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[media] vivid: support new multiplanar YUV formats
[deliverable/linux.git] / drivers / media / platform / vivid / vivid-vid-common.c
CommitLineData
ef834f78
HV		 1/*
2 * vivid-vid-common.c - common video support functions.
3 *
4 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
5 *
6 * This program is free software; you may redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
11 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
12 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
13 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
14 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
15 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
16 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20#include <linux/errno.h>
21#include <linux/kernel.h>
22#include <linux/sched.h>
23#include <linux/videodev2.h>
24#include <linux/v4l2-dv-timings.h>
25#include <media/v4l2-common.h>
26#include <media/v4l2-event.h>
27#include <media/v4l2-dv-timings.h>
28
29#include "vivid-core.h"
30#include "vivid-vid-common.h"
31
32const struct v4l2_dv_timings_cap vivid_dv_timings_cap = {
33 .type = V4L2_DV_BT_656_1120,
34 /* keep this initialization for compatibility with GCC < 4.4.6 */
35 .reserved = { 0 },
29103668
PL		 36 V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 14000000, 775000000,
37 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
38 V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF,
ef834f78
HV		 39 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
40};
41
42/* ------------------------------------------------------------------
43 Basic structures
44 ------------------------------------------------------------------*/
45
46struct vivid_fmt vivid_formats[] = {
47 {
ef834f78 48 .fourcc = V4L2_PIX_FMT_YUYV,
96c76efa
HV		 49 .vdownsampling = { 1 },
50 .bit_depth = { 16 },
ef834f78
HV		 51 .is_yuv = true,
52 .planes = 1,
96c76efa 53 .buffers = 1,
b521c375 54 .data_offset = { PLANE0_DATA_OFFSET },
ef834f78
HV		 55 },
56 {
ef834f78 57 .fourcc = V4L2_PIX_FMT_UYVY,
96c76efa
HV		 58 .vdownsampling = { 1 },
59 .bit_depth = { 16 },
ef834f78
HV		 60 .is_yuv = true,
61 .planes = 1,
96c76efa 62 .buffers = 1,
ef834f78
HV		 63 },
64 {
ef834f78 65 .fourcc = V4L2_PIX_FMT_YVYU,
96c76efa
HV		 66 .vdownsampling = { 1 },
67 .bit_depth = { 16 },
ef834f78
HV		 68 .is_yuv = true,
69 .planes = 1,
96c76efa 70 .buffers = 1,
ef834f78
HV		 71 },
72 {
ef834f78 73 .fourcc = V4L2_PIX_FMT_VYUY,
96c76efa
HV		 74 .vdownsampling = { 1 },
75 .bit_depth = { 16 },
ef834f78
HV		 76 .is_yuv = true,
77 .planes = 1,
96c76efa 78 .buffers = 1,
ef834f78 79 },
b521c375 80 {
b521c375
HV		 81 .fourcc = V4L2_PIX_FMT_YUV422P,
82 .vdownsampling = { 1, 1, 1 },
83 .bit_depth = { 8, 4, 4 },
84 .is_yuv = true,
85 .planes = 3,
86 .buffers = 1,
87 },
88 {
b521c375
HV		 89 .fourcc = V4L2_PIX_FMT_YUV420,
90 .vdownsampling = { 1, 2, 2 },
91 .bit_depth = { 8, 4, 4 },
92 .is_yuv = true,
93 .planes = 3,
94 .buffers = 1,
95 },
96 {
b521c375
HV		 97 .fourcc = V4L2_PIX_FMT_YVU420,
98 .vdownsampling = { 1, 2, 2 },
99 .bit_depth = { 8, 4, 4 },
100 .is_yuv = true,
101 .planes = 3,
102 .buffers = 1,
103 },
104 {
b521c375
HV		 105 .fourcc = V4L2_PIX_FMT_NV12,
106 .vdownsampling = { 1, 2 },
107 .bit_depth = { 8, 8 },
108 .is_yuv = true,
109 .planes = 2,
110 .buffers = 1,
111 },
112 {
b521c375
HV		 113 .fourcc = V4L2_PIX_FMT_NV21,
114 .vdownsampling = { 1, 2 },
115 .bit_depth = { 8, 8 },
116 .is_yuv = true,
117 .planes = 2,
118 .buffers = 1,
119 },
120 {
b521c375
HV		 121 .fourcc = V4L2_PIX_FMT_NV16,
122 .vdownsampling = { 1, 1 },
123 .bit_depth = { 8, 8 },
124 .is_yuv = true,
125 .planes = 2,
126 .buffers = 1,
127 },
128 {
b521c375
HV		 129 .fourcc = V4L2_PIX_FMT_NV61,
130 .vdownsampling = { 1, 1 },
131 .bit_depth = { 8, 8 },
132 .is_yuv = true,
133 .planes = 2,
134 .buffers = 1,
135 },
dde72bd7 136 {
dde72bd7
HV		 137 .fourcc = V4L2_PIX_FMT_NV24,
138 .vdownsampling = { 1, 1 },
139 .bit_depth = { 8, 16 },
140 .is_yuv = true,
141 .planes = 2,
142 .buffers = 1,
143 },
144 {
dde72bd7
HV		 145 .fourcc = V4L2_PIX_FMT_NV42,
146 .vdownsampling = { 1, 1 },
147 .bit_depth = { 8, 16 },
148 .is_yuv = true,
149 .planes = 2,
150 .buffers = 1,
151 },
628821c8 152 {
628821c8
HV		 153 .fourcc = V4L2_PIX_FMT_YUV555, /* uuuvvvvv ayyyyyuu */
154 .vdownsampling = { 1 },
155 .bit_depth = { 16 },
156 .planes = 1,
157 .buffers = 1,
158 .alpha_mask = 0x8000,
159 },
160 {
628821c8
HV		 161 .fourcc = V4L2_PIX_FMT_YUV565, /* uuuvvvvv yyyyyuuu */
162 .vdownsampling = { 1 },
163 .bit_depth = { 16 },
164 .planes = 1,
165 .buffers = 1,
166 },
167 {
628821c8
HV		 168 .fourcc = V4L2_PIX_FMT_YUV444, /* uuuuvvvv aaaayyyy */
169 .vdownsampling = { 1 },
170 .bit_depth = { 16 },
171 .planes = 1,
172 .buffers = 1,
173 .alpha_mask = 0xf000,
174 },
175 {
628821c8
HV		 176 .fourcc = V4L2_PIX_FMT_YUV32, /* ayuv */
177 .vdownsampling = { 1 },
178 .bit_depth = { 32 },
179 .planes = 1,
180 .buffers = 1,
181 .alpha_mask = 0x000000ff,
182 },
b521c375 183 {
b521c375
HV		 184 .fourcc = V4L2_PIX_FMT_GREY,
185 .vdownsampling = { 1 },
186 .bit_depth = { 8 },
187 .is_yuv = true,
188 .planes = 1,
189 .buffers = 1,
190 },
18b3b3b8
RR		 191 {
192 .fourcc = V4L2_PIX_FMT_Y16,
193 .vdownsampling = { 1 },
194 .bit_depth = { 16 },
195 .is_yuv = true,
196 .planes = 1,
197 .buffers = 1,
198 },
b0ce23f0
RR		 199 {
200 .fourcc = V4L2_PIX_FMT_Y16_BE,
201 .vdownsampling = { 1 },
202 .bit_depth = { 16 },
203 .is_yuv = true,
204 .planes = 1,
205 .buffers = 1,
206 },
71491063 207 {
71491063
HV		 208 .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
209 .vdownsampling = { 1 },
210 .bit_depth = { 8 },
211 .planes = 1,
212 .buffers = 1,
213 },
ef834f78 214 {
ef834f78 215 .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
96c76efa
HV		 216 .vdownsampling = { 1 },
217 .bit_depth = { 16 },
ef834f78 218 .planes = 1,
96c76efa 219 .buffers = 1,
ef834f78
HV		 220 .can_do_overlay = true,
221 },
222 {
ef834f78 223 .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
96c76efa
HV		 224 .vdownsampling = { 1 },
225 .bit_depth = { 16 },
ef834f78 226 .planes = 1,
96c76efa 227 .buffers = 1,
ef834f78
HV		 228 .can_do_overlay = true,
229 },
8aca230b 230 {
8aca230b
HV		 231 .fourcc = V4L2_PIX_FMT_RGB444, /* xxxxrrrr ggggbbbb */
232 .vdownsampling = { 1 },
233 .bit_depth = { 16 },
234 .planes = 1,
235 .buffers = 1,
236 },
237 {
8aca230b
HV		 238 .fourcc = V4L2_PIX_FMT_XRGB444, /* xxxxrrrr ggggbbbb */
239 .vdownsampling = { 1 },
240 .bit_depth = { 16 },
241 .planes = 1,
242 .buffers = 1,
243 },
244 {
8aca230b
HV		 245 .fourcc = V4L2_PIX_FMT_ARGB444, /* aaaarrrr ggggbbbb */
246 .vdownsampling = { 1 },
247 .bit_depth = { 16 },
248 .planes = 1,
249 .buffers = 1,
250 .alpha_mask = 0x00f0,
251 },
ef834f78 252 {
9e1b73cf 253 .fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
96c76efa
HV		 254 .vdownsampling = { 1 },
255 .bit_depth = { 16 },
ef834f78 256 .planes = 1,
96c76efa 257 .buffers = 1,
ef834f78
HV		 258 .can_do_overlay = true,
259 },
260 {
9e1b73cf 261 .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb xrrrrrgg */
96c76efa
HV		 262 .vdownsampling = { 1 },
263 .bit_depth = { 16 },
ef834f78 264 .planes = 1,
96c76efa 265 .buffers = 1,
ef834f78
HV		 266 .can_do_overlay = true,
267 },
268 {
ef834f78 269 .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
96c76efa
HV		 270 .vdownsampling = { 1 },
271 .bit_depth = { 16 },
ef834f78 272 .planes = 1,
96c76efa 273 .buffers = 1,
ef834f78
HV		 274 .can_do_overlay = true,
275 .alpha_mask = 0x8000,
276 },
277 {
9e1b73cf 278 .fourcc = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
96c76efa
HV		 279 .vdownsampling = { 1 },
280 .bit_depth = { 16 },
ef834f78 281 .planes = 1,
96c76efa 282 .buffers = 1,
8f1ff543
HV		 283 },
284 {
8f1ff543
HV		 285 .fourcc = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
286 .vdownsampling = { 1 },
287 .bit_depth = { 16 },
288 .planes = 1,
289 .buffers = 1,
290 },
291 {
8f1ff543
HV		 292 .fourcc = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
293 .vdownsampling = { 1 },
294 .bit_depth = { 16 },
295 .planes = 1,
296 .buffers = 1,
297 .alpha_mask = 0x0080,
ef834f78
HV		 298 },
299 {
ef834f78 300 .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
96c76efa
HV		 301 .vdownsampling = { 1 },
302 .bit_depth = { 24 },
ef834f78 303 .planes = 1,
96c76efa 304 .buffers = 1,
ef834f78
HV		 305 },
306 {
ef834f78 307 .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
96c76efa
HV		 308 .vdownsampling = { 1 },
309 .bit_depth = { 24 },
ef834f78 310 .planes = 1,
96c76efa 311 .buffers = 1,
ef834f78 312 },
68cd4e9f 313 {
68cd4e9f
HV		 314 .fourcc = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
315 .vdownsampling = { 1 },
316 .bit_depth = { 32 },
317 .planes = 1,
318 .buffers = 1,
319 },
ef834f78 320 {
9e1b73cf 321 .fourcc = V4L2_PIX_FMT_RGB32, /* xrgb */
96c76efa
HV		 322 .vdownsampling = { 1 },
323 .bit_depth = { 32 },
ef834f78 324 .planes = 1,
96c76efa 325 .buffers = 1,
ef834f78
HV		 326 },
327 {
9e1b73cf 328 .fourcc = V4L2_PIX_FMT_BGR32, /* bgrx */
96c76efa
HV		 329 .vdownsampling = { 1 },
330 .bit_depth = { 32 },
ef834f78 331 .planes = 1,
96c76efa 332 .buffers = 1,
ef834f78
HV		 333 },
334 {
9e1b73cf 335 .fourcc = V4L2_PIX_FMT_XRGB32, /* xrgb */
96c76efa
HV		 336 .vdownsampling = { 1 },
337 .bit_depth = { 32 },
ef834f78 338 .planes = 1,
96c76efa 339 .buffers = 1,
ef834f78
HV		 340 },
341 {
9e1b73cf 342 .fourcc = V4L2_PIX_FMT_XBGR32, /* bgrx */
96c76efa
HV		 343 .vdownsampling = { 1 },
344 .bit_depth = { 32 },
ef834f78 345 .planes = 1,
96c76efa 346 .buffers = 1,
ef834f78
HV		 347 },
348 {
ef834f78 349 .fourcc = V4L2_PIX_FMT_ARGB32, /* argb */
96c76efa
HV		 350 .vdownsampling = { 1 },
351 .bit_depth = { 32 },
ef834f78 352 .planes = 1,
96c76efa 353 .buffers = 1,
ef834f78
HV		 354 .alpha_mask = 0x000000ff,
355 },
356 {
ef834f78 357 .fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */
96c76efa
HV		 358 .vdownsampling = { 1 },
359 .bit_depth = { 32 },
ef834f78 360 .planes = 1,
96c76efa 361 .buffers = 1,
ef834f78
HV		 362 .alpha_mask = 0xff000000,
363 },
02aa769d 364 {
02aa769d
HV		 365 .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
366 .vdownsampling = { 1 },
367 .bit_depth = { 8 },
368 .planes = 1,
369 .buffers = 1,
370 },
371 {
02aa769d
HV		 372 .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
373 .vdownsampling = { 1 },
374 .bit_depth = { 8 },
375 .planes = 1,
376 .buffers = 1,
377 },
378 {
02aa769d
HV		 379 .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
380 .vdownsampling = { 1 },
381 .bit_depth = { 8 },
382 .planes = 1,
383 .buffers = 1,
384 },
385 {
02aa769d
HV		 386 .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
387 .vdownsampling = { 1 },
388 .bit_depth = { 8 },
389 .planes = 1,
390 .buffers = 1,
391 },
b96c544f
HV		 392 {
393 .fourcc = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
394 .vdownsampling = { 1 },
395 .bit_depth = { 16 },
396 .planes = 1,
397 .buffers = 1,
398 },
399 {
400 .fourcc = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
401 .vdownsampling = { 1 },
402 .bit_depth = { 16 },
403 .planes = 1,
404 .buffers = 1,
405 },
406 {
407 .fourcc = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
408 .vdownsampling = { 1 },
409 .bit_depth = { 16 },
410 .planes = 1,
411 .buffers = 1,
412 },
413 {
414 .fourcc = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
415 .vdownsampling = { 1 },
416 .bit_depth = { 16 },
417 .planes = 1,
418 .buffers = 1,
419 },
420 {
421 .fourcc = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
422 .vdownsampling = { 1 },
423 .bit_depth = { 16 },
424 .planes = 1,
425 .buffers = 1,
426 },
427 {
428 .fourcc = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
429 .vdownsampling = { 1 },
430 .bit_depth = { 16 },
431 .planes = 1,
432 .buffers = 1,
433 },
434 {
435 .fourcc = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
436 .vdownsampling = { 1 },
437 .bit_depth = { 16 },
438 .planes = 1,
439 .buffers = 1,
440 },
441 {
442 .fourcc = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
443 .vdownsampling = { 1 },
444 .bit_depth = { 16 },
445 .planes = 1,
446 .buffers = 1,
447 },
00036b30
HV		 448
449 /* Multiplanar formats */
450
ef834f78 451 {
ef834f78 452 .fourcc = V4L2_PIX_FMT_NV16M,
96c76efa
HV		 453 .vdownsampling = { 1, 1 },
454 .bit_depth = { 8, 8 },
ef834f78
HV		 455 .is_yuv = true,
456 .planes = 2,
96c76efa 457 .buffers = 2,
ef834f78
HV		 458 .data_offset = { PLANE0_DATA_OFFSET, 0 },
459 },
460 {
ef834f78 461 .fourcc = V4L2_PIX_FMT_NV61M,
96c76efa
HV		 462 .vdownsampling = { 1, 1 },
463 .bit_depth = { 8, 8 },
ef834f78
HV		 464 .is_yuv = true,
465 .planes = 2,
96c76efa 466 .buffers = 2,
ef834f78
HV		 467 .data_offset = { 0, PLANE0_DATA_OFFSET },
468 },
b521c375 469 {
b521c375
HV		 470 .fourcc = V4L2_PIX_FMT_YUV420M,
471 .vdownsampling = { 1, 2, 2 },
472 .bit_depth = { 8, 4, 4 },
473 .is_yuv = true,
474 .planes = 3,
475 .buffers = 3,
476 },
477 {
b521c375
HV		 478 .fourcc = V4L2_PIX_FMT_YVU420M,
479 .vdownsampling = { 1, 2, 2 },
480 .bit_depth = { 8, 4, 4 },
481 .is_yuv = true,
482 .planes = 3,
483 .buffers = 3,
484 },
485 {
b521c375
HV		 486 .fourcc = V4L2_PIX_FMT_NV12M,
487 .vdownsampling = { 1, 2 },
488 .bit_depth = { 8, 8 },
489 .is_yuv = true,
490 .planes = 2,
491 .buffers = 2,
492 },
493 {
b521c375
HV		 494 .fourcc = V4L2_PIX_FMT_NV21M,
495 .vdownsampling = { 1, 2 },
496 .bit_depth = { 8, 8 },
497 .is_yuv = true,
498 .planes = 2,
499 .buffers = 2,
500 },
00036b30
HV		 501 {
502 .fourcc = V4L2_PIX_FMT_YUV422M,
503 .vdownsampling = { 1, 1, 1 },
504 .bit_depth = { 8, 4, 4 },
505 .is_yuv = true,
506 .planes = 3,
507 .buffers = 3,
508 },
509 {
510 .fourcc = V4L2_PIX_FMT_YVU422M,
511 .vdownsampling = { 1, 1, 1 },
512 .bit_depth = { 8, 4, 4 },
513 .is_yuv = true,
514 .planes = 3,
515 .buffers = 3,
516 },
517 {
518 .fourcc = V4L2_PIX_FMT_YUV444M,
519 .vdownsampling = { 1, 1, 1 },
520 .bit_depth = { 8, 8, 8 },
521 .is_yuv = true,
522 .planes = 3,
523 .buffers = 3,
524 },
525 {
526 .fourcc = V4L2_PIX_FMT_YVU444M,
527 .vdownsampling = { 1, 1, 1 },
528 .bit_depth = { 8, 8, 8 },
529 .is_yuv = true,
530 .planes = 3,
531 .buffers = 3,
532 },
ef834f78
HV		 533};
534
00036b30
HV		 535/* There are this many multiplanar formats in the list */
536#define VIVID_MPLANAR_FORMATS 10
ef834f78 537
1fc78bc9 538const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
ef834f78
HV		 539{
540 const struct vivid_fmt *fmt;
541 unsigned k;
542
543 for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
544 fmt = &vivid_formats[k];
545 if (fmt->fourcc == pixelformat)
ddcaee9d 546 if (fmt->buffers == 1 || dev->multiplanar)
ef834f78
HV		 547 return fmt;
548 }
549
550 return NULL;
551}
552
553bool vivid_vid_can_loop(struct vivid_dev *dev)
554{
555 if (dev->src_rect.width != dev->sink_rect.width ||
556 dev->src_rect.height != dev->sink_rect.height)
557 return false;
558 if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
559 return false;
560 if (dev->field_cap != dev->field_out)
561 return false;
ba24b442
HV		 562 /*
563 * While this can be supported, it is just too much work
564 * to actually implement.
565 */
566 if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
567 dev->field_cap == V4L2_FIELD_SEQ_BT)
568 return false;
ef834f78
HV		 569 if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
570 if (!(dev->std_cap & V4L2_STD_525_60) !=
571 !(dev->std_out & V4L2_STD_525_60))
572 return false;
573 return true;
574 }
575 if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
576 return true;
577 return false;
578}
579
580void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
581{
582 struct v4l2_event ev = {
583 .type = V4L2_EVENT_SOURCE_CHANGE,
584 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
585 };
586 unsigned i;
587
588 for (i = 0; i < dev->num_inputs; i++) {
589 ev.id = i;
590 if (dev->input_type[i] == type) {
591 if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
592 v4l2_event_queue(&dev->vid_cap_dev, &ev);
593 if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
594 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
595 }
596 }
597}
598
599/*
600 * Conversion function that converts a single-planar format to a
601 * single-plane multiplanar format.
602 */
603void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
604{
605 struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
606 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
607 const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
608 bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
609
610 memset(mp->reserved, 0, sizeof(mp->reserved));
611 mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
612 V4L2_CAP_VIDEO_CAPTURE_MPLANE;
613 mp->width = pix->width;
614 mp->height = pix->height;
615 mp->pixelformat = pix->pixelformat;
616 mp->field = pix->field;
617 mp->colorspace = pix->colorspace;
ca5316db 618 mp->xfer_func = pix->xfer_func;
3e8a78d1
HV		 619 mp->ycbcr_enc = pix->ycbcr_enc;
620 mp->quantization = pix->quantization;
ef834f78
HV		 621 mp->num_planes = 1;
622 mp->flags = pix->flags;
623 ppix->sizeimage = pix->sizeimage;
624 ppix->bytesperline = pix->bytesperline;
625 memset(ppix->reserved, 0, sizeof(ppix->reserved));
626}
627
628int fmt_sp2mp_func(struct file *file, void *priv,
629 struct v4l2_format *f, fmtfunc func)
630{
631 struct v4l2_format fmt;
632 struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
633 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
634 struct v4l2_pix_format *pix = &f->fmt.pix;
635 int ret;
636
637 /* Converts to a mplane format */
638 fmt_sp2mp(f, &fmt);
639 /* Passes it to the generic mplane format function */
640 ret = func(file, priv, &fmt);
641 /* Copies back the mplane data to the single plane format */
642 pix->width = mp->width;
643 pix->height = mp->height;
644 pix->pixelformat = mp->pixelformat;
645 pix->field = mp->field;
646 pix->colorspace = mp->colorspace;
ca5316db 647 pix->xfer_func = mp->xfer_func;
3e8a78d1
HV		 648 pix->ycbcr_enc = mp->ycbcr_enc;
649 pix->quantization = mp->quantization;
ef834f78
HV		 650 pix->sizeimage = ppix->sizeimage;
651 pix->bytesperline = ppix->bytesperline;
652 pix->flags = mp->flags;
653 return ret;
654}
655
656/* v4l2_rect helper function: copy the width/height values */
657void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size)
658{
659 r->width = size->width;
660 r->height = size->height;
661}
662
663/* v4l2_rect helper function: width and height of r should be >= min_size */
664void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size)
665{
666 if (r->width < min_size->width)
667 r->width = min_size->width;
668 if (r->height < min_size->height)
669 r->height = min_size->height;
670}
671
672/* v4l2_rect helper function: width and height of r should be <= max_size */
673void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size)
674{
675 if (r->width > max_size->width)
676 r->width = max_size->width;
677 if (r->height > max_size->height)
678 r->height = max_size->height;
679}
680
681/* v4l2_rect helper function: r should be inside boundary */
682void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary)
683{
684 rect_set_max_size(r, boundary);
685 if (r->left < boundary->left)
686 r->left = boundary->left;
687 if (r->top < boundary->top)
688 r->top = boundary->top;
689 if (r->left + r->width > boundary->width)
690 r->left = boundary->width - r->width;
691 if (r->top + r->height > boundary->height)
692 r->top = boundary->height - r->height;
693}
694
695/* v4l2_rect helper function: return true if r1 has the same size as r2 */
696bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
697{
698 return r1->width == r2->width && r1->height == r2->height;
699}
700
701/* v4l2_rect helper function: calculate the intersection of two rects */
702struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b)
703{
704 struct v4l2_rect r;
705 int right, bottom;
706
707 r.top = max(a->top, b->top);
708 r.left = max(a->left, b->left);
709 bottom = min(a->top + a->height, b->top + b->height);
710 right = min(a->left + a->width, b->left + b->width);
711 r.height = max(0, bottom - r.top);
712 r.width = max(0, right - r.left);
713 return r;
714}
715
716/*
717 * v4l2_rect helper function: scale rect r by to->width / from->width and
718 * to->height / from->height.
719 */
720void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from,
721 const struct v4l2_rect *to)
722{
723 if (from->width == 0 || from->height == 0) {
724 r->left = r->top = r->width = r->height = 0;
725 return;
726 }
727 r->left = (((r->left - from->left) * to->width) / from->width) & ~1;
728 r->width = ((r->width * to->width) / from->width) & ~1;
729 r->top = ((r->top - from->top) * to->height) / from->height;
730 r->height = (r->height * to->height) / from->height;
731}
732
733bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
734{
735 /*
736 * IF the left side of r1 is to the right of the right side of r2 OR
737 * the left side of r2 is to the right of the right side of r1 THEN
738 * they do not overlap.
739 */
740 if (r1->left >= r2->left + r2->width ||
741 r2->left >= r1->left + r1->width)
742 return false;
743 /*
744 * IF the top side of r1 is below the bottom of r2 OR
745 * the top side of r2 is below the bottom of r1 THEN
746 * they do not overlap.
747 */
748 if (r1->top >= r2->top + r2->height ||
749 r2->top >= r1->top + r1->height)
750 return false;
751 return true;
752}
753int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
754{
755 unsigned w = r->width;
756 unsigned h = r->height;
757
82bdb26a
HV		 758 /* sanitize w and h in case someone passes ~0 as the value */
759 w &= 0xffff;
760 h &= 0xffff;
ef834f78
HV		 761 if (!(flags & V4L2_SEL_FLAG_LE)) {
762 w++;
763 h++;
764 if (w < 2)
765 w = 2;
766 if (h < 2)
767 h = 2;
768 }
769 if (!(flags & V4L2_SEL_FLAG_GE)) {
770 if (w > MAX_WIDTH)
771 w = MAX_WIDTH;
772 if (h > MAX_HEIGHT)
773 h = MAX_HEIGHT;
774 }
775 w = w & ~1;
776 h = h & ~1;
777 if (w < 2 || h < 2)
778 return -ERANGE;
779 if (w > MAX_WIDTH || h > MAX_HEIGHT)
780 return -ERANGE;
781 if (r->top < 0)
782 r->top = 0;
783 if (r->left < 0)
784 r->left = 0;
82bdb26a
HV		 785 /* sanitize left and top in case someone passes ~0 as the value */
786 r->left &= 0xfffe;
787 r->top &= 0xfffe;
ef834f78
HV		 788 if (r->left + w > MAX_WIDTH)
789 r->left = MAX_WIDTH - w;
790 if (r->top + h > MAX_HEIGHT)
791 r->top = MAX_HEIGHT - h;
792 if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
793 (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
794 (r->width != w || r->height != h))
795 return -ERANGE;
796 r->width = w;
797 r->height = h;
798 return 0;
799}
800
801int vivid_enum_fmt_vid(struct file *file, void *priv,
802 struct v4l2_fmtdesc *f)
803{
804 struct vivid_dev *dev = video_drvdata(file);
805 const struct vivid_fmt *fmt;
806
807 if (f->index >= ARRAY_SIZE(vivid_formats) -
808 (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
809 return -EINVAL;
810
811 fmt = &vivid_formats[f->index];
812
ef834f78
HV		 813 f->pixelformat = fmt->fourcc;
814 return 0;
815}
816
817int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv,
818 struct v4l2_fmtdesc *f)
819{
820 struct vivid_dev *dev = video_drvdata(file);
821
822 if (!dev->multiplanar)
823 return -ENOTTY;
824 return vivid_enum_fmt_vid(file, priv, f);
825}
826
827int vidioc_enum_fmt_vid(struct file *file, void *priv,
828 struct v4l2_fmtdesc *f)
829{
830 struct vivid_dev *dev = video_drvdata(file);
831
832 if (dev->multiplanar)
833 return -ENOTTY;
834 return vivid_enum_fmt_vid(file, priv, f);
835}
836
837int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
838{
839 struct vivid_dev *dev = video_drvdata(file);
840 struct video_device *vdev = video_devdata(file);
841
842 if (vdev->vfl_dir == VFL_DIR_RX) {
843 if (!vivid_is_sdtv_cap(dev))
844 return -ENODATA;
845 *id = dev->std_cap;
846 } else {
847 if (!vivid_is_svid_out(dev))
848 return -ENODATA;
849 *id = dev->std_out;
850 }
851 return 0;
852}
853
854int vidioc_g_dv_timings(struct file *file, void *_fh,
855 struct v4l2_dv_timings *timings)
856{
857 struct vivid_dev *dev = video_drvdata(file);
858 struct video_device *vdev = video_devdata(file);
859
860 if (vdev->vfl_dir == VFL_DIR_RX) {
861 if (!vivid_is_hdmi_cap(dev))
862 return -ENODATA;
863 *timings = dev->dv_timings_cap;
864 } else {
865 if (!vivid_is_hdmi_out(dev))
866 return -ENODATA;
867 *timings = dev->dv_timings_out;
868 }
869 return 0;
870}
871
872int vidioc_enum_dv_timings(struct file *file, void *_fh,
873 struct v4l2_enum_dv_timings *timings)
874{
875 struct vivid_dev *dev = video_drvdata(file);
876 struct video_device *vdev = video_devdata(file);
877
878 if (vdev->vfl_dir == VFL_DIR_RX) {
879 if (!vivid_is_hdmi_cap(dev))
880 return -ENODATA;
881 } else {
882 if (!vivid_is_hdmi_out(dev))
883 return -ENODATA;
884 }
885 return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
886 NULL, NULL);
887}
888
889int vidioc_dv_timings_cap(struct file *file, void *_fh,
890 struct v4l2_dv_timings_cap *cap)
891{
892 struct vivid_dev *dev = video_drvdata(file);
893 struct video_device *vdev = video_devdata(file);
894
895 if (vdev->vfl_dir == VFL_DIR_RX) {
896 if (!vivid_is_hdmi_cap(dev))
897 return -ENODATA;
898 } else {
899 if (!vivid_is_hdmi_out(dev))
900 return -ENODATA;
901 }
902 *cap = vivid_dv_timings_cap;
903 return 0;
904}
905
906int vidioc_g_edid(struct file *file, void *_fh,
907 struct v4l2_edid *edid)
908{
909 struct vivid_dev *dev = video_drvdata(file);
910 struct video_device *vdev = video_devdata(file);
911
912 memset(edid->reserved, 0, sizeof(edid->reserved));
913 if (vdev->vfl_dir == VFL_DIR_RX) {
914 if (edid->pad >= dev->num_inputs)
915 return -EINVAL;
916 if (dev->input_type[edid->pad] != HDMI)
917 return -EINVAL;
918 } else {
919 if (edid->pad >= dev->num_outputs)
920 return -EINVAL;
921 if (dev->output_type[edid->pad] != HDMI)
922 return -EINVAL;
923 }
924 if (edid->start_block == 0 && edid->blocks == 0) {
925 edid->blocks = dev->edid_blocks;
926 return 0;
927 }
928 if (dev->edid_blocks == 0)
929 return -ENODATA;
930 if (edid->start_block >= dev->edid_blocks)
931 return -EINVAL;
932 if (edid->start_block + edid->blocks > dev->edid_blocks)
933 edid->blocks = dev->edid_blocks - edid->start_block;
934 memcpy(edid->edid, dev->edid, edid->blocks * 128);
935 return 0;
936}
Linux kernel - Deliverables
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