gadget_chips.h
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/*
* 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
/* 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_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_MUSB_GADGET
#define gadget_is_musbhdrc(g) (!strcmp("musb-hdrc", (g)->name))
#else
#define gadget_is_musbhdrc(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
#ifdef CONFIG_CI_UDC
#define gadget_is_ci(g) (!strcmp("ci_udc", (g)->name))
#else
#define gadget_is_ci(g) 0
#endif
#ifdef CONFIG_USB_GADGET_FOTG210
#define gadget_is_fotg210(g) (!strcmp("fotg210_udc", (g)->name))
#else
#define gadget_is_fotg210(g) 0
#endif
#ifdef CONFIG_USB_DWC3_GADGET
#define gadget_is_dwc3(g) (!strcmp("dwc3-gadget", (g)->name))
#else
#define gadget_is_dwc3(g) 0
#endif
#ifdef CONFIG_USB_CDNS3_GADGET
#define gadget_is_cdns3(g) (!strcmp("cdns3-gadget", (g)->name))
#else
#define gadget_is_cdns3(g) 0
#endif
/**
* 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_n9604(gadget))
return 0x09;
else if (gadget_is_pxa27x(gadget))
return 0x10;
else if (gadget_is_at91(gadget))
return 0x12;
else if (gadget_is_imx(gadget))
return 0x13;
else if (gadget_is_musbhsfc(gadget))
return 0x14;
else if (gadget_is_musbhdrc(gadget))
return 0x15;
else if (gadget_is_atmel_usba(gadget))
return 0x17;
else if (gadget_is_fsl_usb2(gadget))
return 0x18;
else if (gadget_is_amd5536udc(gadget))
return 0x19;
else if (gadget_is_m66592(gadget))
return 0x20;
else if (gadget_is_ci(gadget))
return 0x21;
else if (gadget_is_fotg210(gadget))
return 0x22;
else if (gadget_is_dwc3(gadget))
return 0x23;
else if (gadget_is_cdns3(gadget))
return 0x24;
return -ENOENT;
}