drivers/media/pci/saa7134/saa7134-video.c

   1 /*
   2  *
   3  * device driver for philips saa7134 based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/kernel.h>
  27 #include <linux/slab.h>
  28 #include <linux/sort.h>
  29
  30 #include "saa7134-reg.h"
  31 #include "saa7134.h"
  32 #include <media/v4l2-common.h>
  33 #include <media/saa6588.h>
  34
  35 /* ------------------------------------------------------------------ */
  36
  37 unsigned int video_debug;
  38 static unsigned int gbuffers      = 8;
  39 static unsigned int noninterlaced; /* 0 */
  40 static unsigned int gbufsize      = 720*576*4;
  41 static unsigned int gbufsize_max  = 720*576*4;
  42 static char secam[] = "--";
  43 module_param(video_debug, int, 0644);
  44 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  45 module_param(gbuffers, int, 0444);
  46 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  47 module_param(noninterlaced, int, 0644);
  48 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
  49 module_param_string(secam, secam, sizeof(secam), 0644);
  50 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
  51
  52
  53 #define dprintk(fmt, arg...)    if (video_debug&0x04) \
  54         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  55
  56 /* ------------------------------------------------------------------ */
  57 /* Defines for Video Output Port Register at address 0x191            */
  58
  59 /* Bit 0: VIP code T bit polarity */
  60
  61 #define VP_T_CODE_P_NON_INVERTED        0x00
  62 #define VP_T_CODE_P_INVERTED            0x01
  63
  64 /* ------------------------------------------------------------------ */
  65 /* Defines for Video Output Port Register at address 0x195            */
  66
  67 /* Bit 2: Video output clock delay control */
  68
  69 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
  70 #define VP_CLK_CTRL2_DELAYED            0x04
  71
  72 /* Bit 1: Video output clock invert control */
  73
  74 #define VP_CLK_CTRL1_NON_INVERTED       0x00
  75 #define VP_CLK_CTRL1_INVERTED           0x02
  76
  77 /* ------------------------------------------------------------------ */
  78 /* Defines for Video Output Port Register at address 0x196            */
  79
  80 /* Bits 2 to 0: VSYNC pin video vertical sync type */
  81
  82 #define VP_VS_TYPE_MASK                 0x07
  83
  84 #define VP_VS_TYPE_OFF                  0x00
  85 #define VP_VS_TYPE_V123                 0x01
  86 #define VP_VS_TYPE_V_ITU                0x02
  87 #define VP_VS_TYPE_VGATE_L              0x03
  88 #define VP_VS_TYPE_RESERVED1            0x04
  89 #define VP_VS_TYPE_RESERVED2            0x05
  90 #define VP_VS_TYPE_F_ITU                0x06
  91 #define VP_VS_TYPE_SC_FID               0x07
  92
  93 /* ------------------------------------------------------------------ */
  94 /* data structs for video                                             */
  95
  96 static int video_out[][9] = {
  97         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
  98 };
  99
 100 static struct saa7134_format formats[] = {
 101         {
 102                 .name     = "8 bpp gray",
 103                 .fourcc   = V4L2_PIX_FMT_GREY,
 104                 .depth    = 8,
 105                 .pm       = 0x06,
 106         },{
 107                 .name     = "15 bpp RGB, le",
 108                 .fourcc   = V4L2_PIX_FMT_RGB555,
 109                 .depth    = 16,
 110                 .pm       = 0x13 | 0x80,
 111         },{
 112                 .name     = "15 bpp RGB, be",
 113                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 114                 .depth    = 16,
 115                 .pm       = 0x13 | 0x80,
 116                 .bswap    = 1,
 117         },{
 118                 .name     = "16 bpp RGB, le",
 119                 .fourcc   = V4L2_PIX_FMT_RGB565,
 120                 .depth    = 16,
 121                 .pm       = 0x10 | 0x80,
 122         },{
 123                 .name     = "16 bpp RGB, be",
 124                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 125                 .depth    = 16,
 126                 .pm       = 0x10 | 0x80,
 127                 .bswap    = 1,
 128         },{
 129                 .name     = "24 bpp RGB, le",
 130                 .fourcc   = V4L2_PIX_FMT_BGR24,
 131                 .depth    = 24,
 132                 .pm       = 0x11,
 133         },{
 134                 .name     = "24 bpp RGB, be",
 135                 .fourcc   = V4L2_PIX_FMT_RGB24,
 136                 .depth    = 24,
 137                 .pm       = 0x11,
 138                 .bswap    = 1,
 139         },{
 140                 .name     = "32 bpp RGB, le",
 141                 .fourcc   = V4L2_PIX_FMT_BGR32,
 142                 .depth    = 32,
 143                 .pm       = 0x12,
 144         },{
 145                 .name     = "32 bpp RGB, be",
 146                 .fourcc   = V4L2_PIX_FMT_RGB32,
 147                 .depth    = 32,
 148                 .pm       = 0x12,
 149                 .bswap    = 1,
 150                 .wswap    = 1,
 151         },{
 152                 .name     = "4:2:2 packed, YUYV",
 153                 .fourcc   = V4L2_PIX_FMT_YUYV,
 154                 .depth    = 16,
 155                 .pm       = 0x00,
 156                 .bswap    = 1,
 157                 .yuv      = 1,
 158         },{
 159                 .name     = "4:2:2 packed, UYVY",
 160                 .fourcc   = V4L2_PIX_FMT_UYVY,
 161                 .depth    = 16,
 162                 .pm       = 0x00,
 163                 .yuv      = 1,
 164         },{
 165                 .name     = "4:2:2 planar, Y-Cb-Cr",
 166                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 167                 .depth    = 16,
 168                 .pm       = 0x09,
 169                 .yuv      = 1,
 170                 .planar   = 1,
 171                 .hshift   = 1,
 172                 .vshift   = 0,
 173         },{
 174                 .name     = "4:2:0 planar, Y-Cb-Cr",
 175                 .fourcc   = V4L2_PIX_FMT_YUV420,
 176                 .depth    = 12,
 177                 .pm       = 0x0a,
 178                 .yuv      = 1,
 179                 .planar   = 1,
 180                 .hshift   = 1,
 181                 .vshift   = 1,
 182         },{
 183                 .name     = "4:2:0 planar, Y-Cb-Cr",
 184                 .fourcc   = V4L2_PIX_FMT_YVU420,
 185                 .depth    = 12,
 186                 .pm       = 0x0a,
 187                 .yuv      = 1,
 188                 .planar   = 1,
 189                 .uvswap   = 1,
 190                 .hshift   = 1,
 191                 .vshift   = 1,
 192         }
 193 };
 194 #define FORMATS ARRAY_SIZE(formats)
 195
 196 #define NORM_625_50                     \
 197                 .h_start       = 0,     \
 198                 .h_stop        = 719,   \
 199                 .video_v_start = 24,    \
 200                 .video_v_stop  = 311,   \
 201                 .vbi_v_start_0 = 7,     \
 202                 .vbi_v_stop_0  = 22,    \
 203                 .vbi_v_start_1 = 319,   \
 204                 .src_timing    = 4
 205
 206 #define NORM_525_60                     \
 207                 .h_start       = 0,     \
 208                 .h_stop        = 719,   \
 209                 .video_v_start = 23,    \
 210                 .video_v_stop  = 262,   \
 211                 .vbi_v_start_0 = 10,    \
 212                 .vbi_v_stop_0  = 21,    \
 213                 .vbi_v_start_1 = 273,   \
 214                 .src_timing    = 7
 215
 216 static struct saa7134_tvnorm tvnorms[] = {
 217         {
 218                 .name          = "PAL", /* autodetect */
 219                 .id            = V4L2_STD_PAL,
 220                 NORM_625_50,
 221
 222                 .sync_control  = 0x18,
 223                 .luma_control  = 0x40,
 224                 .chroma_ctrl1  = 0x81,
 225                 .chroma_gain   = 0x2a,
 226                 .chroma_ctrl2  = 0x06,
 227                 .vgate_misc    = 0x1c,
 228
 229         },{
 230                 .name          = "PAL-BG",
 231                 .id            = V4L2_STD_PAL_BG,
 232                 NORM_625_50,
 233
 234                 .sync_control  = 0x18,
 235                 .luma_control  = 0x40,
 236                 .chroma_ctrl1  = 0x81,
 237                 .chroma_gain   = 0x2a,
 238                 .chroma_ctrl2  = 0x06,
 239                 .vgate_misc    = 0x1c,
 240
 241         },{
 242                 .name          = "PAL-I",
 243                 .id            = V4L2_STD_PAL_I,
 244                 NORM_625_50,
 245
 246                 .sync_control  = 0x18,
 247                 .luma_control  = 0x40,
 248                 .chroma_ctrl1  = 0x81,
 249                 .chroma_gain   = 0x2a,
 250                 .chroma_ctrl2  = 0x06,
 251                 .vgate_misc    = 0x1c,
 252
 253         },{
 254                 .name          = "PAL-DK",
 255                 .id            = V4L2_STD_PAL_DK,
 256                 NORM_625_50,
 257
 258                 .sync_control  = 0x18,
 259                 .luma_control  = 0x40,
 260                 .chroma_ctrl1  = 0x81,
 261                 .chroma_gain   = 0x2a,
 262                 .chroma_ctrl2  = 0x06,
 263                 .vgate_misc    = 0x1c,
 264
 265         },{
 266                 .name          = "NTSC",
 267                 .id            = V4L2_STD_NTSC,
 268                 NORM_525_60,
 269
 270                 .sync_control  = 0x59,
 271                 .luma_control  = 0x40,
 272                 .chroma_ctrl1  = 0x89,
 273                 .chroma_gain   = 0x2a,
 274                 .chroma_ctrl2  = 0x0e,
 275                 .vgate_misc    = 0x18,
 276
 277         },{
 278                 .name          = "SECAM",
 279                 .id            = V4L2_STD_SECAM,
 280                 NORM_625_50,
 281
 282                 .sync_control  = 0x18,
 283                 .luma_control  = 0x1b,
 284                 .chroma_ctrl1  = 0xd1,
 285                 .chroma_gain   = 0x80,
 286                 .chroma_ctrl2  = 0x00,
 287                 .vgate_misc    = 0x1c,
 288
 289         },{
 290                 .name          = "SECAM-DK",
 291                 .id            = V4L2_STD_SECAM_DK,
 292                 NORM_625_50,
 293
 294                 .sync_control  = 0x18,
 295                 .luma_control  = 0x1b,
 296                 .chroma_ctrl1  = 0xd1,
 297                 .chroma_gain   = 0x80,
 298                 .chroma_ctrl2  = 0x00,
 299                 .vgate_misc    = 0x1c,
 300
 301         },{
 302                 .name          = "SECAM-L",
 303                 .id            = V4L2_STD_SECAM_L,
 304                 NORM_625_50,
 305
 306                 .sync_control  = 0x18,
 307                 .luma_control  = 0x1b,
 308                 .chroma_ctrl1  = 0xd1,
 309                 .chroma_gain   = 0x80,
 310                 .chroma_ctrl2  = 0x00,
 311                 .vgate_misc    = 0x1c,
 312
 313         },{
 314                 .name          = "SECAM-Lc",
 315                 .id            = V4L2_STD_SECAM_LC,
 316                 NORM_625_50,
 317
 318                 .sync_control  = 0x18,
 319                 .luma_control  = 0x1b,
 320                 .chroma_ctrl1  = 0xd1,
 321                 .chroma_gain   = 0x80,
 322                 .chroma_ctrl2  = 0x00,
 323                 .vgate_misc    = 0x1c,
 324
 325         },{
 326                 .name          = "PAL-M",
 327                 .id            = V4L2_STD_PAL_M,
 328                 NORM_525_60,
 329
 330                 .sync_control  = 0x59,
 331                 .luma_control  = 0x40,
 332                 .chroma_ctrl1  = 0xb9,
 333                 .chroma_gain   = 0x2a,
 334                 .chroma_ctrl2  = 0x0e,
 335                 .vgate_misc    = 0x18,
 336
 337         },{
 338                 .name          = "PAL-Nc",
 339                 .id            = V4L2_STD_PAL_Nc,
 340                 NORM_625_50,
 341
 342                 .sync_control  = 0x18,
 343                 .luma_control  = 0x40,
 344                 .chroma_ctrl1  = 0xa1,
 345                 .chroma_gain   = 0x2a,
 346                 .chroma_ctrl2  = 0x06,
 347                 .vgate_misc    = 0x1c,
 348
 349         },{
 350                 .name          = "PAL-60",
 351                 .id            = V4L2_STD_PAL_60,
 352
 353                 .h_start       = 0,
 354                 .h_stop        = 719,
 355                 .video_v_start = 23,
 356                 .video_v_stop  = 262,
 357                 .vbi_v_start_0 = 10,
 358                 .vbi_v_stop_0  = 21,
 359                 .vbi_v_start_1 = 273,
 360                 .src_timing    = 7,
 361
 362                 .sync_control  = 0x18,
 363                 .luma_control  = 0x40,
 364                 .chroma_ctrl1  = 0x81,
 365                 .chroma_gain   = 0x2a,
 366                 .chroma_ctrl2  = 0x06,
 367                 .vgate_misc    = 0x1c,
 368         }
 369 };
 370 #define TVNORMS ARRAY_SIZE(tvnorms)
 371
 372 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 373 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 374 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 375 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 376 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 377
 378 static const struct v4l2_queryctrl no_ctrl = {
 379         .name  = "42",
 380         .flags = V4L2_CTRL_FLAG_DISABLED,
 381 };
 382 static const struct v4l2_queryctrl video_ctrls[] = {
 383         /* --- video --- */
 384         {
 385                 .id            = V4L2_CID_BRIGHTNESS,
 386                 .name          = "Brightness",
 387                 .minimum       = 0,
 388                 .maximum       = 255,
 389                 .step          = 1,
 390                 .default_value = 128,
 391                 .type          = V4L2_CTRL_TYPE_INTEGER,
 392         },{
 393                 .id            = V4L2_CID_CONTRAST,
 394                 .name          = "Contrast",
 395                 .minimum       = 0,
 396                 .maximum       = 127,
 397                 .step          = 1,
 398                 .default_value = 68,
 399                 .type          = V4L2_CTRL_TYPE_INTEGER,
 400         },{
 401                 .id            = V4L2_CID_SATURATION,
 402                 .name          = "Saturation",
 403                 .minimum       = 0,
 404                 .maximum       = 127,
 405                 .step          = 1,
 406                 .default_value = 64,
 407                 .type          = V4L2_CTRL_TYPE_INTEGER,
 408         },{
 409                 .id            = V4L2_CID_HUE,
 410                 .name          = "Hue",
 411                 .minimum       = -128,
 412                 .maximum       = 127,
 413                 .step          = 1,
 414                 .default_value = 0,
 415                 .type          = V4L2_CTRL_TYPE_INTEGER,
 416         },{
 417                 .id            = V4L2_CID_HFLIP,
 418                 .name          = "Mirror",
 419                 .minimum       = 0,
 420                 .maximum       = 1,
 421                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 422         },
 423         /* --- audio --- */
 424         {
 425                 .id            = V4L2_CID_AUDIO_MUTE,
 426                 .name          = "Mute",
 427                 .minimum       = 0,
 428                 .maximum       = 1,
 429                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 430         },{
 431                 .id            = V4L2_CID_AUDIO_VOLUME,
 432                 .name          = "Volume",
 433                 .minimum       = -15,
 434                 .maximum       = 15,
 435                 .step          = 1,
 436                 .default_value = 0,
 437                 .type          = V4L2_CTRL_TYPE_INTEGER,
 438         },
 439         /* --- private --- */
 440         {
 441                 .id            = V4L2_CID_PRIVATE_INVERT,
 442                 .name          = "Invert",
 443                 .minimum       = 0,
 444                 .maximum       = 1,
 445                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 446         },{
 447                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 448                 .name          = "y offset odd field",
 449                 .minimum       = 0,
 450                 .maximum       = 128,
 451                 .step          = 1,
 452                 .default_value = 0,
 453                 .type          = V4L2_CTRL_TYPE_INTEGER,
 454         },{
 455                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 456                 .name          = "y offset even field",
 457                 .minimum       = 0,
 458                 .maximum       = 128,
 459                 .step          = 1,
 460                 .default_value = 0,
 461                 .type          = V4L2_CTRL_TYPE_INTEGER,
 462         },{
 463                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 464                 .name          = "automute",
 465                 .minimum       = 0,
 466                 .maximum       = 1,
 467                 .default_value = 1,
 468                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 469         }
 470 };
 471 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 472
 473 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 474 {
 475         unsigned int i;
 476
 477         for (i = 0; i < CTRLS; i++)
 478                 if (video_ctrls[i].id == id)
 479                         return video_ctrls+i;
 480         return NULL;
 481 }
 482
 483 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 484 {
 485         unsigned int i;
 486
 487         for (i = 0; i < FORMATS; i++)
 488                 if (formats[i].fourcc == fourcc)
 489                         return formats+i;
 490         return NULL;
 491 }
 492
 493 /* ----------------------------------------------------------------------- */
 494 /* resource management                                                     */
 495
 496 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 497 {
 498         if (fh->resources & bit)
 499                 /* have it already allocated */
 500                 return 1;
 501
 502         /* is it free? */
 503         mutex_lock(&dev->lock);
 504         if (dev->resources & bit) {
 505                 /* no, someone else uses it */
 506                 mutex_unlock(&dev->lock);
 507                 return 0;
 508         }
 509         /* it's free, grab it */
 510         fh->resources  |= bit;
 511         dev->resources |= bit;
 512         dprintk("res: get %d\n",bit);
 513         mutex_unlock(&dev->lock);
 514         return 1;
 515 }
 516
 517 static int res_check(struct saa7134_fh *fh, unsigned int bit)
 518 {
 519         return (fh->resources & bit);
 520 }
 521
 522 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
 523 {
 524         return (dev->resources & bit);
 525 }
 526
 527 static
 528 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 529 {
 530         BUG_ON((fh->resources & bits) != bits);
 531
 532         mutex_lock(&dev->lock);
 533         fh->resources  &= ~bits;
 534         dev->resources &= ~bits;
 535         dprintk("res: put %d\n",bits);
 536         mutex_unlock(&dev->lock);
 537 }
 538
 539 /* ------------------------------------------------------------------ */
 540
 541 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 542 {
 543         dprintk("set tv norm = %s\n",norm->name);
 544         dev->tvnorm = norm;
 545
 546         /* setup cropping */
 547         dev->crop_bounds.left    = norm->h_start;
 548         dev->crop_defrect.left   = norm->h_start;
 549         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 550         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 551
 552         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 553         dev->crop_defrect.top    = norm->video_v_start*2;
 554         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 555                 - dev->crop_bounds.top;
 556         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 557
 558         dev->crop_current = dev->crop_defrect;
 559
 560         saa7134_set_tvnorm_hw(dev);
 561 }
 562
 563 static void video_mux(struct saa7134_dev *dev, int input)
 564 {
 565         dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
 566         dev->ctl_input = input;
 567         set_tvnorm(dev, dev->tvnorm);
 568         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 569 }
 570
 571
 572 static void saa7134_set_decoder(struct saa7134_dev *dev)
 573 {
 574         int luma_control, sync_control, mux;
 575
 576         struct saa7134_tvnorm *norm = dev->tvnorm;
 577         mux = card_in(dev, dev->ctl_input).vmux;
 578
 579         luma_control = norm->luma_control;
 580         sync_control = norm->sync_control;
 581
 582         if (mux > 5)
 583                 luma_control |= 0x80; /* svideo */
 584         if (noninterlaced || dev->nosignal)
 585                 sync_control |= 0x20;
 586
 587         /* setup video decoder */
 588         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 589         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 590         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 591
 592         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 593         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 594         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 595         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 596         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 597
 598         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 599         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 600         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 601
 602         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 603                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 604
 605         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 606                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 607
 608         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 609         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 610         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 611
 612         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 613         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 614
 615         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 616         saa_writeb(SAA7134_VGATE_START,           0x11);
 617         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 618         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 619         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 620         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 621 }
 622
 623 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 624 {
 625         saa7134_set_decoder(dev);
 626
 627         if (card_in(dev, dev->ctl_input).tv)
 628                 saa_call_all(dev, core, s_std, dev->tvnorm->id);
 629         /* Set the correct norm for the saa6752hs. This function
 630            does nothing if there is no saa6752hs. */
 631         saa_call_empress(dev, core, s_std, dev->tvnorm->id);
 632 }
 633
 634 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 635 {
 636         static const struct {
 637                 int xpsc;
 638                 int xacl;
 639                 int xc2_1;
 640                 int xdcg;
 641                 int vpfy;
 642         } vals[] = {
 643                 /* XPSC XACL XC2_1 XDCG VPFY */
 644                 {    1,   0,    0,    0,   0 },
 645                 {    2,   2,    1,    2,   2 },
 646                 {    3,   4,    1,    3,   2 },
 647                 {    4,   8,    1,    4,   2 },
 648                 {    5,   8,    1,    4,   2 },
 649                 {    6,   8,    1,    4,   3 },
 650                 {    7,   8,    1,    4,   3 },
 651                 {    8,  15,    0,    4,   3 },
 652                 {    9,  15,    0,    4,   3 },
 653                 {   10,  16,    1,    5,   3 },
 654         };
 655         static const int count = ARRAY_SIZE(vals);
 656         int i;
 657
 658         for (i = 0; i < count; i++)
 659                 if (vals[i].xpsc == prescale)
 660                         break;
 661         if (i == count)
 662                 return;
 663
 664         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 665         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 666         saa_writeb(SAA7134_LEVEL_CTRL(task),
 667                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 668         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 669                    (vals[i].vpfy << 2) | vals[i].vpfy);
 670 }
 671
 672 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 673 {
 674         int val,mirror;
 675
 676         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 677         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 678
 679         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 680         if (yscale < 2048) {
 681                 /* LPI */
 682                 dprintk("yscale LPI yscale=%d\n",yscale);
 683                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 684                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 685                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 686         } else {
 687                 /* ACM */
 688                 val = 0x40 * 1024 / yscale;
 689                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 690                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 691                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 692                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 693         }
 694         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 695 }
 696
 697 static void set_size(struct saa7134_dev *dev, int task,
 698                      int width, int height, int interlace)
 699 {
 700         int prescale,xscale,yscale,y_even,y_odd;
 701         int h_start, h_stop, v_start, v_stop;
 702         int div = interlace ? 2 : 1;
 703
 704         /* setup video scaler */
 705         h_start = dev->crop_current.left;
 706         v_start = dev->crop_current.top/2;
 707         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 708         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 709
 710         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 711         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 712         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 713         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 714         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 715         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 716         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 717         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 718
 719         prescale = dev->crop_current.width / width;
 720         if (0 == prescale)
 721                 prescale = 1;
 722         xscale = 1024 * dev->crop_current.width / prescale / width;
 723         yscale = 512 * div * dev->crop_current.height / height;
 724         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 725         set_h_prescale(dev,task,prescale);
 726         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 727         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 728         set_v_scale(dev,task,yscale);
 729
 730         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 731         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 732         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 733         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 734
 735         /* deinterlace y offsets */
 736         y_odd  = dev->ctl_y_odd;
 737         y_even = dev->ctl_y_even;
 738         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 739         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 740         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 741         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 742 }
 743
 744 /* ------------------------------------------------------------------ */
 745
 746 struct cliplist {
 747         __u16 position;
 748         __u8  enable;
 749         __u8  disable;
 750 };
 751
 752 static void set_cliplist(struct saa7134_dev *dev, int reg,
 753                         struct cliplist *cl, int entries, char *name)
 754 {
 755         __u8 winbits = 0;
 756         int i;
 757
 758         for (i = 0; i < entries; i++) {
 759                 winbits |= cl[i].enable;
 760                 winbits &= ~cl[i].disable;
 761                 if (i < 15 && cl[i].position == cl[i+1].position)
 762                         continue;
 763                 saa_writeb(reg + 0, winbits);
 764                 saa_writeb(reg + 2, cl[i].position & 0xff);
 765                 saa_writeb(reg + 3, cl[i].position >> 8);
 766                 dprintk("clip: %s winbits=%02x pos=%d\n",
 767                         name,winbits,cl[i].position);
 768                 reg += 8;
 769         }
 770         for (; reg < 0x400; reg += 8) {
 771                 saa_writeb(reg+ 0, 0);
 772                 saa_writeb(reg + 1, 0);
 773                 saa_writeb(reg + 2, 0);
 774                 saa_writeb(reg + 3, 0);
 775         }
 776 }
 777
 778 static int clip_range(int val)
 779 {
 780         if (val < 0)
 781                 val = 0;
 782         return val;
 783 }
 784
 785 /* Sort into smallest position first order */
 786 static int cliplist_cmp(const void *a, const void *b)
 787 {
 788         const struct cliplist *cla = a;
 789         const struct cliplist *clb = b;
 790         if (cla->position < clb->position)
 791                 return -1;
 792         if (cla->position > clb->position)
 793                 return 1;
 794         return 0;
 795 }
 796
 797 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 798                           int nclips, int interlace)
 799 {
 800         struct cliplist col[16], row[16];
 801         int cols = 0, rows = 0, i;
 802         int div = interlace ? 2 : 1;
 803
 804         memset(col, 0, sizeof(col));
 805         memset(row, 0, sizeof(row));
 806         for (i = 0; i < nclips && i < 8; i++) {
 807                 col[cols].position = clip_range(clips[i].c.left);
 808                 col[cols].enable   = (1 << i);
 809                 cols++;
 810                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 811                 col[cols].disable  = (1 << i);
 812                 cols++;
 813                 row[rows].position = clip_range(clips[i].c.top / div);
 814                 row[rows].enable   = (1 << i);
 815                 rows++;
 816                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 817                                                 / div);
 818                 row[rows].disable  = (1 << i);
 819                 rows++;
 820         }
 821         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 822         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 823         set_cliplist(dev,0x380,col,cols,"cols");
 824         set_cliplist(dev,0x384,row,rows,"rows");
 825         return 0;
 826 }
 827
 828 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 829 {
 830         enum v4l2_field field;
 831         int maxw, maxh;
 832
 833         if (NULL == dev->ovbuf.base)
 834                 return -EINVAL;
 835         if (NULL == dev->ovfmt)
 836                 return -EINVAL;
 837         if (win->w.width < 48 || win->w.height <  32)
 838                 return -EINVAL;
 839         if (win->clipcount > 2048)
 840                 return -EINVAL;
 841
 842         field = win->field;
 843         maxw  = dev->crop_current.width;
 844         maxh  = dev->crop_current.height;
 845
 846         if (V4L2_FIELD_ANY == field) {
 847                 field = (win->w.height > maxh/2)
 848                         ? V4L2_FIELD_INTERLACED
 849                         : V4L2_FIELD_TOP;
 850         }
 851         switch (field) {
 852         case V4L2_FIELD_TOP:
 853         case V4L2_FIELD_BOTTOM:
 854                 maxh = maxh / 2;
 855                 break;
 856         case V4L2_FIELD_INTERLACED:
 857                 break;
 858         default:
 859                 return -EINVAL;
 860         }
 861
 862         win->field = field;
 863         if (win->w.width > maxw)
 864                 win->w.width = maxw;
 865         if (win->w.height > maxh)
 866                 win->w.height = maxh;
 867         return 0;
 868 }
 869
 870 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 871 {
 872         unsigned long base,control,bpl;
 873         int err;
 874
 875         err = verify_preview(dev,&fh->win);
 876         if (0 != err)
 877                 return err;
 878
 879         dev->ovfield = fh->win.field;
 880         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 881                 fh->win.w.width,fh->win.w.height,
 882                 fh->win.w.left,fh->win.w.top,
 883                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 884
 885         /* setup window + clipping */
 886         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 887                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 888         setup_clipping(dev,fh->clips,fh->nclips,
 889                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 890         if (dev->ovfmt->yuv)
 891                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 892         else
 893                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 894         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 895
 896         /* dma: setup channel 1 (= Video Task B) */
 897         base  = (unsigned long)dev->ovbuf.base;
 898         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 899         base += dev->ovfmt->depth/8         * fh->win.w.left;
 900         bpl   = dev->ovbuf.fmt.bytesperline;
 901         control = SAA7134_RS_CONTROL_BURST_16;
 902         if (dev->ovfmt->bswap)
 903                 control |= SAA7134_RS_CONTROL_BSWAP;
 904         if (dev->ovfmt->wswap)
 905                 control |= SAA7134_RS_CONTROL_WSWAP;
 906         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 907                 saa_writel(SAA7134_RS_BA1(1),base);
 908                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 909                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 910                 saa_writel(SAA7134_RS_CONTROL(1),control);
 911         } else {
 912                 saa_writel(SAA7134_RS_BA1(1),base);
 913                 saa_writel(SAA7134_RS_BA2(1),base);
 914                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 915                 saa_writel(SAA7134_RS_CONTROL(1),control);
 916         }
 917
 918         /* start dma */
 919         dev->ovenable = 1;
 920         saa7134_set_dmabits(dev);
 921
 922         return 0;
 923 }
 924
 925 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 926 {
 927         dev->ovenable = 0;
 928         saa7134_set_dmabits(dev);
 929         return 0;
 930 }
 931
 932 /* ------------------------------------------------------------------ */
 933
 934 static int buffer_activate(struct saa7134_dev *dev,
 935                            struct saa7134_buf *buf,
 936                            struct saa7134_buf *next)
 937 {
 938         unsigned long base,control,bpl;
 939         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 940
 941         dprintk("buffer_activate buf=%p\n",buf);
 942         buf->vb.state = VIDEOBUF_ACTIVE;
 943         buf->top_seen = 0;
 944
 945         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 946                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 947         if (buf->fmt->yuv)
 948                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 949         else
 950                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 951         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 952
 953         /* DMA: setup channel 0 (= Video Task A0) */
 954         base  = saa7134_buffer_base(buf);
 955         if (buf->fmt->planar)
 956                 bpl = buf->vb.width;
 957         else
 958                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 959         control = SAA7134_RS_CONTROL_BURST_16 |
 960                 SAA7134_RS_CONTROL_ME |
 961                 (buf->pt->dma >> 12);
 962         if (buf->fmt->bswap)
 963                 control |= SAA7134_RS_CONTROL_BSWAP;
 964         if (buf->fmt->wswap)
 965                 control |= SAA7134_RS_CONTROL_WSWAP;
 966         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 967                 /* interlaced */
 968                 saa_writel(SAA7134_RS_BA1(0),base);
 969                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 970                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 971         } else {
 972                 /* non-interlaced */
 973                 saa_writel(SAA7134_RS_BA1(0),base);
 974                 saa_writel(SAA7134_RS_BA2(0),base);
 975                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 976         }
 977         saa_writel(SAA7134_RS_CONTROL(0),control);
 978
 979         if (buf->fmt->planar) {
 980                 /* DMA: setup channel 4+5 (= planar task A) */
 981                 bpl_uv   = bpl >> buf->fmt->hshift;
 982                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 983                 base2    = base + bpl * buf->vb.height;
 984                 base3    = base2 + bpl_uv * lines_uv;
 985                 if (buf->fmt->uvswap)
 986                         tmp = base2, base2 = base3, base3 = tmp;
 987                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 988                         bpl_uv,lines_uv,base2,base3);
 989                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 990                         /* interlaced */
 991                         saa_writel(SAA7134_RS_BA1(4),base2);
 992                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 993                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 994                         saa_writel(SAA7134_RS_BA1(5),base3);
 995                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 996                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 997                 } else {
 998                         /* non-interlaced */
 999                         saa_writel(SAA7134_RS_BA1(4),base2);
1000                         saa_writel(SAA7134_RS_BA2(4),base2);
1001                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1002                         saa_writel(SAA7134_RS_BA1(5),base3);
1003                         saa_writel(SAA7134_RS_BA2(5),base3);
1004                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1005                 }
1006                 saa_writel(SAA7134_RS_CONTROL(4),control);
1007                 saa_writel(SAA7134_RS_CONTROL(5),control);
1008         }
1009
1010         /* start DMA */
1011         saa7134_set_dmabits(dev);
1012         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1013         return 0;
1014 }
1015
1016 static int buffer_prepare(struct videobuf_queue *q,
1017                           struct videobuf_buffer *vb,
1018                           enum v4l2_field field)
1019 {
1020         struct saa7134_fh *fh = q->priv_data;
1021         struct saa7134_dev *dev = fh->dev;
1022         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1023         unsigned int size;
1024         int err;
1025
1026         /* sanity checks */
1027         if (NULL == fh->fmt)
1028                 return -EINVAL;
1029         if (fh->width    < 48 ||
1030             fh->height   < 32 ||
1031             fh->width/4  > dev->crop_current.width  ||
1032             fh->height/4 > dev->crop_current.height ||
1033             fh->width    > dev->crop_bounds.width  ||
1034             fh->height   > dev->crop_bounds.height)
1035                 return -EINVAL;
1036         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1037         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1038                 return -EINVAL;
1039
1040         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1041                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1042                 fh->fmt->name);
1043         if (buf->vb.width  != fh->width  ||
1044             buf->vb.height != fh->height ||
1045             buf->vb.size   != size       ||
1046             buf->vb.field  != field      ||
1047             buf->fmt       != fh->fmt) {
1048                 saa7134_dma_free(q,buf);
1049         }
1050
1051         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1052                 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1053
1054                 buf->vb.width  = fh->width;
1055                 buf->vb.height = fh->height;
1056                 buf->vb.size   = size;
1057                 buf->vb.field  = field;
1058                 buf->fmt       = fh->fmt;
1059                 buf->pt        = &fh->pt_cap;
1060                 dev->video_q.curr = NULL;
1061
1062                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1063                 if (err)
1064                         goto oops;
1065                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1066                                             dma->sglist,
1067                                             dma->sglen,
1068                                             saa7134_buffer_startpage(buf));
1069                 if (err)
1070                         goto oops;
1071         }
1072         buf->vb.state = VIDEOBUF_PREPARED;
1073         buf->activate = buffer_activate;
1074         return 0;
1075
1076  oops:
1077         saa7134_dma_free(q,buf);
1078         return err;
1079 }
1080
1081 static int
1082 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1083 {
1084         struct saa7134_fh *fh = q->priv_data;
1085
1086         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1087         if (0 == *count)
1088                 *count = gbuffers;
1089         *count = saa7134_buffer_count(*size,*count);
1090         return 0;
1091 }
1092
1093 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1094 {
1095         struct saa7134_fh *fh = q->priv_data;
1096         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1097
1098         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1099 }
1100
1101 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1102 {
1103         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1104
1105         saa7134_dma_free(q,buf);
1106 }
1107
1108 static struct videobuf_queue_ops video_qops = {
1109         .buf_setup    = buffer_setup,
1110         .buf_prepare  = buffer_prepare,
1111         .buf_queue    = buffer_queue,
1112         .buf_release  = buffer_release,
1113 };
1114
1115 /* ------------------------------------------------------------------ */
1116
1117 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1118 {
1119         const struct v4l2_queryctrl* ctrl;
1120
1121         ctrl = ctrl_by_id(c->id);
1122         if (NULL == ctrl)
1123                 return -EINVAL;
1124         switch (c->id) {
1125         case V4L2_CID_BRIGHTNESS:
1126                 c->value = dev->ctl_bright;
1127                 break;
1128         case V4L2_CID_HUE:
1129                 c->value = dev->ctl_hue;
1130                 break;
1131         case V4L2_CID_CONTRAST:
1132                 c->value = dev->ctl_contrast;
1133                 break;
1134         case V4L2_CID_SATURATION:
1135                 c->value = dev->ctl_saturation;
1136                 break;
1137         case V4L2_CID_AUDIO_MUTE:
1138                 c->value = dev->ctl_mute;
1139                 break;
1140         case V4L2_CID_AUDIO_VOLUME:
1141                 c->value = dev->ctl_volume;
1142                 break;
1143         case V4L2_CID_PRIVATE_INVERT:
1144                 c->value = dev->ctl_invert;
1145                 break;
1146         case V4L2_CID_HFLIP:
1147                 c->value = dev->ctl_mirror;
1148                 break;
1149         case V4L2_CID_PRIVATE_Y_EVEN:
1150                 c->value = dev->ctl_y_even;
1151                 break;
1152         case V4L2_CID_PRIVATE_Y_ODD:
1153                 c->value = dev->ctl_y_odd;
1154                 break;
1155         case V4L2_CID_PRIVATE_AUTOMUTE:
1156                 c->value = dev->ctl_automute;
1157                 break;
1158         default:
1159                 return -EINVAL;
1160         }
1161         return 0;
1162 }
1163 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1164
1165 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1166 {
1167         struct saa7134_fh *fh = priv;
1168
1169         return saa7134_g_ctrl_internal(fh->dev, fh, c);
1170 }
1171
1172 int saa7134_s_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c)
1173 {
1174         const struct v4l2_queryctrl* ctrl;
1175         unsigned long flags;
1176         int restart_overlay = 0;
1177         int err;
1178
1179         /* When called from the empress code fh == NULL.
1180            That needs to be fixed somehow, but for now this is
1181            good enough. */
1182         if (fh) {
1183                 err = v4l2_prio_check(&dev->prio, fh->prio);
1184                 if (0 != err)
1185                         return err;
1186         }
1187         err = -EINVAL;
1188
1189         mutex_lock(&dev->lock);
1190
1191         ctrl = ctrl_by_id(c->id);
1192         if (NULL == ctrl)
1193                 goto error;
1194
1195         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1196         switch (ctrl->type) {
1197         case V4L2_CTRL_TYPE_BOOLEAN:
1198         case V4L2_CTRL_TYPE_MENU:
1199         case V4L2_CTRL_TYPE_INTEGER:
1200                 if (c->value < ctrl->minimum)
1201                         c->value = ctrl->minimum;
1202                 if (c->value > ctrl->maximum)
1203                         c->value = ctrl->maximum;
1204                 break;
1205         default:
1206                 /* nothing */;
1207         }
1208         switch (c->id) {
1209         case V4L2_CID_BRIGHTNESS:
1210                 dev->ctl_bright = c->value;
1211                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1212                 break;
1213         case V4L2_CID_HUE:
1214                 dev->ctl_hue = c->value;
1215                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1216                 break;
1217         case V4L2_CID_CONTRAST:
1218                 dev->ctl_contrast = c->value;
1219                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1220                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1221                 break;
1222         case V4L2_CID_SATURATION:
1223                 dev->ctl_saturation = c->value;
1224                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1225                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1226                 break;
1227         case V4L2_CID_AUDIO_MUTE:
1228                 dev->ctl_mute = c->value;
1229                 saa7134_tvaudio_setmute(dev);
1230                 break;
1231         case V4L2_CID_AUDIO_VOLUME:
1232                 dev->ctl_volume = c->value;
1233                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1234                 break;
1235         case V4L2_CID_PRIVATE_INVERT:
1236                 dev->ctl_invert = c->value;
1237                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1238                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1239                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1240                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1241                 break;
1242         case V4L2_CID_HFLIP:
1243                 dev->ctl_mirror = c->value;
1244                 restart_overlay = 1;
1245                 break;
1246         case V4L2_CID_PRIVATE_Y_EVEN:
1247                 dev->ctl_y_even = c->value;
1248                 restart_overlay = 1;
1249                 break;
1250         case V4L2_CID_PRIVATE_Y_ODD:
1251                 dev->ctl_y_odd = c->value;
1252                 restart_overlay = 1;
1253                 break;
1254         case V4L2_CID_PRIVATE_AUTOMUTE:
1255         {
1256                 struct v4l2_priv_tun_config tda9887_cfg;
1257
1258                 tda9887_cfg.tuner = TUNER_TDA9887;
1259                 tda9887_cfg.priv = &dev->tda9887_conf;
1260
1261                 dev->ctl_automute = c->value;
1262                 if (dev->tda9887_conf) {
1263                         if (dev->ctl_automute)
1264                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1265                         else
1266                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1267
1268                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1269                 }
1270                 break;
1271         }
1272         default:
1273                 goto error;
1274         }
1275         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1276                 spin_lock_irqsave(&dev->slock,flags);
1277                 stop_preview(dev,fh);
1278                 start_preview(dev,fh);
1279                 spin_unlock_irqrestore(&dev->slock,flags);
1280         }
1281         err = 0;
1282
1283 error:
1284         mutex_unlock(&dev->lock);
1285         return err;
1286 }
1287 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1288
1289 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1290 {
1291         struct saa7134_fh *fh = f;
1292
1293         return saa7134_s_ctrl_internal(fh->dev, fh, c);
1294 }
1295
1296 /* ------------------------------------------------------------------ */
1297
1298 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1299 {
1300         struct videobuf_queue* q = NULL;
1301
1302         switch (fh->type) {
1303         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1304                 q = &fh->cap;
1305                 break;
1306         case V4L2_BUF_TYPE_VBI_CAPTURE:
1307                 q = &fh->vbi;
1308                 break;
1309         default:
1310                 BUG();
1311         }
1312         return q;
1313 }
1314
1315 static int saa7134_resource(struct saa7134_fh *fh)
1316 {
1317         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1318                 return RESOURCE_VIDEO;
1319
1320         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1321                 return RESOURCE_VBI;
1322
1323         BUG();
1324         return 0;
1325 }
1326
1327 static int video_open(struct file *file)
1328 {
1329         struct video_device *vdev = video_devdata(file);
1330         struct saa7134_dev *dev = video_drvdata(file);
1331         struct saa7134_fh *fh;
1332         enum v4l2_buf_type type = 0;
1333         int radio = 0;
1334
1335         switch (vdev->vfl_type) {
1336         case VFL_TYPE_GRABBER:
1337                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1338                 break;
1339         case VFL_TYPE_VBI:
1340                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1341                 break;
1342         case VFL_TYPE_RADIO:
1343                 radio = 1;
1344                 break;
1345         }
1346
1347         dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev),
1348                 radio, v4l2_type_names[type]);
1349
1350         /* allocate + initialize per filehandle data */
1351         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1352         if (NULL == fh)
1353                 return -ENOMEM;
1354
1355         file->private_data = fh;
1356         fh->dev      = dev;
1357         fh->radio    = radio;
1358         fh->type     = type;
1359         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1360         fh->width    = 720;
1361         fh->height   = 576;
1362         v4l2_prio_open(&dev->prio, &fh->prio);
1363
1364         videobuf_queue_sg_init(&fh->cap, &video_qops,
1365                             &dev->pci->dev, &dev->slock,
1366                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1367                             V4L2_FIELD_INTERLACED,
1368                             sizeof(struct saa7134_buf),
1369                             fh, NULL);
1370         videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1371                             &dev->pci->dev, &dev->slock,
1372                             V4L2_BUF_TYPE_VBI_CAPTURE,
1373                             V4L2_FIELD_SEQ_TB,
1374                             sizeof(struct saa7134_buf),
1375                             fh, NULL);
1376         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1377         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1378
1379         if (fh->radio) {
1380                 /* switch to radio mode */
1381                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1382                 saa_call_all(dev, tuner, s_radio);
1383         } else {
1384                 /* switch to video/vbi mode */
1385                 video_mux(dev,dev->ctl_input);
1386         }
1387         return 0;
1388 }
1389
1390 static ssize_t
1391 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1392 {
1393         struct saa7134_fh *fh = file->private_data;
1394
1395         switch (fh->type) {
1396         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1397                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1398                         return -EBUSY;
1399                 return videobuf_read_one(saa7134_queue(fh),
1400                                          data, count, ppos,
1401                                          file->f_flags & O_NONBLOCK);
1402         case V4L2_BUF_TYPE_VBI_CAPTURE:
1403                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1404                         return -EBUSY;
1405                 return videobuf_read_stream(saa7134_queue(fh),
1406                                             data, count, ppos, 1,
1407                                             file->f_flags & O_NONBLOCK);
1408                 break;
1409         default:
1410                 BUG();
1411                 return 0;
1412         }
1413 }
1414
1415 static unsigned int
1416 video_poll(struct file *file, struct poll_table_struct *wait)
1417 {
1418         struct saa7134_fh *fh = file->private_data;
1419         struct videobuf_buffer *buf = NULL;
1420         unsigned int rc = 0;
1421
1422         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1423                 return videobuf_poll_stream(file, &fh->vbi, wait);
1424
1425         if (res_check(fh,RESOURCE_VIDEO)) {
1426                 mutex_lock(&fh->cap.vb_lock);
1427                 if (!list_empty(&fh->cap.stream))
1428                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1429         } else {
1430                 mutex_lock(&fh->cap.vb_lock);
1431                 if (UNSET == fh->cap.read_off) {
1432                         /* need to capture a new frame */
1433                         if (res_locked(fh->dev,RESOURCE_VIDEO))
1434                                 goto err;
1435                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1436                                 goto err;
1437                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1438                         fh->cap.read_off = 0;
1439                 }
1440                 buf = fh->cap.read_buf;
1441         }
1442
1443         if (!buf)
1444                 goto err;
1445
1446         poll_wait(file, &buf->done, wait);
1447         if (buf->state == VIDEOBUF_DONE ||
1448             buf->state == VIDEOBUF_ERROR)
1449                 rc = POLLIN|POLLRDNORM;
1450         mutex_unlock(&fh->cap.vb_lock);
1451         return rc;
1452
1453 err:
1454         mutex_unlock(&fh->cap.vb_lock);
1455         return POLLERR;
1456 }
1457
1458 static int video_release(struct file *file)
1459 {
1460         struct saa7134_fh  *fh  = file->private_data;
1461         struct saa7134_dev *dev = fh->dev;
1462         struct saa6588_command cmd;
1463         unsigned long flags;
1464
1465         saa7134_tvaudio_close(dev);
1466
1467         /* turn off overlay */
1468         if (res_check(fh, RESOURCE_OVERLAY)) {
1469                 spin_lock_irqsave(&dev->slock,flags);
1470                 stop_preview(dev,fh);
1471                 spin_unlock_irqrestore(&dev->slock,flags);
1472                 res_free(dev,fh,RESOURCE_OVERLAY);
1473         }
1474
1475         /* stop video capture */
1476         if (res_check(fh, RESOURCE_VIDEO)) {
1477                 videobuf_streamoff(&fh->cap);
1478                 res_free(dev,fh,RESOURCE_VIDEO);
1479         }
1480         if (fh->cap.read_buf) {
1481                 buffer_release(&fh->cap,fh->cap.read_buf);
1482                 kfree(fh->cap.read_buf);
1483         }
1484
1485         /* stop vbi capture */
1486         if (res_check(fh, RESOURCE_VBI)) {
1487                 videobuf_stop(&fh->vbi);
1488                 res_free(dev,fh,RESOURCE_VBI);
1489         }
1490
1491         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1492         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1493         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1494         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1495         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1496
1497         saa_call_all(dev, core, s_power, 0);
1498         if (fh->radio)
1499                 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1500
1501         /* free stuff */
1502         videobuf_mmap_free(&fh->cap);
1503         videobuf_mmap_free(&fh->vbi);
1504         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1505         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1506
1507         v4l2_prio_close(&dev->prio, fh->prio);
1508         file->private_data = NULL;
1509         kfree(fh);
1510         return 0;
1511 }
1512
1513 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1514 {
1515         struct saa7134_fh *fh = file->private_data;
1516
1517         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1518 }
1519
1520 static ssize_t radio_read(struct file *file, char __user *data,
1521                          size_t count, loff_t *ppos)
1522 {
1523         struct saa7134_fh *fh = file->private_data;
1524         struct saa7134_dev *dev = fh->dev;
1525         struct saa6588_command cmd;
1526
1527         cmd.block_count = count/3;
1528         cmd.buffer = data;
1529         cmd.instance = file;
1530         cmd.result = -ENODEV;
1531
1532         saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1533
1534         return cmd.result;
1535 }
1536
1537 static unsigned int radio_poll(struct file *file, poll_table *wait)
1538 {
1539         struct saa7134_fh *fh = file->private_data;
1540         struct saa7134_dev *dev = fh->dev;
1541         struct saa6588_command cmd;
1542
1543         cmd.instance = file;
1544         cmd.event_list = wait;
1545         cmd.result = -ENODEV;
1546         saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1547
1548         return cmd.result;
1549 }
1550
1551 /* ------------------------------------------------------------------ */
1552
1553 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1554                                                 struct v4l2_format *f)
1555 {
1556         struct saa7134_fh *fh = priv;
1557         struct saa7134_dev *dev = fh->dev;
1558         struct saa7134_tvnorm *norm = dev->tvnorm;
1559
1560         f->fmt.vbi.sampling_rate = 6750000 * 4;
1561         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1562         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1563         f->fmt.vbi.offset = 64 * 4;
1564         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1565         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1566         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1567         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1568         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1569
1570         return 0;
1571 }
1572
1573 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1574                                 struct v4l2_format *f)
1575 {
1576         struct saa7134_fh *fh = priv;
1577
1578         f->fmt.pix.width        = fh->width;
1579         f->fmt.pix.height       = fh->height;
1580         f->fmt.pix.field        = fh->cap.field;
1581         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1582         f->fmt.pix.bytesperline =
1583                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1584         f->fmt.pix.sizeimage =
1585                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1586         return 0;
1587 }
1588
1589 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1590                                 struct v4l2_format *f)
1591 {
1592         struct saa7134_fh *fh = priv;
1593
1594         if (saa7134_no_overlay > 0) {
1595                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1596                 return -EINVAL;
1597         }
1598         f->fmt.win = fh->win;
1599
1600         return 0;
1601 }
1602
1603 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1604                                                 struct v4l2_format *f)
1605 {
1606         struct saa7134_fh *fh = priv;
1607         struct saa7134_dev *dev = fh->dev;
1608         struct saa7134_format *fmt;
1609         enum v4l2_field field;
1610         unsigned int maxw, maxh;
1611
1612         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1613         if (NULL == fmt)
1614                 return -EINVAL;
1615
1616         field = f->fmt.pix.field;
1617         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1618         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1619
1620         if (V4L2_FIELD_ANY == field) {
1621                 field = (f->fmt.pix.height > maxh/2)
1622                         ? V4L2_FIELD_INTERLACED
1623                         : V4L2_FIELD_BOTTOM;
1624         }
1625         switch (field) {
1626         case V4L2_FIELD_TOP:
1627         case V4L2_FIELD_BOTTOM:
1628                 maxh = maxh / 2;
1629                 break;
1630         case V4L2_FIELD_INTERLACED:
1631                 break;
1632         default:
1633                 return -EINVAL;
1634         }
1635
1636         f->fmt.pix.field = field;
1637         if (f->fmt.pix.width  < 48)
1638                 f->fmt.pix.width  = 48;
1639         if (f->fmt.pix.height < 32)
1640                 f->fmt.pix.height = 32;
1641         if (f->fmt.pix.width > maxw)
1642                 f->fmt.pix.width = maxw;
1643         if (f->fmt.pix.height > maxh)
1644                 f->fmt.pix.height = maxh;
1645         f->fmt.pix.width &= ~0x03;
1646         f->fmt.pix.bytesperline =
1647                 (f->fmt.pix.width * fmt->depth) >> 3;
1648         f->fmt.pix.sizeimage =
1649                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1650
1651         return 0;
1652 }
1653
1654 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1655                                                 struct v4l2_format *f)
1656 {
1657         struct saa7134_fh *fh = priv;
1658         struct saa7134_dev *dev = fh->dev;
1659
1660         if (saa7134_no_overlay > 0) {
1661                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1662                 return -EINVAL;
1663         }
1664
1665         return verify_preview(dev, &f->fmt.win);
1666 }
1667
1668 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1669                                         struct v4l2_format *f)
1670 {
1671         struct saa7134_fh *fh = priv;
1672         int err;
1673
1674         err = saa7134_try_fmt_vid_cap(file, priv, f);
1675         if (0 != err)
1676                 return err;
1677
1678         fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1679         fh->width     = f->fmt.pix.width;
1680         fh->height    = f->fmt.pix.height;
1681         fh->cap.field = f->fmt.pix.field;
1682         return 0;
1683 }
1684
1685 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1686                                         struct v4l2_format *f)
1687 {
1688         struct saa7134_fh *fh = priv;
1689         struct saa7134_dev *dev = fh->dev;
1690         int err;
1691         unsigned long flags;
1692
1693         if (saa7134_no_overlay > 0) {
1694                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1695                 return -EINVAL;
1696         }
1697         err = verify_preview(dev, &f->fmt.win);
1698         if (0 != err)
1699                 return err;
1700
1701         mutex_lock(&dev->lock);
1702
1703         fh->win    = f->fmt.win;
1704         fh->nclips = f->fmt.win.clipcount;
1705
1706         if (fh->nclips > 8)
1707                 fh->nclips = 8;
1708
1709         if (copy_from_user(fh->clips, f->fmt.win.clips,
1710                            sizeof(struct v4l2_clip)*fh->nclips)) {
1711                 mutex_unlock(&dev->lock);
1712                 return -EFAULT;
1713         }
1714
1715         if (res_check(fh, RESOURCE_OVERLAY)) {
1716                 spin_lock_irqsave(&dev->slock, flags);
1717                 stop_preview(dev, fh);
1718                 start_preview(dev, fh);
1719                 spin_unlock_irqrestore(&dev->slock, flags);
1720         }
1721
1722         mutex_unlock(&dev->lock);
1723         return 0;
1724 }
1725
1726 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1727 {
1728         const struct v4l2_queryctrl *ctrl;
1729
1730         if ((c->id <  V4L2_CID_BASE ||
1731              c->id >= V4L2_CID_LASTP1) &&
1732             (c->id <  V4L2_CID_PRIVATE_BASE ||
1733              c->id >= V4L2_CID_PRIVATE_LASTP1))
1734                 return -EINVAL;
1735         ctrl = ctrl_by_id(c->id);
1736         *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1737         return 0;
1738 }
1739 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1740
1741 static int saa7134_enum_input(struct file *file, void *priv,
1742                                         struct v4l2_input *i)
1743 {
1744         struct saa7134_fh *fh = priv;
1745         struct saa7134_dev *dev = fh->dev;
1746         unsigned int n;
1747
1748         n = i->index;
1749         if (n >= SAA7134_INPUT_MAX)
1750                 return -EINVAL;
1751         if (NULL == card_in(dev, i->index).name)
1752                 return -EINVAL;
1753         i->index = n;
1754         i->type  = V4L2_INPUT_TYPE_CAMERA;
1755         strcpy(i->name, card_in(dev, n).name);
1756         if (card_in(dev, n).tv)
1757                 i->type = V4L2_INPUT_TYPE_TUNER;
1758         i->audioset = 1;
1759         if (n == dev->ctl_input) {
1760                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1761                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1762
1763                 if (0 != (v1 & 0x40))
1764                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1765                 if (0 != (v2 & 0x40))
1766                         i->status |= V4L2_IN_ST_NO_SYNC;
1767                 if (0 != (v2 & 0x0e))
1768                         i->status |= V4L2_IN_ST_MACROVISION;
1769         }
1770         i->std = SAA7134_NORMS;
1771         return 0;
1772 }
1773
1774 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1775 {
1776         struct saa7134_fh *fh = priv;
1777         struct saa7134_dev *dev = fh->dev;
1778
1779         *i = dev->ctl_input;
1780         return 0;
1781 }
1782
1783 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1784 {
1785         struct saa7134_fh *fh = priv;
1786         struct saa7134_dev *dev = fh->dev;
1787         int err;
1788
1789         err = v4l2_prio_check(&dev->prio, fh->prio);
1790         if (0 != err)
1791                 return err;
1792
1793         if (i >= SAA7134_INPUT_MAX)
1794                 return -EINVAL;
1795         if (NULL == card_in(dev, i).name)
1796                 return -EINVAL;
1797         mutex_lock(&dev->lock);
1798         video_mux(dev, i);
1799         mutex_unlock(&dev->lock);
1800         return 0;
1801 }
1802
1803 static int saa7134_querycap(struct file *file, void  *priv,
1804                                         struct v4l2_capability *cap)
1805 {
1806         struct saa7134_fh *fh = priv;
1807         struct saa7134_dev *dev = fh->dev;
1808         struct video_device *vdev = video_devdata(file);
1809         u32 radio_caps, video_caps, vbi_caps;
1810
1811         unsigned int tuner_type = dev->tuner_type;
1812
1813         strcpy(cap->driver, "saa7134");
1814         strlcpy(cap->card, saa7134_boards[dev->board].name,
1815                 sizeof(cap->card));
1816         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1817
1818         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1819         if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1820                 cap->device_caps |= V4L2_CAP_TUNER;
1821
1822         radio_caps = V4L2_CAP_RADIO;
1823         if (dev->has_rds)
1824                 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1825
1826         video_caps = V4L2_CAP_VIDEO_CAPTURE;
1827         if (saa7134_no_overlay <= 0)
1828                 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1829
1830         vbi_caps = V4L2_CAP_VBI_CAPTURE;
1831
1832         switch (vdev->vfl_type) {
1833         case VFL_TYPE_RADIO:
1834                 cap->device_caps |= radio_caps;
1835                 break;
1836         case VFL_TYPE_GRABBER:
1837                 cap->device_caps |= video_caps;
1838                 break;
1839         case VFL_TYPE_VBI:
1840                 cap->device_caps |= vbi_caps;
1841                 break;
1842         }
1843         cap->capabilities = radio_caps | video_caps | vbi_caps |
1844                 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1845         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1846                 cap->device_caps &= ~V4L2_CAP_STREAMING;
1847                 if (!dev->has_rds)
1848                         cap->device_caps &= ~V4L2_CAP_READWRITE;
1849         }
1850
1851         return 0;
1852 }
1853
1854 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id)
1855 {
1856         unsigned long flags;
1857         unsigned int i;
1858         v4l2_std_id fixup;
1859         int err;
1860
1861         /* When called from the empress code fh == NULL.
1862            That needs to be fixed somehow, but for now this is
1863            good enough. */
1864         if (fh) {
1865                 err = v4l2_prio_check(&dev->prio, fh->prio);
1866                 if (0 != err)
1867                         return err;
1868         } else if (res_locked(dev, RESOURCE_OVERLAY)) {
1869                 /* Don't change the std from the mpeg device
1870                    if overlay is active. */
1871                 return -EBUSY;
1872         }
1873
1874         for (i = 0; i < TVNORMS; i++)
1875                 if (id == tvnorms[i].id)
1876                         break;
1877
1878         if (i == TVNORMS)
1879                 for (i = 0; i < TVNORMS; i++)
1880                         if (id & tvnorms[i].id)
1881                                 break;
1882         if (i == TVNORMS)
1883                 return -EINVAL;
1884
1885         if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1886                 if (secam[0] == 'L' || secam[0] == 'l') {
1887                         if (secam[1] == 'C' || secam[1] == 'c')
1888                                 fixup = V4L2_STD_SECAM_LC;
1889                         else
1890                                 fixup = V4L2_STD_SECAM_L;
1891                 } else {
1892                         if (secam[0] == 'D' || secam[0] == 'd')
1893                                 fixup = V4L2_STD_SECAM_DK;
1894                         else
1895                                 fixup = V4L2_STD_SECAM;
1896                 }
1897                 for (i = 0; i < TVNORMS; i++) {
1898                         if (fixup == tvnorms[i].id)
1899                                 break;
1900                 }
1901                 if (i == TVNORMS)
1902                         return -EINVAL;
1903         }
1904
1905         id = tvnorms[i].id;
1906
1907         mutex_lock(&dev->lock);
1908         if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1909                 spin_lock_irqsave(&dev->slock, flags);
1910                 stop_preview(dev, fh);
1911                 spin_unlock_irqrestore(&dev->slock, flags);
1912
1913                 set_tvnorm(dev, &tvnorms[i]);
1914
1915                 spin_lock_irqsave(&dev->slock, flags);
1916                 start_preview(dev, fh);
1917                 spin_unlock_irqrestore(&dev->slock, flags);
1918         } else
1919                 set_tvnorm(dev, &tvnorms[i]);
1920
1921         saa7134_tvaudio_do_scan(dev);
1922         mutex_unlock(&dev->lock);
1923         return 0;
1924 }
1925 EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1926
1927 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1928 {
1929         struct saa7134_fh *fh = priv;
1930
1931         return saa7134_s_std_internal(fh->dev, fh, id);
1932 }
1933
1934 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1935 {
1936         struct saa7134_fh *fh = priv;
1937         struct saa7134_dev *dev = fh->dev;
1938
1939         *id = dev->tvnorm->id;
1940         return 0;
1941 }
1942
1943 static int saa7134_cropcap(struct file *file, void *priv,
1944                                         struct v4l2_cropcap *cap)
1945 {
1946         struct saa7134_fh *fh = priv;
1947         struct saa7134_dev *dev = fh->dev;
1948
1949         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1950             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1951                 return -EINVAL;
1952         cap->bounds  = dev->crop_bounds;
1953         cap->defrect = dev->crop_defrect;
1954         cap->pixelaspect.numerator   = 1;
1955         cap->pixelaspect.denominator = 1;
1956         if (dev->tvnorm->id & V4L2_STD_525_60) {
1957                 cap->pixelaspect.numerator   = 11;
1958                 cap->pixelaspect.denominator = 10;
1959         }
1960         if (dev->tvnorm->id & V4L2_STD_625_50) {
1961                 cap->pixelaspect.numerator   = 54;
1962                 cap->pixelaspect.denominator = 59;
1963         }
1964         return 0;
1965 }
1966
1967 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1968 {
1969         struct saa7134_fh *fh = f;
1970         struct saa7134_dev *dev = fh->dev;
1971
1972         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1973             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1974                 return -EINVAL;
1975         crop->c = dev->crop_current;
1976         return 0;
1977 }
1978
1979 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1980 {
1981         struct saa7134_fh *fh = f;
1982         struct saa7134_dev *dev = fh->dev;
1983         struct v4l2_rect *b = &dev->crop_bounds;
1984         struct v4l2_rect *c = &dev->crop_current;
1985
1986         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1987             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1988                 return -EINVAL;
1989         if (crop->c.height < 0)
1990                 return -EINVAL;
1991         if (crop->c.width < 0)
1992                 return -EINVAL;
1993
1994         if (res_locked(fh->dev, RESOURCE_OVERLAY))
1995                 return -EBUSY;
1996         if (res_locked(fh->dev, RESOURCE_VIDEO))
1997                 return -EBUSY;
1998
1999         *c = crop->c;
2000         if (c->top < b->top)
2001                 c->top = b->top;
2002         if (c->top > b->top + b->height)
2003                 c->top = b->top + b->height;
2004         if (c->height > b->top - c->top + b->height)
2005                 c->height = b->top - c->top + b->height;
2006
2007         if (c->left < b->left)
2008                 c->left = b->left;
2009         if (c->left > b->left + b->width)
2010                 c->left = b->left + b->width;
2011         if (c->width > b->left - c->left + b->width)
2012                 c->width = b->left - c->left + b->width;
2013         return 0;
2014 }
2015
2016 static int saa7134_g_tuner(struct file *file, void *priv,
2017                                         struct v4l2_tuner *t)
2018 {
2019         struct saa7134_fh *fh = priv;
2020         struct saa7134_dev *dev = fh->dev;
2021         int n;
2022
2023         if (0 != t->index)
2024                 return -EINVAL;
2025         memset(t, 0, sizeof(*t));
2026         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
2027                 if (card_in(dev, n).tv)
2028                         break;
2029         }
2030         if (n == SAA7134_INPUT_MAX)
2031                 return -EINVAL;
2032         if (NULL != card_in(dev, n).name) {
2033                 strcpy(t->name, "Television");
2034                 t->type = V4L2_TUNER_ANALOG_TV;
2035                 t->capability = V4L2_TUNER_CAP_NORM |
2036                         V4L2_TUNER_CAP_STEREO |
2037                         V4L2_TUNER_CAP_LANG1 |
2038                         V4L2_TUNER_CAP_LANG2;
2039                 t->rangehigh = 0xffffffffUL;
2040                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2041                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2042         }
2043         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2044                 t->signal = 0xffff;
2045         return 0;
2046 }
2047
2048 static int saa7134_s_tuner(struct file *file, void *priv,
2049                                         const struct v4l2_tuner *t)
2050 {
2051         struct saa7134_fh *fh = priv;
2052         struct saa7134_dev *dev = fh->dev;
2053         int rx, mode, err;
2054
2055         err = v4l2_prio_check(&dev->prio, fh->prio);
2056         if (0 != err)
2057                 return err;
2058
2059         mode = dev->thread.mode;
2060         if (UNSET == mode) {
2061                 rx   = saa7134_tvaudio_getstereo(dev);
2062                 mode = saa7134_tvaudio_rx2mode(rx);
2063         }
2064         if (mode != t->audmode)
2065                 dev->thread.mode = t->audmode;
2066
2067         return 0;
2068 }
2069
2070 static int saa7134_g_frequency(struct file *file, void *priv,
2071                                         struct v4l2_frequency *f)
2072 {
2073         struct saa7134_fh *fh = priv;
2074         struct saa7134_dev *dev = fh->dev;
2075
2076         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2077         f->frequency = dev->ctl_freq;
2078
2079         return 0;
2080 }
2081
2082 static int saa7134_s_frequency(struct file *file, void *priv,
2083                                         const struct v4l2_frequency *f)
2084 {
2085         struct saa7134_fh *fh = priv;
2086         struct saa7134_dev *dev = fh->dev;
2087         int err;
2088
2089         err = v4l2_prio_check(&dev->prio, fh->prio);
2090         if (0 != err)
2091                 return err;
2092
2093         if (0 != f->tuner)
2094                 return -EINVAL;
2095         if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2096                 return -EINVAL;
2097         if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2098                 return -EINVAL;
2099         mutex_lock(&dev->lock);
2100         dev->ctl_freq = f->frequency;
2101
2102         saa_call_all(dev, tuner, s_frequency, f);
2103
2104         saa7134_tvaudio_do_scan(dev);
2105         mutex_unlock(&dev->lock);
2106         return 0;
2107 }
2108
2109 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2110 {
2111         strcpy(a->name, "audio");
2112         return 0;
2113 }
2114
2115 static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
2116 {
2117         return 0;
2118 }
2119
2120 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2121 {
2122         struct saa7134_fh *fh = f;
2123         struct saa7134_dev *dev = fh->dev;
2124
2125         *p = v4l2_prio_max(&dev->prio);
2126         return 0;
2127 }
2128
2129 static int saa7134_s_priority(struct file *file, void *f,
2130                                         enum v4l2_priority prio)
2131 {
2132         struct saa7134_fh *fh = f;
2133         struct saa7134_dev *dev = fh->dev;
2134
2135         return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2136 }
2137
2138 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
2139                                         struct v4l2_fmtdesc *f)
2140 {
2141         if (f->index >= FORMATS)
2142                 return -EINVAL;
2143
2144         strlcpy(f->description, formats[f->index].name,
2145                 sizeof(f->description));
2146
2147         f->pixelformat = formats[f->index].fourcc;
2148
2149         return 0;
2150 }
2151
2152 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
2153                                         struct v4l2_fmtdesc *f)
2154 {
2155         if (saa7134_no_overlay > 0) {
2156                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2157                 return -EINVAL;
2158         }
2159
2160         if ((f->index >= FORMATS) || formats[f->index].planar)
2161                 return -EINVAL;
2162
2163         strlcpy(f->description, formats[f->index].name,
2164                 sizeof(f->description));
2165
2166         f->pixelformat = formats[f->index].fourcc;
2167
2168         return 0;
2169 }
2170
2171 static int saa7134_g_fbuf(struct file *file, void *f,
2172                                 struct v4l2_framebuffer *fb)
2173 {
2174         struct saa7134_fh *fh = f;
2175         struct saa7134_dev *dev = fh->dev;
2176
2177         *fb = dev->ovbuf;
2178         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2179
2180         return 0;
2181 }
2182
2183 static int saa7134_s_fbuf(struct file *file, void *f,
2184                                         const struct v4l2_framebuffer *fb)
2185 {
2186         struct saa7134_fh *fh = f;
2187         struct saa7134_dev *dev = fh->dev;
2188         struct saa7134_format *fmt;
2189
2190         if (!capable(CAP_SYS_ADMIN) &&
2191            !capable(CAP_SYS_RAWIO))
2192                 return -EPERM;
2193
2194         /* check args */
2195         fmt = format_by_fourcc(fb->fmt.pixelformat);
2196         if (NULL == fmt)
2197                 return -EINVAL;
2198
2199         /* ok, accept it */
2200         dev->ovbuf = *fb;
2201         dev->ovfmt = fmt;
2202         if (0 == dev->ovbuf.fmt.bytesperline)
2203                 dev->ovbuf.fmt.bytesperline =
2204                         dev->ovbuf.fmt.width*fmt->depth/8;
2205         return 0;
2206 }
2207
2208 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2209 {
2210         struct saa7134_fh *fh = f;
2211         struct saa7134_dev *dev = fh->dev;
2212         unsigned long flags;
2213
2214         if (on) {
2215                 if (saa7134_no_overlay > 0) {
2216                         dprintk("no_overlay\n");
2217                         return -EINVAL;
2218                 }
2219
2220                 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2221                         return -EBUSY;
2222                 spin_lock_irqsave(&dev->slock, flags);
2223                 start_preview(dev, fh);
2224                 spin_unlock_irqrestore(&dev->slock, flags);
2225         }
2226         if (!on) {
2227                 if (!res_check(fh, RESOURCE_OVERLAY))
2228                         return -EINVAL;
2229                 spin_lock_irqsave(&dev->slock, flags);
2230                 stop_preview(dev, fh);
2231                 spin_unlock_irqrestore(&dev->slock, flags);
2232                 res_free(dev, fh, RESOURCE_OVERLAY);
2233         }
2234         return 0;
2235 }
2236
2237 static int saa7134_reqbufs(struct file *file, void *priv,
2238                                         struct v4l2_requestbuffers *p)
2239 {
2240         struct saa7134_fh *fh = priv;
2241         return videobuf_reqbufs(saa7134_queue(fh), p);
2242 }
2243
2244 static int saa7134_querybuf(struct file *file, void *priv,
2245                                         struct v4l2_buffer *b)
2246 {
2247         struct saa7134_fh *fh = priv;
2248         return videobuf_querybuf(saa7134_queue(fh), b);
2249 }
2250
2251 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2252 {
2253         struct saa7134_fh *fh = priv;
2254         return videobuf_qbuf(saa7134_queue(fh), b);
2255 }
2256
2257 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2258 {
2259         struct saa7134_fh *fh = priv;
2260         return videobuf_dqbuf(saa7134_queue(fh), b,
2261                                 file->f_flags & O_NONBLOCK);
2262 }
2263
2264 static int saa7134_streamon(struct file *file, void *priv,
2265                                         enum v4l2_buf_type type)
2266 {
2267         struct saa7134_fh *fh = priv;
2268         struct saa7134_dev *dev = fh->dev;
2269         int res = saa7134_resource(fh);
2270
2271         if (!res_get(dev, fh, res))
2272                 return -EBUSY;
2273
2274         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
2275          * configured conservatively, there's 22 usec of buffering for video.
2276          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
2277          * margin in case the FIFO is configured differently to the datasheet.
2278          * Unfortunately, I lack register-level documentation to check the
2279          * Linux FIFO setup and confirm the perfect value.
2280          */
2281         pm_qos_add_request(&fh->qos_request,
2282                            PM_QOS_CPU_DMA_LATENCY,
2283                            20);
2284
2285         return videobuf_streamon(saa7134_queue(fh));
2286 }
2287
2288 static int saa7134_streamoff(struct file *file, void *priv,
2289                                         enum v4l2_buf_type type)
2290 {
2291         int err;
2292         struct saa7134_fh *fh = priv;
2293         struct saa7134_dev *dev = fh->dev;
2294         int res = saa7134_resource(fh);
2295
2296         pm_qos_remove_request(&fh->qos_request);
2297
2298         err = videobuf_streamoff(saa7134_queue(fh));
2299         if (err < 0)
2300                 return err;
2301         res_free(dev, fh, res);
2302         return 0;
2303 }
2304
2305 static int saa7134_g_parm(struct file *file, void *fh,
2306                                 struct v4l2_streamparm *parm)
2307 {
2308         return 0;
2309 }
2310
2311 #ifdef CONFIG_VIDEO_ADV_DEBUG
2312 static int vidioc_g_register (struct file *file, void *priv,
2313                               struct v4l2_dbg_register *reg)
2314 {
2315         struct saa7134_fh *fh = priv;
2316         struct saa7134_dev *dev = fh->dev;
2317
2318         if (!v4l2_chip_match_host(&reg->match))
2319                 return -EINVAL;
2320         reg->val = saa_readb(reg->reg);
2321         reg->size = 1;
2322         return 0;
2323 }
2324
2325 static int vidioc_s_register (struct file *file, void *priv,
2326                                 const struct v4l2_dbg_register *reg)
2327 {
2328         struct saa7134_fh *fh = priv;
2329         struct saa7134_dev *dev = fh->dev;
2330
2331         if (!v4l2_chip_match_host(&reg->match))
2332                 return -EINVAL;
2333         saa_writeb(reg->reg&0xffffff, reg->val);
2334         return 0;
2335 }
2336 #endif
2337
2338 static int radio_g_tuner(struct file *file, void *priv,
2339                                         struct v4l2_tuner *t)
2340 {
2341         struct saa7134_fh *fh = file->private_data;
2342         struct saa7134_dev *dev = fh->dev;
2343
2344         if (0 != t->index)
2345                 return -EINVAL;
2346
2347         memset(t, 0, sizeof(*t));
2348         strcpy(t->name, "Radio");
2349         t->type = V4L2_TUNER_RADIO;
2350
2351         saa_call_all(dev, tuner, g_tuner, t);
2352         t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
2353         if (dev->input->amux == TV) {
2354                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2355                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2356                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2357         }
2358         return 0;
2359 }
2360 static int radio_s_tuner(struct file *file, void *priv,
2361                                         const struct v4l2_tuner *t)
2362 {
2363         struct saa7134_fh *fh = file->private_data;
2364         struct saa7134_dev *dev = fh->dev;
2365
2366         if (0 != t->index)
2367                 return -EINVAL;
2368
2369         saa_call_all(dev, tuner, s_tuner, t);
2370         return 0;
2371 }
2372
2373 static int radio_enum_input(struct file *file, void *priv,
2374                                         struct v4l2_input *i)
2375 {
2376         if (i->index != 0)
2377                 return -EINVAL;
2378
2379         strcpy(i->name, "Radio");
2380         i->type = V4L2_INPUT_TYPE_TUNER;
2381
2382         return 0;
2383 }
2384
2385 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2386 {
2387         *i = 0;
2388         return 0;
2389 }
2390
2391 static int radio_g_audio(struct file *file, void *priv,
2392                                         struct v4l2_audio *a)
2393 {
2394         memset(a, 0, sizeof(*a));
2395         strcpy(a->name, "Radio");
2396         return 0;
2397 }
2398
2399 static int radio_s_audio(struct file *file, void *priv,
2400                                         const struct v4l2_audio *a)
2401 {
2402         return 0;
2403 }
2404
2405 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2406 {
2407         return 0;
2408 }
2409
2410 static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm)
2411 {
2412         return 0;
2413 }
2414
2415 static int radio_queryctrl(struct file *file, void *priv,
2416                                         struct v4l2_queryctrl *c)
2417 {
2418         const struct v4l2_queryctrl *ctrl;
2419
2420         if (c->id <  V4L2_CID_BASE ||
2421             c->id >= V4L2_CID_LASTP1)
2422                 return -EINVAL;
2423         if (c->id == V4L2_CID_AUDIO_MUTE) {
2424                 ctrl = ctrl_by_id(c->id);
2425                 *c = *ctrl;
2426         } else
2427                 *c = no_ctrl;
2428         return 0;
2429 }
2430
2431 static const struct v4l2_file_operations video_fops =
2432 {
2433         .owner    = THIS_MODULE,
2434         .open     = video_open,
2435         .release  = video_release,
2436         .read     = video_read,
2437         .poll     = video_poll,
2438         .mmap     = video_mmap,
2439         .ioctl    = video_ioctl2,
2440 };
2441
2442 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2443         .vidioc_querycap                = saa7134_querycap,
2444         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
2445         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
2446         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
2447         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
2448         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
2449         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
2450         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
2451         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
2452         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
2453         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
2454         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
2455         .vidioc_g_audio                 = saa7134_g_audio,
2456         .vidioc_s_audio                 = saa7134_s_audio,
2457         .vidioc_cropcap                 = saa7134_cropcap,
2458         .vidioc_reqbufs                 = saa7134_reqbufs,
2459         .vidioc_querybuf                = saa7134_querybuf,
2460         .vidioc_qbuf                    = saa7134_qbuf,
2461         .vidioc_dqbuf                   = saa7134_dqbuf,
2462         .vidioc_s_std                   = saa7134_s_std,
2463         .vidioc_g_std                   = saa7134_g_std,
2464         .vidioc_enum_input              = saa7134_enum_input,
2465         .vidioc_g_input                 = saa7134_g_input,
2466         .vidioc_s_input                 = saa7134_s_input,
2467         .vidioc_queryctrl               = saa7134_queryctrl,
2468         .vidioc_g_ctrl                  = saa7134_g_ctrl,
2469         .vidioc_s_ctrl                  = saa7134_s_ctrl,
2470         .vidioc_streamon                = saa7134_streamon,
2471         .vidioc_streamoff               = saa7134_streamoff,
2472         .vidioc_g_tuner                 = saa7134_g_tuner,
2473         .vidioc_s_tuner                 = saa7134_s_tuner,
2474         .vidioc_g_crop                  = saa7134_g_crop,
2475         .vidioc_s_crop                  = saa7134_s_crop,
2476         .vidioc_g_fbuf                  = saa7134_g_fbuf,
2477         .vidioc_s_fbuf                  = saa7134_s_fbuf,
2478         .vidioc_overlay                 = saa7134_overlay,
2479         .vidioc_g_priority              = saa7134_g_priority,
2480         .vidioc_s_priority              = saa7134_s_priority,
2481         .vidioc_g_parm                  = saa7134_g_parm,
2482         .vidioc_g_frequency             = saa7134_g_frequency,
2483         .vidioc_s_frequency             = saa7134_s_frequency,
2484 #ifdef CONFIG_VIDEO_ADV_DEBUG
2485         .vidioc_g_register              = vidioc_g_register,
2486         .vidioc_s_register              = vidioc_s_register,
2487 #endif
2488 };
2489
2490 static const struct v4l2_file_operations radio_fops = {
2491         .owner    = THIS_MODULE,
2492         .open     = video_open,
2493         .read     = radio_read,
2494         .release  = video_release,
2495         .ioctl    = video_ioctl2,
2496         .poll     = radio_poll,
2497 };
2498
2499 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2500         .vidioc_querycap        = saa7134_querycap,
2501         .vidioc_g_tuner         = radio_g_tuner,
2502         .vidioc_enum_input      = radio_enum_input,
2503         .vidioc_g_audio         = radio_g_audio,
2504         .vidioc_s_tuner         = radio_s_tuner,
2505         .vidioc_s_audio         = radio_s_audio,
2506         .vidioc_s_input         = radio_s_input,
2507         .vidioc_s_std           = radio_s_std,
2508         .vidioc_queryctrl       = radio_queryctrl,
2509         .vidioc_g_input         = radio_g_input,
2510         .vidioc_g_ctrl          = saa7134_g_ctrl,
2511         .vidioc_s_ctrl          = saa7134_s_ctrl,
2512         .vidioc_g_frequency     = saa7134_g_frequency,
2513         .vidioc_s_frequency     = saa7134_s_frequency,
2514 };
2515
2516 /* ----------------------------------------------------------- */
2517 /* exported stuff                                              */
2518
2519 struct video_device saa7134_video_template = {
2520         .name                           = "saa7134-video",
2521         .fops                           = &video_fops,
2522         .ioctl_ops                      = &video_ioctl_ops,
2523         .tvnorms                        = SAA7134_NORMS,
2524         .current_norm                   = V4L2_STD_PAL,
2525 };
2526
2527 struct video_device saa7134_radio_template = {
2528         .name                   = "saa7134-radio",
2529         .fops                   = &radio_fops,
2530         .ioctl_ops              = &radio_ioctl_ops,
2531 };
2532
2533 int saa7134_video_init1(struct saa7134_dev *dev)
2534 {
2535         /* sanitycheck insmod options */
2536         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2537                 gbuffers = 2;
2538         if (gbufsize > gbufsize_max)
2539                 gbufsize = gbufsize_max;
2540         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2541
2542         /* put some sensible defaults into the data structures ... */
2543         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2544         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2545         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2546         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2547         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2548         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2549         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2550         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2551
2552         if (dev->tda9887_conf && dev->ctl_automute)
2553                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2554         dev->automute       = 0;
2555
2556         INIT_LIST_HEAD(&dev->video_q.queue);
2557         init_timer(&dev->video_q.timeout);
2558         dev->video_q.timeout.function = saa7134_buffer_timeout;
2559         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2560         dev->video_q.dev              = dev;
2561
2562         if (saa7134_boards[dev->board].video_out)
2563                 saa7134_videoport_init(dev);
2564
2565         return 0;
2566 }
2567
2568 int saa7134_videoport_init(struct saa7134_dev *dev)
2569 {
2570         /* enable video output */
2571         int vo = saa7134_boards[dev->board].video_out;
2572         int video_reg;
2573         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2574
2575         /* Configure videoport */
2576         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2577         video_reg = video_out[vo][1];
2578         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2579                 video_reg &= ~VP_T_CODE_P_INVERTED;
2580         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2581         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2582         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2583         video_reg = video_out[vo][5];
2584         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2585                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2586         if (vid_port_opts & SET_CLOCK_INVERTED)
2587                 video_reg |= VP_CLK_CTRL1_INVERTED;
2588         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2589         video_reg = video_out[vo][6];
2590         if (vid_port_opts & SET_VSYNC_OFF) {
2591                 video_reg &= ~VP_VS_TYPE_MASK;
2592                 video_reg |= VP_VS_TYPE_OFF;
2593         }
2594         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2595         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2596         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2597
2598         /* Start videoport */
2599         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2600
2601         return 0;
2602 }
2603
2604 int saa7134_video_init2(struct saa7134_dev *dev)
2605 {
2606         /* init video hw */
2607         set_tvnorm(dev,&tvnorms[0]);
2608         video_mux(dev,0);
2609         saa7134_tvaudio_setmute(dev);
2610         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2611         return 0;
2612 }
2613
2614 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2615 {
2616         static const char *st[] = {
2617                 "(no signal)", "NTSC", "PAL", "SECAM" };
2618         u32 st1,st2;
2619
2620         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2621         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2622         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2623                 (st1 & 0x40) ? "not locked" : "locked",
2624                 (st2 & 0x40) ? "no"         : "yes",
2625                 st[st1 & 0x03]);
2626         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2627
2628         if (dev->nosignal) {
2629                 /* no video signal -> mute audio */
2630                 if (dev->ctl_automute)
2631                         dev->automute = 1;
2632                 saa7134_tvaudio_setmute(dev);
2633         } else {
2634                 /* wake up tvaudio audio carrier scan thread */
2635                 saa7134_tvaudio_do_scan(dev);
2636         }
2637
2638         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2639                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2640         else
2641                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2642
2643         if (dev->mops && dev->mops->signal_change)
2644                 dev->mops->signal_change(dev);
2645 }
2646
2647
2648 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2649 {
2650         enum v4l2_field field;
2651
2652         spin_lock(&dev->slock);
2653         if (dev->video_q.curr) {
2654                 dev->video_fieldcount++;
2655                 field = dev->video_q.curr->vb.field;
2656                 if (V4L2_FIELD_HAS_BOTH(field)) {
2657                         /* make sure we have seen both fields */
2658                         if ((status & 0x10) == 0x00) {
2659                                 dev->video_q.curr->top_seen = 1;
2660                                 goto done;
2661                         }
2662                         if (!dev->video_q.curr->top_seen)
2663                                 goto done;
2664                 } else if (field == V4L2_FIELD_TOP) {
2665                         if ((status & 0x10) != 0x10)
2666                                 goto done;
2667                 } else if (field == V4L2_FIELD_BOTTOM) {
2668                         if ((status & 0x10) != 0x00)
2669                                 goto done;
2670                 }
2671                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2672                 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2673         }
2674         saa7134_buffer_next(dev,&dev->video_q);
2675
2676  done:
2677         spin_unlock(&dev->slock);
2678 }
2679
2680 /* ----------------------------------------------------------- */
2681 /*
2682  * Local variables:
2683  * c-basic-offset: 8
2684  * End:
2685  */