drivers/media/video/cx88/cx88-video.c

   1 /*
   2  * device driver for Conexant 2388x based TV cards
   3  * video4linux video interface
   4  *
   5  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/list.h>
  24 #include <linux/module.h>
  25 #include <linux/kmod.h>
  26 #include <linux/kernel.h>
  27 #include <linux/slab.h>
  28 #include <linux/interrupt.h>
  29 #include <asm/div64.h>
  30
  31 #include "cx88.h"
  32
  33 #define V4L2_I2C_CLIENTS 1
  34
  35 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  36 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  37 MODULE_LICENSE("GPL");
  38
  39 /* ------------------------------------------------------------------ */
  40
  41 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  42 MODULE_PARM(video_nr,"1-" __stringify(CX88_MAXBOARDS) "i");
  43 MODULE_PARM_DESC(video_nr,"video device numbers");
  44
  45 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  46 MODULE_PARM(vbi_nr,"1-" __stringify(CX88_MAXBOARDS) "i");
  47 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  48
  49 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  50 MODULE_PARM(radio_nr,"1-" __stringify(CX88_MAXBOARDS) "i");
  51 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  52
  53 static unsigned int latency = UNSET;
  54 MODULE_PARM(latency,"i");
  55 MODULE_PARM_DESC(latency,"pci latency timer");
  56
  57 static unsigned int video_debug = 0;
  58 MODULE_PARM(video_debug,"i");
  59 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  60
  61 static unsigned int irq_debug = 0;
  62 MODULE_PARM(irq_debug,"i");
  63 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  64
  65 static unsigned int vid_limit = 16;
  66 MODULE_PARM(vid_limit,"i");
  67 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  68
  69 static unsigned int tuner[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  70 MODULE_PARM(tuner,"1-" __stringify(CX88_MAXBOARDS) "i");
  71 MODULE_PARM_DESC(tuner,"tuner type");
  72
  73 static unsigned int card[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  74 MODULE_PARM(card,"1-" __stringify(CX88_MAXBOARDS) "i");
  75 MODULE_PARM_DESC(card,"card type");
  76
  77 static unsigned int nicam = 0;
  78 MODULE_PARM(nicam,"i");
  79 MODULE_PARM_DESC(nicam,"tv audio is nicam");
  80
  81 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  82         printk(KERN_DEBUG "%s: " fmt, dev->name , ## arg)
  83
  84 /* ------------------------------------------------------------------ */
  85
  86 static struct list_head  cx8800_devlist;
  87 static unsigned int      cx8800_devcount;
  88
  89 /* ------------------------------------------------------------------- */
  90 /* static data                                                         */
  91
  92 static unsigned int inline norm_swidth(struct cx8800_tvnorm *norm)
  93 {
  94         return (norm->id & V4L2_STD_625_50) ? 922 : 754;
  95 }
  96
  97 static unsigned int inline norm_hdelay(struct cx8800_tvnorm *norm)
  98 {
  99         return (norm->id & V4L2_STD_625_50) ? 186 : 135;
 100 }
 101
 102 static unsigned int inline norm_vdelay(struct cx8800_tvnorm *norm)
 103 {
 104         return (norm->id & V4L2_STD_625_50) ? 0x24 : 0x18;
 105 }
 106
 107 static unsigned int inline norm_maxw(struct cx8800_tvnorm *norm)
 108 {
 109         return (norm->id & V4L2_STD_625_50) ? 768 : 640;
 110 //      return (norm->id & V4L2_STD_625_50) ? 720 : 640;
 111 }
 112
 113 static unsigned int inline norm_maxh(struct cx8800_tvnorm *norm)
 114 {
 115         return (norm->id & V4L2_STD_625_50) ? 576 : 480;
 116 }
 117
 118 static unsigned int inline norm_fsc8(struct cx8800_tvnorm *norm)
 119 {
 120         static const unsigned int ntsc = 28636360;
 121         static const unsigned int pal  = 35468950;
 122
 123         return (norm->id & V4L2_STD_625_50) ? pal : ntsc;
 124 }
 125
 126 static unsigned int inline norm_notchfilter(struct cx8800_tvnorm *norm)
 127 {
 128         return (norm->id & V4L2_STD_625_50)
 129                 ? HLNotchFilter135PAL
 130                 : HLNotchFilter135NTSC;
 131 }
 132
 133 static unsigned int inline norm_htotal(struct cx8800_tvnorm *norm)
 134 {
 135         return (norm->id & V4L2_STD_625_50) ? 1135 : 910;
 136 }
 137
 138 static unsigned int inline norm_vbipack(struct cx8800_tvnorm *norm)
 139 {
 140         return (norm->id & V4L2_STD_625_50) ? 511 : 288;
 141 }
 142
 143 static struct cx8800_tvnorm tvnorms[] = {
 144         {
 145                 .name      = "NTSC-M",
 146                 .id        = V4L2_STD_NTSC_M,
 147                 .cxiformat = VideoFormatNTSC,
 148                 .cxoformat = 0x181f0008,
 149         },{
 150                 .name      = "NTSC-JP",
 151                 .id        = V4L2_STD_NTSC_M_JP,
 152                 .cxiformat = VideoFormatNTSCJapan,
 153                 .cxoformat = 0x181f0008,
 154 #if 0
 155         },{
 156                 .name      = "NTSC-4.43",
 157                 .id        = FIXME,
 158                 .cxiformat = VideoFormatNTSC443,
 159                 .cxoformat = 0x181f0008,
 160 #endif
 161         },{
 162                 .name      = "PAL-BG",
 163                 .id        = V4L2_STD_PAL_BG,
 164                 .cxiformat = VideoFormatPAL,
 165                 .cxoformat = 0x181f0008,
 166         },{
 167                 .name      = "PAL-DK",
 168                 .id        = V4L2_STD_PAL_DK,
 169                 .cxiformat = VideoFormatPAL,
 170                 .cxoformat = 0x181f0008,
 171         },{
 172                 .name      = "PAL-I",
 173                 .id        = V4L2_STD_PAL_I,
 174                 .cxiformat = VideoFormatPAL,
 175                 .cxoformat = 0x181f0008,
 176         },{
 177                 .name      = "PAL-M",
 178                 .id        = V4L2_STD_PAL_M,
 179                 .cxiformat = VideoFormatPALM,
 180                 .cxoformat = 0x1c1f0008,
 181         },{
 182                 .name      = "PAL-N",
 183                 .id        = V4L2_STD_PAL_N,
 184                 .cxiformat = VideoFormatPALN,
 185                 .cxoformat = 0x1c1f0008,
 186         },{
 187                 .name      = "PAL-Nc",
 188                 .id        = V4L2_STD_PAL_Nc,
 189                 .cxiformat = VideoFormatPALNC,
 190                 .cxoformat = 0x1c1f0008,
 191         },{
 192                 .name      = "PAL-60",
 193                 .id        = V4L2_STD_PAL_60,
 194                 .cxiformat = VideoFormatPAL60,
 195                 .cxoformat = 0x181f0008,
 196         },{
 197                 .name      = "SECAM-L",
 198                 .id        = V4L2_STD_SECAM_L,
 199                 .cxiformat = VideoFormatSECAM,
 200                 .cxoformat = 0x181f0008,
 201         },{
 202                 .name      = "SECAM-DK",
 203                 .id        = V4L2_STD_SECAM_DK,
 204                 .cxiformat = VideoFormatSECAM,
 205                 .cxoformat = 0x181f0008,
 206         }
 207 };
 208
 209 static struct cx8800_fmt formats[] = {
 210         {
 211                 .name     = "8 bpp, gray",
 212                 .fourcc   = V4L2_PIX_FMT_GREY,
 213                 .cxformat = ColorFormatY8,
 214                 .depth    = 8,
 215                 .flags    = FORMAT_FLAGS_PACKED,
 216         },{
 217                 .name     = "15 bpp RGB, le",
 218                 .fourcc   = V4L2_PIX_FMT_RGB555,
 219                 .cxformat = ColorFormatRGB15,
 220                 .depth    = 16,
 221                 .flags    = FORMAT_FLAGS_PACKED,
 222         },{
 223                 .name     = "15 bpp RGB, be",
 224                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 225                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 226                 .depth    = 16,
 227                 .flags    = FORMAT_FLAGS_PACKED,
 228         },{
 229                 .name     = "16 bpp RGB, le",
 230                 .fourcc   = V4L2_PIX_FMT_RGB565,
 231                 .cxformat = ColorFormatRGB16,
 232                 .depth    = 16,
 233                 .flags    = FORMAT_FLAGS_PACKED,
 234         },{
 235                 .name     = "16 bpp RGB, be",
 236                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 237                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 238                 .depth    = 16,
 239                 .flags    = FORMAT_FLAGS_PACKED,
 240         },{
 241                 .name     = "24 bpp RGB, le",
 242                 .fourcc   = V4L2_PIX_FMT_BGR24,
 243                 .cxformat = ColorFormatRGB24,
 244                 .depth    = 24,
 245                 .flags    = FORMAT_FLAGS_PACKED,
 246         },{
 247                 .name     = "32 bpp RGB, le",
 248                 .fourcc   = V4L2_PIX_FMT_BGR32,
 249                 .cxformat = ColorFormatRGB32,
 250                 .depth    = 32,
 251                 .flags    = FORMAT_FLAGS_PACKED,
 252         },{
 253                 .name     = "32 bpp RGB, be",
 254                 .fourcc   = V4L2_PIX_FMT_RGB32,
 255                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 256                 .depth    = 32,
 257                 .flags    = FORMAT_FLAGS_PACKED,
 258         },{
 259                 .name     = "4:2:2, packed, YUYV",
 260                 .fourcc   = V4L2_PIX_FMT_YUYV,
 261                 .cxformat = ColorFormatYUY2,
 262                 .depth    = 16,
 263                 .flags    = FORMAT_FLAGS_PACKED,
 264         },{
 265                 .name     = "4:2:2, packed, UYVY",
 266                 .fourcc   = V4L2_PIX_FMT_UYVY,
 267                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 268                 .depth    = 16,
 269                 .flags    = FORMAT_FLAGS_PACKED,
 270         },
 271 };
 272
 273 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 274 {
 275         unsigned int i;
 276
 277         for (i = 0; i < ARRAY_SIZE(formats); i++)
 278                 if (formats[i].fourcc == fourcc)
 279                         return formats+i;
 280         return NULL;
 281 }
 282
 283 /* ------------------------------------------------------------------- */
 284
 285 static const struct v4l2_queryctrl no_ctl = {
 286         .name  = "42",
 287         .flags = V4L2_CTRL_FLAG_DISABLED,
 288 };
 289
 290 static struct cx88_ctrl cx8800_ctls[] = {
 291         /* --- video --- */
 292         {
 293                 .v = {
 294                         .id            = V4L2_CID_BRIGHTNESS,
 295                         .name          = "Brightness",
 296                         .minimum       = 0x00,
 297                         .maximum       = 0xff,
 298                         .step          = 1,
 299                         .default_value = 0,
 300                         .type          = V4L2_CTRL_TYPE_INTEGER,
 301                 },
 302                 .off                   = 128,
 303                 .reg                   = MO_CONTR_BRIGHT,
 304                 .mask                  = 0x00ff,
 305                 .shift                 = 0,
 306         },{
 307                 .v = {
 308                         .id            = V4L2_CID_CONTRAST,
 309                         .name          = "Contrast",
 310                         .minimum       = 0,
 311                         .maximum       = 0xff,
 312                         .step          = 1,
 313                         .default_value = 0,
 314                         .type          = V4L2_CTRL_TYPE_INTEGER,
 315                 },
 316                 .reg                   = MO_CONTR_BRIGHT,
 317                 .mask                  = 0xff00,
 318                 .shift                 = 8,
 319         },{
 320                 .v = {
 321                         .id            = V4L2_CID_HUE,
 322                         .name          = "Hue",
 323                         .minimum       = 0,
 324                         .maximum       = 0xff,
 325                         .step          = 1,
 326                         .default_value = 0,
 327                         .type          = V4L2_CTRL_TYPE_INTEGER,
 328                 },
 329                 .off                   = 0,
 330                 .reg                   = MO_HUE,
 331                 .mask                  = 0x00ff,
 332                 .shift                 = 0,
 333         },{
 334                 /* strictly, this only describes only U saturation.
 335                  * V saturation is handled specially through code.
 336                  */
 337                 .v = {
 338                         .id            = V4L2_CID_SATURATION,
 339                         .name          = "Saturation",
 340                         .minimum       = 0,
 341                         .maximum       = 0xff,
 342                         .step          = 1,
 343                         .default_value = 0,
 344                         .type          = V4L2_CTRL_TYPE_INTEGER,
 345                 },
 346                 .off                   = 0,
 347                 .reg                   = MO_UV_SATURATION,
 348                 .mask                  = 0x00ff,
 349                 .shift                 = 0,
 350         },{
 351         /* --- audio --- */
 352                 .v = {
 353                         .id            = V4L2_CID_AUDIO_MUTE,
 354                         .name          = "Mute",
 355                         .minimum       = 0,
 356                         .maximum       = 1,
 357                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 358                 },
 359                 .reg                   = AUD_VOL_CTL,
 360                 .sreg                  = SHADOW_AUD_VOL_CTL,
 361                 .mask                  = (1 << 6),
 362                 .shift                 = 6,
 363         },{
 364                 .v = {
 365                         .id            = V4L2_CID_AUDIO_VOLUME,
 366                         .name          = "Volume",
 367                         .minimum       = 0,
 368                         .maximum       = 0x3f,
 369                         .step          = 1,
 370                         .default_value = 0,
 371                         .type          = V4L2_CTRL_TYPE_INTEGER,
 372                 },
 373                 .reg                   = AUD_VOL_CTL,
 374                 .sreg                  = SHADOW_AUD_VOL_CTL,
 375                 .mask                  = 0x3f,
 376                 .shift                 = 0,
 377         },{
 378                 .v = {
 379                         .id            = V4L2_CID_AUDIO_BALANCE,
 380                         .name          = "Balance",
 381                         .minimum       = 0,
 382                         .maximum       = 0x7f,
 383                         .step          = 1,
 384                         .default_value = 0x40,
 385                         .type          = V4L2_CTRL_TYPE_INTEGER,
 386                 },
 387                 .reg                   = AUD_BAL_CTL,
 388                 .sreg                  = SHADOW_AUD_BAL_CTL,
 389                 .mask                  = 0x7f,
 390                 .shift                 = 0,
 391         }
 392 };
 393 const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 394
 395 /* ------------------------------------------------------------------- */
 396 /* resource management                                                 */
 397
 398 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 399 {
 400         if (fh->resources & bit)
 401                 /* have it already allocated */
 402                 return 1;
 403
 404         /* is it free? */
 405         down(&dev->lock);
 406         if (dev->resources & bit) {
 407                 /* no, someone else uses it */
 408                 up(&dev->lock);
 409                 return 0;
 410         }
 411         /* it's free, grab it */
 412         fh->resources  |= bit;
 413         dev->resources |= bit;
 414         dprintk(1,"res: get %d\n",bit);
 415         up(&dev->lock);
 416         return 1;
 417 }
 418
 419 static
 420 int res_check(struct cx8800_fh *fh, unsigned int bit)
 421 {
 422         return (fh->resources & bit);
 423 }
 424
 425 static
 426 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 427 {
 428         return (dev->resources & bit);
 429 }
 430
 431 static
 432 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 433 {
 434         if ((fh->resources & bits) != bits)
 435                 BUG();
 436
 437         down(&dev->lock);
 438         fh->resources  &= ~bits;
 439         dev->resources &= ~bits;
 440         dprintk(1,"res: put %d\n",bits);
 441         up(&dev->lock);
 442 }
 443
 444 /* ------------------------------------------------------------------ */
 445
 446 static const u32 xtal = 28636363;
 447
 448 static int set_pll(struct cx8800_dev *dev, int prescale, u32 ofreq)
 449 {
 450         static u32 pre[] = { 0, 0, 0, 3, 2, 1 };
 451         u64 pll;
 452         u32 reg;
 453         int i;
 454
 455         if (prescale < 2)
 456                 prescale = 2;
 457         if (prescale > 5)
 458                 prescale = 5;
 459
 460         pll = ofreq * 8 * prescale * (u64)(1 << 20);
 461         do_div(pll,xtal);
 462         reg = (pll & 0x3ffffff) | (pre[prescale] << 26);
 463         if (((reg >> 20) & 0x3f) < 14) {
 464                 printk("%s: pll out of range\n",dev->name);
 465                 return -1;
 466         }
 467
 468         dprintk(1,"set_pll:    MO_PLL_REG       0x%08x [old=0x%08x,freq=%d]\n",
 469                 reg, cx_read(MO_PLL_REG), ofreq);
 470         cx_write(MO_PLL_REG, reg);
 471         for (i = 0; i < 10; i++) {
 472                 reg = cx_read(MO_DEVICE_STATUS);
 473                 if (reg & (1<<2)) {
 474                         dprintk(1,"pll locked [pre=%d,ofreq=%d]\n",
 475                                 prescale,ofreq);
 476                         return 0;
 477                 }
 478                 dprintk(1,"pll not locked yet, waiting ...\n");
 479                 set_current_state(TASK_INTERRUPTIBLE);
 480                 schedule_timeout(HZ/10);
 481         }
 482         dprintk(1,"pll NOT locked [pre=%d,ofreq=%d]\n",prescale,ofreq);
 483         return -1;
 484 }
 485
 486 static int set_tvaudio(struct cx8800_dev *dev)
 487 {
 488         if (CX88_VMUX_TELEVISION != INPUT(dev->input)->type)
 489                 return 0;
 490
 491         if (V4L2_STD_PAL_BG & dev->tvnorm->id) {
 492                 dev->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_BG;
 493
 494         } else if (V4L2_STD_PAL_DK & dev->tvnorm->id) {
 495                 dev->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_DK;
 496
 497         } else if (V4L2_STD_PAL_I & dev->tvnorm->id) {
 498                 dev->tvaudio = WW_NICAM_I;
 499
 500         } else if (V4L2_STD_SECAM_L & dev->tvnorm->id) {
 501                 dev->tvaudio = WW_SYSTEM_L_AM;
 502
 503         } else if (V4L2_STD_SECAM_DK & dev->tvnorm->id) {
 504                 dev->tvaudio = WW_A2_DK;
 505
 506         } else if ((V4L2_STD_NTSC_M & dev->tvnorm->id) ||
 507                    (V4L2_STD_PAL_M  & dev->tvnorm->id)) {
 508                 dev->tvaudio = WW_BTSC;
 509
 510         } else if (V4L2_STD_NTSC_M_JP & dev->tvnorm->id) {
 511                 dev->tvaudio = WW_EIAJ;
 512
 513         } else {
 514                 printk("%s: tvaudio support needs work for this tv norm [%s], sorry\n",
 515                        dev->name, dev->tvnorm->name);
 516                 dev->tvaudio = 0;
 517                 return 0;
 518         }
 519
 520         cx_andor(MO_AFECFG_IO, 0x1f, 0x0);
 521         cx88_set_tvaudio(dev);
 522         // cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO);
 523
 524         cx_write(MO_AUDD_LNGTH, 128/8);  /* fifo size */
 525         cx_write(MO_AUDR_LNGTH, 128/8);  /* fifo size */
 526         cx_write(MO_AUD_DMACNTRL, 0x03); /* need audio fifo */
 527         return 0;
 528 }
 529
 530 static int set_tvnorm(struct cx8800_dev *dev, struct cx8800_tvnorm *norm)
 531 {
 532         u32 fsc8;
 533         u32 adc_clock;
 534         u32 vdec_clock;
 535         u64 tmp64;
 536         u32 bdelay,agcdelay,htotal;
 537
 538         dev->tvnorm = norm;
 539         fsc8       = norm_fsc8(norm);
 540         adc_clock  = xtal;
 541         vdec_clock = fsc8;
 542
 543         dprintk(1,"set_tvnorm: \"%s\" fsc8=%d adc=%d vdec=%d\n",
 544                 norm->name, fsc8, adc_clock, vdec_clock);
 545         set_pll(dev,2,vdec_clock);
 546
 547         dprintk(1,"set_tvnorm: MO_INPUT_FORMAT  0x%08x [old=0x%08x]\n",
 548                 norm->cxiformat, cx_read(MO_INPUT_FORMAT) & 0x0f);
 549         cx_andor(MO_INPUT_FORMAT, 0xf, norm->cxiformat);
 550
 551 #if 1
 552         // FIXME: as-is from DScaler
 553         dprintk(1,"set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n",
 554                 norm->cxoformat, cx_read(MO_OUTPUT_FORMAT));
 555         cx_write(MO_OUTPUT_FORMAT, norm->cxoformat);
 556 #endif
 557
 558         // MO_SCONV_REG = adc clock / video dec clock * 2^17
 559         tmp64  = adc_clock * (u64)(1 << 17);
 560         do_div(tmp64, vdec_clock);
 561         dprintk(1,"set_tvnorm: MO_SCONV_REG     0x%08x [old=0x%08x]\n",
 562                 (u32)tmp64, cx_read(MO_SCONV_REG));
 563         cx_write(MO_SCONV_REG, (u32)tmp64);
 564
 565         // MO_SUB_STEP = 8 * fsc / video dec clock * 2^22
 566         tmp64  = fsc8 * (u64)(1 << 22);
 567         do_div(tmp64, vdec_clock);
 568         dprintk(1,"set_tvnorm: MO_SUB_STEP      0x%08x [old=0x%08x]\n",
 569                 (u32)tmp64, cx_read(MO_SUB_STEP));
 570         cx_write(MO_SUB_STEP, (u32)tmp64);
 571
 572         // MO_SUB_STEP_DR = 8 * 4406250 / video dec clock * 2^22
 573         tmp64  = 4406250 * 8 * (u64)(1 << 22);
 574         do_div(tmp64, vdec_clock);
 575         dprintk(1,"set_tvnorm: MO_SUB_STEP_DR   0x%08x [old=0x%08x]\n",
 576                 (u32)tmp64, cx_read(MO_SUB_STEP_DR));
 577         cx_write(MO_SUB_STEP_DR, (u32)tmp64);
 578
 579         // bdelay + agcdelay
 580         bdelay   = vdec_clock * 65 / 20000000 + 21;
 581         agcdelay = vdec_clock * 68 / 20000000 + 15;
 582         dprintk(1,"set_tvnorm: MO_AGC_BURST     0x%08x [old=0x%08x,bdelay=%d,agcdelay=%d]\n",
 583                 (bdelay << 8) | agcdelay, cx_read(MO_AGC_BURST), bdelay, agcdelay);
 584         cx_write(MO_AGC_BURST, (bdelay << 8) | agcdelay);
 585
 586         // htotal
 587         tmp64 = norm_htotal(norm) * (u64)vdec_clock;
 588         do_div(tmp64, fsc8);
 589         htotal = (u32)tmp64 | (norm_notchfilter(norm) << 11);
 590         dprintk(1,"set_tvnorm: MO_HTOTAL        0x%08x [old=0x%08x,htotal=%d]\n",
 591                 htotal, cx_read(MO_HTOTAL), (u32)tmp64);
 592         cx_write(MO_HTOTAL, htotal);
 593
 594         // vbi stuff
 595         cx_write(MO_VBI_PACKET, ((1 << 11) | /* (norm_vdelay(norm)   << 11) | */
 596                                  norm_vbipack(norm)));
 597
 598         // audio
 599         set_tvaudio(dev);
 600
 601         // tell i2c chips
 602 #ifdef V4L2_I2C_CLIENTS
 603         cx8800_call_i2c_clients(dev,VIDIOC_S_STD,&norm->id);
 604 #else
 605         {
 606                 struct video_channel c;
 607                 memset(&c,0,sizeof(c));
 608                 c.channel = dev->input;
 609                 c.norm = VIDEO_MODE_PAL;
 610                 if ((norm->id & (V4L2_STD_NTSC_M|V4L2_STD_NTSC_M_JP)))
 611                         c.norm = VIDEO_MODE_NTSC;
 612                 if (norm->id & V4L2_STD_SECAM)
 613                         c.norm = VIDEO_MODE_SECAM;
 614                 cx8800_call_i2c_clients(dev,VIDIOCSCHAN,&c);
 615         }
 616 #endif
 617
 618         // done
 619         return 0;
 620 }
 621
 622 static int set_scale(struct cx8800_dev *dev, unsigned int width, unsigned int height,
 623                      enum v4l2_field field)
 624 {
 625         unsigned int swidth  = norm_swidth(dev->tvnorm);
 626         unsigned int sheight = norm_maxh(dev->tvnorm);
 627         u32 value;
 628
 629         dprintk(1,"set_scale: %dx%d [%s%s,%s]\n", width, height,
 630                 V4L2_FIELD_HAS_TOP(field)    ? "T" : "",
 631                 V4L2_FIELD_HAS_BOTTOM(field) ? "B" : "",
 632                 dev->tvnorm->name);
 633         if (!V4L2_FIELD_HAS_BOTH(field))
 634                 height *= 2;
 635
 636         // recalc H delay and scale registers
 637         value = (width * norm_hdelay(dev->tvnorm)) / swidth;
 638         value &= 0x3fe;
 639         cx_write(MO_HDELAY_EVEN,  value);
 640         cx_write(MO_HDELAY_ODD,   value);
 641         dprintk(1,"set_scale: hdelay  0x%04x\n", value);
 642
 643         value = (swidth * 4096 / width) - 4096;
 644         cx_write(MO_HSCALE_EVEN,  value);
 645         cx_write(MO_HSCALE_ODD,   value);
 646         dprintk(1,"set_scale: hscale  0x%04x\n", value);
 647
 648         cx_write(MO_HACTIVE_EVEN, width);
 649         cx_write(MO_HACTIVE_ODD,  width);
 650         dprintk(1,"set_scale: hactive 0x%04x\n", width);
 651
 652         // recalc V scale Register (delay is constant)
 653         cx_write(MO_VDELAY_EVEN, norm_vdelay(dev->tvnorm));
 654         cx_write(MO_VDELAY_ODD,  norm_vdelay(dev->tvnorm));
 655         dprintk(1,"set_scale: vdelay  0x%04x\n", norm_vdelay(dev->tvnorm));
 656
 657         value = (0x10000 - (sheight * 512 / height - 512)) & 0x1fff;
 658         cx_write(MO_VSCALE_EVEN,  value);
 659         cx_write(MO_VSCALE_ODD,   value);
 660         dprintk(1,"set_scale: vscale  0x%04x\n", value);
 661
 662         cx_write(MO_VACTIVE_EVEN, sheight);
 663         cx_write(MO_VACTIVE_ODD,  sheight);
 664         dprintk(1,"set_scale: vactive 0x%04x\n", sheight);
 665
 666         // setup filters
 667         value = 0;
 668         value |= (1 << 19);        // CFILT (default)
 669         if (V4L2_FIELD_INTERLACED == field)
 670                 value |= (1 << 3); // VINT (interlaced vertical scaling)
 671         if (width < 385)
 672                 value |= (1 << 0); // 3-tap interpolation
 673         if (width < 193)
 674                 value |= (1 << 1); // 5-tap interpolation
 675
 676         cx_write(MO_FILTER_EVEN,  value);
 677         cx_write(MO_FILTER_ODD,   value);
 678         dprintk(1,"set_scale: filter  0x%04x\n", value);
 679
 680         return 0;
 681 }
 682
 683 static int video_mux(struct cx8800_dev *dev, unsigned int input)
 684 {
 685         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 686                 input, INPUT(input)->vmux,
 687                 INPUT(input)->gpio0,INPUT(input)->gpio1,
 688                 INPUT(input)->gpio2,INPUT(input)->gpio3);
 689         dev->input = input;
 690         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
 691         cx_write(MO_GP0_IO, INPUT(input)->gpio0);
 692         cx_write(MO_GP1_IO, INPUT(input)->gpio1);
 693         cx_write(MO_GP2_IO, INPUT(input)->gpio2);
 694         cx_write(MO_GP3_IO, INPUT(input)->gpio3);
 695
 696         switch (INPUT(input)->type) {
 697         case CX88_VMUX_SVIDEO:
 698                 cx_set(MO_AFECFG_IO,    0x00000001);
 699                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 700                 break;
 701         default:
 702                 cx_clear(MO_AFECFG_IO,    0x00000001);
 703                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 704                 break;
 705         }
 706         return 0;
 707 }
 708
 709 /* ------------------------------------------------------------------ */
 710
 711 static int start_video_dma(struct cx8800_dev    *dev,
 712                            struct cx88_dmaqueue *q,
 713                            struct cx88_buffer   *buf)
 714 {
 715         /* setup fifo + format */
 716         cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH21],
 717                                 buf->bpl, buf->risc.dma);
 718         set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field);
 719         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 720
 721         /* reset counter */
 722         cx_write(MO_VIDY_GPCNTRL,0x3);
 723         q->count = 1;
 724
 725         /* enable irqs */
 726         cx_set(MO_PCI_INTMSK, 0x00fc01);
 727         cx_set(MO_VID_INTMSK, 0x0f0011);
 728
 729         /* enable capture */
 730         cx_set(VID_CAPTURE_CONTROL,0x06);
 731
 732         /* start dma */
 733         cx_set(MO_DEV_CNTRL2, (1<<5));
 734         cx_set(MO_VID_DMACNTRL, 0x11);
 735
 736         return 0;
 737 }
 738
 739 static int restart_video_queue(struct cx8800_dev    *dev,
 740                                struct cx88_dmaqueue *q)
 741 {
 742         struct cx88_buffer *buf, *prev;
 743         struct list_head *item;
 744
 745         if (!list_empty(&q->active)) {
 746                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 747                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 748                         buf, buf->vb.i);
 749                 start_video_dma(dev, q, buf);
 750                 list_for_each(item,&q->active) {
 751                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 752                         buf->count    = q->count++;
 753                 }
 754                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 755                 return 0;
 756         }
 757
 758         prev = NULL;
 759         for (;;) {
 760                 if (list_empty(&q->queued))
 761                         return 0;
 762                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 763                 if (NULL == prev) {
 764                         list_del(&buf->vb.queue);
 765                         list_add_tail(&buf->vb.queue,&q->active);
 766                         start_video_dma(dev, q, buf);
 767                         buf->vb.state = STATE_ACTIVE;
 768                         buf->count    = q->count++;
 769                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 770                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 771                                 buf,buf->vb.i);
 772
 773                 } else if (prev->vb.width  == buf->vb.width  &&
 774                            prev->vb.height == buf->vb.height &&
 775                            prev->fmt       == buf->fmt) {
 776                         list_del(&buf->vb.queue);
 777                         list_add_tail(&buf->vb.queue,&q->active);
 778                         buf->vb.state = STATE_ACTIVE;
 779                         buf->count    = q->count++;
 780                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 781                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 782                                 buf,buf->vb.i);
 783                 } else {
 784                         return 0;
 785                 }
 786                 prev = buf;
 787         }
 788 }
 789
 790 /* ------------------------------------------------------------------ */
 791
 792 static int
 793 buffer_setup(struct file *file, unsigned int *count, unsigned int *size)
 794 {
 795         struct cx8800_fh *fh = file->private_data;
 796
 797         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 798         if (0 == *count)
 799                 *count = 32;
 800         while (*size * *count > vid_limit * 1024 * 1024)
 801                 (*count)--;
 802         return 0;
 803 }
 804
 805 static int
 806 buffer_prepare(struct file *file, struct videobuf_buffer *vb,
 807                enum v4l2_field field)
 808 {
 809         struct cx8800_fh   *fh  = file->private_data;
 810         struct cx8800_dev  *dev = fh->dev;
 811         struct cx88_buffer *buf = (struct cx88_buffer*)vb;
 812         int rc, init_buffer = 0;
 813
 814         BUG_ON(NULL == fh->fmt);
 815         if (fh->width  < 48 || fh->width  > norm_maxw(dev->tvnorm) ||
 816             fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
 817                 return -EINVAL;
 818         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 819         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 820                 return -EINVAL;
 821
 822         if (buf->fmt       != fh->fmt    ||
 823             buf->vb.width  != fh->width  ||
 824             buf->vb.height != fh->height ||
 825             buf->vb.field  != field) {
 826                 buf->fmt       = fh->fmt;
 827                 buf->vb.width  = fh->width;
 828                 buf->vb.height = fh->height;
 829                 buf->vb.field  = field;
 830                 init_buffer = 1;
 831         }
 832
 833         if (STATE_NEEDS_INIT == buf->vb.state) {
 834                 init_buffer = 1;
 835                 if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
 836                         goto fail;
 837         }
 838
 839         if (init_buffer) {
 840                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 841                 switch (buf->vb.field) {
 842                 case V4L2_FIELD_TOP:
 843                         cx88_risc_buffer(dev->pci, &buf->risc,
 844                                          buf->vb.dma.sglist, 0, UNSET,
 845                                          buf->bpl, 0, buf->vb.height);
 846                         break;
 847                 case V4L2_FIELD_BOTTOM:
 848                         cx88_risc_buffer(dev->pci, &buf->risc,
 849                                          buf->vb.dma.sglist, UNSET, 0,
 850                                          buf->bpl, 0, buf->vb.height);
 851                         break;
 852                 case V4L2_FIELD_INTERLACED:
 853                         cx88_risc_buffer(dev->pci, &buf->risc,
 854                                          buf->vb.dma.sglist, 0, buf->bpl,
 855                                          buf->bpl, buf->bpl,
 856                                          buf->vb.height >> 1);
 857                         break;
 858                 case V4L2_FIELD_SEQ_TB:
 859                         cx88_risc_buffer(dev->pci, &buf->risc,
 860                                          buf->vb.dma.sglist,
 861                                          0, buf->bpl * (buf->vb.height >> 1),
 862                                          buf->bpl, 0,
 863                                          buf->vb.height >> 1);
 864                         break;
 865                 case V4L2_FIELD_SEQ_BT:
 866                         cx88_risc_buffer(dev->pci, &buf->risc,
 867                                          buf->vb.dma.sglist,
 868                                          buf->bpl * (buf->vb.height >> 1), 0,
 869                                          buf->bpl, 0,
 870                                          buf->vb.height >> 1);
 871                         break;
 872                 default:
 873                         BUG();
 874                 }
 875         }
 876         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 877                 buf, buf->vb.i,
 878                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 879                 (unsigned long)buf->risc.dma);
 880
 881         buf->vb.state = STATE_PREPARED;
 882         return 0;
 883
 884  fail:
 885         cx88_free_buffer(dev->pci,buf);
 886         return rc;
 887 }
 888
 889 static void
 890 buffer_queue(struct file *file, struct videobuf_buffer *vb)
 891 {
 892         struct cx88_buffer    *buf  = (struct cx88_buffer*)vb;
 893         struct cx88_buffer    *prev;
 894         struct cx8800_fh      *fh   = file->private_data;
 895         struct cx8800_dev     *dev  = fh->dev;
 896         struct cx88_dmaqueue  *q    = &dev->vidq;
 897
 898         /* add jump to stopper */
 899         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | 0x10000);
 900         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 901
 902         if (!list_empty(&q->queued)) {
 903                 list_add_tail(&buf->vb.queue,&q->queued);
 904                 buf->vb.state = STATE_QUEUED;
 905                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 906                         buf, buf->vb.i);
 907
 908         } else if (list_empty(&q->active)) {
 909                 list_add_tail(&buf->vb.queue,&q->active);
 910                 start_video_dma(dev, q, buf);
 911                 buf->vb.state = STATE_ACTIVE;
 912                 buf->count    = q->count++;
 913                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 914                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 915                         buf, buf->vb.i);
 916
 917         } else {
 918                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 919                 if (prev->vb.width  == buf->vb.width  &&
 920                     prev->vb.height == buf->vb.height &&
 921                     prev->fmt       == buf->fmt) {
 922                         list_add_tail(&buf->vb.queue,&q->active);
 923                         buf->vb.state = STATE_ACTIVE;
 924                         buf->count    = q->count++;
 925                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 926                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 927                                 buf, buf->vb.i);
 928
 929                 } else {
 930                         list_add_tail(&buf->vb.queue,&q->queued);
 931                         buf->vb.state = STATE_QUEUED;
 932                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 933                                 buf, buf->vb.i);
 934                 }
 935         }
 936 }
 937
 938 static void buffer_release(struct file *file, struct videobuf_buffer *vb)
 939 {
 940         struct cx88_buffer *buf = (struct cx88_buffer*)vb;
 941         struct cx8800_fh   *fh  = file->private_data;
 942
 943         cx88_free_buffer(fh->dev->pci,buf);
 944 }
 945
 946 struct videobuf_queue_ops cx8800_video_qops = {
 947         .buf_setup    = buffer_setup,
 948         .buf_prepare  = buffer_prepare,
 949         .buf_queue    = buffer_queue,
 950         .buf_release  = buffer_release,
 951 };
 952
 953 /* ------------------------------------------------------------------ */
 954
 955 #if 0 /* overlay support not finished yet */
 956 static u32* ov_risc_field(struct cx8800_dev *dev, struct cx8800_fh *fh,
 957                           u32 *rp, struct btcx_skiplist *skips,
 958                           u32 sync_line, int skip_even, int skip_odd)
 959 {
 960         int line,maxy,start,end,skip,nskips;
 961         u32 ri,ra;
 962         u32 addr;
 963
 964         /* sync instruction */
 965         *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
 966
 967         addr  = (unsigned long)dev->fbuf.base;
 968         addr += dev->fbuf.fmt.bytesperline * fh->win.w.top;
 969         addr += (fh->fmt->depth >> 3)      * fh->win.w.left;
 970
 971         /* scan lines */
 972         for (maxy = -1, line = 0; line < fh->win.w.height;
 973              line++, addr += dev->fbuf.fmt.bytesperline) {
 974                 if ((line%2) == 0  &&  skip_even)
 975                         continue;
 976                 if ((line%2) == 1  &&  skip_odd)
 977                         continue;
 978
 979                 /* calculate clipping */
 980                 if (line > maxy)
 981                         btcx_calc_skips(line, fh->win.w.width, &maxy,
 982                                         skips, &nskips, fh->clips, fh->nclips);
 983
 984                 /* write out risc code */
 985                 for (start = 0, skip = 0; start < fh->win.w.width; start = end) {
 986                         if (skip >= nskips) {
 987                                 ri  = RISC_WRITE;
 988                                 end = fh->win.w.width;
 989                         } else if (start < skips[skip].start) {
 990                                 ri  = RISC_WRITE;
 991                                 end = skips[skip].start;
 992                         } else {
 993                                 ri  = RISC_SKIP;
 994                                 end = skips[skip].end;
 995                                 skip++;
 996                         }
 997                         if (RISC_WRITE == ri)
 998                                 ra = addr + (fh->fmt->depth>>3)*start;
 999                         else
1000                                 ra = 0;
1001
1002                         if (0 == start)
1003                                 ri |= RISC_SOL;
1004                         if (fh->win.w.width == end)
1005                                 ri |= RISC_EOL;
1006                         ri |= (fh->fmt->depth>>3) * (end-start);
1007
1008                         *(rp++)=cpu_to_le32(ri);
1009                         if (0 != ra)
1010                                 *(rp++)=cpu_to_le32(ra);
1011                 }
1012         }
1013         kfree(skips);
1014         return rp;
1015 }
1016
1017 static int ov_risc_frame(struct cx8800_dev *dev, struct cx8800_fh *fh,
1018                          struct cx88_buffer *buf)
1019 {
1020         struct btcx_skiplist *skips;
1021         u32 instructions,fields;
1022         u32 *rp;
1023         int rc;
1024
1025         /* skip list for window clipping */
1026         if (NULL == (skips = kmalloc(sizeof(*skips) * fh->nclips,GFP_KERNEL)))
1027                 return -ENOMEM;
1028
1029         fields = 0;
1030         if (V4L2_FIELD_HAS_TOP(fh->win.field))
1031                 fields++;
1032         if (V4L2_FIELD_HAS_BOTTOM(fh->win.field))
1033                 fields++;
1034
1035         /* estimate risc mem: worst case is (clip+1) * lines instructions
1036            + syncs + jump (all 2 dwords) */
1037         instructions  = (fh->nclips+1) * fh->win.w.height;
1038         instructions += 3 + 4;
1039         if ((rc = btcx_riscmem_alloc(dev->pci,&buf->risc,instructions*8)) < 0) {
1040                 kfree(skips);
1041                 return rc;
1042         }
1043
1044         /* write risc instructions */
1045         rp = buf->risc.cpu;
1046         switch (fh->win.field) {
1047         case V4L2_FIELD_TOP:
1048                 rp = ov_risc_field(dev, fh, rp, skips, 0,     0, 0);
1049                 break;
1050         case V4L2_FIELD_BOTTOM:
1051                 rp = ov_risc_field(dev, fh, rp, skips, 0x200, 0, 0);
1052                 break;
1053         case V4L2_FIELD_INTERLACED:
1054                 rp = ov_risc_field(dev, fh, rp, skips, 0,     0, 1);
1055                 rp = ov_risc_field(dev, fh, rp, skips, 0x200, 1, 0);
1056                 break;
1057         default:
1058                 BUG();
1059         }
1060
1061         /* save pointer to jmp instruction address */
1062         buf->risc.jmp = rp;
1063         kfree(skips);
1064         return 0;
1065 }
1066
1067 static int verify_window(struct cx8800_dev *dev, struct v4l2_window *win)
1068 {
1069         enum v4l2_field field;
1070         int maxw, maxh;
1071
1072         if (NULL == dev->fbuf.base)
1073                 return -EINVAL;
1074         if (win->w.width < 48 || win->w.height <  32)
1075                 return -EINVAL;
1076         if (win->clipcount > 2048)
1077                 return -EINVAL;
1078
1079         field = win->field;
1080         maxw  = norm_maxw(dev->tvnorm);
1081         maxh  = norm_maxh(dev->tvnorm);
1082
1083         if (V4L2_FIELD_ANY == field) {
1084                 field = (win->w.height > maxh/2)
1085                         ? V4L2_FIELD_INTERLACED
1086                         : V4L2_FIELD_TOP;
1087         }
1088         switch (field) {
1089         case V4L2_FIELD_TOP:
1090         case V4L2_FIELD_BOTTOM:
1091                 maxh = maxh / 2;
1092                 break;
1093         case V4L2_FIELD_INTERLACED:
1094                 break;
1095         default:
1096                 return -EINVAL;
1097         }
1098
1099         win->field = field;
1100         if (win->w.width > maxw)
1101                 win->w.width = maxw;
1102         if (win->w.height > maxh)
1103                 win->w.height = maxh;
1104         return 0;
1105 }
1106
1107 static int setup_window(struct cx8800_dev *dev, struct cx8800_fh *fh,
1108                         struct v4l2_window *win)
1109 {
1110         struct v4l2_clip *clips = NULL;
1111         int n,size,retval = 0;
1112
1113         if (NULL == fh->fmt)
1114                 return -EINVAL;
1115         retval = verify_window(dev,win);
1116         if (0 != retval)
1117                 return retval;
1118
1119         /* copy clips  --  luckily v4l1 + v4l2 are binary
1120            compatible here ...*/
1121         n = win->clipcount;
1122         size = sizeof(*clips)*(n+4);
1123         clips = kmalloc(size,GFP_KERNEL);
1124         if (NULL == clips)
1125                 return -ENOMEM;
1126         if (n > 0) {
1127                 if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
1128                         kfree(clips);
1129                         return -EFAULT;
1130                 }
1131         }
1132
1133         /* clip against screen */
1134         if (NULL != dev->fbuf.base)
1135                 n = btcx_screen_clips(dev->fbuf.fmt.width, dev->fbuf.fmt.height,
1136                                       &win->w, clips, n);
1137         btcx_sort_clips(clips,n);
1138
1139         /* 4-byte alignments */
1140         switch (fh->fmt->depth) {
1141         case 8:
1142         case 24:
1143                 btcx_align(&win->w, clips, n, 3);
1144                 break;
1145         case 16:
1146                 btcx_align(&win->w, clips, n, 1);
1147                 break;
1148         case 32:
1149                 /* no alignment fixups needed */
1150                 break;
1151         default:
1152                 BUG();
1153         }
1154
1155         down(&fh->vidq.lock);
1156         if (fh->clips)
1157                 kfree(fh->clips);
1158         fh->clips    = clips;
1159         fh->nclips   = n;
1160         fh->win      = *win;
1161 #if 0
1162         fh->ov.setup_ok = 1;
1163 #endif
1164
1165         /* update overlay if needed */
1166         retval = 0;
1167 #if 0
1168         if (check_btres(fh, RESOURCE_OVERLAY)) {
1169                 struct bttv_buffer *new;
1170
1171                 new = videobuf_alloc(sizeof(*new));
1172                 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
1173                 retval = bttv_switch_overlay(btv,fh,new);
1174         }
1175 #endif
1176         up(&fh->vidq.lock);
1177         return retval;
1178 }
1179 #endif
1180
1181 /* ------------------------------------------------------------------ */
1182
1183 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
1184 {
1185         switch (fh->type) {
1186         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1187                 return &fh->vidq;
1188         case V4L2_BUF_TYPE_VBI_CAPTURE:
1189                 return &fh->vbiq;
1190         default:
1191                 BUG();
1192                 return NULL;
1193         }
1194 }
1195
1196 static int get_ressource(struct cx8800_fh *fh)
1197 {
1198         switch (fh->type) {
1199         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1200                 return RESOURCE_VIDEO;
1201         case V4L2_BUF_TYPE_VBI_CAPTURE:
1202                 return RESOURCE_VBI;
1203         default:
1204                 BUG();
1205                 return 0;
1206         }
1207 }
1208
1209 static int video_open(struct inode *inode, struct file *file)
1210 {
1211         int minor = iminor(inode);
1212         struct cx8800_dev *h,*dev = NULL;
1213         struct cx8800_fh *fh;
1214         struct list_head *list;
1215         enum v4l2_buf_type type = 0;
1216         int radio = 0;
1217
1218         list_for_each(list,&cx8800_devlist) {
1219                 h = list_entry(list, struct cx8800_dev, devlist);
1220                 if (h->video_dev->minor == minor) {
1221                         dev  = h;
1222                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1223                 }
1224                 if (h->vbi_dev->minor == minor) {
1225                         dev  = h;
1226                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1227                 }
1228                 if (h->radio_dev &&
1229                     h->radio_dev->minor == minor) {
1230                         radio = 1;
1231                         dev   = h;
1232                 }
1233         }
1234         if (NULL == dev)
1235                 return -ENODEV;
1236
1237         dprintk(1,"open minor=%d radio=%d type=%s\n",
1238                 minor,radio,v4l2_type_names[type]);
1239
1240         /* allocate + initialize per filehandle data */
1241         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1242         if (NULL == fh)
1243                 return -ENOMEM;
1244         memset(fh,0,sizeof(*fh));
1245         file->private_data = fh;
1246         fh->dev      = dev;
1247         fh->radio    = radio;
1248         fh->type     = type;
1249         fh->width    = 320;
1250         fh->height   = 240;
1251         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1252
1253         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
1254                             dev->pci, &dev->slock,
1255                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1256                             V4L2_FIELD_INTERLACED,
1257                             sizeof(struct cx88_buffer));
1258         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
1259                             dev->pci, &dev->slock,
1260                             V4L2_BUF_TYPE_VBI_CAPTURE,
1261                             V4L2_FIELD_SEQ_TB,
1262                             sizeof(struct cx88_buffer));
1263         init_MUTEX(&fh->vidq.lock);
1264         init_MUTEX(&fh->vbiq.lock);
1265
1266         if (fh->radio) {
1267                 dprintk(1,"video_open: setting radio device\n");
1268                 cx_write(MO_GP0_IO, cx88_boards[dev->board].radio.gpio0);
1269                 cx_write(MO_GP1_IO, cx88_boards[dev->board].radio.gpio1);
1270                 cx_write(MO_GP2_IO, cx88_boards[dev->board].radio.gpio2);
1271                 cx_write(MO_GP3_IO, cx88_boards[dev->board].radio.gpio3);
1272                 dev->tvaudio = WW_FM;
1273                 cx88_set_tvaudio(dev);
1274                 cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO);
1275                 cx8800_call_i2c_clients(dev,AUDC_SET_RADIO,NULL);
1276         }
1277
1278         return 0;
1279 }
1280
1281 static ssize_t
1282 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1283 {
1284         struct cx8800_fh *fh = file->private_data;
1285
1286         switch (fh->type) {
1287         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1288                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1289                         return -EBUSY;
1290                 return videobuf_read_one(file, &fh->vidq, data, count, ppos);
1291         case V4L2_BUF_TYPE_VBI_CAPTURE:
1292                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1293                         return -EBUSY;
1294                 return videobuf_read_stream(file, &fh->vbiq, data, count, ppos, 1);
1295         default:
1296                 BUG();
1297                 return 0;
1298         }
1299 }
1300
1301 static unsigned int
1302 video_poll(struct file *file, struct poll_table_struct *wait)
1303 {
1304         struct cx8800_fh *fh = file->private_data;
1305
1306         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1307                 return videobuf_poll_stream(file, &fh->vbiq, wait);
1308
1309         /* FIXME */
1310         return POLLERR;
1311 }
1312
1313 static int video_release(struct inode *inode, struct file *file)
1314 {
1315         struct cx8800_fh  *fh  = file->private_data;
1316         struct cx8800_dev *dev = fh->dev;
1317
1318         /* turn off overlay */
1319         if (res_check(fh, RESOURCE_OVERLAY)) {
1320                 /* FIXME */
1321                 res_free(dev,fh,RESOURCE_OVERLAY);
1322         }
1323
1324         /* stop video capture */
1325         if (res_check(fh, RESOURCE_VIDEO)) {
1326                 videobuf_queue_cancel(file,&fh->vidq);
1327                 res_free(dev,fh,RESOURCE_VIDEO);
1328         }
1329         if (fh->vidq.read_buf) {
1330                 buffer_release(file,fh->vidq.read_buf);
1331                 kfree(fh->vidq.read_buf);
1332         }
1333
1334         /* stop vbi capture */
1335         if (res_check(fh, RESOURCE_VBI)) {
1336                 if (fh->vbiq.streaming)
1337                         videobuf_streamoff(file,&fh->vbiq);
1338                 if (fh->vbiq.reading)
1339                         videobuf_read_stop(file,&fh->vbiq);
1340                 res_free(dev,fh,RESOURCE_VBI);
1341         }
1342
1343         file->private_data = NULL;
1344         kfree(fh);
1345         return 0;
1346 }
1347
1348 static int
1349 video_mmap(struct file *file, struct vm_area_struct * vma)
1350 {
1351         struct cx8800_fh *fh = file->private_data;
1352
1353         return videobuf_mmap_mapper(vma, get_queue(fh));
1354 }
1355
1356 /* ------------------------------------------------------------------ */
1357
1358 static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
1359 {
1360         struct cx88_ctrl *c = NULL;
1361         u32 value;
1362         int i;
1363
1364         for (i = 0; i < CX8800_CTLS; i++)
1365                 if (cx8800_ctls[i].v.id == ctl->id)
1366                         c = &cx8800_ctls[i];
1367         if (NULL == c)
1368                 return -EINVAL;
1369
1370         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
1371         switch (ctl->id) {
1372         case V4L2_CID_AUDIO_BALANCE:
1373                 ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f));
1374                 break;
1375         case V4L2_CID_AUDIO_VOLUME:
1376                 ctl->value = 0x3f - (value & 0x3f);
1377                 break;
1378         default:
1379                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
1380                 break;
1381         }
1382         return 0;
1383 }
1384
1385 static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
1386 {
1387         struct cx88_ctrl *c = NULL;
1388         u32 v_sat_value;
1389         u32 value;
1390         int i;
1391
1392         for (i = 0; i < CX8800_CTLS; i++)
1393                 if (cx8800_ctls[i].v.id == ctl->id)
1394                         c = &cx8800_ctls[i];
1395         if (NULL == c)
1396                 return -EINVAL;
1397
1398         if (ctl->value < c->v.minimum)
1399                 return -ERANGE;
1400         if (ctl->value > c->v.maximum)
1401                 return -ERANGE;
1402         switch (ctl->id) {
1403         case V4L2_CID_AUDIO_BALANCE:
1404                 value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value;
1405                 break;
1406         case V4L2_CID_AUDIO_VOLUME:
1407                 value = 0x3f - (ctl->value & 0x3f);
1408                 break;
1409         case V4L2_CID_SATURATION:
1410                 /* special v_sat handling */
1411                 v_sat_value = ctl->value - (0x7f - 0x5a);
1412                 if (v_sat_value > 0xff)
1413                         v_sat_value = 0xff;
1414                 if (v_sat_value < 0x00)
1415                         v_sat_value = 0x00;
1416                 cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8);
1417                 /* fall through to default route for u_sat */
1418         default:
1419                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1420                 break;
1421         }
1422         dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n",
1423                 ctl->id, c->reg, value, c->sreg ? " [shadowed]" : "");
1424         if (c->sreg) {
1425                 cx_sandor(c->sreg, c->reg, c->mask, value);
1426         } else {
1427                 cx_andor(c->reg, c->mask, value);
1428         }
1429         return 0;
1430 }
1431
1432 static void init_controls(struct cx8800_dev *dev)
1433 {
1434         static struct v4l2_control mute = {
1435                 .id    = V4L2_CID_AUDIO_MUTE,
1436                 .value = 1,
1437         };
1438         static struct v4l2_control volume = {
1439                 .id    = V4L2_CID_AUDIO_VOLUME,
1440                 .value = 0x3f,
1441         };
1442
1443         set_control(dev,&mute);
1444         set_control(dev,&volume);
1445 }
1446
1447 /* ------------------------------------------------------------------ */
1448
1449 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1450                         struct v4l2_format *f)
1451 {
1452         switch (f->type) {
1453         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1454                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1455                 f->fmt.pix.width        = fh->width;
1456                 f->fmt.pix.height       = fh->height;
1457                 f->fmt.pix.field        = fh->vidq.field;
1458                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1459                 f->fmt.pix.bytesperline =
1460                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1461                 f->fmt.pix.sizeimage =
1462                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1463                 return 0;
1464         case V4L2_BUF_TYPE_VBI_CAPTURE:
1465                 cx8800_vbi_fmt(dev, f);
1466                 return 0;
1467         default:
1468                 return -EINVAL;
1469         }
1470 }
1471
1472 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1473                           struct v4l2_format *f)
1474 {
1475         switch (f->type) {
1476         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1477         {
1478                 struct cx8800_fmt *fmt;
1479                 enum v4l2_field field;
1480                 unsigned int maxw, maxh;
1481
1482                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1483                 if (NULL == fmt)
1484                         return -EINVAL;
1485
1486                 field = f->fmt.pix.field;
1487                 maxw  = norm_maxw(dev->tvnorm);
1488                 maxh  = norm_maxh(dev->tvnorm);
1489
1490                 if (V4L2_FIELD_ANY == field) {
1491                         field = (f->fmt.pix.height > maxh/2)
1492                                 ? V4L2_FIELD_INTERLACED
1493                                 : V4L2_FIELD_BOTTOM;
1494                 }
1495
1496                 switch (field) {
1497                 case V4L2_FIELD_TOP:
1498                 case V4L2_FIELD_BOTTOM:
1499                         maxh = maxh / 2;
1500                         break;
1501                 case V4L2_FIELD_INTERLACED:
1502                         break;
1503                 default:
1504                         return -EINVAL;
1505                 }
1506
1507                 f->fmt.pix.field = field;
1508                 if (f->fmt.pix.height < 32)
1509                         f->fmt.pix.height = 32;
1510                 if (f->fmt.pix.height > maxh)
1511                         f->fmt.pix.height = maxh;
1512                 if (f->fmt.pix.width < 48)
1513                         f->fmt.pix.width = 48;
1514                 if (f->fmt.pix.width > maxw)
1515                         f->fmt.pix.width = maxw;
1516                 f->fmt.pix.width &= ~0x03;
1517                 f->fmt.pix.bytesperline =
1518                         (f->fmt.pix.width * fmt->depth) >> 3;
1519                 f->fmt.pix.sizeimage =
1520                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1521
1522                 return 0;
1523         }
1524         case V4L2_BUF_TYPE_VBI_CAPTURE:
1525                 cx8800_vbi_fmt(dev, f);
1526                 return 0;
1527         default:
1528                 return -EINVAL;
1529         }
1530 }
1531
1532 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1533                         struct v4l2_format *f)
1534 {
1535         int err;
1536
1537         switch (f->type) {
1538         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1539                 err = cx8800_try_fmt(dev,fh,f);
1540                 if (0 != err)
1541                         return err;
1542
1543                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1544                 fh->width      = f->fmt.pix.width;
1545                 fh->height     = f->fmt.pix.height;
1546                 fh->vidq.field = f->fmt.pix.field;
1547                 return 0;
1548         case V4L2_BUF_TYPE_VBI_CAPTURE:
1549                 cx8800_vbi_fmt(dev, f);
1550                 return 0;
1551         default:
1552                 return -EINVAL;
1553         }
1554 }
1555
1556 /*
1557  * This function is _not_ called directly, but from
1558  * video_generic_ioctl (and maybe others).  userspace
1559  * copying is done already, arg is a kernel pointer.
1560  */
1561 static int video_do_ioctl(struct inode *inode, struct file *file,
1562                           unsigned int cmd, void *arg)
1563 {
1564         struct cx8800_fh  *fh  = file->private_data;
1565         struct cx8800_dev *dev = fh->dev;
1566 #if 0
1567         unsigned long flags;
1568 #endif
1569         int err;
1570
1571         if (video_debug > 1)
1572                 cx88_print_ioctl(dev->name,cmd);
1573         switch (cmd) {
1574         case VIDIOC_QUERYCAP:
1575         {
1576                 struct v4l2_capability *cap = arg;
1577
1578                 memset(cap,0,sizeof(*cap));
1579                 strcpy(cap->driver, "cx8800");
1580                 strlcpy(cap->card, cx88_boards[dev->board].name,
1581                         sizeof(cap->card));
1582                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1583                 cap->version = CX88_VERSION_CODE;
1584                 cap->capabilities =
1585                         V4L2_CAP_VIDEO_CAPTURE |
1586                         V4L2_CAP_READWRITE     |
1587                         V4L2_CAP_STREAMING     |
1588                         V4L2_CAP_VBI_CAPTURE   |
1589 #if 0
1590                         V4L2_CAP_VIDEO_OVERLAY |
1591 #endif
1592                         0;
1593                 if (UNSET != dev->tuner_type)
1594                         cap->capabilities |= V4L2_CAP_TUNER;
1595
1596                 return 0;
1597         }
1598
1599         /* ---------- tv norms ---------- */
1600         case VIDIOC_ENUMSTD:
1601         {
1602                 struct v4l2_standard *e = arg;
1603                 unsigned int i;
1604
1605                 i = e->index;
1606                 if (i >= ARRAY_SIZE(tvnorms))
1607                         return -EINVAL;
1608                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1609                                                tvnorms[e->index].name);
1610                 e->index = i;
1611                 if (err < 0)
1612                         return err;
1613                 return 0;
1614         }
1615         case VIDIOC_G_STD:
1616         {
1617                 v4l2_std_id *id = arg;
1618
1619                 *id = dev->tvnorm->id;
1620                 return 0;
1621         }
1622         case VIDIOC_S_STD:
1623         {
1624                 v4l2_std_id *id = arg;
1625                 unsigned int i;
1626
1627                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1628                         if (*id & tvnorms[i].id)
1629                                 break;
1630                 if (i == ARRAY_SIZE(tvnorms))
1631                         return -EINVAL;
1632
1633                 down(&dev->lock);
1634                 set_tvnorm(dev,&tvnorms[i]);
1635                 up(&dev->lock);
1636                 return 0;
1637         }
1638
1639         /* ------ input switching ---------- */
1640         case VIDIOC_ENUMINPUT:
1641         {
1642                 static const char *iname[] = {
1643                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1644                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1645                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1646                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1647                         [ CX88_VMUX_TELEVISION ] = "Television",
1648                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1649                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1650                 };
1651                 struct v4l2_input *i = arg;
1652                 unsigned int n;
1653
1654                 n = i->index;
1655                 if (n >= 4)
1656                         return -EINVAL;
1657                 if (0 == INPUT(n)->type)
1658                         return -EINVAL;
1659                 memset(i,0,sizeof(*i));
1660                 i->index = n;
1661                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1662                 strcpy(i->name,iname[INPUT(n)->type]);
1663                 if (CX88_VMUX_TELEVISION == INPUT(n)->type)
1664                         i->type = V4L2_INPUT_TYPE_TUNER;
1665                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1666                         i->std |= tvnorms[n].id;
1667                 return 0;
1668         }
1669         case VIDIOC_G_INPUT:
1670         {
1671                 unsigned int *i = arg;
1672
1673                 *i = dev->input;
1674                 return 0;
1675         }
1676         case VIDIOC_S_INPUT:
1677         {
1678                 unsigned int *i = arg;
1679
1680                 if (*i >= 4)
1681                         return -EINVAL;
1682                 down(&dev->lock);
1683                 video_mux(dev,*i);
1684                 up(&dev->lock);
1685                 return 0;
1686         }
1687
1688         /* --- capture ioctls ---------------------------------------- */
1689         case VIDIOC_ENUM_FMT:
1690         {
1691                 struct v4l2_fmtdesc *f = arg;
1692                 enum v4l2_buf_type type;
1693                 unsigned int index;
1694
1695                 index = f->index;
1696                 type  = f->type;
1697                 switch (type) {
1698                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1699                         if (index >= ARRAY_SIZE(formats))
1700                                 return -EINVAL;
1701                         memset(f,0,sizeof(*f));
1702                         f->index = index;
1703                         f->type  = type;
1704                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1705                         f->pixelformat = formats[index].fourcc;
1706                         break;
1707                 default:
1708                         return -EINVAL;
1709                 }
1710                 return 0;
1711         }
1712         case VIDIOC_G_FMT:
1713         {
1714                 struct v4l2_format *f = arg;
1715                 return cx8800_g_fmt(dev,fh,f);
1716         }
1717         case VIDIOC_S_FMT:
1718         {
1719                 struct v4l2_format *f = arg;
1720                 return cx8800_s_fmt(dev,fh,f);
1721         }
1722         case VIDIOC_TRY_FMT:
1723         {
1724                 struct v4l2_format *f = arg;
1725                 return cx8800_try_fmt(dev,fh,f);
1726         }
1727
1728         /* --- controls ---------------------------------------------- */
1729         case VIDIOC_QUERYCTRL:
1730         {
1731                 struct v4l2_queryctrl *c = arg;
1732                 int i;
1733
1734                 if (c->id <  V4L2_CID_BASE ||
1735                     c->id >= V4L2_CID_LASTP1)
1736                         return -EINVAL;
1737                 for (i = 0; i < CX8800_CTLS; i++)
1738                         if (cx8800_ctls[i].v.id == c->id)
1739                                 break;
1740                 if (i == CX8800_CTLS) {
1741                         *c = no_ctl;
1742                         return 0;
1743                 }
1744                 *c = cx8800_ctls[i].v;
1745                 return 0;
1746         }
1747         case VIDIOC_G_CTRL:
1748                 return get_control(dev,arg);
1749         case VIDIOC_S_CTRL:
1750                 return set_control(dev,arg);
1751
1752         /* --- tuner ioctls ------------------------------------------ */
1753         case VIDIOC_G_TUNER:
1754         {
1755                 struct v4l2_tuner *t = arg;
1756                 u32 reg;
1757
1758                 if (UNSET == dev->tuner_type)
1759                         return -EINVAL;
1760                 if (0 != t->index)
1761                         return -EINVAL;
1762
1763                 memset(t,0,sizeof(*t));
1764                 strcpy(t->name, "Television");
1765                 t->type       = V4L2_TUNER_ANALOG_TV;
1766                 t->capability = V4L2_TUNER_CAP_NORM;
1767                 t->rangehigh  = 0xffffffffUL;
1768
1769                 cx88_get_stereo(dev ,t);
1770                 reg = cx_read(MO_DEVICE_STATUS);
1771                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1772                 return 0;
1773         }
1774         case VIDIOC_S_TUNER:
1775         {
1776                 struct v4l2_tuner *t = arg;
1777
1778                 if (UNSET == dev->tuner_type)
1779                         return -EINVAL;
1780                 if (0 != t->index)
1781                         return -EINVAL;
1782                 cx88_set_stereo(dev,t->audmode);
1783                 return 0;
1784         }
1785         case VIDIOC_G_FREQUENCY:
1786         {
1787                 struct v4l2_frequency *f = arg;
1788
1789                 if (UNSET == dev->tuner_type)
1790                         return -EINVAL;
1791                 if (f->tuner != 0)
1792                         return -EINVAL;
1793                 memset(f,0,sizeof(*f));
1794                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1795                 f->frequency = dev->freq;
1796                 return 0;
1797         }
1798         case VIDIOC_S_FREQUENCY:
1799         {
1800                 struct v4l2_frequency *f = arg;
1801
1802                 if (UNSET == dev->tuner_type)
1803                         return -EINVAL;
1804                 if (f->tuner != 0)
1805                         return -EINVAL;
1806                 if (0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)
1807                         return -EINVAL;
1808                 if (1 == fh->radio && f->type != V4L2_TUNER_RADIO)
1809                         return -EINVAL;
1810                 down(&dev->lock);
1811                 dev->freq = f->frequency;
1812 #ifdef V4L2_I2C_CLIENTS
1813                 cx8800_call_i2c_clients(dev,VIDIOC_S_FREQUENCY,f);
1814 #else
1815                 cx8800_call_i2c_clients(dev,VIDIOCSFREQ,&dev->freq);
1816 #endif
1817                 up(&dev->lock);
1818                 return 0;
1819         }
1820
1821         /* --- streaming capture ------------------------------------- */
1822         case VIDIOCGMBUF:
1823         {
1824                 struct video_mbuf *mbuf = arg;
1825                 struct videobuf_queue *q;
1826                 struct v4l2_requestbuffers req;
1827                 unsigned int i;
1828
1829                 q = get_queue(fh);
1830                 memset(&req,0,sizeof(req));
1831                 req.type   = q->type;
1832                 req.count  = 8;
1833                 req.memory = V4L2_MEMORY_MMAP;
1834                 err = videobuf_reqbufs(file,q,&req);
1835                 if (err < 0)
1836                         return err;
1837                 memset(mbuf,0,sizeof(*mbuf));
1838                 mbuf->frames = req.count;
1839                 mbuf->size   = 0;
1840                 for (i = 0; i < mbuf->frames; i++) {
1841                         mbuf->offsets[i]  = q->bufs[i]->boff;
1842                         mbuf->size       += q->bufs[i]->bsize;
1843                 }
1844                 return 0;
1845         }
1846         case VIDIOC_REQBUFS:
1847                 return videobuf_reqbufs(file, get_queue(fh), arg);
1848
1849         case VIDIOC_QUERYBUF:
1850                 return videobuf_querybuf(get_queue(fh), arg);
1851
1852         case VIDIOC_QBUF:
1853                 return videobuf_qbuf(file, get_queue(fh), arg);
1854
1855         case VIDIOC_DQBUF:
1856                 return videobuf_dqbuf(file, get_queue(fh), arg);
1857
1858         case VIDIOC_STREAMON:
1859         {
1860                 int res = get_ressource(fh);
1861
1862                 if (!res_get(dev,fh,res))
1863                         return -EBUSY;
1864                 return videobuf_streamon(file, get_queue(fh));
1865         }
1866         case VIDIOC_STREAMOFF:
1867         {
1868                 int res = get_ressource(fh);
1869
1870                 err = videobuf_streamoff(file, get_queue(fh));
1871                 if (err < 0)
1872                         return err;
1873                 res_free(dev,fh,res);
1874                 return 0;
1875         }
1876
1877         default:
1878                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1879                                                   video_do_ioctl);
1880         }
1881         return 0;
1882 }
1883
1884 static int video_ioctl(struct inode *inode, struct file *file,
1885                        unsigned int cmd, unsigned long arg)
1886 {
1887         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1888 }
1889
1890 /* ----------------------------------------------------------- */
1891
1892 static int radio_do_ioctl(struct inode *inode, struct file *file,
1893                         unsigned int cmd, void *arg)
1894 {
1895         struct cx8800_fh *fh = file->private_data;
1896         struct cx8800_dev *dev = fh->dev;
1897
1898         if (video_debug > 1)
1899                 cx88_print_ioctl(dev->name,cmd);
1900
1901         switch (cmd) {
1902         case VIDIOC_QUERYCAP:
1903         {
1904                 struct v4l2_capability *cap = arg;
1905
1906                 memset(cap,0,sizeof(*cap));
1907                 strcpy(cap->driver, "cx8800");
1908                 strlcpy(cap->card, cx88_boards[dev->board].name,
1909                         sizeof(cap->card));
1910                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1911                 cap->version = CX88_VERSION_CODE;
1912                 cap->capabilities = V4L2_CAP_TUNER;
1913                 return 0;
1914         }
1915         case VIDIOC_G_TUNER:
1916         {
1917                 struct v4l2_tuner *t = arg;
1918
1919                 if (t->index > 0)
1920                         return -EINVAL;
1921
1922                 memset(t,0,sizeof(*t));
1923                 strcpy(t->name, "Radio");
1924                 t->rangelow  = (int)(65*16);
1925                 t->rangehigh = (int)(108*16);
1926
1927 #ifdef V4L2_I2C_CLIENTS
1928                 cx8800_call_i2c_clients(dev,VIDIOC_G_TUNER,t);
1929 #else
1930                 {
1931                         struct video_tuner vt;
1932                         memset(&vt,0,sizeof(vt));
1933                         cx8800_call_i2c_clients(dev,VIDIOCGTUNER,&vt);
1934                         t->signal = vt.signal;
1935                 }
1936 #endif
1937                 return 0;
1938         }
1939         case VIDIOC_ENUMINPUT:
1940         {
1941                 struct v4l2_input *i = arg;
1942
1943                 if (i->index != 0)
1944                         return -EINVAL;
1945                 strcpy(i->name,"Radio");
1946                 i->type = V4L2_INPUT_TYPE_TUNER;
1947                 return 0;
1948         }
1949         case VIDIOC_G_INPUT:
1950         {
1951                 int *i = arg;
1952                 *i = 0;
1953                 return 0;
1954         }
1955         case VIDIOC_G_AUDIO:
1956         {
1957                 struct v4l2_audio *a = arg;
1958
1959                 memset(a,0,sizeof(*a));
1960                 strcpy(a->name,"Radio");
1961                 return 0;
1962         }
1963         case VIDIOC_G_STD:
1964         {
1965                 v4l2_std_id *id = arg;
1966                 *id = 0;
1967                 return 0;
1968         }
1969         case VIDIOC_S_AUDIO:
1970         case VIDIOC_S_TUNER:
1971         case VIDIOC_S_INPUT:
1972         case VIDIOC_S_STD:
1973                 return 0;
1974
1975         case VIDIOC_QUERYCTRL:
1976         {
1977                 struct v4l2_queryctrl *c = arg;
1978                 int i;
1979
1980                 if (c->id <  V4L2_CID_BASE ||
1981                     c->id >= V4L2_CID_LASTP1)
1982                         return -EINVAL;
1983                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1984                         for (i = 0; i < CX8800_CTLS; i++)
1985                                 if (cx8800_ctls[i].v.id == c->id)
1986                                         break;
1987                         *c = cx8800_ctls[i].v;
1988                 } else
1989                         *c = no_ctl;
1990                 return 0;
1991         }
1992
1993
1994         case VIDIOC_G_CTRL:
1995         case VIDIOC_S_CTRL:
1996         case VIDIOC_G_FREQUENCY:
1997         case VIDIOC_S_FREQUENCY:
1998                 return video_do_ioctl(inode,file,cmd,arg);
1999
2000         default:
2001                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2002                                                   radio_do_ioctl);
2003         }
2004         return 0;
2005 };
2006
2007 static int radio_ioctl(struct inode *inode, struct file *file,
2008                         unsigned int cmd, unsigned long arg)
2009 {
2010         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2011 };
2012
2013 /* ----------------------------------------------------------- */
2014
2015 static void cx8800_vid_timeout(unsigned long data)
2016 {
2017         struct cx8800_dev *dev = (struct cx8800_dev*)data;
2018         struct cx88_dmaqueue *q = &dev->vidq;
2019         struct cx88_buffer *buf;
2020         unsigned long flags;
2021
2022         cx88_sram_channel_dump(dev, &cx88_sram_channels[SRAM_CH21]);
2023         //cx88_risc_disasm(dev,&dev->vidq.stopper);
2024
2025         cx_clear(MO_VID_DMACNTRL, 0x11);
2026         cx_clear(VID_CAPTURE_CONTROL, 0x06);
2027
2028         spin_lock_irqsave(&dev->slock,flags);
2029         while (!list_empty(&q->active)) {
2030                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
2031                 list_del(&buf->vb.queue);
2032                 buf->vb.state = STATE_ERROR;
2033                 wake_up(&buf->vb.done);
2034                 printk("%s: [%p/%d] timeout - dma=0x%08lx\n", dev->name,
2035                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
2036         }
2037         restart_video_queue(dev,q);
2038         spin_unlock_irqrestore(&dev->slock,flags);
2039 }
2040
2041 static void cx8800_wakeup(struct cx8800_dev *dev,
2042                           struct cx88_dmaqueue *q, u32 count)
2043 {
2044         struct cx88_buffer *buf;
2045
2046         for (;;) {
2047                 if (list_empty(&q->active))
2048                         break;
2049                 buf = list_entry(q->active.next,
2050                                  struct cx88_buffer, vb.queue);
2051                 if (buf->count > count)
2052                         break;
2053                 do_gettimeofday(&buf->vb.ts);
2054                 dprintk(2,"[%p/%d] wakeup reg=%d buf=%d\n",buf,buf->vb.i,
2055                         count, buf->count);
2056                 buf->vb.state = STATE_DONE;
2057                 list_del(&buf->vb.queue);
2058                 wake_up(&buf->vb.done);
2059         }
2060         if (list_empty(&q->active)) {
2061                 del_timer(&q->timeout);
2062         } else {
2063                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
2064         }
2065 }
2066
2067 static void cx8800_vid_irq(struct cx8800_dev *dev)
2068 {
2069         u32 status, mask, count;
2070
2071         status = cx_read(MO_VID_INTSTAT);
2072         mask   = cx_read(MO_VID_INTMSK);
2073         if (0 == (status & mask))
2074                 return;
2075         cx_write(MO_VID_INTSTAT, status);
2076         if (irq_debug  ||  (status & mask & ~0xff))
2077                 cx88_print_irqbits(dev->name, "irq vid",
2078                                    cx88_vid_irqs, status, mask);
2079
2080         /* risc op code error */
2081         if (status & (1 << 16)) {
2082                 printk(KERN_WARNING "%s: video risc op code error\n",dev->name);
2083                 cx_clear(MO_VID_DMACNTRL, 0x11);
2084                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
2085                 cx88_sram_channel_dump(dev, &cx88_sram_channels[SRAM_CH21]);
2086         }
2087
2088         /* risc1 y */
2089         if (status & 0x01) {
2090                 spin_lock(&dev->slock);
2091                 count = cx_read(MO_VIDY_GPCNT);
2092                 cx8800_wakeup(dev, &dev->vidq, count);
2093                 spin_unlock(&dev->slock);
2094         }
2095
2096         /* risc1 vbi */
2097         if (status & 0x08) {
2098                 spin_lock(&dev->slock);
2099                 count = cx_read(MO_VBI_GPCNT);
2100                 cx8800_wakeup(dev, &dev->vbiq, count);
2101                 spin_unlock(&dev->slock);
2102         }
2103
2104         /* risc2 y */
2105         if (status & 0x10) {
2106                 dprintk(2,"stopper video\n");
2107                 spin_lock(&dev->slock);
2108                 restart_video_queue(dev,&dev->vidq);
2109                 spin_unlock(&dev->slock);
2110         }
2111
2112         /* risc2 vbi */
2113         if (status & 0x80) {
2114                 dprintk(2,"stopper vbi\n");
2115                 spin_lock(&dev->slock);
2116                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2117                 spin_unlock(&dev->slock);
2118         }
2119 }
2120
2121 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
2122 {
2123         struct cx8800_dev *dev = dev_id;
2124         u32 status, mask;
2125         int loop, handled = 0;
2126
2127         for (loop = 0; loop < 10; loop++) {
2128                 status = cx_read(MO_PCI_INTSTAT);
2129                 mask   = cx_read(MO_PCI_INTMSK);
2130                 if (0 == (status & mask))
2131                         goto out;
2132                 handled = 1;
2133                 cx_write(MO_PCI_INTSTAT, status);
2134                 if (irq_debug  ||  (status & mask & ~0x1f))
2135                         cx88_print_irqbits(dev->name, "irq pci",
2136                                            cx88_pci_irqs, status, mask);
2137
2138                 if (status & 1)
2139                         cx8800_vid_irq(dev);
2140         };
2141         if (10 == loop) {
2142                 printk(KERN_WARNING "%s: irq loop -- clearing mask\n",
2143                        dev->name);
2144                 cx_write(MO_PCI_INTMSK,0);
2145         }
2146
2147  out:
2148         return IRQ_RETVAL(handled);
2149 }
2150
2151 /* ----------------------------------------------------------- */
2152 /* exported stuff                                              */
2153
2154 static struct file_operations video_fops =
2155 {
2156         .owner         = THIS_MODULE,
2157         .open          = video_open,
2158         .release       = video_release,
2159         .read          = video_read,
2160         .poll          = video_poll,
2161         .mmap          = video_mmap,
2162         .ioctl         = video_ioctl,
2163         .llseek        = no_llseek,
2164 };
2165
2166 struct video_device cx8800_video_template =
2167 {
2168         .name          = "cx8800-video",
2169         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
2170         .hardware      = 0,
2171         .fops          = &video_fops,
2172         .minor         = -1,
2173 };
2174
2175 struct video_device cx8800_vbi_template =
2176 {
2177         .name          = "cx8800-vbi",
2178         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
2179         .hardware      = 0,
2180         .fops          = &video_fops,
2181         .minor         = -1,
2182 };
2183
2184 static struct file_operations radio_fops =
2185 {
2186         .owner         = THIS_MODULE,
2187         .open          = video_open,
2188         .release       = video_release,
2189         .ioctl         = radio_ioctl,
2190         .llseek        = no_llseek,
2191 };
2192
2193 struct video_device cx8800_radio_template =
2194 {
2195         .name          = "cx8800-radio",
2196         .type          = VID_TYPE_TUNER,
2197         .hardware      = 0,
2198         .fops          = &radio_fops,
2199         .minor         = -1,
2200 };
2201
2202 /* ----------------------------------------------------------- */
2203
2204 static void cx8800_shutdown(struct cx8800_dev *dev)
2205 {
2206         /* disable RISC controller + IRQs */
2207         cx_write(MO_DEV_CNTRL2, 0);
2208
2209         /* stop dma transfers */
2210         cx_write(MO_VID_DMACNTRL, 0x0);
2211         cx_write(MO_AUD_DMACNTRL, 0x0);
2212         cx_write(MO_TS_DMACNTRL, 0x0);
2213         cx_write(MO_VIP_DMACNTRL, 0x0);
2214         cx_write(MO_GPHST_DMACNTRL, 0x0);
2215
2216         /* stop interupts */
2217         cx_write(MO_PCI_INTMSK, 0x0);
2218         cx_write(MO_VID_INTMSK, 0x0);
2219         cx_write(MO_AUD_INTMSK, 0x0);
2220         cx_write(MO_TS_INTMSK, 0x0);
2221         cx_write(MO_VIP_INTMSK, 0x0);
2222         cx_write(MO_GPHST_INTMSK, 0x0);
2223
2224         /* stop capturing */
2225         cx_write(VID_CAPTURE_CONTROL, 0);
2226 }
2227
2228 static int cx8800_reset(struct cx8800_dev *dev)
2229 {
2230         dprintk(1,"cx8800_reset\n");
2231
2232         cx8800_shutdown(dev);
2233
2234         /* clear irq status */
2235         cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int
2236         cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int
2237         cx_write(MO_INT1_STAT,   0xFFFFFFFF); // Clear RISC int
2238
2239         /* wait a bit */
2240         set_current_state(TASK_INTERRUPTIBLE);
2241         schedule_timeout(HZ/10);
2242
2243         /* init sram */
2244         cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH21], 720*4, 0);
2245         cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH22], 128, 0);
2246         cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH23], 128, 0);
2247         cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH24], 128, 0);
2248         cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH25], 128, 0);
2249         cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH26], 128, 0);
2250
2251         /* misc init ... */
2252         cx_write(MO_INPUT_FORMAT, ((1 << 13) |   // agc enable
2253                                    (1 << 12) |   // agc gain
2254                                    (1 << 11) |   // adaptibe agc
2255                                    (0 << 10) |   // chroma agc
2256                                    (0 <<  9) |   // ckillen
2257                                    (7)));
2258
2259         /* setup image format */
2260         cx_andor(MO_COLOR_CTRL, 0x4000, 0x4000);
2261
2262         /* setup FIFO Threshholds */
2263         cx_write(MO_PDMA_STHRSH,   0x0807);
2264         cx_write(MO_PDMA_DTHRSH,   0x0807);
2265
2266         /* fixes flashing of image */
2267         cx_write(MO_AGC_SYNC_TIP1, 0x0380000F);
2268         cx_write(MO_AGC_BACK_VBI,  0x00E00555);
2269
2270         cx_write(MO_VID_INTSTAT,   0xFFFFFFFF); // Clear PIV int
2271         cx_write(MO_PCI_INTSTAT,   0xFFFFFFFF); // Clear PCI int
2272         cx_write(MO_INT1_STAT,     0xFFFFFFFF); // Clear RISC int
2273
2274         return 0;
2275 }
2276
2277 static struct video_device *vdev_init(struct cx8800_dev *dev,
2278                                       struct video_device *template,
2279                                       char *type)
2280 {
2281         struct video_device *vfd;
2282
2283         vfd = video_device_alloc();
2284         if (NULL == vfd)
2285                 return NULL;
2286         *vfd = *template;
2287         vfd->minor   = -1;
2288         vfd->dev     = &dev->pci->dev;
2289         vfd->release = video_device_release;
2290         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
2291                  dev->name, type, cx88_boards[dev->board].name);
2292         return vfd;
2293 }
2294
2295 static void cx8800_unregister_video(struct cx8800_dev *dev)
2296 {
2297         if (dev->radio_dev) {
2298                 if (-1 != dev->radio_dev->minor)
2299                         video_unregister_device(dev->radio_dev);
2300                 else
2301                         video_device_release(dev->radio_dev);
2302                 dev->radio_dev = NULL;
2303         }
2304         if (dev->vbi_dev) {
2305                 if (-1 != dev->vbi_dev->minor)
2306                         video_unregister_device(dev->vbi_dev);
2307                 else
2308                         video_device_release(dev->vbi_dev);
2309                 dev->vbi_dev = NULL;
2310         }
2311         if (dev->video_dev) {
2312                 if (-1 != dev->video_dev->minor)
2313                         video_unregister_device(dev->video_dev);
2314                 else
2315                         video_device_release(dev->video_dev);
2316                 dev->video_dev = NULL;
2317         }
2318 }
2319
2320 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
2321                                     const struct pci_device_id *pci_id)
2322 {
2323         struct cx8800_dev *dev;
2324         unsigned int i;
2325         int err;
2326
2327         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
2328         if (NULL == dev)
2329                 return -ENOMEM;
2330         memset(dev,0,sizeof(*dev));
2331
2332         /* pci init */
2333         dev->pci = pci_dev;
2334         if (pci_enable_device(pci_dev)) {
2335                 err = -EIO;
2336                 goto fail1;
2337         }
2338         sprintf(dev->name,"cx%x[%d]",pci_dev->device,cx8800_devcount);
2339
2340         /* pci quirks */
2341         cx88_pci_quirks(dev->name, dev->pci, &latency);
2342         if (UNSET != latency) {
2343                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
2344                        dev->name,latency);
2345                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
2346         }
2347
2348         /* print pci info */
2349         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
2350         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
2351         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
2352                "latency: %d, mmio: 0x%lx\n", dev->name,
2353                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
2354                dev->pci_lat,pci_resource_start(pci_dev,0));
2355
2356         pci_set_master(pci_dev);
2357         if (!pci_dma_supported(pci_dev,0xffffffff)) {
2358                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
2359                 err = -EIO;
2360                 goto fail1;
2361         }
2362
2363         /* board config */
2364         dev->board = card[cx8800_devcount];
2365         for (i = 0; UNSET == dev->board  &&  i < cx88_idcount; i++)
2366                 if (pci_dev->subsystem_vendor == cx88_subids[i].subvendor &&
2367                     pci_dev->subsystem_device == cx88_subids[i].subdevice)
2368                         dev->board = cx88_subids[i].card;
2369         if (UNSET == dev->board) {
2370                 dev->board = CX88_BOARD_UNKNOWN;
2371                 cx88_card_list(dev);
2372         }
2373         printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
2374                dev->name,pci_dev->subsystem_vendor,
2375                pci_dev->subsystem_device,cx88_boards[dev->board].name,
2376                dev->board, card[cx8800_devcount] == dev->board ?
2377                "insmod option" : "autodetected");
2378
2379         dev->tuner_type = tuner[cx8800_devcount];
2380         if (UNSET == dev->tuner_type)
2381                 dev->tuner_type = cx88_boards[dev->board].tuner_type;
2382
2383         /* get mmio */
2384         if (!request_mem_region(pci_resource_start(pci_dev,0),
2385                                 pci_resource_len(pci_dev,0),
2386                                 dev->name)) {
2387                 err = -EBUSY;
2388                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n",
2389                        dev->name,pci_resource_start(pci_dev,0));
2390                 goto fail1;
2391         }
2392         dev->lmmio = ioremap(pci_resource_start(pci_dev,0),
2393                              pci_resource_len(pci_dev,0));
2394         dev->bmmio = (u8*)dev->lmmio;
2395
2396         /* initialize driver struct */
2397         init_MUTEX(&dev->lock);
2398         dev->slock = SPIN_LOCK_UNLOCKED;
2399         dev->tvnorm = tvnorms;
2400
2401         /* init video dma queues */
2402         INIT_LIST_HEAD(&dev->vidq.active);
2403         INIT_LIST_HEAD(&dev->vidq.queued);
2404         dev->vidq.timeout.function = cx8800_vid_timeout;
2405         dev->vidq.timeout.data     = (unsigned long)dev;
2406         init_timer(&dev->vidq.timeout);
2407         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
2408                           MO_VID_DMACNTRL,0x11,0x00);
2409
2410         /* init vbi dma queues */
2411         INIT_LIST_HEAD(&dev->vbiq.active);
2412         INIT_LIST_HEAD(&dev->vbiq.queued);
2413         dev->vbiq.timeout.function = cx8800_vbi_timeout;
2414         dev->vbiq.timeout.data     = (unsigned long)dev;
2415         init_timer(&dev->vbiq.timeout);
2416         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
2417                           MO_VID_DMACNTRL,0x88,0x00);
2418
2419         /* initialize hardware */
2420         cx8800_reset(dev);
2421
2422         /* get irq */
2423         err = request_irq(pci_dev->irq, cx8800_irq,
2424                           SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
2425         if (err < 0) {
2426                 printk(KERN_ERR "%s: can't get IRQ %d\n",
2427                        dev->name,pci_dev->irq);
2428                 goto fail2;
2429         }
2430
2431         /* register i2c bus + load i2c helpers */
2432         cx8800_i2c_init(dev);
2433         cx88_card_setup(dev);
2434
2435         /* load and configure helper modules */
2436         if (TUNER_ABSENT != dev->tuner_type)
2437                 request_module("tuner");
2438         if (cx88_boards[dev->board].needs_tda9887)
2439                 request_module("tda9887");
2440         if (dev->tuner_type != UNSET)
2441                 cx8800_call_i2c_clients(dev,TUNER_SET_TYPE,&dev->tuner_type);
2442
2443         /* register v4l devices */
2444         dev->video_dev = vdev_init(dev,&cx8800_video_template,"video");
2445         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
2446                                     video_nr[cx8800_devcount]);
2447         if (err < 0) {
2448                 printk(KERN_INFO "%s: can't register video device\n",
2449                        dev->name);
2450                 goto fail3;
2451         }
2452         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
2453                dev->name,dev->video_dev->minor & 0x1f);
2454
2455         dev->vbi_dev = vdev_init(dev,&cx8800_vbi_template,"vbi");
2456         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
2457                                     vbi_nr[cx8800_devcount]);
2458         if (err < 0) {
2459                 printk(KERN_INFO "%s: can't register vbi device\n",
2460                        dev->name);
2461                 goto fail3;
2462         }
2463         printk(KERN_INFO "%s: registered device vbi%d\n",
2464                dev->name,dev->vbi_dev->minor & 0x1f);
2465
2466         if (dev->has_radio) {
2467                 dev->radio_dev = vdev_init(dev,&cx8800_radio_template,"radio");
2468                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
2469                                             radio_nr[cx8800_devcount]);
2470                 if (err < 0) {
2471                         printk(KERN_INFO "%s: can't register radio device\n",
2472                                dev->name);
2473                         goto fail3;
2474                 }
2475                 printk(KERN_INFO "%s: registered device radio%d\n",
2476                        dev->name,dev->radio_dev->minor & 0x1f);
2477         }
2478
2479         /* everything worked */
2480         list_add_tail(&dev->devlist,&cx8800_devlist);
2481         pci_set_drvdata(pci_dev,dev);
2482         cx8800_devcount++;
2483
2484         /* initial device configuration */
2485         down(&dev->lock);
2486         init_controls(dev);
2487         set_tvnorm(dev,tvnorms);
2488         video_mux(dev,0);
2489         up(&dev->lock);
2490
2491         /* start tvaudio thread */
2492         init_completion(&dev->texit);
2493         dev->tpid = kernel_thread(cx88_audio_thread, dev, 0);
2494         return 0;
2495
2496  fail3:
2497         cx8800_unregister_video(dev);
2498         if (0 == dev->i2c_rc)
2499                 i2c_bit_del_bus(&dev->i2c_adap);
2500         free_irq(pci_dev->irq, dev);
2501  fail2:
2502         release_mem_region(pci_resource_start(pci_dev,0),
2503                            pci_resource_len(pci_dev,0));
2504  fail1:
2505         kfree(dev);
2506         return err;
2507 }
2508
2509 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
2510 {
2511         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2512
2513         /* stop thread */
2514         dev->shutdown = 1;
2515         if (dev->tpid >= 0)
2516                 wait_for_completion(&dev->texit);
2517
2518         cx8800_shutdown(dev);
2519         pci_disable_device(pci_dev);
2520
2521         /* unregister stuff */
2522         if (0 == dev->i2c_rc)
2523                 i2c_bit_del_bus(&dev->i2c_adap);
2524
2525         free_irq(pci_dev->irq, dev);
2526         release_mem_region(pci_resource_start(pci_dev,0),
2527                            pci_resource_len(pci_dev,0));
2528
2529         cx8800_unregister_video(dev);
2530         pci_set_drvdata(pci_dev, NULL);
2531
2532         /* free memory */
2533         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2534         list_del(&dev->devlist);
2535         cx8800_devcount--;
2536         kfree(dev);
2537 }
2538
2539 static int cx8800_suspend(struct pci_dev *pci_dev, u32 state)
2540 {
2541         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2542
2543         printk("%s: suspend %d\n", dev->name, state);
2544
2545         cx8800_shutdown(dev);
2546         del_timer(&dev->vidq.timeout);
2547
2548         pci_save_state(pci_dev, dev->state.pci_cfg);
2549         if (0 != pci_set_power_state(pci_dev, state)) {
2550                 pci_disable_device(pci_dev);
2551                 dev->state.disabled = 1;
2552         }
2553         return 0;
2554 }
2555
2556 static int cx8800_resume(struct pci_dev *pci_dev)
2557 {
2558         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2559
2560         printk("%s: resume\n", dev->name);
2561
2562         if (dev->state.disabled) {
2563                 pci_enable_device(pci_dev);
2564                 dev->state.disabled = 0;
2565         }
2566         pci_set_power_state(pci_dev, 0);
2567         pci_restore_state(pci_dev, dev->state.pci_cfg);
2568
2569         /* re-initialize hardware */
2570         cx8800_reset(dev);
2571
2572         /* restart video capture */
2573         spin_lock(&dev->slock);
2574         restart_video_queue(dev,&dev->vidq);
2575         spin_unlock(&dev->slock);
2576
2577         return 0;
2578 }
2579
2580 /* ----------------------------------------------------------- */
2581
2582 struct pci_device_id cx8800_pci_tbl[] = {
2583         {
2584                 .vendor       = 0x14f1,
2585                 .device       = 0x8800,
2586                 .subvendor    = PCI_ANY_ID,
2587                 .subdevice    = PCI_ANY_ID,
2588         },{
2589                 /* --- end of list --- */
2590         }
2591 };
2592 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2593
2594 static struct pci_driver cx8800_pci_driver = {
2595         .name     = "cx8800",
2596         .id_table = cx8800_pci_tbl,
2597         .probe    = cx8800_initdev,
2598         .remove   = cx8800_finidev,
2599
2600         .suspend  = cx8800_suspend,
2601         .resume   = cx8800_resume,
2602 };
2603
2604 static int cx8800_init(void)
2605 {
2606         INIT_LIST_HEAD(&cx8800_devlist);
2607         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2608                (CX88_VERSION_CODE >> 16) & 0xff,
2609                (CX88_VERSION_CODE >>  8) & 0xff,
2610                CX88_VERSION_CODE & 0xff);
2611 #ifdef SNAPSHOT
2612         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2613                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2614 #endif
2615         return pci_module_init(&cx8800_pci_driver);
2616 }
2617
2618 static void cx8800_fini(void)
2619 {
2620         pci_unregister_driver(&cx8800_pci_driver);
2621 }
2622
2623 module_init(cx8800_init);
2624 module_exit(cx8800_fini);
2625
2626 /* ----------------------------------------------------------- */
2627 /*
2628  * Local variables:
2629  * c-basic-offset: 8
2630  * End:
2631  */