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

   1 /*
   2  *
   3  * device driver for philips saa7134 based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/moduleparam.h>
  27 #include <linux/kernel.h>
  28 #include <linux/slab.h>
  29
  30 #include "saa7134-reg.h"
  31 #include "saa7134.h"
  32 #include <media/v4l2-common.h>
  33
  34 /* Include V4L1 specific functions. Should be removed soon */
  35 #include <linux/videodev.h>
  36
  37 /* ------------------------------------------------------------------ */
  38
  39 static unsigned int video_debug   = 0;
  40 static unsigned int gbuffers      = 8;
  41 static unsigned int noninterlaced = 0;
  42 static unsigned int gbufsize      = 720*576*4;
  43 static unsigned int gbufsize_max  = 720*576*4;
  44 module_param(video_debug, int, 0644);
  45 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  46 module_param(gbuffers, int, 0444);
  47 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  48 module_param(noninterlaced, int, 0644);
  49 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
  50
  51 #define dprintk(fmt, arg...)    if (video_debug) \
  52         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  53
  54 /* ------------------------------------------------------------------ */
  55 /* Defines for Video Output Port Register at address 0x191            */
  56
  57 /* Bit 0: VIP code T bit polarity */
  58
  59 #define VP_T_CODE_P_NON_INVERTED        0x00
  60 #define VP_T_CODE_P_INVERTED            0x01
  61
  62 /* ------------------------------------------------------------------ */
  63 /* Defines for Video Output Port Register at address 0x195            */
  64
  65 /* Bit 2: Video output clock delay control */
  66
  67 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
  68 #define VP_CLK_CTRL2_DELAYED            0x04
  69
  70 /* Bit 1: Video output clock invert control */
  71
  72 #define VP_CLK_CTRL1_NON_INVERTED       0x00
  73 #define VP_CLK_CTRL1_INVERTED           0x02
  74
  75 /* ------------------------------------------------------------------ */
  76 /* Defines for Video Output Port Register at address 0x196            */
  77
  78 /* Bits 2 to 0: VSYNC pin video vertical sync type */
  79
  80 #define VP_VS_TYPE_MASK                 0x07
  81
  82 #define VP_VS_TYPE_OFF                  0x00
  83 #define VP_VS_TYPE_V123                 0x01
  84 #define VP_VS_TYPE_V_ITU                0x02
  85 #define VP_VS_TYPE_VGATE_L              0x03
  86 #define VP_VS_TYPE_RESERVED1            0x04
  87 #define VP_VS_TYPE_RESERVED2            0x05
  88 #define VP_VS_TYPE_F_ITU                0x06
  89 #define VP_VS_TYPE_SC_FID               0x07
  90
  91 /* ------------------------------------------------------------------ */
  92 /* data structs for video                                             */
  93
  94 static int video_out[][9] = {
  95         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
  96 };
  97
  98 static struct saa7134_format formats[] = {
  99         {
 100                 .name     = "8 bpp gray",
 101                 .fourcc   = V4L2_PIX_FMT_GREY,
 102                 .depth    = 8,
 103                 .pm       = 0x06,
 104         },{
 105                 .name     = "15 bpp RGB, le",
 106                 .fourcc   = V4L2_PIX_FMT_RGB555,
 107                 .depth    = 16,
 108                 .pm       = 0x13 | 0x80,
 109         },{
 110                 .name     = "15 bpp RGB, be",
 111                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 112                 .depth    = 16,
 113                 .pm       = 0x13 | 0x80,
 114                 .bswap    = 1,
 115         },{
 116                 .name     = "16 bpp RGB, le",
 117                 .fourcc   = V4L2_PIX_FMT_RGB565,
 118                 .depth    = 16,
 119                 .pm       = 0x10 | 0x80,
 120         },{
 121                 .name     = "16 bpp RGB, be",
 122                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 123                 .depth    = 16,
 124                 .pm       = 0x10 | 0x80,
 125                 .bswap    = 1,
 126         },{
 127                 .name     = "24 bpp RGB, le",
 128                 .fourcc   = V4L2_PIX_FMT_BGR24,
 129                 .depth    = 24,
 130                 .pm       = 0x11,
 131         },{
 132                 .name     = "24 bpp RGB, be",
 133                 .fourcc   = V4L2_PIX_FMT_RGB24,
 134                 .depth    = 24,
 135                 .pm       = 0x11,
 136                 .bswap    = 1,
 137         },{
 138                 .name     = "32 bpp RGB, le",
 139                 .fourcc   = V4L2_PIX_FMT_BGR32,
 140                 .depth    = 32,
 141                 .pm       = 0x12,
 142         },{
 143                 .name     = "32 bpp RGB, be",
 144                 .fourcc   = V4L2_PIX_FMT_RGB32,
 145                 .depth    = 32,
 146                 .pm       = 0x12,
 147                 .bswap    = 1,
 148                 .wswap    = 1,
 149         },{
 150                 .name     = "4:2:2 packed, YUYV",
 151                 .fourcc   = V4L2_PIX_FMT_YUYV,
 152                 .depth    = 16,
 153                 .pm       = 0x00,
 154                 .bswap    = 1,
 155                 .yuv      = 1,
 156         },{
 157                 .name     = "4:2:2 packed, UYVY",
 158                 .fourcc   = V4L2_PIX_FMT_UYVY,
 159                 .depth    = 16,
 160                 .pm       = 0x00,
 161                 .yuv      = 1,
 162         },{
 163                 .name     = "4:2:2 planar, Y-Cb-Cr",
 164                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 165                 .depth    = 16,
 166                 .pm       = 0x09,
 167                 .yuv      = 1,
 168                 .planar   = 1,
 169                 .hshift   = 1,
 170                 .vshift   = 0,
 171         },{
 172                 .name     = "4:2:0 planar, Y-Cb-Cr",
 173                 .fourcc   = V4L2_PIX_FMT_YUV420,
 174                 .depth    = 12,
 175                 .pm       = 0x0a,
 176                 .yuv      = 1,
 177                 .planar   = 1,
 178                 .hshift   = 1,
 179                 .vshift   = 1,
 180         },{
 181                 .name     = "4:2:0 planar, Y-Cb-Cr",
 182                 .fourcc   = V4L2_PIX_FMT_YVU420,
 183                 .depth    = 12,
 184                 .pm       = 0x0a,
 185                 .yuv      = 1,
 186                 .planar   = 1,
 187                 .uvswap   = 1,
 188                 .hshift   = 1,
 189                 .vshift   = 1,
 190         }
 191 };
 192 #define FORMATS ARRAY_SIZE(formats)
 193
 194 #define NORM_625_50                     \
 195                 .h_start       = 0,     \
 196                 .h_stop        = 719,   \
 197                 .video_v_start = 24,    \
 198                 .video_v_stop  = 311,   \
 199                 .vbi_v_start_0 = 7,     \
 200                 .vbi_v_stop_0  = 22,    \
 201                 .vbi_v_start_1 = 319,   \
 202                 .src_timing    = 4
 203
 204 #define NORM_525_60                     \
 205                 .h_start       = 0,     \
 206                 .h_stop        = 703,   \
 207                 .video_v_start = 23,    \
 208                 .video_v_stop  = 262,   \
 209                 .vbi_v_start_0 = 10,    \
 210                 .vbi_v_stop_0  = 21,    \
 211                 .vbi_v_start_1 = 273,   \
 212                 .src_timing    = 7
 213
 214 static struct saa7134_tvnorm tvnorms[] = {
 215         {
 216                 .name          = "PAL", /* autodetect */
 217                 .id            = V4L2_STD_PAL,
 218                 NORM_625_50,
 219
 220                 .sync_control  = 0x18,
 221                 .luma_control  = 0x40,
 222                 .chroma_ctrl1  = 0x81,
 223                 .chroma_gain   = 0x2a,
 224                 .chroma_ctrl2  = 0x06,
 225                 .vgate_misc    = 0x1c,
 226
 227         },{
 228                 .name          = "PAL-BG",
 229                 .id            = V4L2_STD_PAL_BG,
 230                 NORM_625_50,
 231
 232                 .sync_control  = 0x18,
 233                 .luma_control  = 0x40,
 234                 .chroma_ctrl1  = 0x81,
 235                 .chroma_gain   = 0x2a,
 236                 .chroma_ctrl2  = 0x06,
 237                 .vgate_misc    = 0x1c,
 238
 239         },{
 240                 .name          = "PAL-I",
 241                 .id            = V4L2_STD_PAL_I,
 242                 NORM_625_50,
 243
 244                 .sync_control  = 0x18,
 245                 .luma_control  = 0x40,
 246                 .chroma_ctrl1  = 0x81,
 247                 .chroma_gain   = 0x2a,
 248                 .chroma_ctrl2  = 0x06,
 249                 .vgate_misc    = 0x1c,
 250
 251         },{
 252                 .name          = "PAL-DK",
 253                 .id            = V4L2_STD_PAL_DK,
 254                 NORM_625_50,
 255
 256                 .sync_control  = 0x18,
 257                 .luma_control  = 0x40,
 258                 .chroma_ctrl1  = 0x81,
 259                 .chroma_gain   = 0x2a,
 260                 .chroma_ctrl2  = 0x06,
 261                 .vgate_misc    = 0x1c,
 262
 263         },{
 264                 .name          = "NTSC",
 265                 .id            = V4L2_STD_NTSC,
 266                 NORM_525_60,
 267
 268                 .sync_control  = 0x59,
 269                 .luma_control  = 0x40,
 270                 .chroma_ctrl1  = 0x89,
 271                 .chroma_gain   = 0x2a,
 272                 .chroma_ctrl2  = 0x0e,
 273                 .vgate_misc    = 0x18,
 274
 275         },{
 276                 .name          = "SECAM",
 277                 .id            = V4L2_STD_SECAM,
 278                 NORM_625_50,
 279
 280                 .sync_control  = 0x18, /* old: 0x58, */
 281                 .luma_control  = 0x1b,
 282                 .chroma_ctrl1  = 0xd1,
 283                 .chroma_gain   = 0x80,
 284                 .chroma_ctrl2  = 0x00,
 285                 .vgate_misc    = 0x1c,
 286
 287         },{
 288                 .name          = "PAL-M",
 289                 .id            = V4L2_STD_PAL_M,
 290                 NORM_525_60,
 291
 292                 .sync_control  = 0x59,
 293                 .luma_control  = 0x40,
 294                 .chroma_ctrl1  = 0xb9,
 295                 .chroma_gain   = 0x2a,
 296                 .chroma_ctrl2  = 0x0e,
 297                 .vgate_misc    = 0x18,
 298
 299         },{
 300                 .name          = "PAL-Nc",
 301                 .id            = V4L2_STD_PAL_Nc,
 302                 NORM_625_50,
 303
 304                 .sync_control  = 0x18,
 305                 .luma_control  = 0x40,
 306                 .chroma_ctrl1  = 0xa1,
 307                 .chroma_gain   = 0x2a,
 308                 .chroma_ctrl2  = 0x06,
 309                 .vgate_misc    = 0x1c,
 310
 311         },{
 312                 .name          = "PAL-60",
 313                 .id            = V4L2_STD_PAL_60,
 314
 315                 .h_start       = 0,
 316                 .h_stop        = 719,
 317                 .video_v_start = 23,
 318                 .video_v_stop  = 262,
 319                 .vbi_v_start_0 = 10,
 320                 .vbi_v_stop_0  = 21,
 321                 .vbi_v_start_1 = 273,
 322                 .src_timing    = 7,
 323
 324                 .sync_control  = 0x18,
 325                 .luma_control  = 0x40,
 326                 .chroma_ctrl1  = 0x81,
 327                 .chroma_gain   = 0x2a,
 328                 .chroma_ctrl2  = 0x06,
 329                 .vgate_misc    = 0x1c,
 330         }
 331 };
 332 #define TVNORMS ARRAY_SIZE(tvnorms)
 333
 334 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 335 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 336 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 337 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 338 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 339
 340 static const struct v4l2_queryctrl no_ctrl = {
 341         .name  = "42",
 342         .flags = V4L2_CTRL_FLAG_DISABLED,
 343 };
 344 static const struct v4l2_queryctrl video_ctrls[] = {
 345         /* --- video --- */
 346         {
 347                 .id            = V4L2_CID_BRIGHTNESS,
 348                 .name          = "Brightness",
 349                 .minimum       = 0,
 350                 .maximum       = 255,
 351                 .step          = 1,
 352                 .default_value = 128,
 353                 .type          = V4L2_CTRL_TYPE_INTEGER,
 354         },{
 355                 .id            = V4L2_CID_CONTRAST,
 356                 .name          = "Contrast",
 357                 .minimum       = 0,
 358                 .maximum       = 127,
 359                 .step          = 1,
 360                 .default_value = 68,
 361                 .type          = V4L2_CTRL_TYPE_INTEGER,
 362         },{
 363                 .id            = V4L2_CID_SATURATION,
 364                 .name          = "Saturation",
 365                 .minimum       = 0,
 366                 .maximum       = 127,
 367                 .step          = 1,
 368                 .default_value = 64,
 369                 .type          = V4L2_CTRL_TYPE_INTEGER,
 370         },{
 371                 .id            = V4L2_CID_HUE,
 372                 .name          = "Hue",
 373                 .minimum       = -128,
 374                 .maximum       = 127,
 375                 .step          = 1,
 376                 .default_value = 0,
 377                 .type          = V4L2_CTRL_TYPE_INTEGER,
 378         },{
 379                 .id            = V4L2_CID_HFLIP,
 380                 .name          = "Mirror",
 381                 .minimum       = 0,
 382                 .maximum       = 1,
 383                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 384         },
 385         /* --- audio --- */
 386         {
 387                 .id            = V4L2_CID_AUDIO_MUTE,
 388                 .name          = "Mute",
 389                 .minimum       = 0,
 390                 .maximum       = 1,
 391                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 392         },{
 393                 .id            = V4L2_CID_AUDIO_VOLUME,
 394                 .name          = "Volume",
 395                 .minimum       = -15,
 396                 .maximum       = 15,
 397                 .step          = 1,
 398                 .default_value = 0,
 399                 .type          = V4L2_CTRL_TYPE_INTEGER,
 400         },
 401         /* --- private --- */
 402         {
 403                 .id            = V4L2_CID_PRIVATE_INVERT,
 404                 .name          = "Invert",
 405                 .minimum       = 0,
 406                 .maximum       = 1,
 407                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 408         },{
 409                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 410                 .name          = "y offset odd field",
 411                 .minimum       = 0,
 412                 .maximum       = 128,
 413                 .default_value = 0,
 414                 .type          = V4L2_CTRL_TYPE_INTEGER,
 415         },{
 416                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 417                 .name          = "y offset even field",
 418                 .minimum       = 0,
 419                 .maximum       = 128,
 420                 .default_value = 0,
 421                 .type          = V4L2_CTRL_TYPE_INTEGER,
 422         },{
 423                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 424                 .name          = "automute",
 425                 .minimum       = 0,
 426                 .maximum       = 1,
 427                 .default_value = 1,
 428                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 429         }
 430 };
 431 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 432
 433 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 434 {
 435         unsigned int i;
 436
 437         for (i = 0; i < CTRLS; i++)
 438                 if (video_ctrls[i].id == id)
 439                         return video_ctrls+i;
 440         return NULL;
 441 }
 442
 443 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 444 {
 445         unsigned int i;
 446
 447         for (i = 0; i < FORMATS; i++)
 448                 if (formats[i].fourcc == fourcc)
 449                         return formats+i;
 450         return NULL;
 451 }
 452
 453 /* ----------------------------------------------------------------------- */
 454 /* resource management                                                     */
 455
 456 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 457 {
 458         if (fh->resources & bit)
 459                 /* have it already allocated */
 460                 return 1;
 461
 462         /* is it free? */
 463         mutex_lock(&dev->lock);
 464         if (dev->resources & bit) {
 465                 /* no, someone else uses it */
 466                 mutex_unlock(&dev->lock);
 467                 return 0;
 468         }
 469         /* it's free, grab it */
 470         fh->resources  |= bit;
 471         dev->resources |= bit;
 472         dprintk("res: get %d\n",bit);
 473         mutex_unlock(&dev->lock);
 474         return 1;
 475 }
 476
 477 static
 478 int res_check(struct saa7134_fh *fh, unsigned int bit)
 479 {
 480         return (fh->resources & bit);
 481 }
 482
 483 static
 484 int res_locked(struct saa7134_dev *dev, unsigned int bit)
 485 {
 486         return (dev->resources & bit);
 487 }
 488
 489 static
 490 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 491 {
 492         if ((fh->resources & bits) != bits)
 493                 BUG();
 494
 495         mutex_lock(&dev->lock);
 496         fh->resources  &= ~bits;
 497         dev->resources &= ~bits;
 498         dprintk("res: put %d\n",bits);
 499         mutex_unlock(&dev->lock);
 500 }
 501
 502 /* ------------------------------------------------------------------ */
 503
 504 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 505 {
 506         int luma_control,sync_control,mux;
 507
 508         dprintk("set tv norm = %s\n",norm->name);
 509         dev->tvnorm = norm;
 510
 511         mux = card_in(dev,dev->ctl_input).vmux;
 512         luma_control = norm->luma_control;
 513         sync_control = norm->sync_control;
 514
 515         if (mux > 5)
 516                 luma_control |= 0x80; /* svideo */
 517         if (noninterlaced || dev->nosignal)
 518                 sync_control |= 0x20;
 519
 520         /* setup cropping */
 521         dev->crop_bounds.left    = norm->h_start;
 522         dev->crop_defrect.left   = norm->h_start;
 523         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 524         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 525
 526         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 527         dev->crop_defrect.top    = norm->video_v_start*2;
 528         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 529                 - dev->crop_bounds.top;
 530         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 531
 532         dev->crop_current = dev->crop_defrect;
 533
 534         /* setup video decoder */
 535         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 536         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 537         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 538
 539         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 540         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 541         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 542         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 543         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 544
 545         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 546         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 547         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 548         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,     dev->ctl_contrast);
 549
 550         saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
 551         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 552         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 553         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 554
 555         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 556         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 557
 558         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 559         saa_writeb(SAA7134_VGATE_START,           0x11);
 560         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 561         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 562         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 563         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 564
 565         saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
 566 }
 567
 568 static void video_mux(struct saa7134_dev *dev, int input)
 569 {
 570         dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
 571         dev->ctl_input = input;
 572         set_tvnorm(dev,dev->tvnorm);
 573         saa7134_tvaudio_setinput(dev,&card_in(dev,input));
 574 }
 575
 576 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 577 {
 578         static const struct {
 579                 int xpsc;
 580                 int xacl;
 581                 int xc2_1;
 582                 int xdcg;
 583                 int vpfy;
 584         } vals[] = {
 585                 /* XPSC XACL XC2_1 XDCG VPFY */
 586                 {    1,   0,    0,    0,   0 },
 587                 {    2,   2,    1,    2,   2 },
 588                 {    3,   4,    1,    3,   2 },
 589                 {    4,   8,    1,    4,   2 },
 590                 {    5,   8,    1,    4,   2 },
 591                 {    6,   8,    1,    4,   3 },
 592                 {    7,   8,    1,    4,   3 },
 593                 {    8,  15,    0,    4,   3 },
 594                 {    9,  15,    0,    4,   3 },
 595                 {   10,  16,    1,    5,   3 },
 596         };
 597         static const int count = ARRAY_SIZE(vals);
 598         int i;
 599
 600         for (i = 0; i < count; i++)
 601                 if (vals[i].xpsc == prescale)
 602                         break;
 603         if (i == count)
 604                 return;
 605
 606         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 607         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 608         saa_writeb(SAA7134_LEVEL_CTRL(task),
 609                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 610         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 611                    (vals[i].vpfy << 2) | vals[i].vpfy);
 612 }
 613
 614 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 615 {
 616         int val,mirror;
 617
 618         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 619         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 620
 621         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 622         if (yscale < 2048) {
 623                 /* LPI */
 624                 dprintk("yscale LPI yscale=%d\n",yscale);
 625                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 626                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 627                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 628         } else {
 629                 /* ACM */
 630                 val = 0x40 * 1024 / yscale;
 631                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 632                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 633                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 634                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 635         }
 636         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 637 }
 638
 639 static void set_size(struct saa7134_dev *dev, int task,
 640                      int width, int height, int interlace)
 641 {
 642         int prescale,xscale,yscale,y_even,y_odd;
 643         int h_start, h_stop, v_start, v_stop;
 644         int div = interlace ? 2 : 1;
 645
 646         /* setup video scaler */
 647         h_start = dev->crop_current.left;
 648         v_start = dev->crop_current.top/2;
 649         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 650         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 651
 652         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 653         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 654         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 655         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 656         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 657         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 658         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 659         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 660
 661         prescale = dev->crop_current.width / width;
 662         if (0 == prescale)
 663                 prescale = 1;
 664         xscale = 1024 * dev->crop_current.width / prescale / width;
 665         yscale = 512 * div * dev->crop_current.height / height;
 666         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 667         set_h_prescale(dev,task,prescale);
 668         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 669         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 670         set_v_scale(dev,task,yscale);
 671
 672         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 673         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 674         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 675         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 676
 677         /* deinterlace y offsets */
 678         y_odd  = dev->ctl_y_odd;
 679         y_even = dev->ctl_y_even;
 680         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 681         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 682         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 683         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 684 }
 685
 686 /* ------------------------------------------------------------------ */
 687
 688 struct cliplist {
 689         __u16 position;
 690         __u8  enable;
 691         __u8  disable;
 692 };
 693
 694 static void sort_cliplist(struct cliplist *cl, int entries)
 695 {
 696         struct cliplist swap;
 697         int i,j,n;
 698
 699         for (i = entries-2; i >= 0; i--) {
 700                 for (n = 0, j = 0; j <= i; j++) {
 701                         if (cl[j].position > cl[j+1].position) {
 702                                 swap = cl[j];
 703                                 cl[j] = cl[j+1];
 704                                 cl[j+1] = swap;
 705                                 n++;
 706                         }
 707                 }
 708                 if (0 == n)
 709                         break;
 710         }
 711 }
 712
 713 static void set_cliplist(struct saa7134_dev *dev, int reg,
 714                         struct cliplist *cl, int entries, char *name)
 715 {
 716         __u8 winbits = 0;
 717         int i;
 718
 719         for (i = 0; i < entries; i++) {
 720                 winbits |= cl[i].enable;
 721                 winbits &= ~cl[i].disable;
 722                 if (i < 15 && cl[i].position == cl[i+1].position)
 723                         continue;
 724                 saa_writeb(reg + 0, winbits);
 725                 saa_writeb(reg + 2, cl[i].position & 0xff);
 726                 saa_writeb(reg + 3, cl[i].position >> 8);
 727                 dprintk("clip: %s winbits=%02x pos=%d\n",
 728                         name,winbits,cl[i].position);
 729                 reg += 8;
 730         }
 731         for (; reg < 0x400; reg += 8) {
 732                 saa_writeb(reg+ 0, 0);
 733                 saa_writeb(reg + 1, 0);
 734                 saa_writeb(reg + 2, 0);
 735                 saa_writeb(reg + 3, 0);
 736         }
 737 }
 738
 739 static int clip_range(int val)
 740 {
 741         if (val < 0)
 742                 val = 0;
 743         return val;
 744 }
 745
 746 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 747                           int nclips, int interlace)
 748 {
 749         struct cliplist col[16], row[16];
 750         int cols, rows, i;
 751         int div = interlace ? 2 : 1;
 752
 753         memset(col,0,sizeof(col)); cols = 0;
 754         memset(row,0,sizeof(row)); rows = 0;
 755         for (i = 0; i < nclips && i < 8; i++) {
 756                 col[cols].position = clip_range(clips[i].c.left);
 757                 col[cols].enable   = (1 << i);
 758                 cols++;
 759                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 760                 col[cols].disable  = (1 << i);
 761                 cols++;
 762                 row[rows].position = clip_range(clips[i].c.top / div);
 763                 row[rows].enable   = (1 << i);
 764                 rows++;
 765                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 766                                                 / div);
 767                 row[rows].disable  = (1 << i);
 768                 rows++;
 769         }
 770         sort_cliplist(col,cols);
 771         sort_cliplist(row,rows);
 772         set_cliplist(dev,0x380,col,cols,"cols");
 773         set_cliplist(dev,0x384,row,rows,"rows");
 774         return 0;
 775 }
 776
 777 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 778 {
 779         enum v4l2_field field;
 780         int maxw, maxh;
 781
 782         if (NULL == dev->ovbuf.base)
 783                 return -EINVAL;
 784         if (NULL == dev->ovfmt)
 785                 return -EINVAL;
 786         if (win->w.width < 48 || win->w.height <  32)
 787                 return -EINVAL;
 788         if (win->clipcount > 2048)
 789                 return -EINVAL;
 790
 791         field = win->field;
 792         maxw  = dev->crop_current.width;
 793         maxh  = dev->crop_current.height;
 794
 795         if (V4L2_FIELD_ANY == field) {
 796                 field = (win->w.height > maxh/2)
 797                         ? V4L2_FIELD_INTERLACED
 798                         : V4L2_FIELD_TOP;
 799         }
 800         switch (field) {
 801         case V4L2_FIELD_TOP:
 802         case V4L2_FIELD_BOTTOM:
 803                 maxh = maxh / 2;
 804                 break;
 805         case V4L2_FIELD_INTERLACED:
 806                 break;
 807         default:
 808                 return -EINVAL;
 809         }
 810
 811         win->field = field;
 812         if (win->w.width > maxw)
 813                 win->w.width = maxw;
 814         if (win->w.height > maxh)
 815                 win->w.height = maxh;
 816         return 0;
 817 }
 818
 819 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 820 {
 821         unsigned long base,control,bpl;
 822         int err;
 823
 824         err = verify_preview(dev,&fh->win);
 825         if (0 != err)
 826                 return err;
 827
 828         dev->ovfield = fh->win.field;
 829         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 830                 fh->win.w.width,fh->win.w.height,
 831                 fh->win.w.left,fh->win.w.top,
 832                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 833
 834         /* setup window + clipping */
 835         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 836                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 837         setup_clipping(dev,fh->clips,fh->nclips,
 838                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 839         if (dev->ovfmt->yuv)
 840                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 841         else
 842                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 843         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 844
 845         /* dma: setup channel 1 (= Video Task B) */
 846         base  = (unsigned long)dev->ovbuf.base;
 847         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 848         base += dev->ovfmt->depth/8         * fh->win.w.left;
 849         bpl   = dev->ovbuf.fmt.bytesperline;
 850         control = SAA7134_RS_CONTROL_BURST_16;
 851         if (dev->ovfmt->bswap)
 852                 control |= SAA7134_RS_CONTROL_BSWAP;
 853         if (dev->ovfmt->wswap)
 854                 control |= SAA7134_RS_CONTROL_WSWAP;
 855         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 856                 saa_writel(SAA7134_RS_BA1(1),base);
 857                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 858                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 859                 saa_writel(SAA7134_RS_CONTROL(1),control);
 860         } else {
 861                 saa_writel(SAA7134_RS_BA1(1),base);
 862                 saa_writel(SAA7134_RS_BA2(1),base);
 863                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 864                 saa_writel(SAA7134_RS_CONTROL(1),control);
 865         }
 866
 867         /* start dma */
 868         dev->ovenable = 1;
 869         saa7134_set_dmabits(dev);
 870
 871         return 0;
 872 }
 873
 874 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 875 {
 876         dev->ovenable = 0;
 877         saa7134_set_dmabits(dev);
 878         return 0;
 879 }
 880
 881 /* ------------------------------------------------------------------ */
 882
 883 static int buffer_activate(struct saa7134_dev *dev,
 884                            struct saa7134_buf *buf,
 885                            struct saa7134_buf *next)
 886 {
 887         unsigned long base,control,bpl;
 888         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 889
 890         dprintk("buffer_activate buf=%p\n",buf);
 891         buf->vb.state = STATE_ACTIVE;
 892         buf->top_seen = 0;
 893
 894         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 895                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 896         if (buf->fmt->yuv)
 897                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 898         else
 899                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 900         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 901
 902         /* DMA: setup channel 0 (= Video Task A0) */
 903         base  = saa7134_buffer_base(buf);
 904         if (buf->fmt->planar)
 905                 bpl = buf->vb.width;
 906         else
 907                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 908         control = SAA7134_RS_CONTROL_BURST_16 |
 909                 SAA7134_RS_CONTROL_ME |
 910                 (buf->pt->dma >> 12);
 911         if (buf->fmt->bswap)
 912                 control |= SAA7134_RS_CONTROL_BSWAP;
 913         if (buf->fmt->wswap)
 914                 control |= SAA7134_RS_CONTROL_WSWAP;
 915         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 916                 /* interlaced */
 917                 saa_writel(SAA7134_RS_BA1(0),base);
 918                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 919                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 920         } else {
 921                 /* non-interlaced */
 922                 saa_writel(SAA7134_RS_BA1(0),base);
 923                 saa_writel(SAA7134_RS_BA2(0),base);
 924                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 925         }
 926         saa_writel(SAA7134_RS_CONTROL(0),control);
 927
 928         if (buf->fmt->planar) {
 929                 /* DMA: setup channel 4+5 (= planar task A) */
 930                 bpl_uv   = bpl >> buf->fmt->hshift;
 931                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 932                 base2    = base + bpl * buf->vb.height;
 933                 base3    = base2 + bpl_uv * lines_uv;
 934                 if (buf->fmt->uvswap)
 935                         tmp = base2, base2 = base3, base3 = tmp;
 936                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 937                         bpl_uv,lines_uv,base2,base3);
 938                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 939                         /* interlaced */
 940                         saa_writel(SAA7134_RS_BA1(4),base2);
 941                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 942                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 943                         saa_writel(SAA7134_RS_BA1(5),base3);
 944                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 945                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 946                 } else {
 947                         /* non-interlaced */
 948                         saa_writel(SAA7134_RS_BA1(4),base2);
 949                         saa_writel(SAA7134_RS_BA2(4),base2);
 950                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 951                         saa_writel(SAA7134_RS_BA1(5),base3);
 952                         saa_writel(SAA7134_RS_BA2(5),base3);
 953                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 954                 }
 955                 saa_writel(SAA7134_RS_CONTROL(4),control);
 956                 saa_writel(SAA7134_RS_CONTROL(5),control);
 957         }
 958
 959         /* start DMA */
 960         saa7134_set_dmabits(dev);
 961         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
 962         return 0;
 963 }
 964
 965 static int buffer_prepare(struct videobuf_queue *q,
 966                           struct videobuf_buffer *vb,
 967                           enum v4l2_field field)
 968 {
 969         struct saa7134_fh *fh = q->priv_data;
 970         struct saa7134_dev *dev = fh->dev;
 971         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
 972         unsigned int size;
 973         int err;
 974
 975         /* sanity checks */
 976         if (NULL == fh->fmt)
 977                 return -EINVAL;
 978         if (fh->width    < 48 ||
 979             fh->height   < 32 ||
 980             fh->width/4  > dev->crop_current.width  ||
 981             fh->height/4 > dev->crop_current.height ||
 982             fh->width    > dev->crop_bounds.width  ||
 983             fh->height   > dev->crop_bounds.height)
 984                 return -EINVAL;
 985         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 986         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
 987                 return -EINVAL;
 988
 989         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
 990                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
 991                 fh->fmt->name);
 992         if (buf->vb.width  != fh->width  ||
 993             buf->vb.height != fh->height ||
 994             buf->vb.size   != size       ||
 995             buf->vb.field  != field      ||
 996             buf->fmt       != fh->fmt) {
 997                 saa7134_dma_free(dev,buf);
 998         }
 999
1000         if (STATE_NEEDS_INIT == buf->vb.state) {
1001                 buf->vb.width  = fh->width;
1002                 buf->vb.height = fh->height;
1003                 buf->vb.size   = size;
1004                 buf->vb.field  = field;
1005                 buf->fmt       = fh->fmt;
1006                 buf->pt        = &fh->pt_cap;
1007
1008                 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
1009                 if (err)
1010                         goto oops;
1011                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1012                                             buf->vb.dma.sglist,
1013                                             buf->vb.dma.sglen,
1014                                             saa7134_buffer_startpage(buf));
1015                 if (err)
1016                         goto oops;
1017         }
1018         buf->vb.state = STATE_PREPARED;
1019         buf->activate = buffer_activate;
1020         return 0;
1021
1022  oops:
1023         saa7134_dma_free(dev,buf);
1024         return err;
1025 }
1026
1027 static int
1028 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1029 {
1030         struct saa7134_fh *fh = q->priv_data;
1031
1032         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1033         if (0 == *count)
1034                 *count = gbuffers;
1035         *count = saa7134_buffer_count(*size,*count);
1036         return 0;
1037 }
1038
1039 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1040 {
1041         struct saa7134_fh *fh = q->priv_data;
1042         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1043
1044         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1045 }
1046
1047 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1048 {
1049         struct saa7134_fh *fh = q->priv_data;
1050         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1051
1052         saa7134_dma_free(fh->dev,buf);
1053 }
1054
1055 static struct videobuf_queue_ops video_qops = {
1056         .buf_setup    = buffer_setup,
1057         .buf_prepare  = buffer_prepare,
1058         .buf_queue    = buffer_queue,
1059         .buf_release  = buffer_release,
1060 };
1061
1062 /* ------------------------------------------------------------------ */
1063
1064 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1065 {
1066         const struct v4l2_queryctrl* ctrl;
1067
1068         ctrl = ctrl_by_id(c->id);
1069         if (NULL == ctrl)
1070                 return -EINVAL;
1071         switch (c->id) {
1072         case V4L2_CID_BRIGHTNESS:
1073                 c->value = dev->ctl_bright;
1074                 break;
1075         case V4L2_CID_HUE:
1076                 c->value = dev->ctl_hue;
1077                 break;
1078         case V4L2_CID_CONTRAST:
1079                 c->value = dev->ctl_contrast;
1080                 break;
1081         case V4L2_CID_SATURATION:
1082                 c->value = dev->ctl_saturation;
1083                 break;
1084         case V4L2_CID_AUDIO_MUTE:
1085                 c->value = dev->ctl_mute;
1086                 break;
1087         case V4L2_CID_AUDIO_VOLUME:
1088                 c->value = dev->ctl_volume;
1089                 break;
1090         case V4L2_CID_PRIVATE_INVERT:
1091                 c->value = dev->ctl_invert;
1092                 break;
1093         case V4L2_CID_HFLIP:
1094                 c->value = dev->ctl_mirror;
1095                 break;
1096         case V4L2_CID_PRIVATE_Y_EVEN:
1097                 c->value = dev->ctl_y_even;
1098                 break;
1099         case V4L2_CID_PRIVATE_Y_ODD:
1100                 c->value = dev->ctl_y_odd;
1101                 break;
1102         case V4L2_CID_PRIVATE_AUTOMUTE:
1103                 c->value = dev->ctl_automute;
1104                 break;
1105         default:
1106                 return -EINVAL;
1107         }
1108         return 0;
1109 }
1110
1111 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1112                        struct v4l2_control *c)
1113 {
1114         const struct v4l2_queryctrl* ctrl;
1115         unsigned long flags;
1116         int restart_overlay = 0;
1117
1118         ctrl = ctrl_by_id(c->id);
1119         if (NULL == ctrl)
1120                 return -EINVAL;
1121         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1122         switch (ctrl->type) {
1123         case V4L2_CTRL_TYPE_BOOLEAN:
1124         case V4L2_CTRL_TYPE_MENU:
1125         case V4L2_CTRL_TYPE_INTEGER:
1126                 if (c->value < ctrl->minimum)
1127                         c->value = ctrl->minimum;
1128                 if (c->value > ctrl->maximum)
1129                         c->value = ctrl->maximum;
1130                 break;
1131         default:
1132                 /* nothing */;
1133         };
1134         switch (c->id) {
1135         case V4L2_CID_BRIGHTNESS:
1136                 dev->ctl_bright = c->value;
1137                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1138                 break;
1139         case V4L2_CID_HUE:
1140                 dev->ctl_hue = c->value;
1141                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1142                 break;
1143         case V4L2_CID_CONTRAST:
1144                 dev->ctl_contrast = c->value;
1145                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1146                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1147                 break;
1148         case V4L2_CID_SATURATION:
1149                 dev->ctl_saturation = c->value;
1150                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1151                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1152                 break;
1153         case V4L2_CID_AUDIO_MUTE:
1154                 dev->ctl_mute = c->value;
1155                 saa7134_tvaudio_setmute(dev);
1156                 break;
1157         case V4L2_CID_AUDIO_VOLUME:
1158                 dev->ctl_volume = c->value;
1159                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1160                 break;
1161         case V4L2_CID_PRIVATE_INVERT:
1162                 dev->ctl_invert = c->value;
1163                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1164                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1165                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1166                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1167                 break;
1168         case V4L2_CID_HFLIP:
1169                 dev->ctl_mirror = c->value;
1170                 restart_overlay = 1;
1171                 break;
1172         case V4L2_CID_PRIVATE_Y_EVEN:
1173                 dev->ctl_y_even = c->value;
1174                 restart_overlay = 1;
1175                 break;
1176         case V4L2_CID_PRIVATE_Y_ODD:
1177                 dev->ctl_y_odd = c->value;
1178                 restart_overlay = 1;
1179                 break;
1180         case V4L2_CID_PRIVATE_AUTOMUTE:
1181                 dev->ctl_automute = c->value;
1182                 if (dev->tda9887_conf) {
1183                         if (dev->ctl_automute)
1184                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1185                         else
1186                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1187                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1188                                                  &dev->tda9887_conf);
1189                 }
1190                 break;
1191         default:
1192                 return -EINVAL;
1193         }
1194         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1195                 spin_lock_irqsave(&dev->slock,flags);
1196                 stop_preview(dev,fh);
1197                 start_preview(dev,fh);
1198                 spin_unlock_irqrestore(&dev->slock,flags);
1199         }
1200         return 0;
1201 }
1202
1203 /* ------------------------------------------------------------------ */
1204
1205 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1206 {
1207         struct videobuf_queue* q = NULL;
1208
1209         switch (fh->type) {
1210         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1211                 q = &fh->cap;
1212                 break;
1213         case V4L2_BUF_TYPE_VBI_CAPTURE:
1214                 q = &fh->vbi;
1215                 break;
1216         default:
1217                 BUG();
1218         }
1219         return q;
1220 }
1221
1222 static int saa7134_resource(struct saa7134_fh *fh)
1223 {
1224         int res = 0;
1225
1226         switch (fh->type) {
1227         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1228                 res = RESOURCE_VIDEO;
1229                 break;
1230         case V4L2_BUF_TYPE_VBI_CAPTURE:
1231                 res = RESOURCE_VBI;
1232                 break;
1233         default:
1234                 BUG();
1235         }
1236         return res;
1237 }
1238
1239 static int video_open(struct inode *inode, struct file *file)
1240 {
1241         int minor = iminor(inode);
1242         struct saa7134_dev *h,*dev = NULL;
1243         struct saa7134_fh *fh;
1244         struct list_head *list;
1245         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1246         int radio = 0;
1247         list_for_each(list,&saa7134_devlist) {
1248                 h = list_entry(list, struct saa7134_dev, devlist);
1249                 if (h->video_dev && (h->video_dev->minor == minor))
1250                         dev = h;
1251                 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1252                         radio = 1;
1253                         dev = h;
1254                 }
1255                 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1256                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1257                         dev = h;
1258                 }
1259         }
1260         if (NULL == dev)
1261                 return -ENODEV;
1262
1263         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1264                 v4l2_type_names[type]);
1265
1266         /* allocate + initialize per filehandle data */
1267         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1268         if (NULL == fh)
1269                 return -ENOMEM;
1270         file->private_data = fh;
1271         fh->dev      = dev;
1272         fh->radio    = radio;
1273         fh->type     = type;
1274         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1275         fh->width    = 720;
1276         fh->height   = 576;
1277         v4l2_prio_open(&dev->prio,&fh->prio);
1278
1279         videobuf_queue_init(&fh->cap, &video_qops,
1280                             dev->pci, &dev->slock,
1281                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1282                             V4L2_FIELD_INTERLACED,
1283                             sizeof(struct saa7134_buf),
1284                             fh);
1285         videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1286                             dev->pci, &dev->slock,
1287                             V4L2_BUF_TYPE_VBI_CAPTURE,
1288                             V4L2_FIELD_SEQ_TB,
1289                             sizeof(struct saa7134_buf),
1290                             fh);
1291         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1292         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1293
1294         if (fh->radio) {
1295                 /* switch to radio mode */
1296                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1297                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1298         } else {
1299                 /* switch to video/vbi mode */
1300                 video_mux(dev,dev->ctl_input);
1301         }
1302         return 0;
1303 }
1304
1305 static ssize_t
1306 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1307 {
1308         struct saa7134_fh *fh = file->private_data;
1309
1310         switch (fh->type) {
1311         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1312                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1313                         return -EBUSY;
1314                 return videobuf_read_one(saa7134_queue(fh),
1315                                          data, count, ppos,
1316                                          file->f_flags & O_NONBLOCK);
1317         case V4L2_BUF_TYPE_VBI_CAPTURE:
1318                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1319                         return -EBUSY;
1320                 return videobuf_read_stream(saa7134_queue(fh),
1321                                             data, count, ppos, 1,
1322                                             file->f_flags & O_NONBLOCK);
1323                 break;
1324         default:
1325                 BUG();
1326                 return 0;
1327         }
1328 }
1329
1330 static unsigned int
1331 video_poll(struct file *file, struct poll_table_struct *wait)
1332 {
1333         struct saa7134_fh *fh = file->private_data;
1334         struct videobuf_buffer *buf = NULL;
1335
1336         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1337                 return videobuf_poll_stream(file, &fh->vbi, wait);
1338
1339         if (res_check(fh,RESOURCE_VIDEO)) {
1340                 if (!list_empty(&fh->cap.stream))
1341                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1342         } else {
1343                 mutex_lock(&fh->cap.lock);
1344                 if (UNSET == fh->cap.read_off) {
1345                         /* need to capture a new frame */
1346                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1347                                 mutex_unlock(&fh->cap.lock);
1348                                 return POLLERR;
1349                         }
1350                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1351                                 mutex_unlock(&fh->cap.lock);
1352                                 return POLLERR;
1353                         }
1354                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1355                         fh->cap.read_off = 0;
1356                 }
1357                 mutex_unlock(&fh->cap.lock);
1358                 buf = fh->cap.read_buf;
1359         }
1360
1361         if (!buf)
1362                 return POLLERR;
1363
1364         poll_wait(file, &buf->done, wait);
1365         if (buf->state == STATE_DONE ||
1366             buf->state == STATE_ERROR)
1367                 return POLLIN|POLLRDNORM;
1368         return 0;
1369 }
1370
1371 static int video_release(struct inode *inode, struct file *file)
1372 {
1373         struct saa7134_fh  *fh  = file->private_data;
1374         struct saa7134_dev *dev = fh->dev;
1375         unsigned long flags;
1376
1377         /* turn off overlay */
1378         if (res_check(fh, RESOURCE_OVERLAY)) {
1379                 spin_lock_irqsave(&dev->slock,flags);
1380                 stop_preview(dev,fh);
1381                 spin_unlock_irqrestore(&dev->slock,flags);
1382                 res_free(dev,fh,RESOURCE_OVERLAY);
1383         }
1384
1385         /* stop video capture */
1386         if (res_check(fh, RESOURCE_VIDEO)) {
1387                 videobuf_streamoff(&fh->cap);
1388                 res_free(dev,fh,RESOURCE_VIDEO);
1389         }
1390         if (fh->cap.read_buf) {
1391                 buffer_release(&fh->cap,fh->cap.read_buf);
1392                 kfree(fh->cap.read_buf);
1393         }
1394
1395         /* stop vbi capture */
1396         if (res_check(fh, RESOURCE_VBI)) {
1397                 if (fh->vbi.streaming)
1398                         videobuf_streamoff(&fh->vbi);
1399                 if (fh->vbi.reading)
1400                         videobuf_read_stop(&fh->vbi);
1401                 res_free(dev,fh,RESOURCE_VBI);
1402         }
1403
1404         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1405         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1406         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1407         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1408         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1409
1410         saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1411
1412         /* free stuff */
1413         videobuf_mmap_free(&fh->cap);
1414         videobuf_mmap_free(&fh->vbi);
1415         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1416         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1417
1418         v4l2_prio_close(&dev->prio,&fh->prio);
1419         file->private_data = NULL;
1420         kfree(fh);
1421         return 0;
1422 }
1423
1424 static int
1425 video_mmap(struct file *file, struct vm_area_struct * vma)
1426 {
1427         struct saa7134_fh *fh = file->private_data;
1428
1429         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1430 }
1431
1432 /* ------------------------------------------------------------------ */
1433
1434 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1435 {
1436         struct saa7134_tvnorm *norm = dev->tvnorm;
1437
1438         f->fmt.vbi.sampling_rate = 6750000 * 4;
1439         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1440         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1441         f->fmt.vbi.offset = 64 * 4;
1442         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1443         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1444         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1445         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1446         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1447
1448 }
1449
1450 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1451                          struct v4l2_format *f)
1452 {
1453         switch (f->type) {
1454         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1455                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1456                 f->fmt.pix.width        = fh->width;
1457                 f->fmt.pix.height       = fh->height;
1458                 f->fmt.pix.field        = fh->cap.field;
1459                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1460                 f->fmt.pix.bytesperline =
1461                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1462                 f->fmt.pix.sizeimage =
1463                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1464                 return 0;
1465         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1466                 f->fmt.win = fh->win;
1467                 return 0;
1468         case V4L2_BUF_TYPE_VBI_CAPTURE:
1469                 saa7134_vbi_fmt(dev,f);
1470                 return 0;
1471         default:
1472                 return -EINVAL;
1473         }
1474 }
1475
1476 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1477                            struct v4l2_format *f)
1478 {
1479         int err;
1480
1481         switch (f->type) {
1482         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1483         {
1484                 struct saa7134_format *fmt;
1485                 enum v4l2_field field;
1486                 unsigned int maxw, maxh;
1487
1488                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1489                 if (NULL == fmt)
1490                         return -EINVAL;
1491
1492                 field = f->fmt.pix.field;
1493                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1494                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1495
1496                 if (V4L2_FIELD_ANY == field) {
1497                         field = (f->fmt.pix.height > maxh/2)
1498                                 ? V4L2_FIELD_INTERLACED
1499                                 : V4L2_FIELD_BOTTOM;
1500                 }
1501                 switch (field) {
1502                 case V4L2_FIELD_TOP:
1503                 case V4L2_FIELD_BOTTOM:
1504                         maxh = maxh / 2;
1505                         break;
1506                 case V4L2_FIELD_INTERLACED:
1507                         break;
1508                 default:
1509                         return -EINVAL;
1510                 }
1511
1512                 f->fmt.pix.field = field;
1513                 if (f->fmt.pix.width  < 48)
1514                         f->fmt.pix.width  = 48;
1515                 if (f->fmt.pix.height < 32)
1516                         f->fmt.pix.height = 32;
1517                 if (f->fmt.pix.width > maxw)
1518                         f->fmt.pix.width = maxw;
1519                 if (f->fmt.pix.height > maxh)
1520                         f->fmt.pix.height = maxh;
1521                 f->fmt.pix.width &= ~0x03;
1522                 f->fmt.pix.bytesperline =
1523                         (f->fmt.pix.width * fmt->depth) >> 3;
1524                 f->fmt.pix.sizeimage =
1525                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1526
1527                 return 0;
1528         }
1529         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1530                 err = verify_preview(dev,&f->fmt.win);
1531                 if (0 != err)
1532                         return err;
1533                 return 0;
1534         case V4L2_BUF_TYPE_VBI_CAPTURE:
1535                 saa7134_vbi_fmt(dev,f);
1536                 return 0;
1537         default:
1538                 return -EINVAL;
1539         }
1540 }
1541
1542 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1543                          struct v4l2_format *f)
1544 {
1545         unsigned long flags;
1546         int err;
1547
1548         switch (f->type) {
1549         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1550                 err = saa7134_try_fmt(dev,fh,f);
1551                 if (0 != err)
1552                         return err;
1553
1554                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1555                 fh->width     = f->fmt.pix.width;
1556                 fh->height    = f->fmt.pix.height;
1557                 fh->cap.field = f->fmt.pix.field;
1558                 return 0;
1559         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1560                 err = verify_preview(dev,&f->fmt.win);
1561                 if (0 != err)
1562                         return err;
1563
1564                 mutex_lock(&dev->lock);
1565                 fh->win    = f->fmt.win;
1566                 fh->nclips = f->fmt.win.clipcount;
1567                 if (fh->nclips > 8)
1568                         fh->nclips = 8;
1569                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1570                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1571                         mutex_unlock(&dev->lock);
1572                         return -EFAULT;
1573                 }
1574
1575                 if (res_check(fh, RESOURCE_OVERLAY)) {
1576                         spin_lock_irqsave(&dev->slock,flags);
1577                         stop_preview(dev,fh);
1578                         start_preview(dev,fh);
1579                         spin_unlock_irqrestore(&dev->slock,flags);
1580                 }
1581                 mutex_unlock(&dev->lock);
1582                 return 0;
1583         case V4L2_BUF_TYPE_VBI_CAPTURE:
1584                 saa7134_vbi_fmt(dev,f);
1585                 return 0;
1586         default:
1587                 return -EINVAL;
1588         }
1589 }
1590
1591 int saa7134_common_ioctl(struct saa7134_dev *dev,
1592                          unsigned int cmd, void *arg)
1593 {
1594         int err;
1595
1596         switch (cmd) {
1597         case VIDIOC_QUERYCTRL:
1598         {
1599                 const struct v4l2_queryctrl *ctrl;
1600                 struct v4l2_queryctrl *c = arg;
1601
1602                 if ((c->id <  V4L2_CID_BASE ||
1603                      c->id >= V4L2_CID_LASTP1) &&
1604                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1605                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1606                         return -EINVAL;
1607                 ctrl = ctrl_by_id(c->id);
1608                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1609                 return 0;
1610         }
1611         case VIDIOC_G_CTRL:
1612                 return get_control(dev,arg);
1613         case VIDIOC_S_CTRL:
1614         {
1615                 mutex_lock(&dev->lock);
1616                 err = set_control(dev,NULL,arg);
1617                 mutex_unlock(&dev->lock);
1618                 return err;
1619         }
1620         /* --- input switching --------------------------------------- */
1621         case VIDIOC_ENUMINPUT:
1622         {
1623                 struct v4l2_input *i = arg;
1624                 unsigned int n;
1625
1626                 n = i->index;
1627                 if (n >= SAA7134_INPUT_MAX)
1628                         return -EINVAL;
1629                 if (NULL == card_in(dev,i->index).name)
1630                         return -EINVAL;
1631                 memset(i,0,sizeof(*i));
1632                 i->index = n;
1633                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1634                 strcpy(i->name,card_in(dev,n).name);
1635                 if (card_in(dev,n).tv)
1636                         i->type = V4L2_INPUT_TYPE_TUNER;
1637                 i->audioset = 1;
1638                 if (n == dev->ctl_input) {
1639                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1640                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1641
1642                         if (0 != (v1 & 0x40))
1643                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1644                         if (0 != (v2 & 0x40))
1645                                 i->status |= V4L2_IN_ST_NO_SYNC;
1646                         if (0 != (v2 & 0x0e))
1647                                 i->status |= V4L2_IN_ST_MACROVISION;
1648                 }
1649                 for (n = 0; n < TVNORMS; n++)
1650                         i->std |= tvnorms[n].id;
1651                 return 0;
1652         }
1653         case VIDIOC_G_INPUT:
1654         {
1655                 int *i = arg;
1656                 *i = dev->ctl_input;
1657                 return 0;
1658         }
1659         case VIDIOC_S_INPUT:
1660         {
1661                 int *i = arg;
1662
1663                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1664                         return -EINVAL;
1665                 if (NULL == card_in(dev,*i).name)
1666                         return -EINVAL;
1667                 mutex_lock(&dev->lock);
1668                 video_mux(dev,*i);
1669                 mutex_unlock(&dev->lock);
1670                 return 0;
1671         }
1672
1673         }
1674         return 0;
1675 }
1676 EXPORT_SYMBOL(saa7134_common_ioctl);
1677
1678 /*
1679  * This function is _not_ called directly, but from
1680  * video_generic_ioctl (and maybe others).  userspace
1681  * copying is done already, arg is a kernel pointer.
1682  */
1683 static int video_do_ioctl(struct inode *inode, struct file *file,
1684                           unsigned int cmd, void *arg)
1685 {
1686         struct saa7134_fh *fh = file->private_data;
1687         struct saa7134_dev *dev = fh->dev;
1688         unsigned long flags;
1689         int err;
1690
1691         if (video_debug > 1)
1692                 v4l_print_ioctl(dev->name,cmd);
1693
1694         switch (cmd) {
1695         case VIDIOC_S_CTRL:
1696         case VIDIOC_S_STD:
1697         case VIDIOC_S_INPUT:
1698         case VIDIOC_S_TUNER:
1699         case VIDIOC_S_FREQUENCY:
1700                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1701                 if (0 != err)
1702                         return err;
1703         }
1704
1705         switch (cmd) {
1706         case VIDIOC_QUERYCAP:
1707         {
1708                 struct v4l2_capability *cap = arg;
1709                 unsigned int tuner_type = dev->tuner_type;
1710
1711                 memset(cap,0,sizeof(*cap));
1712                 strcpy(cap->driver, "saa7134");
1713                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1714                         sizeof(cap->card));
1715                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1716                 cap->version = SAA7134_VERSION_CODE;
1717                 cap->capabilities =
1718                         V4L2_CAP_VIDEO_CAPTURE |
1719                         V4L2_CAP_VIDEO_OVERLAY |
1720                         V4L2_CAP_VBI_CAPTURE |
1721                         V4L2_CAP_READWRITE |
1722                         V4L2_CAP_STREAMING |
1723                         V4L2_CAP_TUNER;
1724
1725                 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1726                         cap->capabilities &= ~V4L2_CAP_TUNER;
1727
1728                 return 0;
1729         }
1730
1731         /* --- tv standards ------------------------------------------ */
1732         case VIDIOC_ENUMSTD:
1733         {
1734                 struct v4l2_standard *e = arg;
1735                 unsigned int i;
1736
1737                 i = e->index;
1738                 if (i >= TVNORMS)
1739                         return -EINVAL;
1740                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1741                                                tvnorms[e->index].name);
1742                 e->index = i;
1743                 if (err < 0)
1744                         return err;
1745                 return 0;
1746         }
1747         case VIDIOC_G_STD:
1748         {
1749                 v4l2_std_id *id = arg;
1750
1751                 *id = dev->tvnorm->id;
1752                 return 0;
1753         }
1754         case VIDIOC_S_STD:
1755         {
1756                 v4l2_std_id *id = arg;
1757                 unsigned int i;
1758
1759                 for (i = 0; i < TVNORMS; i++)
1760                         if (*id == tvnorms[i].id)
1761                                 break;
1762                 if (i == TVNORMS)
1763                         for (i = 0; i < TVNORMS; i++)
1764                                 if (*id & tvnorms[i].id)
1765                                         break;
1766                 if (i == TVNORMS)
1767                         return -EINVAL;
1768
1769                 mutex_lock(&dev->lock);
1770                 if (res_check(fh, RESOURCE_OVERLAY)) {
1771                         spin_lock_irqsave(&dev->slock,flags);
1772                         stop_preview(dev,fh);
1773                         set_tvnorm(dev,&tvnorms[i]);
1774                         start_preview(dev,fh);
1775                         spin_unlock_irqrestore(&dev->slock,flags);
1776                 } else
1777                         set_tvnorm(dev,&tvnorms[i]);
1778                 saa7134_tvaudio_do_scan(dev);
1779                 mutex_unlock(&dev->lock);
1780                 return 0;
1781         }
1782
1783         case VIDIOC_CROPCAP:
1784         {
1785                 struct v4l2_cropcap *cap = arg;
1786
1787                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1788                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1789                         return -EINVAL;
1790                 cap->bounds  = dev->crop_bounds;
1791                 cap->defrect = dev->crop_defrect;
1792                 cap->pixelaspect.numerator   = 1;
1793                 cap->pixelaspect.denominator = 1;
1794                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1795                         cap->pixelaspect.numerator   = 11;
1796                         cap->pixelaspect.denominator = 10;
1797                 }
1798                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1799                         cap->pixelaspect.numerator   = 54;
1800                         cap->pixelaspect.denominator = 59;
1801                 }
1802                 return 0;
1803         }
1804
1805         case VIDIOC_G_CROP:
1806         {
1807                 struct v4l2_crop * crop = arg;
1808
1809                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1810                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1811                         return -EINVAL;
1812                 crop->c = dev->crop_current;
1813                 return 0;
1814         }
1815         case VIDIOC_S_CROP:
1816         {
1817                 struct v4l2_crop *crop = arg;
1818                 struct v4l2_rect *b = &dev->crop_bounds;
1819
1820                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1821                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1822                         return -EINVAL;
1823                 if (crop->c.height < 0)
1824                         return -EINVAL;
1825                 if (crop->c.width < 0)
1826                         return -EINVAL;
1827
1828                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1829                         return -EBUSY;
1830                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1831                         return -EBUSY;
1832
1833                 if (crop->c.top < b->top)
1834                         crop->c.top = b->top;
1835                 if (crop->c.top > b->top + b->height)
1836                         crop->c.top = b->top + b->height;
1837                 if (crop->c.height > b->top - crop->c.top + b->height)
1838                         crop->c.height = b->top - crop->c.top + b->height;
1839
1840                 if (crop->c.left < b->left)
1841                         crop->c.left = b->left;
1842                 if (crop->c.left > b->left + b->width)
1843                         crop->c.left = b->left + b->width;
1844                 if (crop->c.width > b->left - crop->c.left + b->width)
1845                         crop->c.width = b->left - crop->c.left + b->width;
1846
1847                 dev->crop_current = crop->c;
1848                 return 0;
1849         }
1850
1851         /* --- tuner ioctls ------------------------------------------ */
1852         case VIDIOC_G_TUNER:
1853         {
1854                 struct v4l2_tuner *t = arg;
1855                 int n;
1856
1857                 if (0 != t->index)
1858                         return -EINVAL;
1859                 memset(t,0,sizeof(*t));
1860                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1861                         if (card_in(dev,n).tv)
1862                                 break;
1863                 if (NULL != card_in(dev,n).name) {
1864                         strcpy(t->name, "Television");
1865                         t->type = V4L2_TUNER_ANALOG_TV;
1866                         t->capability = V4L2_TUNER_CAP_NORM |
1867                                 V4L2_TUNER_CAP_STEREO |
1868                                 V4L2_TUNER_CAP_LANG1 |
1869                                 V4L2_TUNER_CAP_LANG2;
1870                         t->rangehigh = 0xffffffffUL;
1871                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1872                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1873                 }
1874                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1875                         t->signal = 0xffff;
1876                 return 0;
1877         }
1878         case VIDIOC_S_TUNER:
1879         {
1880                 struct v4l2_tuner *t = arg;
1881                 int rx,mode;
1882
1883                 mode = dev->thread.mode;
1884                 if (UNSET == mode) {
1885                         rx   = saa7134_tvaudio_getstereo(dev);
1886                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1887                 }
1888                 if (mode != t->audmode) {
1889                         dev->thread.mode = t->audmode;
1890                 }
1891                 return 0;
1892         }
1893         case VIDIOC_G_FREQUENCY:
1894         {
1895                 struct v4l2_frequency *f = arg;
1896
1897                 memset(f,0,sizeof(*f));
1898                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1899                 f->frequency = dev->ctl_freq;
1900                 return 0;
1901         }
1902         case VIDIOC_S_FREQUENCY:
1903         {
1904                 struct v4l2_frequency *f = arg;
1905
1906                 if (0 != f->tuner)
1907                         return -EINVAL;
1908                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1909                         return -EINVAL;
1910                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1911                         return -EINVAL;
1912                 mutex_lock(&dev->lock);
1913                 dev->ctl_freq = f->frequency;
1914
1915                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1916
1917                 saa7134_tvaudio_do_scan(dev);
1918                 mutex_unlock(&dev->lock);
1919                 return 0;
1920         }
1921
1922         /* --- control ioctls ---------------------------------------- */
1923         case VIDIOC_ENUMINPUT:
1924         case VIDIOC_G_INPUT:
1925         case VIDIOC_S_INPUT:
1926         case VIDIOC_QUERYCTRL:
1927         case VIDIOC_G_CTRL:
1928         case VIDIOC_S_CTRL:
1929                 return saa7134_common_ioctl(dev, cmd, arg);
1930
1931         case VIDIOC_G_AUDIO:
1932         {
1933                 struct v4l2_audio *a = arg;
1934
1935                 memset(a,0,sizeof(*a));
1936                 strcpy(a->name,"audio");
1937                 return 0;
1938         }
1939         case VIDIOC_S_AUDIO:
1940                 return 0;
1941         case VIDIOC_G_PARM:
1942         {
1943                 struct v4l2_captureparm *parm = arg;
1944                 memset(parm,0,sizeof(*parm));
1945                 return 0;
1946         }
1947
1948         case VIDIOC_G_PRIORITY:
1949         {
1950                 enum v4l2_priority *p = arg;
1951
1952                 *p = v4l2_prio_max(&dev->prio);
1953                 return 0;
1954         }
1955         case VIDIOC_S_PRIORITY:
1956         {
1957                 enum v4l2_priority *prio = arg;
1958
1959                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1960         }
1961
1962         /* --- preview ioctls ---------------------------------------- */
1963         case VIDIOC_ENUM_FMT:
1964         {
1965                 struct v4l2_fmtdesc *f = arg;
1966                 enum v4l2_buf_type type;
1967                 unsigned int index;
1968
1969                 index = f->index;
1970                 type  = f->type;
1971                 switch (type) {
1972                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1973                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1974                         if (index >= FORMATS)
1975                                 return -EINVAL;
1976                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1977                             formats[index].planar)
1978                                 return -EINVAL;
1979                         memset(f,0,sizeof(*f));
1980                         f->index = index;
1981                         f->type  = type;
1982                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1983                         f->pixelformat = formats[index].fourcc;
1984                         break;
1985                 case V4L2_BUF_TYPE_VBI_CAPTURE:
1986                         if (0 != index)
1987                                 return -EINVAL;
1988                         memset(f,0,sizeof(*f));
1989                         f->index = index;
1990                         f->type  = type;
1991                         f->pixelformat = V4L2_PIX_FMT_GREY;
1992                         strcpy(f->description,"vbi data");
1993                         break;
1994                 default:
1995                         return -EINVAL;
1996                 }
1997                 return 0;
1998         }
1999         case VIDIOC_G_FBUF:
2000         {
2001                 struct v4l2_framebuffer *fb = arg;
2002
2003                 *fb = dev->ovbuf;
2004                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2005                 return 0;
2006         }
2007         case VIDIOC_S_FBUF:
2008         {
2009                 struct v4l2_framebuffer *fb = arg;
2010                 struct saa7134_format *fmt;
2011
2012                 if(!capable(CAP_SYS_ADMIN) &&
2013                    !capable(CAP_SYS_RAWIO))
2014                         return -EPERM;
2015
2016                 /* check args */
2017                 fmt = format_by_fourcc(fb->fmt.pixelformat);
2018                 if (NULL == fmt)
2019                         return -EINVAL;
2020
2021                 /* ok, accept it */
2022                 dev->ovbuf = *fb;
2023                 dev->ovfmt = fmt;
2024                 if (0 == dev->ovbuf.fmt.bytesperline)
2025                         dev->ovbuf.fmt.bytesperline =
2026                                 dev->ovbuf.fmt.width*fmt->depth/8;
2027                 return 0;
2028         }
2029         case VIDIOC_OVERLAY:
2030         {
2031                 int *on = arg;
2032
2033                 if (*on) {
2034                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
2035                                 return -EBUSY;
2036                         spin_lock_irqsave(&dev->slock,flags);
2037                         start_preview(dev,fh);
2038                         spin_unlock_irqrestore(&dev->slock,flags);
2039                 }
2040                 if (!*on) {
2041                         if (!res_check(fh, RESOURCE_OVERLAY))
2042                                 return -EINVAL;
2043                         spin_lock_irqsave(&dev->slock,flags);
2044                         stop_preview(dev,fh);
2045                         spin_unlock_irqrestore(&dev->slock,flags);
2046                         res_free(dev,fh,RESOURCE_OVERLAY);
2047                 }
2048                 return 0;
2049         }
2050
2051         /* --- capture ioctls ---------------------------------------- */
2052         case VIDIOC_G_FMT:
2053         {
2054                 struct v4l2_format *f = arg;
2055                 return saa7134_g_fmt(dev,fh,f);
2056         }
2057         case VIDIOC_S_FMT:
2058         {
2059                 struct v4l2_format *f = arg;
2060                 return saa7134_s_fmt(dev,fh,f);
2061         }
2062         case VIDIOC_TRY_FMT:
2063         {
2064                 struct v4l2_format *f = arg;
2065                 return saa7134_try_fmt(dev,fh,f);
2066         }
2067 #ifdef HAVE_V4L1
2068         case VIDIOCGMBUF:
2069         {
2070                 struct video_mbuf *mbuf = arg;
2071                 struct videobuf_queue *q;
2072                 struct v4l2_requestbuffers req;
2073                 unsigned int i;
2074
2075                 q = saa7134_queue(fh);
2076                 memset(&req,0,sizeof(req));
2077                 req.type   = q->type;
2078                 req.count  = gbuffers;
2079                 req.memory = V4L2_MEMORY_MMAP;
2080                 err = videobuf_reqbufs(q,&req);
2081                 if (err < 0)
2082                         return err;
2083                 memset(mbuf,0,sizeof(*mbuf));
2084                 mbuf->frames = req.count;
2085                 mbuf->size   = 0;
2086                 for (i = 0; i < mbuf->frames; i++) {
2087                         mbuf->offsets[i]  = q->bufs[i]->boff;
2088                         mbuf->size       += q->bufs[i]->bsize;
2089                 }
2090                 return 0;
2091         }
2092 #endif
2093         case VIDIOC_REQBUFS:
2094                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2095
2096         case VIDIOC_QUERYBUF:
2097                 return videobuf_querybuf(saa7134_queue(fh),arg);
2098
2099         case VIDIOC_QBUF:
2100                 return videobuf_qbuf(saa7134_queue(fh),arg);
2101
2102         case VIDIOC_DQBUF:
2103                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2104                                       file->f_flags & O_NONBLOCK);
2105
2106         case VIDIOC_STREAMON:
2107         {
2108                 int res = saa7134_resource(fh);
2109
2110                 if (!res_get(dev,fh,res))
2111                         return -EBUSY;
2112                 return videobuf_streamon(saa7134_queue(fh));
2113         }
2114         case VIDIOC_STREAMOFF:
2115         {
2116                 int res = saa7134_resource(fh);
2117
2118                 err = videobuf_streamoff(saa7134_queue(fh));
2119                 if (err < 0)
2120                         return err;
2121                 res_free(dev,fh,res);
2122                 return 0;
2123         }
2124
2125         default:
2126                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2127                                                   video_do_ioctl);
2128         }
2129         return 0;
2130 }
2131
2132 static int video_ioctl(struct inode *inode, struct file *file,
2133                        unsigned int cmd, unsigned long arg)
2134 {
2135         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2136 }
2137
2138 static int radio_do_ioctl(struct inode *inode, struct file *file,
2139                           unsigned int cmd, void *arg)
2140 {
2141         struct saa7134_fh *fh = file->private_data;
2142         struct saa7134_dev *dev = fh->dev;
2143
2144         if (video_debug > 1)
2145                 v4l_print_ioctl(dev->name,cmd);
2146         switch (cmd) {
2147         case VIDIOC_QUERYCAP:
2148         {
2149                 struct v4l2_capability *cap = arg;
2150
2151                 memset(cap,0,sizeof(*cap));
2152                 strcpy(cap->driver, "saa7134");
2153                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2154                         sizeof(cap->card));
2155                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2156                 cap->version = SAA7134_VERSION_CODE;
2157                 cap->capabilities = V4L2_CAP_TUNER;
2158                 return 0;
2159         }
2160         case VIDIOC_G_TUNER:
2161         {
2162                 struct v4l2_tuner *t = arg;
2163
2164                 if (0 != t->index)
2165                         return -EINVAL;
2166
2167                 memset(t,0,sizeof(*t));
2168                 strcpy(t->name, "Radio");
2169                 t->type = V4L2_TUNER_RADIO;
2170
2171                 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2172
2173                 return 0;
2174         }
2175         case VIDIOC_S_TUNER:
2176         {
2177                 struct v4l2_tuner *t = arg;
2178
2179                 if (0 != t->index)
2180                         return -EINVAL;
2181
2182                 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2183
2184                 return 0;
2185         }
2186         case VIDIOC_ENUMINPUT:
2187         {
2188                 struct v4l2_input *i = arg;
2189
2190                 if (i->index != 0)
2191                         return -EINVAL;
2192                 strcpy(i->name,"Radio");
2193                 i->type = V4L2_INPUT_TYPE_TUNER;
2194                 return 0;
2195         }
2196         case VIDIOC_G_INPUT:
2197         {
2198                 int *i = arg;
2199                 *i = 0;
2200                 return 0;
2201         }
2202         case VIDIOC_G_AUDIO:
2203         {
2204                 struct v4l2_audio *a = arg;
2205
2206                 memset(a,0,sizeof(*a));
2207                 strcpy(a->name,"Radio");
2208                 return 0;
2209         }
2210         case VIDIOC_G_STD:
2211         {
2212                 v4l2_std_id *id = arg;
2213                 *id = 0;
2214                 return 0;
2215         }
2216         case VIDIOC_S_AUDIO:
2217         case VIDIOC_S_INPUT:
2218         case VIDIOC_S_STD:
2219                 return 0;
2220
2221         case VIDIOC_QUERYCTRL:
2222         {
2223                 const struct v4l2_queryctrl *ctrl;
2224                 struct v4l2_queryctrl *c = arg;
2225
2226                 if (c->id <  V4L2_CID_BASE ||
2227                     c->id >= V4L2_CID_LASTP1)
2228                         return -EINVAL;
2229                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2230                         ctrl = ctrl_by_id(c->id);
2231                         *c = *ctrl;
2232                 } else
2233                         *c = no_ctrl;
2234                 return 0;
2235         }
2236
2237         case VIDIOC_G_CTRL:
2238         case VIDIOC_S_CTRL:
2239         case VIDIOC_G_FREQUENCY:
2240         case VIDIOC_S_FREQUENCY:
2241                 return video_do_ioctl(inode,file,cmd,arg);
2242
2243         default:
2244                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2245                                                   radio_do_ioctl);
2246         }
2247         return 0;
2248 }
2249
2250 static int radio_ioctl(struct inode *inode, struct file *file,
2251                        unsigned int cmd, unsigned long arg)
2252 {
2253         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2254 }
2255
2256 static struct file_operations video_fops =
2257 {
2258         .owner    = THIS_MODULE,
2259         .open     = video_open,
2260         .release  = video_release,
2261         .read     = video_read,
2262         .poll     = video_poll,
2263         .mmap     = video_mmap,
2264         .ioctl    = video_ioctl,
2265         .compat_ioctl   = v4l_compat_ioctl32,
2266         .llseek   = no_llseek,
2267 };
2268
2269 static struct file_operations radio_fops =
2270 {
2271         .owner    = THIS_MODULE,
2272         .open     = video_open,
2273         .release  = video_release,
2274         .ioctl    = radio_ioctl,
2275         .compat_ioctl   = v4l_compat_ioctl32,
2276         .llseek   = no_llseek,
2277 };
2278
2279 /* ----------------------------------------------------------- */
2280 /* exported stuff                                              */
2281
2282 struct video_device saa7134_video_template =
2283 {
2284         .name          = "saa7134-video",
2285         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2286                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2287         .hardware      = 0,
2288         .fops          = &video_fops,
2289         .minor         = -1,
2290 };
2291
2292 struct video_device saa7134_vbi_template =
2293 {
2294         .name          = "saa7134-vbi",
2295         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2296         .hardware      = 0,
2297         .fops          = &video_fops,
2298         .minor         = -1,
2299 };
2300
2301 struct video_device saa7134_radio_template =
2302 {
2303         .name          = "saa7134-radio",
2304         .type          = VID_TYPE_TUNER,
2305         .hardware      = 0,
2306         .fops          = &radio_fops,
2307         .minor         = -1,
2308 };
2309
2310 int saa7134_video_init1(struct saa7134_dev *dev)
2311 {
2312         /* sanitycheck insmod options */
2313         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2314                 gbuffers = 2;
2315         if (gbufsize < 0 || gbufsize > gbufsize_max)
2316                 gbufsize = gbufsize_max;
2317         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2318
2319         /* put some sensible defaults into the data structures ... */
2320         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2321         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2322         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2323         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2324         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2325         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2326         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2327         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2328
2329         if (dev->tda9887_conf && dev->ctl_automute)
2330                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2331         dev->automute       = 0;
2332
2333         INIT_LIST_HEAD(&dev->video_q.queue);
2334         init_timer(&dev->video_q.timeout);
2335         dev->video_q.timeout.function = saa7134_buffer_timeout;
2336         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2337         dev->video_q.dev              = dev;
2338
2339         if (saa7134_boards[dev->board].video_out) {
2340                 /* enable video output */
2341                 int vo = saa7134_boards[dev->board].video_out;
2342                 int video_reg;
2343                 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2344                 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2345                 video_reg = video_out[vo][1];
2346                 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2347                         video_reg &= ~VP_T_CODE_P_INVERTED;
2348                 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2349                 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2350                 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2351                 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2352                 video_reg = video_out[vo][5];
2353                 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2354                         video_reg &= ~VP_CLK_CTRL2_DELAYED;
2355                 if (vid_port_opts & SET_CLOCK_INVERTED)
2356                         video_reg |= VP_CLK_CTRL1_INVERTED;
2357                 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2358                 video_reg = video_out[vo][6];
2359                 if (vid_port_opts & SET_VSYNC_OFF) {
2360                         video_reg &= ~VP_VS_TYPE_MASK;
2361                         video_reg |= VP_VS_TYPE_OFF;
2362                 }
2363                 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2364                 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2365                 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2366         }
2367
2368         return 0;
2369 }
2370
2371 int saa7134_video_init2(struct saa7134_dev *dev)
2372 {
2373         /* init video hw */
2374         set_tvnorm(dev,&tvnorms[0]);
2375         video_mux(dev,0);
2376         saa7134_tvaudio_setmute(dev);
2377         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2378         return 0;
2379 }
2380
2381 int saa7134_video_fini(struct saa7134_dev *dev)
2382 {
2383         /* nothing */
2384         return 0;
2385 }
2386
2387 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2388 {
2389         static const char *st[] = {
2390                 "(no signal)", "NTSC", "PAL", "SECAM" };
2391         u32 st1,st2;
2392
2393         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2394         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2395         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2396                 (st1 & 0x40) ? "not locked" : "locked",
2397                 (st2 & 0x40) ? "no"         : "yes",
2398                 st[st1 & 0x03]);
2399         dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2400
2401         if (dev->nosignal) {
2402                 /* no video signal -> mute audio */
2403                 if (dev->ctl_automute)
2404                         dev->automute = 1;
2405                 saa7134_tvaudio_setmute(dev);
2406                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2407         } else {
2408                 /* wake up tvaudio audio carrier scan thread */
2409                 saa7134_tvaudio_do_scan(dev);
2410                 if (!noninterlaced)
2411                         saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2412         }
2413         if (dev->mops && dev->mops->signal_change)
2414                 dev->mops->signal_change(dev);
2415 }
2416
2417 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2418 {
2419         enum v4l2_field field;
2420
2421         spin_lock(&dev->slock);
2422         if (dev->video_q.curr) {
2423                 dev->video_fieldcount++;
2424                 field = dev->video_q.curr->vb.field;
2425                 if (V4L2_FIELD_HAS_BOTH(field)) {
2426                         /* make sure we have seen both fields */
2427                         if ((status & 0x10) == 0x00) {
2428                                 dev->video_q.curr->top_seen = 1;
2429                                 goto done;
2430                         }
2431                         if (!dev->video_q.curr->top_seen)
2432                                 goto done;
2433                 } else if (field == V4L2_FIELD_TOP) {
2434                         if ((status & 0x10) != 0x10)
2435                                 goto done;
2436                 } else if (field == V4L2_FIELD_BOTTOM) {
2437                         if ((status & 0x10) != 0x00)
2438                                 goto done;
2439                 }
2440                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2441                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2442         }
2443         saa7134_buffer_next(dev,&dev->video_q);
2444
2445  done:
2446         spin_unlock(&dev->slock);
2447 }
2448
2449 /* ----------------------------------------------------------- */
2450 /*
2451  * Local variables:
2452  * c-basic-offset: 8
2453  * End:
2454  */