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