1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill@thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil@xs4all.nl> 55 * et al. 56 */ 57 #ifndef _UAPI__LINUX_VIDEODEV2_H 58 #define _UAPI__LINUX_VIDEODEV2_H 59 60 #ifndef __KERNEL__ 61 #include <sys/time.h> 62 #endif 63 #include <linux/compiler.h> 64 #include <linux/ioctl.h> 65 #include <linux/types.h> 66 #include <linux/v4l2-common.h> 67 #include <linux/v4l2-controls.h> 68 69 /* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73 #define VIDEO_MAX_FRAME 32 74 #define VIDEO_MAX_PLANES 8 75 76 /* 77 * M I S C E L L A N E O U S 78 */ 79 80 /* Four-character-code (FOURCC) */ 81 #define v4l2_fourcc(a, b, c, d)\ 82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 84 85 /* 86 * E N U M S 87 */ 88 enum v4l2_field { 89 V4L2_FIELD_ANY = 0, /* driver can choose from none, 90 top, bottom, interlaced 91 depending on whatever it thinks 92 is approximate ... */ 93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 94 V4L2_FIELD_TOP = 2, /* top field only */ 95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 98 buffer, top-bottom order */ 99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 101 separate buffers */ 102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 103 first and the top field is 104 transmitted first */ 105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 106 first and the bottom field is 107 transmitted first */ 108 }; 109 #define V4L2_FIELD_HAS_TOP(field) \ 110 ((field) == V4L2_FIELD_TOP ||\ 111 (field) == V4L2_FIELD_INTERLACED ||\ 112 (field) == V4L2_FIELD_INTERLACED_TB ||\ 113 (field) == V4L2_FIELD_INTERLACED_BT ||\ 114 (field) == V4L2_FIELD_SEQ_TB ||\ 115 (field) == V4L2_FIELD_SEQ_BT) 116 #define V4L2_FIELD_HAS_BOTTOM(field) \ 117 ((field) == V4L2_FIELD_BOTTOM ||\ 118 (field) == V4L2_FIELD_INTERLACED ||\ 119 (field) == V4L2_FIELD_INTERLACED_TB ||\ 120 (field) == V4L2_FIELD_INTERLACED_BT ||\ 121 (field) == V4L2_FIELD_SEQ_TB ||\ 122 (field) == V4L2_FIELD_SEQ_BT) 123 #define V4L2_FIELD_HAS_BOTH(field) \ 124 ((field) == V4L2_FIELD_INTERLACED ||\ 125 (field) == V4L2_FIELD_INTERLACED_TB ||\ 126 (field) == V4L2_FIELD_INTERLACED_BT ||\ 127 (field) == V4L2_FIELD_SEQ_TB ||\ 128 (field) == V4L2_FIELD_SEQ_BT) 129 #define V4L2_FIELD_HAS_T_OR_B(field) \ 130 ((field) == V4L2_FIELD_BOTTOM ||\ 131 (field) == V4L2_FIELD_TOP ||\ 132 (field) == V4L2_FIELD_ALTERNATE) 133 134 enum v4l2_buf_type { 135 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 136 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 137 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 138 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 139 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 140 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 141 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 142 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 143 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 144 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 145 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 146 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 147 V4L2_BUF_TYPE_META_CAPTURE = 13, 148 V4L2_BUF_TYPE_META_OUTPUT = 14, 149 /* Deprecated, do not use */ 150 V4L2_BUF_TYPE_PRIVATE = 0x80, 151 }; 152 153 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 154 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 155 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 156 157 #define V4L2_TYPE_IS_OUTPUT(type) \ 158 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 159 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 161 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 162 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 163 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 164 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 165 166 enum v4l2_tuner_type { 167 V4L2_TUNER_RADIO = 1, 168 V4L2_TUNER_ANALOG_TV = 2, 169 V4L2_TUNER_DIGITAL_TV = 3, 170 V4L2_TUNER_SDR = 4, 171 V4L2_TUNER_RF = 5, 172 }; 173 174 /* Deprecated, do not use */ 175 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 176 177 enum v4l2_memory { 178 V4L2_MEMORY_MMAP = 1, 179 V4L2_MEMORY_USERPTR = 2, 180 V4L2_MEMORY_OVERLAY = 3, 181 V4L2_MEMORY_DMABUF = 4, 182 }; 183 184 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 185 enum v4l2_colorspace { 186 /* 187 * Default colorspace, i.e. let the driver figure it out. 188 * Can only be used with video capture. 189 */ 190 V4L2_COLORSPACE_DEFAULT = 0, 191 192 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 193 V4L2_COLORSPACE_SMPTE170M = 1, 194 195 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 196 V4L2_COLORSPACE_SMPTE240M = 2, 197 198 /* Rec.709: used for HDTV */ 199 V4L2_COLORSPACE_REC709 = 3, 200 201 /* 202 * Deprecated, do not use. No driver will ever return this. This was 203 * based on a misunderstanding of the bt878 datasheet. 204 */ 205 V4L2_COLORSPACE_BT878 = 4, 206 207 /* 208 * NTSC 1953 colorspace. This only makes sense when dealing with 209 * really, really old NTSC recordings. Superseded by SMPTE 170M. 210 */ 211 V4L2_COLORSPACE_470_SYSTEM_M = 5, 212 213 /* 214 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 215 * dealing with really old PAL/SECAM recordings. Superseded by 216 * SMPTE 170M. 217 */ 218 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 219 220 /* 221 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 222 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 223 */ 224 V4L2_COLORSPACE_JPEG = 7, 225 226 /* For RGB colorspaces such as produces by most webcams. */ 227 V4L2_COLORSPACE_SRGB = 8, 228 229 /* opRGB colorspace */ 230 V4L2_COLORSPACE_OPRGB = 9, 231 232 /* BT.2020 colorspace, used for UHDTV. */ 233 V4L2_COLORSPACE_BT2020 = 10, 234 235 /* Raw colorspace: for RAW unprocessed images */ 236 V4L2_COLORSPACE_RAW = 11, 237 238 /* DCI-P3 colorspace, used by cinema projectors */ 239 V4L2_COLORSPACE_DCI_P3 = 12, 240 }; 241 242 /* 243 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 244 * This depends on whether this is a SDTV image (use SMPTE 170M), an 245 * HDTV image (use Rec. 709), or something else (use sRGB). 246 */ 247 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 248 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 249 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 250 251 enum v4l2_xfer_func { 252 /* 253 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 254 * for the various colorspaces: 255 * 256 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 257 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 258 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 259 * 260 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 261 * 262 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 263 * 264 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 265 * 266 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 267 * 268 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 269 */ 270 V4L2_XFER_FUNC_DEFAULT = 0, 271 V4L2_XFER_FUNC_709 = 1, 272 V4L2_XFER_FUNC_SRGB = 2, 273 V4L2_XFER_FUNC_OPRGB = 3, 274 V4L2_XFER_FUNC_SMPTE240M = 4, 275 V4L2_XFER_FUNC_NONE = 5, 276 V4L2_XFER_FUNC_DCI_P3 = 6, 277 V4L2_XFER_FUNC_SMPTE2084 = 7, 278 }; 279 280 /* 281 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 282 * This depends on the colorspace. 283 */ 284 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 285 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 286 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 287 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 288 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 289 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 290 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 291 292 enum v4l2_ycbcr_encoding { 293 /* 294 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 295 * various colorspaces: 296 * 297 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 298 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 299 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 300 * 301 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 302 * 303 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 304 * 305 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 306 */ 307 V4L2_YCBCR_ENC_DEFAULT = 0, 308 309 /* ITU-R 601 -- SDTV */ 310 V4L2_YCBCR_ENC_601 = 1, 311 312 /* Rec. 709 -- HDTV */ 313 V4L2_YCBCR_ENC_709 = 2, 314 315 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 316 V4L2_YCBCR_ENC_XV601 = 3, 317 318 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 319 V4L2_YCBCR_ENC_XV709 = 4, 320 321 #ifndef __KERNEL__ 322 /* 323 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 324 * originally due to a misunderstanding of the sYCC standard. It should 325 * not be used, instead use V4L2_YCBCR_ENC_601. 326 */ 327 V4L2_YCBCR_ENC_SYCC = 5, 328 #endif 329 330 /* BT.2020 Non-constant Luminance Y'CbCr */ 331 V4L2_YCBCR_ENC_BT2020 = 6, 332 333 /* BT.2020 Constant Luminance Y'CbcCrc */ 334 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 335 336 /* SMPTE 240M -- Obsolete HDTV */ 337 V4L2_YCBCR_ENC_SMPTE240M = 8, 338 }; 339 340 /* 341 * enum v4l2_hsv_encoding values should not collide with the ones from 342 * enum v4l2_ycbcr_encoding. 343 */ 344 enum v4l2_hsv_encoding { 345 346 /* Hue mapped to 0 - 179 */ 347 V4L2_HSV_ENC_180 = 128, 348 349 /* Hue mapped to 0-255 */ 350 V4L2_HSV_ENC_256 = 129, 351 }; 352 353 /* 354 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 355 * This depends on the colorspace. 356 */ 357 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 358 (((colsp) == V4L2_COLORSPACE_REC709 || \ 359 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 360 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 361 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 362 V4L2_YCBCR_ENC_601))) 363 364 enum v4l2_quantization { 365 /* 366 * The default for R'G'B' quantization is always full range, except 367 * for the BT2020 colorspace. For Y'CbCr the quantization is always 368 * limited range, except for COLORSPACE_JPEG: this is full range. 369 */ 370 V4L2_QUANTIZATION_DEFAULT = 0, 371 V4L2_QUANTIZATION_FULL_RANGE = 1, 372 V4L2_QUANTIZATION_LIM_RANGE = 2, 373 }; 374 375 /* 376 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 377 * This depends on whether the image is RGB or not, the colorspace and the 378 * Y'CbCr encoding. 379 */ 380 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 381 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 382 V4L2_QUANTIZATION_LIM_RANGE : \ 383 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 384 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 385 386 /* 387 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 388 * 389 * WARNING: Please don't use these deprecated defines in your code, as 390 * there is a chance we have to remove them in the future. 391 */ 392 #ifndef __KERNEL__ 393 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 394 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 395 #endif 396 397 enum v4l2_priority { 398 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 399 V4L2_PRIORITY_BACKGROUND = 1, 400 V4L2_PRIORITY_INTERACTIVE = 2, 401 V4L2_PRIORITY_RECORD = 3, 402 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 403 }; 404 405 struct v4l2_rect { 406 __s32 left; 407 __s32 top; 408 __u32 width; 409 __u32 height; 410 }; 411 412 struct v4l2_fract { 413 __u32 numerator; 414 __u32 denominator; 415 }; 416 417 /** 418 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 419 * 420 * @driver: name of the driver module (e.g. "bttv") 421 * @card: name of the card (e.g. "Hauppauge WinTV") 422 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 423 * @version: KERNEL_VERSION 424 * @capabilities: capabilities of the physical device as a whole 425 * @device_caps: capabilities accessed via this particular device (node) 426 * @reserved: reserved fields for future extensions 427 */ 428 struct v4l2_capability { 429 __u8 driver[16]; 430 __u8 card[32]; 431 __u8 bus_info[32]; 432 __u32 version; 433 __u32 capabilities; 434 __u32 device_caps; 435 __u32 reserved[3]; 436 }; 437 438 /* Values for 'capabilities' field */ 439 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 440 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 441 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 442 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 443 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 444 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 445 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 446 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 447 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 448 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 449 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 450 451 /* Is a video capture device that supports multiplanar formats */ 452 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 453 /* Is a video output device that supports multiplanar formats */ 454 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 455 /* Is a video mem-to-mem device that supports multiplanar formats */ 456 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 457 /* Is a video mem-to-mem device */ 458 #define V4L2_CAP_VIDEO_M2M 0x00008000 459 460 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 461 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 462 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 463 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 464 465 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 466 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 467 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 468 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 469 470 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 471 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 472 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 473 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 474 475 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 476 477 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 478 479 /* 480 * V I D E O I M A G E F O R M A T 481 */ 482 struct v4l2_pix_format { 483 __u32 width; 484 __u32 height; 485 __u32 pixelformat; 486 __u32 field; /* enum v4l2_field */ 487 __u32 bytesperline; /* for padding, zero if unused */ 488 __u32 sizeimage; 489 __u32 colorspace; /* enum v4l2_colorspace */ 490 __u32 priv; /* private data, depends on pixelformat */ 491 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 492 union { 493 /* enum v4l2_ycbcr_encoding */ 494 __u32 ycbcr_enc; 495 /* enum v4l2_hsv_encoding */ 496 __u32 hsv_enc; 497 }; 498 __u32 quantization; /* enum v4l2_quantization */ 499 __u32 xfer_func; /* enum v4l2_xfer_func */ 500 }; 501 502 /* Pixel format FOURCC depth Description */ 503 504 /* RGB formats */ 505 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 506 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 507 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 508 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 509 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 510 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 511 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 512 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 513 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 514 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 515 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 516 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 517 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 518 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 519 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 520 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 521 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 522 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 523 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 524 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 525 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 526 527 /* Grey formats */ 528 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 529 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 530 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 531 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 532 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 533 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 534 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 535 536 /* Grey bit-packed formats */ 537 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 538 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 539 540 /* Palette formats */ 541 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 542 543 /* Chrominance formats */ 544 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 545 546 /* Luminance+Chrominance formats */ 547 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 548 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 549 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 550 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 551 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 552 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 553 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 554 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 555 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 556 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 557 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 558 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 559 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 560 561 /* two planes -- one Y, one Cr + Cb interleaved */ 562 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 563 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 564 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 565 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 566 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 567 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 568 569 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 570 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 571 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 572 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 573 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 574 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 575 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 576 577 /* three planes - Y Cb, Cr */ 578 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 579 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 580 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 581 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 582 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 583 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 584 585 /* three non contiguous planes - Y, Cb, Cr */ 586 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 587 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 588 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 589 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 590 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 591 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 592 593 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 594 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 595 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 596 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 597 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 598 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 599 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 600 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 601 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 602 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 603 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 604 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 605 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 606 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 607 /* 10bit raw bayer a-law compressed to 8 bits */ 608 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 609 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 610 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 611 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 612 /* 10bit raw bayer DPCM compressed to 8 bits */ 613 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 614 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 615 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 616 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 617 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 618 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 619 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 620 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 621 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 622 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 623 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 624 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 625 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 626 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 627 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 628 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 629 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 630 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 631 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 632 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 633 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 634 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 635 636 /* HSV formats */ 637 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 638 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 639 640 /* compressed formats */ 641 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 642 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 643 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 644 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 645 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 646 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 647 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 648 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 649 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 650 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 651 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 652 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 653 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 654 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 655 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 656 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 657 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 658 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 659 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 660 661 /* Vendor-specific formats */ 662 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 663 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 664 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 665 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 666 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 667 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 668 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 669 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 670 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 671 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 672 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 673 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 674 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 675 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 676 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 677 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 678 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 679 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 680 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 681 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 682 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 683 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 684 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 685 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 686 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 687 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 688 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 689 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 690 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 691 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 692 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 693 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 694 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 695 696 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 697 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 698 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 699 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 700 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 701 702 /* SDR formats - used only for Software Defined Radio devices */ 703 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 704 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 705 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 706 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 707 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 708 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 709 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 710 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 711 712 /* Touch formats - used for Touch devices */ 713 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 714 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 715 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 716 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 717 718 /* Meta-data formats */ 719 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 720 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 721 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 722 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 723 724 /* priv field value to indicates that subsequent fields are valid. */ 725 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 726 727 /* Flags */ 728 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 729 730 /* 731 * F O R M A T E N U M E R A T I O N 732 */ 733 struct v4l2_fmtdesc { 734 __u32 index; /* Format number */ 735 __u32 type; /* enum v4l2_buf_type */ 736 __u32 flags; 737 __u8 description[32]; /* Description string */ 738 __u32 pixelformat; /* Format fourcc */ 739 __u32 reserved[4]; 740 }; 741 742 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 743 #define V4L2_FMT_FLAG_EMULATED 0x0002 744 745 /* Frame Size and frame rate enumeration */ 746 /* 747 * F R A M E S I Z E E N U M E R A T I O N 748 */ 749 enum v4l2_frmsizetypes { 750 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 751 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 752 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 753 }; 754 755 struct v4l2_frmsize_discrete { 756 __u32 width; /* Frame width [pixel] */ 757 __u32 height; /* Frame height [pixel] */ 758 }; 759 760 struct v4l2_frmsize_stepwise { 761 __u32 min_width; /* Minimum frame width [pixel] */ 762 __u32 max_width; /* Maximum frame width [pixel] */ 763 __u32 step_width; /* Frame width step size [pixel] */ 764 __u32 min_height; /* Minimum frame height [pixel] */ 765 __u32 max_height; /* Maximum frame height [pixel] */ 766 __u32 step_height; /* Frame height step size [pixel] */ 767 }; 768 769 struct v4l2_frmsizeenum { 770 __u32 index; /* Frame size number */ 771 __u32 pixel_format; /* Pixel format */ 772 __u32 type; /* Frame size type the device supports. */ 773 774 union { /* Frame size */ 775 struct v4l2_frmsize_discrete discrete; 776 struct v4l2_frmsize_stepwise stepwise; 777 }; 778 779 __u32 reserved[2]; /* Reserved space for future use */ 780 }; 781 782 /* 783 * F R A M E R A T E E N U M E R A T I O N 784 */ 785 enum v4l2_frmivaltypes { 786 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 787 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 788 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 789 }; 790 791 struct v4l2_frmival_stepwise { 792 struct v4l2_fract min; /* Minimum frame interval [s] */ 793 struct v4l2_fract max; /* Maximum frame interval [s] */ 794 struct v4l2_fract step; /* Frame interval step size [s] */ 795 }; 796 797 struct v4l2_frmivalenum { 798 __u32 index; /* Frame format index */ 799 __u32 pixel_format; /* Pixel format */ 800 __u32 width; /* Frame width */ 801 __u32 height; /* Frame height */ 802 __u32 type; /* Frame interval type the device supports. */ 803 804 union { /* Frame interval */ 805 struct v4l2_fract discrete; 806 struct v4l2_frmival_stepwise stepwise; 807 }; 808 809 __u32 reserved[2]; /* Reserved space for future use */ 810 }; 811 812 /* 813 * T I M E C O D E 814 */ 815 struct v4l2_timecode { 816 __u32 type; 817 __u32 flags; 818 __u8 frames; 819 __u8 seconds; 820 __u8 minutes; 821 __u8 hours; 822 __u8 userbits[4]; 823 }; 824 825 /* Type */ 826 #define V4L2_TC_TYPE_24FPS 1 827 #define V4L2_TC_TYPE_25FPS 2 828 #define V4L2_TC_TYPE_30FPS 3 829 #define V4L2_TC_TYPE_50FPS 4 830 #define V4L2_TC_TYPE_60FPS 5 831 832 /* Flags */ 833 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 834 #define V4L2_TC_FLAG_COLORFRAME 0x0002 835 #define V4L2_TC_USERBITS_field 0x000C 836 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 837 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 838 /* The above is based on SMPTE timecodes */ 839 840 struct v4l2_jpegcompression { 841 int quality; 842 843 int APPn; /* Number of APP segment to be written, 844 * must be 0..15 */ 845 int APP_len; /* Length of data in JPEG APPn segment */ 846 char APP_data[60]; /* Data in the JPEG APPn segment. */ 847 848 int COM_len; /* Length of data in JPEG COM segment */ 849 char COM_data[60]; /* Data in JPEG COM segment */ 850 851 __u32 jpeg_markers; /* Which markers should go into the JPEG 852 * output. Unless you exactly know what 853 * you do, leave them untouched. 854 * Including less markers will make the 855 * resulting code smaller, but there will 856 * be fewer applications which can read it. 857 * The presence of the APP and COM marker 858 * is influenced by APP_len and COM_len 859 * ONLY, not by this property! */ 860 861 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 862 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 863 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 864 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 865 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 866 * always use APP0 */ 867 }; 868 869 /* 870 * M E M O R Y - M A P P I N G B U F F E R S 871 */ 872 struct v4l2_requestbuffers { 873 __u32 count; 874 __u32 type; /* enum v4l2_buf_type */ 875 __u32 memory; /* enum v4l2_memory */ 876 __u32 capabilities; 877 __u32 reserved[1]; 878 }; 879 880 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 881 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 882 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 883 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 884 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 885 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 886 887 /** 888 * struct v4l2_plane - plane info for multi-planar buffers 889 * @bytesused: number of bytes occupied by data in the plane (payload) 890 * @length: size of this plane (NOT the payload) in bytes 891 * @mem_offset: when memory in the associated struct v4l2_buffer is 892 * V4L2_MEMORY_MMAP, equals the offset from the start of 893 * the device memory for this plane (or is a "cookie" that 894 * should be passed to mmap() called on the video node) 895 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 896 * pointing to this plane 897 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 898 * descriptor associated with this plane 899 * @data_offset: offset in the plane to the start of data; usually 0, 900 * unless there is a header in front of the data 901 * 902 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 903 * with two planes can have one plane for Y, and another for interleaved CbCr 904 * components. Each plane can reside in a separate memory buffer, or even in 905 * a completely separate memory node (e.g. in embedded devices). 906 */ 907 struct v4l2_plane { 908 __u32 bytesused; 909 __u32 length; 910 union { 911 __u32 mem_offset; 912 unsigned long userptr; 913 __s32 fd; 914 } m; 915 __u32 data_offset; 916 __u32 reserved[11]; 917 }; 918 919 /** 920 * struct v4l2_buffer - video buffer info 921 * @index: id number of the buffer 922 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 923 * multiplanar buffers); 924 * @bytesused: number of bytes occupied by data in the buffer (payload); 925 * unused (set to 0) for multiplanar buffers 926 * @flags: buffer informational flags 927 * @field: enum v4l2_field; field order of the image in the buffer 928 * @timestamp: frame timestamp 929 * @timecode: frame timecode 930 * @sequence: sequence count of this frame 931 * @memory: enum v4l2_memory; the method, in which the actual video data is 932 * passed 933 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 934 * offset from the start of the device memory for this plane, 935 * (or a "cookie" that should be passed to mmap() as offset) 936 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 937 * a userspace pointer pointing to this buffer 938 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 939 * a userspace file descriptor associated with this buffer 940 * @planes: for multiplanar buffers; userspace pointer to the array of plane 941 * info structs for this buffer 942 * @length: size in bytes of the buffer (NOT its payload) for single-plane 943 * buffers (when type != *_MPLANE); number of elements in the 944 * planes array for multi-plane buffers 945 * @request_fd: fd of the request that this buffer should use 946 * 947 * Contains data exchanged by application and driver using one of the Streaming 948 * I/O methods. 949 */ 950 struct v4l2_buffer { 951 __u32 index; 952 __u32 type; 953 __u32 bytesused; 954 __u32 flags; 955 __u32 field; 956 struct timeval timestamp; 957 struct v4l2_timecode timecode; 958 __u32 sequence; 959 960 /* memory location */ 961 __u32 memory; 962 union { 963 __u32 offset; 964 unsigned long userptr; 965 struct v4l2_plane *planes; 966 __s32 fd; 967 } m; 968 __u32 length; 969 __u32 reserved2; 970 union { 971 __s32 request_fd; 972 __u32 reserved; 973 }; 974 }; 975 976 /* Flags for 'flags' field */ 977 /* Buffer is mapped (flag) */ 978 #define V4L2_BUF_FLAG_MAPPED 0x00000001 979 /* Buffer is queued for processing */ 980 #define V4L2_BUF_FLAG_QUEUED 0x00000002 981 /* Buffer is ready */ 982 #define V4L2_BUF_FLAG_DONE 0x00000004 983 /* Image is a keyframe (I-frame) */ 984 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 985 /* Image is a P-frame */ 986 #define V4L2_BUF_FLAG_PFRAME 0x00000010 987 /* Image is a B-frame */ 988 #define V4L2_BUF_FLAG_BFRAME 0x00000020 989 /* Buffer is ready, but the data contained within is corrupted. */ 990 #define V4L2_BUF_FLAG_ERROR 0x00000040 991 /* Buffer is added to an unqueued request */ 992 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 993 /* timecode field is valid */ 994 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 995 /* Buffer is prepared for queuing */ 996 #define V4L2_BUF_FLAG_PREPARED 0x00000400 997 /* Cache handling flags */ 998 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 999 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1000 /* Timestamp type */ 1001 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1002 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1003 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1004 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1005 /* Timestamp sources. */ 1006 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1007 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1008 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1009 /* mem2mem encoder/decoder */ 1010 #define V4L2_BUF_FLAG_LAST 0x00100000 1011 /* request_fd is valid */ 1012 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1013 1014 /** 1015 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1016 * 1017 * @index: id number of the buffer 1018 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1019 * multiplanar buffers); 1020 * @plane: index of the plane to be exported, 0 for single plane queues 1021 * @flags: flags for newly created file, currently only O_CLOEXEC is 1022 * supported, refer to manual of open syscall for more details 1023 * @fd: file descriptor associated with DMABUF (set by driver) 1024 * 1025 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1026 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1027 * (identical to the cookie used to mmap() the buffer to userspace). All 1028 * reserved fields must be set to zero. The field reserved0 is expected to 1029 * become a structure 'type' allowing an alternative layout of the structure 1030 * content. Therefore this field should not be used for any other extensions. 1031 */ 1032 struct v4l2_exportbuffer { 1033 __u32 type; /* enum v4l2_buf_type */ 1034 __u32 index; 1035 __u32 plane; 1036 __u32 flags; 1037 __s32 fd; 1038 __u32 reserved[11]; 1039 }; 1040 1041 /* 1042 * O V E R L A Y P R E V I E W 1043 */ 1044 struct v4l2_framebuffer { 1045 __u32 capability; 1046 __u32 flags; 1047 /* FIXME: in theory we should pass something like PCI device + memory 1048 * region + offset instead of some physical address */ 1049 void *base; 1050 struct { 1051 __u32 width; 1052 __u32 height; 1053 __u32 pixelformat; 1054 __u32 field; /* enum v4l2_field */ 1055 __u32 bytesperline; /* for padding, zero if unused */ 1056 __u32 sizeimage; 1057 __u32 colorspace; /* enum v4l2_colorspace */ 1058 __u32 priv; /* reserved field, set to 0 */ 1059 } fmt; 1060 }; 1061 /* Flags for the 'capability' field. Read only */ 1062 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1063 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1064 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1065 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1066 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1067 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1068 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1069 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1070 /* Flags for the 'flags' field. */ 1071 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1072 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1073 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1074 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1075 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1076 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1077 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1078 1079 struct v4l2_clip { 1080 struct v4l2_rect c; 1081 struct v4l2_clip __user *next; 1082 }; 1083 1084 struct v4l2_window { 1085 struct v4l2_rect w; 1086 __u32 field; /* enum v4l2_field */ 1087 __u32 chromakey; 1088 struct v4l2_clip __user *clips; 1089 __u32 clipcount; 1090 void __user *bitmap; 1091 __u8 global_alpha; 1092 }; 1093 1094 /* 1095 * C A P T U R E P A R A M E T E R S 1096 */ 1097 struct v4l2_captureparm { 1098 __u32 capability; /* Supported modes */ 1099 __u32 capturemode; /* Current mode */ 1100 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1101 __u32 extendedmode; /* Driver-specific extensions */ 1102 __u32 readbuffers; /* # of buffers for read */ 1103 __u32 reserved[4]; 1104 }; 1105 1106 /* Flags for 'capability' and 'capturemode' fields */ 1107 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1108 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1109 1110 struct v4l2_outputparm { 1111 __u32 capability; /* Supported modes */ 1112 __u32 outputmode; /* Current mode */ 1113 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1114 __u32 extendedmode; /* Driver-specific extensions */ 1115 __u32 writebuffers; /* # of buffers for write */ 1116 __u32 reserved[4]; 1117 }; 1118 1119 /* 1120 * I N P U T I M A G E C R O P P I N G 1121 */ 1122 struct v4l2_cropcap { 1123 __u32 type; /* enum v4l2_buf_type */ 1124 struct v4l2_rect bounds; 1125 struct v4l2_rect defrect; 1126 struct v4l2_fract pixelaspect; 1127 }; 1128 1129 struct v4l2_crop { 1130 __u32 type; /* enum v4l2_buf_type */ 1131 struct v4l2_rect c; 1132 }; 1133 1134 /** 1135 * struct v4l2_selection - selection info 1136 * @type: buffer type (do not use *_MPLANE types) 1137 * @target: Selection target, used to choose one of possible rectangles; 1138 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1139 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1140 * @r: coordinates of selection window 1141 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1142 * 1143 * Hardware may use multiple helper windows to process a video stream. 1144 * The structure is used to exchange this selection areas between 1145 * an application and a driver. 1146 */ 1147 struct v4l2_selection { 1148 __u32 type; 1149 __u32 target; 1150 __u32 flags; 1151 struct v4l2_rect r; 1152 __u32 reserved[9]; 1153 }; 1154 1155 1156 /* 1157 * A N A L O G V I D E O S T A N D A R D 1158 */ 1159 1160 typedef __u64 v4l2_std_id; 1161 1162 /* one bit for each */ 1163 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1164 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1165 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1166 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1167 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1168 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1169 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1170 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1171 1172 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1173 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1174 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1175 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1176 1177 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1178 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1179 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1180 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1181 1182 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1183 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1184 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1185 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1186 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1187 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1188 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1189 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1190 1191 /* ATSC/HDTV */ 1192 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1193 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1194 1195 /* FIXME: 1196 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1197 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1198 this value to 32 bits. 1199 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1200 it should work fine. However, if needed to add more than two standards, 1201 v4l2-common.c should be fixed. 1202 */ 1203 1204 /* 1205 * Some macros to merge video standards in order to make live easier for the 1206 * drivers and V4L2 applications 1207 */ 1208 1209 /* 1210 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1211 * Missing here. 1212 */ 1213 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1214 V4L2_STD_NTSC_M_JP |\ 1215 V4L2_STD_NTSC_M_KR) 1216 /* Secam macros */ 1217 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1218 V4L2_STD_SECAM_K |\ 1219 V4L2_STD_SECAM_K1) 1220 /* All Secam Standards */ 1221 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1222 V4L2_STD_SECAM_G |\ 1223 V4L2_STD_SECAM_H |\ 1224 V4L2_STD_SECAM_DK |\ 1225 V4L2_STD_SECAM_L |\ 1226 V4L2_STD_SECAM_LC) 1227 /* PAL macros */ 1228 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1229 V4L2_STD_PAL_B1 |\ 1230 V4L2_STD_PAL_G) 1231 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1232 V4L2_STD_PAL_D1 |\ 1233 V4L2_STD_PAL_K) 1234 /* 1235 * "Common" PAL - This macro is there to be compatible with the old 1236 * V4L1 concept of "PAL": /BGDKHI. 1237 * Several PAL standards are missing here: /M, /N and /Nc 1238 */ 1239 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1240 V4L2_STD_PAL_DK |\ 1241 V4L2_STD_PAL_H |\ 1242 V4L2_STD_PAL_I) 1243 /* Chroma "agnostic" standards */ 1244 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1245 V4L2_STD_PAL_B1 |\ 1246 V4L2_STD_SECAM_B) 1247 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1248 V4L2_STD_SECAM_G) 1249 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1250 V4L2_STD_SECAM_H) 1251 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1252 V4L2_STD_SECAM_LC) 1253 #define V4L2_STD_GH (V4L2_STD_G |\ 1254 V4L2_STD_H) 1255 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1256 V4L2_STD_SECAM_DK) 1257 #define V4L2_STD_BG (V4L2_STD_B |\ 1258 V4L2_STD_G) 1259 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1260 V4L2_STD_PAL_N |\ 1261 V4L2_STD_PAL_Nc |\ 1262 V4L2_STD_NTSC) 1263 1264 /* Standards where MTS/BTSC stereo could be found */ 1265 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1266 V4L2_STD_PAL_M |\ 1267 V4L2_STD_PAL_N |\ 1268 V4L2_STD_PAL_Nc) 1269 1270 /* Standards for Countries with 60Hz Line frequency */ 1271 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1272 V4L2_STD_PAL_60 |\ 1273 V4L2_STD_NTSC |\ 1274 V4L2_STD_NTSC_443) 1275 /* Standards for Countries with 50Hz Line frequency */ 1276 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1277 V4L2_STD_PAL_N |\ 1278 V4L2_STD_PAL_Nc |\ 1279 V4L2_STD_SECAM) 1280 1281 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1282 V4L2_STD_ATSC_16_VSB) 1283 /* Macros with none and all analog standards */ 1284 #define V4L2_STD_UNKNOWN 0 1285 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1286 V4L2_STD_625_50) 1287 1288 struct v4l2_standard { 1289 __u32 index; 1290 v4l2_std_id id; 1291 __u8 name[24]; 1292 struct v4l2_fract frameperiod; /* Frames, not fields */ 1293 __u32 framelines; 1294 __u32 reserved[4]; 1295 }; 1296 1297 /* 1298 * D V B T T I M I N G S 1299 */ 1300 1301 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1302 * @width: total width of the active video in pixels 1303 * @height: total height of the active video in lines 1304 * @interlaced: Interlaced or progressive 1305 * @polarities: Positive or negative polarities 1306 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1307 * @hfrontporch:Horizontal front porch in pixels 1308 * @hsync: Horizontal Sync length in pixels 1309 * @hbackporch: Horizontal back porch in pixels 1310 * @vfrontporch:Vertical front porch in lines 1311 * @vsync: Vertical Sync length in lines 1312 * @vbackporch: Vertical back porch in lines 1313 * @il_vfrontporch:Vertical front porch for the even field 1314 * (aka field 2) of interlaced field formats 1315 * @il_vsync: Vertical Sync length for the even field 1316 * (aka field 2) of interlaced field formats 1317 * @il_vbackporch:Vertical back porch for the even field 1318 * (aka field 2) of interlaced field formats 1319 * @standards: Standards the timing belongs to 1320 * @flags: Flags 1321 * @picture_aspect: The picture aspect ratio (hor/vert). 1322 * @cea861_vic: VIC code as per the CEA-861 standard. 1323 * @hdmi_vic: VIC code as per the HDMI standard. 1324 * @reserved: Reserved fields, must be zeroed. 1325 * 1326 * A note regarding vertical interlaced timings: height refers to the total 1327 * height of the active video frame (= two fields). The blanking timings refer 1328 * to the blanking of each field. So the height of the total frame is 1329 * calculated as follows: 1330 * 1331 * tot_height = height + vfrontporch + vsync + vbackporch + 1332 * il_vfrontporch + il_vsync + il_vbackporch 1333 * 1334 * The active height of each field is height / 2. 1335 */ 1336 struct v4l2_bt_timings { 1337 __u32 width; 1338 __u32 height; 1339 __u32 interlaced; 1340 __u32 polarities; 1341 __u64 pixelclock; 1342 __u32 hfrontporch; 1343 __u32 hsync; 1344 __u32 hbackporch; 1345 __u32 vfrontporch; 1346 __u32 vsync; 1347 __u32 vbackporch; 1348 __u32 il_vfrontporch; 1349 __u32 il_vsync; 1350 __u32 il_vbackporch; 1351 __u32 standards; 1352 __u32 flags; 1353 struct v4l2_fract picture_aspect; 1354 __u8 cea861_vic; 1355 __u8 hdmi_vic; 1356 __u8 reserved[46]; 1357 } __attribute__ ((packed)); 1358 1359 /* Interlaced or progressive format */ 1360 #define V4L2_DV_PROGRESSIVE 0 1361 #define V4L2_DV_INTERLACED 1 1362 1363 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1364 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1365 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1366 1367 /* Timings standards */ 1368 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1369 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1370 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1371 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1372 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1373 1374 /* Flags */ 1375 1376 /* 1377 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1378 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1379 * intervals are reduced, allowing a higher resolution over the same 1380 * bandwidth. This is a read-only flag. 1381 */ 1382 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1383 /* 1384 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1385 * of six. These formats can be optionally played at 1 / 1.001 speed. 1386 * This is a read-only flag. 1387 */ 1388 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1389 /* 1390 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1391 * by receivers. 1392 * If the framerate of the format is a multiple of six, then the pixelclock 1393 * used to set up the transmitter is divided by 1.001 to make it compatible 1394 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1395 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1396 * such frequencies, then the flag will also be cleared. 1397 */ 1398 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1399 /* 1400 * Specific to interlaced formats: if set, then field 1 is really one half-line 1401 * longer and field 2 is really one half-line shorter, so each field has 1402 * exactly the same number of half-lines. Whether half-lines can be detected 1403 * or used depends on the hardware. 1404 */ 1405 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1406 /* 1407 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1408 * differ from other formats (commonly called IT formats) in that if RGB 1409 * encoding is used then by default the RGB values use limited range (i.e. 1410 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1411 * except for the 640x480 format are CE formats. 1412 */ 1413 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1414 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1415 * total height. For these formats, if this flag is set, the first 1416 * field has the extra line. If not, it is the second field. 1417 */ 1418 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1419 /* 1420 * If set, then the picture_aspect field is valid. Otherwise assume that the 1421 * pixels are square, so the picture aspect ratio is the same as the width to 1422 * height ratio. 1423 */ 1424 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1425 /* 1426 * If set, then the cea861_vic field is valid and contains the Video 1427 * Identification Code as per the CEA-861 standard. 1428 */ 1429 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1430 /* 1431 * If set, then the hdmi_vic field is valid and contains the Video 1432 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1433 * InfoFrame). 1434 */ 1435 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1436 /* 1437 * CEA-861 specific: only valid for video receivers. 1438 * If set, then HW can detect the difference between regular FPS and 1439 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1440 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1441 */ 1442 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1443 1444 /* A few useful defines to calculate the total blanking and frame sizes */ 1445 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1446 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1447 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1448 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1449 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1450 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1451 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1452 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1453 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1454 1455 /** struct v4l2_dv_timings - DV timings 1456 * @type: the type of the timings 1457 * @bt: BT656/1120 timings 1458 */ 1459 struct v4l2_dv_timings { 1460 __u32 type; 1461 union { 1462 struct v4l2_bt_timings bt; 1463 __u32 reserved[32]; 1464 }; 1465 } __attribute__ ((packed)); 1466 1467 /* Values for the type field */ 1468 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1469 1470 1471 /** struct v4l2_enum_dv_timings - DV timings enumeration 1472 * @index: enumeration index 1473 * @pad: the pad number for which to enumerate timings (used with 1474 * v4l-subdev nodes only) 1475 * @reserved: must be zeroed 1476 * @timings: the timings for the given index 1477 */ 1478 struct v4l2_enum_dv_timings { 1479 __u32 index; 1480 __u32 pad; 1481 __u32 reserved[2]; 1482 struct v4l2_dv_timings timings; 1483 }; 1484 1485 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1486 * @min_width: width in pixels 1487 * @max_width: width in pixels 1488 * @min_height: height in lines 1489 * @max_height: height in lines 1490 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1491 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1492 * @standards: Supported standards 1493 * @capabilities: Supported capabilities 1494 * @reserved: Must be zeroed 1495 */ 1496 struct v4l2_bt_timings_cap { 1497 __u32 min_width; 1498 __u32 max_width; 1499 __u32 min_height; 1500 __u32 max_height; 1501 __u64 min_pixelclock; 1502 __u64 max_pixelclock; 1503 __u32 standards; 1504 __u32 capabilities; 1505 __u32 reserved[16]; 1506 } __attribute__ ((packed)); 1507 1508 /* Supports interlaced formats */ 1509 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1510 /* Supports progressive formats */ 1511 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1512 /* Supports CVT/GTF reduced blanking */ 1513 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1514 /* Supports custom formats */ 1515 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1516 1517 /** struct v4l2_dv_timings_cap - DV timings capabilities 1518 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1519 * @pad: the pad number for which to query capabilities (used with 1520 * v4l-subdev nodes only) 1521 * @bt: the BT656/1120 timings capabilities 1522 */ 1523 struct v4l2_dv_timings_cap { 1524 __u32 type; 1525 __u32 pad; 1526 __u32 reserved[2]; 1527 union { 1528 struct v4l2_bt_timings_cap bt; 1529 __u32 raw_data[32]; 1530 }; 1531 }; 1532 1533 1534 /* 1535 * V I D E O I N P U T S 1536 */ 1537 struct v4l2_input { 1538 __u32 index; /* Which input */ 1539 __u8 name[32]; /* Label */ 1540 __u32 type; /* Type of input */ 1541 __u32 audioset; /* Associated audios (bitfield) */ 1542 __u32 tuner; /* enum v4l2_tuner_type */ 1543 v4l2_std_id std; 1544 __u32 status; 1545 __u32 capabilities; 1546 __u32 reserved[3]; 1547 }; 1548 1549 /* Values for the 'type' field */ 1550 #define V4L2_INPUT_TYPE_TUNER 1 1551 #define V4L2_INPUT_TYPE_CAMERA 2 1552 #define V4L2_INPUT_TYPE_TOUCH 3 1553 1554 /* field 'status' - general */ 1555 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1556 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1557 #define V4L2_IN_ST_NO_COLOR 0x00000004 1558 1559 /* field 'status' - sensor orientation */ 1560 /* If sensor is mounted upside down set both bits */ 1561 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1562 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1563 1564 /* field 'status' - analog */ 1565 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1566 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1567 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1568 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1569 1570 /* field 'status' - digital */ 1571 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1572 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1573 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1574 1575 /* field 'status' - VCR and set-top box */ 1576 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1577 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1578 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1579 1580 /* capabilities flags */ 1581 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1582 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1583 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1584 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1585 1586 /* 1587 * V I D E O O U T P U T S 1588 */ 1589 struct v4l2_output { 1590 __u32 index; /* Which output */ 1591 __u8 name[32]; /* Label */ 1592 __u32 type; /* Type of output */ 1593 __u32 audioset; /* Associated audios (bitfield) */ 1594 __u32 modulator; /* Associated modulator */ 1595 v4l2_std_id std; 1596 __u32 capabilities; 1597 __u32 reserved[3]; 1598 }; 1599 /* Values for the 'type' field */ 1600 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1601 #define V4L2_OUTPUT_TYPE_ANALOG 2 1602 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1603 1604 /* capabilities flags */ 1605 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1606 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1607 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1608 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1609 1610 /* 1611 * C O N T R O L S 1612 */ 1613 struct v4l2_control { 1614 __u32 id; 1615 __s32 value; 1616 }; 1617 1618 struct v4l2_ext_control { 1619 __u32 id; 1620 __u32 size; 1621 __u32 reserved2[1]; 1622 union { 1623 __s32 value; 1624 __s64 value64; 1625 char __user *string; 1626 __u8 __user *p_u8; 1627 __u16 __user *p_u16; 1628 __u32 __user *p_u32; 1629 void __user *ptr; 1630 }; 1631 } __attribute__ ((packed)); 1632 1633 struct v4l2_ext_controls { 1634 union { 1635 #ifndef __KERNEL__ 1636 __u32 ctrl_class; 1637 #endif 1638 __u32 which; 1639 }; 1640 __u32 count; 1641 __u32 error_idx; 1642 __s32 request_fd; 1643 __u32 reserved[1]; 1644 struct v4l2_ext_control *controls; 1645 }; 1646 1647 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1648 #ifndef __KERNEL__ 1649 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1650 #endif 1651 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1652 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1653 #define V4L2_CTRL_MAX_DIMS (4) 1654 #define V4L2_CTRL_WHICH_CUR_VAL 0 1655 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1656 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1657 1658 enum v4l2_ctrl_type { 1659 V4L2_CTRL_TYPE_INTEGER = 1, 1660 V4L2_CTRL_TYPE_BOOLEAN = 2, 1661 V4L2_CTRL_TYPE_MENU = 3, 1662 V4L2_CTRL_TYPE_BUTTON = 4, 1663 V4L2_CTRL_TYPE_INTEGER64 = 5, 1664 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1665 V4L2_CTRL_TYPE_STRING = 7, 1666 V4L2_CTRL_TYPE_BITMASK = 8, 1667 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1668 1669 /* Compound types are >= 0x0100 */ 1670 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1671 V4L2_CTRL_TYPE_U8 = 0x0100, 1672 V4L2_CTRL_TYPE_U16 = 0x0101, 1673 V4L2_CTRL_TYPE_U32 = 0x0102, 1674 }; 1675 1676 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1677 struct v4l2_queryctrl { 1678 __u32 id; 1679 __u32 type; /* enum v4l2_ctrl_type */ 1680 __u8 name[32]; /* Whatever */ 1681 __s32 minimum; /* Note signedness */ 1682 __s32 maximum; 1683 __s32 step; 1684 __s32 default_value; 1685 __u32 flags; 1686 __u32 reserved[2]; 1687 }; 1688 1689 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1690 struct v4l2_query_ext_ctrl { 1691 __u32 id; 1692 __u32 type; 1693 char name[32]; 1694 __s64 minimum; 1695 __s64 maximum; 1696 __u64 step; 1697 __s64 default_value; 1698 __u32 flags; 1699 __u32 elem_size; 1700 __u32 elems; 1701 __u32 nr_of_dims; 1702 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1703 __u32 reserved[32]; 1704 }; 1705 1706 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1707 struct v4l2_querymenu { 1708 __u32 id; 1709 __u32 index; 1710 union { 1711 __u8 name[32]; /* Whatever */ 1712 __s64 value; 1713 }; 1714 __u32 reserved; 1715 } __attribute__ ((packed)); 1716 1717 /* Control flags */ 1718 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1719 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1720 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1721 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1722 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1723 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1724 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1725 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1726 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1727 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1728 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1729 1730 /* Query flags, to be ORed with the control ID */ 1731 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1732 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1733 1734 /* User-class control IDs defined by V4L2 */ 1735 #define V4L2_CID_MAX_CTRLS 1024 1736 /* IDs reserved for driver specific controls */ 1737 #define V4L2_CID_PRIVATE_BASE 0x08000000 1738 1739 1740 /* 1741 * T U N I N G 1742 */ 1743 struct v4l2_tuner { 1744 __u32 index; 1745 __u8 name[32]; 1746 __u32 type; /* enum v4l2_tuner_type */ 1747 __u32 capability; 1748 __u32 rangelow; 1749 __u32 rangehigh; 1750 __u32 rxsubchans; 1751 __u32 audmode; 1752 __s32 signal; 1753 __s32 afc; 1754 __u32 reserved[4]; 1755 }; 1756 1757 struct v4l2_modulator { 1758 __u32 index; 1759 __u8 name[32]; 1760 __u32 capability; 1761 __u32 rangelow; 1762 __u32 rangehigh; 1763 __u32 txsubchans; 1764 __u32 type; /* enum v4l2_tuner_type */ 1765 __u32 reserved[3]; 1766 }; 1767 1768 /* Flags for the 'capability' field */ 1769 #define V4L2_TUNER_CAP_LOW 0x0001 1770 #define V4L2_TUNER_CAP_NORM 0x0002 1771 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1772 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1773 #define V4L2_TUNER_CAP_STEREO 0x0010 1774 #define V4L2_TUNER_CAP_LANG2 0x0020 1775 #define V4L2_TUNER_CAP_SAP 0x0020 1776 #define V4L2_TUNER_CAP_LANG1 0x0040 1777 #define V4L2_TUNER_CAP_RDS 0x0080 1778 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1779 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1780 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1781 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1782 #define V4L2_TUNER_CAP_1HZ 0x1000 1783 1784 /* Flags for the 'rxsubchans' field */ 1785 #define V4L2_TUNER_SUB_MONO 0x0001 1786 #define V4L2_TUNER_SUB_STEREO 0x0002 1787 #define V4L2_TUNER_SUB_LANG2 0x0004 1788 #define V4L2_TUNER_SUB_SAP 0x0004 1789 #define V4L2_TUNER_SUB_LANG1 0x0008 1790 #define V4L2_TUNER_SUB_RDS 0x0010 1791 1792 /* Values for the 'audmode' field */ 1793 #define V4L2_TUNER_MODE_MONO 0x0000 1794 #define V4L2_TUNER_MODE_STEREO 0x0001 1795 #define V4L2_TUNER_MODE_LANG2 0x0002 1796 #define V4L2_TUNER_MODE_SAP 0x0002 1797 #define V4L2_TUNER_MODE_LANG1 0x0003 1798 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1799 1800 struct v4l2_frequency { 1801 __u32 tuner; 1802 __u32 type; /* enum v4l2_tuner_type */ 1803 __u32 frequency; 1804 __u32 reserved[8]; 1805 }; 1806 1807 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1808 #define V4L2_BAND_MODULATION_FM (1 << 2) 1809 #define V4L2_BAND_MODULATION_AM (1 << 3) 1810 1811 struct v4l2_frequency_band { 1812 __u32 tuner; 1813 __u32 type; /* enum v4l2_tuner_type */ 1814 __u32 index; 1815 __u32 capability; 1816 __u32 rangelow; 1817 __u32 rangehigh; 1818 __u32 modulation; 1819 __u32 reserved[9]; 1820 }; 1821 1822 struct v4l2_hw_freq_seek { 1823 __u32 tuner; 1824 __u32 type; /* enum v4l2_tuner_type */ 1825 __u32 seek_upward; 1826 __u32 wrap_around; 1827 __u32 spacing; 1828 __u32 rangelow; 1829 __u32 rangehigh; 1830 __u32 reserved[5]; 1831 }; 1832 1833 /* 1834 * R D S 1835 */ 1836 1837 struct v4l2_rds_data { 1838 __u8 lsb; 1839 __u8 msb; 1840 __u8 block; 1841 } __attribute__ ((packed)); 1842 1843 #define V4L2_RDS_BLOCK_MSK 0x7 1844 #define V4L2_RDS_BLOCK_A 0 1845 #define V4L2_RDS_BLOCK_B 1 1846 #define V4L2_RDS_BLOCK_C 2 1847 #define V4L2_RDS_BLOCK_D 3 1848 #define V4L2_RDS_BLOCK_C_ALT 4 1849 #define V4L2_RDS_BLOCK_INVALID 7 1850 1851 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1852 #define V4L2_RDS_BLOCK_ERROR 0x80 1853 1854 /* 1855 * A U D I O 1856 */ 1857 struct v4l2_audio { 1858 __u32 index; 1859 __u8 name[32]; 1860 __u32 capability; 1861 __u32 mode; 1862 __u32 reserved[2]; 1863 }; 1864 1865 /* Flags for the 'capability' field */ 1866 #define V4L2_AUDCAP_STEREO 0x00001 1867 #define V4L2_AUDCAP_AVL 0x00002 1868 1869 /* Flags for the 'mode' field */ 1870 #define V4L2_AUDMODE_AVL 0x00001 1871 1872 struct v4l2_audioout { 1873 __u32 index; 1874 __u8 name[32]; 1875 __u32 capability; 1876 __u32 mode; 1877 __u32 reserved[2]; 1878 }; 1879 1880 /* 1881 * M P E G S E R V I C E S 1882 */ 1883 #if 1 1884 #define V4L2_ENC_IDX_FRAME_I (0) 1885 #define V4L2_ENC_IDX_FRAME_P (1) 1886 #define V4L2_ENC_IDX_FRAME_B (2) 1887 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1888 1889 struct v4l2_enc_idx_entry { 1890 __u64 offset; 1891 __u64 pts; 1892 __u32 length; 1893 __u32 flags; 1894 __u32 reserved[2]; 1895 }; 1896 1897 #define V4L2_ENC_IDX_ENTRIES (64) 1898 struct v4l2_enc_idx { 1899 __u32 entries; 1900 __u32 entries_cap; 1901 __u32 reserved[4]; 1902 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1903 }; 1904 1905 1906 #define V4L2_ENC_CMD_START (0) 1907 #define V4L2_ENC_CMD_STOP (1) 1908 #define V4L2_ENC_CMD_PAUSE (2) 1909 #define V4L2_ENC_CMD_RESUME (3) 1910 1911 /* Flags for V4L2_ENC_CMD_STOP */ 1912 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1913 1914 struct v4l2_encoder_cmd { 1915 __u32 cmd; 1916 __u32 flags; 1917 union { 1918 struct { 1919 __u32 data[8]; 1920 } raw; 1921 }; 1922 }; 1923 1924 /* Decoder commands */ 1925 #define V4L2_DEC_CMD_START (0) 1926 #define V4L2_DEC_CMD_STOP (1) 1927 #define V4L2_DEC_CMD_PAUSE (2) 1928 #define V4L2_DEC_CMD_RESUME (3) 1929 1930 /* Flags for V4L2_DEC_CMD_START */ 1931 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1932 1933 /* Flags for V4L2_DEC_CMD_PAUSE */ 1934 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1935 1936 /* Flags for V4L2_DEC_CMD_STOP */ 1937 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1938 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1939 1940 /* Play format requirements (returned by the driver): */ 1941 1942 /* The decoder has no special format requirements */ 1943 #define V4L2_DEC_START_FMT_NONE (0) 1944 /* The decoder requires full GOPs */ 1945 #define V4L2_DEC_START_FMT_GOP (1) 1946 1947 /* The structure must be zeroed before use by the application 1948 This ensures it can be extended safely in the future. */ 1949 struct v4l2_decoder_cmd { 1950 __u32 cmd; 1951 __u32 flags; 1952 union { 1953 struct { 1954 __u64 pts; 1955 } stop; 1956 1957 struct { 1958 /* 0 or 1000 specifies normal speed, 1959 1 specifies forward single stepping, 1960 -1 specifies backward single stepping, 1961 >1: playback at speed/1000 of the normal speed, 1962 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1963 __s32 speed; 1964 __u32 format; 1965 } start; 1966 1967 struct { 1968 __u32 data[16]; 1969 } raw; 1970 }; 1971 }; 1972 #endif 1973 1974 1975 /* 1976 * D A T A S E R V I C E S ( V B I ) 1977 * 1978 * Data services API by Michael Schimek 1979 */ 1980 1981 /* Raw VBI */ 1982 struct v4l2_vbi_format { 1983 __u32 sampling_rate; /* in 1 Hz */ 1984 __u32 offset; 1985 __u32 samples_per_line; 1986 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1987 __s32 start[2]; 1988 __u32 count[2]; 1989 __u32 flags; /* V4L2_VBI_* */ 1990 __u32 reserved[2]; /* must be zero */ 1991 }; 1992 1993 /* VBI flags */ 1994 #define V4L2_VBI_UNSYNC (1 << 0) 1995 #define V4L2_VBI_INTERLACED (1 << 1) 1996 1997 /* ITU-R start lines for each field */ 1998 #define V4L2_VBI_ITU_525_F1_START (1) 1999 #define V4L2_VBI_ITU_525_F2_START (264) 2000 #define V4L2_VBI_ITU_625_F1_START (1) 2001 #define V4L2_VBI_ITU_625_F2_START (314) 2002 2003 /* Sliced VBI 2004 * 2005 * This implements is a proposal V4L2 API to allow SLICED VBI 2006 * required for some hardware encoders. It should change without 2007 * notice in the definitive implementation. 2008 */ 2009 2010 struct v4l2_sliced_vbi_format { 2011 __u16 service_set; 2012 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2013 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2014 (equals frame lines 313-336 for 625 line video 2015 standards, 263-286 for 525 line standards) */ 2016 __u16 service_lines[2][24]; 2017 __u32 io_size; 2018 __u32 reserved[2]; /* must be zero */ 2019 }; 2020 2021 /* Teletext World System Teletext 2022 (WST), defined on ITU-R BT.653-2 */ 2023 #define V4L2_SLICED_TELETEXT_B (0x0001) 2024 /* Video Program System, defined on ETS 300 231*/ 2025 #define V4L2_SLICED_VPS (0x0400) 2026 /* Closed Caption, defined on EIA-608 */ 2027 #define V4L2_SLICED_CAPTION_525 (0x1000) 2028 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2029 #define V4L2_SLICED_WSS_625 (0x4000) 2030 2031 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2032 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2033 2034 struct v4l2_sliced_vbi_cap { 2035 __u16 service_set; 2036 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2037 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2038 (equals frame lines 313-336 for 625 line video 2039 standards, 263-286 for 525 line standards) */ 2040 __u16 service_lines[2][24]; 2041 __u32 type; /* enum v4l2_buf_type */ 2042 __u32 reserved[3]; /* must be 0 */ 2043 }; 2044 2045 struct v4l2_sliced_vbi_data { 2046 __u32 id; 2047 __u32 field; /* 0: first field, 1: second field */ 2048 __u32 line; /* 1-23 */ 2049 __u32 reserved; /* must be 0 */ 2050 __u8 data[48]; 2051 }; 2052 2053 /* 2054 * Sliced VBI data inserted into MPEG Streams 2055 */ 2056 2057 /* 2058 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2059 * 2060 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2061 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2062 * data 2063 * 2064 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2065 * definitions are not included here. See the MPEG-2 specifications for details 2066 * on these headers. 2067 */ 2068 2069 /* Line type IDs */ 2070 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2071 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2072 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2073 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2074 2075 struct v4l2_mpeg_vbi_itv0_line { 2076 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2077 __u8 data[42]; /* Sliced VBI data for the line */ 2078 } __attribute__ ((packed)); 2079 2080 struct v4l2_mpeg_vbi_itv0 { 2081 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2082 struct v4l2_mpeg_vbi_itv0_line line[35]; 2083 } __attribute__ ((packed)); 2084 2085 struct v4l2_mpeg_vbi_ITV0 { 2086 struct v4l2_mpeg_vbi_itv0_line line[36]; 2087 } __attribute__ ((packed)); 2088 2089 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2090 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2091 2092 struct v4l2_mpeg_vbi_fmt_ivtv { 2093 __u8 magic[4]; 2094 union { 2095 struct v4l2_mpeg_vbi_itv0 itv0; 2096 struct v4l2_mpeg_vbi_ITV0 ITV0; 2097 }; 2098 } __attribute__ ((packed)); 2099 2100 /* 2101 * A G G R E G A T E S T R U C T U R E S 2102 */ 2103 2104 /** 2105 * struct v4l2_plane_pix_format - additional, per-plane format definition 2106 * @sizeimage: maximum size in bytes required for data, for which 2107 * this plane will be used 2108 * @bytesperline: distance in bytes between the leftmost pixels in two 2109 * adjacent lines 2110 */ 2111 struct v4l2_plane_pix_format { 2112 __u32 sizeimage; 2113 __u32 bytesperline; 2114 __u16 reserved[6]; 2115 } __attribute__ ((packed)); 2116 2117 /** 2118 * struct v4l2_pix_format_mplane - multiplanar format definition 2119 * @width: image width in pixels 2120 * @height: image height in pixels 2121 * @pixelformat: little endian four character code (fourcc) 2122 * @field: enum v4l2_field; field order (for interlaced video) 2123 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2124 * @plane_fmt: per-plane information 2125 * @num_planes: number of planes for this format 2126 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2127 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2128 * @quantization: enum v4l2_quantization, colorspace quantization 2129 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2130 */ 2131 struct v4l2_pix_format_mplane { 2132 __u32 width; 2133 __u32 height; 2134 __u32 pixelformat; 2135 __u32 field; 2136 __u32 colorspace; 2137 2138 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2139 __u8 num_planes; 2140 __u8 flags; 2141 union { 2142 __u8 ycbcr_enc; 2143 __u8 hsv_enc; 2144 }; 2145 __u8 quantization; 2146 __u8 xfer_func; 2147 __u8 reserved[7]; 2148 } __attribute__ ((packed)); 2149 2150 /** 2151 * struct v4l2_sdr_format - SDR format definition 2152 * @pixelformat: little endian four character code (fourcc) 2153 * @buffersize: maximum size in bytes required for data 2154 */ 2155 struct v4l2_sdr_format { 2156 __u32 pixelformat; 2157 __u32 buffersize; 2158 __u8 reserved[24]; 2159 } __attribute__ ((packed)); 2160 2161 /** 2162 * struct v4l2_meta_format - metadata format definition 2163 * @dataformat: little endian four character code (fourcc) 2164 * @buffersize: maximum size in bytes required for data 2165 */ 2166 struct v4l2_meta_format { 2167 __u32 dataformat; 2168 __u32 buffersize; 2169 } __attribute__ ((packed)); 2170 2171 /** 2172 * struct v4l2_format - stream data format 2173 * @type: enum v4l2_buf_type; type of the data stream 2174 * @pix: definition of an image format 2175 * @pix_mp: definition of a multiplanar image format 2176 * @win: definition of an overlaid image 2177 * @vbi: raw VBI capture or output parameters 2178 * @sliced: sliced VBI capture or output parameters 2179 * @raw_data: placeholder for future extensions and custom formats 2180 */ 2181 struct v4l2_format { 2182 __u32 type; 2183 union { 2184 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2185 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2186 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2187 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2188 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2189 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2190 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2191 __u8 raw_data[200]; /* user-defined */ 2192 } fmt; 2193 }; 2194 2195 /* Stream type-dependent parameters 2196 */ 2197 struct v4l2_streamparm { 2198 __u32 type; /* enum v4l2_buf_type */ 2199 union { 2200 struct v4l2_captureparm capture; 2201 struct v4l2_outputparm output; 2202 __u8 raw_data[200]; /* user-defined */ 2203 } parm; 2204 }; 2205 2206 /* 2207 * E V E N T S 2208 */ 2209 2210 #define V4L2_EVENT_ALL 0 2211 #define V4L2_EVENT_VSYNC 1 2212 #define V4L2_EVENT_EOS 2 2213 #define V4L2_EVENT_CTRL 3 2214 #define V4L2_EVENT_FRAME_SYNC 4 2215 #define V4L2_EVENT_SOURCE_CHANGE 5 2216 #define V4L2_EVENT_MOTION_DET 6 2217 #define V4L2_EVENT_PRIVATE_START 0x08000000 2218 2219 /* Payload for V4L2_EVENT_VSYNC */ 2220 struct v4l2_event_vsync { 2221 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2222 __u8 field; 2223 } __attribute__ ((packed)); 2224 2225 /* Payload for V4L2_EVENT_CTRL */ 2226 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2227 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2228 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2229 2230 struct v4l2_event_ctrl { 2231 __u32 changes; 2232 __u32 type; 2233 union { 2234 __s32 value; 2235 __s64 value64; 2236 }; 2237 __u32 flags; 2238 __s32 minimum; 2239 __s32 maximum; 2240 __s32 step; 2241 __s32 default_value; 2242 }; 2243 2244 struct v4l2_event_frame_sync { 2245 __u32 frame_sequence; 2246 }; 2247 2248 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2249 2250 struct v4l2_event_src_change { 2251 __u32 changes; 2252 }; 2253 2254 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2255 2256 /** 2257 * struct v4l2_event_motion_det - motion detection event 2258 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2259 * frame_sequence field is valid. 2260 * @frame_sequence: the frame sequence number associated with this event. 2261 * @region_mask: which regions detected motion. 2262 */ 2263 struct v4l2_event_motion_det { 2264 __u32 flags; 2265 __u32 frame_sequence; 2266 __u32 region_mask; 2267 }; 2268 2269 struct v4l2_event { 2270 __u32 type; 2271 union { 2272 struct v4l2_event_vsync vsync; 2273 struct v4l2_event_ctrl ctrl; 2274 struct v4l2_event_frame_sync frame_sync; 2275 struct v4l2_event_src_change src_change; 2276 struct v4l2_event_motion_det motion_det; 2277 __u8 data[64]; 2278 } u; 2279 __u32 pending; 2280 __u32 sequence; 2281 struct timespec timestamp; 2282 __u32 id; 2283 __u32 reserved[8]; 2284 }; 2285 2286 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2287 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2288 2289 struct v4l2_event_subscription { 2290 __u32 type; 2291 __u32 id; 2292 __u32 flags; 2293 __u32 reserved[5]; 2294 }; 2295 2296 /* 2297 * A D V A N C E D D E B U G G I N G 2298 * 2299 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2300 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2301 */ 2302 2303 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2304 2305 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2306 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2307 2308 /* The following four defines are no longer in use */ 2309 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2310 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2311 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2312 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2313 2314 struct v4l2_dbg_match { 2315 __u32 type; /* Match type */ 2316 union { /* Match this chip, meaning determined by type */ 2317 __u32 addr; 2318 char name[32]; 2319 }; 2320 } __attribute__ ((packed)); 2321 2322 struct v4l2_dbg_register { 2323 struct v4l2_dbg_match match; 2324 __u32 size; /* register size in bytes */ 2325 __u64 reg; 2326 __u64 val; 2327 } __attribute__ ((packed)); 2328 2329 #define V4L2_CHIP_FL_READABLE (1 << 0) 2330 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2331 2332 /* VIDIOC_DBG_G_CHIP_INFO */ 2333 struct v4l2_dbg_chip_info { 2334 struct v4l2_dbg_match match; 2335 char name[32]; 2336 __u32 flags; 2337 __u32 reserved[32]; 2338 } __attribute__ ((packed)); 2339 2340 /** 2341 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2342 * @index: on return, index of the first created buffer 2343 * @count: entry: number of requested buffers, 2344 * return: number of created buffers 2345 * @memory: enum v4l2_memory; buffer memory type 2346 * @format: frame format, for which buffers are requested 2347 * @capabilities: capabilities of this buffer type. 2348 * @reserved: future extensions 2349 */ 2350 struct v4l2_create_buffers { 2351 __u32 index; 2352 __u32 count; 2353 __u32 memory; 2354 struct v4l2_format format; 2355 __u32 capabilities; 2356 __u32 reserved[7]; 2357 }; 2358 2359 /* 2360 * I O C T L C O D E S F O R V I D E O D E V I C E S 2361 * 2362 */ 2363 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2364 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2365 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2366 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2367 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2368 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2369 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2370 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2371 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2372 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2373 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2374 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2375 #define VIDIOC_STREAMON _IOW('V', 18, int) 2376 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2377 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2378 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2379 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2380 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2381 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2382 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2383 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2384 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2385 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2386 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2387 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2388 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2389 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2390 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2391 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2392 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2393 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2394 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2395 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2396 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2397 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2398 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2399 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2400 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2401 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2402 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2403 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2404 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2405 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2406 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2407 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2408 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2409 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2410 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2411 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2412 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2413 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2414 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2415 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2416 #define VIDIOC_LOG_STATUS _IO('V', 70) 2417 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2418 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2419 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2420 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2421 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2422 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2423 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2424 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2425 2426 /* 2427 * Experimental, meant for debugging, testing and internal use. 2428 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2429 * You must be root to use these ioctls. Never use these in applications! 2430 */ 2431 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2432 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2433 2434 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2435 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2436 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2437 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2438 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2439 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2440 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2441 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2442 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2443 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2444 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2445 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2446 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2447 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2448 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2449 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2450 2451 /* 2452 * Experimental, meant for debugging, testing and internal use. 2453 * Never use this in applications! 2454 */ 2455 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2456 2457 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2458 2459 /* Reminder: when adding new ioctls please add support for them to 2460 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2461 2462 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2463 2464 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2465