• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /*
3  *  Video for Linux Two header file
4  *
5  *  Copyright (C) 1999-2012 the contributors
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; either version 2 of the License, or
10  *  (at your option) any later version.
11  *
12  *  This program is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *  GNU General Public License for more details.
16  *
17  *  Alternatively you can redistribute this file under the terms of the
18  *  BSD license as stated below:
19  *
20  *  Redistribution and use in source and binary forms, with or without
21  *  modification, are permitted provided that the following conditions
22  *  are met:
23  *  1. Redistributions of source code must retain the above copyright
24  *     notice, this list of conditions and the following disclaimer.
25  *  2. Redistributions in binary form must reproduce the above copyright
26  *     notice, this list of conditions and the following disclaimer in
27  *     the documentation and/or other materials provided with the
28  *     distribution.
29  *  3. The names of its contributors may not be used to endorse or promote
30  *     products derived from this software without specific prior written
31  *     permission.
32  *
33  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
36  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
39  *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
40  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
41  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
42  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
43  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44  *
45  *	Header file for v4l or V4L2 drivers and applications
46  * with public API.
47  * All kernel-specific stuff were moved to media/v4l2-dev.h, so
48  * no #if __KERNEL tests are allowed here
49  *
50  *	See https://linuxtv.org for more info
51  *
52  *	Author: Bill Dirks <bill@thedirks.org>
53  *		Justin Schoeman
54  *              Hans Verkuil <hverkuil@xs4all.nl>
55  *		et al.
56  */
57 #ifndef _UAPI__LINUX_VIDEODEV2_H
58 #define _UAPI__LINUX_VIDEODEV2_H
59 
60 #ifndef __KERNEL__
61 #include <sys/time.h>
62 #endif
63 #include <linux/compiler.h>
64 #include <linux/ioctl.h>
65 #include <linux/types.h>
66 #include <linux/v4l2-common.h>
67 #include <linux/v4l2-controls.h>
68 
69 /*
70  * Common stuff for both V4L1 and V4L2
71  * Moved from videodev.h
72  */
73 #define VIDEO_MAX_FRAME               64
74 #define VIDEO_MAX_PLANES               8
75 
76 /*
77  *	M I S C E L L A N E O U S
78  */
79 
80 /*  Four-character-code (FOURCC) */
81 #define v4l2_fourcc(a, b, c, d)\
82 	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
83 #define v4l2_fourcc_be(a, b, c, d)	(v4l2_fourcc(a, b, c, d) | (1U << 31))
84 
85 /*
86  *	E N U M S
87  */
88 enum v4l2_field {
89 	V4L2_FIELD_ANY           = 0, /* driver can choose from none,
90 					 top, bottom, interlaced
91 					 depending on whatever it thinks
92 					 is approximate ... */
93 	V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
94 	V4L2_FIELD_TOP           = 2, /* top field only */
95 	V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
96 	V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
97 	V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
98 					 buffer, top-bottom order */
99 	V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
100 	V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
101 					 separate buffers */
102 	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
103 					 first and the top field is
104 					 transmitted first */
105 	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
106 					 first and the bottom field is
107 					 transmitted first */
108 };
109 #define V4L2_FIELD_HAS_TOP(field)	\
110 	((field) == V4L2_FIELD_TOP	||\
111 	 (field) == V4L2_FIELD_INTERLACED ||\
112 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
113 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
114 	 (field) == V4L2_FIELD_SEQ_TB	||\
115 	 (field) == V4L2_FIELD_SEQ_BT)
116 #define V4L2_FIELD_HAS_BOTTOM(field)	\
117 	((field) == V4L2_FIELD_BOTTOM	||\
118 	 (field) == V4L2_FIELD_INTERLACED ||\
119 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
120 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
121 	 (field) == V4L2_FIELD_SEQ_TB	||\
122 	 (field) == V4L2_FIELD_SEQ_BT)
123 #define V4L2_FIELD_HAS_BOTH(field)	\
124 	((field) == V4L2_FIELD_INTERLACED ||\
125 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
126 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
127 	 (field) == V4L2_FIELD_SEQ_TB ||\
128 	 (field) == V4L2_FIELD_SEQ_BT)
129 #define V4L2_FIELD_HAS_T_OR_B(field)	\
130 	((field) == V4L2_FIELD_BOTTOM ||\
131 	 (field) == V4L2_FIELD_TOP ||\
132 	 (field) == V4L2_FIELD_ALTERNATE)
133 #define V4L2_FIELD_IS_INTERLACED(field) \
134 	((field) == V4L2_FIELD_INTERLACED ||\
135 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
136 	 (field) == V4L2_FIELD_INTERLACED_BT)
137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
138 	((field) == V4L2_FIELD_SEQ_TB ||\
139 	 (field) == V4L2_FIELD_SEQ_BT)
140 
141 enum v4l2_buf_type {
142 	V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
143 	V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
144 	V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
145 	V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
146 	V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
147 	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
148 	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
149 	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
150 	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
151 	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
152 	V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
153 	V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
154 	V4L2_BUF_TYPE_META_CAPTURE         = 13,
155 	V4L2_BUF_TYPE_META_OUTPUT	   = 14,
156 	/* Deprecated, do not use */
157 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
158 };
159 
160 #define V4L2_TYPE_IS_MULTIPLANAR(type)			\
161 	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	\
162 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
163 
164 #define V4L2_TYPE_IS_OUTPUT(type)				\
165 	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
166 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
167 	 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY		\
168 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
169 	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
170 	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT		\
171 	 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT			\
172 	 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
173 
174 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
175 
176 enum v4l2_tuner_type {
177 	V4L2_TUNER_RADIO	     = 1,
178 	V4L2_TUNER_ANALOG_TV	     = 2,
179 	V4L2_TUNER_DIGITAL_TV	     = 3,
180 	V4L2_TUNER_SDR               = 4,
181 	V4L2_TUNER_RF                = 5,
182 };
183 
184 /* Deprecated, do not use */
185 #define V4L2_TUNER_ADC  V4L2_TUNER_SDR
186 
187 enum v4l2_memory {
188 	V4L2_MEMORY_MMAP             = 1,
189 	V4L2_MEMORY_USERPTR          = 2,
190 	V4L2_MEMORY_OVERLAY          = 3,
191 	V4L2_MEMORY_DMABUF           = 4,
192 };
193 
194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
195 enum v4l2_colorspace {
196 	/*
197 	 * Default colorspace, i.e. let the driver figure it out.
198 	 * Can only be used with video capture.
199 	 */
200 	V4L2_COLORSPACE_DEFAULT       = 0,
201 
202 	/* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
203 	V4L2_COLORSPACE_SMPTE170M     = 1,
204 
205 	/* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
206 	V4L2_COLORSPACE_SMPTE240M     = 2,
207 
208 	/* Rec.709: used for HDTV */
209 	V4L2_COLORSPACE_REC709        = 3,
210 
211 	/*
212 	 * Deprecated, do not use. No driver will ever return this. This was
213 	 * based on a misunderstanding of the bt878 datasheet.
214 	 */
215 	V4L2_COLORSPACE_BT878         = 4,
216 
217 	/*
218 	 * NTSC 1953 colorspace. This only makes sense when dealing with
219 	 * really, really old NTSC recordings. Superseded by SMPTE 170M.
220 	 */
221 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
222 
223 	/*
224 	 * EBU Tech 3213 PAL/SECAM colorspace.
225 	 */
226 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
227 
228 	/*
229 	 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
230 	 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
231 	 */
232 	V4L2_COLORSPACE_JPEG          = 7,
233 
234 	/* For RGB colorspaces such as produces by most webcams. */
235 	V4L2_COLORSPACE_SRGB          = 8,
236 
237 	/* opRGB colorspace */
238 	V4L2_COLORSPACE_OPRGB         = 9,
239 
240 	/* BT.2020 colorspace, used for UHDTV. */
241 	V4L2_COLORSPACE_BT2020        = 10,
242 
243 	/* Raw colorspace: for RAW unprocessed images */
244 	V4L2_COLORSPACE_RAW           = 11,
245 
246 	/* DCI-P3 colorspace, used by cinema projectors */
247 	V4L2_COLORSPACE_DCI_P3        = 12,
248 
249 #ifdef __KERNEL__
250 	/*
251 	 * Largest supported colorspace value, assigned by the compiler, used
252 	 * by the framework to check for invalid values.
253 	 */
254 	V4L2_COLORSPACE_LAST,
255 #endif
256 };
257 
258 /*
259  * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
260  * This depends on whether this is a SDTV image (use SMPTE 170M), an
261  * HDTV image (use Rec. 709), or something else (use sRGB).
262  */
263 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
264 	((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
265 	 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
266 
267 enum v4l2_xfer_func {
268 	/*
269 	 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
270 	 * for the various colorspaces:
271 	 *
272 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
273 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
274 	 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
275 	 *
276 	 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
277 	 *
278 	 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
279 	 *
280 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
281 	 *
282 	 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
283 	 *
284 	 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
285 	 */
286 	V4L2_XFER_FUNC_DEFAULT     = 0,
287 	V4L2_XFER_FUNC_709         = 1,
288 	V4L2_XFER_FUNC_SRGB        = 2,
289 	V4L2_XFER_FUNC_OPRGB       = 3,
290 	V4L2_XFER_FUNC_SMPTE240M   = 4,
291 	V4L2_XFER_FUNC_NONE        = 5,
292 	V4L2_XFER_FUNC_DCI_P3      = 6,
293 	V4L2_XFER_FUNC_SMPTE2084   = 7,
294 #ifdef __KERNEL__
295 	/*
296 	 * Largest supported transfer function value, assigned by the compiler,
297 	 * used by the framework to check for invalid values.
298 	 */
299 	V4L2_XFER_FUNC_LAST,
300 #endif
301 };
302 
303 /*
304  * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
305  * This depends on the colorspace.
306  */
307 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
308 	((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
309 	 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
310 	  ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
311 	   ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
312 	    ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
313 	     V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
314 
315 enum v4l2_ycbcr_encoding {
316 	/*
317 	 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
318 	 * various colorspaces:
319 	 *
320 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
321 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
322 	 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
323 	 *
324 	 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
325 	 *
326 	 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
327 	 *
328 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
329 	 */
330 	V4L2_YCBCR_ENC_DEFAULT        = 0,
331 
332 	/* ITU-R 601 -- SDTV */
333 	V4L2_YCBCR_ENC_601            = 1,
334 
335 	/* Rec. 709 -- HDTV */
336 	V4L2_YCBCR_ENC_709            = 2,
337 
338 	/* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
339 	V4L2_YCBCR_ENC_XV601          = 3,
340 
341 	/* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
342 	V4L2_YCBCR_ENC_XV709          = 4,
343 
344 #ifndef __KERNEL__
345 	/*
346 	 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
347 	 * originally due to a misunderstanding of the sYCC standard. It should
348 	 * not be used, instead use V4L2_YCBCR_ENC_601.
349 	 */
350 	V4L2_YCBCR_ENC_SYCC           = 5,
351 #endif
352 
353 	/* BT.2020 Non-constant Luminance Y'CbCr */
354 	V4L2_YCBCR_ENC_BT2020         = 6,
355 
356 	/* BT.2020 Constant Luminance Y'CbcCrc */
357 	V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
358 
359 	/* SMPTE 240M -- Obsolete HDTV */
360 	V4L2_YCBCR_ENC_SMPTE240M      = 8,
361 #ifdef __KERNEL__
362 	/*
363 	 * Largest supported encoding value, assigned by the compiler, used by
364 	 * the framework to check for invalid values.
365 	 */
366 	V4L2_YCBCR_ENC_LAST,
367 #endif
368 };
369 
370 /*
371  * enum v4l2_hsv_encoding values should not collide with the ones from
372  * enum v4l2_ycbcr_encoding.
373  */
374 enum v4l2_hsv_encoding {
375 
376 	/* Hue mapped to 0 - 179 */
377 	V4L2_HSV_ENC_180		= 128,
378 
379 	/* Hue mapped to 0-255 */
380 	V4L2_HSV_ENC_256		= 129,
381 };
382 
383 /*
384  * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
385  * This depends on the colorspace.
386  */
387 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
388 	(((colsp) == V4L2_COLORSPACE_REC709 || \
389 	  (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
390 	 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
391 	  ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
392 	   V4L2_YCBCR_ENC_601)))
393 
394 enum v4l2_quantization {
395 	/*
396 	 * The default for R'G'B' quantization is always full range.
397 	 * For Y'CbCr the quantization is always limited range, except
398 	 * for COLORSPACE_JPEG: this is full range.
399 	 */
400 	V4L2_QUANTIZATION_DEFAULT     = 0,
401 	V4L2_QUANTIZATION_FULL_RANGE  = 1,
402 	V4L2_QUANTIZATION_LIM_RANGE   = 2,
403 };
404 
405 /*
406  * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
407  * This depends on whether the image is RGB or not, the colorspace.
408  * The Y'CbCr encoding is not used anymore, but is still there for backwards
409  * compatibility.
410  */
411 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
412 	(((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
413 	 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
414 
415 /*
416  * Deprecated names for opRGB colorspace (IEC 61966-2-5)
417  *
418  * WARNING: Please don't use these deprecated defines in your code, as
419  * there is a chance we have to remove them in the future.
420  */
421 #ifndef __KERNEL__
422 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
423 #define V4L2_XFER_FUNC_ADOBERGB  V4L2_XFER_FUNC_OPRGB
424 #endif
425 
426 enum v4l2_priority {
427 	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
428 	V4L2_PRIORITY_BACKGROUND  = 1,
429 	V4L2_PRIORITY_INTERACTIVE = 2,
430 	V4L2_PRIORITY_RECORD      = 3,
431 	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
432 };
433 
434 struct v4l2_rect {
435 	__s32   left;
436 	__s32   top;
437 	__u32   width;
438 	__u32   height;
439 };
440 
441 struct v4l2_fract {
442 	__u32   numerator;
443 	__u32   denominator;
444 };
445 
446 struct v4l2_area {
447 	__u32   width;
448 	__u32   height;
449 };
450 
451 /**
452   * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
453   *
454   * @driver:	   name of the driver module (e.g. "bttv")
455   * @card:	   name of the card (e.g. "Hauppauge WinTV")
456   * @bus_info:	   name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
457   * @version:	   KERNEL_VERSION
458   * @capabilities: capabilities of the physical device as a whole
459   * @device_caps:  capabilities accessed via this particular device (node)
460   * @reserved:	   reserved fields for future extensions
461   */
462 struct v4l2_capability {
463 	__u8	driver[16];
464 	__u8	card[32];
465 	__u8	bus_info[32];
466 	__u32   version;
467 	__u32	capabilities;
468 	__u32	device_caps;
469 	__u32	reserved[3];
470 };
471 
472 /* Values for 'capabilities' field */
473 #define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
474 #define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
475 #define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
476 #define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
477 #define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
478 #define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
479 #define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
480 #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
481 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
482 #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
483 #define V4L2_CAP_RDS_OUTPUT		0x00000800  /* Is an RDS encoder */
484 
485 /* Is a video capture device that supports multiplanar formats */
486 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE	0x00001000
487 /* Is a video output device that supports multiplanar formats */
488 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE	0x00002000
489 /* Is a video mem-to-mem device that supports multiplanar formats */
490 #define V4L2_CAP_VIDEO_M2M_MPLANE	0x00004000
491 /* Is a video mem-to-mem device */
492 #define V4L2_CAP_VIDEO_M2M		0x00008000
493 
494 #define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
495 #define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
496 #define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
497 #define V4L2_CAP_MODULATOR		0x00080000  /* has a modulator */
498 
499 #define V4L2_CAP_SDR_CAPTURE		0x00100000  /* Is a SDR capture device */
500 #define V4L2_CAP_EXT_PIX_FORMAT		0x00200000  /* Supports the extended pixel format */
501 #define V4L2_CAP_SDR_OUTPUT		0x00400000  /* Is a SDR output device */
502 #define V4L2_CAP_META_CAPTURE		0x00800000  /* Is a metadata capture device */
503 
504 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
505 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
506 #define V4L2_CAP_META_OUTPUT		0x08000000  /* Is a metadata output device */
507 
508 #define V4L2_CAP_TOUCH                  0x10000000  /* Is a touch device */
509 
510 #define V4L2_CAP_IO_MC			0x20000000  /* Is input/output controlled by the media controller */
511 
512 #define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
513 
514 /*
515  *	V I D E O   I M A G E   F O R M A T
516  */
517 struct v4l2_pix_format {
518 	__u32			width;
519 	__u32			height;
520 	__u32			pixelformat;
521 	__u32			field;		/* enum v4l2_field */
522 	__u32			bytesperline;	/* for padding, zero if unused */
523 	__u32			sizeimage;
524 	__u32			colorspace;	/* enum v4l2_colorspace */
525 	__u32			priv;		/* private data, depends on pixelformat */
526 	__u32			flags;		/* format flags (V4L2_PIX_FMT_FLAG_*) */
527 	union {
528 		/* enum v4l2_ycbcr_encoding */
529 		__u32			ycbcr_enc;
530 		/* enum v4l2_hsv_encoding */
531 		__u32			hsv_enc;
532 	};
533 	__u32			quantization;	/* enum v4l2_quantization */
534 	__u32			xfer_func;	/* enum v4l2_xfer_func */
535 };
536 
537 /*      Pixel format         FOURCC                          depth  Description  */
538 
539 /* RGB formats (1 or 2 bytes per pixel) */
540 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
541 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
542 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  aaaarrrr ggggbbbb */
543 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16  xxxxrrrr ggggbbbb */
544 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16  rrrrgggg bbbbaaaa */
545 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16  rrrrgggg bbbbxxxx */
546 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16  aaaabbbb ggggrrrr */
547 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16  xxxxbbbb ggggrrrr */
548 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16  bbbbgggg rrrraaaa */
549 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16  bbbbgggg rrrrxxxx */
550 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
551 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */
552 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  XRGB-1-5-5-5  */
553 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16  RGBA-5-5-5-1  */
554 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16  RGBX-5-5-5-1  */
555 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16  ABGR-1-5-5-5  */
556 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16  XBGR-1-5-5-5  */
557 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16  BGRA-5-5-5-1  */
558 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16  BGRX-5-5-5-1  */
559 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
560 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
561 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16  ARGB-5-5-5 BE */
562 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16  XRGB-5-5-5 BE */
563 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
564 
565 /* RGB formats (3 or 4 bytes per pixel) */
566 #define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6	  */
567 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
568 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
569 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
570 #define V4L2_PIX_FMT_ABGR32  v4l2_fourcc('A', 'R', '2', '4') /* 32  BGRA-8-8-8-8  */
571 #define V4L2_PIX_FMT_XBGR32  v4l2_fourcc('X', 'R', '2', '4') /* 32  BGRX-8-8-8-8  */
572 #define V4L2_PIX_FMT_BGRA32  v4l2_fourcc('R', 'A', '2', '4') /* 32  ABGR-8-8-8-8  */
573 #define V4L2_PIX_FMT_BGRX32  v4l2_fourcc('R', 'X', '2', '4') /* 32  XBGR-8-8-8-8  */
574 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
575 #define V4L2_PIX_FMT_RGBA32  v4l2_fourcc('A', 'B', '2', '4') /* 32  RGBA-8-8-8-8  */
576 #define V4L2_PIX_FMT_RGBX32  v4l2_fourcc('X', 'B', '2', '4') /* 32  RGBX-8-8-8-8  */
577 #define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
578 #define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
579 
580 /* Grey formats */
581 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
582 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
583 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
584 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
585 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
586 #define V4L2_PIX_FMT_Y14     v4l2_fourcc('Y', '1', '4', ' ') /* 14  Greyscale     */
587 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
588 #define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
589 
590 /* Grey bit-packed formats */
591 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
592 #define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '0', 'P') /* 10  Greyscale, MIPI RAW10 packed */
593 #define V4L2_PIX_FMT_IPU3_Y10		v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
594 
595 /* Palette formats */
596 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
597 
598 /* Chrominance formats */
599 #define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
600 
601 /* Luminance+Chrominance formats */
602 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
603 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
604 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
605 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
606 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
607 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
608 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
609 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
610 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
611 #define V4L2_PIX_FMT_YUV24   v4l2_fourcc('Y', 'U', 'V', '3') /* 24  YUV-8-8-8     */
612 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
613 #define V4L2_PIX_FMT_AYUV32  v4l2_fourcc('A', 'Y', 'U', 'V') /* 32  AYUV-8-8-8-8  */
614 #define V4L2_PIX_FMT_XYUV32  v4l2_fourcc('X', 'Y', 'U', 'V') /* 32  XYUV-8-8-8-8  */
615 #define V4L2_PIX_FMT_VUYA32  v4l2_fourcc('V', 'U', 'Y', 'A') /* 32  VUYA-8-8-8-8  */
616 #define V4L2_PIX_FMT_VUYX32  v4l2_fourcc('V', 'U', 'Y', 'X') /* 32  VUYX-8-8-8-8  */
617 #define V4L2_PIX_FMT_YUVA32  v4l2_fourcc('Y', 'U', 'V', 'A') /* 32  YUVA-8-8-8-8  */
618 #define V4L2_PIX_FMT_YUVX32  v4l2_fourcc('Y', 'U', 'V', 'X') /* 32  YUVX-8-8-8-8  */
619 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
620 
621 /* two planes -- one Y, one Cr + Cb interleaved  */
622 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
623 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
624 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
625 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
626 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
627 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
628 #define V4L2_PIX_FMT_P010    v4l2_fourcc('P', '0', '1', '0') /* 24  Y/CbCr 4:2:0 10-bit per component */
629 
630 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
631 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
632 #define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
633 #define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
634 #define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
635 
636 /* three planes - Y Cb, Cr */
637 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
638 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
639 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
640 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
641 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
642 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
643 
644 /* three non contiguous planes - Y, Cb, Cr */
645 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
646 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
647 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
648 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
649 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
650 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
651 
652 /* Tiled YUV formats */
653 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2')   /* 12  Y/CbCr 4:2:0  4x4 tiles */
654 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
655 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12  Y/CbCr 4:2:0 32x32 tiles */
656 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12  Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
657 #define V4L2_PIX_FMT_NV12_8L128       v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
658 #define V4L2_PIX_FMT_NV12_10BE_8L128  v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
659 
660 /* Tiled YUV formats, non contiguous planes */
661 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 tiles */
662 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
663 #define V4L2_PIX_FMT_NV12M_8L128      v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
664 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
665 
666 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
667 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
668 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
669 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
670 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
671 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
672 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
673 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
674 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
675 	/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
676 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
677 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
678 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
679 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
680 	/* 10bit raw bayer a-law compressed to 8 bits */
681 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
682 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
683 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
684 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
685 	/* 10bit raw bayer DPCM compressed to 8 bits */
686 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
687 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
688 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
689 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
690 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
691 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
692 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
693 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
694 	/* 12bit raw bayer packed, 6 bytes for every 4 pixels */
695 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
696 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
697 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
698 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
699 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14  BGBG.. GRGR.. */
700 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14  GBGB.. RGRG.. */
701 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14  GRGR.. BGBG.. */
702 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14  RGRG.. GBGB.. */
703 	/* 14bit raw bayer packed, 7 bytes for every 4 pixels */
704 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
705 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
706 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
707 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
708 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
709 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
710 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
711 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
712 
713 /* HSV formats */
714 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
715 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
716 
717 /* compressed formats */
718 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
719 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
720 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
721 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
722 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
723 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
724 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
725 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
726 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
727 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
728 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
729 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
730 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
731 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
732 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
733 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
734 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
735 #define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
736 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
737 #define V4L2_PIX_FMT_HEVC     v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
738 #define V4L2_PIX_FMT_FWHT     v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
739 #define V4L2_PIX_FMT_FWHT_STATELESS     v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
740 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
741 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
742 
743 /*  Vendor-specific formats   */
744 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
745 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
746 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
747 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
748 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
749 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
750 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
751 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
752 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
753 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
754 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
755 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
756 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
757 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
758 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
759 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
760 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
761 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
762 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
763 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
764 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
765 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
766 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
767 #define V4L2_PIX_FMT_JPGL	v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
768 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
769 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
770 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
771 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
772 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
773 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
774 #define V4L2_PIX_FMT_MM21     v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
775 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
776 #define V4L2_PIX_FMT_CNF4     v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
777 #define V4L2_PIX_FMT_HI240    v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
778 #define V4L2_PIX_FMT_QC08C    v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
779 #define V4L2_PIX_FMT_QC10C    v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
780 #define V4L2_PIX_FMT_AJPG     v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
781 
782 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
783 #define V4L2_PIX_FMT_IPU3_SBGGR10	v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
784 #define V4L2_PIX_FMT_IPU3_SGBRG10	v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
785 #define V4L2_PIX_FMT_IPU3_SGRBG10	v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
786 #define V4L2_PIX_FMT_IPU3_SRGGB10	v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
787 
788 /* SDR formats - used only for Software Defined Radio devices */
789 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
790 #define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
791 #define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
792 #define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
793 #define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
794 #define V4L2_SDR_FMT_PCU16BE	  v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
795 #define V4L2_SDR_FMT_PCU18BE	  v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
796 #define V4L2_SDR_FMT_PCU20BE	  v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
797 
798 /* Touch formats - used for Touch devices */
799 #define V4L2_TCH_FMT_DELTA_TD16	v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
800 #define V4L2_TCH_FMT_DELTA_TD08	v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
801 #define V4L2_TCH_FMT_TU16	v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
802 #define V4L2_TCH_FMT_TU08	v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
803 
804 /* Meta-data formats */
805 #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
806 #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
807 #define V4L2_META_FMT_UVC         v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
808 #define V4L2_META_FMT_D4XX        v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
809 #define V4L2_META_FMT_VIVID	  v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
810 
811 /* Vendor specific - used for RK_ISP1 camera sub-system */
812 #define V4L2_META_FMT_RK_ISP1_PARAMS	v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
813 #define V4L2_META_FMT_RK_ISP1_STAT_3A	v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
814 
815 /* priv field value to indicates that subsequent fields are valid. */
816 #define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe
817 
818 /* Flags */
819 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA	0x00000001
820 #define V4L2_PIX_FMT_FLAG_SET_CSC	0x00000002
821 
822 /*
823  *	F O R M A T   E N U M E R A T I O N
824  */
825 struct v4l2_fmtdesc {
826 	__u32		    index;             /* Format number      */
827 	__u32		    type;              /* enum v4l2_buf_type */
828 	__u32               flags;
829 	__u8		    description[32];   /* Description string */
830 	__u32		    pixelformat;       /* Format fourcc      */
831 	__u32		    mbus_code;		/* Media bus code    */
832 	__u32		    reserved[3];
833 };
834 
835 #define V4L2_FMT_FLAG_COMPRESSED		0x0001
836 #define V4L2_FMT_FLAG_EMULATED			0x0002
837 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM	0x0004
838 #define V4L2_FMT_FLAG_DYN_RESOLUTION		0x0008
839 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL	0x0010
840 #define V4L2_FMT_FLAG_CSC_COLORSPACE		0x0020
841 #define V4L2_FMT_FLAG_CSC_XFER_FUNC		0x0040
842 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC		0x0080
843 #define V4L2_FMT_FLAG_CSC_HSV_ENC		V4L2_FMT_FLAG_CSC_YCBCR_ENC
844 #define V4L2_FMT_FLAG_CSC_QUANTIZATION		0x0100
845 
846 	/* Frame Size and frame rate enumeration */
847 /*
848  *	F R A M E   S I Z E   E N U M E R A T I O N
849  */
850 enum v4l2_frmsizetypes {
851 	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
852 	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
853 	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
854 };
855 
856 struct v4l2_frmsize_discrete {
857 	__u32			width;		/* Frame width [pixel] */
858 	__u32			height;		/* Frame height [pixel] */
859 };
860 
861 struct v4l2_frmsize_stepwise {
862 	__u32			min_width;	/* Minimum frame width [pixel] */
863 	__u32			max_width;	/* Maximum frame width [pixel] */
864 	__u32			step_width;	/* Frame width step size [pixel] */
865 	__u32			min_height;	/* Minimum frame height [pixel] */
866 	__u32			max_height;	/* Maximum frame height [pixel] */
867 	__u32			step_height;	/* Frame height step size [pixel] */
868 };
869 
870 struct v4l2_frmsizeenum {
871 	__u32			index;		/* Frame size number */
872 	__u32			pixel_format;	/* Pixel format */
873 	__u32			type;		/* Frame size type the device supports. */
874 
875 	union {					/* Frame size */
876 		struct v4l2_frmsize_discrete	discrete;
877 		struct v4l2_frmsize_stepwise	stepwise;
878 	};
879 
880 	__u32   reserved[2];			/* Reserved space for future use */
881 };
882 
883 /*
884  *	F R A M E   R A T E   E N U M E R A T I O N
885  */
886 enum v4l2_frmivaltypes {
887 	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
888 	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
889 	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
890 };
891 
892 struct v4l2_frmival_stepwise {
893 	struct v4l2_fract	min;		/* Minimum frame interval [s] */
894 	struct v4l2_fract	max;		/* Maximum frame interval [s] */
895 	struct v4l2_fract	step;		/* Frame interval step size [s] */
896 };
897 
898 struct v4l2_frmivalenum {
899 	__u32			index;		/* Frame format index */
900 	__u32			pixel_format;	/* Pixel format */
901 	__u32			width;		/* Frame width */
902 	__u32			height;		/* Frame height */
903 	__u32			type;		/* Frame interval type the device supports. */
904 
905 	union {					/* Frame interval */
906 		struct v4l2_fract		discrete;
907 		struct v4l2_frmival_stepwise	stepwise;
908 	};
909 
910 	__u32	reserved[2];			/* Reserved space for future use */
911 };
912 
913 /*
914  *	T I M E C O D E
915  */
916 struct v4l2_timecode {
917 	__u32	type;
918 	__u32	flags;
919 	__u8	frames;
920 	__u8	seconds;
921 	__u8	minutes;
922 	__u8	hours;
923 	__u8	userbits[4];
924 };
925 
926 /*  Type  */
927 #define V4L2_TC_TYPE_24FPS		1
928 #define V4L2_TC_TYPE_25FPS		2
929 #define V4L2_TC_TYPE_30FPS		3
930 #define V4L2_TC_TYPE_50FPS		4
931 #define V4L2_TC_TYPE_60FPS		5
932 
933 /*  Flags  */
934 #define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
935 #define V4L2_TC_FLAG_COLORFRAME		0x0002
936 #define V4L2_TC_USERBITS_field		0x000C
937 #define V4L2_TC_USERBITS_USERDEFINED	0x0000
938 #define V4L2_TC_USERBITS_8BITCHARS	0x0008
939 /* The above is based on SMPTE timecodes */
940 
941 struct v4l2_jpegcompression {
942 	int quality;
943 
944 	int  APPn;              /* Number of APP segment to be written,
945 				 * must be 0..15 */
946 	int  APP_len;           /* Length of data in JPEG APPn segment */
947 	char APP_data[60];      /* Data in the JPEG APPn segment. */
948 
949 	int  COM_len;           /* Length of data in JPEG COM segment */
950 	char COM_data[60];      /* Data in JPEG COM segment */
951 
952 	__u32 jpeg_markers;     /* Which markers should go into the JPEG
953 				 * output. Unless you exactly know what
954 				 * you do, leave them untouched.
955 				 * Including less markers will make the
956 				 * resulting code smaller, but there will
957 				 * be fewer applications which can read it.
958 				 * The presence of the APP and COM marker
959 				 * is influenced by APP_len and COM_len
960 				 * ONLY, not by this property! */
961 
962 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
963 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
964 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
965 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
966 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
967 					* always use APP0 */
968 };
969 
970 /*
971  *	M E M O R Y - M A P P I N G   B U F F E R S
972  */
973 
974 #ifdef __KERNEL__
975 /*
976  * This corresponds to the user space version of timeval
977  * for 64-bit time_t. sparc64 is different from everyone
978  * else, using the microseconds in the wrong half of the
979  * second 64-bit word.
980  */
981 struct __kernel_v4l2_timeval {
982 	long long	tv_sec;
983 #if defined(__sparc__) && defined(__arch64__)
984 	int		tv_usec;
985 	int		__pad;
986 #else
987 	long long	tv_usec;
988 #endif
989 };
990 #endif
991 
992 struct v4l2_requestbuffers {
993 	__u32			count;
994 	__u32			type;		/* enum v4l2_buf_type */
995 	__u32			memory;		/* enum v4l2_memory */
996 	__u32			capabilities;
997 	__u8			flags;
998 	__u8			reserved[3];
999 };
1000 
1001 #define V4L2_MEMORY_FLAG_NON_COHERENT			(1 << 0)
1002 
1003 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1004 #define V4L2_BUF_CAP_SUPPORTS_MMAP			(1 << 0)
1005 #define V4L2_BUF_CAP_SUPPORTS_USERPTR			(1 << 1)
1006 #define V4L2_BUF_CAP_SUPPORTS_DMABUF			(1 << 2)
1007 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS			(1 << 3)
1008 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS		(1 << 4)
1009 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF	(1 << 5)
1010 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS		(1 << 6)
1011 
1012 /**
1013  * struct v4l2_plane - plane info for multi-planar buffers
1014  * @bytesused:		number of bytes occupied by data in the plane (payload)
1015  * @length:		size of this plane (NOT the payload) in bytes
1016  * @mem_offset:		when memory in the associated struct v4l2_buffer is
1017  *			V4L2_MEMORY_MMAP, equals the offset from the start of
1018  *			the device memory for this plane (or is a "cookie" that
1019  *			should be passed to mmap() called on the video node)
1020  * @userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1021  *			pointing to this plane
1022  * @fd:			when memory is V4L2_MEMORY_DMABUF, a userspace file
1023  *			descriptor associated with this plane
1024  * @m:			union of @mem_offset, @userptr and @fd
1025  * @data_offset:	offset in the plane to the start of data; usually 0,
1026  *			unless there is a header in front of the data
1027  * @reserved:		drivers and applications must zero this array
1028  *
1029  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1030  * with two planes can have one plane for Y, and another for interleaved CbCr
1031  * components. Each plane can reside in a separate memory buffer, or even in
1032  * a completely separate memory node (e.g. in embedded devices).
1033  */
1034 struct v4l2_plane {
1035 	__u32			bytesused;
1036 	__u32			length;
1037 	union {
1038 		__u32		mem_offset;
1039 		unsigned long	userptr;
1040 		__s32		fd;
1041 	} m;
1042 	__u32			data_offset;
1043 	__u32			reserved[11];
1044 };
1045 
1046 /**
1047  * struct v4l2_buffer - video buffer info
1048  * @index:	id number of the buffer
1049  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
1050  *		multiplanar buffers);
1051  * @bytesused:	number of bytes occupied by data in the buffer (payload);
1052  *		unused (set to 0) for multiplanar buffers
1053  * @flags:	buffer informational flags
1054  * @field:	enum v4l2_field; field order of the image in the buffer
1055  * @timestamp:	frame timestamp
1056  * @timecode:	frame timecode
1057  * @sequence:	sequence count of this frame
1058  * @memory:	enum v4l2_memory; the method, in which the actual video data is
1059  *		passed
1060  * @offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1061  *		offset from the start of the device memory for this plane,
1062  *		(or a "cookie" that should be passed to mmap() as offset)
1063  * @userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1064  *		a userspace pointer pointing to this buffer
1065  * @fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1066  *		a userspace file descriptor associated with this buffer
1067  * @planes:	for multiplanar buffers; userspace pointer to the array of plane
1068  *		info structs for this buffer
1069  * @m:		union of @offset, @userptr, @planes and @fd
1070  * @length:	size in bytes of the buffer (NOT its payload) for single-plane
1071  *		buffers (when type != *_MPLANE); number of elements in the
1072  *		planes array for multi-plane buffers
1073  * @reserved2:	drivers and applications must zero this field
1074  * @request_fd: fd of the request that this buffer should use
1075  * @reserved:	for backwards compatibility with applications that do not know
1076  *		about @request_fd
1077  *
1078  * Contains data exchanged by application and driver using one of the Streaming
1079  * I/O methods.
1080  */
1081 struct v4l2_buffer {
1082 	__u32			index;
1083 	__u32			type;
1084 	__u32			bytesused;
1085 	__u32			flags;
1086 	__u32			field;
1087 #ifdef __KERNEL__
1088 	struct __kernel_v4l2_timeval timestamp;
1089 #else
1090 	struct timeval		timestamp;
1091 #endif
1092 	struct v4l2_timecode	timecode;
1093 	__u32			sequence;
1094 
1095 	/* memory location */
1096 	__u32			memory;
1097 	union {
1098 		__u32           offset;
1099 		unsigned long   userptr;
1100 		struct v4l2_plane *planes;
1101 		__s32		fd;
1102 	} m;
1103 	__u32			length;
1104 	__u32			reserved2;
1105 	union {
1106 		__s32		request_fd;
1107 		__u32		reserved;
1108 	};
1109 };
1110 
1111 #ifndef __KERNEL__
1112 /**
1113  * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1114  * @tv:		pointer to the timeval variable to be converted
1115  *
1116  * Returns the scalar nanosecond representation of the timeval
1117  * parameter.
1118  */
v4l2_timeval_to_ns(const struct timeval * tv)1119 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1120 {
1121 	return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1122 }
1123 #endif
1124 
1125 /*  Flags for 'flags' field */
1126 /* Buffer is mapped (flag) */
1127 #define V4L2_BUF_FLAG_MAPPED			0x00000001
1128 /* Buffer is queued for processing */
1129 #define V4L2_BUF_FLAG_QUEUED			0x00000002
1130 /* Buffer is ready */
1131 #define V4L2_BUF_FLAG_DONE			0x00000004
1132 /* Image is a keyframe (I-frame) */
1133 #define V4L2_BUF_FLAG_KEYFRAME			0x00000008
1134 /* Image is a P-frame */
1135 #define V4L2_BUF_FLAG_PFRAME			0x00000010
1136 /* Image is a B-frame */
1137 #define V4L2_BUF_FLAG_BFRAME			0x00000020
1138 /* Buffer is ready, but the data contained within is corrupted. */
1139 #define V4L2_BUF_FLAG_ERROR			0x00000040
1140 /* Buffer is added to an unqueued request */
1141 #define V4L2_BUF_FLAG_IN_REQUEST		0x00000080
1142 /* timecode field is valid */
1143 #define V4L2_BUF_FLAG_TIMECODE			0x00000100
1144 /* Don't return the capture buffer until OUTPUT timestamp changes */
1145 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF	0x00000200
1146 /* Buffer is prepared for queuing */
1147 #define V4L2_BUF_FLAG_PREPARED			0x00000400
1148 /* Cache handling flags */
1149 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE	0x00000800
1150 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN		0x00001000
1151 /* Timestamp type */
1152 #define V4L2_BUF_FLAG_TIMESTAMP_MASK		0x0000e000
1153 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN		0x00000000
1154 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC	0x00002000
1155 #define V4L2_BUF_FLAG_TIMESTAMP_COPY		0x00004000
1156 /* Timestamp sources. */
1157 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK		0x00070000
1158 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF		0x00000000
1159 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE		0x00010000
1160 /* mem2mem encoder/decoder */
1161 #define V4L2_BUF_FLAG_LAST			0x00100000
1162 /* request_fd is valid */
1163 #define V4L2_BUF_FLAG_REQUEST_FD		0x00800000
1164 
1165 /**
1166  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1167  *
1168  * @index:	id number of the buffer
1169  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
1170  *		multiplanar buffers);
1171  * @plane:	index of the plane to be exported, 0 for single plane queues
1172  * @flags:	flags for newly created file, currently only O_CLOEXEC is
1173  *		supported, refer to manual of open syscall for more details
1174  * @fd:		file descriptor associated with DMABUF (set by driver)
1175  * @reserved:	drivers and applications must zero this array
1176  *
1177  * Contains data used for exporting a video buffer as DMABUF file descriptor.
1178  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1179  * (identical to the cookie used to mmap() the buffer to userspace). All
1180  * reserved fields must be set to zero. The field reserved0 is expected to
1181  * become a structure 'type' allowing an alternative layout of the structure
1182  * content. Therefore this field should not be used for any other extensions.
1183  */
1184 struct v4l2_exportbuffer {
1185 	__u32		type; /* enum v4l2_buf_type */
1186 	__u32		index;
1187 	__u32		plane;
1188 	__u32		flags;
1189 	__s32		fd;
1190 	__u32		reserved[11];
1191 };
1192 
1193 /*
1194  *	O V E R L A Y   P R E V I E W
1195  */
1196 struct v4l2_framebuffer {
1197 	__u32			capability;
1198 	__u32			flags;
1199 /* FIXME: in theory we should pass something like PCI device + memory
1200  * region + offset instead of some physical address */
1201 	void                    *base;
1202 	struct {
1203 		__u32		width;
1204 		__u32		height;
1205 		__u32		pixelformat;
1206 		__u32		field;		/* enum v4l2_field */
1207 		__u32		bytesperline;	/* for padding, zero if unused */
1208 		__u32		sizeimage;
1209 		__u32		colorspace;	/* enum v4l2_colorspace */
1210 		__u32		priv;		/* reserved field, set to 0 */
1211 	} fmt;
1212 };
1213 /*  Flags for the 'capability' field. Read only */
1214 #define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
1215 #define V4L2_FBUF_CAP_CHROMAKEY		0x0002
1216 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
1217 #define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
1218 #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
1219 #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
1220 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
1221 #define V4L2_FBUF_CAP_SRC_CHROMAKEY	0x0080
1222 /*  Flags for the 'flags' field. */
1223 #define V4L2_FBUF_FLAG_PRIMARY		0x0001
1224 #define V4L2_FBUF_FLAG_OVERLAY		0x0002
1225 #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
1226 #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
1227 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
1228 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
1229 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY	0x0040
1230 
1231 struct v4l2_clip {
1232 	struct v4l2_rect        c;
1233 	struct v4l2_clip	__user *next;
1234 };
1235 
1236 struct v4l2_window {
1237 	struct v4l2_rect        w;
1238 	__u32			field;	 /* enum v4l2_field */
1239 	__u32			chromakey;
1240 	struct v4l2_clip	*clips;
1241 	__u32			clipcount;
1242 	void			__user *bitmap;
1243 	__u8                    global_alpha;
1244 };
1245 
1246 /*
1247  *	C A P T U R E   P A R A M E T E R S
1248  */
1249 struct v4l2_captureparm {
1250 	__u32		   capability;	  /*  Supported modes */
1251 	__u32		   capturemode;	  /*  Current mode */
1252 	struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
1253 	__u32		   extendedmode;  /*  Driver-specific extensions */
1254 	__u32              readbuffers;   /*  # of buffers for read */
1255 	__u32		   reserved[4];
1256 };
1257 
1258 /*  Flags for 'capability' and 'capturemode' fields */
1259 #define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
1260 #define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
1261 
1262 struct v4l2_outputparm {
1263 	__u32		   capability;	 /*  Supported modes */
1264 	__u32		   outputmode;	 /*  Current mode */
1265 	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
1266 	__u32		   extendedmode; /*  Driver-specific extensions */
1267 	__u32              writebuffers; /*  # of buffers for write */
1268 	__u32		   reserved[4];
1269 };
1270 
1271 /*
1272  *	I N P U T   I M A G E   C R O P P I N G
1273  */
1274 struct v4l2_cropcap {
1275 	__u32			type;	/* enum v4l2_buf_type */
1276 	struct v4l2_rect        bounds;
1277 	struct v4l2_rect        defrect;
1278 	struct v4l2_fract       pixelaspect;
1279 };
1280 
1281 struct v4l2_crop {
1282 	__u32			type;	/* enum v4l2_buf_type */
1283 	struct v4l2_rect        c;
1284 };
1285 
1286 /**
1287  * struct v4l2_selection - selection info
1288  * @type:	buffer type (do not use *_MPLANE types)
1289  * @target:	Selection target, used to choose one of possible rectangles;
1290  *		defined in v4l2-common.h; V4L2_SEL_TGT_* .
1291  * @flags:	constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1292  * @r:		coordinates of selection window
1293  * @reserved:	for future use, rounds structure size to 64 bytes, set to zero
1294  *
1295  * Hardware may use multiple helper windows to process a video stream.
1296  * The structure is used to exchange this selection areas between
1297  * an application and a driver.
1298  */
1299 struct v4l2_selection {
1300 	__u32			type;
1301 	__u32			target;
1302 	__u32                   flags;
1303 	struct v4l2_rect        r;
1304 	__u32                   reserved[9];
1305 };
1306 
1307 
1308 /*
1309  *      A N A L O G   V I D E O   S T A N D A R D
1310  */
1311 
1312 typedef __u64 v4l2_std_id;
1313 
1314 /*
1315  * Attention: Keep the V4L2_STD_* bit definitions in sync with
1316  * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1317  */
1318 /* one bit for each */
1319 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
1320 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
1321 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
1322 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
1323 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
1324 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
1325 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
1326 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
1327 
1328 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
1329 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
1330 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
1331 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
1332 
1333 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)	/* BTSC */
1334 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)	/* EIA-J */
1335 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
1336 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)	/* FM A2 */
1337 
1338 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
1339 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
1340 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
1341 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
1342 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
1343 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
1344 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
1345 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
1346 
1347 /* ATSC/HDTV */
1348 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
1349 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
1350 
1351 /* FIXME:
1352    Although std_id is 64 bits, there is an issue on PPC32 architecture that
1353    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1354    this value to 32 bits.
1355    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1356    it should work fine. However, if needed to add more than two standards,
1357    v4l2-common.c should be fixed.
1358  */
1359 
1360 /*
1361  * Some macros to merge video standards in order to make live easier for the
1362  * drivers and V4L2 applications
1363  */
1364 
1365 /*
1366  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1367  * Missing here.
1368  */
1369 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
1370 				 V4L2_STD_NTSC_M_JP     |\
1371 				 V4L2_STD_NTSC_M_KR)
1372 /* Secam macros */
1373 #define V4L2_STD_SECAM_DK	(V4L2_STD_SECAM_D	|\
1374 				 V4L2_STD_SECAM_K	|\
1375 				 V4L2_STD_SECAM_K1)
1376 /* All Secam Standards */
1377 #define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
1378 				 V4L2_STD_SECAM_G	|\
1379 				 V4L2_STD_SECAM_H	|\
1380 				 V4L2_STD_SECAM_DK	|\
1381 				 V4L2_STD_SECAM_L       |\
1382 				 V4L2_STD_SECAM_LC)
1383 /* PAL macros */
1384 #define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
1385 				 V4L2_STD_PAL_B1	|\
1386 				 V4L2_STD_PAL_G)
1387 #define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
1388 				 V4L2_STD_PAL_D1	|\
1389 				 V4L2_STD_PAL_K)
1390 /*
1391  * "Common" PAL - This macro is there to be compatible with the old
1392  * V4L1 concept of "PAL": /BGDKHI.
1393  * Several PAL standards are missing here: /M, /N and /Nc
1394  */
1395 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
1396 				 V4L2_STD_PAL_DK	|\
1397 				 V4L2_STD_PAL_H		|\
1398 				 V4L2_STD_PAL_I)
1399 /* Chroma "agnostic" standards */
1400 #define V4L2_STD_B		(V4L2_STD_PAL_B		|\
1401 				 V4L2_STD_PAL_B1	|\
1402 				 V4L2_STD_SECAM_B)
1403 #define V4L2_STD_G		(V4L2_STD_PAL_G		|\
1404 				 V4L2_STD_SECAM_G)
1405 #define V4L2_STD_H		(V4L2_STD_PAL_H		|\
1406 				 V4L2_STD_SECAM_H)
1407 #define V4L2_STD_L		(V4L2_STD_SECAM_L	|\
1408 				 V4L2_STD_SECAM_LC)
1409 #define V4L2_STD_GH		(V4L2_STD_G		|\
1410 				 V4L2_STD_H)
1411 #define V4L2_STD_DK		(V4L2_STD_PAL_DK	|\
1412 				 V4L2_STD_SECAM_DK)
1413 #define V4L2_STD_BG		(V4L2_STD_B		|\
1414 				 V4L2_STD_G)
1415 #define V4L2_STD_MN		(V4L2_STD_PAL_M		|\
1416 				 V4L2_STD_PAL_N		|\
1417 				 V4L2_STD_PAL_Nc	|\
1418 				 V4L2_STD_NTSC)
1419 
1420 /* Standards where MTS/BTSC stereo could be found */
1421 #define V4L2_STD_MTS		(V4L2_STD_NTSC_M	|\
1422 				 V4L2_STD_PAL_M		|\
1423 				 V4L2_STD_PAL_N		|\
1424 				 V4L2_STD_PAL_Nc)
1425 
1426 /* Standards for Countries with 60Hz Line frequency */
1427 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
1428 				 V4L2_STD_PAL_60	|\
1429 				 V4L2_STD_NTSC		|\
1430 				 V4L2_STD_NTSC_443)
1431 /* Standards for Countries with 50Hz Line frequency */
1432 #define V4L2_STD_625_50		(V4L2_STD_PAL		|\
1433 				 V4L2_STD_PAL_N		|\
1434 				 V4L2_STD_PAL_Nc	|\
1435 				 V4L2_STD_SECAM)
1436 
1437 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
1438 				 V4L2_STD_ATSC_16_VSB)
1439 /* Macros with none and all analog standards */
1440 #define V4L2_STD_UNKNOWN        0
1441 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
1442 				 V4L2_STD_625_50)
1443 
1444 struct v4l2_standard {
1445 	__u32		     index;
1446 	v4l2_std_id          id;
1447 	__u8		     name[24];
1448 	struct v4l2_fract    frameperiod; /* Frames, not fields */
1449 	__u32		     framelines;
1450 	__u32		     reserved[4];
1451 };
1452 
1453 /*
1454  *	D V	B T	T I M I N G S
1455  */
1456 
1457 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1458  * @width:	total width of the active video in pixels
1459  * @height:	total height of the active video in lines
1460  * @interlaced:	Interlaced or progressive
1461  * @polarities:	Positive or negative polarities
1462  * @pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1463  * @hfrontporch:Horizontal front porch in pixels
1464  * @hsync:	Horizontal Sync length in pixels
1465  * @hbackporch:	Horizontal back porch in pixels
1466  * @vfrontporch:Vertical front porch in lines
1467  * @vsync:	Vertical Sync length in lines
1468  * @vbackporch:	Vertical back porch in lines
1469  * @il_vfrontporch:Vertical front porch for the even field
1470  *		(aka field 2) of interlaced field formats
1471  * @il_vsync:	Vertical Sync length for the even field
1472  *		(aka field 2) of interlaced field formats
1473  * @il_vbackporch:Vertical back porch for the even field
1474  *		(aka field 2) of interlaced field formats
1475  * @standards:	Standards the timing belongs to
1476  * @flags:	Flags
1477  * @picture_aspect: The picture aspect ratio (hor/vert).
1478  * @cea861_vic:	VIC code as per the CEA-861 standard.
1479  * @hdmi_vic:	VIC code as per the HDMI standard.
1480  * @reserved:	Reserved fields, must be zeroed.
1481  *
1482  * A note regarding vertical interlaced timings: height refers to the total
1483  * height of the active video frame (= two fields). The blanking timings refer
1484  * to the blanking of each field. So the height of the total frame is
1485  * calculated as follows:
1486  *
1487  * tot_height = height + vfrontporch + vsync + vbackporch +
1488  *                       il_vfrontporch + il_vsync + il_vbackporch
1489  *
1490  * The active height of each field is height / 2.
1491  */
1492 struct v4l2_bt_timings {
1493 	__u32	width;
1494 	__u32	height;
1495 	__u32	interlaced;
1496 	__u32	polarities;
1497 	__u64	pixelclock;
1498 	__u32	hfrontporch;
1499 	__u32	hsync;
1500 	__u32	hbackporch;
1501 	__u32	vfrontporch;
1502 	__u32	vsync;
1503 	__u32	vbackporch;
1504 	__u32	il_vfrontporch;
1505 	__u32	il_vsync;
1506 	__u32	il_vbackporch;
1507 	__u32	standards;
1508 	__u32	flags;
1509 	struct v4l2_fract picture_aspect;
1510 	__u8	cea861_vic;
1511 	__u8	hdmi_vic;
1512 	__u8	reserved[46];
1513 } __attribute__ ((packed));
1514 
1515 /* Interlaced or progressive format */
1516 #define	V4L2_DV_PROGRESSIVE	0
1517 #define	V4L2_DV_INTERLACED	1
1518 
1519 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1520 #define V4L2_DV_VSYNC_POS_POL	0x00000001
1521 #define V4L2_DV_HSYNC_POS_POL	0x00000002
1522 
1523 /* Timings standards */
1524 #define V4L2_DV_BT_STD_CEA861	(1 << 0)  /* CEA-861 Digital TV Profile */
1525 #define V4L2_DV_BT_STD_DMT	(1 << 1)  /* VESA Discrete Monitor Timings */
1526 #define V4L2_DV_BT_STD_CVT	(1 << 2)  /* VESA Coordinated Video Timings */
1527 #define V4L2_DV_BT_STD_GTF	(1 << 3)  /* VESA Generalized Timings Formula */
1528 #define V4L2_DV_BT_STD_SDI	(1 << 4)  /* SDI Timings */
1529 
1530 /* Flags */
1531 
1532 /*
1533  * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1534  * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1535  * intervals are reduced, allowing a higher resolution over the same
1536  * bandwidth. This is a read-only flag.
1537  */
1538 #define V4L2_DV_FL_REDUCED_BLANKING		(1 << 0)
1539 /*
1540  * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1541  * of six. These formats can be optionally played at 1 / 1.001 speed.
1542  * This is a read-only flag.
1543  */
1544 #define V4L2_DV_FL_CAN_REDUCE_FPS		(1 << 1)
1545 /*
1546  * CEA-861 specific: only valid for video transmitters, the flag is cleared
1547  * by receivers.
1548  * If the framerate of the format is a multiple of six, then the pixelclock
1549  * used to set up the transmitter is divided by 1.001 to make it compatible
1550  * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1551  * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1552  * such frequencies, then the flag will also be cleared.
1553  */
1554 #define V4L2_DV_FL_REDUCED_FPS			(1 << 2)
1555 /*
1556  * Specific to interlaced formats: if set, then field 1 is really one half-line
1557  * longer and field 2 is really one half-line shorter, so each field has
1558  * exactly the same number of half-lines. Whether half-lines can be detected
1559  * or used depends on the hardware.
1560  */
1561 #define V4L2_DV_FL_HALF_LINE			(1 << 3)
1562 /*
1563  * If set, then this is a Consumer Electronics (CE) video format. Such formats
1564  * differ from other formats (commonly called IT formats) in that if RGB
1565  * encoding is used then by default the RGB values use limited range (i.e.
1566  * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1567  * except for the 640x480 format are CE formats.
1568  */
1569 #define V4L2_DV_FL_IS_CE_VIDEO			(1 << 4)
1570 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1571  * total height. For these formats, if this flag is set, the first
1572  * field has the extra line. If not, it is the second field.
1573  */
1574 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE	(1 << 5)
1575 /*
1576  * If set, then the picture_aspect field is valid. Otherwise assume that the
1577  * pixels are square, so the picture aspect ratio is the same as the width to
1578  * height ratio.
1579  */
1580 #define V4L2_DV_FL_HAS_PICTURE_ASPECT		(1 << 6)
1581 /*
1582  * If set, then the cea861_vic field is valid and contains the Video
1583  * Identification Code as per the CEA-861 standard.
1584  */
1585 #define V4L2_DV_FL_HAS_CEA861_VIC		(1 << 7)
1586 /*
1587  * If set, then the hdmi_vic field is valid and contains the Video
1588  * Identification Code as per the HDMI standard (HDMI Vendor Specific
1589  * InfoFrame).
1590  */
1591 #define V4L2_DV_FL_HAS_HDMI_VIC			(1 << 8)
1592 /*
1593  * CEA-861 specific: only valid for video receivers.
1594  * If set, then HW can detect the difference between regular FPS and
1595  * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1596  * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1597  */
1598 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS	(1 << 9)
1599 
1600 /* A few useful defines to calculate the total blanking and frame sizes */
1601 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1602 	((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1603 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1604 	((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1605 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1606 	((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1607 	 ((bt)->interlaced ? \
1608 	  ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1609 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1610 	((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1611 
1612 /** struct v4l2_dv_timings - DV timings
1613  * @type:	the type of the timings
1614  * @bt:	BT656/1120 timings
1615  */
1616 struct v4l2_dv_timings {
1617 	__u32 type;
1618 	union {
1619 		struct v4l2_bt_timings	bt;
1620 		__u32	reserved[32];
1621 	};
1622 } __attribute__ ((packed));
1623 
1624 /* Values for the type field */
1625 #define V4L2_DV_BT_656_1120	0	/* BT.656/1120 timing type */
1626 
1627 
1628 /** struct v4l2_enum_dv_timings - DV timings enumeration
1629  * @index:	enumeration index
1630  * @pad:	the pad number for which to enumerate timings (used with
1631  *		v4l-subdev nodes only)
1632  * @reserved:	must be zeroed
1633  * @timings:	the timings for the given index
1634  */
1635 struct v4l2_enum_dv_timings {
1636 	__u32 index;
1637 	__u32 pad;
1638 	__u32 reserved[2];
1639 	struct v4l2_dv_timings timings;
1640 };
1641 
1642 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1643  * @min_width:		width in pixels
1644  * @max_width:		width in pixels
1645  * @min_height:		height in lines
1646  * @max_height:		height in lines
1647  * @min_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1648  * @max_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1649  * @standards:		Supported standards
1650  * @capabilities:	Supported capabilities
1651  * @reserved:		Must be zeroed
1652  */
1653 struct v4l2_bt_timings_cap {
1654 	__u32	min_width;
1655 	__u32	max_width;
1656 	__u32	min_height;
1657 	__u32	max_height;
1658 	__u64	min_pixelclock;
1659 	__u64	max_pixelclock;
1660 	__u32	standards;
1661 	__u32	capabilities;
1662 	__u32	reserved[16];
1663 } __attribute__ ((packed));
1664 
1665 /* Supports interlaced formats */
1666 #define V4L2_DV_BT_CAP_INTERLACED	(1 << 0)
1667 /* Supports progressive formats */
1668 #define V4L2_DV_BT_CAP_PROGRESSIVE	(1 << 1)
1669 /* Supports CVT/GTF reduced blanking */
1670 #define V4L2_DV_BT_CAP_REDUCED_BLANKING	(1 << 2)
1671 /* Supports custom formats */
1672 #define V4L2_DV_BT_CAP_CUSTOM		(1 << 3)
1673 
1674 /** struct v4l2_dv_timings_cap - DV timings capabilities
1675  * @type:	the type of the timings (same as in struct v4l2_dv_timings)
1676  * @pad:	the pad number for which to query capabilities (used with
1677  *		v4l-subdev nodes only)
1678  * @bt:		the BT656/1120 timings capabilities
1679  */
1680 struct v4l2_dv_timings_cap {
1681 	__u32 type;
1682 	__u32 pad;
1683 	__u32 reserved[2];
1684 	union {
1685 		struct v4l2_bt_timings_cap bt;
1686 		__u32 raw_data[32];
1687 	};
1688 };
1689 
1690 
1691 /*
1692  *	V I D E O   I N P U T S
1693  */
1694 struct v4l2_input {
1695 	__u32	     index;		/*  Which input */
1696 	__u8	     name[32];		/*  Label */
1697 	__u32	     type;		/*  Type of input */
1698 	__u32	     audioset;		/*  Associated audios (bitfield) */
1699 	__u32        tuner;             /*  enum v4l2_tuner_type */
1700 	v4l2_std_id  std;
1701 	__u32	     status;
1702 	__u32	     capabilities;
1703 	__u32	     reserved[3];
1704 };
1705 
1706 /*  Values for the 'type' field */
1707 #define V4L2_INPUT_TYPE_TUNER		1
1708 #define V4L2_INPUT_TYPE_CAMERA		2
1709 #define V4L2_INPUT_TYPE_TOUCH		3
1710 
1711 /* field 'status' - general */
1712 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1713 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
1714 #define V4L2_IN_ST_NO_COLOR    0x00000004
1715 
1716 /* field 'status' - sensor orientation */
1717 /* If sensor is mounted upside down set both bits */
1718 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1719 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1720 
1721 /* field 'status' - analog */
1722 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1723 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1724 #define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
1725 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
1726 
1727 /* field 'status' - digital */
1728 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1729 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1730 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1731 
1732 /* field 'status' - VCR and set-top box */
1733 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1734 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1735 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1736 
1737 /* capabilities flags */
1738 #define V4L2_IN_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1739 #define V4L2_IN_CAP_CUSTOM_TIMINGS	V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1740 #define V4L2_IN_CAP_STD			0x00000004 /* Supports S_STD */
1741 #define V4L2_IN_CAP_NATIVE_SIZE		0x00000008 /* Supports setting native size */
1742 
1743 /*
1744  *	V I D E O   O U T P U T S
1745  */
1746 struct v4l2_output {
1747 	__u32	     index;		/*  Which output */
1748 	__u8	     name[32];		/*  Label */
1749 	__u32	     type;		/*  Type of output */
1750 	__u32	     audioset;		/*  Associated audios (bitfield) */
1751 	__u32	     modulator;         /*  Associated modulator */
1752 	v4l2_std_id  std;
1753 	__u32	     capabilities;
1754 	__u32	     reserved[3];
1755 };
1756 /*  Values for the 'type' field */
1757 #define V4L2_OUTPUT_TYPE_MODULATOR		1
1758 #define V4L2_OUTPUT_TYPE_ANALOG			2
1759 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
1760 
1761 /* capabilities flags */
1762 #define V4L2_OUT_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1763 #define V4L2_OUT_CAP_CUSTOM_TIMINGS	V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1764 #define V4L2_OUT_CAP_STD		0x00000004 /* Supports S_STD */
1765 #define V4L2_OUT_CAP_NATIVE_SIZE	0x00000008 /* Supports setting native size */
1766 
1767 /*
1768  *	C O N T R O L S
1769  */
1770 struct v4l2_control {
1771 	__u32		     id;
1772 	__s32		     value;
1773 };
1774 
1775 struct v4l2_ext_control {
1776 	__u32 id;
1777 	__u32 size;
1778 	__u32 reserved2[1];
1779 	union {
1780 		__s32 value;
1781 		__s64 value64;
1782 		char __user *string;
1783 		__u8 __user *p_u8;
1784 		__u16 __user *p_u16;
1785 		__u32 __user *p_u32;
1786 		__u32 __user *p_s32;
1787 		__u32 __user *p_s64;
1788 		struct v4l2_area __user *p_area;
1789 		struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1790 		struct v4l2_ctrl_h264_pps *p_h264_pps;
1791 		struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1792 		struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1793 		struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1794 		struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1795 		struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1796 		struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1797 		struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1798 		struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1799 		struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1800 		struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1801 		struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1802 		struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1803 		struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1804 		struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1805 		struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1806 		struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1807 		void __user *ptr;
1808 	};
1809 } __attribute__ ((packed));
1810 
1811 struct v4l2_ext_controls {
1812 	union {
1813 #ifndef __KERNEL__
1814 		__u32 ctrl_class;
1815 #endif
1816 		__u32 which;
1817 	};
1818 	__u32 count;
1819 	__u32 error_idx;
1820 	__s32 request_fd;
1821 	__u32 reserved[1];
1822 	struct v4l2_ext_control *controls;
1823 };
1824 
1825 #define V4L2_CTRL_ID_MASK	  (0x0fffffff)
1826 #ifndef __KERNEL__
1827 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1828 #endif
1829 #define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
1830 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1831 #define V4L2_CTRL_MAX_DIMS	  (4)
1832 #define V4L2_CTRL_WHICH_CUR_VAL   0
1833 #define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
1834 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1835 
1836 enum v4l2_ctrl_type {
1837 	V4L2_CTRL_TYPE_INTEGER	     = 1,
1838 	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
1839 	V4L2_CTRL_TYPE_MENU	     = 3,
1840 	V4L2_CTRL_TYPE_BUTTON	     = 4,
1841 	V4L2_CTRL_TYPE_INTEGER64     = 5,
1842 	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1843 	V4L2_CTRL_TYPE_STRING        = 7,
1844 	V4L2_CTRL_TYPE_BITMASK       = 8,
1845 	V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
1846 
1847 	/* Compound types are >= 0x0100 */
1848 	V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
1849 	V4L2_CTRL_TYPE_U8	     = 0x0100,
1850 	V4L2_CTRL_TYPE_U16	     = 0x0101,
1851 	V4L2_CTRL_TYPE_U32	     = 0x0102,
1852 	V4L2_CTRL_TYPE_AREA          = 0x0106,
1853 
1854 	V4L2_CTRL_TYPE_HDR10_CLL_INFO		= 0x0110,
1855 	V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY	= 0x0111,
1856 
1857 	V4L2_CTRL_TYPE_H264_SPS             = 0x0200,
1858 	V4L2_CTRL_TYPE_H264_PPS		    = 0x0201,
1859 	V4L2_CTRL_TYPE_H264_SCALING_MATRIX  = 0x0202,
1860 	V4L2_CTRL_TYPE_H264_SLICE_PARAMS    = 0x0203,
1861 	V4L2_CTRL_TYPE_H264_DECODE_PARAMS   = 0x0204,
1862 	V4L2_CTRL_TYPE_H264_PRED_WEIGHTS    = 0x0205,
1863 
1864 	V4L2_CTRL_TYPE_FWHT_PARAMS	    = 0x0220,
1865 
1866 	V4L2_CTRL_TYPE_VP8_FRAME            = 0x0240,
1867 
1868 	V4L2_CTRL_TYPE_MPEG2_QUANTISATION   = 0x0250,
1869 	V4L2_CTRL_TYPE_MPEG2_SEQUENCE       = 0x0251,
1870 	V4L2_CTRL_TYPE_MPEG2_PICTURE        = 0x0252,
1871 
1872 	V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR	= 0x0260,
1873 	V4L2_CTRL_TYPE_VP9_FRAME		= 0x0261,
1874 
1875 	V4L2_CTRL_TYPE_HEVC_SPS			= 0x0270,
1876 	V4L2_CTRL_TYPE_HEVC_PPS			= 0x0271,
1877 	V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS	= 0x0272,
1878 	V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX	= 0x0273,
1879 	V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS	= 0x0274,
1880 };
1881 
1882 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1883 struct v4l2_queryctrl {
1884 	__u32		     id;
1885 	__u32		     type;	/* enum v4l2_ctrl_type */
1886 	__u8		     name[32];	/* Whatever */
1887 	__s32		     minimum;	/* Note signedness */
1888 	__s32		     maximum;
1889 	__s32		     step;
1890 	__s32		     default_value;
1891 	__u32                flags;
1892 	__u32		     reserved[2];
1893 };
1894 
1895 /*  Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1896 struct v4l2_query_ext_ctrl {
1897 	__u32		     id;
1898 	__u32		     type;
1899 	char		     name[32];
1900 	__s64		     minimum;
1901 	__s64		     maximum;
1902 	__u64		     step;
1903 	__s64		     default_value;
1904 	__u32                flags;
1905 	__u32                elem_size;
1906 	__u32                elems;
1907 	__u32                nr_of_dims;
1908 	__u32                dims[V4L2_CTRL_MAX_DIMS];
1909 	__u32		     reserved[32];
1910 };
1911 
1912 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1913 struct v4l2_querymenu {
1914 	__u32		id;
1915 	__u32		index;
1916 	union {
1917 		__u8	name[32];	/* Whatever */
1918 		__s64	value;
1919 	};
1920 	__u32		reserved;
1921 } __attribute__ ((packed));
1922 
1923 /*  Control flags  */
1924 #define V4L2_CTRL_FLAG_DISABLED		0x0001
1925 #define V4L2_CTRL_FLAG_GRABBED		0x0002
1926 #define V4L2_CTRL_FLAG_READ_ONLY	0x0004
1927 #define V4L2_CTRL_FLAG_UPDATE		0x0008
1928 #define V4L2_CTRL_FLAG_INACTIVE		0x0010
1929 #define V4L2_CTRL_FLAG_SLIDER		0x0020
1930 #define V4L2_CTRL_FLAG_WRITE_ONLY	0x0040
1931 #define V4L2_CTRL_FLAG_VOLATILE		0x0080
1932 #define V4L2_CTRL_FLAG_HAS_PAYLOAD	0x0100
1933 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE	0x0200
1934 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT	0x0400
1935 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY	0x0800
1936 
1937 /*  Query flags, to be ORed with the control ID */
1938 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
1939 #define V4L2_CTRL_FLAG_NEXT_COMPOUND	0x40000000
1940 
1941 /*  User-class control IDs defined by V4L2 */
1942 #define V4L2_CID_MAX_CTRLS		1024
1943 /*  IDs reserved for driver specific controls */
1944 #define V4L2_CID_PRIVATE_BASE		0x08000000
1945 
1946 
1947 /*
1948  *	T U N I N G
1949  */
1950 struct v4l2_tuner {
1951 	__u32                   index;
1952 	__u8			name[32];
1953 	__u32			type;	/* enum v4l2_tuner_type */
1954 	__u32			capability;
1955 	__u32			rangelow;
1956 	__u32			rangehigh;
1957 	__u32			rxsubchans;
1958 	__u32			audmode;
1959 	__s32			signal;
1960 	__s32			afc;
1961 	__u32			reserved[4];
1962 };
1963 
1964 struct v4l2_modulator {
1965 	__u32			index;
1966 	__u8			name[32];
1967 	__u32			capability;
1968 	__u32			rangelow;
1969 	__u32			rangehigh;
1970 	__u32			txsubchans;
1971 	__u32			type;	/* enum v4l2_tuner_type */
1972 	__u32			reserved[3];
1973 };
1974 
1975 /*  Flags for the 'capability' field */
1976 #define V4L2_TUNER_CAP_LOW		0x0001
1977 #define V4L2_TUNER_CAP_NORM		0x0002
1978 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED	0x0004
1979 #define V4L2_TUNER_CAP_HWSEEK_WRAP	0x0008
1980 #define V4L2_TUNER_CAP_STEREO		0x0010
1981 #define V4L2_TUNER_CAP_LANG2		0x0020
1982 #define V4L2_TUNER_CAP_SAP		0x0020
1983 #define V4L2_TUNER_CAP_LANG1		0x0040
1984 #define V4L2_TUNER_CAP_RDS		0x0080
1985 #define V4L2_TUNER_CAP_RDS_BLOCK_IO	0x0100
1986 #define V4L2_TUNER_CAP_RDS_CONTROLS	0x0200
1987 #define V4L2_TUNER_CAP_FREQ_BANDS	0x0400
1988 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM	0x0800
1989 #define V4L2_TUNER_CAP_1HZ		0x1000
1990 
1991 /*  Flags for the 'rxsubchans' field */
1992 #define V4L2_TUNER_SUB_MONO		0x0001
1993 #define V4L2_TUNER_SUB_STEREO		0x0002
1994 #define V4L2_TUNER_SUB_LANG2		0x0004
1995 #define V4L2_TUNER_SUB_SAP		0x0004
1996 #define V4L2_TUNER_SUB_LANG1		0x0008
1997 #define V4L2_TUNER_SUB_RDS		0x0010
1998 
1999 /*  Values for the 'audmode' field */
2000 #define V4L2_TUNER_MODE_MONO		0x0000
2001 #define V4L2_TUNER_MODE_STEREO		0x0001
2002 #define V4L2_TUNER_MODE_LANG2		0x0002
2003 #define V4L2_TUNER_MODE_SAP		0x0002
2004 #define V4L2_TUNER_MODE_LANG1		0x0003
2005 #define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
2006 
2007 struct v4l2_frequency {
2008 	__u32	tuner;
2009 	__u32	type;	/* enum v4l2_tuner_type */
2010 	__u32	frequency;
2011 	__u32	reserved[8];
2012 };
2013 
2014 #define V4L2_BAND_MODULATION_VSB	(1 << 1)
2015 #define V4L2_BAND_MODULATION_FM		(1 << 2)
2016 #define V4L2_BAND_MODULATION_AM		(1 << 3)
2017 
2018 struct v4l2_frequency_band {
2019 	__u32	tuner;
2020 	__u32	type;	/* enum v4l2_tuner_type */
2021 	__u32	index;
2022 	__u32	capability;
2023 	__u32	rangelow;
2024 	__u32	rangehigh;
2025 	__u32	modulation;
2026 	__u32	reserved[9];
2027 };
2028 
2029 struct v4l2_hw_freq_seek {
2030 	__u32	tuner;
2031 	__u32	type;	/* enum v4l2_tuner_type */
2032 	__u32	seek_upward;
2033 	__u32	wrap_around;
2034 	__u32	spacing;
2035 	__u32	rangelow;
2036 	__u32	rangehigh;
2037 	__u32	reserved[5];
2038 };
2039 
2040 /*
2041  *	R D S
2042  */
2043 
2044 struct v4l2_rds_data {
2045 	__u8	lsb;
2046 	__u8	msb;
2047 	__u8	block;
2048 } __attribute__ ((packed));
2049 
2050 #define V4L2_RDS_BLOCK_MSK	 0x7
2051 #define V4L2_RDS_BLOCK_A	 0
2052 #define V4L2_RDS_BLOCK_B	 1
2053 #define V4L2_RDS_BLOCK_C	 2
2054 #define V4L2_RDS_BLOCK_D	 3
2055 #define V4L2_RDS_BLOCK_C_ALT	 4
2056 #define V4L2_RDS_BLOCK_INVALID	 7
2057 
2058 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2059 #define V4L2_RDS_BLOCK_ERROR	 0x80
2060 
2061 /*
2062  *	A U D I O
2063  */
2064 struct v4l2_audio {
2065 	__u32	index;
2066 	__u8	name[32];
2067 	__u32	capability;
2068 	__u32	mode;
2069 	__u32	reserved[2];
2070 };
2071 
2072 /*  Flags for the 'capability' field */
2073 #define V4L2_AUDCAP_STEREO		0x00001
2074 #define V4L2_AUDCAP_AVL			0x00002
2075 
2076 /*  Flags for the 'mode' field */
2077 #define V4L2_AUDMODE_AVL		0x00001
2078 
2079 struct v4l2_audioout {
2080 	__u32	index;
2081 	__u8	name[32];
2082 	__u32	capability;
2083 	__u32	mode;
2084 	__u32	reserved[2];
2085 };
2086 
2087 /*
2088  *	M P E G   S E R V I C E S
2089  */
2090 #if 1
2091 #define V4L2_ENC_IDX_FRAME_I    (0)
2092 #define V4L2_ENC_IDX_FRAME_P    (1)
2093 #define V4L2_ENC_IDX_FRAME_B    (2)
2094 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2095 
2096 struct v4l2_enc_idx_entry {
2097 	__u64 offset;
2098 	__u64 pts;
2099 	__u32 length;
2100 	__u32 flags;
2101 	__u32 reserved[2];
2102 };
2103 
2104 #define V4L2_ENC_IDX_ENTRIES (64)
2105 struct v4l2_enc_idx {
2106 	__u32 entries;
2107 	__u32 entries_cap;
2108 	__u32 reserved[4];
2109 	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2110 };
2111 
2112 
2113 #define V4L2_ENC_CMD_START      (0)
2114 #define V4L2_ENC_CMD_STOP       (1)
2115 #define V4L2_ENC_CMD_PAUSE      (2)
2116 #define V4L2_ENC_CMD_RESUME     (3)
2117 
2118 /* Flags for V4L2_ENC_CMD_STOP */
2119 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
2120 
2121 struct v4l2_encoder_cmd {
2122 	__u32 cmd;
2123 	__u32 flags;
2124 	union {
2125 		struct {
2126 			__u32 data[8];
2127 		} raw;
2128 	};
2129 };
2130 
2131 /* Decoder commands */
2132 #define V4L2_DEC_CMD_START       (0)
2133 #define V4L2_DEC_CMD_STOP        (1)
2134 #define V4L2_DEC_CMD_PAUSE       (2)
2135 #define V4L2_DEC_CMD_RESUME      (3)
2136 #define V4L2_DEC_CMD_FLUSH       (4)
2137 
2138 /* Flags for V4L2_DEC_CMD_START */
2139 #define V4L2_DEC_CMD_START_MUTE_AUDIO	(1 << 0)
2140 
2141 /* Flags for V4L2_DEC_CMD_PAUSE */
2142 #define V4L2_DEC_CMD_PAUSE_TO_BLACK	(1 << 0)
2143 
2144 /* Flags for V4L2_DEC_CMD_STOP */
2145 #define V4L2_DEC_CMD_STOP_TO_BLACK	(1 << 0)
2146 #define V4L2_DEC_CMD_STOP_IMMEDIATELY	(1 << 1)
2147 
2148 /* Play format requirements (returned by the driver): */
2149 
2150 /* The decoder has no special format requirements */
2151 #define V4L2_DEC_START_FMT_NONE		(0)
2152 /* The decoder requires full GOPs */
2153 #define V4L2_DEC_START_FMT_GOP		(1)
2154 
2155 /* The structure must be zeroed before use by the application
2156    This ensures it can be extended safely in the future. */
2157 struct v4l2_decoder_cmd {
2158 	__u32 cmd;
2159 	__u32 flags;
2160 	union {
2161 		struct {
2162 			__u64 pts;
2163 		} stop;
2164 
2165 		struct {
2166 			/* 0 or 1000 specifies normal speed,
2167 			   1 specifies forward single stepping,
2168 			   -1 specifies backward single stepping,
2169 			   >1: playback at speed/1000 of the normal speed,
2170 			   <-1: reverse playback at (-speed/1000) of the normal speed. */
2171 			__s32 speed;
2172 			__u32 format;
2173 		} start;
2174 
2175 		struct {
2176 			__u32 data[16];
2177 		} raw;
2178 	};
2179 };
2180 #endif
2181 
2182 
2183 /*
2184  *	D A T A   S E R V I C E S   ( V B I )
2185  *
2186  *	Data services API by Michael Schimek
2187  */
2188 
2189 /* Raw VBI */
2190 struct v4l2_vbi_format {
2191 	__u32	sampling_rate;		/* in 1 Hz */
2192 	__u32	offset;
2193 	__u32	samples_per_line;
2194 	__u32	sample_format;		/* V4L2_PIX_FMT_* */
2195 	__s32	start[2];
2196 	__u32	count[2];
2197 	__u32	flags;			/* V4L2_VBI_* */
2198 	__u32	reserved[2];		/* must be zero */
2199 };
2200 
2201 /*  VBI flags  */
2202 #define V4L2_VBI_UNSYNC		(1 << 0)
2203 #define V4L2_VBI_INTERLACED	(1 << 1)
2204 
2205 /* ITU-R start lines for each field */
2206 #define V4L2_VBI_ITU_525_F1_START (1)
2207 #define V4L2_VBI_ITU_525_F2_START (264)
2208 #define V4L2_VBI_ITU_625_F1_START (1)
2209 #define V4L2_VBI_ITU_625_F2_START (314)
2210 
2211 /* Sliced VBI
2212  *
2213  *    This implements is a proposal V4L2 API to allow SLICED VBI
2214  * required for some hardware encoders. It should change without
2215  * notice in the definitive implementation.
2216  */
2217 
2218 struct v4l2_sliced_vbi_format {
2219 	__u16   service_set;
2220 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2221 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2222 				 (equals frame lines 313-336 for 625 line video
2223 				  standards, 263-286 for 525 line standards) */
2224 	__u16   service_lines[2][24];
2225 	__u32   io_size;
2226 	__u32   reserved[2];            /* must be zero */
2227 };
2228 
2229 /* Teletext World System Teletext
2230    (WST), defined on ITU-R BT.653-2 */
2231 #define V4L2_SLICED_TELETEXT_B          (0x0001)
2232 /* Video Program System, defined on ETS 300 231*/
2233 #define V4L2_SLICED_VPS                 (0x0400)
2234 /* Closed Caption, defined on EIA-608 */
2235 #define V4L2_SLICED_CAPTION_525         (0x1000)
2236 /* Wide Screen System, defined on ITU-R BT1119.1 */
2237 #define V4L2_SLICED_WSS_625             (0x4000)
2238 
2239 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
2240 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2241 
2242 struct v4l2_sliced_vbi_cap {
2243 	__u16   service_set;
2244 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2245 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2246 				 (equals frame lines 313-336 for 625 line video
2247 				  standards, 263-286 for 525 line standards) */
2248 	__u16   service_lines[2][24];
2249 	__u32	type;		/* enum v4l2_buf_type */
2250 	__u32   reserved[3];    /* must be 0 */
2251 };
2252 
2253 struct v4l2_sliced_vbi_data {
2254 	__u32   id;
2255 	__u32   field;          /* 0: first field, 1: second field */
2256 	__u32   line;           /* 1-23 */
2257 	__u32   reserved;       /* must be 0 */
2258 	__u8    data[48];
2259 };
2260 
2261 /*
2262  * Sliced VBI data inserted into MPEG Streams
2263  */
2264 
2265 /*
2266  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2267  *
2268  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2269  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2270  * data
2271  *
2272  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2273  * definitions are not included here.  See the MPEG-2 specifications for details
2274  * on these headers.
2275  */
2276 
2277 /* Line type IDs */
2278 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
2279 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
2280 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
2281 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
2282 
2283 struct v4l2_mpeg_vbi_itv0_line {
2284 	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
2285 	__u8 data[42];	/* Sliced VBI data for the line */
2286 } __attribute__ ((packed));
2287 
2288 struct v4l2_mpeg_vbi_itv0 {
2289 	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
2290 	struct v4l2_mpeg_vbi_itv0_line line[35];
2291 } __attribute__ ((packed));
2292 
2293 struct v4l2_mpeg_vbi_ITV0 {
2294 	struct v4l2_mpeg_vbi_itv0_line line[36];
2295 } __attribute__ ((packed));
2296 
2297 #define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
2298 #define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
2299 
2300 struct v4l2_mpeg_vbi_fmt_ivtv {
2301 	__u8 magic[4];
2302 	union {
2303 		struct v4l2_mpeg_vbi_itv0 itv0;
2304 		struct v4l2_mpeg_vbi_ITV0 ITV0;
2305 	};
2306 } __attribute__ ((packed));
2307 
2308 /*
2309  *	A G G R E G A T E   S T R U C T U R E S
2310  */
2311 
2312 /**
2313  * struct v4l2_plane_pix_format - additional, per-plane format definition
2314  * @sizeimage:		maximum size in bytes required for data, for which
2315  *			this plane will be used
2316  * @bytesperline:	distance in bytes between the leftmost pixels in two
2317  *			adjacent lines
2318  * @reserved:		drivers and applications must zero this array
2319  */
2320 struct v4l2_plane_pix_format {
2321 	__u32		sizeimage;
2322 	__u32		bytesperline;
2323 	__u16		reserved[6];
2324 } __attribute__ ((packed));
2325 
2326 /**
2327  * struct v4l2_pix_format_mplane - multiplanar format definition
2328  * @width:		image width in pixels
2329  * @height:		image height in pixels
2330  * @pixelformat:	little endian four character code (fourcc)
2331  * @field:		enum v4l2_field; field order (for interlaced video)
2332  * @colorspace:		enum v4l2_colorspace; supplemental to pixelformat
2333  * @plane_fmt:		per-plane information
2334  * @num_planes:		number of planes for this format
2335  * @flags:		format flags (V4L2_PIX_FMT_FLAG_*)
2336  * @ycbcr_enc:		enum v4l2_ycbcr_encoding, Y'CbCr encoding
2337  * @hsv_enc:		enum v4l2_hsv_encoding, HSV encoding
2338  * @quantization:	enum v4l2_quantization, colorspace quantization
2339  * @xfer_func:		enum v4l2_xfer_func, colorspace transfer function
2340  * @reserved:		drivers and applications must zero this array
2341  */
2342 struct v4l2_pix_format_mplane {
2343 	__u32				width;
2344 	__u32				height;
2345 	__u32				pixelformat;
2346 	__u32				field;
2347 	__u32				colorspace;
2348 
2349 	struct v4l2_plane_pix_format	plane_fmt[VIDEO_MAX_PLANES];
2350 	__u8				num_planes;
2351 	__u8				flags;
2352 	 union {
2353 		__u8				ycbcr_enc;
2354 		__u8				hsv_enc;
2355 	};
2356 	__u8				quantization;
2357 	__u8				xfer_func;
2358 	__u8				reserved[7];
2359 } __attribute__ ((packed));
2360 
2361 /**
2362  * struct v4l2_sdr_format - SDR format definition
2363  * @pixelformat:	little endian four character code (fourcc)
2364  * @buffersize:		maximum size in bytes required for data
2365  * @reserved:		drivers and applications must zero this array
2366  */
2367 struct v4l2_sdr_format {
2368 	__u32				pixelformat;
2369 	__u32				buffersize;
2370 	__u8				reserved[24];
2371 } __attribute__ ((packed));
2372 
2373 /**
2374  * struct v4l2_meta_format - metadata format definition
2375  * @dataformat:		little endian four character code (fourcc)
2376  * @buffersize:		maximum size in bytes required for data
2377  */
2378 struct v4l2_meta_format {
2379 	__u32				dataformat;
2380 	__u32				buffersize;
2381 } __attribute__ ((packed));
2382 
2383 /**
2384  * struct v4l2_format - stream data format
2385  * @type:	enum v4l2_buf_type; type of the data stream
2386  * @pix:	definition of an image format
2387  * @pix_mp:	definition of a multiplanar image format
2388  * @win:	definition of an overlaid image
2389  * @vbi:	raw VBI capture or output parameters
2390  * @sliced:	sliced VBI capture or output parameters
2391  * @raw_data:	placeholder for future extensions and custom formats
2392  * @fmt:	union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
2393  *		and @raw_data
2394  */
2395 struct v4l2_format {
2396 	__u32	 type;
2397 	union {
2398 		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2399 		struct v4l2_pix_format_mplane	pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2400 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2401 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
2402 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2403 		struct v4l2_sdr_format		sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
2404 		struct v4l2_meta_format		meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
2405 		__u8	raw_data[200];                   /* user-defined */
2406 	} fmt;
2407 };
2408 
2409 /*	Stream type-dependent parameters
2410  */
2411 struct v4l2_streamparm {
2412 	__u32	 type;			/* enum v4l2_buf_type */
2413 	union {
2414 		struct v4l2_captureparm	capture;
2415 		struct v4l2_outputparm	output;
2416 		__u8	raw_data[200];  /* user-defined */
2417 	} parm;
2418 };
2419 
2420 /*
2421  *	E V E N T S
2422  */
2423 
2424 #define V4L2_EVENT_ALL				0
2425 #define V4L2_EVENT_VSYNC			1
2426 #define V4L2_EVENT_EOS				2
2427 #define V4L2_EVENT_CTRL				3
2428 #define V4L2_EVENT_FRAME_SYNC			4
2429 #define V4L2_EVENT_SOURCE_CHANGE		5
2430 #define V4L2_EVENT_MOTION_DET			6
2431 #define V4L2_EVENT_PRIVATE_START		0x08000000
2432 
2433 /* Payload for V4L2_EVENT_VSYNC */
2434 struct v4l2_event_vsync {
2435 	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2436 	__u8 field;
2437 } __attribute__ ((packed));
2438 
2439 /* Payload for V4L2_EVENT_CTRL */
2440 #define V4L2_EVENT_CTRL_CH_VALUE		(1 << 0)
2441 #define V4L2_EVENT_CTRL_CH_FLAGS		(1 << 1)
2442 #define V4L2_EVENT_CTRL_CH_RANGE		(1 << 2)
2443 #define V4L2_EVENT_CTRL_CH_DIMENSIONS		(1 << 3)
2444 
2445 struct v4l2_event_ctrl {
2446 	__u32 changes;
2447 	__u32 type;
2448 	union {
2449 		__s32 value;
2450 		__s64 value64;
2451 	};
2452 	__u32 flags;
2453 	__s32 minimum;
2454 	__s32 maximum;
2455 	__s32 step;
2456 	__s32 default_value;
2457 };
2458 
2459 struct v4l2_event_frame_sync {
2460 	__u32 frame_sequence;
2461 };
2462 
2463 #define V4L2_EVENT_SRC_CH_RESOLUTION		(1 << 0)
2464 
2465 struct v4l2_event_src_change {
2466 	__u32 changes;
2467 };
2468 
2469 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ	(1 << 0)
2470 
2471 /**
2472  * struct v4l2_event_motion_det - motion detection event
2473  * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2474  *                     frame_sequence field is valid.
2475  * @frame_sequence:    the frame sequence number associated with this event.
2476  * @region_mask:       which regions detected motion.
2477  */
2478 struct v4l2_event_motion_det {
2479 	__u32 flags;
2480 	__u32 frame_sequence;
2481 	__u32 region_mask;
2482 };
2483 
2484 struct v4l2_event {
2485 	__u32				type;
2486 	union {
2487 		struct v4l2_event_vsync		vsync;
2488 		struct v4l2_event_ctrl		ctrl;
2489 		struct v4l2_event_frame_sync	frame_sync;
2490 		struct v4l2_event_src_change	src_change;
2491 		struct v4l2_event_motion_det	motion_det;
2492 		__u8				data[64];
2493 	} u;
2494 	__u32				pending;
2495 	__u32				sequence;
2496 #ifdef __KERNEL__
2497 	struct __kernel_timespec	timestamp;
2498 #else
2499 	struct timespec			timestamp;
2500 #endif
2501 	__u32				id;
2502 	__u32				reserved[8];
2503 };
2504 
2505 #define V4L2_EVENT_SUB_FL_SEND_INITIAL		(1 << 0)
2506 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK	(1 << 1)
2507 
2508 struct v4l2_event_subscription {
2509 	__u32				type;
2510 	__u32				id;
2511 	__u32				flags;
2512 	__u32				reserved[5];
2513 };
2514 
2515 /*
2516  *	A D V A N C E D   D E B U G G I N G
2517  *
2518  *	NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2519  *	FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2520  */
2521 
2522 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2523 
2524 #define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
2525 #define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
2526 
2527 /* The following four defines are no longer in use */
2528 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2529 #define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
2530 #define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
2531 #define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
2532 
2533 struct v4l2_dbg_match {
2534 	__u32 type; /* Match type */
2535 	union {     /* Match this chip, meaning determined by type */
2536 		__u32 addr;
2537 		char name[32];
2538 	};
2539 } __attribute__ ((packed));
2540 
2541 struct v4l2_dbg_register {
2542 	struct v4l2_dbg_match match;
2543 	__u32 size;	/* register size in bytes */
2544 	__u64 reg;
2545 	__u64 val;
2546 } __attribute__ ((packed));
2547 
2548 #define V4L2_CHIP_FL_READABLE (1 << 0)
2549 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2550 
2551 /* VIDIOC_DBG_G_CHIP_INFO */
2552 struct v4l2_dbg_chip_info {
2553 	struct v4l2_dbg_match match;
2554 	char name[32];
2555 	__u32 flags;
2556 	__u32 reserved[32];
2557 } __attribute__ ((packed));
2558 
2559 /**
2560  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2561  * @index:	on return, index of the first created buffer
2562  * @count:	entry: number of requested buffers,
2563  *		return: number of created buffers
2564  * @memory:	enum v4l2_memory; buffer memory type
2565  * @format:	frame format, for which buffers are requested
2566  * @capabilities: capabilities of this buffer type.
2567  * @flags:	additional buffer management attributes (ignored unless the
2568  *		queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2569  *		and configured for MMAP streaming I/O).
2570  * @reserved:	future extensions
2571  */
2572 struct v4l2_create_buffers {
2573 	__u32			index;
2574 	__u32			count;
2575 	__u32			memory;
2576 	struct v4l2_format	format;
2577 	__u32			capabilities;
2578 	__u32			flags;
2579 	__u32			reserved[6];
2580 };
2581 
2582 /*
2583  *	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
2584  *
2585  */
2586 #define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
2587 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
2588 #define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
2589 #define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
2590 #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
2591 #define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
2592 #define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
2593 #define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
2594 #define VIDIOC_OVERLAY		 _IOW('V', 14, int)
2595 #define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
2596 #define VIDIOC_EXPBUF		_IOWR('V', 16, struct v4l2_exportbuffer)
2597 #define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
2598 #define VIDIOC_STREAMON		 _IOW('V', 18, int)
2599 #define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
2600 #define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
2601 #define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
2602 #define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
2603 #define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
2604 #define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
2605 #define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
2606 #define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
2607 #define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
2608 #define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
2609 #define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
2610 #define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
2611 #define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
2612 #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
2613 #define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
2614 #define VIDIOC_G_INPUT		 _IOR('V', 38, int)
2615 #define VIDIOC_S_INPUT		_IOWR('V', 39, int)
2616 #define VIDIOC_G_EDID		_IOWR('V', 40, struct v4l2_edid)
2617 #define VIDIOC_S_EDID		_IOWR('V', 41, struct v4l2_edid)
2618 #define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
2619 #define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
2620 #define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
2621 #define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
2622 #define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
2623 #define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
2624 #define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
2625 #define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
2626 #define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
2627 #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
2628 #define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
2629 #define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
2630 #define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
2631 #define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
2632 #define VIDIOC_QUERYSTD		 _IOR('V', 63, v4l2_std_id)
2633 #define VIDIOC_TRY_FMT		_IOWR('V', 64, struct v4l2_format)
2634 #define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
2635 #define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
2636 #define VIDIOC_G_PRIORITY	 _IOR('V', 67, __u32) /* enum v4l2_priority */
2637 #define VIDIOC_S_PRIORITY	 _IOW('V', 68, __u32) /* enum v4l2_priority */
2638 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2639 #define VIDIOC_LOG_STATUS         _IO('V', 70)
2640 #define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
2641 #define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
2642 #define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
2643 #define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
2644 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2645 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
2646 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
2647 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
2648 
2649 /*
2650  * Experimental, meant for debugging, testing and internal use.
2651  * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2652  * You must be root to use these ioctls. Never use these in applications!
2653  */
2654 #define	VIDIOC_DBG_S_REGISTER	 _IOW('V', 79, struct v4l2_dbg_register)
2655 #define	VIDIOC_DBG_G_REGISTER	_IOWR('V', 80, struct v4l2_dbg_register)
2656 
2657 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
2658 #define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)
2659 #define	VIDIOC_G_DV_TIMINGS	_IOWR('V', 88, struct v4l2_dv_timings)
2660 #define	VIDIOC_DQEVENT		 _IOR('V', 89, struct v4l2_event)
2661 #define	VIDIOC_SUBSCRIBE_EVENT	 _IOW('V', 90, struct v4l2_event_subscription)
2662 #define	VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2663 #define VIDIOC_CREATE_BUFS	_IOWR('V', 92, struct v4l2_create_buffers)
2664 #define VIDIOC_PREPARE_BUF	_IOWR('V', 93, struct v4l2_buffer)
2665 #define VIDIOC_G_SELECTION	_IOWR('V', 94, struct v4l2_selection)
2666 #define VIDIOC_S_SELECTION	_IOWR('V', 95, struct v4l2_selection)
2667 #define VIDIOC_DECODER_CMD	_IOWR('V', 96, struct v4l2_decoder_cmd)
2668 #define VIDIOC_TRY_DECODER_CMD	_IOWR('V', 97, struct v4l2_decoder_cmd)
2669 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
2670 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
2671 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
2672 #define VIDIOC_ENUM_FREQ_BANDS	_IOWR('V', 101, struct v4l2_frequency_band)
2673 
2674 /*
2675  * Experimental, meant for debugging, testing and internal use.
2676  * Never use this in applications!
2677  */
2678 #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
2679 
2680 #define VIDIOC_QUERY_EXT_CTRL	_IOWR('V', 103, struct v4l2_query_ext_ctrl)
2681 
2682 /* Reminder: when adding new ioctls please add support for them to
2683    drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2684 
2685 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
2686 
2687 /* Deprecated definitions kept for backwards compatibility */
2688 #ifndef __KERNEL__
2689 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2690 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2691 /*
2692  * This capability was never implemented, anyone using this cap should drop it
2693  * from their code.
2694  */
2695 #define V4L2_CAP_ASYNCIO 0x02000000
2696 #endif
2697 
2698 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2699