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
20const 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
34struct 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
742const 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
757bool 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
784void 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 */
807void 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
833int 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
862int 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
910int 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
951int 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
968int 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
986int 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
1003int 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
1020int 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