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

   1 /*
   2  *
   3  * device driver for philips saa7134 based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/moduleparam.h>
  27 #include <linux/kernel.h>
  28 #include <linux/slab.h>
  29 #include <linux/sort.h>
  30
  31 #include "saa7134-reg.h"
  32 #include "saa7134.h"
  33 #include <media/v4l2-common.h>
  34
  35 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  36 /* Include V4L1 specific functions. Should be removed soon */
  37 #include <linux/videodev.h>
  38 #endif
  39
  40 /* ------------------------------------------------------------------ */
  41
  42 static unsigned int video_debug   = 0;
  43 static unsigned int gbuffers      = 8;
  44 static unsigned int noninterlaced = 1;
  45 static unsigned int gbufsize      = 720*576*4;
  46 static unsigned int gbufsize_max  = 720*576*4;
  47 static char secam[] = "--";
  48 module_param(video_debug, int, 0644);
  49 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  50 module_param(gbuffers, int, 0444);
  51 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  52 module_param(noninterlaced, int, 0644);
  53 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
  54 module_param_string(secam, secam, sizeof(secam), 0644);
  55 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
  56
  57
  58 #define dprintk(fmt, arg...)    if (video_debug) \
  59         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  60
  61 /* ------------------------------------------------------------------ */
  62 /* Defines for Video Output Port Register at address 0x191            */
  63
  64 /* Bit 0: VIP code T bit polarity */
  65
  66 #define VP_T_CODE_P_NON_INVERTED        0x00
  67 #define VP_T_CODE_P_INVERTED            0x01
  68
  69 /* ------------------------------------------------------------------ */
  70 /* Defines for Video Output Port Register at address 0x195            */
  71
  72 /* Bit 2: Video output clock delay control */
  73
  74 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
  75 #define VP_CLK_CTRL2_DELAYED            0x04
  76
  77 /* Bit 1: Video output clock invert control */
  78
  79 #define VP_CLK_CTRL1_NON_INVERTED       0x00
  80 #define VP_CLK_CTRL1_INVERTED           0x02
  81
  82 /* ------------------------------------------------------------------ */
  83 /* Defines for Video Output Port Register at address 0x196            */
  84
  85 /* Bits 2 to 0: VSYNC pin video vertical sync type */
  86
  87 #define VP_VS_TYPE_MASK                 0x07
  88
  89 #define VP_VS_TYPE_OFF                  0x00
  90 #define VP_VS_TYPE_V123                 0x01
  91 #define VP_VS_TYPE_V_ITU                0x02
  92 #define VP_VS_TYPE_VGATE_L              0x03
  93 #define VP_VS_TYPE_RESERVED1            0x04
  94 #define VP_VS_TYPE_RESERVED2            0x05
  95 #define VP_VS_TYPE_F_ITU                0x06
  96 #define VP_VS_TYPE_SC_FID               0x07
  97
  98 /* ------------------------------------------------------------------ */
  99 /* data structs for video                                             */
 100
 101 static int video_out[][9] = {
 102         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
 103 };
 104
 105 static struct saa7134_format formats[] = {
 106         {
 107                 .name     = "8 bpp gray",
 108                 .fourcc   = V4L2_PIX_FMT_GREY,
 109                 .depth    = 8,
 110                 .pm       = 0x06,
 111         },{
 112                 .name     = "15 bpp RGB, le",
 113                 .fourcc   = V4L2_PIX_FMT_RGB555,
 114                 .depth    = 16,
 115                 .pm       = 0x13 | 0x80,
 116         },{
 117                 .name     = "15 bpp RGB, be",
 118                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 119                 .depth    = 16,
 120                 .pm       = 0x13 | 0x80,
 121                 .bswap    = 1,
 122         },{
 123                 .name     = "16 bpp RGB, le",
 124                 .fourcc   = V4L2_PIX_FMT_RGB565,
 125                 .depth    = 16,
 126                 .pm       = 0x10 | 0x80,
 127         },{
 128                 .name     = "16 bpp RGB, be",
 129                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 130                 .depth    = 16,
 131                 .pm       = 0x10 | 0x80,
 132                 .bswap    = 1,
 133         },{
 134                 .name     = "24 bpp RGB, le",
 135                 .fourcc   = V4L2_PIX_FMT_BGR24,
 136                 .depth    = 24,
 137                 .pm       = 0x11,
 138         },{
 139                 .name     = "24 bpp RGB, be",
 140                 .fourcc   = V4L2_PIX_FMT_RGB24,
 141                 .depth    = 24,
 142                 .pm       = 0x11,
 143                 .bswap    = 1,
 144         },{
 145                 .name     = "32 bpp RGB, le",
 146                 .fourcc   = V4L2_PIX_FMT_BGR32,
 147                 .depth    = 32,
 148                 .pm       = 0x12,
 149         },{
 150                 .name     = "32 bpp RGB, be",
 151                 .fourcc   = V4L2_PIX_FMT_RGB32,
 152                 .depth    = 32,
 153                 .pm       = 0x12,
 154                 .bswap    = 1,
 155                 .wswap    = 1,
 156         },{
 157                 .name     = "4:2:2 packed, YUYV",
 158                 .fourcc   = V4L2_PIX_FMT_YUYV,
 159                 .depth    = 16,
 160                 .pm       = 0x00,
 161                 .bswap    = 1,
 162                 .yuv      = 1,
 163         },{
 164                 .name     = "4:2:2 packed, UYVY",
 165                 .fourcc   = V4L2_PIX_FMT_UYVY,
 166                 .depth    = 16,
 167                 .pm       = 0x00,
 168                 .yuv      = 1,
 169         },{
 170                 .name     = "4:2:2 planar, Y-Cb-Cr",
 171                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 172                 .depth    = 16,
 173                 .pm       = 0x09,
 174                 .yuv      = 1,
 175                 .planar   = 1,
 176                 .hshift   = 1,
 177                 .vshift   = 0,
 178         },{
 179                 .name     = "4:2:0 planar, Y-Cb-Cr",
 180                 .fourcc   = V4L2_PIX_FMT_YUV420,
 181                 .depth    = 12,
 182                 .pm       = 0x0a,
 183                 .yuv      = 1,
 184                 .planar   = 1,
 185                 .hshift   = 1,
 186                 .vshift   = 1,
 187         },{
 188                 .name     = "4:2:0 planar, Y-Cb-Cr",
 189                 .fourcc   = V4L2_PIX_FMT_YVU420,
 190                 .depth    = 12,
 191                 .pm       = 0x0a,
 192                 .yuv      = 1,
 193                 .planar   = 1,
 194                 .uvswap   = 1,
 195                 .hshift   = 1,
 196                 .vshift   = 1,
 197         }
 198 };
 199 #define FORMATS ARRAY_SIZE(formats)
 200
 201 #define NORM_625_50                     \
 202                 .h_start       = 0,     \
 203                 .h_stop        = 719,   \
 204                 .video_v_start = 24,    \
 205                 .video_v_stop  = 311,   \
 206                 .vbi_v_start_0 = 7,     \
 207                 .vbi_v_stop_0  = 22,    \
 208                 .vbi_v_start_1 = 319,   \
 209                 .src_timing    = 4
 210
 211 #define NORM_525_60                     \
 212                 .h_start       = 0,     \
 213                 .h_stop        = 703,   \
 214                 .video_v_start = 23,    \
 215                 .video_v_stop  = 262,   \
 216                 .vbi_v_start_0 = 10,    \
 217                 .vbi_v_stop_0  = 21,    \
 218                 .vbi_v_start_1 = 273,   \
 219                 .src_timing    = 7
 220
 221 static struct saa7134_tvnorm tvnorms[] = {
 222         {
 223                 .name          = "PAL", /* autodetect */
 224                 .id            = V4L2_STD_PAL,
 225                 NORM_625_50,
 226
 227                 .sync_control  = 0x18,
 228                 .luma_control  = 0x40,
 229                 .chroma_ctrl1  = 0x81,
 230                 .chroma_gain   = 0x2a,
 231                 .chroma_ctrl2  = 0x06,
 232                 .vgate_misc    = 0x1c,
 233
 234         },{
 235                 .name          = "PAL-BG",
 236                 .id            = V4L2_STD_PAL_BG,
 237                 NORM_625_50,
 238
 239                 .sync_control  = 0x18,
 240                 .luma_control  = 0x40,
 241                 .chroma_ctrl1  = 0x81,
 242                 .chroma_gain   = 0x2a,
 243                 .chroma_ctrl2  = 0x06,
 244                 .vgate_misc    = 0x1c,
 245
 246         },{
 247                 .name          = "PAL-I",
 248                 .id            = V4L2_STD_PAL_I,
 249                 NORM_625_50,
 250
 251                 .sync_control  = 0x18,
 252                 .luma_control  = 0x40,
 253                 .chroma_ctrl1  = 0x81,
 254                 .chroma_gain   = 0x2a,
 255                 .chroma_ctrl2  = 0x06,
 256                 .vgate_misc    = 0x1c,
 257
 258         },{
 259                 .name          = "PAL-DK",
 260                 .id            = V4L2_STD_PAL_DK,
 261                 NORM_625_50,
 262
 263                 .sync_control  = 0x18,
 264                 .luma_control  = 0x40,
 265                 .chroma_ctrl1  = 0x81,
 266                 .chroma_gain   = 0x2a,
 267                 .chroma_ctrl2  = 0x06,
 268                 .vgate_misc    = 0x1c,
 269
 270         },{
 271                 .name          = "NTSC",
 272                 .id            = V4L2_STD_NTSC,
 273                 NORM_525_60,
 274
 275                 .sync_control  = 0x59,
 276                 .luma_control  = 0x40,
 277                 .chroma_ctrl1  = 0x89,
 278                 .chroma_gain   = 0x2a,
 279                 .chroma_ctrl2  = 0x0e,
 280                 .vgate_misc    = 0x18,
 281
 282         },{
 283                 .name          = "SECAM",
 284                 .id            = V4L2_STD_SECAM,
 285                 NORM_625_50,
 286
 287                 .sync_control  = 0x18,
 288                 .luma_control  = 0x1b,
 289                 .chroma_ctrl1  = 0xd1,
 290                 .chroma_gain   = 0x80,
 291                 .chroma_ctrl2  = 0x00,
 292                 .vgate_misc    = 0x1c,
 293
 294         },{
 295                 .name          = "SECAM-DK",
 296                 .id            = V4L2_STD_SECAM_DK,
 297                 NORM_625_50,
 298
 299                 .sync_control  = 0x18,
 300                 .luma_control  = 0x1b,
 301                 .chroma_ctrl1  = 0xd1,
 302                 .chroma_gain   = 0x80,
 303                 .chroma_ctrl2  = 0x00,
 304                 .vgate_misc    = 0x1c,
 305
 306         },{
 307                 .name          = "SECAM-L",
 308                 .id            = V4L2_STD_SECAM_L,
 309                 NORM_625_50,
 310
 311                 .sync_control  = 0x18,
 312                 .luma_control  = 0x1b,
 313                 .chroma_ctrl1  = 0xd1,
 314                 .chroma_gain   = 0x80,
 315                 .chroma_ctrl2  = 0x00,
 316                 .vgate_misc    = 0x1c,
 317
 318         },{
 319                 .name          = "SECAM-Lc",
 320                 .id            = V4L2_STD_SECAM_LC,
 321                 NORM_625_50,
 322
 323                 .sync_control  = 0x18,
 324                 .luma_control  = 0x1b,
 325                 .chroma_ctrl1  = 0xd1,
 326                 .chroma_gain   = 0x80,
 327                 .chroma_ctrl2  = 0x00,
 328                 .vgate_misc    = 0x1c,
 329
 330         },{
 331                 .name          = "PAL-M",
 332                 .id            = V4L2_STD_PAL_M,
 333                 NORM_525_60,
 334
 335                 .sync_control  = 0x59,
 336                 .luma_control  = 0x40,
 337                 .chroma_ctrl1  = 0xb9,
 338                 .chroma_gain   = 0x2a,
 339                 .chroma_ctrl2  = 0x0e,
 340                 .vgate_misc    = 0x18,
 341
 342         },{
 343                 .name          = "PAL-Nc",
 344                 .id            = V4L2_STD_PAL_Nc,
 345                 NORM_625_50,
 346
 347                 .sync_control  = 0x18,
 348                 .luma_control  = 0x40,
 349                 .chroma_ctrl1  = 0xa1,
 350                 .chroma_gain   = 0x2a,
 351                 .chroma_ctrl2  = 0x06,
 352                 .vgate_misc    = 0x1c,
 353
 354         },{
 355                 .name          = "PAL-60",
 356                 .id            = V4L2_STD_PAL_60,
 357
 358                 .h_start       = 0,
 359                 .h_stop        = 719,
 360                 .video_v_start = 23,
 361                 .video_v_stop  = 262,
 362                 .vbi_v_start_0 = 10,
 363                 .vbi_v_stop_0  = 21,
 364                 .vbi_v_start_1 = 273,
 365                 .src_timing    = 7,
 366
 367                 .sync_control  = 0x18,
 368                 .luma_control  = 0x40,
 369                 .chroma_ctrl1  = 0x81,
 370                 .chroma_gain   = 0x2a,
 371                 .chroma_ctrl2  = 0x06,
 372                 .vgate_misc    = 0x1c,
 373         }
 374 };
 375 #define TVNORMS ARRAY_SIZE(tvnorms)
 376
 377 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 378 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 379 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 380 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 381 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 382
 383 static const struct v4l2_queryctrl no_ctrl = {
 384         .name  = "42",
 385         .flags = V4L2_CTRL_FLAG_DISABLED,
 386 };
 387 static const struct v4l2_queryctrl video_ctrls[] = {
 388         /* --- video --- */
 389         {
 390                 .id            = V4L2_CID_BRIGHTNESS,
 391                 .name          = "Brightness",
 392                 .minimum       = 0,
 393                 .maximum       = 255,
 394                 .step          = 1,
 395                 .default_value = 128,
 396                 .type          = V4L2_CTRL_TYPE_INTEGER,
 397         },{
 398                 .id            = V4L2_CID_CONTRAST,
 399                 .name          = "Contrast",
 400                 .minimum       = 0,
 401                 .maximum       = 127,
 402                 .step          = 1,
 403                 .default_value = 68,
 404                 .type          = V4L2_CTRL_TYPE_INTEGER,
 405         },{
 406                 .id            = V4L2_CID_SATURATION,
 407                 .name          = "Saturation",
 408                 .minimum       = 0,
 409                 .maximum       = 127,
 410                 .step          = 1,
 411                 .default_value = 64,
 412                 .type          = V4L2_CTRL_TYPE_INTEGER,
 413         },{
 414                 .id            = V4L2_CID_HUE,
 415                 .name          = "Hue",
 416                 .minimum       = -128,
 417                 .maximum       = 127,
 418                 .step          = 1,
 419                 .default_value = 0,
 420                 .type          = V4L2_CTRL_TYPE_INTEGER,
 421         },{
 422                 .id            = V4L2_CID_HFLIP,
 423                 .name          = "Mirror",
 424                 .minimum       = 0,
 425                 .maximum       = 1,
 426                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 427         },
 428         /* --- audio --- */
 429         {
 430                 .id            = V4L2_CID_AUDIO_MUTE,
 431                 .name          = "Mute",
 432                 .minimum       = 0,
 433                 .maximum       = 1,
 434                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 435         },{
 436                 .id            = V4L2_CID_AUDIO_VOLUME,
 437                 .name          = "Volume",
 438                 .minimum       = -15,
 439                 .maximum       = 15,
 440                 .step          = 1,
 441                 .default_value = 0,
 442                 .type          = V4L2_CTRL_TYPE_INTEGER,
 443         },
 444         /* --- private --- */
 445         {
 446                 .id            = V4L2_CID_PRIVATE_INVERT,
 447                 .name          = "Invert",
 448                 .minimum       = 0,
 449                 .maximum       = 1,
 450                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 451         },{
 452                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 453                 .name          = "y offset odd field",
 454                 .minimum       = 0,
 455                 .maximum       = 128,
 456                 .default_value = 0,
 457                 .type          = V4L2_CTRL_TYPE_INTEGER,
 458         },{
 459                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 460                 .name          = "y offset even field",
 461                 .minimum       = 0,
 462                 .maximum       = 128,
 463                 .default_value = 0,
 464                 .type          = V4L2_CTRL_TYPE_INTEGER,
 465         },{
 466                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 467                 .name          = "automute",
 468                 .minimum       = 0,
 469                 .maximum       = 1,
 470                 .default_value = 1,
 471                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 472         }
 473 };
 474 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 475
 476 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 477 {
 478         unsigned int i;
 479
 480         for (i = 0; i < CTRLS; i++)
 481                 if (video_ctrls[i].id == id)
 482                         return video_ctrls+i;
 483         return NULL;
 484 }
 485
 486 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 487 {
 488         unsigned int i;
 489
 490         for (i = 0; i < FORMATS; i++)
 491                 if (formats[i].fourcc == fourcc)
 492                         return formats+i;
 493         return NULL;
 494 }
 495
 496 /* ----------------------------------------------------------------------- */
 497 /* resource management                                                     */
 498
 499 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 500 {
 501         if (fh->resources & bit)
 502                 /* have it already allocated */
 503                 return 1;
 504
 505         /* is it free? */
 506         mutex_lock(&dev->lock);
 507         if (dev->resources & bit) {
 508                 /* no, someone else uses it */
 509                 mutex_unlock(&dev->lock);
 510                 return 0;
 511         }
 512         /* it's free, grab it */
 513         fh->resources  |= bit;
 514         dev->resources |= bit;
 515         dprintk("res: get %d\n",bit);
 516         mutex_unlock(&dev->lock);
 517         return 1;
 518 }
 519
 520 static int res_check(struct saa7134_fh *fh, unsigned int bit)
 521 {
 522         return (fh->resources & bit);
 523 }
 524
 525 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
 526 {
 527         return (dev->resources & bit);
 528 }
 529
 530 static
 531 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 532 {
 533         BUG_ON((fh->resources & bits) != bits);
 534
 535         mutex_lock(&dev->lock);
 536         fh->resources  &= ~bits;
 537         dev->resources &= ~bits;
 538         dprintk("res: put %d\n",bits);
 539         mutex_unlock(&dev->lock);
 540 }
 541
 542 /* ------------------------------------------------------------------ */
 543
 544 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 545 {
 546         int luma_control,sync_control,mux;
 547
 548         dprintk("set tv norm = %s\n",norm->name);
 549         dev->tvnorm = norm;
 550
 551         mux = card_in(dev,dev->ctl_input).vmux;
 552         luma_control = norm->luma_control;
 553         sync_control = norm->sync_control;
 554
 555         if (mux > 5)
 556                 luma_control |= 0x80; /* svideo */
 557         if (noninterlaced || dev->nosignal)
 558                 sync_control |= 0x20;
 559
 560         /* setup cropping */
 561         dev->crop_bounds.left    = norm->h_start;
 562         dev->crop_defrect.left   = norm->h_start;
 563         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 564         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 565
 566         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 567         dev->crop_defrect.top    = norm->video_v_start*2;
 568         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 569                 - dev->crop_bounds.top;
 570         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 571
 572         dev->crop_current = dev->crop_defrect;
 573
 574         /* setup video decoder */
 575         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 576         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 577         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 578
 579         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 580         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 581         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 582         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 583         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 584
 585         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 586         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 587         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 588         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,     dev->ctl_contrast);
 589
 590         saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
 591         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 592         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 593         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 594
 595         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 596         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 597
 598         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 599         saa_writeb(SAA7134_VGATE_START,           0x11);
 600         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 601         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 602         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 603         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 604
 605         /* only tell the tuner if this is a tv input */
 606         if (card_in(dev,dev->ctl_input).tv) {
 607                 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
 608                                 && ((card(dev).tuner_config == 1)
 609                                 ||  (card(dev).tuner_config == 2)))
 610                         saa7134_set_gpio(dev, 22, 5);
 611                 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
 612         }
 613 }
 614
 615 static void video_mux(struct saa7134_dev *dev, int input)
 616 {
 617         dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
 618         dev->ctl_input = input;
 619         set_tvnorm(dev,dev->tvnorm);
 620         saa7134_tvaudio_setinput(dev,&card_in(dev,input));
 621 }
 622
 623 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 624 {
 625         static const struct {
 626                 int xpsc;
 627                 int xacl;
 628                 int xc2_1;
 629                 int xdcg;
 630                 int vpfy;
 631         } vals[] = {
 632                 /* XPSC XACL XC2_1 XDCG VPFY */
 633                 {    1,   0,    0,    0,   0 },
 634                 {    2,   2,    1,    2,   2 },
 635                 {    3,   4,    1,    3,   2 },
 636                 {    4,   8,    1,    4,   2 },
 637                 {    5,   8,    1,    4,   2 },
 638                 {    6,   8,    1,    4,   3 },
 639                 {    7,   8,    1,    4,   3 },
 640                 {    8,  15,    0,    4,   3 },
 641                 {    9,  15,    0,    4,   3 },
 642                 {   10,  16,    1,    5,   3 },
 643         };
 644         static const int count = ARRAY_SIZE(vals);
 645         int i;
 646
 647         for (i = 0; i < count; i++)
 648                 if (vals[i].xpsc == prescale)
 649                         break;
 650         if (i == count)
 651                 return;
 652
 653         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 654         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 655         saa_writeb(SAA7134_LEVEL_CTRL(task),
 656                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 657         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 658                    (vals[i].vpfy << 2) | vals[i].vpfy);
 659 }
 660
 661 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 662 {
 663         int val,mirror;
 664
 665         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 666         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 667
 668         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 669         if (yscale < 2048) {
 670                 /* LPI */
 671                 dprintk("yscale LPI yscale=%d\n",yscale);
 672                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 673                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 674                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 675         } else {
 676                 /* ACM */
 677                 val = 0x40 * 1024 / yscale;
 678                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 679                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 680                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 681                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 682         }
 683         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 684 }
 685
 686 static void set_size(struct saa7134_dev *dev, int task,
 687                      int width, int height, int interlace)
 688 {
 689         int prescale,xscale,yscale,y_even,y_odd;
 690         int h_start, h_stop, v_start, v_stop;
 691         int div = interlace ? 2 : 1;
 692
 693         /* setup video scaler */
 694         h_start = dev->crop_current.left;
 695         v_start = dev->crop_current.top/2;
 696         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 697         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 698
 699         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 700         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 701         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 702         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 703         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 704         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 705         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 706         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 707
 708         prescale = dev->crop_current.width / width;
 709         if (0 == prescale)
 710                 prescale = 1;
 711         xscale = 1024 * dev->crop_current.width / prescale / width;
 712         yscale = 512 * div * dev->crop_current.height / height;
 713         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 714         set_h_prescale(dev,task,prescale);
 715         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 716         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 717         set_v_scale(dev,task,yscale);
 718
 719         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 720         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 721         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 722         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 723
 724         /* deinterlace y offsets */
 725         y_odd  = dev->ctl_y_odd;
 726         y_even = dev->ctl_y_even;
 727         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 728         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 729         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 730         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 731 }
 732
 733 /* ------------------------------------------------------------------ */
 734
 735 struct cliplist {
 736         __u16 position;
 737         __u8  enable;
 738         __u8  disable;
 739 };
 740
 741 static void set_cliplist(struct saa7134_dev *dev, int reg,
 742                         struct cliplist *cl, int entries, char *name)
 743 {
 744         __u8 winbits = 0;
 745         int i;
 746
 747         for (i = 0; i < entries; i++) {
 748                 winbits |= cl[i].enable;
 749                 winbits &= ~cl[i].disable;
 750                 if (i < 15 && cl[i].position == cl[i+1].position)
 751                         continue;
 752                 saa_writeb(reg + 0, winbits);
 753                 saa_writeb(reg + 2, cl[i].position & 0xff);
 754                 saa_writeb(reg + 3, cl[i].position >> 8);
 755                 dprintk("clip: %s winbits=%02x pos=%d\n",
 756                         name,winbits,cl[i].position);
 757                 reg += 8;
 758         }
 759         for (; reg < 0x400; reg += 8) {
 760                 saa_writeb(reg+ 0, 0);
 761                 saa_writeb(reg + 1, 0);
 762                 saa_writeb(reg + 2, 0);
 763                 saa_writeb(reg + 3, 0);
 764         }
 765 }
 766
 767 static int clip_range(int val)
 768 {
 769         if (val < 0)
 770                 val = 0;
 771         return val;
 772 }
 773
 774 /* Sort into smallest position first order */
 775 static int cliplist_cmp(const void *a, const void *b)
 776 {
 777         const struct cliplist *cla = a;
 778         const struct cliplist *clb = b;
 779         if (cla->position < clb->position)
 780                 return -1;
 781         if (cla->position > clb->position)
 782                 return 1;
 783         return 0;
 784 }
 785
 786 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 787                           int nclips, int interlace)
 788 {
 789         struct cliplist col[16], row[16];
 790         int cols = 0, rows = 0, i;
 791         int div = interlace ? 2 : 1;
 792
 793         memset(col, 0, sizeof(col));
 794         memset(row, 0, sizeof(row));
 795         for (i = 0; i < nclips && i < 8; i++) {
 796                 col[cols].position = clip_range(clips[i].c.left);
 797                 col[cols].enable   = (1 << i);
 798                 cols++;
 799                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 800                 col[cols].disable  = (1 << i);
 801                 cols++;
 802                 row[rows].position = clip_range(clips[i].c.top / div);
 803                 row[rows].enable   = (1 << i);
 804                 rows++;
 805                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 806                                                 / div);
 807                 row[rows].disable  = (1 << i);
 808                 rows++;
 809         }
 810         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 811         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 812         set_cliplist(dev,0x380,col,cols,"cols");
 813         set_cliplist(dev,0x384,row,rows,"rows");
 814         return 0;
 815 }
 816
 817 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 818 {
 819         enum v4l2_field field;
 820         int maxw, maxh;
 821
 822         if (NULL == dev->ovbuf.base)
 823                 return -EINVAL;
 824         if (NULL == dev->ovfmt)
 825                 return -EINVAL;
 826         if (win->w.width < 48 || win->w.height <  32)
 827                 return -EINVAL;
 828         if (win->clipcount > 2048)
 829                 return -EINVAL;
 830
 831         field = win->field;
 832         maxw  = dev->crop_current.width;
 833         maxh  = dev->crop_current.height;
 834
 835         if (V4L2_FIELD_ANY == field) {
 836                 field = (win->w.height > maxh/2)
 837                         ? V4L2_FIELD_INTERLACED
 838                         : V4L2_FIELD_TOP;
 839         }
 840         switch (field) {
 841         case V4L2_FIELD_TOP:
 842         case V4L2_FIELD_BOTTOM:
 843                 maxh = maxh / 2;
 844                 break;
 845         case V4L2_FIELD_INTERLACED:
 846                 break;
 847         default:
 848                 return -EINVAL;
 849         }
 850
 851         win->field = field;
 852         if (win->w.width > maxw)
 853                 win->w.width = maxw;
 854         if (win->w.height > maxh)
 855                 win->w.height = maxh;
 856         return 0;
 857 }
 858
 859 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 860 {
 861         unsigned long base,control,bpl;
 862         int err;
 863
 864         err = verify_preview(dev,&fh->win);
 865         if (0 != err)
 866                 return err;
 867
 868         dev->ovfield = fh->win.field;
 869         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 870                 fh->win.w.width,fh->win.w.height,
 871                 fh->win.w.left,fh->win.w.top,
 872                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 873
 874         /* setup window + clipping */
 875         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 876                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 877         setup_clipping(dev,fh->clips,fh->nclips,
 878                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 879         if (dev->ovfmt->yuv)
 880                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 881         else
 882                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 883         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 884
 885         /* dma: setup channel 1 (= Video Task B) */
 886         base  = (unsigned long)dev->ovbuf.base;
 887         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 888         base += dev->ovfmt->depth/8         * fh->win.w.left;
 889         bpl   = dev->ovbuf.fmt.bytesperline;
 890         control = SAA7134_RS_CONTROL_BURST_16;
 891         if (dev->ovfmt->bswap)
 892                 control |= SAA7134_RS_CONTROL_BSWAP;
 893         if (dev->ovfmt->wswap)
 894                 control |= SAA7134_RS_CONTROL_WSWAP;
 895         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 896                 saa_writel(SAA7134_RS_BA1(1),base);
 897                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 898                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 899                 saa_writel(SAA7134_RS_CONTROL(1),control);
 900         } else {
 901                 saa_writel(SAA7134_RS_BA1(1),base);
 902                 saa_writel(SAA7134_RS_BA2(1),base);
 903                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 904                 saa_writel(SAA7134_RS_CONTROL(1),control);
 905         }
 906
 907         /* start dma */
 908         dev->ovenable = 1;
 909         saa7134_set_dmabits(dev);
 910
 911         return 0;
 912 }
 913
 914 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 915 {
 916         dev->ovenable = 0;
 917         saa7134_set_dmabits(dev);
 918         return 0;
 919 }
 920
 921 /* ------------------------------------------------------------------ */
 922
 923 static int buffer_activate(struct saa7134_dev *dev,
 924                            struct saa7134_buf *buf,
 925                            struct saa7134_buf *next)
 926 {
 927         unsigned long base,control,bpl;
 928         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 929
 930         dprintk("buffer_activate buf=%p\n",buf);
 931         buf->vb.state = STATE_ACTIVE;
 932         buf->top_seen = 0;
 933
 934         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 935                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 936         if (buf->fmt->yuv)
 937                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 938         else
 939                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 940         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 941
 942         /* DMA: setup channel 0 (= Video Task A0) */
 943         base  = saa7134_buffer_base(buf);
 944         if (buf->fmt->planar)
 945                 bpl = buf->vb.width;
 946         else
 947                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 948         control = SAA7134_RS_CONTROL_BURST_16 |
 949                 SAA7134_RS_CONTROL_ME |
 950                 (buf->pt->dma >> 12);
 951         if (buf->fmt->bswap)
 952                 control |= SAA7134_RS_CONTROL_BSWAP;
 953         if (buf->fmt->wswap)
 954                 control |= SAA7134_RS_CONTROL_WSWAP;
 955         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 956                 /* interlaced */
 957                 saa_writel(SAA7134_RS_BA1(0),base);
 958                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 959                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 960         } else {
 961                 /* non-interlaced */
 962                 saa_writel(SAA7134_RS_BA1(0),base);
 963                 saa_writel(SAA7134_RS_BA2(0),base);
 964                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 965         }
 966         saa_writel(SAA7134_RS_CONTROL(0),control);
 967
 968         if (buf->fmt->planar) {
 969                 /* DMA: setup channel 4+5 (= planar task A) */
 970                 bpl_uv   = bpl >> buf->fmt->hshift;
 971                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 972                 base2    = base + bpl * buf->vb.height;
 973                 base3    = base2 + bpl_uv * lines_uv;
 974                 if (buf->fmt->uvswap)
 975                         tmp = base2, base2 = base3, base3 = tmp;
 976                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 977                         bpl_uv,lines_uv,base2,base3);
 978                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 979                         /* interlaced */
 980                         saa_writel(SAA7134_RS_BA1(4),base2);
 981                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 982                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 983                         saa_writel(SAA7134_RS_BA1(5),base3);
 984                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 985                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 986                 } else {
 987                         /* non-interlaced */
 988                         saa_writel(SAA7134_RS_BA1(4),base2);
 989                         saa_writel(SAA7134_RS_BA2(4),base2);
 990                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 991                         saa_writel(SAA7134_RS_BA1(5),base3);
 992                         saa_writel(SAA7134_RS_BA2(5),base3);
 993                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 994                 }
 995                 saa_writel(SAA7134_RS_CONTROL(4),control);
 996                 saa_writel(SAA7134_RS_CONTROL(5),control);
 997         }
 998
 999         /* start DMA */
1000         saa7134_set_dmabits(dev);
1001         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1002         return 0;
1003 }
1004
1005 static int buffer_prepare(struct videobuf_queue *q,
1006                           struct videobuf_buffer *vb,
1007                           enum v4l2_field field)
1008 {
1009         struct saa7134_fh *fh = q->priv_data;
1010         struct saa7134_dev *dev = fh->dev;
1011         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1012         unsigned int size;
1013         int err;
1014
1015         /* sanity checks */
1016         if (NULL == fh->fmt)
1017                 return -EINVAL;
1018         if (fh->width    < 48 ||
1019             fh->height   < 32 ||
1020             fh->width/4  > dev->crop_current.width  ||
1021             fh->height/4 > dev->crop_current.height ||
1022             fh->width    > dev->crop_bounds.width  ||
1023             fh->height   > dev->crop_bounds.height)
1024                 return -EINVAL;
1025         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1026         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1027                 return -EINVAL;
1028
1029         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1030                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1031                 fh->fmt->name);
1032         if (buf->vb.width  != fh->width  ||
1033             buf->vb.height != fh->height ||
1034             buf->vb.size   != size       ||
1035             buf->vb.field  != field      ||
1036             buf->fmt       != fh->fmt) {
1037                 saa7134_dma_free(q,buf);
1038         }
1039
1040         if (STATE_NEEDS_INIT == buf->vb.state) {
1041                 buf->vb.width  = fh->width;
1042                 buf->vb.height = fh->height;
1043                 buf->vb.size   = size;
1044                 buf->vb.field  = field;
1045                 buf->fmt       = fh->fmt;
1046                 buf->pt        = &fh->pt_cap;
1047
1048                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1049                 if (err)
1050                         goto oops;
1051                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1052                                             buf->vb.dma.sglist,
1053                                             buf->vb.dma.sglen,
1054                                             saa7134_buffer_startpage(buf));
1055                 if (err)
1056                         goto oops;
1057         }
1058         buf->vb.state = STATE_PREPARED;
1059         buf->activate = buffer_activate;
1060         return 0;
1061
1062  oops:
1063         saa7134_dma_free(q,buf);
1064         return err;
1065 }
1066
1067 static int
1068 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1069 {
1070         struct saa7134_fh *fh = q->priv_data;
1071
1072         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1073         if (0 == *count)
1074                 *count = gbuffers;
1075         *count = saa7134_buffer_count(*size,*count);
1076         return 0;
1077 }
1078
1079 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1080 {
1081         struct saa7134_fh *fh = q->priv_data;
1082         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1083
1084         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1085 }
1086
1087 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1088 {
1089         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1090
1091         saa7134_dma_free(q,buf);
1092 }
1093
1094 static struct videobuf_queue_ops video_qops = {
1095         .buf_setup    = buffer_setup,
1096         .buf_prepare  = buffer_prepare,
1097         .buf_queue    = buffer_queue,
1098         .buf_release  = buffer_release,
1099 };
1100
1101 /* ------------------------------------------------------------------ */
1102
1103 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1104 {
1105         const struct v4l2_queryctrl* ctrl;
1106
1107         ctrl = ctrl_by_id(c->id);
1108         if (NULL == ctrl)
1109                 return -EINVAL;
1110         switch (c->id) {
1111         case V4L2_CID_BRIGHTNESS:
1112                 c->value = dev->ctl_bright;
1113                 break;
1114         case V4L2_CID_HUE:
1115                 c->value = dev->ctl_hue;
1116                 break;
1117         case V4L2_CID_CONTRAST:
1118                 c->value = dev->ctl_contrast;
1119                 break;
1120         case V4L2_CID_SATURATION:
1121                 c->value = dev->ctl_saturation;
1122                 break;
1123         case V4L2_CID_AUDIO_MUTE:
1124                 c->value = dev->ctl_mute;
1125                 break;
1126         case V4L2_CID_AUDIO_VOLUME:
1127                 c->value = dev->ctl_volume;
1128                 break;
1129         case V4L2_CID_PRIVATE_INVERT:
1130                 c->value = dev->ctl_invert;
1131                 break;
1132         case V4L2_CID_HFLIP:
1133                 c->value = dev->ctl_mirror;
1134                 break;
1135         case V4L2_CID_PRIVATE_Y_EVEN:
1136                 c->value = dev->ctl_y_even;
1137                 break;
1138         case V4L2_CID_PRIVATE_Y_ODD:
1139                 c->value = dev->ctl_y_odd;
1140                 break;
1141         case V4L2_CID_PRIVATE_AUTOMUTE:
1142                 c->value = dev->ctl_automute;
1143                 break;
1144         default:
1145                 return -EINVAL;
1146         }
1147         return 0;
1148 }
1149
1150 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1151                        struct v4l2_control *c)
1152 {
1153         const struct v4l2_queryctrl* ctrl;
1154         unsigned long flags;
1155         int restart_overlay = 0;
1156
1157         ctrl = ctrl_by_id(c->id);
1158         if (NULL == ctrl)
1159                 return -EINVAL;
1160         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1161         switch (ctrl->type) {
1162         case V4L2_CTRL_TYPE_BOOLEAN:
1163         case V4L2_CTRL_TYPE_MENU:
1164         case V4L2_CTRL_TYPE_INTEGER:
1165                 if (c->value < ctrl->minimum)
1166                         c->value = ctrl->minimum;
1167                 if (c->value > ctrl->maximum)
1168                         c->value = ctrl->maximum;
1169                 break;
1170         default:
1171                 /* nothing */;
1172         };
1173         switch (c->id) {
1174         case V4L2_CID_BRIGHTNESS:
1175                 dev->ctl_bright = c->value;
1176                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1177                 break;
1178         case V4L2_CID_HUE:
1179                 dev->ctl_hue = c->value;
1180                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1181                 break;
1182         case V4L2_CID_CONTRAST:
1183                 dev->ctl_contrast = c->value;
1184                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1185                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1186                 break;
1187         case V4L2_CID_SATURATION:
1188                 dev->ctl_saturation = c->value;
1189                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1190                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1191                 break;
1192         case V4L2_CID_AUDIO_MUTE:
1193                 dev->ctl_mute = c->value;
1194                 saa7134_tvaudio_setmute(dev);
1195                 break;
1196         case V4L2_CID_AUDIO_VOLUME:
1197                 dev->ctl_volume = c->value;
1198                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1199                 break;
1200         case V4L2_CID_PRIVATE_INVERT:
1201                 dev->ctl_invert = c->value;
1202                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1203                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1204                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1205                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1206                 break;
1207         case V4L2_CID_HFLIP:
1208                 dev->ctl_mirror = c->value;
1209                 restart_overlay = 1;
1210                 break;
1211         case V4L2_CID_PRIVATE_Y_EVEN:
1212                 dev->ctl_y_even = c->value;
1213                 restart_overlay = 1;
1214                 break;
1215         case V4L2_CID_PRIVATE_Y_ODD:
1216                 dev->ctl_y_odd = c->value;
1217                 restart_overlay = 1;
1218                 break;
1219         case V4L2_CID_PRIVATE_AUTOMUTE:
1220                 dev->ctl_automute = c->value;
1221                 if (dev->tda9887_conf) {
1222                         if (dev->ctl_automute)
1223                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1224                         else
1225                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1226                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1227                                                  &dev->tda9887_conf);
1228                 }
1229                 break;
1230         default:
1231                 return -EINVAL;
1232         }
1233         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1234                 spin_lock_irqsave(&dev->slock,flags);
1235                 stop_preview(dev,fh);
1236                 start_preview(dev,fh);
1237                 spin_unlock_irqrestore(&dev->slock,flags);
1238         }
1239         return 0;
1240 }
1241
1242 /* ------------------------------------------------------------------ */
1243
1244 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1245 {
1246         struct videobuf_queue* q = NULL;
1247
1248         switch (fh->type) {
1249         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1250                 q = &fh->cap;
1251                 break;
1252         case V4L2_BUF_TYPE_VBI_CAPTURE:
1253                 q = &fh->vbi;
1254                 break;
1255         default:
1256                 BUG();
1257         }
1258         return q;
1259 }
1260
1261 static int saa7134_resource(struct saa7134_fh *fh)
1262 {
1263         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1264                 return RESOURCE_VIDEO;
1265
1266         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1267                 return RESOURCE_VBI;
1268
1269         BUG();
1270         return 0;
1271 }
1272
1273 static int video_open(struct inode *inode, struct file *file)
1274 {
1275         int minor = iminor(inode);
1276         struct saa7134_dev *h,*dev = NULL;
1277         struct saa7134_fh *fh;
1278         struct list_head *list;
1279         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1280         int radio = 0;
1281         list_for_each(list,&saa7134_devlist) {
1282                 h = list_entry(list, struct saa7134_dev, devlist);
1283                 if (h->video_dev && (h->video_dev->minor == minor))
1284                         dev = h;
1285                 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1286                         radio = 1;
1287                         dev = h;
1288                 }
1289                 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1290                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1291                         dev = h;
1292                 }
1293         }
1294         if (NULL == dev)
1295                 return -ENODEV;
1296
1297         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1298                 v4l2_type_names[type]);
1299
1300         /* allocate + initialize per filehandle data */
1301         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1302         if (NULL == fh)
1303                 return -ENOMEM;
1304         file->private_data = fh;
1305         fh->dev      = dev;
1306         fh->radio    = radio;
1307         fh->type     = type;
1308         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1309         fh->width    = 720;
1310         fh->height   = 576;
1311         v4l2_prio_open(&dev->prio,&fh->prio);
1312
1313         videobuf_queue_init(&fh->cap, &video_qops,
1314                             dev->pci, &dev->slock,
1315                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1316                             V4L2_FIELD_INTERLACED,
1317                             sizeof(struct saa7134_buf),
1318                             fh);
1319         videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1320                             dev->pci, &dev->slock,
1321                             V4L2_BUF_TYPE_VBI_CAPTURE,
1322                             V4L2_FIELD_SEQ_TB,
1323                             sizeof(struct saa7134_buf),
1324                             fh);
1325         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1326         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1327
1328         if (fh->radio) {
1329                 /* switch to radio mode */
1330                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1331                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1332         } else {
1333                 /* switch to video/vbi mode */
1334                 video_mux(dev,dev->ctl_input);
1335         }
1336         return 0;
1337 }
1338
1339 static ssize_t
1340 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1341 {
1342         struct saa7134_fh *fh = file->private_data;
1343
1344         switch (fh->type) {
1345         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1346                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1347                         return -EBUSY;
1348                 return videobuf_read_one(saa7134_queue(fh),
1349                                          data, count, ppos,
1350                                          file->f_flags & O_NONBLOCK);
1351         case V4L2_BUF_TYPE_VBI_CAPTURE:
1352                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1353                         return -EBUSY;
1354                 return videobuf_read_stream(saa7134_queue(fh),
1355                                             data, count, ppos, 1,
1356                                             file->f_flags & O_NONBLOCK);
1357                 break;
1358         default:
1359                 BUG();
1360                 return 0;
1361         }
1362 }
1363
1364 static unsigned int
1365 video_poll(struct file *file, struct poll_table_struct *wait)
1366 {
1367         struct saa7134_fh *fh = file->private_data;
1368         struct videobuf_buffer *buf = NULL;
1369
1370         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1371                 return videobuf_poll_stream(file, &fh->vbi, wait);
1372
1373         if (res_check(fh,RESOURCE_VIDEO)) {
1374                 if (!list_empty(&fh->cap.stream))
1375                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1376         } else {
1377                 mutex_lock(&fh->cap.lock);
1378                 if (UNSET == fh->cap.read_off) {
1379                         /* need to capture a new frame */
1380                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1381                                 mutex_unlock(&fh->cap.lock);
1382                                 return POLLERR;
1383                         }
1384                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1385                                 mutex_unlock(&fh->cap.lock);
1386                                 return POLLERR;
1387                         }
1388                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1389                         fh->cap.read_off = 0;
1390                 }
1391                 mutex_unlock(&fh->cap.lock);
1392                 buf = fh->cap.read_buf;
1393         }
1394
1395         if (!buf)
1396                 return POLLERR;
1397
1398         poll_wait(file, &buf->done, wait);
1399         if (buf->state == STATE_DONE ||
1400             buf->state == STATE_ERROR)
1401                 return POLLIN|POLLRDNORM;
1402         return 0;
1403 }
1404
1405 static int video_release(struct inode *inode, struct file *file)
1406 {
1407         struct saa7134_fh  *fh  = file->private_data;
1408         struct saa7134_dev *dev = fh->dev;
1409         unsigned long flags;
1410
1411         /* turn off overlay */
1412         if (res_check(fh, RESOURCE_OVERLAY)) {
1413                 spin_lock_irqsave(&dev->slock,flags);
1414                 stop_preview(dev,fh);
1415                 spin_unlock_irqrestore(&dev->slock,flags);
1416                 res_free(dev,fh,RESOURCE_OVERLAY);
1417         }
1418
1419         /* stop video capture */
1420         if (res_check(fh, RESOURCE_VIDEO)) {
1421                 videobuf_streamoff(&fh->cap);
1422                 res_free(dev,fh,RESOURCE_VIDEO);
1423         }
1424         if (fh->cap.read_buf) {
1425                 buffer_release(&fh->cap,fh->cap.read_buf);
1426                 kfree(fh->cap.read_buf);
1427         }
1428
1429         /* stop vbi capture */
1430         if (res_check(fh, RESOURCE_VBI)) {
1431                 if (fh->vbi.streaming)
1432                         videobuf_streamoff(&fh->vbi);
1433                 if (fh->vbi.reading)
1434                         videobuf_read_stop(&fh->vbi);
1435                 res_free(dev,fh,RESOURCE_VBI);
1436         }
1437
1438         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1439         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1440         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1441         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1442         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1443
1444         saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1445
1446         /* free stuff */
1447         videobuf_mmap_free(&fh->cap);
1448         videobuf_mmap_free(&fh->vbi);
1449         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1450         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1451
1452         v4l2_prio_close(&dev->prio,&fh->prio);
1453         file->private_data = NULL;
1454         kfree(fh);
1455         return 0;
1456 }
1457
1458 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1459 {
1460         struct saa7134_fh *fh = file->private_data;
1461
1462         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1463 }
1464
1465 /* ------------------------------------------------------------------ */
1466
1467 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1468 {
1469         struct saa7134_tvnorm *norm = dev->tvnorm;
1470
1471         f->fmt.vbi.sampling_rate = 6750000 * 4;
1472         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1473         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1474         f->fmt.vbi.offset = 64 * 4;
1475         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1476         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1477         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1478         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1479         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1480
1481 }
1482
1483 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1484                          struct v4l2_format *f)
1485 {
1486         switch (f->type) {
1487         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1488                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1489                 f->fmt.pix.width        = fh->width;
1490                 f->fmt.pix.height       = fh->height;
1491                 f->fmt.pix.field        = fh->cap.field;
1492                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1493                 f->fmt.pix.bytesperline =
1494                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1495                 f->fmt.pix.sizeimage =
1496                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1497                 return 0;
1498         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1499                 if (saa7134_no_overlay > 0) {
1500                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1501                         return -EINVAL;
1502                 }
1503                 f->fmt.win = fh->win;
1504                 return 0;
1505         case V4L2_BUF_TYPE_VBI_CAPTURE:
1506                 saa7134_vbi_fmt(dev,f);
1507                 return 0;
1508         default:
1509                 return -EINVAL;
1510         }
1511 }
1512
1513 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1514                            struct v4l2_format *f)
1515 {
1516         int err;
1517
1518         switch (f->type) {
1519         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1520         {
1521                 struct saa7134_format *fmt;
1522                 enum v4l2_field field;
1523                 unsigned int maxw, maxh;
1524
1525                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1526                 if (NULL == fmt)
1527                         return -EINVAL;
1528
1529                 field = f->fmt.pix.field;
1530                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1531                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1532
1533                 if (V4L2_FIELD_ANY == field) {
1534                         field = (f->fmt.pix.height > maxh/2)
1535                                 ? V4L2_FIELD_INTERLACED
1536                                 : V4L2_FIELD_BOTTOM;
1537                 }
1538                 switch (field) {
1539                 case V4L2_FIELD_TOP:
1540                 case V4L2_FIELD_BOTTOM:
1541                         maxh = maxh / 2;
1542                         break;
1543                 case V4L2_FIELD_INTERLACED:
1544                         break;
1545                 default:
1546                         return -EINVAL;
1547                 }
1548
1549                 f->fmt.pix.field = field;
1550                 if (f->fmt.pix.width  < 48)
1551                         f->fmt.pix.width  = 48;
1552                 if (f->fmt.pix.height < 32)
1553                         f->fmt.pix.height = 32;
1554                 if (f->fmt.pix.width > maxw)
1555                         f->fmt.pix.width = maxw;
1556                 if (f->fmt.pix.height > maxh)
1557                         f->fmt.pix.height = maxh;
1558                 f->fmt.pix.width &= ~0x03;
1559                 f->fmt.pix.bytesperline =
1560                         (f->fmt.pix.width * fmt->depth) >> 3;
1561                 f->fmt.pix.sizeimage =
1562                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1563
1564                 return 0;
1565         }
1566         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1567                 if (saa7134_no_overlay > 0) {
1568                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1569                         return -EINVAL;
1570                 }
1571                 err = verify_preview(dev,&f->fmt.win);
1572                 if (0 != err)
1573                         return err;
1574                 return 0;
1575         case V4L2_BUF_TYPE_VBI_CAPTURE:
1576                 saa7134_vbi_fmt(dev,f);
1577                 return 0;
1578         default:
1579                 return -EINVAL;
1580         }
1581 }
1582
1583 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1584                          struct v4l2_format *f)
1585 {
1586         unsigned long flags;
1587         int err;
1588
1589         switch (f->type) {
1590         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1591                 err = saa7134_try_fmt(dev,fh,f);
1592                 if (0 != err)
1593                         return err;
1594
1595                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1596                 fh->width     = f->fmt.pix.width;
1597                 fh->height    = f->fmt.pix.height;
1598                 fh->cap.field = f->fmt.pix.field;
1599                 return 0;
1600         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1601                 if (saa7134_no_overlay > 0) {
1602                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1603                         return -EINVAL;
1604                 }
1605                 err = verify_preview(dev,&f->fmt.win);
1606                 if (0 != err)
1607                         return err;
1608
1609                 mutex_lock(&dev->lock);
1610                 fh->win    = f->fmt.win;
1611                 fh->nclips = f->fmt.win.clipcount;
1612                 if (fh->nclips > 8)
1613                         fh->nclips = 8;
1614                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1615                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1616                         mutex_unlock(&dev->lock);
1617                         return -EFAULT;
1618                 }
1619
1620                 if (res_check(fh, RESOURCE_OVERLAY)) {
1621                         spin_lock_irqsave(&dev->slock,flags);
1622                         stop_preview(dev,fh);
1623                         start_preview(dev,fh);
1624                         spin_unlock_irqrestore(&dev->slock,flags);
1625                 }
1626                 mutex_unlock(&dev->lock);
1627                 return 0;
1628         case V4L2_BUF_TYPE_VBI_CAPTURE:
1629                 saa7134_vbi_fmt(dev,f);
1630                 return 0;
1631         default:
1632                 return -EINVAL;
1633         }
1634 }
1635
1636 int saa7134_common_ioctl(struct saa7134_dev *dev,
1637                          unsigned int cmd, void *arg)
1638 {
1639         int err;
1640
1641         switch (cmd) {
1642         case VIDIOC_QUERYCTRL:
1643         {
1644                 const struct v4l2_queryctrl *ctrl;
1645                 struct v4l2_queryctrl *c = arg;
1646
1647                 if ((c->id <  V4L2_CID_BASE ||
1648                      c->id >= V4L2_CID_LASTP1) &&
1649                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1650                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1651                         return -EINVAL;
1652                 ctrl = ctrl_by_id(c->id);
1653                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1654                 return 0;
1655         }
1656         case VIDIOC_G_CTRL:
1657                 return get_control(dev,arg);
1658         case VIDIOC_S_CTRL:
1659         {
1660                 mutex_lock(&dev->lock);
1661                 err = set_control(dev,NULL,arg);
1662                 mutex_unlock(&dev->lock);
1663                 return err;
1664         }
1665         /* --- input switching --------------------------------------- */
1666         case VIDIOC_ENUMINPUT:
1667         {
1668                 struct v4l2_input *i = arg;
1669                 unsigned int n;
1670
1671                 n = i->index;
1672                 if (n >= SAA7134_INPUT_MAX)
1673                         return -EINVAL;
1674                 if (NULL == card_in(dev,i->index).name)
1675                         return -EINVAL;
1676                 memset(i,0,sizeof(*i));
1677                 i->index = n;
1678                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1679                 strcpy(i->name,card_in(dev,n).name);
1680                 if (card_in(dev,n).tv)
1681                         i->type = V4L2_INPUT_TYPE_TUNER;
1682                 i->audioset = 1;
1683                 if (n == dev->ctl_input) {
1684                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1685                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1686
1687                         if (0 != (v1 & 0x40))
1688                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1689                         if (0 != (v2 & 0x40))
1690                                 i->status |= V4L2_IN_ST_NO_SYNC;
1691                         if (0 != (v2 & 0x0e))
1692                                 i->status |= V4L2_IN_ST_MACROVISION;
1693                 }
1694                 for (n = 0; n < TVNORMS; n++)
1695                         i->std |= tvnorms[n].id;
1696                 return 0;
1697         }
1698         case VIDIOC_G_INPUT:
1699         {
1700                 int *i = arg;
1701                 *i = dev->ctl_input;
1702                 return 0;
1703         }
1704         case VIDIOC_S_INPUT:
1705         {
1706                 int *i = arg;
1707
1708                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1709                         return -EINVAL;
1710                 if (NULL == card_in(dev,*i).name)
1711                         return -EINVAL;
1712                 mutex_lock(&dev->lock);
1713                 video_mux(dev,*i);
1714                 mutex_unlock(&dev->lock);
1715                 return 0;
1716         }
1717
1718         }
1719         return 0;
1720 }
1721 EXPORT_SYMBOL(saa7134_common_ioctl);
1722
1723 /*
1724  * This function is _not_ called directly, but from
1725  * video_generic_ioctl (and maybe others).  userspace
1726  * copying is done already, arg is a kernel pointer.
1727  */
1728 static int video_do_ioctl(struct inode *inode, struct file *file,
1729                           unsigned int cmd, void *arg)
1730 {
1731         struct saa7134_fh *fh = file->private_data;
1732         struct saa7134_dev *dev = fh->dev;
1733         unsigned long flags;
1734         int err;
1735
1736         if (video_debug > 1)
1737                 v4l_print_ioctl(dev->name,cmd);
1738
1739         switch (cmd) {
1740         case VIDIOC_S_CTRL:
1741         case VIDIOC_S_STD:
1742         case VIDIOC_S_INPUT:
1743         case VIDIOC_S_TUNER:
1744         case VIDIOC_S_FREQUENCY:
1745                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1746                 if (0 != err)
1747                         return err;
1748         }
1749
1750         switch (cmd) {
1751         case VIDIOC_QUERYCAP:
1752         {
1753                 struct v4l2_capability *cap = arg;
1754                 unsigned int tuner_type = dev->tuner_type;
1755
1756                 memset(cap,0,sizeof(*cap));
1757                 strcpy(cap->driver, "saa7134");
1758                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1759                         sizeof(cap->card));
1760                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1761                 cap->version = SAA7134_VERSION_CODE;
1762                 cap->capabilities =
1763                         V4L2_CAP_VIDEO_CAPTURE |
1764                         V4L2_CAP_VBI_CAPTURE |
1765                         V4L2_CAP_READWRITE |
1766                         V4L2_CAP_STREAMING |
1767                         V4L2_CAP_TUNER;
1768                 if (saa7134_no_overlay <= 0) {
1769                         cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1770                 }
1771
1772                 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1773                         cap->capabilities &= ~V4L2_CAP_TUNER;
1774
1775                 return 0;
1776         }
1777
1778         /* --- tv standards ------------------------------------------ */
1779         case VIDIOC_ENUMSTD:
1780         {
1781                 struct v4l2_standard *e = arg;
1782                 unsigned int i;
1783
1784                 i = e->index;
1785                 if (i >= TVNORMS)
1786                         return -EINVAL;
1787                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1788                                                tvnorms[e->index].name);
1789                 e->index = i;
1790                 if (err < 0)
1791                         return err;
1792                 return 0;
1793         }
1794         case VIDIOC_G_STD:
1795         {
1796                 v4l2_std_id *id = arg;
1797
1798                 *id = dev->tvnorm->id;
1799                 return 0;
1800         }
1801         case VIDIOC_S_STD:
1802         {
1803                 v4l2_std_id *id = arg;
1804                 unsigned int i;
1805                 v4l2_std_id fixup;
1806
1807                 for (i = 0; i < TVNORMS; i++)
1808                         if (*id == tvnorms[i].id)
1809                                 break;
1810                 if (i == TVNORMS)
1811                         for (i = 0; i < TVNORMS; i++)
1812                                 if (*id & tvnorms[i].id)
1813                                         break;
1814                 if (i == TVNORMS)
1815                         return -EINVAL;
1816                 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1817                         if (secam[0] == 'L' || secam[0] == 'l') {
1818                                 if (secam[1] == 'C' || secam[1] == 'c')
1819                                         fixup = V4L2_STD_SECAM_LC;
1820                                 else
1821                                         fixup = V4L2_STD_SECAM_L;
1822                         } else {
1823                                 if (secam[0] == 'D' || secam[0] == 'd')
1824                                         fixup = V4L2_STD_SECAM_DK;
1825                                 else
1826                                         fixup = V4L2_STD_SECAM;
1827                         }
1828                         for (i = 0; i < TVNORMS; i++)
1829                                 if (fixup == tvnorms[i].id)
1830                                         break;
1831                 }
1832                 mutex_lock(&dev->lock);
1833                 if (res_check(fh, RESOURCE_OVERLAY)) {
1834                         spin_lock_irqsave(&dev->slock,flags);
1835                         stop_preview(dev,fh);
1836                         set_tvnorm(dev,&tvnorms[i]);
1837                         start_preview(dev,fh);
1838                         spin_unlock_irqrestore(&dev->slock,flags);
1839                 } else
1840                         set_tvnorm(dev,&tvnorms[i]);
1841                 saa7134_tvaudio_do_scan(dev);
1842                 mutex_unlock(&dev->lock);
1843                 return 0;
1844         }
1845
1846         case VIDIOC_CROPCAP:
1847         {
1848                 struct v4l2_cropcap *cap = arg;
1849
1850                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1851                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1852                         return -EINVAL;
1853                 cap->bounds  = dev->crop_bounds;
1854                 cap->defrect = dev->crop_defrect;
1855                 cap->pixelaspect.numerator   = 1;
1856                 cap->pixelaspect.denominator = 1;
1857                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1858                         cap->pixelaspect.numerator   = 11;
1859                         cap->pixelaspect.denominator = 10;
1860                 }
1861                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1862                         cap->pixelaspect.numerator   = 54;
1863                         cap->pixelaspect.denominator = 59;
1864                 }
1865                 return 0;
1866         }
1867
1868         case VIDIOC_G_CROP:
1869         {
1870                 struct v4l2_crop * crop = arg;
1871
1872                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1873                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1874                         return -EINVAL;
1875                 crop->c = dev->crop_current;
1876                 return 0;
1877         }
1878         case VIDIOC_S_CROP:
1879         {
1880                 struct v4l2_crop *crop = arg;
1881                 struct v4l2_rect *b = &dev->crop_bounds;
1882
1883                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1884                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1885                         return -EINVAL;
1886                 if (crop->c.height < 0)
1887                         return -EINVAL;
1888                 if (crop->c.width < 0)
1889                         return -EINVAL;
1890
1891                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1892                         return -EBUSY;
1893                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1894                         return -EBUSY;
1895
1896                 if (crop->c.top < b->top)
1897                         crop->c.top = b->top;
1898                 if (crop->c.top > b->top + b->height)
1899                         crop->c.top = b->top + b->height;
1900                 if (crop->c.height > b->top - crop->c.top + b->height)
1901                         crop->c.height = b->top - crop->c.top + b->height;
1902
1903                 if (crop->c.left < b->left)
1904                         crop->c.left = b->left;
1905                 if (crop->c.left > b->left + b->width)
1906                         crop->c.left = b->left + b->width;
1907                 if (crop->c.width > b->left - crop->c.left + b->width)
1908                         crop->c.width = b->left - crop->c.left + b->width;
1909
1910                 dev->crop_current = crop->c;
1911                 return 0;
1912         }
1913
1914         /* --- tuner ioctls ------------------------------------------ */
1915         case VIDIOC_G_TUNER:
1916         {
1917                 struct v4l2_tuner *t = arg;
1918                 int n;
1919
1920                 if (0 != t->index)
1921                         return -EINVAL;
1922                 memset(t,0,sizeof(*t));
1923                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1924                         if (card_in(dev,n).tv)
1925                                 break;
1926                 if (NULL != card_in(dev,n).name) {
1927                         strcpy(t->name, "Television");
1928                         t->type = V4L2_TUNER_ANALOG_TV;
1929                         t->capability = V4L2_TUNER_CAP_NORM |
1930                                 V4L2_TUNER_CAP_STEREO |
1931                                 V4L2_TUNER_CAP_LANG1 |
1932                                 V4L2_TUNER_CAP_LANG2;
1933                         t->rangehigh = 0xffffffffUL;
1934                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1935                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1936                 }
1937                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1938                         t->signal = 0xffff;
1939                 return 0;
1940         }
1941         case VIDIOC_S_TUNER:
1942         {
1943                 struct v4l2_tuner *t = arg;
1944                 int rx,mode;
1945
1946                 mode = dev->thread.mode;
1947                 if (UNSET == mode) {
1948                         rx   = saa7134_tvaudio_getstereo(dev);
1949                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1950                 }
1951                 if (mode != t->audmode) {
1952                         dev->thread.mode = t->audmode;
1953                 }
1954                 return 0;
1955         }
1956         case VIDIOC_G_FREQUENCY:
1957         {
1958                 struct v4l2_frequency *f = arg;
1959
1960                 memset(f,0,sizeof(*f));
1961                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1962                 f->frequency = dev->ctl_freq;
1963                 return 0;
1964         }
1965         case VIDIOC_S_FREQUENCY:
1966         {
1967                 struct v4l2_frequency *f = arg;
1968
1969                 if (0 != f->tuner)
1970                         return -EINVAL;
1971                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1972                         return -EINVAL;
1973                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1974                         return -EINVAL;
1975                 mutex_lock(&dev->lock);
1976                 dev->ctl_freq = f->frequency;
1977
1978                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1979
1980                 saa7134_tvaudio_do_scan(dev);
1981                 mutex_unlock(&dev->lock);
1982                 return 0;
1983         }
1984
1985         /* --- control ioctls ---------------------------------------- */
1986         case VIDIOC_ENUMINPUT:
1987         case VIDIOC_G_INPUT:
1988         case VIDIOC_S_INPUT:
1989         case VIDIOC_QUERYCTRL:
1990         case VIDIOC_G_CTRL:
1991         case VIDIOC_S_CTRL:
1992                 return saa7134_common_ioctl(dev, cmd, arg);
1993
1994         case VIDIOC_G_AUDIO:
1995         {
1996                 struct v4l2_audio *a = arg;
1997
1998                 memset(a,0,sizeof(*a));
1999                 strcpy(a->name,"audio");
2000                 return 0;
2001         }
2002         case VIDIOC_S_AUDIO:
2003                 return 0;
2004         case VIDIOC_G_PARM:
2005         {
2006                 struct v4l2_captureparm *parm = arg;
2007                 memset(parm,0,sizeof(*parm));
2008                 return 0;
2009         }
2010
2011         case VIDIOC_G_PRIORITY:
2012         {
2013                 enum v4l2_priority *p = arg;
2014
2015                 *p = v4l2_prio_max(&dev->prio);
2016                 return 0;
2017         }
2018         case VIDIOC_S_PRIORITY:
2019         {
2020                 enum v4l2_priority *prio = arg;
2021
2022                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2023         }
2024
2025         /* --- preview ioctls ---------------------------------------- */
2026         case VIDIOC_ENUM_FMT:
2027         {
2028                 struct v4l2_fmtdesc *f = arg;
2029                 enum v4l2_buf_type type;
2030                 unsigned int index;
2031
2032                 index = f->index;
2033                 type  = f->type;
2034                 switch (type) {
2035                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2036                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2037                         if (saa7134_no_overlay > 0) {
2038                                 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2039                                 return -EINVAL;
2040                         }
2041                         if (index >= FORMATS)
2042                                 return -EINVAL;
2043                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2044                             formats[index].planar)
2045                                 return -EINVAL;
2046                         memset(f,0,sizeof(*f));
2047                         f->index = index;
2048                         f->type  = type;
2049                         strlcpy(f->description,formats[index].name,sizeof(f->description));
2050                         f->pixelformat = formats[index].fourcc;
2051                         break;
2052                 case V4L2_BUF_TYPE_VBI_CAPTURE:
2053                         if (0 != index)
2054                                 return -EINVAL;
2055                         memset(f,0,sizeof(*f));
2056                         f->index = index;
2057                         f->type  = type;
2058                         f->pixelformat = V4L2_PIX_FMT_GREY;
2059                         strcpy(f->description,"vbi data");
2060                         break;
2061                 default:
2062                         return -EINVAL;
2063                 }
2064                 return 0;
2065         }
2066         case VIDIOC_G_FBUF:
2067         {
2068                 struct v4l2_framebuffer *fb = arg;
2069
2070                 *fb = dev->ovbuf;
2071                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2072                 return 0;
2073         }
2074         case VIDIOC_S_FBUF:
2075         {
2076                 struct v4l2_framebuffer *fb = arg;
2077                 struct saa7134_format *fmt;
2078
2079                 if(!capable(CAP_SYS_ADMIN) &&
2080                    !capable(CAP_SYS_RAWIO))
2081                         return -EPERM;
2082
2083                 /* check args */
2084                 fmt = format_by_fourcc(fb->fmt.pixelformat);
2085                 if (NULL == fmt)
2086                         return -EINVAL;
2087
2088                 /* ok, accept it */
2089                 dev->ovbuf = *fb;
2090                 dev->ovfmt = fmt;
2091                 if (0 == dev->ovbuf.fmt.bytesperline)
2092                         dev->ovbuf.fmt.bytesperline =
2093                                 dev->ovbuf.fmt.width*fmt->depth/8;
2094                 return 0;
2095         }
2096         case VIDIOC_OVERLAY:
2097         {
2098                 int *on = arg;
2099
2100                 if (*on) {
2101                         if (saa7134_no_overlay > 0) {
2102                                 printk ("no_overlay\n");
2103                                 return -EINVAL;
2104                         }
2105
2106                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
2107                                 return -EBUSY;
2108                         spin_lock_irqsave(&dev->slock,flags);
2109                         start_preview(dev,fh);
2110                         spin_unlock_irqrestore(&dev->slock,flags);
2111                 }
2112                 if (!*on) {
2113                         if (!res_check(fh, RESOURCE_OVERLAY))
2114                                 return -EINVAL;
2115                         spin_lock_irqsave(&dev->slock,flags);
2116                         stop_preview(dev,fh);
2117                         spin_unlock_irqrestore(&dev->slock,flags);
2118                         res_free(dev,fh,RESOURCE_OVERLAY);
2119                 }
2120                 return 0;
2121         }
2122
2123         /* --- capture ioctls ---------------------------------------- */
2124         case VIDIOC_G_FMT:
2125         {
2126                 struct v4l2_format *f = arg;
2127                 return saa7134_g_fmt(dev,fh,f);
2128         }
2129         case VIDIOC_S_FMT:
2130         {
2131                 struct v4l2_format *f = arg;
2132                 return saa7134_s_fmt(dev,fh,f);
2133         }
2134         case VIDIOC_TRY_FMT:
2135         {
2136                 struct v4l2_format *f = arg;
2137                 return saa7134_try_fmt(dev,fh,f);
2138         }
2139 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2140         case VIDIOCGMBUF:
2141         {
2142                 struct video_mbuf *mbuf = arg;
2143                 struct videobuf_queue *q;
2144                 struct v4l2_requestbuffers req;
2145                 unsigned int i;
2146
2147                 q = saa7134_queue(fh);
2148                 memset(&req,0,sizeof(req));
2149                 req.type   = q->type;
2150                 req.count  = gbuffers;
2151                 req.memory = V4L2_MEMORY_MMAP;
2152                 err = videobuf_reqbufs(q,&req);
2153                 if (err < 0)
2154                         return err;
2155                 memset(mbuf,0,sizeof(*mbuf));
2156                 mbuf->frames = req.count;
2157                 mbuf->size   = 0;
2158                 for (i = 0; i < mbuf->frames; i++) {
2159                         mbuf->offsets[i]  = q->bufs[i]->boff;
2160                         mbuf->size       += q->bufs[i]->bsize;
2161                 }
2162                 return 0;
2163         }
2164 #endif
2165         case VIDIOC_REQBUFS:
2166                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2167
2168         case VIDIOC_QUERYBUF:
2169                 return videobuf_querybuf(saa7134_queue(fh),arg);
2170
2171         case VIDIOC_QBUF:
2172                 return videobuf_qbuf(saa7134_queue(fh),arg);
2173
2174         case VIDIOC_DQBUF:
2175                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2176                                       file->f_flags & O_NONBLOCK);
2177
2178         case VIDIOC_STREAMON:
2179         {
2180                 int res = saa7134_resource(fh);
2181
2182                 if (!res_get(dev,fh,res))
2183                         return -EBUSY;
2184                 return videobuf_streamon(saa7134_queue(fh));
2185         }
2186         case VIDIOC_STREAMOFF:
2187         {
2188                 int res = saa7134_resource(fh);
2189
2190                 err = videobuf_streamoff(saa7134_queue(fh));
2191                 if (err < 0)
2192                         return err;
2193                 res_free(dev,fh,res);
2194                 return 0;
2195         }
2196
2197         default:
2198                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2199                                                   video_do_ioctl);
2200         }
2201         return 0;
2202 }
2203
2204 static int video_ioctl(struct inode *inode, struct file *file,
2205                        unsigned int cmd, unsigned long arg)
2206 {
2207         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2208 }
2209
2210 static int radio_do_ioctl(struct inode *inode, struct file *file,
2211                           unsigned int cmd, void *arg)
2212 {
2213         struct saa7134_fh *fh = file->private_data;
2214         struct saa7134_dev *dev = fh->dev;
2215
2216         if (video_debug > 1)
2217                 v4l_print_ioctl(dev->name,cmd);
2218         switch (cmd) {
2219         case VIDIOC_QUERYCAP:
2220         {
2221                 struct v4l2_capability *cap = arg;
2222
2223                 memset(cap,0,sizeof(*cap));
2224                 strcpy(cap->driver, "saa7134");
2225                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2226                         sizeof(cap->card));
2227                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2228                 cap->version = SAA7134_VERSION_CODE;
2229                 cap->capabilities = V4L2_CAP_TUNER;
2230                 return 0;
2231         }
2232         case VIDIOC_G_TUNER:
2233         {
2234                 struct v4l2_tuner *t = arg;
2235
2236                 if (0 != t->index)
2237                         return -EINVAL;
2238
2239                 memset(t,0,sizeof(*t));
2240                 strcpy(t->name, "Radio");
2241                 t->type = V4L2_TUNER_RADIO;
2242
2243                 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2244                 if (dev->input->amux == TV) {
2245                         t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2246                         t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2247                                         V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2248                 }
2249                 return 0;
2250         }
2251         case VIDIOC_S_TUNER:
2252         {
2253                 struct v4l2_tuner *t = arg;
2254
2255                 if (0 != t->index)
2256                         return -EINVAL;
2257
2258                 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2259
2260                 return 0;
2261         }
2262         case VIDIOC_ENUMINPUT:
2263         {
2264                 struct v4l2_input *i = arg;
2265
2266                 if (i->index != 0)
2267                         return -EINVAL;
2268                 strcpy(i->name,"Radio");
2269                 i->type = V4L2_INPUT_TYPE_TUNER;
2270                 return 0;
2271         }
2272         case VIDIOC_G_INPUT:
2273         {
2274                 int *i = arg;
2275                 *i = 0;
2276                 return 0;
2277         }
2278         case VIDIOC_G_AUDIO:
2279         {
2280                 struct v4l2_audio *a = arg;
2281
2282                 memset(a,0,sizeof(*a));
2283                 strcpy(a->name,"Radio");
2284                 return 0;
2285         }
2286         case VIDIOC_G_STD:
2287         {
2288                 v4l2_std_id *id = arg;
2289                 *id = 0;
2290                 return 0;
2291         }
2292         case VIDIOC_S_AUDIO:
2293         case VIDIOC_S_INPUT:
2294         case VIDIOC_S_STD:
2295                 return 0;
2296
2297         case VIDIOC_QUERYCTRL:
2298         {
2299                 const struct v4l2_queryctrl *ctrl;
2300                 struct v4l2_queryctrl *c = arg;
2301
2302                 if (c->id <  V4L2_CID_BASE ||
2303                     c->id >= V4L2_CID_LASTP1)
2304                         return -EINVAL;
2305                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2306                         ctrl = ctrl_by_id(c->id);
2307                         *c = *ctrl;
2308                 } else
2309                         *c = no_ctrl;
2310                 return 0;
2311         }
2312
2313         case VIDIOC_G_CTRL:
2314         case VIDIOC_S_CTRL:
2315         case VIDIOC_G_FREQUENCY:
2316         case VIDIOC_S_FREQUENCY:
2317                 return video_do_ioctl(inode,file,cmd,arg);
2318
2319         default:
2320                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2321                                                   radio_do_ioctl);
2322         }
2323         return 0;
2324 }
2325
2326 static int radio_ioctl(struct inode *inode, struct file *file,
2327                        unsigned int cmd, unsigned long arg)
2328 {
2329         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2330 }
2331
2332 static const struct file_operations video_fops =
2333 {
2334         .owner    = THIS_MODULE,
2335         .open     = video_open,
2336         .release  = video_release,
2337         .read     = video_read,
2338         .poll     = video_poll,
2339         .mmap     = video_mmap,
2340         .ioctl    = video_ioctl,
2341         .compat_ioctl   = v4l_compat_ioctl32,
2342         .llseek   = no_llseek,
2343 };
2344
2345 static const struct file_operations radio_fops =
2346 {
2347         .owner    = THIS_MODULE,
2348         .open     = video_open,
2349         .release  = video_release,
2350         .ioctl    = radio_ioctl,
2351         .compat_ioctl   = v4l_compat_ioctl32,
2352         .llseek   = no_llseek,
2353 };
2354
2355 /* ----------------------------------------------------------- */
2356 /* exported stuff                                              */
2357
2358 struct video_device saa7134_video_template =
2359 {
2360         .name          = "saa7134-video",
2361         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
2362                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2363         .hardware      = 0,
2364         .fops          = &video_fops,
2365         .minor         = -1,
2366 };
2367
2368 struct video_device saa7134_vbi_template =
2369 {
2370         .name          = "saa7134-vbi",
2371         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2372         .hardware      = 0,
2373         .fops          = &video_fops,
2374         .minor         = -1,
2375 };
2376
2377 struct video_device saa7134_radio_template =
2378 {
2379         .name          = "saa7134-radio",
2380         .type          = VID_TYPE_TUNER,
2381         .hardware      = 0,
2382         .fops          = &radio_fops,
2383         .minor         = -1,
2384 };
2385
2386 int saa7134_video_init1(struct saa7134_dev *dev)
2387 {
2388         /* sanitycheck insmod options */
2389         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2390                 gbuffers = 2;
2391         if (gbufsize < 0 || gbufsize > gbufsize_max)
2392                 gbufsize = gbufsize_max;
2393         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2394
2395         /* put some sensible defaults into the data structures ... */
2396         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2397         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2398         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2399         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2400         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2401         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2402         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2403         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2404
2405         if (dev->tda9887_conf && dev->ctl_automute)
2406                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2407         dev->automute       = 0;
2408
2409         INIT_LIST_HEAD(&dev->video_q.queue);
2410         init_timer(&dev->video_q.timeout);
2411         dev->video_q.timeout.function = saa7134_buffer_timeout;
2412         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2413         dev->video_q.dev              = dev;
2414
2415         if (saa7134_boards[dev->board].video_out) {
2416                 /* enable video output */
2417                 int vo = saa7134_boards[dev->board].video_out;
2418                 int video_reg;
2419                 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2420                 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2421                 video_reg = video_out[vo][1];
2422                 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2423                         video_reg &= ~VP_T_CODE_P_INVERTED;
2424                 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2425                 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2426                 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2427                 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2428                 video_reg = video_out[vo][5];
2429                 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2430                         video_reg &= ~VP_CLK_CTRL2_DELAYED;
2431                 if (vid_port_opts & SET_CLOCK_INVERTED)
2432                         video_reg |= VP_CLK_CTRL1_INVERTED;
2433                 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2434                 video_reg = video_out[vo][6];
2435                 if (vid_port_opts & SET_VSYNC_OFF) {
2436                         video_reg &= ~VP_VS_TYPE_MASK;
2437                         video_reg |= VP_VS_TYPE_OFF;
2438                 }
2439                 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2440                 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2441                 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2442         }
2443
2444         return 0;
2445 }
2446
2447 int saa7134_video_init2(struct saa7134_dev *dev)
2448 {
2449         /* init video hw */
2450         set_tvnorm(dev,&tvnorms[0]);
2451         video_mux(dev,0);
2452         saa7134_tvaudio_setmute(dev);
2453         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2454         return 0;
2455 }
2456
2457 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2458 {
2459         static const char *st[] = {
2460                 "(no signal)", "NTSC", "PAL", "SECAM" };
2461         u32 st1,st2;
2462
2463         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2464         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2465         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2466                 (st1 & 0x40) ? "not locked" : "locked",
2467                 (st2 & 0x40) ? "no"         : "yes",
2468                 st[st1 & 0x03]);
2469         dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2470
2471         if (dev->nosignal) {
2472                 /* no video signal -> mute audio */
2473                 if (dev->ctl_automute)
2474                         dev->automute = 1;
2475                 saa7134_tvaudio_setmute(dev);
2476                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2477         } else {
2478                 /* wake up tvaudio audio carrier scan thread */
2479                 saa7134_tvaudio_do_scan(dev);
2480                 if (!noninterlaced)
2481                         saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2482         }
2483         if (dev->mops && dev->mops->signal_change)
2484                 dev->mops->signal_change(dev);
2485 }
2486
2487 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2488 {
2489         enum v4l2_field field;
2490
2491         spin_lock(&dev->slock);
2492         if (dev->video_q.curr) {
2493                 dev->video_fieldcount++;
2494                 field = dev->video_q.curr->vb.field;
2495                 if (V4L2_FIELD_HAS_BOTH(field)) {
2496                         /* make sure we have seen both fields */
2497                         if ((status & 0x10) == 0x00) {
2498                                 dev->video_q.curr->top_seen = 1;
2499                                 goto done;
2500                         }
2501                         if (!dev->video_q.curr->top_seen)
2502                                 goto done;
2503                 } else if (field == V4L2_FIELD_TOP) {
2504                         if ((status & 0x10) != 0x10)
2505                                 goto done;
2506                 } else if (field == V4L2_FIELD_BOTTOM) {
2507                         if ((status & 0x10) != 0x00)
2508                                 goto done;
2509                 }
2510                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2511                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2512         }
2513         saa7134_buffer_next(dev,&dev->video_q);
2514
2515  done:
2516         spin_unlock(&dev->slock);
2517 }
2518
2519 /* ----------------------------------------------------------- */
2520 /*
2521  * Local variables:
2522  * c-basic-offset: 8
2523  * End:
2524  */