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Laurent Pinchart5f708812010-11-21 17:15:44 -03001#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;
Laurent Pinchart7078daa2012-05-14 04:34:34 -030061 __u8 query; /* Video Class-Specific Request Code, */
62 /* defined in linux/usb/video.h A.8. */
Laurent Pinchart5f708812010-11-21 17:15:44 -030063 __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