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 __LINUX_VIDEODEV2_H
58 #define __LINUX_VIDEODEV2_H
59
60 #include <sys/time.h>
61 #include <sys/ioctl.h>
62
63 #include "ext/types-compat.h"
64 #include "ext/v4l2-common.h"
65 #include "ext/v4l2-controls.h"
66
67 /*
68 * Common stuff for both V4L1 and V4L2
69 * Moved from videodev.h
70 */
71 #define VIDEO_MAX_FRAME 32
72 #define VIDEO_MAX_PLANES 8
73
74 /*
75 * M I S C E L L A N E O U S
76 */
77
78 /* Four-character-code (FOURCC) */
79 #define v4l2_fourcc(a, b, c, d)\
80 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
81 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
82
83 /*
84 * E N U M S
85 */
86 enum v4l2_field {
87 V4L2_FIELD_ANY = 0, /* driver can choose from none,
88 top, bottom, interlaced
89 depending on whatever it thinks
90 is approximate ... */
91 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
92 V4L2_FIELD_TOP = 2, /* top field only */
93 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
94 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
95 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
96 buffer, top-bottom order */
97 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
98 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
99 separate buffers */
100 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
101 first and the top field is
102 transmitted first */
103 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
104 first and the bottom field is
105 transmitted first */
106 };
107 #define V4L2_FIELD_HAS_TOP(field) \
108 ((field) == V4L2_FIELD_TOP ||\
109 (field) == V4L2_FIELD_INTERLACED ||\
110 (field) == V4L2_FIELD_INTERLACED_TB ||\
111 (field) == V4L2_FIELD_INTERLACED_BT ||\
112 (field) == V4L2_FIELD_SEQ_TB ||\
113 (field) == V4L2_FIELD_SEQ_BT)
114 #define V4L2_FIELD_HAS_BOTTOM(field) \
115 ((field) == V4L2_FIELD_BOTTOM ||\
116 (field) == V4L2_FIELD_INTERLACED ||\
117 (field) == V4L2_FIELD_INTERLACED_TB ||\
118 (field) == V4L2_FIELD_INTERLACED_BT ||\
119 (field) == V4L2_FIELD_SEQ_TB ||\
120 (field) == V4L2_FIELD_SEQ_BT)
121 #define V4L2_FIELD_HAS_BOTH(field) \
122 ((field) == V4L2_FIELD_INTERLACED ||\
123 (field) == V4L2_FIELD_INTERLACED_TB ||\
124 (field) == V4L2_FIELD_INTERLACED_BT ||\
125 (field) == V4L2_FIELD_SEQ_TB ||\
126 (field) == V4L2_FIELD_SEQ_BT)
127 #define V4L2_FIELD_HAS_T_OR_B(field) \
128 ((field) == V4L2_FIELD_BOTTOM ||\
129 (field) == V4L2_FIELD_TOP ||\
130 (field) == V4L2_FIELD_ALTERNATE)
131 #define V4L2_FIELD_IS_INTERLACED(field) \
132 ((field) == V4L2_FIELD_INTERLACED ||\
133 (field) == V4L2_FIELD_INTERLACED_TB ||\
134 (field) == V4L2_FIELD_INTERLACED_BT)
135 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
136 ((field) == V4L2_FIELD_SEQ_TB ||\
137 (field) == V4L2_FIELD_SEQ_BT)
138
139 enum v4l2_buf_type {
140 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
141 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
142 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
143 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
144 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
145 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
146 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
147 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
148 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
149 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
150 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
151 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
152 V4L2_BUF_TYPE_META_CAPTURE = 13,
153 V4L2_BUF_TYPE_META_OUTPUT = 14,
154 /* Deprecated, do not use */
155 V4L2_BUF_TYPE_PRIVATE = 0x80,
156 };
157
158 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
159 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
161
162 #define V4L2_TYPE_IS_OUTPUT(type) \
163 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
164 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
165 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
167 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
168 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
169 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
170 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
171
172 enum v4l2_tuner_type {
173 V4L2_TUNER_RADIO = 1,
174 V4L2_TUNER_ANALOG_TV = 2,
175 V4L2_TUNER_DIGITAL_TV = 3,
176 V4L2_TUNER_SDR = 4,
177 V4L2_TUNER_RF = 5,
178 };
179
180 /* Deprecated, do not use */
181 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
182
183 enum v4l2_memory {
184 V4L2_MEMORY_MMAP = 1,
185 V4L2_MEMORY_USERPTR = 2,
186 V4L2_MEMORY_OVERLAY = 3,
187 V4L2_MEMORY_DMABUF = 4,
188 };
189
190 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
191 enum v4l2_colorspace {
192 /*
193 * Default colorspace, i.e. let the driver figure it out.
194 * Can only be used with video capture.
195 */
196 V4L2_COLORSPACE_DEFAULT = 0,
197
198 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
199 V4L2_COLORSPACE_SMPTE170M = 1,
200
201 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
202 V4L2_COLORSPACE_SMPTE240M = 2,
203
204 /* Rec.709: used for HDTV */
205 V4L2_COLORSPACE_REC709 = 3,
206
207 /*
208 * Deprecated, do not use. No driver will ever return this. This was
209 * based on a misunderstanding of the bt878 datasheet.
210 */
211 V4L2_COLORSPACE_BT878 = 4,
212
213 /*
214 * NTSC 1953 colorspace. This only makes sense when dealing with
215 * really, really old NTSC recordings. Superseded by SMPTE 170M.
216 */
217 V4L2_COLORSPACE_470_SYSTEM_M = 5,
218
219 /*
220 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
221 * dealing with really old PAL/SECAM recordings. Superseded by
222 * SMPTE 170M.
223 */
224 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
225
226 /*
227 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
228 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
229 */
230 V4L2_COLORSPACE_JPEG = 7,
231
232 /* For RGB colorspaces such as produces by most webcams. */
233 V4L2_COLORSPACE_SRGB = 8,
234
235 /* opRGB colorspace */
236 V4L2_COLORSPACE_OPRGB = 9,
237
238 /* BT.2020 colorspace, used for UHDTV. */
239 V4L2_COLORSPACE_BT2020 = 10,
240
241 /* Raw colorspace: for RAW unprocessed images */
242 V4L2_COLORSPACE_RAW = 11,
243
244 /* DCI-P3 colorspace, used by cinema projectors */
245 V4L2_COLORSPACE_DCI_P3 = 12,
246 };
247
248 /*
249 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
250 * This depends on whether this is a SDTV image (use SMPTE 170M), an
251 * HDTV image (use Rec. 709), or something else (use sRGB).
252 */
253 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
254 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
255 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
256
257 enum v4l2_xfer_func {
258 /*
259 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
260 * for the various colorspaces:
261 *
262 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
263 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
264 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
265 *
266 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
267 *
268 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
269 *
270 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
271 *
272 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
273 *
274 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
275 */
276 V4L2_XFER_FUNC_DEFAULT = 0,
277 V4L2_XFER_FUNC_709 = 1,
278 V4L2_XFER_FUNC_SRGB = 2,
279 V4L2_XFER_FUNC_OPRGB = 3,
280 V4L2_XFER_FUNC_SMPTE240M = 4,
281 V4L2_XFER_FUNC_NONE = 5,
282 V4L2_XFER_FUNC_DCI_P3 = 6,
283 V4L2_XFER_FUNC_SMPTE2084 = 7,
284 };
285
286 /*
287 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
288 * This depends on the colorspace.
289 */
290 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
291 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
292 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
293 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
294 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
295 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
296 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
297
298 enum v4l2_ycbcr_encoding {
299 /*
300 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
301 * various colorspaces:
302 *
303 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
304 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
305 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
306 *
307 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
308 *
309 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
310 *
311 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
312 */
313 V4L2_YCBCR_ENC_DEFAULT = 0,
314
315 /* ITU-R 601 -- SDTV */
316 V4L2_YCBCR_ENC_601 = 1,
317
318 /* Rec. 709 -- HDTV */
319 V4L2_YCBCR_ENC_709 = 2,
320
321 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
322 V4L2_YCBCR_ENC_XV601 = 3,
323
324 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
325 V4L2_YCBCR_ENC_XV709 = 4,
326
327 /*
328 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
329 * originally due to a misunderstanding of the sYCC standard. It should
330 * not be used, instead use V4L2_YCBCR_ENC_601.
331 */
332 V4L2_YCBCR_ENC_SYCC = 5,
333
334 /* BT.2020 Non-constant Luminance Y'CbCr */
335 V4L2_YCBCR_ENC_BT2020 = 6,
336
337 /* BT.2020 Constant Luminance Y'CbcCrc */
338 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
339
340 /* SMPTE 240M -- Obsolete HDTV */
341 V4L2_YCBCR_ENC_SMPTE240M = 8,
342 };
343
344 /*
345 * enum v4l2_hsv_encoding values should not collide with the ones from
346 * enum v4l2_ycbcr_encoding.
347 */
348 enum v4l2_hsv_encoding {
349
350 /* Hue mapped to 0 - 179 */
351 V4L2_HSV_ENC_180 = 128,
352
353 /* Hue mapped to 0-255 */
354 V4L2_HSV_ENC_256 = 129,
355 };
356
357 /*
358 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
359 * This depends on the colorspace.
360 */
361 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
362 (((colsp) == V4L2_COLORSPACE_REC709 || \
363 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
364 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
365 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
366 V4L2_YCBCR_ENC_601)))
367
368 enum v4l2_quantization {
369 /*
370 * The default for R'G'B' quantization is always full range, except
371 * for the BT2020 colorspace. For Y'CbCr the quantization is always
372 * limited range, except for COLORSPACE_JPEG: this is full range.
373 */
374 V4L2_QUANTIZATION_DEFAULT = 0,
375 V4L2_QUANTIZATION_FULL_RANGE = 1,
376 V4L2_QUANTIZATION_LIM_RANGE = 2,
377 };
378
379 /*
380 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
381 * This depends on whether the image is RGB or not, the colorspace and the
382 * Y'CbCr encoding.
383 */
384 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
385 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
386 V4L2_QUANTIZATION_LIM_RANGE : \
387 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
388 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
389
390 /*
391 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
392 *
393 * WARNING: Please don't use these deprecated defines in your code, as
394 * there is a chance we have to remove them in the future.
395 */
396 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
397 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
398
399 enum v4l2_priority {
400 V4L2_PRIORITY_UNSET = 0, /* not initialized */
401 V4L2_PRIORITY_BACKGROUND = 1,
402 V4L2_PRIORITY_INTERACTIVE = 2,
403 V4L2_PRIORITY_RECORD = 3,
404 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
405 };
406
407 struct v4l2_rect {
408 __s32 left;
409 __s32 top;
410 __u32 width;
411 __u32 height;
412 };
413
414 struct v4l2_fract {
415 __u32 numerator;
416 __u32 denominator;
417 };
418
419 /**
420 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
421 *
422 * @driver: name of the driver module (e.g. "bttv")
423 * @card: name of the card (e.g. "Hauppauge WinTV")
424 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
425 * @version: KERNEL_VERSION
426 * @capabilities: capabilities of the physical device as a whole
427 * @device_caps: capabilities accessed via this particular device (node)
428 * @reserved: reserved fields for future extensions
429 */
430 struct v4l2_capability {
431 __u8 driver[16];
432 __u8 card[32];
433 __u8 bus_info[32];
434 __u32 version;
435 __u32 capabilities;
436 __u32 device_caps;
437 __u32 reserved[3];
438 };
439
440 /* Values for 'capabilities' field */
441 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
442 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
443 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
444 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
445 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
446 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
447 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
448 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
449 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
450 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
451 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
452
453 /* Is a video capture device that supports multiplanar formats */
454 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
455 /* Is a video output device that supports multiplanar formats */
456 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
457 /* Is a video mem-to-mem device that supports multiplanar formats */
458 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
459 /* Is a video mem-to-mem device */
460 #define V4L2_CAP_VIDEO_M2M 0x00008000
461
462 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
463 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
464 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
465 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
466
467 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
468 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
469 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
470 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
471
472 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
473 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
474 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
475 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
476
477 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
478
479 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
480
481 /*
482 * V I D E O I M A G E F O R M A T
483 */
484 struct v4l2_pix_format {
485 __u32 width;
486 __u32 height;
487 __u32 pixelformat;
488 __u32 field; /* enum v4l2_field */
489 __u32 bytesperline; /* for padding, zero if unused */
490 __u32 sizeimage;
491 __u32 colorspace; /* enum v4l2_colorspace */
492 __u32 priv; /* private data, depends on pixelformat */
493 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
494 union {
495 /* enum v4l2_ycbcr_encoding */
496 __u32 ycbcr_enc;
497 /* enum v4l2_hsv_encoding */
498 __u32 hsv_enc;
499 };
500 __u32 quantization; /* enum v4l2_quantization */
501 __u32 xfer_func; /* enum v4l2_xfer_func */
502 };
503
504 /* Pixel format FOURCC depth Description */
505
506 /* RGB formats */
507 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
508 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
509 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
510 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
511 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
512 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
513 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
514 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
515 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
516 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
517 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
518 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
519 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
520 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
521 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
522 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
523 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
524 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
525 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
526 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
527 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
528
529 /* Grey formats */
530 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
531 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
532 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
533 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
534 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
535 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
536 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
537
538 /* Grey bit-packed formats */
539 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
540 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
541
542 /* Palette formats */
543 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
544
545 /* Chrominance formats */
546 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
547
548 /* Luminance+Chrominance formats */
549 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
550 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
551 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
552 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
553 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
554 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
555 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
556 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
557 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
558 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
559 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
560 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
561 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
562 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
563 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
564 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
565 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
566
567 /* two planes -- one Y, one Cr + Cb interleaved */
568 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
569 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
570 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
571 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
572 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
573 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
574
575 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
576 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
577 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
578 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
579 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
580 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
581 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
582
583 /* three planes - Y Cb, Cr */
584 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
585 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
586 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
587 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
588 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
589 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
590
591 /* three non contiguous planes - Y, Cb, Cr */
592 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
593 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
594 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
595 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
596 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
597 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
598
599 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
600 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
601 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
602 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
603 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
604 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
605 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
606 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
607 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
608 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
609 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
610 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
611 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
612 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
613 /* 10bit raw bayer a-law compressed to 8 bits */
614 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
615 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
616 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
617 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
618 /* 10bit raw bayer DPCM compressed to 8 bits */
619 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
620 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
621 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
622 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
623 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
624 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
625 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
626 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
627 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
628 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
629 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
630 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
631 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
632 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
633 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
634 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
635 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
636 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
637 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
638 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
639 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
640 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
641
642 /* HSV formats */
643 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
644 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
645
646 /* compressed formats */
647 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
648 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
649 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
650 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
651 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
652 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
653 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
654 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
655 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
656 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
657 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
658 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
659 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
660 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
661 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
662 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
663 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
664 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
665 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
666
667 /* Vendor-specific formats */
668 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
669 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
670 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
671 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
672 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
673 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
674 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
675 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
676 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
677 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
678 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
679 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
680 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
681 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
682 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
683 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
684 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
685 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
686 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
687 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
688 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
689 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
690 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
691 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
692 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
693 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
694 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
695 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
696 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
697 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
698 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
699 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
700 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
701
702 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
703 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
704 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
705 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
706 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
707
708 /* SDR formats - used only for Software Defined Radio devices */
709 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
710 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
711 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
712 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
713 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
714 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
715 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
716 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
717
718 /* Touch formats - used for Touch devices */
719 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
720 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
721 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
722 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
723
724 /* Meta-data formats */
725 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
726 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
727 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
728 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
729
730 /* priv field value to indicates that subsequent fields are valid. */
731 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
732
733 /* Flags */
734 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
735
736 /*
737 * F O R M A T E N U M E R A T I O N
738 */
739 struct v4l2_fmtdesc {
740 __u32 index; /* Format number */
741 __u32 type; /* enum v4l2_buf_type */
742 __u32 flags;
743 __u8 description[32]; /* Description string */
744 __u32 pixelformat; /* Format fourcc */
745 __u32 reserved[4];
746 };
747
748 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
749 #define V4L2_FMT_FLAG_EMULATED 0x0002
750
751 /* Frame Size and frame rate enumeration */
752 /*
753 * F R A M E S I Z E E N U M E R A T I O N
754 */
755 enum v4l2_frmsizetypes {
756 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
757 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
758 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
759 };
760
761 struct v4l2_frmsize_discrete {
762 __u32 width; /* Frame width [pixel] */
763 __u32 height; /* Frame height [pixel] */
764 };
765
766 struct v4l2_frmsize_stepwise {
767 __u32 min_width; /* Minimum frame width [pixel] */
768 __u32 max_width; /* Maximum frame width [pixel] */
769 __u32 step_width; /* Frame width step size [pixel] */
770 __u32 min_height; /* Minimum frame height [pixel] */
771 __u32 max_height; /* Maximum frame height [pixel] */
772 __u32 step_height; /* Frame height step size [pixel] */
773 };
774
775 struct v4l2_frmsizeenum {
776 __u32 index; /* Frame size number */
777 __u32 pixel_format; /* Pixel format */
778 __u32 type; /* Frame size type the device supports. */
779
780 union { /* Frame size */
781 struct v4l2_frmsize_discrete discrete;
782 struct v4l2_frmsize_stepwise stepwise;
783 };
784
785 __u32 reserved[2]; /* Reserved space for future use */
786 };
787
788 /*
789 * F R A M E R A T E E N U M E R A T I O N
790 */
791 enum v4l2_frmivaltypes {
792 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
793 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
794 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
795 };
796
797 struct v4l2_frmival_stepwise {
798 struct v4l2_fract min; /* Minimum frame interval [s] */
799 struct v4l2_fract max; /* Maximum frame interval [s] */
800 struct v4l2_fract step; /* Frame interval step size [s] */
801 };
802
803 struct v4l2_frmivalenum {
804 __u32 index; /* Frame format index */
805 __u32 pixel_format; /* Pixel format */
806 __u32 width; /* Frame width */
807 __u32 height; /* Frame height */
808 __u32 type; /* Frame interval type the device supports. */
809
810 union { /* Frame interval */
811 struct v4l2_fract discrete;
812 struct v4l2_frmival_stepwise stepwise;
813 };
814
815 __u32 reserved[2]; /* Reserved space for future use */
816 };
817
818 /*
819 * T I M E C O D E
820 */
821 struct v4l2_timecode {
822 __u32 type;
823 __u32 flags;
824 __u8 frames;
825 __u8 seconds;
826 __u8 minutes;
827 __u8 hours;
828 __u8 userbits[4];
829 };
830
831 /* Type */
832 #define V4L2_TC_TYPE_24FPS 1
833 #define V4L2_TC_TYPE_25FPS 2
834 #define V4L2_TC_TYPE_30FPS 3
835 #define V4L2_TC_TYPE_50FPS 4
836 #define V4L2_TC_TYPE_60FPS 5
837
838 /* Flags */
839 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
840 #define V4L2_TC_FLAG_COLORFRAME 0x0002
841 #define V4L2_TC_USERBITS_field 0x000C
842 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
843 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
844 /* The above is based on SMPTE timecodes */
845
846 struct v4l2_jpegcompression {
847 int quality;
848
849 int APPn; /* Number of APP segment to be written,
850 * must be 0..15 */
851 int APP_len; /* Length of data in JPEG APPn segment */
852 char APP_data[60]; /* Data in the JPEG APPn segment. */
853
854 int COM_len; /* Length of data in JPEG COM segment */
855 char COM_data[60]; /* Data in JPEG COM segment */
856
857 __u32 jpeg_markers; /* Which markers should go into the JPEG
858 * output. Unless you exactly know what
859 * you do, leave them untouched.
860 * Including less markers will make the
861 * resulting code smaller, but there will
862 * be fewer applications which can read it.
863 * The presence of the APP and COM marker
864 * is influenced by APP_len and COM_len
865 * ONLY, not by this property! */
866
867 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
868 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
869 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
870 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
871 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
872 * always use APP0 */
873 };
874
875 /*
876 * M E M O R Y - M A P P I N G B U F F E R S
877 */
878 struct v4l2_requestbuffers {
879 __u32 count;
880 __u32 type; /* enum v4l2_buf_type */
881 __u32 memory; /* enum v4l2_memory */
882 __u32 capabilities;
883 __u32 reserved[1];
884 };
885
886 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
887 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
888 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
889 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
890 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
891 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
892
893 /**
894 * struct v4l2_plane - plane info for multi-planar buffers
895 * @bytesused: number of bytes occupied by data in the plane (payload)
896 * @length: size of this plane (NOT the payload) in bytes
897 * @mem_offset: when memory in the associated struct v4l2_buffer is
898 * V4L2_MEMORY_MMAP, equals the offset from the start of
899 * the device memory for this plane (or is a "cookie" that
900 * should be passed to mmap() called on the video node)
901 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
902 * pointing to this plane
903 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
904 * descriptor associated with this plane
905 * @data_offset: offset in the plane to the start of data; usually 0,
906 * unless there is a header in front of the data
907 *
908 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
909 * with two planes can have one plane for Y, and another for interleaved CbCr
910 * components. Each plane can reside in a separate memory buffer, or even in
911 * a completely separate memory node (e.g. in embedded devices).
912 */
913 struct v4l2_plane {
914 __u32 bytesused;
915 __u32 length;
916 union {
917 __u32 mem_offset;
918 unsigned long userptr;
919 __s32 fd;
920 } m;
921 __u32 data_offset;
922 __u32 reserved[11];
923 };
924
925 /**
926 * struct v4l2_buffer - video buffer info
927 * @index: id number of the buffer
928 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
929 * multiplanar buffers);
930 * @bytesused: number of bytes occupied by data in the buffer (payload);
931 * unused (set to 0) for multiplanar buffers
932 * @flags: buffer informational flags
933 * @field: enum v4l2_field; field order of the image in the buffer
934 * @timestamp: frame timestamp
935 * @timecode: frame timecode
936 * @sequence: sequence count of this frame
937 * @memory: enum v4l2_memory; the method, in which the actual video data is
938 * passed
939 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
940 * offset from the start of the device memory for this plane,
941 * (or a "cookie" that should be passed to mmap() as offset)
942 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
943 * a userspace pointer pointing to this buffer
944 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
945 * a userspace file descriptor associated with this buffer
946 * @planes: for multiplanar buffers; userspace pointer to the array of plane
947 * info structs for this buffer
948 * @length: size in bytes of the buffer (NOT its payload) for single-plane
949 * buffers (when type != *_MPLANE); number of elements in the
950 * planes array for multi-plane buffers
951 * @request_fd: fd of the request that this buffer should use
952 *
953 * Contains data exchanged by application and driver using one of the Streaming
954 * I/O methods.
955 */
956 struct v4l2_buffer {
957 __u32 index;
958 __u32 type;
959 __u32 bytesused;
960 __u32 flags;
961 __u32 field;
962 struct timeval timestamp;
963 struct v4l2_timecode timecode;
964 __u32 sequence;
965
966 /* memory location */
967 __u32 memory;
968 union {
969 __u32 offset;
970 unsigned long userptr;
971 struct v4l2_plane *planes;
972 __s32 fd;
973 } m;
974 __u32 length;
975 __u32 reserved2;
976 union {
977 __s32 request_fd;
978 __u32 reserved;
979 };
980 };
981
982 /**
983 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
984 * @ts: pointer to the timeval variable to be converted
985 *
986 * Returns the scalar nanosecond representation of the timeval
987 * parameter.
988 */
v4l2_timeval_to_ns(const struct timeval * tv)989 static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv)
990 {
991 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
992 }
993
994 /* Flags for 'flags' field */
995 /* Buffer is mapped (flag) */
996 #define V4L2_BUF_FLAG_MAPPED 0x00000001
997 /* Buffer is queued for processing */
998 #define V4L2_BUF_FLAG_QUEUED 0x00000002
999 /* Buffer is ready */
1000 #define V4L2_BUF_FLAG_DONE 0x00000004
1001 /* Image is a keyframe (I-frame) */
1002 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1003 /* Image is a P-frame */
1004 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1005 /* Image is a B-frame */
1006 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1007 /* Buffer is ready, but the data contained within is corrupted. */
1008 #define V4L2_BUF_FLAG_ERROR 0x00000040
1009 /* Buffer is added to an unqueued request */
1010 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1011 /* timecode field is valid */
1012 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1013 /* Buffer is prepared for queuing */
1014 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1015 /* Cache handling flags */
1016 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1017 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1018 /* Timestamp type */
1019 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1020 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1021 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1022 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1023 /* Timestamp sources. */
1024 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1025 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1026 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1027 /* mem2mem encoder/decoder */
1028 #define V4L2_BUF_FLAG_LAST 0x00100000
1029 /* request_fd is valid */
1030 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1031
1032 /**
1033 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1034 *
1035 * @index: id number of the buffer
1036 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1037 * multiplanar buffers);
1038 * @plane: index of the plane to be exported, 0 for single plane queues
1039 * @flags: flags for newly created file, currently only O_CLOEXEC is
1040 * supported, refer to manual of open syscall for more details
1041 * @fd: file descriptor associated with DMABUF (set by driver)
1042 *
1043 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1044 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1045 * (identical to the cookie used to mmap() the buffer to userspace). All
1046 * reserved fields must be set to zero. The field reserved0 is expected to
1047 * become a structure 'type' allowing an alternative layout of the structure
1048 * content. Therefore this field should not be used for any other extensions.
1049 */
1050 struct v4l2_exportbuffer {
1051 __u32 type; /* enum v4l2_buf_type */
1052 __u32 index;
1053 __u32 plane;
1054 __u32 flags;
1055 __s32 fd;
1056 __u32 reserved[11];
1057 };
1058
1059 /*
1060 * O V E R L A Y P R E V I E W
1061 */
1062 struct v4l2_framebuffer {
1063 __u32 capability;
1064 __u32 flags;
1065 /* FIXME: in theory we should pass something like PCI device + memory
1066 * region + offset instead of some physical address */
1067 void *base;
1068 struct {
1069 __u32 width;
1070 __u32 height;
1071 __u32 pixelformat;
1072 __u32 field; /* enum v4l2_field */
1073 __u32 bytesperline; /* for padding, zero if unused */
1074 __u32 sizeimage;
1075 __u32 colorspace; /* enum v4l2_colorspace */
1076 __u32 priv; /* reserved field, set to 0 */
1077 } fmt;
1078 };
1079 /* Flags for the 'capability' field. Read only */
1080 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1081 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1082 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1083 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1084 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1085 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1086 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1087 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1088 /* Flags for the 'flags' field. */
1089 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1090 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1091 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1092 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1093 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1094 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1095 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1096
1097 struct v4l2_clip {
1098 struct v4l2_rect c;
1099 struct v4l2_clip *next;
1100 };
1101
1102 struct v4l2_window {
1103 struct v4l2_rect w;
1104 __u32 field; /* enum v4l2_field */
1105 __u32 chromakey;
1106 struct v4l2_clip *clips;
1107 __u32 clipcount;
1108 void *bitmap;
1109 __u8 global_alpha;
1110 };
1111
1112 /*
1113 * C A P T U R E P A R A M E T E R S
1114 */
1115 struct v4l2_captureparm {
1116 __u32 capability; /* Supported modes */
1117 __u32 capturemode; /* Current mode */
1118 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1119 __u32 extendedmode; /* Driver-specific extensions */
1120 __u32 readbuffers; /* # of buffers for read */
1121 __u32 reserved[4];
1122 };
1123
1124 /* Flags for 'capability' and 'capturemode' fields */
1125 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1126 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1127
1128 struct v4l2_outputparm {
1129 __u32 capability; /* Supported modes */
1130 __u32 outputmode; /* Current mode */
1131 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1132 __u32 extendedmode; /* Driver-specific extensions */
1133 __u32 writebuffers; /* # of buffers for write */
1134 __u32 reserved[4];
1135 };
1136
1137 /*
1138 * I N P U T I M A G E C R O P P I N G
1139 */
1140 struct v4l2_cropcap {
1141 __u32 type; /* enum v4l2_buf_type */
1142 struct v4l2_rect bounds;
1143 struct v4l2_rect defrect;
1144 struct v4l2_fract pixelaspect;
1145 };
1146
1147 struct v4l2_crop {
1148 __u32 type; /* enum v4l2_buf_type */
1149 struct v4l2_rect c;
1150 };
1151
1152 /**
1153 * struct v4l2_selection - selection info
1154 * @type: buffer type (do not use *_MPLANE types)
1155 * @target: Selection target, used to choose one of possible rectangles;
1156 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1157 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1158 * @r: coordinates of selection window
1159 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1160 *
1161 * Hardware may use multiple helper windows to process a video stream.
1162 * The structure is used to exchange this selection areas between
1163 * an application and a driver.
1164 */
1165 struct v4l2_selection {
1166 __u32 type;
1167 __u32 target;
1168 __u32 flags;
1169 struct v4l2_rect r;
1170 __u32 reserved[9];
1171 };
1172
1173
1174 /*
1175 * A N A L O G V I D E O S T A N D A R D
1176 */
1177
1178 typedef __u64 v4l2_std_id;
1179
1180 /* one bit for each */
1181 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1182 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1183 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1184 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1185 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1186 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1187 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1188 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1189
1190 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1191 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1192 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1193 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1194
1195 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1196 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1197 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1198 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1199
1200 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1201 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1202 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1203 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1204 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1205 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1206 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1207 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1208
1209 /* ATSC/HDTV */
1210 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1211 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1212
1213 /* FIXME:
1214 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1215 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1216 this value to 32 bits.
1217 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1218 it should work fine. However, if needed to add more than two standards,
1219 v4l2-common.c should be fixed.
1220 */
1221
1222 /*
1223 * Some macros to merge video standards in order to make live easier for the
1224 * drivers and V4L2 applications
1225 */
1226
1227 /*
1228 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1229 * Missing here.
1230 */
1231 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1232 V4L2_STD_NTSC_M_JP |\
1233 V4L2_STD_NTSC_M_KR)
1234 /* Secam macros */
1235 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1236 V4L2_STD_SECAM_K |\
1237 V4L2_STD_SECAM_K1)
1238 /* All Secam Standards */
1239 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1240 V4L2_STD_SECAM_G |\
1241 V4L2_STD_SECAM_H |\
1242 V4L2_STD_SECAM_DK |\
1243 V4L2_STD_SECAM_L |\
1244 V4L2_STD_SECAM_LC)
1245 /* PAL macros */
1246 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1247 V4L2_STD_PAL_B1 |\
1248 V4L2_STD_PAL_G)
1249 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1250 V4L2_STD_PAL_D1 |\
1251 V4L2_STD_PAL_K)
1252 /*
1253 * "Common" PAL - This macro is there to be compatible with the old
1254 * V4L1 concept of "PAL": /BGDKHI.
1255 * Several PAL standards are missing here: /M, /N and /Nc
1256 */
1257 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1258 V4L2_STD_PAL_DK |\
1259 V4L2_STD_PAL_H |\
1260 V4L2_STD_PAL_I)
1261 /* Chroma "agnostic" standards */
1262 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1263 V4L2_STD_PAL_B1 |\
1264 V4L2_STD_SECAM_B)
1265 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1266 V4L2_STD_SECAM_G)
1267 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1268 V4L2_STD_SECAM_H)
1269 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1270 V4L2_STD_SECAM_LC)
1271 #define V4L2_STD_GH (V4L2_STD_G |\
1272 V4L2_STD_H)
1273 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1274 V4L2_STD_SECAM_DK)
1275 #define V4L2_STD_BG (V4L2_STD_B |\
1276 V4L2_STD_G)
1277 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1278 V4L2_STD_PAL_N |\
1279 V4L2_STD_PAL_Nc |\
1280 V4L2_STD_NTSC)
1281
1282 /* Standards where MTS/BTSC stereo could be found */
1283 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1284 V4L2_STD_PAL_M |\
1285 V4L2_STD_PAL_N |\
1286 V4L2_STD_PAL_Nc)
1287
1288 /* Standards for Countries with 60Hz Line frequency */
1289 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1290 V4L2_STD_PAL_60 |\
1291 V4L2_STD_NTSC |\
1292 V4L2_STD_NTSC_443)
1293 /* Standards for Countries with 50Hz Line frequency */
1294 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1295 V4L2_STD_PAL_N |\
1296 V4L2_STD_PAL_Nc |\
1297 V4L2_STD_SECAM)
1298
1299 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1300 V4L2_STD_ATSC_16_VSB)
1301 /* Macros with none and all analog standards */
1302 #define V4L2_STD_UNKNOWN 0
1303 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1304 V4L2_STD_625_50)
1305
1306 struct v4l2_standard {
1307 __u32 index;
1308 v4l2_std_id id;
1309 __u8 name[24];
1310 struct v4l2_fract frameperiod; /* Frames, not fields */
1311 __u32 framelines;
1312 __u32 reserved[4];
1313 };
1314
1315 /*
1316 * D V B T T I M I N G S
1317 */
1318
1319 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1320 * @width: total width of the active video in pixels
1321 * @height: total height of the active video in lines
1322 * @interlaced: Interlaced or progressive
1323 * @polarities: Positive or negative polarities
1324 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1325 * @hfrontporch:Horizontal front porch in pixels
1326 * @hsync: Horizontal Sync length in pixels
1327 * @hbackporch: Horizontal back porch in pixels
1328 * @vfrontporch:Vertical front porch in lines
1329 * @vsync: Vertical Sync length in lines
1330 * @vbackporch: Vertical back porch in lines
1331 * @il_vfrontporch:Vertical front porch for the even field
1332 * (aka field 2) of interlaced field formats
1333 * @il_vsync: Vertical Sync length for the even field
1334 * (aka field 2) of interlaced field formats
1335 * @il_vbackporch:Vertical back porch for the even field
1336 * (aka field 2) of interlaced field formats
1337 * @standards: Standards the timing belongs to
1338 * @flags: Flags
1339 * @picture_aspect: The picture aspect ratio (hor/vert).
1340 * @cea861_vic: VIC code as per the CEA-861 standard.
1341 * @hdmi_vic: VIC code as per the HDMI standard.
1342 * @reserved: Reserved fields, must be zeroed.
1343 *
1344 * A note regarding vertical interlaced timings: height refers to the total
1345 * height of the active video frame (= two fields). The blanking timings refer
1346 * to the blanking of each field. So the height of the total frame is
1347 * calculated as follows:
1348 *
1349 * tot_height = height + vfrontporch + vsync + vbackporch +
1350 * il_vfrontporch + il_vsync + il_vbackporch
1351 *
1352 * The active height of each field is height / 2.
1353 */
1354 struct v4l2_bt_timings {
1355 __u32 width;
1356 __u32 height;
1357 __u32 interlaced;
1358 __u32 polarities;
1359 __u64 pixelclock;
1360 __u32 hfrontporch;
1361 __u32 hsync;
1362 __u32 hbackporch;
1363 __u32 vfrontporch;
1364 __u32 vsync;
1365 __u32 vbackporch;
1366 __u32 il_vfrontporch;
1367 __u32 il_vsync;
1368 __u32 il_vbackporch;
1369 __u32 standards;
1370 __u32 flags;
1371 struct v4l2_fract picture_aspect;
1372 __u8 cea861_vic;
1373 __u8 hdmi_vic;
1374 __u8 reserved[46];
1375 } __attribute__ ((packed));
1376
1377 /* Interlaced or progressive format */
1378 #define V4L2_DV_PROGRESSIVE 0
1379 #define V4L2_DV_INTERLACED 1
1380
1381 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1382 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1383 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1384
1385 /* Timings standards */
1386 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1387 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1388 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1389 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1390 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1391
1392 /* Flags */
1393
1394 /*
1395 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1396 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1397 * intervals are reduced, allowing a higher resolution over the same
1398 * bandwidth. This is a read-only flag.
1399 */
1400 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1401 /*
1402 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1403 * of six. These formats can be optionally played at 1 / 1.001 speed.
1404 * This is a read-only flag.
1405 */
1406 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1407 /*
1408 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1409 * by receivers.
1410 * If the framerate of the format is a multiple of six, then the pixelclock
1411 * used to set up the transmitter is divided by 1.001 to make it compatible
1412 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1413 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1414 * such frequencies, then the flag will also be cleared.
1415 */
1416 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1417 /*
1418 * Specific to interlaced formats: if set, then field 1 is really one half-line
1419 * longer and field 2 is really one half-line shorter, so each field has
1420 * exactly the same number of half-lines. Whether half-lines can be detected
1421 * or used depends on the hardware.
1422 */
1423 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1424 /*
1425 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1426 * differ from other formats (commonly called IT formats) in that if RGB
1427 * encoding is used then by default the RGB values use limited range (i.e.
1428 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1429 * except for the 640x480 format are CE formats.
1430 */
1431 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1432 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1433 * total height. For these formats, if this flag is set, the first
1434 * field has the extra line. If not, it is the second field.
1435 */
1436 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1437 /*
1438 * If set, then the picture_aspect field is valid. Otherwise assume that the
1439 * pixels are square, so the picture aspect ratio is the same as the width to
1440 * height ratio.
1441 */
1442 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1443 /*
1444 * If set, then the cea861_vic field is valid and contains the Video
1445 * Identification Code as per the CEA-861 standard.
1446 */
1447 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1448 /*
1449 * If set, then the hdmi_vic field is valid and contains the Video
1450 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1451 * InfoFrame).
1452 */
1453 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1454 /*
1455 * CEA-861 specific: only valid for video receivers.
1456 * If set, then HW can detect the difference between regular FPS and
1457 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1458 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1459 */
1460 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1461
1462 /* A few useful defines to calculate the total blanking and frame sizes */
1463 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1464 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1465 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1466 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1467 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1468 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1469 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1470 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1471 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1472
1473 /** struct v4l2_dv_timings - DV timings
1474 * @type: the type of the timings
1475 * @bt: BT656/1120 timings
1476 */
1477 struct v4l2_dv_timings {
1478 __u32 type;
1479 union {
1480 struct v4l2_bt_timings bt;
1481 __u32 reserved[32];
1482 };
1483 } __attribute__ ((packed));
1484
1485 /* Values for the type field */
1486 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1487
1488
1489 /** struct v4l2_enum_dv_timings - DV timings enumeration
1490 * @index: enumeration index
1491 * @pad: the pad number for which to enumerate timings (used with
1492 * v4l-subdev nodes only)
1493 * @reserved: must be zeroed
1494 * @timings: the timings for the given index
1495 */
1496 struct v4l2_enum_dv_timings {
1497 __u32 index;
1498 __u32 pad;
1499 __u32 reserved[2];
1500 struct v4l2_dv_timings timings;
1501 };
1502
1503 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1504 * @min_width: width in pixels
1505 * @max_width: width in pixels
1506 * @min_height: height in lines
1507 * @max_height: height in lines
1508 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1509 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1510 * @standards: Supported standards
1511 * @capabilities: Supported capabilities
1512 * @reserved: Must be zeroed
1513 */
1514 struct v4l2_bt_timings_cap {
1515 __u32 min_width;
1516 __u32 max_width;
1517 __u32 min_height;
1518 __u32 max_height;
1519 __u64 min_pixelclock;
1520 __u64 max_pixelclock;
1521 __u32 standards;
1522 __u32 capabilities;
1523 __u32 reserved[16];
1524 } __attribute__ ((packed));
1525
1526 /* Supports interlaced formats */
1527 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1528 /* Supports progressive formats */
1529 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1530 /* Supports CVT/GTF reduced blanking */
1531 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1532 /* Supports custom formats */
1533 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1534
1535 /** struct v4l2_dv_timings_cap - DV timings capabilities
1536 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1537 * @pad: the pad number for which to query capabilities (used with
1538 * v4l-subdev nodes only)
1539 * @bt: the BT656/1120 timings capabilities
1540 */
1541 struct v4l2_dv_timings_cap {
1542 __u32 type;
1543 __u32 pad;
1544 __u32 reserved[2];
1545 union {
1546 struct v4l2_bt_timings_cap bt;
1547 __u32 raw_data[32];
1548 };
1549 };
1550
1551
1552 /*
1553 * V I D E O I N P U T S
1554 */
1555 struct v4l2_input {
1556 __u32 index; /* Which input */
1557 __u8 name[32]; /* Label */
1558 __u32 type; /* Type of input */
1559 __u32 audioset; /* Associated audios (bitfield) */
1560 __u32 tuner; /* enum v4l2_tuner_type */
1561 v4l2_std_id std;
1562 __u32 status;
1563 __u32 capabilities;
1564 __u32 reserved[3];
1565 };
1566
1567 /* Values for the 'type' field */
1568 #define V4L2_INPUT_TYPE_TUNER 1
1569 #define V4L2_INPUT_TYPE_CAMERA 2
1570 #define V4L2_INPUT_TYPE_TOUCH 3
1571
1572 /* field 'status' - general */
1573 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1574 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1575 #define V4L2_IN_ST_NO_COLOR 0x00000004
1576
1577 /* field 'status' - sensor orientation */
1578 /* If sensor is mounted upside down set both bits */
1579 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1580 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1581
1582 /* field 'status' - analog */
1583 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1584 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1585 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1586 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1587
1588 /* field 'status' - digital */
1589 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1590 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1591 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1592
1593 /* field 'status' - VCR and set-top box */
1594 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1595 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1596 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1597
1598 /* capabilities flags */
1599 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1600 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1601 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1602 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1603
1604 /*
1605 * V I D E O O U T P U T S
1606 */
1607 struct v4l2_output {
1608 __u32 index; /* Which output */
1609 __u8 name[32]; /* Label */
1610 __u32 type; /* Type of output */
1611 __u32 audioset; /* Associated audios (bitfield) */
1612 __u32 modulator; /* Associated modulator */
1613 v4l2_std_id std;
1614 __u32 capabilities;
1615 __u32 reserved[3];
1616 };
1617 /* Values for the 'type' field */
1618 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1619 #define V4L2_OUTPUT_TYPE_ANALOG 2
1620 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1621
1622 /* capabilities flags */
1623 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1624 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1625 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1626 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1627
1628 /*
1629 * C O N T R O L S
1630 */
1631 struct v4l2_control {
1632 __u32 id;
1633 __s32 value;
1634 };
1635
1636 struct v4l2_ext_control {
1637 __u32 id;
1638 __u32 size;
1639 __u32 reserved2[1];
1640 union {
1641 __s32 value;
1642 __s64 value64;
1643 char *string;
1644 __u8 *p_u8;
1645 __u16 *p_u16;
1646 __u32 *p_u32;
1647 void *ptr;
1648 };
1649 } __attribute__ ((packed));
1650
1651 struct v4l2_ext_controls {
1652 union {
1653 __u32 ctrl_class;
1654 __u32 which;
1655 };
1656 __u32 count;
1657 __u32 error_idx;
1658 __s32 request_fd;
1659 __u32 reserved[1];
1660 struct v4l2_ext_control *controls;
1661 };
1662
1663 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1664 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1665 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1666 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1667 #define V4L2_CTRL_MAX_DIMS (4)
1668 #define V4L2_CTRL_WHICH_CUR_VAL 0
1669 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1670 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1671
1672 enum v4l2_ctrl_type {
1673 V4L2_CTRL_TYPE_INTEGER = 1,
1674 V4L2_CTRL_TYPE_BOOLEAN = 2,
1675 V4L2_CTRL_TYPE_MENU = 3,
1676 V4L2_CTRL_TYPE_BUTTON = 4,
1677 V4L2_CTRL_TYPE_INTEGER64 = 5,
1678 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1679 V4L2_CTRL_TYPE_STRING = 7,
1680 V4L2_CTRL_TYPE_BITMASK = 8,
1681 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1682
1683 /* Compound types are >= 0x0100 */
1684 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1685 V4L2_CTRL_TYPE_U8 = 0x0100,
1686 V4L2_CTRL_TYPE_U16 = 0x0101,
1687 V4L2_CTRL_TYPE_U32 = 0x0102,
1688 };
1689
1690 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1691 struct v4l2_queryctrl {
1692 __u32 id;
1693 __u32 type; /* enum v4l2_ctrl_type */
1694 __u8 name[32]; /* Whatever */
1695 __s32 minimum; /* Note signedness */
1696 __s32 maximum;
1697 __s32 step;
1698 __s32 default_value;
1699 __u32 flags;
1700 __u32 reserved[2];
1701 };
1702
1703 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1704 struct v4l2_query_ext_ctrl {
1705 __u32 id;
1706 __u32 type;
1707 char name[32];
1708 __s64 minimum;
1709 __s64 maximum;
1710 __u64 step;
1711 __s64 default_value;
1712 __u32 flags;
1713 __u32 elem_size;
1714 __u32 elems;
1715 __u32 nr_of_dims;
1716 __u32 dims[V4L2_CTRL_MAX_DIMS];
1717 __u32 reserved[32];
1718 };
1719
1720 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1721 struct v4l2_querymenu {
1722 __u32 id;
1723 __u32 index;
1724 union {
1725 __u8 name[32]; /* Whatever */
1726 __s64 value;
1727 };
1728 __u32 reserved;
1729 } __attribute__ ((packed));
1730
1731 /* Control flags */
1732 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1733 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1734 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1735 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1736 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1737 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1738 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1739 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1740 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1741 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1742 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1743
1744 /* Query flags, to be ORed with the control ID */
1745 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1746 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1747
1748 /* User-class control IDs defined by V4L2 */
1749 #define V4L2_CID_MAX_CTRLS 1024
1750 /* IDs reserved for driver specific controls */
1751 #define V4L2_CID_PRIVATE_BASE 0x08000000
1752
1753
1754 /*
1755 * T U N I N G
1756 */
1757 struct v4l2_tuner {
1758 __u32 index;
1759 __u8 name[32];
1760 __u32 type; /* enum v4l2_tuner_type */
1761 __u32 capability;
1762 __u32 rangelow;
1763 __u32 rangehigh;
1764 __u32 rxsubchans;
1765 __u32 audmode;
1766 __s32 signal;
1767 __s32 afc;
1768 __u32 reserved[4];
1769 };
1770
1771 struct v4l2_modulator {
1772 __u32 index;
1773 __u8 name[32];
1774 __u32 capability;
1775 __u32 rangelow;
1776 __u32 rangehigh;
1777 __u32 txsubchans;
1778 __u32 type; /* enum v4l2_tuner_type */
1779 __u32 reserved[3];
1780 };
1781
1782 /* Flags for the 'capability' field */
1783 #define V4L2_TUNER_CAP_LOW 0x0001
1784 #define V4L2_TUNER_CAP_NORM 0x0002
1785 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1786 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1787 #define V4L2_TUNER_CAP_STEREO 0x0010
1788 #define V4L2_TUNER_CAP_LANG2 0x0020
1789 #define V4L2_TUNER_CAP_SAP 0x0020
1790 #define V4L2_TUNER_CAP_LANG1 0x0040
1791 #define V4L2_TUNER_CAP_RDS 0x0080
1792 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1793 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1794 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1795 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1796 #define V4L2_TUNER_CAP_1HZ 0x1000
1797
1798 /* Flags for the 'rxsubchans' field */
1799 #define V4L2_TUNER_SUB_MONO 0x0001
1800 #define V4L2_TUNER_SUB_STEREO 0x0002
1801 #define V4L2_TUNER_SUB_LANG2 0x0004
1802 #define V4L2_TUNER_SUB_SAP 0x0004
1803 #define V4L2_TUNER_SUB_LANG1 0x0008
1804 #define V4L2_TUNER_SUB_RDS 0x0010
1805
1806 /* Values for the 'audmode' field */
1807 #define V4L2_TUNER_MODE_MONO 0x0000
1808 #define V4L2_TUNER_MODE_STEREO 0x0001
1809 #define V4L2_TUNER_MODE_LANG2 0x0002
1810 #define V4L2_TUNER_MODE_SAP 0x0002
1811 #define V4L2_TUNER_MODE_LANG1 0x0003
1812 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1813
1814 struct v4l2_frequency {
1815 __u32 tuner;
1816 __u32 type; /* enum v4l2_tuner_type */
1817 __u32 frequency;
1818 __u32 reserved[8];
1819 };
1820
1821 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1822 #define V4L2_BAND_MODULATION_FM (1 << 2)
1823 #define V4L2_BAND_MODULATION_AM (1 << 3)
1824
1825 struct v4l2_frequency_band {
1826 __u32 tuner;
1827 __u32 type; /* enum v4l2_tuner_type */
1828 __u32 index;
1829 __u32 capability;
1830 __u32 rangelow;
1831 __u32 rangehigh;
1832 __u32 modulation;
1833 __u32 reserved[9];
1834 };
1835
1836 struct v4l2_hw_freq_seek {
1837 __u32 tuner;
1838 __u32 type; /* enum v4l2_tuner_type */
1839 __u32 seek_upward;
1840 __u32 wrap_around;
1841 __u32 spacing;
1842 __u32 rangelow;
1843 __u32 rangehigh;
1844 __u32 reserved[5];
1845 };
1846
1847 /*
1848 * R D S
1849 */
1850
1851 struct v4l2_rds_data {
1852 __u8 lsb;
1853 __u8 msb;
1854 __u8 block;
1855 } __attribute__ ((packed));
1856
1857 #define V4L2_RDS_BLOCK_MSK 0x7
1858 #define V4L2_RDS_BLOCK_A 0
1859 #define V4L2_RDS_BLOCK_B 1
1860 #define V4L2_RDS_BLOCK_C 2
1861 #define V4L2_RDS_BLOCK_D 3
1862 #define V4L2_RDS_BLOCK_C_ALT 4
1863 #define V4L2_RDS_BLOCK_INVALID 7
1864
1865 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1866 #define V4L2_RDS_BLOCK_ERROR 0x80
1867
1868 /*
1869 * A U D I O
1870 */
1871 struct v4l2_audio {
1872 __u32 index;
1873 __u8 name[32];
1874 __u32 capability;
1875 __u32 mode;
1876 __u32 reserved[2];
1877 };
1878
1879 /* Flags for the 'capability' field */
1880 #define V4L2_AUDCAP_STEREO 0x00001
1881 #define V4L2_AUDCAP_AVL 0x00002
1882
1883 /* Flags for the 'mode' field */
1884 #define V4L2_AUDMODE_AVL 0x00001
1885
1886 struct v4l2_audioout {
1887 __u32 index;
1888 __u8 name[32];
1889 __u32 capability;
1890 __u32 mode;
1891 __u32 reserved[2];
1892 };
1893
1894 /*
1895 * M P E G S E R V I C E S
1896 */
1897 #if 1
1898 #define V4L2_ENC_IDX_FRAME_I (0)
1899 #define V4L2_ENC_IDX_FRAME_P (1)
1900 #define V4L2_ENC_IDX_FRAME_B (2)
1901 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1902
1903 struct v4l2_enc_idx_entry {
1904 __u64 offset;
1905 __u64 pts;
1906 __u32 length;
1907 __u32 flags;
1908 __u32 reserved[2];
1909 };
1910
1911 #define V4L2_ENC_IDX_ENTRIES (64)
1912 struct v4l2_enc_idx {
1913 __u32 entries;
1914 __u32 entries_cap;
1915 __u32 reserved[4];
1916 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1917 };
1918
1919
1920 #define V4L2_ENC_CMD_START (0)
1921 #define V4L2_ENC_CMD_STOP (1)
1922 #define V4L2_ENC_CMD_PAUSE (2)
1923 #define V4L2_ENC_CMD_RESUME (3)
1924
1925 /* Flags for V4L2_ENC_CMD_STOP */
1926 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1927
1928 struct v4l2_encoder_cmd {
1929 __u32 cmd;
1930 __u32 flags;
1931 union {
1932 struct {
1933 __u32 data[8];
1934 } raw;
1935 };
1936 };
1937
1938 /* Decoder commands */
1939 #define V4L2_DEC_CMD_START (0)
1940 #define V4L2_DEC_CMD_STOP (1)
1941 #define V4L2_DEC_CMD_PAUSE (2)
1942 #define V4L2_DEC_CMD_RESUME (3)
1943
1944 /* Flags for V4L2_DEC_CMD_START */
1945 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
1946
1947 /* Flags for V4L2_DEC_CMD_PAUSE */
1948 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
1949
1950 /* Flags for V4L2_DEC_CMD_STOP */
1951 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
1952 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
1953
1954 /* Play format requirements (returned by the driver): */
1955
1956 /* The decoder has no special format requirements */
1957 #define V4L2_DEC_START_FMT_NONE (0)
1958 /* The decoder requires full GOPs */
1959 #define V4L2_DEC_START_FMT_GOP (1)
1960
1961 /* The structure must be zeroed before use by the application
1962 This ensures it can be extended safely in the future. */
1963 struct v4l2_decoder_cmd {
1964 __u32 cmd;
1965 __u32 flags;
1966 union {
1967 struct {
1968 __u64 pts;
1969 } stop;
1970
1971 struct {
1972 /* 0 or 1000 specifies normal speed,
1973 1 specifies forward single stepping,
1974 -1 specifies backward single stepping,
1975 >1: playback at speed/1000 of the normal speed,
1976 <-1: reverse playback at (-speed/1000) of the normal speed. */
1977 __s32 speed;
1978 __u32 format;
1979 } start;
1980
1981 struct {
1982 __u32 data[16];
1983 } raw;
1984 };
1985 };
1986 #endif
1987
1988
1989 /*
1990 * D A T A S E R V I C E S ( V B I )
1991 *
1992 * Data services API by Michael Schimek
1993 */
1994
1995 /* Raw VBI */
1996 struct v4l2_vbi_format {
1997 __u32 sampling_rate; /* in 1 Hz */
1998 __u32 offset;
1999 __u32 samples_per_line;
2000 __u32 sample_format; /* V4L2_PIX_FMT_* */
2001 __s32 start[2];
2002 __u32 count[2];
2003 __u32 flags; /* V4L2_VBI_* */
2004 __u32 reserved[2]; /* must be zero */
2005 };
2006
2007 /* VBI flags */
2008 #define V4L2_VBI_UNSYNC (1 << 0)
2009 #define V4L2_VBI_INTERLACED (1 << 1)
2010
2011 /* ITU-R start lines for each field */
2012 #define V4L2_VBI_ITU_525_F1_START (1)
2013 #define V4L2_VBI_ITU_525_F2_START (264)
2014 #define V4L2_VBI_ITU_625_F1_START (1)
2015 #define V4L2_VBI_ITU_625_F2_START (314)
2016
2017 /* Sliced VBI
2018 *
2019 * This implements is a proposal V4L2 API to allow SLICED VBI
2020 * required for some hardware encoders. It should change without
2021 * notice in the definitive implementation.
2022 */
2023
2024 struct v4l2_sliced_vbi_format {
2025 __u16 service_set;
2026 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2027 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2028 (equals frame lines 313-336 for 625 line video
2029 standards, 263-286 for 525 line standards) */
2030 __u16 service_lines[2][24];
2031 __u32 io_size;
2032 __u32 reserved[2]; /* must be zero */
2033 };
2034
2035 /* Teletext World System Teletext
2036 (WST), defined on ITU-R BT.653-2 */
2037 #define V4L2_SLICED_TELETEXT_B (0x0001)
2038 /* Video Program System, defined on ETS 300 231*/
2039 #define V4L2_SLICED_VPS (0x0400)
2040 /* Closed Caption, defined on EIA-608 */
2041 #define V4L2_SLICED_CAPTION_525 (0x1000)
2042 /* Wide Screen System, defined on ITU-R BT1119.1 */
2043 #define V4L2_SLICED_WSS_625 (0x4000)
2044
2045 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2046 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2047
2048 struct v4l2_sliced_vbi_cap {
2049 __u16 service_set;
2050 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2051 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2052 (equals frame lines 313-336 for 625 line video
2053 standards, 263-286 for 525 line standards) */
2054 __u16 service_lines[2][24];
2055 __u32 type; /* enum v4l2_buf_type */
2056 __u32 reserved[3]; /* must be 0 */
2057 };
2058
2059 struct v4l2_sliced_vbi_data {
2060 __u32 id;
2061 __u32 field; /* 0: first field, 1: second field */
2062 __u32 line; /* 1-23 */
2063 __u32 reserved; /* must be 0 */
2064 __u8 data[48];
2065 };
2066
2067 /*
2068 * Sliced VBI data inserted into MPEG Streams
2069 */
2070
2071 /*
2072 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2073 *
2074 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2075 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2076 * data
2077 *
2078 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2079 * definitions are not included here. See the MPEG-2 specifications for details
2080 * on these headers.
2081 */
2082
2083 /* Line type IDs */
2084 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2085 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2086 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2087 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2088
2089 struct v4l2_mpeg_vbi_itv0_line {
2090 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2091 __u8 data[42]; /* Sliced VBI data for the line */
2092 } __attribute__ ((packed));
2093
2094 struct v4l2_mpeg_vbi_itv0 {
2095 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2096 struct v4l2_mpeg_vbi_itv0_line line[35];
2097 } __attribute__ ((packed));
2098
2099 struct v4l2_mpeg_vbi_ITV0 {
2100 struct v4l2_mpeg_vbi_itv0_line line[36];
2101 } __attribute__ ((packed));
2102
2103 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2104 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2105
2106 struct v4l2_mpeg_vbi_fmt_ivtv {
2107 __u8 magic[4];
2108 union {
2109 struct v4l2_mpeg_vbi_itv0 itv0;
2110 struct v4l2_mpeg_vbi_ITV0 ITV0;
2111 };
2112 } __attribute__ ((packed));
2113
2114 /*
2115 * A G G R E G A T E S T R U C T U R E S
2116 */
2117
2118 /**
2119 * struct v4l2_plane_pix_format - additional, per-plane format definition
2120 * @sizeimage: maximum size in bytes required for data, for which
2121 * this plane will be used
2122 * @bytesperline: distance in bytes between the leftmost pixels in two
2123 * adjacent lines
2124 */
2125 struct v4l2_plane_pix_format {
2126 __u32 sizeimage;
2127 __u32 bytesperline;
2128 __u16 reserved[6];
2129 } __attribute__ ((packed));
2130
2131 /**
2132 * struct v4l2_pix_format_mplane - multiplanar format definition
2133 * @width: image width in pixels
2134 * @height: image height in pixels
2135 * @pixelformat: little endian four character code (fourcc)
2136 * @field: enum v4l2_field; field order (for interlaced video)
2137 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2138 * @plane_fmt: per-plane information
2139 * @num_planes: number of planes for this format
2140 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2141 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2142 * @quantization: enum v4l2_quantization, colorspace quantization
2143 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2144 */
2145 struct v4l2_pix_format_mplane {
2146 __u32 width;
2147 __u32 height;
2148 __u32 pixelformat;
2149 __u32 field;
2150 __u32 colorspace;
2151
2152 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2153 __u8 num_planes;
2154 __u8 flags;
2155 union {
2156 __u8 ycbcr_enc;
2157 __u8 hsv_enc;
2158 };
2159 __u8 quantization;
2160 __u8 xfer_func;
2161 __u8 reserved[7];
2162 } __attribute__ ((packed));
2163
2164 /**
2165 * struct v4l2_sdr_format - SDR format definition
2166 * @pixelformat: little endian four character code (fourcc)
2167 * @buffersize: maximum size in bytes required for data
2168 */
2169 struct v4l2_sdr_format {
2170 __u32 pixelformat;
2171 __u32 buffersize;
2172 __u8 reserved[24];
2173 } __attribute__ ((packed));
2174
2175 /**
2176 * struct v4l2_meta_format - metadata format definition
2177 * @dataformat: little endian four character code (fourcc)
2178 * @buffersize: maximum size in bytes required for data
2179 */
2180 struct v4l2_meta_format {
2181 __u32 dataformat;
2182 __u32 buffersize;
2183 } __attribute__ ((packed));
2184
2185 /**
2186 * struct v4l2_format - stream data format
2187 * @type: enum v4l2_buf_type; type of the data stream
2188 * @pix: definition of an image format
2189 * @pix_mp: definition of a multiplanar image format
2190 * @win: definition of an overlaid image
2191 * @vbi: raw VBI capture or output parameters
2192 * @sliced: sliced VBI capture or output parameters
2193 * @raw_data: placeholder for future extensions and custom formats
2194 */
2195 struct v4l2_format {
2196 __u32 type;
2197 union {
2198 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2199 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2200 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2201 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2202 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2203 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2204 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2205 __u8 raw_data[200]; /* user-defined */
2206 } fmt;
2207 };
2208
2209 /* Stream type-dependent parameters
2210 */
2211 struct v4l2_streamparm {
2212 __u32 type; /* enum v4l2_buf_type */
2213 union {
2214 struct v4l2_captureparm capture;
2215 struct v4l2_outputparm output;
2216 __u8 raw_data[200]; /* user-defined */
2217 } parm;
2218 };
2219
2220 /*
2221 * E V E N T S
2222 */
2223
2224 #define V4L2_EVENT_ALL 0
2225 #define V4L2_EVENT_VSYNC 1
2226 #define V4L2_EVENT_EOS 2
2227 #define V4L2_EVENT_CTRL 3
2228 #define V4L2_EVENT_FRAME_SYNC 4
2229 #define V4L2_EVENT_SOURCE_CHANGE 5
2230 #define V4L2_EVENT_MOTION_DET 6
2231 #define V4L2_EVENT_PRIVATE_START 0x08000000
2232
2233 /* Payload for V4L2_EVENT_VSYNC */
2234 struct v4l2_event_vsync {
2235 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2236 __u8 field;
2237 } __attribute__ ((packed));
2238
2239 /* Payload for V4L2_EVENT_CTRL */
2240 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2241 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2242 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2243
2244 struct v4l2_event_ctrl {
2245 __u32 changes;
2246 __u32 type;
2247 union {
2248 __s32 value;
2249 __s64 value64;
2250 };
2251 __u32 flags;
2252 __s32 minimum;
2253 __s32 maximum;
2254 __s32 step;
2255 __s32 default_value;
2256 };
2257
2258 struct v4l2_event_frame_sync {
2259 __u32 frame_sequence;
2260 };
2261
2262 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2263
2264 struct v4l2_event_src_change {
2265 __u32 changes;
2266 };
2267
2268 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2269
2270 /**
2271 * struct v4l2_event_motion_det - motion detection event
2272 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2273 * frame_sequence field is valid.
2274 * @frame_sequence: the frame sequence number associated with this event.
2275 * @region_mask: which regions detected motion.
2276 */
2277 struct v4l2_event_motion_det {
2278 __u32 flags;
2279 __u32 frame_sequence;
2280 __u32 region_mask;
2281 };
2282
2283 struct v4l2_event {
2284 __u32 type;
2285 union {
2286 struct v4l2_event_vsync vsync;
2287 struct v4l2_event_ctrl ctrl;
2288 struct v4l2_event_frame_sync frame_sync;
2289 struct v4l2_event_src_change src_change;
2290 struct v4l2_event_motion_det motion_det;
2291 __u8 data[64];
2292 } u;
2293 __u32 pending;
2294 __u32 sequence;
2295 struct timespec timestamp;
2296 __u32 id;
2297 __u32 reserved[8];
2298 };
2299
2300 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2301 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2302
2303 struct v4l2_event_subscription {
2304 __u32 type;
2305 __u32 id;
2306 __u32 flags;
2307 __u32 reserved[5];
2308 };
2309
2310 /*
2311 * A D V A N C E D D E B U G G I N G
2312 *
2313 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2314 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2315 */
2316
2317 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2318
2319 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2320 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2321
2322 /* The following four defines are no longer in use */
2323 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2324 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2325 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2326 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2327
2328 struct v4l2_dbg_match {
2329 __u32 type; /* Match type */
2330 union { /* Match this chip, meaning determined by type */
2331 __u32 addr;
2332 char name[32];
2333 };
2334 } __attribute__ ((packed));
2335
2336 struct v4l2_dbg_register {
2337 struct v4l2_dbg_match match;
2338 __u32 size; /* register size in bytes */
2339 __u64 reg;
2340 __u64 val;
2341 } __attribute__ ((packed));
2342
2343 #define V4L2_CHIP_FL_READABLE (1 << 0)
2344 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2345
2346 /* VIDIOC_DBG_G_CHIP_INFO */
2347 struct v4l2_dbg_chip_info {
2348 struct v4l2_dbg_match match;
2349 char name[32];
2350 __u32 flags;
2351 __u32 reserved[32];
2352 } __attribute__ ((packed));
2353
2354 /**
2355 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2356 * @index: on return, index of the first created buffer
2357 * @count: entry: number of requested buffers,
2358 * return: number of created buffers
2359 * @memory: enum v4l2_memory; buffer memory type
2360 * @format: frame format, for which buffers are requested
2361 * @capabilities: capabilities of this buffer type.
2362 * @reserved: future extensions
2363 */
2364 struct v4l2_create_buffers {
2365 __u32 index;
2366 __u32 count;
2367 __u32 memory;
2368 struct v4l2_format format;
2369 __u32 capabilities;
2370 __u32 reserved[7];
2371 };
2372
2373 /*
2374 * 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
2375 *
2376 */
2377 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2378 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2379 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2380 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2381 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2382 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2383 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2384 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2385 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2386 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2387 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2388 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2389 #define VIDIOC_STREAMON _IOW('V', 18, int)
2390 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2391 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2392 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2393 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2394 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2395 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2396 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2397 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2398 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2399 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2400 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2401 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2402 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2403 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2404 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2405 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2406 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2407 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2408 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2409 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2410 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2411 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2412 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2413 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2414 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2415 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2416 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2417 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2418 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2419 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2420 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2421 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2422 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2423 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2424 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2425 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2426 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2427 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2428 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2429 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2430 #define VIDIOC_LOG_STATUS _IO('V', 70)
2431 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2432 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2433 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2434 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2435 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2436 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2437 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2438 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2439
2440 /*
2441 * Experimental, meant for debugging, testing and internal use.
2442 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2443 * You must be root to use these ioctls. Never use these in applications!
2444 */
2445 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2446 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2447
2448 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2449 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2450 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2451 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2452 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2453 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2454 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2455 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2456 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2457 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2458 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2459 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2460 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2461 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2462 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2463 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2464
2465 /*
2466 * Experimental, meant for debugging, testing and internal use.
2467 * Never use this in applications!
2468 */
2469 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2470
2471 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2472
2473 /* Reminder: when adding new ioctls please add support for them to
2474 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2475
2476 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2477
2478 #endif /* __LINUX_VIDEODEV2_H */
2479