include/uapi/linux/hid.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 *  Copyright (c) 1999 Andreas Gal
 *  Copyright (c) 2000-2001 Vojtech Pavlik
 *  Copyright (c) 2006-2007 Jiri Kosina
 */
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */
#ifndef _UAPI__HID_H
#define _UAPI__HID_H



/*
 * USB HID (Human Interface Device) interface class code
 */

#define USB_INTERFACE_CLASS_HID		3

/*
 * 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 report types --- Ouch! HID spec says 1 2 3!
 */

enum hid_report_type {
	HID_INPUT_REPORT		= 0,
	HID_OUTPUT_REPORT		= 1,
	HID_FEATURE_REPORT		= 2,

	HID_REPORT_TYPES,
};

/*
 * HID class requests
 */

enum hid_class_request {
	HID_REQ_GET_REPORT		= 0x01,
	HID_REQ_GET_IDLE		= 0x02,
	HID_REQ_GET_PROTOCOL		= 0x03,
	HID_REQ_SET_REPORT		= 0x09,
	HID_REQ_SET_IDLE		= 0x0A,
	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)

#define HID_MAX_DESCRIPTOR_SIZE		4096


#endif /* _UAPI__HID_H */