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_YUVA32,
203 .vdownsampling = { 1 },
204 .bit_depth = { 32 },
205 .planes = 1,
206 .buffers = 1,
207 .alpha_mask = 0xff000000,
208 },
209 {
210 .fourcc = V4L2_PIX_FMT_YUVX32,
211 .vdownsampling = { 1 },
212 .bit_depth = { 32 },
213 .planes = 1,
214 .buffers = 1,
215 },
216 {
217 .fourcc = V4L2_PIX_FMT_GREY,
218 .vdownsampling = { 1 },
219 .bit_depth = { 8 },
220 .color_enc = TGP_COLOR_ENC_LUMA,
221 .planes = 1,
222 .buffers = 1,
223 },
224 {
225 .fourcc = V4L2_PIX_FMT_Y10,
226 .vdownsampling = { 1 },
227 .bit_depth = { 16 },
228 .color_enc = TGP_COLOR_ENC_LUMA,
229 .planes = 1,
230 .buffers = 1,
231 },
232 {
233 .fourcc = V4L2_PIX_FMT_Y12,
234 .vdownsampling = { 1 },
235 .bit_depth = { 16 },
236 .color_enc = TGP_COLOR_ENC_LUMA,
237 .planes = 1,
238 .buffers = 1,
239 },
240 {
241 .fourcc = V4L2_PIX_FMT_Y16,
242 .vdownsampling = { 1 },
243 .bit_depth = { 16 },
244 .color_enc = TGP_COLOR_ENC_LUMA,
245 .planes = 1,
246 .buffers = 1,
247 },
248 {
249 .fourcc = V4L2_PIX_FMT_Y16_BE,
250 .vdownsampling = { 1 },
251 .bit_depth = { 16 },
252 .color_enc = TGP_COLOR_ENC_LUMA,
253 .planes = 1,
254 .buffers = 1,
255 },
256 {
257 .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
258 .vdownsampling = { 1 },
259 .bit_depth = { 8 },
260 .planes = 1,
261 .buffers = 1,
262 },
263 {
264 .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
265 .vdownsampling = { 1 },
266 .bit_depth = { 16 },
267 .planes = 1,
268 .buffers = 1,
269 .can_do_overlay = true,
270 },
271 {
272 .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
273 .vdownsampling = { 1 },
274 .bit_depth = { 16 },
275 .planes = 1,
276 .buffers = 1,
277 .can_do_overlay = true,
278 },
279 {
280 .fourcc = V4L2_PIX_FMT_RGB444, /* ggggbbbb xxxxrrrr */
281 .vdownsampling = { 1 },
282 .bit_depth = { 16 },
283 .planes = 1,
284 .buffers = 1,
285 },
286 {
287 .fourcc = V4L2_PIX_FMT_XRGB444, /* ggggbbbb xxxxrrrr */
288 .vdownsampling = { 1 },
289 .bit_depth = { 16 },
290 .planes = 1,
291 .buffers = 1,
292 },
293 {
294 .fourcc = V4L2_PIX_FMT_ARGB444, /* ggggbbbb aaaarrrr */
295 .vdownsampling = { 1 },
296 .bit_depth = { 16 },
297 .planes = 1,
298 .buffers = 1,
299 .alpha_mask = 0x00f0,
300 },
301 {
302 .fourcc = V4L2_PIX_FMT_RGBX444, /* bbbbxxxx rrrrgggg */
303 .vdownsampling = { 1 },
304 .bit_depth = { 16 },
305 .planes = 1,
306 .buffers = 1,
307 },
308 {
309 .fourcc = V4L2_PIX_FMT_RGBA444, /* bbbbaaaa rrrrgggg */
310 .vdownsampling = { 1 },
311 .bit_depth = { 16 },
312 .planes = 1,
313 .buffers = 1,
314 .alpha_mask = 0x00f0,
315 },
316 {
317 .fourcc = V4L2_PIX_FMT_XBGR444, /* ggggrrrr xxxxbbbb */
318 .vdownsampling = { 1 },
319 .bit_depth = { 16 },
320 .planes = 1,
321 .buffers = 1,
322 },
323 {
324 .fourcc = V4L2_PIX_FMT_ABGR444, /* ggggrrrr aaaabbbb */
325 .vdownsampling = { 1 },
326 .bit_depth = { 16 },
327 .planes = 1,
328 .buffers = 1,
329 .alpha_mask = 0x00f0,
330 },
331 {
332 .fourcc = V4L2_PIX_FMT_BGRX444, /* rrrrxxxx bbbbgggg */
333 .vdownsampling = { 1 },
334 .bit_depth = { 16 },
335 .planes = 1,
336 .buffers = 1,
337 },
338 {
339 .fourcc = V4L2_PIX_FMT_BGRA444, /* rrrraaaa bbbbgggg */
340 .vdownsampling = { 1 },
341 .bit_depth = { 16 },
342 .planes = 1,
343 .buffers = 1,
344 .alpha_mask = 0x00f0,
345 },
346 {
347 .fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
348 .vdownsampling = { 1 },
349 .bit_depth = { 16 },
350 .planes = 1,
351 .buffers = 1,
352 .can_do_overlay = true,
353 },
354 {
355 .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb xrrrrrgg */
356 .vdownsampling = { 1 },
357 .bit_depth = { 16 },
358 .planes = 1,
359 .buffers = 1,
360 .can_do_overlay = true,
361 },
362 {
363 .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
364 .vdownsampling = { 1 },
365 .bit_depth = { 16 },
366 .planes = 1,
367 .buffers = 1,
368 .can_do_overlay = true,
369 .alpha_mask = 0x8000,
370 },
371 {
372 .fourcc = V4L2_PIX_FMT_RGBX555, /* ggbbbbbx rrrrrggg */
373 .vdownsampling = { 1 },
374 .bit_depth = { 16 },
375 .planes = 1,
376 .buffers = 1,
377 .can_do_overlay = true,
378 },
379 {
380 .fourcc = V4L2_PIX_FMT_RGBA555, /* ggbbbbba rrrrrggg */
381 .vdownsampling = { 1 },
382 .bit_depth = { 16 },
383 .planes = 1,
384 .buffers = 1,
385 .can_do_overlay = true,
386 .alpha_mask = 0x8000,
387 },
388 {
389 .fourcc = V4L2_PIX_FMT_XBGR555, /* gggrrrrr xbbbbbgg */
390 .vdownsampling = { 1 },
391 .bit_depth = { 16 },
392 .planes = 1,
393 .buffers = 1,
394 .can_do_overlay = true,
395 },
396 {
397 .fourcc = V4L2_PIX_FMT_ABGR555, /* gggrrrrr abbbbbgg */
398 .vdownsampling = { 1 },
399 .bit_depth = { 16 },
400 .planes = 1,
401 .buffers = 1,
402 .can_do_overlay = true,
403 .alpha_mask = 0x8000,
404 },
405 {
406 .fourcc = V4L2_PIX_FMT_BGRX555, /* ggrrrrrx bbbbbggg */
407 .vdownsampling = { 1 },
408 .bit_depth = { 16 },
409 .planes = 1,
410 .buffers = 1,
411 .can_do_overlay = true,
412 },
413 {
414 .fourcc = V4L2_PIX_FMT_BGRA555, /* ggrrrrra bbbbbggg */
415 .vdownsampling = { 1 },
416 .bit_depth = { 16 },
417 .planes = 1,
418 .buffers = 1,
419 .can_do_overlay = true,
420 .alpha_mask = 0x8000,
421 },
422 {
423 .fourcc = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
424 .vdownsampling = { 1 },
425 .bit_depth = { 16 },
426 .planes = 1,
427 .buffers = 1,
428 },
429 {
430 .fourcc = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
431 .vdownsampling = { 1 },
432 .bit_depth = { 16 },
433 .planes = 1,
434 .buffers = 1,
435 },
436 {
437 .fourcc = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
438 .vdownsampling = { 1 },
439 .bit_depth = { 16 },
440 .planes = 1,
441 .buffers = 1,
442 .alpha_mask = 0x0080,
443 },
444 {
445 .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
446 .vdownsampling = { 1 },
447 .bit_depth = { 24 },
448 .planes = 1,
449 .buffers = 1,
450 },
451 {
452 .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
453 .vdownsampling = { 1 },
454 .bit_depth = { 24 },
455 .planes = 1,
456 .buffers = 1,
457 },
458 {
459 .fourcc = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
460 .vdownsampling = { 1 },
461 .bit_depth = { 32 },
462 .planes = 1,
463 .buffers = 1,
464 },
465 {
466 .fourcc = V4L2_PIX_FMT_RGB32, /* xrgb */
467 .vdownsampling = { 1 },
468 .bit_depth = { 32 },
469 .planes = 1,
470 .buffers = 1,
471 },
472 {
473 .fourcc = V4L2_PIX_FMT_BGR32, /* bgrx */
474 .vdownsampling = { 1 },
475 .bit_depth = { 32 },
476 .planes = 1,
477 .buffers = 1,
478 },
479 {
480 .fourcc = V4L2_PIX_FMT_XRGB32, /* xrgb */
481 .vdownsampling = { 1 },
482 .bit_depth = { 32 },
483 .planes = 1,
484 .buffers = 1,
485 },
486 {
487 .fourcc = V4L2_PIX_FMT_XBGR32, /* bgrx */
488 .vdownsampling = { 1 },
489 .bit_depth = { 32 },
490 .planes = 1,
491 .buffers = 1,
492 },
493 {
494 .fourcc = V4L2_PIX_FMT_ARGB32, /* argb */
495 .vdownsampling = { 1 },
496 .bit_depth = { 32 },
497 .planes = 1,
498 .buffers = 1,
499 .alpha_mask = 0x000000ff,
500 },
501 {
502 .fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */
503 .vdownsampling = { 1 },
504 .bit_depth = { 32 },
505 .planes = 1,
506 .buffers = 1,
507 .alpha_mask = 0xff000000,
508 },
509 {
510 .fourcc = V4L2_PIX_FMT_RGBX32, /* rgbx */
511 .vdownsampling = { 1 },
512 .bit_depth = { 32 },
513 .planes = 1,
514 .buffers = 1,
515 },
516 {
517 .fourcc = V4L2_PIX_FMT_BGRX32, /* xbgr */
518 .vdownsampling = { 1 },
519 .bit_depth = { 32 },
520 .planes = 1,
521 .buffers = 1,
522 },
523 {
524 .fourcc = V4L2_PIX_FMT_RGBA32, /* rgba */
525 .vdownsampling = { 1 },
526 .bit_depth = { 32 },
527 .planes = 1,
528 .buffers = 1,
529 .alpha_mask = 0x000000ff,
530 },
531 {
532 .fourcc = V4L2_PIX_FMT_BGRA32, /* abgr */
533 .vdownsampling = { 1 },
534 .bit_depth = { 32 },
535 .planes = 1,
536 .buffers = 1,
537 .alpha_mask = 0xff000000,
538 },
539 {
540 .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
541 .vdownsampling = { 1 },
542 .bit_depth = { 8 },
543 .planes = 1,
544 .buffers = 1,
545 },
546 {
547 .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
548 .vdownsampling = { 1 },
549 .bit_depth = { 8 },
550 .planes = 1,
551 .buffers = 1,
552 },
553 {
554 .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
555 .vdownsampling = { 1 },
556 .bit_depth = { 8 },
557 .planes = 1,
558 .buffers = 1,
559 },
560 {
561 .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
562 .vdownsampling = { 1 },
563 .bit_depth = { 8 },
564 .planes = 1,
565 .buffers = 1,
566 },
567 {
568 .fourcc = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
569 .vdownsampling = { 1 },
570 .bit_depth = { 16 },
571 .planes = 1,
572 .buffers = 1,
573 },
574 {
575 .fourcc = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
576 .vdownsampling = { 1 },
577 .bit_depth = { 16 },
578 .planes = 1,
579 .buffers = 1,
580 },
581 {
582 .fourcc = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
583 .vdownsampling = { 1 },
584 .bit_depth = { 16 },
585 .planes = 1,
586 .buffers = 1,
587 },
588 {
589 .fourcc = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
590 .vdownsampling = { 1 },
591 .bit_depth = { 16 },
592 .planes = 1,
593 .buffers = 1,
594 },
595 {
596 .fourcc = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
597 .vdownsampling = { 1 },
598 .bit_depth = { 16 },
599 .planes = 1,
600 .buffers = 1,
601 },
602 {
603 .fourcc = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
604 .vdownsampling = { 1 },
605 .bit_depth = { 16 },
606 .planes = 1,
607 .buffers = 1,
608 },
609 {
610 .fourcc = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
611 .vdownsampling = { 1 },
612 .bit_depth = { 16 },
613 .planes = 1,
614 .buffers = 1,
615 },
616 {
617 .fourcc = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
618 .vdownsampling = { 1 },
619 .bit_depth = { 16 },
620 .planes = 1,
621 .buffers = 1,
622 },
623 {
624 .fourcc = V4L2_PIX_FMT_SBGGR16, /* Bayer BG/GR */
625 .vdownsampling = { 1 },
626 .bit_depth = { 16 },
627 .planes = 1,
628 .buffers = 1,
629 },
630 {
631 .fourcc = V4L2_PIX_FMT_SGBRG16, /* Bayer GB/RG */
632 .vdownsampling = { 1 },
633 .bit_depth = { 16 },
634 .planes = 1,
635 .buffers = 1,
636 },
637 {
638 .fourcc = V4L2_PIX_FMT_SGRBG16, /* Bayer GR/BG */
639 .vdownsampling = { 1 },
640 .bit_depth = { 16 },
641 .planes = 1,
642 .buffers = 1,
643 },
644 {
645 .fourcc = V4L2_PIX_FMT_SRGGB16, /* Bayer RG/GB */
646 .vdownsampling = { 1 },
647 .bit_depth = { 16 },
648 .planes = 1,
649 .buffers = 1,
650 },
651 {
652 .fourcc = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
653 .color_enc = TGP_COLOR_ENC_HSV,
654 .vdownsampling = { 1 },
655 .bit_depth = { 24 },
656 .planes = 1,
657 .buffers = 1,
658 },
659 {
660 .fourcc = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
661 .color_enc = TGP_COLOR_ENC_HSV,
662 .vdownsampling = { 1 },
663 .bit_depth = { 32 },
664 .planes = 1,
665 .buffers = 1,
666 },
667
668 /* Multiplanar formats */
669
670 {
671 .fourcc = V4L2_PIX_FMT_NV16M,
672 .vdownsampling = { 1, 1 },
673 .bit_depth = { 8, 8 },
674 .color_enc = TGP_COLOR_ENC_YCBCR,
675 .planes = 2,
676 .buffers = 2,
677 .data_offset = { PLANE0_DATA_OFFSET, 0 },
678 },
679 {
680 .fourcc = V4L2_PIX_FMT_NV61M,
681 .vdownsampling = { 1, 1 },
682 .bit_depth = { 8, 8 },
683 .color_enc = TGP_COLOR_ENC_YCBCR,
684 .planes = 2,
685 .buffers = 2,
686 .data_offset = { 0, PLANE0_DATA_OFFSET },
687 },
688 {
689 .fourcc = V4L2_PIX_FMT_YUV420M,
690 .vdownsampling = { 1, 2, 2 },
691 .bit_depth = { 8, 4, 4 },
692 .color_enc = TGP_COLOR_ENC_YCBCR,
693 .planes = 3,
694 .buffers = 3,
695 },
696 {
697 .fourcc = V4L2_PIX_FMT_YVU420M,
698 .vdownsampling = { 1, 2, 2 },
699 .bit_depth = { 8, 4, 4 },
700 .color_enc = TGP_COLOR_ENC_YCBCR,
701 .planes = 3,
702 .buffers = 3,
703 },
704 {
705 .fourcc = V4L2_PIX_FMT_NV12M,
706 .vdownsampling = { 1, 2 },
707 .bit_depth = { 8, 8 },
708 .color_enc = TGP_COLOR_ENC_YCBCR,
709 .planes = 2,
710 .buffers = 2,
711 },
712 {
713 .fourcc = V4L2_PIX_FMT_NV21M,
714 .vdownsampling = { 1, 2 },
715 .bit_depth = { 8, 8 },
716 .color_enc = TGP_COLOR_ENC_YCBCR,
717 .planes = 2,
718 .buffers = 2,
719 },
720 {
721 .fourcc = V4L2_PIX_FMT_YUV422M,
722 .vdownsampling = { 1, 1, 1 },
723 .bit_depth = { 8, 4, 4 },
724 .color_enc = TGP_COLOR_ENC_YCBCR,
725 .planes = 3,
726 .buffers = 3,
727 },
728 {
729 .fourcc = V4L2_PIX_FMT_YVU422M,
730 .vdownsampling = { 1, 1, 1 },
731 .bit_depth = { 8, 4, 4 },
732 .color_enc = TGP_COLOR_ENC_YCBCR,
733 .planes = 3,
734 .buffers = 3,
735 },
736 {
737 .fourcc = V4L2_PIX_FMT_YUV444M,
738 .vdownsampling = { 1, 1, 1 },
739 .bit_depth = { 8, 8, 8 },
740 .color_enc = TGP_COLOR_ENC_YCBCR,
741 .planes = 3,
742 .buffers = 3,
743 },
744 {
745 .fourcc = V4L2_PIX_FMT_YVU444M,
746 .vdownsampling = { 1, 1, 1 },
747 .bit_depth = { 8, 8, 8 },
748 .color_enc = TGP_COLOR_ENC_YCBCR,
749 .planes = 3,
750 .buffers = 3,
751 },
752 };
753
754 /* There are this many multiplanar formats in the list */
755 #define VIVID_MPLANAR_FORMATS 10
756
vivid_get_format(struct vivid_dev * dev,u32 pixelformat)757 const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
758 {
759 const struct vivid_fmt *fmt;
760 unsigned k;
761
762 for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
763 fmt = &vivid_formats[k];
764 if (fmt->fourcc == pixelformat)
765 if (fmt->buffers == 1 || dev->multiplanar)
766 return fmt;
767 }
768
769 return NULL;
770 }
771
vivid_output_is_connected_to(struct vivid_dev * dev)772 struct vivid_dev *vivid_output_is_connected_to(struct vivid_dev *dev)
773 {
774 struct vivid_dev *input_inst = dev->output_to_input_instance[dev->output];
775
776 if (!input_inst)
777 return NULL;
778 if (input_inst->input != dev->output_to_input_index[dev->output])
779 return NULL;
780 return input_inst;
781 }
782
vivid_input_is_connected_to(struct vivid_dev * dev)783 struct vivid_dev *vivid_input_is_connected_to(struct vivid_dev *dev)
784 {
785 s32 connected_output = dev->input_is_connected_to_output[dev->input];
786
787 if (connected_output < FIXED_MENU_ITEMS)
788 return NULL;
789 struct vivid_dev *output_inst = NULL;
790
791 if (vivid_is_hdmi_cap(dev)) {
792 output_inst = vivid_ctrl_hdmi_to_output_instance[connected_output];
793 if (vivid_ctrl_hdmi_to_output_index[connected_output] != output_inst->output)
794 return NULL;
795 return output_inst;
796 } else if (vivid_is_svid_cap(dev)) {
797 output_inst = vivid_ctrl_svid_to_output_instance[connected_output];
798 if (vivid_ctrl_svid_to_output_index[connected_output] != output_inst->output)
799 return NULL;
800 return output_inst;
801 } else {
802 return NULL;
803 }
804 return output_inst;
805 }
806
vivid_vid_can_loop(struct vivid_dev * dev)807 bool vivid_vid_can_loop(struct vivid_dev *dev)
808 {
809 struct vivid_dev *output_inst = vivid_input_is_connected_to(dev);
810
811 if (!output_inst)
812 return false;
813 if (!vb2_is_streaming(&output_inst->vb_vid_out_q))
814 return false;
815 if (dev->src_rect.width != output_inst->sink_rect.width ||
816 dev->src_rect.height != output_inst->sink_rect.height)
817 return false;
818 if (dev->fmt_cap->fourcc != output_inst->fmt_out->fourcc)
819 return false;
820 if (dev->field_cap != output_inst->field_out)
821 return false;
822 /*
823 * While this can be supported, it is just too much work
824 * to actually implement.
825 */
826 if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
827 dev->field_cap == V4L2_FIELD_SEQ_BT)
828 return false;
829 if (vivid_is_hdmi_cap(dev))
830 return true;
831 if (!(dev->std_cap[dev->input] & V4L2_STD_525_60) !=
832 !(output_inst->std_out & V4L2_STD_525_60))
833 return false;
834 return true;
835 }
836
vivid_send_input_source_change(struct vivid_dev * dev,unsigned int input_index)837 void vivid_send_input_source_change(struct vivid_dev *dev, unsigned int input_index)
838 {
839 struct v4l2_event ev = {
840 .type = V4L2_EVENT_SOURCE_CHANGE,
841 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
842 };
843 ev.id = input_index;
844
845 if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
846 v4l2_event_queue(&dev->vid_cap_dev, &ev);
847 if (dev->input_type[input_index] == TV || dev->input_type[input_index] == SVID)
848 if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
849 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
850 }
851
vivid_send_source_change(struct vivid_dev * dev,unsigned int type)852 void vivid_send_source_change(struct vivid_dev *dev, unsigned int type)
853 {
854 for (int i = 0; i < dev->num_inputs; i++)
855 if (dev->input_type[i] == type)
856 vivid_send_input_source_change(dev, i);
857 }
858
859 /*
860 * Conversion function that converts a single-planar format to a
861 * single-plane multiplanar format.
862 */
fmt_sp2mp(const struct v4l2_format * sp_fmt,struct v4l2_format * mp_fmt)863 void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
864 {
865 struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
866 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
867 const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
868 bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
869
870 memset(mp->reserved, 0, sizeof(mp->reserved));
871 mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
872 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
873 mp->width = pix->width;
874 mp->height = pix->height;
875 mp->pixelformat = pix->pixelformat;
876 mp->field = pix->field;
877 mp->colorspace = pix->colorspace;
878 mp->xfer_func = pix->xfer_func;
879 /* Also copies hsv_enc */
880 mp->ycbcr_enc = pix->ycbcr_enc;
881 mp->quantization = pix->quantization;
882 mp->num_planes = 1;
883 mp->flags = pix->flags;
884 ppix->sizeimage = pix->sizeimage;
885 ppix->bytesperline = pix->bytesperline;
886 memset(ppix->reserved, 0, sizeof(ppix->reserved));
887 }
888
fmt_sp2mp_func(struct file * file,void * priv,struct v4l2_format * f,fmtfunc func)889 int fmt_sp2mp_func(struct file *file, void *priv,
890 struct v4l2_format *f, fmtfunc func)
891 {
892 struct v4l2_format fmt;
893 struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
894 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
895 struct v4l2_pix_format *pix = &f->fmt.pix;
896 int ret;
897
898 /* Converts to a mplane format */
899 fmt_sp2mp(f, &fmt);
900 /* Passes it to the generic mplane format function */
901 ret = func(file, priv, &fmt);
902 /* Copies back the mplane data to the single plane format */
903 pix->width = mp->width;
904 pix->height = mp->height;
905 pix->pixelformat = mp->pixelformat;
906 pix->field = mp->field;
907 pix->colorspace = mp->colorspace;
908 pix->xfer_func = mp->xfer_func;
909 /* Also copies hsv_enc */
910 pix->ycbcr_enc = mp->ycbcr_enc;
911 pix->quantization = mp->quantization;
912 pix->sizeimage = ppix->sizeimage;
913 pix->bytesperline = ppix->bytesperline;
914 pix->flags = mp->flags;
915 return ret;
916 }
917
vivid_vid_adjust_sel(unsigned flags,struct v4l2_rect * r)918 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
919 {
920 unsigned w = r->width;
921 unsigned h = r->height;
922
923 /* sanitize w and h in case someone passes ~0 as the value */
924 w &= 0xffff;
925 h &= 0xffff;
926 if (!(flags & V4L2_SEL_FLAG_LE)) {
927 w++;
928 h++;
929 if (w < 2)
930 w = 2;
931 if (h < 2)
932 h = 2;
933 }
934 if (!(flags & V4L2_SEL_FLAG_GE)) {
935 if (w > MAX_WIDTH)
936 w = MAX_WIDTH;
937 if (h > MAX_HEIGHT)
938 h = MAX_HEIGHT;
939 }
940 w = w & ~1;
941 h = h & ~1;
942 if (w < 2 || h < 2)
943 return -ERANGE;
944 if (w > MAX_WIDTH || h > MAX_HEIGHT)
945 return -ERANGE;
946 if (r->top < 0)
947 r->top = 0;
948 if (r->left < 0)
949 r->left = 0;
950 /* sanitize left and top in case someone passes ~0 as the value */
951 r->left &= 0xfffe;
952 r->top &= 0xfffe;
953 if (r->left + w > MAX_WIDTH)
954 r->left = MAX_WIDTH - w;
955 if (r->top + h > MAX_HEIGHT)
956 r->top = MAX_HEIGHT - h;
957 if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
958 (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
959 (r->width != w || r->height != h))
960 return -ERANGE;
961 r->width = w;
962 r->height = h;
963 return 0;
964 }
965
vivid_enum_fmt_vid(struct file * file,void * priv,struct v4l2_fmtdesc * f)966 int vivid_enum_fmt_vid(struct file *file, void *priv,
967 struct v4l2_fmtdesc *f)
968 {
969 struct vivid_dev *dev = video_drvdata(file);
970 const struct vivid_fmt *fmt;
971
972 if (f->index >= ARRAY_SIZE(vivid_formats) -
973 (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
974 return -EINVAL;
975
976 fmt = &vivid_formats[f->index];
977
978 f->pixelformat = fmt->fourcc;
979
980 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
981 f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
982 return 0;
983 /*
984 * For capture devices, we support the CSC API.
985 * We allow userspace to:
986 * 1. set the colorspace
987 * 2. set the xfer_func
988 * 3. set the ycbcr_enc on YUV formats
989 * 4. set the hsv_enc on HSV formats
990 * 5. set the quantization on YUV and RGB formats
991 */
992 f->flags |= V4L2_FMT_FLAG_CSC_COLORSPACE;
993 f->flags |= V4L2_FMT_FLAG_CSC_XFER_FUNC;
994
995 if (fmt->color_enc == TGP_COLOR_ENC_YCBCR) {
996 f->flags |= V4L2_FMT_FLAG_CSC_YCBCR_ENC;
997 f->flags |= V4L2_FMT_FLAG_CSC_QUANTIZATION;
998 } else if (fmt->color_enc == TGP_COLOR_ENC_HSV) {
999 f->flags |= V4L2_FMT_FLAG_CSC_HSV_ENC;
1000 } else if (fmt->color_enc == TGP_COLOR_ENC_RGB) {
1001 f->flags |= V4L2_FMT_FLAG_CSC_QUANTIZATION;
1002 }
1003
1004 return 0;
1005 }
1006
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * id)1007 int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1008 {
1009 struct vivid_dev *dev = video_drvdata(file);
1010 struct video_device *vdev = video_devdata(file);
1011
1012 if (vdev->vfl_dir == VFL_DIR_RX) {
1013 if (!vivid_is_sdtv_cap(dev))
1014 return -ENODATA;
1015 *id = dev->std_cap[dev->input];
1016 } else {
1017 if (!vivid_is_svid_out(dev))
1018 return -ENODATA;
1019 *id = dev->std_out;
1020 }
1021 return 0;
1022 }
1023
vidioc_g_dv_timings(struct file * file,void * _fh,struct v4l2_dv_timings * timings)1024 int vidioc_g_dv_timings(struct file *file, void *_fh,
1025 struct v4l2_dv_timings *timings)
1026 {
1027 struct vivid_dev *dev = video_drvdata(file);
1028 struct video_device *vdev = video_devdata(file);
1029
1030 if (vdev->vfl_dir == VFL_DIR_RX) {
1031 if (!vivid_is_hdmi_cap(dev))
1032 return -ENODATA;
1033 *timings = dev->dv_timings_cap[dev->input];
1034 } else {
1035 if (!vivid_is_hdmi_out(dev))
1036 return -ENODATA;
1037 *timings = dev->dv_timings_out;
1038 }
1039 return 0;
1040 }
1041
vidioc_enum_dv_timings(struct file * file,void * _fh,struct v4l2_enum_dv_timings * timings)1042 int vidioc_enum_dv_timings(struct file *file, void *_fh,
1043 struct v4l2_enum_dv_timings *timings)
1044 {
1045 struct vivid_dev *dev = video_drvdata(file);
1046 struct video_device *vdev = video_devdata(file);
1047
1048 if (vdev->vfl_dir == VFL_DIR_RX) {
1049 if (!vivid_is_hdmi_cap(dev))
1050 return -ENODATA;
1051 } else {
1052 if (!vivid_is_hdmi_out(dev))
1053 return -ENODATA;
1054 }
1055 return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
1056 NULL, NULL);
1057 }
1058
vidioc_dv_timings_cap(struct file * file,void * _fh,struct v4l2_dv_timings_cap * cap)1059 int vidioc_dv_timings_cap(struct file *file, void *_fh,
1060 struct v4l2_dv_timings_cap *cap)
1061 {
1062 struct vivid_dev *dev = video_drvdata(file);
1063 struct video_device *vdev = video_devdata(file);
1064
1065 if (vdev->vfl_dir == VFL_DIR_RX) {
1066 if (!vivid_is_hdmi_cap(dev))
1067 return -ENODATA;
1068 } else {
1069 if (!vivid_is_hdmi_out(dev))
1070 return -ENODATA;
1071 }
1072 *cap = vivid_dv_timings_cap;
1073 return 0;
1074 }
1075
vidioc_g_edid(struct file * file,void * _fh,struct v4l2_edid * edid)1076 int vidioc_g_edid(struct file *file, void *_fh,
1077 struct v4l2_edid *edid)
1078 {
1079 struct vivid_dev *dev = video_drvdata(file);
1080 struct vivid_dev *dev_rx = dev;
1081 struct video_device *vdev = video_devdata(file);
1082 struct cec_adapter *adap;
1083 unsigned int loc;
1084
1085 memset(edid->reserved, 0, sizeof(edid->reserved));
1086 if (vdev->vfl_dir == VFL_DIR_RX) {
1087 if (edid->pad >= dev->num_inputs)
1088 return -EINVAL;
1089 if (dev->input_type[edid->pad] != HDMI)
1090 return -EINVAL;
1091 adap = dev->cec_rx_adap;
1092 } else {
1093 if (edid->pad >= dev->num_outputs)
1094 return -EINVAL;
1095 if (dev->output_type[edid->pad] != HDMI)
1096 return -EINVAL;
1097 dev_rx = dev->output_to_input_instance[edid->pad];
1098 if (!dev_rx)
1099 return -ENODATA;
1100
1101 unsigned int hdmi_output = dev->output_to_iface_index[edid->pad];
1102
1103 adap = dev->cec_tx_adap[hdmi_output];
1104 }
1105 if (edid->start_block == 0 && edid->blocks == 0) {
1106 edid->blocks = dev_rx->edid_blocks;
1107 return 0;
1108 }
1109 if (dev_rx->edid_blocks == 0)
1110 return -ENODATA;
1111 if (edid->start_block >= dev_rx->edid_blocks)
1112 return -EINVAL;
1113 if (edid->blocks > dev_rx->edid_blocks - edid->start_block)
1114 edid->blocks = dev_rx->edid_blocks - edid->start_block;
1115
1116 memcpy(edid->edid, dev_rx->edid + edid->start_block * 128, edid->blocks * 128);
1117
1118 loc = cec_get_edid_spa_location(dev_rx->edid,
1119 dev_rx->edid_blocks * 128);
1120 if (vdev->vfl_dir == VFL_DIR_TX && adap && loc &&
1121 loc >= edid->start_block * 128 &&
1122 loc < (edid->start_block + edid->blocks) * 128) {
1123 unsigned int i;
1124 u8 sum = 0;
1125
1126 loc -= edid->start_block * 128;
1127 edid->edid[loc] = adap->phys_addr >> 8;
1128 edid->edid[loc + 1] = adap->phys_addr & 0xff;
1129 loc &= ~0x7f;
1130
1131 /* update the checksum */
1132 for (i = loc; i < loc + 127; i++)
1133 sum += edid->edid[i];
1134 edid->edid[i] = 256 - sum;
1135 }
1136 return 0;
1137 }
1138