usb: add usb_common.c for common code

Copied directly from linux-linaro-2.6.38, commit b313cadcc:

    ENGR00141217-3 MX53 MSL part upgrade to 2.6.38

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Jason Chen <b02280@freescale.com>
Signed-off-by: Zeng Zhaoming <b32542@freescale.com>
Signed-off-by: Richard Zhu <r65037@freescale.com>
Signed-off-by: Zhou Jingyu <Jingyu.Zhou@freescale.com>
Signed-off-by: Zhang Yan <b34916@freescale.com>
Signed-off-by: Eric Miao <eric.miao@linaro.org>

2 files changed, 152 insertions, 0 deletions

diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index d0e4c9a0b68..058b39ec290 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -50,6 +50,15 @@ enum fsl_usb2_operating_modes {
 	FSL_USB2_DR_OTG,
 };
 
+/* this used for usb port type */
+enum fsl_usb2_modes {
+	FSL_USB_DR_HOST,
+	FSL_USB_DR_DEVICE,
+	FSL_USB_MPH_HOST1,
+	FSL_USB_MPH_HOST2,
+	FSL_USB_UNKNOWN, /* unkonwn status */
+};
+
 enum fsl_usb2_phy_modes {
 	FSL_USB2_PHY_NONE,
 	FSL_USB2_PHY_ULPI,
@@ -61,6 +70,90 @@ enum fsl_usb2_phy_modes {
 struct clk;
 struct platform_device;
 
+#ifdef CONFIG_USB_EHCI_ARC
+#include <linux/wait.h>
+#include <linux/mutex.h>
+#include <linux/completion.h>
+
+struct fsl_usb2_wakeup_platform_data;
+
+struct fsl_usb2_platform_data {
+	/* board specific information */
+	enum fsl_usb2_operating_modes	operating_mode;
+	enum fsl_usb2_phy_modes		phy_mode;
+	unsigned int			port_enables;
+	unsigned int			workaround;
+
+	int		(*init)(struct platform_device *);
+	void		(*exit)(struct platform_device *);
+	void __iomem	*regs;		/* ioremap'd register base */
+	struct clk	*clk;
+	unsigned	big_endian_mmio:1;
+	unsigned	big_endian_desc:1;
+	unsigned	es:1;		/* need USBMODE:ES */
+	unsigned	le_setup_buf:1;
+	unsigned	have_sysif_regs:1;
+	unsigned	invert_drvvbus:1;
+	unsigned	invert_pwr_fault:1;
+
+	/* Freescale private */
+	char		*name;
+	u32		phy_regs;	/* usb phy register base */
+	u32 		xcvr_type;	/* PORTSC_PTS_* */
+	char 		*transceiver;	/* transceiver name */
+	unsigned 	power_budget;	/* for hcd->power_budget */
+	u32		id_gpio;
+
+	struct fsl_xcvr_ops *xcvr_ops;
+	struct fsl_xcvr_power *xcvr_pwr;
+	int (*gpio_usb_active) (void);
+	void (*gpio_usb_inactive) (void);
+	void (*usb_clock_for_pm) (bool);
+	void (*platform_suspend)(struct fsl_usb2_platform_data *);
+	void (*platform_resume)(struct fsl_usb2_platform_data *);
+	void (*wake_up_enable)(struct fsl_usb2_platform_data *, bool);
+	void (*phy_lowpower_suspend)(struct fsl_usb2_platform_data *, bool);
+	void (*platform_driver_vbus)(bool on); /* for vbus shutdown/open */
+	enum usb_wakeup_event (*is_wakeup_event)(struct fsl_usb2_platform_data *);
+	void (*wakeup_handler)(struct fsl_usb2_platform_data *);
+
+	struct fsl_usb2_wakeup_platform_data *wakeup_pdata;
+	struct platform_device *pdev;
+	unsigned	change_ahb_burst:1;
+	unsigned	ahb_burst_mode:3;
+	unsigned	lowpower:1;
+	unsigned	irq_delay:1;
+	unsigned	wakeup_event:1;
+	u32		pmflags;	/* PM from otg or system */
+
+	/* register save area for suspend/resume */
+	u32		pm_command;
+	u32		pm_status;
+	u32		pm_intr_enable;
+	u32		pm_frame_index;
+	u32		pm_segment;
+	u32		pm_frame_list;
+	u32		pm_async_next;
+	u32		pm_configured_flag;
+	u32		pm_portsc;
+};
+
+struct fsl_usb2_wakeup_platform_data {
+	char *name;
+	void (*usb_clock_for_pm) (bool);
+	void (*usb_wakeup_exhandle) (void);
+	struct fsl_usb2_platform_data *usb_pdata[3];
+	/* This waitqueue is used to wait "usb_wakeup thread" to finish
+	 * during system resume routine. "usb_wakeup theard" should be finished
+	 * prior to usb resume routine.
+	 */
+	wait_queue_head_t wq;
+	/* This flag is used to indicate the "usb_wakeup thread" is finished during
+	 * usb wakeup routine.
+	 */
+	bool usb_wakeup_is_pending;
+};
+#else
 struct fsl_usb2_platform_data {
 	/* board specific information */
 	enum fsl_usb2_operating_modes	operating_mode;
@@ -96,6 +189,7 @@ struct fsl_usb2_platform_data {
 	u32		pm_portsc;
 	u32		pm_usbgenctrl;
 };
+#endif
 
 struct mxc_pm_platform_data {
         void (*suspend_enter) (void);
diff --git a/include/linux/usb/fsl_xcvr.h b/include/linux/usb/fsl_xcvr.h
new file mode 100644
index 00000000000..4c57e03ef2d
--- /dev/null
+++ b/include/linux/usb/fsl_xcvr.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU Lesser General
+ * Public License.  You may obtain a copy of the GNU Lesser General
+ * Public License Version 2.1 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/lgpl-license.html
+ * http://www.gnu.org/copyleft/lgpl.html
+ */
+#ifndef __LINUX_USB_FSL_XCVR_H
+#define __LINUX_USB_FSL_XCVR_H
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+
+struct fsl_usb2_platform_data;
+
+enum usb_test_mode{
+	USB_TEST_J = 1,
+	USB_TEST_K = 2,
+};
+
+/**
+ * @name: transceiver name
+ * @xcvr_type: one of PORTSC_PTS_{UTMI,SERIAL,ULPI}
+ * @init: transceiver- and board-specific initialization function
+ * @uninit: transceiver- and board-specific uninitialization function
+ * @set_host:
+ * @set_device:
+ * @pullup: enable or disable D+ pullup
+ *
+ */
+struct fsl_xcvr_ops {
+	char *name;
+	u32 xcvr_type;
+
+	void (*init)(struct fsl_xcvr_ops *ops);
+	void (*uninit)(struct fsl_xcvr_ops *ops);
+	void (*suspend)(struct fsl_xcvr_ops *ops);
+	void (*set_host)(void);
+	void (*set_device)(void);
+	void (*set_vbus_power)(struct fsl_xcvr_ops *ops,
+			       struct fsl_usb2_platform_data *pdata, int on);
+	void (*set_vbus_draw)(struct fsl_xcvr_ops *ops,
+			struct fsl_usb2_platform_data *pdata, unsigned mA);
+	void (*set_remote_wakeup)(u32 *view);
+	void (*pullup)(int on);
+	void(*set_test_mode)(u32 *view, enum usb_test_mode mode);
+};
+
+struct fsl_xcvr_power {
+	struct platform_device *usb_pdev;
+	struct regulator *regu1;
+	struct regulator *regu2;
+};
+#endif