diff options
Diffstat (limited to 'drivers/usb/gadget/gadget_chips.h')
| -rw-r--r-- | drivers/usb/gadget/gadget_chips.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h new file mode 100644 index 000000000..9bb7e2e77 --- /dev/null +++ b/drivers/usb/gadget/gadget_chips.h @@ -0,0 +1,220 @@ +/* + * USB device controllers have lots of quirks. Use these macros in + * gadget drivers or other code that needs to deal with them, and which + * autoconfigures instead of using early binding to the hardware. + * + * This SHOULD eventually work like the ARM mach_is_*() stuff, driven by + * some config file that gets updated as new hardware is supported. + * (And avoiding all runtime comparisons in typical one-choice configs!) + * + * NOTE: some of these controller drivers may not be available yet. + * Some are available on 2.4 kernels; several are available, but not + * yet pushed in the 2.6 mainline tree. + * + * Ported to U-boot by: Thomas Smits <ts.smits@gmail.com> and + * Remy Bohmer <linux@bohmer.net> + */ +#ifdef CONFIG_USB_GADGET_NET2280 +#define gadget_is_net2280(g) (!strcmp("net2280", (g)->name)) +#else +#define gadget_is_net2280(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_AMD5536UDC +#define gadget_is_amd5536udc(g) (!strcmp("amd5536udc", (g)->name)) +#else +#define gadget_is_amd5536udc(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_DUMMY_HCD +#define gadget_is_dummy(g) (!strcmp("dummy_udc", (g)->name)) +#else +#define gadget_is_dummy(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_PXA2XX +#define gadget_is_pxa(g) (!strcmp("pxa2xx_udc", (g)->name)) +#else +#define gadget_is_pxa(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_GOKU +#define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name)) +#else +#define gadget_is_goku(g) 0 +#endif + +/* SH3 UDC -- not yet ported 2.4 --> 2.6 */ +#ifdef CONFIG_USB_GADGET_SUPERH +#define gadget_is_sh(g) (!strcmp("sh_udc", (g)->name)) +#else +#define gadget_is_sh(g) 0 +#endif + +/* not yet stable on 2.6 (would help "original Zaurus") */ +#ifdef CONFIG_USB_GADGET_SA1100 +#define gadget_is_sa1100(g) (!strcmp("sa1100_udc", (g)->name)) +#else +#define gadget_is_sa1100(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_LH7A40X +#define gadget_is_lh7a40x(g) (!strcmp("lh7a40x_udc", (g)->name)) +#else +#define gadget_is_lh7a40x(g) 0 +#endif + +/* handhelds.org tree (?) */ +#ifdef CONFIG_USB_GADGET_MQ11XX +#define gadget_is_mq11xx(g) (!strcmp("mq11xx_udc", (g)->name)) +#else +#define gadget_is_mq11xx(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_OMAP +#define gadget_is_omap(g) (!strcmp("omap_udc", (g)->name)) +#else +#define gadget_is_omap(g) 0 +#endif + +/* not yet ported 2.4 --> 2.6 */ +#ifdef CONFIG_USB_GADGET_N9604 +#define gadget_is_n9604(g) (!strcmp("n9604_udc", (g)->name)) +#else +#define gadget_is_n9604(g) 0 +#endif + +/* various unstable versions available */ +#ifdef CONFIG_USB_GADGET_PXA27X +#define gadget_is_pxa27x(g) (!strcmp("pxa27x_udc", (g)->name)) +#else +#define gadget_is_pxa27x(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_ATMEL_USBA +#define gadget_is_atmel_usba(g) (!strcmp("atmel_usba_udc", (g)->name)) +#else +#define gadget_is_atmel_usba(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_S3C2410 +#define gadget_is_s3c2410(g) (!strcmp("s3c2410_udc", (g)->name)) +#else +#define gadget_is_s3c2410(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_AT91 +#define gadget_is_at91(g) (!strcmp("at91_udc", (g)->name)) +#else +#define gadget_is_at91(g) 0 +#endif + +/* status unclear */ +#ifdef CONFIG_USB_GADGET_IMX +#define gadget_is_imx(g) (!strcmp("imx_udc", (g)->name)) +#else +#define gadget_is_imx(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_FSL_USB2 +#define gadget_is_fsl_usb2(g) (!strcmp("fsl-usb2-udc", (g)->name)) +#else +#define gadget_is_fsl_usb2(g) 0 +#endif + +/* Mentor high speed function controller */ +/* from Montavista kernel (?) */ +#ifdef CONFIG_USB_GADGET_MUSBHSFC +#define gadget_is_musbhsfc(g) (!strcmp("musbhsfc_udc", (g)->name)) +#else +#define gadget_is_musbhsfc(g) 0 +#endif + +/* Mentor high speed "dual role" controller, in peripheral role */ +#ifdef CONFIG_USB_GADGET_MUSB_HDRC +#define gadget_is_musbhdrc(g) (!strcmp("musb_hdrc", (g)->name)) +#else +#define gadget_is_musbhdrc(g) 0 +#endif + +/* from Montavista kernel (?) */ +#ifdef CONFIG_USB_GADGET_MPC8272 +#define gadget_is_mpc8272(g) (!strcmp("mpc8272_udc", (g)->name)) +#else +#define gadget_is_mpc8272(g) 0 +#endif + +#ifdef CONFIG_USB_GADGET_M66592 +#define gadget_is_m66592(g) (!strcmp("m66592_udc", (g)->name)) +#else +#define gadget_is_m66592(g) 0 +#endif + + +/* + * CONFIG_USB_GADGET_SX2 + * CONFIG_USB_GADGET_AU1X00 + * ... + */ + +/** + * usb_gadget_controller_number - support bcdDevice id convention + * @gadget: the controller being driven + * + * Return a 2-digit BCD value associated with the peripheral controller, + * suitable for use as part of a bcdDevice value, or a negative error code. + * + * NOTE: this convention is purely optional, and has no meaning in terms of + * any USB specification. If you want to use a different convention in your + * gadget driver firmware -- maybe a more formal revision ID -- feel free. + * + * Hosts see these bcdDevice numbers, and are allowed (but not encouraged!) + * to change their behavior accordingly. For example it might help avoiding + * some chip bug. + */ +static inline int usb_gadget_controller_number(struct usb_gadget *gadget) +{ + if (gadget_is_net2280(gadget)) + return 0x01; + else if (gadget_is_dummy(gadget)) + return 0x02; + else if (gadget_is_pxa(gadget)) + return 0x03; + else if (gadget_is_sh(gadget)) + return 0x04; + else if (gadget_is_sa1100(gadget)) + return 0x05; + else if (gadget_is_goku(gadget)) + return 0x06; + else if (gadget_is_mq11xx(gadget)) + return 0x07; + else if (gadget_is_omap(gadget)) + return 0x08; + else if (gadget_is_lh7a40x(gadget)) + return 0x09; + else if (gadget_is_n9604(gadget)) + return 0x10; + else if (gadget_is_pxa27x(gadget)) + return 0x11; + else if (gadget_is_s3c2410(gadget)) + return 0x12; + else if (gadget_is_at91(gadget)) + return 0x13; + else if (gadget_is_imx(gadget)) + return 0x14; + else if (gadget_is_musbhsfc(gadget)) + return 0x15; + else if (gadget_is_musbhdrc(gadget)) + return 0x16; + else if (gadget_is_mpc8272(gadget)) + return 0x17; + else if (gadget_is_atmel_usba(gadget)) + return 0x18; + else if (gadget_is_fsl_usb2(gadget)) + return 0x19; + else if (gadget_is_amd5536udc(gadget)) + return 0x20; + else if (gadget_is_m66592(gadget)) + return 0x21; + return -ENOENT; +} |