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; /* Video Class-Specific Request Code, */ 62 /* defined in linux/usb/video.h A.8. */ 63 __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 71