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 <[email protected]> 53 * Justin Schoeman 54 * Hans Verkuil <[email protected]> 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 #define V4L2_FIELD_IS_INTERLACED(field) \ 134 ((field) == V4L2_FIELD_INTERLACED ||\ 135 (field) == V4L2_FIELD_INTERLACED_TB ||\ 136 (field) == V4L2_FIELD_INTERLACED_BT) 137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 138 ((field) == V4L2_FIELD_SEQ_TB ||\ 139 (field) == V4L2_FIELD_SEQ_BT) 140 141 enum v4l2_buf_type { 142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 145 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 146 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 152 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 153 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 154 V4L2_BUF_TYPE_META_CAPTURE = 13, 155 V4L2_BUF_TYPE_META_OUTPUT = 14, 156 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158 }; 159 160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164 #define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 173 174 enum v4l2_tuner_type { 175 V4L2_TUNER_RADIO = 1, 176 V4L2_TUNER_ANALOG_TV = 2, 177 V4L2_TUNER_DIGITAL_TV = 3, 178 V4L2_TUNER_SDR = 4, 179 V4L2_TUNER_RF = 5, 180 }; 181 182 /* Deprecated, do not use */ 183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 184 185 enum v4l2_memory { 186 V4L2_MEMORY_MMAP = 1, 187 V4L2_MEMORY_USERPTR = 2, 188 V4L2_MEMORY_OVERLAY = 3, 189 V4L2_MEMORY_DMABUF = 4, 190 }; 191 192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 193 enum v4l2_colorspace { 194 /* 195 * Default colorspace, i.e. let the driver figure it out. 196 * Can only be used with video capture. 197 */ 198 V4L2_COLORSPACE_DEFAULT = 0, 199 200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 201 V4L2_COLORSPACE_SMPTE170M = 1, 202 203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 204 V4L2_COLORSPACE_SMPTE240M = 2, 205 206 /* Rec.709: used for HDTV */ 207 V4L2_COLORSPACE_REC709 = 3, 208 209 /* 210 * Deprecated, do not use. No driver will ever return this. This was 211 * based on a misunderstanding of the bt878 datasheet. 212 */ 213 V4L2_COLORSPACE_BT878 = 4, 214 215 /* 216 * NTSC 1953 colorspace. This only makes sense when dealing with 217 * really, really old NTSC recordings. Superseded by SMPTE 170M. 218 */ 219 V4L2_COLORSPACE_470_SYSTEM_M = 5, 220 221 /* 222 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 223 * dealing with really old PAL/SECAM recordings. Superseded by 224 * SMPTE 170M. 225 */ 226 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 227 228 /* 229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 231 */ 232 V4L2_COLORSPACE_JPEG = 7, 233 234 /* For RGB colorspaces such as produces by most webcams. */ 235 V4L2_COLORSPACE_SRGB = 8, 236 237 /* opRGB colorspace */ 238 V4L2_COLORSPACE_OPRGB = 9, 239 240 /* BT.2020 colorspace, used for UHDTV. */ 241 V4L2_COLORSPACE_BT2020 = 10, 242 243 /* Raw colorspace: for RAW unprocessed images */ 244 V4L2_COLORSPACE_RAW = 11, 245 246 /* DCI-P3 colorspace, used by cinema projectors */ 247 V4L2_COLORSPACE_DCI_P3 = 12, 248 }; 249 250 /* 251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 252 * This depends on whether this is a SDTV image (use SMPTE 170M), an 253 * HDTV image (use Rec. 709), or something else (use sRGB). 254 */ 255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 258 259 enum v4l2_xfer_func { 260 /* 261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 262 * for the various colorspaces: 263 * 264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 267 * 268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 269 * 270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 271 * 272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 273 * 274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 275 * 276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 277 */ 278 V4L2_XFER_FUNC_DEFAULT = 0, 279 V4L2_XFER_FUNC_709 = 1, 280 V4L2_XFER_FUNC_SRGB = 2, 281 V4L2_XFER_FUNC_OPRGB = 3, 282 V4L2_XFER_FUNC_SMPTE240M = 4, 283 V4L2_XFER_FUNC_NONE = 5, 284 V4L2_XFER_FUNC_DCI_P3 = 6, 285 V4L2_XFER_FUNC_SMPTE2084 = 7, 286 }; 287 288 /* 289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 290 * This depends on the colorspace. 291 */ 292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 299 300 enum v4l2_ycbcr_encoding { 301 /* 302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 303 * various colorspaces: 304 * 305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 308 * 309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 310 * 311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 312 * 313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 314 */ 315 V4L2_YCBCR_ENC_DEFAULT = 0, 316 317 /* ITU-R 601 -- SDTV */ 318 V4L2_YCBCR_ENC_601 = 1, 319 320 /* Rec. 709 -- HDTV */ 321 V4L2_YCBCR_ENC_709 = 2, 322 323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 324 V4L2_YCBCR_ENC_XV601 = 3, 325 326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 327 V4L2_YCBCR_ENC_XV709 = 4, 328 329 #ifndef __KERNEL__ 330 /* 331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 332 * originally due to a misunderstanding of the sYCC standard. It should 333 * not be used, instead use V4L2_YCBCR_ENC_601. 334 */ 335 V4L2_YCBCR_ENC_SYCC = 5, 336 #endif 337 338 /* BT.2020 Non-constant Luminance Y'CbCr */ 339 V4L2_YCBCR_ENC_BT2020 = 6, 340 341 /* BT.2020 Constant Luminance Y'CbcCrc */ 342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 343 344 /* SMPTE 240M -- Obsolete HDTV */ 345 V4L2_YCBCR_ENC_SMPTE240M = 8, 346 }; 347 348 /* 349 * enum v4l2_hsv_encoding values should not collide with the ones from 350 * enum v4l2_ycbcr_encoding. 351 */ 352 enum v4l2_hsv_encoding { 353 354 /* Hue mapped to 0 - 179 */ 355 V4L2_HSV_ENC_180 = 128, 356 357 /* Hue mapped to 0-255 */ 358 V4L2_HSV_ENC_256 = 129, 359 }; 360 361 /* 362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 363 * This depends on the colorspace. 364 */ 365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 366 (((colsp) == V4L2_COLORSPACE_REC709 || \ 367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 370 V4L2_YCBCR_ENC_601))) 371 372 enum v4l2_quantization { 373 /* 374 * The default for R'G'B' quantization is always full range, except 375 * for the BT2020 colorspace. For Y'CbCr the quantization is always 376 * limited range, except for COLORSPACE_JPEG: this is full range. 377 */ 378 V4L2_QUANTIZATION_DEFAULT = 0, 379 V4L2_QUANTIZATION_FULL_RANGE = 1, 380 V4L2_QUANTIZATION_LIM_RANGE = 2, 381 }; 382 383 /* 384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 385 * This depends on whether the image is RGB or not, the colorspace and the 386 * Y'CbCr encoding. 387 */ 388 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 389 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 390 V4L2_QUANTIZATION_LIM_RANGE : \ 391 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 392 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 393 394 /* 395 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 396 * 397 * WARNING: Please don't use these deprecated defines in your code, as 398 * there is a chance we have to remove them in the future. 399 */ 400 #ifndef __KERNEL__ 401 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 402 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 403 #endif 404 405 enum v4l2_priority { 406 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 407 V4L2_PRIORITY_BACKGROUND = 1, 408 V4L2_PRIORITY_INTERACTIVE = 2, 409 V4L2_PRIORITY_RECORD = 3, 410 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 411 }; 412 413 struct v4l2_rect { 414 __s32 left; 415 __s32 top; 416 __u32 width; 417 __u32 height; 418 }; 419 420 struct v4l2_fract { 421 __u32 numerator; 422 __u32 denominator; 423 }; 424 425 /** 426 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 427 * 428 * @driver: name of the driver module (e.g. "bttv") 429 * @card: name of the card (e.g. "Hauppauge WinTV") 430 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 431 * @version: KERNEL_VERSION 432 * @capabilities: capabilities of the physical device as a whole 433 * @device_caps: capabilities accessed via this particular device (node) 434 * @reserved: reserved fields for future extensions 435 */ 436 struct v4l2_capability { 437 __u8 driver[16]; 438 __u8 card[32]; 439 __u8 bus_info[32]; 440 __u32 version; 441 __u32 capabilities; 442 __u32 device_caps; 443 __u32 reserved[3]; 444 }; 445 446 /* Values for 'capabilities' field */ 447 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 448 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 449 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 450 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 451 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 452 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 453 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 454 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 455 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 456 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 457 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 458 459 /* Is a video capture device that supports multiplanar formats */ 460 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 461 /* Is a video output device that supports multiplanar formats */ 462 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 463 /* Is a video mem-to-mem device that supports multiplanar formats */ 464 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 465 /* Is a video mem-to-mem device */ 466 #define V4L2_CAP_VIDEO_M2M 0x00008000 467 468 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 469 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 470 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 471 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 472 473 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 474 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 475 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 476 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 477 478 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 479 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 480 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 481 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 482 483 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 484 485 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 486 487 /* 488 * V I D E O I M A G E F O R M A T 489 */ 490 struct v4l2_pix_format { 491 __u32 width; 492 __u32 height; 493 __u32 pixelformat; 494 __u32 field; /* enum v4l2_field */ 495 __u32 bytesperline; /* for padding, zero if unused */ 496 __u32 sizeimage; 497 __u32 colorspace; /* enum v4l2_colorspace */ 498 __u32 priv; /* private data, depends on pixelformat */ 499 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 500 union { 501 /* enum v4l2_ycbcr_encoding */ 502 __u32 ycbcr_enc; 503 /* enum v4l2_hsv_encoding */ 504 __u32 hsv_enc; 505 }; 506 __u32 quantization; /* enum v4l2_quantization */ 507 __u32 xfer_func; /* enum v4l2_xfer_func */ 508 }; 509 510 /* Pixel format FOURCC depth Description */ 511 512 /* RGB formats */ 513 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 514 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 515 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 516 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 517 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 518 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 519 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 520 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 521 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 522 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 523 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 524 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 525 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 526 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 527 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 528 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 529 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 530 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 531 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 532 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 533 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 534 535 /* Grey formats */ 536 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 537 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 538 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 539 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 540 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 541 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 542 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 543 544 /* Grey bit-packed formats */ 545 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 546 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 547 548 /* Palette formats */ 549 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 550 551 /* Chrominance formats */ 552 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 553 554 /* Luminance+Chrominance formats */ 555 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 556 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 557 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 558 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 559 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 560 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 561 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 562 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 563 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 564 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 565 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 566 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 567 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 568 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 569 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 570 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 571 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 572 573 /* two planes -- one Y, one Cr + Cb interleaved */ 574 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 575 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 576 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 577 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 578 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 579 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 580 581 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 582 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 583 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 584 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 585 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 586 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 587 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 588 589 /* three planes - Y Cb, Cr */ 590 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 591 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 592 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 593 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 594 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 595 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 596 597 /* three non contiguous planes - Y, Cb, Cr */ 598 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 599 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 600 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 601 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 602 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 603 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 604 605 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 606 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 607 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 608 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 609 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 610 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 611 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 612 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 613 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 614 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 615 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 616 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 617 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 618 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 619 /* 10bit raw bayer a-law compressed to 8 bits */ 620 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 621 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 622 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 623 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 624 /* 10bit raw bayer DPCM compressed to 8 bits */ 625 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 626 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 627 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 628 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 629 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 630 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 631 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 632 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 633 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 634 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 635 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 636 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 637 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 638 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 639 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 640 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 641 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 642 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 643 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 644 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 645 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 646 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 647 648 /* HSV formats */ 649 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 650 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 651 652 /* compressed formats */ 653 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 654 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 655 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 656 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 657 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 658 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 659 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 660 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 661 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 662 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 663 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 664 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 665 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 666 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 667 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 668 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 669 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 670 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 671 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 672 673 /* Vendor-specific formats */ 674 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 675 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 676 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 677 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 678 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 679 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 680 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 681 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 682 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 683 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 684 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 685 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 686 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 687 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 688 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 689 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 690 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 691 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 692 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 693 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 694 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 695 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 696 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 697 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 698 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 699 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 700 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 701 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 702 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 703 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 704 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 705 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 706 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 707 708 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 709 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 710 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 711 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 712 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 713 714 /* SDR formats - used only for Software Defined Radio devices */ 715 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 716 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 717 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 718 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 719 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 720 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 721 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 722 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 723 724 /* Touch formats - used for Touch devices */ 725 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 726 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 727 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 728 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 729 730 /* Meta-data formats */ 731 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 732 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 733 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 734 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 735 736 /* priv field value to indicates that subsequent fields are valid. */ 737 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 738 739 /* Flags */ 740 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 741 742 /* 743 * F O R M A T E N U M E R A T I O N 744 */ 745 struct v4l2_fmtdesc { 746 __u32 index; /* Format number */ 747 __u32 type; /* enum v4l2_buf_type */ 748 __u32 flags; 749 __u8 description[32]; /* Description string */ 750 __u32 pixelformat; /* Format fourcc */ 751 __u32 reserved[4]; 752 }; 753 754 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 755 #define V4L2_FMT_FLAG_EMULATED 0x0002 756 757 /* Frame Size and frame rate enumeration */ 758 /* 759 * F R A M E S I Z E E N U M E R A T I O N 760 */ 761 enum v4l2_frmsizetypes { 762 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 763 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 764 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 765 }; 766 767 struct v4l2_frmsize_discrete { 768 __u32 width; /* Frame width [pixel] */ 769 __u32 height; /* Frame height [pixel] */ 770 }; 771 772 struct v4l2_frmsize_stepwise { 773 __u32 min_width; /* Minimum frame width [pixel] */ 774 __u32 max_width; /* Maximum frame width [pixel] */ 775 __u32 step_width; /* Frame width step size [pixel] */ 776 __u32 min_height; /* Minimum frame height [pixel] */ 777 __u32 max_height; /* Maximum frame height [pixel] */ 778 __u32 step_height; /* Frame height step size [pixel] */ 779 }; 780 781 struct v4l2_frmsizeenum { 782 __u32 index; /* Frame size number */ 783 __u32 pixel_format; /* Pixel format */ 784 __u32 type; /* Frame size type the device supports. */ 785 786 union { /* Frame size */ 787 struct v4l2_frmsize_discrete discrete; 788 struct v4l2_frmsize_stepwise stepwise; 789 }; 790 791 __u32 reserved[2]; /* Reserved space for future use */ 792 }; 793 794 /* 795 * F R A M E R A T E E N U M E R A T I O N 796 */ 797 enum v4l2_frmivaltypes { 798 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 799 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 800 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 801 }; 802 803 struct v4l2_frmival_stepwise { 804 struct v4l2_fract min; /* Minimum frame interval [s] */ 805 struct v4l2_fract max; /* Maximum frame interval [s] */ 806 struct v4l2_fract step; /* Frame interval step size [s] */ 807 }; 808 809 struct v4l2_frmivalenum { 810 __u32 index; /* Frame format index */ 811 __u32 pixel_format; /* Pixel format */ 812 __u32 width; /* Frame width */ 813 __u32 height; /* Frame height */ 814 __u32 type; /* Frame interval type the device supports. */ 815 816 union { /* Frame interval */ 817 struct v4l2_fract discrete; 818 struct v4l2_frmival_stepwise stepwise; 819 }; 820 821 __u32 reserved[2]; /* Reserved space for future use */ 822 }; 823 824 /* 825 * T I M E C O D E 826 */ 827 struct v4l2_timecode { 828 __u32 type; 829 __u32 flags; 830 __u8 frames; 831 __u8 seconds; 832 __u8 minutes; 833 __u8 hours; 834 __u8 userbits[4]; 835 }; 836 837 /* Type */ 838 #define V4L2_TC_TYPE_24FPS 1 839 #define V4L2_TC_TYPE_25FPS 2 840 #define V4L2_TC_TYPE_30FPS 3 841 #define V4L2_TC_TYPE_50FPS 4 842 #define V4L2_TC_TYPE_60FPS 5 843 844 /* Flags */ 845 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 846 #define V4L2_TC_FLAG_COLORFRAME 0x0002 847 #define V4L2_TC_USERBITS_field 0x000C 848 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 849 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 850 /* The above is based on SMPTE timecodes */ 851 852 struct v4l2_jpegcompression { 853 int quality; 854 855 int APPn; /* Number of APP segment to be written, 856 * must be 0..15 */ 857 int APP_len; /* Length of data in JPEG APPn segment */ 858 char APP_data[60]; /* Data in the JPEG APPn segment. */ 859 860 int COM_len; /* Length of data in JPEG COM segment */ 861 char COM_data[60]; /* Data in JPEG COM segment */ 862 863 __u32 jpeg_markers; /* Which markers should go into the JPEG 864 * output. Unless you exactly know what 865 * you do, leave them untouched. 866 * Including less markers will make the 867 * resulting code smaller, but there will 868 * be fewer applications which can read it. 869 * The presence of the APP and COM marker 870 * is influenced by APP_len and COM_len 871 * ONLY, not by this property! */ 872 873 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 874 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 875 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 876 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 877 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 878 * always use APP0 */ 879 }; 880 881 /* 882 * M E M O R Y - M A P P I N G B U F F E R S 883 */ 884 struct v4l2_requestbuffers { 885 __u32 count; 886 __u32 type; /* enum v4l2_buf_type */ 887 __u32 memory; /* enum v4l2_memory */ 888 __u32 capabilities; 889 __u32 reserved[1]; 890 }; 891 892 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 893 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 894 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 895 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 896 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 897 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 898 899 /** 900 * struct v4l2_plane - plane info for multi-planar buffers 901 * @bytesused: number of bytes occupied by data in the plane (payload) 902 * @length: size of this plane (NOT the payload) in bytes 903 * @mem_offset: when memory in the associated struct v4l2_buffer is 904 * V4L2_MEMORY_MMAP, equals the offset from the start of 905 * the device memory for this plane (or is a "cookie" that 906 * should be passed to mmap() called on the video node) 907 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 908 * pointing to this plane 909 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 910 * descriptor associated with this plane 911 * @data_offset: offset in the plane to the start of data; usually 0, 912 * unless there is a header in front of the data 913 * 914 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 915 * with two planes can have one plane for Y, and another for interleaved CbCr 916 * components. Each plane can reside in a separate memory buffer, or even in 917 * a completely separate memory node (e.g. in embedded devices). 918 */ 919 struct v4l2_plane { 920 __u32 bytesused; 921 __u32 length; 922 union { 923 __u32 mem_offset; 924 unsigned long userptr; 925 __s32 fd; 926 } m; 927 __u32 data_offset; 928 __u32 reserved[11]; 929 }; 930 931 /** 932 * struct v4l2_buffer - video buffer info 933 * @index: id number of the buffer 934 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 935 * multiplanar buffers); 936 * @bytesused: number of bytes occupied by data in the buffer (payload); 937 * unused (set to 0) for multiplanar buffers 938 * @flags: buffer informational flags 939 * @field: enum v4l2_field; field order of the image in the buffer 940 * @timestamp: frame timestamp 941 * @timecode: frame timecode 942 * @sequence: sequence count of this frame 943 * @memory: enum v4l2_memory; the method, in which the actual video data is 944 * passed 945 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 946 * offset from the start of the device memory for this plane, 947 * (or a "cookie" that should be passed to mmap() as offset) 948 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 949 * a userspace pointer pointing to this buffer 950 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 951 * a userspace file descriptor associated with this buffer 952 * @planes: for multiplanar buffers; userspace pointer to the array of plane 953 * info structs for this buffer 954 * @length: size in bytes of the buffer (NOT its payload) for single-plane 955 * buffers (when type != *_MPLANE); number of elements in the 956 * planes array for multi-plane buffers 957 * @request_fd: fd of the request that this buffer should use 958 * 959 * Contains data exchanged by application and driver using one of the Streaming 960 * I/O methods. 961 */ 962 struct v4l2_buffer { 963 __u32 index; 964 __u32 type; 965 __u32 bytesused; 966 __u32 flags; 967 __u32 field; 968 struct timeval timestamp; 969 struct v4l2_timecode timecode; 970 __u32 sequence; 971 972 /* memory location */ 973 __u32 memory; 974 union { 975 __u32 offset; 976 unsigned long userptr; 977 struct v4l2_plane *planes; 978 __s32 fd; 979 } m; 980 __u32 length; 981 __u32 reserved2; 982 union { 983 __s32 request_fd; 984 __u32 reserved; 985 }; 986 }; 987 988 /** 989 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 990 * @ts: pointer to the timeval variable to be converted 991 * 992 * Returns the scalar nanosecond representation of the timeval 993 * parameter. 994 */ 995 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 996 { 997 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 998 } 999 1000 /* Flags for 'flags' field */ 1001 /* Buffer is mapped (flag) */ 1002 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1003 /* Buffer is queued for processing */ 1004 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1005 /* Buffer is ready */ 1006 #define V4L2_BUF_FLAG_DONE 0x00000004 1007 /* Image is a keyframe (I-frame) */ 1008 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1009 /* Image is a P-frame */ 1010 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1011 /* Image is a B-frame */ 1012 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1013 /* Buffer is ready, but the data contained within is corrupted. */ 1014 #define V4L2_BUF_FLAG_ERROR 0x00000040 1015 /* Buffer is added to an unqueued request */ 1016 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1017 /* timecode field is valid */ 1018 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1019 /* Buffer is prepared for queuing */ 1020 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1021 /* Cache handling flags */ 1022 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1023 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1024 /* Timestamp type */ 1025 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1026 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1027 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1028 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1029 /* Timestamp sources. */ 1030 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1031 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1032 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1033 /* mem2mem encoder/decoder */ 1034 #define V4L2_BUF_FLAG_LAST 0x00100000 1035 /* request_fd is valid */ 1036 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1037 1038 /** 1039 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1040 * 1041 * @index: id number of the buffer 1042 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1043 * multiplanar buffers); 1044 * @plane: index of the plane to be exported, 0 for single plane queues 1045 * @flags: flags for newly created file, currently only O_CLOEXEC is 1046 * supported, refer to manual of open syscall for more details 1047 * @fd: file descriptor associated with DMABUF (set by driver) 1048 * 1049 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1050 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1051 * (identical to the cookie used to mmap() the buffer to userspace). All 1052 * reserved fields must be set to zero. The field reserved0 is expected to 1053 * become a structure 'type' allowing an alternative layout of the structure 1054 * content. Therefore this field should not be used for any other extensions. 1055 */ 1056 struct v4l2_exportbuffer { 1057 __u32 type; /* enum v4l2_buf_type */ 1058 __u32 index; 1059 __u32 plane; 1060 __u32 flags; 1061 __s32 fd; 1062 __u32 reserved[11]; 1063 }; 1064 1065 /* 1066 * O V E R L A Y P R E V I E W 1067 */ 1068 struct v4l2_framebuffer { 1069 __u32 capability; 1070 __u32 flags; 1071 /* FIXME: in theory we should pass something like PCI device + memory 1072 * region + offset instead of some physical address */ 1073 void *base; 1074 struct { 1075 __u32 width; 1076 __u32 height; 1077 __u32 pixelformat; 1078 __u32 field; /* enum v4l2_field */ 1079 __u32 bytesperline; /* for padding, zero if unused */ 1080 __u32 sizeimage; 1081 __u32 colorspace; /* enum v4l2_colorspace */ 1082 __u32 priv; /* reserved field, set to 0 */ 1083 } fmt; 1084 }; 1085 /* Flags for the 'capability' field. Read only */ 1086 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1087 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1088 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1089 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1090 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1091 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1092 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1093 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1094 /* Flags for the 'flags' field. */ 1095 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1096 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1097 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1098 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1099 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1100 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1101 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1102 1103 struct v4l2_clip { 1104 struct v4l2_rect c; 1105 struct v4l2_clip __user *next; 1106 }; 1107 1108 struct v4l2_window { 1109 struct v4l2_rect w; 1110 __u32 field; /* enum v4l2_field */ 1111 __u32 chromakey; 1112 struct v4l2_clip __user *clips; 1113 __u32 clipcount; 1114 void __user *bitmap; 1115 __u8 global_alpha; 1116 }; 1117 1118 /* 1119 * C A P T U R E P A R A M E T E R S 1120 */ 1121 struct v4l2_captureparm { 1122 __u32 capability; /* Supported modes */ 1123 __u32 capturemode; /* Current mode */ 1124 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1125 __u32 extendedmode; /* Driver-specific extensions */ 1126 __u32 readbuffers; /* # of buffers for read */ 1127 __u32 reserved[4]; 1128 }; 1129 1130 /* Flags for 'capability' and 'capturemode' fields */ 1131 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1132 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1133 1134 struct v4l2_outputparm { 1135 __u32 capability; /* Supported modes */ 1136 __u32 outputmode; /* Current mode */ 1137 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1138 __u32 extendedmode; /* Driver-specific extensions */ 1139 __u32 writebuffers; /* # of buffers for write */ 1140 __u32 reserved[4]; 1141 }; 1142 1143 /* 1144 * I N P U T I M A G E C R O P P I N G 1145 */ 1146 struct v4l2_cropcap { 1147 __u32 type; /* enum v4l2_buf_type */ 1148 struct v4l2_rect bounds; 1149 struct v4l2_rect defrect; 1150 struct v4l2_fract pixelaspect; 1151 }; 1152 1153 struct v4l2_crop { 1154 __u32 type; /* enum v4l2_buf_type */ 1155 struct v4l2_rect c; 1156 }; 1157 1158 /** 1159 * struct v4l2_selection - selection info 1160 * @type: buffer type (do not use *_MPLANE types) 1161 * @target: Selection target, used to choose one of possible rectangles; 1162 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1163 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1164 * @r: coordinates of selection window 1165 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1166 * 1167 * Hardware may use multiple helper windows to process a video stream. 1168 * The structure is used to exchange this selection areas between 1169 * an application and a driver. 1170 */ 1171 struct v4l2_selection { 1172 __u32 type; 1173 __u32 target; 1174 __u32 flags; 1175 struct v4l2_rect r; 1176 __u32 reserved[9]; 1177 }; 1178 1179 1180 /* 1181 * A N A L O G V I D E O S T A N D A R D 1182 */ 1183 1184 typedef __u64 v4l2_std_id; 1185 1186 /* one bit for each */ 1187 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1188 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1189 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1190 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1191 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1192 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1193 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1194 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1195 1196 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1197 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1198 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1199 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1200 1201 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1202 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1203 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1204 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1205 1206 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1207 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1208 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1209 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1210 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1211 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1212 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1213 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1214 1215 /* ATSC/HDTV */ 1216 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1217 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1218 1219 /* FIXME: 1220 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1221 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1222 this value to 32 bits. 1223 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1224 it should work fine. However, if needed to add more than two standards, 1225 v4l2-common.c should be fixed. 1226 */ 1227 1228 /* 1229 * Some macros to merge video standards in order to make live easier for the 1230 * drivers and V4L2 applications 1231 */ 1232 1233 /* 1234 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1235 * Missing here. 1236 */ 1237 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1238 V4L2_STD_NTSC_M_JP |\ 1239 V4L2_STD_NTSC_M_KR) 1240 /* Secam macros */ 1241 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1242 V4L2_STD_SECAM_K |\ 1243 V4L2_STD_SECAM_K1) 1244 /* All Secam Standards */ 1245 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1246 V4L2_STD_SECAM_G |\ 1247 V4L2_STD_SECAM_H |\ 1248 V4L2_STD_SECAM_DK |\ 1249 V4L2_STD_SECAM_L |\ 1250 V4L2_STD_SECAM_LC) 1251 /* PAL macros */ 1252 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1253 V4L2_STD_PAL_B1 |\ 1254 V4L2_STD_PAL_G) 1255 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1256 V4L2_STD_PAL_D1 |\ 1257 V4L2_STD_PAL_K) 1258 /* 1259 * "Common" PAL - This macro is there to be compatible with the old 1260 * V4L1 concept of "PAL": /BGDKHI. 1261 * Several PAL standards are missing here: /M, /N and /Nc 1262 */ 1263 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1264 V4L2_STD_PAL_DK |\ 1265 V4L2_STD_PAL_H |\ 1266 V4L2_STD_PAL_I) 1267 /* Chroma "agnostic" standards */ 1268 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1269 V4L2_STD_PAL_B1 |\ 1270 V4L2_STD_SECAM_B) 1271 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1272 V4L2_STD_SECAM_G) 1273 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1274 V4L2_STD_SECAM_H) 1275 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1276 V4L2_STD_SECAM_LC) 1277 #define V4L2_STD_GH (V4L2_STD_G |\ 1278 V4L2_STD_H) 1279 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1280 V4L2_STD_SECAM_DK) 1281 #define V4L2_STD_BG (V4L2_STD_B |\ 1282 V4L2_STD_G) 1283 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1284 V4L2_STD_PAL_N |\ 1285 V4L2_STD_PAL_Nc |\ 1286 V4L2_STD_NTSC) 1287 1288 /* Standards where MTS/BTSC stereo could be found */ 1289 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1290 V4L2_STD_PAL_M |\ 1291 V4L2_STD_PAL_N |\ 1292 V4L2_STD_PAL_Nc) 1293 1294 /* Standards for Countries with 60Hz Line frequency */ 1295 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1296 V4L2_STD_PAL_60 |\ 1297 V4L2_STD_NTSC |\ 1298 V4L2_STD_NTSC_443) 1299 /* Standards for Countries with 50Hz Line frequency */ 1300 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1301 V4L2_STD_PAL_N |\ 1302 V4L2_STD_PAL_Nc |\ 1303 V4L2_STD_SECAM) 1304 1305 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1306 V4L2_STD_ATSC_16_VSB) 1307 /* Macros with none and all analog standards */ 1308 #define V4L2_STD_UNKNOWN 0 1309 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1310 V4L2_STD_625_50) 1311 1312 struct v4l2_standard { 1313 __u32 index; 1314 v4l2_std_id id; 1315 __u8 name[24]; 1316 struct v4l2_fract frameperiod; /* Frames, not fields */ 1317 __u32 framelines; 1318 __u32 reserved[4]; 1319 }; 1320 1321 /* 1322 * D V B T T I M I N G S 1323 */ 1324 1325 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1326 * @width: total width of the active video in pixels 1327 * @height: total height of the active video in lines 1328 * @interlaced: Interlaced or progressive 1329 * @polarities: Positive or negative polarities 1330 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1331 * @hfrontporch:Horizontal front porch in pixels 1332 * @hsync: Horizontal Sync length in pixels 1333 * @hbackporch: Horizontal back porch in pixels 1334 * @vfrontporch:Vertical front porch in lines 1335 * @vsync: Vertical Sync length in lines 1336 * @vbackporch: Vertical back porch in lines 1337 * @il_vfrontporch:Vertical front porch for the even field 1338 * (aka field 2) of interlaced field formats 1339 * @il_vsync: Vertical Sync length for the even field 1340 * (aka field 2) of interlaced field formats 1341 * @il_vbackporch:Vertical back porch for the even field 1342 * (aka field 2) of interlaced field formats 1343 * @standards: Standards the timing belongs to 1344 * @flags: Flags 1345 * @picture_aspect: The picture aspect ratio (hor/vert). 1346 * @cea861_vic: VIC code as per the CEA-861 standard. 1347 * @hdmi_vic: VIC code as per the HDMI standard. 1348 * @reserved: Reserved fields, must be zeroed. 1349 * 1350 * A note regarding vertical interlaced timings: height refers to the total 1351 * height of the active video frame (= two fields). The blanking timings refer 1352 * to the blanking of each field. So the height of the total frame is 1353 * calculated as follows: 1354 * 1355 * tot_height = height + vfrontporch + vsync + vbackporch + 1356 * il_vfrontporch + il_vsync + il_vbackporch 1357 * 1358 * The active height of each field is height / 2. 1359 */ 1360 struct v4l2_bt_timings { 1361 __u32 width; 1362 __u32 height; 1363 __u32 interlaced; 1364 __u32 polarities; 1365 __u64 pixelclock; 1366 __u32 hfrontporch; 1367 __u32 hsync; 1368 __u32 hbackporch; 1369 __u32 vfrontporch; 1370 __u32 vsync; 1371 __u32 vbackporch; 1372 __u32 il_vfrontporch; 1373 __u32 il_vsync; 1374 __u32 il_vbackporch; 1375 __u32 standards; 1376 __u32 flags; 1377 struct v4l2_fract picture_aspect; 1378 __u8 cea861_vic; 1379 __u8 hdmi_vic; 1380 __u8 reserved[46]; 1381 } __attribute__ ((packed)); 1382 1383 /* Interlaced or progressive format */ 1384 #define V4L2_DV_PROGRESSIVE 0 1385 #define V4L2_DV_INTERLACED 1 1386 1387 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1388 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1389 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1390 1391 /* Timings standards */ 1392 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1393 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1394 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1395 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1396 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1397 1398 /* Flags */ 1399 1400 /* 1401 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1402 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1403 * intervals are reduced, allowing a higher resolution over the same 1404 * bandwidth. This is a read-only flag. 1405 */ 1406 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1407 /* 1408 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1409 * of six. These formats can be optionally played at 1 / 1.001 speed. 1410 * This is a read-only flag. 1411 */ 1412 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1413 /* 1414 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1415 * by receivers. 1416 * If the framerate of the format is a multiple of six, then the pixelclock 1417 * used to set up the transmitter is divided by 1.001 to make it compatible 1418 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1419 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1420 * such frequencies, then the flag will also be cleared. 1421 */ 1422 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1423 /* 1424 * Specific to interlaced formats: if set, then field 1 is really one half-line 1425 * longer and field 2 is really one half-line shorter, so each field has 1426 * exactly the same number of half-lines. Whether half-lines can be detected 1427 * or used depends on the hardware. 1428 */ 1429 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1430 /* 1431 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1432 * differ from other formats (commonly called IT formats) in that if RGB 1433 * encoding is used then by default the RGB values use limited range (i.e. 1434 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1435 * except for the 640x480 format are CE formats. 1436 */ 1437 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1438 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1439 * total height. For these formats, if this flag is set, the first 1440 * field has the extra line. If not, it is the second field. 1441 */ 1442 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1443 /* 1444 * If set, then the picture_aspect field is valid. Otherwise assume that the 1445 * pixels are square, so the picture aspect ratio is the same as the width to 1446 * height ratio. 1447 */ 1448 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1449 /* 1450 * If set, then the cea861_vic field is valid and contains the Video 1451 * Identification Code as per the CEA-861 standard. 1452 */ 1453 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1454 /* 1455 * If set, then the hdmi_vic field is valid and contains the Video 1456 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1457 * InfoFrame). 1458 */ 1459 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1460 /* 1461 * CEA-861 specific: only valid for video receivers. 1462 * If set, then HW can detect the difference between regular FPS and 1463 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1464 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1465 */ 1466 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1467 1468 /* A few useful defines to calculate the total blanking and frame sizes */ 1469 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1470 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1471 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1472 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1473 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1474 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1475 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1476 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1477 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1478 1479 /** struct v4l2_dv_timings - DV timings 1480 * @type: the type of the timings 1481 * @bt: BT656/1120 timings 1482 */ 1483 struct v4l2_dv_timings { 1484 __u32 type; 1485 union { 1486 struct v4l2_bt_timings bt; 1487 __u32 reserved[32]; 1488 }; 1489 } __attribute__ ((packed)); 1490 1491 /* Values for the type field */ 1492 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1493 1494 1495 /** struct v4l2_enum_dv_timings - DV timings enumeration 1496 * @index: enumeration index 1497 * @pad: the pad number for which to enumerate timings (used with 1498 * v4l-subdev nodes only) 1499 * @reserved: must be zeroed 1500 * @timings: the timings for the given index 1501 */ 1502 struct v4l2_enum_dv_timings { 1503 __u32 index; 1504 __u32 pad; 1505 __u32 reserved[2]; 1506 struct v4l2_dv_timings timings; 1507 }; 1508 1509 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1510 * @min_width: width in pixels 1511 * @max_width: width in pixels 1512 * @min_height: height in lines 1513 * @max_height: height in lines 1514 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1515 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1516 * @standards: Supported standards 1517 * @capabilities: Supported capabilities 1518 * @reserved: Must be zeroed 1519 */ 1520 struct v4l2_bt_timings_cap { 1521 __u32 min_width; 1522 __u32 max_width; 1523 __u32 min_height; 1524 __u32 max_height; 1525 __u64 min_pixelclock; 1526 __u64 max_pixelclock; 1527 __u32 standards; 1528 __u32 capabilities; 1529 __u32 reserved[16]; 1530 } __attribute__ ((packed)); 1531 1532 /* Supports interlaced formats */ 1533 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1534 /* Supports progressive formats */ 1535 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1536 /* Supports CVT/GTF reduced blanking */ 1537 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1538 /* Supports custom formats */ 1539 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1540 1541 /** struct v4l2_dv_timings_cap - DV timings capabilities 1542 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1543 * @pad: the pad number for which to query capabilities (used with 1544 * v4l-subdev nodes only) 1545 * @bt: the BT656/1120 timings capabilities 1546 */ 1547 struct v4l2_dv_timings_cap { 1548 __u32 type; 1549 __u32 pad; 1550 __u32 reserved[2]; 1551 union { 1552 struct v4l2_bt_timings_cap bt; 1553 __u32 raw_data[32]; 1554 }; 1555 }; 1556 1557 1558 /* 1559 * V I D E O I N P U T S 1560 */ 1561 struct v4l2_input { 1562 __u32 index; /* Which input */ 1563 __u8 name[32]; /* Label */ 1564 __u32 type; /* Type of input */ 1565 __u32 audioset; /* Associated audios (bitfield) */ 1566 __u32 tuner; /* enum v4l2_tuner_type */ 1567 v4l2_std_id std; 1568 __u32 status; 1569 __u32 capabilities; 1570 __u32 reserved[3]; 1571 }; 1572 1573 /* Values for the 'type' field */ 1574 #define V4L2_INPUT_TYPE_TUNER 1 1575 #define V4L2_INPUT_TYPE_CAMERA 2 1576 #define V4L2_INPUT_TYPE_TOUCH 3 1577 1578 /* field 'status' - general */ 1579 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1580 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1581 #define V4L2_IN_ST_NO_COLOR 0x00000004 1582 1583 /* field 'status' - sensor orientation */ 1584 /* If sensor is mounted upside down set both bits */ 1585 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1586 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1587 1588 /* field 'status' - analog */ 1589 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1590 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1591 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1592 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1593 1594 /* field 'status' - digital */ 1595 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1596 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1597 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1598 1599 /* field 'status' - VCR and set-top box */ 1600 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1601 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1602 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1603 1604 /* capabilities flags */ 1605 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1606 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1607 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1608 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1609 1610 /* 1611 * V I D E O O U T P U T S 1612 */ 1613 struct v4l2_output { 1614 __u32 index; /* Which output */ 1615 __u8 name[32]; /* Label */ 1616 __u32 type; /* Type of output */ 1617 __u32 audioset; /* Associated audios (bitfield) */ 1618 __u32 modulator; /* Associated modulator */ 1619 v4l2_std_id std; 1620 __u32 capabilities; 1621 __u32 reserved[3]; 1622 }; 1623 /* Values for the 'type' field */ 1624 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1625 #define V4L2_OUTPUT_TYPE_ANALOG 2 1626 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1627 1628 /* capabilities flags */ 1629 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1630 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1631 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1632 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1633 1634 /* 1635 * C O N T R O L S 1636 */ 1637 struct v4l2_control { 1638 __u32 id; 1639 __s32 value; 1640 }; 1641 1642 struct v4l2_ext_control { 1643 __u32 id; 1644 __u32 size; 1645 __u32 reserved2[1]; 1646 union { 1647 __s32 value; 1648 __s64 value64; 1649 char __user *string; 1650 __u8 __user *p_u8; 1651 __u16 __user *p_u16; 1652 __u32 __user *p_u32; 1653 void __user *ptr; 1654 }; 1655 } __attribute__ ((packed)); 1656 1657 struct v4l2_ext_controls { 1658 union { 1659 #ifndef __KERNEL__ 1660 __u32 ctrl_class; 1661 #endif 1662 __u32 which; 1663 }; 1664 __u32 count; 1665 __u32 error_idx; 1666 __s32 request_fd; 1667 __u32 reserved[1]; 1668 struct v4l2_ext_control *controls; 1669 }; 1670 1671 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1672 #ifndef __KERNEL__ 1673 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1674 #endif 1675 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1676 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1677 #define V4L2_CTRL_MAX_DIMS (4) 1678 #define V4L2_CTRL_WHICH_CUR_VAL 0 1679 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1680 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1681 1682 enum v4l2_ctrl_type { 1683 V4L2_CTRL_TYPE_INTEGER = 1, 1684 V4L2_CTRL_TYPE_BOOLEAN = 2, 1685 V4L2_CTRL_TYPE_MENU = 3, 1686 V4L2_CTRL_TYPE_BUTTON = 4, 1687 V4L2_CTRL_TYPE_INTEGER64 = 5, 1688 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1689 V4L2_CTRL_TYPE_STRING = 7, 1690 V4L2_CTRL_TYPE_BITMASK = 8, 1691 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1692 1693 /* Compound types are >= 0x0100 */ 1694 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1695 V4L2_CTRL_TYPE_U8 = 0x0100, 1696 V4L2_CTRL_TYPE_U16 = 0x0101, 1697 V4L2_CTRL_TYPE_U32 = 0x0102, 1698 }; 1699 1700 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1701 struct v4l2_queryctrl { 1702 __u32 id; 1703 __u32 type; /* enum v4l2_ctrl_type */ 1704 __u8 name[32]; /* Whatever */ 1705 __s32 minimum; /* Note signedness */ 1706 __s32 maximum; 1707 __s32 step; 1708 __s32 default_value; 1709 __u32 flags; 1710 __u32 reserved[2]; 1711 }; 1712 1713 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1714 struct v4l2_query_ext_ctrl { 1715 __u32 id; 1716 __u32 type; 1717 char name[32]; 1718 __s64 minimum; 1719 __s64 maximum; 1720 __u64 step; 1721 __s64 default_value; 1722 __u32 flags; 1723 __u32 elem_size; 1724 __u32 elems; 1725 __u32 nr_of_dims; 1726 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1727 __u32 reserved[32]; 1728 }; 1729 1730 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1731 struct v4l2_querymenu { 1732 __u32 id; 1733 __u32 index; 1734 union { 1735 __u8 name[32]; /* Whatever */ 1736 __s64 value; 1737 }; 1738 __u32 reserved; 1739 } __attribute__ ((packed)); 1740 1741 /* Control flags */ 1742 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1743 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1744 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1745 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1746 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1747 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1748 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1749 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1750 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1751 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1752 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1753 1754 /* Query flags, to be ORed with the control ID */ 1755 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1756 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1757 1758 /* User-class control IDs defined by V4L2 */ 1759 #define V4L2_CID_MAX_CTRLS 1024 1760 /* IDs reserved for driver specific controls */ 1761 #define V4L2_CID_PRIVATE_BASE 0x08000000 1762 1763 1764 /* 1765 * T U N I N G 1766 */ 1767 struct v4l2_tuner { 1768 __u32 index; 1769 __u8 name[32]; 1770 __u32 type; /* enum v4l2_tuner_type */ 1771 __u32 capability; 1772 __u32 rangelow; 1773 __u32 rangehigh; 1774 __u32 rxsubchans; 1775 __u32 audmode; 1776 __s32 signal; 1777 __s32 afc; 1778 __u32 reserved[4]; 1779 }; 1780 1781 struct v4l2_modulator { 1782 __u32 index; 1783 __u8 name[32]; 1784 __u32 capability; 1785 __u32 rangelow; 1786 __u32 rangehigh; 1787 __u32 txsubchans; 1788 __u32 type; /* enum v4l2_tuner_type */ 1789 __u32 reserved[3]; 1790 }; 1791 1792 /* Flags for the 'capability' field */ 1793 #define V4L2_TUNER_CAP_LOW 0x0001 1794 #define V4L2_TUNER_CAP_NORM 0x0002 1795 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1796 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1797 #define V4L2_TUNER_CAP_STEREO 0x0010 1798 #define V4L2_TUNER_CAP_LANG2 0x0020 1799 #define V4L2_TUNER_CAP_SAP 0x0020 1800 #define V4L2_TUNER_CAP_LANG1 0x0040 1801 #define V4L2_TUNER_CAP_RDS 0x0080 1802 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1803 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1804 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1805 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1806 #define V4L2_TUNER_CAP_1HZ 0x1000 1807 1808 /* Flags for the 'rxsubchans' field */ 1809 #define V4L2_TUNER_SUB_MONO 0x0001 1810 #define V4L2_TUNER_SUB_STEREO 0x0002 1811 #define V4L2_TUNER_SUB_LANG2 0x0004 1812 #define V4L2_TUNER_SUB_SAP 0x0004 1813 #define V4L2_TUNER_SUB_LANG1 0x0008 1814 #define V4L2_TUNER_SUB_RDS 0x0010 1815 1816 /* Values for the 'audmode' field */ 1817 #define V4L2_TUNER_MODE_MONO 0x0000 1818 #define V4L2_TUNER_MODE_STEREO 0x0001 1819 #define V4L2_TUNER_MODE_LANG2 0x0002 1820 #define V4L2_TUNER_MODE_SAP 0x0002 1821 #define V4L2_TUNER_MODE_LANG1 0x0003 1822 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1823 1824 struct v4l2_frequency { 1825 __u32 tuner; 1826 __u32 type; /* enum v4l2_tuner_type */ 1827 __u32 frequency; 1828 __u32 reserved[8]; 1829 }; 1830 1831 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1832 #define V4L2_BAND_MODULATION_FM (1 << 2) 1833 #define V4L2_BAND_MODULATION_AM (1 << 3) 1834 1835 struct v4l2_frequency_band { 1836 __u32 tuner; 1837 __u32 type; /* enum v4l2_tuner_type */ 1838 __u32 index; 1839 __u32 capability; 1840 __u32 rangelow; 1841 __u32 rangehigh; 1842 __u32 modulation; 1843 __u32 reserved[9]; 1844 }; 1845 1846 struct v4l2_hw_freq_seek { 1847 __u32 tuner; 1848 __u32 type; /* enum v4l2_tuner_type */ 1849 __u32 seek_upward; 1850 __u32 wrap_around; 1851 __u32 spacing; 1852 __u32 rangelow; 1853 __u32 rangehigh; 1854 __u32 reserved[5]; 1855 }; 1856 1857 /* 1858 * R D S 1859 */ 1860 1861 struct v4l2_rds_data { 1862 __u8 lsb; 1863 __u8 msb; 1864 __u8 block; 1865 } __attribute__ ((packed)); 1866 1867 #define V4L2_RDS_BLOCK_MSK 0x7 1868 #define V4L2_RDS_BLOCK_A 0 1869 #define V4L2_RDS_BLOCK_B 1 1870 #define V4L2_RDS_BLOCK_C 2 1871 #define V4L2_RDS_BLOCK_D 3 1872 #define V4L2_RDS_BLOCK_C_ALT 4 1873 #define V4L2_RDS_BLOCK_INVALID 7 1874 1875 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1876 #define V4L2_RDS_BLOCK_ERROR 0x80 1877 1878 /* 1879 * A U D I O 1880 */ 1881 struct v4l2_audio { 1882 __u32 index; 1883 __u8 name[32]; 1884 __u32 capability; 1885 __u32 mode; 1886 __u32 reserved[2]; 1887 }; 1888 1889 /* Flags for the 'capability' field */ 1890 #define V4L2_AUDCAP_STEREO 0x00001 1891 #define V4L2_AUDCAP_AVL 0x00002 1892 1893 /* Flags for the 'mode' field */ 1894 #define V4L2_AUDMODE_AVL 0x00001 1895 1896 struct v4l2_audioout { 1897 __u32 index; 1898 __u8 name[32]; 1899 __u32 capability; 1900 __u32 mode; 1901 __u32 reserved[2]; 1902 }; 1903 1904 /* 1905 * M P E G S E R V I C E S 1906 */ 1907 #if 1 1908 #define V4L2_ENC_IDX_FRAME_I (0) 1909 #define V4L2_ENC_IDX_FRAME_P (1) 1910 #define V4L2_ENC_IDX_FRAME_B (2) 1911 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1912 1913 struct v4l2_enc_idx_entry { 1914 __u64 offset; 1915 __u64 pts; 1916 __u32 length; 1917 __u32 flags; 1918 __u32 reserved[2]; 1919 }; 1920 1921 #define V4L2_ENC_IDX_ENTRIES (64) 1922 struct v4l2_enc_idx { 1923 __u32 entries; 1924 __u32 entries_cap; 1925 __u32 reserved[4]; 1926 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1927 }; 1928 1929 1930 #define V4L2_ENC_CMD_START (0) 1931 #define V4L2_ENC_CMD_STOP (1) 1932 #define V4L2_ENC_CMD_PAUSE (2) 1933 #define V4L2_ENC_CMD_RESUME (3) 1934 1935 /* Flags for V4L2_ENC_CMD_STOP */ 1936 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1937 1938 struct v4l2_encoder_cmd { 1939 __u32 cmd; 1940 __u32 flags; 1941 union { 1942 struct { 1943 __u32 data[8]; 1944 } raw; 1945 }; 1946 }; 1947 1948 /* Decoder commands */ 1949 #define V4L2_DEC_CMD_START (0) 1950 #define V4L2_DEC_CMD_STOP (1) 1951 #define V4L2_DEC_CMD_PAUSE (2) 1952 #define V4L2_DEC_CMD_RESUME (3) 1953 1954 /* Flags for V4L2_DEC_CMD_START */ 1955 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1956 1957 /* Flags for V4L2_DEC_CMD_PAUSE */ 1958 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1959 1960 /* Flags for V4L2_DEC_CMD_STOP */ 1961 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1962 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1963 1964 /* Play format requirements (returned by the driver): */ 1965 1966 /* The decoder has no special format requirements */ 1967 #define V4L2_DEC_START_FMT_NONE (0) 1968 /* The decoder requires full GOPs */ 1969 #define V4L2_DEC_START_FMT_GOP (1) 1970 1971 /* The structure must be zeroed before use by the application 1972 This ensures it can be extended safely in the future. */ 1973 struct v4l2_decoder_cmd { 1974 __u32 cmd; 1975 __u32 flags; 1976 union { 1977 struct { 1978 __u64 pts; 1979 } stop; 1980 1981 struct { 1982 /* 0 or 1000 specifies normal speed, 1983 1 specifies forward single stepping, 1984 -1 specifies backward single stepping, 1985 >1: playback at speed/1000 of the normal speed, 1986 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1987 __s32 speed; 1988 __u32 format; 1989 } start; 1990 1991 struct { 1992 __u32 data[16]; 1993 } raw; 1994 }; 1995 }; 1996 #endif 1997 1998 1999 /* 2000 * D A T A S E R V I C E S ( V B I ) 2001 * 2002 * Data services API by Michael Schimek 2003 */ 2004 2005 /* Raw VBI */ 2006 struct v4l2_vbi_format { 2007 __u32 sampling_rate; /* in 1 Hz */ 2008 __u32 offset; 2009 __u32 samples_per_line; 2010 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2011 __s32 start[2]; 2012 __u32 count[2]; 2013 __u32 flags; /* V4L2_VBI_* */ 2014 __u32 reserved[2]; /* must be zero */ 2015 }; 2016 2017 /* VBI flags */ 2018 #define V4L2_VBI_UNSYNC (1 << 0) 2019 #define V4L2_VBI_INTERLACED (1 << 1) 2020 2021 /* ITU-R start lines for each field */ 2022 #define V4L2_VBI_ITU_525_F1_START (1) 2023 #define V4L2_VBI_ITU_525_F2_START (264) 2024 #define V4L2_VBI_ITU_625_F1_START (1) 2025 #define V4L2_VBI_ITU_625_F2_START (314) 2026 2027 /* Sliced VBI 2028 * 2029 * This implements is a proposal V4L2 API to allow SLICED VBI 2030 * required for some hardware encoders. It should change without 2031 * notice in the definitive implementation. 2032 */ 2033 2034 struct v4l2_sliced_vbi_format { 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 io_size; 2042 __u32 reserved[2]; /* must be zero */ 2043 }; 2044 2045 /* Teletext World System Teletext 2046 (WST), defined on ITU-R BT.653-2 */ 2047 #define V4L2_SLICED_TELETEXT_B (0x0001) 2048 /* Video Program System, defined on ETS 300 231*/ 2049 #define V4L2_SLICED_VPS (0x0400) 2050 /* Closed Caption, defined on EIA-608 */ 2051 #define V4L2_SLICED_CAPTION_525 (0x1000) 2052 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2053 #define V4L2_SLICED_WSS_625 (0x4000) 2054 2055 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2056 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2057 2058 struct v4l2_sliced_vbi_cap { 2059 __u16 service_set; 2060 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2061 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2062 (equals frame lines 313-336 for 625 line video 2063 standards, 263-286 for 525 line standards) */ 2064 __u16 service_lines[2][24]; 2065 __u32 type; /* enum v4l2_buf_type */ 2066 __u32 reserved[3]; /* must be 0 */ 2067 }; 2068 2069 struct v4l2_sliced_vbi_data { 2070 __u32 id; 2071 __u32 field; /* 0: first field, 1: second field */ 2072 __u32 line; /* 1-23 */ 2073 __u32 reserved; /* must be 0 */ 2074 __u8 data[48]; 2075 }; 2076 2077 /* 2078 * Sliced VBI data inserted into MPEG Streams 2079 */ 2080 2081 /* 2082 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2083 * 2084 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2085 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2086 * data 2087 * 2088 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2089 * definitions are not included here. See the MPEG-2 specifications for details 2090 * on these headers. 2091 */ 2092 2093 /* Line type IDs */ 2094 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2095 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2096 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2097 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2098 2099 struct v4l2_mpeg_vbi_itv0_line { 2100 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2101 __u8 data[42]; /* Sliced VBI data for the line */ 2102 } __attribute__ ((packed)); 2103 2104 struct v4l2_mpeg_vbi_itv0 { 2105 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2106 struct v4l2_mpeg_vbi_itv0_line line[35]; 2107 } __attribute__ ((packed)); 2108 2109 struct v4l2_mpeg_vbi_ITV0 { 2110 struct v4l2_mpeg_vbi_itv0_line line[36]; 2111 } __attribute__ ((packed)); 2112 2113 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2114 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2115 2116 struct v4l2_mpeg_vbi_fmt_ivtv { 2117 __u8 magic[4]; 2118 union { 2119 struct v4l2_mpeg_vbi_itv0 itv0; 2120 struct v4l2_mpeg_vbi_ITV0 ITV0; 2121 }; 2122 } __attribute__ ((packed)); 2123 2124 /* 2125 * A G G R E G A T E S T R U C T U R E S 2126 */ 2127 2128 /** 2129 * struct v4l2_plane_pix_format - additional, per-plane format definition 2130 * @sizeimage: maximum size in bytes required for data, for which 2131 * this plane will be used 2132 * @bytesperline: distance in bytes between the leftmost pixels in two 2133 * adjacent lines 2134 */ 2135 struct v4l2_plane_pix_format { 2136 __u32 sizeimage; 2137 __u32 bytesperline; 2138 __u16 reserved[6]; 2139 } __attribute__ ((packed)); 2140 2141 /** 2142 * struct v4l2_pix_format_mplane - multiplanar format definition 2143 * @width: image width in pixels 2144 * @height: image height in pixels 2145 * @pixelformat: little endian four character code (fourcc) 2146 * @field: enum v4l2_field; field order (for interlaced video) 2147 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2148 * @plane_fmt: per-plane information 2149 * @num_planes: number of planes for this format 2150 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2151 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2152 * @quantization: enum v4l2_quantization, colorspace quantization 2153 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2154 */ 2155 struct v4l2_pix_format_mplane { 2156 __u32 width; 2157 __u32 height; 2158 __u32 pixelformat; 2159 __u32 field; 2160 __u32 colorspace; 2161 2162 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2163 __u8 num_planes; 2164 __u8 flags; 2165 union { 2166 __u8 ycbcr_enc; 2167 __u8 hsv_enc; 2168 }; 2169 __u8 quantization; 2170 __u8 xfer_func; 2171 __u8 reserved[7]; 2172 } __attribute__ ((packed)); 2173 2174 /** 2175 * struct v4l2_sdr_format - SDR format definition 2176 * @pixelformat: little endian four character code (fourcc) 2177 * @buffersize: maximum size in bytes required for data 2178 */ 2179 struct v4l2_sdr_format { 2180 __u32 pixelformat; 2181 __u32 buffersize; 2182 __u8 reserved[24]; 2183 } __attribute__ ((packed)); 2184 2185 /** 2186 * struct v4l2_meta_format - metadata format definition 2187 * @dataformat: little endian four character code (fourcc) 2188 * @buffersize: maximum size in bytes required for data 2189 */ 2190 struct v4l2_meta_format { 2191 __u32 dataformat; 2192 __u32 buffersize; 2193 } __attribute__ ((packed)); 2194 2195 /** 2196 * struct v4l2_format - stream data format 2197 * @type: enum v4l2_buf_type; type of the data stream 2198 * @pix: definition of an image format 2199 * @pix_mp: definition of a multiplanar image format 2200 * @win: definition of an overlaid image 2201 * @vbi: raw VBI capture or output parameters 2202 * @sliced: sliced VBI capture or output parameters 2203 * @raw_data: placeholder for future extensions and custom formats 2204 */ 2205 struct v4l2_format { 2206 __u32 type; 2207 union { 2208 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2209 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2210 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2211 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2212 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2213 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2214 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2215 __u8 raw_data[200]; /* user-defined */ 2216 } fmt; 2217 }; 2218 2219 /* Stream type-dependent parameters 2220 */ 2221 struct v4l2_streamparm { 2222 __u32 type; /* enum v4l2_buf_type */ 2223 union { 2224 struct v4l2_captureparm capture; 2225 struct v4l2_outputparm output; 2226 __u8 raw_data[200]; /* user-defined */ 2227 } parm; 2228 }; 2229 2230 /* 2231 * E V E N T S 2232 */ 2233 2234 #define V4L2_EVENT_ALL 0 2235 #define V4L2_EVENT_VSYNC 1 2236 #define V4L2_EVENT_EOS 2 2237 #define V4L2_EVENT_CTRL 3 2238 #define V4L2_EVENT_FRAME_SYNC 4 2239 #define V4L2_EVENT_SOURCE_CHANGE 5 2240 #define V4L2_EVENT_MOTION_DET 6 2241 #define V4L2_EVENT_PRIVATE_START 0x08000000 2242 2243 /* Payload for V4L2_EVENT_VSYNC */ 2244 struct v4l2_event_vsync { 2245 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2246 __u8 field; 2247 } __attribute__ ((packed)); 2248 2249 /* Payload for V4L2_EVENT_CTRL */ 2250 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2251 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2252 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2253 2254 struct v4l2_event_ctrl { 2255 __u32 changes; 2256 __u32 type; 2257 union { 2258 __s32 value; 2259 __s64 value64; 2260 }; 2261 __u32 flags; 2262 __s32 minimum; 2263 __s32 maximum; 2264 __s32 step; 2265 __s32 default_value; 2266 }; 2267 2268 struct v4l2_event_frame_sync { 2269 __u32 frame_sequence; 2270 }; 2271 2272 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2273 2274 struct v4l2_event_src_change { 2275 __u32 changes; 2276 }; 2277 2278 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2279 2280 /** 2281 * struct v4l2_event_motion_det - motion detection event 2282 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2283 * frame_sequence field is valid. 2284 * @frame_sequence: the frame sequence number associated with this event. 2285 * @region_mask: which regions detected motion. 2286 */ 2287 struct v4l2_event_motion_det { 2288 __u32 flags; 2289 __u32 frame_sequence; 2290 __u32 region_mask; 2291 }; 2292 2293 struct v4l2_event { 2294 __u32 type; 2295 union { 2296 struct v4l2_event_vsync vsync; 2297 struct v4l2_event_ctrl ctrl; 2298 struct v4l2_event_frame_sync frame_sync; 2299 struct v4l2_event_src_change src_change; 2300 struct v4l2_event_motion_det motion_det; 2301 __u8 data[64]; 2302 } u; 2303 __u32 pending; 2304 __u32 sequence; 2305 struct timespec timestamp; 2306 __u32 id; 2307 __u32 reserved[8]; 2308 }; 2309 2310 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2311 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2312 2313 struct v4l2_event_subscription { 2314 __u32 type; 2315 __u32 id; 2316 __u32 flags; 2317 __u32 reserved[5]; 2318 }; 2319 2320 /* 2321 * A D V A N C E D D E B U G G I N G 2322 * 2323 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2324 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2325 */ 2326 2327 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2328 2329 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2330 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2331 2332 /* The following four defines are no longer in use */ 2333 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2334 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2335 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2336 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2337 2338 struct v4l2_dbg_match { 2339 __u32 type; /* Match type */ 2340 union { /* Match this chip, meaning determined by type */ 2341 __u32 addr; 2342 char name[32]; 2343 }; 2344 } __attribute__ ((packed)); 2345 2346 struct v4l2_dbg_register { 2347 struct v4l2_dbg_match match; 2348 __u32 size; /* register size in bytes */ 2349 __u64 reg; 2350 __u64 val; 2351 } __attribute__ ((packed)); 2352 2353 #define V4L2_CHIP_FL_READABLE (1 << 0) 2354 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2355 2356 /* VIDIOC_DBG_G_CHIP_INFO */ 2357 struct v4l2_dbg_chip_info { 2358 struct v4l2_dbg_match match; 2359 char name[32]; 2360 __u32 flags; 2361 __u32 reserved[32]; 2362 } __attribute__ ((packed)); 2363 2364 /** 2365 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2366 * @index: on return, index of the first created buffer 2367 * @count: entry: number of requested buffers, 2368 * return: number of created buffers 2369 * @memory: enum v4l2_memory; buffer memory type 2370 * @format: frame format, for which buffers are requested 2371 * @capabilities: capabilities of this buffer type. 2372 * @reserved: future extensions 2373 */ 2374 struct v4l2_create_buffers { 2375 __u32 index; 2376 __u32 count; 2377 __u32 memory; 2378 struct v4l2_format format; 2379 __u32 capabilities; 2380 __u32 reserved[7]; 2381 }; 2382 2383 /* 2384 * 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 2385 * 2386 */ 2387 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2388 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2389 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2390 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2391 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2392 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2393 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2394 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2395 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2396 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2397 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2398 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2399 #define VIDIOC_STREAMON _IOW('V', 18, int) 2400 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2401 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2402 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2403 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2404 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2405 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2406 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2407 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2408 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2409 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2410 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2411 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2412 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2413 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2414 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2415 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2416 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2417 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2418 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2419 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2420 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2421 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2422 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2423 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2424 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2425 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2426 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2427 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2428 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2429 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2430 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2431 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2432 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2433 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2434 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2435 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2436 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2437 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2438 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2439 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2440 #define VIDIOC_LOG_STATUS _IO('V', 70) 2441 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2442 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2443 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2444 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2445 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2446 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2447 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2448 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2449 2450 /* 2451 * Experimental, meant for debugging, testing and internal use. 2452 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2453 * You must be root to use these ioctls. Never use these in applications! 2454 */ 2455 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2456 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2457 2458 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2459 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2460 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2461 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2462 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2463 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2464 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2465 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2466 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2467 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2468 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2469 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2470 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2471 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2472 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2473 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2474 2475 /* 2476 * Experimental, meant for debugging, testing and internal use. 2477 * Never use this in applications! 2478 */ 2479 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2480 2481 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2482 2483 /* Reminder: when adding new ioctls please add support for them to 2484 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2485 2486 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2487 2488 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2489