LXR linux/include/linux/uvcvideo.h

   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;
  62        __u16 size;
  63        __u8 __user *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