1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_UVCVIDEO_H_ 3 #define __LINUX_UVCVIDEO_H_ 4 5 #include <linux/ioctl.h> 6 #include <linux/types.h> 7 8 /* 9 * Dynamic controls 10 */ 11 12 /* Data types for UVC control data */ 13 #define UVC_CTRL_DATA_TYPE_RAW 0 14 #define UVC_CTRL_DATA_TYPE_SIGNED 1 15 #define UVC_CTRL_DATA_TYPE_UNSIGNED 2 16 #define UVC_CTRL_DATA_TYPE_BOOLEAN 3 17 #define UVC_CTRL_DATA_TYPE_ENUM 4 18 #define UVC_CTRL_DATA_TYPE_BITMASK 5 19 20 /* Control flags */ 21 #define UVC_CTRL_FLAG_SET_CUR (1 << 0) 22 #define UVC_CTRL_FLAG_GET_CUR (1 << 1) 23 #define UVC_CTRL_FLAG_GET_MIN (1 << 2) 24 #define UVC_CTRL_FLAG_GET_MAX (1 << 3) 25 #define UVC_CTRL_FLAG_GET_RES (1 << 4) 26 #define UVC_CTRL_FLAG_GET_DEF (1 << 5) 27 /* Control should be saved at suspend and restored at resume. */ 28 #define UVC_CTRL_FLAG_RESTORE (1 << 6) 29 /* Control can be updated by the camera. */ 30 #define UVC_CTRL_FLAG_AUTO_UPDATE (1 << 7) 31 32 #define UVC_CTRL_FLAG_GET_RANGE \ 33 (UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \ 34 UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \ 35 UVC_CTRL_FLAG_GET_DEF) 36 37 struct uvc_menu_info { 38 __u32 value; 39 __u8 name[32]; 40 }; 41 42 struct uvc_xu_control_mapping { 43 __u32 id; 44 __u8 name[32]; 45 __u8 entity[16]; 46 __u8 selector; 47 48 __u8 size; 49 __u8 offset; 50 __u32 v4l2_type; 51 __u32 data_type; 52 53 struct uvc_menu_info __user *menu_info; 54 __u32 menu_count; 55 56 __u32 reserved[4]; 57 }; 58 59 struct uvc_xu_control_query { 60 __u8 unit; 61 __u8 selector; 62 __u8 query; /* Video Class-Specific Request Code, */ 63 /* defined in linux/usb/video.h A.8. */ 64 __u16 size; 65 __u8 __user *data; 66 }; 67 68 #define UVCIOC_CTRL_MAP _IOWR('u', 0x20, struct uvc_xu_control_mapping) 69 #define UVCIOC_CTRL_QUERY _IOWR('u', 0x21, struct uvc_xu_control_query) 70 71 #endif 72
