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TOMOYO Linux Cross Reference
Linux/include/uapi/linux/videodev2.h

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  1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
  2 /*
  3  *  Video for Linux Two header file
  4  *
  5  *  Copyright (C) 1999-2012 the contributors
  6  *
  7  *  This program is free software; you can redistribute it and/or modify
  8  *  it under the terms of the GNU General Public License as published by
  9  *  the Free Software Foundation; either version 2 of the License, or
 10  *  (at your option) any later version.
 11  *
 12  *  This program is distributed in the hope that it will be useful,
 13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15  *  GNU General Public License for more details.
 16  *
 17  *  Alternatively you can redistribute this file under the terms of the
 18  *  BSD license as stated below:
 19  *
 20  *  Redistribution and use in source and binary forms, with or without
 21  *  modification, are permitted provided that the following conditions
 22  *  are met:
 23  *  1. Redistributions of source code must retain the above copyright
 24  *     notice, this list of conditions and the following disclaimer.
 25  *  2. Redistributions in binary form must reproduce the above copyright
 26  *     notice, this list of conditions and the following disclaimer in
 27  *     the documentation and/or other materials provided with the
 28  *     distribution.
 29  *  3. The names of its contributors may not be used to endorse or promote
 30  *     products derived from this software without specific prior written
 31  *     permission.
 32  *
 33  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 34  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 35  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 36  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 37  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 38  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 39  *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 40  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 41  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 42  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 43  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 44  *
 45  *      Header file for v4l or V4L2 drivers and applications
 46  * with public API.
 47  * All kernel-specific stuff were moved to media/v4l2-dev.h, so
 48  * no #if __KERNEL tests are allowed here
 49  *
 50  *      See https://linuxtv.org for more info
 51  *
 52  *      Author: Bill Dirks <bill@thedirks.org>
 53  *              Justin Schoeman
 54  *              Hans Verkuil <hverkuil@xs4all.nl>
 55  *              et al.
 56  */
 57 #ifndef _UAPI__LINUX_VIDEODEV2_H
 58 #define _UAPI__LINUX_VIDEODEV2_H
 59 
 60 #ifndef __KERNEL__
 61 #include <sys/time.h>
 62 #endif
 63 #include <linux/compiler.h>
 64 #include <linux/ioctl.h>
 65 #include <linux/types.h>
 66 #include <linux/v4l2-common.h>
 67 #include <linux/v4l2-controls.h>
 68 
 69 /*
 70  * Common stuff for both V4L1 and V4L2
 71  * Moved from videodev.h
 72  */
 73 #define VIDEO_MAX_FRAME               32
 74 #define VIDEO_MAX_PLANES               8
 75 
 76 /*
 77  *      M I S C E L L A N E O U S
 78  */
 79 
 80 /*  Four-character-code (FOURCC) */
 81 #define v4l2_fourcc(a, b, c, d)\
 82         ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
 83 #define v4l2_fourcc_be(a, b, c, d)      (v4l2_fourcc(a, b, c, d) | (1U << 31))
 84 
 85 /*
 86  *      E N U M S
 87  */
 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 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '') /* 32  RGBX-10-10-10-2 */
580 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '') /* 32  RGBA-10-10-10-2 */
581 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '') /* 32  ARGB-2-10-10-10 */
582 
583 /* RGB formats (6 or 8 bytes per pixel) */
584 #define V4L2_PIX_FMT_BGR48_12    v4l2_fourcc('B', '3', '1', '2') /* 48  BGR 12-bit per component */
585 #define V4L2_PIX_FMT_BGR48       v4l2_fourcc('B', 'G', 'R', '6') /* 48  BGR 16-bit per component */
586 #define V4L2_PIX_FMT_RGB48       v4l2_fourcc('R', 'G', 'B', '6') /* 48  RGB 16-bit per component */
587 #define V4L2_PIX_FMT_ABGR64_12   v4l2_fourcc('B', '4', '1', '2') /* 64  BGRA 12-bit per component */
588 
589 /* Grey formats */
590 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
591 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '', '4', ' ') /*  4  Greyscale     */
592 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '', '6', ' ') /*  6  Greyscale     */
593 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '', ' ') /* 10  Greyscale     */
594 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
595 #define V4L2_PIX_FMT_Y012    v4l2_fourcc('Y', '', '1', '2') /* 12  Greyscale     */
596 #define V4L2_PIX_FMT_Y14     v4l2_fourcc('Y', '1', '4', ' ') /* 14  Greyscale     */
597 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
598 #define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
599 
600 /* Grey bit-packed formats */
601 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '', 'B') /* 10  Greyscale bit-packed */
602 #define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '', 'P') /* 10  Greyscale, MIPI RAW10 packed */
603 #define V4L2_PIX_FMT_IPU3_Y10           v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
604 #define V4L2_PIX_FMT_Y12P    v4l2_fourcc('Y', '1', '2', 'P') /* 12  Greyscale, MIPI RAW12 packed */
605 #define V4L2_PIX_FMT_Y14P    v4l2_fourcc('Y', '1', '4', 'P') /* 14  Greyscale, MIPI RAW14 packed */
606 
607 /* Palette formats */
608 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
609 
610 /* Chrominance formats */
611 #define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
612 
613 /* Luminance+Chrominance formats */
614 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
615 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
616 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
617 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
618 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
619 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
620 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
621 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
622 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
623 #define V4L2_PIX_FMT_YUV24   v4l2_fourcc('Y', 'U', 'V', '3') /* 24  YUV-8-8-8     */
624 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
625 #define V4L2_PIX_FMT_AYUV32  v4l2_fourcc('A', 'Y', 'U', 'V') /* 32  AYUV-8-8-8-8  */
626 #define V4L2_PIX_FMT_XYUV32  v4l2_fourcc('X', 'Y', 'U', 'V') /* 32  XYUV-8-8-8-8  */
627 #define V4L2_PIX_FMT_VUYA32  v4l2_fourcc('V', 'U', 'Y', 'A') /* 32  VUYA-8-8-8-8  */
628 #define V4L2_PIX_FMT_VUYX32  v4l2_fourcc('V', 'U', 'Y', 'X') /* 32  VUYX-8-8-8-8  */
629 #define V4L2_PIX_FMT_YUVA32  v4l2_fourcc('Y', 'U', 'V', 'A') /* 32  YUVA-8-8-8-8  */
630 #define V4L2_PIX_FMT_YUVX32  v4l2_fourcc('Y', 'U', 'V', 'X') /* 32  YUVX-8-8-8-8  */
631 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
632 #define V4L2_PIX_FMT_YUV48_12    v4l2_fourcc('Y', '3', '1', '2') /* 48  YUV 4:4:4 12-bit per component */
633 
634 /*
635  * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
636  * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
637  */
638 #define V4L2_PIX_FMT_Y210    v4l2_fourcc('Y', '2', '1', '') /* 32  YUYV 4:2:2 */
639 #define V4L2_PIX_FMT_Y212    v4l2_fourcc('Y', '2', '1', '2') /* 32  YUYV 4:2:2 */
640 #define V4L2_PIX_FMT_Y216    v4l2_fourcc('Y', '2', '1', '6') /* 32  YUYV 4:2:2 */
641 
642 /* two planes -- one Y, one Cr + Cb interleaved  */
643 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
644 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
645 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
646 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
647 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
648 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
649 #define V4L2_PIX_FMT_P010    v4l2_fourcc('P', '', '1', '') /* 24  Y/CbCr 4:2:0 10-bit per component */
650 #define V4L2_PIX_FMT_P012    v4l2_fourcc('P', '', '1', '2') /* 24  Y/CbCr 4:2:0 12-bit per component */
651 
652 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
653 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
654 #define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
655 #define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
656 #define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
657 #define V4L2_PIX_FMT_P012M   v4l2_fourcc('P', 'M', '1', '2') /* 24  Y/CbCr 4:2:0 12-bit per component */
658 
659 /* three planes - Y Cb, Cr */
660 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
661 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
662 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
663 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
664 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
665 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
666 
667 /* three non contiguous planes - Y, Cb, Cr */
668 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
669 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
670 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
671 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
672 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
673 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
674 
675 /* Tiled YUV formats */
676 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2')   /* 12  Y/CbCr 4:2:0  4x4 tiles */
677 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
678 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12  Y/CbCr 4:2:0 32x32 tiles */
679 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
680 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '', '1', '') /* 12  Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
681 #define V4L2_PIX_FMT_NV12_8L128       v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
682 #define V4L2_PIX_FMT_NV12_10BE_8L128  v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
683 
684 /* Tiled YUV formats, non contiguous planes */
685 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 tiles */
686 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
687 #define V4L2_PIX_FMT_NV12M_8L128      v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
688 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
689 
690 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
691 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
692 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
693 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
694 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
695 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '') /* 10  BGBG.. GRGR.. */
696 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '') /* 10  GBGB.. RGRG.. */
697 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '') /* 10  GRGR.. BGBG.. */
698 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '') /* 10  RGRG.. GBGB.. */
699         /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
700 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
701 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
702 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
703 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
704         /* 10bit raw bayer a-law compressed to 8 bits */
705 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
706 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
707 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
708 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
709         /* 10bit raw bayer DPCM compressed to 8 bits */
710 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
711 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
712 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '')
713 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
714 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
715 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
716 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
717 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
718         /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
719 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
720 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
721 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
722 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
723 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14  BGBG.. GRGR.. */
724 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14  GBGB.. RGRG.. */
725 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14  GRGR.. BGBG.. */
726 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14  RGRG.. GBGB.. */
727         /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
728 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
729 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
730 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
731 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
732 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
733 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
734 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
735 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
736 
737 /* HSV formats */
738 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
739 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
740 
741 /* compressed formats */
742 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
743 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
744 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
745 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
746 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
747 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
748 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
749 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
750 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
751 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
752 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
753 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
754 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
755 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
756 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
757 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '') /* VP8 */
758 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
759 #define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '') /* VP9 */
760 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
761 #define V4L2_PIX_FMT_HEVC     v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
762 #define V4L2_PIX_FMT_FWHT     v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
763 #define V4L2_PIX_FMT_FWHT_STATELESS     v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
764 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
765 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
766 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
767 #define V4L2_PIX_FMT_SPK      v4l2_fourcc('S', 'P', 'K', '') /* Sorenson Spark */
768 #define V4L2_PIX_FMT_RV30     v4l2_fourcc('R', 'V', '3', '') /* RealVideo 8 */
769 #define V4L2_PIX_FMT_RV40     v4l2_fourcc('R', 'V', '4', '') /* RealVideo 9 & 10 */
770 
771 /*  Vendor-specific formats   */
772 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
773 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
774 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '') /* SN9C10x compression */
775 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '') /* SN9C20x YUV 4:2:0 */
776 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
777 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
778 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
779 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '', '1') /* YUYV per line */
780 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '', '5') /* YYUV per line */
781 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '', '8') /* YUVY per line */
782 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
783 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '', '7') /* compressed BGGR bayer */
784 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '') /* compressed BGGR bayer */
785 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '') /* compressed RGGB bayer */
786 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
787 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '', '5', 'C') /* compressed RGGB bayer */
788 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
789 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
790 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
791 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '') /* stv0680 bayer */
792 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '') /* tm5600/tm60x0 */
793 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
794 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
795 #define V4L2_PIX_FMT_JPGL       v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
796 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '', '1') /* se401 janggu compressed rgb */
797 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
798 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
799 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
800 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
801 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
802 #define V4L2_PIX_FMT_MM21     v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
803 #define V4L2_PIX_FMT_MT2110T  v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
804 #define V4L2_PIX_FMT_MT2110R  v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
805 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
806 #define V4L2_PIX_FMT_CNF4     v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
807 #define V4L2_PIX_FMT_HI240    v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
808 #define V4L2_PIX_FMT_QC08C    v4l2_fourcc('Q', '', '8', 'C') /* Qualcomm 8-bit compressed */
809 #define V4L2_PIX_FMT_QC10C    v4l2_fourcc('Q', '1', '', 'C') /* Qualcomm 10-bit compressed */
810 #define V4L2_PIX_FMT_AJPG     v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
811 #define V4L2_PIX_FMT_HEXTILE  v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
812 
813 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
814 #define V4L2_PIX_FMT_IPU3_SBGGR10       v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
815 #define V4L2_PIX_FMT_IPU3_SGBRG10       v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
816 #define V4L2_PIX_FMT_IPU3_SGRBG10       v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
817 #define V4L2_PIX_FMT_IPU3_SRGGB10       v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
818 
819 /* Raspberry Pi PiSP compressed formats. */
820 #define V4L2_PIX_FMT_PISP_COMP1_RGGB    v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */
821 #define V4L2_PIX_FMT_PISP_COMP1_GRBG    v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */
822 #define V4L2_PIX_FMT_PISP_COMP1_GBRG    v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */
823 #define V4L2_PIX_FMT_PISP_COMP1_BGGR    v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */
824 #define V4L2_PIX_FMT_PISP_COMP1_MONO    v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */
825 #define V4L2_PIX_FMT_PISP_COMP2_RGGB    v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */
826 #define V4L2_PIX_FMT_PISP_COMP2_GRBG    v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */
827 #define V4L2_PIX_FMT_PISP_COMP2_GBRG    v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */
828 #define V4L2_PIX_FMT_PISP_COMP2_BGGR    v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */
829 #define V4L2_PIX_FMT_PISP_COMP2_MONO    v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */
830 
831 /* SDR formats - used only for Software Defined Radio devices */
832 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '', '8') /* IQ u8 */
833 #define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
834 #define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '', '8') /* complex s8 */
835 #define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
836 #define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
837 #define V4L2_SDR_FMT_PCU16BE      v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
838 #define V4L2_SDR_FMT_PCU18BE      v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
839 #define V4L2_SDR_FMT_PCU20BE      v4l2_fourcc('P', 'C', '2', '') /* planar complex u20be */
840 
841 /* Touch formats - used for Touch devices */
842 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
843 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '', '8') /* 8-bit signed deltas */
844 #define V4L2_TCH_FMT_TU16       v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
845 #define V4L2_TCH_FMT_TU08       v4l2_fourcc('T', 'U', '', '8') /* 8-bit unsigned touch data */
846 
847 /* Meta-data formats */
848 #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
849 #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
850 #define V4L2_META_FMT_UVC         v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
851 #define V4L2_META_FMT_D4XX        v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
852 #define V4L2_META_FMT_VIVID       v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
853 
854 /* Vendor specific - used for RK_ISP1 camera sub-system */
855 #define V4L2_META_FMT_RK_ISP1_PARAMS    v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
856 #define V4L2_META_FMT_RK_ISP1_STAT_3A   v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
857 
858 /* Vendor specific - used for RaspberryPi PiSP */
859 #define V4L2_META_FMT_RPI_BE_CFG        v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
860 
861 #ifdef __KERNEL__
862 /*
863  * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
864  * adding new ones!
865  */
866 #define V4L2_META_FMT_GENERIC_8         v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */
867 #define V4L2_META_FMT_GENERIC_CSI2_10   v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */
868 #define V4L2_META_FMT_GENERIC_CSI2_12   v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */
869 #define V4L2_META_FMT_GENERIC_CSI2_14   v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */
870 #define V4L2_META_FMT_GENERIC_CSI2_16   v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */
871 #define V4L2_META_FMT_GENERIC_CSI2_20   v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */
872 #define V4L2_META_FMT_GENERIC_CSI2_24   v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */
873 #endif
874 
875 /* priv field value to indicates that subsequent fields are valid. */
876 #define V4L2_PIX_FMT_PRIV_MAGIC         0xfeedcafe
877 
878 /* Flags */
879 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA  0x00000001
880 #define V4L2_PIX_FMT_FLAG_SET_CSC       0x00000002
881 
882 /*
883  *      F O R M A T   E N U M E R A T I O N
884  */
885 struct v4l2_fmtdesc {
886         __u32               index;             /* Format number      */
887         __u32               type;              /* enum v4l2_buf_type */
888         __u32               flags;
889         __u8                description[32];   /* Description string */
890         __u32               pixelformat;       /* Format fourcc      */
891         __u32               mbus_code;          /* Media bus code    */
892         __u32               reserved[3];
893 };
894 
895 #define V4L2_FMT_FLAG_COMPRESSED                0x0001
896 #define V4L2_FMT_FLAG_EMULATED                  0x0002
897 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM     0x0004
898 #define V4L2_FMT_FLAG_DYN_RESOLUTION            0x0008
899 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL    0x0010
900 #define V4L2_FMT_FLAG_CSC_COLORSPACE            0x0020
901 #define V4L2_FMT_FLAG_CSC_XFER_FUNC             0x0040
902 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC             0x0080
903 #define V4L2_FMT_FLAG_CSC_HSV_ENC               V4L2_FMT_FLAG_CSC_YCBCR_ENC
904 #define V4L2_FMT_FLAG_CSC_QUANTIZATION          0x0100
905 #define V4L2_FMT_FLAG_META_LINE_BASED           0x0200
906 
907         /* Frame Size and frame rate enumeration */
908 /*
909  *      F R A M E   S I Z E   E N U M E R A T I O N
910  */
911 enum v4l2_frmsizetypes {
912         V4L2_FRMSIZE_TYPE_DISCRETE      = 1,
913         V4L2_FRMSIZE_TYPE_CONTINUOUS    = 2,
914         V4L2_FRMSIZE_TYPE_STEPWISE      = 3,
915 };
916 
917 struct v4l2_frmsize_discrete {
918         __u32                   width;          /* Frame width [pixel] */
919         __u32                   height;         /* Frame height [pixel] */
920 };
921 
922 struct v4l2_frmsize_stepwise {
923         __u32                   min_width;      /* Minimum frame width [pixel] */
924         __u32                   max_width;      /* Maximum frame width [pixel] */
925         __u32                   step_width;     /* Frame width step size [pixel] */
926         __u32                   min_height;     /* Minimum frame height [pixel] */
927         __u32                   max_height;     /* Maximum frame height [pixel] */
928         __u32                   step_height;    /* Frame height step size [pixel] */
929 };
930 
931 struct v4l2_frmsizeenum {
932         __u32                   index;          /* Frame size number */
933         __u32                   pixel_format;   /* Pixel format */
934         __u32                   type;           /* Frame size type the device supports. */
935 
936         union {                                 /* Frame size */
937                 struct v4l2_frmsize_discrete    discrete;
938                 struct v4l2_frmsize_stepwise    stepwise;
939         };
940 
941         __u32   reserved[2];                    /* Reserved space for future use */
942 };
943 
944 /*
945  *      F R A M E   R A T E   E N U M E R A T I O N
946  */
947 enum v4l2_frmivaltypes {
948         V4L2_FRMIVAL_TYPE_DISCRETE      = 1,
949         V4L2_FRMIVAL_TYPE_CONTINUOUS    = 2,
950         V4L2_FRMIVAL_TYPE_STEPWISE      = 3,
951 };
952 
953 struct v4l2_frmival_stepwise {
954         struct v4l2_fract       min;            /* Minimum frame interval [s] */
955         struct v4l2_fract       max;            /* Maximum frame interval [s] */
956         struct v4l2_fract       step;           /* Frame interval step size [s] */
957 };
958 
959 struct v4l2_frmivalenum {
960         __u32                   index;          /* Frame format index */
961         __u32                   pixel_format;   /* Pixel format */
962         __u32                   width;          /* Frame width */
963         __u32                   height;         /* Frame height */
964         __u32                   type;           /* Frame interval type the device supports. */
965 
966         union {                                 /* Frame interval */
967                 struct v4l2_fract               discrete;
968                 struct v4l2_frmival_stepwise    stepwise;
969         };
970 
971         __u32   reserved[2];                    /* Reserved space for future use */
972 };
973 
974 /*
975  *      T I M E C O D E
976  */
977 struct v4l2_timecode {
978         __u32   type;
979         __u32   flags;
980         __u8    frames;
981         __u8    seconds;
982         __u8    minutes;
983         __u8    hours;
984         __u8    userbits[4];
985 };
986 
987 /*  Type  */
988 #define V4L2_TC_TYPE_24FPS              1
989 #define V4L2_TC_TYPE_25FPS              2
990 #define V4L2_TC_TYPE_30FPS              3
991 #define V4L2_TC_TYPE_50FPS              4
992 #define V4L2_TC_TYPE_60FPS              5
993 
994 /*  Flags  */
995 #define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
996 #define V4L2_TC_FLAG_COLORFRAME         0x0002
997 #define V4L2_TC_USERBITS_field          0x000C
998 #define V4L2_TC_USERBITS_USERDEFINED    0x0000
999 #define V4L2_TC_USERBITS_8BITCHARS      0x0008
1000 /* The above is based on SMPTE timecodes */
1001 
1002 struct v4l2_jpegcompression {
1003         int quality;
1004 
1005         int  APPn;              /* Number of APP segment to be written,
1006                                  * must be 0..15 */
1007         int  APP_len;           /* Length of data in JPEG APPn segment */
1008         char APP_data[60];      /* Data in the JPEG APPn segment. */
1009 
1010         int  COM_len;           /* Length of data in JPEG COM segment */
1011         char COM_data[60];      /* Data in JPEG COM segment */
1012 
1013         __u32 jpeg_markers;     /* Which markers should go into the JPEG
1014                                  * output. Unless you exactly know what
1015                                  * you do, leave them untouched.
1016                                  * Including less markers will make the
1017                                  * resulting code smaller, but there will
1018                                  * be fewer applications which can read it.
1019                                  * The presence of the APP and COM marker
1020                                  * is influenced by APP_len and COM_len
1021                                  * ONLY, not by this property! */
1022 
1023 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
1024 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
1025 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
1026 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
1027 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
1028                                         * always use APP0 */
1029 };
1030 
1031 /*
1032  *      M E M O R Y - M A P P I N G   B U F F E R S
1033  */
1034 
1035 #ifdef __KERNEL__
1036 /*
1037  * This corresponds to the user space version of timeval
1038  * for 64-bit time_t. sparc64 is different from everyone
1039  * else, using the microseconds in the wrong half of the
1040  * second 64-bit word.
1041  */
1042 struct __kernel_v4l2_timeval {
1043         long long       tv_sec;
1044 #if defined(__sparc__) && defined(__arch64__)
1045         int             tv_usec;
1046         int             __pad;
1047 #else
1048         long long       tv_usec;
1049 #endif
1050 };
1051 #endif
1052 
1053 struct v4l2_requestbuffers {
1054         __u32                   count;
1055         __u32                   type;           /* enum v4l2_buf_type */
1056         __u32                   memory;         /* enum v4l2_memory */
1057         __u32                   capabilities;
1058         __u8                    flags;
1059         __u8                    reserved[3];
1060 };
1061 
1062 #define V4L2_MEMORY_FLAG_NON_COHERENT                   (1 << 0)
1063 
1064 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1065 #define V4L2_BUF_CAP_SUPPORTS_MMAP                      (1 << 0)
1066 #define V4L2_BUF_CAP_SUPPORTS_USERPTR                   (1 << 1)
1067 #define V4L2_BUF_CAP_SUPPORTS_DMABUF                    (1 << 2)
1068 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS                  (1 << 3)
1069 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS             (1 << 4)
1070 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF      (1 << 5)
1071 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS          (1 << 6)
1072 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS           (1 << 7)
1073 #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS               (1 << 8)
1074 
1075 /**
1076  * struct v4l2_plane - plane info for multi-planar buffers
1077  * @bytesused:          number of bytes occupied by data in the plane (payload)
1078  * @length:             size of this plane (NOT the payload) in bytes
1079  * @m.mem_offset:       when memory in the associated struct v4l2_buffer is
1080  *                      V4L2_MEMORY_MMAP, equals the offset from the start of
1081  *                      the device memory for this plane (or is a "cookie" that
1082  *                      should be passed to mmap() called on the video node)
1083  * @m.userptr:          when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1084  *                      pointing to this plane
1085  * @m.fd:               when memory is V4L2_MEMORY_DMABUF, a userspace file
1086  *                      descriptor associated with this plane
1087  * @m:                  union of @mem_offset, @userptr and @fd
1088  * @data_offset:        offset in the plane to the start of data; usually 0,
1089  *                      unless there is a header in front of the data
1090  * @reserved:           drivers and applications must zero this array
1091  *
1092  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1093  * with two planes can have one plane for Y, and another for interleaved CbCr
1094  * components. Each plane can reside in a separate memory buffer, or even in
1095  * a completely separate memory node (e.g. in embedded devices).
1096  */
1097 struct v4l2_plane {
1098         __u32                   bytesused;
1099         __u32                   length;
1100         union {
1101                 __u32           mem_offset;
1102                 unsigned long   userptr;
1103                 __s32           fd;
1104         } m;
1105         __u32                   data_offset;
1106         __u32                   reserved[11];
1107 };
1108 
1109 /**
1110  * struct v4l2_buffer - video buffer info
1111  * @index:      id number of the buffer
1112  * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
1113  *              multiplanar buffers);
1114  * @bytesused:  number of bytes occupied by data in the buffer (payload);
1115  *              unused (set to 0) for multiplanar buffers
1116  * @flags:      buffer informational flags
1117  * @field:      enum v4l2_field; field order of the image in the buffer
1118  * @timestamp:  frame timestamp
1119  * @timecode:   frame timecode
1120  * @sequence:   sequence count of this frame
1121  * @memory:     enum v4l2_memory; the method, in which the actual video data is
1122  *              passed
1123  * @m.offset:   for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1124  *              offset from the start of the device memory for this plane,
1125  *              (or a "cookie" that should be passed to mmap() as offset)
1126  * @m.userptr:  for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1127  *              a userspace pointer pointing to this buffer
1128  * @m.fd:               for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1129  *              a userspace file descriptor associated with this buffer
1130  * @m.planes:   for multiplanar buffers; userspace pointer to the array of plane
1131  *              info structs for this buffer
1132  * @m:          union of @offset, @userptr, @planes and @fd
1133  * @length:     size in bytes of the buffer (NOT its payload) for single-plane
1134  *              buffers (when type != *_MPLANE); number of elements in the
1135  *              planes array for multi-plane buffers
1136  * @reserved2:  drivers and applications must zero this field
1137  * @request_fd: fd of the request that this buffer should use
1138  * @reserved:   for backwards compatibility with applications that do not know
1139  *              about @request_fd
1140  *
1141  * Contains data exchanged by application and driver using one of the Streaming
1142  * I/O methods.
1143  */
1144 struct v4l2_buffer {
1145         __u32                   index;
1146         __u32                   type;
1147         __u32                   bytesused;
1148         __u32                   flags;
1149         __u32                   field;
1150 #ifdef __KERNEL__
1151         struct __kernel_v4l2_timeval timestamp;
1152 #else
1153         struct timeval          timestamp;
1154 #endif
1155         struct v4l2_timecode    timecode;
1156         __u32                   sequence;
1157 
1158         /* memory location */
1159         __u32                   memory;
1160         union {
1161                 __u32           offset;
1162                 unsigned long   userptr;
1163                 struct v4l2_plane *planes;
1164                 __s32           fd;
1165         } m;
1166         __u32                   length;
1167         __u32                   reserved2;
1168         union {
1169                 __s32           request_fd;
1170                 __u32           reserved;
1171         };
1172 };
1173 
1174 #ifndef __KERNEL__
1175 /**
1176  * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1177  * @tv:         pointer to the timeval variable to be converted
1178  *
1179  * Returns the scalar nanosecond representation of the timeval
1180  * parameter.
1181  */
1182 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1183 {
1184         return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1185 }
1186 #endif
1187 
1188 /*  Flags for 'flags' field */
1189 /* Buffer is mapped (flag) */
1190 #define V4L2_BUF_FLAG_MAPPED                    0x00000001
1191 /* Buffer is queued for processing */
1192 #define V4L2_BUF_FLAG_QUEUED                    0x00000002
1193 /* Buffer is ready */
1194 #define V4L2_BUF_FLAG_DONE                      0x00000004
1195 /* Image is a keyframe (I-frame) */
1196 #define V4L2_BUF_FLAG_KEYFRAME                  0x00000008
1197 /* Image is a P-frame */
1198 #define V4L2_BUF_FLAG_PFRAME                    0x00000010
1199 /* Image is a B-frame */
1200 #define V4L2_BUF_FLAG_BFRAME                    0x00000020
1201 /* Buffer is ready, but the data contained within is corrupted. */
1202 #define V4L2_BUF_FLAG_ERROR                     0x00000040
1203 /* Buffer is added to an unqueued request */
1204 #define V4L2_BUF_FLAG_IN_REQUEST                0x00000080
1205 /* timecode field is valid */
1206 #define V4L2_BUF_FLAG_TIMECODE                  0x00000100
1207 /* Don't return the capture buffer until OUTPUT timestamp changes */
1208 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF      0x00000200
1209 /* Buffer is prepared for queuing */
1210 #define V4L2_BUF_FLAG_PREPARED                  0x00000400
1211 /* Cache handling flags */
1212 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE       0x00000800
1213 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN            0x00001000
1214 /* Timestamp type */
1215 #define V4L2_BUF_FLAG_TIMESTAMP_MASK            0x0000e000
1216 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN         0x00000000
1217 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC       0x00002000
1218 #define V4L2_BUF_FLAG_TIMESTAMP_COPY            0x00004000
1219 /* Timestamp sources. */
1220 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK           0x00070000
1221 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF            0x00000000
1222 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE            0x00010000
1223 /* mem2mem encoder/decoder */
1224 #define V4L2_BUF_FLAG_LAST                      0x00100000
1225 /* request_fd is valid */
1226 #define V4L2_BUF_FLAG_REQUEST_FD                0x00800000
1227 
1228 /**
1229  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1230  *
1231  * @index:      id number of the buffer
1232  * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
1233  *              multiplanar buffers);
1234  * @plane:      index of the plane to be exported, 0 for single plane queues
1235  * @flags:      flags for newly created file, currently only O_CLOEXEC is
1236  *              supported, refer to manual of open syscall for more details
1237  * @fd:         file descriptor associated with DMABUF (set by driver)
1238  * @reserved:   drivers and applications must zero this array
1239  *
1240  * Contains data used for exporting a video buffer as DMABUF file descriptor.
1241  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1242  * (identical to the cookie used to mmap() the buffer to userspace). All
1243  * reserved fields must be set to zero. The field reserved0 is expected to
1244  * become a structure 'type' allowing an alternative layout of the structure
1245  * content. Therefore this field should not be used for any other extensions.
1246  */
1247 struct v4l2_exportbuffer {
1248         __u32           type; /* enum v4l2_buf_type */
1249         __u32           index;
1250         __u32           plane;
1251         __u32           flags;
1252         __s32           fd;
1253         __u32           reserved[11];
1254 };
1255 
1256 /*
1257  *      O V E R L A Y   P R E V I E W
1258  */
1259 struct v4l2_framebuffer {
1260         __u32                   capability;
1261         __u32                   flags;
1262 /* FIXME: in theory we should pass something like PCI device + memory
1263  * region + offset instead of some physical address */
1264         void                    *base;
1265         struct {
1266                 __u32           width;
1267                 __u32           height;
1268                 __u32           pixelformat;
1269                 __u32           field;          /* enum v4l2_field */
1270                 __u32           bytesperline;   /* for padding, zero if unused */
1271                 __u32           sizeimage;
1272                 __u32           colorspace;     /* enum v4l2_colorspace */
1273                 __u32           priv;           /* reserved field, set to 0 */
1274         } fmt;
1275 };
1276 /*  Flags for the 'capability' field. Read only */
1277 #define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
1278 #define V4L2_FBUF_CAP_CHROMAKEY         0x0002
1279 #ifndef __KERNEL__
1280 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
1281 #define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
1282 #endif
1283 #define V4L2_FBUF_CAP_LOCAL_ALPHA       0x0010
1284 #define V4L2_FBUF_CAP_GLOBAL_ALPHA      0x0020
1285 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA   0x0040
1286 #define V4L2_FBUF_CAP_SRC_CHROMAKEY     0x0080
1287 /*  Flags for the 'flags' field. */
1288 #define V4L2_FBUF_FLAG_PRIMARY          0x0001
1289 #define V4L2_FBUF_FLAG_OVERLAY          0x0002
1290 #define V4L2_FBUF_FLAG_CHROMAKEY        0x0004
1291 #define V4L2_FBUF_FLAG_LOCAL_ALPHA      0x0008
1292 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA     0x0010
1293 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA  0x0020
1294 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY    0x0040
1295 
1296 struct v4l2_clip {
1297         struct v4l2_rect        c;
1298         struct v4l2_clip        __user *next;
1299 };
1300 
1301 struct v4l2_window {
1302         struct v4l2_rect        w;
1303         __u32                   field;   /* enum v4l2_field */
1304         __u32                   chromakey;
1305         struct v4l2_clip        *clips;
1306         __u32                   clipcount;
1307         void                    __user *bitmap;
1308         __u8                    global_alpha;
1309 };
1310 
1311 /*
1312  *      C A P T U R E   P A R A M E T E R S
1313  */
1314 struct v4l2_captureparm {
1315         __u32              capability;    /*  Supported modes */
1316         __u32              capturemode;   /*  Current mode */
1317         struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
1318         __u32              extendedmode;  /*  Driver-specific extensions */
1319         __u32              readbuffers;   /*  # of buffers for read */
1320         __u32              reserved[4];
1321 };
1322 
1323 /*  Flags for 'capability' and 'capturemode' fields */
1324 #define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
1325 #define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */
1326 
1327 struct v4l2_outputparm {
1328         __u32              capability;   /*  Supported modes */
1329         __u32              outputmode;   /*  Current mode */
1330         struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
1331         __u32              extendedmode; /*  Driver-specific extensions */
1332         __u32              writebuffers; /*  # of buffers for write */
1333         __u32              reserved[4];
1334 };
1335 
1336 /*
1337  *      I N P U T   I M A G E   C R O P P I N G
1338  */
1339 struct v4l2_cropcap {
1340         __u32                   type;   /* enum v4l2_buf_type */
1341         struct v4l2_rect        bounds;
1342         struct v4l2_rect        defrect;
1343         struct v4l2_fract       pixelaspect;
1344 };
1345 
1346 struct v4l2_crop {
1347         __u32                   type;   /* enum v4l2_buf_type */
1348         struct v4l2_rect        c;
1349 };
1350 
1351 /**
1352  * struct v4l2_selection - selection info
1353  * @type:       buffer type (do not use *_MPLANE types)
1354  * @target:     Selection target, used to choose one of possible rectangles;
1355  *              defined in v4l2-common.h; V4L2_SEL_TGT_* .
1356  * @flags:      constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1357  * @r:          coordinates of selection window
1358  * @reserved:   for future use, rounds structure size to 64 bytes, set to zero
1359  *
1360  * Hardware may use multiple helper windows to process a video stream.
1361  * The structure is used to exchange this selection areas between
1362  * an application and a driver.
1363  */
1364 struct v4l2_selection {
1365         __u32                   type;
1366         __u32                   target;
1367         __u32                   flags;
1368         struct v4l2_rect        r;
1369         __u32                   reserved[9];
1370 };
1371 
1372 
1373 /*
1374  *      A N A L O G   V I D E O   S T A N D A R D
1375  */
1376 
1377 typedef __u64 v4l2_std_id;
1378 
1379 /*
1380  * Attention: Keep the V4L2_STD_* bit definitions in sync with
1381  * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1382  */
1383 /* one bit for each */
1384 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
1385 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
1386 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
1387 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
1388 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
1389 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
1390 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
1391 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
1392 
1393 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
1394 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
1395 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
1396 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
1397 
1398 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)       /* BTSC */
1399 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)       /* EIA-J */
1400 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
1401 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)       /* FM A2 */
1402 
1403 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
1404 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
1405 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
1406 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
1407 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
1408 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
1409 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
1410 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
1411 
1412 /* ATSC/HDTV */
1413 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
1414 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
1415 
1416 /* FIXME:
1417    Although std_id is 64 bits, there is an issue on PPC32 architecture that
1418    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1419    this value to 32 bits.
1420    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1421    it should work fine. However, if needed to add more than two standards,
1422    v4l2-common.c should be fixed.
1423  */
1424 
1425 /*
1426  * Some macros to merge video standards in order to make live easier for the
1427  * drivers and V4L2 applications
1428  */
1429 
1430 /*
1431  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1432  * Missing here.
1433  */
1434 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
1435                                  V4L2_STD_NTSC_M_JP     |\
1436                                  V4L2_STD_NTSC_M_KR)
1437 /* Secam macros */
1438 #define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D       |\
1439                                  V4L2_STD_SECAM_K       |\
1440                                  V4L2_STD_SECAM_K1)
1441 /* All Secam Standards */
1442 #define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
1443                                  V4L2_STD_SECAM_G       |\
1444                                  V4L2_STD_SECAM_H       |\
1445                                  V4L2_STD_SECAM_DK      |\
1446                                  V4L2_STD_SECAM_L       |\
1447                                  V4L2_STD_SECAM_LC)
1448 /* PAL macros */
1449 #define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
1450                                  V4L2_STD_PAL_B1        |\
1451                                  V4L2_STD_PAL_G)
1452 #define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
1453                                  V4L2_STD_PAL_D1        |\
1454                                  V4L2_STD_PAL_K)
1455 /*
1456  * "Common" PAL - This macro is there to be compatible with the old
1457  * V4L1 concept of "PAL": /BGDKHI.
1458  * Several PAL standards are missing here: /M, /N and /Nc
1459  */
1460 #define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
1461                                  V4L2_STD_PAL_DK        |\
1462                                  V4L2_STD_PAL_H         |\
1463                                  V4L2_STD_PAL_I)
1464 /* Chroma "agnostic" standards */
1465 #define V4L2_STD_B              (V4L2_STD_PAL_B         |\
1466                                  V4L2_STD_PAL_B1        |\
1467                                  V4L2_STD_SECAM_B)
1468 #define V4L2_STD_G              (V4L2_STD_PAL_G         |\
1469                                  V4L2_STD_SECAM_G)
1470 #define V4L2_STD_H              (V4L2_STD_PAL_H         |\
1471                                  V4L2_STD_SECAM_H)
1472 #define V4L2_STD_L              (V4L2_STD_SECAM_L       |\
1473                                  V4L2_STD_SECAM_LC)
1474 #define V4L2_STD_GH             (V4L2_STD_G             |\
1475                                  V4L2_STD_H)
1476 #define V4L2_STD_DK             (V4L2_STD_PAL_DK        |\
1477                                  V4L2_STD_SECAM_DK)
1478 #define V4L2_STD_BG             (V4L2_STD_B             |\
1479                                  V4L2_STD_G)
1480 #define V4L2_STD_MN             (V4L2_STD_PAL_M         |\
1481                                  V4L2_STD_PAL_N         |\
1482                                  V4L2_STD_PAL_Nc        |\
1483                                  V4L2_STD_NTSC)
1484 
1485 /* Standards where MTS/BTSC stereo could be found */
1486 #define V4L2_STD_MTS            (V4L2_STD_NTSC_M        |\
1487                                  V4L2_STD_PAL_M         |\
1488                                  V4L2_STD_PAL_N         |\
1489                                  V4L2_STD_PAL_Nc)
1490 
1491 /* Standards for Countries with 60Hz Line frequency */
1492 #define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
1493                                  V4L2_STD_PAL_60        |\
1494                                  V4L2_STD_NTSC          |\
1495                                  V4L2_STD_NTSC_443)
1496 /* Standards for Countries with 50Hz Line frequency */
1497 #define V4L2_STD_625_50         (V4L2_STD_PAL           |\
1498                                  V4L2_STD_PAL_N         |\
1499                                  V4L2_STD_PAL_Nc        |\
1500                                  V4L2_STD_SECAM)
1501 
1502 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
1503                                  V4L2_STD_ATSC_16_VSB)
1504 /* Macros with none and all analog standards */
1505 #define V4L2_STD_UNKNOWN        0
1506 #define V4L2_STD_ALL            (V4L2_STD_525_60        |\
1507                                  V4L2_STD_625_50)
1508 
1509 struct v4l2_standard {
1510         __u32                index;
1511         v4l2_std_id          id;
1512         __u8                 name[24];
1513         struct v4l2_fract    frameperiod; /* Frames, not fields */
1514         __u32                framelines;
1515         __u32                reserved[4];
1516 };
1517 
1518 /*
1519  *      D V     B T     T I M I N G S
1520  */
1521 
1522 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1523  * @width:      total width of the active video in pixels
1524  * @height:     total height of the active video in lines
1525  * @interlaced: Interlaced or progressive
1526  * @polarities: Positive or negative polarities
1527  * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1528  * @hfrontporch:Horizontal front porch in pixels
1529  * @hsync:      Horizontal Sync length in pixels
1530  * @hbackporch: Horizontal back porch in pixels
1531  * @vfrontporch:Vertical front porch in lines
1532  * @vsync:      Vertical Sync length in lines
1533  * @vbackporch: Vertical back porch in lines
1534  * @il_vfrontporch:Vertical front porch for the even field
1535  *              (aka field 2) of interlaced field formats
1536  * @il_vsync:   Vertical Sync length for the even field
1537  *              (aka field 2) of interlaced field formats
1538  * @il_vbackporch:Vertical back porch for the even field
1539  *              (aka field 2) of interlaced field formats
1540  * @standards:  Standards the timing belongs to
1541  * @flags:      Flags
1542  * @picture_aspect: The picture aspect ratio (hor/vert).
1543  * @cea861_vic: VIC code as per the CEA-861 standard.
1544  * @hdmi_vic:   VIC code as per the HDMI standard.
1545  * @reserved:   Reserved fields, must be zeroed.
1546  *
1547  * A note regarding vertical interlaced timings: height refers to the total
1548  * height of the active video frame (= two fields). The blanking timings refer
1549  * to the blanking of each field. So the height of the total frame is
1550  * calculated as follows:
1551  *
1552  * tot_height = height + vfrontporch + vsync + vbackporch +
1553  *                       il_vfrontporch + il_vsync + il_vbackporch
1554  *
1555  * The active height of each field is height / 2.
1556  */
1557 struct v4l2_bt_timings {
1558         __u32   width;
1559         __u32   height;
1560         __u32   interlaced;
1561         __u32   polarities;
1562         __u64   pixelclock;
1563         __u32   hfrontporch;
1564         __u32   hsync;
1565         __u32   hbackporch;
1566         __u32   vfrontporch;
1567         __u32   vsync;
1568         __u32   vbackporch;
1569         __u32   il_vfrontporch;
1570         __u32   il_vsync;
1571         __u32   il_vbackporch;
1572         __u32   standards;
1573         __u32   flags;
1574         struct v4l2_fract picture_aspect;
1575         __u8    cea861_vic;
1576         __u8    hdmi_vic;
1577         __u8    reserved[46];
1578 } __attribute__ ((packed));
1579 
1580 /* Interlaced or progressive format */
1581 #define V4L2_DV_PROGRESSIVE     0
1582 #define V4L2_DV_INTERLACED      1
1583 
1584 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1585 #define V4L2_DV_VSYNC_POS_POL   0x00000001
1586 #define V4L2_DV_HSYNC_POS_POL   0x00000002
1587 
1588 /* Timings standards */
1589 #define V4L2_DV_BT_STD_CEA861   (1 << 0)  /* CEA-861 Digital TV Profile */
1590 #define V4L2_DV_BT_STD_DMT      (1 << 1)  /* VESA Discrete Monitor Timings */
1591 #define V4L2_DV_BT_STD_CVT      (1 << 2)  /* VESA Coordinated Video Timings */
1592 #define V4L2_DV_BT_STD_GTF      (1 << 3)  /* VESA Generalized Timings Formula */
1593 #define V4L2_DV_BT_STD_SDI      (1 << 4)  /* SDI Timings */
1594 
1595 /* Flags */
1596 
1597 /*
1598  * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1599  * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1600  * intervals are reduced, allowing a higher resolution over the same
1601  * bandwidth. This is a read-only flag.
1602  */
1603 #define V4L2_DV_FL_REDUCED_BLANKING             (1 << 0)
1604 /*
1605  * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1606  * of six. These formats can be optionally played at 1 / 1.001 speed.
1607  * This is a read-only flag.
1608  */
1609 #define V4L2_DV_FL_CAN_REDUCE_FPS               (1 << 1)
1610 /*
1611  * CEA-861 specific: only valid for video transmitters, the flag is cleared
1612  * by receivers.
1613  * If the framerate of the format is a multiple of six, then the pixelclock
1614  * used to set up the transmitter is divided by 1.001 to make it compatible
1615  * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1616  * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1617  * such frequencies, then the flag will also be cleared.
1618  */
1619 #define V4L2_DV_FL_REDUCED_FPS                  (1 << 2)
1620 /*
1621  * Specific to interlaced formats: if set, then field 1 is really one half-line
1622  * longer and field 2 is really one half-line shorter, so each field has
1623  * exactly the same number of half-lines. Whether half-lines can be detected
1624  * or used depends on the hardware.
1625  */
1626 #define V4L2_DV_FL_HALF_LINE                    (1 << 3)
1627 /*
1628  * If set, then this is a Consumer Electronics (CE) video format. Such formats
1629  * differ from other formats (commonly called IT formats) in that if RGB
1630  * encoding is used then by default the RGB values use limited range (i.e.
1631  * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1632  * except for the 640x480 format are CE formats.
1633  */
1634 #define V4L2_DV_FL_IS_CE_VIDEO                  (1 << 4)
1635 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1636  * total height. For these formats, if this flag is set, the first
1637  * field has the extra line. If not, it is the second field.
1638  */
1639 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE       (1 << 5)
1640 /*
1641  * If set, then the picture_aspect field is valid. Otherwise assume that the
1642  * pixels are square, so the picture aspect ratio is the same as the width to
1643  * height ratio.
1644  */
1645 #define V4L2_DV_FL_HAS_PICTURE_ASPECT           (1 << 6)
1646 /*
1647  * If set, then the cea861_vic field is valid and contains the Video
1648  * Identification Code as per the CEA-861 standard.
1649  */
1650 #define V4L2_DV_FL_HAS_CEA861_VIC               (1 << 7)
1651 /*
1652  * If set, then the hdmi_vic field is valid and contains the Video
1653  * Identification Code as per the HDMI standard (HDMI Vendor Specific
1654  * InfoFrame).
1655  */
1656 #define V4L2_DV_FL_HAS_HDMI_VIC                 (1 << 8)
1657 /*
1658  * CEA-861 specific: only valid for video receivers.
1659  * If set, then HW can detect the difference between regular FPS and
1660  * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1661  * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1662  */
1663 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS       (1 << 9)
1664 
1665 /* A few useful defines to calculate the total blanking and frame sizes */
1666 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1667         ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1668 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1669         ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1670 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1671         ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1672          ((bt)->interlaced ? \
1673           ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1674 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1675         ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1676 
1677 /** struct v4l2_dv_timings - DV timings
1678  * @type:       the type of the timings
1679  * @bt: BT656/1120 timings
1680  */
1681 struct v4l2_dv_timings {
1682         __u32 type;
1683         union {
1684                 struct v4l2_bt_timings  bt;
1685                 __u32   reserved[32];
1686         };
1687 } __attribute__ ((packed));
1688 
1689 /* Values for the type field */
1690 #define V4L2_DV_BT_656_1120     0       /* BT.656/1120 timing type */
1691 
1692 
1693 /** struct v4l2_enum_dv_timings - DV timings enumeration
1694  * @index:      enumeration index
1695  * @pad:        the pad number for which to enumerate timings (used with
1696  *              v4l-subdev nodes only)
1697  * @reserved:   must be zeroed
1698  * @timings:    the timings for the given index
1699  */
1700 struct v4l2_enum_dv_timings {
1701         __u32 index;
1702         __u32 pad;
1703         __u32 reserved[2];
1704         struct v4l2_dv_timings timings;
1705 };
1706 
1707 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1708  * @min_width:          width in pixels
1709  * @max_width:          width in pixels
1710  * @min_height:         height in lines
1711  * @max_height:         height in lines
1712  * @min_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1713  * @max_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1714  * @standards:          Supported standards
1715  * @capabilities:       Supported capabilities
1716  * @reserved:           Must be zeroed
1717  */
1718 struct v4l2_bt_timings_cap {
1719         __u32   min_width;
1720         __u32   max_width;
1721         __u32   min_height;
1722         __u32   max_height;
1723         __u64   min_pixelclock;
1724         __u64   max_pixelclock;
1725         __u32   standards;
1726         __u32   capabilities;
1727         __u32   reserved[16];
1728 } __attribute__ ((packed));
1729 
1730 /* Supports interlaced formats */
1731 #define V4L2_DV_BT_CAP_INTERLACED       (1 << 0)
1732 /* Supports progressive formats */
1733 #define V4L2_DV_BT_CAP_PROGRESSIVE      (1 << 1)
1734 /* Supports CVT/GTF reduced blanking */
1735 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1736 /* Supports custom formats */
1737 #define V4L2_DV_BT_CAP_CUSTOM           (1 << 3)
1738 
1739 /** struct v4l2_dv_timings_cap - DV timings capabilities
1740  * @type:       the type of the timings (same as in struct v4l2_dv_timings)
1741  * @pad:        the pad number for which to query capabilities (used with
1742  *              v4l-subdev nodes only)
1743  * @bt:         the BT656/1120 timings capabilities
1744  */
1745 struct v4l2_dv_timings_cap {
1746         __u32 type;
1747         __u32 pad;
1748         __u32 reserved[2];
1749         union {
1750                 struct v4l2_bt_timings_cap bt;
1751                 __u32 raw_data[32];
1752         };
1753 };
1754 
1755 
1756 /*
1757  *      V I D E O   I N P U T S
1758  */
1759 struct v4l2_input {
1760         __u32        index;             /*  Which input */
1761         __u8         name[32];          /*  Label */
1762         __u32        type;              /*  Type of input */
1763         __u32        audioset;          /*  Associated audios (bitfield) */
1764         __u32        tuner;             /*  Tuner index */
1765         v4l2_std_id  std;
1766         __u32        status;
1767         __u32        capabilities;
1768         __u32        reserved[3];
1769 };
1770 
1771 /*  Values for the 'type' field */
1772 #define V4L2_INPUT_TYPE_TUNER           1
1773 #define V4L2_INPUT_TYPE_CAMERA          2
1774 #define V4L2_INPUT_TYPE_TOUCH           3
1775 
1776 /* field 'status' - general */
1777 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1778 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
1779 #define V4L2_IN_ST_NO_COLOR    0x00000004
1780 
1781 /* field 'status' - sensor orientation */
1782 /* If sensor is mounted upside down set both bits */
1783 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1784 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1785 
1786 /* field 'status' - analog */
1787 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1788 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1789 #define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
1790 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
1791 
1792 /* field 'status' - digital */
1793 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1794 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1795 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1796 
1797 /* field 'status' - VCR and set-top box */
1798 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1799 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1800 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1801 
1802 /* capabilities flags */
1803 #define V4L2_IN_CAP_DV_TIMINGS          0x00000002 /* Supports S_DV_TIMINGS */
1804 #define V4L2_IN_CAP_CUSTOM_TIMINGS      V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1805 #define V4L2_IN_CAP_STD                 0x00000004 /* Supports S_STD */
1806 #define V4L2_IN_CAP_NATIVE_SIZE         0x00000008 /* Supports setting native size */
1807 
1808 /*
1809  *      V I D E O   O U T P U T S
1810  */
1811 struct v4l2_output {
1812         __u32        index;             /*  Which output */
1813         __u8         name[32];          /*  Label */
1814         __u32        type;              /*  Type of output */
1815         __u32        audioset;          /*  Associated audios (bitfield) */
1816         __u32        modulator;         /*  Associated modulator */
1817         v4l2_std_id  std;
1818         __u32        capabilities;
1819         __u32        reserved[3];
1820 };
1821 /*  Values for the 'type' field */
1822 #define V4L2_OUTPUT_TYPE_MODULATOR              1
1823 #define V4L2_OUTPUT_TYPE_ANALOG                 2
1824 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3
1825 
1826 /* capabilities flags */
1827 #define V4L2_OUT_CAP_DV_TIMINGS         0x00000002 /* Supports S_DV_TIMINGS */
1828 #define V4L2_OUT_CAP_CUSTOM_TIMINGS     V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1829 #define V4L2_OUT_CAP_STD                0x00000004 /* Supports S_STD */
1830 #define V4L2_OUT_CAP_NATIVE_SIZE        0x00000008 /* Supports setting native size */
1831 
1832 /*
1833  *      C O N T R O L S
1834  */
1835 struct v4l2_control {
1836         __u32                id;
1837         __s32                value;
1838 };
1839 
1840 struct v4l2_ext_control {
1841         __u32 id;
1842         __u32 size;
1843         __u32 reserved2[1];
1844         union {
1845                 __s32 value;
1846                 __s64 value64;
1847                 char __user *string;
1848                 __u8 __user *p_u8;
1849                 __u16 __user *p_u16;
1850                 __u32 __user *p_u32;
1851                 __s32 __user *p_s32;
1852                 __s64 __user *p_s64;
1853                 struct v4l2_area __user *p_area;
1854                 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1855                 struct v4l2_ctrl_h264_pps __user *p_h264_pps;
1856                 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1857                 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1858                 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1859                 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1860                 struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1861                 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1862                 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1863                 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1864                 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1865                 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1866                 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1867                 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1868                 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1869                 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1870                 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1871                 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1872                 struct v4l2_ctrl_av1_sequence __user *p_av1_sequence;
1873                 struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry;
1874                 struct v4l2_ctrl_av1_frame __user *p_av1_frame;
1875                 struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain;
1876                 struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info;
1877                 struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display;
1878                 void __user *ptr;
1879         } __attribute__ ((packed));
1880 } __attribute__ ((packed));
1881 
1882 struct v4l2_ext_controls {
1883         union {
1884 #ifndef __KERNEL__
1885                 __u32 ctrl_class;
1886 #endif
1887                 __u32 which;
1888         };
1889         __u32 count;
1890         __u32 error_idx;
1891         __s32 request_fd;
1892         __u32 reserved[1];
1893         struct v4l2_ext_control *controls;
1894 };
1895 
1896 #define V4L2_CTRL_ID_MASK         (0x0fffffff)
1897 #ifndef __KERNEL__
1898 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1899 #endif
1900 #define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
1901 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1902 #define V4L2_CTRL_MAX_DIMS        (4)
1903 #define V4L2_CTRL_WHICH_CUR_VAL   0
1904 #define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
1905 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1906 
1907 enum v4l2_ctrl_type {
1908         V4L2_CTRL_TYPE_INTEGER       = 1,
1909         V4L2_CTRL_TYPE_BOOLEAN       = 2,
1910         V4L2_CTRL_TYPE_MENU          = 3,
1911         V4L2_CTRL_TYPE_BUTTON        = 4,
1912         V4L2_CTRL_TYPE_INTEGER64     = 5,
1913         V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1914         V4L2_CTRL_TYPE_STRING        = 7,
1915         V4L2_CTRL_TYPE_BITMASK       = 8,
1916         V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
1917 
1918         /* Compound types are >= 0x0100 */
1919         V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
1920         V4L2_CTRL_TYPE_U8            = 0x0100,
1921         V4L2_CTRL_TYPE_U16           = 0x0101,
1922         V4L2_CTRL_TYPE_U32           = 0x0102,
1923         V4L2_CTRL_TYPE_AREA          = 0x0106,
1924 
1925         V4L2_CTRL_TYPE_HDR10_CLL_INFO           = 0x0110,
1926         V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY  = 0x0111,
1927 
1928         V4L2_CTRL_TYPE_H264_SPS             = 0x0200,
1929         V4L2_CTRL_TYPE_H264_PPS             = 0x0201,
1930         V4L2_CTRL_TYPE_H264_SCALING_MATRIX  = 0x0202,
1931         V4L2_CTRL_TYPE_H264_SLICE_PARAMS    = 0x0203,
1932         V4L2_CTRL_TYPE_H264_DECODE_PARAMS   = 0x0204,
1933         V4L2_CTRL_TYPE_H264_PRED_WEIGHTS    = 0x0205,
1934 
1935         V4L2_CTRL_TYPE_FWHT_PARAMS          = 0x0220,
1936 
1937         V4L2_CTRL_TYPE_VP8_FRAME            = 0x0240,
1938 
1939         V4L2_CTRL_TYPE_MPEG2_QUANTISATION   = 0x0250,
1940         V4L2_CTRL_TYPE_MPEG2_SEQUENCE       = 0x0251,
1941         V4L2_CTRL_TYPE_MPEG2_PICTURE        = 0x0252,
1942 
1943         V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR       = 0x0260,
1944         V4L2_CTRL_TYPE_VP9_FRAME                = 0x0261,
1945 
1946         V4L2_CTRL_TYPE_HEVC_SPS                 = 0x0270,
1947         V4L2_CTRL_TYPE_HEVC_PPS                 = 0x0271,
1948         V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS        = 0x0272,
1949         V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX      = 0x0273,
1950         V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS       = 0x0274,
1951 
1952         V4L2_CTRL_TYPE_AV1_SEQUENCE         = 0x280,
1953         V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
1954         V4L2_CTRL_TYPE_AV1_FRAME            = 0x282,
1955         V4L2_CTRL_TYPE_AV1_FILM_GRAIN       = 0x283,
1956 };
1957 
1958 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1959 struct v4l2_queryctrl {
1960         __u32                id;
1961         __u32                type;      /* enum v4l2_ctrl_type */
1962         __u8                 name[32];  /* Whatever */
1963         __s32                minimum;   /* Note signedness */
1964         __s32                maximum;
1965         __s32                step;
1966         __s32                default_value;
1967         __u32                flags;
1968         __u32                reserved[2];
1969 };
1970 
1971 /*  Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1972 struct v4l2_query_ext_ctrl {
1973         __u32                id;
1974         __u32                type;
1975         char                 name[32];
1976         __s64                minimum;
1977         __s64                maximum;
1978         __u64                step;
1979         __s64                default_value;
1980         __u32                flags;
1981         __u32                elem_size;
1982         __u32                elems;
1983         __u32                nr_of_dims;
1984         __u32                dims[V4L2_CTRL_MAX_DIMS];
1985         __u32                reserved[32];
1986 };
1987 
1988 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1989 struct v4l2_querymenu {
1990         __u32           id;
1991         __u32           index;
1992         union {
1993                 __u8    name[32];       /* Whatever */
1994                 __s64   value;
1995         };
1996         __u32           reserved;
1997 } __attribute__ ((packed));
1998 
1999 /*  Control flags  */
2000 #define V4L2_CTRL_FLAG_DISABLED         0x0001
2001 #define V4L2_CTRL_FLAG_GRABBED          0x0002
2002 #define V4L2_CTRL_FLAG_READ_ONLY        0x0004
2003 #define V4L2_CTRL_FLAG_UPDATE           0x0008
2004 #define V4L2_CTRL_FLAG_INACTIVE         0x0010
2005 #define V4L2_CTRL_FLAG_SLIDER           0x0020
2006 #define V4L2_CTRL_FLAG_WRITE_ONLY       0x0040
2007 #define V4L2_CTRL_FLAG_VOLATILE         0x0080
2008 #define V4L2_CTRL_FLAG_HAS_PAYLOAD      0x0100
2009 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
2010 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT    0x0400
2011 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY    0x0800
2012 
2013 /*  Query flags, to be ORed with the control ID */
2014 #define V4L2_CTRL_FLAG_NEXT_CTRL        0x80000000
2015 #define V4L2_CTRL_FLAG_NEXT_COMPOUND    0x40000000
2016 
2017 /*  User-class control IDs defined by V4L2 */
2018 #define V4L2_CID_MAX_CTRLS              1024
2019 /*  IDs reserved for driver specific controls */
2020 #define V4L2_CID_PRIVATE_BASE           0x08000000
2021 
2022 
2023 /*
2024  *      T U N I N G
2025  */
2026 struct v4l2_tuner {
2027         __u32                   index;
2028         __u8                    name[32];
2029         __u32                   type;   /* enum v4l2_tuner_type */
2030         __u32                   capability;
2031         __u32                   rangelow;
2032         __u32                   rangehigh;
2033         __u32                   rxsubchans;
2034         __u32                   audmode;
2035         __s32                   signal;
2036         __s32                   afc;
2037         __u32                   reserved[4];
2038 };
2039 
2040 struct v4l2_modulator {
2041         __u32                   index;
2042         __u8                    name[32];
2043         __u32                   capability;
2044         __u32                   rangelow;
2045         __u32                   rangehigh;
2046         __u32                   txsubchans;
2047         __u32                   type;   /* enum v4l2_tuner_type */
2048         __u32                   reserved[3];
2049 };
2050 
2051 /*  Flags for the 'capability' field */
2052 #define V4L2_TUNER_CAP_LOW              0x0001
2053 #define V4L2_TUNER_CAP_NORM             0x0002
2054 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED   0x0004
2055 #define V4L2_TUNER_CAP_HWSEEK_WRAP      0x0008
2056 #define V4L2_TUNER_CAP_STEREO           0x0010
2057 #define V4L2_TUNER_CAP_LANG2            0x0020
2058 #define V4L2_TUNER_CAP_SAP              0x0020
2059 #define V4L2_TUNER_CAP_LANG1            0x0040
2060 #define V4L2_TUNER_CAP_RDS              0x0080
2061 #define V4L2_TUNER_CAP_RDS_BLOCK_IO     0x0100
2062 #define V4L2_TUNER_CAP_RDS_CONTROLS     0x0200
2063 #define V4L2_TUNER_CAP_FREQ_BANDS       0x0400
2064 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM  0x0800
2065 #define V4L2_TUNER_CAP_1HZ              0x1000
2066 
2067 /*  Flags for the 'rxsubchans' field */
2068 #define V4L2_TUNER_SUB_MONO             0x0001
2069 #define V4L2_TUNER_SUB_STEREO           0x0002
2070 #define V4L2_TUNER_SUB_LANG2            0x0004
2071 #define V4L2_TUNER_SUB_SAP              0x0004
2072 #define V4L2_TUNER_SUB_LANG1            0x0008
2073 #define V4L2_TUNER_SUB_RDS              0x0010
2074 
2075 /*  Values for the 'audmode' field */
2076 #define V4L2_TUNER_MODE_MONO            0x0000
2077 #define V4L2_TUNER_MODE_STEREO          0x0001
2078 #define V4L2_TUNER_MODE_LANG2           0x0002
2079 #define V4L2_TUNER_MODE_SAP             0x0002
2080 #define V4L2_TUNER_MODE_LANG1           0x0003
2081 #define V4L2_TUNER_MODE_LANG1_LANG2     0x0004
2082 
2083 struct v4l2_frequency {
2084         __u32   tuner;
2085         __u32   type;   /* enum v4l2_tuner_type */
2086         __u32   frequency;
2087         __u32   reserved[8];
2088 };
2089 
2090 #define V4L2_BAND_MODULATION_VSB        (1 << 1)
2091 #define V4L2_BAND_MODULATION_FM         (1 << 2)
2092 #define V4L2_BAND_MODULATION_AM         (1 << 3)
2093 
2094 struct v4l2_frequency_band {
2095         __u32   tuner;
2096         __u32   type;   /* enum v4l2_tuner_type */
2097         __u32   index;
2098         __u32   capability;
2099         __u32   rangelow;
2100         __u32   rangehigh;
2101         __u32   modulation;
2102         __u32   reserved[9];
2103 };
2104 
2105 struct v4l2_hw_freq_seek {
2106         __u32   tuner;
2107         __u32   type;   /* enum v4l2_tuner_type */
2108         __u32   seek_upward;
2109         __u32   wrap_around;
2110         __u32   spacing;
2111         __u32   rangelow;
2112         __u32   rangehigh;
2113         __u32   reserved[5];
2114 };
2115 
2116 /*
2117  *      R D S
2118  */
2119 
2120 struct v4l2_rds_data {
2121         __u8    lsb;
2122         __u8    msb;
2123         __u8    block;
2124 } __attribute__ ((packed));
2125 
2126 #define V4L2_RDS_BLOCK_MSK       0x7
2127 #define V4L2_RDS_BLOCK_A         0
2128 #define V4L2_RDS_BLOCK_B         1
2129 #define V4L2_RDS_BLOCK_C         2
2130 #define V4L2_RDS_BLOCK_D         3
2131 #define V4L2_RDS_BLOCK_C_ALT     4
2132 #define V4L2_RDS_BLOCK_INVALID   7
2133 
2134 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2135 #define V4L2_RDS_BLOCK_ERROR     0x80
2136 
2137 /*
2138  *      A U D I O
2139  */
2140 struct v4l2_audio {
2141         __u32   index;
2142         __u8    name[32];
2143         __u32   capability;
2144         __u32   mode;
2145         __u32   reserved[2];
2146 };
2147 
2148 /*  Flags for the 'capability' field */
2149 #define V4L2_AUDCAP_STEREO              0x00001
2150 #define V4L2_AUDCAP_AVL                 0x00002
2151 
2152 /*  Flags for the 'mode' field */
2153 #define V4L2_AUDMODE_AVL                0x00001
2154 
2155 struct v4l2_audioout {
2156         __u32   index;
2157         __u8    name[32];
2158         __u32   capability;
2159         __u32   mode;
2160         __u32   reserved[2];
2161 };
2162 
2163 /*
2164  *      M P E G   S E R V I C E S
2165  */
2166 #if 1
2167 #define V4L2_ENC_IDX_FRAME_I    (0)
2168 #define V4L2_ENC_IDX_FRAME_P    (1)
2169 #define V4L2_ENC_IDX_FRAME_B    (2)
2170 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2171 
2172 struct v4l2_enc_idx_entry {
2173         __u64 offset;
2174         __u64 pts;
2175         __u32 length;
2176         __u32 flags;
2177         __u32 reserved[2];
2178 };
2179 
2180 #define V4L2_ENC_IDX_ENTRIES (64)
2181 struct v4l2_enc_idx {
2182         __u32 entries;
2183         __u32 entries_cap;
2184         __u32 reserved[4];
2185         struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2186 };
2187 
2188 
2189 #define V4L2_ENC_CMD_START      (0)
2190 #define V4L2_ENC_CMD_STOP       (1)
2191 #define V4L2_ENC_CMD_PAUSE      (2)
2192 #define V4L2_ENC_CMD_RESUME     (3)
2193 
2194 /* Flags for V4L2_ENC_CMD_STOP */
2195 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
2196 
2197 struct v4l2_encoder_cmd {
2198         __u32 cmd;
2199         __u32 flags;
2200         union {
2201                 struct {
2202                         __u32 data[8];
2203                 } raw;
2204         };
2205 };
2206 
2207 /* Decoder commands */
2208 #define V4L2_DEC_CMD_START       (0)
2209 #define V4L2_DEC_CMD_STOP        (1)
2210 #define V4L2_DEC_CMD_PAUSE       (2)
2211 #define V4L2_DEC_CMD_RESUME      (3)
2212 #define V4L2_DEC_CMD_FLUSH       (4)
2213 
2214 /* Flags for V4L2_DEC_CMD_START */
2215 #define V4L2_DEC_CMD_START_MUTE_AUDIO   (1 << 0)
2216 
2217 /* Flags for V4L2_DEC_CMD_PAUSE */
2218 #define V4L2_DEC_CMD_PAUSE_TO_BLACK     (1 << 0)
2219 
2220 /* Flags for V4L2_DEC_CMD_STOP */
2221 #define V4L2_DEC_CMD_STOP_TO_BLACK      (1 << 0)
2222 #define V4L2_DEC_CMD_STOP_IMMEDIATELY   (1 << 1)
2223 
2224 /* Play format requirements (returned by the driver): */
2225 
2226 /* The decoder has no special format requirements */
2227 #define V4L2_DEC_START_FMT_NONE         (0)
2228 /* The decoder requires full GOPs */
2229 #define V4L2_DEC_START_FMT_GOP          (1)
2230 
2231 /* The structure must be zeroed before use by the application
2232    This ensures it can be extended safely in the future. */
2233 struct v4l2_decoder_cmd {
2234         __u32 cmd;
2235         __u32 flags;
2236         union {
2237                 struct {
2238                         __u64 pts;
2239                 } stop;
2240 
2241                 struct {
2242                         /* 0 or 1000 specifies normal speed,
2243                            1 specifies forward single stepping,
2244                            -1 specifies backward single stepping,
2245                            >1: playback at speed/1000 of the normal speed,
2246                            <-1: reverse playback at (-speed/1000) of the normal speed. */
2247                         __s32 speed;
2248                         __u32 format;
2249                 } start;
2250 
2251                 struct {
2252                         __u32 data[16];
2253                 } raw;
2254         };
2255 };
2256 #endif
2257 
2258 
2259 /*
2260  *      D A T A   S E R V I C E S   ( V B I )
2261  *
2262  *      Data services API by Michael Schimek
2263  */
2264 
2265 /* Raw VBI */
2266 struct v4l2_vbi_format {
2267         __u32   sampling_rate;          /* in 1 Hz */
2268         __u32   offset;
2269         __u32   samples_per_line;
2270         __u32   sample_format;          /* V4L2_PIX_FMT_* */
2271         __s32   start[2];
2272         __u32   count[2];
2273         __u32   flags;                  /* V4L2_VBI_* */
2274         __u32   reserved[2];            /* must be zero */
2275 };
2276 
2277 /*  VBI flags  */
2278 #define V4L2_VBI_UNSYNC         (1 << 0)
2279 #define V4L2_VBI_INTERLACED     (1 << 1)
2280 
2281 /* ITU-R start lines for each field */
2282 #define V4L2_VBI_ITU_525_F1_START (1)
2283 #define V4L2_VBI_ITU_525_F2_START (264)
2284 #define V4L2_VBI_ITU_625_F1_START (1)
2285 #define V4L2_VBI_ITU_625_F2_START (314)
2286 
2287 /* Sliced VBI
2288  *
2289  *    This implements is a proposal V4L2 API to allow SLICED VBI
2290  * required for some hardware encoders. It should change without
2291  * notice in the definitive implementation.
2292  */
2293 
2294 struct v4l2_sliced_vbi_format {
2295         __u16   service_set;
2296         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2297            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2298                                  (equals frame lines 313-336 for 625 line video
2299                                   standards, 263-286 for 525 line standards) */
2300         __u16   service_lines[2][24];
2301         __u32   io_size;
2302         __u32   reserved[2];            /* must be zero */
2303 };
2304 
2305 /* Teletext World System Teletext
2306    (WST), defined on ITU-R BT.653-2 */
2307 #define V4L2_SLICED_TELETEXT_B          (0x0001)
2308 /* Video Program System, defined on ETS 300 231*/
2309 #define V4L2_SLICED_VPS                 (0x0400)
2310 /* Closed Caption, defined on EIA-608 */
2311 #define V4L2_SLICED_CAPTION_525         (0x1000)
2312 /* Wide Screen System, defined on ITU-R BT1119.1 */
2313 #define V4L2_SLICED_WSS_625             (0x4000)
2314 
2315 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
2316 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2317 
2318 struct v4l2_sliced_vbi_cap {
2319         __u16   service_set;
2320         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2321            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2322                                  (equals frame lines 313-336 for 625 line video
2323                                   standards, 263-286 for 525 line standards) */
2324         __u16   service_lines[2][24];
2325         __u32   type;           /* enum v4l2_buf_type */
2326         __u32   reserved[3];    /* must be 0 */
2327 };
2328 
2329 struct v4l2_sliced_vbi_data {
2330         __u32   id;
2331         __u32   field;          /* 0: first field, 1: second field */
2332         __u32   line;           /* 1-23 */
2333         __u32   reserved;       /* must be 0 */
2334         __u8    data[48];
2335 };
2336 
2337 /*
2338  * Sliced VBI data inserted into MPEG Streams
2339  */
2340 
2341 /*
2342  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2343  *
2344  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2345  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2346  * data
2347  *
2348  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2349  * definitions are not included here.  See the MPEG-2 specifications for details
2350  * on these headers.
2351  */
2352 
2353 /* Line type IDs */
2354 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
2355 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
2356 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
2357 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
2358 
2359 struct v4l2_mpeg_vbi_itv0_line {
2360         __u8 id;        /* One of V4L2_MPEG_VBI_IVTV_* above */
2361         __u8 data[42];  /* Sliced VBI data for the line */
2362 } __attribute__ ((packed));
2363 
2364 struct v4l2_mpeg_vbi_itv0 {
2365         __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2366         struct v4l2_mpeg_vbi_itv0_line line[35];
2367 } __attribute__ ((packed));
2368 
2369 struct v4l2_mpeg_vbi_ITV0 {
2370         struct v4l2_mpeg_vbi_itv0_line line[36];
2371 } __attribute__ ((packed));
2372 
2373 #define V4L2_MPEG_VBI_IVTV_MAGIC0       "itv0"
2374 #define V4L2_MPEG_VBI_IVTV_MAGIC1       "ITV0"
2375 
2376 struct v4l2_mpeg_vbi_fmt_ivtv {
2377         __u8 magic[4];
2378         union {
2379                 struct v4l2_mpeg_vbi_itv0 itv0;
2380                 struct v4l2_mpeg_vbi_ITV0 ITV0;
2381         };
2382 } __attribute__ ((packed));
2383 
2384 /*
2385  *      A G G R E G A T E   S T R U C T U R E S
2386  */
2387 
2388 /**
2389  * struct v4l2_plane_pix_format - additional, per-plane format definition
2390  * @sizeimage:          maximum size in bytes required for data, for which
2391  *                      this plane will be used
2392  * @bytesperline:       distance in bytes between the leftmost pixels in two
2393  *                      adjacent lines
2394  * @reserved:           drivers and applications must zero this array
2395  */
2396 struct v4l2_plane_pix_format {
2397         __u32           sizeimage;
2398         __u32           bytesperline;
2399         __u16           reserved[6];
2400 } __attribute__ ((packed));
2401 
2402 /**
2403  * struct v4l2_pix_format_mplane - multiplanar format definition
2404  * @width:              image width in pixels
2405  * @height:             image height in pixels
2406  * @pixelformat:        little endian four character code (fourcc)
2407  * @field:              enum v4l2_field; field order (for interlaced video)
2408  * @colorspace:         enum v4l2_colorspace; supplemental to pixelformat
2409  * @plane_fmt:          per-plane information
2410  * @num_planes:         number of planes for this format
2411  * @flags:              format flags (V4L2_PIX_FMT_FLAG_*)
2412  * @ycbcr_enc:          enum v4l2_ycbcr_encoding, Y'CbCr encoding
2413  * @hsv_enc:            enum v4l2_hsv_encoding, HSV encoding
2414  * @quantization:       enum v4l2_quantization, colorspace quantization
2415  * @xfer_func:          enum v4l2_xfer_func, colorspace transfer function
2416  * @reserved:           drivers and applications must zero this array
2417  */
2418 struct v4l2_pix_format_mplane {
2419         __u32                           width;
2420         __u32                           height;
2421         __u32                           pixelformat;
2422         __u32                           field;
2423         __u32                           colorspace;
2424 
2425         struct v4l2_plane_pix_format    plane_fmt[VIDEO_MAX_PLANES];
2426         __u8                            num_planes;
2427         __u8                            flags;
2428          union {
2429                 __u8                            ycbcr_enc;
2430                 __u8                            hsv_enc;
2431         };
2432         __u8                            quantization;
2433         __u8                            xfer_func;
2434         __u8                            reserved[7];
2435 } __attribute__ ((packed));
2436 
2437 /**
2438  * struct v4l2_sdr_format - SDR format definition
2439  * @pixelformat:        little endian four character code (fourcc)
2440  * @buffersize:         maximum size in bytes required for data
2441  * @reserved:           drivers and applications must zero this array
2442  */
2443 struct v4l2_sdr_format {
2444         __u32                           pixelformat;
2445         __u32                           buffersize;
2446         __u8                            reserved[24];
2447 } __attribute__ ((packed));
2448 
2449 /**
2450  * struct v4l2_meta_format - metadata format definition
2451  * @dataformat:         little endian four character code (fourcc)
2452  * @buffersize:         maximum size in bytes required for data
2453  * @width:              number of data units of data per line (valid for line
2454  *                      based formats only, see format documentation)
2455  * @height:             number of lines of data per buffer (valid for line based
2456  *                      formats only)
2457  * @bytesperline:       offset between the beginnings of two adjacent lines in
2458  *                      bytes (valid for line based formats only)
2459  */
2460 struct v4l2_meta_format {
2461         __u32                           dataformat;
2462         __u32                           buffersize;
2463         __u32                           width;
2464         __u32                           height;
2465         __u32                           bytesperline;
2466 } __attribute__ ((packed));
2467 
2468 /**
2469  * struct v4l2_format - stream data format
2470  * @type:               enum v4l2_buf_type; type of the data stream
2471  * @fmt.pix:            definition of an image format
2472  * @fmt.pix_mp:         definition of a multiplanar image format
2473  * @fmt.win:            definition of an overlaid image
2474  * @fmt.vbi:            raw VBI capture or output parameters
2475  * @fmt.sliced:         sliced VBI capture or output parameters
2476  * @fmt.raw_data:       placeholder for future extensions and custom formats
2477  * @fmt:                union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
2478  *                      @meta and @raw_data
2479  */
2480 struct v4l2_format {
2481         __u32    type;
2482         union {
2483                 struct v4l2_pix_format          pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2484                 struct v4l2_pix_format_mplane   pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2485                 struct v4l2_window              win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2486                 struct v4l2_vbi_format          vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
2487                 struct v4l2_sliced_vbi_format   sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2488                 struct v4l2_sdr_format          sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
2489                 struct v4l2_meta_format         meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
2490                 __u8    raw_data[200];                   /* user-defined */
2491         } fmt;
2492 };
2493 
2494 /*      Stream type-dependent parameters
2495  */
2496 struct v4l2_streamparm {
2497         __u32    type;                  /* enum v4l2_buf_type */
2498         union {
2499                 struct v4l2_captureparm capture;
2500                 struct v4l2_outputparm  output;
2501                 __u8    raw_data[200];  /* user-defined */
2502         } parm;
2503 };
2504 
2505 /*
2506  *      E V E N T S
2507  */
2508 
2509 #define V4L2_EVENT_ALL                          0
2510 #define V4L2_EVENT_VSYNC                        1
2511 #define V4L2_EVENT_EOS                          2
2512 #define V4L2_EVENT_CTRL                         3
2513 #define V4L2_EVENT_FRAME_SYNC                   4
2514 #define V4L2_EVENT_SOURCE_CHANGE                5
2515 #define V4L2_EVENT_MOTION_DET                   6
2516 #define V4L2_EVENT_PRIVATE_START                0x08000000
2517 
2518 /* Payload for V4L2_EVENT_VSYNC */
2519 struct v4l2_event_vsync {
2520         /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2521         __u8 field;
2522 } __attribute__ ((packed));
2523 
2524 /* Payload for V4L2_EVENT_CTRL */
2525 #define V4L2_EVENT_CTRL_CH_VALUE                (1 << 0)
2526 #define V4L2_EVENT_CTRL_CH_FLAGS                (1 << 1)
2527 #define V4L2_EVENT_CTRL_CH_RANGE                (1 << 2)
2528 #define V4L2_EVENT_CTRL_CH_DIMENSIONS           (1 << 3)
2529 
2530 struct v4l2_event_ctrl {
2531         __u32 changes;
2532         __u32 type;
2533         union {
2534                 __s32 value;
2535                 __s64 value64;
2536         };
2537         __u32 flags;
2538         __s32 minimum;
2539         __s32 maximum;
2540         __s32 step;
2541         __s32 default_value;
2542 };
2543 
2544 struct v4l2_event_frame_sync {
2545         __u32 frame_sequence;
2546 };
2547 
2548 #define V4L2_EVENT_SRC_CH_RESOLUTION            (1 << 0)
2549 
2550 struct v4l2_event_src_change {
2551         __u32 changes;
2552 };
2553 
2554 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2555 
2556 /**
2557  * struct v4l2_event_motion_det - motion detection event
2558  * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2559  *                     frame_sequence field is valid.
2560  * @frame_sequence:    the frame sequence number associated with this event.
2561  * @region_mask:       which regions detected motion.
2562  */
2563 struct v4l2_event_motion_det {
2564         __u32 flags;
2565         __u32 frame_sequence;
2566         __u32 region_mask;
2567 };
2568 
2569 struct v4l2_event {
2570         __u32                           type;
2571         union {
2572                 struct v4l2_event_vsync         vsync;
2573                 struct v4l2_event_ctrl          ctrl;
2574                 struct v4l2_event_frame_sync    frame_sync;
2575                 struct v4l2_event_src_change    src_change;
2576                 struct v4l2_event_motion_det    motion_det;
2577                 __u8                            data[64];
2578         } u;
2579         __u32                           pending;
2580         __u32                           sequence;
2581 #ifdef __KERNEL__
2582         struct __kernel_timespec        timestamp;
2583 #else
2584         struct timespec                 timestamp;
2585 #endif
2586         __u32                           id;
2587         __u32                           reserved[8];
2588 };
2589 
2590 #define V4L2_EVENT_SUB_FL_SEND_INITIAL          (1 << 0)
2591 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK        (1 << 1)
2592 
2593 struct v4l2_event_subscription {
2594         __u32                           type;
2595         __u32                           id;
2596         __u32                           flags;
2597         __u32                           reserved[5];
2598 };
2599 
2600 /*
2601  *      A D V A N C E D   D E B U G G I N G
2602  *
2603  *      NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2604  *      FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2605  */
2606 
2607 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2608 
2609 #define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
2610 #define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
2611 
2612 /* The following four defines are no longer in use */
2613 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2614 #define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
2615 #define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
2616 #define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
2617 
2618 struct v4l2_dbg_match {
2619         __u32 type; /* Match type */
2620         union {     /* Match this chip, meaning determined by type */
2621                 __u32 addr;
2622                 char name[32];
2623         };
2624 } __attribute__ ((packed));
2625 
2626 struct v4l2_dbg_register {
2627         struct v4l2_dbg_match match;
2628         __u32 size;     /* register size in bytes */
2629         __u64 reg;
2630         __u64 val;
2631 } __attribute__ ((packed));
2632 
2633 #define V4L2_CHIP_FL_READABLE (1 << 0)
2634 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2635 
2636 /* VIDIOC_DBG_G_CHIP_INFO */
2637 struct v4l2_dbg_chip_info {
2638         struct v4l2_dbg_match match;
2639         char name[32];
2640         __u32 flags;
2641         __u32 reserved[32];
2642 } __attribute__ ((packed));
2643 
2644 /**
2645  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2646  * @index:      on return, index of the first created buffer
2647  * @count:      entry: number of requested buffers,
2648  *              return: number of created buffers
2649  * @memory:     enum v4l2_memory; buffer memory type
2650  * @format:     frame format, for which buffers are requested
2651  * @capabilities: capabilities of this buffer type.
2652  * @flags:      additional buffer management attributes (ignored unless the
2653  *              queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2654  *              and configured for MMAP streaming I/O).
2655  * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
2656  *              this field indicate the maximum possible number of buffers
2657  *              for this queue.
2658  * @reserved:   future extensions
2659  */
2660 struct v4l2_create_buffers {
2661         __u32                   index;
2662         __u32                   count;
2663         __u32                   memory;
2664         struct v4l2_format      format;
2665         __u32                   capabilities;
2666         __u32                   flags;
2667         __u32                   max_num_buffers;
2668         __u32                   reserved[5];
2669 };
2670 
2671 /**
2672  * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
2673  * @index:      the first buffer to be removed
2674  * @count:      number of buffers to removed
2675  * @type:       enum v4l2_buf_type
2676  * @reserved:   future extensions
2677  */
2678 struct v4l2_remove_buffers {
2679         __u32                   index;
2680         __u32                   count;
2681         __u32                   type;
2682         __u32                   reserved[13];
2683 };
2684 
2685 /*
2686  *      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
2687  *
2688  */
2689 #define VIDIOC_QUERYCAP          _IOR('V',  0, struct v4l2_capability)
2690 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
2691 #define VIDIOC_G_FMT            _IOWR('V',  4, struct v4l2_format)
2692 #define VIDIOC_S_FMT            _IOWR('V',  5, struct v4l2_format)
2693 #define VIDIOC_REQBUFS          _IOWR('V',  8, struct v4l2_requestbuffers)
2694 #define VIDIOC_QUERYBUF         _IOWR('V',  9, struct v4l2_buffer)
2695 #define VIDIOC_G_FBUF            _IOR('V', 10, struct v4l2_framebuffer)
2696 #define VIDIOC_S_FBUF            _IOW('V', 11, struct v4l2_framebuffer)
2697 #define VIDIOC_OVERLAY           _IOW('V', 14, int)
2698 #define VIDIOC_QBUF             _IOWR('V', 15, struct v4l2_buffer)
2699 #define VIDIOC_EXPBUF           _IOWR('V', 16, struct v4l2_exportbuffer)
2700 #define VIDIOC_DQBUF            _IOWR('V', 17, struct v4l2_buffer)
2701 #define VIDIOC_STREAMON          _IOW('V', 18, int)
2702 #define VIDIOC_STREAMOFF         _IOW('V', 19, int)
2703 #define VIDIOC_G_PARM           _IOWR('V', 21, struct v4l2_streamparm)
2704 #define VIDIOC_S_PARM           _IOWR('V', 22, struct v4l2_streamparm)
2705 #define VIDIOC_G_STD             _IOR('V', 23, v4l2_std_id)
2706 #define VIDIOC_S_STD             _IOW('V', 24, v4l2_std_id)
2707 #define VIDIOC_ENUMSTD          _IOWR('V', 25, struct v4l2_standard)
2708 #define VIDIOC_ENUMINPUT        _IOWR('V', 26, struct v4l2_input)
2709 #define VIDIOC_G_CTRL           _IOWR('V', 27, struct v4l2_control)
2710 #define VIDIOC_S_CTRL           _IOWR('V', 28, struct v4l2_control)
2711 #define VIDIOC_G_TUNER          _IOWR('V', 29, struct v4l2_tuner)
2712 #define VIDIOC_S_TUNER           _IOW('V', 30, struct v4l2_tuner)
2713 #define VIDIOC_G_AUDIO           _IOR('V', 33, struct v4l2_audio)
2714 #define VIDIOC_S_AUDIO           _IOW('V', 34, struct v4l2_audio)
2715 #define VIDIOC_QUERYCTRL        _IOWR('V', 36, struct v4l2_queryctrl)
2716 #define VIDIOC_QUERYMENU        _IOWR('V', 37, struct v4l2_querymenu)
2717 #define VIDIOC_G_INPUT           _IOR('V', 38, int)
2718 #define VIDIOC_S_INPUT          _IOWR('V', 39, int)
2719 #define VIDIOC_G_EDID           _IOWR('V', 40, struct v4l2_edid)
2720 #define VIDIOC_S_EDID           _IOWR('V', 41, struct v4l2_edid)
2721 #define VIDIOC_G_OUTPUT          _IOR('V', 46, int)
2722 #define VIDIOC_S_OUTPUT         _IOWR('V', 47, int)
2723 #define VIDIOC_ENUMOUTPUT       _IOWR('V', 48, struct v4l2_output)
2724 #define VIDIOC_G_AUDOUT          _IOR('V', 49, struct v4l2_audioout)
2725 #define VIDIOC_S_AUDOUT          _IOW('V', 50, struct v4l2_audioout)
2726 #define VIDIOC_G_MODULATOR      _IOWR('V', 54, struct v4l2_modulator)
2727 #define VIDIOC_S_MODULATOR       _IOW('V', 55, struct v4l2_modulator)
2728 #define VIDIOC_G_FREQUENCY      _IOWR('V', 56, struct v4l2_frequency)
2729 #define VIDIOC_S_FREQUENCY       _IOW('V', 57, struct v4l2_frequency)
2730 #define VIDIOC_CROPCAP          _IOWR('V', 58, struct v4l2_cropcap)
2731 #define VIDIOC_G_CROP           _IOWR('V', 59, struct v4l2_crop)
2732 #define VIDIOC_S_CROP            _IOW('V', 60, struct v4l2_crop)
2733 #define VIDIOC_G_JPEGCOMP        _IOR('V', 61, struct v4l2_jpegcompression)
2734 #define VIDIOC_S_JPEGCOMP        _IOW('V', 62, struct v4l2_jpegcompression)
2735 #define VIDIOC_QUERYSTD          _IOR('V', 63, v4l2_std_id)
2736 #define VIDIOC_TRY_FMT          _IOWR('V', 64, struct v4l2_format)
2737 #define VIDIOC_ENUMAUDIO        _IOWR('V', 65, struct v4l2_audio)
2738 #define VIDIOC_ENUMAUDOUT       _IOWR('V', 66, struct v4l2_audioout)
2739 #define VIDIOC_G_PRIORITY        _IOR('V', 67, __u32) /* enum v4l2_priority */
2740 #define VIDIOC_S_PRIORITY        _IOW('V', 68, __u32) /* enum v4l2_priority */
2741 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2742 #define VIDIOC_LOG_STATUS         _IO('V', 70)
2743 #define VIDIOC_G_EXT_CTRLS      _IOWR('V', 71, struct v4l2_ext_controls)
2744 #define VIDIOC_S_EXT_CTRLS      _IOWR('V', 72, struct v4l2_ext_controls)
2745 #define VIDIOC_TRY_EXT_CTRLS    _IOWR('V', 73, struct v4l2_ext_controls)
2746 #define VIDIOC_ENUM_FRAMESIZES  _IOWR('V', 74, struct v4l2_frmsizeenum)
2747 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2748 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
2749 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
2750 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
2751 
2752 /*
2753  * Experimental, meant for debugging, testing and internal use.
2754  * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2755  * You must be root to use these ioctls. Never use these in applications!
2756  */
2757 #define VIDIOC_DBG_S_REGISTER    _IOW('V', 79, struct v4l2_dbg_register)
2758 #define VIDIOC_DBG_G_REGISTER   _IOWR('V', 80, struct v4l2_dbg_register)
2759 
2760 #define VIDIOC_S_HW_FREQ_SEEK    _IOW('V', 82, struct v4l2_hw_freq_seek)
2761 #define VIDIOC_S_DV_TIMINGS     _IOWR('V', 87, struct v4l2_dv_timings)
2762 #define VIDIOC_G_DV_TIMINGS     _IOWR('V', 88, struct v4l2_dv_timings)
2763 #define VIDIOC_DQEVENT           _IOR('V', 89, struct v4l2_event)
2764 #define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct v4l2_event_subscription)
2765 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2766 #define VIDIOC_CREATE_BUFS      _IOWR('V', 92, struct v4l2_create_buffers)
2767 #define VIDIOC_PREPARE_BUF      _IOWR('V', 93, struct v4l2_buffer)
2768 #define VIDIOC_G_SELECTION      _IOWR('V', 94, struct v4l2_selection)
2769 #define VIDIOC_S_SELECTION      _IOWR('V', 95, struct v4l2_selection)
2770 #define VIDIOC_DECODER_CMD      _IOWR('V', 96, struct v4l2_decoder_cmd)
2771 #define VIDIOC_TRY_DECODER_CMD  _IOWR('V', 97, struct v4l2_decoder_cmd)
2772 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
2773 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
2774 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
2775 #define VIDIOC_ENUM_FREQ_BANDS  _IOWR('V', 101, struct v4l2_frequency_band)
2776 
2777 /*
2778  * Experimental, meant for debugging, testing and internal use.
2779  * Never use this in applications!
2780  */
2781 #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
2782 
2783 #define VIDIOC_QUERY_EXT_CTRL   _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2784 #define VIDIOC_REMOVE_BUFS      _IOWR('V', 104, struct v4l2_remove_buffers)
2785 
2786 
2787 /* Reminder: when adding new ioctls please add support for them to
2788    drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2789 
2790 #define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */
2791 
2792 /* Deprecated definitions kept for backwards compatibility */
2793 #ifndef __KERNEL__
2794 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2795 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2796 /*
2797  * This capability was never implemented, anyone using this cap should drop it
2798  * from their code.
2799  */
2800 #define V4L2_CAP_ASYNCIO 0x02000000
2801 #endif
2802 
2803 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2804 

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