xref: /linux/drivers/media/test-drivers/vivid/vivid-vid-common.c (revision 55d0969c451159cff86949b38c39171cab962069) 
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 
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 
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 
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 
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 
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 
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  */
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 
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 
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 
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 
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 
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 
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 
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 
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