1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * V4L2 subdev userspace API 4 * 5 * Copyright (C) 2010 Nokia Corporation 6 * 7 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> 8 * Sakari Ailus <sakari.ailus@iki.fi> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24#ifndef __LINUX_V4L2_SUBDEV_H 25#define __LINUX_V4L2_SUBDEV_H 26 27#include <linux/ioctl.h> 28#include <linux/types.h> 29#include <linux/v4l2-common.h> 30#include <linux/v4l2-mediabus.h> 31 32/** 33 * enum v4l2_subdev_format_whence - Media bus format type 34 * @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only 35 * @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device 36 */ 37enum v4l2_subdev_format_whence { 38 V4L2_SUBDEV_FORMAT_TRY = 0, 39 V4L2_SUBDEV_FORMAT_ACTIVE = 1, 40}; 41 42/** 43 * struct v4l2_subdev_format - Pad-level media bus format 44 * @which: format type (from enum v4l2_subdev_format_whence) 45 * @pad: pad number, as reported by the media API 46 * @format: media bus format (format code and frame size) 47 */ 48struct v4l2_subdev_format { 49 __u32 which; 50 __u32 pad; 51 struct v4l2_mbus_framefmt format; 52 __u32 reserved[8]; 53}; 54 55/** 56 * struct v4l2_subdev_crop - Pad-level crop settings 57 * @which: format type (from enum v4l2_subdev_format_whence) 58 * @pad: pad number, as reported by the media API 59 * @rect: pad crop rectangle boundaries 60 */ 61struct v4l2_subdev_crop { 62 __u32 which; 63 __u32 pad; 64 struct v4l2_rect rect; 65 __u32 reserved[8]; 66}; 67 68/** 69 * struct v4l2_subdev_mbus_code_enum - Media bus format enumeration 70 * @pad: pad number, as reported by the media API 71 * @index: format index during enumeration 72 * @code: format code (MEDIA_BUS_FMT_ definitions) 73 * @which: format type (from enum v4l2_subdev_format_whence) 74 */ 75struct v4l2_subdev_mbus_code_enum { 76 __u32 pad; 77 __u32 index; 78 __u32 code; 79 __u32 which; 80 __u32 reserved[8]; 81}; 82 83/** 84 * struct v4l2_subdev_frame_size_enum - Media bus format enumeration 85 * @pad: pad number, as reported by the media API 86 * @index: format index during enumeration 87 * @code: format code (MEDIA_BUS_FMT_ definitions) 88 * @which: format type (from enum v4l2_subdev_format_whence) 89 */ 90struct v4l2_subdev_frame_size_enum { 91 __u32 index; 92 __u32 pad; 93 __u32 code; 94 __u32 min_width; 95 __u32 max_width; 96 __u32 min_height; 97 __u32 max_height; 98 __u32 which; 99 __u32 reserved[8]; 100}; 101 102/** 103 * struct v4l2_subdev_frame_interval - Pad-level frame rate 104 * @pad: pad number, as reported by the media API 105 * @interval: frame interval in seconds 106 */ 107struct v4l2_subdev_frame_interval { 108 __u32 pad; 109 struct v4l2_fract interval; 110 __u32 reserved[9]; 111}; 112 113/** 114 * struct v4l2_subdev_frame_interval_enum - Frame interval enumeration 115 * @pad: pad number, as reported by the media API 116 * @index: frame interval index during enumeration 117 * @code: format code (MEDIA_BUS_FMT_ definitions) 118 * @width: frame width in pixels 119 * @height: frame height in pixels 120 * @interval: frame interval in seconds 121 * @which: format type (from enum v4l2_subdev_format_whence) 122 */ 123struct v4l2_subdev_frame_interval_enum { 124 __u32 index; 125 __u32 pad; 126 __u32 code; 127 __u32 width; 128 __u32 height; 129 struct v4l2_fract interval; 130 __u32 which; 131 __u32 reserved[8]; 132}; 133 134/** 135 * struct v4l2_subdev_selection - selection info 136 * 137 * @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY 138 * @pad: pad number, as reported by the media API 139 * @target: Selection target, used to choose one of possible rectangles, 140 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 141 * @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 142 * @r: coordinates of the selection window 143 * @reserved: for future use, set to zero for now 144 * 145 * Hardware may use multiple helper windows to process a video stream. 146 * The structure is used to exchange this selection areas between 147 * an application and a driver. 148 */ 149struct v4l2_subdev_selection { 150 __u32 which; 151 __u32 pad; 152 __u32 target; 153 __u32 flags; 154 struct v4l2_rect r; 155 __u32 reserved[8]; 156}; 157 158/* Backwards compatibility define --- to be removed */ 159#define v4l2_subdev_edid v4l2_edid 160 161#define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format) 162#define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format) 163#define VIDIOC_SUBDEV_G_FRAME_INTERVAL _IOWR('V', 21, struct v4l2_subdev_frame_interval) 164#define VIDIOC_SUBDEV_S_FRAME_INTERVAL _IOWR('V', 22, struct v4l2_subdev_frame_interval) 165#define VIDIOC_SUBDEV_ENUM_MBUS_CODE _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum) 166#define VIDIOC_SUBDEV_ENUM_FRAME_SIZE _IOWR('V', 74, struct v4l2_subdev_frame_size_enum) 167#define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum) 168#define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop) 169#define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop) 170#define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct v4l2_subdev_selection) 171#define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection) 172/* The following ioctls are identical to the ioctls in videodev2.h */ 173#define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid) 174#define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid) 175#define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 176#define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 177#define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 178#define VIDIOC_SUBDEV_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 179#define VIDIOC_SUBDEV_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 180 181#endif 182