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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#ifndef __LINUX_UVCVIDEO_H_#define __LINUX_UVCVIDEO_H_
#include <linux/ioctl.h>#include <linux/types.h>
/* * Dynamic controls */
/* Data types for UVC control data */#define UVC_CTRL_DATA_TYPE_RAW 0#define UVC_CTRL_DATA_TYPE_SIGNED 1#define UVC_CTRL_DATA_TYPE_UNSIGNED 2#define UVC_CTRL_DATA_TYPE_BOOLEAN 3#define UVC_CTRL_DATA_TYPE_ENUM 4#define UVC_CTRL_DATA_TYPE_BITMASK 5#define UVC_CTRL_DATA_TYPE_RECT 6
/* Control flags */#define UVC_CTRL_FLAG_SET_CUR (1 << 0)#define UVC_CTRL_FLAG_GET_CUR (1 << 1)#define UVC_CTRL_FLAG_GET_MIN (1 << 2)#define UVC_CTRL_FLAG_GET_MAX (1 << 3)#define UVC_CTRL_FLAG_GET_RES (1 << 4)#define UVC_CTRL_FLAG_GET_DEF (1 << 5)/* Control should be saved at suspend and restored at resume. */#define UVC_CTRL_FLAG_RESTORE (1 << 6)/* Control can be updated by the camera. */#define UVC_CTRL_FLAG_AUTO_UPDATE (1 << 7)/* Control supports asynchronous reporting */#define UVC_CTRL_FLAG_ASYNCHRONOUS (1 << 8)
#define UVC_CTRL_FLAG_GET_RANGE \ (UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \ UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \ UVC_CTRL_FLAG_GET_DEF)
#define UVC_MENU_NAME_LEN 32
/* V4L2 driver-specific controls */#define V4L2_CID_UVC_REGION_OF_INTEREST_RECT (V4L2_CID_USER_UVC_BASE + 1)#define V4L2_CID_UVC_REGION_OF_INTEREST_AUTO (V4L2_CID_USER_UVC_BASE + 2)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_EXPOSURE (1 << 0)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_IRIS (1 << 1)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_WHITE_BALANCE (1 << 2)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_FOCUS (1 << 3)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_FACE_DETECT (1 << 4)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_DETECT_AND_TRACK (1 << 5)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_IMAGE_STABILIZATION (1 << 6)#define V4L2_UVC_REGION_OF_INTEREST_AUTO_HIGHER_QUALITY (1 << 7)
struct uvc_menu_info { __u32 value; __u8 name[UVC_MENU_NAME_LEN];};
struct uvc_xu_control_mapping { __u32 id; __u8 name[32]; __u8 entity[16]; __u8 selector;
__u8 size; __u8 offset; __u32 v4l2_type; __u32 data_type;
struct uvc_menu_info __user *menu_info; __u32 menu_count;
__u32 reserved[4];};
struct uvc_xu_control_query { __u8 unit; __u8 selector; __u8 query; /* Video Class-Specific Request Code, */ /* defined in linux/usb/video.h A.8. */ __u16 size; __u8 __user *data;};
#define UVCIOC_CTRL_MAP _IOWR('u', 0x20, struct uvc_xu_control_mapping)#define UVCIOC_CTRL_QUERY _IOWR('u', 0x21, struct uvc_xu_control_query)
/* * Metadata node */
/** * struct uvc_meta_buf - metadata buffer building block * @ns: system timestamp of the payload in nanoseconds * @sof: USB Frame Number * @length: length of the payload header * @flags: payload header flags * @buf: optional device-specific header data * * UVC metadata nodes fill buffers with possibly multiple instances of this * struct. The first two fields are added by the driver, they can be used for * clock synchronisation. The rest is an exact copy of a UVC payload header. * Only complete objects with complete buffers are included. Therefore it's * always sizeof(meta->ns) + sizeof(meta->sof) + meta->length bytes large. */struct uvc_meta_buf { __u64 ns; __u16 sof; __u8 length; __u8 flags; __u8 buf[];} __packed;
#endif