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
  19 #include "saa7134.h"
  20 #include "saa7134-reg.h"
  21
  22 #include <linux/init.h>
  23 #include <linux/list.h>
  24 #include <linux/module.h>
  25 #include <linux/kernel.h>
  26 #include <linux/slab.h>
  27 #include <linux/sort.h>
  28
  29 #include <media/v4l2-common.h>
  30 #include <media/v4l2-event.h>
  31 #include <media/i2c/saa6588.h>
  32
  33 /* ------------------------------------------------------------------ */
  34
  35 unsigned int video_debug;
  36 static unsigned int gbuffers      = 8;
  37 static unsigned int noninterlaced; /* 0 */
  38 static unsigned int gbufsize      = 720*576*4;
  39 static unsigned int gbufsize_max  = 720*576*4;
  40 static char secam[] = "--";
  41 module_param(video_debug, int, 0644);
  42 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  43 module_param(gbuffers, int, 0444);
  44 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  45 module_param(noninterlaced, int, 0644);
  46 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
  47 module_param_string(secam, secam, sizeof(secam), 0644);
  48 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
  49
  50
  51 #define video_dbg(fmt, arg...) do { \
  52         if (video_debug & 0x04) \
  53                 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
  54         } while (0)
  55
  56 /* ------------------------------------------------------------------ */
  57 /* Defines for Video Output Port Register at address 0x191            */
  58
  59 /* Bit 0: VIP code T bit polarity */
  60
  61 #define VP_T_CODE_P_NON_INVERTED        0x00
  62 #define VP_T_CODE_P_INVERTED            0x01
  63
  64 /* ------------------------------------------------------------------ */
  65 /* Defines for Video Output Port Register at address 0x195            */
  66
  67 /* Bit 2: Video output clock delay control */
  68
  69 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
  70 #define VP_CLK_CTRL2_DELAYED            0x04
  71
  72 /* Bit 1: Video output clock invert control */
  73
  74 #define VP_CLK_CTRL1_NON_INVERTED       0x00
  75 #define VP_CLK_CTRL1_INVERTED           0x02
  76
  77 /* ------------------------------------------------------------------ */
  78 /* Defines for Video Output Port Register at address 0x196            */
  79
  80 /* Bits 2 to 0: VSYNC pin video vertical sync type */
  81
  82 #define VP_VS_TYPE_MASK                 0x07
  83
  84 #define VP_VS_TYPE_OFF                  0x00
  85 #define VP_VS_TYPE_V123                 0x01
  86 #define VP_VS_TYPE_V_ITU                0x02
  87 #define VP_VS_TYPE_VGATE_L              0x03
  88 #define VP_VS_TYPE_RESERVED1            0x04
  89 #define VP_VS_TYPE_RESERVED2            0x05
  90 #define VP_VS_TYPE_F_ITU                0x06
  91 #define VP_VS_TYPE_SC_FID               0x07
  92
  93 /* ------------------------------------------------------------------ */
  94 /* data structs for video                                             */
  95
  96 static int video_out[][9] = {
  97         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
  98 };
  99
 100 static struct saa7134_format formats[] = {
 101         {
 102                 .name     = "8 bpp gray",
 103                 .fourcc   = V4L2_PIX_FMT_GREY,
 104                 .depth    = 8,
 105                 .pm       = 0x06,
 106         },{
 107                 .name     = "15 bpp RGB, le",
 108                 .fourcc   = V4L2_PIX_FMT_RGB555,
 109                 .depth    = 16,
 110                 .pm       = 0x13 | 0x80,
 111         },{
 112                 .name     = "15 bpp RGB, be",
 113                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 114                 .depth    = 16,
 115                 .pm       = 0x13 | 0x80,
 116                 .bswap    = 1,
 117         },{
 118                 .name     = "16 bpp RGB, le",
 119                 .fourcc   = V4L2_PIX_FMT_RGB565,
 120                 .depth    = 16,
 121                 .pm       = 0x10 | 0x80,
 122         },{
 123                 .name     = "16 bpp RGB, be",
 124                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 125                 .depth    = 16,
 126                 .pm       = 0x10 | 0x80,
 127                 .bswap    = 1,
 128         },{
 129                 .name     = "24 bpp RGB, le",
 130                 .fourcc   = V4L2_PIX_FMT_BGR24,
 131                 .depth    = 24,
 132                 .pm       = 0x11,
 133         },{
 134                 .name     = "24 bpp RGB, be",
 135                 .fourcc   = V4L2_PIX_FMT_RGB24,
 136                 .depth    = 24,
 137                 .pm       = 0x11,
 138                 .bswap    = 1,
 139         },{
 140                 .name     = "32 bpp RGB, le",
 141                 .fourcc   = V4L2_PIX_FMT_BGR32,
 142                 .depth    = 32,
 143                 .pm       = 0x12,
 144         },{
 145                 .name     = "32 bpp RGB, be",
 146                 .fourcc   = V4L2_PIX_FMT_RGB32,
 147                 .depth    = 32,
 148                 .pm       = 0x12,
 149                 .bswap    = 1,
 150                 .wswap    = 1,
 151         },{
 152                 .name     = "4:2:2 packed, YUYV",
 153                 .fourcc   = V4L2_PIX_FMT_YUYV,
 154                 .depth    = 16,
 155                 .pm       = 0x00,
 156                 .bswap    = 1,
 157                 .yuv      = 1,
 158         },{
 159                 .name     = "4:2:2 packed, UYVY",
 160                 .fourcc   = V4L2_PIX_FMT_UYVY,
 161                 .depth    = 16,
 162                 .pm       = 0x00,
 163                 .yuv      = 1,
 164         },{
 165                 .name     = "4:2:2 planar, Y-Cb-Cr",
 166                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 167                 .depth    = 16,
 168                 .pm       = 0x09,
 169                 .yuv      = 1,
 170                 .planar   = 1,
 171                 .hshift   = 1,
 172                 .vshift   = 0,
 173         },{
 174                 .name     = "4:2:0 planar, Y-Cb-Cr",
 175                 .fourcc   = V4L2_PIX_FMT_YUV420,
 176                 .depth    = 12,
 177                 .pm       = 0x0a,
 178                 .yuv      = 1,
 179                 .planar   = 1,
 180                 .hshift   = 1,
 181                 .vshift   = 1,
 182         },{
 183                 .name     = "4:2:0 planar, Y-Cb-Cr",
 184                 .fourcc   = V4L2_PIX_FMT_YVU420,
 185                 .depth    = 12,
 186                 .pm       = 0x0a,
 187                 .yuv      = 1,
 188                 .planar   = 1,
 189                 .uvswap   = 1,
 190                 .hshift   = 1,
 191                 .vshift   = 1,
 192         }
 193 };
 194 #define FORMATS ARRAY_SIZE(formats)
 195
 196 #define NORM_625_50                     \
 197                 .h_start       = 0,     \
 198                 .h_stop        = 719,   \
 199                 .video_v_start = 24,    \
 200                 .video_v_stop  = 311,   \
 201                 .vbi_v_start_0 = 7,     \
 202                 .vbi_v_stop_0  = 23,    \
 203                 .vbi_v_start_1 = 319,   \
 204                 .src_timing    = 4
 205
 206 #define NORM_525_60                     \
 207                 .h_start       = 0,     \
 208                 .h_stop        = 719,   \
 209                 .video_v_start = 23,    \
 210                 .video_v_stop  = 262,   \
 211                 .vbi_v_start_0 = 10,    \
 212                 .vbi_v_stop_0  = 21,    \
 213                 .vbi_v_start_1 = 273,   \
 214                 .src_timing    = 7
 215
 216 static struct saa7134_tvnorm tvnorms[] = {
 217         {
 218                 .name          = "PAL", /* autodetect */
 219                 .id            = V4L2_STD_PAL,
 220                 NORM_625_50,
 221
 222                 .sync_control  = 0x18,
 223                 .luma_control  = 0x40,
 224                 .chroma_ctrl1  = 0x81,
 225                 .chroma_gain   = 0x2a,
 226                 .chroma_ctrl2  = 0x06,
 227                 .vgate_misc    = 0x1c,
 228
 229         },{
 230                 .name          = "PAL-BG",
 231                 .id            = V4L2_STD_PAL_BG,
 232                 NORM_625_50,
 233
 234                 .sync_control  = 0x18,
 235                 .luma_control  = 0x40,
 236                 .chroma_ctrl1  = 0x81,
 237                 .chroma_gain   = 0x2a,
 238                 .chroma_ctrl2  = 0x06,
 239                 .vgate_misc    = 0x1c,
 240
 241         },{
 242                 .name          = "PAL-I",
 243                 .id            = V4L2_STD_PAL_I,
 244                 NORM_625_50,
 245
 246                 .sync_control  = 0x18,
 247                 .luma_control  = 0x40,
 248                 .chroma_ctrl1  = 0x81,
 249                 .chroma_gain   = 0x2a,
 250                 .chroma_ctrl2  = 0x06,
 251                 .vgate_misc    = 0x1c,
 252
 253         },{
 254                 .name          = "PAL-DK",
 255                 .id            = V4L2_STD_PAL_DK,
 256                 NORM_625_50,
 257
 258                 .sync_control  = 0x18,
 259                 .luma_control  = 0x40,
 260                 .chroma_ctrl1  = 0x81,
 261                 .chroma_gain   = 0x2a,
 262                 .chroma_ctrl2  = 0x06,
 263                 .vgate_misc    = 0x1c,
 264
 265         },{
 266                 .name          = "NTSC",
 267                 .id            = V4L2_STD_NTSC,
 268                 NORM_525_60,
 269
 270                 .sync_control  = 0x59,
 271                 .luma_control  = 0x40,
 272                 .chroma_ctrl1  = 0x89,
 273                 .chroma_gain   = 0x2a,
 274                 .chroma_ctrl2  = 0x0e,
 275                 .vgate_misc    = 0x18,
 276
 277         },{
 278                 .name          = "SECAM",
 279                 .id            = V4L2_STD_SECAM,
 280                 NORM_625_50,
 281
 282                 .sync_control  = 0x18,
 283                 .luma_control  = 0x1b,
 284                 .chroma_ctrl1  = 0xd1,
 285                 .chroma_gain   = 0x80,
 286                 .chroma_ctrl2  = 0x00,
 287                 .vgate_misc    = 0x1c,
 288
 289         },{
 290                 .name          = "SECAM-DK",
 291                 .id            = V4L2_STD_SECAM_DK,
 292                 NORM_625_50,
 293
 294                 .sync_control  = 0x18,
 295                 .luma_control  = 0x1b,
 296                 .chroma_ctrl1  = 0xd1,
 297                 .chroma_gain   = 0x80,
 298                 .chroma_ctrl2  = 0x00,
 299                 .vgate_misc    = 0x1c,
 300
 301         },{
 302                 .name          = "SECAM-L",
 303                 .id            = V4L2_STD_SECAM_L,
 304                 NORM_625_50,
 305
 306                 .sync_control  = 0x18,
 307                 .luma_control  = 0x1b,
 308                 .chroma_ctrl1  = 0xd1,
 309                 .chroma_gain   = 0x80,
 310                 .chroma_ctrl2  = 0x00,
 311                 .vgate_misc    = 0x1c,
 312
 313         },{
 314                 .name          = "SECAM-Lc",
 315                 .id            = V4L2_STD_SECAM_LC,
 316                 NORM_625_50,
 317
 318                 .sync_control  = 0x18,
 319                 .luma_control  = 0x1b,
 320                 .chroma_ctrl1  = 0xd1,
 321                 .chroma_gain   = 0x80,
 322                 .chroma_ctrl2  = 0x00,
 323                 .vgate_misc    = 0x1c,
 324
 325         },{
 326                 .name          = "PAL-M",
 327                 .id            = V4L2_STD_PAL_M,
 328                 NORM_525_60,
 329
 330                 .sync_control  = 0x59,
 331                 .luma_control  = 0x40,
 332                 .chroma_ctrl1  = 0xb9,
 333                 .chroma_gain   = 0x2a,
 334                 .chroma_ctrl2  = 0x0e,
 335                 .vgate_misc    = 0x18,
 336
 337         },{
 338                 .name          = "PAL-Nc",
 339                 .id            = V4L2_STD_PAL_Nc,
 340                 NORM_625_50,
 341
 342                 .sync_control  = 0x18,
 343                 .luma_control  = 0x40,
 344                 .chroma_ctrl1  = 0xa1,
 345                 .chroma_gain   = 0x2a,
 346                 .chroma_ctrl2  = 0x06,
 347                 .vgate_misc    = 0x1c,
 348
 349         },{
 350                 .name          = "PAL-60",
 351                 .id            = V4L2_STD_PAL_60,
 352
 353                 .h_start       = 0,
 354                 .h_stop        = 719,
 355                 .video_v_start = 23,
 356                 .video_v_stop  = 262,
 357                 .vbi_v_start_0 = 10,
 358                 .vbi_v_stop_0  = 21,
 359                 .vbi_v_start_1 = 273,
 360                 .src_timing    = 7,
 361
 362                 .sync_control  = 0x18,
 363                 .luma_control  = 0x40,
 364                 .chroma_ctrl1  = 0x81,
 365                 .chroma_gain   = 0x2a,
 366                 .chroma_ctrl2  = 0x06,
 367                 .vgate_misc    = 0x1c,
 368         }
 369 };
 370 #define TVNORMS ARRAY_SIZE(tvnorms)
 371
 372 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 373 {
 374         unsigned int i;
 375
 376         for (i = 0; i < FORMATS; i++)
 377                 if (formats[i].fourcc == fourcc)
 378                         return formats+i;
 379         return NULL;
 380 }
 381
 382 /* ------------------------------------------------------------------ */
 383
 384 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 385 {
 386         video_dbg("set tv norm = %s\n", norm->name);
 387         dev->tvnorm = norm;
 388
 389         /* setup cropping */
 390         dev->crop_bounds.left    = norm->h_start;
 391         dev->crop_defrect.left   = norm->h_start;
 392         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 393         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 394
 395         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
 396         dev->crop_defrect.top    = norm->video_v_start*2;
 397         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 398                 - dev->crop_bounds.top;
 399         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 400
 401         dev->crop_current = dev->crop_defrect;
 402
 403         saa7134_set_tvnorm_hw(dev);
 404 }
 405
 406 static void video_mux(struct saa7134_dev *dev, int input)
 407 {
 408         video_dbg("video input = %d [%s]\n",
 409                   input, saa7134_input_name[card_in(dev, input).type]);
 410         dev->ctl_input = input;
 411         set_tvnorm(dev, dev->tvnorm);
 412         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
 413 }
 414
 415
 416 static void saa7134_set_decoder(struct saa7134_dev *dev)
 417 {
 418         int luma_control, sync_control, chroma_ctrl1, mux;
 419
 420         struct saa7134_tvnorm *norm = dev->tvnorm;
 421         mux = card_in(dev, dev->ctl_input).vmux;
 422
 423         luma_control = norm->luma_control;
 424         sync_control = norm->sync_control;
 425         chroma_ctrl1 = norm->chroma_ctrl1;
 426
 427         if (mux > 5)
 428                 luma_control |= 0x80; /* svideo */
 429         if (noninterlaced || dev->nosignal)
 430                 sync_control |= 0x20;
 431
 432         /* switch on auto standard detection */
 433         sync_control |= SAA7134_SYNC_CTRL_AUFD;
 434         chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
 435         chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
 436         luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
 437
 438         /* setup video decoder */
 439         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 440         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 441         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 442
 443         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 444         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 445         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 446         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 447         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 448
 449         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 450         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 451         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 452
 453         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
 454                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
 455
 456         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
 457                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
 458
 459         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 460         saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
 461         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 462
 463         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 464         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 465
 466         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 467         saa_writeb(SAA7134_VGATE_START,           0x11);
 468         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 469         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 470         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 471         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 472 }
 473
 474 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
 475 {
 476         saa7134_set_decoder(dev);
 477
 478         saa_call_all(dev, video, s_std, dev->tvnorm->id);
 479         /* Set the correct norm for the saa6752hs. This function
 480            does nothing if there is no saa6752hs. */
 481         saa_call_empress(dev, video, s_std, dev->tvnorm->id);
 482 }
 483
 484 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 485 {
 486         static const struct {
 487                 int xpsc;
 488                 int xacl;
 489                 int xc2_1;
 490                 int xdcg;
 491                 int vpfy;
 492         } vals[] = {
 493                 /* XPSC XACL XC2_1 XDCG VPFY */
 494                 {    1,   0,    0,    0,   0 },
 495                 {    2,   2,    1,    2,   2 },
 496                 {    3,   4,    1,    3,   2 },
 497                 {    4,   8,    1,    4,   2 },
 498                 {    5,   8,    1,    4,   2 },
 499                 {    6,   8,    1,    4,   3 },
 500                 {    7,   8,    1,    4,   3 },
 501                 {    8,  15,    0,    4,   3 },
 502                 {    9,  15,    0,    4,   3 },
 503                 {   10,  16,    1,    5,   3 },
 504         };
 505         static const int count = ARRAY_SIZE(vals);
 506         int i;
 507
 508         for (i = 0; i < count; i++)
 509                 if (vals[i].xpsc == prescale)
 510                         break;
 511         if (i == count)
 512                 return;
 513
 514         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 515         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 516         saa_writeb(SAA7134_LEVEL_CTRL(task),
 517                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 518         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 519                    (vals[i].vpfy << 2) | vals[i].vpfy);
 520 }
 521
 522 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 523 {
 524         int val,mirror;
 525
 526         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 527         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 528
 529         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 530         if (yscale < 2048) {
 531                 /* LPI */
 532                 video_dbg("yscale LPI yscale=%d\n", yscale);
 533                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 534                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 535                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 536         } else {
 537                 /* ACM */
 538                 val = 0x40 * 1024 / yscale;
 539                 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
 540                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 541                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 542                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 543         }
 544         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 545 }
 546
 547 static void set_size(struct saa7134_dev *dev, int task,
 548                      int width, int height, int interlace)
 549 {
 550         int prescale,xscale,yscale,y_even,y_odd;
 551         int h_start, h_stop, v_start, v_stop;
 552         int div = interlace ? 2 : 1;
 553
 554         /* setup video scaler */
 555         h_start = dev->crop_current.left;
 556         v_start = dev->crop_current.top/2;
 557         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 558         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 559
 560         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 561         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 562         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 563         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 564         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 565         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 566         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 567         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 568
 569         prescale = dev->crop_current.width / width;
 570         if (0 == prescale)
 571                 prescale = 1;
 572         xscale = 1024 * dev->crop_current.width / prescale / width;
 573         yscale = 512 * div * dev->crop_current.height / height;
 574         video_dbg("prescale=%d xscale=%d yscale=%d\n",
 575                   prescale, xscale, yscale);
 576         set_h_prescale(dev,task,prescale);
 577         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 578         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 579         set_v_scale(dev,task,yscale);
 580
 581         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 582         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 583         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 584         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 585
 586         /* deinterlace y offsets */
 587         y_odd  = dev->ctl_y_odd;
 588         y_even = dev->ctl_y_even;
 589         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 590         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 591         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 592         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 593 }
 594
 595 /* ------------------------------------------------------------------ */
 596
 597 struct cliplist {
 598         __u16 position;
 599         __u8  enable;
 600         __u8  disable;
 601 };
 602
 603 static void set_cliplist(struct saa7134_dev *dev, int reg,
 604                         struct cliplist *cl, int entries, char *name)
 605 {
 606         __u8 winbits = 0;
 607         int i;
 608
 609         for (i = 0; i < entries; i++) {
 610                 winbits |= cl[i].enable;
 611                 winbits &= ~cl[i].disable;
 612                 if (i < 15 && cl[i].position == cl[i+1].position)
 613                         continue;
 614                 saa_writeb(reg + 0, winbits);
 615                 saa_writeb(reg + 2, cl[i].position & 0xff);
 616                 saa_writeb(reg + 3, cl[i].position >> 8);
 617                 video_dbg("clip: %s winbits=%02x pos=%d\n",
 618                         name,winbits,cl[i].position);
 619                 reg += 8;
 620         }
 621         for (; reg < 0x400; reg += 8) {
 622                 saa_writeb(reg+ 0, 0);
 623                 saa_writeb(reg + 1, 0);
 624                 saa_writeb(reg + 2, 0);
 625                 saa_writeb(reg + 3, 0);
 626         }
 627 }
 628
 629 static int clip_range(int val)
 630 {
 631         if (val < 0)
 632                 val = 0;
 633         return val;
 634 }
 635
 636 /* Sort into smallest position first order */
 637 static int cliplist_cmp(const void *a, const void *b)
 638 {
 639         const struct cliplist *cla = a;
 640         const struct cliplist *clb = b;
 641         if (cla->position < clb->position)
 642                 return -1;
 643         if (cla->position > clb->position)
 644                 return 1;
 645         return 0;
 646 }
 647
 648 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 649                           int nclips, int interlace)
 650 {
 651         struct cliplist col[16], row[16];
 652         int cols = 0, rows = 0, i;
 653         int div = interlace ? 2 : 1;
 654
 655         memset(col, 0, sizeof(col));
 656         memset(row, 0, sizeof(row));
 657         for (i = 0; i < nclips && i < 8; i++) {
 658                 col[cols].position = clip_range(clips[i].c.left);
 659                 col[cols].enable   = (1 << i);
 660                 cols++;
 661                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 662                 col[cols].disable  = (1 << i);
 663                 cols++;
 664                 row[rows].position = clip_range(clips[i].c.top / div);
 665                 row[rows].enable   = (1 << i);
 666                 rows++;
 667                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 668                                                 / div);
 669                 row[rows].disable  = (1 << i);
 670                 rows++;
 671         }
 672         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
 673         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
 674         set_cliplist(dev,0x380,col,cols,"cols");
 675         set_cliplist(dev,0x384,row,rows,"rows");
 676         return 0;
 677 }
 678
 679 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
 680 {
 681         enum v4l2_field field;
 682         int maxw, maxh;
 683
 684         if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
 685                 return -EINVAL;
 686         if (win->w.width < 48)
 687                 win->w.width = 48;
 688         if (win->w.height < 32)
 689                 win->w.height = 32;
 690         if (win->clipcount > 8)
 691                 win->clipcount = 8;
 692
 693         win->chromakey = 0;
 694         win->global_alpha = 0;
 695         field = win->field;
 696         maxw  = dev->crop_current.width;
 697         maxh  = dev->crop_current.height;
 698
 699         if (V4L2_FIELD_ANY == field) {
 700                 field = (win->w.height > maxh/2)
 701                         ? V4L2_FIELD_INTERLACED
 702                         : V4L2_FIELD_TOP;
 703         }
 704         switch (field) {
 705         case V4L2_FIELD_TOP:
 706         case V4L2_FIELD_BOTTOM:
 707                 maxh = maxh / 2;
 708                 break;
 709         default:
 710                 field = V4L2_FIELD_INTERLACED;
 711                 break;
 712         }
 713
 714         win->field = field;
 715         if (win->w.width > maxw)
 716                 win->w.width = maxw;
 717         if (win->w.height > maxh)
 718                 win->w.height = maxh;
 719         return 0;
 720 }
 721
 722 static int start_preview(struct saa7134_dev *dev)
 723 {
 724         unsigned long base,control,bpl;
 725         int err;
 726
 727         err = verify_preview(dev, &dev->win, false);
 728         if (0 != err)
 729                 return err;
 730
 731         dev->ovfield = dev->win.field;
 732         video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
 733                 dev->win.w.width, dev->win.w.height,
 734                 dev->win.w.left, dev->win.w.top,
 735                 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
 736
 737         /* setup window + clipping */
 738         set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
 739                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 740         setup_clipping(dev, dev->clips, dev->nclips,
 741                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 742         if (dev->ovfmt->yuv)
 743                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 744         else
 745                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 746         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 747
 748         /* dma: setup channel 1 (= Video Task B) */
 749         base  = (unsigned long)dev->ovbuf.base;
 750         base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
 751         base += dev->ovfmt->depth/8         * dev->win.w.left;
 752         bpl   = dev->ovbuf.fmt.bytesperline;
 753         control = SAA7134_RS_CONTROL_BURST_16;
 754         if (dev->ovfmt->bswap)
 755                 control |= SAA7134_RS_CONTROL_BSWAP;
 756         if (dev->ovfmt->wswap)
 757                 control |= SAA7134_RS_CONTROL_WSWAP;
 758         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 759                 saa_writel(SAA7134_RS_BA1(1),base);
 760                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 761                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 762                 saa_writel(SAA7134_RS_CONTROL(1),control);
 763         } else {
 764                 saa_writel(SAA7134_RS_BA1(1),base);
 765                 saa_writel(SAA7134_RS_BA2(1),base);
 766                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 767                 saa_writel(SAA7134_RS_CONTROL(1),control);
 768         }
 769
 770         /* start dma */
 771         dev->ovenable = 1;
 772         saa7134_set_dmabits(dev);
 773
 774         return 0;
 775 }
 776
 777 static int stop_preview(struct saa7134_dev *dev)
 778 {
 779         dev->ovenable = 0;
 780         saa7134_set_dmabits(dev);
 781         return 0;
 782 }
 783
 784 /*
 785  * Media Controller helper functions
 786  */
 787
 788 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
 789 {
 790 #ifdef CONFIG_MEDIA_CONTROLLER
 791         struct media_device *mdev = dev->media_dev;
 792         struct media_entity *source;
 793         struct media_link *link, *found_link = NULL;
 794         int ret, active_links = 0;
 795
 796         if (!mdev || !dev->decoder)
 797                 return 0;
 798
 799         /*
 800          * This will find the tuner that is connected into the decoder.
 801          * Technically, this is not 100% correct, as the device may be
 802          * using an analog input instead of the tuner. However, as we can't
 803          * do DVB streaming while the DMA engine is being used for V4L2,
 804          * this should be enough for the actual needs.
 805          */
 806         list_for_each_entry(link, &dev->decoder->links, list) {
 807                 if (link->sink->entity == dev->decoder) {
 808                         found_link = link;
 809                         if (link->flags & MEDIA_LNK_FL_ENABLED)
 810                                 active_links++;
 811                         break;
 812                 }
 813         }
 814
 815         if (active_links == 1 || !found_link)
 816                 return 0;
 817
 818         source = found_link->source->entity;
 819         list_for_each_entry(link, &source->links, list) {
 820                 struct media_entity *sink;
 821                 int flags = 0;
 822
 823                 sink = link->sink->entity;
 824
 825                 if (sink == dev->decoder)
 826                         flags = MEDIA_LNK_FL_ENABLED;
 827
 828                 ret = media_entity_setup_link(link, flags);
 829                 if (ret) {
 830                         pr_err("Couldn't change link %s->%s to %s. Error %d\n",
 831                                source->name, sink->name,
 832                                flags ? "enabled" : "disabled",
 833                                ret);
 834                         return ret;
 835                 }
 836         }
 837 #endif
 838         return 0;
 839 }
 840
 841 /* ------------------------------------------------------------------ */
 842
 843 static int buffer_activate(struct saa7134_dev *dev,
 844                            struct saa7134_buf *buf,
 845                            struct saa7134_buf *next)
 846 {
 847         struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
 848         unsigned long base,control,bpl;
 849         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 850
 851         video_dbg("buffer_activate buf=%p\n", buf);
 852         buf->top_seen = 0;
 853
 854         set_size(dev, TASK_A, dev->width, dev->height,
 855                  V4L2_FIELD_HAS_BOTH(dev->field));
 856         if (dev->fmt->yuv)
 857                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 858         else
 859                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 860         saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
 861
 862         /* DMA: setup channel 0 (= Video Task A0) */
 863         base  = saa7134_buffer_base(buf);
 864         if (dev->fmt->planar)
 865                 bpl = dev->width;
 866         else
 867                 bpl = (dev->width * dev->fmt->depth) / 8;
 868         control = SAA7134_RS_CONTROL_BURST_16 |
 869                 SAA7134_RS_CONTROL_ME |
 870                 (dmaq->pt.dma >> 12);
 871         if (dev->fmt->bswap)
 872                 control |= SAA7134_RS_CONTROL_BSWAP;
 873         if (dev->fmt->wswap)
 874                 control |= SAA7134_RS_CONTROL_WSWAP;
 875         if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 876                 /* interlaced */
 877                 saa_writel(SAA7134_RS_BA1(0),base);
 878                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 879                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 880         } else {
 881                 /* non-interlaced */
 882                 saa_writel(SAA7134_RS_BA1(0),base);
 883                 saa_writel(SAA7134_RS_BA2(0),base);
 884                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 885         }
 886         saa_writel(SAA7134_RS_CONTROL(0),control);
 887
 888         if (dev->fmt->planar) {
 889                 /* DMA: setup channel 4+5 (= planar task A) */
 890                 bpl_uv   = bpl >> dev->fmt->hshift;
 891                 lines_uv = dev->height >> dev->fmt->vshift;
 892                 base2    = base + bpl * dev->height;
 893                 base3    = base2 + bpl_uv * lines_uv;
 894                 if (dev->fmt->uvswap)
 895                         tmp = base2, base2 = base3, base3 = tmp;
 896                 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 897                         bpl_uv,lines_uv,base2,base3);
 898                 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
 899                         /* interlaced */
 900                         saa_writel(SAA7134_RS_BA1(4),base2);
 901                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 902                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 903                         saa_writel(SAA7134_RS_BA1(5),base3);
 904                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 905                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 906                 } else {
 907                         /* non-interlaced */
 908                         saa_writel(SAA7134_RS_BA1(4),base2);
 909                         saa_writel(SAA7134_RS_BA2(4),base2);
 910                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 911                         saa_writel(SAA7134_RS_BA1(5),base3);
 912                         saa_writel(SAA7134_RS_BA2(5),base3);
 913                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 914                 }
 915                 saa_writel(SAA7134_RS_CONTROL(4),control);
 916                 saa_writel(SAA7134_RS_CONTROL(5),control);
 917         }
 918
 919         /* start DMA */
 920         saa7134_set_dmabits(dev);
 921         mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
 922         return 0;
 923 }
 924
 925 static int buffer_init(struct vb2_buffer *vb2)
 926 {
 927         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 928         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
 929         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 930
 931         dmaq->curr = NULL;
 932         buf->activate = buffer_activate;
 933         return 0;
 934 }
 935
 936 static int buffer_prepare(struct vb2_buffer *vb2)
 937 {
 938         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
 939         struct saa7134_dev *dev = dmaq->dev;
 940         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
 941         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 942         struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
 943         unsigned int size;
 944
 945         if (dma->sgl->offset) {
 946                 pr_err("The buffer is not page-aligned\n");
 947                 return -EINVAL;
 948         }
 949         size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 950         if (vb2_plane_size(vb2, 0) < size)
 951                 return -EINVAL;
 952
 953         vb2_set_plane_payload(vb2, 0, size);
 954         vbuf->field = dev->field;
 955
 956         return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
 957                                     saa7134_buffer_startpage(buf));
 958 }
 959
 960 static int queue_setup(struct vb2_queue *q,
 961                            unsigned int *nbuffers, unsigned int *nplanes,
 962                            unsigned int sizes[], struct device *alloc_devs[])
 963 {
 964         struct saa7134_dmaqueue *dmaq = q->drv_priv;
 965         struct saa7134_dev *dev = dmaq->dev;
 966         int size = dev->fmt->depth * dev->width * dev->height >> 3;
 967
 968         if (dev->width    < 48 ||
 969             dev->height   < 32 ||
 970             dev->width/4  > dev->crop_current.width  ||
 971             dev->height/4 > dev->crop_current.height ||
 972             dev->width    > dev->crop_bounds.width  ||
 973             dev->height   > dev->crop_bounds.height)
 974                 return -EINVAL;
 975
 976         *nbuffers = saa7134_buffer_count(size, *nbuffers);
 977         *nplanes = 1;
 978         sizes[0] = size;
 979
 980         saa7134_enable_analog_tuner(dev);
 981
 982         return 0;
 983 }
 984
 985 /*
 986  * move buffer to hardware queue
 987  */
 988 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
 989 {
 990         struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
 991         struct saa7134_dev *dev = dmaq->dev;
 992         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 993         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
 994
 995         saa7134_buffer_queue(dev, dmaq, buf);
 996 }
 997 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
 998
 999 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
1000 {
1001         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1002         struct saa7134_dev *dev = dmaq->dev;
1003
1004         /*
1005          * Planar video capture and TS share the same DMA channel,
1006          * so only one can be active at a time.
1007          */
1008         if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
1009             dmaq == &dev->video_q && dev->fmt->planar) {
1010                 struct saa7134_buf *buf, *tmp;
1011
1012                 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
1013                         list_del(&buf->entry);
1014                         vb2_buffer_done(&buf->vb2.vb2_buf,
1015                                         VB2_BUF_STATE_QUEUED);
1016                 }
1017                 if (dmaq->curr) {
1018                         vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
1019                                         VB2_BUF_STATE_QUEUED);
1020                         dmaq->curr = NULL;
1021                 }
1022                 return -EBUSY;
1023         }
1024
1025         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
1026          * configured conservatively, there's 22 usec of buffering for video.
1027          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
1028          * margin in case the FIFO is configured differently to the datasheet.
1029          * Unfortunately, I lack register-level documentation to check the
1030          * Linux FIFO setup and confirm the perfect value.
1031          */
1032         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1033             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1034                 pm_qos_add_request(&dev->qos_request,
1035                         PM_QOS_CPU_DMA_LATENCY, 20);
1036         dmaq->seq_nr = 0;
1037
1038         return 0;
1039 }
1040
1041 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
1042 {
1043         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1044         struct saa7134_dev *dev = dmaq->dev;
1045
1046         saa7134_stop_streaming(dev, dmaq);
1047
1048         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1049             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1050                 pm_qos_remove_request(&dev->qos_request);
1051 }
1052
1053 static const struct vb2_ops vb2_qops = {
1054         .queue_setup    = queue_setup,
1055         .buf_init       = buffer_init,
1056         .buf_prepare    = buffer_prepare,
1057         .buf_queue      = saa7134_vb2_buffer_queue,
1058         .wait_prepare   = vb2_ops_wait_prepare,
1059         .wait_finish    = vb2_ops_wait_finish,
1060         .start_streaming = saa7134_vb2_start_streaming,
1061         .stop_streaming = saa7134_vb2_stop_streaming,
1062 };
1063
1064 /* ------------------------------------------------------------------ */
1065
1066 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1067 {
1068         struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1069         unsigned long flags;
1070         int restart_overlay = 0;
1071
1072         switch (ctrl->id) {
1073         case V4L2_CID_BRIGHTNESS:
1074                 dev->ctl_bright = ctrl->val;
1075                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1076                 break;
1077         case V4L2_CID_HUE:
1078                 dev->ctl_hue = ctrl->val;
1079                 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1080                 break;
1081         case V4L2_CID_CONTRAST:
1082                 dev->ctl_contrast = ctrl->val;
1083                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1084                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1085                 break;
1086         case V4L2_CID_SATURATION:
1087                 dev->ctl_saturation = ctrl->val;
1088                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1089                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1090                 break;
1091         case V4L2_CID_AUDIO_MUTE:
1092                 dev->ctl_mute = ctrl->val;
1093                 saa7134_tvaudio_setmute(dev);
1094                 break;
1095         case V4L2_CID_AUDIO_VOLUME:
1096                 dev->ctl_volume = ctrl->val;
1097                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1098                 break;
1099         case V4L2_CID_PRIVATE_INVERT:
1100                 dev->ctl_invert = ctrl->val;
1101                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1102                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1103                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1104                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1105                 break;
1106         case V4L2_CID_HFLIP:
1107                 dev->ctl_mirror = ctrl->val;
1108                 restart_overlay = 1;
1109                 break;
1110         case V4L2_CID_PRIVATE_Y_EVEN:
1111                 dev->ctl_y_even = ctrl->val;
1112                 restart_overlay = 1;
1113                 break;
1114         case V4L2_CID_PRIVATE_Y_ODD:
1115                 dev->ctl_y_odd = ctrl->val;
1116                 restart_overlay = 1;
1117                 break;
1118         case V4L2_CID_PRIVATE_AUTOMUTE:
1119         {
1120                 struct v4l2_priv_tun_config tda9887_cfg;
1121
1122                 tda9887_cfg.tuner = TUNER_TDA9887;
1123                 tda9887_cfg.priv = &dev->tda9887_conf;
1124
1125                 dev->ctl_automute = ctrl->val;
1126                 if (dev->tda9887_conf) {
1127                         if (dev->ctl_automute)
1128                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1129                         else
1130                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1131
1132                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1133                 }
1134                 break;
1135         }
1136         default:
1137                 return -EINVAL;
1138         }
1139         if (restart_overlay && dev->overlay_owner) {
1140                 spin_lock_irqsave(&dev->slock, flags);
1141                 stop_preview(dev);
1142                 start_preview(dev);
1143                 spin_unlock_irqrestore(&dev->slock, flags);
1144         }
1145         return 0;
1146 }
1147
1148 /* ------------------------------------------------------------------ */
1149
1150 static int video_open(struct file *file)
1151 {
1152         struct video_device *vdev = video_devdata(file);
1153         struct saa7134_dev *dev = video_drvdata(file);
1154         int ret = v4l2_fh_open(file);
1155
1156         if (ret < 0)
1157                 return ret;
1158
1159         mutex_lock(&dev->lock);
1160         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1161                 /* switch to radio mode */
1162                 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1163                 saa_call_all(dev, tuner, s_radio);
1164         } else {
1165                 /* switch to video/vbi mode */
1166                 video_mux(dev, dev->ctl_input);
1167         }
1168         mutex_unlock(&dev->lock);
1169
1170         return 0;
1171 }
1172
1173 static int video_release(struct file *file)
1174 {
1175         struct video_device *vdev = video_devdata(file);
1176         struct saa7134_dev *dev = video_drvdata(file);
1177         struct v4l2_fh *fh = file->private_data;
1178         struct saa6588_command cmd;
1179         unsigned long flags;
1180
1181         mutex_lock(&dev->lock);
1182         saa7134_tvaudio_close(dev);
1183
1184         /* turn off overlay */
1185         if (fh == dev->overlay_owner) {
1186                 spin_lock_irqsave(&dev->slock,flags);
1187                 stop_preview(dev);
1188                 spin_unlock_irqrestore(&dev->slock,flags);
1189                 dev->overlay_owner = NULL;
1190         }
1191
1192         if (vdev->vfl_type == VFL_TYPE_RADIO)
1193                 v4l2_fh_release(file);
1194         else
1195                 _vb2_fop_release(file, NULL);
1196
1197         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1198         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1199         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1200         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1201         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1202
1203         saa_call_all(dev, core, s_power, 0);
1204         if (vdev->vfl_type == VFL_TYPE_RADIO)
1205                 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1206         mutex_unlock(&dev->lock);
1207
1208         return 0;
1209 }
1210
1211 static ssize_t radio_read(struct file *file, char __user *data,
1212                          size_t count, loff_t *ppos)
1213 {
1214         struct saa7134_dev *dev = video_drvdata(file);
1215         struct saa6588_command cmd;
1216
1217         cmd.block_count = count/3;
1218         cmd.nonblocking = file->f_flags & O_NONBLOCK;
1219         cmd.buffer = data;
1220         cmd.instance = file;
1221         cmd.result = -ENODEV;
1222
1223         mutex_lock(&dev->lock);
1224         saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1225         mutex_unlock(&dev->lock);
1226
1227         return cmd.result;
1228 }
1229
1230 static unsigned int radio_poll(struct file *file, poll_table *wait)
1231 {
1232         struct saa7134_dev *dev = video_drvdata(file);
1233         struct saa6588_command cmd;
1234         unsigned int rc = v4l2_ctrl_poll(file, wait);
1235
1236         cmd.instance = file;
1237         cmd.event_list = wait;
1238         cmd.result = 0;
1239         mutex_lock(&dev->lock);
1240         saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1241         mutex_unlock(&dev->lock);
1242
1243         return rc | cmd.result;
1244 }
1245
1246 /* ------------------------------------------------------------------ */
1247
1248 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1249                                                 struct v4l2_format *f)
1250 {
1251         struct saa7134_dev *dev = video_drvdata(file);
1252         struct saa7134_tvnorm *norm = dev->tvnorm;
1253
1254         memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1255         f->fmt.vbi.sampling_rate = 6750000 * 4;
1256         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1257         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1258         f->fmt.vbi.offset = 64 * 4;
1259         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1260         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1261         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1262         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1263         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1264
1265         return 0;
1266 }
1267
1268 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1269                                 struct v4l2_format *f)
1270 {
1271         struct saa7134_dev *dev = video_drvdata(file);
1272
1273         f->fmt.pix.width        = dev->width;
1274         f->fmt.pix.height       = dev->height;
1275         f->fmt.pix.field        = dev->field;
1276         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1277         if (dev->fmt->planar)
1278                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1279         else
1280                 f->fmt.pix.bytesperline =
1281                         (f->fmt.pix.width * dev->fmt->depth) / 8;
1282         f->fmt.pix.sizeimage =
1283                 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1284         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1285         return 0;
1286 }
1287
1288 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1289                                 struct v4l2_format *f)
1290 {
1291         struct saa7134_dev *dev = video_drvdata(file);
1292         struct v4l2_clip __user *clips = f->fmt.win.clips;
1293         u32 clipcount = f->fmt.win.clipcount;
1294         int err = 0;
1295         int i;
1296
1297         if (saa7134_no_overlay > 0) {
1298                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1299                 return -EINVAL;
1300         }
1301         f->fmt.win = dev->win;
1302         f->fmt.win.clips = clips;
1303         if (clips == NULL)
1304                 clipcount = 0;
1305         if (dev->nclips < clipcount)
1306                 clipcount = dev->nclips;
1307         f->fmt.win.clipcount = clipcount;
1308
1309         for (i = 0; !err && i < clipcount; i++) {
1310                 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1311                                         sizeof(struct v4l2_rect)))
1312                         err = -EFAULT;
1313         }
1314
1315         return err;
1316 }
1317
1318 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1319                                                 struct v4l2_format *f)
1320 {
1321         struct saa7134_dev *dev = video_drvdata(file);
1322         struct saa7134_format *fmt;
1323         enum v4l2_field field;
1324         unsigned int maxw, maxh;
1325
1326         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1327         if (NULL == fmt)
1328                 return -EINVAL;
1329
1330         field = f->fmt.pix.field;
1331         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1332         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1333
1334         if (V4L2_FIELD_ANY == field) {
1335                 field = (f->fmt.pix.height > maxh/2)
1336                         ? V4L2_FIELD_INTERLACED
1337                         : V4L2_FIELD_BOTTOM;
1338         }
1339         switch (field) {
1340         case V4L2_FIELD_TOP:
1341         case V4L2_FIELD_BOTTOM:
1342                 maxh = maxh / 2;
1343                 break;
1344         default:
1345                 field = V4L2_FIELD_INTERLACED;
1346                 break;
1347         }
1348
1349         f->fmt.pix.field = field;
1350         if (f->fmt.pix.width  < 48)
1351                 f->fmt.pix.width  = 48;
1352         if (f->fmt.pix.height < 32)
1353                 f->fmt.pix.height = 32;
1354         if (f->fmt.pix.width > maxw)
1355                 f->fmt.pix.width = maxw;
1356         if (f->fmt.pix.height > maxh)
1357                 f->fmt.pix.height = maxh;
1358         f->fmt.pix.width &= ~0x03;
1359         if (fmt->planar)
1360                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1361         else
1362                 f->fmt.pix.bytesperline =
1363                         (f->fmt.pix.width * fmt->depth) / 8;
1364         f->fmt.pix.sizeimage =
1365                 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1366         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1367
1368         return 0;
1369 }
1370
1371 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1372                                                 struct v4l2_format *f)
1373 {
1374         struct saa7134_dev *dev = video_drvdata(file);
1375
1376         if (saa7134_no_overlay > 0) {
1377                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1378                 return -EINVAL;
1379         }
1380
1381         if (f->fmt.win.clips == NULL)
1382                 f->fmt.win.clipcount = 0;
1383         return verify_preview(dev, &f->fmt.win, true);
1384 }
1385
1386 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1387                                         struct v4l2_format *f)
1388 {
1389         struct saa7134_dev *dev = video_drvdata(file);
1390         int err;
1391
1392         err = saa7134_try_fmt_vid_cap(file, priv, f);
1393         if (0 != err)
1394                 return err;
1395
1396         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1397         dev->width = f->fmt.pix.width;
1398         dev->height = f->fmt.pix.height;
1399         dev->field = f->fmt.pix.field;
1400         return 0;
1401 }
1402
1403 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1404                                         struct v4l2_format *f)
1405 {
1406         struct saa7134_dev *dev = video_drvdata(file);
1407         int err;
1408         unsigned long flags;
1409
1410         if (saa7134_no_overlay > 0) {
1411                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1412                 return -EINVAL;
1413         }
1414         if (f->fmt.win.clips == NULL)
1415                 f->fmt.win.clipcount = 0;
1416         err = verify_preview(dev, &f->fmt.win, true);
1417         if (0 != err)
1418                 return err;
1419
1420         dev->win    = f->fmt.win;
1421         dev->nclips = f->fmt.win.clipcount;
1422
1423         if (copy_from_user(dev->clips, f->fmt.win.clips,
1424                            sizeof(struct v4l2_clip) * dev->nclips))
1425                 return -EFAULT;
1426
1427         if (priv == dev->overlay_owner) {
1428                 spin_lock_irqsave(&dev->slock, flags);
1429                 stop_preview(dev);
1430                 start_preview(dev);
1431                 spin_unlock_irqrestore(&dev->slock, flags);
1432         }
1433
1434         return 0;
1435 }
1436
1437 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1438 {
1439         struct saa7134_dev *dev = video_drvdata(file);
1440         unsigned int n;
1441
1442         n = i->index;
1443         if (n >= SAA7134_INPUT_MAX)
1444                 return -EINVAL;
1445         if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1446                 return -EINVAL;
1447         i->index = n;
1448         strcpy(i->name, saa7134_input_name[card_in(dev, n).type]);
1449         switch (card_in(dev, n).type) {
1450         case SAA7134_INPUT_TV:
1451         case SAA7134_INPUT_TV_MONO:
1452                 i->type = V4L2_INPUT_TYPE_TUNER;
1453                 break;
1454         default:
1455                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1456                 break;
1457         }
1458         if (n == dev->ctl_input) {
1459                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1460                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1461
1462                 if (0 != (v1 & 0x40))
1463                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1464                 if (0 != (v2 & 0x40))
1465                         i->status |= V4L2_IN_ST_NO_SIGNAL;
1466                 if (0 != (v2 & 0x0e))
1467                         i->status |= V4L2_IN_ST_MACROVISION;
1468         }
1469         i->std = SAA7134_NORMS;
1470         return 0;
1471 }
1472 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1473
1474 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1475 {
1476         struct saa7134_dev *dev = video_drvdata(file);
1477
1478         *i = dev->ctl_input;
1479         return 0;
1480 }
1481 EXPORT_SYMBOL_GPL(saa7134_g_input);
1482
1483 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1484 {
1485         struct saa7134_dev *dev = video_drvdata(file);
1486
1487         if (i >= SAA7134_INPUT_MAX)
1488                 return -EINVAL;
1489         if (card_in(dev, i).type == SAA7134_NO_INPUT)
1490                 return -EINVAL;
1491         video_mux(dev, i);
1492         return 0;
1493 }
1494 EXPORT_SYMBOL_GPL(saa7134_s_input);
1495
1496 int saa7134_querycap(struct file *file, void *priv,
1497                                         struct v4l2_capability *cap)
1498 {
1499         struct saa7134_dev *dev = video_drvdata(file);
1500         struct video_device *vdev = video_devdata(file);
1501         u32 radio_caps, video_caps, vbi_caps;
1502
1503         unsigned int tuner_type = dev->tuner_type;
1504
1505         strcpy(cap->driver, "saa7134");
1506         strlcpy(cap->card, saa7134_boards[dev->board].name,
1507                 sizeof(cap->card));
1508         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1509
1510         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1511         if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1512                 cap->device_caps |= V4L2_CAP_TUNER;
1513
1514         radio_caps = V4L2_CAP_RADIO;
1515         if (dev->has_rds)
1516                 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1517
1518         video_caps = V4L2_CAP_VIDEO_CAPTURE;
1519         if (saa7134_no_overlay <= 0 && !is_empress(file))
1520                 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1521
1522         vbi_caps = V4L2_CAP_VBI_CAPTURE;
1523
1524         switch (vdev->vfl_type) {
1525         case VFL_TYPE_RADIO:
1526                 cap->device_caps |= radio_caps;
1527                 break;
1528         case VFL_TYPE_GRABBER:
1529                 cap->device_caps |= video_caps;
1530                 break;
1531         case VFL_TYPE_VBI:
1532                 cap->device_caps |= vbi_caps;
1533                 break;
1534         default:
1535                 return -EINVAL;
1536         }
1537         cap->capabilities = radio_caps | video_caps | vbi_caps |
1538                 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1539         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1540                 cap->device_caps &= ~V4L2_CAP_STREAMING;
1541                 if (!dev->has_rds)
1542                         cap->device_caps &= ~V4L2_CAP_READWRITE;
1543         }
1544
1545         return 0;
1546 }
1547 EXPORT_SYMBOL_GPL(saa7134_querycap);
1548
1549 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1550 {
1551         struct saa7134_dev *dev = video_drvdata(file);
1552         struct v4l2_fh *fh = priv;
1553         unsigned long flags;
1554         unsigned int i;
1555         v4l2_std_id fixup;
1556
1557         if (is_empress(file) && dev->overlay_owner) {
1558                 /* Don't change the std from the mpeg device
1559                    if overlay is active. */
1560                 return -EBUSY;
1561         }
1562
1563         for (i = 0; i < TVNORMS; i++)
1564                 if (id == tvnorms[i].id)
1565                         break;
1566
1567         if (i == TVNORMS)
1568                 for (i = 0; i < TVNORMS; i++)
1569                         if (id & tvnorms[i].id)
1570                                 break;
1571         if (i == TVNORMS)
1572                 return -EINVAL;
1573
1574         if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1575                 if (secam[0] == 'L' || secam[0] == 'l') {
1576                         if (secam[1] == 'C' || secam[1] == 'c')
1577                                 fixup = V4L2_STD_SECAM_LC;
1578                         else
1579                                 fixup = V4L2_STD_SECAM_L;
1580                 } else {
1581                         if (secam[0] == 'D' || secam[0] == 'd')
1582                                 fixup = V4L2_STD_SECAM_DK;
1583                         else
1584                                 fixup = V4L2_STD_SECAM;
1585                 }
1586                 for (i = 0; i < TVNORMS; i++) {
1587                         if (fixup == tvnorms[i].id)
1588                                 break;
1589                 }
1590                 if (i == TVNORMS)
1591                         return -EINVAL;
1592         }
1593
1594         id = tvnorms[i].id;
1595
1596         if (!is_empress(file) && fh == dev->overlay_owner) {
1597                 spin_lock_irqsave(&dev->slock, flags);
1598                 stop_preview(dev);
1599                 spin_unlock_irqrestore(&dev->slock, flags);
1600
1601                 set_tvnorm(dev, &tvnorms[i]);
1602
1603                 spin_lock_irqsave(&dev->slock, flags);
1604                 start_preview(dev);
1605                 spin_unlock_irqrestore(&dev->slock, flags);
1606         } else
1607                 set_tvnorm(dev, &tvnorms[i]);
1608
1609         saa7134_tvaudio_do_scan(dev);
1610         return 0;
1611 }
1612 EXPORT_SYMBOL_GPL(saa7134_s_std);
1613
1614 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1615 {
1616         struct saa7134_dev *dev = video_drvdata(file);
1617
1618         *id = dev->tvnorm->id;
1619         return 0;
1620 }
1621 EXPORT_SYMBOL_GPL(saa7134_g_std);
1622
1623 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1624 {
1625         static v4l2_std_id stds[] = {
1626                 V4L2_STD_UNKNOWN,
1627                 V4L2_STD_NTSC,
1628                 V4L2_STD_PAL,
1629                 V4L2_STD_SECAM };
1630
1631         v4l2_std_id result = 0;
1632
1633         u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1634         u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1635
1636         if (!(st2 & 0x1)) /* RDCAP == 0 */
1637                 result = V4L2_STD_UNKNOWN;
1638         else
1639                 result = stds[st1 & 0x03];
1640
1641         return result;
1642 }
1643
1644 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1645 {
1646         struct saa7134_dev *dev = video_drvdata(file);
1647         *std &= saa7134_read_std(dev);
1648         return 0;
1649 }
1650 EXPORT_SYMBOL_GPL(saa7134_querystd);
1651
1652 static int saa7134_cropcap(struct file *file, void *priv,
1653                                         struct v4l2_cropcap *cap)
1654 {
1655         struct saa7134_dev *dev = video_drvdata(file);
1656
1657         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1658             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1659                 return -EINVAL;
1660         cap->pixelaspect.numerator   = 1;
1661         cap->pixelaspect.denominator = 1;
1662         if (dev->tvnorm->id & V4L2_STD_525_60) {
1663                 cap->pixelaspect.numerator   = 11;
1664                 cap->pixelaspect.denominator = 10;
1665         }
1666         if (dev->tvnorm->id & V4L2_STD_625_50) {
1667                 cap->pixelaspect.numerator   = 54;
1668                 cap->pixelaspect.denominator = 59;
1669         }
1670         return 0;
1671 }
1672
1673 static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
1674 {
1675         struct saa7134_dev *dev = video_drvdata(file);
1676
1677         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1678             sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1679                 return -EINVAL;
1680
1681         switch (sel->target) {
1682         case V4L2_SEL_TGT_CROP:
1683                 sel->r = dev->crop_current;
1684                 break;
1685         case V4L2_SEL_TGT_CROP_DEFAULT:
1686                 sel->r = dev->crop_defrect;
1687                 break;
1688         case V4L2_SEL_TGT_CROP_BOUNDS:
1689                 sel->r  = dev->crop_bounds;
1690                 break;
1691         default:
1692                 return -EINVAL;
1693         }
1694         return 0;
1695 }
1696
1697 static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
1698 {
1699         struct saa7134_dev *dev = video_drvdata(file);
1700         struct v4l2_rect *b = &dev->crop_bounds;
1701         struct v4l2_rect *c = &dev->crop_current;
1702
1703         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1704             sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1705                 return -EINVAL;
1706
1707         if (sel->target != V4L2_SEL_TGT_CROP)
1708                 return -EINVAL;
1709
1710         if (dev->overlay_owner)
1711                 return -EBUSY;
1712         if (vb2_is_streaming(&dev->video_vbq))
1713                 return -EBUSY;
1714
1715         *c = sel->r;
1716         if (c->top < b->top)
1717                 c->top = b->top;
1718         if (c->top > b->top + b->height)
1719                 c->top = b->top + b->height;
1720         if (c->height > b->top - c->top + b->height)
1721                 c->height = b->top - c->top + b->height;
1722
1723         if (c->left < b->left)
1724                 c->left = b->left;
1725         if (c->left > b->left + b->width)
1726                 c->left = b->left + b->width;
1727         if (c->width > b->left - c->left + b->width)
1728                 c->width = b->left - c->left + b->width;
1729         sel->r = *c;
1730         return 0;
1731 }
1732
1733 int saa7134_g_tuner(struct file *file, void *priv,
1734                                         struct v4l2_tuner *t)
1735 {
1736         struct saa7134_dev *dev = video_drvdata(file);
1737         int n;
1738
1739         if (0 != t->index)
1740                 return -EINVAL;
1741         memset(t, 0, sizeof(*t));
1742         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1743                 if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1744                     card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1745                         break;
1746         }
1747         if (n == SAA7134_INPUT_MAX)
1748                 return -EINVAL;
1749         if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1750                 strcpy(t->name, "Television");
1751                 t->type = V4L2_TUNER_ANALOG_TV;
1752                 saa_call_all(dev, tuner, g_tuner, t);
1753                 t->capability = V4L2_TUNER_CAP_NORM |
1754                         V4L2_TUNER_CAP_STEREO |
1755                         V4L2_TUNER_CAP_LANG1 |
1756                         V4L2_TUNER_CAP_LANG2;
1757                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1758                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1759         }
1760         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1761                 t->signal = 0xffff;
1762         return 0;
1763 }
1764 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1765
1766 int saa7134_s_tuner(struct file *file, void *priv,
1767                                         const struct v4l2_tuner *t)
1768 {
1769         struct saa7134_dev *dev = video_drvdata(file);
1770         int rx, mode;
1771
1772         if (0 != t->index)
1773                 return -EINVAL;
1774
1775         mode = dev->thread.mode;
1776         if (UNSET == mode) {
1777                 rx   = saa7134_tvaudio_getstereo(dev);
1778                 mode = saa7134_tvaudio_rx2mode(rx);
1779         }
1780         if (mode != t->audmode)
1781                 dev->thread.mode = t->audmode;
1782
1783         return 0;
1784 }
1785 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1786
1787 int saa7134_g_frequency(struct file *file, void *priv,
1788                                         struct v4l2_frequency *f)
1789 {
1790         struct saa7134_dev *dev = video_drvdata(file);
1791
1792         if (0 != f->tuner)
1793                 return -EINVAL;
1794
1795         saa_call_all(dev, tuner, g_frequency, f);
1796
1797         return 0;
1798 }
1799 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1800
1801 int saa7134_s_frequency(struct file *file, void *priv,
1802                                         const struct v4l2_frequency *f)
1803 {
1804         struct saa7134_dev *dev = video_drvdata(file);
1805
1806         if (0 != f->tuner)
1807                 return -EINVAL;
1808
1809         saa_call_all(dev, tuner, s_frequency, f);
1810
1811         saa7134_tvaudio_do_scan(dev);
1812         return 0;
1813 }
1814 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1815
1816 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1817                                         struct v4l2_fmtdesc *f)
1818 {
1819         if (f->index >= FORMATS)
1820                 return -EINVAL;
1821
1822         strlcpy(f->description, formats[f->index].name,
1823                 sizeof(f->description));
1824
1825         f->pixelformat = formats[f->index].fourcc;
1826
1827         return 0;
1828 }
1829
1830 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
1831                                         struct v4l2_fmtdesc *f)
1832 {
1833         if (saa7134_no_overlay > 0) {
1834                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1835                 return -EINVAL;
1836         }
1837
1838         if ((f->index >= FORMATS) || formats[f->index].planar)
1839                 return -EINVAL;
1840
1841         strlcpy(f->description, formats[f->index].name,
1842                 sizeof(f->description));
1843
1844         f->pixelformat = formats[f->index].fourcc;
1845
1846         return 0;
1847 }
1848
1849 static int saa7134_g_fbuf(struct file *file, void *f,
1850                                 struct v4l2_framebuffer *fb)
1851 {
1852         struct saa7134_dev *dev = video_drvdata(file);
1853
1854         *fb = dev->ovbuf;
1855         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1856
1857         return 0;
1858 }
1859
1860 static int saa7134_s_fbuf(struct file *file, void *f,
1861                                         const struct v4l2_framebuffer *fb)
1862 {
1863         struct saa7134_dev *dev = video_drvdata(file);
1864         struct saa7134_format *fmt;
1865
1866         if (!capable(CAP_SYS_ADMIN) &&
1867            !capable(CAP_SYS_RAWIO))
1868                 return -EPERM;
1869
1870         /* check args */
1871         fmt = format_by_fourcc(fb->fmt.pixelformat);
1872         if (NULL == fmt)
1873                 return -EINVAL;
1874
1875         /* ok, accept it */
1876         dev->ovbuf = *fb;
1877         dev->ovfmt = fmt;
1878         if (0 == dev->ovbuf.fmt.bytesperline)
1879                 dev->ovbuf.fmt.bytesperline =
1880                         dev->ovbuf.fmt.width*fmt->depth/8;
1881         return 0;
1882 }
1883
1884 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1885 {
1886         struct saa7134_dev *dev = video_drvdata(file);
1887         unsigned long flags;
1888
1889         if (on) {
1890                 if (saa7134_no_overlay > 0) {
1891                         video_dbg("no_overlay\n");
1892                         return -EINVAL;
1893                 }
1894
1895                 if (dev->overlay_owner && priv != dev->overlay_owner)
1896                         return -EBUSY;
1897                 dev->overlay_owner = priv;
1898                 spin_lock_irqsave(&dev->slock, flags);
1899                 start_preview(dev);
1900                 spin_unlock_irqrestore(&dev->slock, flags);
1901         }
1902         if (!on) {
1903                 if (priv != dev->overlay_owner)
1904                         return -EINVAL;
1905                 spin_lock_irqsave(&dev->slock, flags);
1906                 stop_preview(dev);
1907                 spin_unlock_irqrestore(&dev->slock, flags);
1908                 dev->overlay_owner = NULL;
1909         }
1910         return 0;
1911 }
1912
1913 #ifdef CONFIG_VIDEO_ADV_DEBUG
1914 static int vidioc_g_register (struct file *file, void *priv,
1915                               struct v4l2_dbg_register *reg)
1916 {
1917         struct saa7134_dev *dev = video_drvdata(file);
1918
1919         reg->val = saa_readb(reg->reg & 0xffffff);
1920         reg->size = 1;
1921         return 0;
1922 }
1923
1924 static int vidioc_s_register (struct file *file, void *priv,
1925                                 const struct v4l2_dbg_register *reg)
1926 {
1927         struct saa7134_dev *dev = video_drvdata(file);
1928
1929         saa_writeb(reg->reg & 0xffffff, reg->val);
1930         return 0;
1931 }
1932 #endif
1933
1934 static int radio_g_tuner(struct file *file, void *priv,
1935                                         struct v4l2_tuner *t)
1936 {
1937         struct saa7134_dev *dev = video_drvdata(file);
1938
1939         if (0 != t->index)
1940                 return -EINVAL;
1941
1942         strcpy(t->name, "Radio");
1943
1944         saa_call_all(dev, tuner, g_tuner, t);
1945         t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1946         if (dev->input->amux == TV) {
1947                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1948                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1949                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1950         }
1951         return 0;
1952 }
1953 static int radio_s_tuner(struct file *file, void *priv,
1954                                         const struct v4l2_tuner *t)
1955 {
1956         struct saa7134_dev *dev = video_drvdata(file);
1957
1958         if (0 != t->index)
1959                 return -EINVAL;
1960
1961         saa_call_all(dev, tuner, s_tuner, t);
1962         return 0;
1963 }
1964
1965 static const struct v4l2_file_operations video_fops =
1966 {
1967         .owner    = THIS_MODULE,
1968         .open     = video_open,
1969         .release  = video_release,
1970         .read     = vb2_fop_read,
1971         .poll     = vb2_fop_poll,
1972         .mmap     = vb2_fop_mmap,
1973         .unlocked_ioctl   = video_ioctl2,
1974 };
1975
1976 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1977         .vidioc_querycap                = saa7134_querycap,
1978         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1979         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1980         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1981         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1982         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
1983         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
1984         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
1985         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
1986         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1987         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1988         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1989         .vidioc_cropcap                 = saa7134_cropcap,
1990         .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1991         .vidioc_querybuf                = vb2_ioctl_querybuf,
1992         .vidioc_qbuf                    = vb2_ioctl_qbuf,
1993         .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1994         .vidioc_expbuf                  = vb2_ioctl_expbuf,
1995         .vidioc_s_std                   = saa7134_s_std,
1996         .vidioc_g_std                   = saa7134_g_std,
1997         .vidioc_querystd                = saa7134_querystd,
1998         .vidioc_enum_input              = saa7134_enum_input,
1999         .vidioc_g_input                 = saa7134_g_input,
2000         .vidioc_s_input                 = saa7134_s_input,
2001         .vidioc_streamon                = vb2_ioctl_streamon,
2002         .vidioc_streamoff               = vb2_ioctl_streamoff,
2003         .vidioc_g_tuner                 = saa7134_g_tuner,
2004         .vidioc_s_tuner                 = saa7134_s_tuner,
2005         .vidioc_g_selection             = saa7134_g_selection,
2006         .vidioc_s_selection             = saa7134_s_selection,
2007         .vidioc_g_fbuf                  = saa7134_g_fbuf,
2008         .vidioc_s_fbuf                  = saa7134_s_fbuf,
2009         .vidioc_overlay                 = saa7134_overlay,
2010         .vidioc_g_frequency             = saa7134_g_frequency,
2011         .vidioc_s_frequency             = saa7134_s_frequency,
2012 #ifdef CONFIG_VIDEO_ADV_DEBUG
2013         .vidioc_g_register              = vidioc_g_register,
2014         .vidioc_s_register              = vidioc_s_register,
2015 #endif
2016         .vidioc_log_status              = v4l2_ctrl_log_status,
2017         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
2018         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
2019 };
2020
2021 static const struct v4l2_file_operations radio_fops = {
2022         .owner    = THIS_MODULE,
2023         .open     = video_open,
2024         .read     = radio_read,
2025         .release  = video_release,
2026         .unlocked_ioctl = video_ioctl2,
2027         .poll     = radio_poll,
2028 };
2029
2030 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2031         .vidioc_querycap        = saa7134_querycap,
2032         .vidioc_g_tuner         = radio_g_tuner,
2033         .vidioc_s_tuner         = radio_s_tuner,
2034         .vidioc_g_frequency     = saa7134_g_frequency,
2035         .vidioc_s_frequency     = saa7134_s_frequency,
2036         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
2037         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
2038 };
2039
2040 /* ----------------------------------------------------------- */
2041 /* exported stuff                                              */
2042
2043 struct video_device saa7134_video_template = {
2044         .name                           = "saa7134-video",
2045         .fops                           = &video_fops,
2046         .ioctl_ops                      = &video_ioctl_ops,
2047         .tvnorms                        = SAA7134_NORMS,
2048 };
2049
2050 struct video_device saa7134_radio_template = {
2051         .name                   = "saa7134-radio",
2052         .fops                   = &radio_fops,
2053         .ioctl_ops              = &radio_ioctl_ops,
2054 };
2055
2056 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
2057         .s_ctrl = saa7134_s_ctrl,
2058 };
2059
2060 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
2061         .ops = &saa7134_ctrl_ops,
2062         .id = V4L2_CID_PRIVATE_INVERT,
2063         .name = "Invert",
2064         .type = V4L2_CTRL_TYPE_BOOLEAN,
2065         .min = 0,
2066         .max = 1,
2067         .step = 1,
2068 };
2069
2070 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
2071         .ops = &saa7134_ctrl_ops,
2072         .id = V4L2_CID_PRIVATE_Y_ODD,
2073         .name = "Y Offset Odd Field",
2074         .type = V4L2_CTRL_TYPE_INTEGER,
2075         .min = 0,
2076         .max = 128,
2077         .step = 1,
2078 };
2079
2080 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
2081         .ops = &saa7134_ctrl_ops,
2082         .id = V4L2_CID_PRIVATE_Y_EVEN,
2083         .name = "Y Offset Even Field",
2084         .type = V4L2_CTRL_TYPE_INTEGER,
2085         .min = 0,
2086         .max = 128,
2087         .step = 1,
2088 };
2089
2090 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2091         .ops = &saa7134_ctrl_ops,
2092         .id = V4L2_CID_PRIVATE_AUTOMUTE,
2093         .name = "Automute",
2094         .type = V4L2_CTRL_TYPE_BOOLEAN,
2095         .min = 0,
2096         .max = 1,
2097         .step = 1,
2098         .def = 1,
2099 };
2100
2101 int saa7134_video_init1(struct saa7134_dev *dev)
2102 {
2103         struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2104         struct vb2_queue *q;
2105         int ret;
2106
2107         /* sanitycheck insmod options */
2108         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2109                 gbuffers = 2;
2110         if (gbufsize > gbufsize_max)
2111                 gbufsize = gbufsize_max;
2112         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2113
2114         v4l2_ctrl_handler_init(hdl, 11);
2115         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2116                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2117         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2118                         V4L2_CID_CONTRAST, 0, 127, 1, 68);
2119         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2120                         V4L2_CID_SATURATION, 0, 127, 1, 64);
2121         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2122                         V4L2_CID_HUE, -128, 127, 1, 0);
2123         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2124                         V4L2_CID_HFLIP, 0, 1, 1, 0);
2125         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2126                         V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2127         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2128                         V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2129         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2130         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2131         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2132         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2133         if (hdl->error)
2134                 return hdl->error;
2135         if (card_has_radio(dev)) {
2136                 hdl = &dev->radio_ctrl_handler;
2137                 v4l2_ctrl_handler_init(hdl, 2);
2138                 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2139                                 v4l2_ctrl_radio_filter);
2140                 if (hdl->error)
2141                         return hdl->error;
2142         }
2143         dev->ctl_mute       = 1;
2144
2145         if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2146                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2147         dev->automute       = 0;
2148
2149         INIT_LIST_HEAD(&dev->video_q.queue);
2150         timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
2151         dev->video_q.dev              = dev;
2152         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2153         dev->width    = 720;
2154         dev->height   = 576;
2155         dev->field = V4L2_FIELD_INTERLACED;
2156         dev->win.w.width = dev->width;
2157         dev->win.w.height = dev->height;
2158         dev->win.field = V4L2_FIELD_INTERLACED;
2159         dev->ovbuf.fmt.width = dev->width;
2160         dev->ovbuf.fmt.height = dev->height;
2161         dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2162         dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2163
2164         if (saa7134_boards[dev->board].video_out)
2165                 saa7134_videoport_init(dev);
2166
2167         q = &dev->video_vbq;
2168         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2169         /*
2170          * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2171          * engine cannot handle transfers that do not start at the beginning
2172          * of a page. A user-provided pointer can start anywhere in a page, so
2173          * USERPTR support is a no-go unless the application knows about these
2174          * limitations and has special support for this.
2175          */
2176         q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
2177         if (saa7134_userptr)
2178                 q->io_modes |= VB2_USERPTR;
2179         q->drv_priv = &dev->video_q;
2180         q->ops = &vb2_qops;
2181         q->gfp_flags = GFP_DMA32;
2182         q->mem_ops = &vb2_dma_sg_memops;
2183         q->buf_struct_size = sizeof(struct saa7134_buf);
2184         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2185         q->lock = &dev->lock;
2186         q->dev = &dev->pci->dev;
2187         ret = vb2_queue_init(q);
2188         if (ret)
2189                 return ret;
2190         saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2191
2192         q = &dev->vbi_vbq;
2193         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2194         /* Don't add VB2_USERPTR, see comment above */
2195         q->io_modes = VB2_MMAP | VB2_READ;
2196         if (saa7134_userptr)
2197                 q->io_modes |= VB2_USERPTR;
2198         q->drv_priv = &dev->vbi_q;
2199         q->ops = &saa7134_vbi_qops;
2200         q->gfp_flags = GFP_DMA32;
2201         q->mem_ops = &vb2_dma_sg_memops;
2202         q->buf_struct_size = sizeof(struct saa7134_buf);
2203         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2204         q->lock = &dev->lock;
2205         q->dev = &dev->pci->dev;
2206         ret = vb2_queue_init(q);
2207         if (ret)
2208                 return ret;
2209         saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2210
2211         return 0;
2212 }
2213
2214 void saa7134_video_fini(struct saa7134_dev *dev)
2215 {
2216         /* free stuff */
2217         vb2_queue_release(&dev->video_vbq);
2218         saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2219         vb2_queue_release(&dev->vbi_vbq);
2220         saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2221         v4l2_ctrl_handler_free(&dev->ctrl_handler);
2222         if (card_has_radio(dev))
2223                 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2224 }
2225
2226 int saa7134_videoport_init(struct saa7134_dev *dev)
2227 {
2228         /* enable video output */
2229         int vo = saa7134_boards[dev->board].video_out;
2230         int video_reg;
2231         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2232
2233         /* Configure videoport */
2234         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2235         video_reg = video_out[vo][1];
2236         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2237                 video_reg &= ~VP_T_CODE_P_INVERTED;
2238         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2239         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2240         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2241         video_reg = video_out[vo][5];
2242         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2243                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2244         if (vid_port_opts & SET_CLOCK_INVERTED)
2245                 video_reg |= VP_CLK_CTRL1_INVERTED;
2246         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2247         video_reg = video_out[vo][6];
2248         if (vid_port_opts & SET_VSYNC_OFF) {
2249                 video_reg &= ~VP_VS_TYPE_MASK;
2250                 video_reg |= VP_VS_TYPE_OFF;
2251         }
2252         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2253         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2254         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2255
2256         /* Start videoport */
2257         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2258
2259         return 0;
2260 }
2261
2262 int saa7134_video_init2(struct saa7134_dev *dev)
2263 {
2264         /* init video hw */
2265         set_tvnorm(dev,&tvnorms[0]);
2266         video_mux(dev,0);
2267         v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2268         saa7134_tvaudio_setmute(dev);
2269         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2270         return 0;
2271 }
2272
2273 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2274 {
2275         static const char *st[] = {
2276                 "(no signal)", "NTSC", "PAL", "SECAM" };
2277         u32 st1,st2;
2278
2279         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2280         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2281         video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2282                 (st1 & 0x40) ? "not locked" : "locked",
2283                 (st2 & 0x40) ? "no"         : "yes",
2284                 st[st1 & 0x03]);
2285         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2286
2287         if (dev->nosignal) {
2288                 /* no video signal -> mute audio */
2289                 if (dev->ctl_automute)
2290                         dev->automute = 1;
2291                 saa7134_tvaudio_setmute(dev);
2292         } else {
2293                 /* wake up tvaudio audio carrier scan thread */
2294                 saa7134_tvaudio_do_scan(dev);
2295         }
2296
2297         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2298                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2299         else
2300                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2301
2302         if (dev->mops && dev->mops->signal_change)
2303                 dev->mops->signal_change(dev);
2304 }
2305
2306
2307 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2308 {
2309         enum v4l2_field field;
2310
2311         spin_lock(&dev->slock);
2312         if (dev->video_q.curr) {
2313                 field = dev->field;
2314                 if (V4L2_FIELD_HAS_BOTH(field)) {
2315                         /* make sure we have seen both fields */
2316                         if ((status & 0x10) == 0x00) {
2317                                 dev->video_q.curr->top_seen = 1;
2318                                 goto done;
2319                         }
2320                         if (!dev->video_q.curr->top_seen)
2321                                 goto done;
2322                 } else if (field == V4L2_FIELD_TOP) {
2323                         if ((status & 0x10) != 0x10)
2324                                 goto done;
2325                 } else if (field == V4L2_FIELD_BOTTOM) {
2326                         if ((status & 0x10) != 0x00)
2327                                 goto done;
2328                 }
2329                 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2330         }
2331         saa7134_buffer_next(dev, &dev->video_q);
2332
2333  done:
2334         spin_unlock(&dev->slock);
2335 }