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

   1 /*
   2  *
   3  * device driver for philips saa7134 based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/kernel.h>
  27 #include <linux/slab.h>
  28 #include <linux/sort.h>
  29
  30 #include <media/v4l2-common.h>
  31 #include <media/v4l2-event.h>
  32 #include <media/saa6588.h>
  33
  34 #include "saa7134-reg.h"
  35 #include "saa7134.h"
  36
  37 /* ------------------------------------------------------------------ */
  38
  39 unsigned int video_debug;
  40 static unsigned int gbuffers      = 8;
  41 static unsigned int noninterlaced; /* 0 */
  42 static unsigned int gbufsize      = 720*576*4;
  43 static unsigned int gbufsize_max  = 720*576*4;
  44 static char secam[] = "--";
  45 module_param(video_debug, int, 0644);
  46 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  47 module_param(gbuffers, int, 0444);
  48 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  49 module_param(noninterlaced, int, 0644);
  50 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
  51 module_param_string(secam, secam, sizeof(secam), 0644);
  52 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
  53
  54
  55 #define dprintk(fmt, arg...)    if (video_debug&0x04) \
  56         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  57
  58 /* ------------------------------------------------------------------ */
  59 /* Defines for Video Output Port Register at address 0x191            */
  60
  61 /* Bit 0: VIP code T bit polarity */
  62
  63 #define VP_T_CODE_P_NON_INVERTED        0x00
  64 #define VP_T_CODE_P_INVERTED            0x01
  65
  66 /* ------------------------------------------------------------------ */
  67 /* Defines for Video Output Port Register at address 0x195            */
  68
  69 /* Bit 2: Video output clock delay control */
  70
  71 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
  72 #define VP_CLK_CTRL2_DELAYED            0x04
  73
  74 /* Bit 1: Video output clock invert control */
  75
  76 #define VP_CLK_CTRL1_NON_INVERTED       0x00
  77 #define VP_CLK_CTRL1_INVERTED           0x02
  78
  79 /* ------------------------------------------------------------------ */
  80 /* Defines for Video Output Port Register at address 0x196            */
  81
  82 /* Bits 2 to 0: VSYNC pin video vertical sync type */
  83
  84 #define VP_VS_TYPE_MASK                 0x07
  85
  86 #define VP_VS_TYPE_OFF                  0x00
  87 #define VP_VS_TYPE_V123                 0x01
  88 #define VP_VS_TYPE_V_ITU                0x02
  89 #define VP_VS_TYPE_VGATE_L              0x03
  90 #define VP_VS_TYPE_RESERVED1            0x04
  91 #define VP_VS_TYPE_RESERVED2            0x05
  92 #define VP_VS_TYPE_F_ITU                0x06
  93 #define VP_VS_TYPE_SC_FID               0x07
  94
  95 /* ------------------------------------------------------------------ */
  96 /* data structs for video                                             */
  97
  98 static int video_out[][9] = {
  99         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
 100 };
 101
 102 static struct saa7134_format formats[] = {
 103         {
 104                 .name     = "8 bpp gray",
 105                 .fourcc   = V4L2_PIX_FMT_GREY,
 106                 .depth    = 8,
 107                 .pm       = 0x06,
 108         },{
 109                 .name     = "15 bpp RGB, le",
 110                 .fourcc   = V4L2_PIX_FMT_RGB555,
 111                 .depth    = 16,
 112                 .pm       = 0x13 | 0x80,
 113         },{
 114                 .name     = "15 bpp RGB, be",
 115                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 116                 .depth    = 16,
 117                 .pm       = 0x13 | 0x80,
 118                 .bswap    = 1,
 119         },{
 120                 .name     = "16 bpp RGB, le",
 121                 .fourcc   = V4L2_PIX_FMT_RGB565,
 122                 .depth    = 16,
 123                 .pm       = 0x10 | 0x80,
 124         },{
 125                 .name     = "16 bpp RGB, be",
 126                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 127                 .depth    = 16,
 128                 .pm       = 0x10 | 0x80,
 129                 .bswap    = 1,
 130         },{
 131                 .name     = "24 bpp RGB, le",
 132                 .fourcc   = V4L2_PIX_FMT_BGR24,
 133                 .depth    = 24,
 134                 .pm       = 0x11,
 135         },{
 136                 .name     = "24 bpp RGB, be",
 137                 .fourcc   = V4L2_PIX_FMT_RGB24,
 138                 .depth    = 24,
 139                 .pm       = 0x11,
 140                 .bswap    = 1,
 141         },{
 142                 .name     = "32 bpp RGB, le",
 143                 .fourcc   = V4L2_PIX_FMT_BGR32,
 144                 .depth    = 32,
 145                 .pm       = 0x12,
 146         },{
 147                 .name     = "32 bpp RGB, be",
 148                 .fourcc   = V4L2_PIX_FMT_RGB32,
 149                 .depth    = 32,
 150                 .pm       = 0x12,
 151                 .bswap    = 1,
 152                 .wswap    = 1,
 153         },{
 154                 .name     = "4:2:2 packed, YUYV",
 155                 .fourcc   = V4L2_PIX_FMT_YUYV,
 156                 .depth    = 16,
 157                 .pm       = 0x00,
 158                 .bswap    = 1,
 159                 .yuv      = 1,
 160         },{
 161                 .name     = "4:2:2 packed, UYVY",
 162                 .fourcc   = V4L2_PIX_FMT_UYVY,
 163                 .depth    = 16,
 164                 .pm       = 0x00,
 165                 .yuv      = 1,
 166         },{
 167                 .name     = "4:2:2 planar, Y-Cb-Cr",
 168                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 169                 .depth    = 16,
 170                 .pm       = 0x09,
 171                 .yuv      = 1,
 172                 .planar   = 1,
 173                 .hshift   = 1,
 174                 .vshift   = 0,
 175         },{
 176                 .name     = "4:2:0 planar, Y-Cb-Cr",
 177                 .fourcc   = V4L2_PIX_FMT_YUV420,
 178                 .depth    = 12,
 179                 .pm       = 0x0a,
 180                 .yuv      = 1,
 181                 .planar   = 1,
 182                 .hshift   = 1,
 183                 .vshift   = 1,
 184         },{
 185                 .name     = "4:2:0 planar, Y-Cb-Cr",
 186                 .fourcc   = V4L2_PIX_FMT_YVU420,
 187                 .depth    = 12,
 188                 .pm       = 0x0a,
 189                 .yuv      = 1,
 190                 .planar   = 1,
 191                 .uvswap   = 1,
 192                 .hshift   = 1,
 193                 .vshift   = 1,
 194         }
 195 };
 196 #define FORMATS ARRAY_SIZE(formats)
 197
 198 #define NORM_625_50                     \
 199                 .h_start       = 0,     \
 200                 .h_stop        = 719,   \
 201                 .video_v_start = 24,    \
 202                 .video_v_stop  = 311,   \
 203                 .vbi_v_start_0 = 7,     \
 204                 .vbi_v_stop_0  = 23,    \
 205                 .vbi_v_start_1 = 319,   \
 206                 .src_timing    = 4
 207
 208 #define NORM_525_60                     \
 209                 .h_start       = 0,     \
 210                 .h_stop        = 719,   \
 211                 .video_v_start = 23,    \
 212                 .video_v_stop  = 262,   \
 213                 .vbi_v_start_0 = 10,    \
 214                 .vbi_v_stop_0  = 21,    \
 215                 .vbi_v_start_1 = 273,   \
 216                 .src_timing    = 7
 217
 218 static struct saa7134_tvnorm tvnorms[] = {
 219         {
 220                 .name          = "PAL", /* autodetect */
 221                 .id            = V4L2_STD_PAL,
 222                 NORM_625_50,
 223
 224                 .sync_control  = 0x18,
 225                 .luma_control  = 0x40,
 226                 .chroma_ctrl1  = 0x81,
 227                 .chroma_gain   = 0x2a,
 228                 .chroma_ctrl2  = 0x06,
 229                 .vgate_misc    = 0x1c,
 230
 231         },{
 232                 .name          = "PAL-BG",
 233                 .id            = V4L2_STD_PAL_BG,
 234                 NORM_625_50,
 235
 236                 .sync_control  = 0x18,
 237                 .luma_control  = 0x40,
 238                 .chroma_ctrl1  = 0x81,
 239                 .chroma_gain   = 0x2a,
 240                 .chroma_ctrl2  = 0x06,
 241                 .vgate_misc    = 0x1c,
 242
 243         },{
 244                 .name          = "PAL-I",
 245                 .id            = V4L2_STD_PAL_I,
 246                 NORM_625_50,
 247
 248                 .sync_control  = 0x18,
 249                 .luma_control  = 0x40,
 250                 .chroma_ctrl1  = 0x81,
 251                 .chroma_gain   = 0x2a,
 252                 .chroma_ctrl2  = 0x06,
 253                 .vgate_misc    = 0x1c,
 254
 255         },{
 256                 .name          = "PAL-DK",
 257                 .id            = V4L2_STD_PAL_DK,
 258                 NORM_625_50,
 259
 260                 .sync_control  = 0x18,
 261                 .luma_control  = 0x40,
 262                 .chroma_ctrl1  = 0x81,
 263                 .chroma_gain   = 0x2a,
 264                 .chroma_ctrl2  = 0x06,
 265                 .vgate_misc    = 0x1c,
 266
 267         },{
 268                 .name          = "NTSC",
 269                 .id            = V4L2_STD_NTSC,
 270                 NORM_525_60,
 271
 272                 .sync_control  = 0x59,
 273                 .luma_control  = 0x40,
 274                 .chroma_ctrl1  = 0x89,
 275                 .chroma_gain   = 0x2a,
 276                 .chroma_ctrl2  = 0x0e,
 277                 .vgate_misc    = 0x18,
 278
 279         },{
 280                 .name          = "SECAM",
 281                 .id            = V4L2_STD_SECAM,
 282                 NORM_625_50,
 283
 284                 .sync_control  = 0x18,
 285                 .luma_control  = 0x1b,
 286                 .chroma_ctrl1  = 0xd1,
 287                 .chroma_gain   = 0x80,
 288                 .chroma_ctrl2  = 0x00,
 289                 .vgate_misc    = 0x1c,
 290
 291         },{
 292                 .name          = "SECAM-DK",
 293                 .id            = V4L2_STD_SECAM_DK,
 294                 NORM_625_50,
 295
 296                 .sync_control  = 0x18,
 297                 .luma_control  = 0x1b,
 298                 .chroma_ctrl1  = 0xd1,
 299                 .chroma_gain   = 0x80,
 300                 .chroma_ctrl2  = 0x00,
 301                 .vgate_misc    = 0x1c,
 302
 303         },{
 304                 .name          = "SECAM-L",
 305                 .id            = V4L2_STD_SECAM_L,
 306                 NORM_625_50,
 307
 308                 .sync_control  = 0x18,
 309                 .luma_control  = 0x1b,
 310                 .chroma_ctrl1  = 0xd1,
 311                 .chroma_gain   = 0x80,
 312                 .chroma_ctrl2  = 0x00,
 313                 .vgate_misc    = 0x1c,
 314
 315         },{
 316                 .name          = "SECAM-Lc",
 317                 .id            = V4L2_STD_SECAM_LC,
 318                 NORM_625_50,
 319
 320                 .sync_control  = 0x18,
 321                 .luma_control  = 0x1b,
 322                 .chroma_ctrl1  = 0xd1,
 323                 .chroma_gain   = 0x80,
 324                 .chroma_ctrl2  = 0x00,
 325                 .vgate_misc    = 0x1c,
 326
 327         },{
 328                 .name          = "PAL-M",
 329                 .id            = V4L2_STD_PAL_M,
 330                 NORM_525_60,
 331
 332                 .sync_control  = 0x59,
 333                 .luma_control  = 0x40,
 334                 .chroma_ctrl1  = 0xb9,
 335                 .chroma_gain   = 0x2a,
 336                 .chroma_ctrl2  = 0x0e,
 337                 .vgate_misc    = 0x18,
 338
 339         },{
 340                 .name          = "PAL-Nc",
 341                 .id            = V4L2_STD_PAL_Nc,
 342                 NORM_625_50,
 343
 344                 .sync_control  = 0x18,
 345                 .luma_control  = 0x40,
 346                 .chroma_ctrl1  = 0xa1,
 347                 .chroma_gain   = 0x2a,
 348                 .chroma_ctrl2  = 0x06,
 349                 .vgate_misc    = 0x1c,
 350
 351         },{
 352                 .name          = "PAL-60",
 353                 .id            = V4L2_STD_PAL_60,
 354
 355                 .h_start       = 0,
 356                 .h_stop        = 719,
 357                 .video_v_start = 23,
 358                 .video_v_stop  = 262,
 359                 .vbi_v_start_0 = 10,
 360                 .vbi_v_stop_0  = 21,
 361                 .vbi_v_start_1 = 273,
 362                 .src_timing    = 7,
 363
 364                 .sync_control  = 0x18,
 365                 .luma_control  = 0x40,
 366                 .chroma_ctrl1  = 0x81,
 367                 .chroma_gain   = 0x2a,
 368                 .chroma_ctrl2  = 0x06,
 369                 .vgate_misc    = 0x1c,
 370         }
 371 };
 372 #define TVNORMS ARRAY_SIZE(tvnorms)
 373
 374 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 375 {
 376         unsigned int i;
 377
 378         for (i = 0; i < FORMATS; i++)
 379                 if (formats[i].fourcc == fourcc)
 380                         return formats+i;
 381         return NULL;
 382 }
 383
 384 /* ------------------------------------------------------------------ */
 385
 386 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 387 {
 388         dprintk("set tv norm = %s\n",norm->name);
 389         dev->tvnorm = norm;
 390
 391         /* setup cropping */
 392         dev->crop_bounds.left    = norm->h_start;
 393         dev->crop_defrect.left   = norm->h_start;
 394         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 395         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 396
 397         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 398         dev->crop_defrect.top    = norm->video_v_start*2;
 399         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 400                 - dev->crop_bounds.top;
 401         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 402
 403         dev->crop_current = dev->crop_defrect;
 404
 405         saa7134_set_tvnorm_hw(dev);
 406 }
 407
 408 static void video_mux(struct saa7134_dev *dev, int input)
 409 {
 410         dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
 411         dev->ctl_input = input;
 412         set_tvnorm(dev, dev->tvnorm);
 413         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 414 }
 415
 416
 417 static void saa7134_set_decoder(struct saa7134_dev *dev)
 418 {
 419         int luma_control, sync_control, chroma_ctrl1, mux;
 420
 421         struct saa7134_tvnorm *norm = dev->tvnorm;
 422         mux = card_in(dev, dev->ctl_input).vmux;
 423
 424         luma_control = norm->luma_control;
 425         sync_control = norm->sync_control;
 426         chroma_ctrl1 = norm->chroma_ctrl1;
 427
 428         if (mux > 5)
 429                 luma_control |= 0x80; /* svideo */
 430         if (noninterlaced || dev->nosignal)
 431                 sync_control |= 0x20;
 432
 433         /* switch on auto standard detection */
 434         sync_control |= SAA7134_SYNC_CTRL_AUFD;
 435         chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
 436         chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
 437         luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
 438
 439         /* setup video decoder */
 440         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 441         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 442         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 443
 444         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 445         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 446         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 447         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 448         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 449
 450         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 451         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 452         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 453
 454         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 455                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 456
 457         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 458                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 459
 460         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 461         saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
 462         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 463
 464         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 465         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 466
 467         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 468         saa_writeb(SAA7134_VGATE_START,           0x11);
 469         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 470         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 471         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 472         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 473 }
 474
 475 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 476 {
 477         saa7134_set_decoder(dev);
 478
 479         if (card_in(dev, dev->ctl_input).tv)
 480                 saa_call_all(dev, video, s_std, dev->tvnorm->id);
 481         /* Set the correct norm for the saa6752hs. This function
 482            does nothing if there is no saa6752hs. */
 483         saa_call_empress(dev, video, s_std, dev->tvnorm->id);
 484 }
 485
 486 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 487 {
 488         static const struct {
 489                 int xpsc;
 490                 int xacl;
 491                 int xc2_1;
 492                 int xdcg;
 493                 int vpfy;
 494         } vals[] = {
 495                 /* XPSC XACL XC2_1 XDCG VPFY */
 496                 {    1,   0,    0,    0,   0 },
 497                 {    2,   2,    1,    2,   2 },
 498                 {    3,   4,    1,    3,   2 },
 499                 {    4,   8,    1,    4,   2 },
 500                 {    5,   8,    1,    4,   2 },
 501                 {    6,   8,    1,    4,   3 },
 502                 {    7,   8,    1,    4,   3 },
 503                 {    8,  15,    0,    4,   3 },
 504                 {    9,  15,    0,    4,   3 },
 505                 {   10,  16,    1,    5,   3 },
 506         };
 507         static const int count = ARRAY_SIZE(vals);
 508         int i;
 509
 510         for (i = 0; i < count; i++)
 511                 if (vals[i].xpsc == prescale)
 512                         break;
 513         if (i == count)
 514                 return;
 515
 516         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 517         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 518         saa_writeb(SAA7134_LEVEL_CTRL(task),
 519                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 520         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 521                    (vals[i].vpfy << 2) | vals[i].vpfy);
 522 }
 523
 524 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 525 {
 526         int val,mirror;
 527
 528         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 529         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 530
 531         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 532         if (yscale < 2048) {
 533                 /* LPI */
 534                 dprintk("yscale LPI yscale=%d\n",yscale);
 535                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 536                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 537                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 538         } else {
 539                 /* ACM */
 540                 val = 0x40 * 1024 / yscale;
 541                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 542                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 543                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 544                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 545         }
 546         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 547 }
 548
 549 static void set_size(struct saa7134_dev *dev, int task,
 550                      int width, int height, int interlace)
 551 {
 552         int prescale,xscale,yscale,y_even,y_odd;
 553         int h_start, h_stop, v_start, v_stop;
 554         int div = interlace ? 2 : 1;
 555
 556         /* setup video scaler */
 557         h_start = dev->crop_current.left;
 558         v_start = dev->crop_current.top/2;
 559         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 560         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 561
 562         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 563         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 564         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 565         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 566         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 567         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 568         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 569         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 570
 571         prescale = dev->crop_current.width / width;
 572         if (0 == prescale)
 573                 prescale = 1;
 574         xscale = 1024 * dev->crop_current.width / prescale / width;
 575         yscale = 512 * div * dev->crop_current.height / height;
 576         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 577         set_h_prescale(dev,task,prescale);
 578         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 579         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 580         set_v_scale(dev,task,yscale);
 581
 582         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 583         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 584         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 585         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 586
 587         /* deinterlace y offsets */
 588         y_odd  = dev->ctl_y_odd;
 589         y_even = dev->ctl_y_even;
 590         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 591         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 592         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 593         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 594 }
 595
 596 /* ------------------------------------------------------------------ */
 597
 598 struct cliplist {
 599         __u16 position;
 600         __u8  enable;
 601         __u8  disable;
 602 };
 603
 604 static void set_cliplist(struct saa7134_dev *dev, int reg,
 605                         struct cliplist *cl, int entries, char *name)
 606 {
 607         __u8 winbits = 0;
 608         int i;
 609
 610         for (i = 0; i < entries; i++) {
 611                 winbits |= cl[i].enable;
 612                 winbits &= ~cl[i].disable;
 613                 if (i < 15 && cl[i].position == cl[i+1].position)
 614                         continue;
 615                 saa_writeb(reg + 0, winbits);
 616                 saa_writeb(reg + 2, cl[i].position & 0xff);
 617                 saa_writeb(reg + 3, cl[i].position >> 8);
 618                 dprintk("clip: %s winbits=%02x pos=%d\n",
 619                         name,winbits,cl[i].position);
 620                 reg += 8;
 621         }
 622         for (; reg < 0x400; reg += 8) {
 623                 saa_writeb(reg+ 0, 0);
 624                 saa_writeb(reg + 1, 0);
 625                 saa_writeb(reg + 2, 0);
 626                 saa_writeb(reg + 3, 0);
 627         }
 628 }
 629
 630 static int clip_range(int val)
 631 {
 632         if (val < 0)
 633                 val = 0;
 634         return val;
 635 }
 636
 637 /* Sort into smallest position first order */
 638 static int cliplist_cmp(const void *a, const void *b)
 639 {
 640         const struct cliplist *cla = a;
 641         const struct cliplist *clb = b;
 642         if (cla->position < clb->position)
 643                 return -1;
 644         if (cla->position > clb->position)
 645                 return 1;
 646         return 0;
 647 }
 648
 649 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 650                           int nclips, int interlace)
 651 {
 652         struct cliplist col[16], row[16];
 653         int cols = 0, rows = 0, i;
 654         int div = interlace ? 2 : 1;
 655
 656         memset(col, 0, sizeof(col));
 657         memset(row, 0, sizeof(row));
 658         for (i = 0; i < nclips && i < 8; i++) {
 659                 col[cols].position = clip_range(clips[i].c.left);
 660                 col[cols].enable   = (1 << i);
 661                 cols++;
 662                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 663                 col[cols].disable  = (1 << i);
 664                 cols++;
 665                 row[rows].position = clip_range(clips[i].c.top / div);
 666                 row[rows].enable   = (1 << i);
 667                 rows++;
 668                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 669                                                 / div);
 670                 row[rows].disable  = (1 << i);
 671                 rows++;
 672         }
 673         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 674         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 675         set_cliplist(dev,0x380,col,cols,"cols");
 676         set_cliplist(dev,0x384,row,rows,"rows");
 677         return 0;
 678 }
 679
 680 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
 681 {
 682         enum v4l2_field field;
 683         int maxw, maxh;
 684
 685         if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
 686                 return -EINVAL;
 687         if (win->w.width < 48)
 688                 win->w.width = 48;
 689         if (win->w.height < 32)
 690                 win->w.height = 32;
 691         if (win->clipcount > 8)
 692                 win->clipcount = 8;
 693
 694         win->chromakey = 0;
 695         win->global_alpha = 0;
 696         field = win->field;
 697         maxw  = dev->crop_current.width;
 698         maxh  = dev->crop_current.height;
 699
 700         if (V4L2_FIELD_ANY == field) {
 701                 field = (win->w.height > maxh/2)
 702                         ? V4L2_FIELD_INTERLACED
 703                         : V4L2_FIELD_TOP;
 704         }
 705         switch (field) {
 706         case V4L2_FIELD_TOP:
 707         case V4L2_FIELD_BOTTOM:
 708                 maxh = maxh / 2;
 709                 break;
 710         default:
 711                 field = V4L2_FIELD_INTERLACED;
 712                 break;
 713         }
 714
 715         win->field = field;
 716         if (win->w.width > maxw)
 717                 win->w.width = maxw;
 718         if (win->w.height > maxh)
 719                 win->w.height = maxh;
 720         return 0;
 721 }
 722
 723 static int start_preview(struct saa7134_dev *dev)
 724 {
 725         unsigned long base,control,bpl;
 726         int err;
 727
 728         err = verify_preview(dev, &dev->win, false);
 729         if (0 != err)
 730                 return err;
 731
 732         dev->ovfield = dev->win.field;
 733         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 734                 dev->win.w.width, dev->win.w.height,
 735                 dev->win.w.left, dev->win.w.top,
 736                 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
 737
 738         /* setup window + clipping */
 739         set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
 740                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 741         setup_clipping(dev, dev->clips, dev->nclips,
 742                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 743         if (dev->ovfmt->yuv)
 744                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 745         else
 746                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 747         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 748
 749         /* dma: setup channel 1 (= Video Task B) */
 750         base  = (unsigned long)dev->ovbuf.base;
 751         base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
 752         base += dev->ovfmt->depth/8         * dev->win.w.left;
 753         bpl   = dev->ovbuf.fmt.bytesperline;
 754         control = SAA7134_RS_CONTROL_BURST_16;
 755         if (dev->ovfmt->bswap)
 756                 control |= SAA7134_RS_CONTROL_BSWAP;
 757         if (dev->ovfmt->wswap)
 758                 control |= SAA7134_RS_CONTROL_WSWAP;
 759         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 760                 saa_writel(SAA7134_RS_BA1(1),base);
 761                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 762                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 763                 saa_writel(SAA7134_RS_CONTROL(1),control);
 764         } else {
 765                 saa_writel(SAA7134_RS_BA1(1),base);
 766                 saa_writel(SAA7134_RS_BA2(1),base);
 767                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 768                 saa_writel(SAA7134_RS_CONTROL(1),control);
 769         }
 770
 771         /* start dma */
 772         dev->ovenable = 1;
 773         saa7134_set_dmabits(dev);
 774
 775         return 0;
 776 }
 777
 778 static int stop_preview(struct saa7134_dev *dev)
 779 {
 780         dev->ovenable = 0;
 781         saa7134_set_dmabits(dev);
 782         return 0;
 783 }
 784
 785 /* ------------------------------------------------------------------ */
 786
 787 static int buffer_activate(struct saa7134_dev *dev,
 788                            struct saa7134_buf *buf,
 789                            struct saa7134_buf *next)
 790 {
 791         struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv;
 792         unsigned long base,control,bpl;
 793         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 794
 795         dprintk("buffer_activate buf=%p\n",buf);
 796         buf->top_seen = 0;
 797
 798         set_size(dev, TASK_A, dev->width, dev->height,
 799                  V4L2_FIELD_HAS_BOTH(dev->field));
 800         if (dev->fmt->yuv)
 801                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 802         else
 803                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 804         saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
 805
 806         /* DMA: setup channel 0 (= Video Task A0) */
 807         base  = saa7134_buffer_base(buf);
 808         if (dev->fmt->planar)
 809                 bpl = dev->width;
 810         else
 811                 bpl = (dev->width * dev->fmt->depth) / 8;
 812         control = SAA7134_RS_CONTROL_BURST_16 |
 813                 SAA7134_RS_CONTROL_ME |
 814                 (dmaq->pt.dma >> 12);
 815         if (dev->fmt->bswap)
 816                 control |= SAA7134_RS_CONTROL_BSWAP;
 817         if (dev->fmt->wswap)
 818                 control |= SAA7134_RS_CONTROL_WSWAP;
 819         if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 820                 /* interlaced */
 821                 saa_writel(SAA7134_RS_BA1(0),base);
 822                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 823                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 824         } else {
 825                 /* non-interlaced */
 826                 saa_writel(SAA7134_RS_BA1(0),base);
 827                 saa_writel(SAA7134_RS_BA2(0),base);
 828                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 829         }
 830         saa_writel(SAA7134_RS_CONTROL(0),control);
 831
 832         if (dev->fmt->planar) {
 833                 /* DMA: setup channel 4+5 (= planar task A) */
 834                 bpl_uv   = bpl >> dev->fmt->hshift;
 835                 lines_uv = dev->height >> dev->fmt->vshift;
 836                 base2    = base + bpl * dev->height;
 837                 base3    = base2 + bpl_uv * lines_uv;
 838                 if (dev->fmt->uvswap)
 839                         tmp = base2, base2 = base3, base3 = tmp;
 840                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 841                         bpl_uv,lines_uv,base2,base3);
 842                 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 843                         /* interlaced */
 844                         saa_writel(SAA7134_RS_BA1(4),base2);
 845                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 846                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 847                         saa_writel(SAA7134_RS_BA1(5),base3);
 848                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 849                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 850                 } else {
 851                         /* non-interlaced */
 852                         saa_writel(SAA7134_RS_BA1(4),base2);
 853                         saa_writel(SAA7134_RS_BA2(4),base2);
 854                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 855                         saa_writel(SAA7134_RS_BA1(5),base3);
 856                         saa_writel(SAA7134_RS_BA2(5),base3);
 857                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 858                 }
 859                 saa_writel(SAA7134_RS_CONTROL(4),control);
 860                 saa_writel(SAA7134_RS_CONTROL(5),control);
 861         }
 862
 863         /* start DMA */
 864         saa7134_set_dmabits(dev);
 865         mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
 866         return 0;
 867 }
 868
 869 static int buffer_init(struct vb2_buffer *vb2)
 870 {
 871         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 872         struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
 873
 874         dmaq->curr = NULL;
 875         buf->activate = buffer_activate;
 876         return 0;
 877 }
 878
 879 static int buffer_prepare(struct vb2_buffer *vb2)
 880 {
 881         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 882         struct saa7134_dev *dev = dmaq->dev;
 883         struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
 884         struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
 885         unsigned int size;
 886
 887         if (dma->sgl->offset) {
 888                 pr_err("The buffer is not page-aligned\n");
 889                 return -EINVAL;
 890         }
 891         size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 892         if (vb2_plane_size(vb2, 0) < size)
 893                 return -EINVAL;
 894
 895         vb2_set_plane_payload(vb2, 0, size);
 896         vb2->v4l2_buf.field = dev->field;
 897
 898         return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
 899                                     saa7134_buffer_startpage(buf));
 900 }
 901
 902 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
 903                            unsigned int *nbuffers, unsigned int *nplanes,
 904                            unsigned int sizes[], void *alloc_ctxs[])
 905 {
 906         struct saa7134_dmaqueue *dmaq = q->drv_priv;
 907         struct saa7134_dev *dev = dmaq->dev;
 908         int size = dev->fmt->depth * dev->width * dev->height >> 3;
 909
 910         if (dev->width    < 48 ||
 911             dev->height   < 32 ||
 912             dev->width/4  > dev->crop_current.width  ||
 913             dev->height/4 > dev->crop_current.height ||
 914             dev->width    > dev->crop_bounds.width  ||
 915             dev->height   > dev->crop_bounds.height)
 916                 return -EINVAL;
 917
 918         *nbuffers = saa7134_buffer_count(size, *nbuffers);
 919         *nplanes = 1;
 920         sizes[0] = size;
 921         alloc_ctxs[0] = dev->alloc_ctx;
 922         return 0;
 923 }
 924
 925 /*
 926  * move buffer to hardware queue
 927  */
 928 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
 929 {
 930         struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
 931         struct saa7134_dev *dev = dmaq->dev;
 932         struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2);
 933
 934         saa7134_buffer_queue(dev, dmaq, buf);
 935 }
 936 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
 937
 938 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
 939 {
 940         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
 941         struct saa7134_dev *dev = dmaq->dev;
 942
 943         /*
 944          * Planar video capture and TS share the same DMA channel,
 945          * so only one can be active at a time.
 946          */
 947         if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
 948             dmaq == &dev->video_q && dev->fmt->planar) {
 949                 struct saa7134_buf *buf, *tmp;
 950
 951                 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
 952                         list_del(&buf->entry);
 953                         vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED);
 954                 }
 955                 if (dmaq->curr) {
 956                         vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED);
 957                         dmaq->curr = NULL;
 958                 }
 959                 return -EBUSY;
 960         }
 961
 962         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
 963          * configured conservatively, there's 22 usec of buffering for video.
 964          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
 965          * margin in case the FIFO is configured differently to the datasheet.
 966          * Unfortunately, I lack register-level documentation to check the
 967          * Linux FIFO setup and confirm the perfect value.
 968          */
 969         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
 970             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
 971                 pm_qos_add_request(&dev->qos_request,
 972                         PM_QOS_CPU_DMA_LATENCY, 20);
 973         dmaq->seq_nr = 0;
 974
 975         return 0;
 976 }
 977
 978 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
 979 {
 980         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
 981         struct saa7134_dev *dev = dmaq->dev;
 982
 983         saa7134_stop_streaming(dev, dmaq);
 984
 985         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
 986             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
 987                 pm_qos_remove_request(&dev->qos_request);
 988 }
 989
 990 static struct vb2_ops vb2_qops = {
 991         .queue_setup    = queue_setup,
 992         .buf_init       = buffer_init,
 993         .buf_prepare    = buffer_prepare,
 994         .buf_queue      = saa7134_vb2_buffer_queue,
 995         .wait_prepare   = vb2_ops_wait_prepare,
 996         .wait_finish    = vb2_ops_wait_finish,
 997         .start_streaming = saa7134_vb2_start_streaming,
 998         .stop_streaming = saa7134_vb2_stop_streaming,
 999 };
1000
1001 /* ------------------------------------------------------------------ */
1002
1003 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1004 {
1005         struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1006         unsigned long flags;
1007         int restart_overlay = 0;
1008
1009         switch (ctrl->id) {
1010         case V4L2_CID_BRIGHTNESS:
1011                 dev->ctl_bright = ctrl->val;
1012                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1013                 break;
1014         case V4L2_CID_HUE:
1015                 dev->ctl_hue = ctrl->val;
1016                 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1017                 break;
1018         case V4L2_CID_CONTRAST:
1019                 dev->ctl_contrast = ctrl->val;
1020                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1021                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1022                 break;
1023         case V4L2_CID_SATURATION:
1024                 dev->ctl_saturation = ctrl->val;
1025                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1026                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1027                 break;
1028         case V4L2_CID_AUDIO_MUTE:
1029                 dev->ctl_mute = ctrl->val;
1030                 saa7134_tvaudio_setmute(dev);
1031                 break;
1032         case V4L2_CID_AUDIO_VOLUME:
1033                 dev->ctl_volume = ctrl->val;
1034                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1035                 break;
1036         case V4L2_CID_PRIVATE_INVERT:
1037                 dev->ctl_invert = ctrl->val;
1038                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1039                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1040                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1041                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1042                 break;
1043         case V4L2_CID_HFLIP:
1044                 dev->ctl_mirror = ctrl->val;
1045                 restart_overlay = 1;
1046                 break;
1047         case V4L2_CID_PRIVATE_Y_EVEN:
1048                 dev->ctl_y_even = ctrl->val;
1049                 restart_overlay = 1;
1050                 break;
1051         case V4L2_CID_PRIVATE_Y_ODD:
1052                 dev->ctl_y_odd = ctrl->val;
1053                 restart_overlay = 1;
1054                 break;
1055         case V4L2_CID_PRIVATE_AUTOMUTE:
1056         {
1057                 struct v4l2_priv_tun_config tda9887_cfg;
1058
1059                 tda9887_cfg.tuner = TUNER_TDA9887;
1060                 tda9887_cfg.priv = &dev->tda9887_conf;
1061
1062                 dev->ctl_automute = ctrl->val;
1063                 if (dev->tda9887_conf) {
1064                         if (dev->ctl_automute)
1065                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1066                         else
1067                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1068
1069                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1070                 }
1071                 break;
1072         }
1073         default:
1074                 return -EINVAL;
1075         }
1076         if (restart_overlay && dev->overlay_owner) {
1077                 spin_lock_irqsave(&dev->slock, flags);
1078                 stop_preview(dev);
1079                 start_preview(dev);
1080                 spin_unlock_irqrestore(&dev->slock, flags);
1081         }
1082         return 0;
1083 }
1084
1085 /* ------------------------------------------------------------------ */
1086
1087 static int video_open(struct file *file)
1088 {
1089         struct video_device *vdev = video_devdata(file);
1090         struct saa7134_dev *dev = video_drvdata(file);
1091         int ret = v4l2_fh_open(file);
1092
1093         if (ret < 0)
1094                 return ret;
1095
1096         mutex_lock(&dev->lock);
1097         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1098                 /* switch to radio mode */
1099                 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1100                 saa_call_all(dev, tuner, s_radio);
1101         } else {
1102                 /* switch to video/vbi mode */
1103                 video_mux(dev, dev->ctl_input);
1104         }
1105         mutex_unlock(&dev->lock);
1106
1107         return 0;
1108 }
1109
1110 static int video_release(struct file *file)
1111 {
1112         struct video_device *vdev = video_devdata(file);
1113         struct saa7134_dev *dev = video_drvdata(file);
1114         struct v4l2_fh *fh = file->private_data;
1115         struct saa6588_command cmd;
1116         unsigned long flags;
1117
1118         mutex_lock(&dev->lock);
1119         saa7134_tvaudio_close(dev);
1120
1121         /* turn off overlay */
1122         if (fh == dev->overlay_owner) {
1123                 spin_lock_irqsave(&dev->slock,flags);
1124                 stop_preview(dev);
1125                 spin_unlock_irqrestore(&dev->slock,flags);
1126                 dev->overlay_owner = NULL;
1127         }
1128
1129         if (vdev->vfl_type == VFL_TYPE_RADIO)
1130                 v4l2_fh_release(file);
1131         else
1132                 _vb2_fop_release(file, NULL);
1133
1134         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1135         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1136         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1137         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1138         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1139
1140         saa_call_all(dev, core, s_power, 0);
1141         if (vdev->vfl_type == VFL_TYPE_RADIO)
1142                 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1143         mutex_unlock(&dev->lock);
1144
1145         return 0;
1146 }
1147
1148 static ssize_t radio_read(struct file *file, char __user *data,
1149                          size_t count, loff_t *ppos)
1150 {
1151         struct saa7134_dev *dev = video_drvdata(file);
1152         struct saa6588_command cmd;
1153
1154         cmd.block_count = count/3;
1155         cmd.nonblocking = file->f_flags & O_NONBLOCK;
1156         cmd.buffer = data;
1157         cmd.instance = file;
1158         cmd.result = -ENODEV;
1159
1160         mutex_lock(&dev->lock);
1161         saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1162         mutex_unlock(&dev->lock);
1163
1164         return cmd.result;
1165 }
1166
1167 static unsigned int radio_poll(struct file *file, poll_table *wait)
1168 {
1169         struct saa7134_dev *dev = video_drvdata(file);
1170         struct saa6588_command cmd;
1171         unsigned int rc = v4l2_ctrl_poll(file, wait);
1172
1173         cmd.instance = file;
1174         cmd.event_list = wait;
1175         cmd.result = 0;
1176         mutex_lock(&dev->lock);
1177         saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1178         mutex_unlock(&dev->lock);
1179
1180         return rc | cmd.result;
1181 }
1182
1183 /* ------------------------------------------------------------------ */
1184
1185 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1186                                                 struct v4l2_format *f)
1187 {
1188         struct saa7134_dev *dev = video_drvdata(file);
1189         struct saa7134_tvnorm *norm = dev->tvnorm;
1190
1191         memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1192         f->fmt.vbi.sampling_rate = 6750000 * 4;
1193         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1194         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1195         f->fmt.vbi.offset = 64 * 4;
1196         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1197         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1198         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1199         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1200         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1201
1202         return 0;
1203 }
1204
1205 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1206                                 struct v4l2_format *f)
1207 {
1208         struct saa7134_dev *dev = video_drvdata(file);
1209
1210         f->fmt.pix.width        = dev->width;
1211         f->fmt.pix.height       = dev->height;
1212         f->fmt.pix.field        = dev->field;
1213         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1214         f->fmt.pix.bytesperline =
1215                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1216         f->fmt.pix.sizeimage =
1217                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1218         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1219         return 0;
1220 }
1221
1222 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1223                                 struct v4l2_format *f)
1224 {
1225         struct saa7134_dev *dev = video_drvdata(file);
1226         struct v4l2_clip __user *clips = f->fmt.win.clips;
1227         u32 clipcount = f->fmt.win.clipcount;
1228         int err = 0;
1229         int i;
1230
1231         if (saa7134_no_overlay > 0) {
1232                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1233                 return -EINVAL;
1234         }
1235         f->fmt.win = dev->win;
1236         f->fmt.win.clips = clips;
1237         if (clips == NULL)
1238                 clipcount = 0;
1239         if (dev->nclips < clipcount)
1240                 clipcount = dev->nclips;
1241         f->fmt.win.clipcount = clipcount;
1242
1243         for (i = 0; !err && i < clipcount; i++) {
1244                 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1245                                         sizeof(struct v4l2_rect)))
1246                         err = -EFAULT;
1247         }
1248
1249         return err;
1250 }
1251
1252 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1253                                                 struct v4l2_format *f)
1254 {
1255         struct saa7134_dev *dev = video_drvdata(file);
1256         struct saa7134_format *fmt;
1257         enum v4l2_field field;
1258         unsigned int maxw, maxh;
1259
1260         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1261         if (NULL == fmt)
1262                 return -EINVAL;
1263
1264         field = f->fmt.pix.field;
1265         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1266         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1267
1268         if (V4L2_FIELD_ANY == field) {
1269                 field = (f->fmt.pix.height > maxh/2)
1270                         ? V4L2_FIELD_INTERLACED
1271                         : V4L2_FIELD_BOTTOM;
1272         }
1273         switch (field) {
1274         case V4L2_FIELD_TOP:
1275         case V4L2_FIELD_BOTTOM:
1276                 maxh = maxh / 2;
1277                 break;
1278         default:
1279                 field = V4L2_FIELD_INTERLACED;
1280                 break;
1281         }
1282
1283         f->fmt.pix.field = field;
1284         if (f->fmt.pix.width  < 48)
1285                 f->fmt.pix.width  = 48;
1286         if (f->fmt.pix.height < 32)
1287                 f->fmt.pix.height = 32;
1288         if (f->fmt.pix.width > maxw)
1289                 f->fmt.pix.width = maxw;
1290         if (f->fmt.pix.height > maxh)
1291                 f->fmt.pix.height = maxh;
1292         f->fmt.pix.width &= ~0x03;
1293         f->fmt.pix.bytesperline =
1294                 (f->fmt.pix.width * fmt->depth) >> 3;
1295         f->fmt.pix.sizeimage =
1296                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1297         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1298
1299         return 0;
1300 }
1301
1302 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1303                                                 struct v4l2_format *f)
1304 {
1305         struct saa7134_dev *dev = video_drvdata(file);
1306
1307         if (saa7134_no_overlay > 0) {
1308                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1309                 return -EINVAL;
1310         }
1311
1312         if (f->fmt.win.clips == NULL)
1313                 f->fmt.win.clipcount = 0;
1314         return verify_preview(dev, &f->fmt.win, true);
1315 }
1316
1317 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1318                                         struct v4l2_format *f)
1319 {
1320         struct saa7134_dev *dev = video_drvdata(file);
1321         int err;
1322
1323         err = saa7134_try_fmt_vid_cap(file, priv, f);
1324         if (0 != err)
1325                 return err;
1326
1327         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1328         dev->width = f->fmt.pix.width;
1329         dev->height = f->fmt.pix.height;
1330         dev->field = f->fmt.pix.field;
1331         return 0;
1332 }
1333
1334 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1335                                         struct v4l2_format *f)
1336 {
1337         struct saa7134_dev *dev = video_drvdata(file);
1338         int err;
1339         unsigned long flags;
1340
1341         if (saa7134_no_overlay > 0) {
1342                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1343                 return -EINVAL;
1344         }
1345         if (f->fmt.win.clips == NULL)
1346                 f->fmt.win.clipcount = 0;
1347         err = verify_preview(dev, &f->fmt.win, true);
1348         if (0 != err)
1349                 return err;
1350
1351         dev->win    = f->fmt.win;
1352         dev->nclips = f->fmt.win.clipcount;
1353
1354         if (copy_from_user(dev->clips, f->fmt.win.clips,
1355                            sizeof(struct v4l2_clip) * dev->nclips))
1356                 return -EFAULT;
1357
1358         if (priv == dev->overlay_owner) {
1359                 spin_lock_irqsave(&dev->slock, flags);
1360                 stop_preview(dev);
1361                 start_preview(dev);
1362                 spin_unlock_irqrestore(&dev->slock, flags);
1363         }
1364
1365         return 0;
1366 }
1367
1368 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1369 {
1370         struct saa7134_dev *dev = video_drvdata(file);
1371         unsigned int n;
1372
1373         n = i->index;
1374         if (n >= SAA7134_INPUT_MAX)
1375                 return -EINVAL;
1376         if (NULL == card_in(dev, i->index).name)
1377                 return -EINVAL;
1378         i->index = n;
1379         i->type  = V4L2_INPUT_TYPE_CAMERA;
1380         strcpy(i->name, card_in(dev, n).name);
1381         if (card_in(dev, n).tv)
1382                 i->type = V4L2_INPUT_TYPE_TUNER;
1383         if (n == dev->ctl_input) {
1384                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1385                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1386
1387                 if (0 != (v1 & 0x40))
1388                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1389                 if (0 != (v2 & 0x40))
1390                         i->status |= V4L2_IN_ST_NO_SIGNAL;
1391                 if (0 != (v2 & 0x0e))
1392                         i->status |= V4L2_IN_ST_MACROVISION;
1393         }
1394         i->std = SAA7134_NORMS;
1395         return 0;
1396 }
1397 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1398
1399 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1400 {
1401         struct saa7134_dev *dev = video_drvdata(file);
1402
1403         *i = dev->ctl_input;
1404         return 0;
1405 }
1406 EXPORT_SYMBOL_GPL(saa7134_g_input);
1407
1408 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1409 {
1410         struct saa7134_dev *dev = video_drvdata(file);
1411
1412         if (i >= SAA7134_INPUT_MAX)
1413                 return -EINVAL;
1414         if (NULL == card_in(dev, i).name)
1415                 return -EINVAL;
1416         video_mux(dev, i);
1417         return 0;
1418 }
1419 EXPORT_SYMBOL_GPL(saa7134_s_input);
1420
1421 int saa7134_querycap(struct file *file, void *priv,
1422                                         struct v4l2_capability *cap)
1423 {
1424         struct saa7134_dev *dev = video_drvdata(file);
1425         struct video_device *vdev = video_devdata(file);
1426         u32 radio_caps, video_caps, vbi_caps;
1427
1428         unsigned int tuner_type = dev->tuner_type;
1429
1430         strcpy(cap->driver, "saa7134");
1431         strlcpy(cap->card, saa7134_boards[dev->board].name,
1432                 sizeof(cap->card));
1433         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1434
1435         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1436         if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1437                 cap->device_caps |= V4L2_CAP_TUNER;
1438
1439         radio_caps = V4L2_CAP_RADIO;
1440         if (dev->has_rds)
1441                 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1442
1443         video_caps = V4L2_CAP_VIDEO_CAPTURE;
1444         if (saa7134_no_overlay <= 0 && !is_empress(file))
1445                 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1446
1447         vbi_caps = V4L2_CAP_VBI_CAPTURE;
1448
1449         switch (vdev->vfl_type) {
1450         case VFL_TYPE_RADIO:
1451                 cap->device_caps |= radio_caps;
1452                 break;
1453         case VFL_TYPE_GRABBER:
1454                 cap->device_caps |= video_caps;
1455                 break;
1456         case VFL_TYPE_VBI:
1457                 cap->device_caps |= vbi_caps;
1458                 break;
1459         }
1460         cap->capabilities = radio_caps | video_caps | vbi_caps |
1461                 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1462         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1463                 cap->device_caps &= ~V4L2_CAP_STREAMING;
1464                 if (!dev->has_rds)
1465                         cap->device_caps &= ~V4L2_CAP_READWRITE;
1466         }
1467
1468         return 0;
1469 }
1470 EXPORT_SYMBOL_GPL(saa7134_querycap);
1471
1472 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1473 {
1474         struct saa7134_dev *dev = video_drvdata(file);
1475         struct v4l2_fh *fh = priv;
1476         unsigned long flags;
1477         unsigned int i;
1478         v4l2_std_id fixup;
1479
1480         if (is_empress(file) && dev->overlay_owner) {
1481                 /* Don't change the std from the mpeg device
1482                    if overlay is active. */
1483                 return -EBUSY;
1484         }
1485
1486         for (i = 0; i < TVNORMS; i++)
1487                 if (id == tvnorms[i].id)
1488                         break;
1489
1490         if (i == TVNORMS)
1491                 for (i = 0; i < TVNORMS; i++)
1492                         if (id & tvnorms[i].id)
1493                                 break;
1494         if (i == TVNORMS)
1495                 return -EINVAL;
1496
1497         if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1498                 if (secam[0] == 'L' || secam[0] == 'l') {
1499                         if (secam[1] == 'C' || secam[1] == 'c')
1500                                 fixup = V4L2_STD_SECAM_LC;
1501                         else
1502                                 fixup = V4L2_STD_SECAM_L;
1503                 } else {
1504                         if (secam[0] == 'D' || secam[0] == 'd')
1505                                 fixup = V4L2_STD_SECAM_DK;
1506                         else
1507                                 fixup = V4L2_STD_SECAM;
1508                 }
1509                 for (i = 0; i < TVNORMS; i++) {
1510                         if (fixup == tvnorms[i].id)
1511                                 break;
1512                 }
1513                 if (i == TVNORMS)
1514                         return -EINVAL;
1515         }
1516
1517         id = tvnorms[i].id;
1518
1519         if (!is_empress(file) && fh == dev->overlay_owner) {
1520                 spin_lock_irqsave(&dev->slock, flags);
1521                 stop_preview(dev);
1522                 spin_unlock_irqrestore(&dev->slock, flags);
1523
1524                 set_tvnorm(dev, &tvnorms[i]);
1525
1526                 spin_lock_irqsave(&dev->slock, flags);
1527                 start_preview(dev);
1528                 spin_unlock_irqrestore(&dev->slock, flags);
1529         } else
1530                 set_tvnorm(dev, &tvnorms[i]);
1531
1532         saa7134_tvaudio_do_scan(dev);
1533         return 0;
1534 }
1535 EXPORT_SYMBOL_GPL(saa7134_s_std);
1536
1537 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1538 {
1539         struct saa7134_dev *dev = video_drvdata(file);
1540
1541         *id = dev->tvnorm->id;
1542         return 0;
1543 }
1544 EXPORT_SYMBOL_GPL(saa7134_g_std);
1545
1546 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1547 {
1548         static v4l2_std_id stds[] = {
1549                 V4L2_STD_UNKNOWN,
1550                 V4L2_STD_NTSC,
1551                 V4L2_STD_PAL,
1552                 V4L2_STD_SECAM };
1553
1554         v4l2_std_id result = 0;
1555
1556         u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1557         u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1558
1559         if (!(st2 & 0x1)) /* RDCAP == 0 */
1560                 result = V4L2_STD_UNKNOWN;
1561         else
1562                 result = stds[st1 & 0x03];
1563
1564         return result;
1565 }
1566
1567 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1568 {
1569         struct saa7134_dev *dev = video_drvdata(file);
1570         *std &= saa7134_read_std(dev);
1571         return 0;
1572 }
1573 EXPORT_SYMBOL_GPL(saa7134_querystd);
1574
1575 static int saa7134_cropcap(struct file *file, void *priv,
1576                                         struct v4l2_cropcap *cap)
1577 {
1578         struct saa7134_dev *dev = video_drvdata(file);
1579
1580         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1581             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1582                 return -EINVAL;
1583         cap->bounds  = dev->crop_bounds;
1584         cap->defrect = dev->crop_defrect;
1585         cap->pixelaspect.numerator   = 1;
1586         cap->pixelaspect.denominator = 1;
1587         if (dev->tvnorm->id & V4L2_STD_525_60) {
1588                 cap->pixelaspect.numerator   = 11;
1589                 cap->pixelaspect.denominator = 10;
1590         }
1591         if (dev->tvnorm->id & V4L2_STD_625_50) {
1592                 cap->pixelaspect.numerator   = 54;
1593                 cap->pixelaspect.denominator = 59;
1594         }
1595         return 0;
1596 }
1597
1598 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1599 {
1600         struct saa7134_dev *dev = video_drvdata(file);
1601
1602         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1603             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1604                 return -EINVAL;
1605         crop->c = dev->crop_current;
1606         return 0;
1607 }
1608
1609 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1610 {
1611         struct saa7134_dev *dev = video_drvdata(file);
1612         struct v4l2_rect *b = &dev->crop_bounds;
1613         struct v4l2_rect *c = &dev->crop_current;
1614
1615         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1616             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1617                 return -EINVAL;
1618
1619         if (dev->overlay_owner)
1620                 return -EBUSY;
1621         if (vb2_is_streaming(&dev->video_vbq))
1622                 return -EBUSY;
1623
1624         *c = crop->c;
1625         if (c->top < b->top)
1626                 c->top = b->top;
1627         if (c->top > b->top + b->height)
1628                 c->top = b->top + b->height;
1629         if (c->height > b->top - c->top + b->height)
1630                 c->height = b->top - c->top + b->height;
1631
1632         if (c->left < b->left)
1633                 c->left = b->left;
1634         if (c->left > b->left + b->width)
1635                 c->left = b->left + b->width;
1636         if (c->width > b->left - c->left + b->width)
1637                 c->width = b->left - c->left + b->width;
1638         return 0;
1639 }
1640
1641 int saa7134_g_tuner(struct file *file, void *priv,
1642                                         struct v4l2_tuner *t)
1643 {
1644         struct saa7134_dev *dev = video_drvdata(file);
1645         int n;
1646
1647         if (0 != t->index)
1648                 return -EINVAL;
1649         memset(t, 0, sizeof(*t));
1650         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1651                 if (card_in(dev, n).tv)
1652                         break;
1653         }
1654         if (n == SAA7134_INPUT_MAX)
1655                 return -EINVAL;
1656         if (NULL != card_in(dev, n).name) {
1657                 strcpy(t->name, "Television");
1658                 t->type = V4L2_TUNER_ANALOG_TV;
1659                 saa_call_all(dev, tuner, g_tuner, t);
1660                 t->capability = V4L2_TUNER_CAP_NORM |
1661                         V4L2_TUNER_CAP_STEREO |
1662                         V4L2_TUNER_CAP_LANG1 |
1663                         V4L2_TUNER_CAP_LANG2;
1664                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1665                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1666         }
1667         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1668                 t->signal = 0xffff;
1669         return 0;
1670 }
1671 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1672
1673 int saa7134_s_tuner(struct file *file, void *priv,
1674                                         const struct v4l2_tuner *t)
1675 {
1676         struct saa7134_dev *dev = video_drvdata(file);
1677         int rx, mode;
1678
1679         if (0 != t->index)
1680                 return -EINVAL;
1681
1682         mode = dev->thread.mode;
1683         if (UNSET == mode) {
1684                 rx   = saa7134_tvaudio_getstereo(dev);
1685                 mode = saa7134_tvaudio_rx2mode(rx);
1686         }
1687         if (mode != t->audmode)
1688                 dev->thread.mode = t->audmode;
1689
1690         return 0;
1691 }
1692 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1693
1694 int saa7134_g_frequency(struct file *file, void *priv,
1695                                         struct v4l2_frequency *f)
1696 {
1697         struct saa7134_dev *dev = video_drvdata(file);
1698
1699         if (0 != f->tuner)
1700                 return -EINVAL;
1701
1702         saa_call_all(dev, tuner, g_frequency, f);
1703
1704         return 0;
1705 }
1706 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1707
1708 int saa7134_s_frequency(struct file *file, void *priv,
1709                                         const struct v4l2_frequency *f)
1710 {
1711         struct saa7134_dev *dev = video_drvdata(file);
1712
1713         if (0 != f->tuner)
1714                 return -EINVAL;
1715
1716         saa_call_all(dev, tuner, s_frequency, f);
1717
1718         saa7134_tvaudio_do_scan(dev);
1719         return 0;
1720 }
1721 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1722
1723 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1724                                         struct v4l2_fmtdesc *f)
1725 {
1726         if (f->index >= FORMATS)
1727                 return -EINVAL;
1728
1729         strlcpy(f->description, formats[f->index].name,
1730                 sizeof(f->description));
1731
1732         f->pixelformat = formats[f->index].fourcc;
1733
1734         return 0;
1735 }
1736
1737 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
1738                                         struct v4l2_fmtdesc *f)
1739 {
1740         if (saa7134_no_overlay > 0) {
1741                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1742                 return -EINVAL;
1743         }
1744
1745         if ((f->index >= FORMATS) || formats[f->index].planar)
1746                 return -EINVAL;
1747
1748         strlcpy(f->description, formats[f->index].name,
1749                 sizeof(f->description));
1750
1751         f->pixelformat = formats[f->index].fourcc;
1752
1753         return 0;
1754 }
1755
1756 static int saa7134_g_fbuf(struct file *file, void *f,
1757                                 struct v4l2_framebuffer *fb)
1758 {
1759         struct saa7134_dev *dev = video_drvdata(file);
1760
1761         *fb = dev->ovbuf;
1762         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1763
1764         return 0;
1765 }
1766
1767 static int saa7134_s_fbuf(struct file *file, void *f,
1768                                         const struct v4l2_framebuffer *fb)
1769 {
1770         struct saa7134_dev *dev = video_drvdata(file);
1771         struct saa7134_format *fmt;
1772
1773         if (!capable(CAP_SYS_ADMIN) &&
1774            !capable(CAP_SYS_RAWIO))
1775                 return -EPERM;
1776
1777         /* check args */
1778         fmt = format_by_fourcc(fb->fmt.pixelformat);
1779         if (NULL == fmt)
1780                 return -EINVAL;
1781
1782         /* ok, accept it */
1783         dev->ovbuf = *fb;
1784         dev->ovfmt = fmt;
1785         if (0 == dev->ovbuf.fmt.bytesperline)
1786                 dev->ovbuf.fmt.bytesperline =
1787                         dev->ovbuf.fmt.width*fmt->depth/8;
1788         return 0;
1789 }
1790
1791 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1792 {
1793         struct saa7134_dev *dev = video_drvdata(file);
1794         unsigned long flags;
1795
1796         if (on) {
1797                 if (saa7134_no_overlay > 0) {
1798                         dprintk("no_overlay\n");
1799                         return -EINVAL;
1800                 }
1801
1802                 if (dev->overlay_owner && priv != dev->overlay_owner)
1803                         return -EBUSY;
1804                 dev->overlay_owner = priv;
1805                 spin_lock_irqsave(&dev->slock, flags);
1806                 start_preview(dev);
1807                 spin_unlock_irqrestore(&dev->slock, flags);
1808         }
1809         if (!on) {
1810                 if (priv != dev->overlay_owner)
1811                         return -EINVAL;
1812                 spin_lock_irqsave(&dev->slock, flags);
1813                 stop_preview(dev);
1814                 spin_unlock_irqrestore(&dev->slock, flags);
1815                 dev->overlay_owner = NULL;
1816         }
1817         return 0;
1818 }
1819
1820 #ifdef CONFIG_VIDEO_ADV_DEBUG
1821 static int vidioc_g_register (struct file *file, void *priv,
1822                               struct v4l2_dbg_register *reg)
1823 {
1824         struct saa7134_dev *dev = video_drvdata(file);
1825
1826         reg->val = saa_readb(reg->reg & 0xffffff);
1827         reg->size = 1;
1828         return 0;
1829 }
1830
1831 static int vidioc_s_register (struct file *file, void *priv,
1832                                 const struct v4l2_dbg_register *reg)
1833 {
1834         struct saa7134_dev *dev = video_drvdata(file);
1835
1836         saa_writeb(reg->reg & 0xffffff, reg->val);
1837         return 0;
1838 }
1839 #endif
1840
1841 static int radio_g_tuner(struct file *file, void *priv,
1842                                         struct v4l2_tuner *t)
1843 {
1844         struct saa7134_dev *dev = video_drvdata(file);
1845
1846         if (0 != t->index)
1847                 return -EINVAL;
1848
1849         strcpy(t->name, "Radio");
1850
1851         saa_call_all(dev, tuner, g_tuner, t);
1852         t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1853         if (dev->input->amux == TV) {
1854                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1855                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1856                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1857         }
1858         return 0;
1859 }
1860 static int radio_s_tuner(struct file *file, void *priv,
1861                                         const struct v4l2_tuner *t)
1862 {
1863         struct saa7134_dev *dev = video_drvdata(file);
1864
1865         if (0 != t->index)
1866                 return -EINVAL;
1867
1868         saa_call_all(dev, tuner, s_tuner, t);
1869         return 0;
1870 }
1871
1872 static const struct v4l2_file_operations video_fops =
1873 {
1874         .owner    = THIS_MODULE,
1875         .open     = video_open,
1876         .release  = video_release,
1877         .read     = vb2_fop_read,
1878         .poll     = vb2_fop_poll,
1879         .mmap     = vb2_fop_mmap,
1880         .unlocked_ioctl   = video_ioctl2,
1881 };
1882
1883 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1884         .vidioc_querycap                = saa7134_querycap,
1885         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1886         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1887         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1888         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1889         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
1890         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
1891         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
1892         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
1893         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1894         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1895         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1896         .vidioc_cropcap                 = saa7134_cropcap,
1897         .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1898         .vidioc_querybuf                = vb2_ioctl_querybuf,
1899         .vidioc_qbuf                    = vb2_ioctl_qbuf,
1900         .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1901         .vidioc_s_std                   = saa7134_s_std,
1902         .vidioc_g_std                   = saa7134_g_std,
1903         .vidioc_querystd                = saa7134_querystd,
1904         .vidioc_enum_input              = saa7134_enum_input,
1905         .vidioc_g_input                 = saa7134_g_input,
1906         .vidioc_s_input                 = saa7134_s_input,
1907         .vidioc_streamon                = vb2_ioctl_streamon,
1908         .vidioc_streamoff               = vb2_ioctl_streamoff,
1909         .vidioc_g_tuner                 = saa7134_g_tuner,
1910         .vidioc_s_tuner                 = saa7134_s_tuner,
1911         .vidioc_g_crop                  = saa7134_g_crop,
1912         .vidioc_s_crop                  = saa7134_s_crop,
1913         .vidioc_g_fbuf                  = saa7134_g_fbuf,
1914         .vidioc_s_fbuf                  = saa7134_s_fbuf,
1915         .vidioc_overlay                 = saa7134_overlay,
1916         .vidioc_g_frequency             = saa7134_g_frequency,
1917         .vidioc_s_frequency             = saa7134_s_frequency,
1918 #ifdef CONFIG_VIDEO_ADV_DEBUG
1919         .vidioc_g_register              = vidioc_g_register,
1920         .vidioc_s_register              = vidioc_s_register,
1921 #endif
1922         .vidioc_log_status              = v4l2_ctrl_log_status,
1923         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
1924         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
1925 };
1926
1927 static const struct v4l2_file_operations radio_fops = {
1928         .owner    = THIS_MODULE,
1929         .open     = video_open,
1930         .read     = radio_read,
1931         .release  = video_release,
1932         .unlocked_ioctl = video_ioctl2,
1933         .poll     = radio_poll,
1934 };
1935
1936 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1937         .vidioc_querycap        = saa7134_querycap,
1938         .vidioc_g_tuner         = radio_g_tuner,
1939         .vidioc_s_tuner         = radio_s_tuner,
1940         .vidioc_g_frequency     = saa7134_g_frequency,
1941         .vidioc_s_frequency     = saa7134_s_frequency,
1942         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1943         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1944 };
1945
1946 /* ----------------------------------------------------------- */
1947 /* exported stuff                                              */
1948
1949 struct video_device saa7134_video_template = {
1950         .name                           = "saa7134-video",
1951         .fops                           = &video_fops,
1952         .ioctl_ops                      = &video_ioctl_ops,
1953         .tvnorms                        = SAA7134_NORMS,
1954 };
1955
1956 struct video_device saa7134_radio_template = {
1957         .name                   = "saa7134-radio",
1958         .fops                   = &radio_fops,
1959         .ioctl_ops              = &radio_ioctl_ops,
1960 };
1961
1962 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1963         .s_ctrl = saa7134_s_ctrl,
1964 };
1965
1966 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
1967         .ops = &saa7134_ctrl_ops,
1968         .id = V4L2_CID_PRIVATE_INVERT,
1969         .name = "Invert",
1970         .type = V4L2_CTRL_TYPE_BOOLEAN,
1971         .min = 0,
1972         .max = 1,
1973         .step = 1,
1974 };
1975
1976 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
1977         .ops = &saa7134_ctrl_ops,
1978         .id = V4L2_CID_PRIVATE_Y_ODD,
1979         .name = "Y Offset Odd Field",
1980         .type = V4L2_CTRL_TYPE_INTEGER,
1981         .min = 0,
1982         .max = 128,
1983         .step = 1,
1984 };
1985
1986 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
1987         .ops = &saa7134_ctrl_ops,
1988         .id = V4L2_CID_PRIVATE_Y_EVEN,
1989         .name = "Y Offset Even Field",
1990         .type = V4L2_CTRL_TYPE_INTEGER,
1991         .min = 0,
1992         .max = 128,
1993         .step = 1,
1994 };
1995
1996 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
1997         .ops = &saa7134_ctrl_ops,
1998         .id = V4L2_CID_PRIVATE_AUTOMUTE,
1999         .name = "Automute",
2000         .type = V4L2_CTRL_TYPE_BOOLEAN,
2001         .min = 0,
2002         .max = 1,
2003         .step = 1,
2004         .def = 1,
2005 };
2006
2007 int saa7134_video_init1(struct saa7134_dev *dev)
2008 {
2009         struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2010         struct vb2_queue *q;
2011         int ret;
2012
2013         /* sanitycheck insmod options */
2014         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2015                 gbuffers = 2;
2016         if (gbufsize > gbufsize_max)
2017                 gbufsize = gbufsize_max;
2018         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2019
2020         v4l2_ctrl_handler_init(hdl, 11);
2021         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2022                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2023         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2024                         V4L2_CID_CONTRAST, 0, 127, 1, 68);
2025         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2026                         V4L2_CID_SATURATION, 0, 127, 1, 64);
2027         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2028                         V4L2_CID_HUE, -128, 127, 1, 0);
2029         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2030                         V4L2_CID_HFLIP, 0, 1, 1, 0);
2031         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2032                         V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2033         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2034                         V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2035         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2036         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2037         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2038         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2039         if (hdl->error)
2040                 return hdl->error;
2041         if (card_has_radio(dev)) {
2042                 hdl = &dev->radio_ctrl_handler;
2043                 v4l2_ctrl_handler_init(hdl, 2);
2044                 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2045                                 v4l2_ctrl_radio_filter);
2046                 if (hdl->error)
2047                         return hdl->error;
2048         }
2049         dev->ctl_mute       = 1;
2050
2051         if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2052                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2053         dev->automute       = 0;
2054
2055         INIT_LIST_HEAD(&dev->video_q.queue);
2056         init_timer(&dev->video_q.timeout);
2057         dev->video_q.timeout.function = saa7134_buffer_timeout;
2058         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2059         dev->video_q.dev              = dev;
2060         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2061         dev->width    = 720;
2062         dev->height   = 576;
2063         dev->field = V4L2_FIELD_INTERLACED;
2064         dev->win.w.width = dev->width;
2065         dev->win.w.height = dev->height;
2066         dev->win.field = V4L2_FIELD_INTERLACED;
2067         dev->ovbuf.fmt.width = dev->width;
2068         dev->ovbuf.fmt.height = dev->height;
2069         dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2070         dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2071
2072         if (saa7134_boards[dev->board].video_out)
2073                 saa7134_videoport_init(dev);
2074
2075         q = &dev->video_vbq;
2076         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2077         /*
2078          * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2079          * engine cannot handle transfers that do not start at the beginning
2080          * of a page. A user-provided pointer can start anywhere in a page, so
2081          * USERPTR support is a no-go unless the application knows about these
2082          * limitations and has special support for this.
2083          */
2084         q->io_modes = VB2_MMAP | VB2_READ;
2085         if (saa7134_userptr)
2086                 q->io_modes |= VB2_USERPTR;
2087         q->drv_priv = &dev->video_q;
2088         q->ops = &vb2_qops;
2089         q->gfp_flags = GFP_DMA32;
2090         q->mem_ops = &vb2_dma_sg_memops;
2091         q->buf_struct_size = sizeof(struct saa7134_buf);
2092         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2093         q->lock = &dev->lock;
2094         ret = vb2_queue_init(q);
2095         if (ret)
2096                 return ret;
2097         saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2098
2099         q = &dev->vbi_vbq;
2100         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2101         /* Don't add VB2_USERPTR, see comment above */
2102         q->io_modes = VB2_MMAP | VB2_READ;
2103         if (saa7134_userptr)
2104                 q->io_modes |= VB2_USERPTR;
2105         q->drv_priv = &dev->vbi_q;
2106         q->ops = &saa7134_vbi_qops;
2107         q->gfp_flags = GFP_DMA32;
2108         q->mem_ops = &vb2_dma_sg_memops;
2109         q->buf_struct_size = sizeof(struct saa7134_buf);
2110         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2111         q->lock = &dev->lock;
2112         ret = vb2_queue_init(q);
2113         if (ret)
2114                 return ret;
2115         saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2116
2117         return 0;
2118 }
2119
2120 void saa7134_video_fini(struct saa7134_dev *dev)
2121 {
2122         /* free stuff */
2123         vb2_queue_release(&dev->video_vbq);
2124         saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2125         vb2_queue_release(&dev->vbi_vbq);
2126         saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2127         v4l2_ctrl_handler_free(&dev->ctrl_handler);
2128         if (card_has_radio(dev))
2129                 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2130 }
2131
2132 int saa7134_videoport_init(struct saa7134_dev *dev)
2133 {
2134         /* enable video output */
2135         int vo = saa7134_boards[dev->board].video_out;
2136         int video_reg;
2137         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2138
2139         /* Configure videoport */
2140         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2141         video_reg = video_out[vo][1];
2142         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2143                 video_reg &= ~VP_T_CODE_P_INVERTED;
2144         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2145         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2146         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2147         video_reg = video_out[vo][5];
2148         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2149                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2150         if (vid_port_opts & SET_CLOCK_INVERTED)
2151                 video_reg |= VP_CLK_CTRL1_INVERTED;
2152         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2153         video_reg = video_out[vo][6];
2154         if (vid_port_opts & SET_VSYNC_OFF) {
2155                 video_reg &= ~VP_VS_TYPE_MASK;
2156                 video_reg |= VP_VS_TYPE_OFF;
2157         }
2158         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2159         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2160         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2161
2162         /* Start videoport */
2163         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2164
2165         return 0;
2166 }
2167
2168 int saa7134_video_init2(struct saa7134_dev *dev)
2169 {
2170         /* init video hw */
2171         set_tvnorm(dev,&tvnorms[0]);
2172         video_mux(dev,0);
2173         v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2174         saa7134_tvaudio_setmute(dev);
2175         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2176         return 0;
2177 }
2178
2179 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2180 {
2181         static const char *st[] = {
2182                 "(no signal)", "NTSC", "PAL", "SECAM" };
2183         u32 st1,st2;
2184
2185         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2186         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2187         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2188                 (st1 & 0x40) ? "not locked" : "locked",
2189                 (st2 & 0x40) ? "no"         : "yes",
2190                 st[st1 & 0x03]);
2191         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2192
2193         if (dev->nosignal) {
2194                 /* no video signal -> mute audio */
2195                 if (dev->ctl_automute)
2196                         dev->automute = 1;
2197                 saa7134_tvaudio_setmute(dev);
2198         } else {
2199                 /* wake up tvaudio audio carrier scan thread */
2200                 saa7134_tvaudio_do_scan(dev);
2201         }
2202
2203         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2204                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2205         else
2206                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2207
2208         if (dev->mops && dev->mops->signal_change)
2209                 dev->mops->signal_change(dev);
2210 }
2211
2212
2213 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2214 {
2215         enum v4l2_field field;
2216
2217         spin_lock(&dev->slock);
2218         if (dev->video_q.curr) {
2219                 field = dev->field;
2220                 if (V4L2_FIELD_HAS_BOTH(field)) {
2221                         /* make sure we have seen both fields */
2222                         if ((status & 0x10) == 0x00) {
2223                                 dev->video_q.curr->top_seen = 1;
2224                                 goto done;
2225                         }
2226                         if (!dev->video_q.curr->top_seen)
2227                                 goto done;
2228                 } else if (field == V4L2_FIELD_TOP) {
2229                         if ((status & 0x10) != 0x10)
2230                                 goto done;
2231                 } else if (field == V4L2_FIELD_BOTTOM) {
2232                         if ((status & 0x10) != 0x00)
2233                                 goto done;
2234                 }
2235                 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2236         }
2237         saa7134_buffer_next(dev, &dev->video_q);
2238
2239  done:
2240         spin_unlock(&dev->slock);
2241 }