usb_ep0.h

linux2.4.20下的针对三星公司的s3c2410的usb模块驱动代码

/*
 *  Copyright (C) Intrinsyc, Inc., 2002
 *
 *  usb_ep0.h
 *
 */

#ifndef __USB_EP0_H
#define __USB_EP0_H

/*================================================
 * USB Protocol Stuff
 */

/* Request Codes   */
enum { 
	GET_STATUS		=0,
	CLEAR_FEATURE		=1,
	/* reserved		=2 */
	SET_FEATURE		=3,
	/* reserved		=4 */
	SET_ADDRESS		=5,        
	GET_DESCRIPTOR		=6,
	SET_DESCRIPTOR		=7,
	GET_CONFIGURATION	=8,
	SET_CONFIGURATION	=9,
	GET_INTERFACE		=10,
	SET_INTERFACE		=11,
	SYNCH_FRAME		=12
};

/* USB Device Requests */
typedef struct
{
	__u8 bmRequestType;
	__u8 bRequest;
	__u16 wValue;
	__u16 wIndex;
	__u16 wLength;
} usb_dev_request_t  __attribute__ ((packed));

/* Data extraction from usb_request_t fields */
enum { 
	kTargetDevice	=0,
	kTargetInterface=1,
	kTargetEndpoint	=2 
};

/* Standard Feature Selectors */
enum { 
	fEndpoint_Halt = 0, 
	fDevice_Remote_Wakeup = 1 
};
#endif /* _USB_EP0_H_ */