drivers/media/platform/vivid/vivid-vid-common.c

   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
  32 const 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 },
  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         Basic structures
  44    ------------------------------------------------------------------*/
  45
  46 struct vivid_fmt vivid_formats[] = {
  47         {
  48                 .fourcc   = V4L2_PIX_FMT_YUYV,
  49                 .vdownsampling = { 1 },
  50                 .bit_depth = { 16 },
  51                 .color_enc = TGP_COLOR_ENC_YCBCR,
  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                 .color_enc = TGP_COLOR_ENC_YCBCR,
  61                 .planes   = 1,
  62                 .buffers = 1,
  63         },
  64         {
  65                 .fourcc   = V4L2_PIX_FMT_YVYU,
  66                 .vdownsampling = { 1 },
  67                 .bit_depth = { 16 },
  68                 .color_enc = TGP_COLOR_ENC_YCBCR,
  69                 .planes   = 1,
  70                 .buffers = 1,
  71         },
  72         {
  73                 .fourcc   = V4L2_PIX_FMT_VYUY,
  74                 .vdownsampling = { 1 },
  75                 .bit_depth = { 16 },
  76                 .color_enc = TGP_COLOR_ENC_YCBCR,
  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                 .color_enc = TGP_COLOR_ENC_YCBCR,
  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                 .color_enc = TGP_COLOR_ENC_YCBCR,
  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                 .color_enc = TGP_COLOR_ENC_YCBCR,
 101                 .planes   = 3,
 102                 .buffers = 1,
 103         },
 104         {
 105                 .fourcc   = V4L2_PIX_FMT_NV12,
 106                 .vdownsampling = { 1, 2 },
 107                 .bit_depth = { 8, 8 },
 108                 .color_enc = TGP_COLOR_ENC_YCBCR,
 109                 .planes   = 2,
 110                 .buffers = 1,
 111         },
 112         {
 113                 .fourcc   = V4L2_PIX_FMT_NV21,
 114                 .vdownsampling = { 1, 2 },
 115                 .bit_depth = { 8, 8 },
 116                 .color_enc = TGP_COLOR_ENC_YCBCR,
 117                 .planes   = 2,
 118                 .buffers = 1,
 119         },
 120         {
 121                 .fourcc   = V4L2_PIX_FMT_NV16,
 122                 .vdownsampling = { 1, 1 },
 123                 .bit_depth = { 8, 8 },
 124                 .color_enc = TGP_COLOR_ENC_YCBCR,
 125                 .planes   = 2,
 126                 .buffers = 1,
 127         },
 128         {
 129                 .fourcc   = V4L2_PIX_FMT_NV61,
 130                 .vdownsampling = { 1, 1 },
 131                 .bit_depth = { 8, 8 },
 132                 .color_enc = TGP_COLOR_ENC_YCBCR,
 133                 .planes   = 2,
 134                 .buffers = 1,
 135         },
 136         {
 137                 .fourcc   = V4L2_PIX_FMT_NV24,
 138                 .vdownsampling = { 1, 1 },
 139                 .bit_depth = { 8, 16 },
 140                 .color_enc = TGP_COLOR_ENC_YCBCR,
 141                 .planes   = 2,
 142                 .buffers = 1,
 143         },
 144         {
 145                 .fourcc   = V4L2_PIX_FMT_NV42,
 146                 .vdownsampling = { 1, 1 },
 147                 .bit_depth = { 8, 16 },
 148                 .color_enc = TGP_COLOR_ENC_YCBCR,
 149                 .planes   = 2,
 150                 .buffers = 1,
 151         },
 152         {
 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         {
 161                 .fourcc   = V4L2_PIX_FMT_YUV565, /* uuuvvvvv yyyyyuuu */
 162                 .vdownsampling = { 1 },
 163                 .bit_depth = { 16 },
 164                 .planes   = 1,
 165                 .buffers = 1,
 166         },
 167         {
 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         {
 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         },
 183         {
 184                 .fourcc   = V4L2_PIX_FMT_GREY,
 185                 .vdownsampling = { 1 },
 186                 .bit_depth = { 8 },
 187                 .color_enc = TGP_COLOR_ENC_LUMA,
 188                 .planes   = 1,
 189                 .buffers = 1,
 190         },
 191         {
 192                 .fourcc   = V4L2_PIX_FMT_Y10,
 193                 .vdownsampling = { 1 },
 194                 .bit_depth = { 16 },
 195                 .color_enc = TGP_COLOR_ENC_LUMA,
 196                 .planes   = 1,
 197                 .buffers = 1,
 198         },
 199         {
 200                 .fourcc   = V4L2_PIX_FMT_Y12,
 201                 .vdownsampling = { 1 },
 202                 .bit_depth = { 16 },
 203                 .color_enc = TGP_COLOR_ENC_LUMA,
 204                 .planes   = 1,
 205                 .buffers = 1,
 206         },
 207         {
 208                 .fourcc   = V4L2_PIX_FMT_Y16,
 209                 .vdownsampling = { 1 },
 210                 .bit_depth = { 16 },
 211                 .color_enc = TGP_COLOR_ENC_LUMA,
 212                 .planes   = 1,
 213                 .buffers = 1,
 214         },
 215         {
 216                 .fourcc   = V4L2_PIX_FMT_Y16_BE,
 217                 .vdownsampling = { 1 },
 218                 .bit_depth = { 16 },
 219                 .color_enc = TGP_COLOR_ENC_LUMA,
 220                 .planes   = 1,
 221                 .buffers = 1,
 222         },
 223         {
 224                 .fourcc   = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
 225                 .vdownsampling = { 1 },
 226                 .bit_depth = { 8 },
 227                 .planes   = 1,
 228                 .buffers = 1,
 229         },
 230         {
 231                 .fourcc   = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
 232                 .vdownsampling = { 1 },
 233                 .bit_depth = { 16 },
 234                 .planes   = 1,
 235                 .buffers = 1,
 236                 .can_do_overlay = true,
 237         },
 238         {
 239                 .fourcc   = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
 240                 .vdownsampling = { 1 },
 241                 .bit_depth = { 16 },
 242                 .planes   = 1,
 243                 .buffers = 1,
 244                 .can_do_overlay = true,
 245         },
 246         {
 247                 .fourcc   = V4L2_PIX_FMT_RGB444, /* xxxxrrrr ggggbbbb */
 248                 .vdownsampling = { 1 },
 249                 .bit_depth = { 16 },
 250                 .planes   = 1,
 251                 .buffers = 1,
 252         },
 253         {
 254                 .fourcc   = V4L2_PIX_FMT_XRGB444, /* xxxxrrrr ggggbbbb */
 255                 .vdownsampling = { 1 },
 256                 .bit_depth = { 16 },
 257                 .planes   = 1,
 258                 .buffers = 1,
 259         },
 260         {
 261                 .fourcc   = V4L2_PIX_FMT_ARGB444, /* aaaarrrr ggggbbbb */
 262                 .vdownsampling = { 1 },
 263                 .bit_depth = { 16 },
 264                 .planes   = 1,
 265                 .buffers = 1,
 266                 .alpha_mask = 0x00f0,
 267         },
 268         {
 269                 .fourcc   = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
 270                 .vdownsampling = { 1 },
 271                 .bit_depth = { 16 },
 272                 .planes   = 1,
 273                 .buffers = 1,
 274                 .can_do_overlay = true,
 275         },
 276         {
 277                 .fourcc   = V4L2_PIX_FMT_XRGB555, /* gggbbbbb xrrrrrgg */
 278                 .vdownsampling = { 1 },
 279                 .bit_depth = { 16 },
 280                 .planes   = 1,
 281                 .buffers = 1,
 282                 .can_do_overlay = true,
 283         },
 284         {
 285                 .fourcc   = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
 286                 .vdownsampling = { 1 },
 287                 .bit_depth = { 16 },
 288                 .planes   = 1,
 289                 .buffers = 1,
 290                 .can_do_overlay = true,
 291                 .alpha_mask = 0x8000,
 292         },
 293         {
 294                 .fourcc   = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
 295                 .vdownsampling = { 1 },
 296                 .bit_depth = { 16 },
 297                 .planes   = 1,
 298                 .buffers = 1,
 299         },
 300         {
 301                 .fourcc   = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
 302                 .vdownsampling = { 1 },
 303                 .bit_depth = { 16 },
 304                 .planes   = 1,
 305                 .buffers = 1,
 306         },
 307         {
 308                 .fourcc   = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
 309                 .vdownsampling = { 1 },
 310                 .bit_depth = { 16 },
 311                 .planes   = 1,
 312                 .buffers = 1,
 313                 .alpha_mask = 0x0080,
 314         },
 315         {
 316                 .fourcc   = V4L2_PIX_FMT_RGB24, /* rgb */
 317                 .vdownsampling = { 1 },
 318                 .bit_depth = { 24 },
 319                 .planes   = 1,
 320                 .buffers = 1,
 321         },
 322         {
 323                 .fourcc   = V4L2_PIX_FMT_BGR24, /* bgr */
 324                 .vdownsampling = { 1 },
 325                 .bit_depth = { 24 },
 326                 .planes   = 1,
 327                 .buffers = 1,
 328         },
 329         {
 330                 .fourcc   = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
 331                 .vdownsampling = { 1 },
 332                 .bit_depth = { 32 },
 333                 .planes   = 1,
 334                 .buffers = 1,
 335         },
 336         {
 337                 .fourcc   = V4L2_PIX_FMT_RGB32, /* xrgb */
 338                 .vdownsampling = { 1 },
 339                 .bit_depth = { 32 },
 340                 .planes   = 1,
 341                 .buffers = 1,
 342         },
 343         {
 344                 .fourcc   = V4L2_PIX_FMT_BGR32, /* bgrx */
 345                 .vdownsampling = { 1 },
 346                 .bit_depth = { 32 },
 347                 .planes   = 1,
 348                 .buffers = 1,
 349         },
 350         {
 351                 .fourcc   = V4L2_PIX_FMT_XRGB32, /* xrgb */
 352                 .vdownsampling = { 1 },
 353                 .bit_depth = { 32 },
 354                 .planes   = 1,
 355                 .buffers = 1,
 356         },
 357         {
 358                 .fourcc   = V4L2_PIX_FMT_XBGR32, /* bgrx */
 359                 .vdownsampling = { 1 },
 360                 .bit_depth = { 32 },
 361                 .planes   = 1,
 362                 .buffers = 1,
 363         },
 364         {
 365                 .fourcc   = V4L2_PIX_FMT_ARGB32, /* argb */
 366                 .vdownsampling = { 1 },
 367                 .bit_depth = { 32 },
 368                 .planes   = 1,
 369                 .buffers = 1,
 370                 .alpha_mask = 0x000000ff,
 371         },
 372         {
 373                 .fourcc   = V4L2_PIX_FMT_ABGR32, /* bgra */
 374                 .vdownsampling = { 1 },
 375                 .bit_depth = { 32 },
 376                 .planes   = 1,
 377                 .buffers = 1,
 378                 .alpha_mask = 0xff000000,
 379         },
 380         {
 381                 .fourcc   = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
 382                 .vdownsampling = { 1 },
 383                 .bit_depth = { 8 },
 384                 .planes   = 1,
 385                 .buffers = 1,
 386         },
 387         {
 388                 .fourcc   = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
 389                 .vdownsampling = { 1 },
 390                 .bit_depth = { 8 },
 391                 .planes   = 1,
 392                 .buffers = 1,
 393         },
 394         {
 395                 .fourcc   = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
 396                 .vdownsampling = { 1 },
 397                 .bit_depth = { 8 },
 398                 .planes   = 1,
 399                 .buffers = 1,
 400         },
 401         {
 402                 .fourcc   = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
 403                 .vdownsampling = { 1 },
 404                 .bit_depth = { 8 },
 405                 .planes   = 1,
 406                 .buffers = 1,
 407         },
 408         {
 409                 .fourcc   = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
 410                 .vdownsampling = { 1 },
 411                 .bit_depth = { 16 },
 412                 .planes   = 1,
 413                 .buffers = 1,
 414         },
 415         {
 416                 .fourcc   = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
 417                 .vdownsampling = { 1 },
 418                 .bit_depth = { 16 },
 419                 .planes   = 1,
 420                 .buffers = 1,
 421         },
 422         {
 423                 .fourcc   = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
 424                 .vdownsampling = { 1 },
 425                 .bit_depth = { 16 },
 426                 .planes   = 1,
 427                 .buffers = 1,
 428         },
 429         {
 430                 .fourcc   = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
 431                 .vdownsampling = { 1 },
 432                 .bit_depth = { 16 },
 433                 .planes   = 1,
 434                 .buffers = 1,
 435         },
 436         {
 437                 .fourcc   = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
 438                 .vdownsampling = { 1 },
 439                 .bit_depth = { 16 },
 440                 .planes   = 1,
 441                 .buffers = 1,
 442         },
 443         {
 444                 .fourcc   = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
 445                 .vdownsampling = { 1 },
 446                 .bit_depth = { 16 },
 447                 .planes   = 1,
 448                 .buffers = 1,
 449         },
 450         {
 451                 .fourcc   = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
 452                 .vdownsampling = { 1 },
 453                 .bit_depth = { 16 },
 454                 .planes   = 1,
 455                 .buffers = 1,
 456         },
 457         {
 458                 .fourcc   = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
 459                 .vdownsampling = { 1 },
 460                 .bit_depth = { 16 },
 461                 .planes   = 1,
 462                 .buffers = 1,
 463         },
 464         {
 465                 .fourcc   = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
 466                 .color_enc = TGP_COLOR_ENC_HSV,
 467                 .vdownsampling = { 1 },
 468                 .bit_depth = { 24 },
 469                 .planes   = 1,
 470                 .buffers = 1,
 471         },
 472         {
 473                 .fourcc   = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
 474                 .color_enc = TGP_COLOR_ENC_HSV,
 475                 .vdownsampling = { 1 },
 476                 .bit_depth = { 32 },
 477                 .planes   = 1,
 478                 .buffers = 1,
 479         },
 480
 481         /* Multiplanar formats */
 482
 483         {
 484                 .fourcc   = V4L2_PIX_FMT_NV16M,
 485                 .vdownsampling = { 1, 1 },
 486                 .bit_depth = { 8, 8 },
 487                 .color_enc = TGP_COLOR_ENC_YCBCR,
 488                 .planes   = 2,
 489                 .buffers = 2,
 490                 .data_offset = { PLANE0_DATA_OFFSET, 0 },
 491         },
 492         {
 493                 .fourcc   = V4L2_PIX_FMT_NV61M,
 494                 .vdownsampling = { 1, 1 },
 495                 .bit_depth = { 8, 8 },
 496                 .color_enc = TGP_COLOR_ENC_YCBCR,
 497                 .planes   = 2,
 498                 .buffers = 2,
 499                 .data_offset = { 0, PLANE0_DATA_OFFSET },
 500         },
 501         {
 502                 .fourcc   = V4L2_PIX_FMT_YUV420M,
 503                 .vdownsampling = { 1, 2, 2 },
 504                 .bit_depth = { 8, 4, 4 },
 505                 .color_enc = TGP_COLOR_ENC_YCBCR,
 506                 .planes   = 3,
 507                 .buffers = 3,
 508         },
 509         {
 510                 .fourcc   = V4L2_PIX_FMT_YVU420M,
 511                 .vdownsampling = { 1, 2, 2 },
 512                 .bit_depth = { 8, 4, 4 },
 513                 .color_enc = TGP_COLOR_ENC_YCBCR,
 514                 .planes   = 3,
 515                 .buffers = 3,
 516         },
 517         {
 518                 .fourcc   = V4L2_PIX_FMT_NV12M,
 519                 .vdownsampling = { 1, 2 },
 520                 .bit_depth = { 8, 8 },
 521                 .color_enc = TGP_COLOR_ENC_YCBCR,
 522                 .planes   = 2,
 523                 .buffers = 2,
 524         },
 525         {
 526                 .fourcc   = V4L2_PIX_FMT_NV21M,
 527                 .vdownsampling = { 1, 2 },
 528                 .bit_depth = { 8, 8 },
 529                 .color_enc = TGP_COLOR_ENC_YCBCR,
 530                 .planes   = 2,
 531                 .buffers = 2,
 532         },
 533         {
 534                 .fourcc   = V4L2_PIX_FMT_YUV422M,
 535                 .vdownsampling = { 1, 1, 1 },
 536                 .bit_depth = { 8, 4, 4 },
 537                 .color_enc = TGP_COLOR_ENC_YCBCR,
 538                 .planes   = 3,
 539                 .buffers = 3,
 540         },
 541         {
 542                 .fourcc   = V4L2_PIX_FMT_YVU422M,
 543                 .vdownsampling = { 1, 1, 1 },
 544                 .bit_depth = { 8, 4, 4 },
 545                 .color_enc = TGP_COLOR_ENC_YCBCR,
 546                 .planes   = 3,
 547                 .buffers = 3,
 548         },
 549         {
 550                 .fourcc   = V4L2_PIX_FMT_YUV444M,
 551                 .vdownsampling = { 1, 1, 1 },
 552                 .bit_depth = { 8, 8, 8 },
 553                 .color_enc = TGP_COLOR_ENC_YCBCR,
 554                 .planes   = 3,
 555                 .buffers = 3,
 556         },
 557         {
 558                 .fourcc   = V4L2_PIX_FMT_YVU444M,
 559                 .vdownsampling = { 1, 1, 1 },
 560                 .bit_depth = { 8, 8, 8 },
 561                 .color_enc = TGP_COLOR_ENC_YCBCR,
 562                 .planes   = 3,
 563                 .buffers = 3,
 564         },
 565 };
 566
 567 /* There are this many multiplanar formats in the list */
 568 #define VIVID_MPLANAR_FORMATS 10
 569
 570 const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
 571 {
 572         const struct vivid_fmt *fmt;
 573         unsigned k;
 574
 575         for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
 576                 fmt = &vivid_formats[k];
 577                 if (fmt->fourcc == pixelformat)
 578                         if (fmt->buffers == 1 || dev->multiplanar)
 579                                 return fmt;
 580         }
 581
 582         return NULL;
 583 }
 584
 585 bool vivid_vid_can_loop(struct vivid_dev *dev)
 586 {
 587         if (dev->src_rect.width != dev->sink_rect.width ||
 588             dev->src_rect.height != dev->sink_rect.height)
 589                 return false;
 590         if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
 591                 return false;
 592         if (dev->field_cap != dev->field_out)
 593                 return false;
 594         /*
 595          * While this can be supported, it is just too much work
 596          * to actually implement.
 597          */
 598         if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
 599             dev->field_cap == V4L2_FIELD_SEQ_BT)
 600                 return false;
 601         if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
 602                 if (!(dev->std_cap & V4L2_STD_525_60) !=
 603                     !(dev->std_out & V4L2_STD_525_60))
 604                         return false;
 605                 return true;
 606         }
 607         if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
 608                 return true;
 609         return false;
 610 }
 611
 612 void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
 613 {
 614         struct v4l2_event ev = {
 615                 .type = V4L2_EVENT_SOURCE_CHANGE,
 616                 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 617         };
 618         unsigned i;
 619
 620         for (i = 0; i < dev->num_inputs; i++) {
 621                 ev.id = i;
 622                 if (dev->input_type[i] == type) {
 623                         if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
 624                                 v4l2_event_queue(&dev->vid_cap_dev, &ev);
 625                         if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
 626                                 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
 627                 }
 628         }
 629 }
 630
 631 /*
 632  * Conversion function that converts a single-planar format to a
 633  * single-plane multiplanar format.
 634  */
 635 void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
 636 {
 637         struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
 638         struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
 639         const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
 640         bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
 641
 642         memset(mp->reserved, 0, sizeof(mp->reserved));
 643         mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
 644                            V4L2_CAP_VIDEO_CAPTURE_MPLANE;
 645         mp->width = pix->width;
 646         mp->height = pix->height;
 647         mp->pixelformat = pix->pixelformat;
 648         mp->field = pix->field;
 649         mp->colorspace = pix->colorspace;
 650         mp->xfer_func = pix->xfer_func;
 651         /* Also copies hsv_enc */
 652         mp->ycbcr_enc = pix->ycbcr_enc;
 653         mp->quantization = pix->quantization;
 654         mp->num_planes = 1;
 655         mp->flags = pix->flags;
 656         ppix->sizeimage = pix->sizeimage;
 657         ppix->bytesperline = pix->bytesperline;
 658         memset(ppix->reserved, 0, sizeof(ppix->reserved));
 659 }
 660
 661 int fmt_sp2mp_func(struct file *file, void *priv,
 662                 struct v4l2_format *f, fmtfunc func)
 663 {
 664         struct v4l2_format fmt;
 665         struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
 666         struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
 667         struct v4l2_pix_format *pix = &f->fmt.pix;
 668         int ret;
 669
 670         /* Converts to a mplane format */
 671         fmt_sp2mp(f, &fmt);
 672         /* Passes it to the generic mplane format function */
 673         ret = func(file, priv, &fmt);
 674         /* Copies back the mplane data to the single plane format */
 675         pix->width = mp->width;
 676         pix->height = mp->height;
 677         pix->pixelformat = mp->pixelformat;
 678         pix->field = mp->field;
 679         pix->colorspace = mp->colorspace;
 680         pix->xfer_func = mp->xfer_func;
 681         /* Also copies hsv_enc */
 682         pix->ycbcr_enc = mp->ycbcr_enc;
 683         pix->quantization = mp->quantization;
 684         pix->sizeimage = ppix->sizeimage;
 685         pix->bytesperline = ppix->bytesperline;
 686         pix->flags = mp->flags;
 687         return ret;
 688 }
 689
 690 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
 691 {
 692         unsigned w = r->width;
 693         unsigned h = r->height;
 694
 695         /* sanitize w and h in case someone passes ~0 as the value */
 696         w &= 0xffff;
 697         h &= 0xffff;
 698         if (!(flags & V4L2_SEL_FLAG_LE)) {
 699                 w++;
 700                 h++;
 701                 if (w < 2)
 702                         w = 2;
 703                 if (h < 2)
 704                         h = 2;
 705         }
 706         if (!(flags & V4L2_SEL_FLAG_GE)) {
 707                 if (w > MAX_WIDTH)
 708                         w = MAX_WIDTH;
 709                 if (h > MAX_HEIGHT)
 710                         h = MAX_HEIGHT;
 711         }
 712         w = w & ~1;
 713         h = h & ~1;
 714         if (w < 2 || h < 2)
 715                 return -ERANGE;
 716         if (w > MAX_WIDTH || h > MAX_HEIGHT)
 717                 return -ERANGE;
 718         if (r->top < 0)
 719                 r->top = 0;
 720         if (r->left < 0)
 721                 r->left = 0;
 722         /* sanitize left and top in case someone passes ~0 as the value */
 723         r->left &= 0xfffe;
 724         r->top &= 0xfffe;
 725         if (r->left + w > MAX_WIDTH)
 726                 r->left = MAX_WIDTH - w;
 727         if (r->top + h > MAX_HEIGHT)
 728                 r->top = MAX_HEIGHT - h;
 729         if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
 730                         (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
 731             (r->width != w || r->height != h))
 732                 return -ERANGE;
 733         r->width = w;
 734         r->height = h;
 735         return 0;
 736 }
 737
 738 int vivid_enum_fmt_vid(struct file *file, void  *priv,
 739                                         struct v4l2_fmtdesc *f)
 740 {
 741         struct vivid_dev *dev = video_drvdata(file);
 742         const struct vivid_fmt *fmt;
 743
 744         if (f->index >= ARRAY_SIZE(vivid_formats) -
 745             (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
 746                 return -EINVAL;
 747
 748         fmt = &vivid_formats[f->index];
 749
 750         f->pixelformat = fmt->fourcc;
 751         return 0;
 752 }
 753
 754 int vidioc_enum_fmt_vid_mplane(struct file *file, void  *priv,
 755                                         struct v4l2_fmtdesc *f)
 756 {
 757         struct vivid_dev *dev = video_drvdata(file);
 758
 759         if (!dev->multiplanar)
 760                 return -ENOTTY;
 761         return vivid_enum_fmt_vid(file, priv, f);
 762 }
 763
 764 int vidioc_enum_fmt_vid(struct file *file, void  *priv,
 765                                         struct v4l2_fmtdesc *f)
 766 {
 767         struct vivid_dev *dev = video_drvdata(file);
 768
 769         if (dev->multiplanar)
 770                 return -ENOTTY;
 771         return vivid_enum_fmt_vid(file, priv, f);
 772 }
 773
 774 int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 775 {
 776         struct vivid_dev *dev = video_drvdata(file);
 777         struct video_device *vdev = video_devdata(file);
 778
 779         if (vdev->vfl_dir == VFL_DIR_RX) {
 780                 if (!vivid_is_sdtv_cap(dev))
 781                         return -ENODATA;
 782                 *id = dev->std_cap;
 783         } else {
 784                 if (!vivid_is_svid_out(dev))
 785                         return -ENODATA;
 786                 *id = dev->std_out;
 787         }
 788         return 0;
 789 }
 790
 791 int vidioc_g_dv_timings(struct file *file, void *_fh,
 792                                     struct v4l2_dv_timings *timings)
 793 {
 794         struct vivid_dev *dev = video_drvdata(file);
 795         struct video_device *vdev = video_devdata(file);
 796
 797         if (vdev->vfl_dir == VFL_DIR_RX) {
 798                 if (!vivid_is_hdmi_cap(dev))
 799                         return -ENODATA;
 800                 *timings = dev->dv_timings_cap;
 801         } else {
 802                 if (!vivid_is_hdmi_out(dev))
 803                         return -ENODATA;
 804                 *timings = dev->dv_timings_out;
 805         }
 806         return 0;
 807 }
 808
 809 int vidioc_enum_dv_timings(struct file *file, void *_fh,
 810                                     struct v4l2_enum_dv_timings *timings)
 811 {
 812         struct vivid_dev *dev = video_drvdata(file);
 813         struct video_device *vdev = video_devdata(file);
 814
 815         if (vdev->vfl_dir == VFL_DIR_RX) {
 816                 if (!vivid_is_hdmi_cap(dev))
 817                         return -ENODATA;
 818         } else {
 819                 if (!vivid_is_hdmi_out(dev))
 820                         return -ENODATA;
 821         }
 822         return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
 823                         NULL, NULL);
 824 }
 825
 826 int vidioc_dv_timings_cap(struct file *file, void *_fh,
 827                                     struct v4l2_dv_timings_cap *cap)
 828 {
 829         struct vivid_dev *dev = video_drvdata(file);
 830         struct video_device *vdev = video_devdata(file);
 831
 832         if (vdev->vfl_dir == VFL_DIR_RX) {
 833                 if (!vivid_is_hdmi_cap(dev))
 834                         return -ENODATA;
 835         } else {
 836                 if (!vivid_is_hdmi_out(dev))
 837                         return -ENODATA;
 838         }
 839         *cap = vivid_dv_timings_cap;
 840         return 0;
 841 }
 842
 843 int vidioc_g_edid(struct file *file, void *_fh,
 844                          struct v4l2_edid *edid)
 845 {
 846         struct vivid_dev *dev = video_drvdata(file);
 847         struct video_device *vdev = video_devdata(file);
 848         struct cec_adapter *adap;
 849
 850         memset(edid->reserved, 0, sizeof(edid->reserved));
 851         if (vdev->vfl_dir == VFL_DIR_RX) {
 852                 if (edid->pad >= dev->num_inputs)
 853                         return -EINVAL;
 854                 if (dev->input_type[edid->pad] != HDMI)
 855                         return -EINVAL;
 856                 adap = dev->cec_rx_adap;
 857         } else {
 858                 unsigned int bus_idx;
 859
 860                 if (edid->pad >= dev->num_outputs)
 861                         return -EINVAL;
 862                 if (dev->output_type[edid->pad] != HDMI)
 863                         return -EINVAL;
 864                 bus_idx = dev->cec_output2bus_map[edid->pad];
 865                 adap = dev->cec_tx_adap[bus_idx];
 866         }
 867         if (edid->start_block == 0 && edid->blocks == 0) {
 868                 edid->blocks = dev->edid_blocks;
 869                 return 0;
 870         }
 871         if (dev->edid_blocks == 0)
 872                 return -ENODATA;
 873         if (edid->start_block >= dev->edid_blocks)
 874                 return -EINVAL;
 875         if (edid->start_block + edid->blocks > dev->edid_blocks)
 876                 edid->blocks = dev->edid_blocks - edid->start_block;
 877         cec_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr);
 878         memcpy(edid->edid, dev->edid + edid->start_block * 128, edid->blocks * 128);
 879         return 0;
 880 }