1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * vivid-vid-common.c - common video support functions.
4 *
5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
6 */
7
8 #include <linux/errno.h>
9 #include <linux/kernel.h>
10 #include <linux/sched.h>
11 #include <linux/videodev2.h>
12 #include <linux/v4l2-dv-timings.h>
13 #include <media/v4l2-common.h>
14 #include <media/v4l2-event.h>
15 #include <media/v4l2-dv-timings.h>
16
17 #include "vivid-core.h"
18 #include "vivid-vid-common.h"
19
20 const struct v4l2_dv_timings_cap vivid_dv_timings_cap = {
21 .type = V4L2_DV_BT_656_1120,
22 /* keep this initialization for compatibility with GCC < 4.4.6 */
23 .reserved = { 0 },
24 V4L2_INIT_BT_TIMINGS(16, MAX_WIDTH, 16, MAX_HEIGHT, 14000000, 775000000,
25 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
26 V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF,
27 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
28 };
29
30 /* ------------------------------------------------------------------
31 Basic structures
32 ------------------------------------------------------------------*/
33
34 struct vivid_fmt vivid_formats[] = {
35 {
36 .fourcc = V4L2_PIX_FMT_YUYV,
37 .vdownsampling = { 1 },
38 .bit_depth = { 16 },
39 .color_enc = TGP_COLOR_ENC_YCBCR,
40 .planes = 1,
41 .buffers = 1,
42 .data_offset = { PLANE0_DATA_OFFSET },
43 },
44 {
45 .fourcc = V4L2_PIX_FMT_UYVY,
46 .vdownsampling = { 1 },
47 .bit_depth = { 16 },
48 .color_enc = TGP_COLOR_ENC_YCBCR,
49 .planes = 1,
50 .buffers = 1,
51 },
52 {
53 .fourcc = V4L2_PIX_FMT_YVYU,
54 .vdownsampling = { 1 },
55 .bit_depth = { 16 },
56 .color_enc = TGP_COLOR_ENC_YCBCR,
57 .planes = 1,
58 .buffers = 1,
59 },
60 {
61 .fourcc = V4L2_PIX_FMT_VYUY,
62 .vdownsampling = { 1 },
63 .bit_depth = { 16 },
64 .color_enc = TGP_COLOR_ENC_YCBCR,
65 .planes = 1,
66 .buffers = 1,
67 },
68 {
69 .fourcc = V4L2_PIX_FMT_YUV422P,
70 .vdownsampling = { 1, 1, 1 },
71 .bit_depth = { 8, 4, 4 },
72 .color_enc = TGP_COLOR_ENC_YCBCR,
73 .planes = 3,
74 .buffers = 1,
75 },
76 {
77 .fourcc = V4L2_PIX_FMT_YUV420,
78 .vdownsampling = { 1, 2, 2 },
79 .bit_depth = { 8, 4, 4 },
80 .color_enc = TGP_COLOR_ENC_YCBCR,
81 .planes = 3,
82 .buffers = 1,
83 },
84 {
85 .fourcc = V4L2_PIX_FMT_YVU420,
86 .vdownsampling = { 1, 2, 2 },
87 .bit_depth = { 8, 4, 4 },
88 .color_enc = TGP_COLOR_ENC_YCBCR,
89 .planes = 3,
90 .buffers = 1,
91 },
92 {
93 .fourcc = V4L2_PIX_FMT_NV12,
94 .vdownsampling = { 1, 2 },
95 .bit_depth = { 8, 8 },
96 .color_enc = TGP_COLOR_ENC_YCBCR,
97 .planes = 2,
98 .buffers = 1,
99 },
100 {
101 .fourcc = V4L2_PIX_FMT_NV21,
102 .vdownsampling = { 1, 2 },
103 .bit_depth = { 8, 8 },
104 .color_enc = TGP_COLOR_ENC_YCBCR,
105 .planes = 2,
106 .buffers = 1,
107 },
108 {
109 .fourcc = V4L2_PIX_FMT_NV16,
110 .vdownsampling = { 1, 1 },
111 .bit_depth = { 8, 8 },
112 .color_enc = TGP_COLOR_ENC_YCBCR,
113 .planes = 2,
114 .buffers = 1,
115 },
116 {
117 .fourcc = V4L2_PIX_FMT_NV61,
118 .vdownsampling = { 1, 1 },
119 .bit_depth = { 8, 8 },
120 .color_enc = TGP_COLOR_ENC_YCBCR,
121 .planes = 2,
122 .buffers = 1,
123 },
124 {
125 .fourcc = V4L2_PIX_FMT_NV24,
126 .vdownsampling = { 1, 1 },
127 .bit_depth = { 8, 16 },
128 .color_enc = TGP_COLOR_ENC_YCBCR,
129 .planes = 2,
130 .buffers = 1,
131 },
132 {
133 .fourcc = V4L2_PIX_FMT_NV42,
134 .vdownsampling = { 1, 1 },
135 .bit_depth = { 8, 16 },
136 .color_enc = TGP_COLOR_ENC_YCBCR,
137 .planes = 2,
138 .buffers = 1,
139 },
140 {
141 .fourcc = V4L2_PIX_FMT_YUV555, /* uuuvvvvv ayyyyyuu */
142 .vdownsampling = { 1 },
143 .bit_depth = { 16 },
144 .planes = 1,
145 .buffers = 1,
146 .alpha_mask = 0x8000,
147 },
148 {
149 .fourcc = V4L2_PIX_FMT_YUV565, /* uuuvvvvv yyyyyuuu */
150 .vdownsampling = { 1 },
151 .bit_depth = { 16 },
152 .planes = 1,
153 .buffers = 1,
154 },
155 {
156 .fourcc = V4L2_PIX_FMT_YUV444, /* uuuuvvvv aaaayyyy */
157 .vdownsampling = { 1 },
158 .bit_depth = { 16 },
159 .planes = 1,
160 .buffers = 1,
161 .alpha_mask = 0xf000,
162 },
163 {
164 .fourcc = V4L2_PIX_FMT_YUV32, /* ayuv */
165 .vdownsampling = { 1 },
166 .bit_depth = { 32 },
167 .planes = 1,
168 .buffers = 1,
169 .alpha_mask = 0x000000ff,
170 },
171 {
172 .fourcc = V4L2_PIX_FMT_AYUV32,
173 .vdownsampling = { 1 },
174 .bit_depth = { 32 },
175 .planes = 1,
176 .buffers = 1,
177 .alpha_mask = 0x000000ff,
178 },
179 {
180 .fourcc = V4L2_PIX_FMT_XYUV32,
181 .vdownsampling = { 1 },
182 .bit_depth = { 32 },
183 .planes = 1,
184 .buffers = 1,
185 },
186 {
187 .fourcc = V4L2_PIX_FMT_VUYA32,
188 .vdownsampling = { 1 },
189 .bit_depth = { 32 },
190 .planes = 1,
191 .buffers = 1,
192 .alpha_mask = 0xff000000,
193 },
194 {
195 .fourcc = V4L2_PIX_FMT_VUYX32,
196 .vdownsampling = { 1 },
197 .bit_depth = { 32 },
198 .planes = 1,
199 .buffers = 1,
200 },
201 {
202 .fourcc = V4L2_PIX_FMT_GREY,
203 .vdownsampling = { 1 },
204 .bit_depth = { 8 },
205 .color_enc = TGP_COLOR_ENC_LUMA,
206 .planes = 1,
207 .buffers = 1,
208 },
209 {
210 .fourcc = V4L2_PIX_FMT_Y10,
211 .vdownsampling = { 1 },
212 .bit_depth = { 16 },
213 .color_enc = TGP_COLOR_ENC_LUMA,
214 .planes = 1,
215 .buffers = 1,
216 },
217 {
218 .fourcc = V4L2_PIX_FMT_Y12,
219 .vdownsampling = { 1 },
220 .bit_depth = { 16 },
221 .color_enc = TGP_COLOR_ENC_LUMA,
222 .planes = 1,
223 .buffers = 1,
224 },
225 {
226 .fourcc = V4L2_PIX_FMT_Y16,
227 .vdownsampling = { 1 },
228 .bit_depth = { 16 },
229 .color_enc = TGP_COLOR_ENC_LUMA,
230 .planes = 1,
231 .buffers = 1,
232 },
233 {
234 .fourcc = V4L2_PIX_FMT_Y16_BE,
235 .vdownsampling = { 1 },
236 .bit_depth = { 16 },
237 .color_enc = TGP_COLOR_ENC_LUMA,
238 .planes = 1,
239 .buffers = 1,
240 },
241 {
242 .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
243 .vdownsampling = { 1 },
244 .bit_depth = { 8 },
245 .planes = 1,
246 .buffers = 1,
247 },
248 {
249 .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
250 .vdownsampling = { 1 },
251 .bit_depth = { 16 },
252 .planes = 1,
253 .buffers = 1,
254 .can_do_overlay = true,
255 },
256 {
257 .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
258 .vdownsampling = { 1 },
259 .bit_depth = { 16 },
260 .planes = 1,
261 .buffers = 1,
262 .can_do_overlay = true,
263 },
264 {
265 .fourcc = V4L2_PIX_FMT_RGB444, /* ggggbbbb xxxxrrrr */
266 .vdownsampling = { 1 },
267 .bit_depth = { 16 },
268 .planes = 1,
269 .buffers = 1,
270 },
271 {
272 .fourcc = V4L2_PIX_FMT_XRGB444, /* ggggbbbb xxxxrrrr */
273 .vdownsampling = { 1 },
274 .bit_depth = { 16 },
275 .planes = 1,
276 .buffers = 1,
277 },
278 {
279 .fourcc = V4L2_PIX_FMT_ARGB444, /* ggggbbbb aaaarrrr */
280 .vdownsampling = { 1 },
281 .bit_depth = { 16 },
282 .planes = 1,
283 .buffers = 1,
284 .alpha_mask = 0x00f0,
285 },
286 {
287 .fourcc = V4L2_PIX_FMT_RGBX444, /* bbbbxxxx rrrrgggg */
288 .vdownsampling = { 1 },
289 .bit_depth = { 16 },
290 .planes = 1,
291 .buffers = 1,
292 },
293 {
294 .fourcc = V4L2_PIX_FMT_RGBA444, /* bbbbaaaa rrrrgggg */
295 .vdownsampling = { 1 },
296 .bit_depth = { 16 },
297 .planes = 1,
298 .buffers = 1,
299 .alpha_mask = 0x00f0,
300 },
301 {
302 .fourcc = V4L2_PIX_FMT_XBGR444, /* ggggrrrr xxxxbbbb */
303 .vdownsampling = { 1 },
304 .bit_depth = { 16 },
305 .planes = 1,
306 .buffers = 1,
307 },
308 {
309 .fourcc = V4L2_PIX_FMT_ABGR444, /* ggggrrrr aaaabbbb */
310 .vdownsampling = { 1 },
311 .bit_depth = { 16 },
312 .planes = 1,
313 .buffers = 1,
314 .alpha_mask = 0x00f0,
315 },
316 {
317 .fourcc = V4L2_PIX_FMT_BGRX444, /* rrrrxxxx bbbbgggg */
318 .vdownsampling = { 1 },
319 .bit_depth = { 16 },
320 .planes = 1,
321 .buffers = 1,
322 },
323 {
324 .fourcc = V4L2_PIX_FMT_BGRA444, /* rrrraaaa bbbbgggg */
325 .vdownsampling = { 1 },
326 .bit_depth = { 16 },
327 .planes = 1,
328 .buffers = 1,
329 .alpha_mask = 0x00f0,
330 },
331 {
332 .fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
333 .vdownsampling = { 1 },
334 .bit_depth = { 16 },
335 .planes = 1,
336 .buffers = 1,
337 .can_do_overlay = true,
338 },
339 {
340 .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb xrrrrrgg */
341 .vdownsampling = { 1 },
342 .bit_depth = { 16 },
343 .planes = 1,
344 .buffers = 1,
345 .can_do_overlay = true,
346 },
347 {
348 .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
349 .vdownsampling = { 1 },
350 .bit_depth = { 16 },
351 .planes = 1,
352 .buffers = 1,
353 .can_do_overlay = true,
354 .alpha_mask = 0x8000,
355 },
356 {
357 .fourcc = V4L2_PIX_FMT_RGBX555, /* ggbbbbbx rrrrrggg */
358 .vdownsampling = { 1 },
359 .bit_depth = { 16 },
360 .planes = 1,
361 .buffers = 1,
362 .can_do_overlay = true,
363 },
364 {
365 .fourcc = V4L2_PIX_FMT_RGBA555, /* ggbbbbba rrrrrggg */
366 .vdownsampling = { 1 },
367 .bit_depth = { 16 },
368 .planes = 1,
369 .buffers = 1,
370 .can_do_overlay = true,
371 .alpha_mask = 0x8000,
372 },
373 {
374 .fourcc = V4L2_PIX_FMT_XBGR555, /* gggrrrrr xbbbbbgg */
375 .vdownsampling = { 1 },
376 .bit_depth = { 16 },
377 .planes = 1,
378 .buffers = 1,
379 .can_do_overlay = true,
380 },
381 {
382 .fourcc = V4L2_PIX_FMT_ABGR555, /* gggrrrrr abbbbbgg */
383 .vdownsampling = { 1 },
384 .bit_depth = { 16 },
385 .planes = 1,
386 .buffers = 1,
387 .can_do_overlay = true,
388 .alpha_mask = 0x8000,
389 },
390 {
391 .fourcc = V4L2_PIX_FMT_BGRX555, /* ggrrrrrx bbbbbggg */
392 .vdownsampling = { 1 },
393 .bit_depth = { 16 },
394 .planes = 1,
395 .buffers = 1,
396 .can_do_overlay = true,
397 },
398 {
399 .fourcc = V4L2_PIX_FMT_BGRA555, /* ggrrrrra bbbbbggg */
400 .vdownsampling = { 1 },
401 .bit_depth = { 16 },
402 .planes = 1,
403 .buffers = 1,
404 .can_do_overlay = true,
405 .alpha_mask = 0x8000,
406 },
407 {
408 .fourcc = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
409 .vdownsampling = { 1 },
410 .bit_depth = { 16 },
411 .planes = 1,
412 .buffers = 1,
413 },
414 {
415 .fourcc = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
416 .vdownsampling = { 1 },
417 .bit_depth = { 16 },
418 .planes = 1,
419 .buffers = 1,
420 },
421 {
422 .fourcc = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
423 .vdownsampling = { 1 },
424 .bit_depth = { 16 },
425 .planes = 1,
426 .buffers = 1,
427 .alpha_mask = 0x0080,
428 },
429 {
430 .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
431 .vdownsampling = { 1 },
432 .bit_depth = { 24 },
433 .planes = 1,
434 .buffers = 1,
435 },
436 {
437 .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
438 .vdownsampling = { 1 },
439 .bit_depth = { 24 },
440 .planes = 1,
441 .buffers = 1,
442 },
443 {
444 .fourcc = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
445 .vdownsampling = { 1 },
446 .bit_depth = { 32 },
447 .planes = 1,
448 .buffers = 1,
449 },
450 {
451 .fourcc = V4L2_PIX_FMT_RGB32, /* xrgb */
452 .vdownsampling = { 1 },
453 .bit_depth = { 32 },
454 .planes = 1,
455 .buffers = 1,
456 },
457 {
458 .fourcc = V4L2_PIX_FMT_BGR32, /* bgrx */
459 .vdownsampling = { 1 },
460 .bit_depth = { 32 },
461 .planes = 1,
462 .buffers = 1,
463 },
464 {
465 .fourcc = V4L2_PIX_FMT_XRGB32, /* xrgb */
466 .vdownsampling = { 1 },
467 .bit_depth = { 32 },
468 .planes = 1,
469 .buffers = 1,
470 },
471 {
472 .fourcc = V4L2_PIX_FMT_XBGR32, /* bgrx */
473 .vdownsampling = { 1 },
474 .bit_depth = { 32 },
475 .planes = 1,
476 .buffers = 1,
477 },
478 {
479 .fourcc = V4L2_PIX_FMT_ARGB32, /* argb */
480 .vdownsampling = { 1 },
481 .bit_depth = { 32 },
482 .planes = 1,
483 .buffers = 1,
484 .alpha_mask = 0x000000ff,
485 },
486 {
487 .fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */
488 .vdownsampling = { 1 },
489 .bit_depth = { 32 },
490 .planes = 1,
491 .buffers = 1,
492 .alpha_mask = 0xff000000,
493 },
494 {
495 .fourcc = V4L2_PIX_FMT_RGBX32, /* rgbx */
496 .vdownsampling = { 1 },
497 .bit_depth = { 32 },
498 .planes = 1,
499 .buffers = 1,
500 },
501 {
502 .fourcc = V4L2_PIX_FMT_BGRX32, /* xbgr */
503 .vdownsampling = { 1 },
504 .bit_depth = { 32 },
505 .planes = 1,
506 .buffers = 1,
507 },
508 {
509 .fourcc = V4L2_PIX_FMT_RGBA32, /* rgba */
510 .vdownsampling = { 1 },
511 .bit_depth = { 32 },
512 .planes = 1,
513 .buffers = 1,
514 .alpha_mask = 0x000000ff,
515 },
516 {
517 .fourcc = V4L2_PIX_FMT_BGRA32, /* abgr */
518 .vdownsampling = { 1 },
519 .bit_depth = { 32 },
520 .planes = 1,
521 .buffers = 1,
522 .alpha_mask = 0xff000000,
523 },
524 {
525 .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
526 .vdownsampling = { 1 },
527 .bit_depth = { 8 },
528 .planes = 1,
529 .buffers = 1,
530 },
531 {
532 .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
533 .vdownsampling = { 1 },
534 .bit_depth = { 8 },
535 .planes = 1,
536 .buffers = 1,
537 },
538 {
539 .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
540 .vdownsampling = { 1 },
541 .bit_depth = { 8 },
542 .planes = 1,
543 .buffers = 1,
544 },
545 {
546 .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
547 .vdownsampling = { 1 },
548 .bit_depth = { 8 },
549 .planes = 1,
550 .buffers = 1,
551 },
552 {
553 .fourcc = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
554 .vdownsampling = { 1 },
555 .bit_depth = { 16 },
556 .planes = 1,
557 .buffers = 1,
558 },
559 {
560 .fourcc = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
561 .vdownsampling = { 1 },
562 .bit_depth = { 16 },
563 .planes = 1,
564 .buffers = 1,
565 },
566 {
567 .fourcc = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
568 .vdownsampling = { 1 },
569 .bit_depth = { 16 },
570 .planes = 1,
571 .buffers = 1,
572 },
573 {
574 .fourcc = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
575 .vdownsampling = { 1 },
576 .bit_depth = { 16 },
577 .planes = 1,
578 .buffers = 1,
579 },
580 {
581 .fourcc = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
582 .vdownsampling = { 1 },
583 .bit_depth = { 16 },
584 .planes = 1,
585 .buffers = 1,
586 },
587 {
588 .fourcc = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
589 .vdownsampling = { 1 },
590 .bit_depth = { 16 },
591 .planes = 1,
592 .buffers = 1,
593 },
594 {
595 .fourcc = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
596 .vdownsampling = { 1 },
597 .bit_depth = { 16 },
598 .planes = 1,
599 .buffers = 1,
600 },
601 {
602 .fourcc = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
603 .vdownsampling = { 1 },
604 .bit_depth = { 16 },
605 .planes = 1,
606 .buffers = 1,
607 },
608 {
609 .fourcc = V4L2_PIX_FMT_SBGGR16, /* Bayer BG/GR */
610 .vdownsampling = { 1 },
611 .bit_depth = { 16 },
612 .planes = 1,
613 .buffers = 1,
614 },
615 {
616 .fourcc = V4L2_PIX_FMT_SGBRG16, /* Bayer GB/RG */
617 .vdownsampling = { 1 },
618 .bit_depth = { 16 },
619 .planes = 1,
620 .buffers = 1,
621 },
622 {
623 .fourcc = V4L2_PIX_FMT_SGRBG16, /* Bayer GR/BG */
624 .vdownsampling = { 1 },
625 .bit_depth = { 16 },
626 .planes = 1,
627 .buffers = 1,
628 },
629 {
630 .fourcc = V4L2_PIX_FMT_SRGGB16, /* Bayer RG/GB */
631 .vdownsampling = { 1 },
632 .bit_depth = { 16 },
633 .planes = 1,
634 .buffers = 1,
635 },
636 {
637 .fourcc = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
638 .color_enc = TGP_COLOR_ENC_HSV,
639 .vdownsampling = { 1 },
640 .bit_depth = { 24 },
641 .planes = 1,
642 .buffers = 1,
643 },
644 {
645 .fourcc = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
646 .color_enc = TGP_COLOR_ENC_HSV,
647 .vdownsampling = { 1 },
648 .bit_depth = { 32 },
649 .planes = 1,
650 .buffers = 1,
651 },
652
653 /* Multiplanar formats */
654
655 {
656 .fourcc = V4L2_PIX_FMT_NV16M,
657 .vdownsampling = { 1, 1 },
658 .bit_depth = { 8, 8 },
659 .color_enc = TGP_COLOR_ENC_YCBCR,
660 .planes = 2,
661 .buffers = 2,
662 .data_offset = { PLANE0_DATA_OFFSET, 0 },
663 },
664 {
665 .fourcc = V4L2_PIX_FMT_NV61M,
666 .vdownsampling = { 1, 1 },
667 .bit_depth = { 8, 8 },
668 .color_enc = TGP_COLOR_ENC_YCBCR,
669 .planes = 2,
670 .buffers = 2,
671 .data_offset = { 0, PLANE0_DATA_OFFSET },
672 },
673 {
674 .fourcc = V4L2_PIX_FMT_YUV420M,
675 .vdownsampling = { 1, 2, 2 },
676 .bit_depth = { 8, 4, 4 },
677 .color_enc = TGP_COLOR_ENC_YCBCR,
678 .planes = 3,
679 .buffers = 3,
680 },
681 {
682 .fourcc = V4L2_PIX_FMT_YVU420M,
683 .vdownsampling = { 1, 2, 2 },
684 .bit_depth = { 8, 4, 4 },
685 .color_enc = TGP_COLOR_ENC_YCBCR,
686 .planes = 3,
687 .buffers = 3,
688 },
689 {
690 .fourcc = V4L2_PIX_FMT_NV12M,
691 .vdownsampling = { 1, 2 },
692 .bit_depth = { 8, 8 },
693 .color_enc = TGP_COLOR_ENC_YCBCR,
694 .planes = 2,
695 .buffers = 2,
696 },
697 {
698 .fourcc = V4L2_PIX_FMT_NV21M,
699 .vdownsampling = { 1, 2 },
700 .bit_depth = { 8, 8 },
701 .color_enc = TGP_COLOR_ENC_YCBCR,
702 .planes = 2,
703 .buffers = 2,
704 },
705 {
706 .fourcc = V4L2_PIX_FMT_YUV422M,
707 .vdownsampling = { 1, 1, 1 },
708 .bit_depth = { 8, 4, 4 },
709 .color_enc = TGP_COLOR_ENC_YCBCR,
710 .planes = 3,
711 .buffers = 3,
712 },
713 {
714 .fourcc = V4L2_PIX_FMT_YVU422M,
715 .vdownsampling = { 1, 1, 1 },
716 .bit_depth = { 8, 4, 4 },
717 .color_enc = TGP_COLOR_ENC_YCBCR,
718 .planes = 3,
719 .buffers = 3,
720 },
721 {
722 .fourcc = V4L2_PIX_FMT_YUV444M,
723 .vdownsampling = { 1, 1, 1 },
724 .bit_depth = { 8, 8, 8 },
725 .color_enc = TGP_COLOR_ENC_YCBCR,
726 .planes = 3,
727 .buffers = 3,
728 },
729 {
730 .fourcc = V4L2_PIX_FMT_YVU444M,
731 .vdownsampling = { 1, 1, 1 },
732 .bit_depth = { 8, 8, 8 },
733 .color_enc = TGP_COLOR_ENC_YCBCR,
734 .planes = 3,
735 .buffers = 3,
736 },
737 };
738
739 /* There are this many multiplanar formats in the list */
740 #define VIVID_MPLANAR_FORMATS 10
741
vivid_get_format(struct vivid_dev * dev,u32 pixelformat)742 const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
743 {
744 const struct vivid_fmt *fmt;
745 unsigned k;
746
747 for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
748 fmt = &vivid_formats[k];
749 if (fmt->fourcc == pixelformat)
750 if (fmt->buffers == 1 || dev->multiplanar)
751 return fmt;
752 }
753
754 return NULL;
755 }
756
vivid_vid_can_loop(struct vivid_dev * dev)757 bool vivid_vid_can_loop(struct vivid_dev *dev)
758 {
759 if (dev->src_rect.width != dev->sink_rect.width ||
760 dev->src_rect.height != dev->sink_rect.height)
761 return false;
762 if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
763 return false;
764 if (dev->field_cap != dev->field_out)
765 return false;
766 /*
767 * While this can be supported, it is just too much work
768 * to actually implement.
769 */
770 if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
771 dev->field_cap == V4L2_FIELD_SEQ_BT)
772 return false;
773 if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
774 if (!(dev->std_cap[dev->input] & V4L2_STD_525_60) !=
775 !(dev->std_out & V4L2_STD_525_60))
776 return false;
777 return true;
778 }
779 if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
780 return true;
781 return false;
782 }
783
vivid_send_source_change(struct vivid_dev * dev,unsigned type)784 void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
785 {
786 struct v4l2_event ev = {
787 .type = V4L2_EVENT_SOURCE_CHANGE,
788 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
789 };
790 unsigned i;
791
792 for (i = 0; i < dev->num_inputs; i++) {
793 ev.id = i;
794 if (dev->input_type[i] == type) {
795 if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
796 v4l2_event_queue(&dev->vid_cap_dev, &ev);
797 if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
798 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
799 }
800 }
801 }
802
803 /*
804 * Conversion function that converts a single-planar format to a
805 * single-plane multiplanar format.
806 */
fmt_sp2mp(const struct v4l2_format * sp_fmt,struct v4l2_format * mp_fmt)807 void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
808 {
809 struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
810 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
811 const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
812 bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
813
814 memset(mp->reserved, 0, sizeof(mp->reserved));
815 mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
816 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
817 mp->width = pix->width;
818 mp->height = pix->height;
819 mp->pixelformat = pix->pixelformat;
820 mp->field = pix->field;
821 mp->colorspace = pix->colorspace;
822 mp->xfer_func = pix->xfer_func;
823 /* Also copies hsv_enc */
824 mp->ycbcr_enc = pix->ycbcr_enc;
825 mp->quantization = pix->quantization;
826 mp->num_planes = 1;
827 mp->flags = pix->flags;
828 ppix->sizeimage = pix->sizeimage;
829 ppix->bytesperline = pix->bytesperline;
830 memset(ppix->reserved, 0, sizeof(ppix->reserved));
831 }
832
fmt_sp2mp_func(struct file * file,void * priv,struct v4l2_format * f,fmtfunc func)833 int fmt_sp2mp_func(struct file *file, void *priv,
834 struct v4l2_format *f, fmtfunc func)
835 {
836 struct v4l2_format fmt;
837 struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
838 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
839 struct v4l2_pix_format *pix = &f->fmt.pix;
840 int ret;
841
842 /* Converts to a mplane format */
843 fmt_sp2mp(f, &fmt);
844 /* Passes it to the generic mplane format function */
845 ret = func(file, priv, &fmt);
846 /* Copies back the mplane data to the single plane format */
847 pix->width = mp->width;
848 pix->height = mp->height;
849 pix->pixelformat = mp->pixelformat;
850 pix->field = mp->field;
851 pix->colorspace = mp->colorspace;
852 pix->xfer_func = mp->xfer_func;
853 /* Also copies hsv_enc */
854 pix->ycbcr_enc = mp->ycbcr_enc;
855 pix->quantization = mp->quantization;
856 pix->sizeimage = ppix->sizeimage;
857 pix->bytesperline = ppix->bytesperline;
858 pix->flags = mp->flags;
859 return ret;
860 }
861
vivid_vid_adjust_sel(unsigned flags,struct v4l2_rect * r)862 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
863 {
864 unsigned w = r->width;
865 unsigned h = r->height;
866
867 /* sanitize w and h in case someone passes ~0 as the value */
868 w &= 0xffff;
869 h &= 0xffff;
870 if (!(flags & V4L2_SEL_FLAG_LE)) {
871 w++;
872 h++;
873 if (w < 2)
874 w = 2;
875 if (h < 2)
876 h = 2;
877 }
878 if (!(flags & V4L2_SEL_FLAG_GE)) {
879 if (w > MAX_WIDTH)
880 w = MAX_WIDTH;
881 if (h > MAX_HEIGHT)
882 h = MAX_HEIGHT;
883 }
884 w = w & ~1;
885 h = h & ~1;
886 if (w < 2 || h < 2)
887 return -ERANGE;
888 if (w > MAX_WIDTH || h > MAX_HEIGHT)
889 return -ERANGE;
890 if (r->top < 0)
891 r->top = 0;
892 if (r->left < 0)
893 r->left = 0;
894 /* sanitize left and top in case someone passes ~0 as the value */
895 r->left &= 0xfffe;
896 r->top &= 0xfffe;
897 if (r->left + w > MAX_WIDTH)
898 r->left = MAX_WIDTH - w;
899 if (r->top + h > MAX_HEIGHT)
900 r->top = MAX_HEIGHT - h;
901 if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
902 (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
903 (r->width != w || r->height != h))
904 return -ERANGE;
905 r->width = w;
906 r->height = h;
907 return 0;
908 }
909
vivid_enum_fmt_vid(struct file * file,void * priv,struct v4l2_fmtdesc * f)910 int vivid_enum_fmt_vid(struct file *file, void *priv,
911 struct v4l2_fmtdesc *f)
912 {
913 struct vivid_dev *dev = video_drvdata(file);
914 const struct vivid_fmt *fmt;
915
916 if (f->index >= ARRAY_SIZE(vivid_formats) -
917 (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
918 return -EINVAL;
919
920 fmt = &vivid_formats[f->index];
921
922 f->pixelformat = fmt->fourcc;
923
924 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
925 f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
926 return 0;
927 /*
928 * For capture devices, we support the CSC API.
929 * We allow userspace to:
930 * 1. set the colorspace
931 * 2. set the xfer_func
932 * 3. set the ycbcr_enc on YUV formats
933 * 4. set the hsv_enc on HSV formats
934 * 5. set the quantization on YUV and RGB formats
935 */
936 f->flags |= V4L2_FMT_FLAG_CSC_COLORSPACE;
937 f->flags |= V4L2_FMT_FLAG_CSC_XFER_FUNC;
938
939 if (fmt->color_enc == TGP_COLOR_ENC_YCBCR) {
940 f->flags |= V4L2_FMT_FLAG_CSC_YCBCR_ENC;
941 f->flags |= V4L2_FMT_FLAG_CSC_QUANTIZATION;
942 } else if (fmt->color_enc == TGP_COLOR_ENC_HSV) {
943 f->flags |= V4L2_FMT_FLAG_CSC_HSV_ENC;
944 } else if (fmt->color_enc == TGP_COLOR_ENC_RGB) {
945 f->flags |= V4L2_FMT_FLAG_CSC_QUANTIZATION;
946 }
947
948 return 0;
949 }
950
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * id)951 int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
952 {
953 struct vivid_dev *dev = video_drvdata(file);
954 struct video_device *vdev = video_devdata(file);
955
956 if (vdev->vfl_dir == VFL_DIR_RX) {
957 if (!vivid_is_sdtv_cap(dev))
958 return -ENODATA;
959 *id = dev->std_cap[dev->input];
960 } else {
961 if (!vivid_is_svid_out(dev))
962 return -ENODATA;
963 *id = dev->std_out;
964 }
965 return 0;
966 }
967
vidioc_g_dv_timings(struct file * file,void * _fh,struct v4l2_dv_timings * timings)968 int vidioc_g_dv_timings(struct file *file, void *_fh,
969 struct v4l2_dv_timings *timings)
970 {
971 struct vivid_dev *dev = video_drvdata(file);
972 struct video_device *vdev = video_devdata(file);
973
974 if (vdev->vfl_dir == VFL_DIR_RX) {
975 if (!vivid_is_hdmi_cap(dev))
976 return -ENODATA;
977 *timings = dev->dv_timings_cap[dev->input];
978 } else {
979 if (!vivid_is_hdmi_out(dev))
980 return -ENODATA;
981 *timings = dev->dv_timings_out;
982 }
983 return 0;
984 }
985
vidioc_enum_dv_timings(struct file * file,void * _fh,struct v4l2_enum_dv_timings * timings)986 int vidioc_enum_dv_timings(struct file *file, void *_fh,
987 struct v4l2_enum_dv_timings *timings)
988 {
989 struct vivid_dev *dev = video_drvdata(file);
990 struct video_device *vdev = video_devdata(file);
991
992 if (vdev->vfl_dir == VFL_DIR_RX) {
993 if (!vivid_is_hdmi_cap(dev))
994 return -ENODATA;
995 } else {
996 if (!vivid_is_hdmi_out(dev))
997 return -ENODATA;
998 }
999 return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
1000 NULL, NULL);
1001 }
1002
vidioc_dv_timings_cap(struct file * file,void * _fh,struct v4l2_dv_timings_cap * cap)1003 int vidioc_dv_timings_cap(struct file *file, void *_fh,
1004 struct v4l2_dv_timings_cap *cap)
1005 {
1006 struct vivid_dev *dev = video_drvdata(file);
1007 struct video_device *vdev = video_devdata(file);
1008
1009 if (vdev->vfl_dir == VFL_DIR_RX) {
1010 if (!vivid_is_hdmi_cap(dev))
1011 return -ENODATA;
1012 } else {
1013 if (!vivid_is_hdmi_out(dev))
1014 return -ENODATA;
1015 }
1016 *cap = vivid_dv_timings_cap;
1017 return 0;
1018 }
1019
vidioc_g_edid(struct file * file,void * _fh,struct v4l2_edid * edid)1020 int vidioc_g_edid(struct file *file, void *_fh,
1021 struct v4l2_edid *edid)
1022 {
1023 struct vivid_dev *dev = video_drvdata(file);
1024 struct video_device *vdev = video_devdata(file);
1025 struct cec_adapter *adap;
1026
1027 memset(edid->reserved, 0, sizeof(edid->reserved));
1028 if (vdev->vfl_dir == VFL_DIR_RX) {
1029 if (edid->pad >= dev->num_inputs)
1030 return -EINVAL;
1031 if (dev->input_type[edid->pad] != HDMI)
1032 return -EINVAL;
1033 adap = dev->cec_rx_adap;
1034 } else {
1035 unsigned int bus_idx;
1036
1037 if (edid->pad >= dev->num_outputs)
1038 return -EINVAL;
1039 if (dev->output_type[edid->pad] != HDMI)
1040 return -EINVAL;
1041 if (!dev->display_present[edid->pad])
1042 return -ENODATA;
1043 bus_idx = dev->cec_output2bus_map[edid->pad];
1044 adap = dev->cec_tx_adap[bus_idx];
1045 }
1046 if (edid->start_block == 0 && edid->blocks == 0) {
1047 edid->blocks = dev->edid_blocks;
1048 return 0;
1049 }
1050 if (dev->edid_blocks == 0)
1051 return -ENODATA;
1052 if (edid->start_block >= dev->edid_blocks)
1053 return -EINVAL;
1054 if (edid->blocks > dev->edid_blocks - edid->start_block)
1055 edid->blocks = dev->edid_blocks - edid->start_block;
1056 if (adap)
1057 v4l2_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr);
1058 memcpy(edid->edid, dev->edid + edid->start_block * 128, edid->blocks * 128);
1059 return 0;
1060 }
1061