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 unsigned int video_debug;
  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&0x04) \
  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 #define SAA7134_NORMS   \
 221                 V4L2_STD_PAL    | V4L2_STD_PAL_N | \
 222                 V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \
 223                 V4L2_STD_NTSC   | V4L2_STD_PAL_M | \
 224                 V4L2_STD_PAL_60
 225
 226 static struct saa7134_tvnorm tvnorms[] = {
 227         {
 228                 .name          = "PAL", /* autodetect */
 229                 .id            = V4L2_STD_PAL,
 230                 NORM_625_50,
 231
 232                 .sync_control  = 0x18,
 233                 .luma_control  = 0x40,
 234                 .chroma_ctrl1  = 0x81,
 235                 .chroma_gain   = 0x2a,
 236                 .chroma_ctrl2  = 0x06,
 237                 .vgate_misc    = 0x1c,
 238
 239         },{
 240                 .name          = "PAL-BG",
 241                 .id            = V4L2_STD_PAL_BG,
 242                 NORM_625_50,
 243
 244                 .sync_control  = 0x18,
 245                 .luma_control  = 0x40,
 246                 .chroma_ctrl1  = 0x81,
 247                 .chroma_gain   = 0x2a,
 248                 .chroma_ctrl2  = 0x06,
 249                 .vgate_misc    = 0x1c,
 250
 251         },{
 252                 .name          = "PAL-I",
 253                 .id            = V4L2_STD_PAL_I,
 254                 NORM_625_50,
 255
 256                 .sync_control  = 0x18,
 257                 .luma_control  = 0x40,
 258                 .chroma_ctrl1  = 0x81,
 259                 .chroma_gain   = 0x2a,
 260                 .chroma_ctrl2  = 0x06,
 261                 .vgate_misc    = 0x1c,
 262
 263         },{
 264                 .name          = "PAL-DK",
 265                 .id            = V4L2_STD_PAL_DK,
 266                 NORM_625_50,
 267
 268                 .sync_control  = 0x18,
 269                 .luma_control  = 0x40,
 270                 .chroma_ctrl1  = 0x81,
 271                 .chroma_gain   = 0x2a,
 272                 .chroma_ctrl2  = 0x06,
 273                 .vgate_misc    = 0x1c,
 274
 275         },{
 276                 .name          = "NTSC",
 277                 .id            = V4L2_STD_NTSC,
 278                 NORM_525_60,
 279
 280                 .sync_control  = 0x59,
 281                 .luma_control  = 0x40,
 282                 .chroma_ctrl1  = 0x89,
 283                 .chroma_gain   = 0x2a,
 284                 .chroma_ctrl2  = 0x0e,
 285                 .vgate_misc    = 0x18,
 286
 287         },{
 288                 .name          = "SECAM",
 289                 .id            = V4L2_STD_SECAM,
 290                 NORM_625_50,
 291
 292                 .sync_control  = 0x18,
 293                 .luma_control  = 0x1b,
 294                 .chroma_ctrl1  = 0xd1,
 295                 .chroma_gain   = 0x80,
 296                 .chroma_ctrl2  = 0x00,
 297                 .vgate_misc    = 0x1c,
 298
 299         },{
 300                 .name          = "SECAM-DK",
 301                 .id            = V4L2_STD_SECAM_DK,
 302                 NORM_625_50,
 303
 304                 .sync_control  = 0x18,
 305                 .luma_control  = 0x1b,
 306                 .chroma_ctrl1  = 0xd1,
 307                 .chroma_gain   = 0x80,
 308                 .chroma_ctrl2  = 0x00,
 309                 .vgate_misc    = 0x1c,
 310
 311         },{
 312                 .name          = "SECAM-L",
 313                 .id            = V4L2_STD_SECAM_L,
 314                 NORM_625_50,
 315
 316                 .sync_control  = 0x18,
 317                 .luma_control  = 0x1b,
 318                 .chroma_ctrl1  = 0xd1,
 319                 .chroma_gain   = 0x80,
 320                 .chroma_ctrl2  = 0x00,
 321                 .vgate_misc    = 0x1c,
 322
 323         },{
 324                 .name          = "SECAM-Lc",
 325                 .id            = V4L2_STD_SECAM_LC,
 326                 NORM_625_50,
 327
 328                 .sync_control  = 0x18,
 329                 .luma_control  = 0x1b,
 330                 .chroma_ctrl1  = 0xd1,
 331                 .chroma_gain   = 0x80,
 332                 .chroma_ctrl2  = 0x00,
 333                 .vgate_misc    = 0x1c,
 334
 335         },{
 336                 .name          = "PAL-M",
 337                 .id            = V4L2_STD_PAL_M,
 338                 NORM_525_60,
 339
 340                 .sync_control  = 0x59,
 341                 .luma_control  = 0x40,
 342                 .chroma_ctrl1  = 0xb9,
 343                 .chroma_gain   = 0x2a,
 344                 .chroma_ctrl2  = 0x0e,
 345                 .vgate_misc    = 0x18,
 346
 347         },{
 348                 .name          = "PAL-Nc",
 349                 .id            = V4L2_STD_PAL_Nc,
 350                 NORM_625_50,
 351
 352                 .sync_control  = 0x18,
 353                 .luma_control  = 0x40,
 354                 .chroma_ctrl1  = 0xa1,
 355                 .chroma_gain   = 0x2a,
 356                 .chroma_ctrl2  = 0x06,
 357                 .vgate_misc    = 0x1c,
 358
 359         },{
 360                 .name          = "PAL-60",
 361                 .id            = V4L2_STD_PAL_60,
 362
 363                 .h_start       = 0,
 364                 .h_stop        = 719,
 365                 .video_v_start = 23,
 366                 .video_v_stop  = 262,
 367                 .vbi_v_start_0 = 10,
 368                 .vbi_v_stop_0  = 21,
 369                 .vbi_v_start_1 = 273,
 370                 .src_timing    = 7,
 371
 372                 .sync_control  = 0x18,
 373                 .luma_control  = 0x40,
 374                 .chroma_ctrl1  = 0x81,
 375                 .chroma_gain   = 0x2a,
 376                 .chroma_ctrl2  = 0x06,
 377                 .vgate_misc    = 0x1c,
 378         }
 379 };
 380 #define TVNORMS ARRAY_SIZE(tvnorms)
 381
 382 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 383 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 384 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 385 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 386 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 387
 388 static const struct v4l2_queryctrl no_ctrl = {
 389         .name  = "42",
 390         .flags = V4L2_CTRL_FLAG_DISABLED,
 391 };
 392 static const struct v4l2_queryctrl video_ctrls[] = {
 393         /* --- video --- */
 394         {
 395                 .id            = V4L2_CID_BRIGHTNESS,
 396                 .name          = "Brightness",
 397                 .minimum       = 0,
 398                 .maximum       = 255,
 399                 .step          = 1,
 400                 .default_value = 128,
 401                 .type          = V4L2_CTRL_TYPE_INTEGER,
 402         },{
 403                 .id            = V4L2_CID_CONTRAST,
 404                 .name          = "Contrast",
 405                 .minimum       = 0,
 406                 .maximum       = 127,
 407                 .step          = 1,
 408                 .default_value = 68,
 409                 .type          = V4L2_CTRL_TYPE_INTEGER,
 410         },{
 411                 .id            = V4L2_CID_SATURATION,
 412                 .name          = "Saturation",
 413                 .minimum       = 0,
 414                 .maximum       = 127,
 415                 .step          = 1,
 416                 .default_value = 64,
 417                 .type          = V4L2_CTRL_TYPE_INTEGER,
 418         },{
 419                 .id            = V4L2_CID_HUE,
 420                 .name          = "Hue",
 421                 .minimum       = -128,
 422                 .maximum       = 127,
 423                 .step          = 1,
 424                 .default_value = 0,
 425                 .type          = V4L2_CTRL_TYPE_INTEGER,
 426         },{
 427                 .id            = V4L2_CID_HFLIP,
 428                 .name          = "Mirror",
 429                 .minimum       = 0,
 430                 .maximum       = 1,
 431                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 432         },
 433         /* --- audio --- */
 434         {
 435                 .id            = V4L2_CID_AUDIO_MUTE,
 436                 .name          = "Mute",
 437                 .minimum       = 0,
 438                 .maximum       = 1,
 439                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 440         },{
 441                 .id            = V4L2_CID_AUDIO_VOLUME,
 442                 .name          = "Volume",
 443                 .minimum       = -15,
 444                 .maximum       = 15,
 445                 .step          = 1,
 446                 .default_value = 0,
 447                 .type          = V4L2_CTRL_TYPE_INTEGER,
 448         },
 449         /* --- private --- */
 450         {
 451                 .id            = V4L2_CID_PRIVATE_INVERT,
 452                 .name          = "Invert",
 453                 .minimum       = 0,
 454                 .maximum       = 1,
 455                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 456         },{
 457                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 458                 .name          = "y offset odd field",
 459                 .minimum       = 0,
 460                 .maximum       = 128,
 461                 .default_value = 0,
 462                 .type          = V4L2_CTRL_TYPE_INTEGER,
 463         },{
 464                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 465                 .name          = "y offset even field",
 466                 .minimum       = 0,
 467                 .maximum       = 128,
 468                 .default_value = 0,
 469                 .type          = V4L2_CTRL_TYPE_INTEGER,
 470         },{
 471                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 472                 .name          = "automute",
 473                 .minimum       = 0,
 474                 .maximum       = 1,
 475                 .default_value = 1,
 476                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 477         }
 478 };
 479 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 480
 481 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 482 {
 483         unsigned int i;
 484
 485         for (i = 0; i < CTRLS; i++)
 486                 if (video_ctrls[i].id == id)
 487                         return video_ctrls+i;
 488         return NULL;
 489 }
 490
 491 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 492 {
 493         unsigned int i;
 494
 495         for (i = 0; i < FORMATS; i++)
 496                 if (formats[i].fourcc == fourcc)
 497                         return formats+i;
 498         return NULL;
 499 }
 500
 501 /* ----------------------------------------------------------------------- */
 502 /* resource management                                                     */
 503
 504 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 505 {
 506         if (fh->resources & bit)
 507                 /* have it already allocated */
 508                 return 1;
 509
 510         /* is it free? */
 511         mutex_lock(&dev->lock);
 512         if (dev->resources & bit) {
 513                 /* no, someone else uses it */
 514                 mutex_unlock(&dev->lock);
 515                 return 0;
 516         }
 517         /* it's free, grab it */
 518         fh->resources  |= bit;
 519         dev->resources |= bit;
 520         dprintk("res: get %d\n",bit);
 521         mutex_unlock(&dev->lock);
 522         return 1;
 523 }
 524
 525 static int res_check(struct saa7134_fh *fh, unsigned int bit)
 526 {
 527         return (fh->resources & bit);
 528 }
 529
 530 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
 531 {
 532         return (dev->resources & bit);
 533 }
 534
 535 static
 536 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 537 {
 538         BUG_ON((fh->resources & bits) != bits);
 539
 540         mutex_lock(&dev->lock);
 541         fh->resources  &= ~bits;
 542         dev->resources &= ~bits;
 543         dprintk("res: put %d\n",bits);
 544         mutex_unlock(&dev->lock);
 545 }
 546
 547 /* ------------------------------------------------------------------ */
 548
 549 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 550 {
 551         dprintk("set tv norm = %s\n",norm->name);
 552         dev->tvnorm = norm;
 553
 554         /* setup cropping */
 555         dev->crop_bounds.left    = norm->h_start;
 556         dev->crop_defrect.left   = norm->h_start;
 557         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 558         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 559
 560         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 561         dev->crop_defrect.top    = norm->video_v_start*2;
 562         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 563                 - dev->crop_bounds.top;
 564         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 565
 566         dev->crop_current = dev->crop_defrect;
 567
 568         saa7134_set_tvnorm_hw(dev);
 569 }
 570
 571 static void video_mux(struct saa7134_dev *dev, int input)
 572 {
 573         dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
 574         dev->ctl_input = input;
 575         set_tvnorm(dev, dev->tvnorm);
 576         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 577 }
 578
 579
 580 static void saa7134_set_decoder(struct saa7134_dev *dev)
 581 {
 582         int luma_control, sync_control, mux;
 583
 584         struct saa7134_tvnorm *norm = dev->tvnorm;
 585         mux = card_in(dev, dev->ctl_input).vmux;
 586
 587         luma_control = norm->luma_control;
 588         sync_control = norm->sync_control;
 589
 590         if (mux > 5)
 591                 luma_control |= 0x80; /* svideo */
 592         if (noninterlaced || dev->nosignal)
 593                 sync_control |= 0x20;
 594
 595         /* setup video decoder */
 596         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 597         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 598         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 599
 600         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 601         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 602         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 603         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 604         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 605
 606         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 607         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 608         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 609
 610         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 611                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 612
 613         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 614                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 615
 616         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 617         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 618         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 619
 620         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 621         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 622
 623         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 624         saa_writeb(SAA7134_VGATE_START,           0x11);
 625         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 626         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 627         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 628         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 629 }
 630
 631 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 632 {
 633         saa7134_set_decoder(dev);
 634
 635         if (card_in(dev, dev->ctl_input).tv) {
 636                 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
 637                                 && ((card(dev).tuner_config == 1)
 638                                 ||  (card(dev).tuner_config == 2)))
 639                         saa7134_set_gpio(dev, 22, 5);
 640                 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
 641         }
 642 }
 643
 644 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 645 {
 646         static const struct {
 647                 int xpsc;
 648                 int xacl;
 649                 int xc2_1;
 650                 int xdcg;
 651                 int vpfy;
 652         } vals[] = {
 653                 /* XPSC XACL XC2_1 XDCG VPFY */
 654                 {    1,   0,    0,    0,   0 },
 655                 {    2,   2,    1,    2,   2 },
 656                 {    3,   4,    1,    3,   2 },
 657                 {    4,   8,    1,    4,   2 },
 658                 {    5,   8,    1,    4,   2 },
 659                 {    6,   8,    1,    4,   3 },
 660                 {    7,   8,    1,    4,   3 },
 661                 {    8,  15,    0,    4,   3 },
 662                 {    9,  15,    0,    4,   3 },
 663                 {   10,  16,    1,    5,   3 },
 664         };
 665         static const int count = ARRAY_SIZE(vals);
 666         int i;
 667
 668         for (i = 0; i < count; i++)
 669                 if (vals[i].xpsc == prescale)
 670                         break;
 671         if (i == count)
 672                 return;
 673
 674         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 675         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 676         saa_writeb(SAA7134_LEVEL_CTRL(task),
 677                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 678         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 679                    (vals[i].vpfy << 2) | vals[i].vpfy);
 680 }
 681
 682 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 683 {
 684         int val,mirror;
 685
 686         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 687         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 688
 689         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 690         if (yscale < 2048) {
 691                 /* LPI */
 692                 dprintk("yscale LPI yscale=%d\n",yscale);
 693                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 694                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 695                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 696         } else {
 697                 /* ACM */
 698                 val = 0x40 * 1024 / yscale;
 699                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 700                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 701                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 702                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 703         }
 704         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 705 }
 706
 707 static void set_size(struct saa7134_dev *dev, int task,
 708                      int width, int height, int interlace)
 709 {
 710         int prescale,xscale,yscale,y_even,y_odd;
 711         int h_start, h_stop, v_start, v_stop;
 712         int div = interlace ? 2 : 1;
 713
 714         /* setup video scaler */
 715         h_start = dev->crop_current.left;
 716         v_start = dev->crop_current.top/2;
 717         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 718         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 719
 720         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 721         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 722         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 723         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 724         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 725         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 726         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 727         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 728
 729         prescale = dev->crop_current.width / width;
 730         if (0 == prescale)
 731                 prescale = 1;
 732         xscale = 1024 * dev->crop_current.width / prescale / width;
 733         yscale = 512 * div * dev->crop_current.height / height;
 734         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 735         set_h_prescale(dev,task,prescale);
 736         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 737         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 738         set_v_scale(dev,task,yscale);
 739
 740         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 741         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 742         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 743         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 744
 745         /* deinterlace y offsets */
 746         y_odd  = dev->ctl_y_odd;
 747         y_even = dev->ctl_y_even;
 748         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 749         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 750         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 751         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 752 }
 753
 754 /* ------------------------------------------------------------------ */
 755
 756 struct cliplist {
 757         __u16 position;
 758         __u8  enable;
 759         __u8  disable;
 760 };
 761
 762 static void set_cliplist(struct saa7134_dev *dev, int reg,
 763                         struct cliplist *cl, int entries, char *name)
 764 {
 765         __u8 winbits = 0;
 766         int i;
 767
 768         for (i = 0; i < entries; i++) {
 769                 winbits |= cl[i].enable;
 770                 winbits &= ~cl[i].disable;
 771                 if (i < 15 && cl[i].position == cl[i+1].position)
 772                         continue;
 773                 saa_writeb(reg + 0, winbits);
 774                 saa_writeb(reg + 2, cl[i].position & 0xff);
 775                 saa_writeb(reg + 3, cl[i].position >> 8);
 776                 dprintk("clip: %s winbits=%02x pos=%d\n",
 777                         name,winbits,cl[i].position);
 778                 reg += 8;
 779         }
 780         for (; reg < 0x400; reg += 8) {
 781                 saa_writeb(reg+ 0, 0);
 782                 saa_writeb(reg + 1, 0);
 783                 saa_writeb(reg + 2, 0);
 784                 saa_writeb(reg + 3, 0);
 785         }
 786 }
 787
 788 static int clip_range(int val)
 789 {
 790         if (val < 0)
 791                 val = 0;
 792         return val;
 793 }
 794
 795 /* Sort into smallest position first order */
 796 static int cliplist_cmp(const void *a, const void *b)
 797 {
 798         const struct cliplist *cla = a;
 799         const struct cliplist *clb = b;
 800         if (cla->position < clb->position)
 801                 return -1;
 802         if (cla->position > clb->position)
 803                 return 1;
 804         return 0;
 805 }
 806
 807 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 808                           int nclips, int interlace)
 809 {
 810         struct cliplist col[16], row[16];
 811         int cols = 0, rows = 0, i;
 812         int div = interlace ? 2 : 1;
 813
 814         memset(col, 0, sizeof(col));
 815         memset(row, 0, sizeof(row));
 816         for (i = 0; i < nclips && i < 8; i++) {
 817                 col[cols].position = clip_range(clips[i].c.left);
 818                 col[cols].enable   = (1 << i);
 819                 cols++;
 820                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 821                 col[cols].disable  = (1 << i);
 822                 cols++;
 823                 row[rows].position = clip_range(clips[i].c.top / div);
 824                 row[rows].enable   = (1 << i);
 825                 rows++;
 826                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 827                                                 / div);
 828                 row[rows].disable  = (1 << i);
 829                 rows++;
 830         }
 831         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 832         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 833         set_cliplist(dev,0x380,col,cols,"cols");
 834         set_cliplist(dev,0x384,row,rows,"rows");
 835         return 0;
 836 }
 837
 838 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 839 {
 840         enum v4l2_field field;
 841         int maxw, maxh;
 842
 843         if (NULL == dev->ovbuf.base)
 844                 return -EINVAL;
 845         if (NULL == dev->ovfmt)
 846                 return -EINVAL;
 847         if (win->w.width < 48 || win->w.height <  32)
 848                 return -EINVAL;
 849         if (win->clipcount > 2048)
 850                 return -EINVAL;
 851
 852         field = win->field;
 853         maxw  = dev->crop_current.width;
 854         maxh  = dev->crop_current.height;
 855
 856         if (V4L2_FIELD_ANY == field) {
 857                 field = (win->w.height > maxh/2)
 858                         ? V4L2_FIELD_INTERLACED
 859                         : V4L2_FIELD_TOP;
 860         }
 861         switch (field) {
 862         case V4L2_FIELD_TOP:
 863         case V4L2_FIELD_BOTTOM:
 864                 maxh = maxh / 2;
 865                 break;
 866         case V4L2_FIELD_INTERLACED:
 867                 break;
 868         default:
 869                 return -EINVAL;
 870         }
 871
 872         win->field = field;
 873         if (win->w.width > maxw)
 874                 win->w.width = maxw;
 875         if (win->w.height > maxh)
 876                 win->w.height = maxh;
 877         return 0;
 878 }
 879
 880 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 881 {
 882         unsigned long base,control,bpl;
 883         int err;
 884
 885         err = verify_preview(dev,&fh->win);
 886         if (0 != err)
 887                 return err;
 888
 889         dev->ovfield = fh->win.field;
 890         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 891                 fh->win.w.width,fh->win.w.height,
 892                 fh->win.w.left,fh->win.w.top,
 893                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 894
 895         /* setup window + clipping */
 896         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 897                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 898         setup_clipping(dev,fh->clips,fh->nclips,
 899                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 900         if (dev->ovfmt->yuv)
 901                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 902         else
 903                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 904         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 905
 906         /* dma: setup channel 1 (= Video Task B) */
 907         base  = (unsigned long)dev->ovbuf.base;
 908         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 909         base += dev->ovfmt->depth/8         * fh->win.w.left;
 910         bpl   = dev->ovbuf.fmt.bytesperline;
 911         control = SAA7134_RS_CONTROL_BURST_16;
 912         if (dev->ovfmt->bswap)
 913                 control |= SAA7134_RS_CONTROL_BSWAP;
 914         if (dev->ovfmt->wswap)
 915                 control |= SAA7134_RS_CONTROL_WSWAP;
 916         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 917                 saa_writel(SAA7134_RS_BA1(1),base);
 918                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 919                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 920                 saa_writel(SAA7134_RS_CONTROL(1),control);
 921         } else {
 922                 saa_writel(SAA7134_RS_BA1(1),base);
 923                 saa_writel(SAA7134_RS_BA2(1),base);
 924                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 925                 saa_writel(SAA7134_RS_CONTROL(1),control);
 926         }
 927
 928         /* start dma */
 929         dev->ovenable = 1;
 930         saa7134_set_dmabits(dev);
 931
 932         return 0;
 933 }
 934
 935 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 936 {
 937         dev->ovenable = 0;
 938         saa7134_set_dmabits(dev);
 939         return 0;
 940 }
 941
 942 /* ------------------------------------------------------------------ */
 943
 944 static int buffer_activate(struct saa7134_dev *dev,
 945                            struct saa7134_buf *buf,
 946                            struct saa7134_buf *next)
 947 {
 948         unsigned long base,control,bpl;
 949         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 950
 951         dprintk("buffer_activate buf=%p\n",buf);
 952         buf->vb.state = VIDEOBUF_ACTIVE;
 953         buf->top_seen = 0;
 954
 955         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 956                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 957         if (buf->fmt->yuv)
 958                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 959         else
 960                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 961         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 962
 963         /* DMA: setup channel 0 (= Video Task A0) */
 964         base  = saa7134_buffer_base(buf);
 965         if (buf->fmt->planar)
 966                 bpl = buf->vb.width;
 967         else
 968                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 969         control = SAA7134_RS_CONTROL_BURST_16 |
 970                 SAA7134_RS_CONTROL_ME |
 971                 (buf->pt->dma >> 12);
 972         if (buf->fmt->bswap)
 973                 control |= SAA7134_RS_CONTROL_BSWAP;
 974         if (buf->fmt->wswap)
 975                 control |= SAA7134_RS_CONTROL_WSWAP;
 976         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 977                 /* interlaced */
 978                 saa_writel(SAA7134_RS_BA1(0),base);
 979                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 980                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 981         } else {
 982                 /* non-interlaced */
 983                 saa_writel(SAA7134_RS_BA1(0),base);
 984                 saa_writel(SAA7134_RS_BA2(0),base);
 985                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 986         }
 987         saa_writel(SAA7134_RS_CONTROL(0),control);
 988
 989         if (buf->fmt->planar) {
 990                 /* DMA: setup channel 4+5 (= planar task A) */
 991                 bpl_uv   = bpl >> buf->fmt->hshift;
 992                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 993                 base2    = base + bpl * buf->vb.height;
 994                 base3    = base2 + bpl_uv * lines_uv;
 995                 if (buf->fmt->uvswap)
 996                         tmp = base2, base2 = base3, base3 = tmp;
 997                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 998                         bpl_uv,lines_uv,base2,base3);
 999                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
1000                         /* interlaced */
1001                         saa_writel(SAA7134_RS_BA1(4),base2);
1002                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
1003                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
1004                         saa_writel(SAA7134_RS_BA1(5),base3);
1005                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1006                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1007                 } else {
1008                         /* non-interlaced */
1009                         saa_writel(SAA7134_RS_BA1(4),base2);
1010                         saa_writel(SAA7134_RS_BA2(4),base2);
1011                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1012                         saa_writel(SAA7134_RS_BA1(5),base3);
1013                         saa_writel(SAA7134_RS_BA2(5),base3);
1014                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1015                 }
1016                 saa_writel(SAA7134_RS_CONTROL(4),control);
1017                 saa_writel(SAA7134_RS_CONTROL(5),control);
1018         }
1019
1020         /* start DMA */
1021         saa7134_set_dmabits(dev);
1022         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1023         return 0;
1024 }
1025
1026 static int buffer_prepare(struct videobuf_queue *q,
1027                           struct videobuf_buffer *vb,
1028                           enum v4l2_field field)
1029 {
1030         struct saa7134_fh *fh = q->priv_data;
1031         struct saa7134_dev *dev = fh->dev;
1032         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1033         unsigned int size;
1034         int err;
1035
1036         /* sanity checks */
1037         if (NULL == fh->fmt)
1038                 return -EINVAL;
1039         if (fh->width    < 48 ||
1040             fh->height   < 32 ||
1041             fh->width/4  > dev->crop_current.width  ||
1042             fh->height/4 > dev->crop_current.height ||
1043             fh->width    > dev->crop_bounds.width  ||
1044             fh->height   > dev->crop_bounds.height)
1045                 return -EINVAL;
1046         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1047         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1048                 return -EINVAL;
1049
1050         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1051                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1052                 fh->fmt->name);
1053         if (buf->vb.width  != fh->width  ||
1054             buf->vb.height != fh->height ||
1055             buf->vb.size   != size       ||
1056             buf->vb.field  != field      ||
1057             buf->fmt       != fh->fmt) {
1058                 saa7134_dma_free(q,buf);
1059         }
1060
1061         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1062                 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1063
1064                 buf->vb.width  = fh->width;
1065                 buf->vb.height = fh->height;
1066                 buf->vb.size   = size;
1067                 buf->vb.field  = field;
1068                 buf->fmt       = fh->fmt;
1069                 buf->pt        = &fh->pt_cap;
1070
1071                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1072                 if (err)
1073                         goto oops;
1074                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1075                                             dma->sglist,
1076                                             dma->sglen,
1077                                             saa7134_buffer_startpage(buf));
1078                 if (err)
1079                         goto oops;
1080         }
1081         buf->vb.state = VIDEOBUF_PREPARED;
1082         buf->activate = buffer_activate;
1083         return 0;
1084
1085  oops:
1086         saa7134_dma_free(q,buf);
1087         return err;
1088 }
1089
1090 static int
1091 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1092 {
1093         struct saa7134_fh *fh = q->priv_data;
1094
1095         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1096         if (0 == *count)
1097                 *count = gbuffers;
1098         *count = saa7134_buffer_count(*size,*count);
1099         return 0;
1100 }
1101
1102 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1103 {
1104         struct saa7134_fh *fh = q->priv_data;
1105         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1106
1107         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1108 }
1109
1110 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1111 {
1112         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1113
1114         saa7134_dma_free(q,buf);
1115 }
1116
1117 static struct videobuf_queue_ops video_qops = {
1118         .buf_setup    = buffer_setup,
1119         .buf_prepare  = buffer_prepare,
1120         .buf_queue    = buffer_queue,
1121         .buf_release  = buffer_release,
1122 };
1123
1124 /* ------------------------------------------------------------------ */
1125
1126 static int saa7134_g_ctrl(struct file *file, void *priv,
1127                                         struct v4l2_control *c)
1128 {
1129         struct saa7134_fh *fh = priv;
1130         struct saa7134_dev *dev = fh->dev;
1131         const struct v4l2_queryctrl* ctrl;
1132
1133         ctrl = ctrl_by_id(c->id);
1134         if (NULL == ctrl)
1135                 return -EINVAL;
1136         switch (c->id) {
1137         case V4L2_CID_BRIGHTNESS:
1138                 c->value = dev->ctl_bright;
1139                 break;
1140         case V4L2_CID_HUE:
1141                 c->value = dev->ctl_hue;
1142                 break;
1143         case V4L2_CID_CONTRAST:
1144                 c->value = dev->ctl_contrast;
1145                 break;
1146         case V4L2_CID_SATURATION:
1147                 c->value = dev->ctl_saturation;
1148                 break;
1149         case V4L2_CID_AUDIO_MUTE:
1150                 c->value = dev->ctl_mute;
1151                 break;
1152         case V4L2_CID_AUDIO_VOLUME:
1153                 c->value = dev->ctl_volume;
1154                 break;
1155         case V4L2_CID_PRIVATE_INVERT:
1156                 c->value = dev->ctl_invert;
1157                 break;
1158         case V4L2_CID_HFLIP:
1159                 c->value = dev->ctl_mirror;
1160                 break;
1161         case V4L2_CID_PRIVATE_Y_EVEN:
1162                 c->value = dev->ctl_y_even;
1163                 break;
1164         case V4L2_CID_PRIVATE_Y_ODD:
1165                 c->value = dev->ctl_y_odd;
1166                 break;
1167         case V4L2_CID_PRIVATE_AUTOMUTE:
1168                 c->value = dev->ctl_automute;
1169                 break;
1170         default:
1171                 return -EINVAL;
1172         }
1173         return 0;
1174 }
1175
1176 static int saa7134_s_ctrl(struct file *file, void *f,
1177                                         struct v4l2_control *c)
1178 {
1179         const struct v4l2_queryctrl* ctrl;
1180         struct saa7134_fh *fh = f;
1181         struct saa7134_dev *dev = fh->dev;
1182         unsigned long flags;
1183         int restart_overlay = 0;
1184         int err = -EINVAL;
1185
1186         err = v4l2_prio_check(&dev->prio, &fh->prio);
1187         if (0 != err)
1188                 return err;
1189
1190         mutex_lock(&dev->lock);
1191
1192         ctrl = ctrl_by_id(c->id);
1193         if (NULL == ctrl)
1194                 goto error;
1195
1196         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1197         switch (ctrl->type) {
1198         case V4L2_CTRL_TYPE_BOOLEAN:
1199         case V4L2_CTRL_TYPE_MENU:
1200         case V4L2_CTRL_TYPE_INTEGER:
1201                 if (c->value < ctrl->minimum)
1202                         c->value = ctrl->minimum;
1203                 if (c->value > ctrl->maximum)
1204                         c->value = ctrl->maximum;
1205                 break;
1206         default:
1207                 /* nothing */;
1208         };
1209         switch (c->id) {
1210         case V4L2_CID_BRIGHTNESS:
1211                 dev->ctl_bright = c->value;
1212                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1213                 break;
1214         case V4L2_CID_HUE:
1215                 dev->ctl_hue = c->value;
1216                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1217                 break;
1218         case V4L2_CID_CONTRAST:
1219                 dev->ctl_contrast = c->value;
1220                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1221                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1222                 break;
1223         case V4L2_CID_SATURATION:
1224                 dev->ctl_saturation = c->value;
1225                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1226                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1227                 break;
1228         case V4L2_CID_AUDIO_MUTE:
1229                 dev->ctl_mute = c->value;
1230                 saa7134_tvaudio_setmute(dev);
1231                 break;
1232         case V4L2_CID_AUDIO_VOLUME:
1233                 dev->ctl_volume = c->value;
1234                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1235                 break;
1236         case V4L2_CID_PRIVATE_INVERT:
1237                 dev->ctl_invert = c->value;
1238                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1239                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1240                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1241                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1242                 break;
1243         case V4L2_CID_HFLIP:
1244                 dev->ctl_mirror = c->value;
1245                 restart_overlay = 1;
1246                 break;
1247         case V4L2_CID_PRIVATE_Y_EVEN:
1248                 dev->ctl_y_even = c->value;
1249                 restart_overlay = 1;
1250                 break;
1251         case V4L2_CID_PRIVATE_Y_ODD:
1252                 dev->ctl_y_odd = c->value;
1253                 restart_overlay = 1;
1254                 break;
1255         case V4L2_CID_PRIVATE_AUTOMUTE:
1256         {
1257                 struct v4l2_priv_tun_config tda9887_cfg;
1258
1259                 tda9887_cfg.tuner = TUNER_TDA9887;
1260                 tda9887_cfg.priv = &dev->tda9887_conf;
1261
1262                 dev->ctl_automute = c->value;
1263                 if (dev->tda9887_conf) {
1264                         if (dev->ctl_automute)
1265                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1266                         else
1267                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1268
1269                         saa7134_i2c_call_clients(dev, TUNER_SET_CONFIG,
1270                                                  &tda9887_cfg);
1271                 }
1272                 break;
1273         }
1274         default:
1275                 goto error;
1276         }
1277         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1278                 spin_lock_irqsave(&dev->slock,flags);
1279                 stop_preview(dev,fh);
1280                 start_preview(dev,fh);
1281                 spin_unlock_irqrestore(&dev->slock,flags);
1282         }
1283         err = 0;
1284
1285 error:
1286         mutex_unlock(&dev->lock);
1287         return err;
1288 }
1289
1290 /* ------------------------------------------------------------------ */
1291
1292 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1293 {
1294         struct videobuf_queue* q = NULL;
1295
1296         switch (fh->type) {
1297         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1298                 q = &fh->cap;
1299                 break;
1300         case V4L2_BUF_TYPE_VBI_CAPTURE:
1301                 q = &fh->vbi;
1302                 break;
1303         default:
1304                 BUG();
1305         }
1306         return q;
1307 }
1308
1309 static int saa7134_resource(struct saa7134_fh *fh)
1310 {
1311         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1312                 return RESOURCE_VIDEO;
1313
1314         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1315                 return RESOURCE_VBI;
1316
1317         BUG();
1318         return 0;
1319 }
1320
1321 static int video_open(struct inode *inode, struct file *file)
1322 {
1323         int minor = iminor(inode);
1324         struct saa7134_dev *dev;
1325         struct saa7134_fh *fh;
1326         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1327         int radio = 0;
1328         list_for_each_entry(dev, &saa7134_devlist, devlist) {
1329                 if (dev->video_dev && (dev->video_dev->minor == minor))
1330                         goto found;
1331                 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1332                         radio = 1;
1333                         goto found;
1334                 }
1335                 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1336                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1337                         goto found;
1338                 }
1339         }
1340         return -ENODEV;
1341  found:
1342
1343         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1344                 v4l2_type_names[type]);
1345
1346         /* allocate + initialize per filehandle data */
1347         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1348         if (NULL == fh)
1349                 return -ENOMEM;
1350         file->private_data = fh;
1351         fh->dev      = dev;
1352         fh->radio    = radio;
1353         fh->type     = type;
1354         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1355         fh->width    = 720;
1356         fh->height   = 576;
1357         v4l2_prio_open(&dev->prio,&fh->prio);
1358
1359         videobuf_queue_pci_init(&fh->cap, &video_qops,
1360                             dev->pci, &dev->slock,
1361                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1362                             V4L2_FIELD_INTERLACED,
1363                             sizeof(struct saa7134_buf),
1364                             fh);
1365         videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1366                             dev->pci, &dev->slock,
1367                             V4L2_BUF_TYPE_VBI_CAPTURE,
1368                             V4L2_FIELD_SEQ_TB,
1369                             sizeof(struct saa7134_buf),
1370                             fh);
1371         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1372         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1373
1374         if (fh->radio) {
1375                 /* switch to radio mode */
1376                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1377                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1378         } else {
1379                 /* switch to video/vbi mode */
1380                 video_mux(dev,dev->ctl_input);
1381         }
1382         return 0;
1383 }
1384
1385 static ssize_t
1386 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1387 {
1388         struct saa7134_fh *fh = file->private_data;
1389
1390         switch (fh->type) {
1391         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1392                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1393                         return -EBUSY;
1394                 return videobuf_read_one(saa7134_queue(fh),
1395                                          data, count, ppos,
1396                                          file->f_flags & O_NONBLOCK);
1397         case V4L2_BUF_TYPE_VBI_CAPTURE:
1398                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1399                         return -EBUSY;
1400                 return videobuf_read_stream(saa7134_queue(fh),
1401                                             data, count, ppos, 1,
1402                                             file->f_flags & O_NONBLOCK);
1403                 break;
1404         default:
1405                 BUG();
1406                 return 0;
1407         }
1408 }
1409
1410 static unsigned int
1411 video_poll(struct file *file, struct poll_table_struct *wait)
1412 {
1413         struct saa7134_fh *fh = file->private_data;
1414         struct videobuf_buffer *buf = NULL;
1415
1416         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1417                 return videobuf_poll_stream(file, &fh->vbi, wait);
1418
1419         if (res_check(fh,RESOURCE_VIDEO)) {
1420                 if (!list_empty(&fh->cap.stream))
1421                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1422         } else {
1423                 mutex_lock(&fh->cap.lock);
1424                 if (UNSET == fh->cap.read_off) {
1425                         /* need to capture a new frame */
1426                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1427                                 mutex_unlock(&fh->cap.lock);
1428                                 return POLLERR;
1429                         }
1430                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1431                                 mutex_unlock(&fh->cap.lock);
1432                                 return POLLERR;
1433                         }
1434                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1435                         fh->cap.read_off = 0;
1436                 }
1437                 mutex_unlock(&fh->cap.lock);
1438                 buf = fh->cap.read_buf;
1439         }
1440
1441         if (!buf)
1442                 return POLLERR;
1443
1444         poll_wait(file, &buf->done, wait);
1445         if (buf->state == VIDEOBUF_DONE ||
1446             buf->state == VIDEOBUF_ERROR)
1447                 return POLLIN|POLLRDNORM;
1448         return 0;
1449 }
1450
1451 static int video_release(struct inode *inode, struct file *file)
1452 {
1453         struct saa7134_fh  *fh  = file->private_data;
1454         struct saa7134_dev *dev = fh->dev;
1455         unsigned long flags;
1456
1457         /* turn off overlay */
1458         if (res_check(fh, RESOURCE_OVERLAY)) {
1459                 spin_lock_irqsave(&dev->slock,flags);
1460                 stop_preview(dev,fh);
1461                 spin_unlock_irqrestore(&dev->slock,flags);
1462                 res_free(dev,fh,RESOURCE_OVERLAY);
1463         }
1464
1465         /* stop video capture */
1466         if (res_check(fh, RESOURCE_VIDEO)) {
1467                 videobuf_streamoff(&fh->cap);
1468                 res_free(dev,fh,RESOURCE_VIDEO);
1469         }
1470         if (fh->cap.read_buf) {
1471                 buffer_release(&fh->cap,fh->cap.read_buf);
1472                 kfree(fh->cap.read_buf);
1473         }
1474
1475         /* stop vbi capture */
1476         if (res_check(fh, RESOURCE_VBI)) {
1477                 videobuf_stop(&fh->vbi);
1478                 res_free(dev,fh,RESOURCE_VBI);
1479         }
1480
1481         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1482         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1483         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1484         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1485         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1486
1487         saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1488
1489         /* free stuff */
1490         videobuf_mmap_free(&fh->cap);
1491         videobuf_mmap_free(&fh->vbi);
1492         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1493         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1494
1495         v4l2_prio_close(&dev->prio,&fh->prio);
1496         file->private_data = NULL;
1497         kfree(fh);
1498         return 0;
1499 }
1500
1501 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1502 {
1503         struct saa7134_fh *fh = file->private_data;
1504
1505         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1506 }
1507
1508 /* ------------------------------------------------------------------ */
1509
1510 static int saa7134_try_get_set_fmt_vbi(struct file *file, void *priv,
1511                                                 struct v4l2_format *f)
1512 {
1513         struct saa7134_fh *fh = priv;
1514         struct saa7134_dev *dev = fh->dev;
1515         struct saa7134_tvnorm *norm = dev->tvnorm;
1516
1517         f->fmt.vbi.sampling_rate = 6750000 * 4;
1518         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1519         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1520         f->fmt.vbi.offset = 64 * 4;
1521         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1522         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1523         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1524         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1525         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1526
1527         return 0;
1528 }
1529
1530 static int saa7134_g_fmt_cap(struct file *file, void *priv,
1531                                 struct v4l2_format *f)
1532 {
1533         struct saa7134_fh *fh = priv;
1534
1535         f->fmt.pix.width        = fh->width;
1536         f->fmt.pix.height       = fh->height;
1537         f->fmt.pix.field        = fh->cap.field;
1538         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1539         f->fmt.pix.bytesperline =
1540                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1541         f->fmt.pix.sizeimage =
1542                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1543         return 0;
1544 }
1545
1546 static int saa7134_g_fmt_overlay(struct file *file, void *priv,
1547                                 struct v4l2_format *f)
1548 {
1549         struct saa7134_fh *fh = priv;
1550
1551         if (saa7134_no_overlay > 0) {
1552                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1553                 return -EINVAL;
1554         }
1555         f->fmt.win = fh->win;
1556
1557         return 0;
1558 }
1559
1560 static int saa7134_try_fmt_cap(struct file *file, void *priv,
1561                                                 struct v4l2_format *f)
1562 {
1563         struct saa7134_fh *fh = priv;
1564         struct saa7134_dev *dev = fh->dev;
1565         struct saa7134_format *fmt;
1566         enum v4l2_field field;
1567         unsigned int maxw, maxh;
1568
1569         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1570         if (NULL == fmt)
1571                 return -EINVAL;
1572
1573         field = f->fmt.pix.field;
1574         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1575         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1576
1577         if (V4L2_FIELD_ANY == field) {
1578                 field = (f->fmt.pix.height > maxh/2)
1579                         ? V4L2_FIELD_INTERLACED
1580                         : V4L2_FIELD_BOTTOM;
1581         }
1582         switch (field) {
1583         case V4L2_FIELD_TOP:
1584         case V4L2_FIELD_BOTTOM:
1585                 maxh = maxh / 2;
1586                 break;
1587         case V4L2_FIELD_INTERLACED:
1588                 break;
1589         default:
1590                 return -EINVAL;
1591         }
1592
1593         f->fmt.pix.field = field;
1594         if (f->fmt.pix.width  < 48)
1595                 f->fmt.pix.width  = 48;
1596         if (f->fmt.pix.height < 32)
1597                 f->fmt.pix.height = 32;
1598         if (f->fmt.pix.width > maxw)
1599                 f->fmt.pix.width = maxw;
1600         if (f->fmt.pix.height > maxh)
1601                 f->fmt.pix.height = maxh;
1602         f->fmt.pix.width &= ~0x03;
1603         f->fmt.pix.bytesperline =
1604                 (f->fmt.pix.width * fmt->depth) >> 3;
1605         f->fmt.pix.sizeimage =
1606                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1607
1608         return 0;
1609 }
1610
1611 static int saa7134_try_fmt_overlay(struct file *file, void *priv,
1612                                                 struct v4l2_format *f)
1613 {
1614         struct saa7134_fh *fh = priv;
1615         struct saa7134_dev *dev = fh->dev;
1616
1617         if (saa7134_no_overlay > 0) {
1618                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1619                 return -EINVAL;
1620         }
1621
1622         return verify_preview(dev, &f->fmt.win);
1623 }
1624
1625 static int saa7134_s_fmt_cap(struct file *file, void *priv,
1626                                         struct v4l2_format *f)
1627 {
1628         struct saa7134_fh *fh = priv;
1629         int err;
1630
1631         err = saa7134_try_fmt_cap(file, priv, f);
1632         if (0 != err)
1633                 return err;
1634
1635         fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1636         fh->width     = f->fmt.pix.width;
1637         fh->height    = f->fmt.pix.height;
1638         fh->cap.field = f->fmt.pix.field;
1639         return 0;
1640 }
1641
1642 static int saa7134_s_fmt_overlay(struct file *file, void *priv,
1643                                         struct v4l2_format *f)
1644 {
1645         struct saa7134_fh *fh = priv;
1646         struct saa7134_dev *dev = fh->dev;
1647         int err;
1648         unsigned int flags;
1649
1650         if (saa7134_no_overlay > 0) {
1651                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1652                 return -EINVAL;
1653         }
1654         err = verify_preview(dev, &f->fmt.win);
1655         if (0 != err)
1656                 return err;
1657
1658         mutex_lock(&dev->lock);
1659
1660         fh->win    = f->fmt.win;
1661         fh->nclips = f->fmt.win.clipcount;
1662
1663         if (fh->nclips > 8)
1664                 fh->nclips = 8;
1665
1666         if (copy_from_user(fh->clips, f->fmt.win.clips,
1667                            sizeof(struct v4l2_clip)*fh->nclips)) {
1668                 mutex_unlock(&dev->lock);
1669                 return -EFAULT;
1670         }
1671
1672         if (res_check(fh, RESOURCE_OVERLAY)) {
1673                 spin_lock_irqsave(&dev->slock, flags);
1674                 stop_preview(dev, fh);
1675                 start_preview(dev, fh);
1676                 spin_unlock_irqrestore(&dev->slock, flags);
1677         }
1678
1679         mutex_unlock(&dev->lock);
1680         return 0;
1681 }
1682
1683 static int saa7134_queryctrl(struct file *file, void *priv,
1684                                         struct v4l2_queryctrl *c)
1685 {
1686         const struct v4l2_queryctrl *ctrl;
1687
1688         if ((c->id <  V4L2_CID_BASE ||
1689              c->id >= V4L2_CID_LASTP1) &&
1690             (c->id <  V4L2_CID_PRIVATE_BASE ||
1691              c->id >= V4L2_CID_PRIVATE_LASTP1))
1692                 return -EINVAL;
1693         ctrl = ctrl_by_id(c->id);
1694         *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1695         return 0;
1696 }
1697
1698 static int saa7134_enum_input(struct file *file, void *priv,
1699                                         struct v4l2_input *i)
1700 {
1701         struct saa7134_fh *fh = priv;
1702         struct saa7134_dev *dev = fh->dev;
1703         unsigned int n;
1704
1705         n = i->index;
1706         if (n >= SAA7134_INPUT_MAX)
1707                 return -EINVAL;
1708         if (NULL == card_in(dev, i->index).name)
1709                 return -EINVAL;
1710         memset(i, 0, sizeof(*i));
1711         i->index = n;
1712         i->type  = V4L2_INPUT_TYPE_CAMERA;
1713         strcpy(i->name, card_in(dev, n).name);
1714         if (card_in(dev, n).tv)
1715                 i->type = V4L2_INPUT_TYPE_TUNER;
1716         i->audioset = 1;
1717         if (n == dev->ctl_input) {
1718                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1719                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1720
1721                 if (0 != (v1 & 0x40))
1722                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1723                 if (0 != (v2 & 0x40))
1724                         i->status |= V4L2_IN_ST_NO_SYNC;
1725                 if (0 != (v2 & 0x0e))
1726                         i->status |= V4L2_IN_ST_MACROVISION;
1727         }
1728         i->std = SAA7134_NORMS;
1729         return 0;
1730 }
1731
1732 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1733 {
1734         struct saa7134_fh *fh = priv;
1735         struct saa7134_dev *dev = fh->dev;
1736
1737         *i = dev->ctl_input;
1738         return 0;
1739 }
1740
1741 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1742 {
1743         struct saa7134_fh *fh = priv;
1744         struct saa7134_dev *dev = fh->dev;
1745         int err;
1746
1747         err = v4l2_prio_check(&dev->prio, &fh->prio);
1748         if (0 != err)
1749                 return err;
1750
1751         if (i < 0  ||  i >= SAA7134_INPUT_MAX)
1752                 return -EINVAL;
1753         if (NULL == card_in(dev, i).name)
1754                 return -EINVAL;
1755         mutex_lock(&dev->lock);
1756         video_mux(dev, i);
1757         mutex_unlock(&dev->lock);
1758         return 0;
1759 }
1760
1761 static int saa7134_querycap(struct file *file, void  *priv,
1762                                         struct v4l2_capability *cap)
1763 {
1764         struct saa7134_fh *fh = priv;
1765         struct saa7134_dev *dev = fh->dev;
1766
1767         unsigned int tuner_type = dev->tuner_type;
1768
1769         strcpy(cap->driver, "saa7134");
1770         strlcpy(cap->card, saa7134_boards[dev->board].name,
1771                 sizeof(cap->card));
1772         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1773         cap->version = SAA7134_VERSION_CODE;
1774         cap->capabilities =
1775                 V4L2_CAP_VIDEO_CAPTURE |
1776                 V4L2_CAP_VBI_CAPTURE |
1777                 V4L2_CAP_READWRITE |
1778                 V4L2_CAP_STREAMING |
1779                 V4L2_CAP_TUNER;
1780         if (saa7134_no_overlay <= 0)
1781                 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1782
1783         if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1784                 cap->capabilities &= ~V4L2_CAP_TUNER;
1785                 return 0;
1786 }
1787
1788 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1789 {
1790         struct saa7134_fh *fh = priv;
1791         struct saa7134_dev *dev = fh->dev;
1792         unsigned long flags;
1793         unsigned int i;
1794         v4l2_std_id fixup;
1795         int err;
1796
1797         err = v4l2_prio_check(&dev->prio, &fh->prio);
1798         if (0 != err)
1799                 return err;
1800
1801         for (i = 0; i < TVNORMS; i++)
1802                 if (*id == tvnorms[i].id)
1803                         break;
1804
1805         if (i == TVNORMS)
1806                 for (i = 0; i < TVNORMS; i++)
1807                         if (*id & tvnorms[i].id)
1808                                 break;
1809         if (i == TVNORMS)
1810                 return -EINVAL;
1811
1812         if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1813                 if (secam[0] == 'L' || secam[0] == 'l') {
1814                         if (secam[1] == 'C' || secam[1] == 'c')
1815                                 fixup = V4L2_STD_SECAM_LC;
1816                         else
1817                                 fixup = V4L2_STD_SECAM_L;
1818                 } else {
1819                         if (secam[0] == 'D' || secam[0] == 'd')
1820                                 fixup = V4L2_STD_SECAM_DK;
1821                         else
1822                                 fixup = V4L2_STD_SECAM;
1823                 }
1824                 for (i = 0; i < TVNORMS; i++)
1825                         if (fixup == tvnorms[i].id)
1826                                 break;
1827         }
1828
1829         *id = tvnorms[i].id;
1830
1831         mutex_lock(&dev->lock);
1832         if (res_check(fh, RESOURCE_OVERLAY)) {
1833                 spin_lock_irqsave(&dev->slock, flags);
1834                 stop_preview(dev, fh);
1835                 spin_unlock_irqrestore(&dev->slock, flags);
1836
1837                 set_tvnorm(dev, &tvnorms[i]);
1838
1839                 spin_lock_irqsave(&dev->slock, flags);
1840                 start_preview(dev, fh);
1841                 spin_unlock_irqrestore(&dev->slock, flags);
1842         } else
1843                 set_tvnorm(dev, &tvnorms[i]);
1844
1845         saa7134_tvaudio_do_scan(dev);
1846         mutex_unlock(&dev->lock);
1847         return 0;
1848 }
1849
1850 static int saa7134_cropcap(struct file *file, void *priv,
1851                                         struct v4l2_cropcap *cap)
1852 {
1853         struct saa7134_fh *fh = priv;
1854         struct saa7134_dev *dev = fh->dev;
1855
1856         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1857             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1858                 return -EINVAL;
1859         cap->bounds  = dev->crop_bounds;
1860         cap->defrect = dev->crop_defrect;
1861         cap->pixelaspect.numerator   = 1;
1862         cap->pixelaspect.denominator = 1;
1863         if (dev->tvnorm->id & V4L2_STD_525_60) {
1864                 cap->pixelaspect.numerator   = 11;
1865                 cap->pixelaspect.denominator = 10;
1866         }
1867         if (dev->tvnorm->id & V4L2_STD_625_50) {
1868                 cap->pixelaspect.numerator   = 54;
1869                 cap->pixelaspect.denominator = 59;
1870         }
1871         return 0;
1872 }
1873
1874 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1875 {
1876         struct saa7134_fh *fh = f;
1877         struct saa7134_dev *dev = fh->dev;
1878
1879         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1880             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1881                 return -EINVAL;
1882         crop->c = dev->crop_current;
1883         return 0;
1884 }
1885
1886 static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1887 {
1888         struct saa7134_fh *fh = f;
1889         struct saa7134_dev *dev = fh->dev;
1890         struct v4l2_rect *b = &dev->crop_bounds;
1891
1892         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1893             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1894                 return -EINVAL;
1895         if (crop->c.height < 0)
1896                 return -EINVAL;
1897         if (crop->c.width < 0)
1898                 return -EINVAL;
1899
1900         if (res_locked(fh->dev, RESOURCE_OVERLAY))
1901                 return -EBUSY;
1902         if (res_locked(fh->dev, RESOURCE_VIDEO))
1903                 return -EBUSY;
1904
1905         if (crop->c.top < b->top)
1906                 crop->c.top = b->top;
1907         if (crop->c.top > b->top + b->height)
1908                 crop->c.top = b->top + b->height;
1909         if (crop->c.height > b->top - crop->c.top + b->height)
1910                 crop->c.height = b->top - crop->c.top + b->height;
1911
1912         if (crop->c.left < b->left)
1913                 crop->c.left = b->left;
1914         if (crop->c.left > b->left + b->width)
1915                 crop->c.left = b->left + b->width;
1916         if (crop->c.width > b->left - crop->c.left + b->width)
1917                 crop->c.width = b->left - crop->c.left + b->width;
1918
1919         dev->crop_current = crop->c;
1920         return 0;
1921 }
1922
1923 static int saa7134_g_tuner(struct file *file, void *priv,
1924                                         struct v4l2_tuner *t)
1925 {
1926         struct saa7134_fh *fh = priv;
1927         struct saa7134_dev *dev = fh->dev;
1928         int n;
1929
1930         if (0 != t->index)
1931                 return -EINVAL;
1932         memset(t, 0, sizeof(*t));
1933         for (n = 0; n < SAA7134_INPUT_MAX; n++)
1934                 if (card_in(dev, n).tv)
1935                         break;
1936         if (NULL != card_in(dev, n).name) {
1937                 strcpy(t->name, "Television");
1938                 t->type = V4L2_TUNER_ANALOG_TV;
1939                 t->capability = V4L2_TUNER_CAP_NORM |
1940                         V4L2_TUNER_CAP_STEREO |
1941                         V4L2_TUNER_CAP_LANG1 |
1942                         V4L2_TUNER_CAP_LANG2;
1943                 t->rangehigh = 0xffffffffUL;
1944                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1945                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1946         }
1947         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1948                 t->signal = 0xffff;
1949         return 0;
1950 }
1951
1952 static int saa7134_s_tuner(struct file *file, void *priv,
1953                                         struct v4l2_tuner *t)
1954 {
1955         struct saa7134_fh *fh = priv;
1956         struct saa7134_dev *dev = fh->dev;
1957         int rx, mode, err;
1958
1959         err = v4l2_prio_check(&dev->prio, &fh->prio);
1960         if (0 != err)
1961                 return err;
1962
1963         mode = dev->thread.mode;
1964         if (UNSET == mode) {
1965                 rx   = saa7134_tvaudio_getstereo(dev);
1966                 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1967         }
1968         if (mode != t->audmode)
1969                 dev->thread.mode = t->audmode;
1970
1971         return 0;
1972 }
1973
1974 static int saa7134_g_frequency(struct file *file, void *priv,
1975                                         struct v4l2_frequency *f)
1976 {
1977         struct saa7134_fh *fh = priv;
1978         struct saa7134_dev *dev = fh->dev;
1979
1980         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1981         f->frequency = dev->ctl_freq;
1982
1983         return 0;
1984 }
1985
1986 static int saa7134_s_frequency(struct file *file, void *priv,
1987                                         struct v4l2_frequency *f)
1988 {
1989         struct saa7134_fh *fh = priv;
1990         struct saa7134_dev *dev = fh->dev;
1991         int err;
1992
1993         err = v4l2_prio_check(&dev->prio, &fh->prio);
1994         if (0 != err)
1995                 return err;
1996
1997         if (0 != f->tuner)
1998                 return -EINVAL;
1999         if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2000                 return -EINVAL;
2001         if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2002                 return -EINVAL;
2003         mutex_lock(&dev->lock);
2004         dev->ctl_freq = f->frequency;
2005
2006         saa7134_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
2007
2008         saa7134_tvaudio_do_scan(dev);
2009         mutex_unlock(&dev->lock);
2010         return 0;
2011 }
2012
2013 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2014 {
2015         strcpy(a->name, "audio");
2016         return 0;
2017 }
2018
2019 static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
2020 {
2021         return 0;
2022 }
2023
2024 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2025 {
2026         struct saa7134_fh *fh = f;
2027         struct saa7134_dev *dev = fh->dev;
2028
2029         *p = v4l2_prio_max(&dev->prio);
2030         return 0;
2031 }
2032
2033 static int saa7134_s_priority(struct file *file, void *f,
2034                                         enum v4l2_priority prio)
2035 {
2036         struct saa7134_fh *fh = f;
2037         struct saa7134_dev *dev = fh->dev;
2038
2039         return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2040 }
2041
2042 static int saa7134_enum_fmt_cap(struct file *file, void  *priv,
2043                                         struct v4l2_fmtdesc *f)
2044 {
2045         if (f->index >= FORMATS)
2046                 return -EINVAL;
2047
2048         strlcpy(f->description, formats[f->index].name,
2049                 sizeof(f->description));
2050
2051         f->pixelformat = formats[f->index].fourcc;
2052
2053         return 0;
2054 }
2055
2056 static int saa7134_enum_fmt_overlay(struct file *file, void  *priv,
2057                                         struct v4l2_fmtdesc *f)
2058 {
2059         if (saa7134_no_overlay > 0) {
2060                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2061                 return -EINVAL;
2062         }
2063
2064         if ((f->index >= FORMATS) || formats[f->index].planar)
2065                 return -EINVAL;
2066
2067         strlcpy(f->description, formats[f->index].name,
2068                 sizeof(f->description));
2069
2070         f->pixelformat = formats[f->index].fourcc;
2071
2072         return 0;
2073 }
2074
2075 static int saa7134_enum_fmt_vbi(struct file *file, void  *priv,
2076                                         struct v4l2_fmtdesc *f)
2077 {
2078         if (0 != f->index)
2079                 return -EINVAL;
2080
2081         f->pixelformat = V4L2_PIX_FMT_GREY;
2082         strcpy(f->description, "vbi data");
2083
2084         return 0;
2085 }
2086
2087 static int saa7134_g_fbuf(struct file *file, void *f,
2088                                 struct v4l2_framebuffer *fb)
2089 {
2090         struct saa7134_fh *fh = f;
2091         struct saa7134_dev *dev = fh->dev;
2092
2093         *fb = dev->ovbuf;
2094         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2095
2096         return 0;
2097 }
2098
2099 static int saa7134_s_fbuf(struct file *file, void *f,
2100                                         struct v4l2_framebuffer *fb)
2101 {
2102         struct saa7134_fh *fh = f;
2103         struct saa7134_dev *dev = fh->dev;
2104         struct saa7134_format *fmt;
2105
2106         if (!capable(CAP_SYS_ADMIN) &&
2107            !capable(CAP_SYS_RAWIO))
2108                 return -EPERM;
2109
2110         /* check args */
2111         fmt = format_by_fourcc(fb->fmt.pixelformat);
2112         if (NULL == fmt)
2113                 return -EINVAL;
2114
2115         /* ok, accept it */
2116         dev->ovbuf = *fb;
2117         dev->ovfmt = fmt;
2118         if (0 == dev->ovbuf.fmt.bytesperline)
2119                 dev->ovbuf.fmt.bytesperline =
2120                         dev->ovbuf.fmt.width*fmt->depth/8;
2121         return 0;
2122 }
2123
2124 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2125 {
2126         struct saa7134_fh *fh = f;
2127         struct saa7134_dev *dev = fh->dev;
2128         unsigned long flags;
2129
2130         if (on) {
2131                 if (saa7134_no_overlay > 0) {
2132                         dprintk("no_overlay\n");
2133                         return -EINVAL;
2134                 }
2135
2136                 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2137                         return -EBUSY;
2138                 spin_lock_irqsave(&dev->slock, flags);
2139                 start_preview(dev, fh);
2140                 spin_unlock_irqrestore(&dev->slock, flags);
2141         }
2142         if (!on) {
2143                 if (!res_check(fh, RESOURCE_OVERLAY))
2144                         return -EINVAL;
2145                 spin_lock_irqsave(&dev->slock, flags);
2146                 stop_preview(dev, fh);
2147                 spin_unlock_irqrestore(&dev->slock, flags);
2148                 res_free(dev, fh, RESOURCE_OVERLAY);
2149         }
2150         return 0;
2151 }
2152
2153 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2154 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2155 {
2156         struct saa7134_fh *fh = file->private_data;
2157         return videobuf_cgmbuf(saa7134_queue(fh), mbuf, 8);
2158 }
2159 #endif
2160
2161 static int saa7134_reqbufs(struct file *file, void *priv,
2162                                         struct v4l2_requestbuffers *p)
2163 {
2164         struct saa7134_fh *fh = priv;
2165         return videobuf_reqbufs(saa7134_queue(fh), p);
2166 }
2167
2168 static int saa7134_querybuf(struct file *file, void *priv,
2169                                         struct v4l2_buffer *b)
2170 {
2171         struct saa7134_fh *fh = priv;
2172         return videobuf_querybuf(saa7134_queue(fh), b);
2173 }
2174
2175 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2176 {
2177         struct saa7134_fh *fh = priv;
2178         return videobuf_qbuf(saa7134_queue(fh), b);
2179 }
2180
2181 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2182 {
2183         struct saa7134_fh *fh = priv;
2184         return videobuf_dqbuf(saa7134_queue(fh), b,
2185                                 file->f_flags & O_NONBLOCK);
2186 }
2187
2188 static int saa7134_streamon(struct file *file, void *priv,
2189                                         enum v4l2_buf_type type)
2190 {
2191         struct saa7134_fh *fh = priv;
2192         struct saa7134_dev *dev = fh->dev;
2193         int res = saa7134_resource(fh);
2194
2195         if (!res_get(dev, fh, res))
2196                 return -EBUSY;
2197
2198         return videobuf_streamon(saa7134_queue(fh));
2199 }
2200
2201 static int saa7134_streamoff(struct file *file, void *priv,
2202                                         enum v4l2_buf_type type)
2203 {
2204         int err;
2205         struct saa7134_fh *fh = priv;
2206         struct saa7134_dev *dev = fh->dev;
2207         int res = saa7134_resource(fh);
2208
2209         err = videobuf_streamoff(saa7134_queue(fh));
2210         if (err < 0)
2211                 return err;
2212         res_free(dev, fh, res);
2213         return 0;
2214 }
2215
2216 static int saa7134_g_parm(struct file *file, void *fh,
2217                                 struct v4l2_streamparm *parm)
2218 {
2219         return 0;
2220 }
2221
2222 static int radio_querycap(struct file *file, void *priv,
2223                                         struct v4l2_capability *cap)
2224 {
2225         struct saa7134_fh *fh = file->private_data;
2226         struct saa7134_dev *dev = fh->dev;
2227
2228         strcpy(cap->driver, "saa7134");
2229         strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2230         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2231         cap->version = SAA7134_VERSION_CODE;
2232         cap->capabilities = V4L2_CAP_TUNER;
2233         return 0;
2234 }
2235
2236 static int radio_g_tuner(struct file *file, void *priv,
2237                                         struct v4l2_tuner *t)
2238 {
2239         struct saa7134_fh *fh = file->private_data;
2240         struct saa7134_dev *dev = fh->dev;
2241
2242         if (0 != t->index)
2243                 return -EINVAL;
2244
2245         memset(t, 0, sizeof(*t));
2246         strcpy(t->name, "Radio");
2247         t->type = V4L2_TUNER_RADIO;
2248
2249         saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2250         if (dev->input->amux == TV) {
2251                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2252                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2253                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2254         }
2255         return 0;
2256 }
2257 static int radio_s_tuner(struct file *file, void *priv,
2258                                         struct v4l2_tuner *t)
2259 {
2260         struct saa7134_fh *fh = file->private_data;
2261         struct saa7134_dev *dev = fh->dev;
2262
2263         if (0 != t->index)
2264                 return -EINVAL;
2265
2266         saa7134_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
2267         return 0;
2268 }
2269
2270 static int radio_enum_input(struct file *file, void *priv,
2271                                         struct v4l2_input *i)
2272 {
2273         if (i->index != 0)
2274                 return -EINVAL;
2275
2276         strcpy(i->name, "Radio");
2277         i->type = V4L2_INPUT_TYPE_TUNER;
2278
2279         return 0;
2280 }
2281
2282 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2283 {
2284         *i = 0;
2285         return 0;
2286 }
2287
2288 static int radio_g_audio(struct file *file, void *priv,
2289                                         struct v4l2_audio *a)
2290 {
2291         memset(a, 0, sizeof(*a));
2292         strcpy(a->name, "Radio");
2293         return 0;
2294 }
2295
2296 static int radio_s_audio(struct file *file, void *priv,
2297                                         struct v4l2_audio *a)
2298 {
2299         return 0;
2300 }
2301
2302 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2303 {
2304         return 0;
2305 }
2306
2307 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2308 {
2309         return 0;
2310 }
2311
2312 static int radio_queryctrl(struct file *file, void *priv,
2313                                         struct v4l2_queryctrl *c)
2314 {
2315         const struct v4l2_queryctrl *ctrl;
2316
2317         if (c->id <  V4L2_CID_BASE ||
2318             c->id >= V4L2_CID_LASTP1)
2319                 return -EINVAL;
2320         if (c->id == V4L2_CID_AUDIO_MUTE) {
2321                 ctrl = ctrl_by_id(c->id);
2322                 *c = *ctrl;
2323         } else
2324                 *c = no_ctrl;
2325         return 0;
2326 }
2327
2328 static const struct file_operations video_fops =
2329 {
2330         .owner    = THIS_MODULE,
2331         .open     = video_open,
2332         .release  = video_release,
2333         .read     = video_read,
2334         .poll     = video_poll,
2335         .mmap     = video_mmap,
2336         .ioctl    = video_ioctl2,
2337         .compat_ioctl   = v4l_compat_ioctl32,
2338         .llseek   = no_llseek,
2339 };
2340
2341 static const struct file_operations radio_fops =
2342 {
2343         .owner    = THIS_MODULE,
2344         .open     = video_open,
2345         .release  = video_release,
2346         .ioctl    = video_ioctl2,
2347         .compat_ioctl   = v4l_compat_ioctl32,
2348         .llseek   = no_llseek,
2349 };
2350
2351 /* ----------------------------------------------------------- */
2352 /* exported stuff                                              */
2353
2354 struct video_device saa7134_video_template =
2355 {
2356         .name                           = "saa7134-video",
2357         .type                           = VID_TYPE_CAPTURE|VID_TYPE_TUNER |
2358                                         VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2359         .fops                           = &video_fops,
2360         .minor                          = -1,
2361         .vidioc_querycap                = saa7134_querycap,
2362         .vidioc_enum_fmt_cap            = saa7134_enum_fmt_cap,
2363         .vidioc_g_fmt_cap               = saa7134_g_fmt_cap,
2364         .vidioc_try_fmt_cap             = saa7134_try_fmt_cap,
2365         .vidioc_s_fmt_cap               = saa7134_s_fmt_cap,
2366         .vidioc_enum_fmt_overlay        = saa7134_enum_fmt_overlay,
2367         .vidioc_g_fmt_overlay           = saa7134_g_fmt_overlay,
2368         .vidioc_try_fmt_overlay         = saa7134_try_fmt_overlay,
2369         .vidioc_s_fmt_overlay           = saa7134_s_fmt_overlay,
2370         .vidioc_enum_fmt_vbi            = saa7134_enum_fmt_vbi,
2371         .vidioc_g_fmt_vbi               = saa7134_try_get_set_fmt_vbi,
2372         .vidioc_try_fmt_vbi             = saa7134_try_get_set_fmt_vbi,
2373         .vidioc_s_fmt_vbi               = saa7134_try_get_set_fmt_vbi,
2374         .vidioc_g_audio                 = saa7134_g_audio,
2375         .vidioc_s_audio                 = saa7134_s_audio,
2376         .vidioc_cropcap                 = saa7134_cropcap,
2377         .vidioc_reqbufs                 = saa7134_reqbufs,
2378         .vidioc_querybuf                = saa7134_querybuf,
2379         .vidioc_qbuf                    = saa7134_qbuf,
2380         .vidioc_dqbuf                   = saa7134_dqbuf,
2381         .vidioc_s_std                   = saa7134_s_std,
2382         .vidioc_enum_input              = saa7134_enum_input,
2383         .vidioc_g_input                 = saa7134_g_input,
2384         .vidioc_s_input                 = saa7134_s_input,
2385         .vidioc_queryctrl               = saa7134_queryctrl,
2386         .vidioc_g_ctrl                  = saa7134_g_ctrl,
2387         .vidioc_s_ctrl                  = saa7134_s_ctrl,
2388         .vidioc_streamon                = saa7134_streamon,
2389         .vidioc_streamoff               = saa7134_streamoff,
2390         .vidioc_g_tuner                 = saa7134_g_tuner,
2391         .vidioc_s_tuner                 = saa7134_s_tuner,
2392 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2393         .vidiocgmbuf                    = vidiocgmbuf,
2394 #endif
2395         .vidioc_g_crop                  = saa7134_g_crop,
2396         .vidioc_s_crop                  = saa7134_s_crop,
2397         .vidioc_g_fbuf                  = saa7134_g_fbuf,
2398         .vidioc_s_fbuf                  = saa7134_s_fbuf,
2399         .vidioc_overlay                 = saa7134_overlay,
2400         .vidioc_g_priority              = saa7134_g_priority,
2401         .vidioc_s_priority              = saa7134_s_priority,
2402         .vidioc_g_parm                  = saa7134_g_parm,
2403         .vidioc_g_frequency             = saa7134_g_frequency,
2404         .vidioc_s_frequency             = saa7134_s_frequency,
2405         .tvnorms                        = SAA7134_NORMS,
2406         .current_norm                   = V4L2_STD_PAL,
2407 };
2408
2409 struct video_device saa7134_vbi_template =
2410 {
2411         .name          = "saa7134-vbi",
2412         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2413         .fops          = &video_fops,
2414         .minor         = -1,
2415 };
2416
2417 struct video_device saa7134_radio_template =
2418 {
2419         .name                   = "saa7134-radio",
2420         .type                   = VID_TYPE_TUNER,
2421         .fops                   = &radio_fops,
2422         .minor                  = -1,
2423         .vidioc_querycap        = radio_querycap,
2424         .vidioc_g_tuner         = radio_g_tuner,
2425         .vidioc_enum_input      = radio_enum_input,
2426         .vidioc_g_audio         = radio_g_audio,
2427         .vidioc_s_tuner         = radio_s_tuner,
2428         .vidioc_s_audio         = radio_s_audio,
2429         .vidioc_s_input         = radio_s_input,
2430         .vidioc_s_std           = radio_s_std,
2431         .vidioc_queryctrl       = radio_queryctrl,
2432         .vidioc_g_input         = radio_g_input,
2433         .vidioc_g_ctrl          = saa7134_g_ctrl,
2434         .vidioc_s_ctrl          = saa7134_s_ctrl,
2435         .vidioc_g_frequency     = saa7134_g_frequency,
2436         .vidioc_s_frequency     = saa7134_s_frequency,
2437 };
2438
2439 int saa7134_video_init1(struct saa7134_dev *dev)
2440 {
2441         /* sanitycheck insmod options */
2442         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2443                 gbuffers = 2;
2444         if (gbufsize < 0 || gbufsize > gbufsize_max)
2445                 gbufsize = gbufsize_max;
2446         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2447
2448         /* put some sensible defaults into the data structures ... */
2449         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2450         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2451         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2452         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2453         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2454         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2455         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2456         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2457
2458         if (dev->tda9887_conf && dev->ctl_automute)
2459                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2460         dev->automute       = 0;
2461
2462         INIT_LIST_HEAD(&dev->video_q.queue);
2463         init_timer(&dev->video_q.timeout);
2464         dev->video_q.timeout.function = saa7134_buffer_timeout;
2465         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2466         dev->video_q.dev              = dev;
2467
2468         if (saa7134_boards[dev->board].video_out)
2469                 saa7134_videoport_init(dev);
2470
2471         return 0;
2472 }
2473
2474 int saa7134_videoport_init(struct saa7134_dev *dev)
2475 {
2476         /* enable video output */
2477         int vo = saa7134_boards[dev->board].video_out;
2478         int video_reg;
2479         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2480         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2481         video_reg = video_out[vo][1];
2482         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2483                 video_reg &= ~VP_T_CODE_P_INVERTED;
2484         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2485         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2486         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2487         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2488         video_reg = video_out[vo][5];
2489         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2490                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2491         if (vid_port_opts & SET_CLOCK_INVERTED)
2492                 video_reg |= VP_CLK_CTRL1_INVERTED;
2493         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2494         video_reg = video_out[vo][6];
2495         if (vid_port_opts & SET_VSYNC_OFF) {
2496                 video_reg &= ~VP_VS_TYPE_MASK;
2497                 video_reg |= VP_VS_TYPE_OFF;
2498         }
2499         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2500         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2501         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2502
2503         return 0;
2504 }
2505
2506 int saa7134_video_init2(struct saa7134_dev *dev)
2507 {
2508         /* init video hw */
2509         set_tvnorm(dev,&tvnorms[0]);
2510         video_mux(dev,0);
2511         saa7134_tvaudio_setmute(dev);
2512         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2513         return 0;
2514 }
2515
2516 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2517 {
2518         static const char *st[] = {
2519                 "(no signal)", "NTSC", "PAL", "SECAM" };
2520         u32 st1,st2;
2521
2522         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2523         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2524         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2525                 (st1 & 0x40) ? "not locked" : "locked",
2526                 (st2 & 0x40) ? "no"         : "yes",
2527                 st[st1 & 0x03]);
2528         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2529
2530         if (dev->nosignal) {
2531                 /* no video signal -> mute audio */
2532                 if (dev->ctl_automute)
2533                         dev->automute = 1;
2534                 saa7134_tvaudio_setmute(dev);
2535         } else {
2536                 /* wake up tvaudio audio carrier scan thread */
2537                 saa7134_tvaudio_do_scan(dev);
2538         }
2539
2540         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2541                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2542         else
2543                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2544
2545         if (dev->mops && dev->mops->signal_change)
2546                 dev->mops->signal_change(dev);
2547 }
2548
2549
2550 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2551 {
2552         enum v4l2_field field;
2553
2554         spin_lock(&dev->slock);
2555         if (dev->video_q.curr) {
2556                 dev->video_fieldcount++;
2557                 field = dev->video_q.curr->vb.field;
2558                 if (V4L2_FIELD_HAS_BOTH(field)) {
2559                         /* make sure we have seen both fields */
2560                         if ((status & 0x10) == 0x00) {
2561                                 dev->video_q.curr->top_seen = 1;
2562                                 goto done;
2563                         }
2564                         if (!dev->video_q.curr->top_seen)
2565                                 goto done;
2566                 } else if (field == V4L2_FIELD_TOP) {
2567                         if ((status & 0x10) != 0x10)
2568                                 goto done;
2569                 } else if (field == V4L2_FIELD_BOTTOM) {
2570                         if ((status & 0x10) != 0x00)
2571                                 goto done;
2572                 }
2573                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2574                 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2575         }
2576         saa7134_buffer_next(dev,&dev->video_q);
2577
2578  done:
2579         spin_unlock(&dev->slock);
2580 }
2581
2582 /* ----------------------------------------------------------- */
2583 /*
2584  * Local variables:
2585  * c-basic-offset: 8
2586  * End:
2587  */