Laurent Pinchart | 5f70881 | 2010-11-21 17:15:44 -0300 | [diff] [blame^] | 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 { |
| 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 __user *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 __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 |