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20#include <linux/errno.h>
21#include <linux/kernel.h>
22#include <linux/sched.h>
23#include <linux/videodev2.h>
24#include <linux/v4l2-dv-timings.h>
25#include <media/v4l2-common.h>
26#include <media/v4l2-event.h>
27#include <media/v4l2-dv-timings.h>
28
29#include "vivid-core.h"
30#include "vivid-vid-common.h"
31
32const struct v4l2_dv_timings_cap vivid_dv_timings_cap = {
33 .type = V4L2_DV_BT_656_1120,
34
35 .reserved = { 0 },
36 V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 14000000, 775000000,
37 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
38 V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF,
39 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
40};
41
42
43
44
45
46struct vivid_fmt vivid_formats[] = {
47 {
48 .fourcc = V4L2_PIX_FMT_YUYV,
49 .vdownsampling = { 1 },
50 .bit_depth = { 16 },
51 .is_yuv = true,
52 .planes = 1,
53 .buffers = 1,
54 .data_offset = { PLANE0_DATA_OFFSET },
55 },
56 {
57 .fourcc = V4L2_PIX_FMT_UYVY,
58 .vdownsampling = { 1 },
59 .bit_depth = { 16 },
60 .is_yuv = true,
61 .planes = 1,
62 .buffers = 1,
63 },
64 {
65 .fourcc = V4L2_PIX_FMT_YVYU,
66 .vdownsampling = { 1 },
67 .bit_depth = { 16 },
68 .is_yuv = true,
69 .planes = 1,
70 .buffers = 1,
71 },
72 {
73 .fourcc = V4L2_PIX_FMT_VYUY,
74 .vdownsampling = { 1 },
75 .bit_depth = { 16 },
76 .is_yuv = true,
77 .planes = 1,
78 .buffers = 1,
79 },
80 {
81 .fourcc = V4L2_PIX_FMT_YUV422P,
82 .vdownsampling = { 1, 1, 1 },
83 .bit_depth = { 8, 4, 4 },
84 .is_yuv = true,
85 .planes = 3,
86 .buffers = 1,
87 },
88 {
89 .fourcc = V4L2_PIX_FMT_YUV420,
90 .vdownsampling = { 1, 2, 2 },
91 .bit_depth = { 8, 4, 4 },
92 .is_yuv = true,
93 .planes = 3,
94 .buffers = 1,
95 },
96 {
97 .fourcc = V4L2_PIX_FMT_YVU420,
98 .vdownsampling = { 1, 2, 2 },
99 .bit_depth = { 8, 4, 4 },
100 .is_yuv = true,
101 .planes = 3,
102 .buffers = 1,
103 },
104 {
105 .fourcc = V4L2_PIX_FMT_NV12,
106 .vdownsampling = { 1, 2 },
107 .bit_depth = { 8, 8 },
108 .is_yuv = true,
109 .planes = 2,
110 .buffers = 1,
111 },
112 {
113 .fourcc = V4L2_PIX_FMT_NV21,
114 .vdownsampling = { 1, 2 },
115 .bit_depth = { 8, 8 },
116 .is_yuv = true,
117 .planes = 2,
118 .buffers = 1,
119 },
120 {
121 .fourcc = V4L2_PIX_FMT_NV16,
122 .vdownsampling = { 1, 1 },
123 .bit_depth = { 8, 8 },
124 .is_yuv = true,
125 .planes = 2,
126 .buffers = 1,
127 },
128 {
129 .fourcc = V4L2_PIX_FMT_NV61,
130 .vdownsampling = { 1, 1 },
131 .bit_depth = { 8, 8 },
132 .is_yuv = true,
133 .planes = 2,
134 .buffers = 1,
135 },
136 {
137 .fourcc = V4L2_PIX_FMT_NV24,
138 .vdownsampling = { 1, 1 },
139 .bit_depth = { 8, 16 },
140 .is_yuv = true,
141 .planes = 2,
142 .buffers = 1,
143 },
144 {
145 .fourcc = V4L2_PIX_FMT_NV42,
146 .vdownsampling = { 1, 1 },
147 .bit_depth = { 8, 16 },
148 .is_yuv = true,
149 .planes = 2,
150 .buffers = 1,
151 },
152 {
153 .fourcc = V4L2_PIX_FMT_YUV555,
154 .vdownsampling = { 1 },
155 .bit_depth = { 16 },
156 .planes = 1,
157 .buffers = 1,
158 .alpha_mask = 0x8000,
159 },
160 {
161 .fourcc = V4L2_PIX_FMT_YUV565,
162 .vdownsampling = { 1 },
163 .bit_depth = { 16 },
164 .planes = 1,
165 .buffers = 1,
166 },
167 {
168 .fourcc = V4L2_PIX_FMT_YUV444,
169 .vdownsampling = { 1 },
170 .bit_depth = { 16 },
171 .planes = 1,
172 .buffers = 1,
173 .alpha_mask = 0xf000,
174 },
175 {
176 .fourcc = V4L2_PIX_FMT_YUV32,
177 .vdownsampling = { 1 },
178 .bit_depth = { 32 },
179 .planes = 1,
180 .buffers = 1,
181 .alpha_mask = 0x000000ff,
182 },
183 {
184 .fourcc = V4L2_PIX_FMT_GREY,
185 .vdownsampling = { 1 },
186 .bit_depth = { 8 },
187 .is_yuv = true,
188 .planes = 1,
189 .buffers = 1,
190 },
191 {
192 .fourcc = V4L2_PIX_FMT_Y16,
193 .vdownsampling = { 1 },
194 .bit_depth = { 16 },
195 .is_yuv = true,
196 .planes = 1,
197 .buffers = 1,
198 },
199 {
200 .fourcc = V4L2_PIX_FMT_Y16_BE,
201 .vdownsampling = { 1 },
202 .bit_depth = { 16 },
203 .is_yuv = true,
204 .planes = 1,
205 .buffers = 1,
206 },
207 {
208 .fourcc = V4L2_PIX_FMT_RGB332,
209 .vdownsampling = { 1 },
210 .bit_depth = { 8 },
211 .planes = 1,
212 .buffers = 1,
213 },
214 {
215 .fourcc = V4L2_PIX_FMT_RGB565,
216 .vdownsampling = { 1 },
217 .bit_depth = { 16 },
218 .planes = 1,
219 .buffers = 1,
220 .can_do_overlay = true,
221 },
222 {
223 .fourcc = V4L2_PIX_FMT_RGB565X,
224 .vdownsampling = { 1 },
225 .bit_depth = { 16 },
226 .planes = 1,
227 .buffers = 1,
228 .can_do_overlay = true,
229 },
230 {
231 .fourcc = V4L2_PIX_FMT_RGB444,
232 .vdownsampling = { 1 },
233 .bit_depth = { 16 },
234 .planes = 1,
235 .buffers = 1,
236 },
237 {
238 .fourcc = V4L2_PIX_FMT_XRGB444,
239 .vdownsampling = { 1 },
240 .bit_depth = { 16 },
241 .planes = 1,
242 .buffers = 1,
243 },
244 {
245 .fourcc = V4L2_PIX_FMT_ARGB444,
246 .vdownsampling = { 1 },
247 .bit_depth = { 16 },
248 .planes = 1,
249 .buffers = 1,
250 .alpha_mask = 0x00f0,
251 },
252 {
253 .fourcc = V4L2_PIX_FMT_RGB555,
254 .vdownsampling = { 1 },
255 .bit_depth = { 16 },
256 .planes = 1,
257 .buffers = 1,
258 .can_do_overlay = true,
259 },
260 {
261 .fourcc = V4L2_PIX_FMT_XRGB555,
262 .vdownsampling = { 1 },
263 .bit_depth = { 16 },
264 .planes = 1,
265 .buffers = 1,
266 .can_do_overlay = true,
267 },
268 {
269 .fourcc = V4L2_PIX_FMT_ARGB555,
270 .vdownsampling = { 1 },
271 .bit_depth = { 16 },
272 .planes = 1,
273 .buffers = 1,
274 .can_do_overlay = true,
275 .alpha_mask = 0x8000,
276 },
277 {
278 .fourcc = V4L2_PIX_FMT_RGB555X,
279 .vdownsampling = { 1 },
280 .bit_depth = { 16 },
281 .planes = 1,
282 .buffers = 1,
283 },
284 {
285 .fourcc = V4L2_PIX_FMT_XRGB555X,
286 .vdownsampling = { 1 },
287 .bit_depth = { 16 },
288 .planes = 1,
289 .buffers = 1,
290 },
291 {
292 .fourcc = V4L2_PIX_FMT_ARGB555X,
293 .vdownsampling = { 1 },
294 .bit_depth = { 16 },
295 .planes = 1,
296 .buffers = 1,
297 .alpha_mask = 0x0080,
298 },
299 {
300 .fourcc = V4L2_PIX_FMT_RGB24,
301 .vdownsampling = { 1 },
302 .bit_depth = { 24 },
303 .planes = 1,
304 .buffers = 1,
305 },
306 {
307 .fourcc = V4L2_PIX_FMT_BGR24,
308 .vdownsampling = { 1 },
309 .bit_depth = { 24 },
310 .planes = 1,
311 .buffers = 1,
312 },
313 {
314 .fourcc = V4L2_PIX_FMT_BGR666,
315 .vdownsampling = { 1 },
316 .bit_depth = { 32 },
317 .planes = 1,
318 .buffers = 1,
319 },
320 {
321 .fourcc = V4L2_PIX_FMT_RGB32,
322 .vdownsampling = { 1 },
323 .bit_depth = { 32 },
324 .planes = 1,
325 .buffers = 1,
326 },
327 {
328 .fourcc = V4L2_PIX_FMT_BGR32,
329 .vdownsampling = { 1 },
330 .bit_depth = { 32 },
331 .planes = 1,
332 .buffers = 1,
333 },
334 {
335 .fourcc = V4L2_PIX_FMT_XRGB32,
336 .vdownsampling = { 1 },
337 .bit_depth = { 32 },
338 .planes = 1,
339 .buffers = 1,
340 },
341 {
342 .fourcc = V4L2_PIX_FMT_XBGR32,
343 .vdownsampling = { 1 },
344 .bit_depth = { 32 },
345 .planes = 1,
346 .buffers = 1,
347 },
348 {
349 .fourcc = V4L2_PIX_FMT_ARGB32,
350 .vdownsampling = { 1 },
351 .bit_depth = { 32 },
352 .planes = 1,
353 .buffers = 1,
354 .alpha_mask = 0x000000ff,
355 },
356 {
357 .fourcc = V4L2_PIX_FMT_ABGR32,
358 .vdownsampling = { 1 },
359 .bit_depth = { 32 },
360 .planes = 1,
361 .buffers = 1,
362 .alpha_mask = 0xff000000,
363 },
364 {
365 .fourcc = V4L2_PIX_FMT_SBGGR8,
366 .vdownsampling = { 1 },
367 .bit_depth = { 8 },
368 .planes = 1,
369 .buffers = 1,
370 },
371 {
372 .fourcc = V4L2_PIX_FMT_SGBRG8,
373 .vdownsampling = { 1 },
374 .bit_depth = { 8 },
375 .planes = 1,
376 .buffers = 1,
377 },
378 {
379 .fourcc = V4L2_PIX_FMT_SGRBG8,
380 .vdownsampling = { 1 },
381 .bit_depth = { 8 },
382 .planes = 1,
383 .buffers = 1,
384 },
385 {
386 .fourcc = V4L2_PIX_FMT_SRGGB8,
387 .vdownsampling = { 1 },
388 .bit_depth = { 8 },
389 .planes = 1,
390 .buffers = 1,
391 },
392 {
393 .fourcc = V4L2_PIX_FMT_SBGGR10,
394 .vdownsampling = { 1 },
395 .bit_depth = { 16 },
396 .planes = 1,
397 .buffers = 1,
398 },
399 {
400 .fourcc = V4L2_PIX_FMT_SGBRG10,
401 .vdownsampling = { 1 },
402 .bit_depth = { 16 },
403 .planes = 1,
404 .buffers = 1,
405 },
406 {
407 .fourcc = V4L2_PIX_FMT_SGRBG10,
408 .vdownsampling = { 1 },
409 .bit_depth = { 16 },
410 .planes = 1,
411 .buffers = 1,
412 },
413 {
414 .fourcc = V4L2_PIX_FMT_SRGGB10,
415 .vdownsampling = { 1 },
416 .bit_depth = { 16 },
417 .planes = 1,
418 .buffers = 1,
419 },
420 {
421 .fourcc = V4L2_PIX_FMT_SBGGR12,
422 .vdownsampling = { 1 },
423 .bit_depth = { 16 },
424 .planes = 1,
425 .buffers = 1,
426 },
427 {
428 .fourcc = V4L2_PIX_FMT_SGBRG12,
429 .vdownsampling = { 1 },
430 .bit_depth = { 16 },
431 .planes = 1,
432 .buffers = 1,
433 },
434 {
435 .fourcc = V4L2_PIX_FMT_SGRBG12,
436 .vdownsampling = { 1 },
437 .bit_depth = { 16 },
438 .planes = 1,
439 .buffers = 1,
440 },
441 {
442 .fourcc = V4L2_PIX_FMT_SRGGB12,
443 .vdownsampling = { 1 },
444 .bit_depth = { 16 },
445 .planes = 1,
446 .buffers = 1,
447 },
448
449
450
451 {
452 .fourcc = V4L2_PIX_FMT_NV16M,
453 .vdownsampling = { 1, 1 },
454 .bit_depth = { 8, 8 },
455 .is_yuv = true,
456 .planes = 2,
457 .buffers = 2,
458 .data_offset = { PLANE0_DATA_OFFSET, 0 },
459 },
460 {
461 .fourcc = V4L2_PIX_FMT_NV61M,
462 .vdownsampling = { 1, 1 },
463 .bit_depth = { 8, 8 },
464 .is_yuv = true,
465 .planes = 2,
466 .buffers = 2,
467 .data_offset = { 0, PLANE0_DATA_OFFSET },
468 },
469 {
470 .fourcc = V4L2_PIX_FMT_YUV420M,
471 .vdownsampling = { 1, 2, 2 },
472 .bit_depth = { 8, 4, 4 },
473 .is_yuv = true,
474 .planes = 3,
475 .buffers = 3,
476 },
477 {
478 .fourcc = V4L2_PIX_FMT_YVU420M,
479 .vdownsampling = { 1, 2, 2 },
480 .bit_depth = { 8, 4, 4 },
481 .is_yuv = true,
482 .planes = 3,
483 .buffers = 3,
484 },
485 {
486 .fourcc = V4L2_PIX_FMT_NV12M,
487 .vdownsampling = { 1, 2 },
488 .bit_depth = { 8, 8 },
489 .is_yuv = true,
490 .planes = 2,
491 .buffers = 2,
492 },
493 {
494 .fourcc = V4L2_PIX_FMT_NV21M,
495 .vdownsampling = { 1, 2 },
496 .bit_depth = { 8, 8 },
497 .is_yuv = true,
498 .planes = 2,
499 .buffers = 2,
500 },
501 {
502 .fourcc = V4L2_PIX_FMT_YUV422M,
503 .vdownsampling = { 1, 1, 1 },
504 .bit_depth = { 8, 4, 4 },
505 .is_yuv = true,
506 .planes = 3,
507 .buffers = 3,
508 },
509 {
510 .fourcc = V4L2_PIX_FMT_YVU422M,
511 .vdownsampling = { 1, 1, 1 },
512 .bit_depth = { 8, 4, 4 },
513 .is_yuv = true,
514 .planes = 3,
515 .buffers = 3,
516 },
517 {
518 .fourcc = V4L2_PIX_FMT_YUV444M,
519 .vdownsampling = { 1, 1, 1 },
520 .bit_depth = { 8, 8, 8 },
521 .is_yuv = true,
522 .planes = 3,
523 .buffers = 3,
524 },
525 {
526 .fourcc = V4L2_PIX_FMT_YVU444M,
527 .vdownsampling = { 1, 1, 1 },
528 .bit_depth = { 8, 8, 8 },
529 .is_yuv = true,
530 .planes = 3,
531 .buffers = 3,
532 },
533};
534
535
536#define VIVID_MPLANAR_FORMATS 10
537
538const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
539{
540 const struct vivid_fmt *fmt;
541 unsigned k;
542
543 for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
544 fmt = &vivid_formats[k];
545 if (fmt->fourcc == pixelformat)
546 if (fmt->buffers == 1 || dev->multiplanar)
547 return fmt;
548 }
549
550 return NULL;
551}
552
553bool vivid_vid_can_loop(struct vivid_dev *dev)
554{
555 if (dev->src_rect.width != dev->sink_rect.width ||
556 dev->src_rect.height != dev->sink_rect.height)
557 return false;
558 if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
559 return false;
560 if (dev->field_cap != dev->field_out)
561 return false;
562
563
564
565
566 if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
567 dev->field_cap == V4L2_FIELD_SEQ_BT)
568 return false;
569 if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
570 if (!(dev->std_cap & V4L2_STD_525_60) !=
571 !(dev->std_out & V4L2_STD_525_60))
572 return false;
573 return true;
574 }
575 if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
576 return true;
577 return false;
578}
579
580void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
581{
582 struct v4l2_event ev = {
583 .type = V4L2_EVENT_SOURCE_CHANGE,
584 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
585 };
586 unsigned i;
587
588 for (i = 0; i < dev->num_inputs; i++) {
589 ev.id = i;
590 if (dev->input_type[i] == type) {
591 if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
592 v4l2_event_queue(&dev->vid_cap_dev, &ev);
593 if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
594 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
595 }
596 }
597}
598
599
600
601
602
603void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
604{
605 struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
606 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
607 const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
608 bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
609
610 memset(mp->reserved, 0, sizeof(mp->reserved));
611 mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
612 V4L2_CAP_VIDEO_CAPTURE_MPLANE;
613 mp->width = pix->width;
614 mp->height = pix->height;
615 mp->pixelformat = pix->pixelformat;
616 mp->field = pix->field;
617 mp->colorspace = pix->colorspace;
618 mp->xfer_func = pix->xfer_func;
619 mp->ycbcr_enc = pix->ycbcr_enc;
620 mp->quantization = pix->quantization;
621 mp->num_planes = 1;
622 mp->flags = pix->flags;
623 ppix->sizeimage = pix->sizeimage;
624 ppix->bytesperline = pix->bytesperline;
625 memset(ppix->reserved, 0, sizeof(ppix->reserved));
626}
627
628int fmt_sp2mp_func(struct file *file, void *priv,
629 struct v4l2_format *f, fmtfunc func)
630{
631 struct v4l2_format fmt;
632 struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
633 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
634 struct v4l2_pix_format *pix = &f->fmt.pix;
635 int ret;
636
637
638 fmt_sp2mp(f, &fmt);
639
640 ret = func(file, priv, &fmt);
641
642 pix->width = mp->width;
643 pix->height = mp->height;
644 pix->pixelformat = mp->pixelformat;
645 pix->field = mp->field;
646 pix->colorspace = mp->colorspace;
647 pix->xfer_func = mp->xfer_func;
648 pix->ycbcr_enc = mp->ycbcr_enc;
649 pix->quantization = mp->quantization;
650 pix->sizeimage = ppix->sizeimage;
651 pix->bytesperline = ppix->bytesperline;
652 pix->flags = mp->flags;
653 return ret;
654}
655
656int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
657{
658 unsigned w = r->width;
659 unsigned h = r->height;
660
661
662 w &= 0xffff;
663 h &= 0xffff;
664 if (!(flags & V4L2_SEL_FLAG_LE)) {
665 w++;
666 h++;
667 if (w < 2)
668 w = 2;
669 if (h < 2)
670 h = 2;
671 }
672 if (!(flags & V4L2_SEL_FLAG_GE)) {
673 if (w > MAX_WIDTH)
674 w = MAX_WIDTH;
675 if (h > MAX_HEIGHT)
676 h = MAX_HEIGHT;
677 }
678 w = w & ~1;
679 h = h & ~1;
680 if (w < 2 || h < 2)
681 return -ERANGE;
682 if (w > MAX_WIDTH || h > MAX_HEIGHT)
683 return -ERANGE;
684 if (r->top < 0)
685 r->top = 0;
686 if (r->left < 0)
687 r->left = 0;
688
689 r->left &= 0xfffe;
690 r->top &= 0xfffe;
691 if (r->left + w > MAX_WIDTH)
692 r->left = MAX_WIDTH - w;
693 if (r->top + h > MAX_HEIGHT)
694 r->top = MAX_HEIGHT - h;
695 if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
696 (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
697 (r->width != w || r->height != h))
698 return -ERANGE;
699 r->width = w;
700 r->height = h;
701 return 0;
702}
703
704int vivid_enum_fmt_vid(struct file *file, void *priv,
705 struct v4l2_fmtdesc *f)
706{
707 struct vivid_dev *dev = video_drvdata(file);
708 const struct vivid_fmt *fmt;
709
710 if (f->index >= ARRAY_SIZE(vivid_formats) -
711 (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
712 return -EINVAL;
713
714 fmt = &vivid_formats[f->index];
715
716 f->pixelformat = fmt->fourcc;
717 return 0;
718}
719
720int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv,
721 struct v4l2_fmtdesc *f)
722{
723 struct vivid_dev *dev = video_drvdata(file);
724
725 if (!dev->multiplanar)
726 return -ENOTTY;
727 return vivid_enum_fmt_vid(file, priv, f);
728}
729
730int vidioc_enum_fmt_vid(struct file *file, void *priv,
731 struct v4l2_fmtdesc *f)
732{
733 struct vivid_dev *dev = video_drvdata(file);
734
735 if (dev->multiplanar)
736 return -ENOTTY;
737 return vivid_enum_fmt_vid(file, priv, f);
738}
739
740int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
741{
742 struct vivid_dev *dev = video_drvdata(file);
743 struct video_device *vdev = video_devdata(file);
744
745 if (vdev->vfl_dir == VFL_DIR_RX) {
746 if (!vivid_is_sdtv_cap(dev))
747 return -ENODATA;
748 *id = dev->std_cap;
749 } else {
750 if (!vivid_is_svid_out(dev))
751 return -ENODATA;
752 *id = dev->std_out;
753 }
754 return 0;
755}
756
757int vidioc_g_dv_timings(struct file *file, void *_fh,
758 struct v4l2_dv_timings *timings)
759{
760 struct vivid_dev *dev = video_drvdata(file);
761 struct video_device *vdev = video_devdata(file);
762
763 if (vdev->vfl_dir == VFL_DIR_RX) {
764 if (!vivid_is_hdmi_cap(dev))
765 return -ENODATA;
766 *timings = dev->dv_timings_cap;
767 } else {
768 if (!vivid_is_hdmi_out(dev))
769 return -ENODATA;
770 *timings = dev->dv_timings_out;
771 }
772 return 0;
773}
774
775int vidioc_enum_dv_timings(struct file *file, void *_fh,
776 struct v4l2_enum_dv_timings *timings)
777{
778 struct vivid_dev *dev = video_drvdata(file);
779 struct video_device *vdev = video_devdata(file);
780
781 if (vdev->vfl_dir == VFL_DIR_RX) {
782 if (!vivid_is_hdmi_cap(dev))
783 return -ENODATA;
784 } else {
785 if (!vivid_is_hdmi_out(dev))
786 return -ENODATA;
787 }
788 return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
789 NULL, NULL);
790}
791
792int vidioc_dv_timings_cap(struct file *file, void *_fh,
793 struct v4l2_dv_timings_cap *cap)
794{
795 struct vivid_dev *dev = video_drvdata(file);
796 struct video_device *vdev = video_devdata(file);
797
798 if (vdev->vfl_dir == VFL_DIR_RX) {
799 if (!vivid_is_hdmi_cap(dev))
800 return -ENODATA;
801 } else {
802 if (!vivid_is_hdmi_out(dev))
803 return -ENODATA;
804 }
805 *cap = vivid_dv_timings_cap;
806 return 0;
807}
808
809int vidioc_g_edid(struct file *file, void *_fh,
810 struct v4l2_edid *edid)
811{
812 struct vivid_dev *dev = video_drvdata(file);
813 struct video_device *vdev = video_devdata(file);
814 struct cec_adapter *adap;
815
816 memset(edid->reserved, 0, sizeof(edid->reserved));
817 if (vdev->vfl_dir == VFL_DIR_RX) {
818 if (edid->pad >= dev->num_inputs)
819 return -EINVAL;
820 if (dev->input_type[edid->pad] != HDMI)
821 return -EINVAL;
822 adap = dev->cec_rx_adap;
823 } else {
824 unsigned int bus_idx;
825
826 if (edid->pad >= dev->num_outputs)
827 return -EINVAL;
828 if (dev->output_type[edid->pad] != HDMI)
829 return -EINVAL;
830 bus_idx = dev->cec_output2bus_map[edid->pad];
831 adap = dev->cec_tx_adap[bus_idx];
832 }
833 if (edid->start_block == 0 && edid->blocks == 0) {
834 edid->blocks = dev->edid_blocks;
835 return 0;
836 }
837 if (dev->edid_blocks == 0)
838 return -ENODATA;
839 if (edid->start_block >= dev->edid_blocks)
840 return -EINVAL;
841 if (edid->start_block + edid->blocks > dev->edid_blocks)
842 edid->blocks = dev->edid_blocks - edid->start_block;
843 memcpy(edid->edid, dev->edid, edid->blocks * 128);
844 cec_set_edid_phys_addr(edid->edid, edid->blocks * 128, adap->phys_addr);
845 return 0;
846}
847
