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01: #ifndef __LINUX_UVCVIDEO_H_
02: #define __LINUX_UVCVIDEO_H_
03: 
04: #include <linux/ioctl.h>
05: #include <linux/types.h>
06: 
07: /*
08:  * Dynamic controls
09:  */
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: 
36: struct uvc_menu_info {
37:         __u32 value;
38:         __u8 name[32];
39: };
40: 
41: struct 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 *menu_info;
53:         __u32 menu_count;
54: 
55:         __u32 reserved[4];
56: };
57: 
58: struct uvc_xu_control_query {
59:         __u8 unit;
60:         __u8 selector;
61:         __u8 query;
62:         __u16 size;
63:         __u8 *data;
64: };
65: 
66: #define UVCIOC_CTRL_MAP         _IOWR('u', 0x20, struct uvc_xu_control_mapping)
67: #define UVCIOC_CTRL_QUERY       _IOWR('u', 0x21, struct uvc_xu_control_query)
68: 
69: #endif
70: 

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