git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/saa7134/saa7134-video.c

   1 /*
   2  *
   3  * device driver for philips saa7134 based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/kernel.h>
  27 #include <linux/slab.h>
  28 #include <linux/sort.h>
  29
  30 #include "saa7134-reg.h"
  31 #include "saa7134.h"
  32 #include <media/v4l2-common.h>
  33
  34 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  35 /* Include V4L1 specific functions. Should be removed soon */
  36 #include <linux/videodev.h>
  37 #endif
  38
  39 /* ------------------------------------------------------------------ */
  40
  41 static unsigned int video_debug   = 0;
  42 static unsigned int gbuffers      = 8;
  43 static unsigned int noninterlaced = 0;
  44 static unsigned int gbufsize      = 720*576*4;
  45 static unsigned int gbufsize_max  = 720*576*4;
  46 static char secam[] = "--";
  47 module_param(video_debug, int, 0644);
  48 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  49 module_param(gbuffers, int, 0444);
  50 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  51 module_param(noninterlaced, int, 0644);
  52 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
  53 module_param_string(secam, secam, sizeof(secam), 0644);
  54 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
  55
  56
  57 #define dprintk(fmt, arg...)    if (video_debug) \
  58         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  59
  60 /* ------------------------------------------------------------------ */
  61 /* Defines for Video Output Port Register at address 0x191            */
  62
  63 /* Bit 0: VIP code T bit polarity */
  64
  65 #define VP_T_CODE_P_NON_INVERTED        0x00
  66 #define VP_T_CODE_P_INVERTED            0x01
  67
  68 /* ------------------------------------------------------------------ */
  69 /* Defines for Video Output Port Register at address 0x195            */
  70
  71 /* Bit 2: Video output clock delay control */
  72
  73 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
  74 #define VP_CLK_CTRL2_DELAYED            0x04
  75
  76 /* Bit 1: Video output clock invert control */
  77
  78 #define VP_CLK_CTRL1_NON_INVERTED       0x00
  79 #define VP_CLK_CTRL1_INVERTED           0x02
  80
  81 /* ------------------------------------------------------------------ */
  82 /* Defines for Video Output Port Register at address 0x196            */
  83
  84 /* Bits 2 to 0: VSYNC pin video vertical sync type */
  85
  86 #define VP_VS_TYPE_MASK                 0x07
  87
  88 #define VP_VS_TYPE_OFF                  0x00
  89 #define VP_VS_TYPE_V123                 0x01
  90 #define VP_VS_TYPE_V_ITU                0x02
  91 #define VP_VS_TYPE_VGATE_L              0x03
  92 #define VP_VS_TYPE_RESERVED1            0x04
  93 #define VP_VS_TYPE_RESERVED2            0x05
  94 #define VP_VS_TYPE_F_ITU                0x06
  95 #define VP_VS_TYPE_SC_FID               0x07
  96
  97 /* ------------------------------------------------------------------ */
  98 /* data structs for video                                             */
  99
 100 static int video_out[][9] = {
 101         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
 102 };
 103
 104 static struct saa7134_format formats[] = {
 105         {
 106                 .name     = "8 bpp gray",
 107                 .fourcc   = V4L2_PIX_FMT_GREY,
 108                 .depth    = 8,
 109                 .pm       = 0x06,
 110         },{
 111                 .name     = "15 bpp RGB, le",
 112                 .fourcc   = V4L2_PIX_FMT_RGB555,
 113                 .depth    = 16,
 114                 .pm       = 0x13 | 0x80,
 115         },{
 116                 .name     = "15 bpp RGB, be",
 117                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 118                 .depth    = 16,
 119                 .pm       = 0x13 | 0x80,
 120                 .bswap    = 1,
 121         },{
 122                 .name     = "16 bpp RGB, le",
 123                 .fourcc   = V4L2_PIX_FMT_RGB565,
 124                 .depth    = 16,
 125                 .pm       = 0x10 | 0x80,
 126         },{
 127                 .name     = "16 bpp RGB, be",
 128                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 129                 .depth    = 16,
 130                 .pm       = 0x10 | 0x80,
 131                 .bswap    = 1,
 132         },{
 133                 .name     = "24 bpp RGB, le",
 134                 .fourcc   = V4L2_PIX_FMT_BGR24,
 135                 .depth    = 24,
 136                 .pm       = 0x11,
 137         },{
 138                 .name     = "24 bpp RGB, be",
 139                 .fourcc   = V4L2_PIX_FMT_RGB24,
 140                 .depth    = 24,
 141                 .pm       = 0x11,
 142                 .bswap    = 1,
 143         },{
 144                 .name     = "32 bpp RGB, le",
 145                 .fourcc   = V4L2_PIX_FMT_BGR32,
 146                 .depth    = 32,
 147                 .pm       = 0x12,
 148         },{
 149                 .name     = "32 bpp RGB, be",
 150                 .fourcc   = V4L2_PIX_FMT_RGB32,
 151                 .depth    = 32,
 152                 .pm       = 0x12,
 153                 .bswap    = 1,
 154                 .wswap    = 1,
 155         },{
 156                 .name     = "4:2:2 packed, YUYV",
 157                 .fourcc   = V4L2_PIX_FMT_YUYV,
 158                 .depth    = 16,
 159                 .pm       = 0x00,
 160                 .bswap    = 1,
 161                 .yuv      = 1,
 162         },{
 163                 .name     = "4:2:2 packed, UYVY",
 164                 .fourcc   = V4L2_PIX_FMT_UYVY,
 165                 .depth    = 16,
 166                 .pm       = 0x00,
 167                 .yuv      = 1,
 168         },{
 169                 .name     = "4:2:2 planar, Y-Cb-Cr",
 170                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 171                 .depth    = 16,
 172                 .pm       = 0x09,
 173                 .yuv      = 1,
 174                 .planar   = 1,
 175                 .hshift   = 1,
 176                 .vshift   = 0,
 177         },{
 178                 .name     = "4:2:0 planar, Y-Cb-Cr",
 179                 .fourcc   = V4L2_PIX_FMT_YUV420,
 180                 .depth    = 12,
 181                 .pm       = 0x0a,
 182                 .yuv      = 1,
 183                 .planar   = 1,
 184                 .hshift   = 1,
 185                 .vshift   = 1,
 186         },{
 187                 .name     = "4:2:0 planar, Y-Cb-Cr",
 188                 .fourcc   = V4L2_PIX_FMT_YVU420,
 189                 .depth    = 12,
 190                 .pm       = 0x0a,
 191                 .yuv      = 1,
 192                 .planar   = 1,
 193                 .uvswap   = 1,
 194                 .hshift   = 1,
 195                 .vshift   = 1,
 196         }
 197 };
 198 #define FORMATS ARRAY_SIZE(formats)
 199
 200 #define NORM_625_50                     \
 201                 .h_start       = 0,     \
 202                 .h_stop        = 719,   \
 203                 .video_v_start = 24,    \
 204                 .video_v_stop  = 311,   \
 205                 .vbi_v_start_0 = 7,     \
 206                 .vbi_v_stop_0  = 22,    \
 207                 .vbi_v_start_1 = 319,   \
 208                 .src_timing    = 4
 209
 210 #define NORM_525_60                     \
 211                 .h_start       = 0,     \
 212                 .h_stop        = 703,   \
 213                 .video_v_start = 23,    \
 214                 .video_v_stop  = 262,   \
 215                 .vbi_v_start_0 = 10,    \
 216                 .vbi_v_stop_0  = 21,    \
 217                 .vbi_v_start_1 = 273,   \
 218                 .src_timing    = 7
 219
 220 static struct saa7134_tvnorm tvnorms[] = {
 221         {
 222                 .name          = "PAL", /* autodetect */
 223                 .id            = V4L2_STD_PAL,
 224                 NORM_625_50,
 225
 226                 .sync_control  = 0x18,
 227                 .luma_control  = 0x40,
 228                 .chroma_ctrl1  = 0x81,
 229                 .chroma_gain   = 0x2a,
 230                 .chroma_ctrl2  = 0x06,
 231                 .vgate_misc    = 0x1c,
 232
 233         },{
 234                 .name          = "PAL-BG",
 235                 .id            = V4L2_STD_PAL_BG,
 236                 NORM_625_50,
 237
 238                 .sync_control  = 0x18,
 239                 .luma_control  = 0x40,
 240                 .chroma_ctrl1  = 0x81,
 241                 .chroma_gain   = 0x2a,
 242                 .chroma_ctrl2  = 0x06,
 243                 .vgate_misc    = 0x1c,
 244
 245         },{
 246                 .name          = "PAL-I",
 247                 .id            = V4L2_STD_PAL_I,
 248                 NORM_625_50,
 249
 250                 .sync_control  = 0x18,
 251                 .luma_control  = 0x40,
 252                 .chroma_ctrl1  = 0x81,
 253                 .chroma_gain   = 0x2a,
 254                 .chroma_ctrl2  = 0x06,
 255                 .vgate_misc    = 0x1c,
 256
 257         },{
 258                 .name          = "PAL-DK",
 259                 .id            = V4L2_STD_PAL_DK,
 260                 NORM_625_50,
 261
 262                 .sync_control  = 0x18,
 263                 .luma_control  = 0x40,
 264                 .chroma_ctrl1  = 0x81,
 265                 .chroma_gain   = 0x2a,
 266                 .chroma_ctrl2  = 0x06,
 267                 .vgate_misc    = 0x1c,
 268
 269         },{
 270                 .name          = "NTSC",
 271                 .id            = V4L2_STD_NTSC,
 272                 NORM_525_60,
 273
 274                 .sync_control  = 0x59,
 275                 .luma_control  = 0x40,
 276                 .chroma_ctrl1  = 0x89,
 277                 .chroma_gain   = 0x2a,
 278                 .chroma_ctrl2  = 0x0e,
 279                 .vgate_misc    = 0x18,
 280
 281         },{
 282                 .name          = "SECAM",
 283                 .id            = V4L2_STD_SECAM,
 284                 NORM_625_50,
 285
 286                 .sync_control  = 0x18,
 287                 .luma_control  = 0x1b,
 288                 .chroma_ctrl1  = 0xd1,
 289                 .chroma_gain   = 0x80,
 290                 .chroma_ctrl2  = 0x00,
 291                 .vgate_misc    = 0x1c,
 292
 293         },{
 294                 .name          = "SECAM-DK",
 295                 .id            = V4L2_STD_SECAM_DK,
 296                 NORM_625_50,
 297
 298                 .sync_control  = 0x18,
 299                 .luma_control  = 0x1b,
 300                 .chroma_ctrl1  = 0xd1,
 301                 .chroma_gain   = 0x80,
 302                 .chroma_ctrl2  = 0x00,
 303                 .vgate_misc    = 0x1c,
 304
 305         },{
 306                 .name          = "SECAM-L",
 307                 .id            = V4L2_STD_SECAM_L,
 308                 NORM_625_50,
 309
 310                 .sync_control  = 0x18,
 311                 .luma_control  = 0x1b,
 312                 .chroma_ctrl1  = 0xd1,
 313                 .chroma_gain   = 0x80,
 314                 .chroma_ctrl2  = 0x00,
 315                 .vgate_misc    = 0x1c,
 316
 317         },{
 318                 .name          = "SECAM-Lc",
 319                 .id            = V4L2_STD_SECAM_LC,
 320                 NORM_625_50,
 321
 322                 .sync_control  = 0x18,
 323                 .luma_control  = 0x1b,
 324                 .chroma_ctrl1  = 0xd1,
 325                 .chroma_gain   = 0x80,
 326                 .chroma_ctrl2  = 0x00,
 327                 .vgate_misc    = 0x1c,
 328
 329         },{
 330                 .name          = "PAL-M",
 331                 .id            = V4L2_STD_PAL_M,
 332                 NORM_525_60,
 333
 334                 .sync_control  = 0x59,
 335                 .luma_control  = 0x40,
 336                 .chroma_ctrl1  = 0xb9,
 337                 .chroma_gain   = 0x2a,
 338                 .chroma_ctrl2  = 0x0e,
 339                 .vgate_misc    = 0x18,
 340
 341         },{
 342                 .name          = "PAL-Nc",
 343                 .id            = V4L2_STD_PAL_Nc,
 344                 NORM_625_50,
 345
 346                 .sync_control  = 0x18,
 347                 .luma_control  = 0x40,
 348                 .chroma_ctrl1  = 0xa1,
 349                 .chroma_gain   = 0x2a,
 350                 .chroma_ctrl2  = 0x06,
 351                 .vgate_misc    = 0x1c,
 352
 353         },{
 354                 .name          = "PAL-60",
 355                 .id            = V4L2_STD_PAL_60,
 356
 357                 .h_start       = 0,
 358                 .h_stop        = 719,
 359                 .video_v_start = 23,
 360                 .video_v_stop  = 262,
 361                 .vbi_v_start_0 = 10,
 362                 .vbi_v_stop_0  = 21,
 363                 .vbi_v_start_1 = 273,
 364                 .src_timing    = 7,
 365
 366                 .sync_control  = 0x18,
 367                 .luma_control  = 0x40,
 368                 .chroma_ctrl1  = 0x81,
 369                 .chroma_gain   = 0x2a,
 370                 .chroma_ctrl2  = 0x06,
 371                 .vgate_misc    = 0x1c,
 372         }
 373 };
 374 #define TVNORMS ARRAY_SIZE(tvnorms)
 375
 376 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 377 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 378 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 379 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 380 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 381
 382 static const struct v4l2_queryctrl no_ctrl = {
 383         .name  = "42",
 384         .flags = V4L2_CTRL_FLAG_DISABLED,
 385 };
 386 static const struct v4l2_queryctrl video_ctrls[] = {
 387         /* --- video --- */
 388         {
 389                 .id            = V4L2_CID_BRIGHTNESS,
 390                 .name          = "Brightness",
 391                 .minimum       = 0,
 392                 .maximum       = 255,
 393                 .step          = 1,
 394                 .default_value = 128,
 395                 .type          = V4L2_CTRL_TYPE_INTEGER,
 396         },{
 397                 .id            = V4L2_CID_CONTRAST,
 398                 .name          = "Contrast",
 399                 .minimum       = 0,
 400                 .maximum       = 127,
 401                 .step          = 1,
 402                 .default_value = 68,
 403                 .type          = V4L2_CTRL_TYPE_INTEGER,
 404         },{
 405                 .id            = V4L2_CID_SATURATION,
 406                 .name          = "Saturation",
 407                 .minimum       = 0,
 408                 .maximum       = 127,
 409                 .step          = 1,
 410                 .default_value = 64,
 411                 .type          = V4L2_CTRL_TYPE_INTEGER,
 412         },{
 413                 .id            = V4L2_CID_HUE,
 414                 .name          = "Hue",
 415                 .minimum       = -128,
 416                 .maximum       = 127,
 417                 .step          = 1,
 418                 .default_value = 0,
 419                 .type          = V4L2_CTRL_TYPE_INTEGER,
 420         },{
 421                 .id            = V4L2_CID_HFLIP,
 422                 .name          = "Mirror",
 423                 .minimum       = 0,
 424                 .maximum       = 1,
 425                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 426         },
 427         /* --- audio --- */
 428         {
 429                 .id            = V4L2_CID_AUDIO_MUTE,
 430                 .name          = "Mute",
 431                 .minimum       = 0,
 432                 .maximum       = 1,
 433                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 434         },{
 435                 .id            = V4L2_CID_AUDIO_VOLUME,
 436                 .name          = "Volume",
 437                 .minimum       = -15,
 438                 .maximum       = 15,
 439                 .step          = 1,
 440                 .default_value = 0,
 441                 .type          = V4L2_CTRL_TYPE_INTEGER,
 442         },
 443         /* --- private --- */
 444         {
 445                 .id            = V4L2_CID_PRIVATE_INVERT,
 446                 .name          = "Invert",
 447                 .minimum       = 0,
 448                 .maximum       = 1,
 449                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 450         },{
 451                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 452                 .name          = "y offset odd field",
 453                 .minimum       = 0,
 454                 .maximum       = 128,
 455                 .default_value = 0,
 456                 .type          = V4L2_CTRL_TYPE_INTEGER,
 457         },{
 458                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 459                 .name          = "y offset even field",
 460                 .minimum       = 0,
 461                 .maximum       = 128,
 462                 .default_value = 0,
 463                 .type          = V4L2_CTRL_TYPE_INTEGER,
 464         },{
 465                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 466                 .name          = "automute",
 467                 .minimum       = 0,
 468                 .maximum       = 1,
 469                 .default_value = 1,
 470                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 471         }
 472 };
 473 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 474
 475 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 476 {
 477         unsigned int i;
 478
 479         for (i = 0; i < CTRLS; i++)
 480                 if (video_ctrls[i].id == id)
 481                         return video_ctrls+i;
 482         return NULL;
 483 }
 484
 485 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 486 {
 487         unsigned int i;
 488
 489         for (i = 0; i < FORMATS; i++)
 490                 if (formats[i].fourcc == fourcc)
 491                         return formats+i;
 492         return NULL;
 493 }
 494
 495 /* ----------------------------------------------------------------------- */
 496 /* resource management                                                     */
 497
 498 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 499 {
 500         if (fh->resources & bit)
 501                 /* have it already allocated */
 502                 return 1;
 503
 504         /* is it free? */
 505         mutex_lock(&dev->lock);
 506         if (dev->resources & bit) {
 507                 /* no, someone else uses it */
 508                 mutex_unlock(&dev->lock);
 509                 return 0;
 510         }
 511         /* it's free, grab it */
 512         fh->resources  |= bit;
 513         dev->resources |= bit;
 514         dprintk("res: get %d\n",bit);
 515         mutex_unlock(&dev->lock);
 516         return 1;
 517 }
 518
 519 static int res_check(struct saa7134_fh *fh, unsigned int bit)
 520 {
 521         return (fh->resources & bit);
 522 }
 523
 524 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
 525 {
 526         return (dev->resources & bit);
 527 }
 528
 529 static
 530 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 531 {
 532         BUG_ON((fh->resources & bits) != bits);
 533
 534         mutex_lock(&dev->lock);
 535         fh->resources  &= ~bits;
 536         dev->resources &= ~bits;
 537         dprintk("res: put %d\n",bits);
 538         mutex_unlock(&dev->lock);
 539 }
 540
 541 /* ------------------------------------------------------------------ */
 542
 543 void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 544 {
 545
 546         dprintk("set tv norm = %s\n",norm->name);
 547         dev->tvnorm = norm;
 548
 549         /* setup cropping */
 550         dev->crop_bounds.left    = norm->h_start;
 551         dev->crop_defrect.left   = norm->h_start;
 552         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 553         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 554
 555         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 556         dev->crop_defrect.top    = norm->video_v_start*2;
 557         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 558                 - dev->crop_bounds.top;
 559         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 560
 561         dev->crop_current = dev->crop_defrect;
 562
 563         saa7134_set_tvnorm_hw(dev);
 564
 565 }
 566
 567 static void video_mux(struct saa7134_dev *dev, int input)
 568 {
 569         dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
 570         dev->ctl_input = input;
 571         set_tvnorm(dev, dev->tvnorm);
 572         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 573 }
 574
 575
 576 static void saa7134_set_decoder(struct saa7134_dev *dev)
 577 {
 578         int luma_control, sync_control, mux;
 579
 580         struct saa7134_tvnorm *norm = dev->tvnorm;
 581         mux = card_in(dev, dev->ctl_input).vmux;
 582
 583         luma_control = norm->luma_control;
 584         sync_control = norm->sync_control;
 585
 586         if (mux > 5)
 587                 luma_control |= 0x80; /* svideo */
 588         if (noninterlaced || dev->nosignal)
 589                 sync_control |= 0x20;
 590
 591         /* setup video decoder */
 592         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 593         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 594         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 595
 596         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 597         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 598         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 599         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 600         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 601
 602         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 603         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 604         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 605
 606         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 607                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 608
 609         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 610                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 611
 612         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 613         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 614         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 615
 616         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 617         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 618
 619         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 620         saa_writeb(SAA7134_VGATE_START,           0x11);
 621         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 622         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 623         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 624         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 625 }
 626
 627 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 628 {
 629         saa7134_set_decoder(dev);
 630
 631         if (card_in(dev, dev->ctl_input).tv) {
 632                 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
 633                                 && ((card(dev).tuner_config == 1)
 634                                 ||  (card(dev).tuner_config == 2)))
 635                         saa7134_set_gpio(dev, 22, 5);
 636                 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
 637         }
 638 }
 639
 640 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 641 {
 642         static const struct {
 643                 int xpsc;
 644                 int xacl;
 645                 int xc2_1;
 646                 int xdcg;
 647                 int vpfy;
 648         } vals[] = {
 649                 /* XPSC XACL XC2_1 XDCG VPFY */
 650                 {    1,   0,    0,    0,   0 },
 651                 {    2,   2,    1,    2,   2 },
 652                 {    3,   4,    1,    3,   2 },
 653                 {    4,   8,    1,    4,   2 },
 654                 {    5,   8,    1,    4,   2 },
 655                 {    6,   8,    1,    4,   3 },
 656                 {    7,   8,    1,    4,   3 },
 657                 {    8,  15,    0,    4,   3 },
 658                 {    9,  15,    0,    4,   3 },
 659                 {   10,  16,    1,    5,   3 },
 660         };
 661         static const int count = ARRAY_SIZE(vals);
 662         int i;
 663
 664         for (i = 0; i < count; i++)
 665                 if (vals[i].xpsc == prescale)
 666                         break;
 667         if (i == count)
 668                 return;
 669
 670         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 671         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 672         saa_writeb(SAA7134_LEVEL_CTRL(task),
 673                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 674         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 675                    (vals[i].vpfy << 2) | vals[i].vpfy);
 676 }
 677
 678 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 679 {
 680         int val,mirror;
 681
 682         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 683         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 684
 685         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 686         if (yscale < 2048) {
 687                 /* LPI */
 688                 dprintk("yscale LPI yscale=%d\n",yscale);
 689                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 690                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 691                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 692         } else {
 693                 /* ACM */
 694                 val = 0x40 * 1024 / yscale;
 695                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 696                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 697                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 698                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 699         }
 700         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 701 }
 702
 703 static void set_size(struct saa7134_dev *dev, int task,
 704                      int width, int height, int interlace)
 705 {
 706         int prescale,xscale,yscale,y_even,y_odd;
 707         int h_start, h_stop, v_start, v_stop;
 708         int div = interlace ? 2 : 1;
 709
 710         /* setup video scaler */
 711         h_start = dev->crop_current.left;
 712         v_start = dev->crop_current.top/2;
 713         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 714         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 715
 716         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 717         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 718         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 719         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 720         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 721         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 722         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 723         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 724
 725         prescale = dev->crop_current.width / width;
 726         if (0 == prescale)
 727                 prescale = 1;
 728         xscale = 1024 * dev->crop_current.width / prescale / width;
 729         yscale = 512 * div * dev->crop_current.height / height;
 730         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 731         set_h_prescale(dev,task,prescale);
 732         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 733         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 734         set_v_scale(dev,task,yscale);
 735
 736         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 737         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 738         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 739         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 740
 741         /* deinterlace y offsets */
 742         y_odd  = dev->ctl_y_odd;
 743         y_even = dev->ctl_y_even;
 744         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 745         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 746         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 747         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 748 }
 749
 750 /* ------------------------------------------------------------------ */
 751
 752 struct cliplist {
 753         __u16 position;
 754         __u8  enable;
 755         __u8  disable;
 756 };
 757
 758 static void set_cliplist(struct saa7134_dev *dev, int reg,
 759                         struct cliplist *cl, int entries, char *name)
 760 {
 761         __u8 winbits = 0;
 762         int i;
 763
 764         for (i = 0; i < entries; i++) {
 765                 winbits |= cl[i].enable;
 766                 winbits &= ~cl[i].disable;
 767                 if (i < 15 && cl[i].position == cl[i+1].position)
 768                         continue;
 769                 saa_writeb(reg + 0, winbits);
 770                 saa_writeb(reg + 2, cl[i].position & 0xff);
 771                 saa_writeb(reg + 3, cl[i].position >> 8);
 772                 dprintk("clip: %s winbits=%02x pos=%d\n",
 773                         name,winbits,cl[i].position);
 774                 reg += 8;
 775         }
 776         for (; reg < 0x400; reg += 8) {
 777                 saa_writeb(reg+ 0, 0);
 778                 saa_writeb(reg + 1, 0);
 779                 saa_writeb(reg + 2, 0);
 780                 saa_writeb(reg + 3, 0);
 781         }
 782 }
 783
 784 static int clip_range(int val)
 785 {
 786         if (val < 0)
 787                 val = 0;
 788         return val;
 789 }
 790
 791 /* Sort into smallest position first order */
 792 static int cliplist_cmp(const void *a, const void *b)
 793 {
 794         const struct cliplist *cla = a;
 795         const struct cliplist *clb = b;
 796         if (cla->position < clb->position)
 797                 return -1;
 798         if (cla->position > clb->position)
 799                 return 1;
 800         return 0;
 801 }
 802
 803 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 804                           int nclips, int interlace)
 805 {
 806         struct cliplist col[16], row[16];
 807         int cols = 0, rows = 0, i;
 808         int div = interlace ? 2 : 1;
 809
 810         memset(col, 0, sizeof(col));
 811         memset(row, 0, sizeof(row));
 812         for (i = 0; i < nclips && i < 8; i++) {
 813                 col[cols].position = clip_range(clips[i].c.left);
 814                 col[cols].enable   = (1 << i);
 815                 cols++;
 816                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 817                 col[cols].disable  = (1 << i);
 818                 cols++;
 819                 row[rows].position = clip_range(clips[i].c.top / div);
 820                 row[rows].enable   = (1 << i);
 821                 rows++;
 822                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 823                                                 / div);
 824                 row[rows].disable  = (1 << i);
 825                 rows++;
 826         }
 827         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 828         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 829         set_cliplist(dev,0x380,col,cols,"cols");
 830         set_cliplist(dev,0x384,row,rows,"rows");
 831         return 0;
 832 }
 833
 834 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 835 {
 836         enum v4l2_field field;
 837         int maxw, maxh;
 838
 839         if (NULL == dev->ovbuf.base)
 840                 return -EINVAL;
 841         if (NULL == dev->ovfmt)
 842                 return -EINVAL;
 843         if (win->w.width < 48 || win->w.height <  32)
 844                 return -EINVAL;
 845         if (win->clipcount > 2048)
 846                 return -EINVAL;
 847
 848         field = win->field;
 849         maxw  = dev->crop_current.width;
 850         maxh  = dev->crop_current.height;
 851
 852         if (V4L2_FIELD_ANY == field) {
 853                 field = (win->w.height > maxh/2)
 854                         ? V4L2_FIELD_INTERLACED
 855                         : V4L2_FIELD_TOP;
 856         }
 857         switch (field) {
 858         case V4L2_FIELD_TOP:
 859         case V4L2_FIELD_BOTTOM:
 860                 maxh = maxh / 2;
 861                 break;
 862         case V4L2_FIELD_INTERLACED:
 863                 break;
 864         default:
 865                 return -EINVAL;
 866         }
 867
 868         win->field = field;
 869         if (win->w.width > maxw)
 870                 win->w.width = maxw;
 871         if (win->w.height > maxh)
 872                 win->w.height = maxh;
 873         return 0;
 874 }
 875
 876 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 877 {
 878         unsigned long base,control,bpl;
 879         int err;
 880
 881         err = verify_preview(dev,&fh->win);
 882         if (0 != err)
 883                 return err;
 884
 885         dev->ovfield = fh->win.field;
 886         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 887                 fh->win.w.width,fh->win.w.height,
 888                 fh->win.w.left,fh->win.w.top,
 889                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 890
 891         /* setup window + clipping */
 892         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 893                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 894         setup_clipping(dev,fh->clips,fh->nclips,
 895                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 896         if (dev->ovfmt->yuv)
 897                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 898         else
 899                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 900         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 901
 902         /* dma: setup channel 1 (= Video Task B) */
 903         base  = (unsigned long)dev->ovbuf.base;
 904         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 905         base += dev->ovfmt->depth/8         * fh->win.w.left;
 906         bpl   = dev->ovbuf.fmt.bytesperline;
 907         control = SAA7134_RS_CONTROL_BURST_16;
 908         if (dev->ovfmt->bswap)
 909                 control |= SAA7134_RS_CONTROL_BSWAP;
 910         if (dev->ovfmt->wswap)
 911                 control |= SAA7134_RS_CONTROL_WSWAP;
 912         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 913                 saa_writel(SAA7134_RS_BA1(1),base);
 914                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 915                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 916                 saa_writel(SAA7134_RS_CONTROL(1),control);
 917         } else {
 918                 saa_writel(SAA7134_RS_BA1(1),base);
 919                 saa_writel(SAA7134_RS_BA2(1),base);
 920                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 921                 saa_writel(SAA7134_RS_CONTROL(1),control);
 922         }
 923
 924         /* start dma */
 925         dev->ovenable = 1;
 926         saa7134_set_dmabits(dev);
 927
 928         return 0;
 929 }
 930
 931 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 932 {
 933         dev->ovenable = 0;
 934         saa7134_set_dmabits(dev);
 935         return 0;
 936 }
 937
 938 /* ------------------------------------------------------------------ */
 939
 940 static int buffer_activate(struct saa7134_dev *dev,
 941                            struct saa7134_buf *buf,
 942                            struct saa7134_buf *next)
 943 {
 944         unsigned long base,control,bpl;
 945         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 946
 947         dprintk("buffer_activate buf=%p\n",buf);
 948         buf->vb.state = STATE_ACTIVE;
 949         buf->top_seen = 0;
 950
 951         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 952                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 953         if (buf->fmt->yuv)
 954                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 955         else
 956                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 957         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 958
 959         /* DMA: setup channel 0 (= Video Task A0) */
 960         base  = saa7134_buffer_base(buf);
 961         if (buf->fmt->planar)
 962                 bpl = buf->vb.width;
 963         else
 964                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 965         control = SAA7134_RS_CONTROL_BURST_16 |
 966                 SAA7134_RS_CONTROL_ME |
 967                 (buf->pt->dma >> 12);
 968         if (buf->fmt->bswap)
 969                 control |= SAA7134_RS_CONTROL_BSWAP;
 970         if (buf->fmt->wswap)
 971                 control |= SAA7134_RS_CONTROL_WSWAP;
 972         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 973                 /* interlaced */
 974                 saa_writel(SAA7134_RS_BA1(0),base);
 975                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 976                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 977         } else {
 978                 /* non-interlaced */
 979                 saa_writel(SAA7134_RS_BA1(0),base);
 980                 saa_writel(SAA7134_RS_BA2(0),base);
 981                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 982         }
 983         saa_writel(SAA7134_RS_CONTROL(0),control);
 984
 985         if (buf->fmt->planar) {
 986                 /* DMA: setup channel 4+5 (= planar task A) */
 987                 bpl_uv   = bpl >> buf->fmt->hshift;
 988                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 989                 base2    = base + bpl * buf->vb.height;
 990                 base3    = base2 + bpl_uv * lines_uv;
 991                 if (buf->fmt->uvswap)
 992                         tmp = base2, base2 = base3, base3 = tmp;
 993                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 994                         bpl_uv,lines_uv,base2,base3);
 995                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 996                         /* interlaced */
 997                         saa_writel(SAA7134_RS_BA1(4),base2);
 998                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 999                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
1000                         saa_writel(SAA7134_RS_BA1(5),base3);
1001                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1002                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1003                 } else {
1004                         /* non-interlaced */
1005                         saa_writel(SAA7134_RS_BA1(4),base2);
1006                         saa_writel(SAA7134_RS_BA2(4),base2);
1007                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1008                         saa_writel(SAA7134_RS_BA1(5),base3);
1009                         saa_writel(SAA7134_RS_BA2(5),base3);
1010                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1011                 }
1012                 saa_writel(SAA7134_RS_CONTROL(4),control);
1013                 saa_writel(SAA7134_RS_CONTROL(5),control);
1014         }
1015
1016         /* start DMA */
1017         saa7134_set_dmabits(dev);
1018         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1019         return 0;
1020 }
1021
1022 static int buffer_prepare(struct videobuf_queue *q,
1023                           struct videobuf_buffer *vb,
1024                           enum v4l2_field field)
1025 {
1026         struct saa7134_fh *fh = q->priv_data;
1027         struct saa7134_dev *dev = fh->dev;
1028         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1029         unsigned int size;
1030         int err;
1031
1032         /* sanity checks */
1033         if (NULL == fh->fmt)
1034                 return -EINVAL;
1035         if (fh->width    < 48 ||
1036             fh->height   < 32 ||
1037             fh->width/4  > dev->crop_current.width  ||
1038             fh->height/4 > dev->crop_current.height ||
1039             fh->width    > dev->crop_bounds.width  ||
1040             fh->height   > dev->crop_bounds.height)
1041                 return -EINVAL;
1042         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1043         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1044                 return -EINVAL;
1045
1046         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1047                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1048                 fh->fmt->name);
1049         if (buf->vb.width  != fh->width  ||
1050             buf->vb.height != fh->height ||
1051             buf->vb.size   != size       ||
1052             buf->vb.field  != field      ||
1053             buf->fmt       != fh->fmt) {
1054                 saa7134_dma_free(q,buf);
1055         }
1056
1057         if (STATE_NEEDS_INIT == buf->vb.state) {
1058                 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1059
1060                 buf->vb.width  = fh->width;
1061                 buf->vb.height = fh->height;
1062                 buf->vb.size   = size;
1063                 buf->vb.field  = field;
1064                 buf->fmt       = fh->fmt;
1065                 buf->pt        = &fh->pt_cap;
1066
1067                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1068                 if (err)
1069                         goto oops;
1070                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1071                                             dma->sglist,
1072                                             dma->sglen,
1073                                             saa7134_buffer_startpage(buf));
1074                 if (err)
1075                         goto oops;
1076         }
1077         buf->vb.state = STATE_PREPARED;
1078         buf->activate = buffer_activate;
1079         return 0;
1080
1081  oops:
1082         saa7134_dma_free(q,buf);
1083         return err;
1084 }
1085
1086 static int
1087 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1088 {
1089         struct saa7134_fh *fh = q->priv_data;
1090
1091         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1092         if (0 == *count)
1093                 *count = gbuffers;
1094         *count = saa7134_buffer_count(*size,*count);
1095         return 0;
1096 }
1097
1098 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1099 {
1100         struct saa7134_fh *fh = q->priv_data;
1101         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1102
1103         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1104 }
1105
1106 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1107 {
1108         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1109
1110         saa7134_dma_free(q,buf);
1111 }
1112
1113 static struct videobuf_queue_ops video_qops = {
1114         .buf_setup    = buffer_setup,
1115         .buf_prepare  = buffer_prepare,
1116         .buf_queue    = buffer_queue,
1117         .buf_release  = buffer_release,
1118 };
1119
1120 /* ------------------------------------------------------------------ */
1121
1122 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1123 {
1124         const struct v4l2_queryctrl* ctrl;
1125
1126         ctrl = ctrl_by_id(c->id);
1127         if (NULL == ctrl)
1128                 return -EINVAL;
1129         switch (c->id) {
1130         case V4L2_CID_BRIGHTNESS:
1131                 c->value = dev->ctl_bright;
1132                 break;
1133         case V4L2_CID_HUE:
1134                 c->value = dev->ctl_hue;
1135                 break;
1136         case V4L2_CID_CONTRAST:
1137                 c->value = dev->ctl_contrast;
1138                 break;
1139         case V4L2_CID_SATURATION:
1140                 c->value = dev->ctl_saturation;
1141                 break;
1142         case V4L2_CID_AUDIO_MUTE:
1143                 c->value = dev->ctl_mute;
1144                 break;
1145         case V4L2_CID_AUDIO_VOLUME:
1146                 c->value = dev->ctl_volume;
1147                 break;
1148         case V4L2_CID_PRIVATE_INVERT:
1149                 c->value = dev->ctl_invert;
1150                 break;
1151         case V4L2_CID_HFLIP:
1152                 c->value = dev->ctl_mirror;
1153                 break;
1154         case V4L2_CID_PRIVATE_Y_EVEN:
1155                 c->value = dev->ctl_y_even;
1156                 break;
1157         case V4L2_CID_PRIVATE_Y_ODD:
1158                 c->value = dev->ctl_y_odd;
1159                 break;
1160         case V4L2_CID_PRIVATE_AUTOMUTE:
1161                 c->value = dev->ctl_automute;
1162                 break;
1163         default:
1164                 return -EINVAL;
1165         }
1166         return 0;
1167 }
1168
1169 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1170                        struct v4l2_control *c)
1171 {
1172         const struct v4l2_queryctrl* ctrl;
1173         unsigned long flags;
1174         int restart_overlay = 0;
1175
1176         ctrl = ctrl_by_id(c->id);
1177         if (NULL == ctrl)
1178                 return -EINVAL;
1179         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1180         switch (ctrl->type) {
1181         case V4L2_CTRL_TYPE_BOOLEAN:
1182         case V4L2_CTRL_TYPE_MENU:
1183         case V4L2_CTRL_TYPE_INTEGER:
1184                 if (c->value < ctrl->minimum)
1185                         c->value = ctrl->minimum;
1186                 if (c->value > ctrl->maximum)
1187                         c->value = ctrl->maximum;
1188                 break;
1189         default:
1190                 /* nothing */;
1191         };
1192         switch (c->id) {
1193         case V4L2_CID_BRIGHTNESS:
1194                 dev->ctl_bright = c->value;
1195                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1196                 break;
1197         case V4L2_CID_HUE:
1198                 dev->ctl_hue = c->value;
1199                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1200                 break;
1201         case V4L2_CID_CONTRAST:
1202                 dev->ctl_contrast = c->value;
1203                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1204                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1205                 break;
1206         case V4L2_CID_SATURATION:
1207                 dev->ctl_saturation = c->value;
1208                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1209                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1210                 break;
1211         case V4L2_CID_AUDIO_MUTE:
1212                 dev->ctl_mute = c->value;
1213                 saa7134_tvaudio_setmute(dev);
1214                 break;
1215         case V4L2_CID_AUDIO_VOLUME:
1216                 dev->ctl_volume = c->value;
1217                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1218                 break;
1219         case V4L2_CID_PRIVATE_INVERT:
1220                 dev->ctl_invert = c->value;
1221                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1222                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1223                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1224                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1225                 break;
1226         case V4L2_CID_HFLIP:
1227                 dev->ctl_mirror = c->value;
1228                 restart_overlay = 1;
1229                 break;
1230         case V4L2_CID_PRIVATE_Y_EVEN:
1231                 dev->ctl_y_even = c->value;
1232                 restart_overlay = 1;
1233                 break;
1234         case V4L2_CID_PRIVATE_Y_ODD:
1235                 dev->ctl_y_odd = c->value;
1236                 restart_overlay = 1;
1237                 break;
1238         case V4L2_CID_PRIVATE_AUTOMUTE:
1239                 dev->ctl_automute = c->value;
1240                 if (dev->tda9887_conf) {
1241                         if (dev->ctl_automute)
1242                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1243                         else
1244                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1245                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1246                                                  &dev->tda9887_conf);
1247                 }
1248                 break;
1249         default:
1250                 return -EINVAL;
1251         }
1252         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1253                 spin_lock_irqsave(&dev->slock,flags);
1254                 stop_preview(dev,fh);
1255                 start_preview(dev,fh);
1256                 spin_unlock_irqrestore(&dev->slock,flags);
1257         }
1258         return 0;
1259 }
1260
1261 /* ------------------------------------------------------------------ */
1262
1263 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1264 {
1265         struct videobuf_queue* q = NULL;
1266
1267         switch (fh->type) {
1268         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1269                 q = &fh->cap;
1270                 break;
1271         case V4L2_BUF_TYPE_VBI_CAPTURE:
1272                 q = &fh->vbi;
1273                 break;
1274         default:
1275                 BUG();
1276         }
1277         return q;
1278 }
1279
1280 static int saa7134_resource(struct saa7134_fh *fh)
1281 {
1282         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1283                 return RESOURCE_VIDEO;
1284
1285         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1286                 return RESOURCE_VBI;
1287
1288         BUG();
1289         return 0;
1290 }
1291
1292 static int video_open(struct inode *inode, struct file *file)
1293 {
1294         int minor = iminor(inode);
1295         struct saa7134_dev *dev;
1296         struct saa7134_fh *fh;
1297         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1298         int radio = 0;
1299         list_for_each_entry(dev, &saa7134_devlist, devlist) {
1300                 if (dev->video_dev && (dev->video_dev->minor == minor))
1301                         goto found;
1302                 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1303                         radio = 1;
1304                         goto found;
1305                 }
1306                 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1307                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1308                         goto found;
1309                 }
1310         }
1311         return -ENODEV;
1312  found:
1313
1314         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1315                 v4l2_type_names[type]);
1316
1317         /* allocate + initialize per filehandle data */
1318         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1319         if (NULL == fh)
1320                 return -ENOMEM;
1321         file->private_data = fh;
1322         fh->dev      = dev;
1323         fh->radio    = radio;
1324         fh->type     = type;
1325         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1326         fh->width    = 720;
1327         fh->height   = 576;
1328         v4l2_prio_open(&dev->prio,&fh->prio);
1329
1330         videobuf_queue_pci_init(&fh->cap, &video_qops,
1331                             dev->pci, &dev->slock,
1332                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1333                             V4L2_FIELD_INTERLACED,
1334                             sizeof(struct saa7134_buf),
1335                             fh);
1336         videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1337                             dev->pci, &dev->slock,
1338                             V4L2_BUF_TYPE_VBI_CAPTURE,
1339                             V4L2_FIELD_SEQ_TB,
1340                             sizeof(struct saa7134_buf),
1341                             fh);
1342         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1343         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1344
1345         if (fh->radio) {
1346                 /* switch to radio mode */
1347                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1348                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1349         } else {
1350                 /* switch to video/vbi mode */
1351                 video_mux(dev,dev->ctl_input);
1352         }
1353         return 0;
1354 }
1355
1356 static ssize_t
1357 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1358 {
1359         struct saa7134_fh *fh = file->private_data;
1360
1361         switch (fh->type) {
1362         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1363                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1364                         return -EBUSY;
1365                 return videobuf_read_one(saa7134_queue(fh),
1366                                          data, count, ppos,
1367                                          file->f_flags & O_NONBLOCK);
1368         case V4L2_BUF_TYPE_VBI_CAPTURE:
1369                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1370                         return -EBUSY;
1371                 return videobuf_read_stream(saa7134_queue(fh),
1372                                             data, count, ppos, 1,
1373                                             file->f_flags & O_NONBLOCK);
1374                 break;
1375         default:
1376                 BUG();
1377                 return 0;
1378         }
1379 }
1380
1381 static unsigned int
1382 video_poll(struct file *file, struct poll_table_struct *wait)
1383 {
1384         struct saa7134_fh *fh = file->private_data;
1385         struct videobuf_buffer *buf = NULL;
1386
1387         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1388                 return videobuf_poll_stream(file, &fh->vbi, wait);
1389
1390         if (res_check(fh,RESOURCE_VIDEO)) {
1391                 if (!list_empty(&fh->cap.stream))
1392                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1393         } else {
1394                 mutex_lock(&fh->cap.lock);
1395                 if (UNSET == fh->cap.read_off) {
1396                         /* need to capture a new frame */
1397                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1398                                 mutex_unlock(&fh->cap.lock);
1399                                 return POLLERR;
1400                         }
1401                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1402                                 mutex_unlock(&fh->cap.lock);
1403                                 return POLLERR;
1404                         }
1405                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1406                         fh->cap.read_off = 0;
1407                 }
1408                 mutex_unlock(&fh->cap.lock);
1409                 buf = fh->cap.read_buf;
1410         }
1411
1412         if (!buf)
1413                 return POLLERR;
1414
1415         poll_wait(file, &buf->done, wait);
1416         if (buf->state == STATE_DONE ||
1417             buf->state == STATE_ERROR)
1418                 return POLLIN|POLLRDNORM;
1419         return 0;
1420 }
1421
1422 static int video_release(struct inode *inode, struct file *file)
1423 {
1424         struct saa7134_fh  *fh  = file->private_data;
1425         struct saa7134_dev *dev = fh->dev;
1426         unsigned long flags;
1427
1428         /* turn off overlay */
1429         if (res_check(fh, RESOURCE_OVERLAY)) {
1430                 spin_lock_irqsave(&dev->slock,flags);
1431                 stop_preview(dev,fh);
1432                 spin_unlock_irqrestore(&dev->slock,flags);
1433                 res_free(dev,fh,RESOURCE_OVERLAY);
1434         }
1435
1436         /* stop video capture */
1437         if (res_check(fh, RESOURCE_VIDEO)) {
1438                 videobuf_streamoff(&fh->cap);
1439                 res_free(dev,fh,RESOURCE_VIDEO);
1440         }
1441         if (fh->cap.read_buf) {
1442                 buffer_release(&fh->cap,fh->cap.read_buf);
1443                 kfree(fh->cap.read_buf);
1444         }
1445
1446         /* stop vbi capture */
1447         if (res_check(fh, RESOURCE_VBI)) {
1448                 videobuf_stop(&fh->vbi);
1449                 res_free(dev,fh,RESOURCE_VBI);
1450         }
1451
1452         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1453         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1454         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1455         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1456         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1457
1458         saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1459
1460         /* free stuff */
1461         videobuf_mmap_free(&fh->cap);
1462         videobuf_mmap_free(&fh->vbi);
1463         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1464         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1465
1466         v4l2_prio_close(&dev->prio,&fh->prio);
1467         file->private_data = NULL;
1468         kfree(fh);
1469         return 0;
1470 }
1471
1472 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1473 {
1474         struct saa7134_fh *fh = file->private_data;
1475
1476         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1477 }
1478
1479 /* ------------------------------------------------------------------ */
1480
1481 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1482 {
1483         struct saa7134_tvnorm *norm = dev->tvnorm;
1484
1485         f->fmt.vbi.sampling_rate = 6750000 * 4;
1486         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1487         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1488         f->fmt.vbi.offset = 64 * 4;
1489         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1490         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1491         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1492         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1493         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1494
1495 }
1496
1497 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1498                          struct v4l2_format *f)
1499 {
1500         switch (f->type) {
1501         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1502                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1503                 f->fmt.pix.width        = fh->width;
1504                 f->fmt.pix.height       = fh->height;
1505                 f->fmt.pix.field        = fh->cap.field;
1506                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1507                 f->fmt.pix.bytesperline =
1508                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1509                 f->fmt.pix.sizeimage =
1510                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1511                 return 0;
1512         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1513                 if (saa7134_no_overlay > 0) {
1514                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1515                         return -EINVAL;
1516                 }
1517                 f->fmt.win = fh->win;
1518                 return 0;
1519         case V4L2_BUF_TYPE_VBI_CAPTURE:
1520                 saa7134_vbi_fmt(dev,f);
1521                 return 0;
1522         default:
1523                 return -EINVAL;
1524         }
1525 }
1526
1527 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1528                            struct v4l2_format *f)
1529 {
1530         int err;
1531
1532         switch (f->type) {
1533         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1534         {
1535                 struct saa7134_format *fmt;
1536                 enum v4l2_field field;
1537                 unsigned int maxw, maxh;
1538
1539                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1540                 if (NULL == fmt)
1541                         return -EINVAL;
1542
1543                 field = f->fmt.pix.field;
1544                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1545                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1546
1547                 if (V4L2_FIELD_ANY == field) {
1548                         field = (f->fmt.pix.height > maxh/2)
1549                                 ? V4L2_FIELD_INTERLACED
1550                                 : V4L2_FIELD_BOTTOM;
1551                 }
1552                 switch (field) {
1553                 case V4L2_FIELD_TOP:
1554                 case V4L2_FIELD_BOTTOM:
1555                         maxh = maxh / 2;
1556                         break;
1557                 case V4L2_FIELD_INTERLACED:
1558                         break;
1559                 default:
1560                         return -EINVAL;
1561                 }
1562
1563                 f->fmt.pix.field = field;
1564                 if (f->fmt.pix.width  < 48)
1565                         f->fmt.pix.width  = 48;
1566                 if (f->fmt.pix.height < 32)
1567                         f->fmt.pix.height = 32;
1568                 if (f->fmt.pix.width > maxw)
1569                         f->fmt.pix.width = maxw;
1570                 if (f->fmt.pix.height > maxh)
1571                         f->fmt.pix.height = maxh;
1572                 f->fmt.pix.width &= ~0x03;
1573                 f->fmt.pix.bytesperline =
1574                         (f->fmt.pix.width * fmt->depth) >> 3;
1575                 f->fmt.pix.sizeimage =
1576                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1577
1578                 return 0;
1579         }
1580         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1581                 if (saa7134_no_overlay > 0) {
1582                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1583                         return -EINVAL;
1584                 }
1585                 err = verify_preview(dev,&f->fmt.win);
1586                 if (0 != err)
1587                         return err;
1588                 return 0;
1589         case V4L2_BUF_TYPE_VBI_CAPTURE:
1590                 saa7134_vbi_fmt(dev,f);
1591                 return 0;
1592         default:
1593                 return -EINVAL;
1594         }
1595 }
1596
1597 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1598                          struct v4l2_format *f)
1599 {
1600         unsigned long flags;
1601         int err;
1602
1603         switch (f->type) {
1604         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1605                 err = saa7134_try_fmt(dev,fh,f);
1606                 if (0 != err)
1607                         return err;
1608
1609                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1610                 fh->width     = f->fmt.pix.width;
1611                 fh->height    = f->fmt.pix.height;
1612                 fh->cap.field = f->fmt.pix.field;
1613                 return 0;
1614         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1615                 if (saa7134_no_overlay > 0) {
1616                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1617                         return -EINVAL;
1618                 }
1619                 err = verify_preview(dev,&f->fmt.win);
1620                 if (0 != err)
1621                         return err;
1622
1623                 mutex_lock(&dev->lock);
1624                 fh->win    = f->fmt.win;
1625                 fh->nclips = f->fmt.win.clipcount;
1626                 if (fh->nclips > 8)
1627                         fh->nclips = 8;
1628                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1629                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1630                         mutex_unlock(&dev->lock);
1631                         return -EFAULT;
1632                 }
1633
1634                 if (res_check(fh, RESOURCE_OVERLAY)) {
1635                         spin_lock_irqsave(&dev->slock,flags);
1636                         stop_preview(dev,fh);
1637                         start_preview(dev,fh);
1638                         spin_unlock_irqrestore(&dev->slock,flags);
1639                 }
1640                 mutex_unlock(&dev->lock);
1641                 return 0;
1642         case V4L2_BUF_TYPE_VBI_CAPTURE:
1643                 saa7134_vbi_fmt(dev,f);
1644                 return 0;
1645         default:
1646                 return -EINVAL;
1647         }
1648 }
1649
1650 int saa7134_common_ioctl(struct saa7134_dev *dev,
1651                          unsigned int cmd, void *arg)
1652 {
1653         int err;
1654
1655         switch (cmd) {
1656         case VIDIOC_QUERYCTRL:
1657         {
1658                 const struct v4l2_queryctrl *ctrl;
1659                 struct v4l2_queryctrl *c = arg;
1660
1661                 if ((c->id <  V4L2_CID_BASE ||
1662                      c->id >= V4L2_CID_LASTP1) &&
1663                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1664                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1665                         return -EINVAL;
1666                 ctrl = ctrl_by_id(c->id);
1667                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1668                 return 0;
1669         }
1670         case VIDIOC_G_CTRL:
1671                 return get_control(dev,arg);
1672         case VIDIOC_S_CTRL:
1673         {
1674                 mutex_lock(&dev->lock);
1675                 err = set_control(dev,NULL,arg);
1676                 mutex_unlock(&dev->lock);
1677                 return err;
1678         }
1679         /* --- input switching --------------------------------------- */
1680         case VIDIOC_ENUMINPUT:
1681         {
1682                 struct v4l2_input *i = arg;
1683                 unsigned int n;
1684
1685                 n = i->index;
1686                 if (n >= SAA7134_INPUT_MAX)
1687                         return -EINVAL;
1688                 if (NULL == card_in(dev,i->index).name)
1689                         return -EINVAL;
1690                 memset(i,0,sizeof(*i));
1691                 i->index = n;
1692                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1693                 strcpy(i->name,card_in(dev,n).name);
1694                 if (card_in(dev,n).tv)
1695                         i->type = V4L2_INPUT_TYPE_TUNER;
1696                 i->audioset = 1;
1697                 if (n == dev->ctl_input) {
1698                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1699                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1700
1701                         if (0 != (v1 & 0x40))
1702                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1703                         if (0 != (v2 & 0x40))
1704                                 i->status |= V4L2_IN_ST_NO_SYNC;
1705                         if (0 != (v2 & 0x0e))
1706                                 i->status |= V4L2_IN_ST_MACROVISION;
1707                 }
1708                 for (n = 0; n < TVNORMS; n++)
1709                         i->std |= tvnorms[n].id;
1710                 return 0;
1711         }
1712         case VIDIOC_G_INPUT:
1713         {
1714                 int *i = arg;
1715                 *i = dev->ctl_input;
1716                 return 0;
1717         }
1718         case VIDIOC_S_INPUT:
1719         {
1720                 int *i = arg;
1721
1722                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1723                         return -EINVAL;
1724                 if (NULL == card_in(dev,*i).name)
1725                         return -EINVAL;
1726                 mutex_lock(&dev->lock);
1727                 video_mux(dev,*i);
1728                 mutex_unlock(&dev->lock);
1729                 return 0;
1730         }
1731
1732         }
1733         return 0;
1734 }
1735 EXPORT_SYMBOL(saa7134_common_ioctl);
1736
1737 /*
1738  * This function is _not_ called directly, but from
1739  * video_generic_ioctl (and maybe others).  userspace
1740  * copying is done already, arg is a kernel pointer.
1741  */
1742 static int video_do_ioctl(struct inode *inode, struct file *file,
1743                           unsigned int cmd, void *arg)
1744 {
1745         struct saa7134_fh *fh = file->private_data;
1746         struct saa7134_dev *dev = fh->dev;
1747         unsigned long flags;
1748         int err;
1749
1750         if (video_debug > 1)
1751                 v4l_print_ioctl(dev->name,cmd);
1752
1753         switch (cmd) {
1754         case VIDIOC_S_CTRL:
1755         case VIDIOC_S_STD:
1756         case VIDIOC_S_INPUT:
1757         case VIDIOC_S_TUNER:
1758         case VIDIOC_S_FREQUENCY:
1759                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1760                 if (0 != err)
1761                         return err;
1762         }
1763
1764         switch (cmd) {
1765         case VIDIOC_QUERYCAP:
1766         {
1767                 struct v4l2_capability *cap = arg;
1768                 unsigned int tuner_type = dev->tuner_type;
1769
1770                 memset(cap,0,sizeof(*cap));
1771                 strcpy(cap->driver, "saa7134");
1772                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1773                         sizeof(cap->card));
1774                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1775                 cap->version = SAA7134_VERSION_CODE;
1776                 cap->capabilities =
1777                         V4L2_CAP_VIDEO_CAPTURE |
1778                         V4L2_CAP_VBI_CAPTURE |
1779                         V4L2_CAP_READWRITE |
1780                         V4L2_CAP_STREAMING |
1781                         V4L2_CAP_TUNER;
1782                 if (saa7134_no_overlay <= 0) {
1783                         cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1784                 }
1785
1786                 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1787                         cap->capabilities &= ~V4L2_CAP_TUNER;
1788
1789                 return 0;
1790         }
1791
1792         /* --- tv standards ------------------------------------------ */
1793         case VIDIOC_ENUMSTD:
1794         {
1795                 struct v4l2_standard *e = arg;
1796                 unsigned int i;
1797
1798                 i = e->index;
1799                 if (i >= TVNORMS)
1800                         return -EINVAL;
1801                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1802                                                tvnorms[e->index].name);
1803                 e->index = i;
1804                 if (err < 0)
1805                         return err;
1806                 return 0;
1807         }
1808         case VIDIOC_G_STD:
1809         {
1810                 v4l2_std_id *id = arg;
1811
1812                 *id = dev->tvnorm->id;
1813                 return 0;
1814         }
1815         case VIDIOC_S_STD:
1816         {
1817                 v4l2_std_id *id = arg;
1818                 unsigned int i;
1819                 v4l2_std_id fixup;
1820
1821                 for (i = 0; i < TVNORMS; i++)
1822                         if (*id == tvnorms[i].id)
1823                                 break;
1824                 if (i == TVNORMS)
1825                         for (i = 0; i < TVNORMS; i++)
1826                                 if (*id & tvnorms[i].id)
1827                                         break;
1828                 if (i == TVNORMS)
1829                         return -EINVAL;
1830                 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1831                         if (secam[0] == 'L' || secam[0] == 'l') {
1832                                 if (secam[1] == 'C' || secam[1] == 'c')
1833                                         fixup = V4L2_STD_SECAM_LC;
1834                                 else
1835                                         fixup = V4L2_STD_SECAM_L;
1836                         } else {
1837                                 if (secam[0] == 'D' || secam[0] == 'd')
1838                                         fixup = V4L2_STD_SECAM_DK;
1839                                 else
1840                                         fixup = V4L2_STD_SECAM;
1841                         }
1842                         for (i = 0; i < TVNORMS; i++)
1843                                 if (fixup == tvnorms[i].id)
1844                                         break;
1845                 }
1846                 mutex_lock(&dev->lock);
1847                 if (res_check(fh, RESOURCE_OVERLAY)) {
1848                         spin_lock_irqsave(&dev->slock,flags);
1849                         stop_preview(dev,fh);
1850                         spin_unlock_irqrestore(&dev->slock, flags);
1851
1852                         set_tvnorm(dev,&tvnorms[i]);
1853
1854                         spin_lock_irqsave(&dev->slock, flags);
1855                         start_preview(dev,fh);
1856                         spin_unlock_irqrestore(&dev->slock,flags);
1857                 } else
1858                         set_tvnorm(dev,&tvnorms[i]);
1859                 saa7134_tvaudio_do_scan(dev);
1860                 mutex_unlock(&dev->lock);
1861                 return 0;
1862         }
1863
1864         case VIDIOC_CROPCAP:
1865         {
1866                 struct v4l2_cropcap *cap = arg;
1867
1868                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1869                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1870                         return -EINVAL;
1871                 cap->bounds  = dev->crop_bounds;
1872                 cap->defrect = dev->crop_defrect;
1873                 cap->pixelaspect.numerator   = 1;
1874                 cap->pixelaspect.denominator = 1;
1875                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1876                         cap->pixelaspect.numerator   = 11;
1877                         cap->pixelaspect.denominator = 10;
1878                 }
1879                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1880                         cap->pixelaspect.numerator   = 54;
1881                         cap->pixelaspect.denominator = 59;
1882                 }
1883                 return 0;
1884         }
1885
1886         case VIDIOC_G_CROP:
1887         {
1888                 struct v4l2_crop * crop = arg;
1889
1890                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1891                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1892                         return -EINVAL;
1893                 crop->c = dev->crop_current;
1894                 return 0;
1895         }
1896         case VIDIOC_S_CROP:
1897         {
1898                 struct v4l2_crop *crop = arg;
1899                 struct v4l2_rect *b = &dev->crop_bounds;
1900
1901                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1902                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1903                         return -EINVAL;
1904                 if (crop->c.height < 0)
1905                         return -EINVAL;
1906                 if (crop->c.width < 0)
1907                         return -EINVAL;
1908
1909                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1910                         return -EBUSY;
1911                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1912                         return -EBUSY;
1913
1914                 if (crop->c.top < b->top)
1915                         crop->c.top = b->top;
1916                 if (crop->c.top > b->top + b->height)
1917                         crop->c.top = b->top + b->height;
1918                 if (crop->c.height > b->top - crop->c.top + b->height)
1919                         crop->c.height = b->top - crop->c.top + b->height;
1920
1921                 if (crop->c.left < b->left)
1922                         crop->c.left = b->left;
1923                 if (crop->c.left > b->left + b->width)
1924                         crop->c.left = b->left + b->width;
1925                 if (crop->c.width > b->left - crop->c.left + b->width)
1926                         crop->c.width = b->left - crop->c.left + b->width;
1927
1928                 dev->crop_current = crop->c;
1929                 return 0;
1930         }
1931
1932         /* --- tuner ioctls ------------------------------------------ */
1933         case VIDIOC_G_TUNER:
1934         {
1935                 struct v4l2_tuner *t = arg;
1936                 int n;
1937
1938                 if (0 != t->index)
1939                         return -EINVAL;
1940                 memset(t,0,sizeof(*t));
1941                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1942                         if (card_in(dev,n).tv)
1943                                 break;
1944                 if (NULL != card_in(dev,n).name) {
1945                         strcpy(t->name, "Television");
1946                         t->type = V4L2_TUNER_ANALOG_TV;
1947                         t->capability = V4L2_TUNER_CAP_NORM |
1948                                 V4L2_TUNER_CAP_STEREO |
1949                                 V4L2_TUNER_CAP_LANG1 |
1950                                 V4L2_TUNER_CAP_LANG2;
1951                         t->rangehigh = 0xffffffffUL;
1952                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1953                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1954                 }
1955                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1956                         t->signal = 0xffff;
1957                 return 0;
1958         }
1959         case VIDIOC_S_TUNER:
1960         {
1961                 struct v4l2_tuner *t = arg;
1962                 int rx,mode;
1963
1964                 mode = dev->thread.mode;
1965                 if (UNSET == mode) {
1966                         rx   = saa7134_tvaudio_getstereo(dev);
1967                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1968                 }
1969                 if (mode != t->audmode) {
1970                         dev->thread.mode = t->audmode;
1971                 }
1972                 return 0;
1973         }
1974         case VIDIOC_G_FREQUENCY:
1975         {
1976                 struct v4l2_frequency *f = arg;
1977
1978                 memset(f,0,sizeof(*f));
1979                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1980                 f->frequency = dev->ctl_freq;
1981                 return 0;
1982         }
1983         case VIDIOC_S_FREQUENCY:
1984         {
1985                 struct v4l2_frequency *f = arg;
1986
1987                 if (0 != f->tuner)
1988                         return -EINVAL;
1989                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1990                         return -EINVAL;
1991                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1992                         return -EINVAL;
1993                 mutex_lock(&dev->lock);
1994                 dev->ctl_freq = f->frequency;
1995
1996                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1997
1998                 saa7134_tvaudio_do_scan(dev);
1999                 mutex_unlock(&dev->lock);
2000                 return 0;
2001         }
2002
2003         /* --- control ioctls ---------------------------------------- */
2004         case VIDIOC_ENUMINPUT:
2005         case VIDIOC_G_INPUT:
2006         case VIDIOC_S_INPUT:
2007         case VIDIOC_QUERYCTRL:
2008         case VIDIOC_G_CTRL:
2009         case VIDIOC_S_CTRL:
2010                 return saa7134_common_ioctl(dev, cmd, arg);
2011
2012         case VIDIOC_G_AUDIO:
2013         {
2014                 struct v4l2_audio *a = arg;
2015
2016                 memset(a,0,sizeof(*a));
2017                 strcpy(a->name,"audio");
2018                 return 0;
2019         }
2020         case VIDIOC_S_AUDIO:
2021                 return 0;
2022         case VIDIOC_G_PARM:
2023         {
2024                 struct v4l2_captureparm *parm = arg;
2025                 memset(parm,0,sizeof(*parm));
2026                 return 0;
2027         }
2028
2029         case VIDIOC_G_PRIORITY:
2030         {
2031                 enum v4l2_priority *p = arg;
2032
2033                 *p = v4l2_prio_max(&dev->prio);
2034                 return 0;
2035         }
2036         case VIDIOC_S_PRIORITY:
2037         {
2038                 enum v4l2_priority *prio = arg;
2039
2040                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2041         }
2042
2043         /* --- preview ioctls ---------------------------------------- */
2044         case VIDIOC_ENUM_FMT:
2045         {
2046                 struct v4l2_fmtdesc *f = arg;
2047                 enum v4l2_buf_type type;
2048                 unsigned int index;
2049
2050                 index = f->index;
2051                 type  = f->type;
2052                 switch (type) {
2053                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2054                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2055                         if (saa7134_no_overlay > 0) {
2056                                 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2057                                 return -EINVAL;
2058                         }
2059                         if (index >= FORMATS)
2060                                 return -EINVAL;
2061                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2062                             formats[index].planar)
2063                                 return -EINVAL;
2064                         memset(f,0,sizeof(*f));
2065                         f->index = index;
2066                         f->type  = type;
2067                         strlcpy(f->description,formats[index].name,sizeof(f->description));
2068                         f->pixelformat = formats[index].fourcc;
2069                         break;
2070                 case V4L2_BUF_TYPE_VBI_CAPTURE:
2071                         if (0 != index)
2072                                 return -EINVAL;
2073                         memset(f,0,sizeof(*f));
2074                         f->index = index;
2075                         f->type  = type;
2076                         f->pixelformat = V4L2_PIX_FMT_GREY;
2077                         strcpy(f->description,"vbi data");
2078                         break;
2079                 default:
2080                         return -EINVAL;
2081                 }
2082                 return 0;
2083         }
2084         case VIDIOC_G_FBUF:
2085         {
2086                 struct v4l2_framebuffer *fb = arg;
2087
2088                 *fb = dev->ovbuf;
2089                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2090                 return 0;
2091         }
2092         case VIDIOC_S_FBUF:
2093         {
2094                 struct v4l2_framebuffer *fb = arg;
2095                 struct saa7134_format *fmt;
2096
2097                 if(!capable(CAP_SYS_ADMIN) &&
2098                    !capable(CAP_SYS_RAWIO))
2099                         return -EPERM;
2100
2101                 /* check args */
2102                 fmt = format_by_fourcc(fb->fmt.pixelformat);
2103                 if (NULL == fmt)
2104                         return -EINVAL;
2105
2106                 /* ok, accept it */
2107                 dev->ovbuf = *fb;
2108                 dev->ovfmt = fmt;
2109                 if (0 == dev->ovbuf.fmt.bytesperline)
2110                         dev->ovbuf.fmt.bytesperline =
2111                                 dev->ovbuf.fmt.width*fmt->depth/8;
2112                 return 0;
2113         }
2114         case VIDIOC_OVERLAY:
2115         {
2116                 int *on = arg;
2117
2118                 if (*on) {
2119                         if (saa7134_no_overlay > 0) {
2120                                 printk ("no_overlay\n");
2121                                 return -EINVAL;
2122                         }
2123
2124                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
2125                                 return -EBUSY;
2126                         spin_lock_irqsave(&dev->slock,flags);
2127                         start_preview(dev,fh);
2128                         spin_unlock_irqrestore(&dev->slock,flags);
2129                 }
2130                 if (!*on) {
2131                         if (!res_check(fh, RESOURCE_OVERLAY))
2132                                 return -EINVAL;
2133                         spin_lock_irqsave(&dev->slock,flags);
2134                         stop_preview(dev,fh);
2135                         spin_unlock_irqrestore(&dev->slock,flags);
2136                         res_free(dev,fh,RESOURCE_OVERLAY);
2137                 }
2138                 return 0;
2139         }
2140
2141         /* --- capture ioctls ---------------------------------------- */
2142         case VIDIOC_G_FMT:
2143         {
2144                 struct v4l2_format *f = arg;
2145                 return saa7134_g_fmt(dev,fh,f);
2146         }
2147         case VIDIOC_S_FMT:
2148         {
2149                 struct v4l2_format *f = arg;
2150                 return saa7134_s_fmt(dev,fh,f);
2151         }
2152         case VIDIOC_TRY_FMT:
2153         {
2154                 struct v4l2_format *f = arg;
2155                 return saa7134_try_fmt(dev,fh,f);
2156         }
2157 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2158         case VIDIOCGMBUF:
2159                 return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers);
2160 #endif
2161         case VIDIOC_REQBUFS:
2162                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2163
2164         case VIDIOC_QUERYBUF:
2165                 return videobuf_querybuf(saa7134_queue(fh),arg);
2166
2167         case VIDIOC_QBUF:
2168                 return videobuf_qbuf(saa7134_queue(fh),arg);
2169
2170         case VIDIOC_DQBUF:
2171                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2172                                       file->f_flags & O_NONBLOCK);
2173
2174         case VIDIOC_STREAMON:
2175         {
2176                 int res = saa7134_resource(fh);
2177
2178                 if (!res_get(dev,fh,res))
2179                         return -EBUSY;
2180                 return videobuf_streamon(saa7134_queue(fh));
2181         }
2182         case VIDIOC_STREAMOFF:
2183         {
2184                 int res = saa7134_resource(fh);
2185
2186                 err = videobuf_streamoff(saa7134_queue(fh));
2187                 if (err < 0)
2188                         return err;
2189                 res_free(dev,fh,res);
2190                 return 0;
2191         }
2192
2193         default:
2194                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2195                                                   video_do_ioctl);
2196         }
2197         return 0;
2198 }
2199
2200 static int video_ioctl(struct inode *inode, struct file *file,
2201                        unsigned int cmd, unsigned long arg)
2202 {
2203         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2204 }
2205
2206 static int radio_do_ioctl(struct inode *inode, struct file *file,
2207                           unsigned int cmd, void *arg)
2208 {
2209         struct saa7134_fh *fh = file->private_data;
2210         struct saa7134_dev *dev = fh->dev;
2211
2212         if (video_debug > 1)
2213                 v4l_print_ioctl(dev->name,cmd);
2214         switch (cmd) {
2215         case VIDIOC_QUERYCAP:
2216         {
2217                 struct v4l2_capability *cap = arg;
2218
2219                 memset(cap,0,sizeof(*cap));
2220                 strcpy(cap->driver, "saa7134");
2221                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2222                         sizeof(cap->card));
2223                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2224                 cap->version = SAA7134_VERSION_CODE;
2225                 cap->capabilities = V4L2_CAP_TUNER;
2226                 return 0;
2227         }
2228         case VIDIOC_G_TUNER:
2229         {
2230                 struct v4l2_tuner *t = arg;
2231
2232                 if (0 != t->index)
2233                         return -EINVAL;
2234
2235                 memset(t,0,sizeof(*t));
2236                 strcpy(t->name, "Radio");
2237                 t->type = V4L2_TUNER_RADIO;
2238
2239                 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2240                 if (dev->input->amux == TV) {
2241                         t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2242                         t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2243                                         V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2244                 }
2245                 return 0;
2246         }
2247         case VIDIOC_S_TUNER:
2248         {
2249                 struct v4l2_tuner *t = arg;
2250
2251                 if (0 != t->index)
2252                         return -EINVAL;
2253
2254                 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2255
2256                 return 0;
2257         }
2258         case VIDIOC_ENUMINPUT:
2259         {
2260                 struct v4l2_input *i = arg;
2261
2262                 if (i->index != 0)
2263                         return -EINVAL;
2264                 strcpy(i->name,"Radio");
2265                 i->type = V4L2_INPUT_TYPE_TUNER;
2266                 return 0;
2267         }
2268         case VIDIOC_G_INPUT:
2269         {
2270                 int *i = arg;
2271                 *i = 0;
2272                 return 0;
2273         }
2274         case VIDIOC_G_AUDIO:
2275         {
2276                 struct v4l2_audio *a = arg;
2277
2278                 memset(a,0,sizeof(*a));
2279                 strcpy(a->name,"Radio");
2280                 return 0;
2281         }
2282         case VIDIOC_G_STD:
2283         {
2284                 v4l2_std_id *id = arg;
2285                 *id = 0;
2286                 return 0;
2287         }
2288         case VIDIOC_S_AUDIO:
2289         case VIDIOC_S_INPUT:
2290         case VIDIOC_S_STD:
2291                 return 0;
2292
2293         case VIDIOC_QUERYCTRL:
2294         {
2295                 const struct v4l2_queryctrl *ctrl;
2296                 struct v4l2_queryctrl *c = arg;
2297
2298                 if (c->id <  V4L2_CID_BASE ||
2299                     c->id >= V4L2_CID_LASTP1)
2300                         return -EINVAL;
2301                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2302                         ctrl = ctrl_by_id(c->id);
2303                         *c = *ctrl;
2304                 } else
2305                         *c = no_ctrl;
2306                 return 0;
2307         }
2308
2309         case VIDIOC_G_CTRL:
2310         case VIDIOC_S_CTRL:
2311         case VIDIOC_G_FREQUENCY:
2312         case VIDIOC_S_FREQUENCY:
2313                 return video_do_ioctl(inode,file,cmd,arg);
2314
2315         default:
2316                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2317                                                   radio_do_ioctl);
2318         }
2319         return 0;
2320 }
2321
2322 static int radio_ioctl(struct inode *inode, struct file *file,
2323                        unsigned int cmd, unsigned long arg)
2324 {
2325         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2326 }
2327
2328 static const struct file_operations video_fops =
2329 {
2330         .owner    = THIS_MODULE,
2331         .open     = video_open,
2332         .release  = video_release,
2333         .read     = video_read,
2334         .poll     = video_poll,
2335         .mmap     = video_mmap,
2336         .ioctl    = video_ioctl,
2337         .compat_ioctl   = v4l_compat_ioctl32,
2338         .llseek   = no_llseek,
2339 };
2340
2341 static const struct file_operations radio_fops =
2342 {
2343         .owner    = THIS_MODULE,
2344         .open     = video_open,
2345         .release  = video_release,
2346         .ioctl    = radio_ioctl,
2347         .compat_ioctl   = v4l_compat_ioctl32,
2348         .llseek   = no_llseek,
2349 };
2350
2351 /* ----------------------------------------------------------- */
2352 /* exported stuff                                              */
2353
2354 struct video_device saa7134_video_template =
2355 {
2356         .name          = "saa7134-video",
2357         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
2358                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2359         .fops          = &video_fops,
2360         .minor         = -1,
2361 };
2362
2363 struct video_device saa7134_vbi_template =
2364 {
2365         .name          = "saa7134-vbi",
2366         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2367         .fops          = &video_fops,
2368         .minor         = -1,
2369 };
2370
2371 struct video_device saa7134_radio_template =
2372 {
2373         .name          = "saa7134-radio",
2374         .type          = VID_TYPE_TUNER,
2375         .fops          = &radio_fops,
2376         .minor         = -1,
2377 };
2378
2379 int saa7134_video_init1(struct saa7134_dev *dev)
2380 {
2381         /* sanitycheck insmod options */
2382         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2383                 gbuffers = 2;
2384         if (gbufsize < 0 || gbufsize > gbufsize_max)
2385                 gbufsize = gbufsize_max;
2386         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2387
2388         /* put some sensible defaults into the data structures ... */
2389         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2390         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2391         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2392         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2393         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2394         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2395         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2396         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2397
2398         if (dev->tda9887_conf && dev->ctl_automute)
2399                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2400         dev->automute       = 0;
2401
2402         INIT_LIST_HEAD(&dev->video_q.queue);
2403         init_timer(&dev->video_q.timeout);
2404         dev->video_q.timeout.function = saa7134_buffer_timeout;
2405         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2406         dev->video_q.dev              = dev;
2407
2408         if (saa7134_boards[dev->board].video_out)
2409                 saa7134_videoport_init(dev);
2410
2411         return 0;
2412 }
2413
2414 int saa7134_videoport_init(struct saa7134_dev *dev)
2415 {
2416         /* enable video output */
2417         int vo = saa7134_boards[dev->board].video_out;
2418         int video_reg;
2419         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2420         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2421         video_reg = video_out[vo][1];
2422         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2423                 video_reg &= ~VP_T_CODE_P_INVERTED;
2424         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2425         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2426         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2427         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2428         video_reg = video_out[vo][5];
2429         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2430                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2431         if (vid_port_opts & SET_CLOCK_INVERTED)
2432                 video_reg |= VP_CLK_CTRL1_INVERTED;
2433         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2434         video_reg = video_out[vo][6];
2435         if (vid_port_opts & SET_VSYNC_OFF) {
2436                 video_reg &= ~VP_VS_TYPE_MASK;
2437                 video_reg |= VP_VS_TYPE_OFF;
2438         }
2439         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2440         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2441         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2442
2443         return 0;
2444 }
2445
2446 int saa7134_video_init2(struct saa7134_dev *dev)
2447 {
2448         /* init video hw */
2449         set_tvnorm(dev,&tvnorms[0]);
2450         video_mux(dev,0);
2451         saa7134_tvaudio_setmute(dev);
2452         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2453         return 0;
2454 }
2455
2456 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2457 {
2458         static const char *st[] = {
2459                 "(no signal)", "NTSC", "PAL", "SECAM" };
2460         u32 st1,st2;
2461
2462         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2463         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2464         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2465                 (st1 & 0x40) ? "not locked" : "locked",
2466                 (st2 & 0x40) ? "no"         : "yes",
2467                 st[st1 & 0x03]);
2468         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2469
2470         if (dev->nosignal) {
2471                 /* no video signal -> mute audio */
2472                 if (dev->ctl_automute)
2473                         dev->automute = 1;
2474                 saa7134_tvaudio_setmute(dev);
2475         } else {
2476                 /* wake up tvaudio audio carrier scan thread */
2477                 saa7134_tvaudio_do_scan(dev);
2478         }
2479
2480         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2481                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2482         else
2483                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2484
2485         if (dev->mops && dev->mops->signal_change)
2486                 dev->mops->signal_change(dev);
2487 }
2488
2489
2490 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2491 {
2492         enum v4l2_field field;
2493
2494         spin_lock(&dev->slock);
2495         if (dev->video_q.curr) {
2496                 dev->video_fieldcount++;
2497                 field = dev->video_q.curr->vb.field;
2498                 if (V4L2_FIELD_HAS_BOTH(field)) {
2499                         /* make sure we have seen both fields */
2500                         if ((status & 0x10) == 0x00) {
2501                                 dev->video_q.curr->top_seen = 1;
2502                                 goto done;
2503                         }
2504                         if (!dev->video_q.curr->top_seen)
2505                                 goto done;
2506                 } else if (field == V4L2_FIELD_TOP) {
2507                         if ((status & 0x10) != 0x10)
2508                                 goto done;
2509                 } else if (field == V4L2_FIELD_BOTTOM) {
2510                         if ((status & 0x10) != 0x00)
2511                                 goto done;
2512                 }
2513                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2514                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2515         }
2516         saa7134_buffer_next(dev,&dev->video_q);
2517
2518  done:
2519         spin_unlock(&dev->slock);
2520 }
2521
2522 /* ----------------------------------------------------------- */
2523 /*
2524  * Local variables:
2525  * c-basic-offset: 8
2526  * End:
2527  */