xref: /linux/include/uapi/linux/hid.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
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 _UAPI__HID_H
27 #define _UAPI__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 report types --- Ouch! HID spec says 1 2 3!
47  */
48 
49 enum hid_report_type {
50 	HID_INPUT_REPORT		= 0,
51 	HID_OUTPUT_REPORT		= 1,
52 	HID_FEATURE_REPORT		= 2,
53 
54 	HID_REPORT_TYPES,
55 };
56 
57 /*
58  * HID class requests
59  */
60 
61 enum hid_class_request {
62 	HID_REQ_GET_REPORT		= 0x01,
63 	HID_REQ_GET_IDLE		= 0x02,
64 	HID_REQ_GET_PROTOCOL		= 0x03,
65 	HID_REQ_SET_REPORT		= 0x09,
66 	HID_REQ_SET_IDLE		= 0x0A,
67 	HID_REQ_SET_PROTOCOL		= 0x0B,
68 };
69 
70 /*
71  * HID class descriptor types
72  */
73 
74 #define HID_DT_HID			(USB_TYPE_CLASS | 0x01)
75 #define HID_DT_REPORT			(USB_TYPE_CLASS | 0x02)
76 #define HID_DT_PHYSICAL			(USB_TYPE_CLASS | 0x03)
77 
78 #define HID_MAX_DESCRIPTOR_SIZE		4096
79 
80 
81 #endif /* _UAPI__HID_H */
82