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(0, MAX_WIDTH, 0, 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_GREY,
173 .vdownsampling = { 1 },
174 .bit_depth = { 8 },
175 .color_enc = TGP_COLOR_ENC_LUMA,
176 .planes = 1,
177 .buffers = 1,
178 },
179 {
180 .fourcc = V4L2_PIX_FMT_Y10,
181 .vdownsampling = { 1 },
182 .bit_depth = { 16 },
183 .color_enc = TGP_COLOR_ENC_LUMA,
184 .planes = 1,
185 .buffers = 1,
186 },
187 {
188 .fourcc = V4L2_PIX_FMT_Y12,
189 .vdownsampling = { 1 },
190 .bit_depth = { 16 },
191 .color_enc = TGP_COLOR_ENC_LUMA,
192 .planes = 1,
193 .buffers = 1,
194 },
195 {
196 .fourcc = V4L2_PIX_FMT_Y16,
197 .vdownsampling = { 1 },
198 .bit_depth = { 16 },
199 .color_enc = TGP_COLOR_ENC_LUMA,
200 .planes = 1,
201 .buffers = 1,
202 },
203 {
204 .fourcc = V4L2_PIX_FMT_Y16_BE,
205 .vdownsampling = { 1 },
206 .bit_depth = { 16 },
207 .color_enc = TGP_COLOR_ENC_LUMA,
208 .planes = 1,
209 .buffers = 1,
210 },
211 {
212 .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
213 .vdownsampling = { 1 },
214 .bit_depth = { 8 },
215 .planes = 1,
216 .buffers = 1,
217 },
218 {
219 .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
220 .vdownsampling = { 1 },
221 .bit_depth = { 16 },
222 .planes = 1,
223 .buffers = 1,
224 .can_do_overlay = true,
225 },
226 {
227 .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
228 .vdownsampling = { 1 },
229 .bit_depth = { 16 },
230 .planes = 1,
231 .buffers = 1,
232 .can_do_overlay = true,
233 },
234 {
235 .fourcc = V4L2_PIX_FMT_RGB444, /* xxxxrrrr ggggbbbb */
236 .vdownsampling = { 1 },
237 .bit_depth = { 16 },
238 .planes = 1,
239 .buffers = 1,
240 },
241 {
242 .fourcc = V4L2_PIX_FMT_XRGB444, /* xxxxrrrr ggggbbbb */
243 .vdownsampling = { 1 },
244 .bit_depth = { 16 },
245 .planes = 1,
246 .buffers = 1,
247 },
248 {
249 .fourcc = V4L2_PIX_FMT_ARGB444, /* aaaarrrr ggggbbbb */
250 .vdownsampling = { 1 },
251 .bit_depth = { 16 },
252 .planes = 1,
253 .buffers = 1,
254 .alpha_mask = 0x00f0,
255 },
256 {
257 .fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
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_XRGB555, /* gggbbbbb xrrrrrgg */
266 .vdownsampling = { 1 },
267 .bit_depth = { 16 },
268 .planes = 1,
269 .buffers = 1,
270 .can_do_overlay = true,
271 },
272 {
273 .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
274 .vdownsampling = { 1 },
275 .bit_depth = { 16 },
276 .planes = 1,
277 .buffers = 1,
278 .can_do_overlay = true,
279 .alpha_mask = 0x8000,
280 },
281 {
282 .fourcc = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
283 .vdownsampling = { 1 },
284 .bit_depth = { 16 },
285 .planes = 1,
286 .buffers = 1,
287 },
288 {
289 .fourcc = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
290 .vdownsampling = { 1 },
291 .bit_depth = { 16 },
292 .planes = 1,
293 .buffers = 1,
294 },
295 {
296 .fourcc = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
297 .vdownsampling = { 1 },
298 .bit_depth = { 16 },
299 .planes = 1,
300 .buffers = 1,
301 .alpha_mask = 0x0080,
302 },
303 {
304 .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
305 .vdownsampling = { 1 },
306 .bit_depth = { 24 },
307 .planes = 1,
308 .buffers = 1,
309 },
310 {
311 .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
312 .vdownsampling = { 1 },
313 .bit_depth = { 24 },
314 .planes = 1,
315 .buffers = 1,
316 },
317 {
318 .fourcc = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
319 .vdownsampling = { 1 },
320 .bit_depth = { 32 },
321 .planes = 1,
322 .buffers = 1,
323 },
324 {
325 .fourcc = V4L2_PIX_FMT_RGB32, /* xrgb */
326 .vdownsampling = { 1 },
327 .bit_depth = { 32 },
328 .planes = 1,
329 .buffers = 1,
330 },
331 {
332 .fourcc = V4L2_PIX_FMT_BGR32, /* bgrx */
333 .vdownsampling = { 1 },
334 .bit_depth = { 32 },
335 .planes = 1,
336 .buffers = 1,
337 },
338 {
339 .fourcc = V4L2_PIX_FMT_XRGB32, /* xrgb */
340 .vdownsampling = { 1 },
341 .bit_depth = { 32 },
342 .planes = 1,
343 .buffers = 1,
344 },
345 {
346 .fourcc = V4L2_PIX_FMT_XBGR32, /* bgrx */
347 .vdownsampling = { 1 },
348 .bit_depth = { 32 },
349 .planes = 1,
350 .buffers = 1,
351 },
352 {
353 .fourcc = V4L2_PIX_FMT_ARGB32, /* argb */
354 .vdownsampling = { 1 },
355 .bit_depth = { 32 },
356 .planes = 1,
357 .buffers = 1,
358 .alpha_mask = 0x000000ff,
359 },
360 {
361 .fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */
362 .vdownsampling = { 1 },
363 .bit_depth = { 32 },
364 .planes = 1,
365 .buffers = 1,
366 .alpha_mask = 0xff000000,
367 },
368 {
369 .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
370 .vdownsampling = { 1 },
371 .bit_depth = { 8 },
372 .planes = 1,
373 .buffers = 1,
374 },
375 {
376 .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
377 .vdownsampling = { 1 },
378 .bit_depth = { 8 },
379 .planes = 1,
380 .buffers = 1,
381 },
382 {
383 .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
384 .vdownsampling = { 1 },
385 .bit_depth = { 8 },
386 .planes = 1,
387 .buffers = 1,
388 },
389 {
390 .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
391 .vdownsampling = { 1 },
392 .bit_depth = { 8 },
393 .planes = 1,
394 .buffers = 1,
395 },
396 {
397 .fourcc = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
398 .vdownsampling = { 1 },
399 .bit_depth = { 16 },
400 .planes = 1,
401 .buffers = 1,
402 },
403 {
404 .fourcc = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
405 .vdownsampling = { 1 },
406 .bit_depth = { 16 },
407 .planes = 1,
408 .buffers = 1,
409 },
410 {
411 .fourcc = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
412 .vdownsampling = { 1 },
413 .bit_depth = { 16 },
414 .planes = 1,
415 .buffers = 1,
416 },
417 {
418 .fourcc = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
419 .vdownsampling = { 1 },
420 .bit_depth = { 16 },
421 .planes = 1,
422 .buffers = 1,
423 },
424 {
425 .fourcc = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
426 .vdownsampling = { 1 },
427 .bit_depth = { 16 },
428 .planes = 1,
429 .buffers = 1,
430 },
431 {
432 .fourcc = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
433 .vdownsampling = { 1 },
434 .bit_depth = { 16 },
435 .planes = 1,
436 .buffers = 1,
437 },
438 {
439 .fourcc = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
440 .vdownsampling = { 1 },
441 .bit_depth = { 16 },
442 .planes = 1,
443 .buffers = 1,
444 },
445 {
446 .fourcc = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
447 .vdownsampling = { 1 },
448 .bit_depth = { 16 },
449 .planes = 1,
450 .buffers = 1,
451 },
452 {
453 .fourcc = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
454 .color_enc = TGP_COLOR_ENC_HSV,
455 .vdownsampling = { 1 },
456 .bit_depth = { 24 },
457 .planes = 1,
458 .buffers = 1,
459 },
460 {
461 .fourcc = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
462 .color_enc = TGP_COLOR_ENC_HSV,
463 .vdownsampling = { 1 },
464 .bit_depth = { 32 },
465 .planes = 1,
466 .buffers = 1,
467 },
468
469 /* Multiplanar formats */
470
471 {
472 .fourcc = V4L2_PIX_FMT_NV16M,
473 .vdownsampling = { 1, 1 },
474 .bit_depth = { 8, 8 },
475 .color_enc = TGP_COLOR_ENC_YCBCR,
476 .planes = 2,
477 .buffers = 2,
478 .data_offset = { PLANE0_DATA_OFFSET, 0 },
479 },
480 {
481 .fourcc = V4L2_PIX_FMT_NV61M,
482 .vdownsampling = { 1, 1 },
483 .bit_depth = { 8, 8 },
484 .color_enc = TGP_COLOR_ENC_YCBCR,
485 .planes = 2,
486 .buffers = 2,
487 .data_offset = { 0, PLANE0_DATA_OFFSET },
488 },
489 {
490 .fourcc = V4L2_PIX_FMT_YUV420M,
491 .vdownsampling = { 1, 2, 2 },
492 .bit_depth = { 8, 4, 4 },
493 .color_enc = TGP_COLOR_ENC_YCBCR,
494 .planes = 3,
495 .buffers = 3,
496 },
497 {
498 .fourcc = V4L2_PIX_FMT_YVU420M,
499 .vdownsampling = { 1, 2, 2 },
500 .bit_depth = { 8, 4, 4 },
501 .color_enc = TGP_COLOR_ENC_YCBCR,
502 .planes = 3,
503 .buffers = 3,
504 },
505 {
506 .fourcc = V4L2_PIX_FMT_NV12M,
507 .vdownsampling = { 1, 2 },
508 .bit_depth = { 8, 8 },
509 .color_enc = TGP_COLOR_ENC_YCBCR,
510 .planes = 2,
511 .buffers = 2,
512 },
513 {
514 .fourcc = V4L2_PIX_FMT_NV21M,
515 .vdownsampling = { 1, 2 },
516 .bit_depth = { 8, 8 },
517 .color_enc = TGP_COLOR_ENC_YCBCR,
518 .planes = 2,
519 .buffers = 2,
520 },
521 {
522 .fourcc = V4L2_PIX_FMT_YUV422M,
523 .vdownsampling = { 1, 1, 1 },
524 .bit_depth = { 8, 4, 4 },
525 .color_enc = TGP_COLOR_ENC_YCBCR,
526 .planes = 3,
527 .buffers = 3,
528 },
529 {
530 .fourcc = V4L2_PIX_FMT_YVU422M,
531 .vdownsampling = { 1, 1, 1 },
532 .bit_depth = { 8, 4, 4 },
533 .color_enc = TGP_COLOR_ENC_YCBCR,
534 .planes = 3,
535 .buffers = 3,
536 },
537 {
538 .fourcc = V4L2_PIX_FMT_YUV444M,
539 .vdownsampling = { 1, 1, 1 },
540 .bit_depth = { 8, 8, 8 },
541 .color_enc = TGP_COLOR_ENC_YCBCR,
542 .planes = 3,
543 .buffers = 3,
544 },
545 {
546 .fourcc = V4L2_PIX_FMT_YVU444M,
547 .vdownsampling = { 1, 1, 1 },
548 .bit_depth = { 8, 8, 8 },
549 .color_enc = TGP_COLOR_ENC_YCBCR,
550 .planes = 3,
551 .buffers = 3,
552 },
553 };
554
555 /* There are this many multiplanar formats in the list */
556 #define VIVID_MPLANAR_FORMATS 10
557
vivid_get_format(struct vivid_dev * dev,u32 pixelformat)558 const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
559 {
560 const struct vivid_fmt *fmt;
561 unsigned k;
562
563 for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
564 fmt = &vivid_formats[k];
565 if (fmt->fourcc == pixelformat)
566 if (fmt->buffers == 1 || dev->multiplanar)
567 return fmt;
568 }
569
570 return NULL;
571 }
572
vivid_vid_can_loop(struct vivid_dev * dev)573 bool vivid_vid_can_loop(struct vivid_dev *dev)
574 {
575 if (dev->src_rect.width != dev->sink_rect.width ||
576 dev->src_rect.height != dev->sink_rect.height)
577 return false;
578 if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
579 return false;
580 if (dev->field_cap != dev->field_out)
581 return false;
582 /*
583 * While this can be supported, it is just too much work
584 * to actually implement.
585 */
586 if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
587 dev->field_cap == V4L2_FIELD_SEQ_BT)
588 return false;
589 if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
590 if (!(dev->std_cap & V4L2_STD_525_60) !=
591 !(dev->std_out & V4L2_STD_525_60))
592 return false;
593 return true;
594 }
595 if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
596 return true;
597 return false;
598 }
599
vivid_send_source_change(struct vivid_dev * dev,unsigned type)600 void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
601 {
602 struct v4l2_event ev = {
603 .type = V4L2_EVENT_SOURCE_CHANGE,
604 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
605 };
606 unsigned i;
607
608 for (i = 0; i < dev->num_inputs; i++) {
609 ev.id = i;
610 if (dev->input_type[i] == type) {
611 if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
612 v4l2_event_queue(&dev->vid_cap_dev, &ev);
613 if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
614 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
615 }
616 }
617 }
618
619 /*
620 * Conversion function that converts a single-planar format to a
621 * single-plane multiplanar format.
622 */
fmt_sp2mp(const struct v4l2_format * sp_fmt,struct v4l2_format * mp_fmt)623 void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
624 {
625 struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
626 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
627 const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
628 bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
629
630 memset(mp->reserved, 0, sizeof(mp->reserved));
631 mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
632 V4L2_CAP_VIDEO_CAPTURE_MPLANE;
633 mp->width = pix->width;
634 mp->height = pix->height;
635 mp->pixelformat = pix->pixelformat;
636 mp->field = pix->field;
637 mp->colorspace = pix->colorspace;
638 mp->xfer_func = pix->xfer_func;
639 /* Also copies hsv_enc */
640 mp->ycbcr_enc = pix->ycbcr_enc;
641 mp->quantization = pix->quantization;
642 mp->num_planes = 1;
643 mp->flags = pix->flags;
644 ppix->sizeimage = pix->sizeimage;
645 ppix->bytesperline = pix->bytesperline;
646 memset(ppix->reserved, 0, sizeof(ppix->reserved));
647 }
648
fmt_sp2mp_func(struct file * file,void * priv,struct v4l2_format * f,fmtfunc func)649 int fmt_sp2mp_func(struct file *file, void *priv,
650 struct v4l2_format *f, fmtfunc func)
651 {
652 struct v4l2_format fmt;
653 struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
654 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
655 struct v4l2_pix_format *pix = &f->fmt.pix;
656 int ret;
657
658 /* Converts to a mplane format */
659 fmt_sp2mp(f, &fmt);
660 /* Passes it to the generic mplane format function */
661 ret = func(file, priv, &fmt);
662 /* Copies back the mplane data to the single plane format */
663 pix->width = mp->width;
664 pix->height = mp->height;
665 pix->pixelformat = mp->pixelformat;
666 pix->field = mp->field;
667 pix->colorspace = mp->colorspace;
668 pix->xfer_func = mp->xfer_func;
669 /* Also copies hsv_enc */
670 pix->ycbcr_enc = mp->ycbcr_enc;
671 pix->quantization = mp->quantization;
672 pix->sizeimage = ppix->sizeimage;
673 pix->bytesperline = ppix->bytesperline;
674 pix->flags = mp->flags;
675 return ret;
676 }
677
vivid_vid_adjust_sel(unsigned flags,struct v4l2_rect * r)678 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
679 {
680 unsigned w = r->width;
681 unsigned h = r->height;
682
683 /* sanitize w and h in case someone passes ~0 as the value */
684 w &= 0xffff;
685 h &= 0xffff;
686 if (!(flags & V4L2_SEL_FLAG_LE)) {
687 w++;
688 h++;
689 if (w < 2)
690 w = 2;
691 if (h < 2)
692 h = 2;
693 }
694 if (!(flags & V4L2_SEL_FLAG_GE)) {
695 if (w > MAX_WIDTH)
696 w = MAX_WIDTH;
697 if (h > MAX_HEIGHT)
698 h = MAX_HEIGHT;
699 }
700 w = w & ~1;
701 h = h & ~1;
702 if (w < 2 || h < 2)
703 return -ERANGE;
704 if (w > MAX_WIDTH || h > MAX_HEIGHT)
705 return -ERANGE;
706 if (r->top < 0)
707 r->top = 0;
708 if (r->left < 0)
709 r->left = 0;
710 /* sanitize left and top in case someone passes ~0 as the value */
711 r->left &= 0xfffe;
712 r->top &= 0xfffe;
713 if (r->left + w > MAX_WIDTH)
714 r->left = MAX_WIDTH - w;
715 if (r->top + h > MAX_HEIGHT)
716 r->top = MAX_HEIGHT - h;
717 if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
718 (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
719 (r->width != w || r->height != h))
720 return -ERANGE;
721 r->width = w;
722 r->height = h;
723 return 0;
724 }
725
vivid_enum_fmt_vid(struct file * file,void * priv,struct v4l2_fmtdesc * f)726 int vivid_enum_fmt_vid(struct file *file, void *priv,
727 struct v4l2_fmtdesc *f)
728 {
729 struct vivid_dev *dev = video_drvdata(file);
730 const struct vivid_fmt *fmt;
731
732 if (f->index >= ARRAY_SIZE(vivid_formats) -
733 (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
734 return -EINVAL;
735
736 fmt = &vivid_formats[f->index];
737
738 f->pixelformat = fmt->fourcc;
739 return 0;
740 }
741
vidioc_enum_fmt_vid_mplane(struct file * file,void * priv,struct v4l2_fmtdesc * f)742 int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv,
743 struct v4l2_fmtdesc *f)
744 {
745 struct vivid_dev *dev = video_drvdata(file);
746
747 if (!dev->multiplanar)
748 return -ENOTTY;
749 return vivid_enum_fmt_vid(file, priv, f);
750 }
751
vidioc_enum_fmt_vid(struct file * file,void * priv,struct v4l2_fmtdesc * f)752 int vidioc_enum_fmt_vid(struct file *file, void *priv,
753 struct v4l2_fmtdesc *f)
754 {
755 struct vivid_dev *dev = video_drvdata(file);
756
757 if (dev->multiplanar)
758 return -ENOTTY;
759 return vivid_enum_fmt_vid(file, priv, f);
760 }
761
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * id)762 int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
763 {
764 struct vivid_dev *dev = video_drvdata(file);
765 struct video_device *vdev = video_devdata(file);
766
767 if (vdev->vfl_dir == VFL_DIR_RX) {
768 if (!vivid_is_sdtv_cap(dev))
769 return -ENODATA;
770 *id = dev->std_cap;
771 } else {
772 if (!vivid_is_svid_out(dev))
773 return -ENODATA;
774 *id = dev->std_out;
775 }
776 return 0;
777 }
778
vidioc_g_dv_timings(struct file * file,void * _fh,struct v4l2_dv_timings * timings)779 int vidioc_g_dv_timings(struct file *file, void *_fh,
780 struct v4l2_dv_timings *timings)
781 {
782 struct vivid_dev *dev = video_drvdata(file);
783 struct video_device *vdev = video_devdata(file);
784
785 if (vdev->vfl_dir == VFL_DIR_RX) {
786 if (!vivid_is_hdmi_cap(dev))
787 return -ENODATA;
788 *timings = dev->dv_timings_cap;
789 } else {
790 if (!vivid_is_hdmi_out(dev))
791 return -ENODATA;
792 *timings = dev->dv_timings_out;
793 }
794 return 0;
795 }
796
vidioc_enum_dv_timings(struct file * file,void * _fh,struct v4l2_enum_dv_timings * timings)797 int vidioc_enum_dv_timings(struct file *file, void *_fh,
798 struct v4l2_enum_dv_timings *timings)
799 {
800 struct vivid_dev *dev = video_drvdata(file);
801 struct video_device *vdev = video_devdata(file);
802
803 if (vdev->vfl_dir == VFL_DIR_RX) {
804 if (!vivid_is_hdmi_cap(dev))
805 return -ENODATA;
806 } else {
807 if (!vivid_is_hdmi_out(dev))
808 return -ENODATA;
809 }
810 return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
811 NULL, NULL);
812 }
813
vidioc_dv_timings_cap(struct file * file,void * _fh,struct v4l2_dv_timings_cap * cap)814 int vidioc_dv_timings_cap(struct file *file, void *_fh,
815 struct v4l2_dv_timings_cap *cap)
816 {
817 struct vivid_dev *dev = video_drvdata(file);
818 struct video_device *vdev = video_devdata(file);
819
820 if (vdev->vfl_dir == VFL_DIR_RX) {
821 if (!vivid_is_hdmi_cap(dev))
822 return -ENODATA;
823 } else {
824 if (!vivid_is_hdmi_out(dev))
825 return -ENODATA;
826 }
827 *cap = vivid_dv_timings_cap;
828 return 0;
829 }
830
vidioc_g_edid(struct file * file,void * _fh,struct v4l2_edid * edid)831 int vidioc_g_edid(struct file *file, void *_fh,
832 struct v4l2_edid *edid)
833 {
834 struct vivid_dev *dev = video_drvdata(file);
835 struct video_device *vdev = video_devdata(file);
836 struct cec_adapter *adap;
837
838 memset(edid->reserved, 0, sizeof(edid->reserved));
839 if (vdev->vfl_dir == VFL_DIR_RX) {
840 if (edid->pad >= dev->num_inputs)
841 return -EINVAL;
842 if (dev->input_type[edid->pad] != HDMI)
843 return -EINVAL;
844 adap = dev->cec_rx_adap;
845 } else {
846 unsigned int bus_idx;
847
848 if (edid->pad >= dev->num_outputs)
849 return -EINVAL;
850 if (dev->output_type[edid->pad] != HDMI)
851 return -EINVAL;
852 bus_idx = dev->cec_output2bus_map[edid->pad];
853 adap = dev->cec_tx_adap[bus_idx];
854 }
855 if (edid->start_block == 0 && edid->blocks == 0) {
856 edid->blocks = dev->edid_blocks;
857 return 0;
858 }
859 if (dev->edid_blocks == 0)
860 return -ENODATA;
861 if (edid->start_block >= dev->edid_blocks)
862 return -EINVAL;
863 if (edid->blocks > dev->edid_blocks - edid->start_block)
864 edid->blocks = dev->edid_blocks - edid->start_block;
865 if (adap)
866 cec_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr);
867 memcpy(edid->edid, dev->edid + edid->start_block * 128, edid->blocks * 128);
868 return 0;
869 }
870
