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

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  1 /*
  2  *  Video for Linux Two header file
  3  *
  4  *  Copyright (C) 1999-2012 the contributors
  5  *
  6  *  This program is free software; you can redistribute it and/or modify
  7  *  it under the terms of the GNU General Public License as published by
  8  *  the Free Software Foundation; either version 2 of the License, or
  9  *  (at your option) any later version.
 10  *
 11  *  This program is distributed in the hope that it will be useful,
 12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  *  GNU General Public License for more details.
 15  *
 16  *  Alternatively you can redistribute this file under the terms of the
 17  *  BSD license as stated below:
 18  *
 19  *  Redistribution and use in source and binary forms, with or without
 20  *  modification, are permitted provided that the following conditions
 21  *  are met:
 22  *  1. Redistributions of source code must retain the above copyright
 23  *     notice, this list of conditions and the following disclaimer.
 24  *  2. Redistributions in binary form must reproduce the above copyright
 25  *     notice, this list of conditions and the following disclaimer in
 26  *     the documentation and/or other materials provided with the
 27  *     distribution.
 28  *  3. The names of its contributors may not be used to endorse or promote
 29  *     products derived from this software without specific prior written
 30  *     permission.
 31  *
 32  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 33  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 34  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 35  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 36  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 37  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 38  *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 39  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 40  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 41  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 42  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 43  *
 44  *      Header file for v4l or V4L2 drivers and applications
 45  * with public API.
 46  * All kernel-specific stuff were moved to media/v4l2-dev.h, so
 47  * no #if __KERNEL tests are allowed here
 48  *
 49  *      See https://linuxtv.org for more info
 50  *
 51  *      Author: Bill Dirks <bill@thedirks.org>
 52  *              Justin Schoeman
 53  *              Hans Verkuil <hverkuil@xs4all.nl>
 54  *              et al.
 55  */
 56 #ifndef _UAPI__LINUX_VIDEODEV2_H
 57 #define _UAPI__LINUX_VIDEODEV2_H
 58 
 59 #ifndef __KERNEL__
 60 #include <sys/time.h>
 61 #endif
 62 #include <linux/compiler.h>
 63 #include <linux/ioctl.h>
 64 #include <linux/types.h>
 65 #include <linux/v4l2-common.h>
 66 #include <linux/v4l2-controls.h>
 67 
 68 /*
 69  * Common stuff for both V4L1 and V4L2
 70  * Moved from videodev.h
 71  */
 72 #define VIDEO_MAX_FRAME               32
 73 #define VIDEO_MAX_PLANES               8
 74 
 75 /*
 76  *      M I S C E L L A N E O U S
 77  */
 78 
 79 /*  Four-character-code (FOURCC) */
 80 #define v4l2_fourcc(a, b, c, d)\
 81         ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
 82 #define v4l2_fourcc_be(a, b, c, d)      (v4l2_fourcc(a, b, c, d) | (1 << 31))
 83 
 84 /*
 85  *      E N U M S
 86  */
 87 enum v4l2_field {
 88         V4L2_FIELD_ANY           = 0, /* driver can choose from none,
 89                                          top, bottom, interlaced
 90                                          depending on whatever it thinks
 91                                          is approximate ... */
 92         V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
 93         V4L2_FIELD_TOP           = 2, /* top field only */
 94         V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
 95         V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
 96         V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
 97                                          buffer, top-bottom order */
 98         V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
 99         V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
100                                          separate buffers */
101         V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
102                                          first and the top field is
103                                          transmitted first */
104         V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
105                                          first and the bottom field is
106                                          transmitted first */
107 };
108 #define V4L2_FIELD_HAS_TOP(field)       \
109         ((field) == V4L2_FIELD_TOP      ||\
110          (field) == V4L2_FIELD_INTERLACED ||\
111          (field) == V4L2_FIELD_INTERLACED_TB ||\
112          (field) == V4L2_FIELD_INTERLACED_BT ||\
113          (field) == V4L2_FIELD_SEQ_TB   ||\
114          (field) == V4L2_FIELD_SEQ_BT)
115 #define V4L2_FIELD_HAS_BOTTOM(field)    \
116         ((field) == V4L2_FIELD_BOTTOM   ||\
117          (field) == V4L2_FIELD_INTERLACED ||\
118          (field) == V4L2_FIELD_INTERLACED_TB ||\
119          (field) == V4L2_FIELD_INTERLACED_BT ||\
120          (field) == V4L2_FIELD_SEQ_TB   ||\
121          (field) == V4L2_FIELD_SEQ_BT)
122 #define V4L2_FIELD_HAS_BOTH(field)      \
123         ((field) == V4L2_FIELD_INTERLACED ||\
124          (field) == V4L2_FIELD_INTERLACED_TB ||\
125          (field) == V4L2_FIELD_INTERLACED_BT ||\
126          (field) == V4L2_FIELD_SEQ_TB ||\
127          (field) == V4L2_FIELD_SEQ_BT)
128 #define V4L2_FIELD_HAS_T_OR_B(field)    \
129         ((field) == V4L2_FIELD_BOTTOM ||\
130          (field) == V4L2_FIELD_TOP ||\
131          (field) == V4L2_FIELD_ALTERNATE)
132 
133 enum v4l2_buf_type {
134         V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
135         V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
136         V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
137         V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
138         V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
139         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
140         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
141         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
142         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
143         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
144         V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
145         V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
146         V4L2_BUF_TYPE_META_CAPTURE         = 13,
147         /* Deprecated, do not use */
148         V4L2_BUF_TYPE_PRIVATE              = 0x80,
149 };
150 
151 #define V4L2_TYPE_IS_MULTIPLANAR(type)                  \
152         ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE   \
153          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
154 
155 #define V4L2_TYPE_IS_OUTPUT(type)                               \
156         ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT                   \
157          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE         \
158          || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY               \
159          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY        \
160          || (type) == V4L2_BUF_TYPE_VBI_OUTPUT                  \
161          || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT           \
162          || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
163 
164 enum v4l2_tuner_type {
165         V4L2_TUNER_RADIO             = 1,
166         V4L2_TUNER_ANALOG_TV         = 2,
167         V4L2_TUNER_DIGITAL_TV        = 3,
168         V4L2_TUNER_SDR               = 4,
169         V4L2_TUNER_RF                = 5,
170 };
171 
172 /* Deprecated, do not use */
173 #define V4L2_TUNER_ADC  V4L2_TUNER_SDR
174 
175 enum v4l2_memory {
176         V4L2_MEMORY_MMAP             = 1,
177         V4L2_MEMORY_USERPTR          = 2,
178         V4L2_MEMORY_OVERLAY          = 3,
179         V4L2_MEMORY_DMABUF           = 4,
180 };
181 
182 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
183 enum v4l2_colorspace {
184         /*
185          * Default colorspace, i.e. let the driver figure it out.
186          * Can only be used with video capture.
187          */
188         V4L2_COLORSPACE_DEFAULT       = 0,
189 
190         /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
191         V4L2_COLORSPACE_SMPTE170M     = 1,
192 
193         /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
194         V4L2_COLORSPACE_SMPTE240M     = 2,
195 
196         /* Rec.709: used for HDTV */
197         V4L2_COLORSPACE_REC709        = 3,
198 
199         /*
200          * Deprecated, do not use. No driver will ever return this. This was
201          * based on a misunderstanding of the bt878 datasheet.
202          */
203         V4L2_COLORSPACE_BT878         = 4,
204 
205         /*
206          * NTSC 1953 colorspace. This only makes sense when dealing with
207          * really, really old NTSC recordings. Superseded by SMPTE 170M.
208          */
209         V4L2_COLORSPACE_470_SYSTEM_M  = 5,
210 
211         /*
212          * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
213          * dealing with really old PAL/SECAM recordings. Superseded by
214          * SMPTE 170M.
215          */
216         V4L2_COLORSPACE_470_SYSTEM_BG = 6,
217 
218         /*
219          * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
220          * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
221          */
222         V4L2_COLORSPACE_JPEG          = 7,
223 
224         /* For RGB colorspaces such as produces by most webcams. */
225         V4L2_COLORSPACE_SRGB          = 8,
226 
227         /* AdobeRGB colorspace */
228         V4L2_COLORSPACE_ADOBERGB      = 9,
229 
230         /* BT.2020 colorspace, used for UHDTV. */
231         V4L2_COLORSPACE_BT2020        = 10,
232 
233         /* Raw colorspace: for RAW unprocessed images */
234         V4L2_COLORSPACE_RAW           = 11,
235 
236         /* DCI-P3 colorspace, used by cinema projectors */
237         V4L2_COLORSPACE_DCI_P3        = 12,
238 };
239 
240 /*
241  * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
242  * This depends on whether this is a SDTV image (use SMPTE 170M), an
243  * HDTV image (use Rec. 709), or something else (use sRGB).
244  */
245 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
246         ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
247          ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
248 
249 enum v4l2_xfer_func {
250         /*
251          * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
252          * for the various colorspaces:
253          *
254          * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
255          * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
256          * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
257          *
258          * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
259          *
260          * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
261          *
262          * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
263          *
264          * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
265          *
266          * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
267          */
268         V4L2_XFER_FUNC_DEFAULT     = 0,
269         V4L2_XFER_FUNC_709         = 1,
270         V4L2_XFER_FUNC_SRGB        = 2,
271         V4L2_XFER_FUNC_ADOBERGB    = 3,
272         V4L2_XFER_FUNC_SMPTE240M   = 4,
273         V4L2_XFER_FUNC_NONE        = 5,
274         V4L2_XFER_FUNC_DCI_P3      = 6,
275         V4L2_XFER_FUNC_SMPTE2084   = 7,
276 };
277 
278 /*
279  * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
280  * This depends on the colorspace.
281  */
282 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
283         ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
284          ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
285           ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
286            ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
287             ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
288              V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
289 
290 enum v4l2_ycbcr_encoding {
291         /*
292          * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
293          * various colorspaces:
294          *
295          * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
296          * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
297          * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
298          *
299          * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
300          *
301          * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
302          *
303          * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
304          */
305         V4L2_YCBCR_ENC_DEFAULT        = 0,
306 
307         /* ITU-R 601 -- SDTV */
308         V4L2_YCBCR_ENC_601            = 1,
309 
310         /* Rec. 709 -- HDTV */
311         V4L2_YCBCR_ENC_709            = 2,
312 
313         /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
314         V4L2_YCBCR_ENC_XV601          = 3,
315 
316         /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
317         V4L2_YCBCR_ENC_XV709          = 4,
318 
319 #ifndef __KERNEL__
320         /*
321          * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
322          * originally due to a misunderstanding of the sYCC standard. It should
323          * not be used, instead use V4L2_YCBCR_ENC_601.
324          */
325         V4L2_YCBCR_ENC_SYCC           = 5,
326 #endif
327 
328         /* BT.2020 Non-constant Luminance Y'CbCr */
329         V4L2_YCBCR_ENC_BT2020         = 6,
330 
331         /* BT.2020 Constant Luminance Y'CbcCrc */
332         V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
333 
334         /* SMPTE 240M -- Obsolete HDTV */
335         V4L2_YCBCR_ENC_SMPTE240M      = 8,
336 };
337 
338 /*
339  * enum v4l2_hsv_encoding values should not collide with the ones from
340  * enum v4l2_ycbcr_encoding.
341  */
342 enum v4l2_hsv_encoding {
343 
344         /* Hue mapped to 0 - 179 */
345         V4L2_HSV_ENC_180                = 128,
346 
347         /* Hue mapped to 0-255 */
348         V4L2_HSV_ENC_256                = 129,
349 };
350 
351 /*
352  * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
353  * This depends on the colorspace.
354  */
355 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
356         (((colsp) == V4L2_COLORSPACE_REC709 || \
357           (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
358          ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
359           ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
360            V4L2_YCBCR_ENC_601)))
361 
362 enum v4l2_quantization {
363         /*
364          * The default for R'G'B' quantization is always full range, except
365          * for the BT2020 colorspace. For Y'CbCr the quantization is always
366          * limited range, except for COLORSPACE_JPEG: this is full range.
367          */
368         V4L2_QUANTIZATION_DEFAULT     = 0,
369         V4L2_QUANTIZATION_FULL_RANGE  = 1,
370         V4L2_QUANTIZATION_LIM_RANGE   = 2,
371 };
372 
373 /*
374  * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
375  * This depends on whether the image is RGB or not, the colorspace and the
376  * Y'CbCr encoding.
377  */
378 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
379         (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
380          V4L2_QUANTIZATION_LIM_RANGE : \
381          (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
382          V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
383 
384 enum v4l2_priority {
385         V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
386         V4L2_PRIORITY_BACKGROUND  = 1,
387         V4L2_PRIORITY_INTERACTIVE = 2,
388         V4L2_PRIORITY_RECORD      = 3,
389         V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
390 };
391 
392 struct v4l2_rect {
393         __s32   left;
394         __s32   top;
395         __u32   width;
396         __u32   height;
397 };
398 
399 struct v4l2_fract {
400         __u32   numerator;
401         __u32   denominator;
402 };
403 
404 /**
405   * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
406   *
407   * @driver:       name of the driver module (e.g. "bttv")
408   * @card:         name of the card (e.g. "Hauppauge WinTV")
409   * @bus_info:     name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
410   * @version:      KERNEL_VERSION
411   * @capabilities: capabilities of the physical device as a whole
412   * @device_caps:  capabilities accessed via this particular device (node)
413   * @reserved:     reserved fields for future extensions
414   */
415 struct v4l2_capability {
416         __u8    driver[16];
417         __u8    card[32];
418         __u8    bus_info[32];
419         __u32   version;
420         __u32   capabilities;
421         __u32   device_caps;
422         __u32   reserved[3];
423 };
424 
425 /* Values for 'capabilities' field */
426 #define V4L2_CAP_VIDEO_CAPTURE          0x00000001  /* Is a video capture device */
427 #define V4L2_CAP_VIDEO_OUTPUT           0x00000002  /* Is a video output device */
428 #define V4L2_CAP_VIDEO_OVERLAY          0x00000004  /* Can do video overlay */
429 #define V4L2_CAP_VBI_CAPTURE            0x00000010  /* Is a raw VBI capture device */
430 #define V4L2_CAP_VBI_OUTPUT             0x00000020  /* Is a raw VBI output device */
431 #define V4L2_CAP_SLICED_VBI_CAPTURE     0x00000040  /* Is a sliced VBI capture device */
432 #define V4L2_CAP_SLICED_VBI_OUTPUT      0x00000080  /* Is a sliced VBI output device */
433 #define V4L2_CAP_RDS_CAPTURE            0x00000100  /* RDS data capture */
434 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY   0x00000200  /* Can do video output overlay */
435 #define V4L2_CAP_HW_FREQ_SEEK           0x00000400  /* Can do hardware frequency seek  */
436 #define V4L2_CAP_RDS_OUTPUT             0x00000800  /* Is an RDS encoder */
437 
438 /* Is a video capture device that supports multiplanar formats */
439 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE   0x00001000
440 /* Is a video output device that supports multiplanar formats */
441 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE    0x00002000
442 /* Is a video mem-to-mem device that supports multiplanar formats */
443 #define V4L2_CAP_VIDEO_M2M_MPLANE       0x00004000
444 /* Is a video mem-to-mem device */
445 #define V4L2_CAP_VIDEO_M2M              0x00008000
446 
447 #define V4L2_CAP_TUNER                  0x00010000  /* has a tuner */
448 #define V4L2_CAP_AUDIO                  0x00020000  /* has audio support */
449 #define V4L2_CAP_RADIO                  0x00040000  /* is a radio device */
450 #define V4L2_CAP_MODULATOR              0x00080000  /* has a modulator */
451 
452 #define V4L2_CAP_SDR_CAPTURE            0x00100000  /* Is a SDR capture device */
453 #define V4L2_CAP_EXT_PIX_FORMAT         0x00200000  /* Supports the extended pixel format */
454 #define V4L2_CAP_SDR_OUTPUT             0x00400000  /* Is a SDR output device */
455 #define V4L2_CAP_META_CAPTURE           0x00800000  /* Is a metadata capture device */
456 
457 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
458 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
459 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
460 
461 #define V4L2_CAP_TOUCH                  0x10000000  /* Is a touch device */
462 
463 #define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
464 
465 /*
466  *      V I D E O   I M A G E   F O R M A T
467  */
468 struct v4l2_pix_format {
469         __u32                   width;
470         __u32                   height;
471         __u32                   pixelformat;
472         __u32                   field;          /* enum v4l2_field */
473         __u32                   bytesperline;   /* for padding, zero if unused */
474         __u32                   sizeimage;
475         __u32                   colorspace;     /* enum v4l2_colorspace */
476         __u32                   priv;           /* private data, depends on pixelformat */
477         __u32                   flags;          /* format flags (V4L2_PIX_FMT_FLAG_*) */
478         union {
479                 /* enum v4l2_ycbcr_encoding */
480                 __u32                   ycbcr_enc;
481                 /* enum v4l2_hsv_encoding */
482                 __u32                   hsv_enc;
483         };
484         __u32                   quantization;   /* enum v4l2_quantization */
485         __u32                   xfer_func;      /* enum v4l2_xfer_func */
486 };
487 
488 /*      Pixel format         FOURCC                          depth  Description  */
489 
490 /* RGB formats */
491 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
492 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
493 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  aaaarrrr ggggbbbb */
494 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16  xxxxrrrr ggggbbbb */
495 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
496 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */
497 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  XRGB-1-5-5-5  */
498 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
499 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
500 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16  ARGB-5-5-5 BE */
501 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16  XRGB-5-5-5 BE */
502 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
503 #define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6     */
504 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
505 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
506 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
507 #define V4L2_PIX_FMT_ABGR32  v4l2_fourcc('A', 'R', '2', '4') /* 32  BGRA-8-8-8-8  */
508 #define V4L2_PIX_FMT_XBGR32  v4l2_fourcc('X', 'R', '2', '4') /* 32  BGRX-8-8-8-8  */
509 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
510 #define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
511 #define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
512 
513 /* Grey formats */
514 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
515 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '', '4', ' ') /*  4  Greyscale     */
516 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '', '6', ' ') /*  6  Greyscale     */
517 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '', ' ') /* 10  Greyscale     */
518 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
519 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
520 #define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
521 
522 /* Grey bit-packed formats */
523 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '', 'B') /* 10  Greyscale bit-packed */
524 
525 /* Palette formats */
526 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
527 
528 /* Chrominance formats */
529 #define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
530 
531 /* Luminance+Chrominance formats */
532 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
533 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
534 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
535 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
536 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
537 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
538 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
539 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
540 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
541 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
542 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
543 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
544 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
545 
546 /* two planes -- one Y, one Cr + Cb interleaved  */
547 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
548 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
549 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
550 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
551 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
552 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
553 
554 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
555 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
556 #define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
557 #define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
558 #define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
559 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
560 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */
561 
562 /* three planes - Y Cb, Cr */
563 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
564 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
565 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
566 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
567 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
568 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
569 
570 /* three non contiguous planes - Y, Cb, Cr */
571 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
572 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
573 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
574 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
575 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
576 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
577 
578 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
579 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
580 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
581 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
582 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
583 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '') /* 10  BGBG.. GRGR.. */
584 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '') /* 10  GBGB.. RGRG.. */
585 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '') /* 10  GRGR.. BGBG.. */
586 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '') /* 10  RGRG.. GBGB.. */
587         /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
588 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
589 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
590 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
591 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
592         /* 10bit raw bayer a-law compressed to 8 bits */
593 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
594 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
595 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
596 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
597         /* 10bit raw bayer DPCM compressed to 8 bits */
598 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
599 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
600 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '')
601 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
602 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
603 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
604 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
605 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
606 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
607 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
608 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
609 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
610 
611 /* HSV formats */
612 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
613 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
614 
615 /* compressed formats */
616 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
617 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
618 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
619 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
620 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
621 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
622 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
623 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
624 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
625 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
626 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
627 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
628 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
629 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
630 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '') /* VP8 */
631 #define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '') /* VP9 */
632 
633 /*  Vendor-specific formats   */
634 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
635 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
636 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '') /* SN9C10x compression */
637 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '') /* SN9C20x YUV 4:2:0 */
638 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
639 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
640 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
641 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '', '1') /* YUYV per line */
642 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '', '5') /* YYUV per line */
643 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '', '8') /* YUVY per line */
644 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
645 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '', '7') /* compressed BGGR bayer */
646 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '') /* compressed BGGR bayer */
647 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '') /* compressed RGGB bayer */
648 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
649 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '', '5', 'C') /* compressed RGGB bayer */
650 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
651 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
652 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
653 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '') /* stv0680 bayer */
654 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '') /* tm5600/tm60x0 */
655 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
656 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
657 #define V4L2_PIX_FMT_JPGL       v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
658 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '', '1') /* se401 janggu compressed rgb */
659 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
660 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
661 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
662 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
663 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
664 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
665 
666 /* SDR formats - used only for Software Defined Radio devices */
667 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '', '8') /* IQ u8 */
668 #define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
669 #define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '', '8') /* complex s8 */
670 #define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
671 #define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
672 
673 /* Touch formats - used for Touch devices */
674 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
675 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '', '8') /* 8-bit signed deltas */
676 #define V4L2_TCH_FMT_TU16       v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
677 #define V4L2_TCH_FMT_TU08       v4l2_fourcc('T', 'U', '', '8') /* 8-bit unsigned touch data */
678 
679 /* Meta-data formats */
680 #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
681 #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
682 
683 /* priv field value to indicates that subsequent fields are valid. */
684 #define V4L2_PIX_FMT_PRIV_MAGIC         0xfeedcafe
685 
686 /* Flags */
687 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA  0x00000001
688 
689 /*
690  *      F O R M A T   E N U M E R A T I O N
691  */
692 struct v4l2_fmtdesc {
693         __u32               index;             /* Format number      */
694         __u32               type;              /* enum v4l2_buf_type */
695         __u32               flags;
696         __u8                description[32];   /* Description string */
697         __u32               pixelformat;       /* Format fourcc      */
698         __u32               reserved[4];
699 };
700 
701 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
702 #define V4L2_FMT_FLAG_EMULATED   0x0002
703 
704         /* Frame Size and frame rate enumeration */
705 /*
706  *      F R A M E   S I Z E   E N U M E R A T I O N
707  */
708 enum v4l2_frmsizetypes {
709         V4L2_FRMSIZE_TYPE_DISCRETE      = 1,
710         V4L2_FRMSIZE_TYPE_CONTINUOUS    = 2,
711         V4L2_FRMSIZE_TYPE_STEPWISE      = 3,
712 };
713 
714 struct v4l2_frmsize_discrete {
715         __u32                   width;          /* Frame width [pixel] */
716         __u32                   height;         /* Frame height [pixel] */
717 };
718 
719 struct v4l2_frmsize_stepwise {
720         __u32                   min_width;      /* Minimum frame width [pixel] */
721         __u32                   max_width;      /* Maximum frame width [pixel] */
722         __u32                   step_width;     /* Frame width step size [pixel] */
723         __u32                   min_height;     /* Minimum frame height [pixel] */
724         __u32                   max_height;     /* Maximum frame height [pixel] */
725         __u32                   step_height;    /* Frame height step size [pixel] */
726 };
727 
728 struct v4l2_frmsizeenum {
729         __u32                   index;          /* Frame size number */
730         __u32                   pixel_format;   /* Pixel format */
731         __u32                   type;           /* Frame size type the device supports. */
732 
733         union {                                 /* Frame size */
734                 struct v4l2_frmsize_discrete    discrete;
735                 struct v4l2_frmsize_stepwise    stepwise;
736         };
737 
738         __u32   reserved[2];                    /* Reserved space for future use */
739 };
740 
741 /*
742  *      F R A M E   R A T E   E N U M E R A T I O N
743  */
744 enum v4l2_frmivaltypes {
745         V4L2_FRMIVAL_TYPE_DISCRETE      = 1,
746         V4L2_FRMIVAL_TYPE_CONTINUOUS    = 2,
747         V4L2_FRMIVAL_TYPE_STEPWISE      = 3,
748 };
749 
750 struct v4l2_frmival_stepwise {
751         struct v4l2_fract       min;            /* Minimum frame interval [s] */
752         struct v4l2_fract       max;            /* Maximum frame interval [s] */
753         struct v4l2_fract       step;           /* Frame interval step size [s] */
754 };
755 
756 struct v4l2_frmivalenum {
757         __u32                   index;          /* Frame format index */
758         __u32                   pixel_format;   /* Pixel format */
759         __u32                   width;          /* Frame width */
760         __u32                   height;         /* Frame height */
761         __u32                   type;           /* Frame interval type the device supports. */
762 
763         union {                                 /* Frame interval */
764                 struct v4l2_fract               discrete;
765                 struct v4l2_frmival_stepwise    stepwise;
766         };
767 
768         __u32   reserved[2];                    /* Reserved space for future use */
769 };
770 
771 /*
772  *      T I M E C O D E
773  */
774 struct v4l2_timecode {
775         __u32   type;
776         __u32   flags;
777         __u8    frames;
778         __u8    seconds;
779         __u8    minutes;
780         __u8    hours;
781         __u8    userbits[4];
782 };
783 
784 /*  Type  */
785 #define V4L2_TC_TYPE_24FPS              1
786 #define V4L2_TC_TYPE_25FPS              2
787 #define V4L2_TC_TYPE_30FPS              3
788 #define V4L2_TC_TYPE_50FPS              4
789 #define V4L2_TC_TYPE_60FPS              5
790 
791 /*  Flags  */
792 #define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
793 #define V4L2_TC_FLAG_COLORFRAME         0x0002
794 #define V4L2_TC_USERBITS_field          0x000C
795 #define V4L2_TC_USERBITS_USERDEFINED    0x0000
796 #define V4L2_TC_USERBITS_8BITCHARS      0x0008
797 /* The above is based on SMPTE timecodes */
798 
799 struct v4l2_jpegcompression {
800         int quality;
801 
802         int  APPn;              /* Number of APP segment to be written,
803                                  * must be 0..15 */
804         int  APP_len;           /* Length of data in JPEG APPn segment */
805         char APP_data[60];      /* Data in the JPEG APPn segment. */
806 
807         int  COM_len;           /* Length of data in JPEG COM segment */
808         char COM_data[60];      /* Data in JPEG COM segment */
809 
810         __u32 jpeg_markers;     /* Which markers should go into the JPEG
811                                  * output. Unless you exactly know what
812                                  * you do, leave them untouched.
813                                  * Including less markers will make the
814                                  * resulting code smaller, but there will
815                                  * be fewer applications which can read it.
816                                  * The presence of the APP and COM marker
817                                  * is influenced by APP_len and COM_len
818                                  * ONLY, not by this property! */
819 
820 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
821 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
822 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
823 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
824 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
825                                         * always use APP0 */
826 };
827 
828 /*
829  *      M E M O R Y - M A P P I N G   B U F F E R S
830  */
831 struct v4l2_requestbuffers {
832         __u32                   count;
833         __u32                   type;           /* enum v4l2_buf_type */
834         __u32                   memory;         /* enum v4l2_memory */
835         __u32                   reserved[2];
836 };
837 
838 /**
839  * struct v4l2_plane - plane info for multi-planar buffers
840  * @bytesused:          number of bytes occupied by data in the plane (payload)
841  * @length:             size of this plane (NOT the payload) in bytes
842  * @mem_offset:         when memory in the associated struct v4l2_buffer is
843  *                      V4L2_MEMORY_MMAP, equals the offset from the start of
844  *                      the device memory for this plane (or is a "cookie" that
845  *                      should be passed to mmap() called on the video node)
846  * @userptr:            when memory is V4L2_MEMORY_USERPTR, a userspace pointer
847  *                      pointing to this plane
848  * @fd:                 when memory is V4L2_MEMORY_DMABUF, a userspace file
849  *                      descriptor associated with this plane
850  * @data_offset:        offset in the plane to the start of data; usually 0,
851  *                      unless there is a header in front of the data
852  *
853  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
854  * with two planes can have one plane for Y, and another for interleaved CbCr
855  * components. Each plane can reside in a separate memory buffer, or even in
856  * a completely separate memory node (e.g. in embedded devices).
857  */
858 struct v4l2_plane {
859         __u32                   bytesused;
860         __u32                   length;
861         union {
862                 __u32           mem_offset;
863                 unsigned long   userptr;
864                 __s32           fd;
865         } m;
866         __u32                   data_offset;
867         __u32                   reserved[11];
868 };
869 
870 /**
871  * struct v4l2_buffer - video buffer info
872  * @index:      id number of the buffer
873  * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
874  *              multiplanar buffers);
875  * @bytesused:  number of bytes occupied by data in the buffer (payload);
876  *              unused (set to 0) for multiplanar buffers
877  * @flags:      buffer informational flags
878  * @field:      enum v4l2_field; field order of the image in the buffer
879  * @timestamp:  frame timestamp
880  * @timecode:   frame timecode
881  * @sequence:   sequence count of this frame
882  * @memory:     enum v4l2_memory; the method, in which the actual video data is
883  *              passed
884  * @offset:     for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
885  *              offset from the start of the device memory for this plane,
886  *              (or a "cookie" that should be passed to mmap() as offset)
887  * @userptr:    for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
888  *              a userspace pointer pointing to this buffer
889  * @fd:         for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
890  *              a userspace file descriptor associated with this buffer
891  * @planes:     for multiplanar buffers; userspace pointer to the array of plane
892  *              info structs for this buffer
893  * @length:     size in bytes of the buffer (NOT its payload) for single-plane
894  *              buffers (when type != *_MPLANE); number of elements in the
895  *              planes array for multi-plane buffers
896  *
897  * Contains data exchanged by application and driver using one of the Streaming
898  * I/O methods.
899  */
900 struct v4l2_buffer {
901         __u32                   index;
902         __u32                   type;
903         __u32                   bytesused;
904         __u32                   flags;
905         __u32                   field;
906         struct timeval          timestamp;
907         struct v4l2_timecode    timecode;
908         __u32                   sequence;
909 
910         /* memory location */
911         __u32                   memory;
912         union {
913                 __u32           offset;
914                 unsigned long   userptr;
915                 struct v4l2_plane *planes;
916                 __s32           fd;
917         } m;
918         __u32                   length;
919         __u32                   reserved2;
920         __u32                   reserved;
921 };
922 
923 /*  Flags for 'flags' field */
924 /* Buffer is mapped (flag) */
925 #define V4L2_BUF_FLAG_MAPPED                    0x00000001
926 /* Buffer is queued for processing */
927 #define V4L2_BUF_FLAG_QUEUED                    0x00000002
928 /* Buffer is ready */
929 #define V4L2_BUF_FLAG_DONE                      0x00000004
930 /* Image is a keyframe (I-frame) */
931 #define V4L2_BUF_FLAG_KEYFRAME                  0x00000008
932 /* Image is a P-frame */
933 #define V4L2_BUF_FLAG_PFRAME                    0x00000010
934 /* Image is a B-frame */
935 #define V4L2_BUF_FLAG_BFRAME                    0x00000020
936 /* Buffer is ready, but the data contained within is corrupted. */
937 #define V4L2_BUF_FLAG_ERROR                     0x00000040
938 /* timecode field is valid */
939 #define V4L2_BUF_FLAG_TIMECODE                  0x00000100
940 /* Buffer is prepared for queuing */
941 #define V4L2_BUF_FLAG_PREPARED                  0x00000400
942 /* Cache handling flags */
943 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE       0x00000800
944 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN            0x00001000
945 /* Timestamp type */
946 #define V4L2_BUF_FLAG_TIMESTAMP_MASK            0x0000e000
947 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN         0x00000000
948 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC       0x00002000
949 #define V4L2_BUF_FLAG_TIMESTAMP_COPY            0x00004000
950 /* Timestamp sources. */
951 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK           0x00070000
952 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF            0x00000000
953 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE            0x00010000
954 /* mem2mem encoder/decoder */
955 #define V4L2_BUF_FLAG_LAST                      0x00100000
956 
957 /**
958  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
959  *
960  * @index:      id number of the buffer
961  * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
962  *              multiplanar buffers);
963  * @plane:      index of the plane to be exported, 0 for single plane queues
964  * @flags:      flags for newly created file, currently only O_CLOEXEC is
965  *              supported, refer to manual of open syscall for more details
966  * @fd:         file descriptor associated with DMABUF (set by driver)
967  *
968  * Contains data used for exporting a video buffer as DMABUF file descriptor.
969  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
970  * (identical to the cookie used to mmap() the buffer to userspace). All
971  * reserved fields must be set to zero. The field reserved0 is expected to
972  * become a structure 'type' allowing an alternative layout of the structure
973  * content. Therefore this field should not be used for any other extensions.
974  */
975 struct v4l2_exportbuffer {
976         __u32           type; /* enum v4l2_buf_type */
977         __u32           index;
978         __u32           plane;
979         __u32           flags;
980         __s32           fd;
981         __u32           reserved[11];
982 };
983 
984 /*
985  *      O V E R L A Y   P R E V I E W
986  */
987 struct v4l2_framebuffer {
988         __u32                   capability;
989         __u32                   flags;
990 /* FIXME: in theory we should pass something like PCI device + memory
991  * region + offset instead of some physical address */
992         void                    *base;
993         struct {
994                 __u32           width;
995                 __u32           height;
996                 __u32           pixelformat;
997                 __u32           field;          /* enum v4l2_field */
998                 __u32           bytesperline;   /* for padding, zero if unused */
999                 __u32           sizeimage;
1000                 __u32           colorspace;     /* enum v4l2_colorspace */
1001                 __u32           priv;           /* reserved field, set to 0 */
1002         } fmt;
1003 };
1004 /*  Flags for the 'capability' field. Read only */
1005 #define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
1006 #define V4L2_FBUF_CAP_CHROMAKEY         0x0002
1007 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
1008 #define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
1009 #define V4L2_FBUF_CAP_LOCAL_ALPHA       0x0010
1010 #define V4L2_FBUF_CAP_GLOBAL_ALPHA      0x0020
1011 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA   0x0040
1012 #define V4L2_FBUF_CAP_SRC_CHROMAKEY     0x0080
1013 /*  Flags for the 'flags' field. */
1014 #define V4L2_FBUF_FLAG_PRIMARY          0x0001
1015 #define V4L2_FBUF_FLAG_OVERLAY          0x0002
1016 #define V4L2_FBUF_FLAG_CHROMAKEY        0x0004
1017 #define V4L2_FBUF_FLAG_LOCAL_ALPHA      0x0008
1018 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA     0x0010
1019 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA  0x0020
1020 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY    0x0040
1021 
1022 struct v4l2_clip {
1023         struct v4l2_rect        c;
1024         struct v4l2_clip        __user *next;
1025 };
1026 
1027 struct v4l2_window {
1028         struct v4l2_rect        w;
1029         __u32                   field;   /* enum v4l2_field */
1030         __u32                   chromakey;
1031         struct v4l2_clip        __user *clips;
1032         __u32                   clipcount;
1033         void                    __user *bitmap;
1034         __u8                    global_alpha;
1035 };
1036 
1037 /*
1038  *      C A P T U R E   P A R A M E T E R S
1039  */
1040 struct v4l2_captureparm {
1041         __u32              capability;    /*  Supported modes */
1042         __u32              capturemode;   /*  Current mode */
1043         struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
1044         __u32              extendedmode;  /*  Driver-specific extensions */
1045         __u32              readbuffers;   /*  # of buffers for read */
1046         __u32              reserved[4];
1047 };
1048 
1049 /*  Flags for 'capability' and 'capturemode' fields */
1050 #define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
1051 #define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */
1052 
1053 struct v4l2_outputparm {
1054         __u32              capability;   /*  Supported modes */
1055         __u32              outputmode;   /*  Current mode */
1056         struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
1057         __u32              extendedmode; /*  Driver-specific extensions */
1058         __u32              writebuffers; /*  # of buffers for write */
1059         __u32              reserved[4];
1060 };
1061 
1062 /*
1063  *      I N P U T   I M A G E   C R O P P I N G
1064  */
1065 struct v4l2_cropcap {
1066         __u32                   type;   /* enum v4l2_buf_type */
1067         struct v4l2_rect        bounds;
1068         struct v4l2_rect        defrect;
1069         struct v4l2_fract       pixelaspect;
1070 };
1071 
1072 struct v4l2_crop {
1073         __u32                   type;   /* enum v4l2_buf_type */
1074         struct v4l2_rect        c;
1075 };
1076 
1077 /**
1078  * struct v4l2_selection - selection info
1079  * @type:       buffer type (do not use *_MPLANE types)
1080  * @target:     Selection target, used to choose one of possible rectangles;
1081  *              defined in v4l2-common.h; V4L2_SEL_TGT_* .
1082  * @flags:      constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1083  * @r:          coordinates of selection window
1084  * @reserved:   for future use, rounds structure size to 64 bytes, set to zero
1085  *
1086  * Hardware may use multiple helper windows to process a video stream.
1087  * The structure is used to exchange this selection areas between
1088  * an application and a driver.
1089  */
1090 struct v4l2_selection {
1091         __u32                   type;
1092         __u32                   target;
1093         __u32                   flags;
1094         struct v4l2_rect        r;
1095         __u32                   reserved[9];
1096 };
1097 
1098 
1099 /*
1100  *      A N A L O G   V I D E O   S T A N D A R D
1101  */
1102 
1103 typedef __u64 v4l2_std_id;
1104 
1105 /* one bit for each */
1106 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
1107 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
1108 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
1109 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
1110 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
1111 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
1112 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
1113 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
1114 
1115 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
1116 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
1117 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
1118 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
1119 
1120 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)       /* BTSC */
1121 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)       /* EIA-J */
1122 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
1123 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)       /* FM A2 */
1124 
1125 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
1126 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
1127 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
1128 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
1129 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
1130 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
1131 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
1132 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
1133 
1134 /* ATSC/HDTV */
1135 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
1136 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
1137 
1138 /* FIXME:
1139    Although std_id is 64 bits, there is an issue on PPC32 architecture that
1140    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1141    this value to 32 bits.
1142    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1143    it should work fine. However, if needed to add more than two standards,
1144    v4l2-common.c should be fixed.
1145  */
1146 
1147 /*
1148  * Some macros to merge video standards in order to make live easier for the
1149  * drivers and V4L2 applications
1150  */
1151 
1152 /*
1153  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1154  * Missing here.
1155  */
1156 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
1157                                  V4L2_STD_NTSC_M_JP     |\
1158                                  V4L2_STD_NTSC_M_KR)
1159 /* Secam macros */
1160 #define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D       |\
1161                                  V4L2_STD_SECAM_K       |\
1162                                  V4L2_STD_SECAM_K1)
1163 /* All Secam Standards */
1164 #define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
1165                                  V4L2_STD_SECAM_G       |\
1166                                  V4L2_STD_SECAM_H       |\
1167                                  V4L2_STD_SECAM_DK      |\
1168                                  V4L2_STD_SECAM_L       |\
1169                                  V4L2_STD_SECAM_LC)
1170 /* PAL macros */
1171 #define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
1172                                  V4L2_STD_PAL_B1        |\
1173                                  V4L2_STD_PAL_G)
1174 #define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
1175                                  V4L2_STD_PAL_D1        |\
1176                                  V4L2_STD_PAL_K)
1177 /*
1178  * "Common" PAL - This macro is there to be compatible with the old
1179  * V4L1 concept of "PAL": /BGDKHI.
1180  * Several PAL standards are missing here: /M, /N and /Nc
1181  */
1182 #define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
1183                                  V4L2_STD_PAL_DK        |\
1184                                  V4L2_STD_PAL_H         |\
1185                                  V4L2_STD_PAL_I)
1186 /* Chroma "agnostic" standards */
1187 #define V4L2_STD_B              (V4L2_STD_PAL_B         |\
1188                                  V4L2_STD_PAL_B1        |\
1189                                  V4L2_STD_SECAM_B)
1190 #define V4L2_STD_G              (V4L2_STD_PAL_G         |\
1191                                  V4L2_STD_SECAM_G)
1192 #define V4L2_STD_H              (V4L2_STD_PAL_H         |\
1193                                  V4L2_STD_SECAM_H)
1194 #define V4L2_STD_L              (V4L2_STD_SECAM_L       |\
1195                                  V4L2_STD_SECAM_LC)
1196 #define V4L2_STD_GH             (V4L2_STD_G             |\
1197                                  V4L2_STD_H)
1198 #define V4L2_STD_DK             (V4L2_STD_PAL_DK        |\
1199                                  V4L2_STD_SECAM_DK)
1200 #define V4L2_STD_BG             (V4L2_STD_B             |\
1201                                  V4L2_STD_G)
1202 #define V4L2_STD_MN             (V4L2_STD_PAL_M         |\
1203                                  V4L2_STD_PAL_N         |\
1204                                  V4L2_STD_PAL_Nc        |\
1205                                  V4L2_STD_NTSC)
1206 
1207 /* Standards where MTS/BTSC stereo could be found */
1208 #define V4L2_STD_MTS            (V4L2_STD_NTSC_M        |\
1209                                  V4L2_STD_PAL_M         |\
1210                                  V4L2_STD_PAL_N         |\
1211                                  V4L2_STD_PAL_Nc)
1212 
1213 /* Standards for Countries with 60Hz Line frequency */
1214 #define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
1215                                  V4L2_STD_PAL_60        |\
1216                                  V4L2_STD_NTSC          |\
1217                                  V4L2_STD_NTSC_443)
1218 /* Standards for Countries with 50Hz Line frequency */
1219 #define V4L2_STD_625_50         (V4L2_STD_PAL           |\
1220                                  V4L2_STD_PAL_N         |\
1221                                  V4L2_STD_PAL_Nc        |\
1222                                  V4L2_STD_SECAM)
1223 
1224 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
1225                                  V4L2_STD_ATSC_16_VSB)
1226 /* Macros with none and all analog standards */
1227 #define V4L2_STD_UNKNOWN        0
1228 #define V4L2_STD_ALL            (V4L2_STD_525_60        |\
1229                                  V4L2_STD_625_50)
1230 
1231 struct v4l2_standard {
1232         __u32                index;
1233         v4l2_std_id          id;
1234         __u8                 name[24];
1235         struct v4l2_fract    frameperiod; /* Frames, not fields */
1236         __u32                framelines;
1237         __u32                reserved[4];
1238 };
1239 
1240 /*
1241  *      D V     B T     T I M I N G S
1242  */
1243 
1244 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1245  * @width:      total width of the active video in pixels
1246  * @height:     total height of the active video in lines
1247  * @interlaced: Interlaced or progressive
1248  * @polarities: Positive or negative polarities
1249  * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1250  * @hfrontporch:Horizontal front porch in pixels
1251  * @hsync:      Horizontal Sync length in pixels
1252  * @hbackporch: Horizontal back porch in pixels
1253  * @vfrontporch:Vertical front porch in lines
1254  * @vsync:      Vertical Sync length in lines
1255  * @vbackporch: Vertical back porch in lines
1256  * @il_vfrontporch:Vertical front porch for the even field
1257  *              (aka field 2) of interlaced field formats
1258  * @il_vsync:   Vertical Sync length for the even field
1259  *              (aka field 2) of interlaced field formats
1260  * @il_vbackporch:Vertical back porch for the even field
1261  *              (aka field 2) of interlaced field formats
1262  * @standards:  Standards the timing belongs to
1263  * @flags:      Flags
1264  * @picture_aspect: The picture aspect ratio (hor/vert).
1265  * @cea861_vic: VIC code as per the CEA-861 standard.
1266  * @hdmi_vic:   VIC code as per the HDMI standard.
1267  * @reserved:   Reserved fields, must be zeroed.
1268  *
1269  * A note regarding vertical interlaced timings: height refers to the total
1270  * height of the active video frame (= two fields). The blanking timings refer
1271  * to the blanking of each field. So the height of the total frame is
1272  * calculated as follows:
1273  *
1274  * tot_height = height + vfrontporch + vsync + vbackporch +
1275  *                       il_vfrontporch + il_vsync + il_vbackporch
1276  *
1277  * The active height of each field is height / 2.
1278  */
1279 struct v4l2_bt_timings {
1280         __u32   width;
1281         __u32   height;
1282         __u32   interlaced;
1283         __u32   polarities;
1284         __u64   pixelclock;
1285         __u32   hfrontporch;
1286         __u32   hsync;
1287         __u32   hbackporch;
1288         __u32   vfrontporch;
1289         __u32   vsync;
1290         __u32   vbackporch;
1291         __u32   il_vfrontporch;
1292         __u32   il_vsync;
1293         __u32   il_vbackporch;
1294         __u32   standards;
1295         __u32   flags;
1296         struct v4l2_fract picture_aspect;
1297         __u8    cea861_vic;
1298         __u8    hdmi_vic;
1299         __u8    reserved[46];
1300 } __attribute__ ((packed));
1301 
1302 /* Interlaced or progressive format */
1303 #define V4L2_DV_PROGRESSIVE     0
1304 #define V4L2_DV_INTERLACED      1
1305 
1306 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1307 #define V4L2_DV_VSYNC_POS_POL   0x00000001
1308 #define V4L2_DV_HSYNC_POS_POL   0x00000002
1309 
1310 /* Timings standards */
1311 #define V4L2_DV_BT_STD_CEA861   (1 << 0)  /* CEA-861 Digital TV Profile */
1312 #define V4L2_DV_BT_STD_DMT      (1 << 1)  /* VESA Discrete Monitor Timings */
1313 #define V4L2_DV_BT_STD_CVT      (1 << 2)  /* VESA Coordinated Video Timings */
1314 #define V4L2_DV_BT_STD_GTF      (1 << 3)  /* VESA Generalized Timings Formula */
1315 #define V4L2_DV_BT_STD_SDI      (1 << 4)  /* SDI Timings */
1316 
1317 /* Flags */
1318 
1319 /*
1320  * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1321  * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1322  * intervals are reduced, allowing a higher resolution over the same
1323  * bandwidth. This is a read-only flag.
1324  */
1325 #define V4L2_DV_FL_REDUCED_BLANKING             (1 << 0)
1326 /*
1327  * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1328  * of six. These formats can be optionally played at 1 / 1.001 speed.
1329  * This is a read-only flag.
1330  */
1331 #define V4L2_DV_FL_CAN_REDUCE_FPS               (1 << 1)
1332 /*
1333  * CEA-861 specific: only valid for video transmitters, the flag is cleared
1334  * by receivers.
1335  * If the framerate of the format is a multiple of six, then the pixelclock
1336  * used to set up the transmitter is divided by 1.001 to make it compatible
1337  * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1338  * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1339  * such frequencies, then the flag will also be cleared.
1340  */
1341 #define V4L2_DV_FL_REDUCED_FPS                  (1 << 2)
1342 /*
1343  * Specific to interlaced formats: if set, then field 1 is really one half-line
1344  * longer and field 2 is really one half-line shorter, so each field has
1345  * exactly the same number of half-lines. Whether half-lines can be detected
1346  * or used depends on the hardware.
1347  */
1348 #define V4L2_DV_FL_HALF_LINE                    (1 << 3)
1349 /*
1350  * If set, then this is a Consumer Electronics (CE) video format. Such formats
1351  * differ from other formats (commonly called IT formats) in that if RGB
1352  * encoding is used then by default the RGB values use limited range (i.e.
1353  * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1354  * except for the 640x480 format are CE formats.
1355  */
1356 #define V4L2_DV_FL_IS_CE_VIDEO                  (1 << 4)
1357 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1358  * total height. For these formats, if this flag is set, the first
1359  * field has the extra line. If not, it is the second field.
1360  */
1361 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE       (1 << 5)
1362 /*
1363  * If set, then the picture_aspect field is valid. Otherwise assume that the
1364  * pixels are square, so the picture aspect ratio is the same as the width to
1365  * height ratio.
1366  */
1367 #define V4L2_DV_FL_HAS_PICTURE_ASPECT           (1 << 6)
1368 /*
1369  * If set, then the cea861_vic field is valid and contains the Video
1370  * Identification Code as per the CEA-861 standard.
1371  */
1372 #define V4L2_DV_FL_HAS_CEA861_VIC               (1 << 7)
1373 /*
1374  * If set, then the hdmi_vic field is valid and contains the Video
1375  * Identification Code as per the HDMI standard (HDMI Vendor Specific
1376  * InfoFrame).
1377  */
1378 #define V4L2_DV_FL_HAS_HDMI_VIC                 (1 << 8)
1379 
1380 /* A few useful defines to calculate the total blanking and frame sizes */
1381 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1382         ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1383 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1384         ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1385 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1386         ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1387          (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1388 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1389         ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1390 
1391 /** struct v4l2_dv_timings - DV timings
1392  * @type:       the type of the timings
1393  * @bt: BT656/1120 timings
1394  */
1395 struct v4l2_dv_timings {
1396         __u32 type;
1397         union {
1398                 struct v4l2_bt_timings  bt;
1399                 __u32   reserved[32];
1400         };
1401 } __attribute__ ((packed));
1402 
1403 /* Values for the type field */
1404 #define V4L2_DV_BT_656_1120     0       /* BT.656/1120 timing type */
1405 
1406 
1407 /** struct v4l2_enum_dv_timings - DV timings enumeration
1408  * @index:      enumeration index
1409  * @pad:        the pad number for which to enumerate timings (used with
1410  *              v4l-subdev nodes only)
1411  * @reserved:   must be zeroed
1412  * @timings:    the timings for the given index
1413  */
1414 struct v4l2_enum_dv_timings {
1415         __u32 index;
1416         __u32 pad;
1417         __u32 reserved[2];
1418         struct v4l2_dv_timings timings;
1419 };
1420 
1421 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1422  * @min_width:          width in pixels
1423  * @max_width:          width in pixels
1424  * @min_height:         height in lines
1425  * @max_height:         height in lines
1426  * @min_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1427  * @max_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1428  * @standards:          Supported standards
1429  * @capabilities:       Supported capabilities
1430  * @reserved:           Must be zeroed
1431  */
1432 struct v4l2_bt_timings_cap {
1433         __u32   min_width;
1434         __u32   max_width;
1435         __u32   min_height;
1436         __u32   max_height;
1437         __u64   min_pixelclock;
1438         __u64   max_pixelclock;
1439         __u32   standards;
1440         __u32   capabilities;
1441         __u32   reserved[16];
1442 } __attribute__ ((packed));
1443 
1444 /* Supports interlaced formats */
1445 #define V4L2_DV_BT_CAP_INTERLACED       (1 << 0)
1446 /* Supports progressive formats */
1447 #define V4L2_DV_BT_CAP_PROGRESSIVE      (1 << 1)
1448 /* Supports CVT/GTF reduced blanking */
1449 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1450 /* Supports custom formats */
1451 #define V4L2_DV_BT_CAP_CUSTOM           (1 << 3)
1452 
1453 /** struct v4l2_dv_timings_cap - DV timings capabilities
1454  * @type:       the type of the timings (same as in struct v4l2_dv_timings)
1455  * @pad:        the pad number for which to query capabilities (used with
1456  *              v4l-subdev nodes only)
1457  * @bt:         the BT656/1120 timings capabilities
1458  */
1459 struct v4l2_dv_timings_cap {
1460         __u32 type;
1461         __u32 pad;
1462         __u32 reserved[2];
1463         union {
1464                 struct v4l2_bt_timings_cap bt;
1465                 __u32 raw_data[32];
1466         };
1467 };
1468 
1469 
1470 /*
1471  *      V I D E O   I N P U T S
1472  */
1473 struct v4l2_input {
1474         __u32        index;             /*  Which input */
1475         __u8         name[32];          /*  Label */
1476         __u32        type;              /*  Type of input */
1477         __u32        audioset;          /*  Associated audios (bitfield) */
1478         __u32        tuner;             /*  enum v4l2_tuner_type */
1479         v4l2_std_id  std;
1480         __u32        status;
1481         __u32        capabilities;
1482         __u32        reserved[3];
1483 };
1484 
1485 /*  Values for the 'type' field */
1486 #define V4L2_INPUT_TYPE_TUNER           1
1487 #define V4L2_INPUT_TYPE_CAMERA          2
1488 #define V4L2_INPUT_TYPE_TOUCH           3
1489 
1490 /* field 'status' - general */
1491 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1492 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
1493 #define V4L2_IN_ST_NO_COLOR    0x00000004
1494 
1495 /* field 'status' - sensor orientation */
1496 /* If sensor is mounted upside down set both bits */
1497 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1498 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1499 
1500 /* field 'status' - analog */
1501 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1502 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1503 #define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
1504 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
1505 
1506 /* field 'status' - digital */
1507 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1508 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1509 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1510 
1511 /* field 'status' - VCR and set-top box */
1512 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1513 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1514 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1515 
1516 /* capabilities flags */
1517 #define V4L2_IN_CAP_DV_TIMINGS          0x00000002 /* Supports S_DV_TIMINGS */
1518 #define V4L2_IN_CAP_CUSTOM_TIMINGS      V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1519 #define V4L2_IN_CAP_STD                 0x00000004 /* Supports S_STD */
1520 #define V4L2_IN_CAP_NATIVE_SIZE         0x00000008 /* Supports setting native size */
1521 
1522 /*
1523  *      V I D E O   O U T P U T S
1524  */
1525 struct v4l2_output {
1526         __u32        index;             /*  Which output */
1527         __u8         name[32];          /*  Label */
1528         __u32        type;              /*  Type of output */
1529         __u32        audioset;          /*  Associated audios (bitfield) */
1530         __u32        modulator;         /*  Associated modulator */
1531         v4l2_std_id  std;
1532         __u32        capabilities;
1533         __u32        reserved[3];
1534 };
1535 /*  Values for the 'type' field */
1536 #define V4L2_OUTPUT_TYPE_MODULATOR              1
1537 #define V4L2_OUTPUT_TYPE_ANALOG                 2
1538 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3
1539 
1540 /* capabilities flags */
1541 #define V4L2_OUT_CAP_DV_TIMINGS         0x00000002 /* Supports S_DV_TIMINGS */
1542 #define V4L2_OUT_CAP_CUSTOM_TIMINGS     V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1543 #define V4L2_OUT_CAP_STD                0x00000004 /* Supports S_STD */
1544 #define V4L2_OUT_CAP_NATIVE_SIZE        0x00000008 /* Supports setting native size */
1545 
1546 /*
1547  *      C O N T R O L S
1548  */
1549 struct v4l2_control {
1550         __u32                id;
1551         __s32                value;
1552 };
1553 
1554 struct v4l2_ext_control {
1555         __u32 id;
1556         __u32 size;
1557         __u32 reserved2[1];
1558         union {
1559                 __s32 value;
1560                 __s64 value64;
1561                 char __user *string;
1562                 __u8 __user *p_u8;
1563                 __u16 __user *p_u16;
1564                 __u32 __user *p_u32;
1565                 void __user *ptr;
1566         };
1567 } __attribute__ ((packed));
1568 
1569 struct v4l2_ext_controls {
1570         union {
1571 #ifndef __KERNEL__
1572                 __u32 ctrl_class;
1573 #endif
1574                 __u32 which;
1575         };
1576         __u32 count;
1577         __u32 error_idx;
1578         __u32 reserved[2];
1579         struct v4l2_ext_control *controls;
1580 };
1581 
1582 #define V4L2_CTRL_ID_MASK         (0x0fffffff)
1583 #ifndef __KERNEL__
1584 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1585 #endif
1586 #define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
1587 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1588 #define V4L2_CTRL_MAX_DIMS        (4)
1589 #define V4L2_CTRL_WHICH_CUR_VAL   0
1590 #define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
1591 
1592 enum v4l2_ctrl_type {
1593         V4L2_CTRL_TYPE_INTEGER       = 1,
1594         V4L2_CTRL_TYPE_BOOLEAN       = 2,
1595         V4L2_CTRL_TYPE_MENU          = 3,
1596         V4L2_CTRL_TYPE_BUTTON        = 4,
1597         V4L2_CTRL_TYPE_INTEGER64     = 5,
1598         V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1599         V4L2_CTRL_TYPE_STRING        = 7,
1600         V4L2_CTRL_TYPE_BITMASK       = 8,
1601         V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
1602 
1603         /* Compound types are >= 0x0100 */
1604         V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
1605         V4L2_CTRL_TYPE_U8            = 0x0100,
1606         V4L2_CTRL_TYPE_U16           = 0x0101,
1607         V4L2_CTRL_TYPE_U32           = 0x0102,
1608 };
1609 
1610 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1611 struct v4l2_queryctrl {
1612         __u32                id;
1613         __u32                type;      /* enum v4l2_ctrl_type */
1614         __u8                 name[32];  /* Whatever */
1615         __s32                minimum;   /* Note signedness */
1616         __s32                maximum;
1617         __s32                step;
1618         __s32                default_value;
1619         __u32                flags;
1620         __u32                reserved[2];
1621 };
1622 
1623 /*  Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1624 struct v4l2_query_ext_ctrl {
1625         __u32                id;
1626         __u32                type;
1627         char                 name[32];
1628         __s64                minimum;
1629         __s64                maximum;
1630         __u64                step;
1631         __s64                default_value;
1632         __u32                flags;
1633         __u32                elem_size;
1634         __u32                elems;
1635         __u32                nr_of_dims;
1636         __u32                dims[V4L2_CTRL_MAX_DIMS];
1637         __u32                reserved[32];
1638 };
1639 
1640 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1641 struct v4l2_querymenu {
1642         __u32           id;
1643         __u32           index;
1644         union {
1645                 __u8    name[32];       /* Whatever */
1646                 __s64   value;
1647         };
1648         __u32           reserved;
1649 } __attribute__ ((packed));
1650 
1651 /*  Control flags  */
1652 #define V4L2_CTRL_FLAG_DISABLED         0x0001
1653 #define V4L2_CTRL_FLAG_GRABBED          0x0002
1654 #define V4L2_CTRL_FLAG_READ_ONLY        0x0004
1655 #define V4L2_CTRL_FLAG_UPDATE           0x0008
1656 #define V4L2_CTRL_FLAG_INACTIVE         0x0010
1657 #define V4L2_CTRL_FLAG_SLIDER           0x0020
1658 #define V4L2_CTRL_FLAG_WRITE_ONLY       0x0040
1659 #define V4L2_CTRL_FLAG_VOLATILE         0x0080
1660 #define V4L2_CTRL_FLAG_HAS_PAYLOAD      0x0100
1661 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1662 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT    0x0400
1663 
1664 /*  Query flags, to be ORed with the control ID */
1665 #define V4L2_CTRL_FLAG_NEXT_CTRL        0x80000000
1666 #define V4L2_CTRL_FLAG_NEXT_COMPOUND    0x40000000
1667 
1668 /*  User-class control IDs defined by V4L2 */
1669 #define V4L2_CID_MAX_CTRLS              1024
1670 /*  IDs reserved for driver specific controls */
1671 #define V4L2_CID_PRIVATE_BASE           0x08000000
1672 
1673 
1674 /*
1675  *      T U N I N G
1676  */
1677 struct v4l2_tuner {
1678         __u32                   index;
1679         __u8                    name[32];
1680         __u32                   type;   /* enum v4l2_tuner_type */
1681         __u32                   capability;
1682         __u32                   rangelow;
1683         __u32                   rangehigh;
1684         __u32                   rxsubchans;
1685         __u32                   audmode;
1686         __s32                   signal;
1687         __s32                   afc;
1688         __u32                   reserved[4];
1689 };
1690 
1691 struct v4l2_modulator {
1692         __u32                   index;
1693         __u8                    name[32];
1694         __u32                   capability;
1695         __u32                   rangelow;
1696         __u32                   rangehigh;
1697         __u32                   txsubchans;
1698         __u32                   type;   /* enum v4l2_tuner_type */
1699         __u32                   reserved[3];
1700 };
1701 
1702 /*  Flags for the 'capability' field */
1703 #define V4L2_TUNER_CAP_LOW              0x0001
1704 #define V4L2_TUNER_CAP_NORM             0x0002
1705 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED   0x0004
1706 #define V4L2_TUNER_CAP_HWSEEK_WRAP      0x0008
1707 #define V4L2_TUNER_CAP_STEREO           0x0010
1708 #define V4L2_TUNER_CAP_LANG2            0x0020
1709 #define V4L2_TUNER_CAP_SAP              0x0020
1710 #define V4L2_TUNER_CAP_LANG1            0x0040
1711 #define V4L2_TUNER_CAP_RDS              0x0080
1712 #define V4L2_TUNER_CAP_RDS_BLOCK_IO     0x0100
1713 #define V4L2_TUNER_CAP_RDS_CONTROLS     0x0200
1714 #define V4L2_TUNER_CAP_FREQ_BANDS       0x0400
1715 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM  0x0800
1716 #define V4L2_TUNER_CAP_1HZ              0x1000
1717 
1718 /*  Flags for the 'rxsubchans' field */
1719 #define V4L2_TUNER_SUB_MONO             0x0001
1720 #define V4L2_TUNER_SUB_STEREO           0x0002
1721 #define V4L2_TUNER_SUB_LANG2            0x0004
1722 #define V4L2_TUNER_SUB_SAP              0x0004
1723 #define V4L2_TUNER_SUB_LANG1            0x0008
1724 #define V4L2_TUNER_SUB_RDS              0x0010
1725 
1726 /*  Values for the 'audmode' field */
1727 #define V4L2_TUNER_MODE_MONO            0x0000
1728 #define V4L2_TUNER_MODE_STEREO          0x0001
1729 #define V4L2_TUNER_MODE_LANG2           0x0002
1730 #define V4L2_TUNER_MODE_SAP             0x0002
1731 #define V4L2_TUNER_MODE_LANG1           0x0003
1732 #define V4L2_TUNER_MODE_LANG1_LANG2     0x0004
1733 
1734 struct v4l2_frequency {
1735         __u32   tuner;
1736         __u32   type;   /* enum v4l2_tuner_type */
1737         __u32   frequency;
1738         __u32   reserved[8];
1739 };
1740 
1741 #define V4L2_BAND_MODULATION_VSB        (1 << 1)
1742 #define V4L2_BAND_MODULATION_FM         (1 << 2)
1743 #define V4L2_BAND_MODULATION_AM         (1 << 3)
1744 
1745 struct v4l2_frequency_band {
1746         __u32   tuner;
1747         __u32   type;   /* enum v4l2_tuner_type */
1748         __u32   index;
1749         __u32   capability;
1750         __u32   rangelow;
1751         __u32   rangehigh;
1752         __u32   modulation;
1753         __u32   reserved[9];
1754 };
1755 
1756 struct v4l2_hw_freq_seek {
1757         __u32   tuner;
1758         __u32   type;   /* enum v4l2_tuner_type */
1759         __u32   seek_upward;
1760         __u32   wrap_around;
1761         __u32   spacing;
1762         __u32   rangelow;
1763         __u32   rangehigh;
1764         __u32   reserved[5];
1765 };
1766 
1767 /*
1768  *      R D S
1769  */
1770 
1771 struct v4l2_rds_data {
1772         __u8    lsb;
1773         __u8    msb;
1774         __u8    block;
1775 } __attribute__ ((packed));
1776 
1777 #define V4L2_RDS_BLOCK_MSK       0x7
1778 #define V4L2_RDS_BLOCK_A         0
1779 #define V4L2_RDS_BLOCK_B         1
1780 #define V4L2_RDS_BLOCK_C         2
1781 #define V4L2_RDS_BLOCK_D         3
1782 #define V4L2_RDS_BLOCK_C_ALT     4
1783 #define V4L2_RDS_BLOCK_INVALID   7
1784 
1785 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1786 #define V4L2_RDS_BLOCK_ERROR     0x80
1787 
1788 /*
1789  *      A U D I O
1790  */
1791 struct v4l2_audio {
1792         __u32   index;
1793         __u8    name[32];
1794         __u32   capability;
1795         __u32   mode;
1796         __u32   reserved[2];
1797 };
1798 
1799 /*  Flags for the 'capability' field */
1800 #define V4L2_AUDCAP_STEREO              0x00001
1801 #define V4L2_AUDCAP_AVL                 0x00002
1802 
1803 /*  Flags for the 'mode' field */
1804 #define V4L2_AUDMODE_AVL                0x00001
1805 
1806 struct v4l2_audioout {
1807         __u32   index;
1808         __u8    name[32];
1809         __u32   capability;
1810         __u32   mode;
1811         __u32   reserved[2];
1812 };
1813 
1814 /*
1815  *      M P E G   S E R V I C E S
1816  */
1817 #if 1
1818 #define V4L2_ENC_IDX_FRAME_I    (0)
1819 #define V4L2_ENC_IDX_FRAME_P    (1)
1820 #define V4L2_ENC_IDX_FRAME_B    (2)
1821 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1822 
1823 struct v4l2_enc_idx_entry {
1824         __u64 offset;
1825         __u64 pts;
1826         __u32 length;
1827         __u32 flags;
1828         __u32 reserved[2];
1829 };
1830 
1831 #define V4L2_ENC_IDX_ENTRIES (64)
1832 struct v4l2_enc_idx {
1833         __u32 entries;
1834         __u32 entries_cap;
1835         __u32 reserved[4];
1836         struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1837 };
1838 
1839 
1840 #define V4L2_ENC_CMD_START      (0)
1841 #define V4L2_ENC_CMD_STOP       (1)
1842 #define V4L2_ENC_CMD_PAUSE      (2)
1843 #define V4L2_ENC_CMD_RESUME     (3)
1844 
1845 /* Flags for V4L2_ENC_CMD_STOP */
1846 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1847 
1848 struct v4l2_encoder_cmd {
1849         __u32 cmd;
1850         __u32 flags;
1851         union {
1852                 struct {
1853                         __u32 data[8];
1854                 } raw;
1855         };
1856 };
1857 
1858 /* Decoder commands */
1859 #define V4L2_DEC_CMD_START       (0)
1860 #define V4L2_DEC_CMD_STOP        (1)
1861 #define V4L2_DEC_CMD_PAUSE       (2)
1862 #define V4L2_DEC_CMD_RESUME      (3)
1863 
1864 /* Flags for V4L2_DEC_CMD_START */
1865 #define V4L2_DEC_CMD_START_MUTE_AUDIO   (1 << 0)
1866 
1867 /* Flags for V4L2_DEC_CMD_PAUSE */
1868 #define V4L2_DEC_CMD_PAUSE_TO_BLACK     (1 << 0)
1869 
1870 /* Flags for V4L2_DEC_CMD_STOP */
1871 #define V4L2_DEC_CMD_STOP_TO_BLACK      (1 << 0)
1872 #define V4L2_DEC_CMD_STOP_IMMEDIATELY   (1 << 1)
1873 
1874 /* Play format requirements (returned by the driver): */
1875 
1876 /* The decoder has no special format requirements */
1877 #define V4L2_DEC_START_FMT_NONE         (0)
1878 /* The decoder requires full GOPs */
1879 #define V4L2_DEC_START_FMT_GOP          (1)
1880 
1881 /* The structure must be zeroed before use by the application
1882    This ensures it can be extended safely in the future. */
1883 struct v4l2_decoder_cmd {
1884         __u32 cmd;
1885         __u32 flags;
1886         union {
1887                 struct {
1888                         __u64 pts;
1889                 } stop;
1890 
1891                 struct {
1892                         /* 0 or 1000 specifies normal speed,
1893                            1 specifies forward single stepping,
1894                            -1 specifies backward single stepping,
1895                            >1: playback at speed/1000 of the normal speed,
1896                            <-1: reverse playback at (-speed/1000) of the normal speed. */
1897                         __s32 speed;
1898                         __u32 format;
1899                 } start;
1900 
1901                 struct {
1902                         __u32 data[16];
1903                 } raw;
1904         };
1905 };
1906 #endif
1907 
1908 
1909 /*
1910  *      D A T A   S E R V I C E S   ( V B I )
1911  *
1912  *      Data services API by Michael Schimek
1913  */
1914 
1915 /* Raw VBI */
1916 struct v4l2_vbi_format {
1917         __u32   sampling_rate;          /* in 1 Hz */
1918         __u32   offset;
1919         __u32   samples_per_line;
1920         __u32   sample_format;          /* V4L2_PIX_FMT_* */
1921         __s32   start[2];
1922         __u32   count[2];
1923         __u32   flags;                  /* V4L2_VBI_* */
1924         __u32   reserved[2];            /* must be zero */
1925 };
1926 
1927 /*  VBI flags  */
1928 #define V4L2_VBI_UNSYNC         (1 << 0)
1929 #define V4L2_VBI_INTERLACED     (1 << 1)
1930 
1931 /* ITU-R start lines for each field */
1932 #define V4L2_VBI_ITU_525_F1_START (1)
1933 #define V4L2_VBI_ITU_525_F2_START (264)
1934 #define V4L2_VBI_ITU_625_F1_START (1)
1935 #define V4L2_VBI_ITU_625_F2_START (314)
1936 
1937 /* Sliced VBI
1938  *
1939  *    This implements is a proposal V4L2 API to allow SLICED VBI
1940  * required for some hardware encoders. It should change without
1941  * notice in the definitive implementation.
1942  */
1943 
1944 struct v4l2_sliced_vbi_format {
1945         __u16   service_set;
1946         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1947            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1948                                  (equals frame lines 313-336 for 625 line video
1949                                   standards, 263-286 for 525 line standards) */
1950         __u16   service_lines[2][24];
1951         __u32   io_size;
1952         __u32   reserved[2];            /* must be zero */
1953 };
1954 
1955 /* Teletext World System Teletext
1956    (WST), defined on ITU-R BT.653-2 */
1957 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1958 /* Video Program System, defined on ETS 300 231*/
1959 #define V4L2_SLICED_VPS                 (0x0400)
1960 /* Closed Caption, defined on EIA-608 */
1961 #define V4L2_SLICED_CAPTION_525         (0x1000)
1962 /* Wide Screen System, defined on ITU-R BT1119.1 */
1963 #define V4L2_SLICED_WSS_625             (0x4000)
1964 
1965 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1966 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1967 
1968 struct v4l2_sliced_vbi_cap {
1969         __u16   service_set;
1970         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1971            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1972                                  (equals frame lines 313-336 for 625 line video
1973                                   standards, 263-286 for 525 line standards) */
1974         __u16   service_lines[2][24];
1975         __u32   type;           /* enum v4l2_buf_type */
1976         __u32   reserved[3];    /* must be 0 */
1977 };
1978 
1979 struct v4l2_sliced_vbi_data {
1980         __u32   id;
1981         __u32   field;          /* 0: first field, 1: second field */
1982         __u32   line;           /* 1-23 */
1983         __u32   reserved;       /* must be 0 */
1984         __u8    data[48];
1985 };
1986 
1987 /*
1988  * Sliced VBI data inserted into MPEG Streams
1989  */
1990 
1991 /*
1992  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1993  *
1994  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1995  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1996  * data
1997  *
1998  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1999  * definitions are not included here.  See the MPEG-2 specifications for details
2000  * on these headers.
2001  */
2002 
2003 /* Line type IDs */
2004 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
2005 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
2006 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
2007 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
2008 
2009 struct v4l2_mpeg_vbi_itv0_line {
2010         __u8 id;        /* One of V4L2_MPEG_VBI_IVTV_* above */
2011         __u8 data[42];  /* Sliced VBI data for the line */
2012 } __attribute__ ((packed));
2013 
2014 struct v4l2_mpeg_vbi_itv0 {
2015         __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2016         struct v4l2_mpeg_vbi_itv0_line line[35];
2017 } __attribute__ ((packed));
2018 
2019 struct v4l2_mpeg_vbi_ITV0 {
2020         struct v4l2_mpeg_vbi_itv0_line line[36];
2021 } __attribute__ ((packed));
2022 
2023 #define V4L2_MPEG_VBI_IVTV_MAGIC0       "itv0"
2024 #define V4L2_MPEG_VBI_IVTV_MAGIC1       "ITV0"
2025 
2026 struct v4l2_mpeg_vbi_fmt_ivtv {
2027         __u8 magic[4];
2028         union {
2029                 struct v4l2_mpeg_vbi_itv0 itv0;
2030                 struct v4l2_mpeg_vbi_ITV0 ITV0;
2031         };
2032 } __attribute__ ((packed));
2033 
2034 /*
2035  *      A G G R E G A T E   S T R U C T U R E S
2036  */
2037 
2038 /**
2039  * struct v4l2_plane_pix_format - additional, per-plane format definition
2040  * @sizeimage:          maximum size in bytes required for data, for which
2041  *                      this plane will be used
2042  * @bytesperline:       distance in bytes between the leftmost pixels in two
2043  *                      adjacent lines
2044  */
2045 struct v4l2_plane_pix_format {
2046         __u32           sizeimage;
2047         __u32           bytesperline;
2048         __u16           reserved[6];
2049 } __attribute__ ((packed));
2050 
2051 /**
2052  * struct v4l2_pix_format_mplane - multiplanar format definition
2053  * @width:              image width in pixels
2054  * @height:             image height in pixels
2055  * @pixelformat:        little endian four character code (fourcc)
2056  * @field:              enum v4l2_field; field order (for interlaced video)
2057  * @colorspace:         enum v4l2_colorspace; supplemental to pixelformat
2058  * @plane_fmt:          per-plane information
2059  * @num_planes:         number of planes for this format
2060  * @flags:              format flags (V4L2_PIX_FMT_FLAG_*)
2061  * @ycbcr_enc:          enum v4l2_ycbcr_encoding, Y'CbCr encoding
2062  * @quantization:       enum v4l2_quantization, colorspace quantization
2063  * @xfer_func:          enum v4l2_xfer_func, colorspace transfer function
2064  */
2065 struct v4l2_pix_format_mplane {
2066         __u32                           width;
2067         __u32                           height;
2068         __u32                           pixelformat;
2069         __u32                           field;
2070         __u32                           colorspace;
2071 
2072         struct v4l2_plane_pix_format    plane_fmt[VIDEO_MAX_PLANES];
2073         __u8                            num_planes;
2074         __u8                            flags;
2075          union {
2076                 __u8                            ycbcr_enc;
2077                 __u8                            hsv_enc;
2078         };
2079         __u8                            quantization;
2080         __u8                            xfer_func;
2081         __u8                            reserved[7];
2082 } __attribute__ ((packed));
2083 
2084 /**
2085  * struct v4l2_sdr_format - SDR format definition
2086  * @pixelformat:        little endian four character code (fourcc)
2087  * @buffersize:         maximum size in bytes required for data
2088  */
2089 struct v4l2_sdr_format {
2090         __u32                           pixelformat;
2091         __u32                           buffersize;
2092         __u8                            reserved[24];
2093 } __attribute__ ((packed));
2094 
2095 /**
2096  * struct v4l2_meta_format - metadata format definition
2097  * @dataformat:         little endian four character code (fourcc)
2098  * @buffersize:         maximum size in bytes required for data
2099  */
2100 struct v4l2_meta_format {
2101         __u32                           dataformat;
2102         __u32                           buffersize;
2103 } __attribute__ ((packed));
2104 
2105 /**
2106  * struct v4l2_format - stream data format
2107  * @type:       enum v4l2_buf_type; type of the data stream
2108  * @pix:        definition of an image format
2109  * @pix_mp:     definition of a multiplanar image format
2110  * @win:        definition of an overlaid image
2111  * @vbi:        raw VBI capture or output parameters
2112  * @sliced:     sliced VBI capture or output parameters
2113  * @raw_data:   placeholder for future extensions and custom formats
2114  */
2115 struct v4l2_format {
2116         __u32    type;
2117         union {
2118                 struct v4l2_pix_format          pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2119                 struct v4l2_pix_format_mplane   pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2120                 struct v4l2_window              win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2121                 struct v4l2_vbi_format          vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
2122                 struct v4l2_sliced_vbi_format   sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2123                 struct v4l2_sdr_format          sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
2124                 struct v4l2_meta_format         meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
2125                 __u8    raw_data[200];                   /* user-defined */
2126         } fmt;
2127 };
2128 
2129 /*      Stream type-dependent parameters
2130  */
2131 struct v4l2_streamparm {
2132         __u32    type;                  /* enum v4l2_buf_type */
2133         union {
2134                 struct v4l2_captureparm capture;
2135                 struct v4l2_outputparm  output;
2136                 __u8    raw_data[200];  /* user-defined */
2137         } parm;
2138 };
2139 
2140 /*
2141  *      E V E N T S
2142  */
2143 
2144 #define V4L2_EVENT_ALL                          0
2145 #define V4L2_EVENT_VSYNC                        1
2146 #define V4L2_EVENT_EOS                          2
2147 #define V4L2_EVENT_CTRL                         3
2148 #define V4L2_EVENT_FRAME_SYNC                   4
2149 #define V4L2_EVENT_SOURCE_CHANGE                5
2150 #define V4L2_EVENT_MOTION_DET                   6
2151 #define V4L2_EVENT_PRIVATE_START                0x08000000
2152 
2153 /* Payload for V4L2_EVENT_VSYNC */
2154 struct v4l2_event_vsync {
2155         /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2156         __u8 field;
2157 } __attribute__ ((packed));
2158 
2159 /* Payload for V4L2_EVENT_CTRL */
2160 #define V4L2_EVENT_CTRL_CH_VALUE                (1 << 0)
2161 #define V4L2_EVENT_CTRL_CH_FLAGS                (1 << 1)
2162 #define V4L2_EVENT_CTRL_CH_RANGE                (1 << 2)
2163 
2164 struct v4l2_event_ctrl {
2165         __u32 changes;
2166         __u32 type;
2167         union {
2168                 __s32 value;
2169                 __s64 value64;
2170         };
2171         __u32 flags;
2172         __s32 minimum;
2173         __s32 maximum;
2174         __s32 step;
2175         __s32 default_value;
2176 };
2177 
2178 struct v4l2_event_frame_sync {
2179         __u32 frame_sequence;
2180 };
2181 
2182 #define V4L2_EVENT_SRC_CH_RESOLUTION            (1 << 0)
2183 
2184 struct v4l2_event_src_change {
2185         __u32 changes;
2186 };
2187 
2188 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2189 
2190 /**
2191  * struct v4l2_event_motion_det - motion detection event
2192  * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2193  *                     frame_sequence field is valid.
2194  * @frame_sequence:    the frame sequence number associated with this event.
2195  * @region_mask:       which regions detected motion.
2196  */
2197 struct v4l2_event_motion_det {
2198         __u32 flags;
2199         __u32 frame_sequence;
2200         __u32 region_mask;
2201 };
2202 
2203 struct v4l2_event {
2204         __u32                           type;
2205         union {
2206                 struct v4l2_event_vsync         vsync;
2207                 struct v4l2_event_ctrl          ctrl;
2208                 struct v4l2_event_frame_sync    frame_sync;
2209                 struct v4l2_event_src_change    src_change;
2210                 struct v4l2_event_motion_det    motion_det;
2211                 __u8                            data[64];
2212         } u;
2213         __u32                           pending;
2214         __u32                           sequence;
2215         struct timespec                 timestamp;
2216         __u32                           id;
2217         __u32                           reserved[8];
2218 };
2219 
2220 #define V4L2_EVENT_SUB_FL_SEND_INITIAL          (1 << 0)
2221 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK        (1 << 1)
2222 
2223 struct v4l2_event_subscription {
2224         __u32                           type;
2225         __u32                           id;
2226         __u32                           flags;
2227         __u32                           reserved[5];
2228 };
2229 
2230 /*
2231  *      A D V A N C E D   D E B U G G I N G
2232  *
2233  *      NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2234  *      FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2235  */
2236 
2237 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2238 
2239 #define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
2240 #define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
2241 
2242 /* The following four defines are no longer in use */
2243 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2244 #define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
2245 #define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
2246 #define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
2247 
2248 struct v4l2_dbg_match {
2249         __u32 type; /* Match type */
2250         union {     /* Match this chip, meaning determined by type */
2251                 __u32 addr;
2252                 char name[32];
2253         };
2254 } __attribute__ ((packed));
2255 
2256 struct v4l2_dbg_register {
2257         struct v4l2_dbg_match match;
2258         __u32 size;     /* register size in bytes */
2259         __u64 reg;
2260         __u64 val;
2261 } __attribute__ ((packed));
2262 
2263 #define V4L2_CHIP_FL_READABLE (1 << 0)
2264 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2265 
2266 /* VIDIOC_DBG_G_CHIP_INFO */
2267 struct v4l2_dbg_chip_info {
2268         struct v4l2_dbg_match match;
2269         char name[32];
2270         __u32 flags;
2271         __u32 reserved[32];
2272 } __attribute__ ((packed));
2273 
2274 /**
2275  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2276  * @index:      on return, index of the first created buffer
2277  * @count:      entry: number of requested buffers,
2278  *              return: number of created buffers
2279  * @memory:     enum v4l2_memory; buffer memory type
2280  * @format:     frame format, for which buffers are requested
2281  * @reserved:   future extensions
2282  */
2283 struct v4l2_create_buffers {
2284         __u32                   index;
2285         __u32                   count;
2286         __u32                   memory;
2287         struct v4l2_format      format;
2288         __u32                   reserved[8];
2289 };
2290 
2291 /*
2292  *      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
2293  *
2294  */
2295 #define VIDIOC_QUERYCAP          _IOR('V',  0, struct v4l2_capability)
2296 #define VIDIOC_RESERVED           _IO('V',  1)
2297 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
2298 #define VIDIOC_G_FMT            _IOWR('V',  4, struct v4l2_format)
2299 #define VIDIOC_S_FMT            _IOWR('V',  5, struct v4l2_format)
2300 #define VIDIOC_REQBUFS          _IOWR('V',  8, struct v4l2_requestbuffers)
2301 #define VIDIOC_QUERYBUF         _IOWR('V',  9, struct v4l2_buffer)
2302 #define VIDIOC_G_FBUF            _IOR('V', 10, struct v4l2_framebuffer)
2303 #define VIDIOC_S_FBUF            _IOW('V', 11, struct v4l2_framebuffer)
2304 #define VIDIOC_OVERLAY           _IOW('V', 14, int)
2305 #define VIDIOC_QBUF             _IOWR('V', 15, struct v4l2_buffer)
2306 #define VIDIOC_EXPBUF           _IOWR('V', 16, struct v4l2_exportbuffer)
2307 #define VIDIOC_DQBUF            _IOWR('V', 17, struct v4l2_buffer)
2308 #define VIDIOC_STREAMON          _IOW('V', 18, int)
2309 #define VIDIOC_STREAMOFF         _IOW('V', 19, int)
2310 #define VIDIOC_G_PARM           _IOWR('V', 21, struct v4l2_streamparm)
2311 #define VIDIOC_S_PARM           _IOWR('V', 22, struct v4l2_streamparm)
2312 #define VIDIOC_G_STD             _IOR('V', 23, v4l2_std_id)
2313 #define VIDIOC_S_STD             _IOW('V', 24, v4l2_std_id)
2314 #define VIDIOC_ENUMSTD          _IOWR('V', 25, struct v4l2_standard)
2315 #define VIDIOC_ENUMINPUT        _IOWR('V', 26, struct v4l2_input)
2316 #define VIDIOC_G_CTRL           _IOWR('V', 27, struct v4l2_control)
2317 #define VIDIOC_S_CTRL           _IOWR('V', 28, struct v4l2_control)
2318 #define VIDIOC_G_TUNER          _IOWR('V', 29, struct v4l2_tuner)
2319 #define VIDIOC_S_TUNER           _IOW('V', 30, struct v4l2_tuner)
2320 #define VIDIOC_G_AUDIO           _IOR('V', 33, struct v4l2_audio)
2321 #define VIDIOC_S_AUDIO           _IOW('V', 34, struct v4l2_audio)
2322 #define VIDIOC_QUERYCTRL        _IOWR('V', 36, struct v4l2_queryctrl)
2323 #define VIDIOC_QUERYMENU        _IOWR('V', 37, struct v4l2_querymenu)
2324 #define VIDIOC_G_INPUT           _IOR('V', 38, int)
2325 #define VIDIOC_S_INPUT          _IOWR('V', 39, int)
2326 #define VIDIOC_G_EDID           _IOWR('V', 40, struct v4l2_edid)
2327 #define VIDIOC_S_EDID           _IOWR('V', 41, struct v4l2_edid)
2328 #define VIDIOC_G_OUTPUT          _IOR('V', 46, int)
2329 #define VIDIOC_S_OUTPUT         _IOWR('V', 47, int)
2330 #define VIDIOC_ENUMOUTPUT       _IOWR('V', 48, struct v4l2_output)
2331 #define VIDIOC_G_AUDOUT          _IOR('V', 49, struct v4l2_audioout)
2332 #define VIDIOC_S_AUDOUT          _IOW('V', 50, struct v4l2_audioout)
2333 #define VIDIOC_G_MODULATOR      _IOWR('V', 54, struct v4l2_modulator)
2334 #define VIDIOC_S_MODULATOR       _IOW('V', 55, struct v4l2_modulator)
2335 #define VIDIOC_G_FREQUENCY      _IOWR('V', 56, struct v4l2_frequency)
2336 #define VIDIOC_S_FREQUENCY       _IOW('V', 57, struct v4l2_frequency)
2337 #define VIDIOC_CROPCAP          _IOWR('V', 58, struct v4l2_cropcap)
2338 #define VIDIOC_G_CROP           _IOWR('V', 59, struct v4l2_crop)
2339 #define VIDIOC_S_CROP            _IOW('V', 60, struct v4l2_crop)
2340 #define VIDIOC_G_JPEGCOMP        _IOR('V', 61, struct v4l2_jpegcompression)
2341 #define VIDIOC_S_JPEGCOMP        _IOW('V', 62, struct v4l2_jpegcompression)
2342 #define VIDIOC_QUERYSTD          _IOR('V', 63, v4l2_std_id)
2343 #define VIDIOC_TRY_FMT          _IOWR('V', 64, struct v4l2_format)
2344 #define VIDIOC_ENUMAUDIO        _IOWR('V', 65, struct v4l2_audio)
2345 #define VIDIOC_ENUMAUDOUT       _IOWR('V', 66, struct v4l2_audioout)
2346 #define VIDIOC_G_PRIORITY        _IOR('V', 67, __u32) /* enum v4l2_priority */
2347 #define VIDIOC_S_PRIORITY        _IOW('V', 68, __u32) /* enum v4l2_priority */
2348 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2349 #define VIDIOC_LOG_STATUS         _IO('V', 70)
2350 #define VIDIOC_G_EXT_CTRLS      _IOWR('V', 71, struct v4l2_ext_controls)
2351 #define VIDIOC_S_EXT_CTRLS      _IOWR('V', 72, struct v4l2_ext_controls)
2352 #define VIDIOC_TRY_EXT_CTRLS    _IOWR('V', 73, struct v4l2_ext_controls)
2353 #define VIDIOC_ENUM_FRAMESIZES  _IOWR('V', 74, struct v4l2_frmsizeenum)
2354 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2355 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
2356 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
2357 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
2358 
2359 /*
2360  * Experimental, meant for debugging, testing and internal use.
2361  * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2362  * You must be root to use these ioctls. Never use these in applications!
2363  */
2364 #define VIDIOC_DBG_S_REGISTER    _IOW('V', 79, struct v4l2_dbg_register)
2365 #define VIDIOC_DBG_G_REGISTER   _IOWR('V', 80, struct v4l2_dbg_register)
2366 
2367 #define VIDIOC_S_HW_FREQ_SEEK    _IOW('V', 82, struct v4l2_hw_freq_seek)
2368 #define VIDIOC_S_DV_TIMINGS     _IOWR('V', 87, struct v4l2_dv_timings)
2369 #define VIDIOC_G_DV_TIMINGS     _IOWR('V', 88, struct v4l2_dv_timings)
2370 #define VIDIOC_DQEVENT           _IOR('V', 89, struct v4l2_event)
2371 #define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct v4l2_event_subscription)
2372 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2373 #define VIDIOC_CREATE_BUFS      _IOWR('V', 92, struct v4l2_create_buffers)
2374 #define VIDIOC_PREPARE_BUF      _IOWR('V', 93, struct v4l2_buffer)
2375 #define VIDIOC_G_SELECTION      _IOWR('V', 94, struct v4l2_selection)
2376 #define VIDIOC_S_SELECTION      _IOWR('V', 95, struct v4l2_selection)
2377 #define VIDIOC_DECODER_CMD      _IOWR('V', 96, struct v4l2_decoder_cmd)
2378 #define VIDIOC_TRY_DECODER_CMD  _IOWR('V', 97, struct v4l2_decoder_cmd)
2379 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
2380 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
2381 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
2382 #define VIDIOC_ENUM_FREQ_BANDS  _IOWR('V', 101, struct v4l2_frequency_band)
2383 
2384 /*
2385  * Experimental, meant for debugging, testing and internal use.
2386  * Never use this in applications!
2387  */
2388 #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
2389 
2390 #define VIDIOC_QUERY_EXT_CTRL   _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2391 
2392 /* Reminder: when adding new ioctls please add support for them to
2393    drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2394 
2395 #define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */
2396 
2397 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2398 

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