| 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 | */ |
| 37 | enum 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 | * @reserved: drivers and applications must zero this array |
| 48 | */ |
| 49 | struct v4l2_subdev_format { |
| 50 | __u32 which; |
| 51 | __u32 pad; |
| 52 | struct v4l2_mbus_framefmt format; |
| 53 | __u32 reserved[8]; |
| 54 | }; |
| 55 | |
| 56 | /** |
| 57 | * struct v4l2_subdev_crop - Pad-level crop settings |
| 58 | * @which: format type (from enum v4l2_subdev_format_whence) |
| 59 | * @pad: pad number, as reported by the media API |
| 60 | * @rect: pad crop rectangle boundaries |
| 61 | * @reserved: drivers and applications must zero this array |
| 62 | */ |
| 63 | struct v4l2_subdev_crop { |
| 64 | __u32 which; |
| 65 | __u32 pad; |
| 66 | struct v4l2_rect rect; |
| 67 | __u32 reserved[8]; |
| 68 | }; |
| 69 | |
| 70 | #define V4L2_SUBDEV_MBUS_CODE_CSC_COLORSPACE 0x00000001 |
| 71 | #define V4L2_SUBDEV_MBUS_CODE_CSC_XFER_FUNC 0x00000002 |
| 72 | #define V4L2_SUBDEV_MBUS_CODE_CSC_YCBCR_ENC 0x00000004 |
| 73 | #define V4L2_SUBDEV_MBUS_CODE_CSC_HSV_ENC V4L2_SUBDEV_MBUS_CODE_CSC_YCBCR_ENC |
| 74 | #define V4L2_SUBDEV_MBUS_CODE_CSC_QUANTIZATION 0x00000008 |
| 75 | |
| 76 | /** |
| 77 | * struct v4l2_subdev_mbus_code_enum - Media bus format enumeration |
| 78 | * @pad: pad number, as reported by the media API |
| 79 | * @index: format index during enumeration |
| 80 | * @code: format code (MEDIA_BUS_FMT_ definitions) |
| 81 | * @which: format type (from enum v4l2_subdev_format_whence) |
| 82 | * @flags: flags set by the driver, (V4L2_SUBDEV_MBUS_CODE_*) |
| 83 | * @reserved: drivers and applications must zero this array |
| 84 | */ |
| 85 | struct v4l2_subdev_mbus_code_enum { |
| 86 | __u32 pad; |
| 87 | __u32 index; |
| 88 | __u32 code; |
| 89 | __u32 which; |
| 90 | __u32 flags; |
| 91 | __u32 reserved[7]; |
| 92 | }; |
| 93 | |
| 94 | /** |
| 95 | * struct v4l2_subdev_frame_size_enum - Media bus format enumeration |
| 96 | * @index: format index during enumeration |
| 97 | * @pad: pad number, as reported by the media API |
| 98 | * @code: format code (MEDIA_BUS_FMT_ definitions) |
| 99 | * @min_width: minimum frame width, in pixels |
| 100 | * @max_width: maximum frame width, in pixels |
| 101 | * @min_height: minimum frame height, in pixels |
| 102 | * @max_height: maximum frame height, in pixels |
| 103 | * @which: format type (from enum v4l2_subdev_format_whence) |
| 104 | * @reserved: drivers and applications must zero this array |
| 105 | */ |
| 106 | struct v4l2_subdev_frame_size_enum { |
| 107 | __u32 index; |
| 108 | __u32 pad; |
| 109 | __u32 code; |
| 110 | __u32 min_width; |
| 111 | __u32 max_width; |
| 112 | __u32 min_height; |
| 113 | __u32 max_height; |
| 114 | __u32 which; |
| 115 | __u32 reserved[8]; |
| 116 | }; |
| 117 | |
| 118 | /** |
| 119 | * struct v4l2_subdev_frame_interval - Pad-level frame rate |
| 120 | * @pad: pad number, as reported by the media API |
| 121 | * @interval: frame interval in seconds |
| 122 | * @reserved: drivers and applications must zero this array |
| 123 | */ |
| 124 | struct v4l2_subdev_frame_interval { |
| 125 | __u32 pad; |
| 126 | struct v4l2_fract interval; |
| 127 | __u32 reserved[9]; |
| 128 | }; |
| 129 | |
| 130 | /** |
| 131 | * struct v4l2_subdev_frame_interval_enum - Frame interval enumeration |
| 132 | * @pad: pad number, as reported by the media API |
| 133 | * @index: frame interval index during enumeration |
| 134 | * @code: format code (MEDIA_BUS_FMT_ definitions) |
| 135 | * @width: frame width in pixels |
| 136 | * @height: frame height in pixels |
| 137 | * @interval: frame interval in seconds |
| 138 | * @which: format type (from enum v4l2_subdev_format_whence) |
| 139 | * @reserved: drivers and applications must zero this array |
| 140 | */ |
| 141 | struct v4l2_subdev_frame_interval_enum { |
| 142 | __u32 index; |
| 143 | __u32 pad; |
| 144 | __u32 code; |
| 145 | __u32 width; |
| 146 | __u32 height; |
| 147 | struct v4l2_fract interval; |
| 148 | __u32 which; |
| 149 | __u32 reserved[8]; |
| 150 | }; |
| 151 | |
| 152 | /** |
| 153 | * struct v4l2_subdev_selection - selection info |
| 154 | * |
| 155 | * @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY |
| 156 | * @pad: pad number, as reported by the media API |
| 157 | * @target: Selection target, used to choose one of possible rectangles, |
| 158 | * defined in v4l2-common.h; V4L2_SEL_TGT_* . |
| 159 | * @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. |
| 160 | * @r: coordinates of the selection window |
| 161 | * @reserved: for future use, set to zero for now |
| 162 | * |
| 163 | * Hardware may use multiple helper windows to process a video stream. |
| 164 | * The structure is used to exchange this selection areas between |
| 165 | * an application and a driver. |
| 166 | */ |
| 167 | struct v4l2_subdev_selection { |
| 168 | __u32 which; |
| 169 | __u32 pad; |
| 170 | __u32 target; |
| 171 | __u32 flags; |
| 172 | struct v4l2_rect r; |
| 173 | __u32 reserved[8]; |
| 174 | }; |
| 175 | |
| 176 | /** |
| 177 | * struct v4l2_subdev_capability - subdev capabilities |
| 178 | * @version: the driver versioning number |
| 179 | * @capabilities: the subdev capabilities, see V4L2_SUBDEV_CAP_* |
| 180 | * @reserved: for future use, set to zero for now |
| 181 | */ |
| 182 | struct v4l2_subdev_capability { |
| 183 | __u32 version; |
| 184 | __u32 capabilities; |
| 185 | __u32 reserved[14]; |
| 186 | }; |
| 187 | |
| 188 | /* The v4l2 sub-device video device node is registered in read-only mode. */ |
| 189 | #define V4L2_SUBDEV_CAP_RO_SUBDEV 0x00000001 |
| 190 | |
| 191 | /* Backwards compatibility define --- to be removed */ |
| 192 | #define v4l2_subdev_edid v4l2_edid |
| 193 | |
| 194 | #define VIDIOC_SUBDEV_QUERYCAP _IOR('V', 0, struct v4l2_subdev_capability) |
| 195 | #define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format) |
| 196 | #define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format) |
| 197 | #define VIDIOC_SUBDEV_G_FRAME_INTERVAL _IOWR('V', 21, struct v4l2_subdev_frame_interval) |
| 198 | #define VIDIOC_SUBDEV_S_FRAME_INTERVAL _IOWR('V', 22, struct v4l2_subdev_frame_interval) |
| 199 | #define VIDIOC_SUBDEV_ENUM_MBUS_CODE _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum) |
| 200 | #define VIDIOC_SUBDEV_ENUM_FRAME_SIZE _IOWR('V', 74, struct v4l2_subdev_frame_size_enum) |
| 201 | #define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum) |
| 202 | #define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop) |
| 203 | #define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop) |
| 204 | #define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct v4l2_subdev_selection) |
| 205 | #define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection) |
| 206 | /* The following ioctls are identical to the ioctls in videodev2.h */ |
| 207 | #define VIDIOC_SUBDEV_G_STD _IOR('V', 23, v4l2_std_id) |
| 208 | #define VIDIOC_SUBDEV_S_STD _IOW('V', 24, v4l2_std_id) |
| 209 | #define VIDIOC_SUBDEV_ENUMSTD _IOWR('V', 25, struct v4l2_standard) |
| 210 | #define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid) |
| 211 | #define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid) |
| 212 | #define VIDIOC_SUBDEV_QUERYSTD _IOR('V', 63, v4l2_std_id) |
| 213 | #define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) |
| 214 | #define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) |
| 215 | #define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) |
| 216 | #define VIDIOC_SUBDEV_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) |
| 217 | #define VIDIOC_SUBDEV_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) |
| 218 | |
| 219 | #endif |