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/*
* 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 (from enum v4l2_mbus_pixelcode)
*/
struct v4l2_subdev_mbus_code_enum {
__u32 pad;
__u32 index;
__u32 code;
__u32 reserved[9];
};
/**
* 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 (from enum v4l2_mbus_pixelcode)
*/
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 reserved[9];
};
/**
* 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 (from enum v4l2_mbus_pixelcode)
* @width: frame width in pixels
* @height: frame height in pixels
* @interval: frame interval in seconds
*/
struct v4l2_subdev_frame_interval_enum {
__u32 index;
__u32 pad;
__u32 code;
__u32 width;
__u32 height;
struct v4l2_fract interval;
__u32 reserved[9];
};
/**
* 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_edid {
__u32 pad;
__u32 start_block;
__u32 blocks;
__u32 reserved[5];
__u8 *edid;
};
#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)
#define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_subdev_edid)
#define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_subdev_edid)
#endif