1#ifndef __LINUX_UVCVIDEO_H_
2#define __LINUX_UVCVIDEO_H_
3
4#include <linux/ioctl.h>
5#include <linux/types.h>
6
7/*
8 * Dynamic controls
9 */
10
11/* Data types for UVC control data */
12#define UVC_CTRL_DATA_TYPE_RAW		0
13#define UVC_CTRL_DATA_TYPE_SIGNED	1
14#define UVC_CTRL_DATA_TYPE_UNSIGNED	2
15#define UVC_CTRL_DATA_TYPE_BOOLEAN	3
16#define UVC_CTRL_DATA_TYPE_ENUM		4
17#define UVC_CTRL_DATA_TYPE_BITMASK	5
18
19/* Control flags */
20#define UVC_CTRL_FLAG_SET_CUR		(1 << 0)
21#define UVC_CTRL_FLAG_GET_CUR		(1 << 1)
22#define UVC_CTRL_FLAG_GET_MIN		(1 << 2)
23#define UVC_CTRL_FLAG_GET_MAX		(1 << 3)
24#define UVC_CTRL_FLAG_GET_RES		(1 << 4)
25#define UVC_CTRL_FLAG_GET_DEF		(1 << 5)
26/* Control should be saved at suspend and restored at resume. */
27#define UVC_CTRL_FLAG_RESTORE		(1 << 6)
28/* Control can be updated by the camera. */
29#define UVC_CTRL_FLAG_AUTO_UPDATE	(1 << 7)
30
31#define UVC_CTRL_FLAG_GET_RANGE \
32	(UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \
33	 UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \
34	 UVC_CTRL_FLAG_GET_DEF)
35
36struct uvc_menu_info {
37	__u32 value;
38	__u8 name[32];
39};
40
41struct uvc_xu_control_mapping {
42	__u32 id;
43	__u8 name[32];
44	__u8 entity[16];
45	__u8 selector;
46
47	__u8 size;
48	__u8 offset;
49	__u32 v4l2_type;
50	__u32 data_type;
51
52	struct uvc_menu_info __user *menu_info;
53	__u32 menu_count;
54
55	__u32 reserved[4];
56};
57
58struct uvc_xu_control_query {
59	__u8 unit;
60	__u8 selector;
61	__u8 query;		/* Video Class-Specific Request Code, */
62				/* defined in linux/usb/video.h A.8.  */
63	__u16 size;
64	__u8 __user *data;
65};
66
67#define UVCIOC_CTRL_MAP		_IOWR('u', 0x20, struct uvc_xu_control_mapping)
68#define UVCIOC_CTRL_QUERY	_IOWR('u', 0x21, struct uvc_xu_control_query)
69
70#endif
71