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 64
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 */
88 enum v4l2_field {
89 V4L2_FIELD_ANY = 0, /* driver can choose from none,
90 top, bottom, interlaced
91 depending on whatever it thinks
92 is approximate ... */
93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
94 V4L2_FIELD_TOP = 2, /* top field only */
95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
98 buffer, top-bottom order */
99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
101 separate buffers */
102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
103 first and the top field is
104 transmitted first */
105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
106 first and the bottom field is
107 transmitted first */
108 };
109 #define V4L2_FIELD_HAS_TOP(field) \
110 ((field) == V4L2_FIELD_TOP ||\
111 (field) == V4L2_FIELD_INTERLACED ||\
112 (field) == V4L2_FIELD_INTERLACED_TB ||\
113 (field) == V4L2_FIELD_INTERLACED_BT ||\
114 (field) == V4L2_FIELD_SEQ_TB ||\
115 (field) == V4L2_FIELD_SEQ_BT)
116 #define V4L2_FIELD_HAS_BOTTOM(field) \
117 ((field) == V4L2_FIELD_BOTTOM ||\
118 (field) == V4L2_FIELD_INTERLACED ||\
119 (field) == V4L2_FIELD_INTERLACED_TB ||\
120 (field) == V4L2_FIELD_INTERLACED_BT ||\
121 (field) == V4L2_FIELD_SEQ_TB ||\
122 (field) == V4L2_FIELD_SEQ_BT)
123 #define V4L2_FIELD_HAS_BOTH(field) \
124 ((field) == V4L2_FIELD_INTERLACED ||\
125 (field) == V4L2_FIELD_INTERLACED_TB ||\
126 (field) == V4L2_FIELD_INTERLACED_BT ||\
127 (field) == V4L2_FIELD_SEQ_TB ||\
128 (field) == V4L2_FIELD_SEQ_BT)
129 #define V4L2_FIELD_HAS_T_OR_B(field) \
130 ((field) == V4L2_FIELD_BOTTOM ||\
131 (field) == V4L2_FIELD_TOP ||\
132 (field) == V4L2_FIELD_ALTERNATE)
133 #define V4L2_FIELD_IS_INTERLACED(field) \
134 ((field) == V4L2_FIELD_INTERLACED ||\
135 (field) == V4L2_FIELD_INTERLACED_TB ||\
136 (field) == V4L2_FIELD_INTERLACED_BT)
137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
138 ((field) == V4L2_FIELD_SEQ_TB ||\
139 (field) == V4L2_FIELD_SEQ_BT)
140
141 enum v4l2_buf_type {
142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
145 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
146 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
152 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
153 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
154 V4L2_BUF_TYPE_META_CAPTURE = 13,
155 V4L2_BUF_TYPE_META_OUTPUT = 14,
156 /* Deprecated, do not use */
157 V4L2_BUF_TYPE_PRIVATE = 0x80,
158 };
159
160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
163
164 #define V4L2_TYPE_IS_OUTPUT(type) \
165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
172 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
173
174 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
175
176 enum 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
187 enum 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/ */
195 enum 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
267 enum 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
315 enum 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 */
374 enum 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
394 enum 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
426 enum 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
434 struct v4l2_rect {
435 __s32 left;
436 __s32 top;
437 __u32 width;
438 __u32 height;
439 };
440
441 struct v4l2_fract {
442 __u32 numerator;
443 __u32 denominator;
444 };
445
446 struct 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 */
462 struct 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_STREAMING 0x04000000 /* streaming I/O ioctls */
506 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
507
508 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
509
510 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
511
512 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
513
514 /*
515 * V I D E O I M A G E F O R M A T
516 */
517 struct v4l2_pix_format {
518 __u32 width;
519 __u32 height;
520 __u32 pixelformat;
521 __u32 field; /* enum v4l2_field */
522 __u32 bytesperline; /* for padding, zero if unused */
523 __u32 sizeimage;
524 __u32 colorspace; /* enum v4l2_colorspace */
525 __u32 priv; /* private data, depends on pixelformat */
526 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
527 union {
528 /* enum v4l2_ycbcr_encoding */
529 __u32 ycbcr_enc;
530 /* enum v4l2_hsv_encoding */
531 __u32 hsv_enc;
532 };
533 __u32 quantization; /* enum v4l2_quantization */
534 __u32 xfer_func; /* enum v4l2_xfer_func */
535 };
536
537 /* Pixel format FOURCC depth Description */
538
539 /* RGB formats (1 or 2 bytes per pixel) */
540 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
541 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
542 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
543 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
544 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
545 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
546 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
547 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
548 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
549 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
550 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
551 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
552 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
553 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
554 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
555 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
556 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
557 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
558 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
559 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
560 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
561 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
562 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
563 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
564
565 /* RGB formats (3 or 4 bytes per pixel) */
566 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
567 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
568 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
569 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
570 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
571 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
572 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
573 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
574 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
575 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
576 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
577 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
578 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
579
580 /* RGB formats (6 or 8 bytes per pixel) */
581 #define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
582 #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
583
584 /* Grey formats */
585 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
586 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
587 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
588 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
589 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
590 #define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */
591 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
592 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
593 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
594
595 /* Grey bit-packed formats */
596 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
597 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
598 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
599
600 /* Palette formats */
601 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
602
603 /* Chrominance formats */
604 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
605
606 /* Luminance+Chrominance formats */
607 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
608 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
609 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
610 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
611 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
612 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
613 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
614 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
615 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
616 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
617 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
618 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
619 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
620 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
621 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
622 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
623 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
624 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
625 #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */
626
627 /*
628 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
629 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
630 */
631 #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */
632 #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */
633 #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */
634
635 /* two planes -- one Y, one Cr + Cb interleaved */
636 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
637 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
638 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
639 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
640 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
641 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
642 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
643 #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
644
645 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
646 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
647 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
648 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
649 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
650 #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
651
652 /* three planes - Y Cb, Cr */
653 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
654 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
655 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
656 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
657 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
658 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
659
660 /* three non contiguous planes - Y, Cb, Cr */
661 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
662 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
663 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
664 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
665 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
666 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
667
668 /* Tiled YUV formats */
669 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
670 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
671 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
672 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
673 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
674 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
675
676 /* Tiled YUV formats, non contiguous planes */
677 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
678 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
679 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
680 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
681
682 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
683 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
684 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
685 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
686 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
687 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
688 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
689 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
690 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
691 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
692 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
693 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
694 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
695 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
696 /* 10bit raw bayer a-law compressed to 8 bits */
697 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
698 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
699 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
700 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
701 /* 10bit raw bayer DPCM compressed to 8 bits */
702 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
703 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
704 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
705 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
706 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
707 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
708 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
709 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
710 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
711 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
712 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
713 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
714 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
715 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
716 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
717 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
718 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
719 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
720 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
721 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
722 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
723 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
724 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
725 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
726 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
727 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
728
729 /* HSV formats */
730 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
731 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
732
733 /* compressed formats */
734 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
735 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
736 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
737 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
738 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
739 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
740 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
741 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
742 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
743 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
744 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
745 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
746 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
747 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
748 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
749 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
750 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
751 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
752 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
753 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
754 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
755 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
756 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
757 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
758 #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
759 #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
760 #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
761
762 /* Vendor-specific formats */
763 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
764 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
765 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
766 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
767 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
768 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
769 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
770 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
771 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
772 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
773 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
774 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
775 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
776 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
777 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
778 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
779 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
780 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
781 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
782 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
783 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
784 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
785 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
786 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
787 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
788 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
789 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
790 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
791 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
792 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
793 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
794 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
795 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
796 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
797 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
798 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
799
800 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
801 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
802 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
803 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
804 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
805
806 /* SDR formats - used only for Software Defined Radio devices */
807 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
808 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
809 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
810 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
811 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
812 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
813 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
814 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
815
816 /* Touch formats - used for Touch devices */
817 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
818 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
819 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
820 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
821
822 /* Meta-data formats */
823 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
824 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
825 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
826 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
827 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
828
829 /* Vendor specific - used for RK_ISP1 camera sub-system */
830 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
831 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
832
833 /* priv field value to indicates that subsequent fields are valid. */
834 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
835
836 /* Flags */
837 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
838 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
839
840 /*
841 * F O R M A T E N U M E R A T I O N
842 */
843 struct v4l2_fmtdesc {
844 __u32 index; /* Format number */
845 __u32 type; /* enum v4l2_buf_type */
846 __u32 flags;
847 __u8 description[32]; /* Description string */
848 __u32 pixelformat; /* Format fourcc */
849 __u32 mbus_code; /* Media bus code */
850 __u32 reserved[3];
851 };
852
853 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
854 #define V4L2_FMT_FLAG_EMULATED 0x0002
855 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
856 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
857 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
858 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
859 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
860 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
861 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
862 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
863
864 /* Frame Size and frame rate enumeration */
865 /*
866 * F R A M E S I Z E E N U M E R A T I O N
867 */
868 enum v4l2_frmsizetypes {
869 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
870 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
871 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
872 };
873
874 struct v4l2_frmsize_discrete {
875 __u32 width; /* Frame width [pixel] */
876 __u32 height; /* Frame height [pixel] */
877 };
878
879 struct v4l2_frmsize_stepwise {
880 __u32 min_width; /* Minimum frame width [pixel] */
881 __u32 max_width; /* Maximum frame width [pixel] */
882 __u32 step_width; /* Frame width step size [pixel] */
883 __u32 min_height; /* Minimum frame height [pixel] */
884 __u32 max_height; /* Maximum frame height [pixel] */
885 __u32 step_height; /* Frame height step size [pixel] */
886 };
887
888 struct v4l2_frmsizeenum {
889 __u32 index; /* Frame size number */
890 __u32 pixel_format; /* Pixel format */
891 __u32 type; /* Frame size type the device supports. */
892
893 union { /* Frame size */
894 struct v4l2_frmsize_discrete discrete;
895 struct v4l2_frmsize_stepwise stepwise;
896 };
897
898 __u32 reserved[2]; /* Reserved space for future use */
899 };
900
901 /*
902 * F R A M E R A T E E N U M E R A T I O N
903 */
904 enum v4l2_frmivaltypes {
905 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
906 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
907 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
908 };
909
910 struct v4l2_frmival_stepwise {
911 struct v4l2_fract min; /* Minimum frame interval [s] */
912 struct v4l2_fract max; /* Maximum frame interval [s] */
913 struct v4l2_fract step; /* Frame interval step size [s] */
914 };
915
916 struct v4l2_frmivalenum {
917 __u32 index; /* Frame format index */
918 __u32 pixel_format; /* Pixel format */
919 __u32 width; /* Frame width */
920 __u32 height; /* Frame height */
921 __u32 type; /* Frame interval type the device supports. */
922
923 union { /* Frame interval */
924 struct v4l2_fract discrete;
925 struct v4l2_frmival_stepwise stepwise;
926 };
927
928 __u32 reserved[2]; /* Reserved space for future use */
929 };
930
931 /*
932 * T I M E C O D E
933 */
934 struct v4l2_timecode {
935 __u32 type;
936 __u32 flags;
937 __u8 frames;
938 __u8 seconds;
939 __u8 minutes;
940 __u8 hours;
941 __u8 userbits[4];
942 };
943
944 /* Type */
945 #define V4L2_TC_TYPE_24FPS 1
946 #define V4L2_TC_TYPE_25FPS 2
947 #define V4L2_TC_TYPE_30FPS 3
948 #define V4L2_TC_TYPE_50FPS 4
949 #define V4L2_TC_TYPE_60FPS 5
950
951 /* Flags */
952 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
953 #define V4L2_TC_FLAG_COLORFRAME 0x0002
954 #define V4L2_TC_USERBITS_field 0x000C
955 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
956 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
957 /* The above is based on SMPTE timecodes */
958
959 struct v4l2_jpegcompression {
960 int quality;
961
962 int APPn; /* Number of APP segment to be written,
963 * must be 0..15 */
964 int APP_len; /* Length of data in JPEG APPn segment */
965 char APP_data[60]; /* Data in the JPEG APPn segment. */
966
967 int COM_len; /* Length of data in JPEG COM segment */
968 char COM_data[60]; /* Data in JPEG COM segment */
969
970 __u32 jpeg_markers; /* Which markers should go into the JPEG
971 * output. Unless you exactly know what
972 * you do, leave them untouched.
973 * Including less markers will make the
974 * resulting code smaller, but there will
975 * be fewer applications which can read it.
976 * The presence of the APP and COM marker
977 * is influenced by APP_len and COM_len
978 * ONLY, not by this property! */
979
980 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
981 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
982 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
983 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
984 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
985 * always use APP0 */
986 };
987
988 /*
989 * M E M O R Y - M A P P I N G B U F F E R S
990 */
991
992 #ifdef __KERNEL__
993 /*
994 * This corresponds to the user space version of timeval
995 * for 64-bit time_t. sparc64 is different from everyone
996 * else, using the microseconds in the wrong half of the
997 * second 64-bit word.
998 */
999 struct __kernel_v4l2_timeval {
1000 long long tv_sec;
1001 #if defined(__sparc__) && defined(__arch64__)
1002 int tv_usec;
1003 int __pad;
1004 #else
1005 long long tv_usec;
1006 #endif
1007 };
1008 #endif
1009
1010 struct v4l2_requestbuffers {
1011 __u32 count;
1012 __u32 type; /* enum v4l2_buf_type */
1013 __u32 memory; /* enum v4l2_memory */
1014 __u32 capabilities;
1015 __u8 flags;
1016 __u8 reserved[3];
1017 };
1018
1019 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
1020
1021 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1022 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
1023 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
1024 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
1025 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
1026 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
1027 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
1028 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
1029
1030 /**
1031 * struct v4l2_plane - plane info for multi-planar buffers
1032 * @bytesused: number of bytes occupied by data in the plane (payload)
1033 * @length: size of this plane (NOT the payload) in bytes
1034 * @mem_offset: when memory in the associated struct v4l2_buffer is
1035 * V4L2_MEMORY_MMAP, equals the offset from the start of
1036 * the device memory for this plane (or is a "cookie" that
1037 * should be passed to mmap() called on the video node)
1038 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1039 * pointing to this plane
1040 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1041 * descriptor associated with this plane
1042 * @m: union of @mem_offset, @userptr and @fd
1043 * @data_offset: offset in the plane to the start of data; usually 0,
1044 * unless there is a header in front of the data
1045 * @reserved: drivers and applications must zero this array
1046 *
1047 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1048 * with two planes can have one plane for Y, and another for interleaved CbCr
1049 * components. Each plane can reside in a separate memory buffer, or even in
1050 * a completely separate memory node (e.g. in embedded devices).
1051 */
1052 struct v4l2_plane {
1053 __u32 bytesused;
1054 __u32 length;
1055 union {
1056 __u32 mem_offset;
1057 unsigned long userptr;
1058 __s32 fd;
1059 } m;
1060 __u32 data_offset;
1061 __u32 reserved[11];
1062 };
1063
1064 /**
1065 * struct v4l2_buffer - video buffer info
1066 * @index: id number of the buffer
1067 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1068 * multiplanar buffers);
1069 * @bytesused: number of bytes occupied by data in the buffer (payload);
1070 * unused (set to 0) for multiplanar buffers
1071 * @flags: buffer informational flags
1072 * @field: enum v4l2_field; field order of the image in the buffer
1073 * @timestamp: frame timestamp
1074 * @timecode: frame timecode
1075 * @sequence: sequence count of this frame
1076 * @memory: enum v4l2_memory; the method, in which the actual video data is
1077 * passed
1078 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1079 * offset from the start of the device memory for this plane,
1080 * (or a "cookie" that should be passed to mmap() as offset)
1081 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1082 * a userspace pointer pointing to this buffer
1083 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1084 * a userspace file descriptor associated with this buffer
1085 * @planes: for multiplanar buffers; userspace pointer to the array of plane
1086 * info structs for this buffer
1087 * @m: union of @offset, @userptr, @planes and @fd
1088 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1089 * buffers (when type != *_MPLANE); number of elements in the
1090 * planes array for multi-plane buffers
1091 * @reserved2: drivers and applications must zero this field
1092 * @request_fd: fd of the request that this buffer should use
1093 * @reserved: for backwards compatibility with applications that do not know
1094 * about @request_fd
1095 *
1096 * Contains data exchanged by application and driver using one of the Streaming
1097 * I/O methods.
1098 */
1099 struct v4l2_buffer {
1100 __u32 index;
1101 __u32 type;
1102 __u32 bytesused;
1103 __u32 flags;
1104 __u32 field;
1105 #ifdef __KERNEL__
1106 struct __kernel_v4l2_timeval timestamp;
1107 #else
1108 struct timeval timestamp;
1109 #endif
1110 struct v4l2_timecode timecode;
1111 __u32 sequence;
1112
1113 /* memory location */
1114 __u32 memory;
1115 union {
1116 __u32 offset;
1117 unsigned long userptr;
1118 struct v4l2_plane *planes;
1119 __s32 fd;
1120 } m;
1121 __u32 length;
1122 __u32 reserved2;
1123 union {
1124 __s32 request_fd;
1125 __u32 reserved;
1126 };
1127 };
1128
1129 #ifndef __KERNEL__
1130 /**
1131 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1132 * @tv: pointer to the timeval variable to be converted
1133 *
1134 * Returns the scalar nanosecond representation of the timeval
1135 * parameter.
1136 */
v4l2_timeval_to_ns(const struct timeval * tv)1137 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1138 {
1139 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1140 }
1141 #endif
1142
1143 /* Flags for 'flags' field */
1144 /* Buffer is mapped (flag) */
1145 #define V4L2_BUF_FLAG_MAPPED 0x00000001
1146 /* Buffer is queued for processing */
1147 #define V4L2_BUF_FLAG_QUEUED 0x00000002
1148 /* Buffer is ready */
1149 #define V4L2_BUF_FLAG_DONE 0x00000004
1150 /* Image is a keyframe (I-frame) */
1151 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1152 /* Image is a P-frame */
1153 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1154 /* Image is a B-frame */
1155 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1156 /* Buffer is ready, but the data contained within is corrupted. */
1157 #define V4L2_BUF_FLAG_ERROR 0x00000040
1158 /* Buffer is added to an unqueued request */
1159 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1160 /* timecode field is valid */
1161 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1162 /* Don't return the capture buffer until OUTPUT timestamp changes */
1163 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1164 /* Buffer is prepared for queuing */
1165 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1166 /* Cache handling flags */
1167 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1168 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1169 /* Timestamp type */
1170 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1171 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1172 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1173 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1174 /* Timestamp sources. */
1175 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1176 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1177 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1178 /* mem2mem encoder/decoder */
1179 #define V4L2_BUF_FLAG_LAST 0x00100000
1180 /* request_fd is valid */
1181 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1182
1183 /**
1184 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1185 *
1186 * @index: id number of the buffer
1187 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1188 * multiplanar buffers);
1189 * @plane: index of the plane to be exported, 0 for single plane queues
1190 * @flags: flags for newly created file, currently only O_CLOEXEC is
1191 * supported, refer to manual of open syscall for more details
1192 * @fd: file descriptor associated with DMABUF (set by driver)
1193 * @reserved: drivers and applications must zero this array
1194 *
1195 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1196 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1197 * (identical to the cookie used to mmap() the buffer to userspace). All
1198 * reserved fields must be set to zero. The field reserved0 is expected to
1199 * become a structure 'type' allowing an alternative layout of the structure
1200 * content. Therefore this field should not be used for any other extensions.
1201 */
1202 struct v4l2_exportbuffer {
1203 __u32 type; /* enum v4l2_buf_type */
1204 __u32 index;
1205 __u32 plane;
1206 __u32 flags;
1207 __s32 fd;
1208 __u32 reserved[11];
1209 };
1210
1211 /*
1212 * O V E R L A Y P R E V I E W
1213 */
1214 struct v4l2_framebuffer {
1215 __u32 capability;
1216 __u32 flags;
1217 /* FIXME: in theory we should pass something like PCI device + memory
1218 * region + offset instead of some physical address */
1219 void *base;
1220 struct {
1221 __u32 width;
1222 __u32 height;
1223 __u32 pixelformat;
1224 __u32 field; /* enum v4l2_field */
1225 __u32 bytesperline; /* for padding, zero if unused */
1226 __u32 sizeimage;
1227 __u32 colorspace; /* enum v4l2_colorspace */
1228 __u32 priv; /* reserved field, set to 0 */
1229 } fmt;
1230 };
1231 /* Flags for the 'capability' field. Read only */
1232 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1233 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1234 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1235 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1236 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1237 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1238 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1239 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1240 /* Flags for the 'flags' field. */
1241 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1242 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1243 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1244 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1245 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1246 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1247 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1248
1249 struct v4l2_clip {
1250 struct v4l2_rect c;
1251 struct v4l2_clip __user *next;
1252 };
1253
1254 struct v4l2_window {
1255 struct v4l2_rect w;
1256 __u32 field; /* enum v4l2_field */
1257 __u32 chromakey;
1258 struct v4l2_clip *clips;
1259 __u32 clipcount;
1260 void __user *bitmap;
1261 __u8 global_alpha;
1262 };
1263
1264 /*
1265 * C A P T U R E P A R A M E T E R S
1266 */
1267 struct v4l2_captureparm {
1268 __u32 capability; /* Supported modes */
1269 __u32 capturemode; /* Current mode */
1270 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1271 __u32 extendedmode; /* Driver-specific extensions */
1272 __u32 readbuffers; /* # of buffers for read */
1273 __u32 reserved[4];
1274 };
1275
1276 /* Flags for 'capability' and 'capturemode' fields */
1277 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1278 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1279
1280 struct v4l2_outputparm {
1281 __u32 capability; /* Supported modes */
1282 __u32 outputmode; /* Current mode */
1283 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1284 __u32 extendedmode; /* Driver-specific extensions */
1285 __u32 writebuffers; /* # of buffers for write */
1286 __u32 reserved[4];
1287 };
1288
1289 /*
1290 * I N P U T I M A G E C R O P P I N G
1291 */
1292 struct v4l2_cropcap {
1293 __u32 type; /* enum v4l2_buf_type */
1294 struct v4l2_rect bounds;
1295 struct v4l2_rect defrect;
1296 struct v4l2_fract pixelaspect;
1297 };
1298
1299 struct v4l2_crop {
1300 __u32 type; /* enum v4l2_buf_type */
1301 struct v4l2_rect c;
1302 };
1303
1304 /**
1305 * struct v4l2_selection - selection info
1306 * @type: buffer type (do not use *_MPLANE types)
1307 * @target: Selection target, used to choose one of possible rectangles;
1308 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1309 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1310 * @r: coordinates of selection window
1311 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1312 *
1313 * Hardware may use multiple helper windows to process a video stream.
1314 * The structure is used to exchange this selection areas between
1315 * an application and a driver.
1316 */
1317 struct v4l2_selection {
1318 __u32 type;
1319 __u32 target;
1320 __u32 flags;
1321 struct v4l2_rect r;
1322 __u32 reserved[9];
1323 };
1324
1325
1326 /*
1327 * A N A L O G V I D E O S T A N D A R D
1328 */
1329
1330 typedef __u64 v4l2_std_id;
1331
1332 /*
1333 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1334 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1335 */
1336 /* one bit for each */
1337 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1338 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1339 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1340 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1341 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1342 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1343 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1344 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1345
1346 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1347 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1348 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1349 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1350
1351 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1352 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1353 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1354 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1355
1356 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1357 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1358 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1359 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1360 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1361 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1362 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1363 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1364
1365 /* ATSC/HDTV */
1366 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1367 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1368
1369 /* FIXME:
1370 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1371 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1372 this value to 32 bits.
1373 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1374 it should work fine. However, if needed to add more than two standards,
1375 v4l2-common.c should be fixed.
1376 */
1377
1378 /*
1379 * Some macros to merge video standards in order to make live easier for the
1380 * drivers and V4L2 applications
1381 */
1382
1383 /*
1384 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1385 * Missing here.
1386 */
1387 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1388 V4L2_STD_NTSC_M_JP |\
1389 V4L2_STD_NTSC_M_KR)
1390 /* Secam macros */
1391 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1392 V4L2_STD_SECAM_K |\
1393 V4L2_STD_SECAM_K1)
1394 /* All Secam Standards */
1395 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1396 V4L2_STD_SECAM_G |\
1397 V4L2_STD_SECAM_H |\
1398 V4L2_STD_SECAM_DK |\
1399 V4L2_STD_SECAM_L |\
1400 V4L2_STD_SECAM_LC)
1401 /* PAL macros */
1402 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1403 V4L2_STD_PAL_B1 |\
1404 V4L2_STD_PAL_G)
1405 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1406 V4L2_STD_PAL_D1 |\
1407 V4L2_STD_PAL_K)
1408 /*
1409 * "Common" PAL - This macro is there to be compatible with the old
1410 * V4L1 concept of "PAL": /BGDKHI.
1411 * Several PAL standards are missing here: /M, /N and /Nc
1412 */
1413 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1414 V4L2_STD_PAL_DK |\
1415 V4L2_STD_PAL_H |\
1416 V4L2_STD_PAL_I)
1417 /* Chroma "agnostic" standards */
1418 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1419 V4L2_STD_PAL_B1 |\
1420 V4L2_STD_SECAM_B)
1421 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1422 V4L2_STD_SECAM_G)
1423 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1424 V4L2_STD_SECAM_H)
1425 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1426 V4L2_STD_SECAM_LC)
1427 #define V4L2_STD_GH (V4L2_STD_G |\
1428 V4L2_STD_H)
1429 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1430 V4L2_STD_SECAM_DK)
1431 #define V4L2_STD_BG (V4L2_STD_B |\
1432 V4L2_STD_G)
1433 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1434 V4L2_STD_PAL_N |\
1435 V4L2_STD_PAL_Nc |\
1436 V4L2_STD_NTSC)
1437
1438 /* Standards where MTS/BTSC stereo could be found */
1439 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1440 V4L2_STD_PAL_M |\
1441 V4L2_STD_PAL_N |\
1442 V4L2_STD_PAL_Nc)
1443
1444 /* Standards for Countries with 60Hz Line frequency */
1445 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1446 V4L2_STD_PAL_60 |\
1447 V4L2_STD_NTSC |\
1448 V4L2_STD_NTSC_443)
1449 /* Standards for Countries with 50Hz Line frequency */
1450 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1451 V4L2_STD_PAL_N |\
1452 V4L2_STD_PAL_Nc |\
1453 V4L2_STD_SECAM)
1454
1455 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1456 V4L2_STD_ATSC_16_VSB)
1457 /* Macros with none and all analog standards */
1458 #define V4L2_STD_UNKNOWN 0
1459 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1460 V4L2_STD_625_50)
1461
1462 struct v4l2_standard {
1463 __u32 index;
1464 v4l2_std_id id;
1465 __u8 name[24];
1466 struct v4l2_fract frameperiod; /* Frames, not fields */
1467 __u32 framelines;
1468 __u32 reserved[4];
1469 };
1470
1471 /*
1472 * D V B T T I M I N G S
1473 */
1474
1475 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1476 * @width: total width of the active video in pixels
1477 * @height: total height of the active video in lines
1478 * @interlaced: Interlaced or progressive
1479 * @polarities: Positive or negative polarities
1480 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1481 * @hfrontporch:Horizontal front porch in pixels
1482 * @hsync: Horizontal Sync length in pixels
1483 * @hbackporch: Horizontal back porch in pixels
1484 * @vfrontporch:Vertical front porch in lines
1485 * @vsync: Vertical Sync length in lines
1486 * @vbackporch: Vertical back porch in lines
1487 * @il_vfrontporch:Vertical front porch for the even field
1488 * (aka field 2) of interlaced field formats
1489 * @il_vsync: Vertical Sync length for the even field
1490 * (aka field 2) of interlaced field formats
1491 * @il_vbackporch:Vertical back porch for the even field
1492 * (aka field 2) of interlaced field formats
1493 * @standards: Standards the timing belongs to
1494 * @flags: Flags
1495 * @picture_aspect: The picture aspect ratio (hor/vert).
1496 * @cea861_vic: VIC code as per the CEA-861 standard.
1497 * @hdmi_vic: VIC code as per the HDMI standard.
1498 * @reserved: Reserved fields, must be zeroed.
1499 *
1500 * A note regarding vertical interlaced timings: height refers to the total
1501 * height of the active video frame (= two fields). The blanking timings refer
1502 * to the blanking of each field. So the height of the total frame is
1503 * calculated as follows:
1504 *
1505 * tot_height = height + vfrontporch + vsync + vbackporch +
1506 * il_vfrontporch + il_vsync + il_vbackporch
1507 *
1508 * The active height of each field is height / 2.
1509 */
1510 struct v4l2_bt_timings {
1511 __u32 width;
1512 __u32 height;
1513 __u32 interlaced;
1514 __u32 polarities;
1515 __u64 pixelclock;
1516 __u32 hfrontporch;
1517 __u32 hsync;
1518 __u32 hbackporch;
1519 __u32 vfrontporch;
1520 __u32 vsync;
1521 __u32 vbackporch;
1522 __u32 il_vfrontporch;
1523 __u32 il_vsync;
1524 __u32 il_vbackporch;
1525 __u32 standards;
1526 __u32 flags;
1527 struct v4l2_fract picture_aspect;
1528 __u8 cea861_vic;
1529 __u8 hdmi_vic;
1530 __u8 reserved[46];
1531 } __attribute__ ((packed));
1532
1533 /* Interlaced or progressive format */
1534 #define V4L2_DV_PROGRESSIVE 0
1535 #define V4L2_DV_INTERLACED 1
1536
1537 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1538 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1539 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1540
1541 /* Timings standards */
1542 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1543 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1544 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1545 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1546 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1547
1548 /* Flags */
1549
1550 /*
1551 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1552 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1553 * intervals are reduced, allowing a higher resolution over the same
1554 * bandwidth. This is a read-only flag.
1555 */
1556 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1557 /*
1558 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1559 * of six. These formats can be optionally played at 1 / 1.001 speed.
1560 * This is a read-only flag.
1561 */
1562 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1563 /*
1564 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1565 * by receivers.
1566 * If the framerate of the format is a multiple of six, then the pixelclock
1567 * used to set up the transmitter is divided by 1.001 to make it compatible
1568 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1569 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1570 * such frequencies, then the flag will also be cleared.
1571 */
1572 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1573 /*
1574 * Specific to interlaced formats: if set, then field 1 is really one half-line
1575 * longer and field 2 is really one half-line shorter, so each field has
1576 * exactly the same number of half-lines. Whether half-lines can be detected
1577 * or used depends on the hardware.
1578 */
1579 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1580 /*
1581 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1582 * differ from other formats (commonly called IT formats) in that if RGB
1583 * encoding is used then by default the RGB values use limited range (i.e.
1584 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1585 * except for the 640x480 format are CE formats.
1586 */
1587 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1588 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1589 * total height. For these formats, if this flag is set, the first
1590 * field has the extra line. If not, it is the second field.
1591 */
1592 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1593 /*
1594 * If set, then the picture_aspect field is valid. Otherwise assume that the
1595 * pixels are square, so the picture aspect ratio is the same as the width to
1596 * height ratio.
1597 */
1598 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1599 /*
1600 * If set, then the cea861_vic field is valid and contains the Video
1601 * Identification Code as per the CEA-861 standard.
1602 */
1603 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1604 /*
1605 * If set, then the hdmi_vic field is valid and contains the Video
1606 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1607 * InfoFrame).
1608 */
1609 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1610 /*
1611 * CEA-861 specific: only valid for video receivers.
1612 * If set, then HW can detect the difference between regular FPS and
1613 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1614 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1615 */
1616 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1617
1618 /* A few useful defines to calculate the total blanking and frame sizes */
1619 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1620 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1621 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1622 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1623 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1624 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1625 ((bt)->interlaced ? \
1626 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1627 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1628 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1629
1630 /** struct v4l2_dv_timings - DV timings
1631 * @type: the type of the timings
1632 * @bt: BT656/1120 timings
1633 */
1634 struct v4l2_dv_timings {
1635 __u32 type;
1636 union {
1637 struct v4l2_bt_timings bt;
1638 __u32 reserved[32];
1639 };
1640 } __attribute__ ((packed));
1641
1642 /* Values for the type field */
1643 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1644
1645
1646 /** struct v4l2_enum_dv_timings - DV timings enumeration
1647 * @index: enumeration index
1648 * @pad: the pad number for which to enumerate timings (used with
1649 * v4l-subdev nodes only)
1650 * @reserved: must be zeroed
1651 * @timings: the timings for the given index
1652 */
1653 struct v4l2_enum_dv_timings {
1654 __u32 index;
1655 __u32 pad;
1656 __u32 reserved[2];
1657 struct v4l2_dv_timings timings;
1658 };
1659
1660 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1661 * @min_width: width in pixels
1662 * @max_width: width in pixels
1663 * @min_height: height in lines
1664 * @max_height: height in lines
1665 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1666 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1667 * @standards: Supported standards
1668 * @capabilities: Supported capabilities
1669 * @reserved: Must be zeroed
1670 */
1671 struct v4l2_bt_timings_cap {
1672 __u32 min_width;
1673 __u32 max_width;
1674 __u32 min_height;
1675 __u32 max_height;
1676 __u64 min_pixelclock;
1677 __u64 max_pixelclock;
1678 __u32 standards;
1679 __u32 capabilities;
1680 __u32 reserved[16];
1681 } __attribute__ ((packed));
1682
1683 /* Supports interlaced formats */
1684 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1685 /* Supports progressive formats */
1686 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1687 /* Supports CVT/GTF reduced blanking */
1688 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1689 /* Supports custom formats */
1690 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1691
1692 /** struct v4l2_dv_timings_cap - DV timings capabilities
1693 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1694 * @pad: the pad number for which to query capabilities (used with
1695 * v4l-subdev nodes only)
1696 * @bt: the BT656/1120 timings capabilities
1697 */
1698 struct v4l2_dv_timings_cap {
1699 __u32 type;
1700 __u32 pad;
1701 __u32 reserved[2];
1702 union {
1703 struct v4l2_bt_timings_cap bt;
1704 __u32 raw_data[32];
1705 };
1706 };
1707
1708
1709 /*
1710 * V I D E O I N P U T S
1711 */
1712 struct v4l2_input {
1713 __u32 index; /* Which input */
1714 __u8 name[32]; /* Label */
1715 __u32 type; /* Type of input */
1716 __u32 audioset; /* Associated audios (bitfield) */
1717 __u32 tuner; /* Tuner index */
1718 v4l2_std_id std;
1719 __u32 status;
1720 __u32 capabilities;
1721 __u32 reserved[3];
1722 };
1723
1724 /* Values for the 'type' field */
1725 #define V4L2_INPUT_TYPE_TUNER 1
1726 #define V4L2_INPUT_TYPE_CAMERA 2
1727 #define V4L2_INPUT_TYPE_TOUCH 3
1728
1729 /* field 'status' - general */
1730 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1731 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1732 #define V4L2_IN_ST_NO_COLOR 0x00000004
1733
1734 /* field 'status' - sensor orientation */
1735 /* If sensor is mounted upside down set both bits */
1736 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1737 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1738
1739 /* field 'status' - analog */
1740 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1741 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1742 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1743 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1744
1745 /* field 'status' - digital */
1746 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1747 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1748 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1749
1750 /* field 'status' - VCR and set-top box */
1751 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1752 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1753 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1754
1755 /* capabilities flags */
1756 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1757 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1758 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1759 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1760
1761 /*
1762 * V I D E O O U T P U T S
1763 */
1764 struct v4l2_output {
1765 __u32 index; /* Which output */
1766 __u8 name[32]; /* Label */
1767 __u32 type; /* Type of output */
1768 __u32 audioset; /* Associated audios (bitfield) */
1769 __u32 modulator; /* Associated modulator */
1770 v4l2_std_id std;
1771 __u32 capabilities;
1772 __u32 reserved[3];
1773 };
1774 /* Values for the 'type' field */
1775 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1776 #define V4L2_OUTPUT_TYPE_ANALOG 2
1777 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1778
1779 /* capabilities flags */
1780 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1781 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1782 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1783 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1784
1785 /*
1786 * C O N T R O L S
1787 */
1788 struct v4l2_control {
1789 __u32 id;
1790 __s32 value;
1791 };
1792
1793 struct v4l2_ext_control {
1794 __u32 id;
1795 __u32 size;
1796 __u32 reserved2[1];
1797 union {
1798 __s32 value;
1799 __s64 value64;
1800 char __user *string;
1801 __u8 __user *p_u8;
1802 __u16 __user *p_u16;
1803 __u32 __user *p_u32;
1804 struct v4l2_area __user *p_area;
1805 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1806 struct v4l2_ctrl_h264_pps *p_h264_pps;
1807 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1808 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1809 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1810 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1811 struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1812 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1813 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1814 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1815 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1816 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1817 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1818 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1819 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1820 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1821 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1822 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1823 void __user *ptr;
1824 };
1825 } __attribute__ ((packed));
1826
1827 struct v4l2_ext_controls {
1828 union {
1829 #ifndef __KERNEL__
1830 __u32 ctrl_class;
1831 #endif
1832 __u32 which;
1833 };
1834 __u32 count;
1835 __u32 error_idx;
1836 __s32 request_fd;
1837 __u32 reserved[1];
1838 struct v4l2_ext_control *controls;
1839 };
1840
1841 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1842 #ifndef __KERNEL__
1843 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1844 #endif
1845 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1846 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1847 #define V4L2_CTRL_MAX_DIMS (4)
1848 #define V4L2_CTRL_WHICH_CUR_VAL 0
1849 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1850 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1851
1852 enum v4l2_ctrl_type {
1853 V4L2_CTRL_TYPE_INTEGER = 1,
1854 V4L2_CTRL_TYPE_BOOLEAN = 2,
1855 V4L2_CTRL_TYPE_MENU = 3,
1856 V4L2_CTRL_TYPE_BUTTON = 4,
1857 V4L2_CTRL_TYPE_INTEGER64 = 5,
1858 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1859 V4L2_CTRL_TYPE_STRING = 7,
1860 V4L2_CTRL_TYPE_BITMASK = 8,
1861 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1862
1863 /* Compound types are >= 0x0100 */
1864 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1865 V4L2_CTRL_TYPE_U8 = 0x0100,
1866 V4L2_CTRL_TYPE_U16 = 0x0101,
1867 V4L2_CTRL_TYPE_U32 = 0x0102,
1868 V4L2_CTRL_TYPE_AREA = 0x0106,
1869
1870 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1871 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1872
1873 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1874 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1875 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1876 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1877 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1878 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1879
1880 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1881
1882 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1883
1884 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1885 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1886 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1887
1888 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1889 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1890
1891 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1892 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1893 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1894 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1895 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1896 };
1897
1898 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1899 struct v4l2_queryctrl {
1900 __u32 id;
1901 __u32 type; /* enum v4l2_ctrl_type */
1902 __u8 name[32]; /* Whatever */
1903 __s32 minimum; /* Note signedness */
1904 __s32 maximum;
1905 __s32 step;
1906 __s32 default_value;
1907 __u32 flags;
1908 __u32 reserved[2];
1909 };
1910
1911 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1912 struct v4l2_query_ext_ctrl {
1913 __u32 id;
1914 __u32 type;
1915 char name[32];
1916 __s64 minimum;
1917 __s64 maximum;
1918 __u64 step;
1919 __s64 default_value;
1920 __u32 flags;
1921 __u32 elem_size;
1922 __u32 elems;
1923 __u32 nr_of_dims;
1924 __u32 dims[V4L2_CTRL_MAX_DIMS];
1925 __u32 reserved[32];
1926 };
1927
1928 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1929 struct v4l2_querymenu {
1930 __u32 id;
1931 __u32 index;
1932 union {
1933 __u8 name[32]; /* Whatever */
1934 __s64 value;
1935 };
1936 __u32 reserved;
1937 } __attribute__ ((packed));
1938
1939 /* Control flags */
1940 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1941 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1942 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1943 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1944 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1945 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1946 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1947 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1948 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1949 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1950 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1951 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
1952
1953 /* Query flags, to be ORed with the control ID */
1954 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1955 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1956
1957 /* User-class control IDs defined by V4L2 */
1958 #define V4L2_CID_MAX_CTRLS 1024
1959 /* IDs reserved for driver specific controls */
1960 #define V4L2_CID_PRIVATE_BASE 0x08000000
1961
1962
1963 /*
1964 * T U N I N G
1965 */
1966 struct v4l2_tuner {
1967 __u32 index;
1968 __u8 name[32];
1969 __u32 type; /* enum v4l2_tuner_type */
1970 __u32 capability;
1971 __u32 rangelow;
1972 __u32 rangehigh;
1973 __u32 rxsubchans;
1974 __u32 audmode;
1975 __s32 signal;
1976 __s32 afc;
1977 __u32 reserved[4];
1978 };
1979
1980 struct v4l2_modulator {
1981 __u32 index;
1982 __u8 name[32];
1983 __u32 capability;
1984 __u32 rangelow;
1985 __u32 rangehigh;
1986 __u32 txsubchans;
1987 __u32 type; /* enum v4l2_tuner_type */
1988 __u32 reserved[3];
1989 };
1990
1991 /* Flags for the 'capability' field */
1992 #define V4L2_TUNER_CAP_LOW 0x0001
1993 #define V4L2_TUNER_CAP_NORM 0x0002
1994 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1995 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1996 #define V4L2_TUNER_CAP_STEREO 0x0010
1997 #define V4L2_TUNER_CAP_LANG2 0x0020
1998 #define V4L2_TUNER_CAP_SAP 0x0020
1999 #define V4L2_TUNER_CAP_LANG1 0x0040
2000 #define V4L2_TUNER_CAP_RDS 0x0080
2001 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
2002 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
2003 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
2004 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
2005 #define V4L2_TUNER_CAP_1HZ 0x1000
2006
2007 /* Flags for the 'rxsubchans' field */
2008 #define V4L2_TUNER_SUB_MONO 0x0001
2009 #define V4L2_TUNER_SUB_STEREO 0x0002
2010 #define V4L2_TUNER_SUB_LANG2 0x0004
2011 #define V4L2_TUNER_SUB_SAP 0x0004
2012 #define V4L2_TUNER_SUB_LANG1 0x0008
2013 #define V4L2_TUNER_SUB_RDS 0x0010
2014
2015 /* Values for the 'audmode' field */
2016 #define V4L2_TUNER_MODE_MONO 0x0000
2017 #define V4L2_TUNER_MODE_STEREO 0x0001
2018 #define V4L2_TUNER_MODE_LANG2 0x0002
2019 #define V4L2_TUNER_MODE_SAP 0x0002
2020 #define V4L2_TUNER_MODE_LANG1 0x0003
2021 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
2022
2023 struct v4l2_frequency {
2024 __u32 tuner;
2025 __u32 type; /* enum v4l2_tuner_type */
2026 __u32 frequency;
2027 __u32 reserved[8];
2028 };
2029
2030 #define V4L2_BAND_MODULATION_VSB (1 << 1)
2031 #define V4L2_BAND_MODULATION_FM (1 << 2)
2032 #define V4L2_BAND_MODULATION_AM (1 << 3)
2033
2034 struct v4l2_frequency_band {
2035 __u32 tuner;
2036 __u32 type; /* enum v4l2_tuner_type */
2037 __u32 index;
2038 __u32 capability;
2039 __u32 rangelow;
2040 __u32 rangehigh;
2041 __u32 modulation;
2042 __u32 reserved[9];
2043 };
2044
2045 struct v4l2_hw_freq_seek {
2046 __u32 tuner;
2047 __u32 type; /* enum v4l2_tuner_type */
2048 __u32 seek_upward;
2049 __u32 wrap_around;
2050 __u32 spacing;
2051 __u32 rangelow;
2052 __u32 rangehigh;
2053 __u32 reserved[5];
2054 };
2055
2056 /*
2057 * R D S
2058 */
2059
2060 struct v4l2_rds_data {
2061 __u8 lsb;
2062 __u8 msb;
2063 __u8 block;
2064 } __attribute__ ((packed));
2065
2066 #define V4L2_RDS_BLOCK_MSK 0x7
2067 #define V4L2_RDS_BLOCK_A 0
2068 #define V4L2_RDS_BLOCK_B 1
2069 #define V4L2_RDS_BLOCK_C 2
2070 #define V4L2_RDS_BLOCK_D 3
2071 #define V4L2_RDS_BLOCK_C_ALT 4
2072 #define V4L2_RDS_BLOCK_INVALID 7
2073
2074 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2075 #define V4L2_RDS_BLOCK_ERROR 0x80
2076
2077 /*
2078 * A U D I O
2079 */
2080 struct v4l2_audio {
2081 __u32 index;
2082 __u8 name[32];
2083 __u32 capability;
2084 __u32 mode;
2085 __u32 reserved[2];
2086 };
2087
2088 /* Flags for the 'capability' field */
2089 #define V4L2_AUDCAP_STEREO 0x00001
2090 #define V4L2_AUDCAP_AVL 0x00002
2091
2092 /* Flags for the 'mode' field */
2093 #define V4L2_AUDMODE_AVL 0x00001
2094
2095 struct v4l2_audioout {
2096 __u32 index;
2097 __u8 name[32];
2098 __u32 capability;
2099 __u32 mode;
2100 __u32 reserved[2];
2101 };
2102
2103 /*
2104 * M P E G S E R V I C E S
2105 */
2106 #if 1
2107 #define V4L2_ENC_IDX_FRAME_I (0)
2108 #define V4L2_ENC_IDX_FRAME_P (1)
2109 #define V4L2_ENC_IDX_FRAME_B (2)
2110 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2111
2112 struct v4l2_enc_idx_entry {
2113 __u64 offset;
2114 __u64 pts;
2115 __u32 length;
2116 __u32 flags;
2117 __u32 reserved[2];
2118 };
2119
2120 #define V4L2_ENC_IDX_ENTRIES (64)
2121 struct v4l2_enc_idx {
2122 __u32 entries;
2123 __u32 entries_cap;
2124 __u32 reserved[4];
2125 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2126 };
2127
2128
2129 #define V4L2_ENC_CMD_START (0)
2130 #define V4L2_ENC_CMD_STOP (1)
2131 #define V4L2_ENC_CMD_PAUSE (2)
2132 #define V4L2_ENC_CMD_RESUME (3)
2133
2134 /* Flags for V4L2_ENC_CMD_STOP */
2135 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2136
2137 struct v4l2_encoder_cmd {
2138 __u32 cmd;
2139 __u32 flags;
2140 union {
2141 struct {
2142 __u32 data[8];
2143 } raw;
2144 };
2145 };
2146
2147 /* Decoder commands */
2148 #define V4L2_DEC_CMD_START (0)
2149 #define V4L2_DEC_CMD_STOP (1)
2150 #define V4L2_DEC_CMD_PAUSE (2)
2151 #define V4L2_DEC_CMD_RESUME (3)
2152 #define V4L2_DEC_CMD_FLUSH (4)
2153
2154 /* Flags for V4L2_DEC_CMD_START */
2155 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2156
2157 /* Flags for V4L2_DEC_CMD_PAUSE */
2158 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2159
2160 /* Flags for V4L2_DEC_CMD_STOP */
2161 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2162 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2163
2164 /* Play format requirements (returned by the driver): */
2165
2166 /* The decoder has no special format requirements */
2167 #define V4L2_DEC_START_FMT_NONE (0)
2168 /* The decoder requires full GOPs */
2169 #define V4L2_DEC_START_FMT_GOP (1)
2170
2171 /* The structure must be zeroed before use by the application
2172 This ensures it can be extended safely in the future. */
2173 struct v4l2_decoder_cmd {
2174 __u32 cmd;
2175 __u32 flags;
2176 union {
2177 struct {
2178 __u64 pts;
2179 } stop;
2180
2181 struct {
2182 /* 0 or 1000 specifies normal speed,
2183 1 specifies forward single stepping,
2184 -1 specifies backward single stepping,
2185 >1: playback at speed/1000 of the normal speed,
2186 <-1: reverse playback at (-speed/1000) of the normal speed. */
2187 __s32 speed;
2188 __u32 format;
2189 } start;
2190
2191 struct {
2192 __u32 data[16];
2193 } raw;
2194 };
2195 };
2196 #endif
2197
2198
2199 /*
2200 * D A T A S E R V I C E S ( V B I )
2201 *
2202 * Data services API by Michael Schimek
2203 */
2204
2205 /* Raw VBI */
2206 struct v4l2_vbi_format {
2207 __u32 sampling_rate; /* in 1 Hz */
2208 __u32 offset;
2209 __u32 samples_per_line;
2210 __u32 sample_format; /* V4L2_PIX_FMT_* */
2211 __s32 start[2];
2212 __u32 count[2];
2213 __u32 flags; /* V4L2_VBI_* */
2214 __u32 reserved[2]; /* must be zero */
2215 };
2216
2217 /* VBI flags */
2218 #define V4L2_VBI_UNSYNC (1 << 0)
2219 #define V4L2_VBI_INTERLACED (1 << 1)
2220
2221 /* ITU-R start lines for each field */
2222 #define V4L2_VBI_ITU_525_F1_START (1)
2223 #define V4L2_VBI_ITU_525_F2_START (264)
2224 #define V4L2_VBI_ITU_625_F1_START (1)
2225 #define V4L2_VBI_ITU_625_F2_START (314)
2226
2227 /* Sliced VBI
2228 *
2229 * This implements is a proposal V4L2 API to allow SLICED VBI
2230 * required for some hardware encoders. It should change without
2231 * notice in the definitive implementation.
2232 */
2233
2234 struct v4l2_sliced_vbi_format {
2235 __u16 service_set;
2236 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2237 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2238 (equals frame lines 313-336 for 625 line video
2239 standards, 263-286 for 525 line standards) */
2240 __u16 service_lines[2][24];
2241 __u32 io_size;
2242 __u32 reserved[2]; /* must be zero */
2243 };
2244
2245 /* Teletext World System Teletext
2246 (WST), defined on ITU-R BT.653-2 */
2247 #define V4L2_SLICED_TELETEXT_B (0x0001)
2248 /* Video Program System, defined on ETS 300 231*/
2249 #define V4L2_SLICED_VPS (0x0400)
2250 /* Closed Caption, defined on EIA-608 */
2251 #define V4L2_SLICED_CAPTION_525 (0x1000)
2252 /* Wide Screen System, defined on ITU-R BT1119.1 */
2253 #define V4L2_SLICED_WSS_625 (0x4000)
2254
2255 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2256 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2257
2258 struct v4l2_sliced_vbi_cap {
2259 __u16 service_set;
2260 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2261 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2262 (equals frame lines 313-336 for 625 line video
2263 standards, 263-286 for 525 line standards) */
2264 __u16 service_lines[2][24];
2265 __u32 type; /* enum v4l2_buf_type */
2266 __u32 reserved[3]; /* must be 0 */
2267 };
2268
2269 struct v4l2_sliced_vbi_data {
2270 __u32 id;
2271 __u32 field; /* 0: first field, 1: second field */
2272 __u32 line; /* 1-23 */
2273 __u32 reserved; /* must be 0 */
2274 __u8 data[48];
2275 };
2276
2277 /*
2278 * Sliced VBI data inserted into MPEG Streams
2279 */
2280
2281 /*
2282 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2283 *
2284 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2285 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2286 * data
2287 *
2288 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2289 * definitions are not included here. See the MPEG-2 specifications for details
2290 * on these headers.
2291 */
2292
2293 /* Line type IDs */
2294 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2295 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2296 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2297 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2298
2299 struct v4l2_mpeg_vbi_itv0_line {
2300 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2301 __u8 data[42]; /* Sliced VBI data for the line */
2302 } __attribute__ ((packed));
2303
2304 struct v4l2_mpeg_vbi_itv0 {
2305 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2306 struct v4l2_mpeg_vbi_itv0_line line[35];
2307 } __attribute__ ((packed));
2308
2309 struct v4l2_mpeg_vbi_ITV0 {
2310 struct v4l2_mpeg_vbi_itv0_line line[36];
2311 } __attribute__ ((packed));
2312
2313 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2314 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2315
2316 struct v4l2_mpeg_vbi_fmt_ivtv {
2317 __u8 magic[4];
2318 union {
2319 struct v4l2_mpeg_vbi_itv0 itv0;
2320 struct v4l2_mpeg_vbi_ITV0 ITV0;
2321 };
2322 } __attribute__ ((packed));
2323
2324 /*
2325 * A G G R E G A T E S T R U C T U R E S
2326 */
2327
2328 /**
2329 * struct v4l2_plane_pix_format - additional, per-plane format definition
2330 * @sizeimage: maximum size in bytes required for data, for which
2331 * this plane will be used
2332 * @bytesperline: distance in bytes between the leftmost pixels in two
2333 * adjacent lines
2334 * @reserved: drivers and applications must zero this array
2335 */
2336 struct v4l2_plane_pix_format {
2337 __u32 sizeimage;
2338 __u32 bytesperline;
2339 __u16 reserved[6];
2340 } __attribute__ ((packed));
2341
2342 /**
2343 * struct v4l2_pix_format_mplane - multiplanar format definition
2344 * @width: image width in pixels
2345 * @height: image height in pixels
2346 * @pixelformat: little endian four character code (fourcc)
2347 * @field: enum v4l2_field; field order (for interlaced video)
2348 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2349 * @plane_fmt: per-plane information
2350 * @num_planes: number of planes for this format
2351 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2352 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2353 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2354 * @quantization: enum v4l2_quantization, colorspace quantization
2355 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2356 * @reserved: drivers and applications must zero this array
2357 */
2358 struct v4l2_pix_format_mplane {
2359 __u32 width;
2360 __u32 height;
2361 __u32 pixelformat;
2362 __u32 field;
2363 __u32 colorspace;
2364
2365 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2366 __u8 num_planes;
2367 __u8 flags;
2368 union {
2369 __u8 ycbcr_enc;
2370 __u8 hsv_enc;
2371 };
2372 __u8 quantization;
2373 __u8 xfer_func;
2374 __u8 reserved[7];
2375 } __attribute__ ((packed));
2376
2377 /**
2378 * struct v4l2_sdr_format - SDR format definition
2379 * @pixelformat: little endian four character code (fourcc)
2380 * @buffersize: maximum size in bytes required for data
2381 * @reserved: drivers and applications must zero this array
2382 */
2383 struct v4l2_sdr_format {
2384 __u32 pixelformat;
2385 __u32 buffersize;
2386 __u8 reserved[24];
2387 } __attribute__ ((packed));
2388
2389 /**
2390 * struct v4l2_meta_format - metadata format definition
2391 * @dataformat: little endian four character code (fourcc)
2392 * @buffersize: maximum size in bytes required for data
2393 */
2394 struct v4l2_meta_format {
2395 __u32 dataformat;
2396 __u32 buffersize;
2397 } __attribute__ ((packed));
2398
2399 /**
2400 * struct v4l2_format - stream data format
2401 * @type: enum v4l2_buf_type; type of the data stream
2402 * @pix: definition of an image format
2403 * @pix_mp: definition of a multiplanar image format
2404 * @win: definition of an overlaid image
2405 * @vbi: raw VBI capture or output parameters
2406 * @sliced: sliced VBI capture or output parameters
2407 * @raw_data: placeholder for future extensions and custom formats
2408 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
2409 * and @raw_data
2410 */
2411 struct v4l2_format {
2412 __u32 type;
2413 union {
2414 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2415 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2416 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2417 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2418 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2419 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2420 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2421 __u8 raw_data[200]; /* user-defined */
2422 } fmt;
2423 };
2424
2425 /* Stream type-dependent parameters
2426 */
2427 struct v4l2_streamparm {
2428 __u32 type; /* enum v4l2_buf_type */
2429 union {
2430 struct v4l2_captureparm capture;
2431 struct v4l2_outputparm output;
2432 __u8 raw_data[200]; /* user-defined */
2433 } parm;
2434 };
2435
2436 /*
2437 * E V E N T S
2438 */
2439
2440 #define V4L2_EVENT_ALL 0
2441 #define V4L2_EVENT_VSYNC 1
2442 #define V4L2_EVENT_EOS 2
2443 #define V4L2_EVENT_CTRL 3
2444 #define V4L2_EVENT_FRAME_SYNC 4
2445 #define V4L2_EVENT_SOURCE_CHANGE 5
2446 #define V4L2_EVENT_MOTION_DET 6
2447 #define V4L2_EVENT_PRIVATE_START 0x08000000
2448
2449 /* Payload for V4L2_EVENT_VSYNC */
2450 struct v4l2_event_vsync {
2451 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2452 __u8 field;
2453 } __attribute__ ((packed));
2454
2455 /* Payload for V4L2_EVENT_CTRL */
2456 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2457 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2458 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2459 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3)
2460
2461 struct v4l2_event_ctrl {
2462 __u32 changes;
2463 __u32 type;
2464 union {
2465 __s32 value;
2466 __s64 value64;
2467 };
2468 __u32 flags;
2469 __s32 minimum;
2470 __s32 maximum;
2471 __s32 step;
2472 __s32 default_value;
2473 };
2474
2475 struct v4l2_event_frame_sync {
2476 __u32 frame_sequence;
2477 };
2478
2479 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2480
2481 struct v4l2_event_src_change {
2482 __u32 changes;
2483 };
2484
2485 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2486
2487 /**
2488 * struct v4l2_event_motion_det - motion detection event
2489 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2490 * frame_sequence field is valid.
2491 * @frame_sequence: the frame sequence number associated with this event.
2492 * @region_mask: which regions detected motion.
2493 */
2494 struct v4l2_event_motion_det {
2495 __u32 flags;
2496 __u32 frame_sequence;
2497 __u32 region_mask;
2498 };
2499
2500 struct v4l2_event {
2501 __u32 type;
2502 union {
2503 struct v4l2_event_vsync vsync;
2504 struct v4l2_event_ctrl ctrl;
2505 struct v4l2_event_frame_sync frame_sync;
2506 struct v4l2_event_src_change src_change;
2507 struct v4l2_event_motion_det motion_det;
2508 __u8 data[64];
2509 } u;
2510 __u32 pending;
2511 __u32 sequence;
2512 #ifdef __KERNEL__
2513 struct __kernel_timespec timestamp;
2514 #else
2515 struct timespec timestamp;
2516 #endif
2517 __u32 id;
2518 __u32 reserved[8];
2519 };
2520
2521 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2522 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2523
2524 struct v4l2_event_subscription {
2525 __u32 type;
2526 __u32 id;
2527 __u32 flags;
2528 __u32 reserved[5];
2529 };
2530
2531 /*
2532 * A D V A N C E D D E B U G G I N G
2533 *
2534 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2535 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2536 */
2537
2538 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2539
2540 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2541 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2542
2543 /* The following four defines are no longer in use */
2544 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2545 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2546 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2547 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2548
2549 struct v4l2_dbg_match {
2550 __u32 type; /* Match type */
2551 union { /* Match this chip, meaning determined by type */
2552 __u32 addr;
2553 char name[32];
2554 };
2555 } __attribute__ ((packed));
2556
2557 struct v4l2_dbg_register {
2558 struct v4l2_dbg_match match;
2559 __u32 size; /* register size in bytes */
2560 __u64 reg;
2561 __u64 val;
2562 } __attribute__ ((packed));
2563
2564 #define V4L2_CHIP_FL_READABLE (1 << 0)
2565 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2566
2567 /* VIDIOC_DBG_G_CHIP_INFO */
2568 struct v4l2_dbg_chip_info {
2569 struct v4l2_dbg_match match;
2570 char name[32];
2571 __u32 flags;
2572 __u32 reserved[32];
2573 } __attribute__ ((packed));
2574
2575 /**
2576 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2577 * @index: on return, index of the first created buffer
2578 * @count: entry: number of requested buffers,
2579 * return: number of created buffers
2580 * @memory: enum v4l2_memory; buffer memory type
2581 * @format: frame format, for which buffers are requested
2582 * @capabilities: capabilities of this buffer type.
2583 * @flags: additional buffer management attributes (ignored unless the
2584 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2585 * and configured for MMAP streaming I/O).
2586 * @reserved: future extensions
2587 */
2588 struct v4l2_create_buffers {
2589 __u32 index;
2590 __u32 count;
2591 __u32 memory;
2592 struct v4l2_format format;
2593 __u32 capabilities;
2594 __u32 flags;
2595 __u32 reserved[6];
2596 };
2597
2598 /*
2599 * 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
2600 *
2601 */
2602 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2603 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2604 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2605 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2606 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2607 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2608 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2609 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2610 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2611 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2612 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2613 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2614 #define VIDIOC_STREAMON _IOW('V', 18, int)
2615 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2616 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2617 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2618 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2619 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2620 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2621 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2622 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2623 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2624 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2625 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2626 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2627 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2628 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2629 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2630 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2631 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2632 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2633 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2634 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2635 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2636 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2637 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2638 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2639 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2640 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2641 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2642 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2643 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2644 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2645 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2646 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2647 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2648 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2649 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2650 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2651 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2652 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2653 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2654 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2655 #define VIDIOC_LOG_STATUS _IO('V', 70)
2656 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2657 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2658 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2659 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2660 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2661 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2662 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2663 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2664
2665 /*
2666 * Experimental, meant for debugging, testing and internal use.
2667 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2668 * You must be root to use these ioctls. Never use these in applications!
2669 */
2670 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2671 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2672
2673 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2674 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2675 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2676 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2677 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2678 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2679 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2680 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2681 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2682 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2683 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2684 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2685 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2686 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2687 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2688 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2689
2690 /*
2691 * Experimental, meant for debugging, testing and internal use.
2692 * Never use this in applications!
2693 */
2694 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2695
2696 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2697
2698 /* Reminder: when adding new ioctls please add support for them to
2699 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2700
2701 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2702
2703 /* Deprecated definitions kept for backwards compatibility */
2704 #ifndef __KERNEL__
2705 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2706 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2707 /*
2708 * This capability was never implemented, anyone using this cap should drop it
2709 * from their code.
2710 */
2711 #define V4L2_CAP_ASYNCIO 0x02000000
2712 #endif
2713
2714 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2715