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

   1 /*
   2  * $Id: saa7134-video.c,v 1.25 2004/12/10 12:33:39 kraxel 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 #define V4L2_I2C_CLIENTS 1
  35
  36 /* ------------------------------------------------------------------ */
  37
  38 static unsigned int video_debug   = 0;
  39 static unsigned int gbuffers      = 8;
  40 static unsigned int noninterlaced = 0;
  41 static unsigned int gbufsize      = 720*576*4;
  42 static unsigned int gbufsize_max  = 720*576*4;
  43 module_param(video_debug, int, 0644);
  44 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  45 module_param(gbuffers, int, 0444);
  46 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  47 module_param(noninterlaced, int, 0644);
  48 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
  49
  50 #define dprintk(fmt, arg...)    if (video_debug) \
  51         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  52
  53 /* ------------------------------------------------------------------ */
  54 /* data structs for video                                             */
  55
  56 static int video_out[][9] = {
  57         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
  58 };
  59
  60 static struct saa7134_format formats[] = {
  61         {
  62                 .name     = "8 bpp gray",
  63                 .fourcc   = V4L2_PIX_FMT_GREY,
  64                 .depth    = 8,
  65                 .pm       = 0x06,
  66         },{
  67                 .name     = "15 bpp RGB, le",
  68                 .fourcc   = V4L2_PIX_FMT_RGB555,
  69                 .depth    = 16,
  70                 .pm       = 0x13 | 0x80,
  71         },{
  72                 .name     = "15 bpp RGB, be",
  73                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  74                 .depth    = 16,
  75                 .pm       = 0x13 | 0x80,
  76                 .bswap    = 1,
  77         },{
  78                 .name     = "16 bpp RGB, le",
  79                 .fourcc   = V4L2_PIX_FMT_RGB565,
  80                 .depth    = 16,
  81                 .pm       = 0x10 | 0x80,
  82         },{
  83                 .name     = "16 bpp RGB, be",
  84                 .fourcc   = V4L2_PIX_FMT_RGB565X,
  85                 .depth    = 16,
  86                 .pm       = 0x10 | 0x80,
  87                 .bswap    = 1,
  88         },{
  89                 .name     = "24 bpp RGB, le",
  90                 .fourcc   = V4L2_PIX_FMT_BGR24,
  91                 .depth    = 24,
  92                 .pm       = 0x11,
  93         },{
  94                 .name     = "24 bpp RGB, be",
  95                 .fourcc   = V4L2_PIX_FMT_RGB24,
  96                 .depth    = 24,
  97                 .pm       = 0x11,
  98                 .bswap    = 1,
  99         },{
 100                 .name     = "32 bpp RGB, le",
 101                 .fourcc   = V4L2_PIX_FMT_BGR32,
 102                 .depth    = 32,
 103                 .pm       = 0x12,
 104         },{
 105                 .name     = "32 bpp RGB, be",
 106                 .fourcc   = V4L2_PIX_FMT_RGB32,
 107                 .depth    = 32,
 108                 .pm       = 0x12,
 109                 .bswap    = 1,
 110                 .wswap    = 1,
 111         },{
 112                 .name     = "4:2:2 packed, YUYV",
 113                 .fourcc   = V4L2_PIX_FMT_YUYV,
 114                 .depth    = 16,
 115                 .pm       = 0x00,
 116                 .bswap    = 1,
 117                 .yuv      = 1,
 118         },{
 119                 .name     = "4:2:2 packed, UYVY",
 120                 .fourcc   = V4L2_PIX_FMT_UYVY,
 121                 .depth    = 16,
 122                 .pm       = 0x00,
 123                 .yuv      = 1,
 124         },{
 125                 .name     = "4:2:2 planar, Y-Cb-Cr",
 126                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 127                 .depth    = 16,
 128                 .pm       = 0x09,
 129                 .yuv      = 1,
 130                 .planar   = 1,
 131                 .hshift   = 1,
 132                 .vshift   = 0,
 133         },{
 134                 .name     = "4:2:0 planar, Y-Cb-Cr",
 135                 .fourcc   = V4L2_PIX_FMT_YUV420,
 136                 .depth    = 12,
 137                 .pm       = 0x0a,
 138                 .yuv      = 1,
 139                 .planar   = 1,
 140                 .hshift   = 1,
 141                 .vshift   = 1,
 142         },{
 143                 .name     = "4:2:0 planar, Y-Cb-Cr",
 144                 .fourcc   = V4L2_PIX_FMT_YVU420,
 145                 .depth    = 12,
 146                 .pm       = 0x0a,
 147                 .yuv      = 1,
 148                 .planar   = 1,
 149                 .uvswap   = 1,
 150                 .hshift   = 1,
 151                 .vshift   = 1,
 152         }
 153 };
 154 #define FORMATS ARRAY_SIZE(formats)
 155
 156 #define NORM_625_50                     \
 157                 .h_start       = 0,     \
 158                 .h_stop        = 719,   \
 159                 .video_v_start = 24,    \
 160                 .video_v_stop  = 311,   \
 161                 .vbi_v_start   = 7,     \
 162                 .vbi_v_stop    = 22,    \
 163                 .src_timing    = 4
 164
 165 #define NORM_525_60                     \
 166                 .h_start       = 0,     \
 167                 .h_stop        = 703,   \
 168                 .video_v_start = 22,    \
 169                 .video_v_stop  = 22+239, \
 170                 .vbi_v_start   = 10, /* FIXME */ \
 171                 .vbi_v_stop    = 21, /* FIXME */ \
 172                 .src_timing    = 1
 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 };
 273 #define TVNORMS ARRAY_SIZE(tvnorms)
 274
 275 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 276 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 277 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 278 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 279 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 280
 281 static const struct v4l2_queryctrl no_ctrl = {
 282         .name  = "42",
 283         .flags = V4L2_CTRL_FLAG_DISABLED,
 284 };
 285 static const struct v4l2_queryctrl video_ctrls[] = {
 286         /* --- video --- */
 287         {
 288                 .id            = V4L2_CID_BRIGHTNESS,
 289                 .name          = "Brightness",
 290                 .minimum       = 0,
 291                 .maximum       = 255,
 292                 .step          = 1,
 293                 .default_value = 128,
 294                 .type          = V4L2_CTRL_TYPE_INTEGER,
 295         },{
 296                 .id            = V4L2_CID_CONTRAST,
 297                 .name          = "Contrast",
 298                 .minimum       = 0,
 299                 .maximum       = 127,
 300                 .step          = 1,
 301                 .default_value = 68,
 302                 .type          = V4L2_CTRL_TYPE_INTEGER,
 303         },{
 304                 .id            = V4L2_CID_SATURATION,
 305                 .name          = "Saturation",
 306                 .minimum       = 0,
 307                 .maximum       = 127,
 308                 .step          = 1,
 309                 .default_value = 64,
 310                 .type          = V4L2_CTRL_TYPE_INTEGER,
 311         },{
 312                 .id            = V4L2_CID_HUE,
 313                 .name          = "Hue",
 314                 .minimum       = -128,
 315                 .maximum       = 127,
 316                 .step          = 1,
 317                 .default_value = 0,
 318                 .type          = V4L2_CTRL_TYPE_INTEGER,
 319         },{
 320                 .id            = V4L2_CID_VFLIP,
 321                 .name          = "vertical flip",
 322                 .minimum       = 0,
 323                 .maximum       = 1,
 324                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 325         },
 326         /* --- audio --- */
 327         {
 328                 .id            = V4L2_CID_AUDIO_MUTE,
 329                 .name          = "Mute",
 330                 .minimum       = 0,
 331                 .maximum       = 1,
 332                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 333         },{
 334                 .id            = V4L2_CID_AUDIO_VOLUME,
 335                 .name          = "Volume",
 336                 .minimum       = -15,
 337                 .maximum       = 15,
 338                 .step          = 1,
 339                 .default_value = 0,
 340                 .type          = V4L2_CTRL_TYPE_INTEGER,
 341         },
 342         /* --- private --- */
 343         {
 344                 .id            = V4L2_CID_PRIVATE_INVERT,
 345                 .name          = "Invert",
 346                 .minimum       = 0,
 347                 .maximum       = 1,
 348                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 349         },{
 350                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 351                 .name          = "y offset odd field",
 352                 .minimum       = 0,
 353                 .maximum       = 128,
 354                 .default_value = 0,
 355                 .type          = V4L2_CTRL_TYPE_INTEGER,
 356         },{
 357                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 358                 .name          = "y offset even field",
 359                 .minimum       = 0,
 360                 .maximum       = 128,
 361                 .default_value = 0,
 362                 .type          = V4L2_CTRL_TYPE_INTEGER,
 363         },{
 364                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 365                 .name          = "automute",
 366                 .minimum       = 0,
 367                 .maximum       = 1,
 368                 .default_value = 1,
 369                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 370         }
 371 };
 372 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 373
 374 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 375 {
 376         unsigned int i;
 377
 378         for (i = 0; i < CTRLS; i++)
 379                 if (video_ctrls[i].id == id)
 380                         return video_ctrls+i;
 381         return NULL;
 382 }
 383
 384 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 385 {
 386         unsigned int i;
 387
 388         for (i = 0; i < FORMATS; i++)
 389                 if (formats[i].fourcc == fourcc)
 390                         return formats+i;
 391         return NULL;
 392 }
 393
 394 /* ----------------------------------------------------------------------- */
 395 /* resource management                                                     */
 396
 397 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 398 {
 399         if (fh->resources & bit)
 400                 /* have it already allocated */
 401                 return 1;
 402
 403         /* is it free? */
 404         down(&dev->lock);
 405         if (dev->resources & bit) {
 406                 /* no, someone else uses it */
 407                 up(&dev->lock);
 408                 return 0;
 409         }
 410         /* it's free, grab it */
 411         fh->resources  |= bit;
 412         dev->resources |= bit;
 413         dprintk("res: get %d\n",bit);
 414         up(&dev->lock);
 415         return 1;
 416 }
 417
 418 static
 419 int res_check(struct saa7134_fh *fh, unsigned int bit)
 420 {
 421         return (fh->resources & bit);
 422 }
 423
 424 static
 425 int res_locked(struct saa7134_dev *dev, unsigned int bit)
 426 {
 427         return (dev->resources & bit);
 428 }
 429
 430 static
 431 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 432 {
 433         if ((fh->resources & bits) != bits)
 434                 BUG();
 435
 436         down(&dev->lock);
 437         fh->resources  &= ~bits;
 438         dev->resources &= ~bits;
 439         dprintk("res: put %d\n",bits);
 440         up(&dev->lock);
 441 }
 442
 443 /* ------------------------------------------------------------------ */
 444
 445 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 446 {
 447         int luma_control,sync_control,mux;
 448
 449         dprintk("set tv norm = %s\n",norm->name);
 450         dev->tvnorm = norm;
 451
 452         mux = card_in(dev,dev->ctl_input).vmux;
 453         luma_control = norm->luma_control;
 454         sync_control = norm->sync_control;
 455
 456         if (mux > 5)
 457                 luma_control |= 0x80; /* svideo */
 458         if (noninterlaced || dev->nosignal)
 459                 sync_control |= 0x20;
 460
 461         /* setup cropping */
 462         dev->crop_bounds.left    = norm->h_start;
 463         dev->crop_defrect.left   = norm->h_start;
 464         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 465         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 466
 467         dev->crop_bounds.top     = (norm->vbi_v_stop+1)*2;
 468         dev->crop_defrect.top    = norm->video_v_start*2;
 469         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 470                 - dev->crop_bounds.top;
 471         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 472
 473         dev->crop_current = dev->crop_defrect;
 474
 475         /* setup video decoder */
 476         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 477         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 478         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 479
 480         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 481         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 482         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 483         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 484         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 485
 486         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 487         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 488         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 489         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,     dev->ctl_contrast);
 490
 491         saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
 492         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 493         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 494         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 495
 496         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 497         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 498
 499         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 500         saa_writeb(SAA7134_VGATE_START,           0x11);
 501         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 502         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 503         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 504         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 505
 506 #ifdef V4L2_I2C_CLIENTS
 507         saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
 508 #else
 509         {
 510                 /* pass down info to the i2c chips (v4l1) */
 511                 struct video_channel c;
 512                 memset(&c,0,sizeof(c));
 513                 c.channel = dev->ctl_input;
 514                 c.norm = VIDEO_MODE_PAL;
 515                 if (norm->id & V4L2_STD_NTSC)
 516                         c.norm = VIDEO_MODE_NTSC;
 517                 if (norm->id & V4L2_STD_SECAM)
 518                         c.norm = VIDEO_MODE_SECAM;
 519                 saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c);
 520         }
 521 #endif
 522 }
 523
 524 static void video_mux(struct saa7134_dev *dev, int input)
 525 {
 526         dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
 527         dev->ctl_input = input;
 528         set_tvnorm(dev,dev->tvnorm);
 529         saa7134_tvaudio_setinput(dev,&card_in(dev,input));
 530 }
 531
 532 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 533 {
 534         static const struct {
 535                 int xpsc;
 536                 int xacl;
 537                 int xc2_1;
 538                 int xdcg;
 539                 int vpfy;
 540         } vals[] = {
 541                 /* XPSC XACL XC2_1 XDCG VPFY */
 542                 {    1,   0,    0,    0,   0 },
 543                 {    2,   2,    1,    2,   2 },
 544                 {    3,   4,    1,    3,   2 },
 545                 {    4,   8,    1,    4,   2 },
 546                 {    5,   8,    1,    4,   2 },
 547                 {    6,   8,    1,    4,   3 },
 548                 {    7,   8,    1,    4,   3 },
 549                 {    8,  15,    0,    4,   3 },
 550                 {    9,  15,    0,    4,   3 },
 551                 {   10,  16,    1,    5,   3 },
 552         };
 553         static const int count = ARRAY_SIZE(vals);
 554         int i;
 555
 556         for (i = 0; i < count; i++)
 557                 if (vals[i].xpsc == prescale)
 558                         break;
 559         if (i == count)
 560                 return;
 561
 562         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 563         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 564         saa_writeb(SAA7134_LEVEL_CTRL(task),
 565                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 566         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 567                    (vals[i].vpfy << 2) | vals[i].vpfy);
 568 }
 569
 570 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 571 {
 572         int val,mirror;
 573
 574         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 575         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 576
 577         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 578         if (yscale < 2048) {
 579                 /* LPI */
 580                 dprintk("yscale LPI yscale=%d\n",yscale);
 581                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 582                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 583                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 584         } else {
 585                 /* ACM */
 586                 val = 0x40 * 1024 / yscale;
 587                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 588                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 589                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 590                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 591         }
 592         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 593 }
 594
 595 static void set_size(struct saa7134_dev *dev, int task,
 596                      int width, int height, int interlace)
 597 {
 598         int prescale,xscale,yscale,y_even,y_odd;
 599         int h_start, h_stop, v_start, v_stop;
 600         int div = interlace ? 2 : 1;
 601
 602         /* setup video scaler */
 603         h_start = dev->crop_current.left;
 604         v_start = dev->crop_current.top/2;
 605         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 606         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 607
 608         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 609         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 610         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 611         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 612         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 613         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 614         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 615         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 616
 617         prescale = dev->crop_current.width / width;
 618         if (0 == prescale)
 619                 prescale = 1;
 620         xscale = 1024 * dev->crop_current.width / prescale / width;
 621         yscale = 512 * div * dev->crop_current.height / height;
 622         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 623         set_h_prescale(dev,task,prescale);
 624         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 625         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 626         set_v_scale(dev,task,yscale);
 627
 628         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 629         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 630         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 631         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 632
 633         /* deinterlace y offsets */
 634         y_odd  = dev->ctl_y_odd;
 635         y_even = dev->ctl_y_even;
 636         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 637         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 638         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 639         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 640 }
 641
 642 /* ------------------------------------------------------------------ */
 643
 644 struct cliplist {
 645         __u16 position;
 646         __u8  enable;
 647         __u8  disable;
 648 };
 649
 650 static void sort_cliplist(struct cliplist *cl, int entries)
 651 {
 652         struct cliplist swap;
 653         int i,j,n;
 654
 655         for (i = entries-2; i >= 0; i--) {
 656                 for (n = 0, j = 0; j <= i; j++) {
 657                         if (cl[j].position > cl[j+1].position) {
 658                                 swap = cl[j];
 659                                 cl[j] = cl[j+1];
 660                                 cl[j+1] = swap;
 661                                 n++;
 662                         }
 663                 }
 664                 if (0 == n)
 665                         break;
 666         }
 667 }
 668
 669 static void set_cliplist(struct saa7134_dev *dev, int reg,
 670                         struct cliplist *cl, int entries, char *name)
 671 {
 672         __u8 winbits = 0;
 673         int i;
 674
 675         for (i = 0; i < entries; i++) {
 676                 winbits |= cl[i].enable;
 677                 winbits &= ~cl[i].disable;
 678                 if (i < 15 && cl[i].position == cl[i+1].position)
 679                         continue;
 680                 saa_writeb(reg + 0, winbits);
 681                 saa_writeb(reg + 2, cl[i].position & 0xff);
 682                 saa_writeb(reg + 3, cl[i].position >> 8);
 683                 dprintk("clip: %s winbits=%02x pos=%d\n",
 684                         name,winbits,cl[i].position);
 685                 reg += 8;
 686         }
 687         for (; reg < 0x400; reg += 8) {
 688                 saa_writeb(reg+ 0, 0);
 689                 saa_writeb(reg + 1, 0);
 690                 saa_writeb(reg + 2, 0);
 691                 saa_writeb(reg + 3, 0);
 692         }
 693 }
 694
 695 static int clip_range(int val)
 696 {
 697         if (val < 0)
 698                 val = 0;
 699         return val;
 700 }
 701
 702 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 703                           int nclips, int interlace)
 704 {
 705         struct cliplist col[16], row[16];
 706         int cols, rows, i;
 707         int div = interlace ? 2 : 1;
 708
 709         memset(col,0,sizeof(col)); cols = 0;
 710         memset(row,0,sizeof(row)); rows = 0;
 711         for (i = 0; i < nclips && i < 8; i++) {
 712                 col[cols].position = clip_range(clips[i].c.left);
 713                 col[cols].enable   = (1 << i);
 714                 cols++;
 715                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 716                 col[cols].disable  = (1 << i);
 717                 cols++;
 718                 row[rows].position = clip_range(clips[i].c.top / div);
 719                 row[rows].enable   = (1 << i);
 720                 rows++;
 721                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 722                                                 / div);
 723                 row[rows].disable  = (1 << i);
 724                 rows++;
 725         }
 726         sort_cliplist(col,cols);
 727         sort_cliplist(row,rows);
 728         set_cliplist(dev,0x380,col,cols,"cols");
 729         set_cliplist(dev,0x384,row,rows,"rows");
 730         return 0;
 731 }
 732
 733 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 734 {
 735         enum v4l2_field field;
 736         int maxw, maxh;
 737
 738         if (NULL == dev->ovbuf.base)
 739                 return -EINVAL;
 740         if (NULL == dev->ovfmt)
 741                 return -EINVAL;
 742         if (win->w.width < 48 || win->w.height <  32)
 743                 return -EINVAL;
 744         if (win->clipcount > 2048)
 745                 return -EINVAL;
 746
 747         field = win->field;
 748         maxw  = dev->crop_current.width;
 749         maxh  = dev->crop_current.height;
 750
 751         if (V4L2_FIELD_ANY == field) {
 752                 field = (win->w.height > maxh/2)
 753                         ? V4L2_FIELD_INTERLACED
 754                         : V4L2_FIELD_TOP;
 755         }
 756         switch (field) {
 757         case V4L2_FIELD_TOP:
 758         case V4L2_FIELD_BOTTOM:
 759                 maxh = maxh / 2;
 760                 break;
 761         case V4L2_FIELD_INTERLACED:
 762                 break;
 763         default:
 764                 return -EINVAL;
 765         }
 766
 767         win->field = field;
 768         if (win->w.width > maxw)
 769                 win->w.width = maxw;
 770         if (win->w.height > maxh)
 771                 win->w.height = maxh;
 772         return 0;
 773 }
 774
 775 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 776 {
 777         unsigned long base,control,bpl;
 778         int err;
 779
 780         err = verify_preview(dev,&fh->win);
 781         if (0 != err)
 782                 return err;
 783
 784         dev->ovfield = fh->win.field;
 785         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 786                 fh->win.w.width,fh->win.w.height,
 787                 fh->win.w.left,fh->win.w.top,
 788                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 789
 790         /* setup window + clipping */
 791         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 792                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 793         setup_clipping(dev,fh->clips,fh->nclips,
 794                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 795         if (dev->ovfmt->yuv)
 796                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 797         else
 798                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 799         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 800
 801         /* dma: setup channel 1 (= Video Task B) */
 802         base  = (unsigned long)dev->ovbuf.base;
 803         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 804         base += dev->ovfmt->depth/8         * fh->win.w.left;
 805         bpl   = dev->ovbuf.fmt.bytesperline;
 806         control = SAA7134_RS_CONTROL_BURST_16;
 807         if (dev->ovfmt->bswap)
 808                 control |= SAA7134_RS_CONTROL_BSWAP;
 809         if (dev->ovfmt->wswap)
 810                 control |= SAA7134_RS_CONTROL_WSWAP;
 811         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 812                 saa_writel(SAA7134_RS_BA1(1),base);
 813                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 814                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 815                 saa_writel(SAA7134_RS_CONTROL(1),control);
 816         } else {
 817                 saa_writel(SAA7134_RS_BA1(1),base);
 818                 saa_writel(SAA7134_RS_BA2(1),base);
 819                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 820                 saa_writel(SAA7134_RS_CONTROL(1),control);
 821         }
 822
 823         /* start dma */
 824         dev->ovenable = 1;
 825         saa7134_set_dmabits(dev);
 826
 827         return 0;
 828 }
 829
 830 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 831 {
 832         dev->ovenable = 0;
 833         saa7134_set_dmabits(dev);
 834         return 0;
 835 }
 836
 837 /* ------------------------------------------------------------------ */
 838
 839 static int buffer_activate(struct saa7134_dev *dev,
 840                            struct saa7134_buf *buf,
 841                            struct saa7134_buf *next)
 842 {
 843         unsigned long base,control,bpl;
 844         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 845
 846         dprintk("buffer_activate buf=%p\n",buf);
 847         buf->vb.state = STATE_ACTIVE;
 848         buf->top_seen = 0;
 849
 850         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 851                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 852         if (buf->fmt->yuv)
 853                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 854         else
 855                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 856         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 857
 858         /* DMA: setup channel 0 (= Video Task A0) */
 859         base  = saa7134_buffer_base(buf);
 860         if (buf->fmt->planar)
 861                 bpl = buf->vb.width;
 862         else
 863                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 864         control = SAA7134_RS_CONTROL_BURST_16 |
 865                 SAA7134_RS_CONTROL_ME |
 866                 (buf->pt->dma >> 12);
 867         if (buf->fmt->bswap)
 868                 control |= SAA7134_RS_CONTROL_BSWAP;
 869         if (buf->fmt->wswap)
 870                 control |= SAA7134_RS_CONTROL_WSWAP;
 871         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 872                 /* interlaced */
 873                 saa_writel(SAA7134_RS_BA1(0),base);
 874                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 875                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 876         } else {
 877                 /* non-interlaced */
 878                 saa_writel(SAA7134_RS_BA1(0),base);
 879                 saa_writel(SAA7134_RS_BA2(0),base);
 880                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 881         }
 882         saa_writel(SAA7134_RS_CONTROL(0),control);
 883
 884         if (buf->fmt->planar) {
 885                 /* DMA: setup channel 4+5 (= planar task A) */
 886                 bpl_uv   = bpl >> buf->fmt->hshift;
 887                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 888                 base2    = base + bpl * buf->vb.height;
 889                 base3    = base2 + bpl_uv * lines_uv;
 890                 if (buf->fmt->uvswap)
 891                         tmp = base2, base2 = base3, base3 = tmp;
 892                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 893                         bpl_uv,lines_uv,base2,base3);
 894                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 895                         /* interlaced */
 896                         saa_writel(SAA7134_RS_BA1(4),base2);
 897                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 898                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 899                         saa_writel(SAA7134_RS_BA1(5),base3);
 900                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 901                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 902                 } else {
 903                         /* non-interlaced */
 904                         saa_writel(SAA7134_RS_BA1(4),base2);
 905                         saa_writel(SAA7134_RS_BA2(4),base2);
 906                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 907                         saa_writel(SAA7134_RS_BA1(5),base3);
 908                         saa_writel(SAA7134_RS_BA2(5),base3);
 909                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 910                 }
 911                 saa_writel(SAA7134_RS_CONTROL(4),control);
 912                 saa_writel(SAA7134_RS_CONTROL(5),control);
 913         }
 914
 915         /* start DMA */
 916         saa7134_set_dmabits(dev);
 917         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
 918         return 0;
 919 }
 920
 921 static int buffer_prepare(struct videobuf_queue *q,
 922                           struct videobuf_buffer *vb,
 923                           enum v4l2_field field)
 924 {
 925         struct saa7134_fh *fh = q->priv_data;
 926         struct saa7134_dev *dev = fh->dev;
 927         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
 928         unsigned int size;
 929         int err;
 930
 931         /* sanity checks */
 932         if (NULL == fh->fmt)
 933                 return -EINVAL;
 934         if (fh->width    < 48 ||
 935             fh->height   < 32 ||
 936             fh->width/4  > dev->crop_current.width  ||
 937             fh->height/4 > dev->crop_current.height ||
 938             fh->width    > dev->crop_bounds.width  ||
 939             fh->height   > dev->crop_bounds.height)
 940                 return -EINVAL;
 941         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 942         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
 943                 return -EINVAL;
 944
 945         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
 946                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
 947                 fh->fmt->name);
 948         if (buf->vb.width  != fh->width  ||
 949             buf->vb.height != fh->height ||
 950             buf->vb.size   != size       ||
 951             buf->vb.field  != field      ||
 952             buf->fmt       != fh->fmt) {
 953                 saa7134_dma_free(dev,buf);
 954         }
 955
 956         if (STATE_NEEDS_INIT == buf->vb.state) {
 957                 buf->vb.width  = fh->width;
 958                 buf->vb.height = fh->height;
 959                 buf->vb.size   = size;
 960                 buf->vb.field  = field;
 961                 buf->fmt       = fh->fmt;
 962                 buf->pt        = &fh->pt_cap;
 963
 964                 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
 965                 if (err)
 966                         goto oops;
 967                 err = saa7134_pgtable_build(dev->pci,buf->pt,
 968                                             buf->vb.dma.sglist,
 969                                             buf->vb.dma.sglen,
 970                                             saa7134_buffer_startpage(buf));
 971                 if (err)
 972                         goto oops;
 973         }
 974         buf->vb.state = STATE_PREPARED;
 975         buf->activate = buffer_activate;
 976         return 0;
 977
 978  oops:
 979         saa7134_dma_free(dev,buf);
 980         return err;
 981 }
 982
 983 static int
 984 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 985 {
 986         struct saa7134_fh *fh = q->priv_data;
 987
 988         *size = fh->fmt->depth * fh->width * fh->height >> 3;
 989         if (0 == *count)
 990                 *count = gbuffers;
 991         *count = saa7134_buffer_count(*size,*count);
 992         return 0;
 993 }
 994
 995 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 996 {
 997         struct saa7134_fh *fh = q->priv_data;
 998         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
 999
1000         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1001 }
1002
1003 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1004 {
1005         struct saa7134_fh *fh = q->priv_data;
1006         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1007
1008         saa7134_dma_free(fh->dev,buf);
1009 }
1010
1011 static struct videobuf_queue_ops video_qops = {
1012         .buf_setup    = buffer_setup,
1013         .buf_prepare  = buffer_prepare,
1014         .buf_queue    = buffer_queue,
1015         .buf_release  = buffer_release,
1016 };
1017
1018 /* ------------------------------------------------------------------ */
1019
1020 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1021 {
1022         const struct v4l2_queryctrl* ctrl;
1023
1024         ctrl = ctrl_by_id(c->id);
1025         if (NULL == ctrl)
1026                 return -EINVAL;
1027         switch (c->id) {
1028         case V4L2_CID_BRIGHTNESS:
1029                 c->value = dev->ctl_bright;
1030                 break;
1031         case V4L2_CID_HUE:
1032                 c->value = dev->ctl_hue;
1033                 break;
1034         case V4L2_CID_CONTRAST:
1035                 c->value = dev->ctl_contrast;
1036                 break;
1037         case V4L2_CID_SATURATION:
1038                 c->value = dev->ctl_saturation;
1039                 break;
1040         case V4L2_CID_AUDIO_MUTE:
1041                 c->value = dev->ctl_mute;
1042                 break;
1043         case V4L2_CID_AUDIO_VOLUME:
1044                 c->value = dev->ctl_volume;
1045                 break;
1046         case V4L2_CID_PRIVATE_INVERT:
1047                 c->value = dev->ctl_invert;
1048                 break;
1049         case V4L2_CID_VFLIP:
1050                 c->value = dev->ctl_mirror;
1051                 break;
1052         case V4L2_CID_PRIVATE_Y_EVEN:
1053                 c->value = dev->ctl_y_even;
1054                 break;
1055         case V4L2_CID_PRIVATE_Y_ODD:
1056                 c->value = dev->ctl_y_odd;
1057                 break;
1058         case V4L2_CID_PRIVATE_AUTOMUTE:
1059                 c->value = dev->ctl_automute;
1060                 break;
1061         default:
1062                 return -EINVAL;
1063         }
1064         return 0;
1065 }
1066
1067 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1068                        struct v4l2_control *c)
1069 {
1070         const struct v4l2_queryctrl* ctrl;
1071         unsigned long flags;
1072         int restart_overlay = 0;
1073
1074         ctrl = ctrl_by_id(c->id);
1075         if (NULL == ctrl)
1076                 return -EINVAL;
1077         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1078         switch (ctrl->type) {
1079         case V4L2_CTRL_TYPE_BOOLEAN:
1080         case V4L2_CTRL_TYPE_MENU:
1081         case V4L2_CTRL_TYPE_INTEGER:
1082                 if (c->value < ctrl->minimum)
1083                         c->value = ctrl->minimum;
1084                 if (c->value > ctrl->maximum)
1085                         c->value = ctrl->maximum;
1086                 break;
1087         default:
1088                 /* nothing */;
1089         };
1090         switch (c->id) {
1091         case V4L2_CID_BRIGHTNESS:
1092                 dev->ctl_bright = c->value;
1093                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1094                 break;
1095         case V4L2_CID_HUE:
1096                 dev->ctl_hue = c->value;
1097                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1098                 break;
1099         case V4L2_CID_CONTRAST:
1100                 dev->ctl_contrast = c->value;
1101                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1102                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1103                 break;
1104         case V4L2_CID_SATURATION:
1105                 dev->ctl_saturation = c->value;
1106                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1107                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1108                 break;
1109         case V4L2_CID_AUDIO_MUTE:
1110                 dev->ctl_mute = c->value;
1111                 saa7134_tvaudio_setmute(dev);
1112                 break;
1113         case V4L2_CID_AUDIO_VOLUME:
1114                 dev->ctl_volume = c->value;
1115                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1116                 break;
1117         case V4L2_CID_PRIVATE_INVERT:
1118                 dev->ctl_invert = c->value;
1119                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1120                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1121                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1122                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1123                 break;
1124         case V4L2_CID_VFLIP:
1125                 dev->ctl_mirror = c->value;
1126                 restart_overlay = 1;
1127                 break;
1128         case V4L2_CID_PRIVATE_Y_EVEN:
1129                 dev->ctl_y_even = c->value;
1130                 restart_overlay = 1;
1131                 break;
1132         case V4L2_CID_PRIVATE_Y_ODD:
1133                 dev->ctl_y_odd = c->value;
1134                 restart_overlay = 1;
1135                 break;
1136         case V4L2_CID_PRIVATE_AUTOMUTE:
1137                 dev->ctl_automute = c->value;
1138                 if (dev->tda9887_conf) {
1139                         if (dev->ctl_automute)
1140                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1141                         else
1142                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1143                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1144                                                  &dev->tda9887_conf);
1145                 }
1146                 break;
1147         default:
1148                 return -EINVAL;
1149         }
1150         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1151                 spin_lock_irqsave(&dev->slock,flags);
1152                 stop_preview(dev,fh);
1153                 start_preview(dev,fh);
1154                 spin_unlock_irqrestore(&dev->slock,flags);
1155         }
1156         return 0;
1157 }
1158
1159 /* ------------------------------------------------------------------ */
1160
1161 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1162 {
1163         struct videobuf_queue* q = NULL;
1164
1165         switch (fh->type) {
1166         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1167                 q = &fh->cap;
1168                 break;
1169         case V4L2_BUF_TYPE_VBI_CAPTURE:
1170                 q = &fh->vbi;
1171                 break;
1172         default:
1173                 BUG();
1174         }
1175         return q;
1176 }
1177
1178 static int saa7134_resource(struct saa7134_fh *fh)
1179 {
1180         int res = 0;
1181
1182         switch (fh->type) {
1183         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1184                 res = RESOURCE_VIDEO;
1185                 break;
1186         case V4L2_BUF_TYPE_VBI_CAPTURE:
1187                 res = RESOURCE_VBI;
1188                 break;
1189         default:
1190                 BUG();
1191         }
1192         return res;
1193 }
1194
1195 static int video_open(struct inode *inode, struct file *file)
1196 {
1197         int minor = iminor(inode);
1198         struct saa7134_dev *h,*dev = NULL;
1199         struct saa7134_fh *fh;
1200         struct list_head *list;
1201         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1202         int radio = 0;
1203
1204         list_for_each(list,&saa7134_devlist) {
1205                 h = list_entry(list, struct saa7134_dev, devlist);
1206                 if (h->video_dev && (h->video_dev->minor == minor))
1207                         dev = h;
1208                 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1209                         radio = 1;
1210                         dev = h;
1211                 }
1212                 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1213                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1214                         dev = h;
1215                 }
1216         }
1217         if (NULL == dev)
1218                 return -ENODEV;
1219
1220         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1221                 v4l2_type_names[type]);
1222
1223         /* allocate + initialize per filehandle data */
1224         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1225         if (NULL == fh)
1226                 return -ENOMEM;
1227         memset(fh,0,sizeof(*fh));
1228         file->private_data = fh;
1229         fh->dev      = dev;
1230         fh->radio    = radio;
1231         fh->type     = type;
1232         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1233         fh->width    = 720;
1234         fh->height   = 576;
1235         v4l2_prio_open(&dev->prio,&fh->prio);
1236
1237         videobuf_queue_init(&fh->cap, &video_qops,
1238                             dev->pci, &dev->slock,
1239                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1240                             V4L2_FIELD_INTERLACED,
1241                             sizeof(struct saa7134_buf),
1242                             fh);
1243         videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1244                             dev->pci, &dev->slock,
1245                             V4L2_BUF_TYPE_VBI_CAPTURE,
1246                             V4L2_FIELD_SEQ_TB,
1247                             sizeof(struct saa7134_buf),
1248                             fh);
1249         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1250         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1251
1252         if (fh->radio) {
1253                 /* switch to radio mode */
1254                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1255                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL);
1256         } else {
1257                 /* switch to video/vbi mode */
1258                 video_mux(dev,dev->ctl_input);
1259         }
1260         return 0;
1261 }
1262
1263 static ssize_t
1264 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1265 {
1266         struct saa7134_fh *fh = file->private_data;
1267
1268         switch (fh->type) {
1269         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1270                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1271                         return -EBUSY;
1272                 return videobuf_read_one(saa7134_queue(fh),
1273                                          data, count, ppos,
1274                                          file->f_flags & O_NONBLOCK);
1275         case V4L2_BUF_TYPE_VBI_CAPTURE:
1276                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1277                         return -EBUSY;
1278                 return videobuf_read_stream(saa7134_queue(fh),
1279                                             data, count, ppos, 1,
1280                                             file->f_flags & O_NONBLOCK);
1281                 break;
1282         default:
1283                 BUG();
1284                 return 0;
1285         }
1286 }
1287
1288 static unsigned int
1289 video_poll(struct file *file, struct poll_table_struct *wait)
1290 {
1291         struct saa7134_fh *fh = file->private_data;
1292         struct videobuf_buffer *buf = NULL;
1293
1294         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1295                 return videobuf_poll_stream(file, &fh->vbi, wait);
1296
1297         if (res_check(fh,RESOURCE_VIDEO)) {
1298                 if (!list_empty(&fh->cap.stream))
1299                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1300         } else {
1301                 down(&fh->cap.lock);
1302                 if (UNSET == fh->cap.read_off) {
1303                         /* need to capture a new frame */
1304                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1305                                 up(&fh->cap.lock);
1306                                 return POLLERR;
1307                         }
1308                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1309                                 up(&fh->cap.lock);
1310                                 return POLLERR;
1311                         }
1312                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1313                         fh->cap.read_off = 0;
1314                 }
1315                 up(&fh->cap.lock);
1316                 buf = fh->cap.read_buf;
1317         }
1318
1319         if (!buf)
1320                 return POLLERR;
1321
1322         poll_wait(file, &buf->done, wait);
1323         if (buf->state == STATE_DONE ||
1324             buf->state == STATE_ERROR)
1325                 return POLLIN|POLLRDNORM;
1326         return 0;
1327 }
1328
1329 static int video_release(struct inode *inode, struct file *file)
1330 {
1331         struct saa7134_fh  *fh  = file->private_data;
1332         struct saa7134_dev *dev = fh->dev;
1333         unsigned long flags;
1334
1335         /* turn off overlay */
1336         if (res_check(fh, RESOURCE_OVERLAY)) {
1337                 spin_lock_irqsave(&dev->slock,flags);
1338                 stop_preview(dev,fh);
1339                 spin_unlock_irqrestore(&dev->slock,flags);
1340                 res_free(dev,fh,RESOURCE_OVERLAY);
1341         }
1342
1343         /* stop video capture */
1344         if (res_check(fh, RESOURCE_VIDEO)) {
1345                 videobuf_streamoff(&fh->cap);
1346                 res_free(dev,fh,RESOURCE_VIDEO);
1347         }
1348         if (fh->cap.read_buf) {
1349                 buffer_release(&fh->cap,fh->cap.read_buf);
1350                 kfree(fh->cap.read_buf);
1351         }
1352
1353         /* stop vbi capture */
1354         if (res_check(fh, RESOURCE_VBI)) {
1355                 if (fh->vbi.streaming)
1356                         videobuf_streamoff(&fh->vbi);
1357                 if (fh->vbi.reading)
1358                         videobuf_read_stop(&fh->vbi);
1359                 res_free(dev,fh,RESOURCE_VBI);
1360         }
1361
1362         /* free stuff */
1363         videobuf_mmap_free(&fh->cap);
1364         videobuf_mmap_free(&fh->vbi);
1365         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1366         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1367
1368         v4l2_prio_close(&dev->prio,&fh->prio);
1369         file->private_data = NULL;
1370         kfree(fh);
1371         return 0;
1372 }
1373
1374 static int
1375 video_mmap(struct file *file, struct vm_area_struct * vma)
1376 {
1377         struct saa7134_fh *fh = file->private_data;
1378
1379         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1380 }
1381
1382 /* ------------------------------------------------------------------ */
1383
1384 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1385 {
1386         struct saa7134_tvnorm *norm = dev->tvnorm;
1387
1388         f->fmt.vbi.sampling_rate = 6750000 * 4;
1389         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1390         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1391         f->fmt.vbi.offset = 64 * 4;
1392         f->fmt.vbi.start[0] = norm->vbi_v_start;
1393         f->fmt.vbi.count[0] = norm->vbi_v_stop - norm->vbi_v_start +1;
1394         f->fmt.vbi.start[1] = norm->video_v_stop + norm->vbi_v_start +1;
1395         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1396         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1397
1398 #if 0
1399         if (V4L2_STD_PAL == norm->id) {
1400                 /* FIXME */
1401                 f->fmt.vbi.start[0] += 3;
1402                 f->fmt.vbi.start[1] += 3*2;
1403         }
1404 #endif
1405 }
1406
1407 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1408                          struct v4l2_format *f)
1409 {
1410         switch (f->type) {
1411         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1412                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1413                 f->fmt.pix.width        = fh->width;
1414                 f->fmt.pix.height       = fh->height;
1415                 f->fmt.pix.field        = fh->cap.field;
1416                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1417                 f->fmt.pix.bytesperline =
1418                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1419                 f->fmt.pix.sizeimage =
1420                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1421                 return 0;
1422         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1423                 f->fmt.win = fh->win;
1424                 return 0;
1425         case V4L2_BUF_TYPE_VBI_CAPTURE:
1426                 saa7134_vbi_fmt(dev,f);
1427                 return 0;
1428         default:
1429                 return -EINVAL;
1430         }
1431 }
1432
1433 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1434                            struct v4l2_format *f)
1435 {
1436         int err;
1437
1438         switch (f->type) {
1439         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1440         {
1441                 struct saa7134_format *fmt;
1442                 enum v4l2_field field;
1443                 unsigned int maxw, maxh;
1444
1445                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1446                 if (NULL == fmt)
1447                         return -EINVAL;
1448
1449                 field = f->fmt.pix.field;
1450                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1451                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1452
1453                 if (V4L2_FIELD_ANY == field) {
1454                         field = (f->fmt.pix.height > maxh/2)
1455                                 ? V4L2_FIELD_INTERLACED
1456                                 : V4L2_FIELD_BOTTOM;
1457                 }
1458                 switch (field) {
1459                 case V4L2_FIELD_TOP:
1460                 case V4L2_FIELD_BOTTOM:
1461                         maxh = maxh / 2;
1462                         break;
1463                 case V4L2_FIELD_INTERLACED:
1464                         break;
1465                 default:
1466                         return -EINVAL;
1467                 }
1468
1469                 f->fmt.pix.field = field;
1470                 if (f->fmt.pix.width  < 48)
1471                         f->fmt.pix.width  = 48;
1472                 if (f->fmt.pix.height < 32)
1473                         f->fmt.pix.height = 32;
1474                 if (f->fmt.pix.width > maxw)
1475                         f->fmt.pix.width = maxw;
1476                 if (f->fmt.pix.height > maxh)
1477                         f->fmt.pix.height = maxh;
1478                 f->fmt.pix.width &= ~0x03;
1479                 f->fmt.pix.bytesperline =
1480                         (f->fmt.pix.width * fmt->depth) >> 3;
1481                 f->fmt.pix.sizeimage =
1482                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1483
1484                 return 0;
1485         }
1486         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1487                 err = verify_preview(dev,&f->fmt.win);
1488                 if (0 != err)
1489                         return err;
1490                 return 0;
1491         case V4L2_BUF_TYPE_VBI_CAPTURE:
1492                 saa7134_vbi_fmt(dev,f);
1493                 return 0;
1494         default:
1495                 return -EINVAL;
1496         }
1497 }
1498
1499 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1500                          struct v4l2_format *f)
1501 {
1502         unsigned long flags;
1503         int err;
1504
1505         switch (f->type) {
1506         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1507                 err = saa7134_try_fmt(dev,fh,f);
1508                 if (0 != err)
1509                         return err;
1510
1511                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1512                 fh->width     = f->fmt.pix.width;
1513                 fh->height    = f->fmt.pix.height;
1514                 fh->cap.field = f->fmt.pix.field;
1515                 return 0;
1516         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1517                 err = verify_preview(dev,&f->fmt.win);
1518                 if (0 != err)
1519                         return err;
1520
1521                 down(&dev->lock);
1522                 fh->win    = f->fmt.win;
1523                 fh->nclips = f->fmt.win.clipcount;
1524                 if (fh->nclips > 8)
1525                         fh->nclips = 8;
1526                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1527                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1528                         up(&dev->lock);
1529                         return -EFAULT;
1530                 }
1531
1532                 if (res_check(fh, RESOURCE_OVERLAY)) {
1533                         spin_lock_irqsave(&dev->slock,flags);
1534                         stop_preview(dev,fh);
1535                         start_preview(dev,fh);
1536                         spin_unlock_irqrestore(&dev->slock,flags);
1537                 }
1538                 up(&dev->lock);
1539                 return 0;
1540         case V4L2_BUF_TYPE_VBI_CAPTURE:
1541                 saa7134_vbi_fmt(dev,f);
1542                 return 0;
1543         default:
1544                 return -EINVAL;
1545         }
1546 }
1547
1548 int saa7134_common_ioctl(struct saa7134_dev *dev,
1549                          unsigned int cmd, void *arg)
1550 {
1551         int err;
1552
1553         switch (cmd) {
1554         case VIDIOC_QUERYCTRL:
1555         {
1556                 const struct v4l2_queryctrl *ctrl;
1557                 struct v4l2_queryctrl *c = arg;
1558
1559                 if ((c->id <  V4L2_CID_BASE ||
1560                      c->id >= V4L2_CID_LASTP1) &&
1561                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1562                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1563                         return -EINVAL;
1564                 ctrl = ctrl_by_id(c->id);
1565                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1566                 return 0;
1567         }
1568         case VIDIOC_G_CTRL:
1569                 return get_control(dev,arg);
1570         case VIDIOC_S_CTRL:
1571         {
1572                 down(&dev->lock);
1573                 err = set_control(dev,NULL,arg);
1574                 up(&dev->lock);
1575                 return err;
1576         }
1577         /* --- input switching --------------------------------------- */
1578         case VIDIOC_ENUMINPUT:
1579         {
1580                 struct v4l2_input *i = arg;
1581                 unsigned int n;
1582
1583                 n = i->index;
1584                 if (n >= SAA7134_INPUT_MAX)
1585                         return -EINVAL;
1586                 if (NULL == card_in(dev,i->index).name)
1587                         return -EINVAL;
1588                 memset(i,0,sizeof(*i));
1589                 i->index = n;
1590                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1591                 strcpy(i->name,card_in(dev,n).name);
1592                 if (card_in(dev,n).tv)
1593                         i->type = V4L2_INPUT_TYPE_TUNER;
1594                 i->audioset = 1;
1595                 if (n == dev->ctl_input) {
1596                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1597                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1598
1599                         if (0 != (v1 & 0x40))
1600                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1601                         if (0 != (v2 & 0x40))
1602                                 i->status |= V4L2_IN_ST_NO_SYNC;
1603                         if (0 != (v2 & 0x0e))
1604                                 i->status |= V4L2_IN_ST_MACROVISION;
1605                 }
1606                 for (n = 0; n < TVNORMS; n++)
1607                         i->std |= tvnorms[n].id;
1608                 return 0;
1609         }
1610         case VIDIOC_G_INPUT:
1611         {
1612                 int *i = arg;
1613                 *i = dev->ctl_input;
1614                 return 0;
1615         }
1616         case VIDIOC_S_INPUT:
1617         {
1618                 int *i = arg;
1619
1620                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1621                         return -EINVAL;
1622                 if (NULL == card_in(dev,*i).name)
1623                         return -EINVAL;
1624                 down(&dev->lock);
1625                 video_mux(dev,*i);
1626                 up(&dev->lock);
1627                 return 0;
1628         }
1629
1630         }
1631         return 0;
1632 }
1633 EXPORT_SYMBOL(saa7134_common_ioctl);
1634
1635 /*
1636  * This function is _not_ called directly, but from
1637  * video_generic_ioctl (and maybe others).  userspace
1638  * copying is done already, arg is a kernel pointer.
1639  */
1640 static int video_do_ioctl(struct inode *inode, struct file *file,
1641                           unsigned int cmd, void *arg)
1642 {
1643         struct saa7134_fh *fh = file->private_data;
1644         struct saa7134_dev *dev = fh->dev;
1645         unsigned long flags;
1646         int err;
1647
1648         if (video_debug > 1)
1649                 saa7134_print_ioctl(dev->name,cmd);
1650
1651         switch (cmd) {
1652         case VIDIOC_S_CTRL:
1653         case VIDIOC_S_STD:
1654         case VIDIOC_S_INPUT:
1655         case VIDIOC_S_TUNER:
1656         case VIDIOC_S_FREQUENCY:
1657                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1658                 if (0 != err)
1659                         return err;
1660         }
1661
1662         switch (cmd) {
1663         case VIDIOC_QUERYCAP:
1664         {
1665                 struct v4l2_capability *cap = arg;
1666
1667                 memset(cap,0,sizeof(*cap));
1668                 strcpy(cap->driver, "saa7134");
1669                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1670                         sizeof(cap->card));
1671                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1672                 cap->version = SAA7134_VERSION_CODE;
1673                 cap->capabilities =
1674                         V4L2_CAP_VIDEO_CAPTURE |
1675                         V4L2_CAP_VIDEO_OVERLAY |
1676                         V4L2_CAP_VBI_CAPTURE |
1677                         V4L2_CAP_TUNER |
1678                         V4L2_CAP_READWRITE |
1679                         V4L2_CAP_STREAMING;
1680                 return 0;
1681         }
1682
1683         /* --- tv standards ------------------------------------------ */
1684         case VIDIOC_ENUMSTD:
1685         {
1686                 struct v4l2_standard *e = arg;
1687                 unsigned int i;
1688
1689                 i = e->index;
1690                 if (i >= TVNORMS)
1691                         return -EINVAL;
1692                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1693                                                tvnorms[e->index].name);
1694                 e->index = i;
1695                 if (err < 0)
1696                         return err;
1697                 return 0;
1698         }
1699         case VIDIOC_G_STD:
1700         {
1701                 v4l2_std_id *id = arg;
1702
1703                 *id = dev->tvnorm->id;
1704                 return 0;
1705         }
1706         case VIDIOC_S_STD:
1707         {
1708                 v4l2_std_id *id = arg;
1709                 unsigned int i;
1710
1711                 for (i = 0; i < TVNORMS; i++)
1712                         if (*id == tvnorms[i].id)
1713                                 break;
1714                 if (i == TVNORMS)
1715                         for (i = 0; i < TVNORMS; i++)
1716                                 if (*id & tvnorms[i].id)
1717                                         break;
1718                 if (i == TVNORMS)
1719                         return -EINVAL;
1720
1721                 down(&dev->lock);
1722                 if (res_check(fh, RESOURCE_OVERLAY)) {
1723                         spin_lock_irqsave(&dev->slock,flags);
1724                         stop_preview(dev,fh);
1725                         set_tvnorm(dev,&tvnorms[i]);
1726                         start_preview(dev,fh);
1727                         spin_unlock_irqrestore(&dev->slock,flags);
1728                 } else
1729                         set_tvnorm(dev,&tvnorms[i]);
1730                 saa7134_tvaudio_do_scan(dev);
1731                 up(&dev->lock);
1732                 return 0;
1733         }
1734
1735         case VIDIOC_CROPCAP:
1736         {
1737                 struct v4l2_cropcap *cap = arg;
1738
1739                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1740                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1741                         return -EINVAL;
1742                 cap->bounds  = dev->crop_bounds;
1743                 cap->defrect = dev->crop_defrect;
1744                 cap->pixelaspect.numerator   = 1;
1745                 cap->pixelaspect.denominator = 1;
1746                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1747                         cap->pixelaspect.numerator   = 11;
1748                         cap->pixelaspect.denominator = 10;
1749                 }
1750                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1751                         cap->pixelaspect.numerator   = 54;
1752                         cap->pixelaspect.denominator = 59;
1753                 }
1754                 return 0;
1755         }
1756
1757         case VIDIOC_G_CROP:
1758         {
1759                 struct v4l2_crop * crop = arg;
1760
1761                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1762                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1763                         return -EINVAL;
1764                 crop->c = dev->crop_current;
1765                 return 0;
1766         }
1767         case VIDIOC_S_CROP:
1768         {
1769                 struct v4l2_crop *crop = arg;
1770                 struct v4l2_rect *b = &dev->crop_bounds;
1771
1772                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1773                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1774                         return -EINVAL;
1775                 if (crop->c.height < 0)
1776                         return -EINVAL;
1777                 if (crop->c.width < 0)
1778                         return -EINVAL;
1779
1780                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1781                         return -EBUSY;
1782                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1783                         return -EBUSY;
1784
1785                 if (crop->c.top < b->top)
1786                         crop->c.top = b->top;
1787                 if (crop->c.top > b->top + b->height)
1788                         crop->c.top = b->top + b->height;
1789                 if (crop->c.height > b->top - crop->c.top + b->height)
1790                         crop->c.height = b->top - crop->c.top + b->height;
1791
1792                 if (crop->c.left < b->left)
1793                         crop->c.top = b->left;
1794                 if (crop->c.left > b->left + b->width)
1795                         crop->c.top = b->left + b->width;
1796                 if (crop->c.width > b->left - crop->c.left + b->width)
1797                         crop->c.width = b->left - crop->c.left + b->width;
1798
1799                 dev->crop_current = crop->c;
1800                 return 0;
1801         }
1802
1803         /* --- tuner ioctls ------------------------------------------ */
1804         case VIDIOC_G_TUNER:
1805         {
1806                 struct v4l2_tuner *t = arg;
1807                 int n;
1808
1809                 if (0 != t->index)
1810                         return -EINVAL;
1811                 memset(t,0,sizeof(*t));
1812                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1813                         if (card_in(dev,n).tv)
1814                                 break;
1815                 if (NULL != card_in(dev,n).name) {
1816                         strcpy(t->name, "Television");
1817                         t->capability = V4L2_TUNER_CAP_NORM |
1818                                 V4L2_TUNER_CAP_STEREO |
1819                                 V4L2_TUNER_CAP_LANG1 |
1820                                 V4L2_TUNER_CAP_LANG2;
1821                         t->rangehigh = 0xffffffffUL;
1822                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1823                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1824                 }
1825                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1826                         t->signal = 0xffff;
1827                 return 0;
1828         }
1829         case VIDIOC_S_TUNER:
1830         {
1831                 struct v4l2_tuner *t = arg;
1832                 int rx,mode;
1833
1834                 mode = dev->thread.mode;
1835                 if (UNSET == mode) {
1836                         rx   = saa7134_tvaudio_getstereo(dev);
1837                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1838                 }
1839                 if (mode != t->audmode) {
1840                         dev->thread.mode = t->audmode;
1841                 }
1842                 return 0;
1843         }
1844         case VIDIOC_G_FREQUENCY:
1845         {
1846                 struct v4l2_frequency *f = arg;
1847
1848                 memset(f,0,sizeof(*f));
1849                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1850                 f->frequency = dev->ctl_freq;
1851                 return 0;
1852         }
1853         case VIDIOC_S_FREQUENCY:
1854         {
1855                 struct v4l2_frequency *f = arg;
1856
1857                 if (0 != f->tuner)
1858                         return -EINVAL;
1859                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1860                         return -EINVAL;
1861                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1862                         return -EINVAL;
1863                 down(&dev->lock);
1864                 dev->ctl_freq = f->frequency;
1865 #ifdef V4L2_I2C_CLIENTS
1866                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1867 #else
1868                 saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq);
1869 #endif
1870                 saa7134_tvaudio_do_scan(dev);
1871                 up(&dev->lock);
1872                 return 0;
1873         }
1874
1875         /* --- control ioctls ---------------------------------------- */
1876         case VIDIOC_ENUMINPUT:
1877         case VIDIOC_G_INPUT:
1878         case VIDIOC_S_INPUT:
1879         case VIDIOC_QUERYCTRL:
1880         case VIDIOC_G_CTRL:
1881         case VIDIOC_S_CTRL:
1882                 return saa7134_common_ioctl(dev, cmd, arg);
1883
1884         case VIDIOC_G_AUDIO:
1885         {
1886                 struct v4l2_audio *a = arg;
1887
1888                 memset(a,0,sizeof(*a));
1889                 strcpy(a->name,"audio");
1890                 return 0;
1891         }
1892         case VIDIOC_S_AUDIO:
1893                 return 0;
1894         case VIDIOC_G_PARM:
1895         {
1896                 struct v4l2_captureparm *parm = arg;
1897                 memset(parm,0,sizeof(*parm));
1898                 return 0;
1899         }
1900
1901         case VIDIOC_G_PRIORITY:
1902         {
1903                 enum v4l2_priority *p = arg;
1904
1905                 *p = v4l2_prio_max(&dev->prio);
1906                 return 0;
1907         }
1908         case VIDIOC_S_PRIORITY:
1909         {
1910                 enum v4l2_priority *prio = arg;
1911
1912                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1913         }
1914
1915         /* --- preview ioctls ---------------------------------------- */
1916         case VIDIOC_ENUM_FMT:
1917         {
1918                 struct v4l2_fmtdesc *f = arg;
1919                 enum v4l2_buf_type type;
1920                 unsigned int index;
1921
1922                 index = f->index;
1923                 type  = f->type;
1924                 switch (type) {
1925                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1926                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1927                         if (index >= FORMATS)
1928                                 return -EINVAL;
1929                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1930                             formats[index].planar)
1931                                 return -EINVAL;
1932                         memset(f,0,sizeof(*f));
1933                         f->index = index;
1934                         f->type  = type;
1935                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1936                         f->pixelformat = formats[index].fourcc;
1937                         break;
1938                 case V4L2_BUF_TYPE_VBI_CAPTURE:
1939                         if (0 != index)
1940                                 return -EINVAL;
1941                         memset(f,0,sizeof(*f));
1942                         f->index = index;
1943                         f->type  = type;
1944                         f->pixelformat = V4L2_PIX_FMT_GREY;
1945                         strcpy(f->description,"vbi data");
1946                         break;
1947                 default:
1948                         return -EINVAL;
1949                 }
1950                 return 0;
1951         }
1952         case VIDIOC_G_FBUF:
1953         {
1954                 struct v4l2_framebuffer *fb = arg;
1955
1956                 *fb = dev->ovbuf;
1957                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1958                 return 0;
1959         }
1960         case VIDIOC_S_FBUF:
1961         {
1962                 struct v4l2_framebuffer *fb = arg;
1963                 struct saa7134_format *fmt;
1964
1965                 if(!capable(CAP_SYS_ADMIN) &&
1966                    !capable(CAP_SYS_RAWIO))
1967                         return -EPERM;
1968
1969                 /* check args */
1970                 fmt = format_by_fourcc(fb->fmt.pixelformat);
1971                 if (NULL == fmt)
1972                         return -EINVAL;
1973
1974                 /* ok, accept it */
1975                 dev->ovbuf = *fb;
1976                 dev->ovfmt = fmt;
1977                 if (0 == dev->ovbuf.fmt.bytesperline)
1978                         dev->ovbuf.fmt.bytesperline =
1979                                 dev->ovbuf.fmt.width*fmt->depth/8;
1980                 return 0;
1981         }
1982         case VIDIOC_OVERLAY:
1983         {
1984                 int *on = arg;
1985
1986                 if (*on) {
1987                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
1988                                 return -EBUSY;
1989                         spin_lock_irqsave(&dev->slock,flags);
1990                         start_preview(dev,fh);
1991                         spin_unlock_irqrestore(&dev->slock,flags);
1992                 }
1993                 if (!*on) {
1994                         if (!res_check(fh, RESOURCE_OVERLAY))
1995                                 return -EINVAL;
1996                         spin_lock_irqsave(&dev->slock,flags);
1997                         stop_preview(dev,fh);
1998                         spin_unlock_irqrestore(&dev->slock,flags);
1999                         res_free(dev,fh,RESOURCE_OVERLAY);
2000                 }
2001                 return 0;
2002         }
2003
2004         /* --- capture ioctls ---------------------------------------- */
2005         case VIDIOC_G_FMT:
2006         {
2007                 struct v4l2_format *f = arg;
2008                 return saa7134_g_fmt(dev,fh,f);
2009         }
2010         case VIDIOC_S_FMT:
2011         {
2012                 struct v4l2_format *f = arg;
2013                 return saa7134_s_fmt(dev,fh,f);
2014         }
2015         case VIDIOC_TRY_FMT:
2016         {
2017                 struct v4l2_format *f = arg;
2018                 return saa7134_try_fmt(dev,fh,f);
2019         }
2020
2021         case VIDIOCGMBUF:
2022         {
2023                 struct video_mbuf *mbuf = arg;
2024                 struct videobuf_queue *q;
2025                 struct v4l2_requestbuffers req;
2026                 unsigned int i;
2027
2028                 q = saa7134_queue(fh);
2029                 memset(&req,0,sizeof(req));
2030                 req.type   = q->type;
2031                 req.count  = gbuffers;
2032                 req.memory = V4L2_MEMORY_MMAP;
2033                 err = videobuf_reqbufs(q,&req);
2034                 if (err < 0)
2035                         return err;
2036                 memset(mbuf,0,sizeof(*mbuf));
2037                 mbuf->frames = req.count;
2038                 mbuf->size   = 0;
2039                 for (i = 0; i < mbuf->frames; i++) {
2040                         mbuf->offsets[i]  = q->bufs[i]->boff;
2041                         mbuf->size       += q->bufs[i]->bsize;
2042                 }
2043                 return 0;
2044         }
2045         case VIDIOC_REQBUFS:
2046                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2047
2048         case VIDIOC_QUERYBUF:
2049                 return videobuf_querybuf(saa7134_queue(fh),arg);
2050
2051         case VIDIOC_QBUF:
2052                 return videobuf_qbuf(saa7134_queue(fh),arg);
2053
2054         case VIDIOC_DQBUF:
2055                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2056                                       file->f_flags & O_NONBLOCK);
2057
2058         case VIDIOC_STREAMON:
2059         {
2060                 int res = saa7134_resource(fh);
2061
2062                 if (!res_get(dev,fh,res))
2063                         return -EBUSY;
2064                 return videobuf_streamon(saa7134_queue(fh));
2065         }
2066         case VIDIOC_STREAMOFF:
2067         {
2068                 int res = saa7134_resource(fh);
2069
2070                 err = videobuf_streamoff(saa7134_queue(fh));
2071                 if (err < 0)
2072                         return err;
2073                 res_free(dev,fh,res);
2074                 return 0;
2075         }
2076
2077         default:
2078                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2079                                                   video_do_ioctl);
2080         }
2081         return 0;
2082 }
2083
2084 static int video_ioctl(struct inode *inode, struct file *file,
2085                        unsigned int cmd, unsigned long arg)
2086 {
2087         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2088 }
2089
2090 static int radio_do_ioctl(struct inode *inode, struct file *file,
2091                           unsigned int cmd, void *arg)
2092 {
2093         struct saa7134_fh *fh = file->private_data;
2094         struct saa7134_dev *dev = fh->dev;
2095
2096         if (video_debug > 1)
2097                 saa7134_print_ioctl(dev->name,cmd);
2098         switch (cmd) {
2099         case VIDIOC_QUERYCAP:
2100         {
2101                 struct v4l2_capability *cap = arg;
2102
2103                 memset(cap,0,sizeof(*cap));
2104                 strcpy(cap->driver, "saa7134");
2105                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2106                         sizeof(cap->card));
2107                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2108                 cap->version = SAA7134_VERSION_CODE;
2109                 cap->capabilities = V4L2_CAP_TUNER;
2110                 return 0;
2111         }
2112         case VIDIOC_G_TUNER:
2113         {
2114                 struct v4l2_tuner *t = arg;
2115
2116                 if (0 != t->index)
2117                         return -EINVAL;
2118
2119                 memset(t,0,sizeof(*t));
2120                 strcpy(t->name, "Radio");
2121                 t->rangelow  = (int)(65*16);
2122                 t->rangehigh = (int)(108*16);
2123
2124 #ifdef V4L2_I2C_CLIENTS
2125                 saa7134_i2c_call_clients(dev,VIDIOC_G_TUNER,t);
2126 #else
2127                 {
2128                         struct video_tuner vt;
2129                         memset(&vt,0,sizeof(vt));
2130                         saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt);
2131                         t->signal = vt.signal;
2132                 }
2133 #endif
2134                 return 0;
2135         }
2136         case VIDIOC_ENUMINPUT:
2137         {
2138                 struct v4l2_input *i = arg;
2139
2140                 if (i->index != 0)
2141                         return -EINVAL;
2142                 strcpy(i->name,"Radio");
2143                 i->type = V4L2_INPUT_TYPE_TUNER;
2144                 return 0;
2145         }
2146         case VIDIOC_G_INPUT:
2147         {
2148                 int *i = arg;
2149                 *i = 0;
2150                 return 0;
2151         }
2152         case VIDIOC_G_AUDIO:
2153         {
2154                 struct v4l2_audio *a = arg;
2155
2156                 memset(a,0,sizeof(*a));
2157                 strcpy(a->name,"Radio");
2158                 return 0;
2159         }
2160         case VIDIOC_G_STD:
2161         {
2162                 v4l2_std_id *id = arg;
2163                 *id = 0;
2164                 return 0;
2165         }
2166         case VIDIOC_S_AUDIO:
2167         case VIDIOC_S_TUNER:
2168         case VIDIOC_S_INPUT:
2169         case VIDIOC_S_STD:
2170                 return 0;
2171
2172         case VIDIOC_QUERYCTRL:
2173         {
2174                 const struct v4l2_queryctrl *ctrl;
2175                 struct v4l2_queryctrl *c = arg;
2176
2177                 if (c->id <  V4L2_CID_BASE ||
2178                     c->id >= V4L2_CID_LASTP1)
2179                         return -EINVAL;
2180                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2181                         ctrl = ctrl_by_id(c->id);
2182                         *c = *ctrl;
2183                 } else
2184                         *c = no_ctrl;
2185                 return 0;
2186         }
2187
2188         case VIDIOC_G_CTRL:
2189         case VIDIOC_S_CTRL:
2190         case VIDIOC_G_FREQUENCY:
2191         case VIDIOC_S_FREQUENCY:
2192                 return video_do_ioctl(inode,file,cmd,arg);
2193
2194         default:
2195                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2196                                                   radio_do_ioctl);
2197         }
2198         return 0;
2199 }
2200
2201 static int radio_ioctl(struct inode *inode, struct file *file,
2202                        unsigned int cmd, unsigned long arg)
2203 {
2204         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2205 }
2206
2207 static struct file_operations video_fops =
2208 {
2209         .owner    = THIS_MODULE,
2210         .open     = video_open,
2211         .release  = video_release,
2212         .read     = video_read,
2213         .poll     = video_poll,
2214         .mmap     = video_mmap,
2215         .ioctl    = video_ioctl,
2216         .llseek   = no_llseek,
2217 };
2218
2219 static struct file_operations radio_fops =
2220 {
2221         .owner    = THIS_MODULE,
2222         .open     = video_open,
2223         .release  = video_release,
2224         .ioctl    = radio_ioctl,
2225         .llseek   = no_llseek,
2226 };
2227
2228 /* ----------------------------------------------------------- */
2229 /* exported stuff                                              */
2230
2231 struct video_device saa7134_video_template =
2232 {
2233         .name          = "saa7134-video",
2234         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2235                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2236         .hardware      = 0,
2237         .fops          = &video_fops,
2238         .minor         = -1,
2239 };
2240
2241 struct video_device saa7134_vbi_template =
2242 {
2243         .name          = "saa7134-vbi",
2244         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2245         .hardware      = 0,
2246         .fops          = &video_fops,
2247         .minor         = -1,
2248 };
2249
2250 struct video_device saa7134_radio_template =
2251 {
2252         .name          = "saa7134-radio",
2253         .type          = VID_TYPE_TUNER,
2254         .hardware      = 0,
2255         .fops          = &radio_fops,
2256         .minor         = -1,
2257 };
2258
2259 int saa7134_video_init1(struct saa7134_dev *dev)
2260 {
2261         /* sanitycheck insmod options */
2262         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2263                 gbuffers = 2;
2264         if (gbufsize < 0 || gbufsize > gbufsize_max)
2265                 gbufsize = gbufsize_max;
2266         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2267
2268         /* put some sensible defaults into the data structures ... */
2269         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2270         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2271         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2272         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2273         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2274         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2275         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2276         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2277
2278         if (dev->tda9887_conf && dev->ctl_automute)
2279                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2280         dev->automute       = 0;
2281
2282         INIT_LIST_HEAD(&dev->video_q.queue);
2283         init_timer(&dev->video_q.timeout);
2284         dev->video_q.timeout.function = saa7134_buffer_timeout;
2285         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2286         dev->video_q.dev              = dev;
2287
2288         if (saa7134_boards[dev->board].video_out) {
2289                 /* enable video output */
2290                 int vo = saa7134_boards[dev->board].video_out;
2291                 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2292                 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
2293                 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2294                 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2295                 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2296                 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
2297                 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
2298                 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2299                 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2300         }
2301
2302         return 0;
2303 }
2304
2305 int saa7134_video_init2(struct saa7134_dev *dev)
2306 {
2307         /* init video hw */
2308         set_tvnorm(dev,&tvnorms[0]);
2309         video_mux(dev,0);
2310         saa7134_tvaudio_setmute(dev);
2311         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2312         return 0;
2313 }
2314
2315 int saa7134_video_fini(struct saa7134_dev *dev)
2316 {
2317         /* nothing */
2318         return 0;
2319 }
2320
2321 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2322 {
2323         static const char *st[] = {
2324                 "(no signal)", "NTSC", "PAL", "SECAM" };
2325         u32 st1,st2;
2326
2327         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2328         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2329         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2330                 (st1 & 0x40) ? "not locked" : "locked",
2331                 (st2 & 0x40) ? "no"         : "yes",
2332                 st[st1 & 0x03]);
2333         dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2334
2335         if (dev->nosignal) {
2336                 /* no video signal -> mute audio */
2337                 if (dev->ctl_automute)
2338                         dev->automute = 1;
2339                 saa7134_tvaudio_setmute(dev);
2340                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2341         } else {
2342                 /* wake up tvaudio audio carrier scan thread */
2343                 saa7134_tvaudio_do_scan(dev);
2344                 if (!noninterlaced)
2345                         saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2346         }
2347         if (dev->mops && dev->mops->signal_change)
2348                 dev->mops->signal_change(dev);
2349 }
2350
2351 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2352 {
2353         enum v4l2_field field;
2354
2355         spin_lock(&dev->slock);
2356         if (dev->video_q.curr) {
2357                 dev->video_fieldcount++;
2358                 field = dev->video_q.curr->vb.field;
2359                 if (V4L2_FIELD_HAS_BOTH(field)) {
2360                         /* make sure we have seen both fields */
2361                         if ((status & 0x10) == 0x00) {
2362                                 dev->video_q.curr->top_seen = 1;
2363                                 goto done;
2364                         }
2365                         if (!dev->video_q.curr->top_seen)
2366                                 goto done;
2367                 } else if (field == V4L2_FIELD_TOP) {
2368                         if ((status & 0x10) != 0x10)
2369                                 goto done;
2370                 } else if (field == V4L2_FIELD_BOTTOM) {
2371                         if ((status & 0x10) != 0x00)
2372                                 goto done;
2373                 }
2374                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2375                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2376         }
2377         saa7134_buffer_next(dev,&dev->video_q);
2378
2379  done:
2380         spin_unlock(&dev->slock);
2381 }
2382
2383 /* ----------------------------------------------------------- */
2384 /*
2385  * Local variables:
2386  * c-basic-offset: 8
2387  * End:
2388  */