include/uapi/linux/v4l2-subdev.h - linux/torvalds/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 /*
  * V4L2 subdev userspace API
  *
  * Copyright (C) 2010 Nokia Corporation
  *
  * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  *	     Sakari Ailus <sakari.ailus@iki.fi>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */

 #ifndef __LINUX_V4L2_SUBDEV_H
 #define __LINUX_V4L2_SUBDEV_H

 #include <linux/ioctl.h>
 #include <linux/types.h>
 #include <linux/v4l2-common.h>
 #include <linux/v4l2-mediabus.h>

 /**
  * enum v4l2_subdev_format_whence - Media bus format type
  * @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only
  * @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device
  */
 enum v4l2_subdev_format_whence {
 	V4L2_SUBDEV_FORMAT_TRY = 0,
 	V4L2_SUBDEV_FORMAT_ACTIVE = 1,
 };

 /**
  * struct v4l2_subdev_format - Pad-level media bus format
  * @which: format type (from enum v4l2_subdev_format_whence)
  * @pad: pad number, as reported by the media API
  * @format: media bus format (format code and frame size)
  */
 struct v4l2_subdev_format {
 	__u32 which;
 	__u32 pad;
 	struct v4l2_mbus_framefmt format;
 	__u32 reserved[8];
 };

 /**
  * struct v4l2_subdev_crop - Pad-level crop settings
  * @which: format type (from enum v4l2_subdev_format_whence)
  * @pad: pad number, as reported by the media API
  * @rect: pad crop rectangle boundaries
  */
 struct v4l2_subdev_crop {
 	__u32 which;
 	__u32 pad;
 	struct v4l2_rect rect;
 	__u32 reserved[8];
 };

 /**
  * struct v4l2_subdev_mbus_code_enum - Media bus format enumeration
  * @pad: pad number, as reported by the media API
  * @index: format index during enumeration
  * @code: format code (MEDIA_BUS_FMT_ definitions)
  * @which: format type (from enum v4l2_subdev_format_whence)
  */
 struct v4l2_subdev_mbus_code_enum {
 	__u32 pad;
 	__u32 index;
 	__u32 code;
 	__u32 which;
 	__u32 reserved[8];
 };

 /**
  * struct v4l2_subdev_frame_size_enum - Media bus format enumeration
  * @pad: pad number, as reported by the media API
  * @index: format index during enumeration
  * @code: format code (MEDIA_BUS_FMT_ definitions)
  * @which: format type (from enum v4l2_subdev_format_whence)
  */
 struct v4l2_subdev_frame_size_enum {
 	__u32 index;
 	__u32 pad;
 	__u32 code;
 	__u32 min_width;
 	__u32 max_width;
 	__u32 min_height;
 	__u32 max_height;
 	__u32 which;
 	__u32 reserved[8];
 };

 /**
  * struct v4l2_subdev_frame_interval - Pad-level frame rate
  * @pad: pad number, as reported by the media API
  * @interval: frame interval in seconds
  */
 struct v4l2_subdev_frame_interval {
 	__u32 pad;
 	struct v4l2_fract interval;
 	__u32 reserved[9];
 };

 /**
  * struct v4l2_subdev_frame_interval_enum - Frame interval enumeration
  * @pad: pad number, as reported by the media API
  * @index: frame interval index during enumeration
  * @code: format code (MEDIA_BUS_FMT_ definitions)
  * @width: frame width in pixels
  * @height: frame height in pixels
  * @interval: frame interval in seconds
  * @which: format type (from enum v4l2_subdev_format_whence)
  */
 struct v4l2_subdev_frame_interval_enum {
 	__u32 index;
 	__u32 pad;
 	__u32 code;
 	__u32 width;
 	__u32 height;
 	struct v4l2_fract interval;
 	__u32 which;
 	__u32 reserved[8];
 };

 /**
  * struct v4l2_subdev_selection - selection info
  *
  * @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY
  * @pad: pad number, as reported by the media API
  * @target: Selection target, used to choose one of possible rectangles,
  *	    defined in v4l2-common.h; V4L2_SEL_TGT_* .
  * @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  * @r: coordinates of the selection window
  * @reserved: for future use, set to zero for now
  *
  * Hardware may use multiple helper windows to process a video stream.
  * The structure is used to exchange this selection areas between
  * an application and a driver.
  */
 struct v4l2_subdev_selection {
 	__u32 which;
 	__u32 pad;
 	__u32 target;
 	__u32 flags;
 	struct v4l2_rect r;
 	__u32 reserved[8];
 };

 /**
  * struct v4l2_subdev_capability - subdev capabilities
  * @version: the driver versioning number
  * @capabilities: the subdev capabilities, see V4L2_SUBDEV_CAP_*
  * @reserved: for future use, set to zero for now
  */
 struct v4l2_subdev_capability {
 	__u32 version;
 	__u32 capabilities;
 	__u32 reserved[14];
 };

 /* The v4l2 sub-device video device node is registered in read-only mode. */
 #define V4L2_SUBDEV_CAP_RO_SUBDEV		BIT(0)

 /* Backwards compatibility define --- to be removed */
 #define v4l2_subdev_edid v4l2_edid

 #define VIDIOC_SUBDEV_QUERYCAP			_IOR('V',  0, struct v4l2_subdev_capability)
 #define VIDIOC_SUBDEV_G_FMT			_IOWR('V',  4, struct v4l2_subdev_format)
 #define VIDIOC_SUBDEV_S_FMT			_IOWR('V',  5, struct v4l2_subdev_format)
 #define VIDIOC_SUBDEV_G_FRAME_INTERVAL		_IOWR('V', 21, struct v4l2_subdev_frame_interval)
 #define VIDIOC_SUBDEV_S_FRAME_INTERVAL		_IOWR('V', 22, struct v4l2_subdev_frame_interval)
 #define VIDIOC_SUBDEV_ENUM_MBUS_CODE		_IOWR('V',  2, struct v4l2_subdev_mbus_code_enum)
 #define VIDIOC_SUBDEV_ENUM_FRAME_SIZE		_IOWR('V', 74, struct v4l2_subdev_frame_size_enum)
 #define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL	_IOWR('V', 75, struct v4l2_subdev_frame_interval_enum)
 #define VIDIOC_SUBDEV_G_CROP			_IOWR('V', 59, struct v4l2_subdev_crop)
 #define VIDIOC_SUBDEV_S_CROP			_IOWR('V', 60, struct v4l2_subdev_crop)
 #define VIDIOC_SUBDEV_G_SELECTION		_IOWR('V', 61, struct v4l2_subdev_selection)
 #define VIDIOC_SUBDEV_S_SELECTION		_IOWR('V', 62, struct v4l2_subdev_selection)
 /* The following ioctls are identical to the ioctls in videodev2.h */
 #define VIDIOC_SUBDEV_G_STD			_IOR('V', 23, v4l2_std_id)
 #define VIDIOC_SUBDEV_S_STD			_IOW('V', 24, v4l2_std_id)
 #define VIDIOC_SUBDEV_ENUMSTD			_IOWR('V', 25, struct v4l2_standard)
 #define VIDIOC_SUBDEV_G_EDID			_IOWR('V', 40, struct v4l2_edid)
 #define VIDIOC_SUBDEV_S_EDID			_IOWR('V', 41, struct v4l2_edid)
 #define VIDIOC_SUBDEV_QUERYSTD			_IOR('V', 63, v4l2_std_id)
 #define VIDIOC_SUBDEV_S_DV_TIMINGS		_IOWR('V', 87, struct v4l2_dv_timings)
 #define VIDIOC_SUBDEV_G_DV_TIMINGS		_IOWR('V', 88, struct v4l2_dv_timings)
 #define VIDIOC_SUBDEV_ENUM_DV_TIMINGS		_IOWR('V', 98, struct v4l2_enum_dv_timings)
 #define VIDIOC_SUBDEV_QUERY_DV_TIMINGS		_IOR('V', 99, struct v4l2_dv_timings)
 #define VIDIOC_SUBDEV_DV_TIMINGS_CAP		_IOWR('V', 100, struct v4l2_dv_timings_cap)

 #endif
	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
	/*
	* V4L2 subdev userspace API
	*
	* Copyright (C) 2010 Nokia Corporation
	*
	* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
	* Sakari Ailus <sakari.ailus@iki.fi>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#ifndef __LINUX_V4L2_SUBDEV_H
	#define __LINUX_V4L2_SUBDEV_H

	#include <linux/ioctl.h>
	#include <linux/types.h>
	#include <linux/v4l2-common.h>
	#include <linux/v4l2-mediabus.h>

	/**
	* enum v4l2_subdev_format_whence - Media bus format type
	* @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only
	* @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device
	*/
	enum v4l2_subdev_format_whence {
	V4L2_SUBDEV_FORMAT_TRY = 0,
	V4L2_SUBDEV_FORMAT_ACTIVE = 1,
	};

	/**
	* struct v4l2_subdev_format - Pad-level media bus format
	* @which: format type (from enum v4l2_subdev_format_whence)
	* @pad: pad number, as reported by the media API
	* @format: media bus format (format code and frame size)
	*/
	struct v4l2_subdev_format {
	__u32 which;
	__u32 pad;
	struct v4l2_mbus_framefmt format;
	__u32 reserved[8];
	};

	/**
	* struct v4l2_subdev_crop - Pad-level crop settings
	* @which: format type (from enum v4l2_subdev_format_whence)
	* @pad: pad number, as reported by the media API
	* @rect: pad crop rectangle boundaries
	*/
	struct v4l2_subdev_crop {
	__u32 which;
	__u32 pad;
	struct v4l2_rect rect;
	__u32 reserved[8];
	};

	/**
	* struct v4l2_subdev_mbus_code_enum - Media bus format enumeration
	* @pad: pad number, as reported by the media API
	* @index: format index during enumeration
	* @code: format code (MEDIA_BUS_FMT_ definitions)
	* @which: format type (from enum v4l2_subdev_format_whence)
	*/
	struct v4l2_subdev_mbus_code_enum {
	__u32 pad;
	__u32 index;
	__u32 code;
	__u32 which;
	__u32 reserved[8];
	};

	/**
	* struct v4l2_subdev_frame_size_enum - Media bus format enumeration
	* @pad: pad number, as reported by the media API
	* @index: format index during enumeration
	* @code: format code (MEDIA_BUS_FMT_ definitions)
	* @which: format type (from enum v4l2_subdev_format_whence)
	*/
	struct v4l2_subdev_frame_size_enum {
	__u32 index;
	__u32 pad;
	__u32 code;
	__u32 min_width;
	__u32 max_width;
	__u32 min_height;
	__u32 max_height;
	__u32 which;
	__u32 reserved[8];
	};

	/**
	* struct v4l2_subdev_frame_interval - Pad-level frame rate
	* @pad: pad number, as reported by the media API
	* @interval: frame interval in seconds
	*/
	struct v4l2_subdev_frame_interval {
	__u32 pad;
	struct v4l2_fract interval;
	__u32 reserved[9];
	};

	/**
	* struct v4l2_subdev_frame_interval_enum - Frame interval enumeration
	* @pad: pad number, as reported by the media API
	* @index: frame interval index during enumeration
	* @code: format code (MEDIA_BUS_FMT_ definitions)
	* @width: frame width in pixels
	* @height: frame height in pixels
	* @interval: frame interval in seconds
	* @which: format type (from enum v4l2_subdev_format_whence)
	*/
	struct v4l2_subdev_frame_interval_enum {
	__u32 index;
	__u32 pad;
	__u32 code;
	__u32 width;
	__u32 height;
	struct v4l2_fract interval;
	__u32 which;
	__u32 reserved[8];
	};

	/**
	* struct v4l2_subdev_selection - selection info
	*
	* @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY
	* @pad: pad number, as reported by the media API
	* @target: Selection target, used to choose one of possible rectangles,
	* defined in v4l2-common.h; V4L2_SEL_TGT_* .
	* @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
	* @r: coordinates of the selection window
	* @reserved: for future use, set to zero for now
	*
	* Hardware may use multiple helper windows to process a video stream.
	* The structure is used to exchange this selection areas between
	* an application and a driver.
	*/
	struct v4l2_subdev_selection {
	__u32 which;
	__u32 pad;
	__u32 target;
	__u32 flags;
	struct v4l2_rect r;
	__u32 reserved[8];
	};

	/**
	* struct v4l2_subdev_capability - subdev capabilities
	* @version: the driver versioning number
	* @capabilities: the subdev capabilities, see V4L2_SUBDEV_CAP_*
	* @reserved: for future use, set to zero for now
	*/
	struct v4l2_subdev_capability {
	__u32 version;
	__u32 capabilities;
	__u32 reserved[14];
	};

	/* The v4l2 sub-device video device node is registered in read-only mode. */
	#define V4L2_SUBDEV_CAP_RO_SUBDEV BIT(0)

	/* Backwards compatibility define --- to be removed */
	#define v4l2_subdev_edid v4l2_edid

	#define VIDIOC_SUBDEV_QUERYCAP _IOR('V', 0, struct v4l2_subdev_capability)
	#define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format)
	#define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format)
	#define VIDIOC_SUBDEV_G_FRAME_INTERVAL _IOWR('V', 21, struct v4l2_subdev_frame_interval)
	#define VIDIOC_SUBDEV_S_FRAME_INTERVAL _IOWR('V', 22, struct v4l2_subdev_frame_interval)
	#define VIDIOC_SUBDEV_ENUM_MBUS_CODE _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum)
	#define VIDIOC_SUBDEV_ENUM_FRAME_SIZE _IOWR('V', 74, struct v4l2_subdev_frame_size_enum)
	#define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum)
	#define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop)
	#define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop)
	#define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct v4l2_subdev_selection)
	#define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection)
	/* The following ioctls are identical to the ioctls in videodev2.h */
	#define VIDIOC_SUBDEV_G_STD _IOR('V', 23, v4l2_std_id)
	#define VIDIOC_SUBDEV_S_STD _IOW('V', 24, v4l2_std_id)
	#define VIDIOC_SUBDEV_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
	#define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid)
	#define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid)
	#define VIDIOC_SUBDEV_QUERYSTD _IOR('V', 63, v4l2_std_id)
	#define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
	#define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
	#define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
	#define VIDIOC_SUBDEV_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
	#define VIDIOC_SUBDEV_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)

	#endif