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 = 1;
  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 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 544 {
 545         int luma_control,sync_control,mux;
 546
 547         dprintk("set tv norm = %s\n",norm->name);
 548         dev->tvnorm = norm;
 549
 550         mux = card_in(dev,dev->ctl_input).vmux;
 551         luma_control = norm->luma_control;
 552         sync_control = norm->sync_control;
 553
 554         if (mux > 5)
 555                 luma_control |= 0x80; /* svideo */
 556         if (noninterlaced || dev->nosignal)
 557                 sync_control |= 0x20;
 558
 559         /* setup cropping */
 560         dev->crop_bounds.left    = norm->h_start;
 561         dev->crop_defrect.left   = norm->h_start;
 562         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 563         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 564
 565         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 566         dev->crop_defrect.top    = norm->video_v_start*2;
 567         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 568                 - dev->crop_bounds.top;
 569         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 570
 571         dev->crop_current = dev->crop_defrect;
 572
 573         /* setup video decoder */
 574         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 575         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 576         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 577
 578         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 579         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 580         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 581         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 582         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 583
 584         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 585         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 586         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 587
 588         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 589                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 590
 591         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 592                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 593
 594         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 595         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 596         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 597
 598         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 599         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 600
 601         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 602         saa_writeb(SAA7134_VGATE_START,           0x11);
 603         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 604         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 605         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 606         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 607
 608         /* only tell the tuner if this is a tv input */
 609         if (card_in(dev,dev->ctl_input).tv) {
 610                 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
 611                                 && ((card(dev).tuner_config == 1)
 612                                 ||  (card(dev).tuner_config == 2)))
 613                         saa7134_set_gpio(dev, 22, 5);
 614                 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
 615         }
 616 }
 617
 618 static void video_mux(struct saa7134_dev *dev, int input)
 619 {
 620         dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
 621         dev->ctl_input = input;
 622         set_tvnorm(dev,dev->tvnorm);
 623         saa7134_tvaudio_setinput(dev,&card_in(dev,input));
 624 }
 625
 626 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 627 {
 628         static const struct {
 629                 int xpsc;
 630                 int xacl;
 631                 int xc2_1;
 632                 int xdcg;
 633                 int vpfy;
 634         } vals[] = {
 635                 /* XPSC XACL XC2_1 XDCG VPFY */
 636                 {    1,   0,    0,    0,   0 },
 637                 {    2,   2,    1,    2,   2 },
 638                 {    3,   4,    1,    3,   2 },
 639                 {    4,   8,    1,    4,   2 },
 640                 {    5,   8,    1,    4,   2 },
 641                 {    6,   8,    1,    4,   3 },
 642                 {    7,   8,    1,    4,   3 },
 643                 {    8,  15,    0,    4,   3 },
 644                 {    9,  15,    0,    4,   3 },
 645                 {   10,  16,    1,    5,   3 },
 646         };
 647         static const int count = ARRAY_SIZE(vals);
 648         int i;
 649
 650         for (i = 0; i < count; i++)
 651                 if (vals[i].xpsc == prescale)
 652                         break;
 653         if (i == count)
 654                 return;
 655
 656         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 657         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 658         saa_writeb(SAA7134_LEVEL_CTRL(task),
 659                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 660         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 661                    (vals[i].vpfy << 2) | vals[i].vpfy);
 662 }
 663
 664 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 665 {
 666         int val,mirror;
 667
 668         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 669         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 670
 671         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 672         if (yscale < 2048) {
 673                 /* LPI */
 674                 dprintk("yscale LPI yscale=%d\n",yscale);
 675                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 676                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 677                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 678         } else {
 679                 /* ACM */
 680                 val = 0x40 * 1024 / yscale;
 681                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 682                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 683                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 684                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 685         }
 686         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 687 }
 688
 689 static void set_size(struct saa7134_dev *dev, int task,
 690                      int width, int height, int interlace)
 691 {
 692         int prescale,xscale,yscale,y_even,y_odd;
 693         int h_start, h_stop, v_start, v_stop;
 694         int div = interlace ? 2 : 1;
 695
 696         /* setup video scaler */
 697         h_start = dev->crop_current.left;
 698         v_start = dev->crop_current.top/2;
 699         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 700         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 701
 702         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 703         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 704         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 705         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 706         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 707         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 708         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 709         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 710
 711         prescale = dev->crop_current.width / width;
 712         if (0 == prescale)
 713                 prescale = 1;
 714         xscale = 1024 * dev->crop_current.width / prescale / width;
 715         yscale = 512 * div * dev->crop_current.height / height;
 716         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 717         set_h_prescale(dev,task,prescale);
 718         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 719         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 720         set_v_scale(dev,task,yscale);
 721
 722         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 723         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 724         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 725         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 726
 727         /* deinterlace y offsets */
 728         y_odd  = dev->ctl_y_odd;
 729         y_even = dev->ctl_y_even;
 730         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 731         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 732         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 733         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 734 }
 735
 736 /* ------------------------------------------------------------------ */
 737
 738 struct cliplist {
 739         __u16 position;
 740         __u8  enable;
 741         __u8  disable;
 742 };
 743
 744 static void set_cliplist(struct saa7134_dev *dev, int reg,
 745                         struct cliplist *cl, int entries, char *name)
 746 {
 747         __u8 winbits = 0;
 748         int i;
 749
 750         for (i = 0; i < entries; i++) {
 751                 winbits |= cl[i].enable;
 752                 winbits &= ~cl[i].disable;
 753                 if (i < 15 && cl[i].position == cl[i+1].position)
 754                         continue;
 755                 saa_writeb(reg + 0, winbits);
 756                 saa_writeb(reg + 2, cl[i].position & 0xff);
 757                 saa_writeb(reg + 3, cl[i].position >> 8);
 758                 dprintk("clip: %s winbits=%02x pos=%d\n",
 759                         name,winbits,cl[i].position);
 760                 reg += 8;
 761         }
 762         for (; reg < 0x400; reg += 8) {
 763                 saa_writeb(reg+ 0, 0);
 764                 saa_writeb(reg + 1, 0);
 765                 saa_writeb(reg + 2, 0);
 766                 saa_writeb(reg + 3, 0);
 767         }
 768 }
 769
 770 static int clip_range(int val)
 771 {
 772         if (val < 0)
 773                 val = 0;
 774         return val;
 775 }
 776
 777 /* Sort into smallest position first order */
 778 static int cliplist_cmp(const void *a, const void *b)
 779 {
 780         const struct cliplist *cla = a;
 781         const struct cliplist *clb = b;
 782         if (cla->position < clb->position)
 783                 return -1;
 784         if (cla->position > clb->position)
 785                 return 1;
 786         return 0;
 787 }
 788
 789 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 790                           int nclips, int interlace)
 791 {
 792         struct cliplist col[16], row[16];
 793         int cols = 0, rows = 0, i;
 794         int div = interlace ? 2 : 1;
 795
 796         memset(col, 0, sizeof(col));
 797         memset(row, 0, sizeof(row));
 798         for (i = 0; i < nclips && i < 8; i++) {
 799                 col[cols].position = clip_range(clips[i].c.left);
 800                 col[cols].enable   = (1 << i);
 801                 cols++;
 802                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 803                 col[cols].disable  = (1 << i);
 804                 cols++;
 805                 row[rows].position = clip_range(clips[i].c.top / div);
 806                 row[rows].enable   = (1 << i);
 807                 rows++;
 808                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 809                                                 / div);
 810                 row[rows].disable  = (1 << i);
 811                 rows++;
 812         }
 813         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 814         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 815         set_cliplist(dev,0x380,col,cols,"cols");
 816         set_cliplist(dev,0x384,row,rows,"rows");
 817         return 0;
 818 }
 819
 820 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 821 {
 822         enum v4l2_field field;
 823         int maxw, maxh;
 824
 825         if (NULL == dev->ovbuf.base)
 826                 return -EINVAL;
 827         if (NULL == dev->ovfmt)
 828                 return -EINVAL;
 829         if (win->w.width < 48 || win->w.height <  32)
 830                 return -EINVAL;
 831         if (win->clipcount > 2048)
 832                 return -EINVAL;
 833
 834         field = win->field;
 835         maxw  = dev->crop_current.width;
 836         maxh  = dev->crop_current.height;
 837
 838         if (V4L2_FIELD_ANY == field) {
 839                 field = (win->w.height > maxh/2)
 840                         ? V4L2_FIELD_INTERLACED
 841                         : V4L2_FIELD_TOP;
 842         }
 843         switch (field) {
 844         case V4L2_FIELD_TOP:
 845         case V4L2_FIELD_BOTTOM:
 846                 maxh = maxh / 2;
 847                 break;
 848         case V4L2_FIELD_INTERLACED:
 849                 break;
 850         default:
 851                 return -EINVAL;
 852         }
 853
 854         win->field = field;
 855         if (win->w.width > maxw)
 856                 win->w.width = maxw;
 857         if (win->w.height > maxh)
 858                 win->w.height = maxh;
 859         return 0;
 860 }
 861
 862 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 863 {
 864         unsigned long base,control,bpl;
 865         int err;
 866
 867         err = verify_preview(dev,&fh->win);
 868         if (0 != err)
 869                 return err;
 870
 871         dev->ovfield = fh->win.field;
 872         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 873                 fh->win.w.width,fh->win.w.height,
 874                 fh->win.w.left,fh->win.w.top,
 875                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 876
 877         /* setup window + clipping */
 878         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 879                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 880         setup_clipping(dev,fh->clips,fh->nclips,
 881                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 882         if (dev->ovfmt->yuv)
 883                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 884         else
 885                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 886         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 887
 888         /* dma: setup channel 1 (= Video Task B) */
 889         base  = (unsigned long)dev->ovbuf.base;
 890         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 891         base += dev->ovfmt->depth/8         * fh->win.w.left;
 892         bpl   = dev->ovbuf.fmt.bytesperline;
 893         control = SAA7134_RS_CONTROL_BURST_16;
 894         if (dev->ovfmt->bswap)
 895                 control |= SAA7134_RS_CONTROL_BSWAP;
 896         if (dev->ovfmt->wswap)
 897                 control |= SAA7134_RS_CONTROL_WSWAP;
 898         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 899                 saa_writel(SAA7134_RS_BA1(1),base);
 900                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 901                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 902                 saa_writel(SAA7134_RS_CONTROL(1),control);
 903         } else {
 904                 saa_writel(SAA7134_RS_BA1(1),base);
 905                 saa_writel(SAA7134_RS_BA2(1),base);
 906                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 907                 saa_writel(SAA7134_RS_CONTROL(1),control);
 908         }
 909
 910         /* start dma */
 911         dev->ovenable = 1;
 912         saa7134_set_dmabits(dev);
 913
 914         return 0;
 915 }
 916
 917 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 918 {
 919         dev->ovenable = 0;
 920         saa7134_set_dmabits(dev);
 921         return 0;
 922 }
 923
 924 /* ------------------------------------------------------------------ */
 925
 926 static int buffer_activate(struct saa7134_dev *dev,
 927                            struct saa7134_buf *buf,
 928                            struct saa7134_buf *next)
 929 {
 930         unsigned long base,control,bpl;
 931         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 932
 933         dprintk("buffer_activate buf=%p\n",buf);
 934         buf->vb.state = STATE_ACTIVE;
 935         buf->top_seen = 0;
 936
 937         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 938                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 939         if (buf->fmt->yuv)
 940                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 941         else
 942                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 943         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 944
 945         /* DMA: setup channel 0 (= Video Task A0) */
 946         base  = saa7134_buffer_base(buf);
 947         if (buf->fmt->planar)
 948                 bpl = buf->vb.width;
 949         else
 950                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 951         control = SAA7134_RS_CONTROL_BURST_16 |
 952                 SAA7134_RS_CONTROL_ME |
 953                 (buf->pt->dma >> 12);
 954         if (buf->fmt->bswap)
 955                 control |= SAA7134_RS_CONTROL_BSWAP;
 956         if (buf->fmt->wswap)
 957                 control |= SAA7134_RS_CONTROL_WSWAP;
 958         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 959                 /* interlaced */
 960                 saa_writel(SAA7134_RS_BA1(0),base);
 961                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 962                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 963         } else {
 964                 /* non-interlaced */
 965                 saa_writel(SAA7134_RS_BA1(0),base);
 966                 saa_writel(SAA7134_RS_BA2(0),base);
 967                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 968         }
 969         saa_writel(SAA7134_RS_CONTROL(0),control);
 970
 971         if (buf->fmt->planar) {
 972                 /* DMA: setup channel 4+5 (= planar task A) */
 973                 bpl_uv   = bpl >> buf->fmt->hshift;
 974                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 975                 base2    = base + bpl * buf->vb.height;
 976                 base3    = base2 + bpl_uv * lines_uv;
 977                 if (buf->fmt->uvswap)
 978                         tmp = base2, base2 = base3, base3 = tmp;
 979                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 980                         bpl_uv,lines_uv,base2,base3);
 981                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 982                         /* interlaced */
 983                         saa_writel(SAA7134_RS_BA1(4),base2);
 984                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 985                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 986                         saa_writel(SAA7134_RS_BA1(5),base3);
 987                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 988                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 989                 } else {
 990                         /* non-interlaced */
 991                         saa_writel(SAA7134_RS_BA1(4),base2);
 992                         saa_writel(SAA7134_RS_BA2(4),base2);
 993                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 994                         saa_writel(SAA7134_RS_BA1(5),base3);
 995                         saa_writel(SAA7134_RS_BA2(5),base3);
 996                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 997                 }
 998                 saa_writel(SAA7134_RS_CONTROL(4),control);
 999                 saa_writel(SAA7134_RS_CONTROL(5),control);
1000         }
1001
1002         /* start DMA */
1003         saa7134_set_dmabits(dev);
1004         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1005         return 0;
1006 }
1007
1008 static int buffer_prepare(struct videobuf_queue *q,
1009                           struct videobuf_buffer *vb,
1010                           enum v4l2_field field)
1011 {
1012         struct saa7134_fh *fh = q->priv_data;
1013         struct saa7134_dev *dev = fh->dev;
1014         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1015         unsigned int size;
1016         int err;
1017
1018         /* sanity checks */
1019         if (NULL == fh->fmt)
1020                 return -EINVAL;
1021         if (fh->width    < 48 ||
1022             fh->height   < 32 ||
1023             fh->width/4  > dev->crop_current.width  ||
1024             fh->height/4 > dev->crop_current.height ||
1025             fh->width    > dev->crop_bounds.width  ||
1026             fh->height   > dev->crop_bounds.height)
1027                 return -EINVAL;
1028         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1029         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1030                 return -EINVAL;
1031
1032         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1033                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1034                 fh->fmt->name);
1035         if (buf->vb.width  != fh->width  ||
1036             buf->vb.height != fh->height ||
1037             buf->vb.size   != size       ||
1038             buf->vb.field  != field      ||
1039             buf->fmt       != fh->fmt) {
1040                 saa7134_dma_free(q,buf);
1041         }
1042
1043         if (STATE_NEEDS_INIT == buf->vb.state) {
1044                 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1045
1046                 buf->vb.width  = fh->width;
1047                 buf->vb.height = fh->height;
1048                 buf->vb.size   = size;
1049                 buf->vb.field  = field;
1050                 buf->fmt       = fh->fmt;
1051                 buf->pt        = &fh->pt_cap;
1052
1053                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1054                 if (err)
1055                         goto oops;
1056                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1057                                             dma->sglist,
1058                                             dma->sglen,
1059                                             saa7134_buffer_startpage(buf));
1060                 if (err)
1061                         goto oops;
1062         }
1063         buf->vb.state = STATE_PREPARED;
1064         buf->activate = buffer_activate;
1065         return 0;
1066
1067  oops:
1068         saa7134_dma_free(q,buf);
1069         return err;
1070 }
1071
1072 static int
1073 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1074 {
1075         struct saa7134_fh *fh = q->priv_data;
1076
1077         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1078         if (0 == *count)
1079                 *count = gbuffers;
1080         *count = saa7134_buffer_count(*size,*count);
1081         return 0;
1082 }
1083
1084 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1085 {
1086         struct saa7134_fh *fh = q->priv_data;
1087         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1088
1089         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1090 }
1091
1092 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1093 {
1094         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1095
1096         saa7134_dma_free(q,buf);
1097 }
1098
1099 static struct videobuf_queue_ops video_qops = {
1100         .buf_setup    = buffer_setup,
1101         .buf_prepare  = buffer_prepare,
1102         .buf_queue    = buffer_queue,
1103         .buf_release  = buffer_release,
1104 };
1105
1106 /* ------------------------------------------------------------------ */
1107
1108 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1109 {
1110         const struct v4l2_queryctrl* ctrl;
1111
1112         ctrl = ctrl_by_id(c->id);
1113         if (NULL == ctrl)
1114                 return -EINVAL;
1115         switch (c->id) {
1116         case V4L2_CID_BRIGHTNESS:
1117                 c->value = dev->ctl_bright;
1118                 break;
1119         case V4L2_CID_HUE:
1120                 c->value = dev->ctl_hue;
1121                 break;
1122         case V4L2_CID_CONTRAST:
1123                 c->value = dev->ctl_contrast;
1124                 break;
1125         case V4L2_CID_SATURATION:
1126                 c->value = dev->ctl_saturation;
1127                 break;
1128         case V4L2_CID_AUDIO_MUTE:
1129                 c->value = dev->ctl_mute;
1130                 break;
1131         case V4L2_CID_AUDIO_VOLUME:
1132                 c->value = dev->ctl_volume;
1133                 break;
1134         case V4L2_CID_PRIVATE_INVERT:
1135                 c->value = dev->ctl_invert;
1136                 break;
1137         case V4L2_CID_HFLIP:
1138                 c->value = dev->ctl_mirror;
1139                 break;
1140         case V4L2_CID_PRIVATE_Y_EVEN:
1141                 c->value = dev->ctl_y_even;
1142                 break;
1143         case V4L2_CID_PRIVATE_Y_ODD:
1144                 c->value = dev->ctl_y_odd;
1145                 break;
1146         case V4L2_CID_PRIVATE_AUTOMUTE:
1147                 c->value = dev->ctl_automute;
1148                 break;
1149         default:
1150                 return -EINVAL;
1151         }
1152         return 0;
1153 }
1154
1155 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1156                        struct v4l2_control *c)
1157 {
1158         const struct v4l2_queryctrl* ctrl;
1159         unsigned long flags;
1160         int restart_overlay = 0;
1161
1162         ctrl = ctrl_by_id(c->id);
1163         if (NULL == ctrl)
1164                 return -EINVAL;
1165         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1166         switch (ctrl->type) {
1167         case V4L2_CTRL_TYPE_BOOLEAN:
1168         case V4L2_CTRL_TYPE_MENU:
1169         case V4L2_CTRL_TYPE_INTEGER:
1170                 if (c->value < ctrl->minimum)
1171                         c->value = ctrl->minimum;
1172                 if (c->value > ctrl->maximum)
1173                         c->value = ctrl->maximum;
1174                 break;
1175         default:
1176                 /* nothing */;
1177         };
1178         switch (c->id) {
1179         case V4L2_CID_BRIGHTNESS:
1180                 dev->ctl_bright = c->value;
1181                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1182                 break;
1183         case V4L2_CID_HUE:
1184                 dev->ctl_hue = c->value;
1185                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1186                 break;
1187         case V4L2_CID_CONTRAST:
1188                 dev->ctl_contrast = c->value;
1189                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1190                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1191                 break;
1192         case V4L2_CID_SATURATION:
1193                 dev->ctl_saturation = c->value;
1194                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1195                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1196                 break;
1197         case V4L2_CID_AUDIO_MUTE:
1198                 dev->ctl_mute = c->value;
1199                 saa7134_tvaudio_setmute(dev);
1200                 break;
1201         case V4L2_CID_AUDIO_VOLUME:
1202                 dev->ctl_volume = c->value;
1203                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1204                 break;
1205         case V4L2_CID_PRIVATE_INVERT:
1206                 dev->ctl_invert = c->value;
1207                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1208                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1209                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1210                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1211                 break;
1212         case V4L2_CID_HFLIP:
1213                 dev->ctl_mirror = c->value;
1214                 restart_overlay = 1;
1215                 break;
1216         case V4L2_CID_PRIVATE_Y_EVEN:
1217                 dev->ctl_y_even = c->value;
1218                 restart_overlay = 1;
1219                 break;
1220         case V4L2_CID_PRIVATE_Y_ODD:
1221                 dev->ctl_y_odd = c->value;
1222                 restart_overlay = 1;
1223                 break;
1224         case V4L2_CID_PRIVATE_AUTOMUTE:
1225                 dev->ctl_automute = c->value;
1226                 if (dev->tda9887_conf) {
1227                         if (dev->ctl_automute)
1228                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1229                         else
1230                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1231                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1232                                                  &dev->tda9887_conf);
1233                 }
1234                 break;
1235         default:
1236                 return -EINVAL;
1237         }
1238         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1239                 spin_lock_irqsave(&dev->slock,flags);
1240                 stop_preview(dev,fh);
1241                 start_preview(dev,fh);
1242                 spin_unlock_irqrestore(&dev->slock,flags);
1243         }
1244         return 0;
1245 }
1246
1247 /* ------------------------------------------------------------------ */
1248
1249 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1250 {
1251         struct videobuf_queue* q = NULL;
1252
1253         switch (fh->type) {
1254         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1255                 q = &fh->cap;
1256                 break;
1257         case V4L2_BUF_TYPE_VBI_CAPTURE:
1258                 q = &fh->vbi;
1259                 break;
1260         default:
1261                 BUG();
1262         }
1263         return q;
1264 }
1265
1266 static int saa7134_resource(struct saa7134_fh *fh)
1267 {
1268         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1269                 return RESOURCE_VIDEO;
1270
1271         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1272                 return RESOURCE_VBI;
1273
1274         BUG();
1275         return 0;
1276 }
1277
1278 static int video_open(struct inode *inode, struct file *file)
1279 {
1280         int minor = iminor(inode);
1281         struct saa7134_dev *h,*dev = NULL;
1282         struct saa7134_fh *fh;
1283         struct list_head *list;
1284         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1285         int radio = 0;
1286         list_for_each(list,&saa7134_devlist) {
1287                 h = list_entry(list, struct saa7134_dev, devlist);
1288                 if (h->video_dev && (h->video_dev->minor == minor))
1289                         dev = h;
1290                 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1291                         radio = 1;
1292                         dev = h;
1293                 }
1294                 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1295                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1296                         dev = h;
1297                 }
1298         }
1299         if (NULL == dev)
1300                 return -ENODEV;
1301
1302         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1303                 v4l2_type_names[type]);
1304
1305         /* allocate + initialize per filehandle data */
1306         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1307         if (NULL == fh)
1308                 return -ENOMEM;
1309         file->private_data = fh;
1310         fh->dev      = dev;
1311         fh->radio    = radio;
1312         fh->type     = type;
1313         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1314         fh->width    = 720;
1315         fh->height   = 576;
1316         v4l2_prio_open(&dev->prio,&fh->prio);
1317
1318         videobuf_queue_pci_init(&fh->cap, &video_qops,
1319                             dev->pci, &dev->slock,
1320                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1321                             V4L2_FIELD_INTERLACED,
1322                             sizeof(struct saa7134_buf),
1323                             fh);
1324         videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1325                             dev->pci, &dev->slock,
1326                             V4L2_BUF_TYPE_VBI_CAPTURE,
1327                             V4L2_FIELD_SEQ_TB,
1328                             sizeof(struct saa7134_buf),
1329                             fh);
1330         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1331         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1332
1333         if (fh->radio) {
1334                 /* switch to radio mode */
1335                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1336                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1337         } else {
1338                 /* switch to video/vbi mode */
1339                 video_mux(dev,dev->ctl_input);
1340         }
1341         return 0;
1342 }
1343
1344 static ssize_t
1345 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1346 {
1347         struct saa7134_fh *fh = file->private_data;
1348
1349         switch (fh->type) {
1350         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1351                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1352                         return -EBUSY;
1353                 return videobuf_read_one(saa7134_queue(fh),
1354                                          data, count, ppos,
1355                                          file->f_flags & O_NONBLOCK);
1356         case V4L2_BUF_TYPE_VBI_CAPTURE:
1357                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1358                         return -EBUSY;
1359                 return videobuf_read_stream(saa7134_queue(fh),
1360                                             data, count, ppos, 1,
1361                                             file->f_flags & O_NONBLOCK);
1362                 break;
1363         default:
1364                 BUG();
1365                 return 0;
1366         }
1367 }
1368
1369 static unsigned int
1370 video_poll(struct file *file, struct poll_table_struct *wait)
1371 {
1372         struct saa7134_fh *fh = file->private_data;
1373         struct videobuf_buffer *buf = NULL;
1374
1375         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1376                 return videobuf_poll_stream(file, &fh->vbi, wait);
1377
1378         if (res_check(fh,RESOURCE_VIDEO)) {
1379                 if (!list_empty(&fh->cap.stream))
1380                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1381         } else {
1382                 mutex_lock(&fh->cap.lock);
1383                 if (UNSET == fh->cap.read_off) {
1384                         /* need to capture a new frame */
1385                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1386                                 mutex_unlock(&fh->cap.lock);
1387                                 return POLLERR;
1388                         }
1389                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1390                                 mutex_unlock(&fh->cap.lock);
1391                                 return POLLERR;
1392                         }
1393                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1394                         fh->cap.read_off = 0;
1395                 }
1396                 mutex_unlock(&fh->cap.lock);
1397                 buf = fh->cap.read_buf;
1398         }
1399
1400         if (!buf)
1401                 return POLLERR;
1402
1403         poll_wait(file, &buf->done, wait);
1404         if (buf->state == STATE_DONE ||
1405             buf->state == STATE_ERROR)
1406                 return POLLIN|POLLRDNORM;
1407         return 0;
1408 }
1409
1410 static int video_release(struct inode *inode, struct file *file)
1411 {
1412         struct saa7134_fh  *fh  = file->private_data;
1413         struct saa7134_dev *dev = fh->dev;
1414         unsigned long flags;
1415
1416         /* turn off overlay */
1417         if (res_check(fh, RESOURCE_OVERLAY)) {
1418                 spin_lock_irqsave(&dev->slock,flags);
1419                 stop_preview(dev,fh);
1420                 spin_unlock_irqrestore(&dev->slock,flags);
1421                 res_free(dev,fh,RESOURCE_OVERLAY);
1422         }
1423
1424         /* stop video capture */
1425         if (res_check(fh, RESOURCE_VIDEO)) {
1426                 videobuf_streamoff(&fh->cap);
1427                 res_free(dev,fh,RESOURCE_VIDEO);
1428         }
1429         if (fh->cap.read_buf) {
1430                 buffer_release(&fh->cap,fh->cap.read_buf);
1431                 kfree(fh->cap.read_buf);
1432         }
1433
1434         /* stop vbi capture */
1435         if (res_check(fh, RESOURCE_VBI)) {
1436                 if (fh->vbi.streaming)
1437                         videobuf_streamoff(&fh->vbi);
1438                 if (fh->vbi.reading)
1439                         videobuf_read_stop(&fh->vbi);
1440                 res_free(dev,fh,RESOURCE_VBI);
1441         }
1442
1443         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1444         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1445         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1446         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1447         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1448
1449         saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1450
1451         /* free stuff */
1452         videobuf_mmap_free(&fh->cap);
1453         videobuf_mmap_free(&fh->vbi);
1454         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1455         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1456
1457         v4l2_prio_close(&dev->prio,&fh->prio);
1458         file->private_data = NULL;
1459         kfree(fh);
1460         return 0;
1461 }
1462
1463 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1464 {
1465         struct saa7134_fh *fh = file->private_data;
1466
1467         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1468 }
1469
1470 /* ------------------------------------------------------------------ */
1471
1472 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1473 {
1474         struct saa7134_tvnorm *norm = dev->tvnorm;
1475
1476         f->fmt.vbi.sampling_rate = 6750000 * 4;
1477         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1478         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1479         f->fmt.vbi.offset = 64 * 4;
1480         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1481         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1482         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1483         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1484         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1485
1486 }
1487
1488 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1489                          struct v4l2_format *f)
1490 {
1491         switch (f->type) {
1492         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1493                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1494                 f->fmt.pix.width        = fh->width;
1495                 f->fmt.pix.height       = fh->height;
1496                 f->fmt.pix.field        = fh->cap.field;
1497                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1498                 f->fmt.pix.bytesperline =
1499                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1500                 f->fmt.pix.sizeimage =
1501                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1502                 return 0;
1503         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1504                 if (saa7134_no_overlay > 0) {
1505                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1506                         return -EINVAL;
1507                 }
1508                 f->fmt.win = fh->win;
1509                 return 0;
1510         case V4L2_BUF_TYPE_VBI_CAPTURE:
1511                 saa7134_vbi_fmt(dev,f);
1512                 return 0;
1513         default:
1514                 return -EINVAL;
1515         }
1516 }
1517
1518 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1519                            struct v4l2_format *f)
1520 {
1521         int err;
1522
1523         switch (f->type) {
1524         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1525         {
1526                 struct saa7134_format *fmt;
1527                 enum v4l2_field field;
1528                 unsigned int maxw, maxh;
1529
1530                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1531                 if (NULL == fmt)
1532                         return -EINVAL;
1533
1534                 field = f->fmt.pix.field;
1535                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1536                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1537
1538                 if (V4L2_FIELD_ANY == field) {
1539                         field = (f->fmt.pix.height > maxh/2)
1540                                 ? V4L2_FIELD_INTERLACED
1541                                 : V4L2_FIELD_BOTTOM;
1542                 }
1543                 switch (field) {
1544                 case V4L2_FIELD_TOP:
1545                 case V4L2_FIELD_BOTTOM:
1546                         maxh = maxh / 2;
1547                         break;
1548                 case V4L2_FIELD_INTERLACED:
1549                         break;
1550                 default:
1551                         return -EINVAL;
1552                 }
1553
1554                 f->fmt.pix.field = field;
1555                 if (f->fmt.pix.width  < 48)
1556                         f->fmt.pix.width  = 48;
1557                 if (f->fmt.pix.height < 32)
1558                         f->fmt.pix.height = 32;
1559                 if (f->fmt.pix.width > maxw)
1560                         f->fmt.pix.width = maxw;
1561                 if (f->fmt.pix.height > maxh)
1562                         f->fmt.pix.height = maxh;
1563                 f->fmt.pix.width &= ~0x03;
1564                 f->fmt.pix.bytesperline =
1565                         (f->fmt.pix.width * fmt->depth) >> 3;
1566                 f->fmt.pix.sizeimage =
1567                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1568
1569                 return 0;
1570         }
1571         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1572                 if (saa7134_no_overlay > 0) {
1573                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1574                         return -EINVAL;
1575                 }
1576                 err = verify_preview(dev,&f->fmt.win);
1577                 if (0 != err)
1578                         return err;
1579                 return 0;
1580         case V4L2_BUF_TYPE_VBI_CAPTURE:
1581                 saa7134_vbi_fmt(dev,f);
1582                 return 0;
1583         default:
1584                 return -EINVAL;
1585         }
1586 }
1587
1588 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1589                          struct v4l2_format *f)
1590 {
1591         unsigned long flags;
1592         int err;
1593
1594         switch (f->type) {
1595         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1596                 err = saa7134_try_fmt(dev,fh,f);
1597                 if (0 != err)
1598                         return err;
1599
1600                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1601                 fh->width     = f->fmt.pix.width;
1602                 fh->height    = f->fmt.pix.height;
1603                 fh->cap.field = f->fmt.pix.field;
1604                 return 0;
1605         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1606                 if (saa7134_no_overlay > 0) {
1607                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1608                         return -EINVAL;
1609                 }
1610                 err = verify_preview(dev,&f->fmt.win);
1611                 if (0 != err)
1612                         return err;
1613
1614                 mutex_lock(&dev->lock);
1615                 fh->win    = f->fmt.win;
1616                 fh->nclips = f->fmt.win.clipcount;
1617                 if (fh->nclips > 8)
1618                         fh->nclips = 8;
1619                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1620                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1621                         mutex_unlock(&dev->lock);
1622                         return -EFAULT;
1623                 }
1624
1625                 if (res_check(fh, RESOURCE_OVERLAY)) {
1626                         spin_lock_irqsave(&dev->slock,flags);
1627                         stop_preview(dev,fh);
1628                         start_preview(dev,fh);
1629                         spin_unlock_irqrestore(&dev->slock,flags);
1630                 }
1631                 mutex_unlock(&dev->lock);
1632                 return 0;
1633         case V4L2_BUF_TYPE_VBI_CAPTURE:
1634                 saa7134_vbi_fmt(dev,f);
1635                 return 0;
1636         default:
1637                 return -EINVAL;
1638         }
1639 }
1640
1641 int saa7134_common_ioctl(struct saa7134_dev *dev,
1642                          unsigned int cmd, void *arg)
1643 {
1644         int err;
1645
1646         switch (cmd) {
1647         case VIDIOC_QUERYCTRL:
1648         {
1649                 const struct v4l2_queryctrl *ctrl;
1650                 struct v4l2_queryctrl *c = arg;
1651
1652                 if ((c->id <  V4L2_CID_BASE ||
1653                      c->id >= V4L2_CID_LASTP1) &&
1654                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1655                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1656                         return -EINVAL;
1657                 ctrl = ctrl_by_id(c->id);
1658                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1659                 return 0;
1660         }
1661         case VIDIOC_G_CTRL:
1662                 return get_control(dev,arg);
1663         case VIDIOC_S_CTRL:
1664         {
1665                 mutex_lock(&dev->lock);
1666                 err = set_control(dev,NULL,arg);
1667                 mutex_unlock(&dev->lock);
1668                 return err;
1669         }
1670         /* --- input switching --------------------------------------- */
1671         case VIDIOC_ENUMINPUT:
1672         {
1673                 struct v4l2_input *i = arg;
1674                 unsigned int n;
1675
1676                 n = i->index;
1677                 if (n >= SAA7134_INPUT_MAX)
1678                         return -EINVAL;
1679                 if (NULL == card_in(dev,i->index).name)
1680                         return -EINVAL;
1681                 memset(i,0,sizeof(*i));
1682                 i->index = n;
1683                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1684                 strcpy(i->name,card_in(dev,n).name);
1685                 if (card_in(dev,n).tv)
1686                         i->type = V4L2_INPUT_TYPE_TUNER;
1687                 i->audioset = 1;
1688                 if (n == dev->ctl_input) {
1689                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1690                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1691
1692                         if (0 != (v1 & 0x40))
1693                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1694                         if (0 != (v2 & 0x40))
1695                                 i->status |= V4L2_IN_ST_NO_SYNC;
1696                         if (0 != (v2 & 0x0e))
1697                                 i->status |= V4L2_IN_ST_MACROVISION;
1698                 }
1699                 for (n = 0; n < TVNORMS; n++)
1700                         i->std |= tvnorms[n].id;
1701                 return 0;
1702         }
1703         case VIDIOC_G_INPUT:
1704         {
1705                 int *i = arg;
1706                 *i = dev->ctl_input;
1707                 return 0;
1708         }
1709         case VIDIOC_S_INPUT:
1710         {
1711                 int *i = arg;
1712
1713                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1714                         return -EINVAL;
1715                 if (NULL == card_in(dev,*i).name)
1716                         return -EINVAL;
1717                 mutex_lock(&dev->lock);
1718                 video_mux(dev,*i);
1719                 mutex_unlock(&dev->lock);
1720                 return 0;
1721         }
1722
1723         }
1724         return 0;
1725 }
1726 EXPORT_SYMBOL(saa7134_common_ioctl);
1727
1728 /*
1729  * This function is _not_ called directly, but from
1730  * video_generic_ioctl (and maybe others).  userspace
1731  * copying is done already, arg is a kernel pointer.
1732  */
1733 static int video_do_ioctl(struct inode *inode, struct file *file,
1734                           unsigned int cmd, void *arg)
1735 {
1736         struct saa7134_fh *fh = file->private_data;
1737         struct saa7134_dev *dev = fh->dev;
1738         unsigned long flags;
1739         int err;
1740
1741         if (video_debug > 1)
1742                 v4l_print_ioctl(dev->name,cmd);
1743
1744         switch (cmd) {
1745         case VIDIOC_S_CTRL:
1746         case VIDIOC_S_STD:
1747         case VIDIOC_S_INPUT:
1748         case VIDIOC_S_TUNER:
1749         case VIDIOC_S_FREQUENCY:
1750                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1751                 if (0 != err)
1752                         return err;
1753         }
1754
1755         switch (cmd) {
1756         case VIDIOC_QUERYCAP:
1757         {
1758                 struct v4l2_capability *cap = arg;
1759                 unsigned int tuner_type = dev->tuner_type;
1760
1761                 memset(cap,0,sizeof(*cap));
1762                 strcpy(cap->driver, "saa7134");
1763                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1764                         sizeof(cap->card));
1765                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1766                 cap->version = SAA7134_VERSION_CODE;
1767                 cap->capabilities =
1768                         V4L2_CAP_VIDEO_CAPTURE |
1769                         V4L2_CAP_VBI_CAPTURE |
1770                         V4L2_CAP_READWRITE |
1771                         V4L2_CAP_STREAMING |
1772                         V4L2_CAP_TUNER;
1773                 if (saa7134_no_overlay <= 0) {
1774                         cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1775                 }
1776
1777                 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1778                         cap->capabilities &= ~V4L2_CAP_TUNER;
1779
1780                 return 0;
1781         }
1782
1783         /* --- tv standards ------------------------------------------ */
1784         case VIDIOC_ENUMSTD:
1785         {
1786                 struct v4l2_standard *e = arg;
1787                 unsigned int i;
1788
1789                 i = e->index;
1790                 if (i >= TVNORMS)
1791                         return -EINVAL;
1792                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1793                                                tvnorms[e->index].name);
1794                 e->index = i;
1795                 if (err < 0)
1796                         return err;
1797                 return 0;
1798         }
1799         case VIDIOC_G_STD:
1800         {
1801                 v4l2_std_id *id = arg;
1802
1803                 *id = dev->tvnorm->id;
1804                 return 0;
1805         }
1806         case VIDIOC_S_STD:
1807         {
1808                 v4l2_std_id *id = arg;
1809                 unsigned int i;
1810                 v4l2_std_id fixup;
1811
1812                 for (i = 0; i < TVNORMS; i++)
1813                         if (*id == tvnorms[i].id)
1814                                 break;
1815                 if (i == TVNORMS)
1816                         for (i = 0; i < TVNORMS; i++)
1817                                 if (*id & tvnorms[i].id)
1818                                         break;
1819                 if (i == TVNORMS)
1820                         return -EINVAL;
1821                 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1822                         if (secam[0] == 'L' || secam[0] == 'l') {
1823                                 if (secam[1] == 'C' || secam[1] == 'c')
1824                                         fixup = V4L2_STD_SECAM_LC;
1825                                 else
1826                                         fixup = V4L2_STD_SECAM_L;
1827                         } else {
1828                                 if (secam[0] == 'D' || secam[0] == 'd')
1829                                         fixup = V4L2_STD_SECAM_DK;
1830                                 else
1831                                         fixup = V4L2_STD_SECAM;
1832                         }
1833                         for (i = 0; i < TVNORMS; i++)
1834                                 if (fixup == tvnorms[i].id)
1835                                         break;
1836                 }
1837                 mutex_lock(&dev->lock);
1838                 if (res_check(fh, RESOURCE_OVERLAY)) {
1839                         spin_lock_irqsave(&dev->slock,flags);
1840                         stop_preview(dev,fh);
1841                         spin_unlock_irqrestore(&dev->slock, flags);
1842
1843                         set_tvnorm(dev,&tvnorms[i]);
1844
1845                         spin_lock_irqsave(&dev->slock, flags);
1846                         start_preview(dev,fh);
1847                         spin_unlock_irqrestore(&dev->slock,flags);
1848                 } else
1849                         set_tvnorm(dev,&tvnorms[i]);
1850                 saa7134_tvaudio_do_scan(dev);
1851                 mutex_unlock(&dev->lock);
1852                 return 0;
1853         }
1854
1855         case VIDIOC_CROPCAP:
1856         {
1857                 struct v4l2_cropcap *cap = arg;
1858
1859                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1860                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1861                         return -EINVAL;
1862                 cap->bounds  = dev->crop_bounds;
1863                 cap->defrect = dev->crop_defrect;
1864                 cap->pixelaspect.numerator   = 1;
1865                 cap->pixelaspect.denominator = 1;
1866                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1867                         cap->pixelaspect.numerator   = 11;
1868                         cap->pixelaspect.denominator = 10;
1869                 }
1870                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1871                         cap->pixelaspect.numerator   = 54;
1872                         cap->pixelaspect.denominator = 59;
1873                 }
1874                 return 0;
1875         }
1876
1877         case VIDIOC_G_CROP:
1878         {
1879                 struct v4l2_crop * crop = arg;
1880
1881                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1882                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1883                         return -EINVAL;
1884                 crop->c = dev->crop_current;
1885                 return 0;
1886         }
1887         case VIDIOC_S_CROP:
1888         {
1889                 struct v4l2_crop *crop = arg;
1890                 struct v4l2_rect *b = &dev->crop_bounds;
1891
1892                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1893                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1894                         return -EINVAL;
1895                 if (crop->c.height < 0)
1896                         return -EINVAL;
1897                 if (crop->c.width < 0)
1898                         return -EINVAL;
1899
1900                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1901                         return -EBUSY;
1902                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1903                         return -EBUSY;
1904
1905                 if (crop->c.top < b->top)
1906                         crop->c.top = b->top;
1907                 if (crop->c.top > b->top + b->height)
1908                         crop->c.top = b->top + b->height;
1909                 if (crop->c.height > b->top - crop->c.top + b->height)
1910                         crop->c.height = b->top - crop->c.top + b->height;
1911
1912                 if (crop->c.left < b->left)
1913                         crop->c.left = b->left;
1914                 if (crop->c.left > b->left + b->width)
1915                         crop->c.left = b->left + b->width;
1916                 if (crop->c.width > b->left - crop->c.left + b->width)
1917                         crop->c.width = b->left - crop->c.left + b->width;
1918
1919                 dev->crop_current = crop->c;
1920                 return 0;
1921         }
1922
1923         /* --- tuner ioctls ------------------------------------------ */
1924         case VIDIOC_G_TUNER:
1925         {
1926                 struct v4l2_tuner *t = arg;
1927                 int n;
1928
1929                 if (0 != t->index)
1930                         return -EINVAL;
1931                 memset(t,0,sizeof(*t));
1932                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1933                         if (card_in(dev,n).tv)
1934                                 break;
1935                 if (NULL != card_in(dev,n).name) {
1936                         strcpy(t->name, "Television");
1937                         t->type = V4L2_TUNER_ANALOG_TV;
1938                         t->capability = V4L2_TUNER_CAP_NORM |
1939                                 V4L2_TUNER_CAP_STEREO |
1940                                 V4L2_TUNER_CAP_LANG1 |
1941                                 V4L2_TUNER_CAP_LANG2;
1942                         t->rangehigh = 0xffffffffUL;
1943                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1944                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1945                 }
1946                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1947                         t->signal = 0xffff;
1948                 return 0;
1949         }
1950         case VIDIOC_S_TUNER:
1951         {
1952                 struct v4l2_tuner *t = arg;
1953                 int rx,mode;
1954
1955                 mode = dev->thread.mode;
1956                 if (UNSET == mode) {
1957                         rx   = saa7134_tvaudio_getstereo(dev);
1958                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1959                 }
1960                 if (mode != t->audmode) {
1961                         dev->thread.mode = t->audmode;
1962                 }
1963                 return 0;
1964         }
1965         case VIDIOC_G_FREQUENCY:
1966         {
1967                 struct v4l2_frequency *f = arg;
1968
1969                 memset(f,0,sizeof(*f));
1970                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1971                 f->frequency = dev->ctl_freq;
1972                 return 0;
1973         }
1974         case VIDIOC_S_FREQUENCY:
1975         {
1976                 struct v4l2_frequency *f = arg;
1977
1978                 if (0 != f->tuner)
1979                         return -EINVAL;
1980                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1981                         return -EINVAL;
1982                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1983                         return -EINVAL;
1984                 mutex_lock(&dev->lock);
1985                 dev->ctl_freq = f->frequency;
1986
1987                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1988
1989                 saa7134_tvaudio_do_scan(dev);
1990                 mutex_unlock(&dev->lock);
1991                 return 0;
1992         }
1993
1994         /* --- control ioctls ---------------------------------------- */
1995         case VIDIOC_ENUMINPUT:
1996         case VIDIOC_G_INPUT:
1997         case VIDIOC_S_INPUT:
1998         case VIDIOC_QUERYCTRL:
1999         case VIDIOC_G_CTRL:
2000         case VIDIOC_S_CTRL:
2001                 return saa7134_common_ioctl(dev, cmd, arg);
2002
2003         case VIDIOC_G_AUDIO:
2004         {
2005                 struct v4l2_audio *a = arg;
2006
2007                 memset(a,0,sizeof(*a));
2008                 strcpy(a->name,"audio");
2009                 return 0;
2010         }
2011         case VIDIOC_S_AUDIO:
2012                 return 0;
2013         case VIDIOC_G_PARM:
2014         {
2015                 struct v4l2_captureparm *parm = arg;
2016                 memset(parm,0,sizeof(*parm));
2017                 return 0;
2018         }
2019
2020         case VIDIOC_G_PRIORITY:
2021         {
2022                 enum v4l2_priority *p = arg;
2023
2024                 *p = v4l2_prio_max(&dev->prio);
2025                 return 0;
2026         }
2027         case VIDIOC_S_PRIORITY:
2028         {
2029                 enum v4l2_priority *prio = arg;
2030
2031                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2032         }
2033
2034         /* --- preview ioctls ---------------------------------------- */
2035         case VIDIOC_ENUM_FMT:
2036         {
2037                 struct v4l2_fmtdesc *f = arg;
2038                 enum v4l2_buf_type type;
2039                 unsigned int index;
2040
2041                 index = f->index;
2042                 type  = f->type;
2043                 switch (type) {
2044                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2045                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2046                         if (saa7134_no_overlay > 0) {
2047                                 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2048                                 return -EINVAL;
2049                         }
2050                         if (index >= FORMATS)
2051                                 return -EINVAL;
2052                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2053                             formats[index].planar)
2054                                 return -EINVAL;
2055                         memset(f,0,sizeof(*f));
2056                         f->index = index;
2057                         f->type  = type;
2058                         strlcpy(f->description,formats[index].name,sizeof(f->description));
2059                         f->pixelformat = formats[index].fourcc;
2060                         break;
2061                 case V4L2_BUF_TYPE_VBI_CAPTURE:
2062                         if (0 != index)
2063                                 return -EINVAL;
2064                         memset(f,0,sizeof(*f));
2065                         f->index = index;
2066                         f->type  = type;
2067                         f->pixelformat = V4L2_PIX_FMT_GREY;
2068                         strcpy(f->description,"vbi data");
2069                         break;
2070                 default:
2071                         return -EINVAL;
2072                 }
2073                 return 0;
2074         }
2075         case VIDIOC_G_FBUF:
2076         {
2077                 struct v4l2_framebuffer *fb = arg;
2078
2079                 *fb = dev->ovbuf;
2080                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2081                 return 0;
2082         }
2083         case VIDIOC_S_FBUF:
2084         {
2085                 struct v4l2_framebuffer *fb = arg;
2086                 struct saa7134_format *fmt;
2087
2088                 if(!capable(CAP_SYS_ADMIN) &&
2089                    !capable(CAP_SYS_RAWIO))
2090                         return -EPERM;
2091
2092                 /* check args */
2093                 fmt = format_by_fourcc(fb->fmt.pixelformat);
2094                 if (NULL == fmt)
2095                         return -EINVAL;
2096
2097                 /* ok, accept it */
2098                 dev->ovbuf = *fb;
2099                 dev->ovfmt = fmt;
2100                 if (0 == dev->ovbuf.fmt.bytesperline)
2101                         dev->ovbuf.fmt.bytesperline =
2102                                 dev->ovbuf.fmt.width*fmt->depth/8;
2103                 return 0;
2104         }
2105         case VIDIOC_OVERLAY:
2106         {
2107                 int *on = arg;
2108
2109                 if (*on) {
2110                         if (saa7134_no_overlay > 0) {
2111                                 printk ("no_overlay\n");
2112                                 return -EINVAL;
2113                         }
2114
2115                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
2116                                 return -EBUSY;
2117                         spin_lock_irqsave(&dev->slock,flags);
2118                         start_preview(dev,fh);
2119                         spin_unlock_irqrestore(&dev->slock,flags);
2120                 }
2121                 if (!*on) {
2122                         if (!res_check(fh, RESOURCE_OVERLAY))
2123                                 return -EINVAL;
2124                         spin_lock_irqsave(&dev->slock,flags);
2125                         stop_preview(dev,fh);
2126                         spin_unlock_irqrestore(&dev->slock,flags);
2127                         res_free(dev,fh,RESOURCE_OVERLAY);
2128                 }
2129                 return 0;
2130         }
2131
2132         /* --- capture ioctls ---------------------------------------- */
2133         case VIDIOC_G_FMT:
2134         {
2135                 struct v4l2_format *f = arg;
2136                 return saa7134_g_fmt(dev,fh,f);
2137         }
2138         case VIDIOC_S_FMT:
2139         {
2140                 struct v4l2_format *f = arg;
2141                 return saa7134_s_fmt(dev,fh,f);
2142         }
2143         case VIDIOC_TRY_FMT:
2144         {
2145                 struct v4l2_format *f = arg;
2146                 return saa7134_try_fmt(dev,fh,f);
2147         }
2148 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2149         case VIDIOCGMBUF:
2150                 return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers);
2151 #endif
2152         case VIDIOC_REQBUFS:
2153                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2154
2155         case VIDIOC_QUERYBUF:
2156                 return videobuf_querybuf(saa7134_queue(fh),arg);
2157
2158         case VIDIOC_QBUF:
2159                 return videobuf_qbuf(saa7134_queue(fh),arg);
2160
2161         case VIDIOC_DQBUF:
2162                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2163                                       file->f_flags & O_NONBLOCK);
2164
2165         case VIDIOC_STREAMON:
2166         {
2167                 int res = saa7134_resource(fh);
2168
2169                 if (!res_get(dev,fh,res))
2170                         return -EBUSY;
2171                 return videobuf_streamon(saa7134_queue(fh));
2172         }
2173         case VIDIOC_STREAMOFF:
2174         {
2175                 int res = saa7134_resource(fh);
2176
2177                 err = videobuf_streamoff(saa7134_queue(fh));
2178                 if (err < 0)
2179                         return err;
2180                 res_free(dev,fh,res);
2181                 return 0;
2182         }
2183
2184         default:
2185                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2186                                                   video_do_ioctl);
2187         }
2188         return 0;
2189 }
2190
2191 static int video_ioctl(struct inode *inode, struct file *file,
2192                        unsigned int cmd, unsigned long arg)
2193 {
2194         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2195 }
2196
2197 static int radio_do_ioctl(struct inode *inode, struct file *file,
2198                           unsigned int cmd, void *arg)
2199 {
2200         struct saa7134_fh *fh = file->private_data;
2201         struct saa7134_dev *dev = fh->dev;
2202
2203         if (video_debug > 1)
2204                 v4l_print_ioctl(dev->name,cmd);
2205         switch (cmd) {
2206         case VIDIOC_QUERYCAP:
2207         {
2208                 struct v4l2_capability *cap = arg;
2209
2210                 memset(cap,0,sizeof(*cap));
2211                 strcpy(cap->driver, "saa7134");
2212                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2213                         sizeof(cap->card));
2214                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2215                 cap->version = SAA7134_VERSION_CODE;
2216                 cap->capabilities = V4L2_CAP_TUNER;
2217                 return 0;
2218         }
2219         case VIDIOC_G_TUNER:
2220         {
2221                 struct v4l2_tuner *t = arg;
2222
2223                 if (0 != t->index)
2224                         return -EINVAL;
2225
2226                 memset(t,0,sizeof(*t));
2227                 strcpy(t->name, "Radio");
2228                 t->type = V4L2_TUNER_RADIO;
2229
2230                 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2231                 if (dev->input->amux == TV) {
2232                         t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2233                         t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2234                                         V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2235                 }
2236                 return 0;
2237         }
2238         case VIDIOC_S_TUNER:
2239         {
2240                 struct v4l2_tuner *t = arg;
2241
2242                 if (0 != t->index)
2243                         return -EINVAL;
2244
2245                 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2246
2247                 return 0;
2248         }
2249         case VIDIOC_ENUMINPUT:
2250         {
2251                 struct v4l2_input *i = arg;
2252
2253                 if (i->index != 0)
2254                         return -EINVAL;
2255                 strcpy(i->name,"Radio");
2256                 i->type = V4L2_INPUT_TYPE_TUNER;
2257                 return 0;
2258         }
2259         case VIDIOC_G_INPUT:
2260         {
2261                 int *i = arg;
2262                 *i = 0;
2263                 return 0;
2264         }
2265         case VIDIOC_G_AUDIO:
2266         {
2267                 struct v4l2_audio *a = arg;
2268
2269                 memset(a,0,sizeof(*a));
2270                 strcpy(a->name,"Radio");
2271                 return 0;
2272         }
2273         case VIDIOC_G_STD:
2274         {
2275                 v4l2_std_id *id = arg;
2276                 *id = 0;
2277                 return 0;
2278         }
2279         case VIDIOC_S_AUDIO:
2280         case VIDIOC_S_INPUT:
2281         case VIDIOC_S_STD:
2282                 return 0;
2283
2284         case VIDIOC_QUERYCTRL:
2285         {
2286                 const struct v4l2_queryctrl *ctrl;
2287                 struct v4l2_queryctrl *c = arg;
2288
2289                 if (c->id <  V4L2_CID_BASE ||
2290                     c->id >= V4L2_CID_LASTP1)
2291                         return -EINVAL;
2292                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2293                         ctrl = ctrl_by_id(c->id);
2294                         *c = *ctrl;
2295                 } else
2296                         *c = no_ctrl;
2297                 return 0;
2298         }
2299
2300         case VIDIOC_G_CTRL:
2301         case VIDIOC_S_CTRL:
2302         case VIDIOC_G_FREQUENCY:
2303         case VIDIOC_S_FREQUENCY:
2304                 return video_do_ioctl(inode,file,cmd,arg);
2305
2306         default:
2307                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2308                                                   radio_do_ioctl);
2309         }
2310         return 0;
2311 }
2312
2313 static int radio_ioctl(struct inode *inode, struct file *file,
2314                        unsigned int cmd, unsigned long arg)
2315 {
2316         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2317 }
2318
2319 static const struct file_operations video_fops =
2320 {
2321         .owner    = THIS_MODULE,
2322         .open     = video_open,
2323         .release  = video_release,
2324         .read     = video_read,
2325         .poll     = video_poll,
2326         .mmap     = video_mmap,
2327         .ioctl    = video_ioctl,
2328         .compat_ioctl   = v4l_compat_ioctl32,
2329         .llseek   = no_llseek,
2330 };
2331
2332 static const struct file_operations radio_fops =
2333 {
2334         .owner    = THIS_MODULE,
2335         .open     = video_open,
2336         .release  = video_release,
2337         .ioctl    = radio_ioctl,
2338         .compat_ioctl   = v4l_compat_ioctl32,
2339         .llseek   = no_llseek,
2340 };
2341
2342 /* ----------------------------------------------------------- */
2343 /* exported stuff                                              */
2344
2345 struct video_device saa7134_video_template =
2346 {
2347         .name          = "saa7134-video",
2348         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
2349                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2350         .hardware      = 0,
2351         .fops          = &video_fops,
2352         .minor         = -1,
2353 };
2354
2355 struct video_device saa7134_vbi_template =
2356 {
2357         .name          = "saa7134-vbi",
2358         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2359         .hardware      = 0,
2360         .fops          = &video_fops,
2361         .minor         = -1,
2362 };
2363
2364 struct video_device saa7134_radio_template =
2365 {
2366         .name          = "saa7134-radio",
2367         .type          = VID_TYPE_TUNER,
2368         .hardware      = 0,
2369         .fops          = &radio_fops,
2370         .minor         = -1,
2371 };
2372
2373 int saa7134_video_init1(struct saa7134_dev *dev)
2374 {
2375         /* sanitycheck insmod options */
2376         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2377                 gbuffers = 2;
2378         if (gbufsize < 0 || gbufsize > gbufsize_max)
2379                 gbufsize = gbufsize_max;
2380         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2381
2382         /* put some sensible defaults into the data structures ... */
2383         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2384         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2385         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2386         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2387         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2388         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2389         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2390         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2391
2392         if (dev->tda9887_conf && dev->ctl_automute)
2393                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2394         dev->automute       = 0;
2395
2396         INIT_LIST_HEAD(&dev->video_q.queue);
2397         init_timer(&dev->video_q.timeout);
2398         dev->video_q.timeout.function = saa7134_buffer_timeout;
2399         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2400         dev->video_q.dev              = dev;
2401
2402         if (saa7134_boards[dev->board].video_out) {
2403                 /* enable video output */
2404                 int vo = saa7134_boards[dev->board].video_out;
2405                 int video_reg;
2406                 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2407                 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2408                 video_reg = video_out[vo][1];
2409                 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2410                         video_reg &= ~VP_T_CODE_P_INVERTED;
2411                 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2412                 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2413                 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2414                 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2415                 video_reg = video_out[vo][5];
2416                 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2417                         video_reg &= ~VP_CLK_CTRL2_DELAYED;
2418                 if (vid_port_opts & SET_CLOCK_INVERTED)
2419                         video_reg |= VP_CLK_CTRL1_INVERTED;
2420                 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2421                 video_reg = video_out[vo][6];
2422                 if (vid_port_opts & SET_VSYNC_OFF) {
2423                         video_reg &= ~VP_VS_TYPE_MASK;
2424                         video_reg |= VP_VS_TYPE_OFF;
2425                 }
2426                 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2427                 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2428                 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2429         }
2430
2431         return 0;
2432 }
2433
2434 int saa7134_video_init2(struct saa7134_dev *dev)
2435 {
2436         /* init video hw */
2437         set_tvnorm(dev,&tvnorms[0]);
2438         video_mux(dev,0);
2439         saa7134_tvaudio_setmute(dev);
2440         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2441         return 0;
2442 }
2443
2444 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2445 {
2446         static const char *st[] = {
2447                 "(no signal)", "NTSC", "PAL", "SECAM" };
2448         u32 st1,st2;
2449
2450         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2451         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2452         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2453                 (st1 & 0x40) ? "not locked" : "locked",
2454                 (st2 & 0x40) ? "no"         : "yes",
2455                 st[st1 & 0x03]);
2456         dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2457
2458         if (dev->nosignal) {
2459                 /* no video signal -> mute audio */
2460                 if (dev->ctl_automute)
2461                         dev->automute = 1;
2462                 saa7134_tvaudio_setmute(dev);
2463                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2464         } else {
2465                 /* wake up tvaudio audio carrier scan thread */
2466                 saa7134_tvaudio_do_scan(dev);
2467                 if (!noninterlaced)
2468                         saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2469         }
2470         if (dev->mops && dev->mops->signal_change)
2471                 dev->mops->signal_change(dev);
2472 }
2473
2474 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2475 {
2476         enum v4l2_field field;
2477
2478         spin_lock(&dev->slock);
2479         if (dev->video_q.curr) {
2480                 dev->video_fieldcount++;
2481                 field = dev->video_q.curr->vb.field;
2482                 if (V4L2_FIELD_HAS_BOTH(field)) {
2483                         /* make sure we have seen both fields */
2484                         if ((status & 0x10) == 0x00) {
2485                                 dev->video_q.curr->top_seen = 1;
2486                                 goto done;
2487                         }
2488                         if (!dev->video_q.curr->top_seen)
2489                                 goto done;
2490                 } else if (field == V4L2_FIELD_TOP) {
2491                         if ((status & 0x10) != 0x10)
2492                                 goto done;
2493                 } else if (field == V4L2_FIELD_BOTTOM) {
2494                         if ((status & 0x10) != 0x00)
2495                                 goto done;
2496                 }
2497                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2498                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2499         }
2500         saa7134_buffer_next(dev,&dev->video_q);
2501
2502  done:
2503         spin_unlock(&dev->slock);
2504 }
2505
2506 /* ----------------------------------------------------------- */
2507 /*
2508  * Local variables:
2509  * c-basic-offset: 8
2510  * End:
2511  */