@ void usb_serial_deregister(struct usb_serial_driver *device) usb_serial_bus_deregister(device); mutex_unlock(&table_lock); } -EXPORT_SYMBOL_GPL(usb_serial_deregister); + +/** + * usb_serial_register_drivers - register drivers for a usb-serial module + * @udriver: usb_driver used for matching devices/interfaces + * @serial_drivers: NULL-terminated array of pointers to drivers to be registered + * + * Registers @udriver and all the drivers in the @serial_drivers array. + * Automatically fills in the .no_dynamic_id field in @udriver and + * the .usb_driver field in each serial driver. + */ +int usb_serial_register_drivers(struct usb_driver *udriver, + struct usb_serial_driver * const serial_drivers[]) +{ + int rc; + const struct usb_device_id *saved_id_table; + struct usb_serial_driver * const *sd; + + /* + * udriver must be registered before any of the serial drivers, + * because the store_new_id() routine for the serial drivers (in + * bus.c) probes udriver. + * + * Performance hack: We don't want udriver to be probed until + * the serial drivers are registered, because the probe would + * simply fail for lack of a matching serial driver. + * Therefore save off udriver's id_table until we are all set. + */ + saved_id_table = udriver->id_table; + udriver->id_table = NULL; + + udriver->no_dynamic_id = 1; + rc = usb_register(udriver); + if (rc) + return rc; + + for (sd = serial_drivers; *sd; ++sd) { + (*sd)->usb_driver = udriver; + rc = usb_serial_register(*sd); + if (rc) + goto failed; + } + + /* Now restore udriver's id_table and look for matches */ + udriver->id_table = saved_id_table; + rc = driver_attach(&udriver->drvwrap.driver); + return 0; + + failed: + while (sd-- > serial_drivers) + usb_serial_deregister(*sd); + usb_deregister(udriver); + return rc; +} +EXPORT_SYMBOL_GPL(usb_serial_register_drivers); + +/** + * usb_serial_deregister_drivers - deregister drivers for a usb-serial module + * @udriver: usb_driver to unregister + * @serial_drivers: NULL-terminated array of pointers to drivers to be deregistered + * + * Deregisters @udriver and all the drivers in the @serial_drivers array. + */ +void usb_serial_deregister_drivers(struct usb_driver *udriver, + struct usb_serial_driver * const serial_drivers[]) +{ + for (; *serial_drivers; ++serial_drivers) + usb_serial_deregister(*serial_drivers); + usb_deregister(udriver); +} +EXPORT_SYMBOL_GPL(usb_serial_deregister_drivers); /* Module information */ MODULE_AUTHOR(DRIVER_AUTHOR); diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index 9b632e75321..e3e8995a473 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -40,7 +40,6 @@ static struct usb_driver debug_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; /* This HW really does not support a serial break, so one will be @@ -74,32 +73,15 @@ static struct usb_serial_driver debug_device = { .name = "debug", }, .id_table = id_table, - .usb_driver = &debug_driver, .num_ports = 1, .bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE, .break_ctl = usb_debug_break_ctl, .process_read_urb = usb_debug_process_read_urb, }; -static int __init debug_init(void) -{ - int retval; - - retval = usb_serial_register(&debug_device); - if (retval) - return retval; - retval = usb_register(&debug_driver); - if (retval) - usb_serial_deregister(&debug_device); - return retval; -} - -static void __exit debug_exit(void) -{ - usb_deregister(&debug_driver); - usb_serial_deregister(&debug_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &debug_device, NULL +}; -module_init(debug_init); -module_exit(debug_exit); +module_usb_serial_driver(debug_driver, serial_drivers); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 210e4b10dc1..71d696474f2 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -173,7 +173,6 @@ static struct usb_driver visor_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; /* All of the device info needed for the Handspring Visor, @@ -184,7 +183,6 @@ static struct usb_serial_driver handspring_device = { .name = "visor", }, .description = "Handspring Visor / Palm OS", - .usb_driver = &visor_driver, .id_table = id_table, .num_ports = 2, .bulk_out_size = 256, @@ -205,7 +203,6 @@ static struct usb_serial_driver clie_5_device = { .name = "clie_5", }, .description = "Sony Clie 5.0", - .usb_driver = &visor_driver, .id_table = clie_id_5_table, .num_ports = 2, .bulk_out_size = 256, @@ -226,7 +223,6 @@ static struct usb_serial_driver clie_3_5_device = { .name = "clie_3.5", }, .description = "Sony Clie 3.5", - .usb_driver = &visor_driver, .id_table = clie_id_3_5_table, .num_ports = 1, .bulk_out_size = 256, @@ -237,6 +233,10 @@ static struct usb_serial_driver clie_3_5_device = { .attach = clie_3_5_startup, }; +static struct usb_serial_driver * const serial_drivers[] = { + &handspring_device, &clie_5_device, &clie_3_5_device, NULL +}; + /****************************************************************************** * Handspring Visor specific driver functions ******************************************************************************/ @@ -685,38 +685,17 @@ static int __init visor_init(void) ": Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x\n", vendor, product); } - retval = usb_serial_register(&handspring_device); - if (retval) - goto failed_handspring_register; - retval = usb_serial_register(&clie_3_5_device); - if (retval) - goto failed_clie_3_5_register; - retval = usb_serial_register(&clie_5_device); - if (retval) - goto failed_clie_5_register; - retval = usb_register(&visor_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&clie_5_device); -failed_clie_5_register: - usb_serial_deregister(&clie_3_5_device); -failed_clie_3_5_register: - usb_serial_deregister(&handspring_device); -failed_handspring_register: + retval = usb_serial_register_drivers(&visor_driver, serial_drivers); + if (retval == 0) + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); return retval; } static void __exit visor_exit (void) { - usb_deregister(&visor_driver); - usb_serial_deregister(&handspring_device); - usb_serial_deregister(&clie_3_5_device); - usb_serial_deregister(&clie_5_device); + usb_serial_deregister_drivers(&visor_driver, serial_drivers); } diff --git a/drivers/usb/serial/vivopay-serial.c b/drivers/usb/serial/vivopay-serial.c index f719d00972f..078f338b5fe 100644 --- a/drivers/usb/serial/vivopay-serial.c +++ b/drivers/usb/serial/vivopay-serial.c @@ -30,7 +30,6 @@ static struct usb_driver vivopay_serial_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver vivopay_serial_device = { @@ -39,36 +38,14 @@ static struct usb_serial_driver vivopay_serial_device = { .name = "vivopay-serial", }, .id_table = id_table, - .usb_driver = &vivopay_serial_driver, .num_ports = 1, }; -static int __init vivopay_serial_init(void) -{ - int retval; - retval = usb_serial_register(&vivopay_serial_device); - if (retval) - goto failed_usb_serial_register; - retval = usb_register(&vivopay_serial_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&vivopay_serial_device); -failed_usb_serial_register: - return retval; -} - -static void __exit vivopay_serial_exit(void) -{ - usb_deregister(&vivopay_serial_driver); - usb_serial_deregister(&vivopay_serial_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &vivopay_serial_device, NULL +}; -module_init(vivopay_serial_init); -module_exit(vivopay_serial_exit); +module_usb_serial_driver(vivopay_serial_driver, serial_drivers); MODULE_AUTHOR("Forest Bond <forest.bond@outpostembedded.com>"); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 7e0acf5c8e3..407e23c8794 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -83,7 +83,6 @@ static struct usb_driver whiteheat_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table_combined, - .no_dynamic_id = 1, }; /* function prototypes for the Connect Tech WhiteHEAT prerenumeration device */ @@ -121,7 +120,6 @@ static struct usb_serial_driver whiteheat_fake_device = { .name = "whiteheatnofirm", }, .description = "Connect Tech - WhiteHEAT - (prerenumeration)", - .usb_driver = &whiteheat_driver, .id_table = id_table_prerenumeration, .num_ports = 1, .probe = whiteheat_firmware_download, @@ -134,7 +132,6 @@ static struct usb_serial_driver whiteheat_device = { .name = "whiteheat", }, .description = "Connect Tech - WhiteHEAT", - .usb_driver = &whiteheat_driver, .id_table = id_table_std, .num_ports = 4, .attach = whiteheat_attach, @@ -155,6 +152,9 @@ static struct usb_serial_driver whiteheat_device = { .write_bulk_callback = whiteheat_write_callback, }; +static struct usb_serial_driver * const serial_drivers[] = { + &whiteheat_fake_device, &whiteheat_device, NULL +}; struct whiteheat_command_private { struct mutex mutex; @@ -740,7 +740,7 @@ static int whiteheat_write(struct tty_struct *tty, urb->transfer_buffer_length = bytes; result = usb_submit_urb(urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, + dev_err_console(port, "%s - failed submitting write urb, error %d\n", __func__, result); sent = result; @@ -1454,44 +1454,7 @@ out: tty_kref_put(tty); } - -/***************************************************************************** - * Connect Tech's White Heat module functions - *****************************************************************************/ -static int __init whiteheat_init(void) -{ - int retval; - retval = usb_serial_register(&whiteheat_fake_device); - if (retval) - goto failed_fake_register; - retval = usb_serial_register(&whiteheat_device); - if (retval) - goto failed_device_register; - retval = usb_register(&whiteheat_driver); - if (retval) - goto failed_usb_register; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -failed_usb_register: - usb_serial_deregister(&whiteheat_device); -failed_device_register: - usb_serial_deregister(&whiteheat_fake_device); -failed_fake_register: - return retval; -} - - -static void __exit whiteheat_exit(void) -{ - usb_deregister(&whiteheat_driver); - usb_serial_deregister(&whiteheat_fake_device); - usb_serial_deregister(&whiteheat_device); -} - - -module_init(whiteheat_init); -module_exit(whiteheat_exit); +module_usb_serial_driver(whiteheat_driver, serial_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/zio.c b/drivers/usb/serial/zio.c index f5796727883..9d0bb3752cd 100644 --- a/drivers/usb/serial/zio.c +++ b/drivers/usb/serial/zio.c @@ -27,7 +27,6 @@ static struct usb_driver zio_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, }; static struct usb_serial_driver zio_device = { @@ -36,29 +35,12 @@ static struct usb_serial_driver zio_device = { .name = "zio", }, .id_table = id_table, - .usb_driver = &zio_driver, .num_ports = 1, }; -static int __init zio_init(void) -{ - int retval; - - retval = usb_serial_register(&zio_device); - if (retval) - return retval; - retval = usb_register(&zio_driver); - if (retval) - usb_serial_deregister(&zio_device); - return retval; -} - -static void __exit zio_exit(void) -{ - usb_deregister(&zio_driver); - usb_serial_deregister(&zio_device); -} +static struct usb_serial_driver * const serial_drivers[] = { + &zio_device, NULL +}; -module_init(zio_init); -module_exit(zio_exit); +module_usb_serial_driver(zio_driver, serial_drivers); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index 51af2fee2ef..bab8c8fe829 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -1276,6 +1276,7 @@ static struct usb_driver alauda_driver = { .post_reset = usb_stor_post_reset, .id_table = alauda_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(alauda_driver); diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index 387cbd47acc..5fe451d16e6 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -272,6 +272,7 @@ static struct usb_driver cypress_driver = { .post_reset = usb_stor_post_reset, .id_table = cypress_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(cypress_driver); diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c index 15d41f2b3d6..35e9c51e669 100644 --- a/drivers/usb/storage/datafab.c +++ b/drivers/usb/storage/datafab.c @@ -751,6 +751,7 @@ static struct usb_driver datafab_driver = { .post_reset = usb_stor_post_reset, .id_table = datafab_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(datafab_driver); diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c index a6ade4071a9..e7e67810950 100644 --- a/drivers/usb/storage/ene_ub6250.c +++ b/drivers/usb/storage/ene_ub6250.c @@ -674,7 +674,7 @@ static int sd_scsi_read(struct us_data *us, struct scsi_cmnd *srb) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = blenByte; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[5] = (unsigned char)(bnByte); bcb->CDB[4] = (unsigned char)(bnByte>>8); @@ -858,7 +858,7 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr, memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x02; /* in init.c ENE_MSInit() is 0x01 */ @@ -877,7 +877,7 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr, memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x03; @@ -1170,7 +1170,7 @@ static int ms_read_eraseblock(struct us_data *us, u32 PhyBlockAddr) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF2; bcb->CDB[1] = 0x06; bcb->CDB[4] = (unsigned char)(bn); @@ -1249,7 +1249,7 @@ static int ms_lib_overwrite_extra(struct us_data *us, u32 PhyBlockAddr, memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF2; bcb->CDB[1] = 0x05; bcb->CDB[5] = (unsigned char)(PageNum); @@ -1331,7 +1331,7 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock, memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x03; bcb->CDB[5] = (unsigned char)(PageNum); @@ -1533,7 +1533,7 @@ static int ms_lib_read_extrablock(struct us_data *us, u32 PhyBlock, memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4 * blen; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x03; bcb->CDB[5] = (unsigned char)(PageNum); @@ -1650,7 +1650,7 @@ static int ms_scsi_read(struct us_data *us, struct scsi_cmnd *srb) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = blenByte; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x02; bcb->CDB[5] = (unsigned char)(bn); @@ -1694,7 +1694,7 @@ static int ms_scsi_read(struct us_data *us, struct scsi_cmnd *srb) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200 * len; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x02; bcb->CDB[5] = (unsigned char)(blkno); @@ -1827,7 +1827,7 @@ static int ene_get_card_type(struct us_data *us, u16 index, void *buf) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x01; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xED; bcb->CDB[2] = (unsigned char)(index>>8); bcb->CDB[3] = (unsigned char)index; @@ -2083,7 +2083,7 @@ static int ene_ms_init(struct us_data *us) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x01; @@ -2134,7 +2134,7 @@ static int ene_sd_init(struct us_data *us) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF2; result = ene_send_scsi_cmd(us, FDIR_READ, NULL, 0); @@ -2153,7 +2153,7 @@ static int ene_sd_init(struct us_data *us) memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; - bcb->Flags = 0x80; + bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0); @@ -2407,6 +2407,7 @@ static struct usb_driver ene_ub6250_driver = { .post_reset = usb_stor_post_reset, .id_table = ene_ub6250_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(ene_ub6250_driver); diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c index fa161574847..042cf9ef315 100644 --- a/drivers/usb/storage/freecom.c +++ b/drivers/usb/storage/freecom.c @@ -553,6 +553,7 @@ static struct usb_driver freecom_driver = { .post_reset = usb_stor_post_reset, .id_table = freecom_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(freecom_driver); diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index bd550270083..31fa24e7e68 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1566,6 +1566,7 @@ static struct usb_driver isd200_driver = { .post_reset = usb_stor_post_reset, .id_table = isd200_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(isd200_driver); diff --git a/drivers/usb/storage/jumpshot.c b/drivers/usb/storage/jumpshot.c index a19211b5c26..e3b97383186 100644 --- a/drivers/usb/storage/jumpshot.c +++ b/drivers/usb/storage/jumpshot.c @@ -677,6 +677,7 @@ static struct usb_driver jumpshot_driver = { .post_reset = usb_stor_post_reset, .id_table = jumpshot_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(jumpshot_driver); diff --git a/drivers/usb/storage/karma.c b/drivers/usb/storage/karma.c index e720f8ebdf9..a8708eae978 100644 --- a/drivers/usb/storage/karma.c +++ b/drivers/usb/storage/karma.c @@ -230,6 +230,7 @@ static struct usb_driver karma_driver = { .post_reset = usb_stor_post_reset, .id_table = karma_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(karma_driver); diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index d75155c3820..886567a3806 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -312,6 +312,7 @@ static struct usb_driver onetouch_driver = { .post_reset = usb_stor_post_reset, .id_table = onetouch_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(onetouch_driver); diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index d32f72061c0..63cf2822e29 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -219,7 +219,7 @@ static int rts51x_bulk_transport(struct us_data *us, u8 lun, /* set up the command wrapper */ bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = cpu_to_le32(buf_len); - bcb->Flags = (dir == DMA_FROM_DEVICE) ? 1 << 7 : 0; + bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; bcb->Tag = ++us->tag; bcb->Lun = lun; bcb->Length = cmd_len; @@ -305,7 +305,7 @@ static int rts51x_bulk_transport_special(struct us_data *us, u8 lun, /* set up the command wrapper */ bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = cpu_to_le32(buf_len); - bcb->Flags = (dir == DMA_FROM_DEVICE) ? 1 << 7 : 0; + bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; bcb->Tag = ++us->tag; bcb->Lun = lun; bcb->Length = cmd_len; @@ -507,9 +507,14 @@ static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) { int retval; u8 cmnd[12] = {0}; + u8 *buf; US_DEBUGP("%s, addr = 0xfe47, len = %d\n", __FUNCTION__, len); + buf = kmemdup(data, len, GFP_NOIO); + if (!buf) + return USB_STOR_TRANSPORT_ERROR; + cmnd[0] = 0xF0; cmnd[1] = 0x0E; cmnd[2] = 0xfe; @@ -517,7 +522,8 @@ static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) cmnd[4] = (u8)(len >> 8); cmnd[5] = (u8)len; - retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, data, len, DMA_TO_DEVICE, NULL); + retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL); + kfree(buf); if (retval != USB_STOR_TRANSPORT_GOOD) { return -EIO; } @@ -1100,6 +1106,7 @@ static struct usb_driver realtek_cr_driver = { .id_table = realtek_cr_ids, .soft_unbind = 1, .supports_autosuspend = 1, + .no_dynamic_id = 1, }; module_usb_driver(realtek_cr_driver); diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 13b8bcdf3db..a324a5d21e9 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -78,8 +78,6 @@ static const char* host_info(struct Scsi_Host *host) static int slave_alloc (struct scsi_device *sdev) { - struct us_data *us = host_to_us(sdev->host); - /* * Set the INQUIRY transfer length to 36. We don't use any of * the extra data and many devices choke if asked for more or @@ -104,18 +102,6 @@ static int slave_alloc (struct scsi_device *sdev) */ blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1)); - /* - * The UFI spec treates the Peripheral Qualifier bits in an - * INQUIRY result as reserved and requires devices to set them - * to 0. However the SCSI spec requires these bits to be set - * to 3 to indicate when a LUN is not present. - * - * Let the scanning code know if this target merely sets - * Peripheral Device Type to 0x1f to indicate no LUN. - */ - if (us->subclass == USB_SC_UFI) - sdev->sdev_target->pdt_1f_for_no_lun = 1; - return 0; } @@ -197,6 +183,9 @@ static int slave_configure(struct scsi_device *sdev) * page x08, so we will skip it. */ sdev->skip_ms_page_8 = 1; + /* Some devices don't handle VPD pages correctly */ + sdev->skip_vpd_pages = 1; + /* Some disks return the total number of blocks in response * to READ CAPACITY rather than the highest block number. * If this device makes that mistake, tell the sd driver. */ @@ -217,16 +206,6 @@ static int slave_configure(struct scsi_device *sdev) if (sdev->scsi_level > SCSI_SPC_2) us->fflags |= US_FL_SANE_SENSE; - /* Some devices report a SCSI revision level above 2 but are - * unable to handle the REPORT LUNS command (for which - * support is mandatory at level 3). Since we already have - * a Get-Max-LUN request, we won't lose much by setting the - * revision level down to 2. The only devices that would be - * affected are those with sparse LUNs. */ - if (sdev->scsi_level > SCSI_2) - sdev->sdev_target->scsi_level = - sdev->scsi_level = SCSI_2; - /* USB-IDE bridges tend to report SK = 0x04 (Non-recoverable * Hardware Error) when any low-level error occurs, * recoverable or not. Setting this flag tells the SCSI @@ -283,6 +262,33 @@ static int slave_configure(struct scsi_device *sdev) return 0; } +static int target_alloc(struct scsi_target *starget) +{ + struct us_data *us = host_to_us(dev_to_shost(starget->dev.parent)); + + /* + * Some USB drives don't support REPORT LUNS, even though they + * report a SCSI revision level above 2. Tell the SCSI layer + * not to issue that command; it will perform a normal sequential + * scan instead. + */ + starget->no_report_luns = 1; + + /* + * The UFI spec treats the Peripheral Qualifier bits in an + * INQUIRY result as reserved and requires devices to set them + * to 0. However the SCSI spec requires these bits to be set + * to 3 to indicate when a LUN is not present. + * + * Let the scanning code know if this target merely sets + * Peripheral Device Type to 0x1f to indicate no LUN. + */ + if (us->subclass == USB_SC_UFI) + starget->pdt_1f_for_no_lun = 1; + + return 0; +} + /* queue a command */ /* This is always called with scsi_lock(host) held */ static int queuecommand_lck(struct scsi_cmnd *srb, @@ -546,6 +552,7 @@ struct scsi_host_template usb_stor_host_template = { .slave_alloc = slave_alloc, .slave_configure = slave_configure, + .target_alloc = target_alloc, /* lots of sg segments can be handled */ .sg_tablesize = SCSI_MAX_SG_CHAIN_SEGMENTS, diff --git a/drivers/usb/storage/sddr09.c b/drivers/usb/storage/sddr09.c index 425df7df2e5..3252a62b31b 100644 --- a/drivers/usb/storage/sddr09.c +++ b/drivers/usb/storage/sddr09.c @@ -1787,6 +1787,7 @@ static struct usb_driver sddr09_driver = { .post_reset = usb_stor_post_reset, .id_table = sddr09_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(sddr09_driver); diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index e4ca5fcb7cc..c144078065a 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -1006,6 +1006,7 @@ static struct usb_driver sddr55_driver = { .post_reset = usb_stor_post_reset, .id_table = sddr55_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(sddr55_driver); diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c index 1369d259061..fa1ceebc465 100644 --- a/drivers/usb/storage/shuttle_usbat.c +++ b/drivers/usb/storage/shuttle_usbat.c @@ -1863,6 +1863,7 @@ static struct usb_driver usbat_driver = { .post_reset = usb_stor_post_reset, .id_table = usbat_usb_ids, .soft_unbind = 1, + .no_dynamic_id = 1, }; module_usb_driver(usbat_driver); diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 0e5c91c6187..c70109e5d60 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -1071,7 +1071,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) /* set up the command wrapper */ bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = cpu_to_le32(transfer_length); - bcb->Flags = srb->sc_data_direction == DMA_FROM_DEVICE ? 1 << 7 : 0; + bcb->Flags = srb->sc_data_direction == DMA_FROM_DEVICE ? + US_BULK_FLAG_IN : 0; bcb->Tag = ++us->tag; bcb->Lun = srb->device->lun; if (us->fflags & US_FL_SCM_MULT_TARG) diff --git a/drivers/usb/storage/transport.h b/drivers/usb/storage/transport.h index 242ff5e791a..9369d752d41 100644 --- a/drivers/usb/storage/transport.h +++ b/drivers/usb/storage/transport.h @@ -42,45 +42,6 @@ #include <linux/blkdev.h> /* - * Bulk only data structures - */ - -/* command block wrapper */ -struct bulk_cb_wrap { - __le32 Signature; /* contains 'USBC' */ - __u32 Tag; /* unique per command id */ - __le32 DataTransferLength; /* size of data */ - __u8 Flags; /* direction in bit 0 */ - __u8 Lun; /* LUN normally 0 */ - __u8 Length; /* of of the CDB */ - __u8 CDB[16]; /* max command */ -}; - -#define US_BULK_CB_WRAP_LEN 31 -#define US_BULK_CB_SIGN 0x43425355 /*spells out USBC */ -#define US_BULK_FLAG_IN 1 -#define US_BULK_FLAG_OUT 0 - -/* command status wrapper */ -struct bulk_cs_wrap { - __le32 Signature; /* should = 'USBS' */ - __u32 Tag; /* same as original command */ - __le32 Residue; /* amount not transferred */ - __u8 Status; /* see below */ - __u8 Filler[18]; -}; - -#define US_BULK_CS_WRAP_LEN 13 -#define US_BULK_CS_SIGN 0x53425355 /* spells out 'USBS' */ -#define US_BULK_STAT_OK 0 -#define US_BULK_STAT_FAIL 1 -#define US_BULK_STAT_PHASE 2 - -/* bulk-only class specific requests */ -#define US_BULK_RESET_REQUEST 0xff -#define US_BULK_GET_MAX_LUN 0xfe - -/* * usb_stor_bulk_transfer_xxx() return codes, in order of severity */ diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index a33ead5dce2..8ec8a6e66f5 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -13,7 +13,9 @@ #include <linux/types.h> #include <linux/module.h> #include <linux/usb.h> +#include <linux/usb/hcd.h> #include <linux/usb/storage.h> +#include <linux/usb/uas.h> #include <scsi/scsi.h> #include <scsi/scsi_dbg.h> @@ -22,49 +24,6 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_tcq.h> -/* Common header for all IUs */ -struct iu { - __u8 iu_id; - __u8 rsvd1; - __be16 tag; -}; - -enum { - IU_ID_COMMAND = 0x01, - IU_ID_STATUS = 0x03, - IU_ID_RESPONSE = 0x04, - IU_ID_TASK_MGMT = 0x05, - IU_ID_READ_READY = 0x06, - IU_ID_WRITE_READY = 0x07, -}; - -struct command_iu { - __u8 iu_id; - __u8 rsvd1; - __be16 tag; - __u8 prio_attr; - __u8 rsvd5; - __u8 len; - __u8 rsvd7; - struct scsi_lun lun; - __u8 cdb[16]; /* XXX: Overflow-checking tools may misunderstand */ -}; - -/* - * Also used for the Read Ready and Write Ready IUs since they have the - * same first four bytes - */ -struct sense_iu { - __u8 iu_id; - __u8 rsvd1; - __be16 tag; - __be16 status_qual; - __u8 status; - __u8 rsvd7[7]; - __be16 len; - __u8 sense[SCSI_SENSE_BUFFERSIZE]; -}; - /* * The r00-r01c specs define this version of the SENSE IU data structure. * It's still in use by several different firmware releases. @@ -79,18 +38,6 @@ struct sense_iu_old { __u8 sense[SCSI_SENSE_BUFFERSIZE]; }; -enum { - CMD_PIPE_ID = 1, - STATUS_PIPE_ID = 2, - DATA_IN_PIPE_ID = 3, - DATA_OUT_PIPE_ID = 4, - - UAS_SIMPLE_TAG = 0, - UAS_HEAD_TAG = 1, - UAS_ORDERED_TAG = 2, - UAS_ACA = 4, -}; - struct uas_dev_info { struct usb_interface *intf; struct usb_device *udev; @@ -98,6 +45,8 @@ struct uas_dev_info { unsigned cmd_pipe, status_pipe, data_in_pipe, data_out_pipe; unsigned use_streams:1; unsigned uas_sense_old:1; + struct scsi_cmnd *cmnd; + struct urb *status_urb; /* used only if stream support is available */ }; enum { @@ -109,6 +58,9 @@ enum { SUBMIT_DATA_OUT_URB = (1 << 5), ALLOC_CMD_URB = (1 << 6), SUBMIT_CMD_URB = (1 << 7), + COMPLETED_DATA_IN = (1 << 8), + COMPLETED_DATA_OUT = (1 << 9), + DATA_COMPLETES_CMD = (1 << 10), }; /* Overrides scsi_pointer */ @@ -116,6 +68,7 @@ struct uas_cmd_info { unsigned int state; unsigned int stream; struct urb *cmd_urb; + /* status_urb is used only if stream support isn't available */ struct urb *status_urb; struct urb *data_in_urb; struct urb *data_out_urb; @@ -125,33 +78,43 @@ struct uas_cmd_info { /* I hate forward declarations, but I actually have a loop */ static int uas_submit_urbs(struct scsi_cmnd *cmnd, struct uas_dev_info *devinfo, gfp_t gfp); +static void uas_do_work(struct work_struct *work); +static DECLARE_WORK(uas_work, uas_do_work); static DEFINE_SPINLOCK(uas_work_lock); static LIST_HEAD(uas_work_list); static void uas_do_work(struct work_struct *work) { struct uas_cmd_info *cmdinfo; + struct uas_cmd_info *temp; struct list_head list; + int err; spin_lock_irq(&uas_work_lock); list_replace_init(&uas_work_list, &list); spin_unlock_irq(&uas_work_lock); - list_for_each_entry(cmdinfo, &list, list) { + list_for_each_entry_safe(cmdinfo, temp, &list, list) { struct scsi_pointer *scp = (void *)cmdinfo; struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp); - uas_submit_urbs(cmnd, cmnd->device->hostdata, GFP_NOIO); + err = uas_submit_urbs(cmnd, cmnd->device->hostdata, GFP_NOIO); + if (err) { + list_del(&cmdinfo->list); + spin_lock_irq(&uas_work_lock); + list_add_tail(&cmdinfo->list, &uas_work_list); + spin_unlock_irq(&uas_work_lock); + schedule_work(&uas_work); + } } } -static DECLARE_WORK(uas_work, uas_do_work); - static void uas_sense(struct urb *urb, struct scsi_cmnd *cmnd) { struct sense_iu *sense_iu = urb->transfer_buffer; struct scsi_device *sdev = cmnd->device; + struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; if (urb->actual_length > 16) { unsigned len = be16_to_cpup(&sense_iu->len); @@ -169,16 +132,15 @@ static void uas_sense(struct urb *urb, struct scsi_cmnd *cmnd) } cmnd->result = sense_iu->status; - if (sdev->current_cmnd) - sdev->current_cmnd = NULL; - cmnd->scsi_done(cmnd); - usb_free_urb(urb); + if (!(cmdinfo->state & DATA_COMPLETES_CMD)) + cmnd->scsi_done(cmnd); } static void uas_sense_old(struct urb *urb, struct scsi_cmnd *cmnd) { struct sense_iu_old *sense_iu = urb->transfer_buffer; struct scsi_device *sdev = cmnd->device; + struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; if (urb->actual_length > 8) { unsigned len = be16_to_cpup(&sense_iu->len) - 2; @@ -196,10 +158,8 @@ static void uas_sense_old(struct urb *urb, struct scsi_cmnd *cmnd) } cmnd->result = sense_iu->status; - if (sdev->current_cmnd) - sdev->current_cmnd = NULL; - cmnd->scsi_done(cmnd); - usb_free_urb(urb); + if (!(cmdinfo->state & DATA_COMPLETES_CMD)) + cmnd->scsi_done(cmnd); } static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd, @@ -208,7 +168,7 @@ static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd, struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; int err; - cmdinfo->state = direction | SUBMIT_STATUS_URB; + cmdinfo->state = direction; err = uas_submit_urbs(cmnd, cmnd->device->hostdata, GFP_ATOMIC); if (err) { spin_lock(&uas_work_lock); @@ -221,27 +181,61 @@ static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd, static void uas_stat_cmplt(struct urb *urb) { struct iu *iu = urb->transfer_buffer; - struct scsi_device *sdev = urb->context; - struct uas_dev_info *devinfo = sdev->hostdata; + struct Scsi_Host *shost = urb->context; + struct uas_dev_info *devinfo = (void *)shost->hostdata[0]; struct scsi_cmnd *cmnd; + struct uas_cmd_info *cmdinfo; u16 tag; + int ret; if (urb->status) { dev_err(&urb->dev->dev, "URB BAD STATUS %d\n", urb->status); - usb_free_urb(urb); + if (devinfo->use_streams) + usb_free_urb(urb); return; } tag = be16_to_cpup(&iu->tag) - 1; - if (sdev->current_cmnd) - cmnd = sdev->current_cmnd; + if (tag == 0) + cmnd = devinfo->cmnd; else - cmnd = scsi_find_tag(sdev, tag); - if (!cmnd) + cmnd = scsi_host_find_tag(shost, tag - 1); + if (!cmnd) { + if (devinfo->use_streams) { + usb_free_urb(urb); + return; + } + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) + dev_err(&urb->dev->dev, "failed submit status urb\n"); return; + } + cmdinfo = (void *)&cmnd->SCp; switch (iu->iu_id) { case IU_ID_STATUS: + if (devinfo->cmnd == cmnd) + devinfo->cmnd = NULL; + + if (!(cmdinfo->state & COMPLETED_DATA_IN) && + cmdinfo->data_in_urb) { + if (devinfo->use_streams) { + cmdinfo->state |= DATA_COMPLETES_CMD; + usb_unlink_urb(cmdinfo->data_in_urb); + } else { + usb_free_urb(cmdinfo->data_in_urb); + } + } + if (!(cmdinfo->state & COMPLETED_DATA_OUT) && + cmdinfo->data_out_urb) { + if (devinfo->use_streams) { + cmdinfo->state |= DATA_COMPLETES_CMD; + usb_unlink_urb(cmdinfo->data_in_urb); + } else { + usb_free_urb(cmdinfo->data_out_urb); + } + } + if (urb->actual_length < 16) devinfo->uas_sense_old = 1; if (devinfo->uas_sense_old) @@ -259,29 +253,70 @@ static void uas_stat_cmplt(struct urb *urb) scmd_printk(KERN_ERR, cmnd, "Bogus IU (%d) received on status pipe\n", iu->iu_id); } + + if (devinfo->use_streams) { + usb_free_urb(urb); + return; + } + + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) + dev_err(&urb->dev->dev, "failed submit status urb\n"); } -static void uas_data_cmplt(struct urb *urb) +static void uas_data_out_cmplt(struct urb *urb) { - struct scsi_data_buffer *sdb = urb->context; + struct scsi_cmnd *cmnd = urb->context; + struct scsi_data_buffer *sdb = scsi_out(cmnd); + struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + + cmdinfo->state |= COMPLETED_DATA_OUT; + sdb->resid = sdb->length - urb->actual_length; usb_free_urb(urb); + + if (cmdinfo->state & DATA_COMPLETES_CMD) + cmnd->scsi_done(cmnd); +} + +static void uas_data_in_cmplt(struct urb *urb) +{ + struct scsi_cmnd *cmnd = urb->context; + struct scsi_data_buffer *sdb = scsi_in(cmnd); + struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + + cmdinfo->state |= COMPLETED_DATA_IN; + + sdb->resid = sdb->length - urb->actual_length; + usb_free_urb(urb); + + if (cmdinfo->state & DATA_COMPLETES_CMD) + cmnd->scsi_done(cmnd); } static struct urb *uas_alloc_data_urb(struct uas_dev_info *devinfo, gfp_t gfp, - unsigned int pipe, u16 stream_id, - struct scsi_data_buffer *sdb, - enum dma_data_direction dir) + unsigned int pipe, struct scsi_cmnd *cmnd, + enum dma_data_direction dir) { + struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; struct usb_device *udev = devinfo->udev; struct urb *urb = usb_alloc_urb(0, gfp); + struct scsi_data_buffer *sdb; + usb_complete_t complete_fn; + u16 stream_id = cmdinfo->stream; if (!urb) goto out; - usb_fill_bulk_urb(urb, udev, pipe, NULL, sdb->length, uas_data_cmplt, - sdb); - if (devinfo->use_streams) - urb->stream_id = stream_id; + if (dir == DMA_FROM_DEVICE) { + sdb = scsi_in(cmnd); + complete_fn = uas_data_in_cmplt; + } else { + sdb = scsi_out(cmnd); + complete_fn = uas_data_out_cmplt; + } + usb_fill_bulk_urb(urb, udev, pipe, NULL, sdb->length, + complete_fn, cmnd); + urb->stream_id = stream_id; urb->num_sgs = udev->bus->sg_tablesize ? sdb->table.nents : 0; urb->sg = sdb->table.sgl; out: @@ -289,7 +324,7 @@ static struct urb *uas_alloc_data_urb(struct uas_dev_info *devinfo, gfp_t gfp, } static struct urb *uas_alloc_sense_urb(struct uas_dev_info *devinfo, gfp_t gfp, - struct scsi_cmnd *cmnd, u16 stream_id) + struct Scsi_Host *shost, u16 stream_id) { struct usb_device *udev = devinfo->udev; struct urb *urb = usb_alloc_urb(0, gfp); @@ -303,7 +338,7 @@ static struct urb *uas_alloc_sense_urb(struct uas_dev_info *devinfo, gfp_t gfp, goto free; usb_fill_bulk_urb(urb, udev, devinfo->status_pipe, iu, sizeof(*iu), - uas_stat_cmplt, cmnd->device); + uas_stat_cmplt, shost); urb->stream_id = stream_id; urb->transfer_flags |= URB_FREE_BUFFER; out: @@ -334,7 +369,10 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp, goto free; iu->iu_id = IU_ID_COMMAND; - iu->tag = cpu_to_be16(stream_id); + if (blk_rq_tagged(cmnd->request)) + iu->tag = cpu_to_be16(cmnd->request->tag + 2); + else + iu->tag = cpu_to_be16(1); iu->prio_attr = UAS_SIMPLE_TAG; iu->len = len; int_to_scsilun(sdev->lun, &iu->lun); @@ -362,8 +400,8 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; if (cmdinfo->state & ALLOC_STATUS_URB) { - cmdinfo->status_urb = uas_alloc_sense_urb(devinfo, gfp, cmnd, - cmdinfo->stream); + cmdinfo->status_urb = uas_alloc_sense_urb(devinfo, gfp, + cmnd->device->host, cmdinfo->stream); if (!cmdinfo->status_urb) return SCSI_MLQUEUE_DEVICE_BUSY; cmdinfo->state &= ~ALLOC_STATUS_URB; @@ -380,8 +418,8 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (cmdinfo->state & ALLOC_DATA_IN_URB) { cmdinfo->data_in_urb = uas_alloc_data_urb(devinfo, gfp, - devinfo->data_in_pipe, cmdinfo->stream, - scsi_in(cmnd), DMA_FROM_DEVICE); + devinfo->data_in_pipe, cmnd, + DMA_FROM_DEVICE); if (!cmdinfo->data_in_urb) return SCSI_MLQUEUE_DEVICE_BUSY; cmdinfo->state &= ~ALLOC_DATA_IN_URB; @@ -398,8 +436,8 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (cmdinfo->state & ALLOC_DATA_OUT_URB) { cmdinfo->data_out_urb = uas_alloc_data_urb(devinfo, gfp, - devinfo->data_out_pipe, cmdinfo->stream, - scsi_out(cmnd), DMA_TO_DEVICE); + devinfo->data_out_pipe, cmnd, + DMA_TO_DEVICE); if (!cmdinfo->data_out_urb) return SCSI_MLQUEUE_DEVICE_BUSY; cmdinfo->state &= ~ALLOC_DATA_OUT_URB; @@ -444,13 +482,13 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, BUILD_BUG_ON(sizeof(struct uas_cmd_info) > sizeof(struct scsi_pointer)); - if (!cmdinfo->status_urb && sdev->current_cmnd) + if (devinfo->cmnd) return SCSI_MLQUEUE_DEVICE_BUSY; if (blk_rq_tagged(cmnd->request)) { - cmdinfo->stream = cmnd->request->tag + 1; + cmdinfo->stream = cmnd->request->tag + 2; } else { - sdev->current_cmnd = cmnd; + devinfo->cmnd = cmnd; cmdinfo->stream = 1; } @@ -472,7 +510,8 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, } if (!devinfo->use_streams) { - cmdinfo->state &= ~(SUBMIT_DATA_IN_URB | SUBMIT_DATA_OUT_URB); + cmdinfo->state &= ~(SUBMIT_DATA_IN_URB | SUBMIT_DATA_OUT_URB | + ALLOC_STATUS_URB | SUBMIT_STATUS_URB); cmdinfo->stream = 0; } @@ -551,7 +590,7 @@ static int uas_slave_configure(struct scsi_device *sdev) { struct uas_dev_info *devinfo = sdev->hostdata; scsi_set_tag_type(sdev, MSG_ORDERED_TAG); - scsi_activate_tcq(sdev, devinfo->qdepth - 1); + scsi_activate_tcq(sdev, devinfo->qdepth - 2); return 0; } @@ -589,22 +628,34 @@ static int uas_is_interface(struct usb_host_interface *intf) intf->desc.bInterfaceProtocol == USB_PR_UAS); } +static int uas_isnt_supported(struct usb_device *udev) +{ + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + + dev_warn(&udev->dev, "The driver for the USB controller %s does not " + "support scatter-gather which is\n", + hcd->driver->description); + dev_warn(&udev->dev, "required by the UAS driver. Please try an" + "alternative USB controller if you wish to use UAS.\n"); + return -ENODEV; +} + static int uas_switch_interface(struct usb_device *udev, struct usb_interface *intf) { int i; - - if (uas_is_interface(intf->cur_altsetting)) - return 0; + int sg_supported = udev->bus->sg_tablesize != 0; for (i = 0; i < intf->num_altsetting; i++) { struct usb_host_interface *alt = &intf->altsetting[i]; - if (alt == intf->cur_altsetting) - continue; - if (uas_is_interface(alt)) + + if (uas_is_interface(alt)) { + if (!sg_supported) + return uas_isnt_supported(udev); return usb_set_interface(udev, alt->desc.bInterfaceNumber, alt->desc.bAlternateSetting); + } } return -ENODEV; @@ -619,6 +670,7 @@ static void uas_configure_endpoints(struct uas_dev_info *devinfo) unsigned i, n_endpoints = intf->cur_altsetting->desc.bNumEndpoints; devinfo->uas_sense_old = 0; + devinfo->cmnd = NULL; for (i = 0; i < n_endpoints; i++) { unsigned char *extra = endpoint[i].extra; @@ -670,6 +722,40 @@ static void uas_configure_endpoints(struct uas_dev_info *devinfo) } } +static int uas_alloc_status_urb(struct uas_dev_info *devinfo, + struct Scsi_Host *shost) +{ + if (devinfo->use_streams) { + devinfo->status_urb = NULL; + return 0; + } + + devinfo->status_urb = uas_alloc_sense_urb(devinfo, GFP_KERNEL, + shost, 0); + if (!devinfo->status_urb) + goto err_s_urb; + + if (usb_submit_urb(devinfo->status_urb, GFP_KERNEL)) + goto err_submit_urb; + + return 0; +err_submit_urb: + usb_free_urb(devinfo->status_urb); +err_s_urb: + return -ENOMEM; +} + +static void uas_free_streams(struct uas_dev_info *devinfo) +{ + struct usb_device *udev = devinfo->udev; + struct usb_host_endpoint *eps[3]; + + eps[0] = usb_pipe_endpoint(udev, devinfo->status_pipe); + eps[1] = usb_pipe_endpoint(udev, devinfo->data_in_pipe); + eps[2] = usb_pipe_endpoint(udev, devinfo->data_out_pipe); + usb_free_streams(devinfo->intf, eps, 3, GFP_KERNEL); +} + /* * XXX: What I'd like to do here is register a SCSI host for each USB host in * the system. Follow usb-storage's design of registering a SCSI host for @@ -699,18 +785,33 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id) shost->max_id = 1; shost->sg_tablesize = udev->bus->sg_tablesize; - result = scsi_add_host(shost, &intf->dev); + devinfo->intf = intf; + devinfo->udev = udev; + uas_configure_endpoints(devinfo); + + result = scsi_init_shared_tag_map(shost, devinfo->qdepth - 2); if (result) goto free; + + result = scsi_add_host(shost, &intf->dev); + if (result) + goto deconfig_eps; + shost->hostdata[0] = (unsigned long)devinfo; - devinfo->intf = intf; - devinfo->udev = udev; - uas_configure_endpoints(devinfo); + result = uas_alloc_status_urb(devinfo, shost); + if (result) + goto err_alloc_status; scsi_scan_host(shost); usb_set_intfdata(intf, shost); return result; + +err_alloc_status: + scsi_remove_host(shost); + shost = NULL; +deconfig_eps: + uas_free_streams(devinfo); free: kfree(devinfo); if (shost) @@ -732,18 +833,13 @@ static int uas_post_reset(struct usb_interface *intf) static void uas_disconnect(struct usb_interface *intf) { - struct usb_device *udev = interface_to_usbdev(intf); - struct usb_host_endpoint *eps[3]; struct Scsi_Host *shost = usb_get_intfdata(intf); struct uas_dev_info *devinfo = (void *)shost->hostdata[0]; scsi_remove_host(shost); - - eps[0] = usb_pipe_endpoint(udev, devinfo->status_pipe); - eps[1] = usb_pipe_endpoint(udev, devinfo->data_in_pipe); - eps[2] = usb_pipe_endpoint(udev, devinfo->data_out_pipe); - usb_free_streams(intf, eps, 3, GFP_KERNEL); - + usb_kill_urb(devinfo->status_urb); + usb_free_urb(devinfo->status_urb); + uas_free_streams(devinfo); kfree(devinfo); } diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index db51ba16dc0..c18538e4a6d 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -125,6 +125,9 @@ static struct us_unusual_dev us_unusual_dev_list[] = { { } /* Terminating entry */ }; +static struct us_unusual_dev for_dynamic_ids = + USUAL_DEV(USB_SC_SCSI, USB_PR_BULK, 0); + #undef UNUSUAL_DEV #undef COMPLIANT_DEV #undef USUAL_DEV @@ -999,8 +1002,10 @@ EXPORT_SYMBOL_GPL(usb_stor_disconnect); static int storage_probe(struct usb_interface *intf, const struct usb_device_id *id) { + struct us_unusual_dev *unusual_dev; struct us_data *us; int result; + int size; /* * If libusual is configured, let it decide whether a standard @@ -1019,8 +1024,19 @@ static int storage_probe(struct usb_interface *intf, * table, so we use the index of the id entry to find the * corresponding unusual_devs entry. */ - result = usb_stor_probe1(&us, intf, id, - (id - usb_storage_usb_ids) + us_unusual_dev_list); + + size = ARRAY_SIZE(us_unusual_dev_list); + if (id >= usb_storage_usb_ids && id < usb_storage_usb_ids + size) { + unusual_dev = (id - usb_storage_usb_ids) + us_unusual_dev_list; + } else { + unusual_dev = &for_dynamic_ids; + + US_DEBUGP("%s %s 0x%04x 0x%04x\n", "Use Bulk-Only transport", + "with the Transparent SCSI protocol for dynamic id:", + id->idVendor, id->idProduct); + } + + result = usb_stor_probe1(&us, intf, id, unusual_dev); if (result) return result; @@ -1046,7 +1062,6 @@ static struct usb_driver usb_storage_driver = { .id_table = usb_storage_usb_ids, .supports_autosuspend = 1, .soft_unbind = 1, - .no_dynamic_id = 1, }; static int __init usb_stor_init(void) diff --git a/include/linux/device.h b/include/linux/device.h index f62e21689fd..7c46bc32fcb 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1005,19 +1005,20 @@ extern long sysfs_deprecated; * @__driver: driver name * @__register: register function for this driver type * @__unregister: unregister function for this driver type + * @...: Additional arguments to be passed to __register and __unregister. * * Use this macro to construct bus specific macros for registering * drivers, and do not use it on its own. */ -#define module_driver(__driver, __register, __unregister) \ +#define module_driver(__driver, __register, __unregister, ...) \ static int __init __driver##_init(void) \ { \ - return __register(&(__driver)); \ + return __register(&(__driver) , ##__VA_ARGS__); \ } \ module_init(__driver##_init); \ static void __exit __driver##_exit(void) \ { \ - __unregister(&(__driver)); \ + __unregister(&(__driver) , ##__VA_ARGS__); \ } \ module_exit(__driver##_exit); diff --git a/include/linux/platform_data/dwc3-exynos.h b/include/linux/platform_data/dwc3-exynos.h new file mode 100644 index 00000000000..5eb7da9b377 --- /dev/null +++ b/include/linux/platform_data/dwc3-exynos.h @@ -0,0 +1,24 @@ +/** + * dwc3-exynos.h - Samsung EXYNOS DWC3 Specific Glue layer, header. + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Author: Anton Tikhomirov <av.tikhomirov@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _DWC3_EXYNOS_H_ +#define _DWC3_EXYNOS_H_ + +struct dwc3_exynos_data { + int phy_type; + int (*phy_init)(struct platform_device *pdev, int type); + int (*phy_exit)(struct platform_device *pdev, int type); +}; + +#endif /* _DWC3_EXYNOS_H_ */ diff --git a/include/linux/usb.h b/include/linux/usb.h index 69d845739bc..73b68d1f2cb 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -376,6 +376,12 @@ struct usb_bus { struct usb_tt; +enum usb_device_removable { + USB_DEVICE_REMOVABLE_UNKNOWN = 0, + USB_DEVICE_REMOVABLE, + USB_DEVICE_FIXED, +}; + /** * struct usb_device - kernel's representation of a USB device * @devnum: device number; address on a USB bus @@ -432,6 +438,7 @@ struct usb_tt; * @wusb_dev: if this is a Wireless USB device, link to the WUSB * specific data for the device. * @slot_id: Slot ID assigned by xHCI + * @removable: Device can be physically removed from this port * * Notes: * Usbcore drivers should not set usbdev->state directly. Instead use @@ -494,7 +501,7 @@ struct usb_device { #endif int maxchild; - struct usb_device *children[USB_MAXCHILDREN]; + struct usb_device **children; u32 quirks; atomic_t urbnum; @@ -509,6 +516,7 @@ struct usb_device { #endif struct wusb_dev *wusb_dev; int slot_id; + enum usb_device_removable removable; }; #define to_usb_device(d) container_of(d, struct usb_device, dev) diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index 964cb603f7c..ed13053153f 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -43,6 +43,27 @@ static inline bool uac2_control_is_writeable(u32 bmControls, u8 control) return (bmControls >> (control * 2)) & 0x2; } +/* 4.7.2 Class-Specific AC Interface Descriptor */ +struct uac2_ac_header_descriptor { + __u8 bLength; /* 9 */ + __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ + __u8 bDescriptorSubtype; /* UAC_MS_HEADER */ + __le16 bcdADC; /* 0x0200 */ + __u8 bCategory; + __le16 wTotalLength; /* includes Unit and Terminal desc. */ + __u8 bmControls; +} __packed; + +/* 2.3.1.6 Type I Format Type Descriptor (Frmts20 final.pdf)*/ +struct uac2_format_type_i_descriptor { + __u8 bLength; /* in bytes: 6 */ + __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ + __u8 bDescriptorSubtype; /* FORMAT_TYPE */ + __u8 bFormatType; /* FORMAT_TYPE_1 */ + __u8 bSubslotSize; /* {1,2,3,4} */ + __u8 bBitResolution; +} __packed; + /* 4.7.2.1 Clock Source Descriptor */ struct uac_clock_source_descriptor { diff --git a/include/linux/usb/cdc-wdm.h b/include/linux/usb/cdc-wdm.h new file mode 100644 index 00000000000..719c332620f --- /dev/null +++ b/include/linux/usb/cdc-wdm.h @@ -0,0 +1,19 @@ +/* + * USB CDC Device Management subdriver + * + * Copyright (c) 2012 Bjørn Mork <bjorn@mork.no> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#ifndef __LINUX_USB_CDC_WDM_H +#define __LINUX_USB_CDC_WDM_H + +extern struct usb_driver *usb_cdc_wdm_register(struct usb_interface *intf, + struct usb_endpoint_descriptor *ep, + int bufsize, + int (*manage_power)(struct usb_interface *, int)); + +#endif /* __LINUX_USB_CDC_WDM_H */ diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h index 0b83acd3360..f1d26b6067f 100644 --- a/include/linux/usb/ch11.h +++ b/include/linux/usb/ch11.h @@ -76,6 +76,11 @@ #define USB_PORT_FEAT_C_BH_PORT_RESET 29 #define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30 +/* USB 3.0 hub remote wake mask bits, see table 10-14 */ +#define USB_PORT_FEAT_REMOTE_WAKE_CONNECT (1 << 8) +#define USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT (1 << 9) +#define USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT (1 << 10) + /* * Hub Status and Hub Change results * See USB 2.0 spec Table 11-19 and Table 11-20 diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 3b6f628880f..af21f311591 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -789,6 +789,11 @@ struct usb_ext_cap_descriptor { /* Link Power Management */ __u8 bDevCapabilityType; __le32 bmAttributes; #define USB_LPM_SUPPORT (1 << 1) /* supports LPM */ +#define USB_BESL_SUPPORT (1 << 2) /* supports BESL */ +#define USB_BESL_BASELINE_VALID (1 << 3) /* Baseline BESL valid*/ +#define USB_BESL_DEEP_VALID (1 << 4) /* Deep BESL valid */ +#define USB_GET_BESL_BASELINE(p) (((p) & (0xf << 8)) >> 8) +#define USB_GET_BESL_DEEP(p) (((p) & (0xf << 12)) >> 12) } __attribute__((packed)); #define USB_DT_USB_EXT_CAP_SIZE 7 diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h new file mode 100644 index 00000000000..1894f42fe3f --- /dev/null +++ b/include/linux/usb/ehci_pdriver.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __USB_CORE_EHCI_PDRIVER_H +#define __USB_CORE_EHCI_PDRIVER_H + +/** + * struct usb_ehci_pdata - platform_data for generic ehci driver + * + * @caps_offset: offset of the EHCI Capability Registers to the start of + * the io memory region provided to the driver. + * @has_tt: set to 1 if TT is integrated in root hub. + * @port_power_on: set to 1 if the controller needs a power up after + * initialization. + * @port_power_off: set to 1 if the controller needs to be powered down + * after initialization. + * + * These are general configuration options for the EHCI controller. All of + * these options are activating more or less workarounds for some hardware. + */ +struct usb_ehci_pdata { + int caps_offset; + unsigned has_tt:1; + unsigned has_synopsys_hc_bug:1; + unsigned big_endian_desc:1; + unsigned big_endian_mmio:1; + unsigned port_power_on:1; + unsigned port_power_off:1; +}; + +#endif /* __USB_CORE_EHCI_PDRIVER_H */ diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index da653b5c713..9517466abab 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -950,6 +950,16 @@ static inline void usb_free_descriptors(struct usb_descriptor_header **v) /*-------------------------------------------------------------------------*/ +/* utility to simplify map/unmap of usb_requests to/from DMA */ + +extern int usb_gadget_map_request(struct usb_gadget *gadget, + struct usb_request *req, int is_in); + +extern void usb_gadget_unmap_request(struct usb_gadget *gadget, + struct usb_request *req, int is_in); + +/*-------------------------------------------------------------------------*/ + /* utility wrapping a simple endpoint selection policy */ extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *, diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index b2f62f3a32a..5de415707c2 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -127,7 +127,7 @@ struct usb_hcd { unsigned authorized_default:1; unsigned has_tt:1; /* Integrated TT in root hub */ - int irq; /* irq allocated */ + unsigned int irq; /* irq allocated */ void __iomem *regs; /* device memory/io */ u64 rsrc_start; /* memory/io resource start */ u64 rsrc_len; /* memory/io resource length */ @@ -412,6 +412,8 @@ extern irqreturn_t usb_hcd_irq(int irq, void *__hcd); extern void usb_hc_died(struct usb_hcd *hcd); extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); +extern void usb_wakeup_notification(struct usb_device *hdev, + unsigned int portnum); /* The D0/D1 toggle bits ... USE WITH CAUTION (they're almost hcd-internal) */ #define usb_gettoggle(dev, ep, out) (((dev)->toggle[out] >> (ep)) & 1) diff --git a/include/linux/usb/intel_mid_otg.h b/include/linux/usb/intel_mid_otg.h index a0ccf795f36..756cf5543ff 100644 --- a/include/linux/usb/intel_mid_otg.h +++ b/include/linux/usb/intel_mid_otg.h @@ -104,11 +104,11 @@ struct iotg_ulpi_access_ops { /* * the Intel MID (Langwell/Penwell) otg transceiver driver needs to interact * with device and host drivers to implement the USB OTG related feature. More - * function members are added based on otg_transceiver data structure for this + * function members are added based on usb_phy data structure for this * purpose. */ struct intel_mid_otg_xceiv { - struct otg_transceiver otg; + struct usb_phy otg; struct otg_hsm hsm; /* base address */ @@ -147,7 +147,7 @@ struct intel_mid_otg_xceiv { }; static inline -struct intel_mid_otg_xceiv *otg_to_mid_xceiv(struct otg_transceiver *otg) +struct intel_mid_otg_xceiv *otg_to_mid_xceiv(struct usb_phy *otg) { return container_of(otg, struct intel_mid_otg_xceiv, otg); } diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h index 00311fe9d0d..22a396c13f3 100644 --- a/include/linux/usb/msm_hsusb.h +++ b/include/linux/usb/msm_hsusb.h @@ -160,7 +160,7 @@ struct msm_otg_platform_data { * detection process. */ struct msm_otg { - struct otg_transceiver otg; + struct usb_phy phy; struct msm_otg_platform_data *pdata; int irq; struct clk *clk; diff --git a/include/linux/usb/ohci_pdriver.h b/include/linux/usb/ohci_pdriver.h new file mode 100644 index 00000000000..2808f2a9cce --- /dev/null +++ b/include/linux/usb/ohci_pdriver.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __USB_CORE_OHCI_PDRIVER_H +#define __USB_CORE_OHCI_PDRIVER_H + +/** + * struct usb_ohci_pdata - platform_data for generic ohci driver + * + * @big_endian_desc: BE descriptors + * @big_endian_mmio: BE registers + * @no_big_frame_no: no big endian frame_no shift + * + * These are general configuration options for the OHCI controller. All of + * these options are activating more or less workarounds for some hardware. + */ +struct usb_ohci_pdata { + unsigned big_endian_desc:1; + unsigned big_endian_mmio:1; + unsigned no_big_frame_no:1; +}; + +#endif /* __USB_CORE_OHCI_PDRIVER_H */ diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index d87f44f5b04..f67810f8f21 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -35,7 +35,7 @@ enum usb_otg_state { OTG_STATE_A_VBUS_ERR, }; -enum usb_xceiv_events { +enum usb_phy_events { USB_EVENT_NONE, /* no events or cable disconnected */ USB_EVENT_VBUS, /* vbus valid event */ USB_EVENT_ID, /* id was grounded */ @@ -43,14 +43,39 @@ enum usb_xceiv_events { USB_EVENT_ENUMERATED, /* gadget driver enumerated */ }; -struct otg_transceiver; +struct usb_phy; /* for transceivers connected thru an ULPI interface, the user must * provide access ops */ -struct otg_io_access_ops { - int (*read)(struct otg_transceiver *otg, u32 reg); - int (*write)(struct otg_transceiver *otg, u32 val, u32 reg); +struct usb_phy_io_ops { + int (*read)(struct usb_phy *x, u32 reg); + int (*write)(struct usb_phy *x, u32 val, u32 reg); +}; + +struct usb_otg { + u8 default_a; + + struct usb_phy *phy; + struct usb_bus *host; + struct usb_gadget *gadget; + + /* bind/unbind the host controller */ + int (*set_host)(struct usb_otg *otg, struct usb_bus *host); + + /* bind/unbind the peripheral controller */ + int (*set_peripheral)(struct usb_otg *otg, + struct usb_gadget *gadget); + + /* effective for A-peripheral, ignored for B devices */ + int (*set_vbus)(struct usb_otg *otg, bool enabled); + + /* for B devices only: start session with A-Host */ + int (*start_srp)(struct usb_otg *otg); + + /* start or continue HNP role switch */ + int (*start_hnp)(struct usb_otg *otg); + }; /* @@ -59,22 +84,20 @@ struct otg_io_access_ops { * moment, using the transceiver, ID signal, HNP and sometimes static * configuration information (including "board isn't wired for otg"). */ -struct otg_transceiver { +struct usb_phy { struct device *dev; const char *label; unsigned int flags; - u8 default_a; enum usb_otg_state state; - enum usb_xceiv_events last_event; + enum usb_phy_events last_event; - struct usb_bus *host; - struct usb_gadget *gadget; + struct usb_otg *otg; - struct otg_io_access_ops *io_ops; - void __iomem *io_priv; + struct usb_phy_io_ops *io_ops; + void __iomem *io_priv; - /* for notification of usb_xceiv_events */ + /* for notification of usb_phy_events */ struct atomic_notifier_head notifier; /* to pass extra port status to the root hub */ @@ -82,40 +105,22 @@ struct otg_transceiver { u16 port_change; /* initialize/shutdown the OTG controller */ - int (*init)(struct otg_transceiver *otg); - void (*shutdown)(struct otg_transceiver *otg); - - /* bind/unbind the host controller */ - int (*set_host)(struct otg_transceiver *otg, - struct usb_bus *host); - - /* bind/unbind the peripheral controller */ - int (*set_peripheral)(struct otg_transceiver *otg, - struct usb_gadget *gadget); + int (*init)(struct usb_phy *x); + void (*shutdown)(struct usb_phy *x); /* effective for B devices, ignored for A-peripheral */ - int (*set_power)(struct otg_transceiver *otg, + int (*set_power)(struct usb_phy *x, unsigned mA); - /* effective for A-peripheral, ignored for B devices */ - int (*set_vbus)(struct otg_transceiver *otg, - bool enabled); - /* for non-OTG B devices: set transceiver into suspend mode */ - int (*set_suspend)(struct otg_transceiver *otg, + int (*set_suspend)(struct usb_phy *x, int suspend); - /* for B devices only: start session with A-Host */ - int (*start_srp)(struct otg_transceiver *otg); - - /* start or continue HNP role switch */ - int (*start_hnp)(struct otg_transceiver *otg); - }; /* for board-specific init logic */ -extern int otg_set_transceiver(struct otg_transceiver *); +extern int usb_set_transceiver(struct usb_phy *); #if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE)) /* sometimes transceivers are accessed only through e.g. ULPI */ @@ -132,50 +137,50 @@ static inline void usb_nop_xceiv_unregister(void) #endif /* helpers for direct access thru low-level io interface */ -static inline int otg_io_read(struct otg_transceiver *otg, u32 reg) +static inline int usb_phy_io_read(struct usb_phy *x, u32 reg) { - if (otg->io_ops && otg->io_ops->read) - return otg->io_ops->read(otg, reg); + if (x->io_ops && x->io_ops->read) + return x->io_ops->read(x, reg); return -EINVAL; } -static inline int otg_io_write(struct otg_transceiver *otg, u32 val, u32 reg) +static inline int usb_phy_io_write(struct usb_phy *x, u32 val, u32 reg) { - if (otg->io_ops && otg->io_ops->write) - return otg->io_ops->write(otg, val, reg); + if (x->io_ops && x->io_ops->write) + return x->io_ops->write(x, val, reg); return -EINVAL; } static inline int -otg_init(struct otg_transceiver *otg) +usb_phy_init(struct usb_phy *x) { - if (otg->init) - return otg->init(otg); + if (x->init) + return x->init(x); return 0; } static inline void -otg_shutdown(struct otg_transceiver *otg) +usb_phy_shutdown(struct usb_phy *x) { - if (otg->shutdown) - otg->shutdown(otg); + if (x->shutdown) + x->shutdown(x); } /* for usb host and peripheral controller drivers */ #ifdef CONFIG_USB_OTG_UTILS -extern struct otg_transceiver *otg_get_transceiver(void); -extern void otg_put_transceiver(struct otg_transceiver *); +extern struct usb_phy *usb_get_transceiver(void); +extern void usb_put_transceiver(struct usb_phy *); extern const char *otg_state_string(enum usb_otg_state state); #else -static inline struct otg_transceiver *otg_get_transceiver(void) +static inline struct usb_phy *usb_get_transceiver(void) { return NULL; } -static inline void otg_put_transceiver(struct otg_transceiver *x) +static inline void usb_put_transceiver(struct usb_phy *x) { } @@ -187,67 +192,84 @@ static inline const char *otg_state_string(enum usb_otg_state state) /* Context: can sleep */ static inline int -otg_start_hnp(struct otg_transceiver *otg) +otg_start_hnp(struct usb_otg *otg) { - return otg->start_hnp(otg); + if (otg && otg->start_hnp) + return otg->start_hnp(otg); + + return -ENOTSUPP; } /* Context: can sleep */ static inline int -otg_set_vbus(struct otg_transceiver *otg, bool enabled) +otg_set_vbus(struct usb_otg *otg, bool enabled) { - return otg->set_vbus(otg, enabled); + if (otg && otg->set_vbus) + return otg->set_vbus(otg, enabled); + + return -ENOTSUPP; } /* for HCDs */ static inline int -otg_set_host(struct otg_transceiver *otg, struct usb_bus *host) +otg_set_host(struct usb_otg *otg, struct usb_bus *host) { - return otg->set_host(otg, host); + if (otg && otg->set_host) + return otg->set_host(otg, host); + + return -ENOTSUPP; } /* for usb peripheral controller drivers */ /* Context: can sleep */ static inline int -otg_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *periph) +otg_set_peripheral(struct usb_otg *otg, struct usb_gadget *periph) { - return otg->set_peripheral(otg, periph); + if (otg && otg->set_peripheral) + return otg->set_peripheral(otg, periph); + + return -ENOTSUPP; } static inline int -otg_set_power(struct otg_transceiver *otg, unsigned mA) +usb_phy_set_power(struct usb_phy *x, unsigned mA) { - return otg->set_power(otg, mA); + if (x && x->set_power) + return x->set_power(x, mA); + return 0; } /* Context: can sleep */ static inline int -otg_set_suspend(struct otg_transceiver *otg, int suspend) +usb_phy_set_suspend(struct usb_phy *x, int suspend) { - if (otg->set_suspend != NULL) - return otg->set_suspend(otg, suspend); + if (x->set_suspend != NULL) + return x->set_suspend(x, suspend); else return 0; } static inline int -otg_start_srp(struct otg_transceiver *otg) +otg_start_srp(struct usb_otg *otg) { - return otg->start_srp(otg); + if (otg && otg->start_srp) + return otg->start_srp(otg); + + return -ENOTSUPP; } /* notifiers */ static inline int -otg_register_notifier(struct otg_transceiver *otg, struct notifier_block *nb) +usb_register_notifier(struct usb_phy *x, struct notifier_block *nb) { - return atomic_notifier_chain_register(&otg->notifier, nb); + return atomic_notifier_chain_register(&x->notifier, nb); } static inline void -otg_unregister_notifier(struct otg_transceiver *otg, struct notifier_block *nb) +usb_unregister_notifier(struct usb_phy *x, struct notifier_block *nb) { - atomic_notifier_chain_unregister(&otg->notifier, nb); + atomic_notifier_chain_unregister(&x->notifier, nb); } /* for OTG controller drivers (and maybe other stuff) */ diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index 0d3f9887925..547e59cc00e 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -149,6 +149,7 @@ struct renesas_usbhs_driver_param { * option: */ u32 has_otg:1; /* for controlling PWEN/EXTLP */ + u32 has_sudmac:1; /* for SUDMAC */ }; /* diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 4267a9c717b..fbb666b1b67 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -300,8 +300,10 @@ struct usb_serial_driver { #define to_usb_serial_driver(d) \ container_of(d, struct usb_serial_driver, driver) -extern int usb_serial_register(struct usb_serial_driver *driver); -extern void usb_serial_deregister(struct usb_serial_driver *driver); +extern int usb_serial_register_drivers(struct usb_driver *udriver, + struct usb_serial_driver * const serial_drivers[]); +extern void usb_serial_deregister_drivers(struct usb_driver *udriver, + struct usb_serial_driver * const serial_drivers[]); extern void usb_serial_port_softint(struct usb_serial_port *port); extern int usb_serial_probe(struct usb_interface *iface, @@ -389,5 +391,35 @@ do { \ printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg); \ } while (0) +/* + * Macro for reporting errors in write path to avoid inifinite loop + * when port is used as a console. + */ +#define dev_err_console(usport, fmt, ...) \ +do { \ + static bool __print_once; \ + struct usb_serial_port *__port = (usport); \ + \ + if (!__port->port.console || !__print_once) { \ + __print_once = true; \ + dev_err(&__port->dev, fmt, ##__VA_ARGS__); \ + } \ +} while (0) + +/* + * module_usb_serial_driver() - Helper macro for registering a USB Serial driver + * @__usb_driver: usb_driver struct to register + * @__serial_drivers: list of usb_serial drivers to register + * + * Helper macro for USB serial drivers which do not do anything special + * in module init/exit. This eliminates a lot of boilerplate. Each + * module may only use this macro once, and calling it replaces + * module_init() and module_exit() + * + */ +#define module_usb_serial_driver(__usb_driver, __serial_drivers) \ + module_driver(__usb_driver, usb_serial_register_drivers, \ + usb_serial_deregister_drivers, __serial_drivers) + #endif /* __LINUX_USB_SERIAL_H */ diff --git a/include/linux/usb/storage.h b/include/linux/usb/storage.h index d7fc910f1dc..cb33fff2ba0 100644 --- a/include/linux/usb/storage.h +++ b/include/linux/usb/storage.h @@ -45,4 +45,42 @@ #define USB_PR_DEVICE 0xff /* Use device's value */ + /* + * Bulk only data structures + */ + +/* command block wrapper */ +struct bulk_cb_wrap { + __le32 Signature; /* contains 'USBC' */ + __u32 Tag; /* unique per command id */ + __le32 DataTransferLength; /* size of data */ + __u8 Flags; /* direction in bit 0 */ + __u8 Lun; /* LUN normally 0 */ + __u8 Length; /* of of the CDB */ + __u8 CDB[16]; /* max command */ +}; + +#define US_BULK_CB_WRAP_LEN 31 +#define US_BULK_CB_SIGN 0x43425355 /*spells out USBC */ +#define US_BULK_FLAG_IN (1 << 7) +#define US_BULK_FLAG_OUT 0 + +/* command status wrapper */ +struct bulk_cs_wrap { + __le32 Signature; /* should = 'USBS' */ + __u32 Tag; /* same as original command */ + __le32 Residue; /* amount not transferred */ + __u8 Status; /* see below */ +}; + +#define US_BULK_CS_WRAP_LEN 13 +#define US_BULK_CS_SIGN 0x53425355 /* spells out 'USBS' */ +#define US_BULK_STAT_OK 0 +#define US_BULK_STAT_FAIL 1 +#define US_BULK_STAT_PHASE 2 + +/* bulk-only class specific requests */ +#define US_BULK_RESET_REQUEST 0xff +#define US_BULK_GET_MAX_LUN 0xfe + #endif diff --git a/include/linux/usb/uas.h b/include/linux/usb/uas.h new file mode 100644 index 00000000000..9a988e41369 --- /dev/null +++ b/include/linux/usb/uas.h @@ -0,0 +1,69 @@ +#ifndef __USB_UAS_H__ +#define __USB_UAS_H__ + +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> + +/* Common header for all IUs */ +struct iu { + __u8 iu_id; + __u8 rsvd1; + __be16 tag; +}; + +enum { + IU_ID_COMMAND = 0x01, + IU_ID_STATUS = 0x03, + IU_ID_RESPONSE = 0x04, + IU_ID_TASK_MGMT = 0x05, + IU_ID_READ_READY = 0x06, + IU_ID_WRITE_READY = 0x07, +}; + +struct command_iu { + __u8 iu_id; + __u8 rsvd1; + __be16 tag; + __u8 prio_attr; + __u8 rsvd5; + __u8 len; + __u8 rsvd7; + struct scsi_lun lun; + __u8 cdb[16]; /* XXX: Overflow-checking tools may misunderstand */ +}; + +/* + * Also used for the Read Ready and Write Ready IUs since they have the + * same first four bytes + */ +struct sense_iu { + __u8 iu_id; + __u8 rsvd1; + __be16 tag; + __be16 status_qual; + __u8 status; + __u8 rsvd7[7]; + __be16 len; + __u8 sense[SCSI_SENSE_BUFFERSIZE]; +}; + +struct usb_pipe_usage_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bPipeID; + __u8 Reserved; +} __attribute__((__packed__)); + +enum { + CMD_PIPE_ID = 1, + STATUS_PIPE_ID = 2, + DATA_IN_PIPE_ID = 3, + DATA_OUT_PIPE_ID = 4, + + UAS_SIMPLE_TAG = 0, + UAS_HEAD_TAG = 1, + UAS_ORDERED_TAG = 2, + UAS_ACA = 4, +}; +#endif diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h index 9595796d62e..6f033a415ec 100644 --- a/include/linux/usb/ulpi.h +++ b/include/linux/usb/ulpi.h @@ -181,12 +181,12 @@ /*-------------------------------------------------------------------------*/ -struct otg_transceiver *otg_ulpi_create(struct otg_io_access_ops *ops, +struct usb_phy *otg_ulpi_create(struct usb_phy_io_ops *ops, unsigned int flags); #ifdef CONFIG_USB_ULPI_VIEWPORT /* access ops for controllers with a viewport register */ -extern struct otg_io_access_ops ulpi_viewport_access_ops; +extern struct usb_phy_io_ops ulpi_viewport_access_ops; #endif #endif /* __LINUX_USB_ULPI_H */ diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 77273f2fdd8..b3a1c2daf6c 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -136,6 +136,7 @@ struct scsi_device { unsigned use_10_for_ms:1; /* first try 10-byte mode sense/select */ unsigned skip_ms_page_8:1; /* do not use MODE SENSE page 0x08 */ unsigned skip_ms_page_3f:1; /* do not use MODE SENSE page 0x3f */ + unsigned skip_vpd_pages:1; /* do not read VPD pages */ unsigned use_192_bytes_for_3f:1; /* ask for 192 bytes from page 0x3f */ unsigned no_start_on_add:1; /* do not issue start on add */ unsigned allow_restart:1; /* issue START_UNIT in error handler */ @@ -246,8 +247,10 @@ struct scsi_target { unsigned int single_lun:1; /* Indicates we should only * allow I/O to one of the luns * for the device at a time. */ - unsigned int pdt_1f_for_no_lun; /* PDT = 0x1f */ - /* means no lun present */ + unsigned int pdt_1f_for_no_lun:1; /* PDT = 0x1f + * means no lun present. */ + unsigned int no_report_luns:1; /* Don't use + * REPORT LUNS for scanning. */ /* commands actually active on LLD. protected by host lock. */ unsigned int target_busy; /* diff --git a/tools/usb/ffs-test.c b/tools/usb/ffs-test.c index b9c79863169..53452c35d5e 100644 --- a/tools/usb/ffs-test.c +++ b/tools/usb/ffs-test.c @@ -2,7 +2,7 @@ * ffs-test.c.c -- user mode filesystem api for usb composite function * * Copyright (C) 2010 Samsung Electronics - * Author: Michal Nazarewicz <m.nazarewicz@samsung.com> + * Author: Michal Nazarewicz <mina86@mina86.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c index f08e8946384..6e0f56701e4 100644 --- a/tools/usb/testusb.c +++ b/tools/usb/testusb.c @@ -3,7 +3,7 @@ /* * Copyright (c) 2002 by David Brownell * Copyright (c) 2010 by Samsung Electronics - * Author: Michal Nazarewicz <m.nazarewicz@samsung.com> + * Author: Michal Nazarewicz <mina86@mina86.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the |