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 | |
62 | #include <linux/ioctl.h> |
63 | #include <linux/types.h> |
64 | #include <linux/v4l2-common.h> |
65 | #include <linux/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) | (1U << 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 | #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) |
173 | |
174 | enum v4l2_tuner_type { |
175 | V4L2_TUNER_RADIO = 1, |
176 | V4L2_TUNER_ANALOG_TV = 2, |
177 | V4L2_TUNER_DIGITAL_TV = 3, |
178 | V4L2_TUNER_SDR = 4, |
179 | V4L2_TUNER_RF = 5, |
180 | }; |
181 | |
182 | /* Deprecated, do not use */ |
183 | #define V4L2_TUNER_ADC V4L2_TUNER_SDR |
184 | |
185 | enum v4l2_memory { |
186 | V4L2_MEMORY_MMAP = 1, |
187 | V4L2_MEMORY_USERPTR = 2, |
188 | V4L2_MEMORY_OVERLAY = 3, |
189 | V4L2_MEMORY_DMABUF = 4, |
190 | }; |
191 | |
192 | /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ |
193 | enum v4l2_colorspace { |
194 | /* |
195 | * Default colorspace, i.e. let the driver figure it out. |
196 | * Can only be used with video capture. |
197 | */ |
198 | V4L2_COLORSPACE_DEFAULT = 0, |
199 | |
200 | /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ |
201 | V4L2_COLORSPACE_SMPTE170M = 1, |
202 | |
203 | /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ |
204 | V4L2_COLORSPACE_SMPTE240M = 2, |
205 | |
206 | /* Rec.709: used for HDTV */ |
207 | V4L2_COLORSPACE_REC709 = 3, |
208 | |
209 | /* |
210 | * Deprecated, do not use. No driver will ever return this. This was |
211 | * based on a misunderstanding of the bt878 datasheet. |
212 | */ |
213 | V4L2_COLORSPACE_BT878 = 4, |
214 | |
215 | /* |
216 | * NTSC 1953 colorspace. This only makes sense when dealing with |
217 | * really, really old NTSC recordings. Superseded by SMPTE 170M. |
218 | */ |
219 | V4L2_COLORSPACE_470_SYSTEM_M = 5, |
220 | |
221 | /* |
222 | * EBU Tech 3213 PAL/SECAM colorspace. |
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. |
371 | * For Y'CbCr the quantization is always limited range, except |
372 | * 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. |
382 | * The Y'CbCr encoding is not used anymore, but is still there for backwards |
383 | * compatibility. |
384 | */ |
385 | #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ |
386 | (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ |
387 | V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) |
388 | |
389 | /* |
390 | * Deprecated names for opRGB colorspace (IEC 61966-2-5) |
391 | * |
392 | * WARNING: Please don't use these deprecated defines in your code, as |
393 | * there is a chance we have to remove them in the future. |
394 | */ |
395 | #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB |
396 | #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB |
397 | |
398 | enum v4l2_priority { |
399 | V4L2_PRIORITY_UNSET = 0, /* not initialized */ |
400 | V4L2_PRIORITY_BACKGROUND = 1, |
401 | V4L2_PRIORITY_INTERACTIVE = 2, |
402 | V4L2_PRIORITY_RECORD = 3, |
403 | V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, |
404 | }; |
405 | |
406 | struct v4l2_rect { |
407 | __s32 left; |
408 | __s32 top; |
409 | __u32 width; |
410 | __u32 height; |
411 | }; |
412 | |
413 | struct v4l2_fract { |
414 | __u32 numerator; |
415 | __u32 denominator; |
416 | }; |
417 | |
418 | struct v4l2_area { |
419 | __u32 width; |
420 | __u32 height; |
421 | }; |
422 | |
423 | /** |
424 | * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP |
425 | * |
426 | * @driver: name of the driver module (e.g. "bttv") |
427 | * @card: name of the card (e.g. "Hauppauge WinTV") |
428 | * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) |
429 | * @version: KERNEL_VERSION |
430 | * @capabilities: capabilities of the physical device as a whole |
431 | * @device_caps: capabilities accessed via this particular device (node) |
432 | * @reserved: reserved fields for future extensions |
433 | */ |
434 | struct v4l2_capability { |
435 | __u8 driver[16]; |
436 | __u8 card[32]; |
437 | __u8 bus_info[32]; |
438 | __u32 version; |
439 | __u32 capabilities; |
440 | __u32 device_caps; |
441 | __u32 reserved[3]; |
442 | }; |
443 | |
444 | /* Values for 'capabilities' field */ |
445 | #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ |
446 | #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ |
447 | #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ |
448 | #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ |
449 | #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ |
450 | #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ |
451 | #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ |
452 | #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ |
453 | #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ |
454 | #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ |
455 | #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ |
456 | |
457 | /* Is a video capture device that supports multiplanar formats */ |
458 | #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 |
459 | /* Is a video output device that supports multiplanar formats */ |
460 | #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 |
461 | /* Is a video mem-to-mem device that supports multiplanar formats */ |
462 | #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 |
463 | /* Is a video mem-to-mem device */ |
464 | #define V4L2_CAP_VIDEO_M2M 0x00008000 |
465 | |
466 | #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ |
467 | #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ |
468 | #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ |
469 | #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ |
470 | |
471 | #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ |
472 | #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ |
473 | #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ |
474 | #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ |
475 | |
476 | #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ |
477 | #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ |
478 | #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ |
479 | #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ |
480 | |
481 | #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ |
482 | |
483 | #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ |
484 | |
485 | #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ |
486 | |
487 | /* |
488 | * V I D E O I M A G E F O R M A T |
489 | */ |
490 | struct v4l2_pix_format { |
491 | __u32 width; |
492 | __u32 height; |
493 | __u32 pixelformat; |
494 | __u32 field; /* enum v4l2_field */ |
495 | __u32 bytesperline; /* for padding, zero if unused */ |
496 | __u32 sizeimage; |
497 | __u32 colorspace; /* enum v4l2_colorspace */ |
498 | __u32 priv; /* private data, depends on pixelformat */ |
499 | __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ |
500 | union { |
501 | /* enum v4l2_ycbcr_encoding */ |
502 | __u32 ycbcr_enc; |
503 | /* enum v4l2_hsv_encoding */ |
504 | __u32 hsv_enc; |
505 | }; |
506 | __u32 quantization; /* enum v4l2_quantization */ |
507 | __u32 xfer_func; /* enum v4l2_xfer_func */ |
508 | }; |
509 | |
510 | /* Pixel format FOURCC depth Description */ |
511 | |
512 | /* RGB formats (1 or 2 bytes per pixel) */ |
513 | #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ |
514 | #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ |
515 | #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ |
516 | #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ |
517 | #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ |
518 | #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ |
519 | #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ |
520 | #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ |
521 | #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ |
522 | #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ |
523 | #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ |
524 | #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ |
525 | #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ |
526 | #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ |
527 | #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ |
528 | #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ |
529 | #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ |
530 | #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ |
531 | #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ |
532 | #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ |
533 | #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ |
534 | #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ |
535 | #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ |
536 | #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ |
537 | |
538 | /* RGB formats (3 or 4 bytes per pixel) */ |
539 | #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ |
540 | #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ |
541 | #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ |
542 | #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ |
543 | #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ |
544 | #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ |
545 | #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ |
546 | #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ |
547 | #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ |
548 | #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ |
549 | #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ |
550 | #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ |
551 | #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ |
552 | |
553 | /* Grey formats */ |
554 | #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ |
555 | #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ |
556 | #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ |
557 | #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ |
558 | #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ |
559 | #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ |
560 | #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ |
561 | #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ |
562 | |
563 | /* Grey bit-packed formats */ |
564 | #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ |
565 | #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ |
566 | |
567 | /* Palette formats */ |
568 | #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ |
569 | |
570 | /* Chrominance formats */ |
571 | #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ |
572 | |
573 | /* Luminance+Chrominance formats */ |
574 | #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ |
575 | #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ |
576 | #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ |
577 | #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ |
578 | #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ |
579 | #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ |
580 | #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ |
581 | #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ |
582 | #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ |
583 | #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ |
584 | #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ |
585 | #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ |
586 | #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ |
587 | #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ |
588 | #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ |
589 | #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ |
590 | |
591 | /* two planes -- one Y, one Cr + Cb interleaved */ |
592 | #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ |
593 | #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ |
594 | #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ |
595 | #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ |
596 | #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ |
597 | #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ |
598 | #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ |
599 | |
600 | /* two non contiguous planes - one Y, one Cr + Cb interleaved */ |
601 | #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ |
602 | #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ |
603 | #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ |
604 | #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ |
605 | #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ |
606 | #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ |
607 | |
608 | /* three planes - Y Cb, Cr */ |
609 | #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ |
610 | #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ |
611 | #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ |
612 | #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ |
613 | #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ |
614 | #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ |
615 | |
616 | /* three non contiguous planes - Y, Cb, Cr */ |
617 | #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ |
618 | #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ |
619 | #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ |
620 | #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ |
621 | #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ |
622 | #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ |
623 | |
624 | /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ |
625 | #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ |
626 | #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ |
627 | #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ |
628 | #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ |
629 | #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ |
630 | #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ |
631 | #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ |
632 | #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ |
633 | /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ |
634 | #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') |
635 | #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') |
636 | #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') |
637 | #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') |
638 | /* 10bit raw bayer a-law compressed to 8 bits */ |
639 | #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') |
640 | #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') |
641 | #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') |
642 | #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') |
643 | /* 10bit raw bayer DPCM compressed to 8 bits */ |
644 | #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') |
645 | #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') |
646 | #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') |
647 | #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') |
648 | #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ |
649 | #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ |
650 | #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ |
651 | #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ |
652 | /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ |
653 | #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') |
654 | #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') |
655 | #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') |
656 | #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') |
657 | #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ |
658 | #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ |
659 | #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ |
660 | #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ |
661 | /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ |
662 | #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') |
663 | #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') |
664 | #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') |
665 | #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') |
666 | #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ |
667 | #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ |
668 | #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ |
669 | #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ |
670 | |
671 | /* HSV formats */ |
672 | #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') |
673 | #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') |
674 | |
675 | /* compressed formats */ |
676 | #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ |
677 | #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ |
678 | #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ |
679 | #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ |
680 | #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ |
681 | #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ |
682 | #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ |
683 | #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ |
684 | #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ |
685 | #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ |
686 | #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ |
687 | #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ |
688 | #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ |
689 | #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ |
690 | #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ |
691 | #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ |
692 | #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ |
693 | #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ |
694 | #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ |
695 | #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ |
696 | #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ |
697 | #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ |
698 | |
699 | /* Vendor-specific formats */ |
700 | #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ |
701 | #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ |
702 | #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ |
703 | #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ |
704 | #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ |
705 | #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ |
706 | #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ |
707 | #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ |
708 | #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ |
709 | #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ |
710 | #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ |
711 | #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ |
712 | #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ |
713 | #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ |
714 | #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ |
715 | #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ |
716 | #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ |
717 | #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ |
718 | #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ |
719 | #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ |
720 | #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ |
721 | #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ |
722 | #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ |
723 | #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ |
724 | #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ |
725 | #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ |
726 | #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ |
727 | #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ |
728 | #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ |
729 | #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ |
730 | #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ |
731 | #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ |
732 | #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ |
733 | #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ |
734 | |
735 | /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ |
736 | #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ |
737 | #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ |
738 | #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ |
739 | #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ |
740 | |
741 | /* SDR formats - used only for Software Defined Radio devices */ |
742 | #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ |
743 | #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ |
744 | #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ |
745 | #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ |
746 | #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ |
747 | #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ |
748 | #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ |
749 | #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ |
750 | |
751 | /* Touch formats - used for Touch devices */ |
752 | #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ |
753 | #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ |
754 | #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ |
755 | #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ |
756 | |
757 | /* Meta-data formats */ |
758 | #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ |
759 | #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ |
760 | #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ |
761 | #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ |
762 | #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ |
763 | |
764 | /* Vendor specific - used for RK_ISP1 camera sub-system */ |
765 | #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ |
766 | #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ |
767 | |
768 | /* priv field value to indicates that subsequent fields are valid. */ |
769 | #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe |
770 | |
771 | /* Flags */ |
772 | #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 |
773 | #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 |
774 | |
775 | /* |
776 | * F O R M A T E N U M E R A T I O N |
777 | */ |
778 | struct v4l2_fmtdesc { |
779 | __u32 index; /* Format number */ |
780 | __u32 type; /* enum v4l2_buf_type */ |
781 | __u32 flags; |
782 | __u8 description[32]; /* Description string */ |
783 | __u32 pixelformat; /* Format fourcc */ |
784 | __u32 mbus_code; /* Media bus code */ |
785 | __u32 reserved[3]; |
786 | }; |
787 | |
788 | #define V4L2_FMT_FLAG_COMPRESSED 0x0001 |
789 | #define V4L2_FMT_FLAG_EMULATED 0x0002 |
790 | #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 |
791 | #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 |
792 | #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 |
793 | #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 |
794 | #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 |
795 | #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 |
796 | #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC |
797 | #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 |
798 | |
799 | /* Frame Size and frame rate enumeration */ |
800 | /* |
801 | * F R A M E S I Z E E N U M E R A T I O N |
802 | */ |
803 | enum v4l2_frmsizetypes { |
804 | V4L2_FRMSIZE_TYPE_DISCRETE = 1, |
805 | V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, |
806 | V4L2_FRMSIZE_TYPE_STEPWISE = 3, |
807 | }; |
808 | |
809 | struct v4l2_frmsize_discrete { |
810 | __u32 width; /* Frame width [pixel] */ |
811 | __u32 height; /* Frame height [pixel] */ |
812 | }; |
813 | |
814 | struct v4l2_frmsize_stepwise { |
815 | __u32 min_width; /* Minimum frame width [pixel] */ |
816 | __u32 max_width; /* Maximum frame width [pixel] */ |
817 | __u32 step_width; /* Frame width step size [pixel] */ |
818 | __u32 min_height; /* Minimum frame height [pixel] */ |
819 | __u32 max_height; /* Maximum frame height [pixel] */ |
820 | __u32 step_height; /* Frame height step size [pixel] */ |
821 | }; |
822 | |
823 | struct v4l2_frmsizeenum { |
824 | __u32 index; /* Frame size number */ |
825 | __u32 pixel_format; /* Pixel format */ |
826 | __u32 type; /* Frame size type the device supports. */ |
827 | |
828 | union { /* Frame size */ |
829 | struct v4l2_frmsize_discrete discrete; |
830 | struct v4l2_frmsize_stepwise stepwise; |
831 | }; |
832 | |
833 | __u32 reserved[2]; /* Reserved space for future use */ |
834 | }; |
835 | |
836 | /* |
837 | * F R A M E R A T E E N U M E R A T I O N |
838 | */ |
839 | enum v4l2_frmivaltypes { |
840 | V4L2_FRMIVAL_TYPE_DISCRETE = 1, |
841 | V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, |
842 | V4L2_FRMIVAL_TYPE_STEPWISE = 3, |
843 | }; |
844 | |
845 | struct v4l2_frmival_stepwise { |
846 | struct v4l2_fract min; /* Minimum frame interval [s] */ |
847 | struct v4l2_fract max; /* Maximum frame interval [s] */ |
848 | struct v4l2_fract step; /* Frame interval step size [s] */ |
849 | }; |
850 | |
851 | struct v4l2_frmivalenum { |
852 | __u32 index; /* Frame format index */ |
853 | __u32 pixel_format; /* Pixel format */ |
854 | __u32 width; /* Frame width */ |
855 | __u32 height; /* Frame height */ |
856 | __u32 type; /* Frame interval type the device supports. */ |
857 | |
858 | union { /* Frame interval */ |
859 | struct v4l2_fract discrete; |
860 | struct v4l2_frmival_stepwise stepwise; |
861 | }; |
862 | |
863 | __u32 reserved[2]; /* Reserved space for future use */ |
864 | }; |
865 | |
866 | /* |
867 | * T I M E C O D E |
868 | */ |
869 | struct v4l2_timecode { |
870 | __u32 type; |
871 | __u32 flags; |
872 | __u8 frames; |
873 | __u8 seconds; |
874 | __u8 minutes; |
875 | __u8 hours; |
876 | __u8 userbits[4]; |
877 | }; |
878 | |
879 | /* Type */ |
880 | #define V4L2_TC_TYPE_24FPS 1 |
881 | #define V4L2_TC_TYPE_25FPS 2 |
882 | #define V4L2_TC_TYPE_30FPS 3 |
883 | #define V4L2_TC_TYPE_50FPS 4 |
884 | #define V4L2_TC_TYPE_60FPS 5 |
885 | |
886 | /* Flags */ |
887 | #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ |
888 | #define V4L2_TC_FLAG_COLORFRAME 0x0002 |
889 | #define V4L2_TC_USERBITS_field 0x000C |
890 | #define V4L2_TC_USERBITS_USERDEFINED 0x0000 |
891 | #define V4L2_TC_USERBITS_8BITCHARS 0x0008 |
892 | /* The above is based on SMPTE timecodes */ |
893 | |
894 | struct v4l2_jpegcompression { |
895 | int quality; |
896 | |
897 | int APPn; /* Number of APP segment to be written, |
898 | * must be 0..15 */ |
899 | int APP_len; /* Length of data in JPEG APPn segment */ |
900 | char APP_data[60]; /* Data in the JPEG APPn segment. */ |
901 | |
902 | int COM_len; /* Length of data in JPEG COM segment */ |
903 | char COM_data[60]; /* Data in JPEG COM segment */ |
904 | |
905 | __u32 jpeg_markers; /* Which markers should go into the JPEG |
906 | * output. Unless you exactly know what |
907 | * you do, leave them untouched. |
908 | * Including less markers will make the |
909 | * resulting code smaller, but there will |
910 | * be fewer applications which can read it. |
911 | * The presence of the APP and COM marker |
912 | * is influenced by APP_len and COM_len |
913 | * ONLY, not by this property! */ |
914 | |
915 | #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ |
916 | #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ |
917 | #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ |
918 | #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ |
919 | #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will |
920 | * always use APP0 */ |
921 | }; |
922 | |
923 | /* |
924 | * M E M O R Y - M A P P I N G B U F F E R S |
925 | */ |
926 | |
927 | |
928 | struct v4l2_requestbuffers { |
929 | __u32 count; |
930 | __u32 type; /* enum v4l2_buf_type */ |
931 | __u32 memory; /* enum v4l2_memory */ |
932 | __u32 capabilities; |
933 | __u32 reserved[1]; |
934 | }; |
935 | |
936 | /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ |
937 | #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) |
938 | #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) |
939 | #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) |
940 | #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) |
941 | #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) |
942 | #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) |
943 | #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) |
944 | |
945 | /** |
946 | * struct v4l2_plane - plane info for multi-planar buffers |
947 | * @bytesused: number of bytes occupied by data in the plane (payload) |
948 | * @length: size of this plane (NOT the payload) in bytes |
949 | * @mem_offset: when memory in the associated struct v4l2_buffer is |
950 | * V4L2_MEMORY_MMAP, equals the offset from the start of |
951 | * the device memory for this plane (or is a "cookie" that |
952 | * should be passed to mmap() called on the video node) |
953 | * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer |
954 | * pointing to this plane |
955 | * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file |
956 | * descriptor associated with this plane |
957 | * @m: union of @mem_offset, @userptr and @fd |
958 | * @data_offset: offset in the plane to the start of data; usually 0, |
959 | * unless there is a header in front of the data |
960 | * @reserved: drivers and applications must zero this array |
961 | * |
962 | * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer |
963 | * with two planes can have one plane for Y, and another for interleaved CbCr |
964 | * components. Each plane can reside in a separate memory buffer, or even in |
965 | * a completely separate memory node (e.g. in embedded devices). |
966 | */ |
967 | struct v4l2_plane { |
968 | __u32 bytesused; |
969 | __u32 length; |
970 | union { |
971 | __u32 mem_offset; |
972 | unsigned long userptr; |
973 | __s32 fd; |
974 | } m; |
975 | __u32 data_offset; |
976 | __u32 reserved[11]; |
977 | }; |
978 | |
979 | /** |
980 | * struct v4l2_buffer - video buffer info |
981 | * @index: id number of the buffer |
982 | * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for |
983 | * multiplanar buffers); |
984 | * @bytesused: number of bytes occupied by data in the buffer (payload); |
985 | * unused (set to 0) for multiplanar buffers |
986 | * @flags: buffer informational flags |
987 | * @field: enum v4l2_field; field order of the image in the buffer |
988 | * @timestamp: frame timestamp |
989 | * @timecode: frame timecode |
990 | * @sequence: sequence count of this frame |
991 | * @memory: enum v4l2_memory; the method, in which the actual video data is |
992 | * passed |
993 | * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; |
994 | * offset from the start of the device memory for this plane, |
995 | * (or a "cookie" that should be passed to mmap() as offset) |
996 | * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; |
997 | * a userspace pointer pointing to this buffer |
998 | * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; |
999 | * a userspace file descriptor associated with this buffer |
1000 | * @planes: for multiplanar buffers; userspace pointer to the array of plane |
1001 | * info structs for this buffer |
1002 | * @m: union of @offset, @userptr, @planes and @fd |
1003 | * @length: size in bytes of the buffer (NOT its payload) for single-plane |
1004 | * buffers (when type != *_MPLANE); number of elements in the |
1005 | * planes array for multi-plane buffers |
1006 | * @reserved2: drivers and applications must zero this field |
1007 | * @request_fd: fd of the request that this buffer should use |
1008 | * @reserved: for backwards compatibility with applications that do not know |
1009 | * about @request_fd |
1010 | * |
1011 | * Contains data exchanged by application and driver using one of the Streaming |
1012 | * I/O methods. |
1013 | */ |
1014 | struct v4l2_buffer { |
1015 | __u32 index; |
1016 | __u32 type; |
1017 | __u32 bytesused; |
1018 | __u32 flags; |
1019 | __u32 field; |
1020 | struct timeval timestamp; |
1021 | struct v4l2_timecode timecode; |
1022 | __u32 sequence; |
1023 | |
1024 | /* memory location */ |
1025 | __u32 memory; |
1026 | union { |
1027 | __u32 offset; |
1028 | unsigned long userptr; |
1029 | struct v4l2_plane *planes; |
1030 | __s32 fd; |
1031 | } m; |
1032 | __u32 length; |
1033 | __u32 reserved2; |
1034 | union { |
1035 | __s32 request_fd; |
1036 | __u32 reserved; |
1037 | }; |
1038 | }; |
1039 | |
1040 | /** |
1041 | * v4l2_timeval_to_ns - Convert timeval to nanoseconds |
1042 | * @tv: pointer to the timeval variable to be converted |
1043 | * |
1044 | * Returns the scalar nanosecond representation of the timeval |
1045 | * parameter. |
1046 | */ |
1047 | static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv) |
1048 | { |
1049 | return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; |
1050 | } |
1051 | |
1052 | /* Flags for 'flags' field */ |
1053 | /* Buffer is mapped (flag) */ |
1054 | #define V4L2_BUF_FLAG_MAPPED 0x00000001 |
1055 | /* Buffer is queued for processing */ |
1056 | #define V4L2_BUF_FLAG_QUEUED 0x00000002 |
1057 | /* Buffer is ready */ |
1058 | #define V4L2_BUF_FLAG_DONE 0x00000004 |
1059 | /* Image is a keyframe (I-frame) */ |
1060 | #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 |
1061 | /* Image is a P-frame */ |
1062 | #define V4L2_BUF_FLAG_PFRAME 0x00000010 |
1063 | /* Image is a B-frame */ |
1064 | #define V4L2_BUF_FLAG_BFRAME 0x00000020 |
1065 | /* Buffer is ready, but the data contained within is corrupted. */ |
1066 | #define V4L2_BUF_FLAG_ERROR 0x00000040 |
1067 | /* Buffer is added to an unqueued request */ |
1068 | #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 |
1069 | /* timecode field is valid */ |
1070 | #define V4L2_BUF_FLAG_TIMECODE 0x00000100 |
1071 | /* Don't return the capture buffer until OUTPUT timestamp changes */ |
1072 | #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 |
1073 | /* Buffer is prepared for queuing */ |
1074 | #define V4L2_BUF_FLAG_PREPARED 0x00000400 |
1075 | /* Cache handling flags */ |
1076 | #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 |
1077 | #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 |
1078 | /* Timestamp type */ |
1079 | #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 |
1080 | #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 |
1081 | #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 |
1082 | #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 |
1083 | /* Timestamp sources. */ |
1084 | #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 |
1085 | #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 |
1086 | #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 |
1087 | /* mem2mem encoder/decoder */ |
1088 | #define V4L2_BUF_FLAG_LAST 0x00100000 |
1089 | /* request_fd is valid */ |
1090 | #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 |
1091 | |
1092 | /** |
1093 | * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor |
1094 | * |
1095 | * @index: id number of the buffer |
1096 | * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for |
1097 | * multiplanar buffers); |
1098 | * @plane: index of the plane to be exported, 0 for single plane queues |
1099 | * @flags: flags for newly created file, currently only O_CLOEXEC is |
1100 | * supported, refer to manual of open syscall for more details |
1101 | * @fd: file descriptor associated with DMABUF (set by driver) |
1102 | * @reserved: drivers and applications must zero this array |
1103 | * |
1104 | * Contains data used for exporting a video buffer as DMABUF file descriptor. |
1105 | * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF |
1106 | * (identical to the cookie used to mmap() the buffer to userspace). All |
1107 | * reserved fields must be set to zero. The field reserved0 is expected to |
1108 | * become a structure 'type' allowing an alternative layout of the structure |
1109 | * content. Therefore this field should not be used for any other extensions. |
1110 | */ |
1111 | struct v4l2_exportbuffer { |
1112 | __u32 type; /* enum v4l2_buf_type */ |
1113 | __u32 index; |
1114 | __u32 plane; |
1115 | __u32 flags; |
1116 | __s32 fd; |
1117 | __u32 reserved[11]; |
1118 | }; |
1119 | |
1120 | /* |
1121 | * O V E R L A Y P R E V I E W |
1122 | */ |
1123 | struct v4l2_framebuffer { |
1124 | __u32 capability; |
1125 | __u32 flags; |
1126 | /* FIXME: in theory we should pass something like PCI device + memory |
1127 | * region + offset instead of some physical address */ |
1128 | void *base; |
1129 | struct { |
1130 | __u32 width; |
1131 | __u32 height; |
1132 | __u32 pixelformat; |
1133 | __u32 field; /* enum v4l2_field */ |
1134 | __u32 bytesperline; /* for padding, zero if unused */ |
1135 | __u32 sizeimage; |
1136 | __u32 colorspace; /* enum v4l2_colorspace */ |
1137 | __u32 priv; /* reserved field, set to 0 */ |
1138 | } fmt; |
1139 | }; |
1140 | /* Flags for the 'capability' field. Read only */ |
1141 | #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 |
1142 | #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 |
1143 | #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 |
1144 | #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 |
1145 | #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 |
1146 | #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 |
1147 | #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 |
1148 | #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 |
1149 | /* Flags for the 'flags' field. */ |
1150 | #define V4L2_FBUF_FLAG_PRIMARY 0x0001 |
1151 | #define V4L2_FBUF_FLAG_OVERLAY 0x0002 |
1152 | #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 |
1153 | #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 |
1154 | #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 |
1155 | #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 |
1156 | #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 |
1157 | |
1158 | struct v4l2_clip { |
1159 | struct v4l2_rect c; |
1160 | struct v4l2_clip *next; |
1161 | }; |
1162 | |
1163 | struct v4l2_window { |
1164 | struct v4l2_rect w; |
1165 | __u32 field; /* enum v4l2_field */ |
1166 | __u32 chromakey; |
1167 | struct v4l2_clip *clips; |
1168 | __u32 clipcount; |
1169 | void *bitmap; |
1170 | __u8 global_alpha; |
1171 | }; |
1172 | |
1173 | /* |
1174 | * C A P T U R E P A R A M E T E R S |
1175 | */ |
1176 | struct v4l2_captureparm { |
1177 | __u32 capability; /* Supported modes */ |
1178 | __u32 capturemode; /* Current mode */ |
1179 | struct v4l2_fract timeperframe; /* Time per frame in seconds */ |
1180 | __u32 extendedmode; /* Driver-specific extensions */ |
1181 | __u32 readbuffers; /* # of buffers for read */ |
1182 | __u32 reserved[4]; |
1183 | }; |
1184 | |
1185 | /* Flags for 'capability' and 'capturemode' fields */ |
1186 | #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ |
1187 | #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ |
1188 | |
1189 | struct v4l2_outputparm { |
1190 | __u32 capability; /* Supported modes */ |
1191 | __u32 outputmode; /* Current mode */ |
1192 | struct v4l2_fract timeperframe; /* Time per frame in seconds */ |
1193 | __u32 extendedmode; /* Driver-specific extensions */ |
1194 | __u32 writebuffers; /* # of buffers for write */ |
1195 | __u32 reserved[4]; |
1196 | }; |
1197 | |
1198 | /* |
1199 | * I N P U T I M A G E C R O P P I N G |
1200 | */ |
1201 | struct v4l2_cropcap { |
1202 | __u32 type; /* enum v4l2_buf_type */ |
1203 | struct v4l2_rect bounds; |
1204 | struct v4l2_rect defrect; |
1205 | struct v4l2_fract pixelaspect; |
1206 | }; |
1207 | |
1208 | struct v4l2_crop { |
1209 | __u32 type; /* enum v4l2_buf_type */ |
1210 | struct v4l2_rect c; |
1211 | }; |
1212 | |
1213 | /** |
1214 | * struct v4l2_selection - selection info |
1215 | * @type: buffer type (do not use *_MPLANE types) |
1216 | * @target: Selection target, used to choose one of possible rectangles; |
1217 | * defined in v4l2-common.h; V4L2_SEL_TGT_* . |
1218 | * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. |
1219 | * @r: coordinates of selection window |
1220 | * @reserved: for future use, rounds structure size to 64 bytes, set to zero |
1221 | * |
1222 | * Hardware may use multiple helper windows to process a video stream. |
1223 | * The structure is used to exchange this selection areas between |
1224 | * an application and a driver. |
1225 | */ |
1226 | struct v4l2_selection { |
1227 | __u32 type; |
1228 | __u32 target; |
1229 | __u32 flags; |
1230 | struct v4l2_rect r; |
1231 | __u32 reserved[9]; |
1232 | }; |
1233 | |
1234 | |
1235 | /* |
1236 | * A N A L O G V I D E O S T A N D A R D |
1237 | */ |
1238 | |
1239 | typedef __u64 v4l2_std_id; |
1240 | |
1241 | /* |
1242 | * Attention: Keep the V4L2_STD_* bit definitions in sync with |
1243 | * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. |
1244 | */ |
1245 | /* one bit for each */ |
1246 | #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) |
1247 | #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) |
1248 | #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) |
1249 | #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) |
1250 | #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) |
1251 | #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) |
1252 | #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) |
1253 | #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) |
1254 | |
1255 | #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) |
1256 | #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) |
1257 | #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) |
1258 | #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) |
1259 | |
1260 | #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ |
1261 | #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ |
1262 | #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) |
1263 | #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ |
1264 | |
1265 | #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) |
1266 | #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) |
1267 | #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) |
1268 | #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) |
1269 | #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) |
1270 | #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) |
1271 | #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) |
1272 | #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) |
1273 | |
1274 | /* ATSC/HDTV */ |
1275 | #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) |
1276 | #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) |
1277 | |
1278 | /* FIXME: |
1279 | Although std_id is 64 bits, there is an issue on PPC32 architecture that |
1280 | makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding |
1281 | this value to 32 bits. |
1282 | As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), |
1283 | it should work fine. However, if needed to add more than two standards, |
1284 | v4l2-common.c should be fixed. |
1285 | */ |
1286 | |
1287 | /* |
1288 | * Some macros to merge video standards in order to make live easier for the |
1289 | * drivers and V4L2 applications |
1290 | */ |
1291 | |
1292 | /* |
1293 | * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is |
1294 | * Missing here. |
1295 | */ |
1296 | #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ |
1297 | V4L2_STD_NTSC_M_JP |\ |
1298 | V4L2_STD_NTSC_M_KR) |
1299 | /* Secam macros */ |
1300 | #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ |
1301 | V4L2_STD_SECAM_K |\ |
1302 | V4L2_STD_SECAM_K1) |
1303 | /* All Secam Standards */ |
1304 | #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ |
1305 | V4L2_STD_SECAM_G |\ |
1306 | V4L2_STD_SECAM_H |\ |
1307 | V4L2_STD_SECAM_DK |\ |
1308 | V4L2_STD_SECAM_L |\ |
1309 | V4L2_STD_SECAM_LC) |
1310 | /* PAL macros */ |
1311 | #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ |
1312 | V4L2_STD_PAL_B1 |\ |
1313 | V4L2_STD_PAL_G) |
1314 | #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ |
1315 | V4L2_STD_PAL_D1 |\ |
1316 | V4L2_STD_PAL_K) |
1317 | /* |
1318 | * "Common" PAL - This macro is there to be compatible with the old |
1319 | * V4L1 concept of "PAL": /BGDKHI. |
1320 | * Several PAL standards are missing here: /M, /N and /Nc |
1321 | */ |
1322 | #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ |
1323 | V4L2_STD_PAL_DK |\ |
1324 | V4L2_STD_PAL_H |\ |
1325 | V4L2_STD_PAL_I) |
1326 | /* Chroma "agnostic" standards */ |
1327 | #define V4L2_STD_B (V4L2_STD_PAL_B |\ |
1328 | V4L2_STD_PAL_B1 |\ |
1329 | V4L2_STD_SECAM_B) |
1330 | #define V4L2_STD_G (V4L2_STD_PAL_G |\ |
1331 | V4L2_STD_SECAM_G) |
1332 | #define V4L2_STD_H (V4L2_STD_PAL_H |\ |
1333 | V4L2_STD_SECAM_H) |
1334 | #define V4L2_STD_L (V4L2_STD_SECAM_L |\ |
1335 | V4L2_STD_SECAM_LC) |
1336 | #define V4L2_STD_GH (V4L2_STD_G |\ |
1337 | V4L2_STD_H) |
1338 | #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ |
1339 | V4L2_STD_SECAM_DK) |
1340 | #define V4L2_STD_BG (V4L2_STD_B |\ |
1341 | V4L2_STD_G) |
1342 | #define V4L2_STD_MN (V4L2_STD_PAL_M |\ |
1343 | V4L2_STD_PAL_N |\ |
1344 | V4L2_STD_PAL_Nc |\ |
1345 | V4L2_STD_NTSC) |
1346 | |
1347 | /* Standards where MTS/BTSC stereo could be found */ |
1348 | #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ |
1349 | V4L2_STD_PAL_M |\ |
1350 | V4L2_STD_PAL_N |\ |
1351 | V4L2_STD_PAL_Nc) |
1352 | |
1353 | /* Standards for Countries with 60Hz Line frequency */ |
1354 | #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ |
1355 | V4L2_STD_PAL_60 |\ |
1356 | V4L2_STD_NTSC |\ |
1357 | V4L2_STD_NTSC_443) |
1358 | /* Standards for Countries with 50Hz Line frequency */ |
1359 | #define V4L2_STD_625_50 (V4L2_STD_PAL |\ |
1360 | V4L2_STD_PAL_N |\ |
1361 | V4L2_STD_PAL_Nc |\ |
1362 | V4L2_STD_SECAM) |
1363 | |
1364 | #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ |
1365 | V4L2_STD_ATSC_16_VSB) |
1366 | /* Macros with none and all analog standards */ |
1367 | #define V4L2_STD_UNKNOWN 0 |
1368 | #define V4L2_STD_ALL (V4L2_STD_525_60 |\ |
1369 | V4L2_STD_625_50) |
1370 | |
1371 | struct v4l2_standard { |
1372 | __u32 index; |
1373 | v4l2_std_id id; |
1374 | __u8 name[24]; |
1375 | struct v4l2_fract frameperiod; /* Frames, not fields */ |
1376 | __u32 framelines; |
1377 | __u32 reserved[4]; |
1378 | }; |
1379 | |
1380 | /* |
1381 | * D V B T T I M I N G S |
1382 | */ |
1383 | |
1384 | /** struct v4l2_bt_timings - BT.656/BT.1120 timing data |
1385 | * @width: total width of the active video in pixels |
1386 | * @height: total height of the active video in lines |
1387 | * @interlaced: Interlaced or progressive |
1388 | * @polarities: Positive or negative polarities |
1389 | * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 |
1390 | * @hfrontporch:Horizontal front porch in pixels |
1391 | * @hsync: Horizontal Sync length in pixels |
1392 | * @hbackporch: Horizontal back porch in pixels |
1393 | * @vfrontporch:Vertical front porch in lines |
1394 | * @vsync: Vertical Sync length in lines |
1395 | * @vbackporch: Vertical back porch in lines |
1396 | * @il_vfrontporch:Vertical front porch for the even field |
1397 | * (aka field 2) of interlaced field formats |
1398 | * @il_vsync: Vertical Sync length for the even field |
1399 | * (aka field 2) of interlaced field formats |
1400 | * @il_vbackporch:Vertical back porch for the even field |
1401 | * (aka field 2) of interlaced field formats |
1402 | * @standards: Standards the timing belongs to |
1403 | * @flags: Flags |
1404 | * @picture_aspect: The picture aspect ratio (hor/vert). |
1405 | * @cea861_vic: VIC code as per the CEA-861 standard. |
1406 | * @hdmi_vic: VIC code as per the HDMI standard. |
1407 | * @reserved: Reserved fields, must be zeroed. |
1408 | * |
1409 | * A note regarding vertical interlaced timings: height refers to the total |
1410 | * height of the active video frame (= two fields). The blanking timings refer |
1411 | * to the blanking of each field. So the height of the total frame is |
1412 | * calculated as follows: |
1413 | * |
1414 | * tot_height = height + vfrontporch + vsync + vbackporch + |
1415 | * il_vfrontporch + il_vsync + il_vbackporch |
1416 | * |
1417 | * The active height of each field is height / 2. |
1418 | */ |
1419 | struct v4l2_bt_timings { |
1420 | __u32 width; |
1421 | __u32 height; |
1422 | __u32 interlaced; |
1423 | __u32 polarities; |
1424 | __u64 pixelclock; |
1425 | __u32 hfrontporch; |
1426 | __u32 hsync; |
1427 | __u32 hbackporch; |
1428 | __u32 vfrontporch; |
1429 | __u32 vsync; |
1430 | __u32 vbackporch; |
1431 | __u32 il_vfrontporch; |
1432 | __u32 il_vsync; |
1433 | __u32 il_vbackporch; |
1434 | __u32 standards; |
1435 | __u32 flags; |
1436 | struct v4l2_fract picture_aspect; |
1437 | __u8 cea861_vic; |
1438 | __u8 hdmi_vic; |
1439 | __u8 reserved[46]; |
1440 | } __attribute__ ((packed)); |
1441 | |
1442 | /* Interlaced or progressive format */ |
1443 | #define V4L2_DV_PROGRESSIVE 0 |
1444 | #define V4L2_DV_INTERLACED 1 |
1445 | |
1446 | /* Polarities. If bit is not set, it is assumed to be negative polarity */ |
1447 | #define V4L2_DV_VSYNC_POS_POL 0x00000001 |
1448 | #define V4L2_DV_HSYNC_POS_POL 0x00000002 |
1449 | |
1450 | /* Timings standards */ |
1451 | #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ |
1452 | #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ |
1453 | #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ |
1454 | #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ |
1455 | #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ |
1456 | |
1457 | /* Flags */ |
1458 | |
1459 | /* |
1460 | * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary |
1461 | * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking |
1462 | * intervals are reduced, allowing a higher resolution over the same |
1463 | * bandwidth. This is a read-only flag. |
1464 | */ |
1465 | #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) |
1466 | /* |
1467 | * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple |
1468 | * of six. These formats can be optionally played at 1 / 1.001 speed. |
1469 | * This is a read-only flag. |
1470 | */ |
1471 | #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) |
1472 | /* |
1473 | * CEA-861 specific: only valid for video transmitters, the flag is cleared |
1474 | * by receivers. |
1475 | * If the framerate of the format is a multiple of six, then the pixelclock |
1476 | * used to set up the transmitter is divided by 1.001 to make it compatible |
1477 | * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of |
1478 | * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate |
1479 | * such frequencies, then the flag will also be cleared. |
1480 | */ |
1481 | #define V4L2_DV_FL_REDUCED_FPS (1 << 2) |
1482 | /* |
1483 | * Specific to interlaced formats: if set, then field 1 is really one half-line |
1484 | * longer and field 2 is really one half-line shorter, so each field has |
1485 | * exactly the same number of half-lines. Whether half-lines can be detected |
1486 | * or used depends on the hardware. |
1487 | */ |
1488 | #define V4L2_DV_FL_HALF_LINE (1 << 3) |
1489 | /* |
1490 | * If set, then this is a Consumer Electronics (CE) video format. Such formats |
1491 | * differ from other formats (commonly called IT formats) in that if RGB |
1492 | * encoding is used then by default the RGB values use limited range (i.e. |
1493 | * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 |
1494 | * except for the 640x480 format are CE formats. |
1495 | */ |
1496 | #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) |
1497 | /* Some formats like SMPTE-125M have an interlaced signal with a odd |
1498 | * total height. For these formats, if this flag is set, the first |
1499 | * field has the extra line. If not, it is the second field. |
1500 | */ |
1501 | #define (1 << 5) |
1502 | /* |
1503 | * If set, then the picture_aspect field is valid. Otherwise assume that the |
1504 | * pixels are square, so the picture aspect ratio is the same as the width to |
1505 | * height ratio. |
1506 | */ |
1507 | #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) |
1508 | /* |
1509 | * If set, then the cea861_vic field is valid and contains the Video |
1510 | * Identification Code as per the CEA-861 standard. |
1511 | */ |
1512 | #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) |
1513 | /* |
1514 | * If set, then the hdmi_vic field is valid and contains the Video |
1515 | * Identification Code as per the HDMI standard (HDMI Vendor Specific |
1516 | * InfoFrame). |
1517 | */ |
1518 | #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) |
1519 | /* |
1520 | * CEA-861 specific: only valid for video receivers. |
1521 | * If set, then HW can detect the difference between regular FPS and |
1522 | * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with |
1523 | * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. |
1524 | */ |
1525 | #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) |
1526 | |
1527 | /* A few useful defines to calculate the total blanking and frame sizes */ |
1528 | #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ |
1529 | ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) |
1530 | #define V4L2_DV_BT_FRAME_WIDTH(bt) \ |
1531 | ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) |
1532 | #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ |
1533 | ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ |
1534 | ((bt)->interlaced ? \ |
1535 | ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) |
1536 | #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ |
1537 | ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) |
1538 | |
1539 | /** struct v4l2_dv_timings - DV timings |
1540 | * @type: the type of the timings |
1541 | * @bt: BT656/1120 timings |
1542 | */ |
1543 | struct v4l2_dv_timings { |
1544 | __u32 type; |
1545 | union { |
1546 | struct v4l2_bt_timings bt; |
1547 | __u32 reserved[32]; |
1548 | }; |
1549 | } __attribute__ ((packed)); |
1550 | |
1551 | /* Values for the type field */ |
1552 | #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ |
1553 | |
1554 | |
1555 | /** struct v4l2_enum_dv_timings - DV timings enumeration |
1556 | * @index: enumeration index |
1557 | * @pad: the pad number for which to enumerate timings (used with |
1558 | * v4l-subdev nodes only) |
1559 | * @reserved: must be zeroed |
1560 | * @timings: the timings for the given index |
1561 | */ |
1562 | struct v4l2_enum_dv_timings { |
1563 | __u32 index; |
1564 | __u32 pad; |
1565 | __u32 reserved[2]; |
1566 | struct v4l2_dv_timings timings; |
1567 | }; |
1568 | |
1569 | /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities |
1570 | * @min_width: width in pixels |
1571 | * @max_width: width in pixels |
1572 | * @min_height: height in lines |
1573 | * @max_height: height in lines |
1574 | * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 |
1575 | * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 |
1576 | * @standards: Supported standards |
1577 | * @capabilities: Supported capabilities |
1578 | * @reserved: Must be zeroed |
1579 | */ |
1580 | struct v4l2_bt_timings_cap { |
1581 | __u32 min_width; |
1582 | __u32 max_width; |
1583 | __u32 min_height; |
1584 | __u32 max_height; |
1585 | __u64 min_pixelclock; |
1586 | __u64 max_pixelclock; |
1587 | __u32 standards; |
1588 | __u32 capabilities; |
1589 | __u32 reserved[16]; |
1590 | } __attribute__ ((packed)); |
1591 | |
1592 | /* Supports interlaced formats */ |
1593 | #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) |
1594 | /* Supports progressive formats */ |
1595 | #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) |
1596 | /* Supports CVT/GTF reduced blanking */ |
1597 | #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) |
1598 | /* Supports custom formats */ |
1599 | #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) |
1600 | |
1601 | /** struct v4l2_dv_timings_cap - DV timings capabilities |
1602 | * @type: the type of the timings (same as in struct v4l2_dv_timings) |
1603 | * @pad: the pad number for which to query capabilities (used with |
1604 | * v4l-subdev nodes only) |
1605 | * @bt: the BT656/1120 timings capabilities |
1606 | */ |
1607 | struct v4l2_dv_timings_cap { |
1608 | __u32 type; |
1609 | __u32 pad; |
1610 | __u32 reserved[2]; |
1611 | union { |
1612 | struct v4l2_bt_timings_cap bt; |
1613 | __u32 raw_data[32]; |
1614 | }; |
1615 | }; |
1616 | |
1617 | |
1618 | /* |
1619 | * V I D E O I N P U T S |
1620 | */ |
1621 | struct v4l2_input { |
1622 | __u32 index; /* Which input */ |
1623 | __u8 name[32]; /* Label */ |
1624 | __u32 type; /* Type of input */ |
1625 | __u32 audioset; /* Associated audios (bitfield) */ |
1626 | __u32 tuner; /* Tuner index */ |
1627 | v4l2_std_id std; |
1628 | __u32 status; |
1629 | __u32 capabilities; |
1630 | __u32 reserved[3]; |
1631 | }; |
1632 | |
1633 | /* Values for the 'type' field */ |
1634 | #define V4L2_INPUT_TYPE_TUNER 1 |
1635 | #define V4L2_INPUT_TYPE_CAMERA 2 |
1636 | #define V4L2_INPUT_TYPE_TOUCH 3 |
1637 | |
1638 | /* field 'status' - general */ |
1639 | #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ |
1640 | #define V4L2_IN_ST_NO_SIGNAL 0x00000002 |
1641 | #define V4L2_IN_ST_NO_COLOR 0x00000004 |
1642 | |
1643 | /* field 'status' - sensor orientation */ |
1644 | /* If sensor is mounted upside down set both bits */ |
1645 | #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ |
1646 | #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ |
1647 | |
1648 | /* field 'status' - analog */ |
1649 | #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ |
1650 | #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ |
1651 | #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ |
1652 | #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ |
1653 | |
1654 | /* field 'status' - digital */ |
1655 | #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ |
1656 | #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ |
1657 | #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ |
1658 | |
1659 | /* field 'status' - VCR and set-top box */ |
1660 | #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ |
1661 | #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ |
1662 | #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ |
1663 | |
1664 | /* capabilities flags */ |
1665 | #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ |
1666 | #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ |
1667 | #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ |
1668 | #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ |
1669 | |
1670 | /* |
1671 | * V I D E O O U T P U T S |
1672 | */ |
1673 | struct v4l2_output { |
1674 | __u32 index; /* Which output */ |
1675 | __u8 name[32]; /* Label */ |
1676 | __u32 type; /* Type of output */ |
1677 | __u32 audioset; /* Associated audios (bitfield) */ |
1678 | __u32 modulator; /* Associated modulator */ |
1679 | v4l2_std_id std; |
1680 | __u32 capabilities; |
1681 | __u32 reserved[3]; |
1682 | }; |
1683 | /* Values for the 'type' field */ |
1684 | #define V4L2_OUTPUT_TYPE_MODULATOR 1 |
1685 | #define V4L2_OUTPUT_TYPE_ANALOG 2 |
1686 | #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 |
1687 | |
1688 | /* capabilities flags */ |
1689 | #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ |
1690 | #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ |
1691 | #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ |
1692 | #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ |
1693 | |
1694 | /* |
1695 | * C O N T R O L S |
1696 | */ |
1697 | struct v4l2_control { |
1698 | __u32 id; |
1699 | __s32 value; |
1700 | }; |
1701 | |
1702 | struct v4l2_ext_control { |
1703 | __u32 id; |
1704 | __u32 size; |
1705 | __u32 reserved2[1]; |
1706 | union { |
1707 | __s32 value; |
1708 | __s64 value64; |
1709 | char *string; |
1710 | __u8 *p_u8; |
1711 | __u16 *p_u16; |
1712 | __u32 *p_u32; |
1713 | struct v4l2_area *p_area; |
1714 | struct v4l2_ctrl_h264_sps *p_h264_sps; |
1715 | struct v4l2_ctrl_h264_pps *p_h264_pps; |
1716 | struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix; |
1717 | struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights; |
1718 | struct v4l2_ctrl_h264_slice_params *p_h264_slice_params; |
1719 | struct v4l2_ctrl_h264_decode_params *p_h264_decode_params; |
1720 | struct v4l2_ctrl_fwht_params *p_fwht_params; |
1721 | struct v4l2_ctrl_vp8_frame *p_vp8_frame; |
1722 | struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence; |
1723 | struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture; |
1724 | struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation; |
1725 | void *ptr; |
1726 | }; |
1727 | } __attribute__ ((packed)); |
1728 | |
1729 | struct v4l2_ext_controls { |
1730 | union { |
1731 | __u32 ctrl_class; |
1732 | __u32 which; |
1733 | }; |
1734 | __u32 count; |
1735 | __u32 error_idx; |
1736 | __s32 request_fd; |
1737 | __u32 reserved[1]; |
1738 | struct v4l2_ext_control *controls; |
1739 | }; |
1740 | |
1741 | #define V4L2_CTRL_ID_MASK (0x0fffffff) |
1742 | #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) |
1743 | #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) |
1744 | #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) |
1745 | #define V4L2_CTRL_MAX_DIMS (4) |
1746 | #define V4L2_CTRL_WHICH_CUR_VAL 0 |
1747 | #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 |
1748 | #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 |
1749 | |
1750 | enum v4l2_ctrl_type { |
1751 | V4L2_CTRL_TYPE_INTEGER = 1, |
1752 | V4L2_CTRL_TYPE_BOOLEAN = 2, |
1753 | = 3, |
1754 | V4L2_CTRL_TYPE_BUTTON = 4, |
1755 | V4L2_CTRL_TYPE_INTEGER64 = 5, |
1756 | V4L2_CTRL_TYPE_CTRL_CLASS = 6, |
1757 | V4L2_CTRL_TYPE_STRING = 7, |
1758 | V4L2_CTRL_TYPE_BITMASK = 8, |
1759 | = 9, |
1760 | |
1761 | /* Compound types are >= 0x0100 */ |
1762 | V4L2_CTRL_COMPOUND_TYPES = 0x0100, |
1763 | V4L2_CTRL_TYPE_U8 = 0x0100, |
1764 | V4L2_CTRL_TYPE_U16 = 0x0101, |
1765 | V4L2_CTRL_TYPE_U32 = 0x0102, |
1766 | V4L2_CTRL_TYPE_AREA = 0x0106, |
1767 | |
1768 | V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, |
1769 | V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, |
1770 | |
1771 | V4L2_CTRL_TYPE_H264_SPS = 0x0200, |
1772 | V4L2_CTRL_TYPE_H264_PPS = 0x0201, |
1773 | V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, |
1774 | V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, |
1775 | V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, |
1776 | V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, |
1777 | |
1778 | V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, |
1779 | |
1780 | V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, |
1781 | |
1782 | V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, |
1783 | V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, |
1784 | V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, |
1785 | }; |
1786 | |
1787 | /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ |
1788 | struct v4l2_queryctrl { |
1789 | __u32 id; |
1790 | __u32 type; /* enum v4l2_ctrl_type */ |
1791 | __u8 name[32]; /* Whatever */ |
1792 | __s32 minimum; /* Note signedness */ |
1793 | __s32 maximum; |
1794 | __s32 step; |
1795 | __s32 default_value; |
1796 | __u32 flags; |
1797 | __u32 reserved[2]; |
1798 | }; |
1799 | |
1800 | /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ |
1801 | struct v4l2_query_ext_ctrl { |
1802 | __u32 id; |
1803 | __u32 type; |
1804 | char name[32]; |
1805 | __s64 minimum; |
1806 | __s64 maximum; |
1807 | __u64 step; |
1808 | __s64 default_value; |
1809 | __u32 flags; |
1810 | __u32 elem_size; |
1811 | __u32 elems; |
1812 | __u32 nr_of_dims; |
1813 | __u32 dims[V4L2_CTRL_MAX_DIMS]; |
1814 | __u32 reserved[32]; |
1815 | }; |
1816 | |
1817 | /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ |
1818 | struct { |
1819 | __u32 ; |
1820 | __u32 ; |
1821 | union { |
1822 | __u8 [32]; /* Whatever */ |
1823 | __s64 ; |
1824 | }; |
1825 | __u32 ; |
1826 | } __attribute__ ((packed)); |
1827 | |
1828 | /* Control flags */ |
1829 | #define V4L2_CTRL_FLAG_DISABLED 0x0001 |
1830 | #define V4L2_CTRL_FLAG_GRABBED 0x0002 |
1831 | #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 |
1832 | #define V4L2_CTRL_FLAG_UPDATE 0x0008 |
1833 | #define V4L2_CTRL_FLAG_INACTIVE 0x0010 |
1834 | #define V4L2_CTRL_FLAG_SLIDER 0x0020 |
1835 | #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 |
1836 | #define V4L2_CTRL_FLAG_VOLATILE 0x0080 |
1837 | #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 |
1838 | #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 |
1839 | #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 |
1840 | |
1841 | /* Query flags, to be ORed with the control ID */ |
1842 | #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 |
1843 | #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 |
1844 | |
1845 | /* User-class control IDs defined by V4L2 */ |
1846 | #define V4L2_CID_MAX_CTRLS 1024 |
1847 | /* IDs reserved for driver specific controls */ |
1848 | #define V4L2_CID_PRIVATE_BASE 0x08000000 |
1849 | |
1850 | |
1851 | /* |
1852 | * T U N I N G |
1853 | */ |
1854 | struct v4l2_tuner { |
1855 | __u32 index; |
1856 | __u8 name[32]; |
1857 | __u32 type; /* enum v4l2_tuner_type */ |
1858 | __u32 capability; |
1859 | __u32 rangelow; |
1860 | __u32 rangehigh; |
1861 | __u32 rxsubchans; |
1862 | __u32 audmode; |
1863 | __s32 signal; |
1864 | __s32 afc; |
1865 | __u32 reserved[4]; |
1866 | }; |
1867 | |
1868 | struct v4l2_modulator { |
1869 | __u32 index; |
1870 | __u8 name[32]; |
1871 | __u32 capability; |
1872 | __u32 rangelow; |
1873 | __u32 rangehigh; |
1874 | __u32 txsubchans; |
1875 | __u32 type; /* enum v4l2_tuner_type */ |
1876 | __u32 reserved[3]; |
1877 | }; |
1878 | |
1879 | /* Flags for the 'capability' field */ |
1880 | #define V4L2_TUNER_CAP_LOW 0x0001 |
1881 | #define V4L2_TUNER_CAP_NORM 0x0002 |
1882 | #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 |
1883 | #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 |
1884 | #define V4L2_TUNER_CAP_STEREO 0x0010 |
1885 | #define V4L2_TUNER_CAP_LANG2 0x0020 |
1886 | #define V4L2_TUNER_CAP_SAP 0x0020 |
1887 | #define V4L2_TUNER_CAP_LANG1 0x0040 |
1888 | #define V4L2_TUNER_CAP_RDS 0x0080 |
1889 | #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 |
1890 | #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 |
1891 | #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 |
1892 | #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 |
1893 | #define V4L2_TUNER_CAP_1HZ 0x1000 |
1894 | |
1895 | /* Flags for the 'rxsubchans' field */ |
1896 | #define V4L2_TUNER_SUB_MONO 0x0001 |
1897 | #define V4L2_TUNER_SUB_STEREO 0x0002 |
1898 | #define V4L2_TUNER_SUB_LANG2 0x0004 |
1899 | #define V4L2_TUNER_SUB_SAP 0x0004 |
1900 | #define V4L2_TUNER_SUB_LANG1 0x0008 |
1901 | #define V4L2_TUNER_SUB_RDS 0x0010 |
1902 | |
1903 | /* Values for the 'audmode' field */ |
1904 | #define V4L2_TUNER_MODE_MONO 0x0000 |
1905 | #define V4L2_TUNER_MODE_STEREO 0x0001 |
1906 | #define V4L2_TUNER_MODE_LANG2 0x0002 |
1907 | #define V4L2_TUNER_MODE_SAP 0x0002 |
1908 | #define V4L2_TUNER_MODE_LANG1 0x0003 |
1909 | #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 |
1910 | |
1911 | struct v4l2_frequency { |
1912 | __u32 tuner; |
1913 | __u32 type; /* enum v4l2_tuner_type */ |
1914 | __u32 frequency; |
1915 | __u32 reserved[8]; |
1916 | }; |
1917 | |
1918 | #define V4L2_BAND_MODULATION_VSB (1 << 1) |
1919 | #define V4L2_BAND_MODULATION_FM (1 << 2) |
1920 | #define V4L2_BAND_MODULATION_AM (1 << 3) |
1921 | |
1922 | struct v4l2_frequency_band { |
1923 | __u32 tuner; |
1924 | __u32 type; /* enum v4l2_tuner_type */ |
1925 | __u32 index; |
1926 | __u32 capability; |
1927 | __u32 rangelow; |
1928 | __u32 rangehigh; |
1929 | __u32 modulation; |
1930 | __u32 reserved[9]; |
1931 | }; |
1932 | |
1933 | struct v4l2_hw_freq_seek { |
1934 | __u32 tuner; |
1935 | __u32 type; /* enum v4l2_tuner_type */ |
1936 | __u32 seek_upward; |
1937 | __u32 wrap_around; |
1938 | __u32 spacing; |
1939 | __u32 rangelow; |
1940 | __u32 rangehigh; |
1941 | __u32 reserved[5]; |
1942 | }; |
1943 | |
1944 | /* |
1945 | * R D S |
1946 | */ |
1947 | |
1948 | struct v4l2_rds_data { |
1949 | __u8 lsb; |
1950 | __u8 msb; |
1951 | __u8 block; |
1952 | } __attribute__ ((packed)); |
1953 | |
1954 | #define V4L2_RDS_BLOCK_MSK 0x7 |
1955 | #define V4L2_RDS_BLOCK_A 0 |
1956 | #define V4L2_RDS_BLOCK_B 1 |
1957 | #define V4L2_RDS_BLOCK_C 2 |
1958 | #define V4L2_RDS_BLOCK_D 3 |
1959 | #define V4L2_RDS_BLOCK_C_ALT 4 |
1960 | #define V4L2_RDS_BLOCK_INVALID 7 |
1961 | |
1962 | #define V4L2_RDS_BLOCK_CORRECTED 0x40 |
1963 | #define V4L2_RDS_BLOCK_ERROR 0x80 |
1964 | |
1965 | /* |
1966 | * A U D I O |
1967 | */ |
1968 | struct v4l2_audio { |
1969 | __u32 index; |
1970 | __u8 name[32]; |
1971 | __u32 capability; |
1972 | __u32 mode; |
1973 | __u32 reserved[2]; |
1974 | }; |
1975 | |
1976 | /* Flags for the 'capability' field */ |
1977 | #define V4L2_AUDCAP_STEREO 0x00001 |
1978 | #define V4L2_AUDCAP_AVL 0x00002 |
1979 | |
1980 | /* Flags for the 'mode' field */ |
1981 | #define V4L2_AUDMODE_AVL 0x00001 |
1982 | |
1983 | struct v4l2_audioout { |
1984 | __u32 index; |
1985 | __u8 name[32]; |
1986 | __u32 capability; |
1987 | __u32 mode; |
1988 | __u32 reserved[2]; |
1989 | }; |
1990 | |
1991 | /* |
1992 | * M P E G S E R V I C E S |
1993 | */ |
1994 | #if 1 |
1995 | #define V4L2_ENC_IDX_FRAME_I (0) |
1996 | #define V4L2_ENC_IDX_FRAME_P (1) |
1997 | #define V4L2_ENC_IDX_FRAME_B (2) |
1998 | #define V4L2_ENC_IDX_FRAME_MASK (0xf) |
1999 | |
2000 | struct v4l2_enc_idx_entry { |
2001 | __u64 offset; |
2002 | __u64 pts; |
2003 | __u32 length; |
2004 | __u32 flags; |
2005 | __u32 reserved[2]; |
2006 | }; |
2007 | |
2008 | #define V4L2_ENC_IDX_ENTRIES (64) |
2009 | struct v4l2_enc_idx { |
2010 | __u32 entries; |
2011 | __u32 entries_cap; |
2012 | __u32 reserved[4]; |
2013 | struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; |
2014 | }; |
2015 | |
2016 | |
2017 | #define V4L2_ENC_CMD_START (0) |
2018 | #define V4L2_ENC_CMD_STOP (1) |
2019 | #define V4L2_ENC_CMD_PAUSE (2) |
2020 | #define V4L2_ENC_CMD_RESUME (3) |
2021 | |
2022 | /* Flags for V4L2_ENC_CMD_STOP */ |
2023 | #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) |
2024 | |
2025 | struct v4l2_encoder_cmd { |
2026 | __u32 cmd; |
2027 | __u32 flags; |
2028 | union { |
2029 | struct { |
2030 | __u32 data[8]; |
2031 | } raw; |
2032 | }; |
2033 | }; |
2034 | |
2035 | /* Decoder commands */ |
2036 | #define V4L2_DEC_CMD_START (0) |
2037 | #define V4L2_DEC_CMD_STOP (1) |
2038 | #define V4L2_DEC_CMD_PAUSE (2) |
2039 | #define V4L2_DEC_CMD_RESUME (3) |
2040 | #define V4L2_DEC_CMD_FLUSH (4) |
2041 | |
2042 | /* Flags for V4L2_DEC_CMD_START */ |
2043 | #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) |
2044 | |
2045 | /* Flags for V4L2_DEC_CMD_PAUSE */ |
2046 | #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) |
2047 | |
2048 | /* Flags for V4L2_DEC_CMD_STOP */ |
2049 | #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) |
2050 | #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) |
2051 | |
2052 | /* Play format requirements (returned by the driver): */ |
2053 | |
2054 | /* The decoder has no special format requirements */ |
2055 | #define V4L2_DEC_START_FMT_NONE (0) |
2056 | /* The decoder requires full GOPs */ |
2057 | #define V4L2_DEC_START_FMT_GOP (1) |
2058 | |
2059 | /* The structure must be zeroed before use by the application |
2060 | This ensures it can be extended safely in the future. */ |
2061 | struct v4l2_decoder_cmd { |
2062 | __u32 cmd; |
2063 | __u32 flags; |
2064 | union { |
2065 | struct { |
2066 | __u64 pts; |
2067 | } stop; |
2068 | |
2069 | struct { |
2070 | /* 0 or 1000 specifies normal speed, |
2071 | 1 specifies forward single stepping, |
2072 | -1 specifies backward single stepping, |
2073 | >1: playback at speed/1000 of the normal speed, |
2074 | <-1: reverse playback at (-speed/1000) of the normal speed. */ |
2075 | __s32 speed; |
2076 | __u32 format; |
2077 | } start; |
2078 | |
2079 | struct { |
2080 | __u32 data[16]; |
2081 | } raw; |
2082 | }; |
2083 | }; |
2084 | #endif |
2085 | |
2086 | |
2087 | /* |
2088 | * D A T A S E R V I C E S ( V B I ) |
2089 | * |
2090 | * Data services API by Michael Schimek |
2091 | */ |
2092 | |
2093 | /* Raw VBI */ |
2094 | struct v4l2_vbi_format { |
2095 | __u32 sampling_rate; /* in 1 Hz */ |
2096 | __u32 offset; |
2097 | __u32 samples_per_line; |
2098 | __u32 sample_format; /* V4L2_PIX_FMT_* */ |
2099 | __s32 start[2]; |
2100 | __u32 count[2]; |
2101 | __u32 flags; /* V4L2_VBI_* */ |
2102 | __u32 reserved[2]; /* must be zero */ |
2103 | }; |
2104 | |
2105 | /* VBI flags */ |
2106 | #define V4L2_VBI_UNSYNC (1 << 0) |
2107 | #define V4L2_VBI_INTERLACED (1 << 1) |
2108 | |
2109 | /* ITU-R start lines for each field */ |
2110 | #define V4L2_VBI_ITU_525_F1_START (1) |
2111 | #define V4L2_VBI_ITU_525_F2_START (264) |
2112 | #define V4L2_VBI_ITU_625_F1_START (1) |
2113 | #define V4L2_VBI_ITU_625_F2_START (314) |
2114 | |
2115 | /* Sliced VBI |
2116 | * |
2117 | * This implements is a proposal V4L2 API to allow SLICED VBI |
2118 | * required for some hardware encoders. It should change without |
2119 | * notice in the definitive implementation. |
2120 | */ |
2121 | |
2122 | struct v4l2_sliced_vbi_format { |
2123 | __u16 service_set; |
2124 | /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field |
2125 | service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field |
2126 | (equals frame lines 313-336 for 625 line video |
2127 | standards, 263-286 for 525 line standards) */ |
2128 | __u16 service_lines[2][24]; |
2129 | __u32 io_size; |
2130 | __u32 reserved[2]; /* must be zero */ |
2131 | }; |
2132 | |
2133 | /* Teletext World System Teletext |
2134 | (WST), defined on ITU-R BT.653-2 */ |
2135 | #define V4L2_SLICED_TELETEXT_B (0x0001) |
2136 | /* Video Program System, defined on ETS 300 231*/ |
2137 | #define V4L2_SLICED_VPS (0x0400) |
2138 | /* Closed Caption, defined on EIA-608 */ |
2139 | #define V4L2_SLICED_CAPTION_525 (0x1000) |
2140 | /* Wide Screen System, defined on ITU-R BT1119.1 */ |
2141 | #define V4L2_SLICED_WSS_625 (0x4000) |
2142 | |
2143 | #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) |
2144 | #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) |
2145 | |
2146 | struct v4l2_sliced_vbi_cap { |
2147 | __u16 service_set; |
2148 | /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field |
2149 | service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field |
2150 | (equals frame lines 313-336 for 625 line video |
2151 | standards, 263-286 for 525 line standards) */ |
2152 | __u16 service_lines[2][24]; |
2153 | __u32 type; /* enum v4l2_buf_type */ |
2154 | __u32 reserved[3]; /* must be 0 */ |
2155 | }; |
2156 | |
2157 | struct v4l2_sliced_vbi_data { |
2158 | __u32 id; |
2159 | __u32 field; /* 0: first field, 1: second field */ |
2160 | __u32 line; /* 1-23 */ |
2161 | __u32 reserved; /* must be 0 */ |
2162 | __u8 data[48]; |
2163 | }; |
2164 | |
2165 | /* |
2166 | * Sliced VBI data inserted into MPEG Streams |
2167 | */ |
2168 | |
2169 | /* |
2170 | * V4L2_MPEG_STREAM_VBI_FMT_IVTV: |
2171 | * |
2172 | * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an |
2173 | * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI |
2174 | * data |
2175 | * |
2176 | * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header |
2177 | * definitions are not included here. See the MPEG-2 specifications for details |
2178 | * on these headers. |
2179 | */ |
2180 | |
2181 | /* Line type IDs */ |
2182 | #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) |
2183 | #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) |
2184 | #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) |
2185 | #define V4L2_MPEG_VBI_IVTV_VPS (7) |
2186 | |
2187 | struct v4l2_mpeg_vbi_itv0_line { |
2188 | __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ |
2189 | __u8 data[42]; /* Sliced VBI data for the line */ |
2190 | } __attribute__ ((packed)); |
2191 | |
2192 | struct v4l2_mpeg_vbi_itv0 { |
2193 | __le32 linemask[2]; /* Bitmasks of VBI service lines present */ |
2194 | struct v4l2_mpeg_vbi_itv0_line line[35]; |
2195 | } __attribute__ ((packed)); |
2196 | |
2197 | struct v4l2_mpeg_vbi_ITV0 { |
2198 | struct v4l2_mpeg_vbi_itv0_line line[36]; |
2199 | } __attribute__ ((packed)); |
2200 | |
2201 | #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" |
2202 | #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" |
2203 | |
2204 | struct v4l2_mpeg_vbi_fmt_ivtv { |
2205 | __u8 magic[4]; |
2206 | union { |
2207 | struct v4l2_mpeg_vbi_itv0 itv0; |
2208 | struct v4l2_mpeg_vbi_ITV0 ITV0; |
2209 | }; |
2210 | } __attribute__ ((packed)); |
2211 | |
2212 | /* |
2213 | * A G G R E G A T E S T R U C T U R E S |
2214 | */ |
2215 | |
2216 | /** |
2217 | * struct v4l2_plane_pix_format - additional, per-plane format definition |
2218 | * @sizeimage: maximum size in bytes required for data, for which |
2219 | * this plane will be used |
2220 | * @bytesperline: distance in bytes between the leftmost pixels in two |
2221 | * adjacent lines |
2222 | * @reserved: drivers and applications must zero this array |
2223 | */ |
2224 | struct v4l2_plane_pix_format { |
2225 | __u32 sizeimage; |
2226 | __u32 bytesperline; |
2227 | __u16 reserved[6]; |
2228 | } __attribute__ ((packed)); |
2229 | |
2230 | /** |
2231 | * struct v4l2_pix_format_mplane - multiplanar format definition |
2232 | * @width: image width in pixels |
2233 | * @height: image height in pixels |
2234 | * @pixelformat: little endian four character code (fourcc) |
2235 | * @field: enum v4l2_field; field order (for interlaced video) |
2236 | * @colorspace: enum v4l2_colorspace; supplemental to pixelformat |
2237 | * @plane_fmt: per-plane information |
2238 | * @num_planes: number of planes for this format |
2239 | * @flags: format flags (V4L2_PIX_FMT_FLAG_*) |
2240 | * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding |
2241 | * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding |
2242 | * @quantization: enum v4l2_quantization, colorspace quantization |
2243 | * @xfer_func: enum v4l2_xfer_func, colorspace transfer function |
2244 | * @reserved: drivers and applications must zero this array |
2245 | */ |
2246 | struct v4l2_pix_format_mplane { |
2247 | __u32 width; |
2248 | __u32 height; |
2249 | __u32 pixelformat; |
2250 | __u32 field; |
2251 | __u32 colorspace; |
2252 | |
2253 | struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; |
2254 | __u8 num_planes; |
2255 | __u8 flags; |
2256 | union { |
2257 | __u8 ycbcr_enc; |
2258 | __u8 hsv_enc; |
2259 | }; |
2260 | __u8 quantization; |
2261 | __u8 xfer_func; |
2262 | __u8 reserved[7]; |
2263 | } __attribute__ ((packed)); |
2264 | |
2265 | /** |
2266 | * struct v4l2_sdr_format - SDR format definition |
2267 | * @pixelformat: little endian four character code (fourcc) |
2268 | * @buffersize: maximum size in bytes required for data |
2269 | * @reserved: drivers and applications must zero this array |
2270 | */ |
2271 | struct v4l2_sdr_format { |
2272 | __u32 pixelformat; |
2273 | __u32 buffersize; |
2274 | __u8 reserved[24]; |
2275 | } __attribute__ ((packed)); |
2276 | |
2277 | /** |
2278 | * struct v4l2_meta_format - metadata format definition |
2279 | * @dataformat: little endian four character code (fourcc) |
2280 | * @buffersize: maximum size in bytes required for data |
2281 | */ |
2282 | struct v4l2_meta_format { |
2283 | __u32 dataformat; |
2284 | __u32 buffersize; |
2285 | } __attribute__ ((packed)); |
2286 | |
2287 | /** |
2288 | * struct v4l2_format - stream data format |
2289 | * @type: enum v4l2_buf_type; type of the data stream |
2290 | * @pix: definition of an image format |
2291 | * @pix_mp: definition of a multiplanar image format |
2292 | * @win: definition of an overlaid image |
2293 | * @vbi: raw VBI capture or output parameters |
2294 | * @sliced: sliced VBI capture or output parameters |
2295 | * @raw_data: placeholder for future extensions and custom formats |
2296 | * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta |
2297 | * and @raw_data |
2298 | */ |
2299 | struct v4l2_format { |
2300 | __u32 type; |
2301 | union { |
2302 | struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ |
2303 | struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ |
2304 | struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ |
2305 | struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ |
2306 | struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ |
2307 | struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ |
2308 | struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ |
2309 | __u8 raw_data[200]; /* user-defined */ |
2310 | } fmt; |
2311 | }; |
2312 | |
2313 | /* Stream type-dependent parameters |
2314 | */ |
2315 | struct v4l2_streamparm { |
2316 | __u32 type; /* enum v4l2_buf_type */ |
2317 | union { |
2318 | struct v4l2_captureparm capture; |
2319 | struct v4l2_outputparm output; |
2320 | __u8 raw_data[200]; /* user-defined */ |
2321 | } parm; |
2322 | }; |
2323 | |
2324 | /* |
2325 | * E V E N T S |
2326 | */ |
2327 | |
2328 | #define V4L2_EVENT_ALL 0 |
2329 | #define V4L2_EVENT_VSYNC 1 |
2330 | #define V4L2_EVENT_EOS 2 |
2331 | #define V4L2_EVENT_CTRL 3 |
2332 | #define V4L2_EVENT_FRAME_SYNC 4 |
2333 | #define V4L2_EVENT_SOURCE_CHANGE 5 |
2334 | #define V4L2_EVENT_MOTION_DET 6 |
2335 | #define V4L2_EVENT_PRIVATE_START 0x08000000 |
2336 | |
2337 | /* Payload for V4L2_EVENT_VSYNC */ |
2338 | struct v4l2_event_vsync { |
2339 | /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ |
2340 | __u8 field; |
2341 | } __attribute__ ((packed)); |
2342 | |
2343 | /* Payload for V4L2_EVENT_CTRL */ |
2344 | #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) |
2345 | #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) |
2346 | #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) |
2347 | |
2348 | struct v4l2_event_ctrl { |
2349 | __u32 changes; |
2350 | __u32 type; |
2351 | union { |
2352 | __s32 value; |
2353 | __s64 value64; |
2354 | }; |
2355 | __u32 flags; |
2356 | __s32 minimum; |
2357 | __s32 maximum; |
2358 | __s32 step; |
2359 | __s32 default_value; |
2360 | }; |
2361 | |
2362 | struct v4l2_event_frame_sync { |
2363 | __u32 frame_sequence; |
2364 | }; |
2365 | |
2366 | #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) |
2367 | |
2368 | struct v4l2_event_src_change { |
2369 | __u32 changes; |
2370 | }; |
2371 | |
2372 | #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) |
2373 | |
2374 | /** |
2375 | * struct v4l2_event_motion_det - motion detection event |
2376 | * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the |
2377 | * frame_sequence field is valid. |
2378 | * @frame_sequence: the frame sequence number associated with this event. |
2379 | * @region_mask: which regions detected motion. |
2380 | */ |
2381 | struct v4l2_event_motion_det { |
2382 | __u32 flags; |
2383 | __u32 frame_sequence; |
2384 | __u32 region_mask; |
2385 | }; |
2386 | |
2387 | struct v4l2_event { |
2388 | __u32 type; |
2389 | union { |
2390 | struct v4l2_event_vsync vsync; |
2391 | struct v4l2_event_ctrl ctrl; |
2392 | struct v4l2_event_frame_sync frame_sync; |
2393 | struct v4l2_event_src_change src_change; |
2394 | struct v4l2_event_motion_det motion_det; |
2395 | __u8 data[64]; |
2396 | } u; |
2397 | __u32 pending; |
2398 | __u32 sequence; |
2399 | struct timespec timestamp; |
2400 | __u32 id; |
2401 | __u32 reserved[8]; |
2402 | }; |
2403 | |
2404 | #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) |
2405 | #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) |
2406 | |
2407 | struct v4l2_event_subscription { |
2408 | __u32 type; |
2409 | __u32 id; |
2410 | __u32 flags; |
2411 | __u32 reserved[5]; |
2412 | }; |
2413 | |
2414 | /* |
2415 | * A D V A N C E D D E B U G G I N G |
2416 | * |
2417 | * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! |
2418 | * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! |
2419 | */ |
2420 | |
2421 | /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ |
2422 | |
2423 | #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ |
2424 | #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ |
2425 | |
2426 | /* The following four defines are no longer in use */ |
2427 | #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE |
2428 | #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ |
2429 | #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ |
2430 | #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ |
2431 | |
2432 | struct v4l2_dbg_match { |
2433 | __u32 type; /* Match type */ |
2434 | union { /* Match this chip, meaning determined by type */ |
2435 | __u32 addr; |
2436 | char name[32]; |
2437 | }; |
2438 | } __attribute__ ((packed)); |
2439 | |
2440 | struct v4l2_dbg_register { |
2441 | struct v4l2_dbg_match match; |
2442 | __u32 size; /* register size in bytes */ |
2443 | __u64 reg; |
2444 | __u64 val; |
2445 | } __attribute__ ((packed)); |
2446 | |
2447 | #define V4L2_CHIP_FL_READABLE (1 << 0) |
2448 | #define V4L2_CHIP_FL_WRITABLE (1 << 1) |
2449 | |
2450 | /* VIDIOC_DBG_G_CHIP_INFO */ |
2451 | struct v4l2_dbg_chip_info { |
2452 | struct v4l2_dbg_match match; |
2453 | char name[32]; |
2454 | __u32 flags; |
2455 | __u32 reserved[32]; |
2456 | } __attribute__ ((packed)); |
2457 | |
2458 | /** |
2459 | * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument |
2460 | * @index: on return, index of the first created buffer |
2461 | * @count: entry: number of requested buffers, |
2462 | * return: number of created buffers |
2463 | * @memory: enum v4l2_memory; buffer memory type |
2464 | * @format: frame format, for which buffers are requested |
2465 | * @capabilities: capabilities of this buffer type. |
2466 | * @reserved: future extensions |
2467 | */ |
2468 | struct v4l2_create_buffers { |
2469 | __u32 index; |
2470 | __u32 count; |
2471 | __u32 memory; |
2472 | struct v4l2_format format; |
2473 | __u32 capabilities; |
2474 | __u32 reserved[7]; |
2475 | }; |
2476 | |
2477 | /* |
2478 | * 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 |
2479 | * |
2480 | */ |
2481 | #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) |
2482 | #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) |
2483 | #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) |
2484 | #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) |
2485 | #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) |
2486 | #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) |
2487 | #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) |
2488 | #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) |
2489 | #define VIDIOC_OVERLAY _IOW('V', 14, int) |
2490 | #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) |
2491 | #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) |
2492 | #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) |
2493 | #define VIDIOC_STREAMON _IOW('V', 18, int) |
2494 | #define VIDIOC_STREAMOFF _IOW('V', 19, int) |
2495 | #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) |
2496 | #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) |
2497 | #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) |
2498 | #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) |
2499 | #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) |
2500 | #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) |
2501 | #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) |
2502 | #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) |
2503 | #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) |
2504 | #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) |
2505 | #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) |
2506 | #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) |
2507 | #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) |
2508 | #define _IOWR('V', 37, struct v4l2_querymenu) |
2509 | #define VIDIOC_G_INPUT _IOR('V', 38, int) |
2510 | #define VIDIOC_S_INPUT _IOWR('V', 39, int) |
2511 | #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) |
2512 | #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) |
2513 | #define VIDIOC_G_OUTPUT _IOR('V', 46, int) |
2514 | #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) |
2515 | #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) |
2516 | #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) |
2517 | #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) |
2518 | #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) |
2519 | #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) |
2520 | #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) |
2521 | #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) |
2522 | #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) |
2523 | #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) |
2524 | #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) |
2525 | #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) |
2526 | #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) |
2527 | #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) |
2528 | #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) |
2529 | #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) |
2530 | #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) |
2531 | #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ |
2532 | #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ |
2533 | #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) |
2534 | #define VIDIOC_LOG_STATUS _IO('V', 70) |
2535 | #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) |
2536 | #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) |
2537 | #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) |
2538 | #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) |
2539 | #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) |
2540 | #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) |
2541 | #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) |
2542 | #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) |
2543 | |
2544 | /* |
2545 | * Experimental, meant for debugging, testing and internal use. |
2546 | * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. |
2547 | * You must be root to use these ioctls. Never use these in applications! |
2548 | */ |
2549 | #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) |
2550 | #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) |
2551 | |
2552 | #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) |
2553 | #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) |
2554 | #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) |
2555 | #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) |
2556 | #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) |
2557 | #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) |
2558 | #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) |
2559 | #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) |
2560 | #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) |
2561 | #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) |
2562 | #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) |
2563 | #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) |
2564 | #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) |
2565 | #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) |
2566 | #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) |
2567 | #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) |
2568 | |
2569 | /* |
2570 | * Experimental, meant for debugging, testing and internal use. |
2571 | * Never use this in applications! |
2572 | */ |
2573 | #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) |
2574 | |
2575 | #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) |
2576 | |
2577 | /* Reminder: when adding new ioctls please add support for them to |
2578 | drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ |
2579 | |
2580 | #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ |
2581 | |
2582 | #endif /* __LINUX_VIDEODEV2_H */ |
2583 | |