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

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