Linux Kernel  3.7.1
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uvcvideo.h
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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 
36 struct uvc_menu_info {
38  __u8 name[32];
39 };
40 
43  __u8 name[32];
44  __u8 entity[16];
46 
51 
54 
56 };
57 
61  __u8 query; /* Video Class-Specific Request Code, */
62  /* defined in linux/usb/video.h A.8. */
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