/* * 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. */ #ifndef __GADGET_CHIPS_H #define __GADGET_CHIPS_H #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_PXA25X #define gadget_is_pxa(g) !strcmp("pxa25x_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 /* Freescale CPM/QE UDC SUPPORT */ #ifdef CONFIG_USB_GADGET_FSL_QE #define gadget_is_fsl_qe(g) !strcmp("fsl_qe_udc", (g)->name) #else #define gadget_is_fsl_qe(g) 0 #endif #ifdef CONFIG_USB_GADGET_CI13XXX #define gadget_is_ci13xxx(g) (!strcmp("ci13xxx_udc", (g)->name)) #else #define gadget_is_ci13xxx(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; else if (gadget_is_fsl_qe(gadget)) return 0x22; else if (gadget_is_ci13xxx(gadget)) return 0x23; return -ENOENT; } /** * gadget_supports_altsettings - return true if altsettings work * @gadget: the gadget in question */ static inline bool gadget_supports_altsettings(struct usb_gadget *gadget) { /* PXA 21x/25x/26x has no altsettings at all */ if (gadget_is_pxa(gadget)) return false; /* PXA 27x and 3xx have *broken* altsetting support */ if (gadget_is_pxa27x(gadget)) return false; /* SH3 hardware just doesn't do altsettings */ if (gadget_is_sh(gadget)) return false; /* Everything else is *presumably* fine ... */ return true; } #endif /* __GADGET_CHIPS_H */