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209 lines
7.1 KiB
209 lines
7.1 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* |
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* V4L2 subdev userspace API |
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* |
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* Copyright (C) 2010 Nokia Corporation |
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* |
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* Contacts: Laurent Pinchart <[email protected]> |
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* Sakari Ailus <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#ifndef __LINUX_V4L2_SUBDEV_H |
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#define __LINUX_V4L2_SUBDEV_H |
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#include <linux/ioctl.h> |
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#include <linux/types.h> |
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#include <linux/v4l2-common.h> |
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#include <linux/v4l2-mediabus.h> |
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/** |
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* enum v4l2_subdev_format_whence - Media bus format type |
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* @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only |
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* @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device |
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*/ |
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enum v4l2_subdev_format_whence { |
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V4L2_SUBDEV_FORMAT_TRY = 0, |
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V4L2_SUBDEV_FORMAT_ACTIVE = 1, |
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}; |
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/** |
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* struct v4l2_subdev_format - Pad-level media bus format |
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* @which: format type (from enum v4l2_subdev_format_whence) |
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* @pad: pad number, as reported by the media API |
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* @format: media bus format (format code and frame size) |
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*/ |
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struct v4l2_subdev_format { |
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__u32 which; |
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__u32 pad; |
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struct v4l2_mbus_framefmt format; |
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__u32 reserved[8]; |
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}; |
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/** |
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* struct v4l2_subdev_crop - Pad-level crop settings |
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* @which: format type (from enum v4l2_subdev_format_whence) |
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* @pad: pad number, as reported by the media API |
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* @rect: pad crop rectangle boundaries |
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*/ |
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struct v4l2_subdev_crop { |
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__u32 which; |
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__u32 pad; |
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struct v4l2_rect rect; |
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__u32 reserved[8]; |
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}; |
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#define V4L2_SUBDEV_MBUS_CODE_CSC_COLORSPACE 0x00000001 |
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#define V4L2_SUBDEV_MBUS_CODE_CSC_XFER_FUNC 0x00000002 |
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#define V4L2_SUBDEV_MBUS_CODE_CSC_YCBCR_ENC 0x00000004 |
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#define V4L2_SUBDEV_MBUS_CODE_CSC_HSV_ENC V4L2_SUBDEV_MBUS_CODE_CSC_YCBCR_ENC |
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#define V4L2_SUBDEV_MBUS_CODE_CSC_QUANTIZATION 0x00000008 |
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/** |
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* struct v4l2_subdev_mbus_code_enum - Media bus format enumeration |
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* @pad: pad number, as reported by the media API |
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* @index: format index during enumeration |
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* @code: format code (MEDIA_BUS_FMT_ definitions) |
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* @which: format type (from enum v4l2_subdev_format_whence) |
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* @flags: flags set by the driver, (V4L2_SUBDEV_MBUS_CODE_*) |
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*/ |
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struct v4l2_subdev_mbus_code_enum { |
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__u32 pad; |
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__u32 index; |
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__u32 code; |
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__u32 which; |
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__u32 flags; |
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__u32 reserved[7]; |
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}; |
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/** |
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* struct v4l2_subdev_frame_size_enum - Media bus format enumeration |
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* @pad: pad number, as reported by the media API |
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* @index: format index during enumeration |
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* @code: format code (MEDIA_BUS_FMT_ definitions) |
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* @which: format type (from enum v4l2_subdev_format_whence) |
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*/ |
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struct v4l2_subdev_frame_size_enum { |
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__u32 index; |
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__u32 pad; |
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__u32 code; |
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__u32 min_width; |
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__u32 max_width; |
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__u32 min_height; |
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__u32 max_height; |
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__u32 which; |
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__u32 reserved[8]; |
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}; |
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/** |
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* struct v4l2_subdev_frame_interval - Pad-level frame rate |
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* @pad: pad number, as reported by the media API |
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* @interval: frame interval in seconds |
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*/ |
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struct v4l2_subdev_frame_interval { |
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__u32 pad; |
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struct v4l2_fract interval; |
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__u32 reserved[9]; |
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}; |
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/** |
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* struct v4l2_subdev_frame_interval_enum - Frame interval enumeration |
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* @pad: pad number, as reported by the media API |
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* @index: frame interval index during enumeration |
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* @code: format code (MEDIA_BUS_FMT_ definitions) |
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* @width: frame width in pixels |
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* @height: frame height in pixels |
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* @interval: frame interval in seconds |
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* @which: format type (from enum v4l2_subdev_format_whence) |
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*/ |
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struct v4l2_subdev_frame_interval_enum { |
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__u32 index; |
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__u32 pad; |
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__u32 code; |
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__u32 width; |
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__u32 height; |
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struct v4l2_fract interval; |
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__u32 which; |
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__u32 reserved[8]; |
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}; |
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/** |
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* struct v4l2_subdev_selection - selection info |
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* |
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* @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY |
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* @pad: pad number, as reported by the media API |
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* @target: Selection target, used to choose one of possible rectangles, |
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* defined in v4l2-common.h; V4L2_SEL_TGT_* . |
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* @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. |
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* @r: coordinates of the selection window |
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* @reserved: for future use, set to zero for now |
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* |
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* Hardware may use multiple helper windows to process a video stream. |
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* The structure is used to exchange this selection areas between |
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* an application and a driver. |
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*/ |
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struct v4l2_subdev_selection { |
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__u32 which; |
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__u32 pad; |
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__u32 target; |
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__u32 flags; |
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struct v4l2_rect r; |
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__u32 reserved[8]; |
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}; |
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/** |
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* struct v4l2_subdev_capability - subdev capabilities |
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* @version: the driver versioning number |
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* @capabilities: the subdev capabilities, see V4L2_SUBDEV_CAP_* |
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* @reserved: for future use, set to zero for now |
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*/ |
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struct v4l2_subdev_capability { |
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__u32 version; |
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__u32 capabilities; |
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__u32 reserved[14]; |
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}; |
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/* The v4l2 sub-device video device node is registered in read-only mode. */ |
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#define V4L2_SUBDEV_CAP_RO_SUBDEV 0x00000001 |
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/* Backwards compatibility define --- to be removed */ |
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#define v4l2_subdev_edid v4l2_edid |
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#define VIDIOC_SUBDEV_QUERYCAP _IOR('V', 0, struct v4l2_subdev_capability) |
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#define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format) |
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#define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format) |
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#define VIDIOC_SUBDEV_G_FRAME_INTERVAL _IOWR('V', 21, struct v4l2_subdev_frame_interval) |
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#define VIDIOC_SUBDEV_S_FRAME_INTERVAL _IOWR('V', 22, struct v4l2_subdev_frame_interval) |
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#define VIDIOC_SUBDEV_ENUM_MBUS_CODE _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum) |
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#define VIDIOC_SUBDEV_ENUM_FRAME_SIZE _IOWR('V', 74, struct v4l2_subdev_frame_size_enum) |
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#define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum) |
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#define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop) |
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#define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop) |
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#define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct v4l2_subdev_selection) |
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#define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection) |
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/* The following ioctls are identical to the ioctls in videodev2.h */ |
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#define VIDIOC_SUBDEV_G_STD _IOR('V', 23, v4l2_std_id) |
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#define VIDIOC_SUBDEV_S_STD _IOW('V', 24, v4l2_std_id) |
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#define VIDIOC_SUBDEV_ENUMSTD _IOWR('V', 25, struct v4l2_standard) |
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#define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid) |
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#define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid) |
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#define VIDIOC_SUBDEV_QUERYSTD _IOR('V', 63, v4l2_std_id) |
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#define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) |
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#define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) |
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#define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) |
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#define VIDIOC_SUBDEV_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) |
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#define VIDIOC_SUBDEV_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) |
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#endif
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