1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2/*
3 * Copyright (c) 1999 Andreas Gal
4 * Copyright (c) 2000-2001 Vojtech Pavlik
5 * Copyright (c) 2006-2007 Jiri Kosina
6 */
7/*
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Should you need to contact me, the author, you can do so either by
23 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
24 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
25 */
26#ifndef __HID_H
27#define __HID_H
28
29
30
31/*
32 * USB HID (Human Interface Device) interface class code
33 */
34
35#define USB_INTERFACE_CLASS_HID 3
36
37/*
38 * USB HID interface subclass and protocol codes
39 */
40
41#define USB_INTERFACE_SUBCLASS_BOOT 1
42#define USB_INTERFACE_PROTOCOL_KEYBOARD 1
43#define USB_INTERFACE_PROTOCOL_MOUSE 2
44
45/*
46 * HID class requests
47 */
48
49#define HID_REQ_GET_REPORT 0x01
50#define HID_REQ_GET_IDLE 0x02
51#define HID_REQ_GET_PROTOCOL 0x03
52#define HID_REQ_SET_REPORT 0x09
53#define HID_REQ_SET_IDLE 0x0A
54#define HID_REQ_SET_PROTOCOL 0x0B
55
56/*
57 * HID class descriptor types
58 */
59
60#define HID_DT_HID (USB_TYPE_CLASS | 0x01)
61#define HID_DT_REPORT (USB_TYPE_CLASS | 0x02)
62#define HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
63
64#define HID_MAX_DESCRIPTOR_SIZE 4096
65
66
67#endif /* __HID_H */
68

source code of include/linux/hid.h