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

   1 /*
   2  * $Id: saa7134-video.c,v 1.30 2005/06/07 19:00:38 nsh Exp $
   3  *
   4  * device driver for philips saa7134 based TV cards
   5  * video4linux video interface
   6  *
   7  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24 #include <linux/init.h>
  25 #include <linux/list.h>
  26 #include <linux/module.h>
  27 #include <linux/moduleparam.h>
  28 #include <linux/kernel.h>
  29 #include <linux/slab.h>
  30
  31 #include "saa7134-reg.h"
  32 #include "saa7134.h"
  33
  34 /* ------------------------------------------------------------------ */
  35
  36 static unsigned int video_debug   = 0;
  37 static unsigned int gbuffers      = 8;
  38 static unsigned int noninterlaced = 0;
  39 static unsigned int gbufsize      = 720*576*4;
  40 static unsigned int gbufsize_max  = 720*576*4;
  41 module_param(video_debug, int, 0644);
  42 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  43 module_param(gbuffers, int, 0444);
  44 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  45 module_param(noninterlaced, int, 0644);
  46 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
  47
  48 #define dprintk(fmt, arg...)    if (video_debug) \
  49         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  50
  51 /* ------------------------------------------------------------------ */
  52 /* data structs for video                                             */
  53
  54 static int video_out[][9] = {
  55         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
  56 };
  57
  58 static struct saa7134_format formats[] = {
  59         {
  60                 .name     = "8 bpp gray",
  61                 .fourcc   = V4L2_PIX_FMT_GREY,
  62                 .depth    = 8,
  63                 .pm       = 0x06,
  64         },{
  65                 .name     = "15 bpp RGB, le",
  66                 .fourcc   = V4L2_PIX_FMT_RGB555,
  67                 .depth    = 16,
  68                 .pm       = 0x13 | 0x80,
  69         },{
  70                 .name     = "15 bpp RGB, be",
  71                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  72                 .depth    = 16,
  73                 .pm       = 0x13 | 0x80,
  74                 .bswap    = 1,
  75         },{
  76                 .name     = "16 bpp RGB, le",
  77                 .fourcc   = V4L2_PIX_FMT_RGB565,
  78                 .depth    = 16,
  79                 .pm       = 0x10 | 0x80,
  80         },{
  81                 .name     = "16 bpp RGB, be",
  82                 .fourcc   = V4L2_PIX_FMT_RGB565X,
  83                 .depth    = 16,
  84                 .pm       = 0x10 | 0x80,
  85                 .bswap    = 1,
  86         },{
  87                 .name     = "24 bpp RGB, le",
  88                 .fourcc   = V4L2_PIX_FMT_BGR24,
  89                 .depth    = 24,
  90                 .pm       = 0x11,
  91         },{
  92                 .name     = "24 bpp RGB, be",
  93                 .fourcc   = V4L2_PIX_FMT_RGB24,
  94                 .depth    = 24,
  95                 .pm       = 0x11,
  96                 .bswap    = 1,
  97         },{
  98                 .name     = "32 bpp RGB, le",
  99                 .fourcc   = V4L2_PIX_FMT_BGR32,
 100                 .depth    = 32,
 101                 .pm       = 0x12,
 102         },{
 103                 .name     = "32 bpp RGB, be",
 104                 .fourcc   = V4L2_PIX_FMT_RGB32,
 105                 .depth    = 32,
 106                 .pm       = 0x12,
 107                 .bswap    = 1,
 108                 .wswap    = 1,
 109         },{
 110                 .name     = "4:2:2 packed, YUYV",
 111                 .fourcc   = V4L2_PIX_FMT_YUYV,
 112                 .depth    = 16,
 113                 .pm       = 0x00,
 114                 .bswap    = 1,
 115                 .yuv      = 1,
 116         },{
 117                 .name     = "4:2:2 packed, UYVY",
 118                 .fourcc   = V4L2_PIX_FMT_UYVY,
 119                 .depth    = 16,
 120                 .pm       = 0x00,
 121                 .yuv      = 1,
 122         },{
 123                 .name     = "4:2:2 planar, Y-Cb-Cr",
 124                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 125                 .depth    = 16,
 126                 .pm       = 0x09,
 127                 .yuv      = 1,
 128                 .planar   = 1,
 129                 .hshift   = 1,
 130                 .vshift   = 0,
 131         },{
 132                 .name     = "4:2:0 planar, Y-Cb-Cr",
 133                 .fourcc   = V4L2_PIX_FMT_YUV420,
 134                 .depth    = 12,
 135                 .pm       = 0x0a,
 136                 .yuv      = 1,
 137                 .planar   = 1,
 138                 .hshift   = 1,
 139                 .vshift   = 1,
 140         },{
 141                 .name     = "4:2:0 planar, Y-Cb-Cr",
 142                 .fourcc   = V4L2_PIX_FMT_YVU420,
 143                 .depth    = 12,
 144                 .pm       = 0x0a,
 145                 .yuv      = 1,
 146                 .planar   = 1,
 147                 .uvswap   = 1,
 148                 .hshift   = 1,
 149                 .vshift   = 1,
 150         }
 151 };
 152 #define FORMATS ARRAY_SIZE(formats)
 153
 154 #define NORM_625_50                     \
 155                 .h_start       = 0,     \
 156                 .h_stop        = 719,   \
 157                 .video_v_start = 24,    \
 158                 .video_v_stop  = 311,   \
 159                 .vbi_v_start_0 = 7,     \
 160                 .vbi_v_stop_0  = 22,    \
 161                 .vbi_v_start_1 = 319,   \
 162                 .src_timing    = 4
 163
 164 #define NORM_525_60                     \
 165                 .h_start       = 0,     \
 166                 .h_stop        = 703,   \
 167                 .video_v_start = 23,    \
 168                 .video_v_stop  = 262,   \
 169                 .vbi_v_start_0 = 10,    \
 170                 .vbi_v_stop_0  = 21,    \
 171                 .vbi_v_start_1 = 273,   \
 172                 .src_timing    = 7
 173
 174 static struct saa7134_tvnorm tvnorms[] = {
 175         {
 176                 .name          = "PAL", /* autodetect */
 177                 .id            = V4L2_STD_PAL,
 178                 NORM_625_50,
 179
 180                 .sync_control  = 0x18,
 181                 .luma_control  = 0x40,
 182                 .chroma_ctrl1  = 0x81,
 183                 .chroma_gain   = 0x2a,
 184                 .chroma_ctrl2  = 0x06,
 185                 .vgate_misc    = 0x1c,
 186
 187         },{
 188                 .name          = "PAL-BG",
 189                 .id            = V4L2_STD_PAL_BG,
 190                 NORM_625_50,
 191
 192                 .sync_control  = 0x18,
 193                 .luma_control  = 0x40,
 194                 .chroma_ctrl1  = 0x81,
 195                 .chroma_gain   = 0x2a,
 196                 .chroma_ctrl2  = 0x06,
 197                 .vgate_misc    = 0x1c,
 198
 199         },{
 200                 .name          = "PAL-I",
 201                 .id            = V4L2_STD_PAL_I,
 202                 NORM_625_50,
 203
 204                 .sync_control  = 0x18,
 205                 .luma_control  = 0x40,
 206                 .chroma_ctrl1  = 0x81,
 207                 .chroma_gain   = 0x2a,
 208                 .chroma_ctrl2  = 0x06,
 209                 .vgate_misc    = 0x1c,
 210
 211         },{
 212                 .name          = "PAL-DK",
 213                 .id            = V4L2_STD_PAL_DK,
 214                 NORM_625_50,
 215
 216                 .sync_control  = 0x18,
 217                 .luma_control  = 0x40,
 218                 .chroma_ctrl1  = 0x81,
 219                 .chroma_gain   = 0x2a,
 220                 .chroma_ctrl2  = 0x06,
 221                 .vgate_misc    = 0x1c,
 222
 223         },{
 224                 .name          = "NTSC",
 225                 .id            = V4L2_STD_NTSC,
 226                 NORM_525_60,
 227
 228                 .sync_control  = 0x59,
 229                 .luma_control  = 0x40,
 230                 .chroma_ctrl1  = 0x89,
 231                 .chroma_gain   = 0x2a,
 232                 .chroma_ctrl2  = 0x0e,
 233                 .vgate_misc    = 0x18,
 234
 235         },{
 236                 .name          = "SECAM",
 237                 .id            = V4L2_STD_SECAM,
 238                 NORM_625_50,
 239
 240                 .sync_control  = 0x18, /* old: 0x58, */
 241                 .luma_control  = 0x1b,
 242                 .chroma_ctrl1  = 0xd1,
 243                 .chroma_gain   = 0x80,
 244                 .chroma_ctrl2  = 0x00,
 245                 .vgate_misc    = 0x1c,
 246
 247         },{
 248                 .name          = "PAL-M",
 249                 .id            = V4L2_STD_PAL_M,
 250                 NORM_525_60,
 251
 252                 .sync_control  = 0x59,
 253                 .luma_control  = 0x40,
 254                 .chroma_ctrl1  = 0xb9,
 255                 .chroma_gain   = 0x2a,
 256                 .chroma_ctrl2  = 0x0e,
 257                 .vgate_misc    = 0x18,
 258
 259         },{
 260                 .name          = "PAL-Nc",
 261                 .id            = V4L2_STD_PAL_Nc,
 262                 NORM_625_50,
 263
 264                 .sync_control  = 0x18,
 265                 .luma_control  = 0x40,
 266                 .chroma_ctrl1  = 0xa1,
 267                 .chroma_gain   = 0x2a,
 268                 .chroma_ctrl2  = 0x06,
 269                 .vgate_misc    = 0x1c,
 270
 271         },{
 272                 .name          = "PAL-60",
 273                 .id            = V4L2_STD_PAL_60,
 274
 275                 .h_start       = 0,
 276                 .h_stop        = 719,
 277                 .video_v_start = 23,
 278                 .video_v_stop  = 262,
 279                 .vbi_v_start_0 = 10,
 280                 .vbi_v_stop_0  = 21,
 281                 .vbi_v_start_1 = 273,
 282                 .src_timing    = 7,
 283
 284                 .sync_control  = 0x18,
 285                 .luma_control  = 0x40,
 286                 .chroma_ctrl1  = 0x81,
 287                 .chroma_gain   = 0x2a,
 288                 .chroma_ctrl2  = 0x06,
 289                 .vgate_misc    = 0x1c,
 290         }
 291 };
 292 #define TVNORMS ARRAY_SIZE(tvnorms)
 293
 294 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 295 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 296 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 297 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 298 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 299
 300 static const struct v4l2_queryctrl no_ctrl = {
 301         .name  = "42",
 302         .flags = V4L2_CTRL_FLAG_DISABLED,
 303 };
 304 static const struct v4l2_queryctrl video_ctrls[] = {
 305         /* --- video --- */
 306         {
 307                 .id            = V4L2_CID_BRIGHTNESS,
 308                 .name          = "Brightness",
 309                 .minimum       = 0,
 310                 .maximum       = 255,
 311                 .step          = 1,
 312                 .default_value = 128,
 313                 .type          = V4L2_CTRL_TYPE_INTEGER,
 314         },{
 315                 .id            = V4L2_CID_CONTRAST,
 316                 .name          = "Contrast",
 317                 .minimum       = 0,
 318                 .maximum       = 127,
 319                 .step          = 1,
 320                 .default_value = 68,
 321                 .type          = V4L2_CTRL_TYPE_INTEGER,
 322         },{
 323                 .id            = V4L2_CID_SATURATION,
 324                 .name          = "Saturation",
 325                 .minimum       = 0,
 326                 .maximum       = 127,
 327                 .step          = 1,
 328                 .default_value = 64,
 329                 .type          = V4L2_CTRL_TYPE_INTEGER,
 330         },{
 331                 .id            = V4L2_CID_HUE,
 332                 .name          = "Hue",
 333                 .minimum       = -128,
 334                 .maximum       = 127,
 335                 .step          = 1,
 336                 .default_value = 0,
 337                 .type          = V4L2_CTRL_TYPE_INTEGER,
 338         },{
 339                 .id            = V4L2_CID_HFLIP,
 340                 .name          = "Mirror",
 341                 .minimum       = 0,
 342                 .maximum       = 1,
 343                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 344         },
 345         /* --- audio --- */
 346         {
 347                 .id            = V4L2_CID_AUDIO_MUTE,
 348                 .name          = "Mute",
 349                 .minimum       = 0,
 350                 .maximum       = 1,
 351                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 352         },{
 353                 .id            = V4L2_CID_AUDIO_VOLUME,
 354                 .name          = "Volume",
 355                 .minimum       = -15,
 356                 .maximum       = 15,
 357                 .step          = 1,
 358                 .default_value = 0,
 359                 .type          = V4L2_CTRL_TYPE_INTEGER,
 360         },
 361         /* --- private --- */
 362         {
 363                 .id            = V4L2_CID_PRIVATE_INVERT,
 364                 .name          = "Invert",
 365                 .minimum       = 0,
 366                 .maximum       = 1,
 367                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 368         },{
 369                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 370                 .name          = "y offset odd field",
 371                 .minimum       = 0,
 372                 .maximum       = 128,
 373                 .default_value = 0,
 374                 .type          = V4L2_CTRL_TYPE_INTEGER,
 375         },{
 376                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 377                 .name          = "y offset even field",
 378                 .minimum       = 0,
 379                 .maximum       = 128,
 380                 .default_value = 0,
 381                 .type          = V4L2_CTRL_TYPE_INTEGER,
 382         },{
 383                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 384                 .name          = "automute",
 385                 .minimum       = 0,
 386                 .maximum       = 1,
 387                 .default_value = 1,
 388                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 389         }
 390 };
 391 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 392
 393 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 394 {
 395         unsigned int i;
 396
 397         for (i = 0; i < CTRLS; i++)
 398                 if (video_ctrls[i].id == id)
 399                         return video_ctrls+i;
 400         return NULL;
 401 }
 402
 403 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 404 {
 405         unsigned int i;
 406
 407         for (i = 0; i < FORMATS; i++)
 408                 if (formats[i].fourcc == fourcc)
 409                         return formats+i;
 410         return NULL;
 411 }
 412
 413 /* ----------------------------------------------------------------------- */
 414 /* resource management                                                     */
 415
 416 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 417 {
 418         if (fh->resources & bit)
 419                 /* have it already allocated */
 420                 return 1;
 421
 422         /* is it free? */
 423         down(&dev->lock);
 424         if (dev->resources & bit) {
 425                 /* no, someone else uses it */
 426                 up(&dev->lock);
 427                 return 0;
 428         }
 429         /* it's free, grab it */
 430         fh->resources  |= bit;
 431         dev->resources |= bit;
 432         dprintk("res: get %d\n",bit);
 433         up(&dev->lock);
 434         return 1;
 435 }
 436
 437 static
 438 int res_check(struct saa7134_fh *fh, unsigned int bit)
 439 {
 440         return (fh->resources & bit);
 441 }
 442
 443 static
 444 int res_locked(struct saa7134_dev *dev, unsigned int bit)
 445 {
 446         return (dev->resources & bit);
 447 }
 448
 449 static
 450 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 451 {
 452         if ((fh->resources & bits) != bits)
 453                 BUG();
 454
 455         down(&dev->lock);
 456         fh->resources  &= ~bits;
 457         dev->resources &= ~bits;
 458         dprintk("res: put %d\n",bits);
 459         up(&dev->lock);
 460 }
 461
 462 /* ------------------------------------------------------------------ */
 463
 464 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 465 {
 466         int luma_control,sync_control,mux;
 467
 468         dprintk("set tv norm = %s\n",norm->name);
 469         dev->tvnorm = norm;
 470
 471         mux = card_in(dev,dev->ctl_input).vmux;
 472         luma_control = norm->luma_control;
 473         sync_control = norm->sync_control;
 474
 475         if (mux > 5)
 476                 luma_control |= 0x80; /* svideo */
 477         if (noninterlaced || dev->nosignal)
 478                 sync_control |= 0x20;
 479
 480         /* setup cropping */
 481         dev->crop_bounds.left    = norm->h_start;
 482         dev->crop_defrect.left   = norm->h_start;
 483         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 484         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 485
 486         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 487         dev->crop_defrect.top    = norm->video_v_start*2;
 488         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 489                 - dev->crop_bounds.top;
 490         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 491
 492         dev->crop_current = dev->crop_defrect;
 493
 494         /* setup video decoder */
 495         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 496         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 497         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 498
 499         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 500         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 501         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 502         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 503         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 504
 505         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 506         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 507         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 508         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,     dev->ctl_contrast);
 509
 510         saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
 511         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 512         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 513         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 514
 515         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 516         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 517
 518         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 519         saa_writeb(SAA7134_VGATE_START,           0x11);
 520         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 521         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 522         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 523         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 524
 525         saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
 526 }
 527
 528 static void video_mux(struct saa7134_dev *dev, int input)
 529 {
 530         dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
 531         dev->ctl_input = input;
 532         set_tvnorm(dev,dev->tvnorm);
 533         saa7134_tvaudio_setinput(dev,&card_in(dev,input));
 534 }
 535
 536 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 537 {
 538         static const struct {
 539                 int xpsc;
 540                 int xacl;
 541                 int xc2_1;
 542                 int xdcg;
 543                 int vpfy;
 544         } vals[] = {
 545                 /* XPSC XACL XC2_1 XDCG VPFY */
 546                 {    1,   0,    0,    0,   0 },
 547                 {    2,   2,    1,    2,   2 },
 548                 {    3,   4,    1,    3,   2 },
 549                 {    4,   8,    1,    4,   2 },
 550                 {    5,   8,    1,    4,   2 },
 551                 {    6,   8,    1,    4,   3 },
 552                 {    7,   8,    1,    4,   3 },
 553                 {    8,  15,    0,    4,   3 },
 554                 {    9,  15,    0,    4,   3 },
 555                 {   10,  16,    1,    5,   3 },
 556         };
 557         static const int count = ARRAY_SIZE(vals);
 558         int i;
 559
 560         for (i = 0; i < count; i++)
 561                 if (vals[i].xpsc == prescale)
 562                         break;
 563         if (i == count)
 564                 return;
 565
 566         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 567         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 568         saa_writeb(SAA7134_LEVEL_CTRL(task),
 569                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 570         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 571                    (vals[i].vpfy << 2) | vals[i].vpfy);
 572 }
 573
 574 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 575 {
 576         int val,mirror;
 577
 578         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 579         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 580
 581         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 582         if (yscale < 2048) {
 583                 /* LPI */
 584                 dprintk("yscale LPI yscale=%d\n",yscale);
 585                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 586                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 587                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 588         } else {
 589                 /* ACM */
 590                 val = 0x40 * 1024 / yscale;
 591                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 592                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 593                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 594                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 595         }
 596         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 597 }
 598
 599 static void set_size(struct saa7134_dev *dev, int task,
 600                      int width, int height, int interlace)
 601 {
 602         int prescale,xscale,yscale,y_even,y_odd;
 603         int h_start, h_stop, v_start, v_stop;
 604         int div = interlace ? 2 : 1;
 605
 606         /* setup video scaler */
 607         h_start = dev->crop_current.left;
 608         v_start = dev->crop_current.top/2;
 609         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 610         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 611
 612         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 613         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 614         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 615         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 616         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 617         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 618         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 619         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 620
 621         prescale = dev->crop_current.width / width;
 622         if (0 == prescale)
 623                 prescale = 1;
 624         xscale = 1024 * dev->crop_current.width / prescale / width;
 625         yscale = 512 * div * dev->crop_current.height / height;
 626         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 627         set_h_prescale(dev,task,prescale);
 628         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 629         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 630         set_v_scale(dev,task,yscale);
 631
 632         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 633         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 634         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 635         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 636
 637         /* deinterlace y offsets */
 638         y_odd  = dev->ctl_y_odd;
 639         y_even = dev->ctl_y_even;
 640         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 641         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 642         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 643         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 644 }
 645
 646 /* ------------------------------------------------------------------ */
 647
 648 struct cliplist {
 649         __u16 position;
 650         __u8  enable;
 651         __u8  disable;
 652 };
 653
 654 static void sort_cliplist(struct cliplist *cl, int entries)
 655 {
 656         struct cliplist swap;
 657         int i,j,n;
 658
 659         for (i = entries-2; i >= 0; i--) {
 660                 for (n = 0, j = 0; j <= i; j++) {
 661                         if (cl[j].position > cl[j+1].position) {
 662                                 swap = cl[j];
 663                                 cl[j] = cl[j+1];
 664                                 cl[j+1] = swap;
 665                                 n++;
 666                         }
 667                 }
 668                 if (0 == n)
 669                         break;
 670         }
 671 }
 672
 673 static void set_cliplist(struct saa7134_dev *dev, int reg,
 674                         struct cliplist *cl, int entries, char *name)
 675 {
 676         __u8 winbits = 0;
 677         int i;
 678
 679         for (i = 0; i < entries; i++) {
 680                 winbits |= cl[i].enable;
 681                 winbits &= ~cl[i].disable;
 682                 if (i < 15 && cl[i].position == cl[i+1].position)
 683                         continue;
 684                 saa_writeb(reg + 0, winbits);
 685                 saa_writeb(reg + 2, cl[i].position & 0xff);
 686                 saa_writeb(reg + 3, cl[i].position >> 8);
 687                 dprintk("clip: %s winbits=%02x pos=%d\n",
 688                         name,winbits,cl[i].position);
 689                 reg += 8;
 690         }
 691         for (; reg < 0x400; reg += 8) {
 692                 saa_writeb(reg+ 0, 0);
 693                 saa_writeb(reg + 1, 0);
 694                 saa_writeb(reg + 2, 0);
 695                 saa_writeb(reg + 3, 0);
 696         }
 697 }
 698
 699 static int clip_range(int val)
 700 {
 701         if (val < 0)
 702                 val = 0;
 703         return val;
 704 }
 705
 706 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 707                           int nclips, int interlace)
 708 {
 709         struct cliplist col[16], row[16];
 710         int cols, rows, i;
 711         int div = interlace ? 2 : 1;
 712
 713         memset(col,0,sizeof(col)); cols = 0;
 714         memset(row,0,sizeof(row)); rows = 0;
 715         for (i = 0; i < nclips && i < 8; i++) {
 716                 col[cols].position = clip_range(clips[i].c.left);
 717                 col[cols].enable   = (1 << i);
 718                 cols++;
 719                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 720                 col[cols].disable  = (1 << i);
 721                 cols++;
 722                 row[rows].position = clip_range(clips[i].c.top / div);
 723                 row[rows].enable   = (1 << i);
 724                 rows++;
 725                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 726                                                 / div);
 727                 row[rows].disable  = (1 << i);
 728                 rows++;
 729         }
 730         sort_cliplist(col,cols);
 731         sort_cliplist(row,rows);
 732         set_cliplist(dev,0x380,col,cols,"cols");
 733         set_cliplist(dev,0x384,row,rows,"rows");
 734         return 0;
 735 }
 736
 737 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 738 {
 739         enum v4l2_field field;
 740         int maxw, maxh;
 741
 742         if (NULL == dev->ovbuf.base)
 743                 return -EINVAL;
 744         if (NULL == dev->ovfmt)
 745                 return -EINVAL;
 746         if (win->w.width < 48 || win->w.height <  32)
 747                 return -EINVAL;
 748         if (win->clipcount > 2048)
 749                 return -EINVAL;
 750
 751         field = win->field;
 752         maxw  = dev->crop_current.width;
 753         maxh  = dev->crop_current.height;
 754
 755         if (V4L2_FIELD_ANY == field) {
 756                 field = (win->w.height > maxh/2)
 757                         ? V4L2_FIELD_INTERLACED
 758                         : V4L2_FIELD_TOP;
 759         }
 760         switch (field) {
 761         case V4L2_FIELD_TOP:
 762         case V4L2_FIELD_BOTTOM:
 763                 maxh = maxh / 2;
 764                 break;
 765         case V4L2_FIELD_INTERLACED:
 766                 break;
 767         default:
 768                 return -EINVAL;
 769         }
 770
 771         win->field = field;
 772         if (win->w.width > maxw)
 773                 win->w.width = maxw;
 774         if (win->w.height > maxh)
 775                 win->w.height = maxh;
 776         return 0;
 777 }
 778
 779 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 780 {
 781         unsigned long base,control,bpl;
 782         int err;
 783
 784         err = verify_preview(dev,&fh->win);
 785         if (0 != err)
 786                 return err;
 787
 788         dev->ovfield = fh->win.field;
 789         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 790                 fh->win.w.width,fh->win.w.height,
 791                 fh->win.w.left,fh->win.w.top,
 792                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 793
 794         /* setup window + clipping */
 795         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 796                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 797         setup_clipping(dev,fh->clips,fh->nclips,
 798                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 799         if (dev->ovfmt->yuv)
 800                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 801         else
 802                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 803         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 804
 805         /* dma: setup channel 1 (= Video Task B) */
 806         base  = (unsigned long)dev->ovbuf.base;
 807         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 808         base += dev->ovfmt->depth/8         * fh->win.w.left;
 809         bpl   = dev->ovbuf.fmt.bytesperline;
 810         control = SAA7134_RS_CONTROL_BURST_16;
 811         if (dev->ovfmt->bswap)
 812                 control |= SAA7134_RS_CONTROL_BSWAP;
 813         if (dev->ovfmt->wswap)
 814                 control |= SAA7134_RS_CONTROL_WSWAP;
 815         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 816                 saa_writel(SAA7134_RS_BA1(1),base);
 817                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 818                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 819                 saa_writel(SAA7134_RS_CONTROL(1),control);
 820         } else {
 821                 saa_writel(SAA7134_RS_BA1(1),base);
 822                 saa_writel(SAA7134_RS_BA2(1),base);
 823                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 824                 saa_writel(SAA7134_RS_CONTROL(1),control);
 825         }
 826
 827         /* start dma */
 828         dev->ovenable = 1;
 829         saa7134_set_dmabits(dev);
 830
 831         return 0;
 832 }
 833
 834 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 835 {
 836         dev->ovenable = 0;
 837         saa7134_set_dmabits(dev);
 838         return 0;
 839 }
 840
 841 /* ------------------------------------------------------------------ */
 842
 843 static int buffer_activate(struct saa7134_dev *dev,
 844                            struct saa7134_buf *buf,
 845                            struct saa7134_buf *next)
 846 {
 847         unsigned long base,control,bpl;
 848         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 849
 850         dprintk("buffer_activate buf=%p\n",buf);
 851         buf->vb.state = STATE_ACTIVE;
 852         buf->top_seen = 0;
 853
 854         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 855                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 856         if (buf->fmt->yuv)
 857                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 858         else
 859                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 860         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 861
 862         /* DMA: setup channel 0 (= Video Task A0) */
 863         base  = saa7134_buffer_base(buf);
 864         if (buf->fmt->planar)
 865                 bpl = buf->vb.width;
 866         else
 867                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 868         control = SAA7134_RS_CONTROL_BURST_16 |
 869                 SAA7134_RS_CONTROL_ME |
 870                 (buf->pt->dma >> 12);
 871         if (buf->fmt->bswap)
 872                 control |= SAA7134_RS_CONTROL_BSWAP;
 873         if (buf->fmt->wswap)
 874                 control |= SAA7134_RS_CONTROL_WSWAP;
 875         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 876                 /* interlaced */
 877                 saa_writel(SAA7134_RS_BA1(0),base);
 878                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 879                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 880         } else {
 881                 /* non-interlaced */
 882                 saa_writel(SAA7134_RS_BA1(0),base);
 883                 saa_writel(SAA7134_RS_BA2(0),base);
 884                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 885         }
 886         saa_writel(SAA7134_RS_CONTROL(0),control);
 887
 888         if (buf->fmt->planar) {
 889                 /* DMA: setup channel 4+5 (= planar task A) */
 890                 bpl_uv   = bpl >> buf->fmt->hshift;
 891                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 892                 base2    = base + bpl * buf->vb.height;
 893                 base3    = base2 + bpl_uv * lines_uv;
 894                 if (buf->fmt->uvswap)
 895                         tmp = base2, base2 = base3, base3 = tmp;
 896                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 897                         bpl_uv,lines_uv,base2,base3);
 898                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 899                         /* interlaced */
 900                         saa_writel(SAA7134_RS_BA1(4),base2);
 901                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 902                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 903                         saa_writel(SAA7134_RS_BA1(5),base3);
 904                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 905                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 906                 } else {
 907                         /* non-interlaced */
 908                         saa_writel(SAA7134_RS_BA1(4),base2);
 909                         saa_writel(SAA7134_RS_BA2(4),base2);
 910                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 911                         saa_writel(SAA7134_RS_BA1(5),base3);
 912                         saa_writel(SAA7134_RS_BA2(5),base3);
 913                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 914                 }
 915                 saa_writel(SAA7134_RS_CONTROL(4),control);
 916                 saa_writel(SAA7134_RS_CONTROL(5),control);
 917         }
 918
 919         /* start DMA */
 920         saa7134_set_dmabits(dev);
 921         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
 922         return 0;
 923 }
 924
 925 static int buffer_prepare(struct videobuf_queue *q,
 926                           struct videobuf_buffer *vb,
 927                           enum v4l2_field field)
 928 {
 929         struct saa7134_fh *fh = q->priv_data;
 930         struct saa7134_dev *dev = fh->dev;
 931         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
 932         unsigned int size;
 933         int err;
 934
 935         /* sanity checks */
 936         if (NULL == fh->fmt)
 937                 return -EINVAL;
 938         if (fh->width    < 48 ||
 939             fh->height   < 32 ||
 940             fh->width/4  > dev->crop_current.width  ||
 941             fh->height/4 > dev->crop_current.height ||
 942             fh->width    > dev->crop_bounds.width  ||
 943             fh->height   > dev->crop_bounds.height)
 944                 return -EINVAL;
 945         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 946         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
 947                 return -EINVAL;
 948
 949         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
 950                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
 951                 fh->fmt->name);
 952         if (buf->vb.width  != fh->width  ||
 953             buf->vb.height != fh->height ||
 954             buf->vb.size   != size       ||
 955             buf->vb.field  != field      ||
 956             buf->fmt       != fh->fmt) {
 957                 saa7134_dma_free(dev,buf);
 958         }
 959
 960         if (STATE_NEEDS_INIT == buf->vb.state) {
 961                 buf->vb.width  = fh->width;
 962                 buf->vb.height = fh->height;
 963                 buf->vb.size   = size;
 964                 buf->vb.field  = field;
 965                 buf->fmt       = fh->fmt;
 966                 buf->pt        = &fh->pt_cap;
 967
 968                 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
 969                 if (err)
 970                         goto oops;
 971                 err = saa7134_pgtable_build(dev->pci,buf->pt,
 972                                             buf->vb.dma.sglist,
 973                                             buf->vb.dma.sglen,
 974                                             saa7134_buffer_startpage(buf));
 975                 if (err)
 976                         goto oops;
 977         }
 978         buf->vb.state = STATE_PREPARED;
 979         buf->activate = buffer_activate;
 980         return 0;
 981
 982  oops:
 983         saa7134_dma_free(dev,buf);
 984         return err;
 985 }
 986
 987 static int
 988 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 989 {
 990         struct saa7134_fh *fh = q->priv_data;
 991
 992         *size = fh->fmt->depth * fh->width * fh->height >> 3;
 993         if (0 == *count)
 994                 *count = gbuffers;
 995         *count = saa7134_buffer_count(*size,*count);
 996         return 0;
 997 }
 998
 999 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1000 {
1001         struct saa7134_fh *fh = q->priv_data;
1002         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1003
1004         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1005 }
1006
1007 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1008 {
1009         struct saa7134_fh *fh = q->priv_data;
1010         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1011
1012         saa7134_dma_free(fh->dev,buf);
1013 }
1014
1015 static struct videobuf_queue_ops video_qops = {
1016         .buf_setup    = buffer_setup,
1017         .buf_prepare  = buffer_prepare,
1018         .buf_queue    = buffer_queue,
1019         .buf_release  = buffer_release,
1020 };
1021
1022 /* ------------------------------------------------------------------ */
1023
1024 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1025 {
1026         const struct v4l2_queryctrl* ctrl;
1027
1028         ctrl = ctrl_by_id(c->id);
1029         if (NULL == ctrl)
1030                 return -EINVAL;
1031         switch (c->id) {
1032         case V4L2_CID_BRIGHTNESS:
1033                 c->value = dev->ctl_bright;
1034                 break;
1035         case V4L2_CID_HUE:
1036                 c->value = dev->ctl_hue;
1037                 break;
1038         case V4L2_CID_CONTRAST:
1039                 c->value = dev->ctl_contrast;
1040                 break;
1041         case V4L2_CID_SATURATION:
1042                 c->value = dev->ctl_saturation;
1043                 break;
1044         case V4L2_CID_AUDIO_MUTE:
1045                 c->value = dev->ctl_mute;
1046                 break;
1047         case V4L2_CID_AUDIO_VOLUME:
1048                 c->value = dev->ctl_volume;
1049                 break;
1050         case V4L2_CID_PRIVATE_INVERT:
1051                 c->value = dev->ctl_invert;
1052                 break;
1053         case V4L2_CID_HFLIP:
1054                 c->value = dev->ctl_mirror;
1055                 break;
1056         case V4L2_CID_PRIVATE_Y_EVEN:
1057                 c->value = dev->ctl_y_even;
1058                 break;
1059         case V4L2_CID_PRIVATE_Y_ODD:
1060                 c->value = dev->ctl_y_odd;
1061                 break;
1062         case V4L2_CID_PRIVATE_AUTOMUTE:
1063                 c->value = dev->ctl_automute;
1064                 break;
1065         default:
1066                 return -EINVAL;
1067         }
1068         return 0;
1069 }
1070
1071 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1072                        struct v4l2_control *c)
1073 {
1074         const struct v4l2_queryctrl* ctrl;
1075         unsigned long flags;
1076         int restart_overlay = 0;
1077
1078         ctrl = ctrl_by_id(c->id);
1079         if (NULL == ctrl)
1080                 return -EINVAL;
1081         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1082         switch (ctrl->type) {
1083         case V4L2_CTRL_TYPE_BOOLEAN:
1084         case V4L2_CTRL_TYPE_MENU:
1085         case V4L2_CTRL_TYPE_INTEGER:
1086                 if (c->value < ctrl->minimum)
1087                         c->value = ctrl->minimum;
1088                 if (c->value > ctrl->maximum)
1089                         c->value = ctrl->maximum;
1090                 break;
1091         default:
1092                 /* nothing */;
1093         };
1094         switch (c->id) {
1095         case V4L2_CID_BRIGHTNESS:
1096                 dev->ctl_bright = c->value;
1097                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1098                 break;
1099         case V4L2_CID_HUE:
1100                 dev->ctl_hue = c->value;
1101                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1102                 break;
1103         case V4L2_CID_CONTRAST:
1104                 dev->ctl_contrast = c->value;
1105                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1106                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1107                 break;
1108         case V4L2_CID_SATURATION:
1109                 dev->ctl_saturation = c->value;
1110                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1111                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1112                 break;
1113         case V4L2_CID_AUDIO_MUTE:
1114                 dev->ctl_mute = c->value;
1115                 saa7134_tvaudio_setmute(dev);
1116                 break;
1117         case V4L2_CID_AUDIO_VOLUME:
1118                 dev->ctl_volume = c->value;
1119                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1120                 break;
1121         case V4L2_CID_PRIVATE_INVERT:
1122                 dev->ctl_invert = c->value;
1123                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1124                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1125                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1126                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1127                 break;
1128         case V4L2_CID_HFLIP:
1129                 dev->ctl_mirror = c->value;
1130                 restart_overlay = 1;
1131                 break;
1132         case V4L2_CID_PRIVATE_Y_EVEN:
1133                 dev->ctl_y_even = c->value;
1134                 restart_overlay = 1;
1135                 break;
1136         case V4L2_CID_PRIVATE_Y_ODD:
1137                 dev->ctl_y_odd = c->value;
1138                 restart_overlay = 1;
1139                 break;
1140         case V4L2_CID_PRIVATE_AUTOMUTE:
1141                 dev->ctl_automute = c->value;
1142                 if (dev->tda9887_conf) {
1143                         if (dev->ctl_automute)
1144                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1145                         else
1146                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1147                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1148                                                  &dev->tda9887_conf);
1149                 }
1150                 break;
1151         default:
1152                 return -EINVAL;
1153         }
1154         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1155                 spin_lock_irqsave(&dev->slock,flags);
1156                 stop_preview(dev,fh);
1157                 start_preview(dev,fh);
1158                 spin_unlock_irqrestore(&dev->slock,flags);
1159         }
1160         return 0;
1161 }
1162
1163 /* ------------------------------------------------------------------ */
1164
1165 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1166 {
1167         struct videobuf_queue* q = NULL;
1168
1169         switch (fh->type) {
1170         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1171                 q = &fh->cap;
1172                 break;
1173         case V4L2_BUF_TYPE_VBI_CAPTURE:
1174                 q = &fh->vbi;
1175                 break;
1176         default:
1177                 BUG();
1178         }
1179         return q;
1180 }
1181
1182 static int saa7134_resource(struct saa7134_fh *fh)
1183 {
1184         int res = 0;
1185
1186         switch (fh->type) {
1187         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1188                 res = RESOURCE_VIDEO;
1189                 break;
1190         case V4L2_BUF_TYPE_VBI_CAPTURE:
1191                 res = RESOURCE_VBI;
1192                 break;
1193         default:
1194                 BUG();
1195         }
1196         return res;
1197 }
1198
1199 static int video_open(struct inode *inode, struct file *file)
1200 {
1201         int minor = iminor(inode);
1202         struct saa7134_dev *h,*dev = NULL;
1203         struct saa7134_fh *fh;
1204         struct list_head *list;
1205         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1206         int radio = 0;
1207
1208         list_for_each(list,&saa7134_devlist) {
1209                 h = list_entry(list, struct saa7134_dev, devlist);
1210                 if (h->video_dev && (h->video_dev->minor == minor))
1211                         dev = h;
1212                 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1213                         radio = 1;
1214                         dev = h;
1215                 }
1216                 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1217                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1218                         dev = h;
1219                 }
1220         }
1221         if (NULL == dev)
1222                 return -ENODEV;
1223
1224         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1225                 v4l2_type_names[type]);
1226
1227         /* allocate + initialize per filehandle data */
1228         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1229         if (NULL == fh)
1230                 return -ENOMEM;
1231         memset(fh,0,sizeof(*fh));
1232         file->private_data = fh;
1233         fh->dev      = dev;
1234         fh->radio    = radio;
1235         fh->type     = type;
1236         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1237         fh->width    = 720;
1238         fh->height   = 576;
1239         v4l2_prio_open(&dev->prio,&fh->prio);
1240
1241         videobuf_queue_init(&fh->cap, &video_qops,
1242                             dev->pci, &dev->slock,
1243                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1244                             V4L2_FIELD_INTERLACED,
1245                             sizeof(struct saa7134_buf),
1246                             fh);
1247         videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1248                             dev->pci, &dev->slock,
1249                             V4L2_BUF_TYPE_VBI_CAPTURE,
1250                             V4L2_FIELD_SEQ_TB,
1251                             sizeof(struct saa7134_buf),
1252                             fh);
1253         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1254         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1255
1256         if (fh->radio) {
1257                 /* switch to radio mode */
1258                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1259                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL);
1260         } else {
1261                 /* switch to video/vbi mode */
1262                 video_mux(dev,dev->ctl_input);
1263         }
1264         return 0;
1265 }
1266
1267 static ssize_t
1268 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1269 {
1270         struct saa7134_fh *fh = file->private_data;
1271
1272         switch (fh->type) {
1273         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1274                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1275                         return -EBUSY;
1276                 return videobuf_read_one(saa7134_queue(fh),
1277                                          data, count, ppos,
1278                                          file->f_flags & O_NONBLOCK);
1279         case V4L2_BUF_TYPE_VBI_CAPTURE:
1280                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1281                         return -EBUSY;
1282                 return videobuf_read_stream(saa7134_queue(fh),
1283                                             data, count, ppos, 1,
1284                                             file->f_flags & O_NONBLOCK);
1285                 break;
1286         default:
1287                 BUG();
1288                 return 0;
1289         }
1290 }
1291
1292 static unsigned int
1293 video_poll(struct file *file, struct poll_table_struct *wait)
1294 {
1295         struct saa7134_fh *fh = file->private_data;
1296         struct videobuf_buffer *buf = NULL;
1297
1298         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1299                 return videobuf_poll_stream(file, &fh->vbi, wait);
1300
1301         if (res_check(fh,RESOURCE_VIDEO)) {
1302                 if (!list_empty(&fh->cap.stream))
1303                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1304         } else {
1305                 down(&fh->cap.lock);
1306                 if (UNSET == fh->cap.read_off) {
1307                         /* need to capture a new frame */
1308                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1309                                 up(&fh->cap.lock);
1310                                 return POLLERR;
1311                         }
1312                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1313                                 up(&fh->cap.lock);
1314                                 return POLLERR;
1315                         }
1316                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1317                         fh->cap.read_off = 0;
1318                 }
1319                 up(&fh->cap.lock);
1320                 buf = fh->cap.read_buf;
1321         }
1322
1323         if (!buf)
1324                 return POLLERR;
1325
1326         poll_wait(file, &buf->done, wait);
1327         if (buf->state == STATE_DONE ||
1328             buf->state == STATE_ERROR)
1329                 return POLLIN|POLLRDNORM;
1330         return 0;
1331 }
1332
1333 static int video_release(struct inode *inode, struct file *file)
1334 {
1335         struct saa7134_fh  *fh  = file->private_data;
1336         struct saa7134_dev *dev = fh->dev;
1337         unsigned long flags;
1338
1339         /* turn off overlay */
1340         if (res_check(fh, RESOURCE_OVERLAY)) {
1341                 spin_lock_irqsave(&dev->slock,flags);
1342                 stop_preview(dev,fh);
1343                 spin_unlock_irqrestore(&dev->slock,flags);
1344                 res_free(dev,fh,RESOURCE_OVERLAY);
1345         }
1346
1347         /* stop video capture */
1348         if (res_check(fh, RESOURCE_VIDEO)) {
1349                 videobuf_streamoff(&fh->cap);
1350                 res_free(dev,fh,RESOURCE_VIDEO);
1351         }
1352         if (fh->cap.read_buf) {
1353                 buffer_release(&fh->cap,fh->cap.read_buf);
1354                 kfree(fh->cap.read_buf);
1355         }
1356
1357         /* stop vbi capture */
1358         if (res_check(fh, RESOURCE_VBI)) {
1359                 if (fh->vbi.streaming)
1360                         videobuf_streamoff(&fh->vbi);
1361                 if (fh->vbi.reading)
1362                         videobuf_read_stop(&fh->vbi);
1363                 res_free(dev,fh,RESOURCE_VBI);
1364         }
1365
1366         /* free stuff */
1367         videobuf_mmap_free(&fh->cap);
1368         videobuf_mmap_free(&fh->vbi);
1369         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1370         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1371
1372         v4l2_prio_close(&dev->prio,&fh->prio);
1373         file->private_data = NULL;
1374         kfree(fh);
1375         return 0;
1376 }
1377
1378 static int
1379 video_mmap(struct file *file, struct vm_area_struct * vma)
1380 {
1381         struct saa7134_fh *fh = file->private_data;
1382
1383         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1384 }
1385
1386 /* ------------------------------------------------------------------ */
1387
1388 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1389 {
1390         struct saa7134_tvnorm *norm = dev->tvnorm;
1391
1392         f->fmt.vbi.sampling_rate = 6750000 * 4;
1393         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1394         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1395         f->fmt.vbi.offset = 64 * 4;
1396         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1397         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1398         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1399         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1400         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1401
1402 #if 0
1403         if (V4L2_STD_PAL == norm->id) {
1404                 /* FIXME */
1405                 f->fmt.vbi.start[0] += 3;
1406                 f->fmt.vbi.start[1] += 3*2;
1407         }
1408 #endif
1409 }
1410
1411 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1412                          struct v4l2_format *f)
1413 {
1414         switch (f->type) {
1415         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1416                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1417                 f->fmt.pix.width        = fh->width;
1418                 f->fmt.pix.height       = fh->height;
1419                 f->fmt.pix.field        = fh->cap.field;
1420                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1421                 f->fmt.pix.bytesperline =
1422                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1423                 f->fmt.pix.sizeimage =
1424                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1425                 return 0;
1426         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1427                 f->fmt.win = fh->win;
1428                 return 0;
1429         case V4L2_BUF_TYPE_VBI_CAPTURE:
1430                 saa7134_vbi_fmt(dev,f);
1431                 return 0;
1432         default:
1433                 return -EINVAL;
1434         }
1435 }
1436
1437 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1438                            struct v4l2_format *f)
1439 {
1440         int err;
1441
1442         switch (f->type) {
1443         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1444         {
1445                 struct saa7134_format *fmt;
1446                 enum v4l2_field field;
1447                 unsigned int maxw, maxh;
1448
1449                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1450                 if (NULL == fmt)
1451                         return -EINVAL;
1452
1453                 field = f->fmt.pix.field;
1454                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1455                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1456
1457                 if (V4L2_FIELD_ANY == field) {
1458                         field = (f->fmt.pix.height > maxh/2)
1459                                 ? V4L2_FIELD_INTERLACED
1460                                 : V4L2_FIELD_BOTTOM;
1461                 }
1462                 switch (field) {
1463                 case V4L2_FIELD_TOP:
1464                 case V4L2_FIELD_BOTTOM:
1465                         maxh = maxh / 2;
1466                         break;
1467                 case V4L2_FIELD_INTERLACED:
1468                         break;
1469                 default:
1470                         return -EINVAL;
1471                 }
1472
1473                 f->fmt.pix.field = field;
1474                 if (f->fmt.pix.width  < 48)
1475                         f->fmt.pix.width  = 48;
1476                 if (f->fmt.pix.height < 32)
1477                         f->fmt.pix.height = 32;
1478                 if (f->fmt.pix.width > maxw)
1479                         f->fmt.pix.width = maxw;
1480                 if (f->fmt.pix.height > maxh)
1481                         f->fmt.pix.height = maxh;
1482                 f->fmt.pix.width &= ~0x03;
1483                 f->fmt.pix.bytesperline =
1484                         (f->fmt.pix.width * fmt->depth) >> 3;
1485                 f->fmt.pix.sizeimage =
1486                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1487
1488                 return 0;
1489         }
1490         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1491                 err = verify_preview(dev,&f->fmt.win);
1492                 if (0 != err)
1493                         return err;
1494                 return 0;
1495         case V4L2_BUF_TYPE_VBI_CAPTURE:
1496                 saa7134_vbi_fmt(dev,f);
1497                 return 0;
1498         default:
1499                 return -EINVAL;
1500         }
1501 }
1502
1503 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1504                          struct v4l2_format *f)
1505 {
1506         unsigned long flags;
1507         int err;
1508
1509         switch (f->type) {
1510         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1511                 err = saa7134_try_fmt(dev,fh,f);
1512                 if (0 != err)
1513                         return err;
1514
1515                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1516                 fh->width     = f->fmt.pix.width;
1517                 fh->height    = f->fmt.pix.height;
1518                 fh->cap.field = f->fmt.pix.field;
1519                 return 0;
1520         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1521                 err = verify_preview(dev,&f->fmt.win);
1522                 if (0 != err)
1523                         return err;
1524
1525                 down(&dev->lock);
1526                 fh->win    = f->fmt.win;
1527                 fh->nclips = f->fmt.win.clipcount;
1528                 if (fh->nclips > 8)
1529                         fh->nclips = 8;
1530                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1531                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1532                         up(&dev->lock);
1533                         return -EFAULT;
1534                 }
1535
1536                 if (res_check(fh, RESOURCE_OVERLAY)) {
1537                         spin_lock_irqsave(&dev->slock,flags);
1538                         stop_preview(dev,fh);
1539                         start_preview(dev,fh);
1540                         spin_unlock_irqrestore(&dev->slock,flags);
1541                 }
1542                 up(&dev->lock);
1543                 return 0;
1544         case V4L2_BUF_TYPE_VBI_CAPTURE:
1545                 saa7134_vbi_fmt(dev,f);
1546                 return 0;
1547         default:
1548                 return -EINVAL;
1549         }
1550 }
1551
1552 int saa7134_common_ioctl(struct saa7134_dev *dev,
1553                          unsigned int cmd, void *arg)
1554 {
1555         int err;
1556
1557         switch (cmd) {
1558         case VIDIOC_QUERYCTRL:
1559         {
1560                 const struct v4l2_queryctrl *ctrl;
1561                 struct v4l2_queryctrl *c = arg;
1562
1563                 if ((c->id <  V4L2_CID_BASE ||
1564                      c->id >= V4L2_CID_LASTP1) &&
1565                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1566                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1567                         return -EINVAL;
1568                 ctrl = ctrl_by_id(c->id);
1569                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1570                 return 0;
1571         }
1572         case VIDIOC_G_CTRL:
1573                 return get_control(dev,arg);
1574         case VIDIOC_S_CTRL:
1575         {
1576                 down(&dev->lock);
1577                 err = set_control(dev,NULL,arg);
1578                 up(&dev->lock);
1579                 return err;
1580         }
1581         /* --- input switching --------------------------------------- */
1582         case VIDIOC_ENUMINPUT:
1583         {
1584                 struct v4l2_input *i = arg;
1585                 unsigned int n;
1586
1587                 n = i->index;
1588                 if (n >= SAA7134_INPUT_MAX)
1589                         return -EINVAL;
1590                 if (NULL == card_in(dev,i->index).name)
1591                         return -EINVAL;
1592                 memset(i,0,sizeof(*i));
1593                 i->index = n;
1594                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1595                 strcpy(i->name,card_in(dev,n).name);
1596                 if (card_in(dev,n).tv)
1597                         i->type = V4L2_INPUT_TYPE_TUNER;
1598                 i->audioset = 1;
1599                 if (n == dev->ctl_input) {
1600                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1601                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1602
1603                         if (0 != (v1 & 0x40))
1604                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1605                         if (0 != (v2 & 0x40))
1606                                 i->status |= V4L2_IN_ST_NO_SYNC;
1607                         if (0 != (v2 & 0x0e))
1608                                 i->status |= V4L2_IN_ST_MACROVISION;
1609                 }
1610                 for (n = 0; n < TVNORMS; n++)
1611                         i->std |= tvnorms[n].id;
1612                 return 0;
1613         }
1614         case VIDIOC_G_INPUT:
1615         {
1616                 int *i = arg;
1617                 *i = dev->ctl_input;
1618                 return 0;
1619         }
1620         case VIDIOC_S_INPUT:
1621         {
1622                 int *i = arg;
1623
1624                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1625                         return -EINVAL;
1626                 if (NULL == card_in(dev,*i).name)
1627                         return -EINVAL;
1628                 down(&dev->lock);
1629                 video_mux(dev,*i);
1630                 up(&dev->lock);
1631                 return 0;
1632         }
1633
1634         }
1635         return 0;
1636 }
1637 EXPORT_SYMBOL(saa7134_common_ioctl);
1638
1639 /*
1640  * This function is _not_ called directly, but from
1641  * video_generic_ioctl (and maybe others).  userspace
1642  * copying is done already, arg is a kernel pointer.
1643  */
1644 static int video_do_ioctl(struct inode *inode, struct file *file,
1645                           unsigned int cmd, void *arg)
1646 {
1647         struct saa7134_fh *fh = file->private_data;
1648         struct saa7134_dev *dev = fh->dev;
1649         unsigned long flags;
1650         int err;
1651
1652         if (video_debug > 1)
1653                 saa7134_print_ioctl(dev->name,cmd);
1654
1655         switch (cmd) {
1656         case VIDIOC_S_CTRL:
1657         case VIDIOC_S_STD:
1658         case VIDIOC_S_INPUT:
1659         case VIDIOC_S_TUNER:
1660         case VIDIOC_S_FREQUENCY:
1661                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1662                 if (0 != err)
1663                         return err;
1664         }
1665
1666         switch (cmd) {
1667         case VIDIOC_QUERYCAP:
1668         {
1669                 struct v4l2_capability *cap = arg;
1670
1671                 memset(cap,0,sizeof(*cap));
1672                 strcpy(cap->driver, "saa7134");
1673                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1674                         sizeof(cap->card));
1675                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1676                 cap->version = SAA7134_VERSION_CODE;
1677                 cap->capabilities =
1678                         V4L2_CAP_VIDEO_CAPTURE |
1679                         V4L2_CAP_VIDEO_OVERLAY |
1680                         V4L2_CAP_VBI_CAPTURE |
1681                         V4L2_CAP_TUNER |
1682                         V4L2_CAP_READWRITE |
1683                         V4L2_CAP_STREAMING;
1684                 return 0;
1685         }
1686
1687         /* --- tv standards ------------------------------------------ */
1688         case VIDIOC_ENUMSTD:
1689         {
1690                 struct v4l2_standard *e = arg;
1691                 unsigned int i;
1692
1693                 i = e->index;
1694                 if (i >= TVNORMS)
1695                         return -EINVAL;
1696                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1697                                                tvnorms[e->index].name);
1698                 e->index = i;
1699                 if (err < 0)
1700                         return err;
1701                 return 0;
1702         }
1703         case VIDIOC_G_STD:
1704         {
1705                 v4l2_std_id *id = arg;
1706
1707                 *id = dev->tvnorm->id;
1708                 return 0;
1709         }
1710         case VIDIOC_S_STD:
1711         {
1712                 v4l2_std_id *id = arg;
1713                 unsigned int i;
1714
1715                 for (i = 0; i < TVNORMS; i++)
1716                         if (*id == tvnorms[i].id)
1717                                 break;
1718                 if (i == TVNORMS)
1719                         for (i = 0; i < TVNORMS; i++)
1720                                 if (*id & tvnorms[i].id)
1721                                         break;
1722                 if (i == TVNORMS)
1723                         return -EINVAL;
1724
1725                 down(&dev->lock);
1726                 if (res_check(fh, RESOURCE_OVERLAY)) {
1727                         spin_lock_irqsave(&dev->slock,flags);
1728                         stop_preview(dev,fh);
1729                         set_tvnorm(dev,&tvnorms[i]);
1730                         start_preview(dev,fh);
1731                         spin_unlock_irqrestore(&dev->slock,flags);
1732                 } else
1733                         set_tvnorm(dev,&tvnorms[i]);
1734                 saa7134_tvaudio_do_scan(dev);
1735                 up(&dev->lock);
1736                 return 0;
1737         }
1738
1739         case VIDIOC_CROPCAP:
1740         {
1741                 struct v4l2_cropcap *cap = arg;
1742
1743                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1744                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1745                         return -EINVAL;
1746                 cap->bounds  = dev->crop_bounds;
1747                 cap->defrect = dev->crop_defrect;
1748                 cap->pixelaspect.numerator   = 1;
1749                 cap->pixelaspect.denominator = 1;
1750                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1751                         cap->pixelaspect.numerator   = 11;
1752                         cap->pixelaspect.denominator = 10;
1753                 }
1754                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1755                         cap->pixelaspect.numerator   = 54;
1756                         cap->pixelaspect.denominator = 59;
1757                 }
1758                 return 0;
1759         }
1760
1761         case VIDIOC_G_CROP:
1762         {
1763                 struct v4l2_crop * crop = arg;
1764
1765                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1766                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1767                         return -EINVAL;
1768                 crop->c = dev->crop_current;
1769                 return 0;
1770         }
1771         case VIDIOC_S_CROP:
1772         {
1773                 struct v4l2_crop *crop = arg;
1774                 struct v4l2_rect *b = &dev->crop_bounds;
1775
1776                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1777                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1778                         return -EINVAL;
1779                 if (crop->c.height < 0)
1780                         return -EINVAL;
1781                 if (crop->c.width < 0)
1782                         return -EINVAL;
1783
1784                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1785                         return -EBUSY;
1786                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1787                         return -EBUSY;
1788
1789                 if (crop->c.top < b->top)
1790                         crop->c.top = b->top;
1791                 if (crop->c.top > b->top + b->height)
1792                         crop->c.top = b->top + b->height;
1793                 if (crop->c.height > b->top - crop->c.top + b->height)
1794                         crop->c.height = b->top - crop->c.top + b->height;
1795
1796                 if (crop->c.left < b->left)
1797                         crop->c.top = b->left;
1798                 if (crop->c.left > b->left + b->width)
1799                         crop->c.top = b->left + b->width;
1800                 if (crop->c.width > b->left - crop->c.left + b->width)
1801                         crop->c.width = b->left - crop->c.left + b->width;
1802
1803                 dev->crop_current = crop->c;
1804                 return 0;
1805         }
1806
1807         /* --- tuner ioctls ------------------------------------------ */
1808         case VIDIOC_G_TUNER:
1809         {
1810                 struct v4l2_tuner *t = arg;
1811                 int n;
1812
1813                 if (0 != t->index)
1814                         return -EINVAL;
1815                 memset(t,0,sizeof(*t));
1816                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1817                         if (card_in(dev,n).tv)
1818                                 break;
1819                 if (NULL != card_in(dev,n).name) {
1820                         strcpy(t->name, "Television");
1821                         t->capability = V4L2_TUNER_CAP_NORM |
1822                                 V4L2_TUNER_CAP_STEREO |
1823                                 V4L2_TUNER_CAP_LANG1 |
1824                                 V4L2_TUNER_CAP_LANG2;
1825                         t->rangehigh = 0xffffffffUL;
1826                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1827                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1828                 }
1829                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1830                         t->signal = 0xffff;
1831                 return 0;
1832         }
1833         case VIDIOC_S_TUNER:
1834         {
1835                 struct v4l2_tuner *t = arg;
1836                 int rx,mode;
1837
1838                 mode = dev->thread.mode;
1839                 if (UNSET == mode) {
1840                         rx   = saa7134_tvaudio_getstereo(dev);
1841                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1842                 }
1843                 if (mode != t->audmode) {
1844                         dev->thread.mode = t->audmode;
1845                 }
1846                 return 0;
1847         }
1848         case VIDIOC_G_FREQUENCY:
1849         {
1850                 struct v4l2_frequency *f = arg;
1851
1852                 memset(f,0,sizeof(*f));
1853                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1854                 f->frequency = dev->ctl_freq;
1855                 return 0;
1856         }
1857         case VIDIOC_S_FREQUENCY:
1858         {
1859                 struct v4l2_frequency *f = arg;
1860
1861                 if (0 != f->tuner)
1862                         return -EINVAL;
1863                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1864                         return -EINVAL;
1865                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1866                         return -EINVAL;
1867                 down(&dev->lock);
1868                 dev->ctl_freq = f->frequency;
1869
1870                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1871
1872                 saa7134_tvaudio_do_scan(dev);
1873                 up(&dev->lock);
1874                 return 0;
1875         }
1876
1877         /* --- control ioctls ---------------------------------------- */
1878         case VIDIOC_ENUMINPUT:
1879         case VIDIOC_G_INPUT:
1880         case VIDIOC_S_INPUT:
1881         case VIDIOC_QUERYCTRL:
1882         case VIDIOC_G_CTRL:
1883         case VIDIOC_S_CTRL:
1884                 return saa7134_common_ioctl(dev, cmd, arg);
1885
1886         case VIDIOC_G_AUDIO:
1887         {
1888                 struct v4l2_audio *a = arg;
1889
1890                 memset(a,0,sizeof(*a));
1891                 strcpy(a->name,"audio");
1892                 return 0;
1893         }
1894         case VIDIOC_S_AUDIO:
1895                 return 0;
1896         case VIDIOC_G_PARM:
1897         {
1898                 struct v4l2_captureparm *parm = arg;
1899                 memset(parm,0,sizeof(*parm));
1900                 return 0;
1901         }
1902
1903         case VIDIOC_G_PRIORITY:
1904         {
1905                 enum v4l2_priority *p = arg;
1906
1907                 *p = v4l2_prio_max(&dev->prio);
1908                 return 0;
1909         }
1910         case VIDIOC_S_PRIORITY:
1911         {
1912                 enum v4l2_priority *prio = arg;
1913
1914                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1915         }
1916
1917         /* --- preview ioctls ---------------------------------------- */
1918         case VIDIOC_ENUM_FMT:
1919         {
1920                 struct v4l2_fmtdesc *f = arg;
1921                 enum v4l2_buf_type type;
1922                 unsigned int index;
1923
1924                 index = f->index;
1925                 type  = f->type;
1926                 switch (type) {
1927                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1928                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1929                         if (index >= FORMATS)
1930                                 return -EINVAL;
1931                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1932                             formats[index].planar)
1933                                 return -EINVAL;
1934                         memset(f,0,sizeof(*f));
1935                         f->index = index;
1936                         f->type  = type;
1937                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1938                         f->pixelformat = formats[index].fourcc;
1939                         break;
1940                 case V4L2_BUF_TYPE_VBI_CAPTURE:
1941                         if (0 != index)
1942                                 return -EINVAL;
1943                         memset(f,0,sizeof(*f));
1944                         f->index = index;
1945                         f->type  = type;
1946                         f->pixelformat = V4L2_PIX_FMT_GREY;
1947                         strcpy(f->description,"vbi data");
1948                         break;
1949                 default:
1950                         return -EINVAL;
1951                 }
1952                 return 0;
1953         }
1954         case VIDIOC_G_FBUF:
1955         {
1956                 struct v4l2_framebuffer *fb = arg;
1957
1958                 *fb = dev->ovbuf;
1959                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1960                 return 0;
1961         }
1962         case VIDIOC_S_FBUF:
1963         {
1964                 struct v4l2_framebuffer *fb = arg;
1965                 struct saa7134_format *fmt;
1966
1967                 if(!capable(CAP_SYS_ADMIN) &&
1968                    !capable(CAP_SYS_RAWIO))
1969                         return -EPERM;
1970
1971                 /* check args */
1972                 fmt = format_by_fourcc(fb->fmt.pixelformat);
1973                 if (NULL == fmt)
1974                         return -EINVAL;
1975
1976                 /* ok, accept it */
1977                 dev->ovbuf = *fb;
1978                 dev->ovfmt = fmt;
1979                 if (0 == dev->ovbuf.fmt.bytesperline)
1980                         dev->ovbuf.fmt.bytesperline =
1981                                 dev->ovbuf.fmt.width*fmt->depth/8;
1982                 return 0;
1983         }
1984         case VIDIOC_OVERLAY:
1985         {
1986                 int *on = arg;
1987
1988                 if (*on) {
1989                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
1990                                 return -EBUSY;
1991                         spin_lock_irqsave(&dev->slock,flags);
1992                         start_preview(dev,fh);
1993                         spin_unlock_irqrestore(&dev->slock,flags);
1994                 }
1995                 if (!*on) {
1996                         if (!res_check(fh, RESOURCE_OVERLAY))
1997                                 return -EINVAL;
1998                         spin_lock_irqsave(&dev->slock,flags);
1999                         stop_preview(dev,fh);
2000                         spin_unlock_irqrestore(&dev->slock,flags);
2001                         res_free(dev,fh,RESOURCE_OVERLAY);
2002                 }
2003                 return 0;
2004         }
2005
2006         /* --- capture ioctls ---------------------------------------- */
2007         case VIDIOC_G_FMT:
2008         {
2009                 struct v4l2_format *f = arg;
2010                 return saa7134_g_fmt(dev,fh,f);
2011         }
2012         case VIDIOC_S_FMT:
2013         {
2014                 struct v4l2_format *f = arg;
2015                 return saa7134_s_fmt(dev,fh,f);
2016         }
2017         case VIDIOC_TRY_FMT:
2018         {
2019                 struct v4l2_format *f = arg;
2020                 return saa7134_try_fmt(dev,fh,f);
2021         }
2022
2023         case VIDIOCGMBUF:
2024         {
2025                 struct video_mbuf *mbuf = arg;
2026                 struct videobuf_queue *q;
2027                 struct v4l2_requestbuffers req;
2028                 unsigned int i;
2029
2030                 q = saa7134_queue(fh);
2031                 memset(&req,0,sizeof(req));
2032                 req.type   = q->type;
2033                 req.count  = gbuffers;
2034                 req.memory = V4L2_MEMORY_MMAP;
2035                 err = videobuf_reqbufs(q,&req);
2036                 if (err < 0)
2037                         return err;
2038                 memset(mbuf,0,sizeof(*mbuf));
2039                 mbuf->frames = req.count;
2040                 mbuf->size   = 0;
2041                 for (i = 0; i < mbuf->frames; i++) {
2042                         mbuf->offsets[i]  = q->bufs[i]->boff;
2043                         mbuf->size       += q->bufs[i]->bsize;
2044                 }
2045                 return 0;
2046         }
2047         case VIDIOC_REQBUFS:
2048                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2049
2050         case VIDIOC_QUERYBUF:
2051                 return videobuf_querybuf(saa7134_queue(fh),arg);
2052
2053         case VIDIOC_QBUF:
2054                 return videobuf_qbuf(saa7134_queue(fh),arg);
2055
2056         case VIDIOC_DQBUF:
2057                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2058                                       file->f_flags & O_NONBLOCK);
2059
2060         case VIDIOC_STREAMON:
2061         {
2062                 int res = saa7134_resource(fh);
2063
2064                 if (!res_get(dev,fh,res))
2065                         return -EBUSY;
2066                 return videobuf_streamon(saa7134_queue(fh));
2067         }
2068         case VIDIOC_STREAMOFF:
2069         {
2070                 int res = saa7134_resource(fh);
2071
2072                 err = videobuf_streamoff(saa7134_queue(fh));
2073                 if (err < 0)
2074                         return err;
2075                 res_free(dev,fh,res);
2076                 return 0;
2077         }
2078
2079         default:
2080                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2081                                                   video_do_ioctl);
2082         }
2083         return 0;
2084 }
2085
2086 static int video_ioctl(struct inode *inode, struct file *file,
2087                        unsigned int cmd, unsigned long arg)
2088 {
2089         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2090 }
2091
2092 static int radio_do_ioctl(struct inode *inode, struct file *file,
2093                           unsigned int cmd, void *arg)
2094 {
2095         struct saa7134_fh *fh = file->private_data;
2096         struct saa7134_dev *dev = fh->dev;
2097
2098         if (video_debug > 1)
2099                 saa7134_print_ioctl(dev->name,cmd);
2100         switch (cmd) {
2101         case VIDIOC_QUERYCAP:
2102         {
2103                 struct v4l2_capability *cap = arg;
2104
2105                 memset(cap,0,sizeof(*cap));
2106                 strcpy(cap->driver, "saa7134");
2107                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2108                         sizeof(cap->card));
2109                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2110                 cap->version = SAA7134_VERSION_CODE;
2111                 cap->capabilities = V4L2_CAP_TUNER;
2112                 return 0;
2113         }
2114         case VIDIOC_G_TUNER:
2115         {
2116                 struct v4l2_tuner *t = arg;
2117
2118                 if (0 != t->index)
2119                         return -EINVAL;
2120
2121                 memset(t,0,sizeof(*t));
2122                 strcpy(t->name, "Radio");
2123                 t->rangelow  = (int)(65*16);
2124                 t->rangehigh = (int)(108*16);
2125
2126                 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2127
2128                 return 0;
2129         }
2130         case VIDIOC_S_TUNER:
2131         {
2132                 struct v4l2_tuner *t = arg;
2133
2134                 if (0 != t->index)
2135                         return -EINVAL;
2136
2137                 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2138
2139                 return 0;
2140         }
2141         case VIDIOC_ENUMINPUT:
2142         {
2143                 struct v4l2_input *i = arg;
2144
2145                 if (i->index != 0)
2146                         return -EINVAL;
2147                 strcpy(i->name,"Radio");
2148                 i->type = V4L2_INPUT_TYPE_TUNER;
2149                 return 0;
2150         }
2151         case VIDIOC_G_INPUT:
2152         {
2153                 int *i = arg;
2154                 *i = 0;
2155                 return 0;
2156         }
2157         case VIDIOC_G_AUDIO:
2158         {
2159                 struct v4l2_audio *a = arg;
2160
2161                 memset(a,0,sizeof(*a));
2162                 strcpy(a->name,"Radio");
2163                 return 0;
2164         }
2165         case VIDIOC_G_STD:
2166         {
2167                 v4l2_std_id *id = arg;
2168                 *id = 0;
2169                 return 0;
2170         }
2171         case VIDIOC_S_AUDIO:
2172         case VIDIOC_S_INPUT:
2173         case VIDIOC_S_STD:
2174                 return 0;
2175
2176         case VIDIOC_QUERYCTRL:
2177         {
2178                 const struct v4l2_queryctrl *ctrl;
2179                 struct v4l2_queryctrl *c = arg;
2180
2181                 if (c->id <  V4L2_CID_BASE ||
2182                     c->id >= V4L2_CID_LASTP1)
2183                         return -EINVAL;
2184                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2185                         ctrl = ctrl_by_id(c->id);
2186                         *c = *ctrl;
2187                 } else
2188                         *c = no_ctrl;
2189                 return 0;
2190         }
2191
2192         case VIDIOC_G_CTRL:
2193         case VIDIOC_S_CTRL:
2194         case VIDIOC_G_FREQUENCY:
2195         case VIDIOC_S_FREQUENCY:
2196                 return video_do_ioctl(inode,file,cmd,arg);
2197
2198         default:
2199                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2200                                                   radio_do_ioctl);
2201         }
2202         return 0;
2203 }
2204
2205 static int radio_ioctl(struct inode *inode, struct file *file,
2206                        unsigned int cmd, unsigned long arg)
2207 {
2208         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2209 }
2210
2211 static struct file_operations video_fops =
2212 {
2213         .owner    = THIS_MODULE,
2214         .open     = video_open,
2215         .release  = video_release,
2216         .read     = video_read,
2217         .poll     = video_poll,
2218         .mmap     = video_mmap,
2219         .ioctl    = video_ioctl,
2220         .llseek   = no_llseek,
2221 };
2222
2223 static struct file_operations radio_fops =
2224 {
2225         .owner    = THIS_MODULE,
2226         .open     = video_open,
2227         .release  = video_release,
2228         .ioctl    = radio_ioctl,
2229         .llseek   = no_llseek,
2230 };
2231
2232 /* ----------------------------------------------------------- */
2233 /* exported stuff                                              */
2234
2235 struct video_device saa7134_video_template =
2236 {
2237         .name          = "saa7134-video",
2238         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2239                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2240         .hardware      = 0,
2241         .fops          = &video_fops,
2242         .minor         = -1,
2243 };
2244
2245 struct video_device saa7134_vbi_template =
2246 {
2247         .name          = "saa7134-vbi",
2248         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2249         .hardware      = 0,
2250         .fops          = &video_fops,
2251         .minor         = -1,
2252 };
2253
2254 struct video_device saa7134_radio_template =
2255 {
2256         .name          = "saa7134-radio",
2257         .type          = VID_TYPE_TUNER,
2258         .hardware      = 0,
2259         .fops          = &radio_fops,
2260         .minor         = -1,
2261 };
2262
2263 int saa7134_video_init1(struct saa7134_dev *dev)
2264 {
2265         /* sanitycheck insmod options */
2266         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2267                 gbuffers = 2;
2268         if (gbufsize < 0 || gbufsize > gbufsize_max)
2269                 gbufsize = gbufsize_max;
2270         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2271
2272         /* put some sensible defaults into the data structures ... */
2273         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2274         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2275         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2276         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2277         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2278         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2279         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2280         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2281
2282         if (dev->tda9887_conf && dev->ctl_automute)
2283                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2284         dev->automute       = 0;
2285
2286         INIT_LIST_HEAD(&dev->video_q.queue);
2287         init_timer(&dev->video_q.timeout);
2288         dev->video_q.timeout.function = saa7134_buffer_timeout;
2289         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2290         dev->video_q.dev              = dev;
2291
2292         if (saa7134_boards[dev->board].video_out) {
2293                 /* enable video output */
2294                 int vo = saa7134_boards[dev->board].video_out;
2295                 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2296                 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
2297                 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2298                 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2299                 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2300                 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
2301                 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
2302                 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2303                 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2304         }
2305
2306         return 0;
2307 }
2308
2309 int saa7134_video_init2(struct saa7134_dev *dev)
2310 {
2311         /* init video hw */
2312         set_tvnorm(dev,&tvnorms[0]);
2313         video_mux(dev,0);
2314         saa7134_tvaudio_setmute(dev);
2315         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2316         return 0;
2317 }
2318
2319 int saa7134_video_fini(struct saa7134_dev *dev)
2320 {
2321         /* nothing */
2322         return 0;
2323 }
2324
2325 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2326 {
2327         static const char *st[] = {
2328                 "(no signal)", "NTSC", "PAL", "SECAM" };
2329         u32 st1,st2;
2330
2331         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2332         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2333         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2334                 (st1 & 0x40) ? "not locked" : "locked",
2335                 (st2 & 0x40) ? "no"         : "yes",
2336                 st[st1 & 0x03]);
2337         dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2338
2339         if (dev->nosignal) {
2340                 /* no video signal -> mute audio */
2341                 if (dev->ctl_automute)
2342                         dev->automute = 1;
2343                 saa7134_tvaudio_setmute(dev);
2344                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2345         } else {
2346                 /* wake up tvaudio audio carrier scan thread */
2347                 saa7134_tvaudio_do_scan(dev);
2348                 if (!noninterlaced)
2349                         saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2350         }
2351         if (dev->mops && dev->mops->signal_change)
2352                 dev->mops->signal_change(dev);
2353 }
2354
2355 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2356 {
2357         enum v4l2_field field;
2358
2359         spin_lock(&dev->slock);
2360         if (dev->video_q.curr) {
2361                 dev->video_fieldcount++;
2362                 field = dev->video_q.curr->vb.field;
2363                 if (V4L2_FIELD_HAS_BOTH(field)) {
2364                         /* make sure we have seen both fields */
2365                         if ((status & 0x10) == 0x00) {
2366                                 dev->video_q.curr->top_seen = 1;
2367                                 goto done;
2368                         }
2369                         if (!dev->video_q.curr->top_seen)
2370                                 goto done;
2371                 } else if (field == V4L2_FIELD_TOP) {
2372                         if ((status & 0x10) != 0x10)
2373                                 goto done;
2374                 } else if (field == V4L2_FIELD_BOTTOM) {
2375                         if ((status & 0x10) != 0x00)
2376                                 goto done;
2377                 }
2378                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2379                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2380         }
2381         saa7134_buffer_next(dev,&dev->video_q);
2382
2383  done:
2384         spin_unlock(&dev->slock);
2385 }
2386
2387 /* ----------------------------------------------------------- */
2388 /*
2389  * Local variables:
2390  * c-basic-offset: 8
2391  * End:
2392  */