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 "saa7134.h"
  24 #include "saa7134-reg.h"
  25
  26 #include <linux/init.h>
  27 #include <linux/list.h>
  28 #include <linux/module.h>
  29 #include <linux/kernel.h>
  30 #include <linux/slab.h>
  31 #include <linux/sort.h>
  32
  33 #include <media/v4l2-common.h>
  34 #include <media/v4l2-event.h>
  35 #include <media/i2c/saa6588.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 video_dbg(fmt, arg...) do { \
  56         if (video_debug & 0x04) \
  57                 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
  58         } while (0)
  59
  60 /* ------------------------------------------------------------------ */
  61 /* Defines for Video Output Port Register at address 0x191            */
  62
  63 /* Bit 0: VIP code T bit polarity */
  64
  65 #define VP_T_CODE_P_NON_INVERTED        0x00
  66 #define VP_T_CODE_P_INVERTED            0x01
  67
  68 /* ------------------------------------------------------------------ */
  69 /* Defines for Video Output Port Register at address 0x195            */
  70
  71 /* Bit 2: Video output clock delay control */
  72
  73 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
  74 #define VP_CLK_CTRL2_DELAYED            0x04
  75
  76 /* Bit 1: Video output clock invert control */
  77
  78 #define VP_CLK_CTRL1_NON_INVERTED       0x00
  79 #define VP_CLK_CTRL1_INVERTED           0x02
  80
  81 /* ------------------------------------------------------------------ */
  82 /* Defines for Video Output Port Register at address 0x196            */
  83
  84 /* Bits 2 to 0: VSYNC pin video vertical sync type */
  85
  86 #define VP_VS_TYPE_MASK                 0x07
  87
  88 #define VP_VS_TYPE_OFF                  0x00
  89 #define VP_VS_TYPE_V123                 0x01
  90 #define VP_VS_TYPE_V_ITU                0x02
  91 #define VP_VS_TYPE_VGATE_L              0x03
  92 #define VP_VS_TYPE_RESERVED1            0x04
  93 #define VP_VS_TYPE_RESERVED2            0x05
  94 #define VP_VS_TYPE_F_ITU                0x06
  95 #define VP_VS_TYPE_SC_FID               0x07
  96
  97 /* ------------------------------------------------------------------ */
  98 /* data structs for video                                             */
  99
 100 static int video_out[][9] = {
 101         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
 102 };
 103
 104 static struct saa7134_format formats[] = {
 105         {
 106                 .name     = "8 bpp gray",
 107                 .fourcc   = V4L2_PIX_FMT_GREY,
 108                 .depth    = 8,
 109                 .pm       = 0x06,
 110         },{
 111                 .name     = "15 bpp RGB, le",
 112                 .fourcc   = V4L2_PIX_FMT_RGB555,
 113                 .depth    = 16,
 114                 .pm       = 0x13 | 0x80,
 115         },{
 116                 .name     = "15 bpp RGB, be",
 117                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 118                 .depth    = 16,
 119                 .pm       = 0x13 | 0x80,
 120                 .bswap    = 1,
 121         },{
 122                 .name     = "16 bpp RGB, le",
 123                 .fourcc   = V4L2_PIX_FMT_RGB565,
 124                 .depth    = 16,
 125                 .pm       = 0x10 | 0x80,
 126         },{
 127                 .name     = "16 bpp RGB, be",
 128                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 129                 .depth    = 16,
 130                 .pm       = 0x10 | 0x80,
 131                 .bswap    = 1,
 132         },{
 133                 .name     = "24 bpp RGB, le",
 134                 .fourcc   = V4L2_PIX_FMT_BGR24,
 135                 .depth    = 24,
 136                 .pm       = 0x11,
 137         },{
 138                 .name     = "24 bpp RGB, be",
 139                 .fourcc   = V4L2_PIX_FMT_RGB24,
 140                 .depth    = 24,
 141                 .pm       = 0x11,
 142                 .bswap    = 1,
 143         },{
 144                 .name     = "32 bpp RGB, le",
 145                 .fourcc   = V4L2_PIX_FMT_BGR32,
 146                 .depth    = 32,
 147                 .pm       = 0x12,
 148         },{
 149                 .name     = "32 bpp RGB, be",
 150                 .fourcc   = V4L2_PIX_FMT_RGB32,
 151                 .depth    = 32,
 152                 .pm       = 0x12,
 153                 .bswap    = 1,
 154                 .wswap    = 1,
 155         },{
 156                 .name     = "4:2:2 packed, YUYV",
 157                 .fourcc   = V4L2_PIX_FMT_YUYV,
 158                 .depth    = 16,
 159                 .pm       = 0x00,
 160                 .bswap    = 1,
 161                 .yuv      = 1,
 162         },{
 163                 .name     = "4:2:2 packed, UYVY",
 164                 .fourcc   = V4L2_PIX_FMT_UYVY,
 165                 .depth    = 16,
 166                 .pm       = 0x00,
 167                 .yuv      = 1,
 168         },{
 169                 .name     = "4:2:2 planar, Y-Cb-Cr",
 170                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 171                 .depth    = 16,
 172                 .pm       = 0x09,
 173                 .yuv      = 1,
 174                 .planar   = 1,
 175                 .hshift   = 1,
 176                 .vshift   = 0,
 177         },{
 178                 .name     = "4:2:0 planar, Y-Cb-Cr",
 179                 .fourcc   = V4L2_PIX_FMT_YUV420,
 180                 .depth    = 12,
 181                 .pm       = 0x0a,
 182                 .yuv      = 1,
 183                 .planar   = 1,
 184                 .hshift   = 1,
 185                 .vshift   = 1,
 186         },{
 187                 .name     = "4:2:0 planar, Y-Cb-Cr",
 188                 .fourcc   = V4L2_PIX_FMT_YVU420,
 189                 .depth    = 12,
 190                 .pm       = 0x0a,
 191                 .yuv      = 1,
 192                 .planar   = 1,
 193                 .uvswap   = 1,
 194                 .hshift   = 1,
 195                 .vshift   = 1,
 196         }
 197 };
 198 #define FORMATS ARRAY_SIZE(formats)
 199
 200 #define NORM_625_50                     \
 201                 .h_start       = 0,     \
 202                 .h_stop        = 719,   \
 203                 .video_v_start = 24,    \
 204                 .video_v_stop  = 311,   \
 205                 .vbi_v_start_0 = 7,     \
 206                 .vbi_v_stop_0  = 23,    \
 207                 .vbi_v_start_1 = 319,   \
 208                 .src_timing    = 4
 209
 210 #define NORM_525_60                     \
 211                 .h_start       = 0,     \
 212                 .h_stop        = 719,   \
 213                 .video_v_start = 23,    \
 214                 .video_v_stop  = 262,   \
 215                 .vbi_v_start_0 = 10,    \
 216                 .vbi_v_stop_0  = 21,    \
 217                 .vbi_v_start_1 = 273,   \
 218                 .src_timing    = 7
 219
 220 static struct saa7134_tvnorm tvnorms[] = {
 221         {
 222                 .name          = "PAL", /* autodetect */
 223                 .id            = V4L2_STD_PAL,
 224                 NORM_625_50,
 225
 226                 .sync_control  = 0x18,
 227                 .luma_control  = 0x40,
 228                 .chroma_ctrl1  = 0x81,
 229                 .chroma_gain   = 0x2a,
 230                 .chroma_ctrl2  = 0x06,
 231                 .vgate_misc    = 0x1c,
 232
 233         },{
 234                 .name          = "PAL-BG",
 235                 .id            = V4L2_STD_PAL_BG,
 236                 NORM_625_50,
 237
 238                 .sync_control  = 0x18,
 239                 .luma_control  = 0x40,
 240                 .chroma_ctrl1  = 0x81,
 241                 .chroma_gain   = 0x2a,
 242                 .chroma_ctrl2  = 0x06,
 243                 .vgate_misc    = 0x1c,
 244
 245         },{
 246                 .name          = "PAL-I",
 247                 .id            = V4L2_STD_PAL_I,
 248                 NORM_625_50,
 249
 250                 .sync_control  = 0x18,
 251                 .luma_control  = 0x40,
 252                 .chroma_ctrl1  = 0x81,
 253                 .chroma_gain   = 0x2a,
 254                 .chroma_ctrl2  = 0x06,
 255                 .vgate_misc    = 0x1c,
 256
 257         },{
 258                 .name          = "PAL-DK",
 259                 .id            = V4L2_STD_PAL_DK,
 260                 NORM_625_50,
 261
 262                 .sync_control  = 0x18,
 263                 .luma_control  = 0x40,
 264                 .chroma_ctrl1  = 0x81,
 265                 .chroma_gain   = 0x2a,
 266                 .chroma_ctrl2  = 0x06,
 267                 .vgate_misc    = 0x1c,
 268
 269         },{
 270                 .name          = "NTSC",
 271                 .id            = V4L2_STD_NTSC,
 272                 NORM_525_60,
 273
 274                 .sync_control  = 0x59,
 275                 .luma_control  = 0x40,
 276                 .chroma_ctrl1  = 0x89,
 277                 .chroma_gain   = 0x2a,
 278                 .chroma_ctrl2  = 0x0e,
 279                 .vgate_misc    = 0x18,
 280
 281         },{
 282                 .name          = "SECAM",
 283                 .id            = V4L2_STD_SECAM,
 284                 NORM_625_50,
 285
 286                 .sync_control  = 0x18,
 287                 .luma_control  = 0x1b,
 288                 .chroma_ctrl1  = 0xd1,
 289                 .chroma_gain   = 0x80,
 290                 .chroma_ctrl2  = 0x00,
 291                 .vgate_misc    = 0x1c,
 292
 293         },{
 294                 .name          = "SECAM-DK",
 295                 .id            = V4L2_STD_SECAM_DK,
 296                 NORM_625_50,
 297
 298                 .sync_control  = 0x18,
 299                 .luma_control  = 0x1b,
 300                 .chroma_ctrl1  = 0xd1,
 301                 .chroma_gain   = 0x80,
 302                 .chroma_ctrl2  = 0x00,
 303                 .vgate_misc    = 0x1c,
 304
 305         },{
 306                 .name          = "SECAM-L",
 307                 .id            = V4L2_STD_SECAM_L,
 308                 NORM_625_50,
 309
 310                 .sync_control  = 0x18,
 311                 .luma_control  = 0x1b,
 312                 .chroma_ctrl1  = 0xd1,
 313                 .chroma_gain   = 0x80,
 314                 .chroma_ctrl2  = 0x00,
 315                 .vgate_misc    = 0x1c,
 316
 317         },{
 318                 .name          = "SECAM-Lc",
 319                 .id            = V4L2_STD_SECAM_LC,
 320                 NORM_625_50,
 321
 322                 .sync_control  = 0x18,
 323                 .luma_control  = 0x1b,
 324                 .chroma_ctrl1  = 0xd1,
 325                 .chroma_gain   = 0x80,
 326                 .chroma_ctrl2  = 0x00,
 327                 .vgate_misc    = 0x1c,
 328
 329         },{
 330                 .name          = "PAL-M",
 331                 .id            = V4L2_STD_PAL_M,
 332                 NORM_525_60,
 333
 334                 .sync_control  = 0x59,
 335                 .luma_control  = 0x40,
 336                 .chroma_ctrl1  = 0xb9,
 337                 .chroma_gain   = 0x2a,
 338                 .chroma_ctrl2  = 0x0e,
 339                 .vgate_misc    = 0x18,
 340
 341         },{
 342                 .name          = "PAL-Nc",
 343                 .id            = V4L2_STD_PAL_Nc,
 344                 NORM_625_50,
 345
 346                 .sync_control  = 0x18,
 347                 .luma_control  = 0x40,
 348                 .chroma_ctrl1  = 0xa1,
 349                 .chroma_gain   = 0x2a,
 350                 .chroma_ctrl2  = 0x06,
 351                 .vgate_misc    = 0x1c,
 352
 353         },{
 354                 .name          = "PAL-60",
 355                 .id            = V4L2_STD_PAL_60,
 356
 357                 .h_start       = 0,
 358                 .h_stop        = 719,
 359                 .video_v_start = 23,
 360                 .video_v_stop  = 262,
 361                 .vbi_v_start_0 = 10,
 362                 .vbi_v_stop_0  = 21,
 363                 .vbi_v_start_1 = 273,
 364                 .src_timing    = 7,
 365
 366                 .sync_control  = 0x18,
 367                 .luma_control  = 0x40,
 368                 .chroma_ctrl1  = 0x81,
 369                 .chroma_gain   = 0x2a,
 370                 .chroma_ctrl2  = 0x06,
 371                 .vgate_misc    = 0x1c,
 372         }
 373 };
 374 #define TVNORMS ARRAY_SIZE(tvnorms)
 375
 376 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 377 {
 378         unsigned int i;
 379
 380         for (i = 0; i < FORMATS; i++)
 381                 if (formats[i].fourcc == fourcc)
 382                         return formats+i;
 383         return NULL;
 384 }
 385
 386 /* ------------------------------------------------------------------ */
 387
 388 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 389 {
 390         video_dbg("set tv norm = %s\n", norm->name);
 391         dev->tvnorm = norm;
 392
 393         /* setup cropping */
 394         dev->crop_bounds.left    = norm->h_start;
 395         dev->crop_defrect.left   = norm->h_start;
 396         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 397         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 398
 399         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 400         dev->crop_defrect.top    = norm->video_v_start*2;
 401         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 402                 - dev->crop_bounds.top;
 403         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 404
 405         dev->crop_current = dev->crop_defrect;
 406
 407         saa7134_set_tvnorm_hw(dev);
 408 }
 409
 410 static void video_mux(struct saa7134_dev *dev, int input)
 411 {
 412         video_dbg("video input = %d [%s]\n",
 413                   input, saa7134_input_name[card_in(dev, input).type]);
 414         dev->ctl_input = input;
 415         set_tvnorm(dev, dev->tvnorm);
 416         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 417 }
 418
 419
 420 static void saa7134_set_decoder(struct saa7134_dev *dev)
 421 {
 422         int luma_control, sync_control, chroma_ctrl1, mux;
 423
 424         struct saa7134_tvnorm *norm = dev->tvnorm;
 425         mux = card_in(dev, dev->ctl_input).vmux;
 426
 427         luma_control = norm->luma_control;
 428         sync_control = norm->sync_control;
 429         chroma_ctrl1 = norm->chroma_ctrl1;
 430
 431         if (mux > 5)
 432                 luma_control |= 0x80; /* svideo */
 433         if (noninterlaced || dev->nosignal)
 434                 sync_control |= 0x20;
 435
 436         /* switch on auto standard detection */
 437         sync_control |= SAA7134_SYNC_CTRL_AUFD;
 438         chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
 439         chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
 440         luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
 441
 442         /* setup video decoder */
 443         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 444         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 445         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 446
 447         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 448         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 449         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 450         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 451         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 452
 453         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 454         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 455         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 456
 457         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 458                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 459
 460         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 461                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 462
 463         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 464         saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
 465         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 466
 467         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 468         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 469
 470         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 471         saa_writeb(SAA7134_VGATE_START,           0x11);
 472         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 473         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 474         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 475         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 476 }
 477
 478 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 479 {
 480         saa7134_set_decoder(dev);
 481
 482         saa_call_all(dev, video, s_std, dev->tvnorm->id);
 483         /* Set the correct norm for the saa6752hs. This function
 484            does nothing if there is no saa6752hs. */
 485         saa_call_empress(dev, video, s_std, dev->tvnorm->id);
 486 }
 487
 488 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 489 {
 490         static const struct {
 491                 int xpsc;
 492                 int xacl;
 493                 int xc2_1;
 494                 int xdcg;
 495                 int vpfy;
 496         } vals[] = {
 497                 /* XPSC XACL XC2_1 XDCG VPFY */
 498                 {    1,   0,    0,    0,   0 },
 499                 {    2,   2,    1,    2,   2 },
 500                 {    3,   4,    1,    3,   2 },
 501                 {    4,   8,    1,    4,   2 },
 502                 {    5,   8,    1,    4,   2 },
 503                 {    6,   8,    1,    4,   3 },
 504                 {    7,   8,    1,    4,   3 },
 505                 {    8,  15,    0,    4,   3 },
 506                 {    9,  15,    0,    4,   3 },
 507                 {   10,  16,    1,    5,   3 },
 508         };
 509         static const int count = ARRAY_SIZE(vals);
 510         int i;
 511
 512         for (i = 0; i < count; i++)
 513                 if (vals[i].xpsc == prescale)
 514                         break;
 515         if (i == count)
 516                 return;
 517
 518         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 519         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 520         saa_writeb(SAA7134_LEVEL_CTRL(task),
 521                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 522         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 523                    (vals[i].vpfy << 2) | vals[i].vpfy);
 524 }
 525
 526 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 527 {
 528         int val,mirror;
 529
 530         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 531         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 532
 533         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 534         if (yscale < 2048) {
 535                 /* LPI */
 536                 video_dbg("yscale LPI yscale=%d\n", yscale);
 537                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 538                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 539                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 540         } else {
 541                 /* ACM */
 542                 val = 0x40 * 1024 / yscale;
 543                 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
 544                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 545                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 546                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 547         }
 548         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 549 }
 550
 551 static void set_size(struct saa7134_dev *dev, int task,
 552                      int width, int height, int interlace)
 553 {
 554         int prescale,xscale,yscale,y_even,y_odd;
 555         int h_start, h_stop, v_start, v_stop;
 556         int div = interlace ? 2 : 1;
 557
 558         /* setup video scaler */
 559         h_start = dev->crop_current.left;
 560         v_start = dev->crop_current.top/2;
 561         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 562         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 563
 564         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 565         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 566         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 567         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 568         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 569         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 570         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 571         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 572
 573         prescale = dev->crop_current.width / width;
 574         if (0 == prescale)
 575                 prescale = 1;
 576         xscale = 1024 * dev->crop_current.width / prescale / width;
 577         yscale = 512 * div * dev->crop_current.height / height;
 578         video_dbg("prescale=%d xscale=%d yscale=%d\n",
 579                   prescale, xscale, yscale);
 580         set_h_prescale(dev,task,prescale);
 581         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 582         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 583         set_v_scale(dev,task,yscale);
 584
 585         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 586         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 587         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 588         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 589
 590         /* deinterlace y offsets */
 591         y_odd  = dev->ctl_y_odd;
 592         y_even = dev->ctl_y_even;
 593         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 594         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 595         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 596         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 597 }
 598
 599 /* ------------------------------------------------------------------ */
 600
 601 struct cliplist {
 602         __u16 position;
 603         __u8  enable;
 604         __u8  disable;
 605 };
 606
 607 static void set_cliplist(struct saa7134_dev *dev, int reg,
 608                         struct cliplist *cl, int entries, char *name)
 609 {
 610         __u8 winbits = 0;
 611         int i;
 612
 613         for (i = 0; i < entries; i++) {
 614                 winbits |= cl[i].enable;
 615                 winbits &= ~cl[i].disable;
 616                 if (i < 15 && cl[i].position == cl[i+1].position)
 617                         continue;
 618                 saa_writeb(reg + 0, winbits);
 619                 saa_writeb(reg + 2, cl[i].position & 0xff);
 620                 saa_writeb(reg + 3, cl[i].position >> 8);
 621                 video_dbg("clip: %s winbits=%02x pos=%d\n",
 622                         name,winbits,cl[i].position);
 623                 reg += 8;
 624         }
 625         for (; reg < 0x400; reg += 8) {
 626                 saa_writeb(reg+ 0, 0);
 627                 saa_writeb(reg + 1, 0);
 628                 saa_writeb(reg + 2, 0);
 629                 saa_writeb(reg + 3, 0);
 630         }
 631 }
 632
 633 static int clip_range(int val)
 634 {
 635         if (val < 0)
 636                 val = 0;
 637         return val;
 638 }
 639
 640 /* Sort into smallest position first order */
 641 static int cliplist_cmp(const void *a, const void *b)
 642 {
 643         const struct cliplist *cla = a;
 644         const struct cliplist *clb = b;
 645         if (cla->position < clb->position)
 646                 return -1;
 647         if (cla->position > clb->position)
 648                 return 1;
 649         return 0;
 650 }
 651
 652 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 653                           int nclips, int interlace)
 654 {
 655         struct cliplist col[16], row[16];
 656         int cols = 0, rows = 0, i;
 657         int div = interlace ? 2 : 1;
 658
 659         memset(col, 0, sizeof(col));
 660         memset(row, 0, sizeof(row));
 661         for (i = 0; i < nclips && i < 8; i++) {
 662                 col[cols].position = clip_range(clips[i].c.left);
 663                 col[cols].enable   = (1 << i);
 664                 cols++;
 665                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 666                 col[cols].disable  = (1 << i);
 667                 cols++;
 668                 row[rows].position = clip_range(clips[i].c.top / div);
 669                 row[rows].enable   = (1 << i);
 670                 rows++;
 671                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 672                                                 / div);
 673                 row[rows].disable  = (1 << i);
 674                 rows++;
 675         }
 676         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 677         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 678         set_cliplist(dev,0x380,col,cols,"cols");
 679         set_cliplist(dev,0x384,row,rows,"rows");
 680         return 0;
 681 }
 682
 683 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
 684 {
 685         enum v4l2_field field;
 686         int maxw, maxh;
 687
 688         if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
 689                 return -EINVAL;
 690         if (win->w.width < 48)
 691                 win->w.width = 48;
 692         if (win->w.height < 32)
 693                 win->w.height = 32;
 694         if (win->clipcount > 8)
 695                 win->clipcount = 8;
 696
 697         win->chromakey = 0;
 698         win->global_alpha = 0;
 699         field = win->field;
 700         maxw  = dev->crop_current.width;
 701         maxh  = dev->crop_current.height;
 702
 703         if (V4L2_FIELD_ANY == field) {
 704                 field = (win->w.height > maxh/2)
 705                         ? V4L2_FIELD_INTERLACED
 706                         : V4L2_FIELD_TOP;
 707         }
 708         switch (field) {
 709         case V4L2_FIELD_TOP:
 710         case V4L2_FIELD_BOTTOM:
 711                 maxh = maxh / 2;
 712                 break;
 713         default:
 714                 field = V4L2_FIELD_INTERLACED;
 715                 break;
 716         }
 717
 718         win->field = field;
 719         if (win->w.width > maxw)
 720                 win->w.width = maxw;
 721         if (win->w.height > maxh)
 722                 win->w.height = maxh;
 723         return 0;
 724 }
 725
 726 static int start_preview(struct saa7134_dev *dev)
 727 {
 728         unsigned long base,control,bpl;
 729         int err;
 730
 731         err = verify_preview(dev, &dev->win, false);
 732         if (0 != err)
 733                 return err;
 734
 735         dev->ovfield = dev->win.field;
 736         video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
 737                 dev->win.w.width, dev->win.w.height,
 738                 dev->win.w.left, dev->win.w.top,
 739                 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
 740
 741         /* setup window + clipping */
 742         set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
 743                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 744         setup_clipping(dev, dev->clips, dev->nclips,
 745                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 746         if (dev->ovfmt->yuv)
 747                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 748         else
 749                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 750         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 751
 752         /* dma: setup channel 1 (= Video Task B) */
 753         base  = (unsigned long)dev->ovbuf.base;
 754         base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
 755         base += dev->ovfmt->depth/8         * dev->win.w.left;
 756         bpl   = dev->ovbuf.fmt.bytesperline;
 757         control = SAA7134_RS_CONTROL_BURST_16;
 758         if (dev->ovfmt->bswap)
 759                 control |= SAA7134_RS_CONTROL_BSWAP;
 760         if (dev->ovfmt->wswap)
 761                 control |= SAA7134_RS_CONTROL_WSWAP;
 762         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 763                 saa_writel(SAA7134_RS_BA1(1),base);
 764                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 765                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 766                 saa_writel(SAA7134_RS_CONTROL(1),control);
 767         } else {
 768                 saa_writel(SAA7134_RS_BA1(1),base);
 769                 saa_writel(SAA7134_RS_BA2(1),base);
 770                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 771                 saa_writel(SAA7134_RS_CONTROL(1),control);
 772         }
 773
 774         /* start dma */
 775         dev->ovenable = 1;
 776         saa7134_set_dmabits(dev);
 777
 778         return 0;
 779 }
 780
 781 static int stop_preview(struct saa7134_dev *dev)
 782 {
 783         dev->ovenable = 0;
 784         saa7134_set_dmabits(dev);
 785         return 0;
 786 }
 787
 788 /*
 789  * Media Controller helper functions
 790  */
 791
 792 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
 793 {
 794 #ifdef CONFIG_MEDIA_CONTROLLER
 795         struct media_device *mdev = dev->media_dev;
 796         struct media_entity *source;
 797         struct media_link *link, *found_link = NULL;
 798         int ret, active_links = 0;
 799
 800         if (!mdev || !dev->decoder)
 801                 return 0;
 802
 803         /*
 804          * This will find the tuner that is connected into the decoder.
 805          * Technically, this is not 100% correct, as the device may be
 806          * using an analog input instead of the tuner. However, as we can't
 807          * do DVB streaming while the DMA engine is being used for V4L2,
 808          * this should be enough for the actual needs.
 809          */
 810         list_for_each_entry(link, &dev->decoder->links, list) {
 811                 if (link->sink->entity == dev->decoder) {
 812                         found_link = link;
 813                         if (link->flags & MEDIA_LNK_FL_ENABLED)
 814                                 active_links++;
 815                         break;
 816                 }
 817         }
 818
 819         if (active_links == 1 || !found_link)
 820                 return 0;
 821
 822         source = found_link->source->entity;
 823         list_for_each_entry(link, &source->links, list) {
 824                 struct media_entity *sink;
 825                 int flags = 0;
 826
 827                 sink = link->sink->entity;
 828
 829                 if (sink == dev->decoder)
 830                         flags = MEDIA_LNK_FL_ENABLED;
 831
 832                 ret = media_entity_setup_link(link, flags);
 833                 if (ret) {
 834                         pr_err("Couldn't change link %s->%s to %s. Error %d\n",
 835                                source->name, sink->name,
 836                                flags ? "enabled" : "disabled",
 837                                ret);
 838                         return ret;
 839                 }
 840         }
 841 #endif
 842         return 0;
 843 }
 844
 845 /* ------------------------------------------------------------------ */
 846
 847 static int buffer_activate(struct saa7134_dev *dev,
 848                            struct saa7134_buf *buf,
 849                            struct saa7134_buf *next)
 850 {
 851         struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
 852         unsigned long base,control,bpl;
 853         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 854
 855         video_dbg("buffer_activate buf=%p\n", buf);
 856         buf->top_seen = 0;
 857
 858         set_size(dev, TASK_A, dev->width, dev->height,
 859                  V4L2_FIELD_HAS_BOTH(dev->field));
 860         if (dev->fmt->yuv)
 861                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 862         else
 863                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 864         saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
 865
 866         /* DMA: setup channel 0 (= Video Task A0) */
 867         base  = saa7134_buffer_base(buf);
 868         if (dev->fmt->planar)
 869                 bpl = dev->width;
 870         else
 871                 bpl = (dev->width * dev->fmt->depth) / 8;
 872         control = SAA7134_RS_CONTROL_BURST_16 |
 873                 SAA7134_RS_CONTROL_ME |
 874                 (dmaq->pt.dma >> 12);
 875         if (dev->fmt->bswap)
 876                 control |= SAA7134_RS_CONTROL_BSWAP;
 877         if (dev->fmt->wswap)
 878                 control |= SAA7134_RS_CONTROL_WSWAP;
 879         if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 880                 /* interlaced */
 881                 saa_writel(SAA7134_RS_BA1(0),base);
 882                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 883                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 884         } else {
 885                 /* non-interlaced */
 886                 saa_writel(SAA7134_RS_BA1(0),base);
 887                 saa_writel(SAA7134_RS_BA2(0),base);
 888                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 889         }
 890         saa_writel(SAA7134_RS_CONTROL(0),control);
 891
 892         if (dev->fmt->planar) {
 893                 /* DMA: setup channel 4+5 (= planar task A) */
 894                 bpl_uv   = bpl >> dev->fmt->hshift;
 895                 lines_uv = dev->height >> dev->fmt->vshift;
 896                 base2    = base + bpl * dev->height;
 897                 base3    = base2 + bpl_uv * lines_uv;
 898                 if (dev->fmt->uvswap)
 899                         tmp = base2, base2 = base3, base3 = tmp;
 900                 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 901                         bpl_uv,lines_uv,base2,base3);
 902                 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 903                         /* interlaced */
 904                         saa_writel(SAA7134_RS_BA1(4),base2);
 905                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 906                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 907                         saa_writel(SAA7134_RS_BA1(5),base3);
 908                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 909                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 910                 } else {
 911                         /* non-interlaced */
 912                         saa_writel(SAA7134_RS_BA1(4),base2);
 913                         saa_writel(SAA7134_RS_BA2(4),base2);
 914                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 915                         saa_writel(SAA7134_RS_BA1(5),base3);
 916                         saa_writel(SAA7134_RS_BA2(5),base3);
 917                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 918                 }
 919                 saa_writel(SAA7134_RS_CONTROL(4),control);
 920                 saa_writel(SAA7134_RS_CONTROL(5),control);
 921         }
 922
 923         /* start DMA */
 924         saa7134_set_dmabits(dev);
 925         mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
 926         return 0;
 927 }
 928
 929 static int buffer_init(struct vb2_buffer *vb2)
 930 {
 931         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 932         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
 933         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 934
 935         dmaq->curr = NULL;
 936         buf->activate = buffer_activate;
 937         return 0;
 938 }
 939
 940 static int buffer_prepare(struct vb2_buffer *vb2)
 941 {
 942         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 943         struct saa7134_dev *dev = dmaq->dev;
 944         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
 945         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 946         struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
 947         unsigned int size;
 948
 949         if (dma->sgl->offset) {
 950                 pr_err("The buffer is not page-aligned\n");
 951                 return -EINVAL;
 952         }
 953         size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 954         if (vb2_plane_size(vb2, 0) < size)
 955                 return -EINVAL;
 956
 957         vb2_set_plane_payload(vb2, 0, size);
 958         vbuf->field = dev->field;
 959
 960         return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
 961                                     saa7134_buffer_startpage(buf));
 962 }
 963
 964 static int queue_setup(struct vb2_queue *q,
 965                            unsigned int *nbuffers, unsigned int *nplanes,
 966                            unsigned int sizes[], struct device *alloc_devs[])
 967 {
 968         struct saa7134_dmaqueue *dmaq = q->drv_priv;
 969         struct saa7134_dev *dev = dmaq->dev;
 970         int size = dev->fmt->depth * dev->width * dev->height >> 3;
 971
 972         if (dev->width    < 48 ||
 973             dev->height   < 32 ||
 974             dev->width/4  > dev->crop_current.width  ||
 975             dev->height/4 > dev->crop_current.height ||
 976             dev->width    > dev->crop_bounds.width  ||
 977             dev->height   > dev->crop_bounds.height)
 978                 return -EINVAL;
 979
 980         *nbuffers = saa7134_buffer_count(size, *nbuffers);
 981         *nplanes = 1;
 982         sizes[0] = size;
 983
 984         saa7134_enable_analog_tuner(dev);
 985
 986         return 0;
 987 }
 988
 989 /*
 990  * move buffer to hardware queue
 991  */
 992 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
 993 {
 994         struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
 995         struct saa7134_dev *dev = dmaq->dev;
 996         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 997         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 998
 999         saa7134_buffer_queue(dev, dmaq, buf);
1000 }
1001 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
1002
1003 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
1004 {
1005         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1006         struct saa7134_dev *dev = dmaq->dev;
1007
1008         /*
1009          * Planar video capture and TS share the same DMA channel,
1010          * so only one can be active at a time.
1011          */
1012         if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
1013             dmaq == &dev->video_q && dev->fmt->planar) {
1014                 struct saa7134_buf *buf, *tmp;
1015
1016                 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
1017                         list_del(&buf->entry);
1018                         vb2_buffer_done(&buf->vb2.vb2_buf,
1019                                         VB2_BUF_STATE_QUEUED);
1020                 }
1021                 if (dmaq->curr) {
1022                         vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
1023                                         VB2_BUF_STATE_QUEUED);
1024                         dmaq->curr = NULL;
1025                 }
1026                 return -EBUSY;
1027         }
1028
1029         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
1030          * configured conservatively, there's 22 usec of buffering for video.
1031          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
1032          * margin in case the FIFO is configured differently to the datasheet.
1033          * Unfortunately, I lack register-level documentation to check the
1034          * Linux FIFO setup and confirm the perfect value.
1035          */
1036         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1037             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1038                 pm_qos_add_request(&dev->qos_request,
1039                         PM_QOS_CPU_DMA_LATENCY, 20);
1040         dmaq->seq_nr = 0;
1041
1042         return 0;
1043 }
1044
1045 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
1046 {
1047         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1048         struct saa7134_dev *dev = dmaq->dev;
1049
1050         saa7134_stop_streaming(dev, dmaq);
1051
1052         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1053             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1054                 pm_qos_remove_request(&dev->qos_request);
1055 }
1056
1057 static struct vb2_ops vb2_qops = {
1058         .queue_setup    = queue_setup,
1059         .buf_init       = buffer_init,
1060         .buf_prepare    = buffer_prepare,
1061         .buf_queue      = saa7134_vb2_buffer_queue,
1062         .wait_prepare   = vb2_ops_wait_prepare,
1063         .wait_finish    = vb2_ops_wait_finish,
1064         .start_streaming = saa7134_vb2_start_streaming,
1065         .stop_streaming = saa7134_vb2_stop_streaming,
1066 };
1067
1068 /* ------------------------------------------------------------------ */
1069
1070 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1071 {
1072         struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1073         unsigned long flags;
1074         int restart_overlay = 0;
1075
1076         switch (ctrl->id) {
1077         case V4L2_CID_BRIGHTNESS:
1078                 dev->ctl_bright = ctrl->val;
1079                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1080                 break;
1081         case V4L2_CID_HUE:
1082                 dev->ctl_hue = ctrl->val;
1083                 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1084                 break;
1085         case V4L2_CID_CONTRAST:
1086                 dev->ctl_contrast = ctrl->val;
1087                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1088                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1089                 break;
1090         case V4L2_CID_SATURATION:
1091                 dev->ctl_saturation = ctrl->val;
1092                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1093                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1094                 break;
1095         case V4L2_CID_AUDIO_MUTE:
1096                 dev->ctl_mute = ctrl->val;
1097                 saa7134_tvaudio_setmute(dev);
1098                 break;
1099         case V4L2_CID_AUDIO_VOLUME:
1100                 dev->ctl_volume = ctrl->val;
1101                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1102                 break;
1103         case V4L2_CID_PRIVATE_INVERT:
1104                 dev->ctl_invert = ctrl->val;
1105                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1106                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1107                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1108                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1109                 break;
1110         case V4L2_CID_HFLIP:
1111                 dev->ctl_mirror = ctrl->val;
1112                 restart_overlay = 1;
1113                 break;
1114         case V4L2_CID_PRIVATE_Y_EVEN:
1115                 dev->ctl_y_even = ctrl->val;
1116                 restart_overlay = 1;
1117                 break;
1118         case V4L2_CID_PRIVATE_Y_ODD:
1119                 dev->ctl_y_odd = ctrl->val;
1120                 restart_overlay = 1;
1121                 break;
1122         case V4L2_CID_PRIVATE_AUTOMUTE:
1123         {
1124                 struct v4l2_priv_tun_config tda9887_cfg;
1125
1126                 tda9887_cfg.tuner = TUNER_TDA9887;
1127                 tda9887_cfg.priv = &dev->tda9887_conf;
1128
1129                 dev->ctl_automute = ctrl->val;
1130                 if (dev->tda9887_conf) {
1131                         if (dev->ctl_automute)
1132                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1133                         else
1134                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1135
1136                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1137                 }
1138                 break;
1139         }
1140         default:
1141                 return -EINVAL;
1142         }
1143         if (restart_overlay && dev->overlay_owner) {
1144                 spin_lock_irqsave(&dev->slock, flags);
1145                 stop_preview(dev);
1146                 start_preview(dev);
1147                 spin_unlock_irqrestore(&dev->slock, flags);
1148         }
1149         return 0;
1150 }
1151
1152 /* ------------------------------------------------------------------ */
1153
1154 static int video_open(struct file *file)
1155 {
1156         struct video_device *vdev = video_devdata(file);
1157         struct saa7134_dev *dev = video_drvdata(file);
1158         int ret = v4l2_fh_open(file);
1159
1160         if (ret < 0)
1161                 return ret;
1162
1163         mutex_lock(&dev->lock);
1164         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1165                 /* switch to radio mode */
1166                 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1167                 saa_call_all(dev, tuner, s_radio);
1168         } else {
1169                 /* switch to video/vbi mode */
1170                 video_mux(dev, dev->ctl_input);
1171         }
1172         mutex_unlock(&dev->lock);
1173
1174         return 0;
1175 }
1176
1177 static int video_release(struct file *file)
1178 {
1179         struct video_device *vdev = video_devdata(file);
1180         struct saa7134_dev *dev = video_drvdata(file);
1181         struct v4l2_fh *fh = file->private_data;
1182         struct saa6588_command cmd;
1183         unsigned long flags;
1184
1185         mutex_lock(&dev->lock);
1186         saa7134_tvaudio_close(dev);
1187
1188         /* turn off overlay */
1189         if (fh == dev->overlay_owner) {
1190                 spin_lock_irqsave(&dev->slock,flags);
1191                 stop_preview(dev);
1192                 spin_unlock_irqrestore(&dev->slock,flags);
1193                 dev->overlay_owner = NULL;
1194         }
1195
1196         if (vdev->vfl_type == VFL_TYPE_RADIO)
1197                 v4l2_fh_release(file);
1198         else
1199                 _vb2_fop_release(file, NULL);
1200
1201         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1202         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1203         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1204         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1205         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1206
1207         saa_call_all(dev, core, s_power, 0);
1208         if (vdev->vfl_type == VFL_TYPE_RADIO)
1209                 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1210         mutex_unlock(&dev->lock);
1211
1212         return 0;
1213 }
1214
1215 static ssize_t radio_read(struct file *file, char __user *data,
1216                          size_t count, loff_t *ppos)
1217 {
1218         struct saa7134_dev *dev = video_drvdata(file);
1219         struct saa6588_command cmd;
1220
1221         cmd.block_count = count/3;
1222         cmd.nonblocking = file->f_flags & O_NONBLOCK;
1223         cmd.buffer = data;
1224         cmd.instance = file;
1225         cmd.result = -ENODEV;
1226
1227         mutex_lock(&dev->lock);
1228         saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1229         mutex_unlock(&dev->lock);
1230
1231         return cmd.result;
1232 }
1233
1234 static unsigned int radio_poll(struct file *file, poll_table *wait)
1235 {
1236         struct saa7134_dev *dev = video_drvdata(file);
1237         struct saa6588_command cmd;
1238         unsigned int rc = v4l2_ctrl_poll(file, wait);
1239
1240         cmd.instance = file;
1241         cmd.event_list = wait;
1242         cmd.result = 0;
1243         mutex_lock(&dev->lock);
1244         saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1245         mutex_unlock(&dev->lock);
1246
1247         return rc | cmd.result;
1248 }
1249
1250 /* ------------------------------------------------------------------ */
1251
1252 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1253                                                 struct v4l2_format *f)
1254 {
1255         struct saa7134_dev *dev = video_drvdata(file);
1256         struct saa7134_tvnorm *norm = dev->tvnorm;
1257
1258         memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1259         f->fmt.vbi.sampling_rate = 6750000 * 4;
1260         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1261         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1262         f->fmt.vbi.offset = 64 * 4;
1263         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1264         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1265         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1266         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1267         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1268
1269         return 0;
1270 }
1271
1272 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1273                                 struct v4l2_format *f)
1274 {
1275         struct saa7134_dev *dev = video_drvdata(file);
1276
1277         f->fmt.pix.width        = dev->width;
1278         f->fmt.pix.height       = dev->height;
1279         f->fmt.pix.field        = dev->field;
1280         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1281         if (dev->fmt->planar)
1282                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1283         else
1284                 f->fmt.pix.bytesperline =
1285                         (f->fmt.pix.width * dev->fmt->depth) / 8;
1286         f->fmt.pix.sizeimage =
1287                 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1288         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1289         return 0;
1290 }
1291
1292 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1293                                 struct v4l2_format *f)
1294 {
1295         struct saa7134_dev *dev = video_drvdata(file);
1296         struct v4l2_clip __user *clips = f->fmt.win.clips;
1297         u32 clipcount = f->fmt.win.clipcount;
1298         int err = 0;
1299         int i;
1300
1301         if (saa7134_no_overlay > 0) {
1302                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1303                 return -EINVAL;
1304         }
1305         f->fmt.win = dev->win;
1306         f->fmt.win.clips = clips;
1307         if (clips == NULL)
1308                 clipcount = 0;
1309         if (dev->nclips < clipcount)
1310                 clipcount = dev->nclips;
1311         f->fmt.win.clipcount = clipcount;
1312
1313         for (i = 0; !err && i < clipcount; i++) {
1314                 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1315                                         sizeof(struct v4l2_rect)))
1316                         err = -EFAULT;
1317         }
1318
1319         return err;
1320 }
1321
1322 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1323                                                 struct v4l2_format *f)
1324 {
1325         struct saa7134_dev *dev = video_drvdata(file);
1326         struct saa7134_format *fmt;
1327         enum v4l2_field field;
1328         unsigned int maxw, maxh;
1329
1330         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1331         if (NULL == fmt)
1332                 return -EINVAL;
1333
1334         field = f->fmt.pix.field;
1335         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1336         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1337
1338         if (V4L2_FIELD_ANY == field) {
1339                 field = (f->fmt.pix.height > maxh/2)
1340                         ? V4L2_FIELD_INTERLACED
1341                         : V4L2_FIELD_BOTTOM;
1342         }
1343         switch (field) {
1344         case V4L2_FIELD_TOP:
1345         case V4L2_FIELD_BOTTOM:
1346                 maxh = maxh / 2;
1347                 break;
1348         default:
1349                 field = V4L2_FIELD_INTERLACED;
1350                 break;
1351         }
1352
1353         f->fmt.pix.field = field;
1354         if (f->fmt.pix.width  < 48)
1355                 f->fmt.pix.width  = 48;
1356         if (f->fmt.pix.height < 32)
1357                 f->fmt.pix.height = 32;
1358         if (f->fmt.pix.width > maxw)
1359                 f->fmt.pix.width = maxw;
1360         if (f->fmt.pix.height > maxh)
1361                 f->fmt.pix.height = maxh;
1362         f->fmt.pix.width &= ~0x03;
1363         if (fmt->planar)
1364                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1365         else
1366                 f->fmt.pix.bytesperline =
1367                         (f->fmt.pix.width * fmt->depth) / 8;
1368         f->fmt.pix.sizeimage =
1369                 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1370         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1371
1372         return 0;
1373 }
1374
1375 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1376                                                 struct v4l2_format *f)
1377 {
1378         struct saa7134_dev *dev = video_drvdata(file);
1379
1380         if (saa7134_no_overlay > 0) {
1381                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1382                 return -EINVAL;
1383         }
1384
1385         if (f->fmt.win.clips == NULL)
1386                 f->fmt.win.clipcount = 0;
1387         return verify_preview(dev, &f->fmt.win, true);
1388 }
1389
1390 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1391                                         struct v4l2_format *f)
1392 {
1393         struct saa7134_dev *dev = video_drvdata(file);
1394         int err;
1395
1396         err = saa7134_try_fmt_vid_cap(file, priv, f);
1397         if (0 != err)
1398                 return err;
1399
1400         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1401         dev->width = f->fmt.pix.width;
1402         dev->height = f->fmt.pix.height;
1403         dev->field = f->fmt.pix.field;
1404         return 0;
1405 }
1406
1407 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1408                                         struct v4l2_format *f)
1409 {
1410         struct saa7134_dev *dev = video_drvdata(file);
1411         int err;
1412         unsigned long flags;
1413
1414         if (saa7134_no_overlay > 0) {
1415                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1416                 return -EINVAL;
1417         }
1418         if (f->fmt.win.clips == NULL)
1419                 f->fmt.win.clipcount = 0;
1420         err = verify_preview(dev, &f->fmt.win, true);
1421         if (0 != err)
1422                 return err;
1423
1424         dev->win    = f->fmt.win;
1425         dev->nclips = f->fmt.win.clipcount;
1426
1427         if (copy_from_user(dev->clips, f->fmt.win.clips,
1428                            sizeof(struct v4l2_clip) * dev->nclips))
1429                 return -EFAULT;
1430
1431         if (priv == dev->overlay_owner) {
1432                 spin_lock_irqsave(&dev->slock, flags);
1433                 stop_preview(dev);
1434                 start_preview(dev);
1435                 spin_unlock_irqrestore(&dev->slock, flags);
1436         }
1437
1438         return 0;
1439 }
1440
1441 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1442 {
1443         struct saa7134_dev *dev = video_drvdata(file);
1444         unsigned int n;
1445
1446         n = i->index;
1447         if (n >= SAA7134_INPUT_MAX)
1448                 return -EINVAL;
1449         if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1450                 return -EINVAL;
1451         i->index = n;
1452         strcpy(i->name, saa7134_input_name[card_in(dev, n).type]);
1453         switch (card_in(dev, n).type) {
1454         case SAA7134_INPUT_TV:
1455         case SAA7134_INPUT_TV_MONO:
1456                 i->type = V4L2_INPUT_TYPE_TUNER;
1457                 break;
1458         default:
1459                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1460                 break;
1461         }
1462         if (n == dev->ctl_input) {
1463                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1464                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1465
1466                 if (0 != (v1 & 0x40))
1467                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1468                 if (0 != (v2 & 0x40))
1469                         i->status |= V4L2_IN_ST_NO_SIGNAL;
1470                 if (0 != (v2 & 0x0e))
1471                         i->status |= V4L2_IN_ST_MACROVISION;
1472         }
1473         i->std = SAA7134_NORMS;
1474         return 0;
1475 }
1476 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1477
1478 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1479 {
1480         struct saa7134_dev *dev = video_drvdata(file);
1481
1482         *i = dev->ctl_input;
1483         return 0;
1484 }
1485 EXPORT_SYMBOL_GPL(saa7134_g_input);
1486
1487 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1488 {
1489         struct saa7134_dev *dev = video_drvdata(file);
1490
1491         if (i >= SAA7134_INPUT_MAX)
1492                 return -EINVAL;
1493         if (card_in(dev, i).type == SAA7134_NO_INPUT)
1494                 return -EINVAL;
1495         video_mux(dev, i);
1496         return 0;
1497 }
1498 EXPORT_SYMBOL_GPL(saa7134_s_input);
1499
1500 int saa7134_querycap(struct file *file, void *priv,
1501                                         struct v4l2_capability *cap)
1502 {
1503         struct saa7134_dev *dev = video_drvdata(file);
1504         struct video_device *vdev = video_devdata(file);
1505         u32 radio_caps, video_caps, vbi_caps;
1506
1507         unsigned int tuner_type = dev->tuner_type;
1508
1509         strcpy(cap->driver, "saa7134");
1510         strlcpy(cap->card, saa7134_boards[dev->board].name,
1511                 sizeof(cap->card));
1512         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1513
1514         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1515         if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1516                 cap->device_caps |= V4L2_CAP_TUNER;
1517
1518         radio_caps = V4L2_CAP_RADIO;
1519         if (dev->has_rds)
1520                 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1521
1522         video_caps = V4L2_CAP_VIDEO_CAPTURE;
1523         if (saa7134_no_overlay <= 0 && !is_empress(file))
1524                 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1525
1526         vbi_caps = V4L2_CAP_VBI_CAPTURE;
1527
1528         switch (vdev->vfl_type) {
1529         case VFL_TYPE_RADIO:
1530                 cap->device_caps |= radio_caps;
1531                 break;
1532         case VFL_TYPE_GRABBER:
1533                 cap->device_caps |= video_caps;
1534                 break;
1535         case VFL_TYPE_VBI:
1536                 cap->device_caps |= vbi_caps;
1537                 break;
1538         }
1539         cap->capabilities = radio_caps | video_caps | vbi_caps |
1540                 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1541         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1542                 cap->device_caps &= ~V4L2_CAP_STREAMING;
1543                 if (!dev->has_rds)
1544                         cap->device_caps &= ~V4L2_CAP_READWRITE;
1545         }
1546
1547         return 0;
1548 }
1549 EXPORT_SYMBOL_GPL(saa7134_querycap);
1550
1551 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1552 {
1553         struct saa7134_dev *dev = video_drvdata(file);
1554         struct v4l2_fh *fh = priv;
1555         unsigned long flags;
1556         unsigned int i;
1557         v4l2_std_id fixup;
1558
1559         if (is_empress(file) && dev->overlay_owner) {
1560                 /* Don't change the std from the mpeg device
1561                    if overlay is active. */
1562                 return -EBUSY;
1563         }
1564
1565         for (i = 0; i < TVNORMS; i++)
1566                 if (id == tvnorms[i].id)
1567                         break;
1568
1569         if (i == TVNORMS)
1570                 for (i = 0; i < TVNORMS; i++)
1571                         if (id & tvnorms[i].id)
1572                                 break;
1573         if (i == TVNORMS)
1574                 return -EINVAL;
1575
1576         if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1577                 if (secam[0] == 'L' || secam[0] == 'l') {
1578                         if (secam[1] == 'C' || secam[1] == 'c')
1579                                 fixup = V4L2_STD_SECAM_LC;
1580                         else
1581                                 fixup = V4L2_STD_SECAM_L;
1582                 } else {
1583                         if (secam[0] == 'D' || secam[0] == 'd')
1584                                 fixup = V4L2_STD_SECAM_DK;
1585                         else
1586                                 fixup = V4L2_STD_SECAM;
1587                 }
1588                 for (i = 0; i < TVNORMS; i++) {
1589                         if (fixup == tvnorms[i].id)
1590                                 break;
1591                 }
1592                 if (i == TVNORMS)
1593                         return -EINVAL;
1594         }
1595
1596         id = tvnorms[i].id;
1597
1598         if (!is_empress(file) && fh == dev->overlay_owner) {
1599                 spin_lock_irqsave(&dev->slock, flags);
1600                 stop_preview(dev);
1601                 spin_unlock_irqrestore(&dev->slock, flags);
1602
1603                 set_tvnorm(dev, &tvnorms[i]);
1604
1605                 spin_lock_irqsave(&dev->slock, flags);
1606                 start_preview(dev);
1607                 spin_unlock_irqrestore(&dev->slock, flags);
1608         } else
1609                 set_tvnorm(dev, &tvnorms[i]);
1610
1611         saa7134_tvaudio_do_scan(dev);
1612         return 0;
1613 }
1614 EXPORT_SYMBOL_GPL(saa7134_s_std);
1615
1616 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1617 {
1618         struct saa7134_dev *dev = video_drvdata(file);
1619
1620         *id = dev->tvnorm->id;
1621         return 0;
1622 }
1623 EXPORT_SYMBOL_GPL(saa7134_g_std);
1624
1625 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1626 {
1627         static v4l2_std_id stds[] = {
1628                 V4L2_STD_UNKNOWN,
1629                 V4L2_STD_NTSC,
1630                 V4L2_STD_PAL,
1631                 V4L2_STD_SECAM };
1632
1633         v4l2_std_id result = 0;
1634
1635         u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1636         u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1637
1638         if (!(st2 & 0x1)) /* RDCAP == 0 */
1639                 result = V4L2_STD_UNKNOWN;
1640         else
1641                 result = stds[st1 & 0x03];
1642
1643         return result;
1644 }
1645
1646 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1647 {
1648         struct saa7134_dev *dev = video_drvdata(file);
1649         *std &= saa7134_read_std(dev);
1650         return 0;
1651 }
1652 EXPORT_SYMBOL_GPL(saa7134_querystd);
1653
1654 static int saa7134_cropcap(struct file *file, void *priv,
1655                                         struct v4l2_cropcap *cap)
1656 {
1657         struct saa7134_dev *dev = video_drvdata(file);
1658
1659         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1660             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1661                 return -EINVAL;
1662         cap->bounds  = dev->crop_bounds;
1663         cap->defrect = dev->crop_defrect;
1664         cap->pixelaspect.numerator   = 1;
1665         cap->pixelaspect.denominator = 1;
1666         if (dev->tvnorm->id & V4L2_STD_525_60) {
1667                 cap->pixelaspect.numerator   = 11;
1668                 cap->pixelaspect.denominator = 10;
1669         }
1670         if (dev->tvnorm->id & V4L2_STD_625_50) {
1671                 cap->pixelaspect.numerator   = 54;
1672                 cap->pixelaspect.denominator = 59;
1673         }
1674         return 0;
1675 }
1676
1677 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1678 {
1679         struct saa7134_dev *dev = video_drvdata(file);
1680
1681         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1682             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1683                 return -EINVAL;
1684         crop->c = dev->crop_current;
1685         return 0;
1686 }
1687
1688 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1689 {
1690         struct saa7134_dev *dev = video_drvdata(file);
1691         struct v4l2_rect *b = &dev->crop_bounds;
1692         struct v4l2_rect *c = &dev->crop_current;
1693
1694         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1695             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1696                 return -EINVAL;
1697
1698         if (dev->overlay_owner)
1699                 return -EBUSY;
1700         if (vb2_is_streaming(&dev->video_vbq))
1701                 return -EBUSY;
1702
1703         *c = crop->c;
1704         if (c->top < b->top)
1705                 c->top = b->top;
1706         if (c->top > b->top + b->height)
1707                 c->top = b->top + b->height;
1708         if (c->height > b->top - c->top + b->height)
1709                 c->height = b->top - c->top + b->height;
1710
1711         if (c->left < b->left)
1712                 c->left = b->left;
1713         if (c->left > b->left + b->width)
1714                 c->left = b->left + b->width;
1715         if (c->width > b->left - c->left + b->width)
1716                 c->width = b->left - c->left + b->width;
1717         return 0;
1718 }
1719
1720 int saa7134_g_tuner(struct file *file, void *priv,
1721                                         struct v4l2_tuner *t)
1722 {
1723         struct saa7134_dev *dev = video_drvdata(file);
1724         int n;
1725
1726         if (0 != t->index)
1727                 return -EINVAL;
1728         memset(t, 0, sizeof(*t));
1729         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1730                 if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1731                     card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1732                         break;
1733         }
1734         if (n == SAA7134_INPUT_MAX)
1735                 return -EINVAL;
1736         if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1737                 strcpy(t->name, "Television");
1738                 t->type = V4L2_TUNER_ANALOG_TV;
1739                 saa_call_all(dev, tuner, g_tuner, t);
1740                 t->capability = V4L2_TUNER_CAP_NORM |
1741                         V4L2_TUNER_CAP_STEREO |
1742                         V4L2_TUNER_CAP_LANG1 |
1743                         V4L2_TUNER_CAP_LANG2;
1744                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1745                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1746         }
1747         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1748                 t->signal = 0xffff;
1749         return 0;
1750 }
1751 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1752
1753 int saa7134_s_tuner(struct file *file, void *priv,
1754                                         const struct v4l2_tuner *t)
1755 {
1756         struct saa7134_dev *dev = video_drvdata(file);
1757         int rx, mode;
1758
1759         if (0 != t->index)
1760                 return -EINVAL;
1761
1762         mode = dev->thread.mode;
1763         if (UNSET == mode) {
1764                 rx   = saa7134_tvaudio_getstereo(dev);
1765                 mode = saa7134_tvaudio_rx2mode(rx);
1766         }
1767         if (mode != t->audmode)
1768                 dev->thread.mode = t->audmode;
1769
1770         return 0;
1771 }
1772 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1773
1774 int saa7134_g_frequency(struct file *file, void *priv,
1775                                         struct v4l2_frequency *f)
1776 {
1777         struct saa7134_dev *dev = video_drvdata(file);
1778
1779         if (0 != f->tuner)
1780                 return -EINVAL;
1781
1782         saa_call_all(dev, tuner, g_frequency, f);
1783
1784         return 0;
1785 }
1786 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1787
1788 int saa7134_s_frequency(struct file *file, void *priv,
1789                                         const struct v4l2_frequency *f)
1790 {
1791         struct saa7134_dev *dev = video_drvdata(file);
1792
1793         if (0 != f->tuner)
1794                 return -EINVAL;
1795
1796         saa_call_all(dev, tuner, s_frequency, f);
1797
1798         saa7134_tvaudio_do_scan(dev);
1799         return 0;
1800 }
1801 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1802
1803 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1804                                         struct v4l2_fmtdesc *f)
1805 {
1806         if (f->index >= FORMATS)
1807                 return -EINVAL;
1808
1809         strlcpy(f->description, formats[f->index].name,
1810                 sizeof(f->description));
1811
1812         f->pixelformat = formats[f->index].fourcc;
1813
1814         return 0;
1815 }
1816
1817 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
1818                                         struct v4l2_fmtdesc *f)
1819 {
1820         if (saa7134_no_overlay > 0) {
1821                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1822                 return -EINVAL;
1823         }
1824
1825         if ((f->index >= FORMATS) || formats[f->index].planar)
1826                 return -EINVAL;
1827
1828         strlcpy(f->description, formats[f->index].name,
1829                 sizeof(f->description));
1830
1831         f->pixelformat = formats[f->index].fourcc;
1832
1833         return 0;
1834 }
1835
1836 static int saa7134_g_fbuf(struct file *file, void *f,
1837                                 struct v4l2_framebuffer *fb)
1838 {
1839         struct saa7134_dev *dev = video_drvdata(file);
1840
1841         *fb = dev->ovbuf;
1842         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1843
1844         return 0;
1845 }
1846
1847 static int saa7134_s_fbuf(struct file *file, void *f,
1848                                         const struct v4l2_framebuffer *fb)
1849 {
1850         struct saa7134_dev *dev = video_drvdata(file);
1851         struct saa7134_format *fmt;
1852
1853         if (!capable(CAP_SYS_ADMIN) &&
1854            !capable(CAP_SYS_RAWIO))
1855                 return -EPERM;
1856
1857         /* check args */
1858         fmt = format_by_fourcc(fb->fmt.pixelformat);
1859         if (NULL == fmt)
1860                 return -EINVAL;
1861
1862         /* ok, accept it */
1863         dev->ovbuf = *fb;
1864         dev->ovfmt = fmt;
1865         if (0 == dev->ovbuf.fmt.bytesperline)
1866                 dev->ovbuf.fmt.bytesperline =
1867                         dev->ovbuf.fmt.width*fmt->depth/8;
1868         return 0;
1869 }
1870
1871 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1872 {
1873         struct saa7134_dev *dev = video_drvdata(file);
1874         unsigned long flags;
1875
1876         if (on) {
1877                 if (saa7134_no_overlay > 0) {
1878                         video_dbg("no_overlay\n");
1879                         return -EINVAL;
1880                 }
1881
1882                 if (dev->overlay_owner && priv != dev->overlay_owner)
1883                         return -EBUSY;
1884                 dev->overlay_owner = priv;
1885                 spin_lock_irqsave(&dev->slock, flags);
1886                 start_preview(dev);
1887                 spin_unlock_irqrestore(&dev->slock, flags);
1888         }
1889         if (!on) {
1890                 if (priv != dev->overlay_owner)
1891                         return -EINVAL;
1892                 spin_lock_irqsave(&dev->slock, flags);
1893                 stop_preview(dev);
1894                 spin_unlock_irqrestore(&dev->slock, flags);
1895                 dev->overlay_owner = NULL;
1896         }
1897         return 0;
1898 }
1899
1900 #ifdef CONFIG_VIDEO_ADV_DEBUG
1901 static int vidioc_g_register (struct file *file, void *priv,
1902                               struct v4l2_dbg_register *reg)
1903 {
1904         struct saa7134_dev *dev = video_drvdata(file);
1905
1906         reg->val = saa_readb(reg->reg & 0xffffff);
1907         reg->size = 1;
1908         return 0;
1909 }
1910
1911 static int vidioc_s_register (struct file *file, void *priv,
1912                                 const struct v4l2_dbg_register *reg)
1913 {
1914         struct saa7134_dev *dev = video_drvdata(file);
1915
1916         saa_writeb(reg->reg & 0xffffff, reg->val);
1917         return 0;
1918 }
1919 #endif
1920
1921 static int radio_g_tuner(struct file *file, void *priv,
1922                                         struct v4l2_tuner *t)
1923 {
1924         struct saa7134_dev *dev = video_drvdata(file);
1925
1926         if (0 != t->index)
1927                 return -EINVAL;
1928
1929         strcpy(t->name, "Radio");
1930
1931         saa_call_all(dev, tuner, g_tuner, t);
1932         t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1933         if (dev->input->amux == TV) {
1934                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1935                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1936                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1937         }
1938         return 0;
1939 }
1940 static int radio_s_tuner(struct file *file, void *priv,
1941                                         const struct v4l2_tuner *t)
1942 {
1943         struct saa7134_dev *dev = video_drvdata(file);
1944
1945         if (0 != t->index)
1946                 return -EINVAL;
1947
1948         saa_call_all(dev, tuner, s_tuner, t);
1949         return 0;
1950 }
1951
1952 static const struct v4l2_file_operations video_fops =
1953 {
1954         .owner    = THIS_MODULE,
1955         .open     = video_open,
1956         .release  = video_release,
1957         .read     = vb2_fop_read,
1958         .poll     = vb2_fop_poll,
1959         .mmap     = vb2_fop_mmap,
1960         .unlocked_ioctl   = video_ioctl2,
1961 };
1962
1963 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1964         .vidioc_querycap                = saa7134_querycap,
1965         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1966         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1967         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1968         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1969         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
1970         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
1971         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
1972         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
1973         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1974         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1975         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1976         .vidioc_cropcap                 = saa7134_cropcap,
1977         .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1978         .vidioc_querybuf                = vb2_ioctl_querybuf,
1979         .vidioc_qbuf                    = vb2_ioctl_qbuf,
1980         .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1981         .vidioc_expbuf                  = vb2_ioctl_expbuf,
1982         .vidioc_s_std                   = saa7134_s_std,
1983         .vidioc_g_std                   = saa7134_g_std,
1984         .vidioc_querystd                = saa7134_querystd,
1985         .vidioc_enum_input              = saa7134_enum_input,
1986         .vidioc_g_input                 = saa7134_g_input,
1987         .vidioc_s_input                 = saa7134_s_input,
1988         .vidioc_streamon                = vb2_ioctl_streamon,
1989         .vidioc_streamoff               = vb2_ioctl_streamoff,
1990         .vidioc_g_tuner                 = saa7134_g_tuner,
1991         .vidioc_s_tuner                 = saa7134_s_tuner,
1992         .vidioc_g_crop                  = saa7134_g_crop,
1993         .vidioc_s_crop                  = saa7134_s_crop,
1994         .vidioc_g_fbuf                  = saa7134_g_fbuf,
1995         .vidioc_s_fbuf                  = saa7134_s_fbuf,
1996         .vidioc_overlay                 = saa7134_overlay,
1997         .vidioc_g_frequency             = saa7134_g_frequency,
1998         .vidioc_s_frequency             = saa7134_s_frequency,
1999 #ifdef CONFIG_VIDEO_ADV_DEBUG
2000         .vidioc_g_register              = vidioc_g_register,
2001         .vidioc_s_register              = vidioc_s_register,
2002 #endif
2003         .vidioc_log_status              = v4l2_ctrl_log_status,
2004         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
2005         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
2006 };
2007
2008 static const struct v4l2_file_operations radio_fops = {
2009         .owner    = THIS_MODULE,
2010         .open     = video_open,
2011         .read     = radio_read,
2012         .release  = video_release,
2013         .unlocked_ioctl = video_ioctl2,
2014         .poll     = radio_poll,
2015 };
2016
2017 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2018         .vidioc_querycap        = saa7134_querycap,
2019         .vidioc_g_tuner         = radio_g_tuner,
2020         .vidioc_s_tuner         = radio_s_tuner,
2021         .vidioc_g_frequency     = saa7134_g_frequency,
2022         .vidioc_s_frequency     = saa7134_s_frequency,
2023         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
2024         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
2025 };
2026
2027 /* ----------------------------------------------------------- */
2028 /* exported stuff                                              */
2029
2030 struct video_device saa7134_video_template = {
2031         .name                           = "saa7134-video",
2032         .fops                           = &video_fops,
2033         .ioctl_ops                      = &video_ioctl_ops,
2034         .tvnorms                        = SAA7134_NORMS,
2035 };
2036
2037 struct video_device saa7134_radio_template = {
2038         .name                   = "saa7134-radio",
2039         .fops                   = &radio_fops,
2040         .ioctl_ops              = &radio_ioctl_ops,
2041 };
2042
2043 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
2044         .s_ctrl = saa7134_s_ctrl,
2045 };
2046
2047 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
2048         .ops = &saa7134_ctrl_ops,
2049         .id = V4L2_CID_PRIVATE_INVERT,
2050         .name = "Invert",
2051         .type = V4L2_CTRL_TYPE_BOOLEAN,
2052         .min = 0,
2053         .max = 1,
2054         .step = 1,
2055 };
2056
2057 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
2058         .ops = &saa7134_ctrl_ops,
2059         .id = V4L2_CID_PRIVATE_Y_ODD,
2060         .name = "Y Offset Odd Field",
2061         .type = V4L2_CTRL_TYPE_INTEGER,
2062         .min = 0,
2063         .max = 128,
2064         .step = 1,
2065 };
2066
2067 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
2068         .ops = &saa7134_ctrl_ops,
2069         .id = V4L2_CID_PRIVATE_Y_EVEN,
2070         .name = "Y Offset Even Field",
2071         .type = V4L2_CTRL_TYPE_INTEGER,
2072         .min = 0,
2073         .max = 128,
2074         .step = 1,
2075 };
2076
2077 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2078         .ops = &saa7134_ctrl_ops,
2079         .id = V4L2_CID_PRIVATE_AUTOMUTE,
2080         .name = "Automute",
2081         .type = V4L2_CTRL_TYPE_BOOLEAN,
2082         .min = 0,
2083         .max = 1,
2084         .step = 1,
2085         .def = 1,
2086 };
2087
2088 int saa7134_video_init1(struct saa7134_dev *dev)
2089 {
2090         struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2091         struct vb2_queue *q;
2092         int ret;
2093
2094         /* sanitycheck insmod options */
2095         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2096                 gbuffers = 2;
2097         if (gbufsize > gbufsize_max)
2098                 gbufsize = gbufsize_max;
2099         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2100
2101         v4l2_ctrl_handler_init(hdl, 11);
2102         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2103                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2104         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2105                         V4L2_CID_CONTRAST, 0, 127, 1, 68);
2106         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2107                         V4L2_CID_SATURATION, 0, 127, 1, 64);
2108         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2109                         V4L2_CID_HUE, -128, 127, 1, 0);
2110         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2111                         V4L2_CID_HFLIP, 0, 1, 1, 0);
2112         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2113                         V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2114         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2115                         V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2116         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2117         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2118         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2119         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2120         if (hdl->error)
2121                 return hdl->error;
2122         if (card_has_radio(dev)) {
2123                 hdl = &dev->radio_ctrl_handler;
2124                 v4l2_ctrl_handler_init(hdl, 2);
2125                 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2126                                 v4l2_ctrl_radio_filter);
2127                 if (hdl->error)
2128                         return hdl->error;
2129         }
2130         dev->ctl_mute       = 1;
2131
2132         if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2133                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2134         dev->automute       = 0;
2135
2136         INIT_LIST_HEAD(&dev->video_q.queue);
2137         init_timer(&dev->video_q.timeout);
2138         dev->video_q.timeout.function = saa7134_buffer_timeout;
2139         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2140         dev->video_q.dev              = dev;
2141         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2142         dev->width    = 720;
2143         dev->height   = 576;
2144         dev->field = V4L2_FIELD_INTERLACED;
2145         dev->win.w.width = dev->width;
2146         dev->win.w.height = dev->height;
2147         dev->win.field = V4L2_FIELD_INTERLACED;
2148         dev->ovbuf.fmt.width = dev->width;
2149         dev->ovbuf.fmt.height = dev->height;
2150         dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2151         dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2152
2153         if (saa7134_boards[dev->board].video_out)
2154                 saa7134_videoport_init(dev);
2155
2156         q = &dev->video_vbq;
2157         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2158         /*
2159          * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2160          * engine cannot handle transfers that do not start at the beginning
2161          * of a page. A user-provided pointer can start anywhere in a page, so
2162          * USERPTR support is a no-go unless the application knows about these
2163          * limitations and has special support for this.
2164          */
2165         q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
2166         if (saa7134_userptr)
2167                 q->io_modes |= VB2_USERPTR;
2168         q->drv_priv = &dev->video_q;
2169         q->ops = &vb2_qops;
2170         q->gfp_flags = GFP_DMA32;
2171         q->mem_ops = &vb2_dma_sg_memops;
2172         q->buf_struct_size = sizeof(struct saa7134_buf);
2173         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2174         q->lock = &dev->lock;
2175         q->dev = &dev->pci->dev;
2176         ret = vb2_queue_init(q);
2177         if (ret)
2178                 return ret;
2179         saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2180
2181         q = &dev->vbi_vbq;
2182         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2183         /* Don't add VB2_USERPTR, see comment above */
2184         q->io_modes = VB2_MMAP | VB2_READ;
2185         if (saa7134_userptr)
2186                 q->io_modes |= VB2_USERPTR;
2187         q->drv_priv = &dev->vbi_q;
2188         q->ops = &saa7134_vbi_qops;
2189         q->gfp_flags = GFP_DMA32;
2190         q->mem_ops = &vb2_dma_sg_memops;
2191         q->buf_struct_size = sizeof(struct saa7134_buf);
2192         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2193         q->lock = &dev->lock;
2194         q->dev = &dev->pci->dev;
2195         ret = vb2_queue_init(q);
2196         if (ret)
2197                 return ret;
2198         saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2199
2200         return 0;
2201 }
2202
2203 void saa7134_video_fini(struct saa7134_dev *dev)
2204 {
2205         /* free stuff */
2206         vb2_queue_release(&dev->video_vbq);
2207         saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2208         vb2_queue_release(&dev->vbi_vbq);
2209         saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2210         v4l2_ctrl_handler_free(&dev->ctrl_handler);
2211         if (card_has_radio(dev))
2212                 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2213 }
2214
2215 int saa7134_videoport_init(struct saa7134_dev *dev)
2216 {
2217         /* enable video output */
2218         int vo = saa7134_boards[dev->board].video_out;
2219         int video_reg;
2220         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2221
2222         /* Configure videoport */
2223         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2224         video_reg = video_out[vo][1];
2225         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2226                 video_reg &= ~VP_T_CODE_P_INVERTED;
2227         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2228         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2229         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2230         video_reg = video_out[vo][5];
2231         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2232                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2233         if (vid_port_opts & SET_CLOCK_INVERTED)
2234                 video_reg |= VP_CLK_CTRL1_INVERTED;
2235         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2236         video_reg = video_out[vo][6];
2237         if (vid_port_opts & SET_VSYNC_OFF) {
2238                 video_reg &= ~VP_VS_TYPE_MASK;
2239                 video_reg |= VP_VS_TYPE_OFF;
2240         }
2241         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2242         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2243         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2244
2245         /* Start videoport */
2246         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2247
2248         return 0;
2249 }
2250
2251 int saa7134_video_init2(struct saa7134_dev *dev)
2252 {
2253         /* init video hw */
2254         set_tvnorm(dev,&tvnorms[0]);
2255         video_mux(dev,0);
2256         v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2257         saa7134_tvaudio_setmute(dev);
2258         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2259         return 0;
2260 }
2261
2262 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2263 {
2264         static const char *st[] = {
2265                 "(no signal)", "NTSC", "PAL", "SECAM" };
2266         u32 st1,st2;
2267
2268         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2269         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2270         video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2271                 (st1 & 0x40) ? "not locked" : "locked",
2272                 (st2 & 0x40) ? "no"         : "yes",
2273                 st[st1 & 0x03]);
2274         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2275
2276         if (dev->nosignal) {
2277                 /* no video signal -> mute audio */
2278                 if (dev->ctl_automute)
2279                         dev->automute = 1;
2280                 saa7134_tvaudio_setmute(dev);
2281         } else {
2282                 /* wake up tvaudio audio carrier scan thread */
2283                 saa7134_tvaudio_do_scan(dev);
2284         }
2285
2286         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2287                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2288         else
2289                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2290
2291         if (dev->mops && dev->mops->signal_change)
2292                 dev->mops->signal_change(dev);
2293 }
2294
2295
2296 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2297 {
2298         enum v4l2_field field;
2299
2300         spin_lock(&dev->slock);
2301         if (dev->video_q.curr) {
2302                 field = dev->field;
2303                 if (V4L2_FIELD_HAS_BOTH(field)) {
2304                         /* make sure we have seen both fields */
2305                         if ((status & 0x10) == 0x00) {
2306                                 dev->video_q.curr->top_seen = 1;
2307                                 goto done;
2308                         }
2309                         if (!dev->video_q.curr->top_seen)
2310                                 goto done;
2311                 } else if (field == V4L2_FIELD_TOP) {
2312                         if ((status & 0x10) != 0x10)
2313                                 goto done;
2314                 } else if (field == V4L2_FIELD_BOTTOM) {
2315                         if ((status & 0x10) != 0x00)
2316                                 goto done;
2317                 }
2318                 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2319         }
2320         saa7134_buffer_next(dev, &dev->video_q);
2321
2322  done:
2323         spin_unlock(&dev->slock);
2324 }