/* 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' , 0 x20, struct uvc_xu_control_mapping)
#define UVCIOC_CTRL_QUERY _IOWR('u' , 0 x21, 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
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