/**
 * \file
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 *
 * \author Andrea Righi <arighi@develer.com>
 *
 * \brief Generic USB Human Interface Device (HID) driver.
 */

#ifndef USB_HID_H
#define USB_HID_H

#include <cpu/types.h>

/*
 * USB HID interface subclass and protocol codes
 */
#define USB_INTERFACE_SUBCLASS_BOOT	1
#define USB_INTERFACE_PROTOCOL_KEYBOARD	1
#define USB_INTERFACE_PROTOCOL_MOUSE	2

/*
 * HID class requests
 */
#define HID_REQ_GET_REPORT		0x01
#define HID_REQ_GET_IDLE		0x02
#define HID_REQ_GET_PROTOCOL		0x03
#define HID_REQ_SET_REPORT		0x09
#define HID_REQ_SET_IDLE		0x0A
#define HID_REQ_SET_PROTOCOL		0x0B

/*
 * HID class descriptor types
 */
#define HID_DT_HID		(USB_TYPE_CLASS | 0x01)
#define HID_DT_REPORT		(USB_TYPE_CLASS | 0x02)
#define HID_DT_PHYSICAL		(USB_TYPE_CLASS | 0x03)

/*
 * USB HID descriptor
 */
typedef struct usb_HidDesc
{
	uint8_t bLength;
	uint8_t bDescriptorType;
	uint16_t bcdHID;
	uint8_t bCountryCode;
	uint8_t bNumDescriptors;
	uint8_t bDescriptorHidType;
	uint16_t wDescriptorLength;
} PACKED usb_HidDesc;

#endif /* USB_HID_H */
