gadget_chips.h

omap3 linux 2.6 用nocc去除了冗余代码

/*
 * 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.
 */
#define	gadget_is_net2280(g)	0

#define	gadget_is_dummy(g)	0

#define	gadget_is_pxa(g)	0

#define	gadget_is_goku(g)	0

#define	gadget_is_sh(g)		0

#define	gadget_is_sa1100(g)	0

#define	gadget_is_lh7a40x(g)	0

#define	gadget_is_mq11xx(g)	0

#define	gadget_is_omap(g)	0

#define	gadget_is_n9604(g)	0

#define	gadget_is_pxa27x(g)	0

#define gadget_is_husb2dev(g)	0

#define gadget_is_s3c2410(g)    0

#define gadget_is_at91(g)	0

#define gadget_is_imx(g)	0

#define gadget_is_fsl_usb2(g)	0

/* Mentor high speed function controller */
#define gadget_is_musbhsfc(g)	0

/* Mentor high speed "dual role" controller, in peripheral role */
#define gadget_is_musbhdrc(g)	!strcmp("musb_hdrc", (g)->name)

#define gadget_is_mpc8272(g)	0

// 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_husb2dev(gadget))
		return 0x18;
	else if (gadget_is_fsl_usb2(gadget))
		return 0x19;
	return -ENOENT;
}