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

   1 /*
   2  * $Id: saa7134-video.c,v 1.19 2004/11/07 14:44:59 kraxel Exp $
   3  *
   4  * device driver for philips saa7134 based TV cards
   5  * video4linux video interface
   6  *
   7  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24 #include <linux/init.h>
  25 #include <linux/list.h>
  26 #include <linux/module.h>
  27 #include <linux/kernel.h>
  28 #include <linux/slab.h>
  29
  30 #include "saa7134-reg.h"
  31 #include "saa7134.h"
  32
  33 #define V4L2_I2C_CLIENTS 1
  34
  35 /* ------------------------------------------------------------------ */
  36
  37 static unsigned int video_debug   = 0;
  38 static unsigned int gbuffers      = 8;
  39 static unsigned int noninterlaced = 0;
  40 static unsigned int gbufsize      = 720*576*4;
  41 static unsigned int gbufsize_max  = 720*576*4;
  42 module_param(video_debug, int, 0644);
  43 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  44 module_param(gbuffers, int, 0444);
  45 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
  46 module_param(noninterlaced, int, 0644);
  47 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
  48
  49 #define dprintk(fmt, arg...)    if (video_debug) \
  50         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
  51
  52 /* ------------------------------------------------------------------ */
  53 /* data structs for video                                             */
  54
  55 static int video_out[][9] = {
  56         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
  57 };
  58
  59 static struct saa7134_format formats[] = {
  60         {
  61                 .name     = "8 bpp gray",
  62                 .fourcc   = V4L2_PIX_FMT_GREY,
  63                 .depth    = 8,
  64                 .pm       = 0x06,
  65         },{
  66                 .name     = "15 bpp RGB, le",
  67                 .fourcc   = V4L2_PIX_FMT_RGB555,
  68                 .depth    = 16,
  69                 .pm       = 0x13 | 0x80,
  70         },{
  71                 .name     = "15 bpp RGB, be",
  72                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  73                 .depth    = 16,
  74                 .pm       = 0x13 | 0x80,
  75                 .bswap    = 1,
  76         },{
  77                 .name     = "16 bpp RGB, le",
  78                 .fourcc   = V4L2_PIX_FMT_RGB565,
  79                 .depth    = 16,
  80                 .pm       = 0x10 | 0x80,
  81         },{
  82                 .name     = "16 bpp RGB, be",
  83                 .fourcc   = V4L2_PIX_FMT_RGB565X,
  84                 .depth    = 16,
  85                 .pm       = 0x10 | 0x80,
  86                 .bswap    = 1,
  87         },{
  88                 .name     = "24 bpp RGB, le",
  89                 .fourcc   = V4L2_PIX_FMT_BGR24,
  90                 .depth    = 24,
  91                 .pm       = 0x11,
  92         },{
  93                 .name     = "24 bpp RGB, be",
  94                 .fourcc   = V4L2_PIX_FMT_RGB24,
  95                 .depth    = 24,
  96                 .pm       = 0x11,
  97                 .bswap    = 1,
  98         },{
  99                 .name     = "32 bpp RGB, le",
 100                 .fourcc   = V4L2_PIX_FMT_BGR32,
 101                 .depth    = 32,
 102                 .pm       = 0x12,
 103         },{
 104                 .name     = "32 bpp RGB, be",
 105                 .fourcc   = V4L2_PIX_FMT_RGB32,
 106                 .depth    = 32,
 107                 .pm       = 0x12,
 108                 .bswap    = 1,
 109                 .wswap    = 1,
 110         },{
 111                 .name     = "4:2:2 packed, YUYV",
 112                 .fourcc   = V4L2_PIX_FMT_YUYV,
 113                 .depth    = 16,
 114                 .pm       = 0x00,
 115                 .bswap    = 1,
 116                 .yuv      = 1,
 117         },{
 118                 .name     = "4:2:2 packed, UYVY",
 119                 .fourcc   = V4L2_PIX_FMT_UYVY,
 120                 .depth    = 16,
 121                 .pm       = 0x00,
 122                 .yuv      = 1,
 123         },{
 124                 .name     = "4:2:2 planar, Y-Cb-Cr",
 125                 .fourcc   = V4L2_PIX_FMT_YUV422P,
 126                 .depth    = 16,
 127                 .pm       = 0x09,
 128                 .yuv      = 1,
 129                 .planar   = 1,
 130                 .hshift   = 1,
 131                 .vshift   = 0,
 132         },{
 133                 .name     = "4:2:0 planar, Y-Cb-Cr",
 134                 .fourcc   = V4L2_PIX_FMT_YUV420,
 135                 .depth    = 12,
 136                 .pm       = 0x0a,
 137                 .yuv      = 1,
 138                 .planar   = 1,
 139                 .hshift   = 1,
 140                 .vshift   = 1,
 141         },{
 142                 .name     = "4:2:0 planar, Y-Cb-Cr",
 143                 .fourcc   = V4L2_PIX_FMT_YVU420,
 144                 .depth    = 12,
 145                 .pm       = 0x0a,
 146                 .yuv      = 1,
 147                 .planar   = 1,
 148                 .uvswap   = 1,
 149                 .hshift   = 1,
 150                 .vshift   = 1,
 151         }
 152 };
 153 #define FORMATS ARRAY_SIZE(formats)
 154
 155 #define NORM_625_50                     \
 156                 .h_start       = 0,     \
 157                 .h_stop        = 719,   \
 158                 .video_v_start = 24,    \
 159                 .video_v_stop  = 311,   \
 160                 .vbi_v_start   = 7,     \
 161                 .vbi_v_stop    = 22,    \
 162                 .src_timing    = 4
 163
 164 #define NORM_525_60                     \
 165                 .h_start       = 0,     \
 166                 .h_stop        = 703,   \
 167                 .video_v_start = 22,    \
 168                 .video_v_stop  = 22+239, \
 169                 .vbi_v_start   = 10, /* FIXME */ \
 170                 .vbi_v_stop    = 21, /* FIXME */ \
 171                 .src_timing    = 1
 172
 173 static struct saa7134_tvnorm tvnorms[] = {
 174         {
 175                 .name          = "PAL", /* autodetect */
 176                 .id            = V4L2_STD_PAL,
 177                 NORM_625_50,
 178
 179                 .sync_control  = 0x18,
 180                 .luma_control  = 0x40,
 181                 .chroma_ctrl1  = 0x81,
 182                 .chroma_gain   = 0x2a,
 183                 .chroma_ctrl2  = 0x06,
 184                 .vgate_misc    = 0x1c,
 185
 186         },{
 187                 .name          = "PAL-BG",
 188                 .id            = V4L2_STD_PAL_BG,
 189                 NORM_625_50,
 190
 191                 .sync_control  = 0x18,
 192                 .luma_control  = 0x40,
 193                 .chroma_ctrl1  = 0x81,
 194                 .chroma_gain   = 0x2a,
 195                 .chroma_ctrl2  = 0x06,
 196                 .vgate_misc    = 0x1c,
 197
 198         },{
 199                 .name          = "PAL-I",
 200                 .id            = V4L2_STD_PAL_I,
 201                 NORM_625_50,
 202
 203                 .sync_control  = 0x18,
 204                 .luma_control  = 0x40,
 205                 .chroma_ctrl1  = 0x81,
 206                 .chroma_gain   = 0x2a,
 207                 .chroma_ctrl2  = 0x06,
 208                 .vgate_misc    = 0x1c,
 209
 210         },{
 211                 .name          = "PAL-DK",
 212                 .id            = V4L2_STD_PAL_DK,
 213                 NORM_625_50,
 214
 215                 .sync_control  = 0x18,
 216                 .luma_control  = 0x40,
 217                 .chroma_ctrl1  = 0x81,
 218                 .chroma_gain   = 0x2a,
 219                 .chroma_ctrl2  = 0x06,
 220                 .vgate_misc    = 0x1c,
 221
 222         },{
 223                 .name          = "NTSC",
 224                 .id            = V4L2_STD_NTSC,
 225                 NORM_525_60,
 226
 227                 .sync_control  = 0x59,
 228                 .luma_control  = 0x40,
 229                 .chroma_ctrl1  = 0x89,
 230                 .chroma_gain   = 0x2a,
 231                 .chroma_ctrl2  = 0x0e,
 232                 .vgate_misc    = 0x18,
 233
 234         },{
 235                 .name          = "SECAM",
 236                 .id            = V4L2_STD_SECAM,
 237                 NORM_625_50,
 238
 239                 .sync_control  = 0x18, /* old: 0x58, */
 240                 .luma_control  = 0x1b,
 241                 .chroma_ctrl1  = 0xd1,
 242                 .chroma_gain   = 0x80,
 243                 .chroma_ctrl2  = 0x00,
 244                 .vgate_misc    = 0x1c,
 245
 246         },{
 247                 .name          = "PAL-M",
 248                 .id            = V4L2_STD_PAL_M,
 249                 NORM_525_60,
 250
 251                 .sync_control  = 0x59,
 252                 .luma_control  = 0x40,
 253                 .chroma_ctrl1  = 0xb9,
 254                 .chroma_gain   = 0x2a,
 255                 .chroma_ctrl2  = 0x0e,
 256                 .vgate_misc    = 0x18,
 257
 258         },{
 259                 .name          = "PAL-Nc",
 260                 .id            = V4L2_STD_PAL_Nc,
 261                 NORM_625_50,
 262
 263                 .sync_control  = 0x18,
 264                 .luma_control  = 0x40,
 265                 .chroma_ctrl1  = 0xa1,
 266                 .chroma_gain   = 0x2a,
 267                 .chroma_ctrl2  = 0x06,
 268                 .vgate_misc    = 0x1c,
 269
 270         }
 271 };
 272 #define TVNORMS ARRAY_SIZE(tvnorms)
 273
 274 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
 275 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
 276 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
 277 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
 278 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
 279
 280 static const struct v4l2_queryctrl no_ctrl = {
 281         .name  = "42",
 282         .flags = V4L2_CTRL_FLAG_DISABLED,
 283 };
 284 static const struct v4l2_queryctrl video_ctrls[] = {
 285         /* --- video --- */
 286         {
 287                 .id            = V4L2_CID_BRIGHTNESS,
 288                 .name          = "Brightness",
 289                 .minimum       = 0,
 290                 .maximum       = 255,
 291                 .step          = 1,
 292                 .default_value = 128,
 293                 .type          = V4L2_CTRL_TYPE_INTEGER,
 294         },{
 295                 .id            = V4L2_CID_CONTRAST,
 296                 .name          = "Contrast",
 297                 .minimum       = 0,
 298                 .maximum       = 127,
 299                 .step          = 1,
 300                 .default_value = 68,
 301                 .type          = V4L2_CTRL_TYPE_INTEGER,
 302         },{
 303                 .id            = V4L2_CID_SATURATION,
 304                 .name          = "Saturation",
 305                 .minimum       = 0,
 306                 .maximum       = 127,
 307                 .step          = 1,
 308                 .default_value = 64,
 309                 .type          = V4L2_CTRL_TYPE_INTEGER,
 310         },{
 311                 .id            = V4L2_CID_HUE,
 312                 .name          = "Hue",
 313                 .minimum       = -128,
 314                 .maximum       = 127,
 315                 .step          = 1,
 316                 .default_value = 0,
 317                 .type          = V4L2_CTRL_TYPE_INTEGER,
 318         },{
 319                 .id            = V4L2_CID_VFLIP,
 320                 .name          = "vertical flip",
 321                 .minimum       = 0,
 322                 .maximum       = 1,
 323                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 324         },
 325         /* --- audio --- */
 326         {
 327                 .id            = V4L2_CID_AUDIO_MUTE,
 328                 .name          = "Mute",
 329                 .minimum       = 0,
 330                 .maximum       = 1,
 331                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 332         },{
 333                 .id            = V4L2_CID_AUDIO_VOLUME,
 334                 .name          = "Volume",
 335                 .minimum       = -15,
 336                 .maximum       = 15,
 337                 .step          = 1,
 338                 .default_value = 0,
 339                 .type          = V4L2_CTRL_TYPE_INTEGER,
 340         },
 341         /* --- private --- */
 342         {
 343                 .id            = V4L2_CID_PRIVATE_INVERT,
 344                 .name          = "Invert",
 345                 .minimum       = 0,
 346                 .maximum       = 1,
 347                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 348         },{
 349                 .id            = V4L2_CID_PRIVATE_Y_ODD,
 350                 .name          = "y offset odd field",
 351                 .minimum       = 0,
 352                 .maximum       = 128,
 353                 .default_value = 0,
 354                 .type          = V4L2_CTRL_TYPE_INTEGER,
 355         },{
 356                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
 357                 .name          = "y offset even field",
 358                 .minimum       = 0,
 359                 .maximum       = 128,
 360                 .default_value = 0,
 361                 .type          = V4L2_CTRL_TYPE_INTEGER,
 362         },{
 363                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
 364                 .name          = "automute",
 365                 .minimum       = 0,
 366                 .maximum       = 1,
 367                 .default_value = 1,
 368                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
 369         }
 370 };
 371 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
 372
 373 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
 374 {
 375         unsigned int i;
 376
 377         for (i = 0; i < CTRLS; i++)
 378                 if (video_ctrls[i].id == id)
 379                         return video_ctrls+i;
 380         return NULL;
 381 }
 382
 383 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
 384 {
 385         unsigned int i;
 386
 387         for (i = 0; i < FORMATS; i++)
 388                 if (formats[i].fourcc == fourcc)
 389                         return formats+i;
 390         return NULL;
 391 }
 392
 393 /* ----------------------------------------------------------------------- */
 394 /* resource management                                                     */
 395
 396 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
 397 {
 398         if (fh->resources & bit)
 399                 /* have it already allocated */
 400                 return 1;
 401
 402         /* is it free? */
 403         down(&dev->lock);
 404         if (dev->resources & bit) {
 405                 /* no, someone else uses it */
 406                 up(&dev->lock);
 407                 return 0;
 408         }
 409         /* it's free, grab it */
 410         fh->resources  |= bit;
 411         dev->resources |= bit;
 412         dprintk("res: get %d\n",bit);
 413         up(&dev->lock);
 414         return 1;
 415 }
 416
 417 static
 418 int res_check(struct saa7134_fh *fh, unsigned int bit)
 419 {
 420         return (fh->resources & bit);
 421 }
 422
 423 static
 424 int res_locked(struct saa7134_dev *dev, unsigned int bit)
 425 {
 426         return (dev->resources & bit);
 427 }
 428
 429 static
 430 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
 431 {
 432         if ((fh->resources & bits) != bits)
 433                 BUG();
 434
 435         down(&dev->lock);
 436         fh->resources  &= ~bits;
 437         dev->resources &= ~bits;
 438         dprintk("res: put %d\n",bits);
 439         up(&dev->lock);
 440 }
 441
 442 /* ------------------------------------------------------------------ */
 443
 444 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
 445 {
 446         int luma_control,sync_control,mux,nosignal;
 447
 448         dprintk("set tv norm = %s\n",norm->name);
 449         dev->tvnorm = norm;
 450         nosignal = (0 == (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03));
 451
 452         mux = card_in(dev,dev->ctl_input).vmux;
 453         luma_control = norm->luma_control;
 454         sync_control = norm->sync_control;
 455
 456         if (mux > 5)
 457                 luma_control |= 0x80; /* svideo */
 458         if (noninterlaced || nosignal)
 459                 sync_control |= 0x20;
 460
 461         /* setup cropping */
 462         dev->crop_bounds.left    = norm->h_start;
 463         dev->crop_defrect.left   = norm->h_start;
 464         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
 465         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
 466
 467         dev->crop_bounds.top     = (norm->vbi_v_stop+1)*2;
 468         dev->crop_defrect.top    = norm->video_v_start*2;
 469         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
 470                 - dev->crop_bounds.top;
 471         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
 472
 473         dev->crop_current = dev->crop_defrect;
 474
 475         /* setup video decoder */
 476         saa_writeb(SAA7134_INCR_DELAY,            0x08);
 477         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
 478         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
 479
 480         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
 481         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
 482         saa_writeb(SAA7134_HSYNC_START,           0xeb);
 483         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
 484         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
 485
 486         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
 487         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
 488         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
 489         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,     dev->ctl_contrast);
 490
 491         saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
 492         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
 493         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
 494         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
 495
 496         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
 497         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
 498
 499         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
 500         saa_writeb(SAA7134_VGATE_START,           0x11);
 501         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
 502         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
 503         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
 504         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
 505
 506 #ifdef V4L2_I2C_CLIENTS
 507         saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
 508 #else
 509         {
 510                 /* pass down info to the i2c chips (v4l1) */
 511                 struct video_channel c;
 512                 memset(&c,0,sizeof(c));
 513                 c.channel = dev->ctl_input;
 514                 c.norm = VIDEO_MODE_PAL;
 515                 if (norm->id & V4L2_STD_NTSC)
 516                         c.norm = VIDEO_MODE_NTSC;
 517                 if (norm->id & V4L2_STD_SECAM)
 518                         c.norm = VIDEO_MODE_SECAM;
 519                 saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c);
 520         }
 521 #endif
 522 }
 523
 524 static void video_mux(struct saa7134_dev *dev, int input)
 525 {
 526         dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
 527         dev->ctl_input = input;
 528         set_tvnorm(dev,dev->tvnorm);
 529         saa7134_tvaudio_setinput(dev,&card_in(dev,input));
 530 }
 531
 532 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
 533 {
 534         static const struct {
 535                 int xpsc;
 536                 int xacl;
 537                 int xc2_1;
 538                 int xdcg;
 539                 int vpfy;
 540         } vals[] = {
 541                 /* XPSC XACL XC2_1 XDCG VPFY */
 542                 {    1,   0,    0,    0,   0 },
 543                 {    2,   2,    1,    2,   2 },
 544                 {    3,   4,    1,    3,   2 },
 545                 {    4,   8,    1,    4,   2 },
 546                 {    5,   8,    1,    4,   2 },
 547                 {    6,   8,    1,    4,   3 },
 548                 {    7,   8,    1,    4,   3 },
 549                 {    8,  15,    0,    4,   3 },
 550                 {    9,  15,    0,    4,   3 },
 551                 {   10,  16,    1,    5,   3 },
 552         };
 553         static const int count = ARRAY_SIZE(vals);
 554         int i;
 555
 556         for (i = 0; i < count; i++)
 557                 if (vals[i].xpsc == prescale)
 558                         break;
 559         if (i == count)
 560                 return;
 561
 562         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
 563         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
 564         saa_writeb(SAA7134_LEVEL_CTRL(task),
 565                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
 566         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
 567                    (vals[i].vpfy << 2) | vals[i].vpfy);
 568 }
 569
 570 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
 571 {
 572         int val,mirror;
 573
 574         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
 575         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
 576
 577         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
 578         if (yscale < 2048) {
 579                 /* LPI */
 580                 dprintk("yscale LPI yscale=%d\n",yscale);
 581                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
 582                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
 583                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
 584         } else {
 585                 /* ACM */
 586                 val = 0x40 * 1024 / yscale;
 587                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
 588                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
 589                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
 590                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
 591         }
 592         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
 593 }
 594
 595 static void set_size(struct saa7134_dev *dev, int task,
 596                      int width, int height, int interlace)
 597 {
 598         int prescale,xscale,yscale,y_even,y_odd;
 599         int h_start, h_stop, v_start, v_stop;
 600         int div = interlace ? 2 : 1;
 601
 602         /* setup video scaler */
 603         h_start = dev->crop_current.left;
 604         v_start = dev->crop_current.top/2;
 605         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
 606         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
 607
 608         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
 609         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
 610         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
 611         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
 612         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
 613         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
 614         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
 615         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
 616
 617         prescale = dev->crop_current.width / width;
 618         if (0 == prescale)
 619                 prescale = 1;
 620         xscale = 1024 * dev->crop_current.width / prescale / width;
 621         yscale = 512 * div * dev->crop_current.height / height;
 622         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
 623         set_h_prescale(dev,task,prescale);
 624         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
 625         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
 626         set_v_scale(dev,task,yscale);
 627
 628         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
 629         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
 630         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
 631         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
 632
 633         /* deinterlace y offsets */
 634         y_odd  = dev->ctl_y_odd;
 635         y_even = dev->ctl_y_even;
 636         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
 637         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
 638         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
 639         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
 640 }
 641
 642 /* ------------------------------------------------------------------ */
 643
 644 struct cliplist {
 645         __u16 position;
 646         __u8  enable;
 647         __u8  disable;
 648 };
 649
 650 static void sort_cliplist(struct cliplist *cl, int entries)
 651 {
 652         struct cliplist swap;
 653         int i,j,n;
 654
 655         for (i = entries-2; i >= 0; i--) {
 656                 for (n = 0, j = 0; j <= i; j++) {
 657                         if (cl[j].position > cl[j+1].position) {
 658                                 swap = cl[j];
 659                                 cl[j] = cl[j+1];
 660                                 cl[j+1] = swap;
 661                                 n++;
 662                         }
 663                 }
 664                 if (0 == n)
 665                         break;
 666         }
 667 }
 668
 669 static void set_cliplist(struct saa7134_dev *dev, int reg,
 670                         struct cliplist *cl, int entries, char *name)
 671 {
 672         __u8 winbits = 0;
 673         int i;
 674
 675         for (i = 0; i < entries; i++) {
 676                 winbits |= cl[i].enable;
 677                 winbits &= ~cl[i].disable;
 678                 if (i < 15 && cl[i].position == cl[i+1].position)
 679                         continue;
 680                 saa_writeb(reg + 0, winbits);
 681                 saa_writeb(reg + 2, cl[i].position & 0xff);
 682                 saa_writeb(reg + 3, cl[i].position >> 8);
 683                 dprintk("clip: %s winbits=%02x pos=%d\n",
 684                         name,winbits,cl[i].position);
 685                 reg += 8;
 686         }
 687         for (; reg < 0x400; reg += 8) {
 688                 saa_writeb(reg+ 0, 0);
 689                 saa_writeb(reg + 1, 0);
 690                 saa_writeb(reg + 2, 0);
 691                 saa_writeb(reg + 3, 0);
 692         }
 693 }
 694
 695 static int clip_range(int val)
 696 {
 697         if (val < 0)
 698                 val = 0;
 699         return val;
 700 }
 701
 702 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
 703                           int nclips, int interlace)
 704 {
 705         struct cliplist col[16], row[16];
 706         int cols, rows, i;
 707         int div = interlace ? 2 : 1;
 708
 709         memset(col,0,sizeof(col)); cols = 0;
 710         memset(row,0,sizeof(row)); rows = 0;
 711         for (i = 0; i < nclips && i < 8; i++) {
 712                 col[cols].position = clip_range(clips[i].c.left);
 713                 col[cols].enable   = (1 << i);
 714                 cols++;
 715                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
 716                 col[cols].disable  = (1 << i);
 717                 cols++;
 718                 row[rows].position = clip_range(clips[i].c.top / div);
 719                 row[rows].enable   = (1 << i);
 720                 rows++;
 721                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
 722                                                 / div);
 723                 row[rows].disable  = (1 << i);
 724                 rows++;
 725         }
 726         sort_cliplist(col,cols);
 727         sort_cliplist(row,rows);
 728         set_cliplist(dev,0x380,col,cols,"cols");
 729         set_cliplist(dev,0x384,row,rows,"rows");
 730         return 0;
 731 }
 732
 733 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
 734 {
 735         enum v4l2_field field;
 736         int maxw, maxh;
 737
 738         if (NULL == dev->ovbuf.base)
 739                 return -EINVAL;
 740         if (NULL == dev->ovfmt)
 741                 return -EINVAL;
 742         if (win->w.width < 48 || win->w.height <  32)
 743                 return -EINVAL;
 744         if (win->clipcount > 2048)
 745                 return -EINVAL;
 746
 747         field = win->field;
 748         maxw  = dev->crop_current.width;
 749         maxh  = dev->crop_current.height;
 750
 751         if (V4L2_FIELD_ANY == field) {
 752                 field = (win->w.height > maxh/2)
 753                         ? V4L2_FIELD_INTERLACED
 754                         : V4L2_FIELD_TOP;
 755         }
 756         switch (field) {
 757         case V4L2_FIELD_TOP:
 758         case V4L2_FIELD_BOTTOM:
 759                 maxh = maxh / 2;
 760                 break;
 761         case V4L2_FIELD_INTERLACED:
 762                 break;
 763         default:
 764                 return -EINVAL;
 765         }
 766
 767         win->field = field;
 768         if (win->w.width > maxw)
 769                 win->w.width = maxw;
 770         if (win->w.height > maxh)
 771                 win->w.height = maxh;
 772         return 0;
 773 }
 774
 775 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 776 {
 777         unsigned long base,control,bpl;
 778         int err;
 779
 780         err = verify_preview(dev,&fh->win);
 781         if (0 != err)
 782                 return err;
 783
 784         dev->ovfield = fh->win.field;
 785         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
 786                 fh->win.w.width,fh->win.w.height,
 787                 fh->win.w.left,fh->win.w.top,
 788                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
 789
 790         /* setup window + clipping */
 791         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
 792                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
 793         setup_clipping(dev,fh->clips,fh->nclips,
 794                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
 795         if (dev->ovfmt->yuv)
 796                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
 797         else
 798                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
 799         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
 800
 801         /* dma: setup channel 1 (= Video Task B) */
 802         base  = (unsigned long)dev->ovbuf.base;
 803         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
 804         base += dev->ovfmt->depth/8         * fh->win.w.left;
 805         bpl   = dev->ovbuf.fmt.bytesperline;
 806         control = SAA7134_RS_CONTROL_BURST_16;
 807         if (dev->ovfmt->bswap)
 808                 control |= SAA7134_RS_CONTROL_BSWAP;
 809         if (dev->ovfmt->wswap)
 810                 control |= SAA7134_RS_CONTROL_WSWAP;
 811         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
 812                 saa_writel(SAA7134_RS_BA1(1),base);
 813                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
 814                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
 815                 saa_writel(SAA7134_RS_CONTROL(1),control);
 816         } else {
 817                 saa_writel(SAA7134_RS_BA1(1),base);
 818                 saa_writel(SAA7134_RS_BA2(1),base);
 819                 saa_writel(SAA7134_RS_PITCH(1),bpl);
 820                 saa_writel(SAA7134_RS_CONTROL(1),control);
 821         }
 822
 823         /* start dma */
 824         dev->ovenable = 1;
 825         saa7134_set_dmabits(dev);
 826
 827         return 0;
 828 }
 829
 830 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
 831 {
 832         dev->ovenable = 0;
 833         saa7134_set_dmabits(dev);
 834         return 0;
 835 }
 836
 837 /* ------------------------------------------------------------------ */
 838
 839 static int buffer_activate(struct saa7134_dev *dev,
 840                            struct saa7134_buf *buf,
 841                            struct saa7134_buf *next)
 842 {
 843         unsigned long base,control,bpl;
 844         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
 845
 846         dprintk("buffer_activate buf=%p\n",buf);
 847         buf->vb.state = STATE_ACTIVE;
 848         buf->top_seen = 0;
 849
 850         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
 851                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
 852         if (buf->fmt->yuv)
 853                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
 854         else
 855                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
 856         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
 857
 858         /* DMA: setup channel 0 (= Video Task A0) */
 859         base  = saa7134_buffer_base(buf);
 860         if (buf->fmt->planar)
 861                 bpl = buf->vb.width;
 862         else
 863                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
 864         control = SAA7134_RS_CONTROL_BURST_16 |
 865                 SAA7134_RS_CONTROL_ME |
 866                 (buf->pt->dma >> 12);
 867         if (buf->fmt->bswap)
 868                 control |= SAA7134_RS_CONTROL_BSWAP;
 869         if (buf->fmt->wswap)
 870                 control |= SAA7134_RS_CONTROL_WSWAP;
 871         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 872                 /* interlaced */
 873                 saa_writel(SAA7134_RS_BA1(0),base);
 874                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
 875                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
 876         } else {
 877                 /* non-interlaced */
 878                 saa_writel(SAA7134_RS_BA1(0),base);
 879                 saa_writel(SAA7134_RS_BA2(0),base);
 880                 saa_writel(SAA7134_RS_PITCH(0),bpl);
 881         }
 882         saa_writel(SAA7134_RS_CONTROL(0),control);
 883
 884         if (buf->fmt->planar) {
 885                 /* DMA: setup channel 4+5 (= planar task A) */
 886                 bpl_uv   = bpl >> buf->fmt->hshift;
 887                 lines_uv = buf->vb.height >> buf->fmt->vshift;
 888                 base2    = base + bpl * buf->vb.height;
 889                 base3    = base2 + bpl_uv * lines_uv;
 890                 if (buf->fmt->uvswap)
 891                         tmp = base2, base2 = base3, base3 = tmp;
 892                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
 893                         bpl_uv,lines_uv,base2,base3);
 894                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
 895                         /* interlaced */
 896                         saa_writel(SAA7134_RS_BA1(4),base2);
 897                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
 898                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
 899                         saa_writel(SAA7134_RS_BA1(5),base3);
 900                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
 901                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
 902                 } else {
 903                         /* non-interlaced */
 904                         saa_writel(SAA7134_RS_BA1(4),base2);
 905                         saa_writel(SAA7134_RS_BA2(4),base2);
 906                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
 907                         saa_writel(SAA7134_RS_BA1(5),base3);
 908                         saa_writel(SAA7134_RS_BA2(5),base3);
 909                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
 910                 }
 911                 saa_writel(SAA7134_RS_CONTROL(4),control);
 912                 saa_writel(SAA7134_RS_CONTROL(5),control);
 913         }
 914
 915         /* start DMA */
 916         saa7134_set_dmabits(dev);
 917         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
 918         return 0;
 919 }
 920
 921 static int buffer_prepare(struct videobuf_queue *q,
 922                           struct videobuf_buffer *vb,
 923                           enum v4l2_field field)
 924 {
 925         struct saa7134_fh *fh = q->priv_data;
 926         struct saa7134_dev *dev = fh->dev;
 927         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
 928         unsigned int size;
 929         int err;
 930
 931         /* sanity checks */
 932         if (NULL == fh->fmt)
 933                 return -EINVAL;
 934         if (fh->width    < 48 ||
 935             fh->height   < 32 ||
 936             fh->width/4  > dev->crop_current.width  ||
 937             fh->height/4 > dev->crop_current.height ||
 938             fh->width    > dev->crop_bounds.width  ||
 939             fh->height   > dev->crop_bounds.height)
 940                 return -EINVAL;
 941         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 942         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
 943                 return -EINVAL;
 944
 945         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
 946                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
 947                 fh->fmt->name);
 948         if (buf->vb.width  != fh->width  ||
 949             buf->vb.height != fh->height ||
 950             buf->vb.size   != size       ||
 951             buf->vb.field  != field      ||
 952             buf->fmt       != fh->fmt) {
 953                 saa7134_dma_free(dev,buf);
 954         }
 955
 956         if (STATE_NEEDS_INIT == buf->vb.state) {
 957                 buf->vb.width  = fh->width;
 958                 buf->vb.height = fh->height;
 959                 buf->vb.size   = size;
 960                 buf->vb.field  = field;
 961                 buf->fmt       = fh->fmt;
 962                 buf->pt        = &fh->pt_cap;
 963
 964                 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
 965                 if (err)
 966                         goto oops;
 967                 err = saa7134_pgtable_build(dev->pci,buf->pt,
 968                                             buf->vb.dma.sglist,
 969                                             buf->vb.dma.sglen,
 970                                             saa7134_buffer_startpage(buf));
 971                 if (err)
 972                         goto oops;
 973         }
 974         buf->vb.state = STATE_PREPARED;
 975         buf->activate = buffer_activate;
 976         return 0;
 977
 978  oops:
 979         saa7134_dma_free(dev,buf);
 980         return err;
 981 }
 982
 983 static int
 984 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 985 {
 986         struct saa7134_fh *fh = q->priv_data;
 987
 988         *size = fh->fmt->depth * fh->width * fh->height >> 3;
 989         if (0 == *count)
 990                 *count = gbuffers;
 991         *count = saa7134_buffer_count(*size,*count);
 992         return 0;
 993 }
 994
 995 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 996 {
 997         struct saa7134_fh *fh = q->priv_data;
 998         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
 999
1000         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1001 }
1002
1003 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1004 {
1005         struct saa7134_fh *fh = q->priv_data;
1006         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1007
1008         saa7134_dma_free(fh->dev,buf);
1009 }
1010
1011 static struct videobuf_queue_ops video_qops = {
1012         .buf_setup    = buffer_setup,
1013         .buf_prepare  = buffer_prepare,
1014         .buf_queue    = buffer_queue,
1015         .buf_release  = buffer_release,
1016 };
1017
1018 /* ------------------------------------------------------------------ */
1019
1020 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1021 {
1022         const struct v4l2_queryctrl* ctrl;
1023
1024         ctrl = ctrl_by_id(c->id);
1025         if (NULL == ctrl)
1026                 return -EINVAL;
1027         switch (c->id) {
1028         case V4L2_CID_BRIGHTNESS:
1029                 c->value = dev->ctl_bright;
1030                 break;
1031         case V4L2_CID_HUE:
1032                 c->value = dev->ctl_hue;
1033                 break;
1034         case V4L2_CID_CONTRAST:
1035                 c->value = dev->ctl_contrast;
1036                 break;
1037         case V4L2_CID_SATURATION:
1038                 c->value = dev->ctl_saturation;
1039                 break;
1040         case V4L2_CID_AUDIO_MUTE:
1041                 c->value = dev->ctl_mute;
1042                 break;
1043         case V4L2_CID_AUDIO_VOLUME:
1044                 c->value = dev->ctl_volume;
1045                 break;
1046         case V4L2_CID_PRIVATE_INVERT:
1047                 c->value = dev->ctl_invert;
1048                 break;
1049         case V4L2_CID_VFLIP:
1050                 c->value = dev->ctl_mirror;
1051                 break;
1052         case V4L2_CID_PRIVATE_Y_EVEN:
1053                 c->value = dev->ctl_y_even;
1054                 break;
1055         case V4L2_CID_PRIVATE_Y_ODD:
1056                 c->value = dev->ctl_y_odd;
1057                 break;
1058         case V4L2_CID_PRIVATE_AUTOMUTE:
1059                 c->value = dev->ctl_automute;
1060                 break;
1061         default:
1062                 return -EINVAL;
1063         }
1064         return 0;
1065 }
1066
1067 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1068                        struct v4l2_control *c)
1069 {
1070         const struct v4l2_queryctrl* ctrl;
1071         unsigned long flags;
1072         int restart_overlay = 0;
1073
1074         ctrl = ctrl_by_id(c->id);
1075         if (NULL == ctrl)
1076                 return -EINVAL;
1077         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1078         switch (ctrl->type) {
1079         case V4L2_CTRL_TYPE_BOOLEAN:
1080         case V4L2_CTRL_TYPE_MENU:
1081         case V4L2_CTRL_TYPE_INTEGER:
1082                 if (c->value < ctrl->minimum)
1083                         c->value = ctrl->minimum;
1084                 if (c->value > ctrl->maximum)
1085                         c->value = ctrl->maximum;
1086                 break;
1087         default:
1088                 /* nothing */;
1089         };
1090         switch (c->id) {
1091         case V4L2_CID_BRIGHTNESS:
1092                 dev->ctl_bright = c->value;
1093                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1094                 break;
1095         case V4L2_CID_HUE:
1096                 dev->ctl_hue = c->value;
1097                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1098                 break;
1099         case V4L2_CID_CONTRAST:
1100                 dev->ctl_contrast = c->value;
1101                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1102                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1103                 break;
1104         case V4L2_CID_SATURATION:
1105                 dev->ctl_saturation = c->value;
1106                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1107                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1108                 break;
1109         case V4L2_CID_AUDIO_MUTE:
1110                 dev->ctl_mute = c->value;
1111                 saa7134_tvaudio_setmute(dev);
1112                 break;
1113         case V4L2_CID_AUDIO_VOLUME:
1114                 dev->ctl_volume = c->value;
1115                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1116                 break;
1117         case V4L2_CID_PRIVATE_INVERT:
1118                 dev->ctl_invert = c->value;
1119                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1120                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1121                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1122                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1123                 break;
1124         case V4L2_CID_VFLIP:
1125                 dev->ctl_mirror = c->value;
1126                 restart_overlay = 1;
1127                 break;
1128         case V4L2_CID_PRIVATE_Y_EVEN:
1129                 dev->ctl_y_even = c->value;
1130                 restart_overlay = 1;
1131                 break;
1132         case V4L2_CID_PRIVATE_Y_ODD:
1133                 dev->ctl_y_odd = c->value;
1134                 restart_overlay = 1;
1135                 break;
1136         case V4L2_CID_PRIVATE_AUTOMUTE:
1137                 dev->ctl_automute = c->value;
1138                 if (dev->tda9887_conf) {
1139                         if (dev->ctl_automute)
1140                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1141                         else
1142                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1143                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1144                                                  &dev->tda9887_conf);
1145                 }
1146                 break;
1147         default:
1148                 return -EINVAL;
1149         }
1150         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1151                 spin_lock_irqsave(&dev->slock,flags);
1152                 stop_preview(dev,fh);
1153                 start_preview(dev,fh);
1154                 spin_unlock_irqrestore(&dev->slock,flags);
1155         }
1156         return 0;
1157 }
1158
1159 /* ------------------------------------------------------------------ */
1160
1161 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1162 {
1163         struct videobuf_queue* q = NULL;
1164
1165         switch (fh->type) {
1166         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1167                 q = &fh->cap;
1168                 break;
1169         case V4L2_BUF_TYPE_VBI_CAPTURE:
1170                 q = &fh->vbi;
1171                 break;
1172         default:
1173                 BUG();
1174         }
1175         return q;
1176 }
1177
1178 static int saa7134_resource(struct saa7134_fh *fh)
1179 {
1180         int res = 0;
1181
1182         switch (fh->type) {
1183         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1184                 res = RESOURCE_VIDEO;
1185                 break;
1186         case V4L2_BUF_TYPE_VBI_CAPTURE:
1187                 res = RESOURCE_VBI;
1188                 break;
1189         default:
1190                 BUG();
1191         }
1192         return res;
1193 }
1194
1195 static int video_open(struct inode *inode, struct file *file)
1196 {
1197         int minor = iminor(inode);
1198         struct saa7134_dev *h,*dev = NULL;
1199         struct saa7134_fh *fh;
1200         struct list_head *list;
1201         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1202         int radio = 0;
1203
1204         list_for_each(list,&saa7134_devlist) {
1205                 h = list_entry(list, struct saa7134_dev, devlist);
1206                 if (h->video_dev && (h->video_dev->minor == minor))
1207                         dev = h;
1208                 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1209                         radio = 1;
1210                         dev = h;
1211                 }
1212                 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1213                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1214                         dev = h;
1215                 }
1216         }
1217         if (NULL == dev)
1218                 return -ENODEV;
1219
1220         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1221                 v4l2_type_names[type]);
1222
1223         /* allocate + initialize per filehandle data */
1224         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1225         if (NULL == fh)
1226                 return -ENOMEM;
1227         memset(fh,0,sizeof(*fh));
1228         file->private_data = fh;
1229         fh->dev      = dev;
1230         fh->radio    = radio;
1231         fh->type     = type;
1232         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1233         fh->width    = 720;
1234         fh->height   = 576;
1235         v4l2_prio_open(&dev->prio,&fh->prio);
1236
1237         videobuf_queue_init(&fh->cap, &video_qops,
1238                             dev->pci, &dev->slock,
1239                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1240                             V4L2_FIELD_INTERLACED,
1241                             sizeof(struct saa7134_buf),
1242                             fh);
1243         videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1244                             dev->pci, &dev->slock,
1245                             V4L2_BUF_TYPE_VBI_CAPTURE,
1246                             V4L2_FIELD_SEQ_TB,
1247                             sizeof(struct saa7134_buf),
1248                             fh);
1249         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1250         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1251
1252         if (fh->radio) {
1253                 /* switch to radio mode */
1254                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1255                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL);
1256         } else {
1257                 /* switch to video/vbi mode */
1258                 video_mux(dev,dev->ctl_input);
1259         }
1260         return 0;
1261 }
1262
1263 static ssize_t
1264 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1265 {
1266         struct saa7134_fh *fh = file->private_data;
1267
1268         switch (fh->type) {
1269         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1270                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1271                         return -EBUSY;
1272                 return videobuf_read_one(saa7134_queue(fh),
1273                                          data, count, ppos,
1274                                          file->f_flags & O_NONBLOCK);
1275         case V4L2_BUF_TYPE_VBI_CAPTURE:
1276                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1277                         return -EBUSY;
1278                 return videobuf_read_stream(saa7134_queue(fh),
1279                                             data, count, ppos, 1,
1280                                             file->f_flags & O_NONBLOCK);
1281                 break;
1282         default:
1283                 BUG();
1284                 return 0;
1285         }
1286 }
1287
1288 static unsigned int
1289 video_poll(struct file *file, struct poll_table_struct *wait)
1290 {
1291         struct saa7134_fh *fh = file->private_data;
1292         struct videobuf_buffer *buf = NULL;
1293
1294         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1295                 return videobuf_poll_stream(file, &fh->vbi, wait);
1296
1297         if (res_check(fh,RESOURCE_VIDEO)) {
1298                 if (!list_empty(&fh->cap.stream))
1299                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1300         } else {
1301                 down(&fh->cap.lock);
1302                 if (UNSET == fh->cap.read_off) {
1303                         /* need to capture a new frame */
1304                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1305                                 up(&fh->cap.lock);
1306                                 return POLLERR;
1307                         }
1308                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1309                                 up(&fh->cap.lock);
1310                                 return POLLERR;
1311                         }
1312                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1313                         fh->cap.read_off = 0;
1314                 }
1315                 up(&fh->cap.lock);
1316                 buf = fh->cap.read_buf;
1317         }
1318
1319         if (!buf)
1320                 return POLLERR;
1321
1322         poll_wait(file, &buf->done, wait);
1323         if (buf->state == STATE_DONE ||
1324             buf->state == STATE_ERROR)
1325                 return POLLIN|POLLRDNORM;
1326         return 0;
1327 }
1328
1329 static int video_release(struct inode *inode, struct file *file)
1330 {
1331         struct saa7134_fh  *fh  = file->private_data;
1332         struct saa7134_dev *dev = fh->dev;
1333         unsigned long flags;
1334
1335         /* turn off overlay */
1336         if (res_check(fh, RESOURCE_OVERLAY)) {
1337                 spin_lock_irqsave(&dev->slock,flags);
1338                 stop_preview(dev,fh);
1339                 spin_unlock_irqrestore(&dev->slock,flags);
1340                 res_free(dev,fh,RESOURCE_OVERLAY);
1341         }
1342
1343         /* stop video capture */
1344         if (res_check(fh, RESOURCE_VIDEO)) {
1345                 videobuf_streamoff(&fh->cap);
1346                 res_free(dev,fh,RESOURCE_VIDEO);
1347         }
1348         if (fh->cap.read_buf) {
1349                 buffer_release(&fh->cap,fh->cap.read_buf);
1350                 kfree(fh->cap.read_buf);
1351         }
1352
1353         /* stop vbi capture */
1354         if (res_check(fh, RESOURCE_VBI)) {
1355                 if (fh->vbi.streaming)
1356                         videobuf_streamoff(&fh->vbi);
1357                 if (fh->vbi.reading)
1358                         videobuf_read_stop(&fh->vbi);
1359                 res_free(dev,fh,RESOURCE_VBI);
1360         }
1361
1362         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1363         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1364
1365         v4l2_prio_close(&dev->prio,&fh->prio);
1366         file->private_data = NULL;
1367         kfree(fh);
1368         return 0;
1369 }
1370
1371 static int
1372 video_mmap(struct file *file, struct vm_area_struct * vma)
1373 {
1374         struct saa7134_fh *fh = file->private_data;
1375
1376         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1377 }
1378
1379 /* ------------------------------------------------------------------ */
1380
1381 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1382 {
1383         struct saa7134_tvnorm *norm = dev->tvnorm;
1384
1385         f->fmt.vbi.sampling_rate = 6750000 * 4;
1386         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1387         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1388         f->fmt.vbi.offset = 64 * 4;
1389         f->fmt.vbi.start[0] = norm->vbi_v_start;
1390         f->fmt.vbi.count[0] = norm->vbi_v_stop - norm->vbi_v_start +1;
1391         f->fmt.vbi.start[1] = norm->video_v_stop + norm->vbi_v_start +1;
1392         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1393         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1394
1395 #if 0
1396         if (V4L2_STD_PAL == norm->id) {
1397                 /* FIXME */
1398                 f->fmt.vbi.start[0] += 3;
1399                 f->fmt.vbi.start[1] += 3*2;
1400         }
1401 #endif
1402 }
1403
1404 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1405                          struct v4l2_format *f)
1406 {
1407         switch (f->type) {
1408         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1409                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1410                 f->fmt.pix.width        = fh->width;
1411                 f->fmt.pix.height       = fh->height;
1412                 f->fmt.pix.field        = fh->cap.field;
1413                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1414                 f->fmt.pix.bytesperline =
1415                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1416                 f->fmt.pix.sizeimage =
1417                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1418                 return 0;
1419         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1420                 f->fmt.win = fh->win;
1421                 return 0;
1422         case V4L2_BUF_TYPE_VBI_CAPTURE:
1423                 saa7134_vbi_fmt(dev,f);
1424                 return 0;
1425         default:
1426                 return -EINVAL;
1427         }
1428 }
1429
1430 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1431                            struct v4l2_format *f)
1432 {
1433         int err;
1434
1435         switch (f->type) {
1436         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1437         {
1438                 struct saa7134_format *fmt;
1439                 enum v4l2_field field;
1440                 unsigned int maxw, maxh;
1441
1442                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1443                 if (NULL == fmt)
1444                         return -EINVAL;
1445
1446                 field = f->fmt.pix.field;
1447                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1448                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1449
1450                 if (V4L2_FIELD_ANY == field) {
1451                         field = (f->fmt.pix.height > maxh/2)
1452                                 ? V4L2_FIELD_INTERLACED
1453                                 : V4L2_FIELD_BOTTOM;
1454                 }
1455                 switch (field) {
1456                 case V4L2_FIELD_TOP:
1457                 case V4L2_FIELD_BOTTOM:
1458                         maxh = maxh / 2;
1459                         break;
1460                 case V4L2_FIELD_INTERLACED:
1461                         break;
1462                 default:
1463                         return -EINVAL;
1464                 }
1465
1466                 f->fmt.pix.field = field;
1467                 if (f->fmt.pix.width  < 48)
1468                         f->fmt.pix.width  = 48;
1469                 if (f->fmt.pix.height < 32)
1470                         f->fmt.pix.height = 32;
1471                 if (f->fmt.pix.width > maxw)
1472                         f->fmt.pix.width = maxw;
1473                 if (f->fmt.pix.height > maxh)
1474                         f->fmt.pix.height = maxh;
1475                 f->fmt.pix.bytesperline =
1476                         (f->fmt.pix.width * fmt->depth) >> 3;
1477                 f->fmt.pix.sizeimage =
1478                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1479
1480                 return 0;
1481         }
1482         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1483                 err = verify_preview(dev,&f->fmt.win);
1484                 if (0 != err)
1485                         return err;
1486                 return 0;
1487         case V4L2_BUF_TYPE_VBI_CAPTURE:
1488                 saa7134_vbi_fmt(dev,f);
1489                 return 0;
1490         default:
1491                 return -EINVAL;
1492         }
1493 }
1494
1495 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1496                          struct v4l2_format *f)
1497 {
1498         unsigned long flags;
1499         int err;
1500
1501         switch (f->type) {
1502         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1503                 err = saa7134_try_fmt(dev,fh,f);
1504                 if (0 != err)
1505                         return err;
1506
1507                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1508                 fh->width     = f->fmt.pix.width;
1509                 fh->height    = f->fmt.pix.height;
1510                 fh->cap.field = f->fmt.pix.field;
1511                 return 0;
1512         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1513                 err = verify_preview(dev,&f->fmt.win);
1514                 if (0 != err)
1515                         return err;
1516
1517                 down(&dev->lock);
1518                 fh->win    = f->fmt.win;
1519                 fh->nclips = f->fmt.win.clipcount;
1520                 if (fh->nclips > 8)
1521                         fh->nclips = 8;
1522                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1523                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1524                         up(&dev->lock);
1525                         return -EFAULT;
1526                 }
1527
1528                 if (res_check(fh, RESOURCE_OVERLAY)) {
1529                         spin_lock_irqsave(&dev->slock,flags);
1530                         stop_preview(dev,fh);
1531                         start_preview(dev,fh);
1532                         spin_unlock_irqrestore(&dev->slock,flags);
1533                 }
1534                 up(&dev->lock);
1535                 return 0;
1536         case V4L2_BUF_TYPE_VBI_CAPTURE:
1537                 saa7134_vbi_fmt(dev,f);
1538                 return 0;
1539         default:
1540                 return -EINVAL;
1541         }
1542 }
1543
1544 int saa7134_common_ioctl(struct saa7134_dev *dev,
1545                          unsigned int cmd, void *arg)
1546 {
1547         int err;
1548
1549         switch (cmd) {
1550         case VIDIOC_QUERYCTRL:
1551         {
1552                 const struct v4l2_queryctrl *ctrl;
1553                 struct v4l2_queryctrl *c = arg;
1554
1555                 if ((c->id <  V4L2_CID_BASE ||
1556                      c->id >= V4L2_CID_LASTP1) &&
1557                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1558                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1559                         return -EINVAL;
1560                 ctrl = ctrl_by_id(c->id);
1561                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1562                 return 0;
1563         }
1564         case VIDIOC_G_CTRL:
1565                 return get_control(dev,arg);
1566         case VIDIOC_S_CTRL:
1567         {
1568                 down(&dev->lock);
1569                 err = set_control(dev,NULL,arg);
1570                 up(&dev->lock);
1571                 return err;
1572         }
1573         /* --- input switching --------------------------------------- */
1574         case VIDIOC_ENUMINPUT:
1575         {
1576                 struct v4l2_input *i = arg;
1577                 unsigned int n;
1578
1579                 n = i->index;
1580                 if (n >= SAA7134_INPUT_MAX)
1581                         return -EINVAL;
1582                 if (NULL == card_in(dev,i->index).name)
1583                         return -EINVAL;
1584                 memset(i,0,sizeof(*i));
1585                 i->index = n;
1586                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1587                 strcpy(i->name,card_in(dev,n).name);
1588                 if (card_in(dev,n).tv)
1589                         i->type = V4L2_INPUT_TYPE_TUNER;
1590                 i->audioset = 1;
1591                 if (n == dev->ctl_input) {
1592                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1593                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1594
1595                         if (0 != (v1 & 0x40))
1596                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1597                         if (0 != (v2 & 0x40))
1598                                 i->status |= V4L2_IN_ST_NO_SYNC;
1599                         if (0 != (v2 & 0x0e))
1600                                 i->status |= V4L2_IN_ST_MACROVISION;
1601                 }
1602                 for (n = 0; n < TVNORMS; n++)
1603                         i->std |= tvnorms[n].id;
1604                 return 0;
1605         }
1606         case VIDIOC_G_INPUT:
1607         {
1608                 int *i = arg;
1609                 *i = dev->ctl_input;
1610                 return 0;
1611         }
1612         case VIDIOC_S_INPUT:
1613         {
1614                 int *i = arg;
1615
1616                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1617                         return -EINVAL;
1618                 if (NULL == card_in(dev,*i).name)
1619                         return -EINVAL;
1620                 down(&dev->lock);
1621                 video_mux(dev,*i);
1622                 up(&dev->lock);
1623                 return 0;
1624         }
1625
1626         }
1627         return 0;
1628 }
1629 EXPORT_SYMBOL(saa7134_common_ioctl);
1630
1631 /*
1632  * This function is _not_ called directly, but from
1633  * video_generic_ioctl (and maybe others).  userspace
1634  * copying is done already, arg is a kernel pointer.
1635  */
1636 static int video_do_ioctl(struct inode *inode, struct file *file,
1637                           unsigned int cmd, void *arg)
1638 {
1639         struct saa7134_fh *fh = file->private_data;
1640         struct saa7134_dev *dev = fh->dev;
1641         unsigned long flags;
1642         int err;
1643
1644         if (video_debug > 1)
1645                 saa7134_print_ioctl(dev->name,cmd);
1646
1647         switch (cmd) {
1648         case VIDIOC_S_CTRL:
1649         case VIDIOC_S_STD:
1650         case VIDIOC_S_INPUT:
1651         case VIDIOC_S_TUNER:
1652         case VIDIOC_S_FREQUENCY:
1653                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1654                 if (0 != err)
1655                         return err;
1656         }
1657
1658         switch (cmd) {
1659         case VIDIOC_QUERYCAP:
1660         {
1661                 struct v4l2_capability *cap = arg;
1662
1663                 memset(cap,0,sizeof(*cap));
1664                 strcpy(cap->driver, "saa7134");
1665                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1666                         sizeof(cap->card));
1667                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1668                 cap->version = SAA7134_VERSION_CODE;
1669                 cap->capabilities =
1670                         V4L2_CAP_VIDEO_CAPTURE |
1671                         V4L2_CAP_VIDEO_OVERLAY |
1672                         V4L2_CAP_VBI_CAPTURE |
1673                         V4L2_CAP_TUNER |
1674                         V4L2_CAP_READWRITE |
1675                         V4L2_CAP_STREAMING;
1676                 return 0;
1677         }
1678
1679         /* --- tv standards ------------------------------------------ */
1680         case VIDIOC_ENUMSTD:
1681         {
1682                 struct v4l2_standard *e = arg;
1683                 unsigned int i;
1684
1685                 i = e->index;
1686                 if (i >= TVNORMS)
1687                         return -EINVAL;
1688                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1689                                                tvnorms[e->index].name);
1690                 e->index = i;
1691                 if (err < 0)
1692                         return err;
1693                 return 0;
1694         }
1695         case VIDIOC_G_STD:
1696         {
1697                 v4l2_std_id *id = arg;
1698
1699                 *id = dev->tvnorm->id;
1700                 return 0;
1701         }
1702         case VIDIOC_S_STD:
1703         {
1704                 v4l2_std_id *id = arg;
1705                 unsigned int i;
1706
1707                 for (i = 0; i < TVNORMS; i++)
1708                         if (*id == tvnorms[i].id)
1709                                 break;
1710                 if (i == TVNORMS)
1711                         for (i = 0; i < TVNORMS; i++)
1712                                 if (*id & tvnorms[i].id)
1713                                         break;
1714                 if (i == TVNORMS)
1715                         return -EINVAL;
1716
1717                 down(&dev->lock);
1718                 if (res_check(fh, RESOURCE_OVERLAY)) {
1719                         spin_lock_irqsave(&dev->slock,flags);
1720                         stop_preview(dev,fh);
1721                         set_tvnorm(dev,&tvnorms[i]);
1722                         start_preview(dev,fh);
1723                         spin_unlock_irqrestore(&dev->slock,flags);
1724                 } else
1725                         set_tvnorm(dev,&tvnorms[i]);
1726                 saa7134_tvaudio_do_scan(dev);
1727                 up(&dev->lock);
1728                 return 0;
1729         }
1730
1731         case VIDIOC_CROPCAP:
1732         {
1733                 struct v4l2_cropcap *cap = arg;
1734
1735                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1736                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1737                         return -EINVAL;
1738                 cap->bounds  = dev->crop_bounds;
1739                 cap->defrect = dev->crop_defrect;
1740                 cap->pixelaspect.numerator   = 1;
1741                 cap->pixelaspect.denominator = 1;
1742                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1743                         cap->pixelaspect.numerator   = 11;
1744                         cap->pixelaspect.denominator = 10;
1745                 }
1746                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1747                         cap->pixelaspect.numerator   = 54;
1748                         cap->pixelaspect.denominator = 59;
1749                 }
1750                 return 0;
1751         }
1752
1753         case VIDIOC_G_CROP:
1754         {
1755                 struct v4l2_crop * crop = arg;
1756
1757                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1758                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1759                         return -EINVAL;
1760                 crop->c = dev->crop_current;
1761                 return 0;
1762         }
1763         case VIDIOC_S_CROP:
1764         {
1765                 struct v4l2_crop *crop = arg;
1766                 struct v4l2_rect *b = &dev->crop_bounds;
1767
1768                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1769                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1770                         return -EINVAL;
1771                 if (crop->c.height < 0)
1772                         return -EINVAL;
1773                 if (crop->c.width < 0)
1774                         return -EINVAL;
1775
1776                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1777                         return -EBUSY;
1778                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1779                         return -EBUSY;
1780
1781                 if (crop->c.top < b->top)
1782                         crop->c.top = b->top;
1783                 if (crop->c.top > b->top + b->height)
1784                         crop->c.top = b->top + b->height;
1785                 if (crop->c.height > b->top - crop->c.top + b->height)
1786                         crop->c.height = b->top - crop->c.top + b->height;
1787
1788                 if (crop->c.left < b->left)
1789                         crop->c.top = b->left;
1790                 if (crop->c.left > b->left + b->width)
1791                         crop->c.top = b->left + b->width;
1792                 if (crop->c.width > b->left - crop->c.left + b->width)
1793                         crop->c.width = b->left - crop->c.left + b->width;
1794
1795                 dev->crop_current = crop->c;
1796                 return 0;
1797         }
1798
1799         /* --- tuner ioctls ------------------------------------------ */
1800         case VIDIOC_G_TUNER:
1801         {
1802                 struct v4l2_tuner *t = arg;
1803                 int n;
1804
1805                 if (0 != t->index)
1806                         return -EINVAL;
1807                 memset(t,0,sizeof(*t));
1808                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1809                         if (card_in(dev,n).tv)
1810                                 break;
1811                 if (NULL != card_in(dev,n).name) {
1812                         strcpy(t->name, "Television");
1813                         t->capability = V4L2_TUNER_CAP_NORM |
1814                                 V4L2_TUNER_CAP_STEREO |
1815                                 V4L2_TUNER_CAP_LANG1 |
1816                                 V4L2_TUNER_CAP_LANG2;
1817                         t->rangehigh = 0xffffffffUL;
1818                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1819                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1820                 }
1821                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1822                         t->signal = 0xffff;
1823                 return 0;
1824         }
1825         case VIDIOC_S_TUNER:
1826         {
1827                 struct v4l2_tuner *t = arg;
1828                 int rx,mode;
1829
1830                 mode = dev->thread.mode;
1831                 if (UNSET == mode) {
1832                         rx   = saa7134_tvaudio_getstereo(dev);
1833                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1834                 }
1835                 if (mode != t->audmode) {
1836                         dev->thread.mode = t->audmode;
1837                 }
1838                 return 0;
1839         }
1840         case VIDIOC_G_FREQUENCY:
1841         {
1842                 struct v4l2_frequency *f = arg;
1843
1844                 memset(f,0,sizeof(*f));
1845                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1846                 f->frequency = dev->ctl_freq;
1847                 return 0;
1848         }
1849         case VIDIOC_S_FREQUENCY:
1850         {
1851                 struct v4l2_frequency *f = arg;
1852
1853                 if (0 != f->tuner)
1854                         return -EINVAL;
1855                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1856                         return -EINVAL;
1857                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1858                         return -EINVAL;
1859                 down(&dev->lock);
1860                 dev->ctl_freq = f->frequency;
1861 #ifdef V4L2_I2C_CLIENTS
1862                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1863 #else
1864                 saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq);
1865 #endif
1866                 saa7134_tvaudio_do_scan(dev);
1867                 up(&dev->lock);
1868                 return 0;
1869         }
1870
1871         /* --- control ioctls ---------------------------------------- */
1872         case VIDIOC_ENUMINPUT:
1873         case VIDIOC_G_INPUT:
1874         case VIDIOC_S_INPUT:
1875         case VIDIOC_QUERYCTRL:
1876         case VIDIOC_G_CTRL:
1877         case VIDIOC_S_CTRL:
1878                 return saa7134_common_ioctl(dev, cmd, arg);
1879
1880         case VIDIOC_G_AUDIO:
1881         {
1882                 struct v4l2_audio *a = arg;
1883
1884                 memset(a,0,sizeof(*a));
1885                 strcpy(a->name,"audio");
1886                 return 0;
1887         }
1888         case VIDIOC_S_AUDIO:
1889                 return 0;
1890         case VIDIOC_G_PARM:
1891         {
1892                 struct v4l2_captureparm *parm = arg;
1893                 memset(parm,0,sizeof(*parm));
1894                 return 0;
1895         }
1896
1897         case VIDIOC_G_PRIORITY:
1898         {
1899                 enum v4l2_priority *p = arg;
1900
1901                 *p = v4l2_prio_max(&dev->prio);
1902                 return 0;
1903         }
1904         case VIDIOC_S_PRIORITY:
1905         {
1906                 enum v4l2_priority *prio = arg;
1907
1908                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1909         }
1910
1911         /* --- preview ioctls ---------------------------------------- */
1912         case VIDIOC_ENUM_FMT:
1913         {
1914                 struct v4l2_fmtdesc *f = arg;
1915                 enum v4l2_buf_type type;
1916                 unsigned int index;
1917
1918                 index = f->index;
1919                 type  = f->type;
1920                 switch (type) {
1921                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1922                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1923                         if (index >= FORMATS)
1924                                 return -EINVAL;
1925                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1926                             formats[index].planar)
1927                                 return -EINVAL;
1928                         memset(f,0,sizeof(*f));
1929                         f->index = index;
1930                         f->type  = type;
1931                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1932                         f->pixelformat = formats[index].fourcc;
1933                         break;
1934                 case V4L2_BUF_TYPE_VBI_CAPTURE:
1935                         if (0 != index)
1936                                 return -EINVAL;
1937                         memset(f,0,sizeof(*f));
1938                         f->index = index;
1939                         f->type  = type;
1940                         f->pixelformat = V4L2_PIX_FMT_GREY;
1941                         strcpy(f->description,"vbi data");
1942                         break;
1943                 default:
1944                         return -EINVAL;
1945                 }
1946                 return 0;
1947         }
1948         case VIDIOC_G_FBUF:
1949         {
1950                 struct v4l2_framebuffer *fb = arg;
1951
1952                 *fb = dev->ovbuf;
1953                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1954                 return 0;
1955         }
1956         case VIDIOC_S_FBUF:
1957         {
1958                 struct v4l2_framebuffer *fb = arg;
1959                 struct saa7134_format *fmt;
1960
1961                 if(!capable(CAP_SYS_ADMIN) &&
1962                    !capable(CAP_SYS_RAWIO))
1963                         return -EPERM;
1964
1965                 /* check args */
1966                 fmt = format_by_fourcc(fb->fmt.pixelformat);
1967                 if (NULL == fmt)
1968                         return -EINVAL;
1969
1970                 /* ok, accept it */
1971                 dev->ovbuf = *fb;
1972                 dev->ovfmt = fmt;
1973                 if (0 == dev->ovbuf.fmt.bytesperline)
1974                         dev->ovbuf.fmt.bytesperline =
1975                                 dev->ovbuf.fmt.width*fmt->depth/8;
1976                 return 0;
1977         }
1978         case VIDIOC_OVERLAY:
1979         {
1980                 int *on = arg;
1981
1982                 if (*on) {
1983                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
1984                                 return -EBUSY;
1985                         spin_lock_irqsave(&dev->slock,flags);
1986                         start_preview(dev,fh);
1987                         spin_unlock_irqrestore(&dev->slock,flags);
1988                 }
1989                 if (!*on) {
1990                         if (!res_check(fh, RESOURCE_OVERLAY))
1991                                 return -EINVAL;
1992                         spin_lock_irqsave(&dev->slock,flags);
1993                         stop_preview(dev,fh);
1994                         spin_unlock_irqrestore(&dev->slock,flags);
1995                         res_free(dev,fh,RESOURCE_OVERLAY);
1996                 }
1997                 return 0;
1998         }
1999
2000         /* --- capture ioctls ---------------------------------------- */
2001         case VIDIOC_G_FMT:
2002         {
2003                 struct v4l2_format *f = arg;
2004                 return saa7134_g_fmt(dev,fh,f);
2005         }
2006         case VIDIOC_S_FMT:
2007         {
2008                 struct v4l2_format *f = arg;
2009                 return saa7134_s_fmt(dev,fh,f);
2010         }
2011         case VIDIOC_TRY_FMT:
2012         {
2013                 struct v4l2_format *f = arg;
2014                 return saa7134_try_fmt(dev,fh,f);
2015         }
2016
2017         case VIDIOCGMBUF:
2018         {
2019                 struct video_mbuf *mbuf = arg;
2020                 struct videobuf_queue *q;
2021                 struct v4l2_requestbuffers req;
2022                 unsigned int i;
2023
2024                 q = saa7134_queue(fh);
2025                 memset(&req,0,sizeof(req));
2026                 req.type   = q->type;
2027                 req.count  = gbuffers;
2028                 req.memory = V4L2_MEMORY_MMAP;
2029                 err = videobuf_reqbufs(q,&req);
2030                 if (err < 0)
2031                         return err;
2032                 memset(mbuf,0,sizeof(*mbuf));
2033                 mbuf->frames = req.count;
2034                 mbuf->size   = 0;
2035                 for (i = 0; i < mbuf->frames; i++) {
2036                         mbuf->offsets[i]  = q->bufs[i]->boff;
2037                         mbuf->size       += q->bufs[i]->bsize;
2038                 }
2039                 return 0;
2040         }
2041         case VIDIOC_REQBUFS:
2042                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2043
2044         case VIDIOC_QUERYBUF:
2045                 return videobuf_querybuf(saa7134_queue(fh),arg);
2046
2047         case VIDIOC_QBUF:
2048                 return videobuf_qbuf(saa7134_queue(fh),arg);
2049
2050         case VIDIOC_DQBUF:
2051                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2052                                       file->f_flags & O_NONBLOCK);
2053
2054         case VIDIOC_STREAMON:
2055         {
2056                 int res = saa7134_resource(fh);
2057
2058                 if (!res_get(dev,fh,res))
2059                         return -EBUSY;
2060                 return videobuf_streamon(saa7134_queue(fh));
2061         }
2062         case VIDIOC_STREAMOFF:
2063         {
2064                 int res = saa7134_resource(fh);
2065
2066                 err = videobuf_streamoff(saa7134_queue(fh));
2067                 if (err < 0)
2068                         return err;
2069                 res_free(dev,fh,res);
2070                 return 0;
2071         }
2072
2073         default:
2074                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2075                                                   video_do_ioctl);
2076         }
2077         return 0;
2078 }
2079
2080 static int video_ioctl(struct inode *inode, struct file *file,
2081                        unsigned int cmd, unsigned long arg)
2082 {
2083         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2084 }
2085
2086 static int radio_do_ioctl(struct inode *inode, struct file *file,
2087                           unsigned int cmd, void *arg)
2088 {
2089         struct saa7134_fh *fh = file->private_data;
2090         struct saa7134_dev *dev = fh->dev;
2091
2092         if (video_debug > 1)
2093                 saa7134_print_ioctl(dev->name,cmd);
2094         switch (cmd) {
2095         case VIDIOC_QUERYCAP:
2096         {
2097                 struct v4l2_capability *cap = arg;
2098
2099                 memset(cap,0,sizeof(*cap));
2100                 strcpy(cap->driver, "saa7134");
2101                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2102                         sizeof(cap->card));
2103                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2104                 cap->version = SAA7134_VERSION_CODE;
2105                 cap->capabilities = V4L2_CAP_TUNER;
2106                 return 0;
2107         }
2108         case VIDIOC_G_TUNER:
2109         {
2110                 struct v4l2_tuner *t = arg;
2111
2112                 if (0 != t->index)
2113                         return -EINVAL;
2114
2115                 memset(t,0,sizeof(*t));
2116                 strcpy(t->name, "Radio");
2117                 t->rangelow  = (int)(65*16);
2118                 t->rangehigh = (int)(108*16);
2119
2120 #ifdef V4L2_I2C_CLIENTS
2121                 saa7134_i2c_call_clients(dev,VIDIOC_G_TUNER,t);
2122 #else
2123                 {
2124                         struct video_tuner vt;
2125                         memset(&vt,0,sizeof(vt));
2126                         saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt);
2127                         t->signal = vt.signal;
2128                 }
2129 #endif
2130                 return 0;
2131         }
2132         case VIDIOC_ENUMINPUT:
2133         {
2134                 struct v4l2_input *i = arg;
2135
2136                 if (i->index != 0)
2137                         return -EINVAL;
2138                 strcpy(i->name,"Radio");
2139                 i->type = V4L2_INPUT_TYPE_TUNER;
2140                 return 0;
2141         }
2142         case VIDIOC_G_INPUT:
2143         {
2144                 int *i = arg;
2145                 *i = 0;
2146                 return 0;
2147         }
2148         case VIDIOC_G_AUDIO:
2149         {
2150                 struct v4l2_audio *a = arg;
2151
2152                 memset(a,0,sizeof(*a));
2153                 strcpy(a->name,"Radio");
2154                 return 0;
2155         }
2156         case VIDIOC_G_STD:
2157         {
2158                 v4l2_std_id *id = arg;
2159                 *id = 0;
2160                 return 0;
2161         }
2162         case VIDIOC_S_AUDIO:
2163         case VIDIOC_S_TUNER:
2164         case VIDIOC_S_INPUT:
2165         case VIDIOC_S_STD:
2166                 return 0;
2167
2168         case VIDIOC_QUERYCTRL:
2169         {
2170                 const struct v4l2_queryctrl *ctrl;
2171                 struct v4l2_queryctrl *c = arg;
2172
2173                 if (c->id <  V4L2_CID_BASE ||
2174                     c->id >= V4L2_CID_LASTP1)
2175                         return -EINVAL;
2176                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2177                         ctrl = ctrl_by_id(c->id);
2178                         *c = *ctrl;
2179                 } else
2180                         *c = no_ctrl;
2181                 return 0;
2182         }
2183
2184         case VIDIOC_G_CTRL:
2185         case VIDIOC_S_CTRL:
2186         case VIDIOC_G_FREQUENCY:
2187         case VIDIOC_S_FREQUENCY:
2188                 return video_do_ioctl(inode,file,cmd,arg);
2189
2190         default:
2191                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2192                                                   radio_do_ioctl);
2193         }
2194         return 0;
2195 }
2196
2197 static int radio_ioctl(struct inode *inode, struct file *file,
2198                        unsigned int cmd, unsigned long arg)
2199 {
2200         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2201 }
2202
2203 static struct file_operations video_fops =
2204 {
2205         .owner    = THIS_MODULE,
2206         .open     = video_open,
2207         .release  = video_release,
2208         .read     = video_read,
2209         .poll     = video_poll,
2210         .mmap     = video_mmap,
2211         .ioctl    = video_ioctl,
2212         .llseek   = no_llseek,
2213 };
2214
2215 static struct file_operations radio_fops =
2216 {
2217         .owner    = THIS_MODULE,
2218         .open     = video_open,
2219         .release  = video_release,
2220         .ioctl    = radio_ioctl,
2221         .llseek   = no_llseek,
2222 };
2223
2224 /* ----------------------------------------------------------- */
2225 /* exported stuff                                              */
2226
2227 struct video_device saa7134_video_template =
2228 {
2229         .name          = "saa7134-video",
2230         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2231                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2232         .hardware      = 0,
2233         .fops          = &video_fops,
2234         .minor         = -1,
2235 };
2236
2237 struct video_device saa7134_vbi_template =
2238 {
2239         .name          = "saa7134-vbi",
2240         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2241         .hardware      = 0,
2242         .fops          = &video_fops,
2243         .minor         = -1,
2244 };
2245
2246 struct video_device saa7134_radio_template =
2247 {
2248         .name          = "saa7134-radio",
2249         .type          = VID_TYPE_TUNER,
2250         .hardware      = 0,
2251         .fops          = &radio_fops,
2252         .minor         = -1,
2253 };
2254
2255 int saa7134_video_init1(struct saa7134_dev *dev)
2256 {
2257         /* sanitycheck insmod options */
2258         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2259                 gbuffers = 2;
2260         if (gbufsize < 0 || gbufsize > gbufsize_max)
2261                 gbufsize = gbufsize_max;
2262         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2263
2264         /* put some sensible defaults into the data structures ... */
2265         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2266         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2267         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2268         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2269         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2270         dev->ctl_mute       = ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2271         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2272         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2273
2274         if (dev->tda9887_conf && dev->ctl_automute)
2275                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2276         dev->automute       = 0;
2277
2278         INIT_LIST_HEAD(&dev->video_q.queue);
2279         init_timer(&dev->video_q.timeout);
2280         dev->video_q.timeout.function = saa7134_buffer_timeout;
2281         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2282         dev->video_q.dev              = dev;
2283
2284         if (saa7134_boards[dev->board].video_out) {
2285                 /* enable video output */
2286                 int vo = saa7134_boards[dev->board].video_out;
2287                 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2288                 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
2289                 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2290                 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2291                 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2292                 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
2293                 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
2294                 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2295                 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2296         }
2297
2298         return 0;
2299 }
2300
2301 int saa7134_video_init2(struct saa7134_dev *dev)
2302 {
2303         /* init video hw */
2304         set_tvnorm(dev,&tvnorms[0]);
2305         video_mux(dev,0);
2306         saa7134_tvaudio_setmute(dev);
2307         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2308         return 0;
2309 }
2310
2311 int saa7134_video_fini(struct saa7134_dev *dev)
2312 {
2313         /* nothing */
2314         return 0;
2315 }
2316
2317 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2318 {
2319         static const char *st[] = {
2320                 "no signal", "found NTSC", "found PAL", "found SECAM" };
2321         int norm;
2322
2323         norm = saa_readb(SAA7134_STATUS_VIDEO1) & 0x03;
2324         dprintk("DCSDT: %s\n",st[norm]);
2325
2326         if (0 != norm) {
2327                 /* wake up tvaudio audio carrier scan thread */
2328                 saa7134_tvaudio_do_scan(dev);
2329                 if (!noninterlaced)
2330                         saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2331         } else {
2332                 /* no video signal -> mute audio */
2333                 if (dev->ctl_automute)
2334                         dev->automute = 1;
2335                 saa7134_tvaudio_setmute(dev);
2336                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2337         }
2338 }
2339
2340 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2341 {
2342         enum v4l2_field field;
2343
2344         spin_lock(&dev->slock);
2345         if (dev->video_q.curr) {
2346                 dev->video_fieldcount++;
2347                 field = dev->video_q.curr->vb.field;
2348                 if (V4L2_FIELD_HAS_BOTH(field)) {
2349                         /* make sure we have seen both fields */
2350                         if ((status & 0x10) == 0x00) {
2351                                 dev->video_q.curr->top_seen = 1;
2352                                 goto done;
2353                         }
2354                         if (!dev->video_q.curr->top_seen)
2355                                 goto done;
2356                 } else if (field == V4L2_FIELD_TOP) {
2357                         if ((status & 0x10) != 0x10)
2358                                 goto done;
2359                 } else if (field == V4L2_FIELD_BOTTOM) {
2360                         if ((status & 0x10) != 0x00)
2361                                 goto done;
2362                 }
2363                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2364                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2365         }
2366         saa7134_buffer_next(dev,&dev->video_q);
2367
2368  done:
2369         spin_unlock(&dev->slock);
2370 }
2371
2372 /* ----------------------------------------------------------- */
2373 /*
2374  * Local variables:
2375  * c-basic-offset: 8
2376  * End:
2377  */