SAFE public projects git trees. - safe/jmp/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 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 544 {
 545
 546         dprintk("set tv norm = %s\n",norm->name);
 547         dev->tvnorm = norm;
 548
 549         /* setup cropping */
 550         dev->crop_bounds.left    = norm->h_start;
 551         dev->crop_defrect.left   = norm->h_start;
 552         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 553         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 554
 555         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 556         dev->crop_defrect.top    = norm->video_v_start*2;
 557         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 558                 - dev->crop_bounds.top;
 559         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 560
 561         dev->crop_current = dev->crop_defrect;
 562
 563         saa7134_set_tvnorm_hw(dev);
 564
 565 }
 566
 567 static void video_mux(struct saa7134_dev *dev, int input)
 568 {
 569         dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
 570         dev->ctl_input = input;
 571         set_tvnorm(dev, dev->tvnorm);
 572         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 573 }
 574
 575
 576 static void saa7134_set_decoder(struct saa7134_dev *dev)
 577 {
 578         int luma_control, sync_control, mux;
 579
 580         struct saa7134_tvnorm *norm = dev->tvnorm;
 581         mux = card_in(dev, dev->ctl_input).vmux;
 582
 583         luma_control = norm->luma_control;
 584         sync_control = norm->sync_control;
 585
 586         if (mux > 5)
 587                 luma_control |= 0x80; /* svideo */
 588         if (noninterlaced || dev->nosignal)
 589                 sync_control |= 0x20;
 590
 591         /* setup video decoder */
 592         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 593         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 594         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 595
 596         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 597         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 598         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 599         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 600         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 601
 602         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 603         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 604         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 605
 606         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 607                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 608
 609         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 610                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 611
 612         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 613         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 614         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 615
 616         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 617         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 618
 619         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 620         saa_writeb(SAA7134_VGATE_START,           0x11);
 621         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 622         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 623         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 624         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 625 }
 626
 627 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 628 {
 629         saa7134_set_decoder(dev);
 630
 631         if (card_in(dev, dev->ctl_input).tv) {
 632                 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
 633                                 && ((card(dev).tuner_config == 1)
 634                                 ||  (card(dev).tuner_config == 2)))
 635                         saa7134_set_gpio(dev, 22, 5);
 636                 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
 637         }
 638 }
 639
 640 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 641 {
 642         static const struct {
 643                 int xpsc;
 644                 int xacl;
 645                 int xc2_1;
 646                 int xdcg;
 647                 int vpfy;
 648         } vals[] = {
 649                 /* XPSC XACL XC2_1 XDCG VPFY */
 650                 {    1,   0,    0,    0,   0 },
 651                 {    2,   2,    1,    2,   2 },
 652                 {    3,   4,    1,    3,   2 },
 653                 {    4,   8,    1,    4,   2 },
 654                 {    5,   8,    1,    4,   2 },
 655                 {    6,   8,    1,    4,   3 },
 656                 {    7,   8,    1,    4,   3 },
 657                 {    8,  15,    0,    4,   3 },
 658                 {    9,  15,    0,    4,   3 },
 659                 {   10,  16,    1,    5,   3 },
 660         };
 661         static const int count = ARRAY_SIZE(vals);
 662         int i;
 663
 664         for (i = 0; i < count; i++)
 665                 if (vals[i].xpsc == prescale)
 666                         break;
 667         if (i == count)
 668                 return;
 669
 670         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 671         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 672         saa_writeb(SAA7134_LEVEL_CTRL(task),
 673                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 674         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 675                    (vals[i].vpfy << 2) | vals[i].vpfy);
 676 }
 677
 678 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 679 {
 680         int val,mirror;
 681
 682         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 683         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 684
 685         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 686         if (yscale < 2048) {
 687                 /* LPI */
 688                 dprintk("yscale LPI yscale=%d\n",yscale);
 689                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 690                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 691                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 692         } else {
 693                 /* ACM */
 694                 val = 0x40 * 1024 / yscale;
 695                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 696                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 697                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 698                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 699         }
 700         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 701 }
 702
 703 static void set_size(struct saa7134_dev *dev, int task,
 704                      int width, int height, int interlace)
 705 {
 706         int prescale,xscale,yscale,y_even,y_odd;
 707         int h_start, h_stop, v_start, v_stop;
 708         int div = interlace ? 2 : 1;
 709
 710         /* setup video scaler */
 711         h_start = dev->crop_current.left;
 712         v_start = dev->crop_current.top/2;
 713         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 714         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 715
 716         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 717         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 718         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 719         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 720         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 721         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 722         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 723         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 724
 725         prescale = dev->crop_current.width / width;
 726         if (0 == prescale)
 727                 prescale = 1;
 728         xscale = 1024 * dev->crop_current.width / prescale / width;
 729         yscale = 512 * div * dev->crop_current.height / height;
 730         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 731         set_h_prescale(dev,task,prescale);
 732         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 733         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 734         set_v_scale(dev,task,yscale);
 735
 736         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 737         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 738         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 739         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 740
 741         /* deinterlace y offsets */
 742         y_odd  = dev->ctl_y_odd;
 743         y_even = dev->ctl_y_even;
 744         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 745         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 746         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 747         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 748 }
 749
 750 /* ------------------------------------------------------------------ */
 751
 752 struct cliplist {
 753         __u16 position;
 754         __u8  enable;
 755         __u8  disable;
 756 };
 757
 758 static void set_cliplist(struct saa7134_dev *dev, int reg,
 759                         struct cliplist *cl, int entries, char *name)
 760 {
 761         __u8 winbits = 0;
 762         int i;
 763
 764         for (i = 0; i < entries; i++) {
 765                 winbits |= cl[i].enable;
 766                 winbits &= ~cl[i].disable;
 767                 if (i < 15 && cl[i].position == cl[i+1].position)
 768                         continue;
 769                 saa_writeb(reg + 0, winbits);
 770                 saa_writeb(reg + 2, cl[i].position & 0xff);
 771                 saa_writeb(reg + 3, cl[i].position >> 8);
 772                 dprintk("clip: %s winbits=%02x pos=%d\n",
 773                         name,winbits,cl[i].position);
 774                 reg += 8;
 775         }
 776         for (; reg < 0x400; reg += 8) {
 777                 saa_writeb(reg+ 0, 0);
 778                 saa_writeb(reg + 1, 0);
 779                 saa_writeb(reg + 2, 0);
 780                 saa_writeb(reg + 3, 0);
 781         }
 782 }
 783
 784 static int clip_range(int val)
 785 {
 786         if (val < 0)
 787                 val = 0;
 788         return val;
 789 }
 790
 791 /* Sort into smallest position first order */
 792 static int cliplist_cmp(const void *a, const void *b)
 793 {
 794         const struct cliplist *cla = a;
 795         const struct cliplist *clb = b;
 796         if (cla->position < clb->position)
 797                 return -1;
 798         if (cla->position > clb->position)
 799                 return 1;
 800         return 0;
 801 }
 802
 803 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 804                           int nclips, int interlace)
 805 {
 806         struct cliplist col[16], row[16];
 807         int cols = 0, rows = 0, i;
 808         int div = interlace ? 2 : 1;
 809
 810         memset(col, 0, sizeof(col));
 811         memset(row, 0, sizeof(row));
 812         for (i = 0; i < nclips && i < 8; i++) {
 813                 col[cols].position = clip_range(clips[i].c.left);
 814                 col[cols].enable   = (1 << i);
 815                 cols++;
 816                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 817                 col[cols].disable  = (1 << i);
 818                 cols++;
 819                 row[rows].position = clip_range(clips[i].c.top / div);
 820                 row[rows].enable   = (1 << i);
 821                 rows++;
 822                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 823                                                 / div);
 824                 row[rows].disable  = (1 << i);
 825                 rows++;
 826         }
 827         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 828         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 829         set_cliplist(dev,0x380,col,cols,"cols");
 830         set_cliplist(dev,0x384,row,rows,"rows");
 831         return 0;
 832 }
 833
 834 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 835 {
 836         enum v4l2_field field;
 837         int maxw, maxh;
 838
 839         if (NULL == dev->ovbuf.base)
 840                 return -EINVAL;
 841         if (NULL == dev->ovfmt)
 842                 return -EINVAL;
 843         if (win->w.width < 48 || win->w.height <  32)
 844                 return -EINVAL;
 845         if (win->clipcount > 2048)
 846                 return -EINVAL;
 847
 848         field = win->field;
 849         maxw  = dev->crop_current.width;
 850         maxh  = dev->crop_current.height;
 851
 852         if (V4L2_FIELD_ANY == field) {
 853                 field = (win->w.height > maxh/2)
 854                         ? V4L2_FIELD_INTERLACED
 855                         : V4L2_FIELD_TOP;
 856         }
 857         switch (field) {
 858         case V4L2_FIELD_TOP:
 859         case V4L2_FIELD_BOTTOM:
 860                 maxh = maxh / 2;
 861                 break;
 862         case V4L2_FIELD_INTERLACED:
 863                 break;
 864         default:
 865                 return -EINVAL;
 866         }
 867
 868         win->field = field;
 869         if (win->w.width > maxw)
 870                 win->w.width = maxw;
 871         if (win->w.height > maxh)
 872                 win->w.height = maxh;
 873         return 0;
 874 }
 875
 876 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 877 {
 878         unsigned long base,control,bpl;
 879         int err;
 880
 881         err = verify_preview(dev,&fh->win);
 882         if (0 != err)
 883                 return err;
 884
 885         dev->ovfield = fh->win.field;
 886         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 887                 fh->win.w.width,fh->win.w.height,
 888                 fh->win.w.left,fh->win.w.top,
 889                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 890
 891         /* setup window + clipping */
 892         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 893                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 894         setup_clipping(dev,fh->clips,fh->nclips,
 895                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 896         if (dev->ovfmt->yuv)
 897                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 898         else
 899                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 900         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 901
 902         /* dma: setup channel 1 (= Video Task B) */
 903         base  = (unsigned long)dev->ovbuf.base;
 904         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 905         base += dev->ovfmt->depth/8         * fh->win.w.left;
 906         bpl   = dev->ovbuf.fmt.bytesperline;
 907         control = SAA7134_RS_CONTROL_BURST_16;
 908         if (dev->ovfmt->bswap)
 909                 control |= SAA7134_RS_CONTROL_BSWAP;
 910         if (dev->ovfmt->wswap)
 911                 control |= SAA7134_RS_CONTROL_WSWAP;
 912         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 913                 saa_writel(SAA7134_RS_BA1(1),base);
 914                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 915                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 916                 saa_writel(SAA7134_RS_CONTROL(1),control);
 917         } else {
 918                 saa_writel(SAA7134_RS_BA1(1),base);
 919                 saa_writel(SAA7134_RS_BA2(1),base);
 920                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 921                 saa_writel(SAA7134_RS_CONTROL(1),control);
 922         }
 923
 924         /* start dma */
 925         dev->ovenable = 1;
 926         saa7134_set_dmabits(dev);
 927
 928         return 0;
 929 }
 930
 931 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 932 {
 933         dev->ovenable = 0;
 934         saa7134_set_dmabits(dev);
 935         return 0;
 936 }
 937
 938 /* ------------------------------------------------------------------ */
 939
 940 static int buffer_activate(struct saa7134_dev *dev,
 941                            struct saa7134_buf *buf,
 942                            struct saa7134_buf *next)
 943 {
 944         unsigned long base,control,bpl;
 945         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 946
 947         dprintk("buffer_activate buf=%p\n",buf);
 948         buf->vb.state = VIDEOBUF_ACTIVE;
 949         buf->top_seen = 0;
 950
 951         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 952                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 953         if (buf->fmt->yuv)
 954                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 955         else
 956                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 957         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 958
 959         /* DMA: setup channel 0 (= Video Task A0) */
 960         base  = saa7134_buffer_base(buf);
 961         if (buf->fmt->planar)
 962                 bpl = buf->vb.width;
 963         else
 964                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 965         control = SAA7134_RS_CONTROL_BURST_16 |
 966                 SAA7134_RS_CONTROL_ME |
 967                 (buf->pt->dma >> 12);
 968         if (buf->fmt->bswap)
 969                 control |= SAA7134_RS_CONTROL_BSWAP;
 970         if (buf->fmt->wswap)
 971                 control |= SAA7134_RS_CONTROL_WSWAP;
 972         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 973                 /* interlaced */
 974                 saa_writel(SAA7134_RS_BA1(0),base);
 975                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 976                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 977         } else {
 978                 /* non-interlaced */
 979                 saa_writel(SAA7134_RS_BA1(0),base);
 980                 saa_writel(SAA7134_RS_BA2(0),base);
 981                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 982         }
 983         saa_writel(SAA7134_RS_CONTROL(0),control);
 984
 985         if (buf->fmt->planar) {
 986                 /* DMA: setup channel 4+5 (= planar task A) */
 987                 bpl_uv   = bpl >> buf->fmt->hshift;
 988                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 989                 base2    = base + bpl * buf->vb.height;
 990                 base3    = base2 + bpl_uv * lines_uv;
 991                 if (buf->fmt->uvswap)
 992                         tmp = base2, base2 = base3, base3 = tmp;
 993                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 994                         bpl_uv,lines_uv,base2,base3);
 995                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 996                         /* interlaced */
 997                         saa_writel(SAA7134_RS_BA1(4),base2);
 998                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 999                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
1000                         saa_writel(SAA7134_RS_BA1(5),base3);
1001                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1002                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1003                 } else {
1004                         /* non-interlaced */
1005                         saa_writel(SAA7134_RS_BA1(4),base2);
1006                         saa_writel(SAA7134_RS_BA2(4),base2);
1007                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1008                         saa_writel(SAA7134_RS_BA1(5),base3);
1009                         saa_writel(SAA7134_RS_BA2(5),base3);
1010                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1011                 }
1012                 saa_writel(SAA7134_RS_CONTROL(4),control);
1013                 saa_writel(SAA7134_RS_CONTROL(5),control);
1014         }
1015
1016         /* start DMA */
1017         saa7134_set_dmabits(dev);
1018         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1019         return 0;
1020 }
1021
1022 static int buffer_prepare(struct videobuf_queue *q,
1023                           struct videobuf_buffer *vb,
1024                           enum v4l2_field field)
1025 {
1026         struct saa7134_fh *fh = q->priv_data;
1027         struct saa7134_dev *dev = fh->dev;
1028         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1029         unsigned int size;
1030         int err;
1031
1032         /* sanity checks */
1033         if (NULL == fh->fmt)
1034                 return -EINVAL;
1035         if (fh->width    < 48 ||
1036             fh->height   < 32 ||
1037             fh->width/4  > dev->crop_current.width  ||
1038             fh->height/4 > dev->crop_current.height ||
1039             fh->width    > dev->crop_bounds.width  ||
1040             fh->height   > dev->crop_bounds.height)
1041                 return -EINVAL;
1042         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1043         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1044                 return -EINVAL;
1045
1046         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1047                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1048                 fh->fmt->name);
1049         if (buf->vb.width  != fh->width  ||
1050             buf->vb.height != fh->height ||
1051             buf->vb.size   != size       ||
1052             buf->vb.field  != field      ||
1053             buf->fmt       != fh->fmt) {
1054                 saa7134_dma_free(q,buf);
1055         }
1056
1057         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1058                 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1059
1060                 buf->vb.width  = fh->width;
1061                 buf->vb.height = fh->height;
1062                 buf->vb.size   = size;
1063                 buf->vb.field  = field;
1064                 buf->fmt       = fh->fmt;
1065                 buf->pt        = &fh->pt_cap;
1066
1067                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1068                 if (err)
1069                         goto oops;
1070                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1071                                             dma->sglist,
1072                                             dma->sglen,
1073                                             saa7134_buffer_startpage(buf));
1074                 if (err)
1075                         goto oops;
1076         }
1077         buf->vb.state = VIDEOBUF_PREPARED;
1078         buf->activate = buffer_activate;
1079         return 0;
1080
1081  oops:
1082         saa7134_dma_free(q,buf);
1083         return err;
1084 }
1085
1086 static int
1087 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1088 {
1089         struct saa7134_fh *fh = q->priv_data;
1090
1091         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1092         if (0 == *count)
1093                 *count = gbuffers;
1094         *count = saa7134_buffer_count(*size,*count);
1095         return 0;
1096 }
1097
1098 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1099 {
1100         struct saa7134_fh *fh = q->priv_data;
1101         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1102
1103         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1104 }
1105
1106 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1107 {
1108         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1109
1110         saa7134_dma_free(q,buf);
1111 }
1112
1113 static struct videobuf_queue_ops video_qops = {
1114         .buf_setup    = buffer_setup,
1115         .buf_prepare  = buffer_prepare,
1116         .buf_queue    = buffer_queue,
1117         .buf_release  = buffer_release,
1118 };
1119
1120 /* ------------------------------------------------------------------ */
1121
1122 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1123 {
1124         const struct v4l2_queryctrl* ctrl;
1125
1126         ctrl = ctrl_by_id(c->id);
1127         if (NULL == ctrl)
1128                 return -EINVAL;
1129         switch (c->id) {
1130         case V4L2_CID_BRIGHTNESS:
1131                 c->value = dev->ctl_bright;
1132                 break;
1133         case V4L2_CID_HUE:
1134                 c->value = dev->ctl_hue;
1135                 break;
1136         case V4L2_CID_CONTRAST:
1137                 c->value = dev->ctl_contrast;
1138                 break;
1139         case V4L2_CID_SATURATION:
1140                 c->value = dev->ctl_saturation;
1141                 break;
1142         case V4L2_CID_AUDIO_MUTE:
1143                 c->value = dev->ctl_mute;
1144                 break;
1145         case V4L2_CID_AUDIO_VOLUME:
1146                 c->value = dev->ctl_volume;
1147                 break;
1148         case V4L2_CID_PRIVATE_INVERT:
1149                 c->value = dev->ctl_invert;
1150                 break;
1151         case V4L2_CID_HFLIP:
1152                 c->value = dev->ctl_mirror;
1153                 break;
1154         case V4L2_CID_PRIVATE_Y_EVEN:
1155                 c->value = dev->ctl_y_even;
1156                 break;
1157         case V4L2_CID_PRIVATE_Y_ODD:
1158                 c->value = dev->ctl_y_odd;
1159                 break;
1160         case V4L2_CID_PRIVATE_AUTOMUTE:
1161                 c->value = dev->ctl_automute;
1162                 break;
1163         default:
1164                 return -EINVAL;
1165         }
1166         return 0;
1167 }
1168
1169 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1170                        struct v4l2_control *c)
1171 {
1172         const struct v4l2_queryctrl* ctrl;
1173         unsigned long flags;
1174         int restart_overlay = 0;
1175
1176         ctrl = ctrl_by_id(c->id);
1177         if (NULL == ctrl)
1178                 return -EINVAL;
1179         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1180         switch (ctrl->type) {
1181         case V4L2_CTRL_TYPE_BOOLEAN:
1182         case V4L2_CTRL_TYPE_MENU:
1183         case V4L2_CTRL_TYPE_INTEGER:
1184                 if (c->value < ctrl->minimum)
1185                         c->value = ctrl->minimum;
1186                 if (c->value > ctrl->maximum)
1187                         c->value = ctrl->maximum;
1188                 break;
1189         default:
1190                 /* nothing */;
1191         };
1192         switch (c->id) {
1193         case V4L2_CID_BRIGHTNESS:
1194                 dev->ctl_bright = c->value;
1195                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1196                 break;
1197         case V4L2_CID_HUE:
1198                 dev->ctl_hue = c->value;
1199                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1200                 break;
1201         case V4L2_CID_CONTRAST:
1202                 dev->ctl_contrast = c->value;
1203                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1204                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1205                 break;
1206         case V4L2_CID_SATURATION:
1207                 dev->ctl_saturation = c->value;
1208                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1209                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1210                 break;
1211         case V4L2_CID_AUDIO_MUTE:
1212                 dev->ctl_mute = c->value;
1213                 saa7134_tvaudio_setmute(dev);
1214                 break;
1215         case V4L2_CID_AUDIO_VOLUME:
1216                 dev->ctl_volume = c->value;
1217                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1218                 break;
1219         case V4L2_CID_PRIVATE_INVERT:
1220                 dev->ctl_invert = c->value;
1221                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1222                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1223                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1224                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1225                 break;
1226         case V4L2_CID_HFLIP:
1227                 dev->ctl_mirror = c->value;
1228                 restart_overlay = 1;
1229                 break;
1230         case V4L2_CID_PRIVATE_Y_EVEN:
1231                 dev->ctl_y_even = c->value;
1232                 restart_overlay = 1;
1233                 break;
1234         case V4L2_CID_PRIVATE_Y_ODD:
1235                 dev->ctl_y_odd = c->value;
1236                 restart_overlay = 1;
1237                 break;
1238         case V4L2_CID_PRIVATE_AUTOMUTE:
1239         {
1240                 struct v4l2_priv_tun_config tda9887_cfg;
1241
1242                 tda9887_cfg.tuner = TUNER_TDA9887;
1243                 tda9887_cfg.priv = &dev->tda9887_conf;
1244
1245                 dev->ctl_automute = c->value;
1246                 if (dev->tda9887_conf) {
1247                         if (dev->ctl_automute)
1248                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1249                         else
1250                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1251
1252                         saa7134_i2c_call_clients(dev, TUNER_SET_CONFIG,
1253                                                  &tda9887_cfg);
1254                 }
1255                 break;
1256         }
1257         default:
1258                 return -EINVAL;
1259         }
1260         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1261                 spin_lock_irqsave(&dev->slock,flags);
1262                 stop_preview(dev,fh);
1263                 start_preview(dev,fh);
1264                 spin_unlock_irqrestore(&dev->slock,flags);
1265         }
1266         return 0;
1267 }
1268
1269 /* ------------------------------------------------------------------ */
1270
1271 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1272 {
1273         struct videobuf_queue* q = NULL;
1274
1275         switch (fh->type) {
1276         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1277                 q = &fh->cap;
1278                 break;
1279         case V4L2_BUF_TYPE_VBI_CAPTURE:
1280                 q = &fh->vbi;
1281                 break;
1282         default:
1283                 BUG();
1284         }
1285         return q;
1286 }
1287
1288 static int saa7134_resource(struct saa7134_fh *fh)
1289 {
1290         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1291                 return RESOURCE_VIDEO;
1292
1293         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1294                 return RESOURCE_VBI;
1295
1296         BUG();
1297         return 0;
1298 }
1299
1300 static int video_open(struct inode *inode, struct file *file)
1301 {
1302         int minor = iminor(inode);
1303         struct saa7134_dev *dev;
1304         struct saa7134_fh *fh;
1305         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1306         int radio = 0;
1307         list_for_each_entry(dev, &saa7134_devlist, devlist) {
1308                 if (dev->video_dev && (dev->video_dev->minor == minor))
1309                         goto found;
1310                 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1311                         radio = 1;
1312                         goto found;
1313                 }
1314                 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1315                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1316                         goto found;
1317                 }
1318         }
1319         return -ENODEV;
1320  found:
1321
1322         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1323                 v4l2_type_names[type]);
1324
1325         /* allocate + initialize per filehandle data */
1326         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1327         if (NULL == fh)
1328                 return -ENOMEM;
1329         file->private_data = fh;
1330         fh->dev      = dev;
1331         fh->radio    = radio;
1332         fh->type     = type;
1333         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1334         fh->width    = 720;
1335         fh->height   = 576;
1336         v4l2_prio_open(&dev->prio,&fh->prio);
1337
1338         videobuf_queue_pci_init(&fh->cap, &video_qops,
1339                             dev->pci, &dev->slock,
1340                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1341                             V4L2_FIELD_INTERLACED,
1342                             sizeof(struct saa7134_buf),
1343                             fh);
1344         videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1345                             dev->pci, &dev->slock,
1346                             V4L2_BUF_TYPE_VBI_CAPTURE,
1347                             V4L2_FIELD_SEQ_TB,
1348                             sizeof(struct saa7134_buf),
1349                             fh);
1350         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1351         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1352
1353         if (fh->radio) {
1354                 /* switch to radio mode */
1355                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1356                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1357         } else {
1358                 /* switch to video/vbi mode */
1359                 video_mux(dev,dev->ctl_input);
1360         }
1361         return 0;
1362 }
1363
1364 static ssize_t
1365 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1366 {
1367         struct saa7134_fh *fh = file->private_data;
1368
1369         switch (fh->type) {
1370         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1371                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1372                         return -EBUSY;
1373                 return videobuf_read_one(saa7134_queue(fh),
1374                                          data, count, ppos,
1375                                          file->f_flags & O_NONBLOCK);
1376         case V4L2_BUF_TYPE_VBI_CAPTURE:
1377                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1378                         return -EBUSY;
1379                 return videobuf_read_stream(saa7134_queue(fh),
1380                                             data, count, ppos, 1,
1381                                             file->f_flags & O_NONBLOCK);
1382                 break;
1383         default:
1384                 BUG();
1385                 return 0;
1386         }
1387 }
1388
1389 static unsigned int
1390 video_poll(struct file *file, struct poll_table_struct *wait)
1391 {
1392         struct saa7134_fh *fh = file->private_data;
1393         struct videobuf_buffer *buf = NULL;
1394
1395         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1396                 return videobuf_poll_stream(file, &fh->vbi, wait);
1397
1398         if (res_check(fh,RESOURCE_VIDEO)) {
1399                 if (!list_empty(&fh->cap.stream))
1400                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1401         } else {
1402                 mutex_lock(&fh->cap.lock);
1403                 if (UNSET == fh->cap.read_off) {
1404                         /* need to capture a new frame */
1405                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1406                                 mutex_unlock(&fh->cap.lock);
1407                                 return POLLERR;
1408                         }
1409                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1410                                 mutex_unlock(&fh->cap.lock);
1411                                 return POLLERR;
1412                         }
1413                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1414                         fh->cap.read_off = 0;
1415                 }
1416                 mutex_unlock(&fh->cap.lock);
1417                 buf = fh->cap.read_buf;
1418         }
1419
1420         if (!buf)
1421                 return POLLERR;
1422
1423         poll_wait(file, &buf->done, wait);
1424         if (buf->state == VIDEOBUF_DONE ||
1425             buf->state == VIDEOBUF_ERROR)
1426                 return POLLIN|POLLRDNORM;
1427         return 0;
1428 }
1429
1430 static int video_release(struct inode *inode, struct file *file)
1431 {
1432         struct saa7134_fh  *fh  = file->private_data;
1433         struct saa7134_dev *dev = fh->dev;
1434         unsigned long flags;
1435
1436         /* turn off overlay */
1437         if (res_check(fh, RESOURCE_OVERLAY)) {
1438                 spin_lock_irqsave(&dev->slock,flags);
1439                 stop_preview(dev,fh);
1440                 spin_unlock_irqrestore(&dev->slock,flags);
1441                 res_free(dev,fh,RESOURCE_OVERLAY);
1442         }
1443
1444         /* stop video capture */
1445         if (res_check(fh, RESOURCE_VIDEO)) {
1446                 videobuf_streamoff(&fh->cap);
1447                 res_free(dev,fh,RESOURCE_VIDEO);
1448         }
1449         if (fh->cap.read_buf) {
1450                 buffer_release(&fh->cap,fh->cap.read_buf);
1451                 kfree(fh->cap.read_buf);
1452         }
1453
1454         /* stop vbi capture */
1455         if (res_check(fh, RESOURCE_VBI)) {
1456                 videobuf_stop(&fh->vbi);
1457                 res_free(dev,fh,RESOURCE_VBI);
1458         }
1459
1460         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1461         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1462         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1463         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1464         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1465
1466         saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1467
1468         /* free stuff */
1469         videobuf_mmap_free(&fh->cap);
1470         videobuf_mmap_free(&fh->vbi);
1471         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1472         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1473
1474         v4l2_prio_close(&dev->prio,&fh->prio);
1475         file->private_data = NULL;
1476         kfree(fh);
1477         return 0;
1478 }
1479
1480 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1481 {
1482         struct saa7134_fh *fh = file->private_data;
1483
1484         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1485 }
1486
1487 /* ------------------------------------------------------------------ */
1488
1489 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1490 {
1491         struct saa7134_tvnorm *norm = dev->tvnorm;
1492
1493         f->fmt.vbi.sampling_rate = 6750000 * 4;
1494         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1495         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1496         f->fmt.vbi.offset = 64 * 4;
1497         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1498         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1499         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1500         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1501         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1502
1503 }
1504
1505 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1506                          struct v4l2_format *f)
1507 {
1508         switch (f->type) {
1509         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1510                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1511                 f->fmt.pix.width        = fh->width;
1512                 f->fmt.pix.height       = fh->height;
1513                 f->fmt.pix.field        = fh->cap.field;
1514                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1515                 f->fmt.pix.bytesperline =
1516                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1517                 f->fmt.pix.sizeimage =
1518                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1519                 return 0;
1520         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1521                 if (saa7134_no_overlay > 0) {
1522                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1523                         return -EINVAL;
1524                 }
1525                 f->fmt.win = fh->win;
1526                 return 0;
1527         case V4L2_BUF_TYPE_VBI_CAPTURE:
1528                 saa7134_vbi_fmt(dev,f);
1529                 return 0;
1530         default:
1531                 return -EINVAL;
1532         }
1533 }
1534
1535 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1536                            struct v4l2_format *f)
1537 {
1538         int err;
1539
1540         switch (f->type) {
1541         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1542         {
1543                 struct saa7134_format *fmt;
1544                 enum v4l2_field field;
1545                 unsigned int maxw, maxh;
1546
1547                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1548                 if (NULL == fmt)
1549                         return -EINVAL;
1550
1551                 field = f->fmt.pix.field;
1552                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1553                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1554
1555                 if (V4L2_FIELD_ANY == field) {
1556                         field = (f->fmt.pix.height > maxh/2)
1557                                 ? V4L2_FIELD_INTERLACED
1558                                 : V4L2_FIELD_BOTTOM;
1559                 }
1560                 switch (field) {
1561                 case V4L2_FIELD_TOP:
1562                 case V4L2_FIELD_BOTTOM:
1563                         maxh = maxh / 2;
1564                         break;
1565                 case V4L2_FIELD_INTERLACED:
1566                         break;
1567                 default:
1568                         return -EINVAL;
1569                 }
1570
1571                 f->fmt.pix.field = field;
1572                 if (f->fmt.pix.width  < 48)
1573                         f->fmt.pix.width  = 48;
1574                 if (f->fmt.pix.height < 32)
1575                         f->fmt.pix.height = 32;
1576                 if (f->fmt.pix.width > maxw)
1577                         f->fmt.pix.width = maxw;
1578                 if (f->fmt.pix.height > maxh)
1579                         f->fmt.pix.height = maxh;
1580                 f->fmt.pix.width &= ~0x03;
1581                 f->fmt.pix.bytesperline =
1582                         (f->fmt.pix.width * fmt->depth) >> 3;
1583                 f->fmt.pix.sizeimage =
1584                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1585
1586                 return 0;
1587         }
1588         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1589                 if (saa7134_no_overlay > 0) {
1590                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1591                         return -EINVAL;
1592                 }
1593                 err = verify_preview(dev,&f->fmt.win);
1594                 if (0 != err)
1595                         return err;
1596                 return 0;
1597         case V4L2_BUF_TYPE_VBI_CAPTURE:
1598                 saa7134_vbi_fmt(dev,f);
1599                 return 0;
1600         default:
1601                 return -EINVAL;
1602         }
1603 }
1604
1605 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1606                          struct v4l2_format *f)
1607 {
1608         unsigned long flags;
1609         int err;
1610
1611         switch (f->type) {
1612         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1613                 err = saa7134_try_fmt(dev,fh,f);
1614                 if (0 != err)
1615                         return err;
1616
1617                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1618                 fh->width     = f->fmt.pix.width;
1619                 fh->height    = f->fmt.pix.height;
1620                 fh->cap.field = f->fmt.pix.field;
1621                 return 0;
1622         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1623                 if (saa7134_no_overlay > 0) {
1624                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1625                         return -EINVAL;
1626                 }
1627                 err = verify_preview(dev,&f->fmt.win);
1628                 if (0 != err)
1629                         return err;
1630
1631                 mutex_lock(&dev->lock);
1632                 fh->win    = f->fmt.win;
1633                 fh->nclips = f->fmt.win.clipcount;
1634                 if (fh->nclips > 8)
1635                         fh->nclips = 8;
1636                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1637                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1638                         mutex_unlock(&dev->lock);
1639                         return -EFAULT;
1640                 }
1641
1642                 if (res_check(fh, RESOURCE_OVERLAY)) {
1643                         spin_lock_irqsave(&dev->slock,flags);
1644                         stop_preview(dev,fh);
1645                         start_preview(dev,fh);
1646                         spin_unlock_irqrestore(&dev->slock,flags);
1647                 }
1648                 mutex_unlock(&dev->lock);
1649                 return 0;
1650         case V4L2_BUF_TYPE_VBI_CAPTURE:
1651                 saa7134_vbi_fmt(dev,f);
1652                 return 0;
1653         default:
1654                 return -EINVAL;
1655         }
1656 }
1657
1658 int saa7134_common_ioctl(struct saa7134_dev *dev,
1659                          unsigned int cmd, void *arg)
1660 {
1661         int err;
1662
1663         switch (cmd) {
1664         case VIDIOC_QUERYCTRL:
1665         {
1666                 const struct v4l2_queryctrl *ctrl;
1667                 struct v4l2_queryctrl *c = arg;
1668
1669                 if ((c->id <  V4L2_CID_BASE ||
1670                      c->id >= V4L2_CID_LASTP1) &&
1671                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1672                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1673                         return -EINVAL;
1674                 ctrl = ctrl_by_id(c->id);
1675                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1676                 return 0;
1677         }
1678         case VIDIOC_G_CTRL:
1679                 return get_control(dev,arg);
1680         case VIDIOC_S_CTRL:
1681         {
1682                 mutex_lock(&dev->lock);
1683                 err = set_control(dev,NULL,arg);
1684                 mutex_unlock(&dev->lock);
1685                 return err;
1686         }
1687         /* --- input switching --------------------------------------- */
1688         case VIDIOC_ENUMINPUT:
1689         {
1690                 struct v4l2_input *i = arg;
1691                 unsigned int n;
1692
1693                 n = i->index;
1694                 if (n >= SAA7134_INPUT_MAX)
1695                         return -EINVAL;
1696                 if (NULL == card_in(dev,i->index).name)
1697                         return -EINVAL;
1698                 memset(i,0,sizeof(*i));
1699                 i->index = n;
1700                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1701                 strcpy(i->name,card_in(dev,n).name);
1702                 if (card_in(dev,n).tv)
1703                         i->type = V4L2_INPUT_TYPE_TUNER;
1704                 i->audioset = 1;
1705                 if (n == dev->ctl_input) {
1706                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1707                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1708
1709                         if (0 != (v1 & 0x40))
1710                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1711                         if (0 != (v2 & 0x40))
1712                                 i->status |= V4L2_IN_ST_NO_SYNC;
1713                         if (0 != (v2 & 0x0e))
1714                                 i->status |= V4L2_IN_ST_MACROVISION;
1715                 }
1716                 for (n = 0; n < TVNORMS; n++)
1717                         i->std |= tvnorms[n].id;
1718                 return 0;
1719         }
1720         case VIDIOC_G_INPUT:
1721         {
1722                 int *i = arg;
1723                 *i = dev->ctl_input;
1724                 return 0;
1725         }
1726         case VIDIOC_S_INPUT:
1727         {
1728                 int *i = arg;
1729
1730                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1731                         return -EINVAL;
1732                 if (NULL == card_in(dev,*i).name)
1733                         return -EINVAL;
1734                 mutex_lock(&dev->lock);
1735                 video_mux(dev,*i);
1736                 mutex_unlock(&dev->lock);
1737                 return 0;
1738         }
1739
1740         }
1741         return 0;
1742 }
1743 EXPORT_SYMBOL(saa7134_common_ioctl);
1744
1745 /*
1746  * This function is _not_ called directly, but from
1747  * video_generic_ioctl (and maybe others).  userspace
1748  * copying is done already, arg is a kernel pointer.
1749  */
1750 static int video_do_ioctl(struct inode *inode, struct file *file,
1751                           unsigned int cmd, void *arg)
1752 {
1753         struct saa7134_fh *fh = file->private_data;
1754         struct saa7134_dev *dev = fh->dev;
1755         unsigned long flags;
1756         int err;
1757
1758         if (video_debug > 1)
1759                 v4l_print_ioctl(dev->name,cmd);
1760
1761         switch (cmd) {
1762         case VIDIOC_S_CTRL:
1763         case VIDIOC_S_STD:
1764         case VIDIOC_S_INPUT:
1765         case VIDIOC_S_TUNER:
1766         case VIDIOC_S_FREQUENCY:
1767                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1768                 if (0 != err)
1769                         return err;
1770         }
1771
1772         switch (cmd) {
1773         case VIDIOC_QUERYCAP:
1774         {
1775                 struct v4l2_capability *cap = arg;
1776                 unsigned int tuner_type = dev->tuner_type;
1777
1778                 memset(cap,0,sizeof(*cap));
1779                 strcpy(cap->driver, "saa7134");
1780                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1781                         sizeof(cap->card));
1782                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1783                 cap->version = SAA7134_VERSION_CODE;
1784                 cap->capabilities =
1785                         V4L2_CAP_VIDEO_CAPTURE |
1786                         V4L2_CAP_VBI_CAPTURE |
1787                         V4L2_CAP_READWRITE |
1788                         V4L2_CAP_STREAMING |
1789                         V4L2_CAP_TUNER;
1790                 if (saa7134_no_overlay <= 0) {
1791                         cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1792                 }
1793
1794                 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1795                         cap->capabilities &= ~V4L2_CAP_TUNER;
1796
1797                 return 0;
1798         }
1799
1800         /* --- tv standards ------------------------------------------ */
1801         case VIDIOC_ENUMSTD:
1802         {
1803                 struct v4l2_standard *e = arg;
1804                 unsigned int i;
1805
1806                 i = e->index;
1807                 if (i >= TVNORMS)
1808                         return -EINVAL;
1809                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1810                                                tvnorms[e->index].name);
1811                 e->index = i;
1812                 if (err < 0)
1813                         return err;
1814                 return 0;
1815         }
1816         case VIDIOC_G_STD:
1817         {
1818                 v4l2_std_id *id = arg;
1819
1820                 *id = dev->tvnorm->id;
1821                 return 0;
1822         }
1823         case VIDIOC_S_STD:
1824         {
1825                 v4l2_std_id *id = arg;
1826                 unsigned int i;
1827                 v4l2_std_id fixup;
1828
1829                 for (i = 0; i < TVNORMS; i++)
1830                         if (*id == tvnorms[i].id)
1831                                 break;
1832                 if (i == TVNORMS)
1833                         for (i = 0; i < TVNORMS; i++)
1834                                 if (*id & tvnorms[i].id)
1835                                         break;
1836                 if (i == TVNORMS)
1837                         return -EINVAL;
1838                 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1839                         if (secam[0] == 'L' || secam[0] == 'l') {
1840                                 if (secam[1] == 'C' || secam[1] == 'c')
1841                                         fixup = V4L2_STD_SECAM_LC;
1842                                 else
1843                                         fixup = V4L2_STD_SECAM_L;
1844                         } else {
1845                                 if (secam[0] == 'D' || secam[0] == 'd')
1846                                         fixup = V4L2_STD_SECAM_DK;
1847                                 else
1848                                         fixup = V4L2_STD_SECAM;
1849                         }
1850                         for (i = 0; i < TVNORMS; i++)
1851                                 if (fixup == tvnorms[i].id)
1852                                         break;
1853                 }
1854                 mutex_lock(&dev->lock);
1855                 if (res_check(fh, RESOURCE_OVERLAY)) {
1856                         spin_lock_irqsave(&dev->slock,flags);
1857                         stop_preview(dev,fh);
1858                         spin_unlock_irqrestore(&dev->slock, flags);
1859
1860                         set_tvnorm(dev,&tvnorms[i]);
1861
1862                         spin_lock_irqsave(&dev->slock, flags);
1863                         start_preview(dev,fh);
1864                         spin_unlock_irqrestore(&dev->slock,flags);
1865                 } else
1866                         set_tvnorm(dev,&tvnorms[i]);
1867                 saa7134_tvaudio_do_scan(dev);
1868                 mutex_unlock(&dev->lock);
1869                 return 0;
1870         }
1871
1872         case VIDIOC_CROPCAP:
1873         {
1874                 struct v4l2_cropcap *cap = arg;
1875
1876                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1877                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1878                         return -EINVAL;
1879                 cap->bounds  = dev->crop_bounds;
1880                 cap->defrect = dev->crop_defrect;
1881                 cap->pixelaspect.numerator   = 1;
1882                 cap->pixelaspect.denominator = 1;
1883                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1884                         cap->pixelaspect.numerator   = 11;
1885                         cap->pixelaspect.denominator = 10;
1886                 }
1887                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1888                         cap->pixelaspect.numerator   = 54;
1889                         cap->pixelaspect.denominator = 59;
1890                 }
1891                 return 0;
1892         }
1893
1894         case VIDIOC_G_CROP:
1895         {
1896                 struct v4l2_crop * crop = arg;
1897
1898                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1899                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1900                         return -EINVAL;
1901                 crop->c = dev->crop_current;
1902                 return 0;
1903         }
1904         case VIDIOC_S_CROP:
1905         {
1906                 struct v4l2_crop *crop = arg;
1907                 struct v4l2_rect *b = &dev->crop_bounds;
1908
1909                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1910                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1911                         return -EINVAL;
1912                 if (crop->c.height < 0)
1913                         return -EINVAL;
1914                 if (crop->c.width < 0)
1915                         return -EINVAL;
1916
1917                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1918                         return -EBUSY;
1919                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1920                         return -EBUSY;
1921
1922                 if (crop->c.top < b->top)
1923                         crop->c.top = b->top;
1924                 if (crop->c.top > b->top + b->height)
1925                         crop->c.top = b->top + b->height;
1926                 if (crop->c.height > b->top - crop->c.top + b->height)
1927                         crop->c.height = b->top - crop->c.top + b->height;
1928
1929                 if (crop->c.left < b->left)
1930                         crop->c.left = b->left;
1931                 if (crop->c.left > b->left + b->width)
1932                         crop->c.left = b->left + b->width;
1933                 if (crop->c.width > b->left - crop->c.left + b->width)
1934                         crop->c.width = b->left - crop->c.left + b->width;
1935
1936                 dev->crop_current = crop->c;
1937                 return 0;
1938         }
1939
1940         /* --- tuner ioctls ------------------------------------------ */
1941         case VIDIOC_G_TUNER:
1942         {
1943                 struct v4l2_tuner *t = arg;
1944                 int n;
1945
1946                 if (0 != t->index)
1947                         return -EINVAL;
1948                 memset(t,0,sizeof(*t));
1949                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1950                         if (card_in(dev,n).tv)
1951                                 break;
1952                 if (NULL != card_in(dev,n).name) {
1953                         strcpy(t->name, "Television");
1954                         t->type = V4L2_TUNER_ANALOG_TV;
1955                         t->capability = V4L2_TUNER_CAP_NORM |
1956                                 V4L2_TUNER_CAP_STEREO |
1957                                 V4L2_TUNER_CAP_LANG1 |
1958                                 V4L2_TUNER_CAP_LANG2;
1959                         t->rangehigh = 0xffffffffUL;
1960                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1961                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1962                 }
1963                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1964                         t->signal = 0xffff;
1965                 return 0;
1966         }
1967         case VIDIOC_S_TUNER:
1968         {
1969                 struct v4l2_tuner *t = arg;
1970                 int rx,mode;
1971
1972                 mode = dev->thread.mode;
1973                 if (UNSET == mode) {
1974                         rx   = saa7134_tvaudio_getstereo(dev);
1975                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1976                 }
1977                 if (mode != t->audmode) {
1978                         dev->thread.mode = t->audmode;
1979                 }
1980                 return 0;
1981         }
1982         case VIDIOC_G_FREQUENCY:
1983         {
1984                 struct v4l2_frequency *f = arg;
1985
1986                 memset(f,0,sizeof(*f));
1987                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1988                 f->frequency = dev->ctl_freq;
1989                 return 0;
1990         }
1991         case VIDIOC_S_FREQUENCY:
1992         {
1993                 struct v4l2_frequency *f = arg;
1994
1995                 if (0 != f->tuner)
1996                         return -EINVAL;
1997                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1998                         return -EINVAL;
1999                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2000                         return -EINVAL;
2001                 mutex_lock(&dev->lock);
2002                 dev->ctl_freq = f->frequency;
2003
2004                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
2005
2006                 saa7134_tvaudio_do_scan(dev);
2007                 mutex_unlock(&dev->lock);
2008                 return 0;
2009         }
2010
2011         /* --- control ioctls ---------------------------------------- */
2012         case VIDIOC_ENUMINPUT:
2013         case VIDIOC_G_INPUT:
2014         case VIDIOC_S_INPUT:
2015         case VIDIOC_QUERYCTRL:
2016         case VIDIOC_G_CTRL:
2017         case VIDIOC_S_CTRL:
2018                 return saa7134_common_ioctl(dev, cmd, arg);
2019
2020         case VIDIOC_G_AUDIO:
2021         {
2022                 struct v4l2_audio *a = arg;
2023
2024                 memset(a,0,sizeof(*a));
2025                 strcpy(a->name,"audio");
2026                 return 0;
2027         }
2028         case VIDIOC_S_AUDIO:
2029                 return 0;
2030         case VIDIOC_G_PARM:
2031         {
2032                 struct v4l2_captureparm *parm = arg;
2033                 memset(parm,0,sizeof(*parm));
2034                 return 0;
2035         }
2036
2037         case VIDIOC_G_PRIORITY:
2038         {
2039                 enum v4l2_priority *p = arg;
2040
2041                 *p = v4l2_prio_max(&dev->prio);
2042                 return 0;
2043         }
2044         case VIDIOC_S_PRIORITY:
2045         {
2046                 enum v4l2_priority *prio = arg;
2047
2048                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2049         }
2050
2051         /* --- preview ioctls ---------------------------------------- */
2052         case VIDIOC_ENUM_FMT:
2053         {
2054                 struct v4l2_fmtdesc *f = arg;
2055                 enum v4l2_buf_type type;
2056                 unsigned int index;
2057
2058                 index = f->index;
2059                 type  = f->type;
2060                 switch (type) {
2061                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2062                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2063                         if (saa7134_no_overlay > 0) {
2064                                 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2065                                 return -EINVAL;
2066                         }
2067                         if (index >= FORMATS)
2068                                 return -EINVAL;
2069                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2070                             formats[index].planar)
2071                                 return -EINVAL;
2072                         memset(f,0,sizeof(*f));
2073                         f->index = index;
2074                         f->type  = type;
2075                         strlcpy(f->description,formats[index].name,sizeof(f->description));
2076                         f->pixelformat = formats[index].fourcc;
2077                         break;
2078                 case V4L2_BUF_TYPE_VBI_CAPTURE:
2079                         if (0 != index)
2080                                 return -EINVAL;
2081                         memset(f,0,sizeof(*f));
2082                         f->index = index;
2083                         f->type  = type;
2084                         f->pixelformat = V4L2_PIX_FMT_GREY;
2085                         strcpy(f->description,"vbi data");
2086                         break;
2087                 default:
2088                         return -EINVAL;
2089                 }
2090                 return 0;
2091         }
2092         case VIDIOC_G_FBUF:
2093         {
2094                 struct v4l2_framebuffer *fb = arg;
2095
2096                 *fb = dev->ovbuf;
2097                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2098                 return 0;
2099         }
2100         case VIDIOC_S_FBUF:
2101         {
2102                 struct v4l2_framebuffer *fb = arg;
2103                 struct saa7134_format *fmt;
2104
2105                 if(!capable(CAP_SYS_ADMIN) &&
2106                    !capable(CAP_SYS_RAWIO))
2107                         return -EPERM;
2108
2109                 /* check args */
2110                 fmt = format_by_fourcc(fb->fmt.pixelformat);
2111                 if (NULL == fmt)
2112                         return -EINVAL;
2113
2114                 /* ok, accept it */
2115                 dev->ovbuf = *fb;
2116                 dev->ovfmt = fmt;
2117                 if (0 == dev->ovbuf.fmt.bytesperline)
2118                         dev->ovbuf.fmt.bytesperline =
2119                                 dev->ovbuf.fmt.width*fmt->depth/8;
2120                 return 0;
2121         }
2122         case VIDIOC_OVERLAY:
2123         {
2124                 int *on = arg;
2125
2126                 if (*on) {
2127                         if (saa7134_no_overlay > 0) {
2128                                 printk ("no_overlay\n");
2129                                 return -EINVAL;
2130                         }
2131
2132                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
2133                                 return -EBUSY;
2134                         spin_lock_irqsave(&dev->slock,flags);
2135                         start_preview(dev,fh);
2136                         spin_unlock_irqrestore(&dev->slock,flags);
2137                 }
2138                 if (!*on) {
2139                         if (!res_check(fh, RESOURCE_OVERLAY))
2140                                 return -EINVAL;
2141                         spin_lock_irqsave(&dev->slock,flags);
2142                         stop_preview(dev,fh);
2143                         spin_unlock_irqrestore(&dev->slock,flags);
2144                         res_free(dev,fh,RESOURCE_OVERLAY);
2145                 }
2146                 return 0;
2147         }
2148
2149         /* --- capture ioctls ---------------------------------------- */
2150         case VIDIOC_G_FMT:
2151         {
2152                 struct v4l2_format *f = arg;
2153                 return saa7134_g_fmt(dev,fh,f);
2154         }
2155         case VIDIOC_S_FMT:
2156         {
2157                 struct v4l2_format *f = arg;
2158                 return saa7134_s_fmt(dev,fh,f);
2159         }
2160         case VIDIOC_TRY_FMT:
2161         {
2162                 struct v4l2_format *f = arg;
2163                 return saa7134_try_fmt(dev,fh,f);
2164         }
2165 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2166         case VIDIOCGMBUF:
2167                 return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers);
2168 #endif
2169         case VIDIOC_REQBUFS:
2170                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2171
2172         case VIDIOC_QUERYBUF:
2173                 return videobuf_querybuf(saa7134_queue(fh),arg);
2174
2175         case VIDIOC_QBUF:
2176                 return videobuf_qbuf(saa7134_queue(fh),arg);
2177
2178         case VIDIOC_DQBUF:
2179                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2180                                       file->f_flags & O_NONBLOCK);
2181
2182         case VIDIOC_STREAMON:
2183         {
2184                 int res = saa7134_resource(fh);
2185
2186                 if (!res_get(dev,fh,res))
2187                         return -EBUSY;
2188                 return videobuf_streamon(saa7134_queue(fh));
2189         }
2190         case VIDIOC_STREAMOFF:
2191         {
2192                 int res = saa7134_resource(fh);
2193
2194                 err = videobuf_streamoff(saa7134_queue(fh));
2195                 if (err < 0)
2196                         return err;
2197                 res_free(dev,fh,res);
2198                 return 0;
2199         }
2200
2201         default:
2202                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2203                                                   video_do_ioctl);
2204         }
2205         return 0;
2206 }
2207
2208 static int video_ioctl(struct inode *inode, struct file *file,
2209                        unsigned int cmd, unsigned long arg)
2210 {
2211         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2212 }
2213
2214 static int radio_do_ioctl(struct inode *inode, struct file *file,
2215                           unsigned int cmd, void *arg)
2216 {
2217         struct saa7134_fh *fh = file->private_data;
2218         struct saa7134_dev *dev = fh->dev;
2219
2220         if (video_debug > 1)
2221                 v4l_print_ioctl(dev->name,cmd);
2222         switch (cmd) {
2223         case VIDIOC_QUERYCAP:
2224         {
2225                 struct v4l2_capability *cap = arg;
2226
2227                 memset(cap,0,sizeof(*cap));
2228                 strcpy(cap->driver, "saa7134");
2229                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2230                         sizeof(cap->card));
2231                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2232                 cap->version = SAA7134_VERSION_CODE;
2233                 cap->capabilities = V4L2_CAP_TUNER;
2234                 return 0;
2235         }
2236         case VIDIOC_G_TUNER:
2237         {
2238                 struct v4l2_tuner *t = arg;
2239
2240                 if (0 != t->index)
2241                         return -EINVAL;
2242
2243                 memset(t,0,sizeof(*t));
2244                 strcpy(t->name, "Radio");
2245                 t->type = V4L2_TUNER_RADIO;
2246
2247                 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2248                 if (dev->input->amux == TV) {
2249                         t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2250                         t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2251                                         V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2252                 }
2253                 return 0;
2254         }
2255         case VIDIOC_S_TUNER:
2256         {
2257                 struct v4l2_tuner *t = arg;
2258
2259                 if (0 != t->index)
2260                         return -EINVAL;
2261
2262                 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2263
2264                 return 0;
2265         }
2266         case VIDIOC_ENUMINPUT:
2267         {
2268                 struct v4l2_input *i = arg;
2269
2270                 if (i->index != 0)
2271                         return -EINVAL;
2272                 strcpy(i->name,"Radio");
2273                 i->type = V4L2_INPUT_TYPE_TUNER;
2274                 return 0;
2275         }
2276         case VIDIOC_G_INPUT:
2277         {
2278                 int *i = arg;
2279                 *i = 0;
2280                 return 0;
2281         }
2282         case VIDIOC_G_AUDIO:
2283         {
2284                 struct v4l2_audio *a = arg;
2285
2286                 memset(a,0,sizeof(*a));
2287                 strcpy(a->name,"Radio");
2288                 return 0;
2289         }
2290         case VIDIOC_G_STD:
2291         {
2292                 v4l2_std_id *id = arg;
2293                 *id = 0;
2294                 return 0;
2295         }
2296         case VIDIOC_S_AUDIO:
2297         case VIDIOC_S_INPUT:
2298         case VIDIOC_S_STD:
2299                 return 0;
2300
2301         case VIDIOC_QUERYCTRL:
2302         {
2303                 const struct v4l2_queryctrl *ctrl;
2304                 struct v4l2_queryctrl *c = arg;
2305
2306                 if (c->id <  V4L2_CID_BASE ||
2307                     c->id >= V4L2_CID_LASTP1)
2308                         return -EINVAL;
2309                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2310                         ctrl = ctrl_by_id(c->id);
2311                         *c = *ctrl;
2312                 } else
2313                         *c = no_ctrl;
2314                 return 0;
2315         }
2316
2317         case VIDIOC_G_CTRL:
2318         case VIDIOC_S_CTRL:
2319         case VIDIOC_G_FREQUENCY:
2320         case VIDIOC_S_FREQUENCY:
2321                 return video_do_ioctl(inode,file,cmd,arg);
2322
2323         default:
2324                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2325                                                   radio_do_ioctl);
2326         }
2327         return 0;
2328 }
2329
2330 static int radio_ioctl(struct inode *inode, struct file *file,
2331                        unsigned int cmd, unsigned long arg)
2332 {
2333         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2334 }
2335
2336 static const struct file_operations video_fops =
2337 {
2338         .owner    = THIS_MODULE,
2339         .open     = video_open,
2340         .release  = video_release,
2341         .read     = video_read,
2342         .poll     = video_poll,
2343         .mmap     = video_mmap,
2344         .ioctl    = video_ioctl,
2345         .compat_ioctl   = v4l_compat_ioctl32,
2346         .llseek   = no_llseek,
2347 };
2348
2349 static const struct file_operations radio_fops =
2350 {
2351         .owner    = THIS_MODULE,
2352         .open     = video_open,
2353         .release  = video_release,
2354         .ioctl    = radio_ioctl,
2355         .compat_ioctl   = v4l_compat_ioctl32,
2356         .llseek   = no_llseek,
2357 };
2358
2359 /* ----------------------------------------------------------- */
2360 /* exported stuff                                              */
2361
2362 struct video_device saa7134_video_template =
2363 {
2364         .name          = "saa7134-video",
2365         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
2366                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2367         .fops          = &video_fops,
2368         .minor         = -1,
2369 };
2370
2371 struct video_device saa7134_vbi_template =
2372 {
2373         .name          = "saa7134-vbi",
2374         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2375         .fops          = &video_fops,
2376         .minor         = -1,
2377 };
2378
2379 struct video_device saa7134_radio_template =
2380 {
2381         .name          = "saa7134-radio",
2382         .type          = VID_TYPE_TUNER,
2383         .fops          = &radio_fops,
2384         .minor         = -1,
2385 };
2386
2387 int saa7134_video_init1(struct saa7134_dev *dev)
2388 {
2389         /* sanitycheck insmod options */
2390         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2391                 gbuffers = 2;
2392         if (gbufsize < 0 || gbufsize > gbufsize_max)
2393                 gbufsize = gbufsize_max;
2394         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2395
2396         /* put some sensible defaults into the data structures ... */
2397         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2398         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2399         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2400         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2401         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2402         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2403         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2404         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2405
2406         if (dev->tda9887_conf && dev->ctl_automute)
2407                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2408         dev->automute       = 0;
2409
2410         INIT_LIST_HEAD(&dev->video_q.queue);
2411         init_timer(&dev->video_q.timeout);
2412         dev->video_q.timeout.function = saa7134_buffer_timeout;
2413         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2414         dev->video_q.dev              = dev;
2415
2416         if (saa7134_boards[dev->board].video_out)
2417                 saa7134_videoport_init(dev);
2418
2419         return 0;
2420 }
2421
2422 int saa7134_videoport_init(struct saa7134_dev *dev)
2423 {
2424         /* enable video output */
2425         int vo = saa7134_boards[dev->board].video_out;
2426         int video_reg;
2427         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2428         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2429         video_reg = video_out[vo][1];
2430         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2431                 video_reg &= ~VP_T_CODE_P_INVERTED;
2432         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2433         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2434         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2435         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2436         video_reg = video_out[vo][5];
2437         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2438                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2439         if (vid_port_opts & SET_CLOCK_INVERTED)
2440                 video_reg |= VP_CLK_CTRL1_INVERTED;
2441         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2442         video_reg = video_out[vo][6];
2443         if (vid_port_opts & SET_VSYNC_OFF) {
2444                 video_reg &= ~VP_VS_TYPE_MASK;
2445                 video_reg |= VP_VS_TYPE_OFF;
2446         }
2447         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2448         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2449         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2450
2451         return 0;
2452 }
2453
2454 int saa7134_video_init2(struct saa7134_dev *dev)
2455 {
2456         /* init video hw */
2457         set_tvnorm(dev,&tvnorms[0]);
2458         video_mux(dev,0);
2459         saa7134_tvaudio_setmute(dev);
2460         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2461         return 0;
2462 }
2463
2464 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2465 {
2466         static const char *st[] = {
2467                 "(no signal)", "NTSC", "PAL", "SECAM" };
2468         u32 st1,st2;
2469
2470         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2471         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2472         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2473                 (st1 & 0x40) ? "not locked" : "locked",
2474                 (st2 & 0x40) ? "no"         : "yes",
2475                 st[st1 & 0x03]);
2476         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2477
2478         if (dev->nosignal) {
2479                 /* no video signal -> mute audio */
2480                 if (dev->ctl_automute)
2481                         dev->automute = 1;
2482                 saa7134_tvaudio_setmute(dev);
2483         } else {
2484                 /* wake up tvaudio audio carrier scan thread */
2485                 saa7134_tvaudio_do_scan(dev);
2486         }
2487
2488         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2489                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2490         else
2491                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2492
2493         if (dev->mops && dev->mops->signal_change)
2494                 dev->mops->signal_change(dev);
2495 }
2496
2497
2498 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2499 {
2500         enum v4l2_field field;
2501
2502         spin_lock(&dev->slock);
2503         if (dev->video_q.curr) {
2504                 dev->video_fieldcount++;
2505                 field = dev->video_q.curr->vb.field;
2506                 if (V4L2_FIELD_HAS_BOTH(field)) {
2507                         /* make sure we have seen both fields */
2508                         if ((status & 0x10) == 0x00) {
2509                                 dev->video_q.curr->top_seen = 1;
2510                                 goto done;
2511                         }
2512                         if (!dev->video_q.curr->top_seen)
2513                                 goto done;
2514                 } else if (field == V4L2_FIELD_TOP) {
2515                         if ((status & 0x10) != 0x10)
2516                                 goto done;
2517                 } else if (field == V4L2_FIELD_BOTTOM) {
2518                         if ((status & 0x10) != 0x00)
2519                                 goto done;
2520                 }
2521                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2522                 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2523         }
2524         saa7134_buffer_next(dev,&dev->video_q);
2525
2526  done:
2527         spin_unlock(&dev->slock);
2528 }
2529
2530 /* ----------------------------------------------------------- */
2531 /*
2532  * Local variables:
2533  * c-basic-offset: 8
2534  * End:
2535  */