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_Y16,
 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_Y16_BE,
 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_RGB332, /* rrrgggbb */
 209                 .vdownsampling = { 1 },
 210                 .bit_depth = { 8 },
 211                 .planes   = 1,
 212                 .buffers = 1,
 213         },
 214         {
 215                 .fourcc   = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
 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, /* rrrrrggg gggbbbbb */
 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, /* xxxxrrrr ggggbbbb */
 232                 .vdownsampling = { 1 },
 233                 .bit_depth = { 16 },
 234                 .planes   = 1,
 235                 .buffers = 1,
 236         },
 237         {
 238                 .fourcc   = V4L2_PIX_FMT_XRGB444, /* xxxxrrrr ggggbbbb */
 239                 .vdownsampling = { 1 },
 240                 .bit_depth = { 16 },
 241                 .planes   = 1,
 242                 .buffers = 1,
 243         },
 244         {
 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         },
 252         {
 253                 .fourcc   = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
 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, /* gggbbbbb xrrrrrgg */
 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, /* gggbbbbb arrrrrgg */
 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, /* xrrrrrgg gggbbbbb */
 279                 .vdownsampling = { 1 },
 280                 .bit_depth = { 16 },
 281                 .planes   = 1,
 282                 .buffers = 1,
 283         },
 284         {
 285                 .fourcc   = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
 286                 .vdownsampling = { 1 },
 287                 .bit_depth = { 16 },
 288                 .planes   = 1,
 289                 .buffers = 1,
 290         },
 291         {
 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,
 298         },
 299         {
 300                 .fourcc   = V4L2_PIX_FMT_RGB24, /* rgb */
 301                 .vdownsampling = { 1 },
 302                 .bit_depth = { 24 },
 303                 .planes   = 1,
 304                 .buffers = 1,
 305         },
 306         {
 307                 .fourcc   = V4L2_PIX_FMT_BGR24, /* bgr */
 308                 .vdownsampling = { 1 },
 309                 .bit_depth = { 24 },
 310                 .planes   = 1,
 311                 .buffers = 1,
 312         },
 313         {
 314                 .fourcc   = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
 315                 .vdownsampling = { 1 },
 316                 .bit_depth = { 32 },
 317                 .planes   = 1,
 318                 .buffers = 1,
 319         },
 320         {
 321                 .fourcc   = V4L2_PIX_FMT_RGB32, /* xrgb */
 322                 .vdownsampling = { 1 },
 323                 .bit_depth = { 32 },
 324                 .planes   = 1,
 325                 .buffers = 1,
 326         },
 327         {
 328                 .fourcc   = V4L2_PIX_FMT_BGR32, /* bgrx */
 329                 .vdownsampling = { 1 },
 330                 .bit_depth = { 32 },
 331                 .planes   = 1,
 332                 .buffers = 1,
 333         },
 334         {
 335                 .fourcc   = V4L2_PIX_FMT_XRGB32, /* xrgb */
 336                 .vdownsampling = { 1 },
 337                 .bit_depth = { 32 },
 338                 .planes   = 1,
 339                 .buffers = 1,
 340         },
 341         {
 342                 .fourcc   = V4L2_PIX_FMT_XBGR32, /* bgrx */
 343                 .vdownsampling = { 1 },
 344                 .bit_depth = { 32 },
 345                 .planes   = 1,
 346                 .buffers = 1,
 347         },
 348         {
 349                 .fourcc   = V4L2_PIX_FMT_ARGB32, /* argb */
 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, /* bgra */
 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, /* Bayer BG/GR */
 366                 .vdownsampling = { 1 },
 367                 .bit_depth = { 8 },
 368                 .planes   = 1,
 369                 .buffers = 1,
 370         },
 371         {
 372                 .fourcc   = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
 373                 .vdownsampling = { 1 },
 374                 .bit_depth = { 8 },
 375                 .planes   = 1,
 376                 .buffers = 1,
 377         },
 378         {
 379                 .fourcc   = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
 380                 .vdownsampling = { 1 },
 381                 .bit_depth = { 8 },
 382                 .planes   = 1,
 383                 .buffers = 1,
 384         },
 385         {
 386                 .fourcc   = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
 387                 .vdownsampling = { 1 },
 388                 .bit_depth = { 8 },
 389                 .planes   = 1,
 390                 .buffers = 1,
 391         },
 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         },
 448         {
 449                 .fourcc   = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
 450                 .color_enc = TGP_COLOR_ENC_HSV,
 451                 .vdownsampling = { 1 },
 452                 .bit_depth = { 24 },
 453                 .planes   = 1,
 454                 .buffers = 1,
 455         },
 456         {
 457                 .fourcc   = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
 458                 .color_enc = TGP_COLOR_ENC_HSV,
 459                 .vdownsampling = { 1 },
 460                 .bit_depth = { 32 },
 461                 .planes   = 1,
 462                 .buffers = 1,
 463         },
 464
 465         /* Multiplanar formats */
 466
 467         {
 468                 .fourcc   = V4L2_PIX_FMT_NV16M,
 469                 .vdownsampling = { 1, 1 },
 470                 .bit_depth = { 8, 8 },
 471                 .color_enc = TGP_COLOR_ENC_YCBCR,
 472                 .planes   = 2,
 473                 .buffers = 2,
 474                 .data_offset = { PLANE0_DATA_OFFSET, 0 },
 475         },
 476         {
 477                 .fourcc   = V4L2_PIX_FMT_NV61M,
 478                 .vdownsampling = { 1, 1 },
 479                 .bit_depth = { 8, 8 },
 480                 .color_enc = TGP_COLOR_ENC_YCBCR,
 481                 .planes   = 2,
 482                 .buffers = 2,
 483                 .data_offset = { 0, PLANE0_DATA_OFFSET },
 484         },
 485         {
 486                 .fourcc   = V4L2_PIX_FMT_YUV420M,
 487                 .vdownsampling = { 1, 2, 2 },
 488                 .bit_depth = { 8, 4, 4 },
 489                 .color_enc = TGP_COLOR_ENC_YCBCR,
 490                 .planes   = 3,
 491                 .buffers = 3,
 492         },
 493         {
 494                 .fourcc   = V4L2_PIX_FMT_YVU420M,
 495                 .vdownsampling = { 1, 2, 2 },
 496                 .bit_depth = { 8, 4, 4 },
 497                 .color_enc = TGP_COLOR_ENC_YCBCR,
 498                 .planes   = 3,
 499                 .buffers = 3,
 500         },
 501         {
 502                 .fourcc   = V4L2_PIX_FMT_NV12M,
 503                 .vdownsampling = { 1, 2 },
 504                 .bit_depth = { 8, 8 },
 505                 .color_enc = TGP_COLOR_ENC_YCBCR,
 506                 .planes   = 2,
 507                 .buffers = 2,
 508         },
 509         {
 510                 .fourcc   = V4L2_PIX_FMT_NV21M,
 511                 .vdownsampling = { 1, 2 },
 512                 .bit_depth = { 8, 8 },
 513                 .color_enc = TGP_COLOR_ENC_YCBCR,
 514                 .planes   = 2,
 515                 .buffers = 2,
 516         },
 517         {
 518                 .fourcc   = V4L2_PIX_FMT_YUV422M,
 519                 .vdownsampling = { 1, 1, 1 },
 520                 .bit_depth = { 8, 4, 4 },
 521                 .color_enc = TGP_COLOR_ENC_YCBCR,
 522                 .planes   = 3,
 523                 .buffers = 3,
 524         },
 525         {
 526                 .fourcc   = V4L2_PIX_FMT_YVU422M,
 527                 .vdownsampling = { 1, 1, 1 },
 528                 .bit_depth = { 8, 4, 4 },
 529                 .color_enc = TGP_COLOR_ENC_YCBCR,
 530                 .planes   = 3,
 531                 .buffers = 3,
 532         },
 533         {
 534                 .fourcc   = V4L2_PIX_FMT_YUV444M,
 535                 .vdownsampling = { 1, 1, 1 },
 536                 .bit_depth = { 8, 8, 8 },
 537                 .color_enc = TGP_COLOR_ENC_YCBCR,
 538                 .planes   = 3,
 539                 .buffers = 3,
 540         },
 541         {
 542                 .fourcc   = V4L2_PIX_FMT_YVU444M,
 543                 .vdownsampling = { 1, 1, 1 },
 544                 .bit_depth = { 8, 8, 8 },
 545                 .color_enc = TGP_COLOR_ENC_YCBCR,
 546                 .planes   = 3,
 547                 .buffers = 3,
 548         },
 549 };
 550
 551 /* There are this many multiplanar formats in the list */
 552 #define VIVID_MPLANAR_FORMATS 10
 553
 554 const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
 555 {
 556         const struct vivid_fmt *fmt;
 557         unsigned k;
 558
 559         for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
 560                 fmt = &vivid_formats[k];
 561                 if (fmt->fourcc == pixelformat)
 562                         if (fmt->buffers == 1 || dev->multiplanar)
 563                                 return fmt;
 564         }
 565
 566         return NULL;
 567 }
 568
 569 bool vivid_vid_can_loop(struct vivid_dev *dev)
 570 {
 571         if (dev->src_rect.width != dev->sink_rect.width ||
 572             dev->src_rect.height != dev->sink_rect.height)
 573                 return false;
 574         if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
 575                 return false;
 576         if (dev->field_cap != dev->field_out)
 577                 return false;
 578         /*
 579          * While this can be supported, it is just too much work
 580          * to actually implement.
 581          */
 582         if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
 583             dev->field_cap == V4L2_FIELD_SEQ_BT)
 584                 return false;
 585         if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
 586                 if (!(dev->std_cap & V4L2_STD_525_60) !=
 587                     !(dev->std_out & V4L2_STD_525_60))
 588                         return false;
 589                 return true;
 590         }
 591         if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
 592                 return true;
 593         return false;
 594 }
 595
 596 void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
 597 {
 598         struct v4l2_event ev = {
 599                 .type = V4L2_EVENT_SOURCE_CHANGE,
 600                 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 601         };
 602         unsigned i;
 603
 604         for (i = 0; i < dev->num_inputs; i++) {
 605                 ev.id = i;
 606                 if (dev->input_type[i] == type) {
 607                         if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
 608                                 v4l2_event_queue(&dev->vid_cap_dev, &ev);
 609                         if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
 610                                 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
 611                 }
 612         }
 613 }
 614
 615 /*
 616  * Conversion function that converts a single-planar format to a
 617  * single-plane multiplanar format.
 618  */
 619 void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
 620 {
 621         struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
 622         struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
 623         const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
 624         bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
 625
 626         memset(mp->reserved, 0, sizeof(mp->reserved));
 627         mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
 628                            V4L2_CAP_VIDEO_CAPTURE_MPLANE;
 629         mp->width = pix->width;
 630         mp->height = pix->height;
 631         mp->pixelformat = pix->pixelformat;
 632         mp->field = pix->field;
 633         mp->colorspace = pix->colorspace;
 634         mp->xfer_func = pix->xfer_func;
 635         /* Also copies hsv_enc */
 636         mp->ycbcr_enc = pix->ycbcr_enc;
 637         mp->quantization = pix->quantization;
 638         mp->num_planes = 1;
 639         mp->flags = pix->flags;
 640         ppix->sizeimage = pix->sizeimage;
 641         ppix->bytesperline = pix->bytesperline;
 642         memset(ppix->reserved, 0, sizeof(ppix->reserved));
 643 }
 644
 645 int fmt_sp2mp_func(struct file *file, void *priv,
 646                 struct v4l2_format *f, fmtfunc func)
 647 {
 648         struct v4l2_format fmt;
 649         struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
 650         struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
 651         struct v4l2_pix_format *pix = &f->fmt.pix;
 652         int ret;
 653
 654         /* Converts to a mplane format */
 655         fmt_sp2mp(f, &fmt);
 656         /* Passes it to the generic mplane format function */
 657         ret = func(file, priv, &fmt);
 658         /* Copies back the mplane data to the single plane format */
 659         pix->width = mp->width;
 660         pix->height = mp->height;
 661         pix->pixelformat = mp->pixelformat;
 662         pix->field = mp->field;
 663         pix->colorspace = mp->colorspace;
 664         pix->xfer_func = mp->xfer_func;
 665         /* Also copies hsv_enc */
 666         pix->ycbcr_enc = mp->ycbcr_enc;
 667         pix->quantization = mp->quantization;
 668         pix->sizeimage = ppix->sizeimage;
 669         pix->bytesperline = ppix->bytesperline;
 670         pix->flags = mp->flags;
 671         return ret;
 672 }
 673
 674 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
 675 {
 676         unsigned w = r->width;
 677         unsigned h = r->height;
 678
 679         /* sanitize w and h in case someone passes ~0 as the value */
 680         w &= 0xffff;
 681         h &= 0xffff;
 682         if (!(flags & V4L2_SEL_FLAG_LE)) {
 683                 w++;
 684                 h++;
 685                 if (w < 2)
 686                         w = 2;
 687                 if (h < 2)
 688                         h = 2;
 689         }
 690         if (!(flags & V4L2_SEL_FLAG_GE)) {
 691                 if (w > MAX_WIDTH)
 692                         w = MAX_WIDTH;
 693                 if (h > MAX_HEIGHT)
 694                         h = MAX_HEIGHT;
 695         }
 696         w = w & ~1;
 697         h = h & ~1;
 698         if (w < 2 || h < 2)
 699                 return -ERANGE;
 700         if (w > MAX_WIDTH || h > MAX_HEIGHT)
 701                 return -ERANGE;
 702         if (r->top < 0)
 703                 r->top = 0;
 704         if (r->left < 0)
 705                 r->left = 0;
 706         /* sanitize left and top in case someone passes ~0 as the value */
 707         r->left &= 0xfffe;
 708         r->top &= 0xfffe;
 709         if (r->left + w > MAX_WIDTH)
 710                 r->left = MAX_WIDTH - w;
 711         if (r->top + h > MAX_HEIGHT)
 712                 r->top = MAX_HEIGHT - h;
 713         if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
 714                         (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
 715             (r->width != w || r->height != h))
 716                 return -ERANGE;
 717         r->width = w;
 718         r->height = h;
 719         return 0;
 720 }
 721
 722 int vivid_enum_fmt_vid(struct file *file, void  *priv,
 723                                         struct v4l2_fmtdesc *f)
 724 {
 725         struct vivid_dev *dev = video_drvdata(file);
 726         const struct vivid_fmt *fmt;
 727
 728         if (f->index >= ARRAY_SIZE(vivid_formats) -
 729             (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
 730                 return -EINVAL;
 731
 732         fmt = &vivid_formats[f->index];
 733
 734         f->pixelformat = fmt->fourcc;
 735         return 0;
 736 }
 737
 738 int vidioc_enum_fmt_vid_mplane(struct file *file, void  *priv,
 739                                         struct v4l2_fmtdesc *f)
 740 {
 741         struct vivid_dev *dev = video_drvdata(file);
 742
 743         if (!dev->multiplanar)
 744                 return -ENOTTY;
 745         return vivid_enum_fmt_vid(file, priv, f);
 746 }
 747
 748 int vidioc_enum_fmt_vid(struct file *file, void  *priv,
 749                                         struct v4l2_fmtdesc *f)
 750 {
 751         struct vivid_dev *dev = video_drvdata(file);
 752
 753         if (dev->multiplanar)
 754                 return -ENOTTY;
 755         return vivid_enum_fmt_vid(file, priv, f);
 756 }
 757
 758 int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 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_sdtv_cap(dev))
 765                         return -ENODATA;
 766                 *id = dev->std_cap;
 767         } else {
 768                 if (!vivid_is_svid_out(dev))
 769                         return -ENODATA;
 770                 *id = dev->std_out;
 771         }
 772         return 0;
 773 }
 774
 775 int vidioc_g_dv_timings(struct file *file, void *_fh,
 776                                     struct v4l2_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                 *timings = dev->dv_timings_cap;
 785         } else {
 786                 if (!vivid_is_hdmi_out(dev))
 787                         return -ENODATA;
 788                 *timings = dev->dv_timings_out;
 789         }
 790         return 0;
 791 }
 792
 793 int vidioc_enum_dv_timings(struct file *file, void *_fh,
 794                                     struct v4l2_enum_dv_timings *timings)
 795 {
 796         struct vivid_dev *dev = video_drvdata(file);
 797         struct video_device *vdev = video_devdata(file);
 798
 799         if (vdev->vfl_dir == VFL_DIR_RX) {
 800                 if (!vivid_is_hdmi_cap(dev))
 801                         return -ENODATA;
 802         } else {
 803                 if (!vivid_is_hdmi_out(dev))
 804                         return -ENODATA;
 805         }
 806         return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
 807                         NULL, NULL);
 808 }
 809
 810 int vidioc_dv_timings_cap(struct file *file, void *_fh,
 811                                     struct v4l2_dv_timings_cap *cap)
 812 {
 813         struct vivid_dev *dev = video_drvdata(file);
 814         struct video_device *vdev = video_devdata(file);
 815
 816         if (vdev->vfl_dir == VFL_DIR_RX) {
 817                 if (!vivid_is_hdmi_cap(dev))
 818                         return -ENODATA;
 819         } else {
 820                 if (!vivid_is_hdmi_out(dev))
 821                         return -ENODATA;
 822         }
 823         *cap = vivid_dv_timings_cap;
 824         return 0;
 825 }
 826
 827 int vidioc_g_edid(struct file *file, void *_fh,
 828                          struct v4l2_edid *edid)
 829 {
 830         struct vivid_dev *dev = video_drvdata(file);
 831         struct video_device *vdev = video_devdata(file);
 832         struct cec_adapter *adap;
 833
 834         memset(edid->reserved, 0, sizeof(edid->reserved));
 835         if (vdev->vfl_dir == VFL_DIR_RX) {
 836                 if (edid->pad >= dev->num_inputs)
 837                         return -EINVAL;
 838                 if (dev->input_type[edid->pad] != HDMI)
 839                         return -EINVAL;
 840                 adap = dev->cec_rx_adap;
 841         } else {
 842                 unsigned int bus_idx;
 843
 844                 if (edid->pad >= dev->num_outputs)
 845                         return -EINVAL;
 846                 if (dev->output_type[edid->pad] != HDMI)
 847                         return -EINVAL;
 848                 bus_idx = dev->cec_output2bus_map[edid->pad];
 849                 adap = dev->cec_tx_adap[bus_idx];
 850         }
 851         if (edid->start_block == 0 && edid->blocks == 0) {
 852                 edid->blocks = dev->edid_blocks;
 853                 return 0;
 854         }
 855         if (dev->edid_blocks == 0)
 856                 return -ENODATA;
 857         if (edid->start_block >= dev->edid_blocks)
 858                 return -EINVAL;
 859         if (edid->start_block + edid->blocks > dev->edid_blocks)
 860                 edid->blocks = dev->edid_blocks - edid->start_block;
 861         memcpy(edid->edid, dev->edid, edid->blocks * 128);
 862         cec_set_edid_phys_addr(edid->edid, edid->blocks * 128, adap->phys_addr);
 863         return 0;
 864 }