100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
|
/* 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
|
||
|
|
|
||
|
|
/* 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)
|
||
|
|
|
||
|
|
struct uvc_menu_info {
|
||
|
|
__u32 value;
|
||
|
|
__u8 name[32];
|
||
|
|
};
|
||
|
|
|
||
|
|
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 *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 *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->ts) + sizeof(meta->sof) + meta->length bytes large.
|
||
|
|
*/
|
||
|
|
struct uvc_meta_buf {
|
||
|
|
__u64 ns;
|
||
|
|
__u16 sof;
|
||
|
|
__u8 length;
|
||
|
|
__u8 flags;
|
||
|
|
__u8 buf[];
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
#endif
|