projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[media] coda: add support for firmware files named as distributed by NXP
[deliverable/linux.git] / drivers / media / platform / vivid / vivid-vid-common.c
CommitLineData
ef834f78
HV		 1/*
2 * vivid-vid-common.c - common video support functions.
3 *
4 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
5 *
6 * This program is free software; you may redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
11 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
12 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
13 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
14 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
15 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
16 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
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 /* keep this initialization for compatibility with GCC < 4.4.6 */
35 .reserved = { 0 },
29103668
PL		 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,
ef834f78
HV		 39 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
40};
41
42/* ------------------------------------------------------------------
43 Basic structures
44 ------------------------------------------------------------------*/
45
46struct vivid_fmt vivid_formats[] = {
47 {
ef834f78 48 .fourcc = V4L2_PIX_FMT_YUYV,
96c76efa
HV		 49 .vdownsampling = { 1 },
50 .bit_depth = { 16 },
ef834f78
HV		 51 .is_yuv = true,
52 .planes = 1,
96c76efa 53 .buffers = 1,
b521c375 54 .data_offset = { PLANE0_DATA_OFFSET },
ef834f78
HV		 55 },
56 {
ef834f78 57 .fourcc = V4L2_PIX_FMT_UYVY,
96c76efa
HV		 58 .vdownsampling = { 1 },
59 .bit_depth = { 16 },
ef834f78
HV		 60 .is_yuv = true,
61 .planes = 1,
96c76efa 62 .buffers = 1,
ef834f78
HV		 63 },
64 {
ef834f78 65 .fourcc = V4L2_PIX_FMT_YVYU,
96c76efa
HV		 66 .vdownsampling = { 1 },
67 .bit_depth = { 16 },
ef834f78
HV		 68 .is_yuv = true,
69 .planes = 1,
96c76efa 70 .buffers = 1,
ef834f78
HV		 71 },
72 {
ef834f78 73 .fourcc = V4L2_PIX_FMT_VYUY,
96c76efa
HV		 74 .vdownsampling = { 1 },
75 .bit_depth = { 16 },
ef834f78
HV		 76 .is_yuv = true,
77 .planes = 1,
96c76efa 78 .buffers = 1,
ef834f78 79 },
b521c375 80 {
b521c375
HV		 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 {
b521c375
HV		 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 {
b521c375
HV		 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 {
b521c375
HV		 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 {
b521c375
HV		 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 {
b521c375
HV		 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 {
b521c375
HV		 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 },
dde72bd7 136 {
dde72bd7
HV		 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 {
dde72bd7
HV		 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 },
628821c8 152 {
628821c8
HV		 153 .fourcc = V4L2_PIX_FMT_YUV555, /* uuuvvvvv ayyyyyuu */
154 .vdownsampling = { 1 },
155 .bit_depth = { 16 },
156 .planes = 1,
157 .buffers = 1,
158 .alpha_mask = 0x8000,
159 },
160 {
628821c8
HV		 161 .fourcc = V4L2_PIX_FMT_YUV565, /* uuuvvvvv yyyyyuuu */
162 .vdownsampling = { 1 },
163 .bit_depth = { 16 },
164 .planes = 1,
165 .buffers = 1,
166 },
167 {
628821c8
HV		 168 .fourcc = V4L2_PIX_FMT_YUV444, /* uuuuvvvv aaaayyyy */
169 .vdownsampling = { 1 },
170 .bit_depth = { 16 },
171 .planes = 1,
172 .buffers = 1,
173 .alpha_mask = 0xf000,
174 },
175 {
628821c8
HV		 176 .fourcc = V4L2_PIX_FMT_YUV32, /* ayuv */
177 .vdownsampling = { 1 },
178 .bit_depth = { 32 },
179 .planes = 1,
180 .buffers = 1,
181 .alpha_mask = 0x000000ff,
182 },
b521c375 183 {
b521c375
HV		 184 .fourcc = V4L2_PIX_FMT_GREY,
185 .vdownsampling = { 1 },
186 .bit_depth = { 8 },
187 .is_yuv = true,
188 .planes = 1,
189 .buffers = 1,
190 },
18b3b3b8
RR		 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 },
b0ce23f0
RR		 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 },
71491063 207 {
71491063
HV		 208 .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
209 .vdownsampling = { 1 },
210 .bit_depth = { 8 },
211 .planes = 1,
212 .buffers = 1,
213 },
ef834f78 214 {
ef834f78 215 .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
96c76efa
HV		 216 .vdownsampling = { 1 },
217 .bit_depth = { 16 },
ef834f78 218 .planes = 1,
96c76efa 219 .buffers = 1,
ef834f78
HV		 220 .can_do_overlay = true,
221 },
222 {
ef834f78 223 .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
96c76efa
HV		 224 .vdownsampling = { 1 },
225 .bit_depth = { 16 },
ef834f78 226 .planes = 1,
96c76efa 227 .buffers = 1,
ef834f78
HV		 228 .can_do_overlay = true,
229 },
8aca230b 230 {
8aca230b
HV		 231 .fourcc = V4L2_PIX_FMT_RGB444, /* xxxxrrrr ggggbbbb */
232 .vdownsampling = { 1 },
233 .bit_depth = { 16 },
234 .planes = 1,
235 .buffers = 1,
236 },
237 {
8aca230b
HV		 238 .fourcc = V4L2_PIX_FMT_XRGB444, /* xxxxrrrr ggggbbbb */
239 .vdownsampling = { 1 },
240 .bit_depth = { 16 },
241 .planes = 1,
242 .buffers = 1,
243 },
244 {
8aca230b
HV		 245 .fourcc = V4L2_PIX_FMT_ARGB444, /* aaaarrrr ggggbbbb */
246 .vdownsampling = { 1 },
247 .bit_depth = { 16 },
248 .planes = 1,
249 .buffers = 1,
250 .alpha_mask = 0x00f0,
251 },
ef834f78 252 {
9e1b73cf 253 .fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
96c76efa
HV		 254 .vdownsampling = { 1 },
255 .bit_depth = { 16 },
ef834f78 256 .planes = 1,
96c76efa 257 .buffers = 1,
ef834f78
HV		 258 .can_do_overlay = true,
259 },
260 {
9e1b73cf 261 .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb xrrrrrgg */
96c76efa
HV		 262 .vdownsampling = { 1 },
263 .bit_depth = { 16 },
ef834f78 264 .planes = 1,
96c76efa 265 .buffers = 1,
ef834f78
HV		 266 .can_do_overlay = true,
267 },
268 {
ef834f78 269 .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
96c76efa
HV		 270 .vdownsampling = { 1 },
271 .bit_depth = { 16 },
ef834f78 272 .planes = 1,
96c76efa 273 .buffers = 1,
ef834f78
HV		 274 .can_do_overlay = true,
275 .alpha_mask = 0x8000,
276 },
277 {
9e1b73cf 278 .fourcc = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
96c76efa
HV		 279 .vdownsampling = { 1 },
280 .bit_depth = { 16 },
ef834f78 281 .planes = 1,
96c76efa 282 .buffers = 1,
8f1ff543
HV		 283 },
284 {
8f1ff543
HV		 285 .fourcc = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
286 .vdownsampling = { 1 },
287 .bit_depth = { 16 },
288 .planes = 1,
289 .buffers = 1,
290 },
291 {
8f1ff543
HV		 292 .fourcc = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
293 .vdownsampling = { 1 },
294 .bit_depth = { 16 },
295 .planes = 1,
296 .buffers = 1,
297 .alpha_mask = 0x0080,
ef834f78
HV		 298 },
299 {
ef834f78 300 .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
96c76efa
HV		 301 .vdownsampling = { 1 },
302 .bit_depth = { 24 },
ef834f78 303 .planes = 1,
96c76efa 304 .buffers = 1,
ef834f78
HV		 305 },
306 {
ef834f78 307 .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
96c76efa
HV		 308 .vdownsampling = { 1 },
309 .bit_depth = { 24 },
ef834f78 310 .planes = 1,
96c76efa 311 .buffers = 1,
ef834f78 312 },
68cd4e9f 313 {
68cd4e9f
HV		 314 .fourcc = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
315 .vdownsampling = { 1 },
316 .bit_depth = { 32 },
317 .planes = 1,
318 .buffers = 1,
319 },
ef834f78 320 {
9e1b73cf 321 .fourcc = V4L2_PIX_FMT_RGB32, /* xrgb */
96c76efa
HV		 322 .vdownsampling = { 1 },
323 .bit_depth = { 32 },
ef834f78 324 .planes = 1,
96c76efa 325 .buffers = 1,
ef834f78
HV		 326 },
327 {
9e1b73cf 328 .fourcc = V4L2_PIX_FMT_BGR32, /* bgrx */
96c76efa
HV		 329 .vdownsampling = { 1 },
330 .bit_depth = { 32 },
ef834f78 331 .planes = 1,
96c76efa 332 .buffers = 1,
ef834f78
HV		 333 },
334 {
9e1b73cf 335 .fourcc = V4L2_PIX_FMT_XRGB32, /* xrgb */
96c76efa
HV		 336 .vdownsampling = { 1 },
337 .bit_depth = { 32 },
ef834f78 338 .planes = 1,
96c76efa 339 .buffers = 1,
ef834f78
HV		 340 },
341 {
9e1b73cf 342 .fourcc = V4L2_PIX_FMT_XBGR32, /* bgrx */
96c76efa
HV		 343 .vdownsampling = { 1 },
344 .bit_depth = { 32 },
ef834f78 345 .planes = 1,
96c76efa 346 .buffers = 1,
ef834f78
HV		 347 },
348 {
ef834f78 349 .fourcc = V4L2_PIX_FMT_ARGB32, /* argb */
96c76efa
HV		 350 .vdownsampling = { 1 },
351 .bit_depth = { 32 },
ef834f78 352 .planes = 1,
96c76efa 353 .buffers = 1,
ef834f78
HV		 354 .alpha_mask = 0x000000ff,
355 },
356 {
ef834f78 357 .fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */
96c76efa
HV		 358 .vdownsampling = { 1 },
359 .bit_depth = { 32 },
ef834f78 360 .planes = 1,
96c76efa 361 .buffers = 1,
ef834f78
HV		 362 .alpha_mask = 0xff000000,
363 },
02aa769d 364 {
02aa769d
HV		 365 .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
366 .vdownsampling = { 1 },
367 .bit_depth = { 8 },
368 .planes = 1,
369 .buffers = 1,
370 },
371 {
02aa769d
HV		 372 .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
373 .vdownsampling = { 1 },
374 .bit_depth = { 8 },
375 .planes = 1,
376 .buffers = 1,
377 },
378 {
02aa769d
HV		 379 .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
380 .vdownsampling = { 1 },
381 .bit_depth = { 8 },
382 .planes = 1,
383 .buffers = 1,
384 },
385 {
02aa769d
HV		 386 .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
387 .vdownsampling = { 1 },
388 .bit_depth = { 8 },
389 .planes = 1,
390 .buffers = 1,
391 },
b96c544f
HV		 392 {
393 .fourcc = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
394 .vdownsampling = { 1 },
395 .bit_depth = { 16 },
396 .planes = 1,
397 .buffers = 1,
398 },
399 {
400 .fourcc = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
401 .vdownsampling = { 1 },
402 .bit_depth = { 16 },
403 .planes = 1,
404 .buffers = 1,
405 },
406 {
407 .fourcc = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
408 .vdownsampling = { 1 },
409 .bit_depth = { 16 },
410 .planes = 1,
411 .buffers = 1,
412 },
413 {
414 .fourcc = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
415 .vdownsampling = { 1 },
416 .bit_depth = { 16 },
417 .planes = 1,
418 .buffers = 1,
419 },
420 {
421 .fourcc = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
422 .vdownsampling = { 1 },
423 .bit_depth = { 16 },
424 .planes = 1,
425 .buffers = 1,
426 },
427 {
428 .fourcc = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
429 .vdownsampling = { 1 },
430 .bit_depth = { 16 },
431 .planes = 1,
432 .buffers = 1,
433 },
434 {
435 .fourcc = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
436 .vdownsampling = { 1 },
437 .bit_depth = { 16 },
438 .planes = 1,
439 .buffers = 1,
440 },
441 {
442 .fourcc = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
443 .vdownsampling = { 1 },
444 .bit_depth = { 16 },
445 .planes = 1,
446 .buffers = 1,
447 },
ef834f78 448 {
ef834f78 449 .fourcc = V4L2_PIX_FMT_NV16M,
96c76efa
HV		 450 .vdownsampling = { 1, 1 },
451 .bit_depth = { 8, 8 },
ef834f78
HV		 452 .is_yuv = true,
453 .planes = 2,
96c76efa 454 .buffers = 2,
ef834f78
HV		 455 .data_offset = { PLANE0_DATA_OFFSET, 0 },
456 },
457 {
ef834f78 458 .fourcc = V4L2_PIX_FMT_NV61M,
96c76efa
HV		 459 .vdownsampling = { 1, 1 },
460 .bit_depth = { 8, 8 },
ef834f78
HV		 461 .is_yuv = true,
462 .planes = 2,
96c76efa 463 .buffers = 2,
ef834f78
HV		 464 .data_offset = { 0, PLANE0_DATA_OFFSET },
465 },
b521c375 466 {
b521c375
HV		 467 .fourcc = V4L2_PIX_FMT_YUV420M,
468 .vdownsampling = { 1, 2, 2 },
469 .bit_depth = { 8, 4, 4 },
470 .is_yuv = true,
471 .planes = 3,
472 .buffers = 3,
473 },
474 {
b521c375
HV		 475 .fourcc = V4L2_PIX_FMT_YVU420M,
476 .vdownsampling = { 1, 2, 2 },
477 .bit_depth = { 8, 4, 4 },
478 .is_yuv = true,
479 .planes = 3,
480 .buffers = 3,
481 },
482 {
b521c375
HV		 483 .fourcc = V4L2_PIX_FMT_NV12M,
484 .vdownsampling = { 1, 2 },
485 .bit_depth = { 8, 8 },
486 .is_yuv = true,
487 .planes = 2,
488 .buffers = 2,
489 },
490 {
b521c375
HV		 491 .fourcc = V4L2_PIX_FMT_NV21M,
492 .vdownsampling = { 1, 2 },
493 .bit_depth = { 8, 8 },
494 .is_yuv = true,
495 .planes = 2,
496 .buffers = 2,
497 },
ef834f78
HV		 498};
499
b521c375
HV		 500/* There are 6 multiplanar formats in the list */
501#define VIVID_MPLANAR_FORMATS 6
ef834f78 502
1fc78bc9 503const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
ef834f78
HV		 504{
505 const struct vivid_fmt *fmt;
506 unsigned k;
507
508 for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
509 fmt = &vivid_formats[k];
510 if (fmt->fourcc == pixelformat)
ddcaee9d 511 if (fmt->buffers == 1 || dev->multiplanar)
ef834f78
HV		 512 return fmt;
513 }
514
515 return NULL;
516}
517
518bool vivid_vid_can_loop(struct vivid_dev *dev)
519{
520 if (dev->src_rect.width != dev->sink_rect.width ||
521 dev->src_rect.height != dev->sink_rect.height)
522 return false;
523 if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
524 return false;
525 if (dev->field_cap != dev->field_out)
526 return false;
ba24b442
HV		 527 /*
528 * While this can be supported, it is just too much work
529 * to actually implement.
530 */
531 if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
532 dev->field_cap == V4L2_FIELD_SEQ_BT)
533 return false;
ef834f78
HV		 534 if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
535 if (!(dev->std_cap & V4L2_STD_525_60) !=
536 !(dev->std_out & V4L2_STD_525_60))
537 return false;
538 return true;
539 }
540 if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
541 return true;
542 return false;
543}
544
545void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
546{
547 struct v4l2_event ev = {
548 .type = V4L2_EVENT_SOURCE_CHANGE,
549 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
550 };
551 unsigned i;
552
553 for (i = 0; i < dev->num_inputs; i++) {
554 ev.id = i;
555 if (dev->input_type[i] == type) {
556 if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
557 v4l2_event_queue(&dev->vid_cap_dev, &ev);
558 if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
559 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
560 }
561 }
562}
563
564/*
565 * Conversion function that converts a single-planar format to a
566 * single-plane multiplanar format.
567 */
568void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
569{
570 struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
571 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
572 const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
573 bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
574
575 memset(mp->reserved, 0, sizeof(mp->reserved));
576 mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
577 V4L2_CAP_VIDEO_CAPTURE_MPLANE;
578 mp->width = pix->width;
579 mp->height = pix->height;
580 mp->pixelformat = pix->pixelformat;
581 mp->field = pix->field;
582 mp->colorspace = pix->colorspace;
ca5316db 583 mp->xfer_func = pix->xfer_func;
3e8a78d1
HV		 584 mp->ycbcr_enc = pix->ycbcr_enc;
585 mp->quantization = pix->quantization;
ef834f78
HV		 586 mp->num_planes = 1;
587 mp->flags = pix->flags;
588 ppix->sizeimage = pix->sizeimage;
589 ppix->bytesperline = pix->bytesperline;
590 memset(ppix->reserved, 0, sizeof(ppix->reserved));
591}
592
593int fmt_sp2mp_func(struct file *file, void *priv,
594 struct v4l2_format *f, fmtfunc func)
595{
596 struct v4l2_format fmt;
597 struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
598 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
599 struct v4l2_pix_format *pix = &f->fmt.pix;
600 int ret;
601
602 /* Converts to a mplane format */
603 fmt_sp2mp(f, &fmt);
604 /* Passes it to the generic mplane format function */
605 ret = func(file, priv, &fmt);
606 /* Copies back the mplane data to the single plane format */
607 pix->width = mp->width;
608 pix->height = mp->height;
609 pix->pixelformat = mp->pixelformat;
610 pix->field = mp->field;
611 pix->colorspace = mp->colorspace;
ca5316db 612 pix->xfer_func = mp->xfer_func;
3e8a78d1
HV		 613 pix->ycbcr_enc = mp->ycbcr_enc;
614 pix->quantization = mp->quantization;
ef834f78
HV		 615 pix->sizeimage = ppix->sizeimage;
616 pix->bytesperline = ppix->bytesperline;
617 pix->flags = mp->flags;
618 return ret;
619}
620
621/* v4l2_rect helper function: copy the width/height values */
622void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size)
623{
624 r->width = size->width;
625 r->height = size->height;
626}
627
628/* v4l2_rect helper function: width and height of r should be >= min_size */
629void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size)
630{
631 if (r->width < min_size->width)
632 r->width = min_size->width;
633 if (r->height < min_size->height)
634 r->height = min_size->height;
635}
636
637/* v4l2_rect helper function: width and height of r should be <= max_size */
638void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size)
639{
640 if (r->width > max_size->width)
641 r->width = max_size->width;
642 if (r->height > max_size->height)
643 r->height = max_size->height;
644}
645
646/* v4l2_rect helper function: r should be inside boundary */
647void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary)
648{
649 rect_set_max_size(r, boundary);
650 if (r->left < boundary->left)
651 r->left = boundary->left;
652 if (r->top < boundary->top)
653 r->top = boundary->top;
654 if (r->left + r->width > boundary->width)
655 r->left = boundary->width - r->width;
656 if (r->top + r->height > boundary->height)
657 r->top = boundary->height - r->height;
658}
659
660/* v4l2_rect helper function: return true if r1 has the same size as r2 */
661bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
662{
663 return r1->width == r2->width && r1->height == r2->height;
664}
665
666/* v4l2_rect helper function: calculate the intersection of two rects */
667struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b)
668{
669 struct v4l2_rect r;
670 int right, bottom;
671
672 r.top = max(a->top, b->top);
673 r.left = max(a->left, b->left);
674 bottom = min(a->top + a->height, b->top + b->height);
675 right = min(a->left + a->width, b->left + b->width);
676 r.height = max(0, bottom - r.top);
677 r.width = max(0, right - r.left);
678 return r;
679}
680
681/*
682 * v4l2_rect helper function: scale rect r by to->width / from->width and
683 * to->height / from->height.
684 */
685void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from,
686 const struct v4l2_rect *to)
687{
688 if (from->width == 0 || from->height == 0) {
689 r->left = r->top = r->width = r->height = 0;
690 return;
691 }
692 r->left = (((r->left - from->left) * to->width) / from->width) & ~1;
693 r->width = ((r->width * to->width) / from->width) & ~1;
694 r->top = ((r->top - from->top) * to->height) / from->height;
695 r->height = (r->height * to->height) / from->height;
696}
697
698bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
699{
700 /*
701 * IF the left side of r1 is to the right of the right side of r2 OR
702 * the left side of r2 is to the right of the right side of r1 THEN
703 * they do not overlap.
704 */
705 if (r1->left >= r2->left + r2->width ||
706 r2->left >= r1->left + r1->width)
707 return false;
708 /*
709 * IF the top side of r1 is below the bottom of r2 OR
710 * the top side of r2 is below the bottom of r1 THEN
711 * they do not overlap.
712 */
713 if (r1->top >= r2->top + r2->height ||
714 r2->top >= r1->top + r1->height)
715 return false;
716 return true;
717}
718int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
719{
720 unsigned w = r->width;
721 unsigned h = r->height;
722
82bdb26a
HV		 723 /* sanitize w and h in case someone passes ~0 as the value */
724 w &= 0xffff;
725 h &= 0xffff;
ef834f78
HV		 726 if (!(flags & V4L2_SEL_FLAG_LE)) {
727 w++;
728 h++;
729 if (w < 2)
730 w = 2;
731 if (h < 2)
732 h = 2;
733 }
734 if (!(flags & V4L2_SEL_FLAG_GE)) {
735 if (w > MAX_WIDTH)
736 w = MAX_WIDTH;
737 if (h > MAX_HEIGHT)
738 h = MAX_HEIGHT;
739 }
740 w = w & ~1;
741 h = h & ~1;
742 if (w < 2 || h < 2)
743 return -ERANGE;
744 if (w > MAX_WIDTH || h > MAX_HEIGHT)
745 return -ERANGE;
746 if (r->top < 0)
747 r->top = 0;
748 if (r->left < 0)
749 r->left = 0;
82bdb26a
HV		 750 /* sanitize left and top in case someone passes ~0 as the value */
751 r->left &= 0xfffe;
752 r->top &= 0xfffe;
ef834f78
HV		 753 if (r->left + w > MAX_WIDTH)
754 r->left = MAX_WIDTH - w;
755 if (r->top + h > MAX_HEIGHT)
756 r->top = MAX_HEIGHT - h;
757 if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
758 (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
759 (r->width != w || r->height != h))
760 return -ERANGE;
761 r->width = w;
762 r->height = h;
763 return 0;
764}
765
766int vivid_enum_fmt_vid(struct file *file, void *priv,
767 struct v4l2_fmtdesc *f)
768{
769 struct vivid_dev *dev = video_drvdata(file);
770 const struct vivid_fmt *fmt;
771
772 if (f->index >= ARRAY_SIZE(vivid_formats) -
773 (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
774 return -EINVAL;
775
776 fmt = &vivid_formats[f->index];
777
ef834f78
HV		 778 f->pixelformat = fmt->fourcc;
779 return 0;
780}
781
782int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv,
783 struct v4l2_fmtdesc *f)
784{
785 struct vivid_dev *dev = video_drvdata(file);
786
787 if (!dev->multiplanar)
788 return -ENOTTY;
789 return vivid_enum_fmt_vid(file, priv, f);
790}
791
792int vidioc_enum_fmt_vid(struct file *file, void *priv,
793 struct v4l2_fmtdesc *f)
794{
795 struct vivid_dev *dev = video_drvdata(file);
796
797 if (dev->multiplanar)
798 return -ENOTTY;
799 return vivid_enum_fmt_vid(file, priv, f);
800}
801
802int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
803{
804 struct vivid_dev *dev = video_drvdata(file);
805 struct video_device *vdev = video_devdata(file);
806
807 if (vdev->vfl_dir == VFL_DIR_RX) {
808 if (!vivid_is_sdtv_cap(dev))
809 return -ENODATA;
810 *id = dev->std_cap;
811 } else {
812 if (!vivid_is_svid_out(dev))
813 return -ENODATA;
814 *id = dev->std_out;
815 }
816 return 0;
817}
818
819int vidioc_g_dv_timings(struct file *file, void *_fh,
820 struct v4l2_dv_timings *timings)
821{
822 struct vivid_dev *dev = video_drvdata(file);
823 struct video_device *vdev = video_devdata(file);
824
825 if (vdev->vfl_dir == VFL_DIR_RX) {
826 if (!vivid_is_hdmi_cap(dev))
827 return -ENODATA;
828 *timings = dev->dv_timings_cap;
829 } else {
830 if (!vivid_is_hdmi_out(dev))
831 return -ENODATA;
832 *timings = dev->dv_timings_out;
833 }
834 return 0;
835}
836
837int vidioc_enum_dv_timings(struct file *file, void *_fh,
838 struct v4l2_enum_dv_timings *timings)
839{
840 struct vivid_dev *dev = video_drvdata(file);
841 struct video_device *vdev = video_devdata(file);
842
843 if (vdev->vfl_dir == VFL_DIR_RX) {
844 if (!vivid_is_hdmi_cap(dev))
845 return -ENODATA;
846 } else {
847 if (!vivid_is_hdmi_out(dev))
848 return -ENODATA;
849 }
850 return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
851 NULL, NULL);
852}
853
854int vidioc_dv_timings_cap(struct file *file, void *_fh,
855 struct v4l2_dv_timings_cap *cap)
856{
857 struct vivid_dev *dev = video_drvdata(file);
858 struct video_device *vdev = video_devdata(file);
859
860 if (vdev->vfl_dir == VFL_DIR_RX) {
861 if (!vivid_is_hdmi_cap(dev))
862 return -ENODATA;
863 } else {
864 if (!vivid_is_hdmi_out(dev))
865 return -ENODATA;
866 }
867 *cap = vivid_dv_timings_cap;
868 return 0;
869}
870
871int vidioc_g_edid(struct file *file, void *_fh,
872 struct v4l2_edid *edid)
873{
874 struct vivid_dev *dev = video_drvdata(file);
875 struct video_device *vdev = video_devdata(file);
876
877 memset(edid->reserved, 0, sizeof(edid->reserved));
878 if (vdev->vfl_dir == VFL_DIR_RX) {
879 if (edid->pad >= dev->num_inputs)
880 return -EINVAL;
881 if (dev->input_type[edid->pad] != HDMI)
882 return -EINVAL;
883 } else {
884 if (edid->pad >= dev->num_outputs)
885 return -EINVAL;
886 if (dev->output_type[edid->pad] != HDMI)
887 return -EINVAL;
888 }
889 if (edid->start_block == 0 && edid->blocks == 0) {
890 edid->blocks = dev->edid_blocks;
891 return 0;
892 }
893 if (dev->edid_blocks == 0)
894 return -ENODATA;
895 if (edid->start_block >= dev->edid_blocks)
896 return -EINVAL;
897 if (edid->start_block + edid->blocks > dev->edid_blocks)
898 edid->blocks = dev->edid_blocks - edid->start_block;
899 memcpy(edid->edid, dev->edid, edid->blocks * 128);
900 return 0;
901}
Linux kernel - Deliverables
This page took 0.127228 seconds and 5 git commands to generate.