1/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
2/*
3 * Video for Linux Two header file
4 *
5 * Copyright (C) 1999-2012 the contributors
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * Alternatively you can redistribute this file under the terms of the
18 * BSD license as stated below:
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in
27 * the documentation and/or other materials provided with the
28 * distribution.
29 * 3. The names of its contributors may not be used to endorse or promote
30 * products derived from this software without specific prior written
31 * permission.
32 *
33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44 *
45 * Header file for v4l or V4L2 drivers and applications
46 * with public API.
47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
48 * no #if __KERNEL tests are allowed here
49 *
50 * See https://linuxtv.org for more info
51 *
52 * Author: Bill Dirks <bill@thedirks.org>
53 * Justin Schoeman
54 * Hans Verkuil <hverkuil@xs4all.nl>
55 * et al.
56 */
57#ifndef _UAPI__LINUX_VIDEODEV2_H
58#define _UAPI__LINUX_VIDEODEV2_H
59
60#ifndef __KERNEL__
61#include <sys/time.h>
62#endif
63#include <linux/compiler.h>
64#include <linux/ioctl.h>
65#include <linux/types.h>
66#include <linux/v4l2-common.h>
67#include <linux/v4l2-controls.h>
68
69/*
70 * Common stuff for both V4L1 and V4L2
71 * Moved from videodev.h
72 */
73#define VIDEO_MAX_FRAME 32
74#define VIDEO_MAX_PLANES 8
75
76/*
77 * M I S C E L L A N E O U S
78 */
79
80/* Four-character-code (FOURCC) */
81#define v4l2_fourcc(a, b, c, d)\
82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
83#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
84
85/*
86 * E N U M S
87 */
88enum 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
141enum 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#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
175
176enum v4l2_tuner_type {
177 V4L2_TUNER_RADIO = 1,
178 V4L2_TUNER_ANALOG_TV = 2,
179 V4L2_TUNER_DIGITAL_TV = 3,
180 V4L2_TUNER_SDR = 4,
181 V4L2_TUNER_RF = 5,
182};
183
184/* Deprecated, do not use */
185#define V4L2_TUNER_ADC V4L2_TUNER_SDR
186
187enum v4l2_memory {
188 V4L2_MEMORY_MMAP = 1,
189 V4L2_MEMORY_USERPTR = 2,
190 V4L2_MEMORY_OVERLAY = 3,
191 V4L2_MEMORY_DMABUF = 4,
192};
193
194/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
195enum v4l2_colorspace {
196 /*
197 * Default colorspace, i.e. let the driver figure it out.
198 * Can only be used with video capture.
199 */
200 V4L2_COLORSPACE_DEFAULT = 0,
201
202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
203 V4L2_COLORSPACE_SMPTE170M = 1,
204
205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
206 V4L2_COLORSPACE_SMPTE240M = 2,
207
208 /* Rec.709: used for HDTV */
209 V4L2_COLORSPACE_REC709 = 3,
210
211 /*
212 * Deprecated, do not use. No driver will ever return this. This was
213 * based on a misunderstanding of the bt878 datasheet.
214 */
215 V4L2_COLORSPACE_BT878 = 4,
216
217 /*
218 * NTSC 1953 colorspace. This only makes sense when dealing with
219 * really, really old NTSC recordings. Superseded by SMPTE 170M.
220 */
221 V4L2_COLORSPACE_470_SYSTEM_M = 5,
222
223 /*
224 * EBU Tech 3213 PAL/SECAM colorspace.
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#ifdef __KERNEL__
250 /*
251 * Largest supported colorspace value, assigned by the compiler, used
252 * by the framework to check for invalid values.
253 */
254 V4L2_COLORSPACE_LAST,
255#endif
256};
257
258/*
259 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
260 * This depends on whether this is a SDTV image (use SMPTE 170M), an
261 * HDTV image (use Rec. 709), or something else (use sRGB).
262 */
263#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
264 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
265 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
266
267enum v4l2_xfer_func {
268 /*
269 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
270 * for the various colorspaces:
271 *
272 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
273 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
274 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
275 *
276 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
277 *
278 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
279 *
280 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
281 *
282 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
283 *
284 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
285 */
286 V4L2_XFER_FUNC_DEFAULT = 0,
287 V4L2_XFER_FUNC_709 = 1,
288 V4L2_XFER_FUNC_SRGB = 2,
289 V4L2_XFER_FUNC_OPRGB = 3,
290 V4L2_XFER_FUNC_SMPTE240M = 4,
291 V4L2_XFER_FUNC_NONE = 5,
292 V4L2_XFER_FUNC_DCI_P3 = 6,
293 V4L2_XFER_FUNC_SMPTE2084 = 7,
294#ifdef __KERNEL__
295 /*
296 * Largest supported transfer function value, assigned by the compiler,
297 * used by the framework to check for invalid values.
298 */
299 V4L2_XFER_FUNC_LAST,
300#endif
301};
302
303/*
304 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
305 * This depends on the colorspace.
306 */
307#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
308 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
309 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
310 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
311 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
312 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
313 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
314
315enum v4l2_ycbcr_encoding {
316 /*
317 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
318 * various colorspaces:
319 *
320 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
321 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
322 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
323 *
324 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
325 *
326 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
327 *
328 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
329 */
330 V4L2_YCBCR_ENC_DEFAULT = 0,
331
332 /* ITU-R 601 -- SDTV */
333 V4L2_YCBCR_ENC_601 = 1,
334
335 /* Rec. 709 -- HDTV */
336 V4L2_YCBCR_ENC_709 = 2,
337
338 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
339 V4L2_YCBCR_ENC_XV601 = 3,
340
341 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
342 V4L2_YCBCR_ENC_XV709 = 4,
343
344#ifndef __KERNEL__
345 /*
346 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
347 * originally due to a misunderstanding of the sYCC standard. It should
348 * not be used, instead use V4L2_YCBCR_ENC_601.
349 */
350 V4L2_YCBCR_ENC_SYCC = 5,
351#endif
352
353 /* BT.2020 Non-constant Luminance Y'CbCr */
354 V4L2_YCBCR_ENC_BT2020 = 6,
355
356 /* BT.2020 Constant Luminance Y'CbcCrc */
357 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
358
359 /* SMPTE 240M -- Obsolete HDTV */
360 V4L2_YCBCR_ENC_SMPTE240M = 8,
361#ifdef __KERNEL__
362 /*
363 * Largest supported encoding value, assigned by the compiler, used by
364 * the framework to check for invalid values.
365 */
366 V4L2_YCBCR_ENC_LAST,
367#endif
368};
369
370/*
371 * enum v4l2_hsv_encoding values should not collide with the ones from
372 * enum v4l2_ycbcr_encoding.
373 */
374enum v4l2_hsv_encoding {
375
376 /* Hue mapped to 0 - 179 */
377 V4L2_HSV_ENC_180 = 128,
378
379 /* Hue mapped to 0-255 */
380 V4L2_HSV_ENC_256 = 129,
381};
382
383/*
384 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
385 * This depends on the colorspace.
386 */
387#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
388 (((colsp) == V4L2_COLORSPACE_REC709 || \
389 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
390 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
391 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
392 V4L2_YCBCR_ENC_601)))
393
394enum v4l2_quantization {
395 /*
396 * The default for R'G'B' quantization is always full range.
397 * For Y'CbCr the quantization is always limited range, except
398 * for COLORSPACE_JPEG: this is full range.
399 */
400 V4L2_QUANTIZATION_DEFAULT = 0,
401 V4L2_QUANTIZATION_FULL_RANGE = 1,
402 V4L2_QUANTIZATION_LIM_RANGE = 2,
403};
404
405/*
406 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
407 * This depends on whether the image is RGB or not, the colorspace.
408 * The Y'CbCr encoding is not used anymore, but is still there for backwards
409 * compatibility.
410 */
411#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
412 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
413 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
414
415/*
416 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
417 *
418 * WARNING: Please don't use these deprecated defines in your code, as
419 * there is a chance we have to remove them in the future.
420 */
421#ifndef __KERNEL__
422#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
423#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
424#endif
425
426enum v4l2_priority {
427 V4L2_PRIORITY_UNSET = 0, /* not initialized */
428 V4L2_PRIORITY_BACKGROUND = 1,
429 V4L2_PRIORITY_INTERACTIVE = 2,
430 V4L2_PRIORITY_RECORD = 3,
431 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
432};
433
434struct v4l2_rect {
435 __s32 left;
436 __s32 top;
437 __u32 width;
438 __u32 height;
439};
440
441struct v4l2_fract {
442 __u32 numerator;
443 __u32 denominator;
444};
445
446struct v4l2_area {
447 __u32 width;
448 __u32 height;
449};
450
451/**
452 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
453 *
454 * @driver: name of the driver module (e.g. "bttv")
455 * @card: name of the card (e.g. "Hauppauge WinTV")
456 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
457 * @version: KERNEL_VERSION
458 * @capabilities: capabilities of the physical device as a whole
459 * @device_caps: capabilities accessed via this particular device (node)
460 * @reserved: reserved fields for future extensions
461 */
462struct v4l2_capability {
463 __u8 driver[16];
464 __u8 card[32];
465 __u8 bus_info[32];
466 __u32 version;
467 __u32 capabilities;
468 __u32 device_caps;
469 __u32 reserved[3];
470};
471
472/* Values for 'capabilities' field */
473#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
474#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
475#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
476#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
477#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
478#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
479#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
480#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
481#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
482#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
483#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
484
485/* Is a video capture device that supports multiplanar formats */
486#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
487/* Is a video output device that supports multiplanar formats */
488#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
489/* Is a video mem-to-mem device that supports multiplanar formats */
490#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
491/* Is a video mem-to-mem device */
492#define V4L2_CAP_VIDEO_M2M 0x00008000
493
494#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
495#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
496#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
497#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
498
499#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
500#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
501#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
502#define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
503
504#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
505#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
506#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
507#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
508
509#define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
510
511#define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
512
513#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
514
515/*
516 * V I D E O I M A G E F O R M A T
517 */
518struct v4l2_pix_format {
519 __u32 width;
520 __u32 height;
521 __u32 pixelformat;
522 __u32 field; /* enum v4l2_field */
523 __u32 bytesperline; /* for padding, zero if unused */
524 __u32 sizeimage;
525 __u32 colorspace; /* enum v4l2_colorspace */
526 __u32 priv; /* private data, depends on pixelformat */
527 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
528 union {
529 /* enum v4l2_ycbcr_encoding */
530 __u32 ycbcr_enc;
531 /* enum v4l2_hsv_encoding */
532 __u32 hsv_enc;
533 };
534 __u32 quantization; /* enum v4l2_quantization */
535 __u32 xfer_func; /* enum v4l2_xfer_func */
536};
537
538/* Pixel format FOURCC depth Description */
539
540/* RGB formats (1 or 2 bytes per pixel) */
541#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
542#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
543#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
544#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
545#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
546#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
547#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
548#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
549#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
550#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
551#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
552#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
553#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
554#define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
555#define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
556#define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
557#define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
558#define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
559#define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
560#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
561#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
562#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
563#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
564#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
565
566/* RGB formats (3 or 4 bytes per pixel) */
567#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
568#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
569#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
570#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
571#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
572#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
573#define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
574#define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
575#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
576#define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
577#define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
578#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
579#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
580
581/* Grey formats */
582#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
583#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
584#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
585#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
586#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
587#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
588#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
589#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
590
591/* Grey bit-packed formats */
592#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
593#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
594#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
595
596/* Palette formats */
597#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
598
599/* Chrominance formats */
600#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
601
602/* Luminance+Chrominance formats */
603#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
604#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
605#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
606#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
607#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
608#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
609#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
610#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
611#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
612#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
613#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
614#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
615#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
616#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
617#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
618#define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
619#define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
620#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
621
622/* two planes -- one Y, one Cr + Cb interleaved */
623#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
624#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
625#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
626#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
627#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
628#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
629#define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
630
631/* two non contiguous planes - one Y, one Cr + Cb interleaved */
632#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
633#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
634#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
635#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
636
637/* three planes - Y Cb, Cr */
638#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
639#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
640#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
641#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
642#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
643#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
644
645/* three non contiguous planes - Y, Cb, Cr */
646#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
647#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
648#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
649#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
650#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
651#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
652
653/* Tiled YUV formats */
654#define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
655#define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
656#define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
657#define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
658
659/* Tiled YUV formats, non contiguous planes */
660#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
661#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
662#define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
663#define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
664
665/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
666#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
667#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
668#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
669#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
670#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
671#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
672#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
673#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
674 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
675#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
676#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
677#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
678#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
679 /* 10bit raw bayer a-law compressed to 8 bits */
680#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
681#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
682#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
683#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
684 /* 10bit raw bayer DPCM compressed to 8 bits */
685#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
686#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
687#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
688#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
689#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
690#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
691#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
692#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
693 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
694#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
695#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
696#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
697#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
698#define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
699#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
700#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
701#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
702 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
703#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
704#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
705#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
706#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
707#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
708#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
709#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
710#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
711
712/* HSV formats */
713#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
714#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
715
716/* compressed formats */
717#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
718#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
719#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
720#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
721#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
722#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
723#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
724#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
725#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
726#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
727#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
728#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
729#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
730#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
731#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
732#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
733#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
734#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
735#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
736#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
737#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
738#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
739#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
740#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
741
742/* Vendor-specific formats */
743#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
744#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
745#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
746#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
747#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
748#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
749#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
750#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
751#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
752#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
753#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
754#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
755#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
756#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
757#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
758#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
759#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
760#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
761#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
762#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
763#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
764#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
765#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
766#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
767#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
768#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
769#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
770#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
771#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
772#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
773#define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
774#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
775#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
776#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
777#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
778#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
779
780/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
781#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
782#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
783#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
784#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
785
786/* SDR formats - used only for Software Defined Radio devices */
787#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
788#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
789#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
790#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
791#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
792#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
793#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
794#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
795
796/* Touch formats - used for Touch devices */
797#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
798#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
799#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
800#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
801
802/* Meta-data formats */
803#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
804#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
805#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
806#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
807#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
808
809/* Vendor specific - used for RK_ISP1 camera sub-system */
810#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
811#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
812
813/* priv field value to indicates that subsequent fields are valid. */
814#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
815
816/* Flags */
817#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
818#define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
819
820/*
821 * F O R M A T E N U M E R A T I O N
822 */
823struct v4l2_fmtdesc {
824 __u32 index; /* Format number */
825 __u32 type; /* enum v4l2_buf_type */
826 __u32 flags;
827 __u8 description[32]; /* Description string */
828 __u32 pixelformat; /* Format fourcc */
829 __u32 mbus_code; /* Media bus code */
830 __u32 reserved[3];
831};
832
833#define V4L2_FMT_FLAG_COMPRESSED 0x0001
834#define V4L2_FMT_FLAG_EMULATED 0x0002
835#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
836#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
837#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
838#define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
839#define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
840#define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
841#define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
842#define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
843
844 /* Frame Size and frame rate enumeration */
845/*
846 * F R A M E S I Z E E N U M E R A T I O N
847 */
848enum v4l2_frmsizetypes {
849 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
850 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
851 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
852};
853
854struct v4l2_frmsize_discrete {
855 __u32 width; /* Frame width [pixel] */
856 __u32 height; /* Frame height [pixel] */
857};
858
859struct v4l2_frmsize_stepwise {
860 __u32 min_width; /* Minimum frame width [pixel] */
861 __u32 max_width; /* Maximum frame width [pixel] */
862 __u32 step_width; /* Frame width step size [pixel] */
863 __u32 min_height; /* Minimum frame height [pixel] */
864 __u32 max_height; /* Maximum frame height [pixel] */
865 __u32 step_height; /* Frame height step size [pixel] */
866};
867
868struct v4l2_frmsizeenum {
869 __u32 index; /* Frame size number */
870 __u32 pixel_format; /* Pixel format */
871 __u32 type; /* Frame size type the device supports. */
872
873 union { /* Frame size */
874 struct v4l2_frmsize_discrete discrete;
875 struct v4l2_frmsize_stepwise stepwise;
876 };
877
878 __u32 reserved[2]; /* Reserved space for future use */
879};
880
881/*
882 * F R A M E R A T E E N U M E R A T I O N
883 */
884enum v4l2_frmivaltypes {
885 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
886 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
887 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
888};
889
890struct v4l2_frmival_stepwise {
891 struct v4l2_fract min; /* Minimum frame interval [s] */
892 struct v4l2_fract max; /* Maximum frame interval [s] */
893 struct v4l2_fract step; /* Frame interval step size [s] */
894};
895
896struct v4l2_frmivalenum {
897 __u32 index; /* Frame format index */
898 __u32 pixel_format; /* Pixel format */
899 __u32 width; /* Frame width */
900 __u32 height; /* Frame height */
901 __u32 type; /* Frame interval type the device supports. */
902
903 union { /* Frame interval */
904 struct v4l2_fract discrete;
905 struct v4l2_frmival_stepwise stepwise;
906 };
907
908 __u32 reserved[2]; /* Reserved space for future use */
909};
910
911/*
912 * T I M E C O D E
913 */
914struct v4l2_timecode {
915 __u32 type;
916 __u32 flags;
917 __u8 frames;
918 __u8 seconds;
919 __u8 minutes;
920 __u8 hours;
921 __u8 userbits[4];
922};
923
924/* Type */
925#define V4L2_TC_TYPE_24FPS 1
926#define V4L2_TC_TYPE_25FPS 2
927#define V4L2_TC_TYPE_30FPS 3
928#define V4L2_TC_TYPE_50FPS 4
929#define V4L2_TC_TYPE_60FPS 5
930
931/* Flags */
932#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
933#define V4L2_TC_FLAG_COLORFRAME 0x0002
934#define V4L2_TC_USERBITS_field 0x000C
935#define V4L2_TC_USERBITS_USERDEFINED 0x0000
936#define V4L2_TC_USERBITS_8BITCHARS 0x0008
937/* The above is based on SMPTE timecodes */
938
939struct v4l2_jpegcompression {
940 int quality;
941
942 int APPn; /* Number of APP segment to be written,
943 * must be 0..15 */
944 int APP_len; /* Length of data in JPEG APPn segment */
945 char APP_data[60]; /* Data in the JPEG APPn segment. */
946
947 int COM_len; /* Length of data in JPEG COM segment */
948 char COM_data[60]; /* Data in JPEG COM segment */
949
950 __u32 jpeg_markers; /* Which markers should go into the JPEG
951 * output. Unless you exactly know what
952 * you do, leave them untouched.
953 * Including less markers will make the
954 * resulting code smaller, but there will
955 * be fewer applications which can read it.
956 * The presence of the APP and COM marker
957 * is influenced by APP_len and COM_len
958 * ONLY, not by this property! */
959
960#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
961#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
962#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
963#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
964#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
965 * always use APP0 */
966};
967
968/*
969 * M E M O R Y - M A P P I N G B U F F E R S
970 */
971
972#ifdef __KERNEL__
973/*
974 * This corresponds to the user space version of timeval
975 * for 64-bit time_t. sparc64 is different from everyone
976 * else, using the microseconds in the wrong half of the
977 * second 64-bit word.
978 */
979struct __kernel_v4l2_timeval {
980 long long tv_sec;
981#if defined(__sparc__) && defined(__arch64__)
982 int tv_usec;
983 int __pad;
984#else
985 long long tv_usec;
986#endif
987};
988#endif
989
990struct v4l2_requestbuffers {
991 __u32 count;
992 __u32 type; /* enum v4l2_buf_type */
993 __u32 memory; /* enum v4l2_memory */
994 __u32 capabilities;
995 __u8 flags;
996 __u8 reserved[3];
997};
998
999#define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
1000
1001/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1002#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
1003#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
1004#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
1005#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
1006#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
1007#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
1008#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
1009
1010/**
1011 * struct v4l2_plane - plane info for multi-planar buffers
1012 * @bytesused: number of bytes occupied by data in the plane (payload)
1013 * @length: size of this plane (NOT the payload) in bytes
1014 * @mem_offset: when memory in the associated struct v4l2_buffer is
1015 * V4L2_MEMORY_MMAP, equals the offset from the start of
1016 * the device memory for this plane (or is a "cookie" that
1017 * should be passed to mmap() called on the video node)
1018 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1019 * pointing to this plane
1020 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1021 * descriptor associated with this plane
1022 * @m: union of @mem_offset, @userptr and @fd
1023 * @data_offset: offset in the plane to the start of data; usually 0,
1024 * unless there is a header in front of the data
1025 * @reserved: drivers and applications must zero this array
1026 *
1027 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1028 * with two planes can have one plane for Y, and another for interleaved CbCr
1029 * components. Each plane can reside in a separate memory buffer, or even in
1030 * a completely separate memory node (e.g. in embedded devices).
1031 */
1032struct v4l2_plane {
1033 __u32 bytesused;
1034 __u32 length;
1035 union {
1036 __u32 mem_offset;
1037 unsigned long userptr;
1038 __s32 fd;
1039 } m;
1040 __u32 data_offset;
1041 __u32 reserved[11];
1042};
1043
1044/**
1045 * struct v4l2_buffer - video buffer info
1046 * @index: id number of the buffer
1047 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1048 * multiplanar buffers);
1049 * @bytesused: number of bytes occupied by data in the buffer (payload);
1050 * unused (set to 0) for multiplanar buffers
1051 * @flags: buffer informational flags
1052 * @field: enum v4l2_field; field order of the image in the buffer
1053 * @timestamp: frame timestamp
1054 * @timecode: frame timecode
1055 * @sequence: sequence count of this frame
1056 * @memory: enum v4l2_memory; the method, in which the actual video data is
1057 * passed
1058 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1059 * offset from the start of the device memory for this plane,
1060 * (or a "cookie" that should be passed to mmap() as offset)
1061 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1062 * a userspace pointer pointing to this buffer
1063 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1064 * a userspace file descriptor associated with this buffer
1065 * @planes: for multiplanar buffers; userspace pointer to the array of plane
1066 * info structs for this buffer
1067 * @m: union of @offset, @userptr, @planes and @fd
1068 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1069 * buffers (when type != *_MPLANE); number of elements in the
1070 * planes array for multi-plane buffers
1071 * @reserved2: drivers and applications must zero this field
1072 * @request_fd: fd of the request that this buffer should use
1073 * @reserved: for backwards compatibility with applications that do not know
1074 * about @request_fd
1075 *
1076 * Contains data exchanged by application and driver using one of the Streaming
1077 * I/O methods.
1078 */
1079struct v4l2_buffer {
1080 __u32 index;
1081 __u32 type;
1082 __u32 bytesused;
1083 __u32 flags;
1084 __u32 field;
1085#ifdef __KERNEL__
1086 struct __kernel_v4l2_timeval timestamp;
1087#else
1088 struct timeval timestamp;
1089#endif
1090 struct v4l2_timecode timecode;
1091 __u32 sequence;
1092
1093 /* memory location */
1094 __u32 memory;
1095 union {
1096 __u32 offset;
1097 unsigned long userptr;
1098 struct v4l2_plane *planes;
1099 __s32 fd;
1100 } m;
1101 __u32 length;
1102 __u32 reserved2;
1103 union {
1104 __s32 request_fd;
1105 __u32 reserved;
1106 };
1107};
1108
1109#ifndef __KERNEL__
1110/**
1111 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1112 * @tv: pointer to the timeval variable to be converted
1113 *
1114 * Returns the scalar nanosecond representation of the timeval
1115 * parameter.
1116 */
1117static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1118{
1119 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1120}
1121#endif
1122
1123/* Flags for 'flags' field */
1124/* Buffer is mapped (flag) */
1125#define V4L2_BUF_FLAG_MAPPED 0x00000001
1126/* Buffer is queued for processing */
1127#define V4L2_BUF_FLAG_QUEUED 0x00000002
1128/* Buffer is ready */
1129#define V4L2_BUF_FLAG_DONE 0x00000004
1130/* Image is a keyframe (I-frame) */
1131#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1132/* Image is a P-frame */
1133#define V4L2_BUF_FLAG_PFRAME 0x00000010
1134/* Image is a B-frame */
1135#define V4L2_BUF_FLAG_BFRAME 0x00000020
1136/* Buffer is ready, but the data contained within is corrupted. */
1137#define V4L2_BUF_FLAG_ERROR 0x00000040
1138/* Buffer is added to an unqueued request */
1139#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1140/* timecode field is valid */
1141#define V4L2_BUF_FLAG_TIMECODE 0x00000100
1142/* Don't return the capture buffer until OUTPUT timestamp changes */
1143#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1144/* Buffer is prepared for queuing */
1145#define V4L2_BUF_FLAG_PREPARED 0x00000400
1146/* Cache handling flags */
1147#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1148#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1149/* Timestamp type */
1150#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1151#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1152#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1153#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1154/* Timestamp sources. */
1155#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1156#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1157#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1158/* mem2mem encoder/decoder */
1159#define V4L2_BUF_FLAG_LAST 0x00100000
1160/* request_fd is valid */
1161#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1162
1163/**
1164 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1165 *
1166 * @index: id number of the buffer
1167 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1168 * multiplanar buffers);
1169 * @plane: index of the plane to be exported, 0 for single plane queues
1170 * @flags: flags for newly created file, currently only O_CLOEXEC is
1171 * supported, refer to manual of open syscall for more details
1172 * @fd: file descriptor associated with DMABUF (set by driver)
1173 * @reserved: drivers and applications must zero this array
1174 *
1175 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1176 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1177 * (identical to the cookie used to mmap() the buffer to userspace). All
1178 * reserved fields must be set to zero. The field reserved0 is expected to
1179 * become a structure 'type' allowing an alternative layout of the structure
1180 * content. Therefore this field should not be used for any other extensions.
1181 */
1182struct v4l2_exportbuffer {
1183 __u32 type; /* enum v4l2_buf_type */
1184 __u32 index;
1185 __u32 plane;
1186 __u32 flags;
1187 __s32 fd;
1188 __u32 reserved[11];
1189};
1190
1191/*
1192 * O V E R L A Y P R E V I E W
1193 */
1194struct v4l2_framebuffer {
1195 __u32 capability;
1196 __u32 flags;
1197/* FIXME: in theory we should pass something like PCI device + memory
1198 * region + offset instead of some physical address */
1199 void *base;
1200 struct {
1201 __u32 width;
1202 __u32 height;
1203 __u32 pixelformat;
1204 __u32 field; /* enum v4l2_field */
1205 __u32 bytesperline; /* for padding, zero if unused */
1206 __u32 sizeimage;
1207 __u32 colorspace; /* enum v4l2_colorspace */
1208 __u32 priv; /* reserved field, set to 0 */
1209 } fmt;
1210};
1211/* Flags for the 'capability' field. Read only */
1212#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1213#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1214#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1215#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1216#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1217#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1218#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1219#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1220/* Flags for the 'flags' field. */
1221#define V4L2_FBUF_FLAG_PRIMARY 0x0001
1222#define V4L2_FBUF_FLAG_OVERLAY 0x0002
1223#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1224#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1225#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1226#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1227#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1228
1229struct v4l2_clip {
1230 struct v4l2_rect c;
1231 struct v4l2_clip __user *next;
1232};
1233
1234struct v4l2_window {
1235 struct v4l2_rect w;
1236 __u32 field; /* enum v4l2_field */
1237 __u32 chromakey;
1238 struct v4l2_clip *clips;
1239 __u32 clipcount;
1240 void __user *bitmap;
1241 __u8 global_alpha;
1242};
1243
1244/*
1245 * C A P T U R E P A R A M E T E R S
1246 */
1247struct v4l2_captureparm {
1248 __u32 capability; /* Supported modes */
1249 __u32 capturemode; /* Current mode */
1250 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1251 __u32 extendedmode; /* Driver-specific extensions */
1252 __u32 readbuffers; /* # of buffers for read */
1253 __u32 reserved[4];
1254};
1255
1256/* Flags for 'capability' and 'capturemode' fields */
1257#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1258#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1259
1260struct v4l2_outputparm {
1261 __u32 capability; /* Supported modes */
1262 __u32 outputmode; /* Current mode */
1263 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1264 __u32 extendedmode; /* Driver-specific extensions */
1265 __u32 writebuffers; /* # of buffers for write */
1266 __u32 reserved[4];
1267};
1268
1269/*
1270 * I N P U T I M A G E C R O P P I N G
1271 */
1272struct v4l2_cropcap {
1273 __u32 type; /* enum v4l2_buf_type */
1274 struct v4l2_rect bounds;
1275 struct v4l2_rect defrect;
1276 struct v4l2_fract pixelaspect;
1277};
1278
1279struct v4l2_crop {
1280 __u32 type; /* enum v4l2_buf_type */
1281 struct v4l2_rect c;
1282};
1283
1284/**
1285 * struct v4l2_selection - selection info
1286 * @type: buffer type (do not use *_MPLANE types)
1287 * @target: Selection target, used to choose one of possible rectangles;
1288 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1289 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1290 * @r: coordinates of selection window
1291 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1292 *
1293 * Hardware may use multiple helper windows to process a video stream.
1294 * The structure is used to exchange this selection areas between
1295 * an application and a driver.
1296 */
1297struct v4l2_selection {
1298 __u32 type;
1299 __u32 target;
1300 __u32 flags;
1301 struct v4l2_rect r;
1302 __u32 reserved[9];
1303};
1304
1305
1306/*
1307 * A N A L O G V I D E O S T A N D A R D
1308 */
1309
1310typedef __u64 v4l2_std_id;
1311
1312/*
1313 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1314 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1315 */
1316/* one bit for each */
1317#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1318#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1319#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1320#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1321#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1322#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1323#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1324#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1325
1326#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1327#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1328#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1329#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1330
1331#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1332#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1333#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1334#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1335
1336#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1337#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1338#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1339#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1340#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1341#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1342#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1343#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1344
1345/* ATSC/HDTV */
1346#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1347#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1348
1349/* FIXME:
1350 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1351 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1352 this value to 32 bits.
1353 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1354 it should work fine. However, if needed to add more than two standards,
1355 v4l2-common.c should be fixed.
1356 */
1357
1358/*
1359 * Some macros to merge video standards in order to make live easier for the
1360 * drivers and V4L2 applications
1361 */
1362
1363/*
1364 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1365 * Missing here.
1366 */
1367#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1368 V4L2_STD_NTSC_M_JP |\
1369 V4L2_STD_NTSC_M_KR)
1370/* Secam macros */
1371#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1372 V4L2_STD_SECAM_K |\
1373 V4L2_STD_SECAM_K1)
1374/* All Secam Standards */
1375#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1376 V4L2_STD_SECAM_G |\
1377 V4L2_STD_SECAM_H |\
1378 V4L2_STD_SECAM_DK |\
1379 V4L2_STD_SECAM_L |\
1380 V4L2_STD_SECAM_LC)
1381/* PAL macros */
1382#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1383 V4L2_STD_PAL_B1 |\
1384 V4L2_STD_PAL_G)
1385#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1386 V4L2_STD_PAL_D1 |\
1387 V4L2_STD_PAL_K)
1388/*
1389 * "Common" PAL - This macro is there to be compatible with the old
1390 * V4L1 concept of "PAL": /BGDKHI.
1391 * Several PAL standards are missing here: /M, /N and /Nc
1392 */
1393#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1394 V4L2_STD_PAL_DK |\
1395 V4L2_STD_PAL_H |\
1396 V4L2_STD_PAL_I)
1397/* Chroma "agnostic" standards */
1398#define V4L2_STD_B (V4L2_STD_PAL_B |\
1399 V4L2_STD_PAL_B1 |\
1400 V4L2_STD_SECAM_B)
1401#define V4L2_STD_G (V4L2_STD_PAL_G |\
1402 V4L2_STD_SECAM_G)
1403#define V4L2_STD_H (V4L2_STD_PAL_H |\
1404 V4L2_STD_SECAM_H)
1405#define V4L2_STD_L (V4L2_STD_SECAM_L |\
1406 V4L2_STD_SECAM_LC)
1407#define V4L2_STD_GH (V4L2_STD_G |\
1408 V4L2_STD_H)
1409#define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1410 V4L2_STD_SECAM_DK)
1411#define V4L2_STD_BG (V4L2_STD_B |\
1412 V4L2_STD_G)
1413#define V4L2_STD_MN (V4L2_STD_PAL_M |\
1414 V4L2_STD_PAL_N |\
1415 V4L2_STD_PAL_Nc |\
1416 V4L2_STD_NTSC)
1417
1418/* Standards where MTS/BTSC stereo could be found */
1419#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1420 V4L2_STD_PAL_M |\
1421 V4L2_STD_PAL_N |\
1422 V4L2_STD_PAL_Nc)
1423
1424/* Standards for Countries with 60Hz Line frequency */
1425#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1426 V4L2_STD_PAL_60 |\
1427 V4L2_STD_NTSC |\
1428 V4L2_STD_NTSC_443)
1429/* Standards for Countries with 50Hz Line frequency */
1430#define V4L2_STD_625_50 (V4L2_STD_PAL |\
1431 V4L2_STD_PAL_N |\
1432 V4L2_STD_PAL_Nc |\
1433 V4L2_STD_SECAM)
1434
1435#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1436 V4L2_STD_ATSC_16_VSB)
1437/* Macros with none and all analog standards */
1438#define V4L2_STD_UNKNOWN 0
1439#define V4L2_STD_ALL (V4L2_STD_525_60 |\
1440 V4L2_STD_625_50)
1441
1442struct v4l2_standard {
1443 __u32 index;
1444 v4l2_std_id id;
1445 __u8 name[24];
1446 struct v4l2_fract frameperiod; /* Frames, not fields */
1447 __u32 framelines;
1448 __u32 reserved[4];
1449};
1450
1451/*
1452 * D V B T T I M I N G S
1453 */
1454
1455/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1456 * @width: total width of the active video in pixels
1457 * @height: total height of the active video in lines
1458 * @interlaced: Interlaced or progressive
1459 * @polarities: Positive or negative polarities
1460 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1461 * @hfrontporch:Horizontal front porch in pixels
1462 * @hsync: Horizontal Sync length in pixels
1463 * @hbackporch: Horizontal back porch in pixels
1464 * @vfrontporch:Vertical front porch in lines
1465 * @vsync: Vertical Sync length in lines
1466 * @vbackporch: Vertical back porch in lines
1467 * @il_vfrontporch:Vertical front porch for the even field
1468 * (aka field 2) of interlaced field formats
1469 * @il_vsync: Vertical Sync length for the even field
1470 * (aka field 2) of interlaced field formats
1471 * @il_vbackporch:Vertical back porch for the even field
1472 * (aka field 2) of interlaced field formats
1473 * @standards: Standards the timing belongs to
1474 * @flags: Flags
1475 * @picture_aspect: The picture aspect ratio (hor/vert).
1476 * @cea861_vic: VIC code as per the CEA-861 standard.
1477 * @hdmi_vic: VIC code as per the HDMI standard.
1478 * @reserved: Reserved fields, must be zeroed.
1479 *
1480 * A note regarding vertical interlaced timings: height refers to the total
1481 * height of the active video frame (= two fields). The blanking timings refer
1482 * to the blanking of each field. So the height of the total frame is
1483 * calculated as follows:
1484 *
1485 * tot_height = height + vfrontporch + vsync + vbackporch +
1486 * il_vfrontporch + il_vsync + il_vbackporch
1487 *
1488 * The active height of each field is height / 2.
1489 */
1490struct v4l2_bt_timings {
1491 __u32 width;
1492 __u32 height;
1493 __u32 interlaced;
1494 __u32 polarities;
1495 __u64 pixelclock;
1496 __u32 hfrontporch;
1497 __u32 hsync;
1498 __u32 hbackporch;
1499 __u32 vfrontporch;
1500 __u32 vsync;
1501 __u32 vbackporch;
1502 __u32 il_vfrontporch;
1503 __u32 il_vsync;
1504 __u32 il_vbackporch;
1505 __u32 standards;
1506 __u32 flags;
1507 struct v4l2_fract picture_aspect;
1508 __u8 cea861_vic;
1509 __u8 hdmi_vic;
1510 __u8 reserved[46];
1511} __attribute__ ((packed));
1512
1513/* Interlaced or progressive format */
1514#define V4L2_DV_PROGRESSIVE 0
1515#define V4L2_DV_INTERLACED 1
1516
1517/* Polarities. If bit is not set, it is assumed to be negative polarity */
1518#define V4L2_DV_VSYNC_POS_POL 0x00000001
1519#define V4L2_DV_HSYNC_POS_POL 0x00000002
1520
1521/* Timings standards */
1522#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1523#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1524#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1525#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1526#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1527
1528/* Flags */
1529
1530/*
1531 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1532 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1533 * intervals are reduced, allowing a higher resolution over the same
1534 * bandwidth. This is a read-only flag.
1535 */
1536#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1537/*
1538 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1539 * of six. These formats can be optionally played at 1 / 1.001 speed.
1540 * This is a read-only flag.
1541 */
1542#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1543/*
1544 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1545 * by receivers.
1546 * If the framerate of the format is a multiple of six, then the pixelclock
1547 * used to set up the transmitter is divided by 1.001 to make it compatible
1548 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1549 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1550 * such frequencies, then the flag will also be cleared.
1551 */
1552#define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1553/*
1554 * Specific to interlaced formats: if set, then field 1 is really one half-line
1555 * longer and field 2 is really one half-line shorter, so each field has
1556 * exactly the same number of half-lines. Whether half-lines can be detected
1557 * or used depends on the hardware.
1558 */
1559#define V4L2_DV_FL_HALF_LINE (1 << 3)
1560/*
1561 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1562 * differ from other formats (commonly called IT formats) in that if RGB
1563 * encoding is used then by default the RGB values use limited range (i.e.
1564 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1565 * except for the 640x480 format are CE formats.
1566 */
1567#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1568/* Some formats like SMPTE-125M have an interlaced signal with a odd
1569 * total height. For these formats, if this flag is set, the first
1570 * field has the extra line. If not, it is the second field.
1571 */
1572#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1573/*
1574 * If set, then the picture_aspect field is valid. Otherwise assume that the
1575 * pixels are square, so the picture aspect ratio is the same as the width to
1576 * height ratio.
1577 */
1578#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1579/*
1580 * If set, then the cea861_vic field is valid and contains the Video
1581 * Identification Code as per the CEA-861 standard.
1582 */
1583#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1584/*
1585 * If set, then the hdmi_vic field is valid and contains the Video
1586 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1587 * InfoFrame).
1588 */
1589#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1590/*
1591 * CEA-861 specific: only valid for video receivers.
1592 * If set, then HW can detect the difference between regular FPS and
1593 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1594 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1595 */
1596#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1597
1598/* A few useful defines to calculate the total blanking and frame sizes */
1599#define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1600 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1601#define V4L2_DV_BT_FRAME_WIDTH(bt) \
1602 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1603#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1604 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1605 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1606#define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1607 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1608
1609/** struct v4l2_dv_timings - DV timings
1610 * @type: the type of the timings
1611 * @bt: BT656/1120 timings
1612 */
1613struct v4l2_dv_timings {
1614 __u32 type;
1615 union {
1616 struct v4l2_bt_timings bt;
1617 __u32 reserved[32];
1618 };
1619} __attribute__ ((packed));
1620
1621/* Values for the type field */
1622#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1623
1624
1625/** struct v4l2_enum_dv_timings - DV timings enumeration
1626 * @index: enumeration index
1627 * @pad: the pad number for which to enumerate timings (used with
1628 * v4l-subdev nodes only)
1629 * @reserved: must be zeroed
1630 * @timings: the timings for the given index
1631 */
1632struct v4l2_enum_dv_timings {
1633 __u32 index;
1634 __u32 pad;
1635 __u32 reserved[2];
1636 struct v4l2_dv_timings timings;
1637};
1638
1639/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1640 * @min_width: width in pixels
1641 * @max_width: width in pixels
1642 * @min_height: height in lines
1643 * @max_height: height in lines
1644 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1645 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1646 * @standards: Supported standards
1647 * @capabilities: Supported capabilities
1648 * @reserved: Must be zeroed
1649 */
1650struct v4l2_bt_timings_cap {
1651 __u32 min_width;
1652 __u32 max_width;
1653 __u32 min_height;
1654 __u32 max_height;
1655 __u64 min_pixelclock;
1656 __u64 max_pixelclock;
1657 __u32 standards;
1658 __u32 capabilities;
1659 __u32 reserved[16];
1660} __attribute__ ((packed));
1661
1662/* Supports interlaced formats */
1663#define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1664/* Supports progressive formats */
1665#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1666/* Supports CVT/GTF reduced blanking */
1667#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1668/* Supports custom formats */
1669#define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1670
1671/** struct v4l2_dv_timings_cap - DV timings capabilities
1672 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1673 * @pad: the pad number for which to query capabilities (used with
1674 * v4l-subdev nodes only)
1675 * @bt: the BT656/1120 timings capabilities
1676 */
1677struct v4l2_dv_timings_cap {
1678 __u32 type;
1679 __u32 pad;
1680 __u32 reserved[2];
1681 union {
1682 struct v4l2_bt_timings_cap bt;
1683 __u32 raw_data[32];
1684 };
1685};
1686
1687
1688/*
1689 * V I D E O I N P U T S
1690 */
1691struct v4l2_input {
1692 __u32 index; /* Which input */
1693 __u8 name[32]; /* Label */
1694 __u32 type; /* Type of input */
1695 __u32 audioset; /* Associated audios (bitfield) */
1696 __u32 tuner; /* enum v4l2_tuner_type */
1697 v4l2_std_id std;
1698 __u32 status;
1699 __u32 capabilities;
1700 __u32 reserved[3];
1701};
1702
1703/* Values for the 'type' field */
1704#define V4L2_INPUT_TYPE_TUNER 1
1705#define V4L2_INPUT_TYPE_CAMERA 2
1706#define V4L2_INPUT_TYPE_TOUCH 3
1707
1708/* field 'status' - general */
1709#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1710#define V4L2_IN_ST_NO_SIGNAL 0x00000002
1711#define V4L2_IN_ST_NO_COLOR 0x00000004
1712
1713/* field 'status' - sensor orientation */
1714/* If sensor is mounted upside down set both bits */
1715#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1716#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1717
1718/* field 'status' - analog */
1719#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1720#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1721#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1722#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1723
1724/* field 'status' - digital */
1725#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1726#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1727#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1728
1729/* field 'status' - VCR and set-top box */
1730#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1731#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1732#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1733
1734/* capabilities flags */
1735#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1736#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1737#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1738#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1739
1740/*
1741 * V I D E O O U T P U T S
1742 */
1743struct v4l2_output {
1744 __u32 index; /* Which output */
1745 __u8 name[32]; /* Label */
1746 __u32 type; /* Type of output */
1747 __u32 audioset; /* Associated audios (bitfield) */
1748 __u32 modulator; /* Associated modulator */
1749 v4l2_std_id std;
1750 __u32 capabilities;
1751 __u32 reserved[3];
1752};
1753/* Values for the 'type' field */
1754#define V4L2_OUTPUT_TYPE_MODULATOR 1
1755#define V4L2_OUTPUT_TYPE_ANALOG 2
1756#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1757
1758/* capabilities flags */
1759#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1760#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1761#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1762#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1763
1764/*
1765 * C O N T R O L S
1766 */
1767struct v4l2_control {
1768 __u32 id;
1769 __s32 value;
1770};
1771
1772struct v4l2_ext_control {
1773 __u32 id;
1774 __u32 size;
1775 __u32 reserved2[1];
1776 union {
1777 __s32 value;
1778 __s64 value64;
1779 char __user *string;
1780 __u8 __user *p_u8;
1781 __u16 __user *p_u16;
1782 __u32 __user *p_u32;
1783 struct v4l2_area __user *p_area;
1784 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1785 struct v4l2_ctrl_h264_pps *p_h264_pps;
1786 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1787 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1788 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1789 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1790 struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1791 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1792 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1793 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1794 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1795 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1796 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1797 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1798 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1799 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1800 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1801 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1802 void __user *ptr;
1803 };
1804} __attribute__ ((packed));
1805
1806struct v4l2_ext_controls {
1807 union {
1808#ifndef __KERNEL__
1809 __u32 ctrl_class;
1810#endif
1811 __u32 which;
1812 };
1813 __u32 count;
1814 __u32 error_idx;
1815 __s32 request_fd;
1816 __u32 reserved[1];
1817 struct v4l2_ext_control *controls;
1818};
1819
1820#define V4L2_CTRL_ID_MASK (0x0fffffff)
1821#ifndef __KERNEL__
1822#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1823#endif
1824#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1825#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1826#define V4L2_CTRL_MAX_DIMS (4)
1827#define V4L2_CTRL_WHICH_CUR_VAL 0
1828#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1829#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1830
1831enum v4l2_ctrl_type {
1832 V4L2_CTRL_TYPE_INTEGER = 1,
1833 V4L2_CTRL_TYPE_BOOLEAN = 2,
1834 V4L2_CTRL_TYPE_MENU = 3,
1835 V4L2_CTRL_TYPE_BUTTON = 4,
1836 V4L2_CTRL_TYPE_INTEGER64 = 5,
1837 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1838 V4L2_CTRL_TYPE_STRING = 7,
1839 V4L2_CTRL_TYPE_BITMASK = 8,
1840 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1841
1842 /* Compound types are >= 0x0100 */
1843 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1844 V4L2_CTRL_TYPE_U8 = 0x0100,
1845 V4L2_CTRL_TYPE_U16 = 0x0101,
1846 V4L2_CTRL_TYPE_U32 = 0x0102,
1847 V4L2_CTRL_TYPE_AREA = 0x0106,
1848
1849 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1850 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1851
1852 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1853 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1854 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1855 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1856 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1857 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1858
1859 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1860
1861 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1862
1863 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1864 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1865 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1866
1867 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1868 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1869
1870 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1871 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1872 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1873 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1874 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1875};
1876
1877/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1878struct v4l2_queryctrl {
1879 __u32 id;
1880 __u32 type; /* enum v4l2_ctrl_type */
1881 __u8 name[32]; /* Whatever */
1882 __s32 minimum; /* Note signedness */
1883 __s32 maximum;
1884 __s32 step;
1885 __s32 default_value;
1886 __u32 flags;
1887 __u32 reserved[2];
1888};
1889
1890/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1891struct v4l2_query_ext_ctrl {
1892 __u32 id;
1893 __u32 type;
1894 char name[32];
1895 __s64 minimum;
1896 __s64 maximum;
1897 __u64 step;
1898 __s64 default_value;
1899 __u32 flags;
1900 __u32 elem_size;
1901 __u32 elems;
1902 __u32 nr_of_dims;
1903 __u32 dims[V4L2_CTRL_MAX_DIMS];
1904 __u32 reserved[32];
1905};
1906
1907/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1908struct v4l2_querymenu {
1909 __u32 id;
1910 __u32 index;
1911 union {
1912 __u8 name[32]; /* Whatever */
1913 __s64 value;
1914 };
1915 __u32 reserved;
1916} __attribute__ ((packed));
1917
1918/* Control flags */
1919#define V4L2_CTRL_FLAG_DISABLED 0x0001
1920#define V4L2_CTRL_FLAG_GRABBED 0x0002
1921#define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1922#define V4L2_CTRL_FLAG_UPDATE 0x0008
1923#define V4L2_CTRL_FLAG_INACTIVE 0x0010
1924#define V4L2_CTRL_FLAG_SLIDER 0x0020
1925#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1926#define V4L2_CTRL_FLAG_VOLATILE 0x0080
1927#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1928#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1929#define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1930#define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
1931
1932/* Query flags, to be ORed with the control ID */
1933#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1934#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1935
1936/* User-class control IDs defined by V4L2 */
1937#define V4L2_CID_MAX_CTRLS 1024
1938/* IDs reserved for driver specific controls */
1939#define V4L2_CID_PRIVATE_BASE 0x08000000
1940
1941
1942/*
1943 * T U N I N G
1944 */
1945struct v4l2_tuner {
1946 __u32 index;
1947 __u8 name[32];
1948 __u32 type; /* enum v4l2_tuner_type */
1949 __u32 capability;
1950 __u32 rangelow;
1951 __u32 rangehigh;
1952 __u32 rxsubchans;
1953 __u32 audmode;
1954 __s32 signal;
1955 __s32 afc;
1956 __u32 reserved[4];
1957};
1958
1959struct v4l2_modulator {
1960 __u32 index;
1961 __u8 name[32];
1962 __u32 capability;
1963 __u32 rangelow;
1964 __u32 rangehigh;
1965 __u32 txsubchans;
1966 __u32 type; /* enum v4l2_tuner_type */
1967 __u32 reserved[3];
1968};
1969
1970/* Flags for the 'capability' field */
1971#define V4L2_TUNER_CAP_LOW 0x0001
1972#define V4L2_TUNER_CAP_NORM 0x0002
1973#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1974#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1975#define V4L2_TUNER_CAP_STEREO 0x0010
1976#define V4L2_TUNER_CAP_LANG2 0x0020
1977#define V4L2_TUNER_CAP_SAP 0x0020
1978#define V4L2_TUNER_CAP_LANG1 0x0040
1979#define V4L2_TUNER_CAP_RDS 0x0080
1980#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1981#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1982#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1983#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1984#define V4L2_TUNER_CAP_1HZ 0x1000
1985
1986/* Flags for the 'rxsubchans' field */
1987#define V4L2_TUNER_SUB_MONO 0x0001
1988#define V4L2_TUNER_SUB_STEREO 0x0002
1989#define V4L2_TUNER_SUB_LANG2 0x0004
1990#define V4L2_TUNER_SUB_SAP 0x0004
1991#define V4L2_TUNER_SUB_LANG1 0x0008
1992#define V4L2_TUNER_SUB_RDS 0x0010
1993
1994/* Values for the 'audmode' field */
1995#define V4L2_TUNER_MODE_MONO 0x0000
1996#define V4L2_TUNER_MODE_STEREO 0x0001
1997#define V4L2_TUNER_MODE_LANG2 0x0002
1998#define V4L2_TUNER_MODE_SAP 0x0002
1999#define V4L2_TUNER_MODE_LANG1 0x0003
2000#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
2001
2002struct v4l2_frequency {
2003 __u32 tuner;
2004 __u32 type; /* enum v4l2_tuner_type */
2005 __u32 frequency;
2006 __u32 reserved[8];
2007};
2008
2009#define V4L2_BAND_MODULATION_VSB (1 << 1)
2010#define V4L2_BAND_MODULATION_FM (1 << 2)
2011#define V4L2_BAND_MODULATION_AM (1 << 3)
2012
2013struct v4l2_frequency_band {
2014 __u32 tuner;
2015 __u32 type; /* enum v4l2_tuner_type */
2016 __u32 index;
2017 __u32 capability;
2018 __u32 rangelow;
2019 __u32 rangehigh;
2020 __u32 modulation;
2021 __u32 reserved[9];
2022};
2023
2024struct v4l2_hw_freq_seek {
2025 __u32 tuner;
2026 __u32 type; /* enum v4l2_tuner_type */
2027 __u32 seek_upward;
2028 __u32 wrap_around;
2029 __u32 spacing;
2030 __u32 rangelow;
2031 __u32 rangehigh;
2032 __u32 reserved[5];
2033};
2034
2035/*
2036 * R D S
2037 */
2038
2039struct v4l2_rds_data {
2040 __u8 lsb;
2041 __u8 msb;
2042 __u8 block;
2043} __attribute__ ((packed));
2044
2045#define V4L2_RDS_BLOCK_MSK 0x7
2046#define V4L2_RDS_BLOCK_A 0
2047#define V4L2_RDS_BLOCK_B 1
2048#define V4L2_RDS_BLOCK_C 2
2049#define V4L2_RDS_BLOCK_D 3
2050#define V4L2_RDS_BLOCK_C_ALT 4
2051#define V4L2_RDS_BLOCK_INVALID 7
2052
2053#define V4L2_RDS_BLOCK_CORRECTED 0x40
2054#define V4L2_RDS_BLOCK_ERROR 0x80
2055
2056/*
2057 * A U D I O
2058 */
2059struct v4l2_audio {
2060 __u32 index;
2061 __u8 name[32];
2062 __u32 capability;
2063 __u32 mode;
2064 __u32 reserved[2];
2065};
2066
2067/* Flags for the 'capability' field */
2068#define V4L2_AUDCAP_STEREO 0x00001
2069#define V4L2_AUDCAP_AVL 0x00002
2070
2071/* Flags for the 'mode' field */
2072#define V4L2_AUDMODE_AVL 0x00001
2073
2074struct v4l2_audioout {
2075 __u32 index;
2076 __u8 name[32];
2077 __u32 capability;
2078 __u32 mode;
2079 __u32 reserved[2];
2080};
2081
2082/*
2083 * M P E G S E R V I C E S
2084 */
2085#if 1
2086#define V4L2_ENC_IDX_FRAME_I (0)
2087#define V4L2_ENC_IDX_FRAME_P (1)
2088#define V4L2_ENC_IDX_FRAME_B (2)
2089#define V4L2_ENC_IDX_FRAME_MASK (0xf)
2090
2091struct v4l2_enc_idx_entry {
2092 __u64 offset;
2093 __u64 pts;
2094 __u32 length;
2095 __u32 flags;
2096 __u32 reserved[2];
2097};
2098
2099#define V4L2_ENC_IDX_ENTRIES (64)
2100struct v4l2_enc_idx {
2101 __u32 entries;
2102 __u32 entries_cap;
2103 __u32 reserved[4];
2104 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2105};
2106
2107
2108#define V4L2_ENC_CMD_START (0)
2109#define V4L2_ENC_CMD_STOP (1)
2110#define V4L2_ENC_CMD_PAUSE (2)
2111#define V4L2_ENC_CMD_RESUME (3)
2112
2113/* Flags for V4L2_ENC_CMD_STOP */
2114#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2115
2116struct v4l2_encoder_cmd {
2117 __u32 cmd;
2118 __u32 flags;
2119 union {
2120 struct {
2121 __u32 data[8];
2122 } raw;
2123 };
2124};
2125
2126/* Decoder commands */
2127#define V4L2_DEC_CMD_START (0)
2128#define V4L2_DEC_CMD_STOP (1)
2129#define V4L2_DEC_CMD_PAUSE (2)
2130#define V4L2_DEC_CMD_RESUME (3)
2131#define V4L2_DEC_CMD_FLUSH (4)
2132
2133/* Flags for V4L2_DEC_CMD_START */
2134#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2135
2136/* Flags for V4L2_DEC_CMD_PAUSE */
2137#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2138
2139/* Flags for V4L2_DEC_CMD_STOP */
2140#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2141#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2142
2143/* Play format requirements (returned by the driver): */
2144
2145/* The decoder has no special format requirements */
2146#define V4L2_DEC_START_FMT_NONE (0)
2147/* The decoder requires full GOPs */
2148#define V4L2_DEC_START_FMT_GOP (1)
2149
2150/* The structure must be zeroed before use by the application
2151 This ensures it can be extended safely in the future. */
2152struct v4l2_decoder_cmd {
2153 __u32 cmd;
2154 __u32 flags;
2155 union {
2156 struct {
2157 __u64 pts;
2158 } stop;
2159
2160 struct {
2161 /* 0 or 1000 specifies normal speed,
2162 1 specifies forward single stepping,
2163 -1 specifies backward single stepping,
2164 >1: playback at speed/1000 of the normal speed,
2165 <-1: reverse playback at (-speed/1000) of the normal speed. */
2166 __s32 speed;
2167 __u32 format;
2168 } start;
2169
2170 struct {
2171 __u32 data[16];
2172 } raw;
2173 };
2174};
2175#endif
2176
2177
2178/*
2179 * D A T A S E R V I C E S ( V B I )
2180 *
2181 * Data services API by Michael Schimek
2182 */
2183
2184/* Raw VBI */
2185struct v4l2_vbi_format {
2186 __u32 sampling_rate; /* in 1 Hz */
2187 __u32 offset;
2188 __u32 samples_per_line;
2189 __u32 sample_format; /* V4L2_PIX_FMT_* */
2190 __s32 start[2];
2191 __u32 count[2];
2192 __u32 flags; /* V4L2_VBI_* */
2193 __u32 reserved[2]; /* must be zero */
2194};
2195
2196/* VBI flags */
2197#define V4L2_VBI_UNSYNC (1 << 0)
2198#define V4L2_VBI_INTERLACED (1 << 1)
2199
2200/* ITU-R start lines for each field */
2201#define V4L2_VBI_ITU_525_F1_START (1)
2202#define V4L2_VBI_ITU_525_F2_START (264)
2203#define V4L2_VBI_ITU_625_F1_START (1)
2204#define V4L2_VBI_ITU_625_F2_START (314)
2205
2206/* Sliced VBI
2207 *
2208 * This implements is a proposal V4L2 API to allow SLICED VBI
2209 * required for some hardware encoders. It should change without
2210 * notice in the definitive implementation.
2211 */
2212
2213struct v4l2_sliced_vbi_format {
2214 __u16 service_set;
2215 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2216 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2217 (equals frame lines 313-336 for 625 line video
2218 standards, 263-286 for 525 line standards) */
2219 __u16 service_lines[2][24];
2220 __u32 io_size;
2221 __u32 reserved[2]; /* must be zero */
2222};
2223
2224/* Teletext World System Teletext
2225 (WST), defined on ITU-R BT.653-2 */
2226#define V4L2_SLICED_TELETEXT_B (0x0001)
2227/* Video Program System, defined on ETS 300 231*/
2228#define V4L2_SLICED_VPS (0x0400)
2229/* Closed Caption, defined on EIA-608 */
2230#define V4L2_SLICED_CAPTION_525 (0x1000)
2231/* Wide Screen System, defined on ITU-R BT1119.1 */
2232#define V4L2_SLICED_WSS_625 (0x4000)
2233
2234#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2235#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2236
2237struct v4l2_sliced_vbi_cap {
2238 __u16 service_set;
2239 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2240 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2241 (equals frame lines 313-336 for 625 line video
2242 standards, 263-286 for 525 line standards) */
2243 __u16 service_lines[2][24];
2244 __u32 type; /* enum v4l2_buf_type */
2245 __u32 reserved[3]; /* must be 0 */
2246};
2247
2248struct v4l2_sliced_vbi_data {
2249 __u32 id;
2250 __u32 field; /* 0: first field, 1: second field */
2251 __u32 line; /* 1-23 */
2252 __u32 reserved; /* must be 0 */
2253 __u8 data[48];
2254};
2255
2256/*
2257 * Sliced VBI data inserted into MPEG Streams
2258 */
2259
2260/*
2261 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2262 *
2263 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2264 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2265 * data
2266 *
2267 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2268 * definitions are not included here. See the MPEG-2 specifications for details
2269 * on these headers.
2270 */
2271
2272/* Line type IDs */
2273#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2274#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2275#define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2276#define V4L2_MPEG_VBI_IVTV_VPS (7)
2277
2278struct v4l2_mpeg_vbi_itv0_line {
2279 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2280 __u8 data[42]; /* Sliced VBI data for the line */
2281} __attribute__ ((packed));
2282
2283struct v4l2_mpeg_vbi_itv0 {
2284 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2285 struct v4l2_mpeg_vbi_itv0_line line[35];
2286} __attribute__ ((packed));
2287
2288struct v4l2_mpeg_vbi_ITV0 {
2289 struct v4l2_mpeg_vbi_itv0_line line[36];
2290} __attribute__ ((packed));
2291
2292#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2293#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2294
2295struct v4l2_mpeg_vbi_fmt_ivtv {
2296 __u8 magic[4];
2297 union {
2298 struct v4l2_mpeg_vbi_itv0 itv0;
2299 struct v4l2_mpeg_vbi_ITV0 ITV0;
2300 };
2301} __attribute__ ((packed));
2302
2303/*
2304 * A G G R E G A T E S T R U C T U R E S
2305 */
2306
2307/**
2308 * struct v4l2_plane_pix_format - additional, per-plane format definition
2309 * @sizeimage: maximum size in bytes required for data, for which
2310 * this plane will be used
2311 * @bytesperline: distance in bytes between the leftmost pixels in two
2312 * adjacent lines
2313 * @reserved: drivers and applications must zero this array
2314 */
2315struct v4l2_plane_pix_format {
2316 __u32 sizeimage;
2317 __u32 bytesperline;
2318 __u16 reserved[6];
2319} __attribute__ ((packed));
2320
2321/**
2322 * struct v4l2_pix_format_mplane - multiplanar format definition
2323 * @width: image width in pixels
2324 * @height: image height in pixels
2325 * @pixelformat: little endian four character code (fourcc)
2326 * @field: enum v4l2_field; field order (for interlaced video)
2327 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2328 * @plane_fmt: per-plane information
2329 * @num_planes: number of planes for this format
2330 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2331 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2332 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2333 * @quantization: enum v4l2_quantization, colorspace quantization
2334 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2335 * @reserved: drivers and applications must zero this array
2336 */
2337struct v4l2_pix_format_mplane {
2338 __u32 width;
2339 __u32 height;
2340 __u32 pixelformat;
2341 __u32 field;
2342 __u32 colorspace;
2343
2344 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2345 __u8 num_planes;
2346 __u8 flags;
2347 union {
2348 __u8 ycbcr_enc;
2349 __u8 hsv_enc;
2350 };
2351 __u8 quantization;
2352 __u8 xfer_func;
2353 __u8 reserved[7];
2354} __attribute__ ((packed));
2355
2356/**
2357 * struct v4l2_sdr_format - SDR format definition
2358 * @pixelformat: little endian four character code (fourcc)
2359 * @buffersize: maximum size in bytes required for data
2360 * @reserved: drivers and applications must zero this array
2361 */
2362struct v4l2_sdr_format {
2363 __u32 pixelformat;
2364 __u32 buffersize;
2365 __u8 reserved[24];
2366} __attribute__ ((packed));
2367
2368/**
2369 * struct v4l2_meta_format - metadata format definition
2370 * @dataformat: little endian four character code (fourcc)
2371 * @buffersize: maximum size in bytes required for data
2372 */
2373struct v4l2_meta_format {
2374 __u32 dataformat;
2375 __u32 buffersize;
2376} __attribute__ ((packed));
2377
2378/**
2379 * struct v4l2_format - stream data format
2380 * @type: enum v4l2_buf_type; type of the data stream
2381 * @pix: definition of an image format
2382 * @pix_mp: definition of a multiplanar image format
2383 * @win: definition of an overlaid image
2384 * @vbi: raw VBI capture or output parameters
2385 * @sliced: sliced VBI capture or output parameters
2386 * @raw_data: placeholder for future extensions and custom formats
2387 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
2388 * and @raw_data
2389 */
2390struct v4l2_format {
2391 __u32 type;
2392 union {
2393 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2394 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2395 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2396 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2397 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2398 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2399 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2400 __u8 raw_data[200]; /* user-defined */
2401 } fmt;
2402};
2403
2404/* Stream type-dependent parameters
2405 */
2406struct v4l2_streamparm {
2407 __u32 type; /* enum v4l2_buf_type */
2408 union {
2409 struct v4l2_captureparm capture;
2410 struct v4l2_outputparm output;
2411 __u8 raw_data[200]; /* user-defined */
2412 } parm;
2413};
2414
2415/*
2416 * E V E N T S
2417 */
2418
2419#define V4L2_EVENT_ALL 0
2420#define V4L2_EVENT_VSYNC 1
2421#define V4L2_EVENT_EOS 2
2422#define V4L2_EVENT_CTRL 3
2423#define V4L2_EVENT_FRAME_SYNC 4
2424#define V4L2_EVENT_SOURCE_CHANGE 5
2425#define V4L2_EVENT_MOTION_DET 6
2426#define V4L2_EVENT_PRIVATE_START 0x08000000
2427
2428/* Payload for V4L2_EVENT_VSYNC */
2429struct v4l2_event_vsync {
2430 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2431 __u8 field;
2432} __attribute__ ((packed));
2433
2434/* Payload for V4L2_EVENT_CTRL */
2435#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2436#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2437#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2438
2439struct v4l2_event_ctrl {
2440 __u32 changes;
2441 __u32 type;
2442 union {
2443 __s32 value;
2444 __s64 value64;
2445 };
2446 __u32 flags;
2447 __s32 minimum;
2448 __s32 maximum;
2449 __s32 step;
2450 __s32 default_value;
2451};
2452
2453struct v4l2_event_frame_sync {
2454 __u32 frame_sequence;
2455};
2456
2457#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2458
2459struct v4l2_event_src_change {
2460 __u32 changes;
2461};
2462
2463#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2464
2465/**
2466 * struct v4l2_event_motion_det - motion detection event
2467 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2468 * frame_sequence field is valid.
2469 * @frame_sequence: the frame sequence number associated with this event.
2470 * @region_mask: which regions detected motion.
2471 */
2472struct v4l2_event_motion_det {
2473 __u32 flags;
2474 __u32 frame_sequence;
2475 __u32 region_mask;
2476};
2477
2478struct v4l2_event {
2479 __u32 type;
2480 union {
2481 struct v4l2_event_vsync vsync;
2482 struct v4l2_event_ctrl ctrl;
2483 struct v4l2_event_frame_sync frame_sync;
2484 struct v4l2_event_src_change src_change;
2485 struct v4l2_event_motion_det motion_det;
2486 __u8 data[64];
2487 } u;
2488 __u32 pending;
2489 __u32 sequence;
2490#ifdef __KERNEL__
2491 struct __kernel_timespec timestamp;
2492#else
2493 struct timespec timestamp;
2494#endif
2495 __u32 id;
2496 __u32 reserved[8];
2497};
2498
2499#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2500#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2501
2502struct v4l2_event_subscription {
2503 __u32 type;
2504 __u32 id;
2505 __u32 flags;
2506 __u32 reserved[5];
2507};
2508
2509/*
2510 * A D V A N C E D D E B U G G I N G
2511 *
2512 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2513 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2514 */
2515
2516/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2517
2518#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2519#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2520
2521/* The following four defines are no longer in use */
2522#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2523#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2524#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2525#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2526
2527struct v4l2_dbg_match {
2528 __u32 type; /* Match type */
2529 union { /* Match this chip, meaning determined by type */
2530 __u32 addr;
2531 char name[32];
2532 };
2533} __attribute__ ((packed));
2534
2535struct v4l2_dbg_register {
2536 struct v4l2_dbg_match match;
2537 __u32 size; /* register size in bytes */
2538 __u64 reg;
2539 __u64 val;
2540} __attribute__ ((packed));
2541
2542#define V4L2_CHIP_FL_READABLE (1 << 0)
2543#define V4L2_CHIP_FL_WRITABLE (1 << 1)
2544
2545/* VIDIOC_DBG_G_CHIP_INFO */
2546struct v4l2_dbg_chip_info {
2547 struct v4l2_dbg_match match;
2548 char name[32];
2549 __u32 flags;
2550 __u32 reserved[32];
2551} __attribute__ ((packed));
2552
2553/**
2554 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2555 * @index: on return, index of the first created buffer
2556 * @count: entry: number of requested buffers,
2557 * return: number of created buffers
2558 * @memory: enum v4l2_memory; buffer memory type
2559 * @format: frame format, for which buffers are requested
2560 * @capabilities: capabilities of this buffer type.
2561 * @flags: additional buffer management attributes (ignored unless the
2562 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2563 * and configured for MMAP streaming I/O).
2564 * @reserved: future extensions
2565 */
2566struct v4l2_create_buffers {
2567 __u32 index;
2568 __u32 count;
2569 __u32 memory;
2570 struct v4l2_format format;
2571 __u32 capabilities;
2572 __u32 flags;
2573 __u32 reserved[6];
2574};
2575
2576/*
2577 * 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
2578 *
2579 */
2580#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2581#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2582#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2583#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2584#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2585#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2586#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2587#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2588#define VIDIOC_OVERLAY _IOW('V', 14, int)
2589#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2590#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2591#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2592#define VIDIOC_STREAMON _IOW('V', 18, int)
2593#define VIDIOC_STREAMOFF _IOW('V', 19, int)
2594#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2595#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2596#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2597#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2598#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2599#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2600#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2601#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2602#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2603#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2604#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2605#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2606#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2607#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2608#define VIDIOC_G_INPUT _IOR('V', 38, int)
2609#define VIDIOC_S_INPUT _IOWR('V', 39, int)
2610#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2611#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2612#define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2613#define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2614#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2615#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2616#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2617#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2618#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2619#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2620#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2621#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2622#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2623#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2624#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2625#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2626#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2627#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2628#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2629#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2630#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2631#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2632#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2633#define VIDIOC_LOG_STATUS _IO('V', 70)
2634#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2635#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2636#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2637#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2638#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2639#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2640#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2641#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2642
2643/*
2644 * Experimental, meant for debugging, testing and internal use.
2645 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2646 * You must be root to use these ioctls. Never use these in applications!
2647 */
2648#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2649#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2650
2651#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2652#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2653#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2654#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2655#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2656#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2657#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2658#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2659#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2660#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2661#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2662#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2663#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2664#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2665#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2666#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2667
2668/*
2669 * Experimental, meant for debugging, testing and internal use.
2670 * Never use this in applications!
2671 */
2672#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2673
2674#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2675
2676/* Reminder: when adding new ioctls please add support for them to
2677 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2678
2679#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2680
2681/* Deprecated definitions kept for backwards compatibility */
2682#ifndef __KERNEL__
2683#define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2684#define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2685#endif
2686
2687#endif /* _UAPI__LINUX_VIDEODEV2_H */
2688

source code of linux/include/uapi/linux/videodev2.h