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

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/moduleparam.h>
  27 #include <linux/kmod.h>
  28 #include <linux/kernel.h>
  29 #include <linux/slab.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/delay.h>
  32 #include <linux/kthread.h>
  33 #include <asm/div64.h>
  34
  35 #include "cx88.h"
  36
  37 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  38 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  39 MODULE_LICENSE("GPL");
  40
  41 /* ------------------------------------------------------------------ */
  42
  43 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  44 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  45 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  46
  47 module_param_array(video_nr, int, NULL, 0444);
  48 module_param_array(vbi_nr,   int, NULL, 0444);
  49 module_param_array(radio_nr, int, NULL, 0444);
  50
  51 MODULE_PARM_DESC(video_nr,"video device numbers");
  52 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  53 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  54
  55 static unsigned int video_debug = 0;
  56 module_param(video_debug,int,0644);
  57 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  58
  59 static unsigned int irq_debug = 0;
  60 module_param(irq_debug,int,0644);
  61 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  62
  63 static unsigned int vid_limit = 16;
  64 module_param(vid_limit,int,0644);
  65 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  66
  67 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  68         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  69
  70 /* ------------------------------------------------------------------ */
  71
  72 static LIST_HEAD(cx8800_devlist);
  73
  74 /* ------------------------------------------------------------------- */
  75 /* static data                                                         */
  76
  77 static struct cx88_tvnorm tvnorms[] = {
  78         {
  79                 .name      = "NTSC-M",
  80                 .id        = V4L2_STD_NTSC_M,
  81                 .cxiformat = VideoFormatNTSC,
  82                 .cxoformat = 0x181f0008,
  83         },{
  84                 .name      = "NTSC-JP",
  85                 .id        = V4L2_STD_NTSC_M_JP,
  86                 .cxiformat = VideoFormatNTSCJapan,
  87                 .cxoformat = 0x181f0008,
  88         },{
  89                 .name      = "PAL-BG",
  90                 .id        = V4L2_STD_PAL_BG,
  91                 .cxiformat = VideoFormatPAL,
  92                 .cxoformat = 0x181f0008,
  93         },{
  94                 .name      = "PAL-DK",
  95                 .id        = V4L2_STD_PAL_DK,
  96                 .cxiformat = VideoFormatPAL,
  97                 .cxoformat = 0x181f0008,
  98         },{
  99                 .name      = "PAL-I",
 100                 .id        = V4L2_STD_PAL_I,
 101                 .cxiformat = VideoFormatPAL,
 102                 .cxoformat = 0x181f0008,
 103         },{
 104                 .name      = "PAL-M",
 105                 .id        = V4L2_STD_PAL_M,
 106                 .cxiformat = VideoFormatPALM,
 107                 .cxoformat = 0x1c1f0008,
 108         },{
 109                 .name      = "PAL-N",
 110                 .id        = V4L2_STD_PAL_N,
 111                 .cxiformat = VideoFormatPALN,
 112                 .cxoformat = 0x1c1f0008,
 113         },{
 114                 .name      = "PAL-Nc",
 115                 .id        = V4L2_STD_PAL_Nc,
 116                 .cxiformat = VideoFormatPALNC,
 117                 .cxoformat = 0x1c1f0008,
 118         },{
 119                 .name      = "PAL-60",
 120                 .id        = V4L2_STD_PAL_60,
 121                 .cxiformat = VideoFormatPAL60,
 122                 .cxoformat = 0x181f0008,
 123         },{
 124                 .name      = "SECAM-L",
 125                 .id        = V4L2_STD_SECAM_L,
 126                 .cxiformat = VideoFormatSECAM,
 127                 .cxoformat = 0x181f0008,
 128         },{
 129                 .name      = "SECAM-DK",
 130                 .id        = V4L2_STD_SECAM_DK,
 131                 .cxiformat = VideoFormatSECAM,
 132                 .cxoformat = 0x181f0008,
 133         }
 134 };
 135
 136 static struct cx8800_fmt formats[] = {
 137         {
 138                 .name     = "8 bpp, gray",
 139                 .fourcc   = V4L2_PIX_FMT_GREY,
 140                 .cxformat = ColorFormatY8,
 141                 .depth    = 8,
 142                 .flags    = FORMAT_FLAGS_PACKED,
 143         },{
 144                 .name     = "15 bpp RGB, le",
 145                 .fourcc   = V4L2_PIX_FMT_RGB555,
 146                 .cxformat = ColorFormatRGB15,
 147                 .depth    = 16,
 148                 .flags    = FORMAT_FLAGS_PACKED,
 149         },{
 150                 .name     = "15 bpp RGB, be",
 151                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 152                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 153                 .depth    = 16,
 154                 .flags    = FORMAT_FLAGS_PACKED,
 155         },{
 156                 .name     = "16 bpp RGB, le",
 157                 .fourcc   = V4L2_PIX_FMT_RGB565,
 158                 .cxformat = ColorFormatRGB16,
 159                 .depth    = 16,
 160                 .flags    = FORMAT_FLAGS_PACKED,
 161         },{
 162                 .name     = "16 bpp RGB, be",
 163                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 164                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 165                 .depth    = 16,
 166                 .flags    = FORMAT_FLAGS_PACKED,
 167         },{
 168                 .name     = "24 bpp RGB, le",
 169                 .fourcc   = V4L2_PIX_FMT_BGR24,
 170                 .cxformat = ColorFormatRGB24,
 171                 .depth    = 24,
 172                 .flags    = FORMAT_FLAGS_PACKED,
 173         },{
 174                 .name     = "32 bpp RGB, le",
 175                 .fourcc   = V4L2_PIX_FMT_BGR32,
 176                 .cxformat = ColorFormatRGB32,
 177                 .depth    = 32,
 178                 .flags    = FORMAT_FLAGS_PACKED,
 179         },{
 180                 .name     = "32 bpp RGB, be",
 181                 .fourcc   = V4L2_PIX_FMT_RGB32,
 182                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 183                 .depth    = 32,
 184                 .flags    = FORMAT_FLAGS_PACKED,
 185         },{
 186                 .name     = "4:2:2, packed, YUYV",
 187                 .fourcc   = V4L2_PIX_FMT_YUYV,
 188                 .cxformat = ColorFormatYUY2,
 189                 .depth    = 16,
 190                 .flags    = FORMAT_FLAGS_PACKED,
 191         },{
 192                 .name     = "4:2:2, packed, UYVY",
 193                 .fourcc   = V4L2_PIX_FMT_UYVY,
 194                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 195                 .depth    = 16,
 196                 .flags    = FORMAT_FLAGS_PACKED,
 197         },
 198 };
 199
 200 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 201 {
 202         unsigned int i;
 203
 204         for (i = 0; i < ARRAY_SIZE(formats); i++)
 205                 if (formats[i].fourcc == fourcc)
 206                         return formats+i;
 207         return NULL;
 208 }
 209
 210 /* ------------------------------------------------------------------- */
 211
 212 static const struct v4l2_queryctrl no_ctl = {
 213         .name  = "42",
 214         .flags = V4L2_CTRL_FLAG_DISABLED,
 215 };
 216
 217 static struct cx88_ctrl cx8800_ctls[] = {
 218         /* --- video --- */
 219         {
 220                 .v = {
 221                         .id            = V4L2_CID_BRIGHTNESS,
 222                         .name          = "Brightness",
 223                         .minimum       = 0x00,
 224                         .maximum       = 0xff,
 225                         .step          = 1,
 226                         .default_value = 0,
 227                         .type          = V4L2_CTRL_TYPE_INTEGER,
 228                 },
 229                 .off                   = 128,
 230                 .reg                   = MO_CONTR_BRIGHT,
 231                 .mask                  = 0x00ff,
 232                 .shift                 = 0,
 233         },{
 234                 .v = {
 235                         .id            = V4L2_CID_CONTRAST,
 236                         .name          = "Contrast",
 237                         .minimum       = 0,
 238                         .maximum       = 0xff,
 239                         .step          = 1,
 240                         .default_value = 0,
 241                         .type          = V4L2_CTRL_TYPE_INTEGER,
 242                 },
 243                 .off                   = 0,
 244                 .reg                   = MO_CONTR_BRIGHT,
 245                 .mask                  = 0xff00,
 246                 .shift                 = 8,
 247         },{
 248                 .v = {
 249                         .id            = V4L2_CID_HUE,
 250                         .name          = "Hue",
 251                         .minimum       = 0,
 252                         .maximum       = 0xff,
 253                         .step          = 1,
 254                         .default_value = 0,
 255                         .type          = V4L2_CTRL_TYPE_INTEGER,
 256                 },
 257                 .off                   = 128,
 258                 .reg                   = MO_HUE,
 259                 .mask                  = 0x00ff,
 260                 .shift                 = 0,
 261         },{
 262                 /* strictly, this only describes only U saturation.
 263                  * V saturation is handled specially through code.
 264                  */
 265                 .v = {
 266                         .id            = V4L2_CID_SATURATION,
 267                         .name          = "Saturation",
 268                         .minimum       = 0,
 269                         .maximum       = 0xff,
 270                         .step          = 1,
 271                         .default_value = 0,
 272                         .type          = V4L2_CTRL_TYPE_INTEGER,
 273                 },
 274                 .off                   = 0,
 275                 .reg                   = MO_UV_SATURATION,
 276                 .mask                  = 0x00ff,
 277                 .shift                 = 0,
 278         },{
 279         /* --- audio --- */
 280                 .v = {
 281                         .id            = V4L2_CID_AUDIO_MUTE,
 282                         .name          = "Mute",
 283                         .minimum       = 0,
 284                         .maximum       = 1,
 285                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 286                 },
 287                 .reg                   = AUD_VOL_CTL,
 288                 .sreg                  = SHADOW_AUD_VOL_CTL,
 289                 .mask                  = (1 << 6),
 290                 .shift                 = 6,
 291         },{
 292                 .v = {
 293                         .id            = V4L2_CID_AUDIO_VOLUME,
 294                         .name          = "Volume",
 295                         .minimum       = 0,
 296                         .maximum       = 0x3f,
 297                         .step          = 1,
 298                         .default_value = 0,
 299                         .type          = V4L2_CTRL_TYPE_INTEGER,
 300                 },
 301                 .reg                   = AUD_VOL_CTL,
 302                 .sreg                  = SHADOW_AUD_VOL_CTL,
 303                 .mask                  = 0x3f,
 304                 .shift                 = 0,
 305         },{
 306                 .v = {
 307                         .id            = V4L2_CID_AUDIO_BALANCE,
 308                         .name          = "Balance",
 309                         .minimum       = 0,
 310                         .maximum       = 0x7f,
 311                         .step          = 1,
 312                         .default_value = 0x40,
 313                         .type          = V4L2_CTRL_TYPE_INTEGER,
 314                 },
 315                 .reg                   = AUD_BAL_CTL,
 316                 .sreg                  = SHADOW_AUD_BAL_CTL,
 317                 .mask                  = 0x7f,
 318                 .shift                 = 0,
 319         }
 320 };
 321 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 322
 323 /* ------------------------------------------------------------------- */
 324 /* resource management                                                 */
 325
 326 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 327 {
 328         struct cx88_core *core = dev->core;
 329         if (fh->resources & bit)
 330                 /* have it already allocated */
 331                 return 1;
 332
 333         /* is it free? */
 334         down(&core->lock);
 335         if (dev->resources & bit) {
 336                 /* no, someone else uses it */
 337                 up(&core->lock);
 338                 return 0;
 339         }
 340         /* it's free, grab it */
 341         fh->resources  |= bit;
 342         dev->resources |= bit;
 343         dprintk(1,"res: get %d\n",bit);
 344         up(&core->lock);
 345         return 1;
 346 }
 347
 348 static
 349 int res_check(struct cx8800_fh *fh, unsigned int bit)
 350 {
 351         return (fh->resources & bit);
 352 }
 353
 354 static
 355 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 356 {
 357         return (dev->resources & bit);
 358 }
 359
 360 static
 361 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 362 {
 363         struct cx88_core *core = dev->core;
 364         if ((fh->resources & bits) != bits)
 365                 BUG();
 366
 367         down(&core->lock);
 368         fh->resources  &= ~bits;
 369         dev->resources &= ~bits;
 370         dprintk(1,"res: put %d\n",bits);
 371         up(&core->lock);
 372 }
 373
 374 /* ------------------------------------------------------------------ */
 375
 376 /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */
 377 static int video_mux(struct cx88_core *core, unsigned int input)
 378 {
 379         /* struct cx88_core *core = dev->core; */
 380
 381         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 382                 input, INPUT(input)->vmux,
 383                 INPUT(input)->gpio0,INPUT(input)->gpio1,
 384                 INPUT(input)->gpio2,INPUT(input)->gpio3);
 385         core->input = input;
 386         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
 387         cx_write(MO_GP3_IO, INPUT(input)->gpio3);
 388         cx_write(MO_GP0_IO, INPUT(input)->gpio0);
 389         cx_write(MO_GP1_IO, INPUT(input)->gpio1);
 390         cx_write(MO_GP2_IO, INPUT(input)->gpio2);
 391
 392         switch (INPUT(input)->type) {
 393         case CX88_VMUX_SVIDEO:
 394                 cx_set(MO_AFECFG_IO,    0x00000001);
 395                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 396                 cx_set(MO_FILTER_EVEN,  0x00002020);
 397                 cx_set(MO_FILTER_ODD,   0x00002020);
 398                 break;
 399         default:
 400                 cx_clear(MO_AFECFG_IO,    0x00000001);
 401                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 402                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 403                 cx_clear(MO_FILTER_ODD,   0x00002020);
 404                 break;
 405         }
 406         return 0;
 407 }
 408
 409 /* ------------------------------------------------------------------ */
 410
 411 static int start_video_dma(struct cx8800_dev    *dev,
 412                            struct cx88_dmaqueue *q,
 413                            struct cx88_buffer   *buf)
 414 {
 415         struct cx88_core *core = dev->core;
 416
 417         /* setup fifo + format */
 418         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 419                                 buf->bpl, buf->risc.dma);
 420         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 421         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 422
 423         /* reset counter */
 424         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 425         q->count = 1;
 426
 427         /* enable irqs */
 428         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
 429
 430         /* Enables corresponding bits at PCI_INT_STAT:
 431                 bits 0 to 4: video, audio, transport stream, VIP, Host
 432                 bit 7: timer
 433                 bits 8 and 9: DMA complete for: SRC, DST
 434                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 435                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 436          */
 437         cx_set(MO_VID_INTMSK, 0x0f0011);
 438
 439         /* enable capture */
 440         cx_set(VID_CAPTURE_CONTROL,0x06);
 441
 442         /* start dma */
 443         cx_set(MO_DEV_CNTRL2, (1<<5));
 444         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 445
 446         return 0;
 447 }
 448
 449 static int stop_video_dma(struct cx8800_dev    *dev)
 450 {
 451         struct cx88_core *core = dev->core;
 452
 453         /* stop dma */
 454         cx_clear(MO_VID_DMACNTRL, 0x11);
 455
 456         /* disable capture */
 457         cx_clear(VID_CAPTURE_CONTROL,0x06);
 458
 459         /* disable irqs */
 460         cx_clear(MO_PCI_INTMSK, 0x000001);
 461         cx_clear(MO_VID_INTMSK, 0x0f0011);
 462         return 0;
 463 }
 464
 465 static int restart_video_queue(struct cx8800_dev    *dev,
 466                                struct cx88_dmaqueue *q)
 467 {
 468         struct cx88_core *core = dev->core;
 469         struct cx88_buffer *buf, *prev;
 470         struct list_head *item;
 471
 472         if (!list_empty(&q->active)) {
 473                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 474                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 475                         buf, buf->vb.i);
 476                 start_video_dma(dev, q, buf);
 477                 list_for_each(item,&q->active) {
 478                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 479                         buf->count    = q->count++;
 480                 }
 481                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 482                 return 0;
 483         }
 484
 485         prev = NULL;
 486         for (;;) {
 487                 if (list_empty(&q->queued))
 488                         return 0;
 489                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 490                 if (NULL == prev) {
 491                         list_del(&buf->vb.queue);
 492                         list_add_tail(&buf->vb.queue,&q->active);
 493                         start_video_dma(dev, q, buf);
 494                         buf->vb.state = STATE_ACTIVE;
 495                         buf->count    = q->count++;
 496                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 497                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 498                                 buf,buf->vb.i);
 499
 500                 } else if (prev->vb.width  == buf->vb.width  &&
 501                            prev->vb.height == buf->vb.height &&
 502                            prev->fmt       == buf->fmt) {
 503                         list_del(&buf->vb.queue);
 504                         list_add_tail(&buf->vb.queue,&q->active);
 505                         buf->vb.state = STATE_ACTIVE;
 506                         buf->count    = q->count++;
 507                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 508                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 509                                 buf,buf->vb.i);
 510                 } else {
 511                         return 0;
 512                 }
 513                 prev = buf;
 514         }
 515 }
 516
 517 /* ------------------------------------------------------------------ */
 518
 519 static int
 520 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 521 {
 522         struct cx8800_fh *fh = q->priv_data;
 523
 524         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 525         if (0 == *count)
 526                 *count = 32;
 527         while (*size * *count > vid_limit * 1024 * 1024)
 528                 (*count)--;
 529         return 0;
 530 }
 531
 532 static int
 533 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 534                enum v4l2_field field)
 535 {
 536         struct cx8800_fh   *fh  = q->priv_data;
 537         struct cx8800_dev  *dev = fh->dev;
 538         struct cx88_core *core = dev->core;
 539         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 540         int rc, init_buffer = 0;
 541
 542         BUG_ON(NULL == fh->fmt);
 543         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 544             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 545                 return -EINVAL;
 546         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 547         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 548                 return -EINVAL;
 549
 550         if (buf->fmt       != fh->fmt    ||
 551             buf->vb.width  != fh->width  ||
 552             buf->vb.height != fh->height ||
 553             buf->vb.field  != field) {
 554                 buf->fmt       = fh->fmt;
 555                 buf->vb.width  = fh->width;
 556                 buf->vb.height = fh->height;
 557                 buf->vb.field  = field;
 558                 init_buffer = 1;
 559         }
 560
 561         if (STATE_NEEDS_INIT == buf->vb.state) {
 562                 init_buffer = 1;
 563                 if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
 564                         goto fail;
 565         }
 566
 567         if (init_buffer) {
 568                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 569                 switch (buf->vb.field) {
 570                 case V4L2_FIELD_TOP:
 571                         cx88_risc_buffer(dev->pci, &buf->risc,
 572                                          buf->vb.dma.sglist, 0, UNSET,
 573                                          buf->bpl, 0, buf->vb.height);
 574                         break;
 575                 case V4L2_FIELD_BOTTOM:
 576                         cx88_risc_buffer(dev->pci, &buf->risc,
 577                                          buf->vb.dma.sglist, UNSET, 0,
 578                                          buf->bpl, 0, buf->vb.height);
 579                         break;
 580                 case V4L2_FIELD_INTERLACED:
 581                         cx88_risc_buffer(dev->pci, &buf->risc,
 582                                          buf->vb.dma.sglist, 0, buf->bpl,
 583                                          buf->bpl, buf->bpl,
 584                                          buf->vb.height >> 1);
 585                         break;
 586                 case V4L2_FIELD_SEQ_TB:
 587                         cx88_risc_buffer(dev->pci, &buf->risc,
 588                                          buf->vb.dma.sglist,
 589                                          0, buf->bpl * (buf->vb.height >> 1),
 590                                          buf->bpl, 0,
 591                                          buf->vb.height >> 1);
 592                         break;
 593                 case V4L2_FIELD_SEQ_BT:
 594                         cx88_risc_buffer(dev->pci, &buf->risc,
 595                                          buf->vb.dma.sglist,
 596                                          buf->bpl * (buf->vb.height >> 1), 0,
 597                                          buf->bpl, 0,
 598                                          buf->vb.height >> 1);
 599                         break;
 600                 default:
 601                         BUG();
 602                 }
 603         }
 604         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 605                 buf, buf->vb.i,
 606                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 607                 (unsigned long)buf->risc.dma);
 608
 609         buf->vb.state = STATE_PREPARED;
 610         return 0;
 611
 612  fail:
 613         cx88_free_buffer(dev->pci,buf);
 614         return rc;
 615 }
 616
 617 static void
 618 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 619 {
 620         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 621         struct cx88_buffer    *prev;
 622         struct cx8800_fh      *fh   = vq->priv_data;
 623         struct cx8800_dev     *dev  = fh->dev;
 624         struct cx88_core      *core = dev->core;
 625         struct cx88_dmaqueue  *q    = &dev->vidq;
 626
 627         /* add jump to stopper */
 628         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 629         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 630
 631         if (!list_empty(&q->queued)) {
 632                 list_add_tail(&buf->vb.queue,&q->queued);
 633                 buf->vb.state = STATE_QUEUED;
 634                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 635                         buf, buf->vb.i);
 636
 637         } else if (list_empty(&q->active)) {
 638                 list_add_tail(&buf->vb.queue,&q->active);
 639                 start_video_dma(dev, q, buf);
 640                 buf->vb.state = STATE_ACTIVE;
 641                 buf->count    = q->count++;
 642                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 643                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 644                         buf, buf->vb.i);
 645
 646         } else {
 647                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 648                 if (prev->vb.width  == buf->vb.width  &&
 649                     prev->vb.height == buf->vb.height &&
 650                     prev->fmt       == buf->fmt) {
 651                         list_add_tail(&buf->vb.queue,&q->active);
 652                         buf->vb.state = STATE_ACTIVE;
 653                         buf->count    = q->count++;
 654                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 655                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 656                                 buf, buf->vb.i);
 657
 658                 } else {
 659                         list_add_tail(&buf->vb.queue,&q->queued);
 660                         buf->vb.state = STATE_QUEUED;
 661                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 662                                 buf, buf->vb.i);
 663                 }
 664         }
 665 }
 666
 667 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 668 {
 669         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 670         struct cx8800_fh   *fh  = q->priv_data;
 671
 672         cx88_free_buffer(fh->dev->pci,buf);
 673 }
 674
 675 static struct videobuf_queue_ops cx8800_video_qops = {
 676         .buf_setup    = buffer_setup,
 677         .buf_prepare  = buffer_prepare,
 678         .buf_queue    = buffer_queue,
 679         .buf_release  = buffer_release,
 680 };
 681
 682 /* ------------------------------------------------------------------ */
 683
 684
 685 /* ------------------------------------------------------------------ */
 686
 687 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 688 {
 689         switch (fh->type) {
 690         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 691                 return &fh->vidq;
 692         case V4L2_BUF_TYPE_VBI_CAPTURE:
 693                 return &fh->vbiq;
 694         default:
 695                 BUG();
 696                 return NULL;
 697         }
 698 }
 699
 700 static int get_ressource(struct cx8800_fh *fh)
 701 {
 702         switch (fh->type) {
 703         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 704                 return RESOURCE_VIDEO;
 705         case V4L2_BUF_TYPE_VBI_CAPTURE:
 706                 return RESOURCE_VBI;
 707         default:
 708                 BUG();
 709                 return 0;
 710         }
 711 }
 712
 713 static int video_open(struct inode *inode, struct file *file)
 714 {
 715         int minor = iminor(inode);
 716         struct cx8800_dev *h,*dev = NULL;
 717         struct cx88_core *core;
 718         struct cx8800_fh *fh;
 719         struct list_head *list;
 720         enum v4l2_buf_type type = 0;
 721         int radio = 0;
 722
 723         list_for_each(list,&cx8800_devlist) {
 724                 h = list_entry(list, struct cx8800_dev, devlist);
 725                 if (h->video_dev->minor == minor) {
 726                         dev  = h;
 727                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 728                 }
 729                 if (h->vbi_dev->minor == minor) {
 730                         dev  = h;
 731                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 732                 }
 733                 if (h->radio_dev &&
 734                     h->radio_dev->minor == minor) {
 735                         radio = 1;
 736                         dev   = h;
 737                 }
 738         }
 739         if (NULL == dev)
 740                 return -ENODEV;
 741
 742         core = dev->core;
 743
 744         dprintk(1,"open minor=%d radio=%d type=%s\n",
 745                 minor,radio,v4l2_type_names[type]);
 746
 747         /* allocate + initialize per filehandle data */
 748         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
 749         if (NULL == fh)
 750                 return -ENOMEM;
 751         memset(fh,0,sizeof(*fh));
 752         file->private_data = fh;
 753         fh->dev      = dev;
 754         fh->radio    = radio;
 755         fh->type     = type;
 756         fh->width    = 320;
 757         fh->height   = 240;
 758         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 759
 760         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
 761                             dev->pci, &dev->slock,
 762                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 763                             V4L2_FIELD_INTERLACED,
 764                             sizeof(struct cx88_buffer),
 765                             fh);
 766         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 767                             dev->pci, &dev->slock,
 768                             V4L2_BUF_TYPE_VBI_CAPTURE,
 769                             V4L2_FIELD_SEQ_TB,
 770                             sizeof(struct cx88_buffer),
 771                             fh);
 772
 773         if (fh->radio) {
 774                 int board = core->board;
 775                 dprintk(1,"video_open: setting radio device\n");
 776                 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
 777                 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
 778                 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
 779                 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
 780                 core->tvaudio = WW_FM;
 781                 cx88_set_tvaudio(core);
 782                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 783                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 784         }
 785
 786         return 0;
 787 }
 788
 789 static ssize_t
 790 video_read(struct file *file, char *data, size_t count, loff_t *ppos)
 791 {
 792         struct cx8800_fh *fh = file->private_data;
 793
 794         switch (fh->type) {
 795         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 796                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 797                         return -EBUSY;
 798                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 799                                          file->f_flags & O_NONBLOCK);
 800         case V4L2_BUF_TYPE_VBI_CAPTURE:
 801                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 802                         return -EBUSY;
 803                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 804                                             file->f_flags & O_NONBLOCK);
 805         default:
 806                 BUG();
 807                 return 0;
 808         }
 809 }
 810
 811 static unsigned int
 812 video_poll(struct file *file, struct poll_table_struct *wait)
 813 {
 814         struct cx8800_fh *fh = file->private_data;
 815         struct cx88_buffer *buf;
 816
 817         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 818                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 819                         return POLLERR;
 820                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 821         }
 822
 823         if (res_check(fh,RESOURCE_VIDEO)) {
 824                 /* streaming capture */
 825                 if (list_empty(&fh->vidq.stream))
 826                         return POLLERR;
 827                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 828         } else {
 829                 /* read() capture */
 830                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 831                 if (NULL == buf)
 832                         return POLLERR;
 833         }
 834         poll_wait(file, &buf->vb.done, wait);
 835         if (buf->vb.state == STATE_DONE ||
 836             buf->vb.state == STATE_ERROR)
 837                 return POLLIN|POLLRDNORM;
 838         return 0;
 839 }
 840
 841 static int video_release(struct inode *inode, struct file *file)
 842 {
 843         struct cx8800_fh  *fh  = file->private_data;
 844         struct cx8800_dev *dev = fh->dev;
 845
 846         /* turn off overlay */
 847         if (res_check(fh, RESOURCE_OVERLAY)) {
 848                 /* FIXME */
 849                 res_free(dev,fh,RESOURCE_OVERLAY);
 850         }
 851
 852         /* stop video capture */
 853         if (res_check(fh, RESOURCE_VIDEO)) {
 854                 videobuf_queue_cancel(&fh->vidq);
 855                 res_free(dev,fh,RESOURCE_VIDEO);
 856         }
 857         if (fh->vidq.read_buf) {
 858                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 859                 kfree(fh->vidq.read_buf);
 860         }
 861
 862         /* stop vbi capture */
 863         if (res_check(fh, RESOURCE_VBI)) {
 864                 if (fh->vbiq.streaming)
 865                         videobuf_streamoff(&fh->vbiq);
 866                 if (fh->vbiq.reading)
 867                         videobuf_read_stop(&fh->vbiq);
 868                 res_free(dev,fh,RESOURCE_VBI);
 869         }
 870
 871         videobuf_mmap_free(&fh->vidq);
 872         videobuf_mmap_free(&fh->vbiq);
 873         file->private_data = NULL;
 874         kfree(fh);
 875
 876         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 877
 878         return 0;
 879 }
 880
 881 static int
 882 video_mmap(struct file *file, struct vm_area_struct * vma)
 883 {
 884         struct cx8800_fh *fh = file->private_data;
 885
 886         return videobuf_mmap_mapper(get_queue(fh), vma);
 887 }
 888
 889 /* ------------------------------------------------------------------ */
 890
 891 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 892 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
 893 {
 894         /* struct cx88_core *core = dev->core; */
 895         struct cx88_ctrl *c = NULL;
 896         u32 value;
 897         int i;
 898
 899         for (i = 0; i < CX8800_CTLS; i++)
 900                 if (cx8800_ctls[i].v.id == ctl->id)
 901                         c = &cx8800_ctls[i];
 902         if (NULL == c)
 903                 return -EINVAL;
 904
 905         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 906         switch (ctl->id) {
 907         case V4L2_CID_AUDIO_BALANCE:
 908                 ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f));
 909                 break;
 910         case V4L2_CID_AUDIO_VOLUME:
 911                 ctl->value = 0x3f - (value & 0x3f);
 912                 break;
 913         default:
 914                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 915                 break;
 916         }
 917         return 0;
 918 }
 919
 920 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 921 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
 922 {
 923         /* struct cx88_core *core = dev->core; */
 924         struct cx88_ctrl *c = NULL;
 925         u32 v_sat_value;
 926         u32 value;
 927         int i;
 928
 929         for (i = 0; i < CX8800_CTLS; i++)
 930                 if (cx8800_ctls[i].v.id == ctl->id)
 931                         c = &cx8800_ctls[i];
 932         if (NULL == c)
 933                 return -EINVAL;
 934
 935         if (ctl->value < c->v.minimum)
 936                 ctl->value = c->v.minimum;
 937         if (ctl->value > c->v.maximum)
 938                 ctl->value = c->v.maximum;
 939         switch (ctl->id) {
 940         case V4L2_CID_AUDIO_BALANCE:
 941                 value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value;
 942                 break;
 943         case V4L2_CID_AUDIO_VOLUME:
 944                 value = 0x3f - (ctl->value & 0x3f);
 945                 break;
 946         case V4L2_CID_SATURATION:
 947                 /* special v_sat handling */
 948                 v_sat_value = ctl->value - (0x7f - 0x5a);
 949                 if (v_sat_value > 0xff)
 950                         v_sat_value = 0xff;
 951                 if (v_sat_value < 0x00)
 952                         v_sat_value = 0x00;
 953                 cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8);
 954                 /* fall through to default route for u_sat */
 955         default:
 956                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 957                 break;
 958         }
 959         dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n",
 960                 ctl->id, c->reg, value, c->sreg ? " [shadowed]" : "");
 961         if (c->sreg) {
 962                 cx_sandor(c->sreg, c->reg, c->mask, value);
 963         } else {
 964                 cx_andor(c->reg, c->mask, value);
 965         }
 966         return 0;
 967 }
 968
 969 /* static void init_controls(struct cx8800_dev *dev) */
 970 static void init_controls(struct cx88_core *core)
 971 {
 972         static struct v4l2_control mute = {
 973                 .id    = V4L2_CID_AUDIO_MUTE,
 974                 .value = 1,
 975         };
 976         static struct v4l2_control volume = {
 977                 .id    = V4L2_CID_AUDIO_VOLUME,
 978                 .value = 0x3f,
 979         };
 980         static struct v4l2_control hue = {
 981                 .id    = V4L2_CID_HUE,
 982                 .value = 0x80,
 983         };
 984         static struct v4l2_control contrast = {
 985                 .id    = V4L2_CID_CONTRAST,
 986                 .value = 0x80,
 987         };
 988         static struct v4l2_control brightness = {
 989                 .id    = V4L2_CID_BRIGHTNESS,
 990                 .value = 0x80,
 991         };
 992
 993         set_control(core,&mute);
 994         set_control(core,&volume);
 995         set_control(core,&hue);
 996         set_control(core,&contrast);
 997         set_control(core,&brightness);
 998 }
 999
1000 /* ------------------------------------------------------------------ */
1001
1002 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1003                         struct v4l2_format *f)
1004 {
1005         switch (f->type) {
1006         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1007                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1008                 f->fmt.pix.width        = fh->width;
1009                 f->fmt.pix.height       = fh->height;
1010                 f->fmt.pix.field        = fh->vidq.field;
1011                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1012                 f->fmt.pix.bytesperline =
1013                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1014                 f->fmt.pix.sizeimage =
1015                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1016                 return 0;
1017         case V4L2_BUF_TYPE_VBI_CAPTURE:
1018                 cx8800_vbi_fmt(dev, f);
1019                 return 0;
1020         default:
1021                 return -EINVAL;
1022         }
1023 }
1024
1025 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1026                           struct v4l2_format *f)
1027 {
1028         struct cx88_core *core = dev->core;
1029
1030         switch (f->type) {
1031         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1032         {
1033                 struct cx8800_fmt *fmt;
1034                 enum v4l2_field field;
1035                 unsigned int maxw, maxh;
1036
1037                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1038                 if (NULL == fmt)
1039                         return -EINVAL;
1040
1041                 field = f->fmt.pix.field;
1042                 maxw  = norm_maxw(core->tvnorm);
1043                 maxh  = norm_maxh(core->tvnorm);
1044
1045                 if (V4L2_FIELD_ANY == field) {
1046                         field = (f->fmt.pix.height > maxh/2)
1047                                 ? V4L2_FIELD_INTERLACED
1048                                 : V4L2_FIELD_BOTTOM;
1049                 }
1050
1051                 switch (field) {
1052                 case V4L2_FIELD_TOP:
1053                 case V4L2_FIELD_BOTTOM:
1054                         maxh = maxh / 2;
1055                         break;
1056                 case V4L2_FIELD_INTERLACED:
1057                         break;
1058                 default:
1059                         return -EINVAL;
1060                 }
1061
1062                 f->fmt.pix.field = field;
1063                 if (f->fmt.pix.height < 32)
1064                         f->fmt.pix.height = 32;
1065                 if (f->fmt.pix.height > maxh)
1066                         f->fmt.pix.height = maxh;
1067                 if (f->fmt.pix.width < 48)
1068                         f->fmt.pix.width = 48;
1069                 if (f->fmt.pix.width > maxw)
1070                         f->fmt.pix.width = maxw;
1071                 f->fmt.pix.width &= ~0x03;
1072                 f->fmt.pix.bytesperline =
1073                         (f->fmt.pix.width * fmt->depth) >> 3;
1074                 f->fmt.pix.sizeimage =
1075                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1076
1077                 return 0;
1078         }
1079         case V4L2_BUF_TYPE_VBI_CAPTURE:
1080                 cx8800_vbi_fmt(dev, f);
1081                 return 0;
1082         default:
1083                 return -EINVAL;
1084         }
1085 }
1086
1087 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1088                         struct v4l2_format *f)
1089 {
1090         int err;
1091
1092         switch (f->type) {
1093         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1094                 err = cx8800_try_fmt(dev,fh,f);
1095                 if (0 != err)
1096                         return err;
1097
1098                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1099                 fh->width      = f->fmt.pix.width;
1100                 fh->height     = f->fmt.pix.height;
1101                 fh->vidq.field = f->fmt.pix.field;
1102                 return 0;
1103         case V4L2_BUF_TYPE_VBI_CAPTURE:
1104                 cx8800_vbi_fmt(dev, f);
1105                 return 0;
1106         default:
1107                 return -EINVAL;
1108         }
1109 }
1110
1111 /*
1112  * This function is _not_ called directly, but from
1113  * video_generic_ioctl (and maybe others).  userspace
1114  * copying is done already, arg is a kernel pointer.
1115  */
1116 static int video_do_ioctl(struct inode *inode, struct file *file,
1117                           unsigned int cmd, void *arg)
1118 {
1119         struct cx8800_fh  *fh   = file->private_data;
1120         struct cx8800_dev *dev  = fh->dev;
1121         struct cx88_core  *core = dev->core;
1122         int err;
1123
1124         if (video_debug > 1)
1125                 cx88_print_ioctl(core->name,cmd);
1126         switch (cmd) {
1127
1128         /* --- capabilities ------------------------------------------ */
1129         case VIDIOC_QUERYCAP:
1130         {
1131                 struct v4l2_capability *cap = arg;
1132
1133                 memset(cap,0,sizeof(*cap));
1134                 strcpy(cap->driver, "cx8800");
1135                 strlcpy(cap->card, cx88_boards[core->board].name,
1136                         sizeof(cap->card));
1137                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1138                 cap->version = CX88_VERSION_CODE;
1139                 cap->capabilities =
1140                         V4L2_CAP_VIDEO_CAPTURE |
1141                         V4L2_CAP_READWRITE     |
1142                         V4L2_CAP_STREAMING     |
1143                         V4L2_CAP_VBI_CAPTURE   |
1144                         V4L2_CAP_VIDEO_OVERLAY |
1145                         0;
1146                 if (UNSET != core->tuner_type)
1147                         cap->capabilities |= V4L2_CAP_TUNER;
1148                 return 0;
1149         }
1150
1151         /* --- capture ioctls ---------------------------------------- */
1152         case VIDIOC_ENUM_FMT:
1153         {
1154                 struct v4l2_fmtdesc *f = arg;
1155                 enum v4l2_buf_type type;
1156                 unsigned int index;
1157
1158                 index = f->index;
1159                 type  = f->type;
1160                 switch (type) {
1161                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1162                         if (index >= ARRAY_SIZE(formats))
1163                                 return -EINVAL;
1164                         memset(f,0,sizeof(*f));
1165                         f->index = index;
1166                         f->type  = type;
1167                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1168                         f->pixelformat = formats[index].fourcc;
1169                         break;
1170                 default:
1171                         return -EINVAL;
1172                 }
1173                 return 0;
1174         }
1175         case VIDIOC_G_FMT:
1176         {
1177                 struct v4l2_format *f = arg;
1178                 return cx8800_g_fmt(dev,fh,f);
1179         }
1180         case VIDIOC_S_FMT:
1181         {
1182                 struct v4l2_format *f = arg;
1183                 return cx8800_s_fmt(dev,fh,f);
1184         }
1185         case VIDIOC_TRY_FMT:
1186         {
1187                 struct v4l2_format *f = arg;
1188                 return cx8800_try_fmt(dev,fh,f);
1189         }
1190
1191         /* --- streaming capture ------------------------------------- */
1192         case VIDIOCGMBUF:
1193         {
1194                 struct video_mbuf *mbuf = arg;
1195                 struct videobuf_queue *q;
1196                 struct v4l2_requestbuffers req;
1197                 unsigned int i;
1198
1199                 q = get_queue(fh);
1200                 memset(&req,0,sizeof(req));
1201                 req.type   = q->type;
1202                 req.count  = 8;
1203                 req.memory = V4L2_MEMORY_MMAP;
1204                 err = videobuf_reqbufs(q,&req);
1205                 if (err < 0)
1206                         return err;
1207                 memset(mbuf,0,sizeof(*mbuf));
1208                 mbuf->frames = req.count;
1209                 mbuf->size   = 0;
1210                 for (i = 0; i < mbuf->frames; i++) {
1211                         mbuf->offsets[i]  = q->bufs[i]->boff;
1212                         mbuf->size       += q->bufs[i]->bsize;
1213                 }
1214                 return 0;
1215         }
1216         case VIDIOC_REQBUFS:
1217                 return videobuf_reqbufs(get_queue(fh), arg);
1218
1219         case VIDIOC_QUERYBUF:
1220                 return videobuf_querybuf(get_queue(fh), arg);
1221
1222         case VIDIOC_QBUF:
1223                 return videobuf_qbuf(get_queue(fh), arg);
1224
1225         case VIDIOC_DQBUF:
1226                 return videobuf_dqbuf(get_queue(fh), arg,
1227                                         file->f_flags & O_NONBLOCK);
1228
1229         case VIDIOC_STREAMON:
1230         {
1231                 int res = get_ressource(fh);
1232
1233                 if (!res_get(dev,fh,res))
1234                         return -EBUSY;
1235                 return videobuf_streamon(get_queue(fh));
1236         }
1237         case VIDIOC_STREAMOFF:
1238         {
1239                 int res = get_ressource(fh);
1240
1241                 err = videobuf_streamoff(get_queue(fh));
1242                 if (err < 0)
1243                         return err;
1244                 res_free(dev,fh,res);
1245                 return 0;
1246         }
1247
1248         default:
1249                 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1250         }
1251         return 0;
1252 }
1253
1254 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1255                   struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1256 {
1257         int err;
1258
1259         if (video_debug > 1)
1260                 cx88_print_ioctl(core->name,cmd);
1261         printk( KERN_INFO "CORE IOCTL: 0x%x\n", cmd );
1262         cx88_print_ioctl(core->name,cmd);
1263         dprintk( 1, "CORE IOCTL: 0x%x\n", cmd );
1264
1265         switch (cmd) {
1266         /* ---------- tv norms ---------- */
1267         case VIDIOC_ENUMSTD:
1268         {
1269                 struct v4l2_standard *e = arg;
1270                 unsigned int i;
1271
1272                 i = e->index;
1273                 if (i >= ARRAY_SIZE(tvnorms))
1274                         return -EINVAL;
1275                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1276                                                tvnorms[e->index].name);
1277                 e->index = i;
1278                 if (err < 0)
1279                         return err;
1280                 return 0;
1281         }
1282         case VIDIOC_G_STD:
1283         {
1284                 v4l2_std_id *id = arg;
1285
1286                 *id = core->tvnorm->id;
1287                 return 0;
1288         }
1289         case VIDIOC_S_STD:
1290         {
1291                 v4l2_std_id *id = arg;
1292                 unsigned int i;
1293
1294                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1295                         if (*id & tvnorms[i].id)
1296                                 break;
1297                 if (i == ARRAY_SIZE(tvnorms))
1298                         return -EINVAL;
1299
1300                 down(&core->lock);
1301                 cx88_set_tvnorm(core,&tvnorms[i]);
1302                 up(&core->lock);
1303                 return 0;
1304         }
1305
1306         /* ------ input switching ---------- */
1307         case VIDIOC_ENUMINPUT:
1308         {
1309                 static const char *iname[] = {
1310                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1311                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1312                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1313                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1314                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1315                         [ CX88_VMUX_TELEVISION ] = "Television",
1316                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1317                         [ CX88_VMUX_DVB        ] = "DVB",
1318                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1319                 };
1320                 struct v4l2_input *i = arg;
1321                 unsigned int n;
1322
1323                 n = i->index;
1324                 if (n >= 4)
1325                         return -EINVAL;
1326                 if (0 == INPUT(n)->type)
1327                         return -EINVAL;
1328                 memset(i,0,sizeof(*i));
1329                 i->index = n;
1330                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1331                 strcpy(i->name,iname[INPUT(n)->type]);
1332                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1333                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1334                         i->type = V4L2_INPUT_TYPE_TUNER;
1335                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1336                         i->std |= tvnorms[n].id;
1337                 return 0;
1338         }
1339         case VIDIOC_G_INPUT:
1340         {
1341                 unsigned int *i = arg;
1342
1343                 *i = core->input;
1344                 return 0;
1345         }
1346         case VIDIOC_S_INPUT:
1347         {
1348                 unsigned int *i = arg;
1349
1350                 if (*i >= 4)
1351                         return -EINVAL;
1352                 down(&core->lock);
1353                 cx88_newstation(core);
1354                 video_mux(core,*i);
1355                 up(&core->lock);
1356                 return 0;
1357         }
1358
1359
1360
1361         /* --- controls ---------------------------------------------- */
1362         case VIDIOC_QUERYCTRL:
1363         {
1364                 struct v4l2_queryctrl *c = arg;
1365                 int i;
1366
1367                 if (c->id <  V4L2_CID_BASE ||
1368                     c->id >= V4L2_CID_LASTP1)
1369                         return -EINVAL;
1370                 for (i = 0; i < CX8800_CTLS; i++)
1371                         if (cx8800_ctls[i].v.id == c->id)
1372                                 break;
1373                 if (i == CX8800_CTLS) {
1374                         *c = no_ctl;
1375                         return 0;
1376                 }
1377                 *c = cx8800_ctls[i].v;
1378                 return 0;
1379         }
1380         case VIDIOC_G_CTRL:
1381                 return get_control(core,arg);
1382         case VIDIOC_S_CTRL:
1383                 return set_control(core,arg);
1384
1385         /* --- tuner ioctls ------------------------------------------ */
1386         case VIDIOC_G_TUNER:
1387         {
1388                 struct v4l2_tuner *t = arg;
1389                 u32 reg;
1390
1391                 if (UNSET == core->tuner_type)
1392                         return -EINVAL;
1393                 if (0 != t->index)
1394                         return -EINVAL;
1395
1396                 memset(t,0,sizeof(*t));
1397                 strcpy(t->name, "Television");
1398                 t->type       = V4L2_TUNER_ANALOG_TV;
1399                 t->capability = V4L2_TUNER_CAP_NORM;
1400                 t->rangehigh  = 0xffffffffUL;
1401
1402                 cx88_get_stereo(core ,t);
1403                 reg = cx_read(MO_DEVICE_STATUS);
1404                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1405                 return 0;
1406         }
1407         case VIDIOC_S_TUNER:
1408         {
1409                 struct v4l2_tuner *t = arg;
1410
1411                 if (UNSET == core->tuner_type)
1412                         return -EINVAL;
1413                 if (0 != t->index)
1414                         return -EINVAL;
1415                 cx88_set_stereo(core, t->audmode, 1);
1416                 return 0;
1417         }
1418         case VIDIOC_G_FREQUENCY:
1419         {
1420                 struct v4l2_frequency *f = arg;
1421
1422                 memset(f,0,sizeof(*f));
1423
1424                 if (UNSET == core->tuner_type)
1425                         return -EINVAL;
1426
1427                 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1428                 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1429                 f->frequency = core->freq;
1430
1431                 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1432
1433                 return 0;
1434         }
1435         case VIDIOC_S_FREQUENCY:
1436         {
1437                 struct v4l2_frequency *f = arg;
1438
1439                 if (UNSET == core->tuner_type)
1440                         return -EINVAL;
1441                 if (f->tuner != 0)
1442                         return -EINVAL;
1443                 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1444                         return -EINVAL;
1445                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1446                         return -EINVAL;
1447                 down(&core->lock);
1448                 core->freq = f->frequency;
1449                 cx88_newstation(core);
1450                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1451
1452                 /* When changing channels it is required to reset TVAUDIO */
1453                 msleep (10);
1454                 cx88_set_tvaudio(core);
1455
1456                 up(&core->lock);
1457                 return 0;
1458         }
1459
1460         default:
1461                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1462                                                   driver_ioctl);
1463         }
1464         return 0;
1465 }
1466
1467 static int video_ioctl(struct inode *inode, struct file *file,
1468                        unsigned int cmd, unsigned long arg)
1469 {
1470         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1471 }
1472
1473 /* ----------------------------------------------------------- */
1474
1475 static int radio_do_ioctl(struct inode *inode, struct file *file,
1476                         unsigned int cmd, void *arg)
1477 {
1478         struct cx8800_fh *fh    = file->private_data;
1479         struct cx8800_dev *dev  = fh->dev;
1480         struct cx88_core  *core = dev->core;
1481
1482         if (video_debug > 1)
1483                 cx88_print_ioctl(core->name,cmd);
1484
1485         switch (cmd) {
1486         case VIDIOC_QUERYCAP:
1487         {
1488                 struct v4l2_capability *cap = arg;
1489
1490                 memset(cap,0,sizeof(*cap));
1491                 strcpy(cap->driver, "cx8800");
1492                 strlcpy(cap->card, cx88_boards[core->board].name,
1493                         sizeof(cap->card));
1494                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1495                 cap->version = CX88_VERSION_CODE;
1496                 cap->capabilities = V4L2_CAP_TUNER;
1497                 return 0;
1498         }
1499         case VIDIOC_G_TUNER:
1500         {
1501                 struct v4l2_tuner *t = arg;
1502
1503                 if (t->index > 0)
1504                         return -EINVAL;
1505
1506                 memset(t,0,sizeof(*t));
1507                 strcpy(t->name, "Radio");
1508
1509                 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1510                 return 0;
1511         }
1512         case VIDIOC_ENUMINPUT:
1513         {
1514                 struct v4l2_input *i = arg;
1515
1516                 if (i->index != 0)
1517                         return -EINVAL;
1518                 strcpy(i->name,"Radio");
1519                 i->type = V4L2_INPUT_TYPE_TUNER;
1520                 return 0;
1521         }
1522         case VIDIOC_G_INPUT:
1523         {
1524                 int *i = arg;
1525                 *i = 0;
1526                 return 0;
1527         }
1528         case VIDIOC_G_AUDIO:
1529         {
1530                 struct v4l2_audio *a = arg;
1531
1532                 memset(a,0,sizeof(*a));
1533                 strcpy(a->name,"Radio");
1534                 return 0;
1535         }
1536         case VIDIOC_G_STD:
1537         {
1538                 v4l2_std_id *id = arg;
1539                 *id = 0;
1540                 return 0;
1541         }
1542         case VIDIOCSTUNER:
1543         {
1544                 struct video_tuner *v = arg;
1545
1546                 if (v->tuner) /* Only tuner 0 */
1547                         return -EINVAL;
1548
1549                 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1550                 return 0;
1551         }
1552         case VIDIOC_S_TUNER:
1553         {
1554                 struct v4l2_tuner *t = arg;
1555
1556                 if (0 != t->index)
1557                         return -EINVAL;
1558
1559                 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1560
1561                 return 0;
1562         }
1563
1564         case VIDIOC_S_AUDIO:
1565         case VIDIOC_S_INPUT:
1566         case VIDIOC_S_STD:
1567                 return 0;
1568
1569         case VIDIOC_QUERYCTRL:
1570         {
1571                 struct v4l2_queryctrl *c = arg;
1572                 int i;
1573
1574                 if (c->id <  V4L2_CID_BASE ||
1575                     c->id >= V4L2_CID_LASTP1)
1576                         return -EINVAL;
1577                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1578                         for (i = 0; i < CX8800_CTLS; i++)
1579                                 if (cx8800_ctls[i].v.id == c->id)
1580                                         break;
1581                         *c = cx8800_ctls[i].v;
1582                 } else
1583                         *c = no_ctl;
1584                 return 0;
1585         }
1586
1587
1588         case VIDIOC_G_CTRL:
1589         case VIDIOC_S_CTRL:
1590         case VIDIOC_G_FREQUENCY:
1591         case VIDIOC_S_FREQUENCY:
1592                 return video_do_ioctl(inode,file,cmd,arg);
1593
1594         default:
1595                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1596                                                   radio_do_ioctl);
1597         }
1598         return 0;
1599 };
1600
1601 static int radio_ioctl(struct inode *inode, struct file *file,
1602                         unsigned int cmd, unsigned long arg)
1603 {
1604         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1605 };
1606
1607 /* ----------------------------------------------------------- */
1608
1609 static void cx8800_vid_timeout(unsigned long data)
1610 {
1611         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1612         struct cx88_core *core = dev->core;
1613         struct cx88_dmaqueue *q = &dev->vidq;
1614         struct cx88_buffer *buf;
1615         unsigned long flags;
1616
1617         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1618
1619         cx_clear(MO_VID_DMACNTRL, 0x11);
1620         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1621
1622         spin_lock_irqsave(&dev->slock,flags);
1623         while (!list_empty(&q->active)) {
1624                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1625                 list_del(&buf->vb.queue);
1626                 buf->vb.state = STATE_ERROR;
1627                 wake_up(&buf->vb.done);
1628                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1629                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1630         }
1631         restart_video_queue(dev,q);
1632         spin_unlock_irqrestore(&dev->slock,flags);
1633 }
1634
1635 static char *cx88_vid_irqs[32] = {
1636         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1637         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1638         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1639         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1640         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1641 };
1642
1643 static void cx8800_vid_irq(struct cx8800_dev *dev)
1644 {
1645         struct cx88_core *core = dev->core;
1646         u32 status, mask, count;
1647
1648         status = cx_read(MO_VID_INTSTAT);
1649         mask   = cx_read(MO_VID_INTMSK);
1650         if (0 == (status & mask))
1651                 return;
1652         cx_write(MO_VID_INTSTAT, status);
1653         if (irq_debug  ||  (status & mask & ~0xff))
1654                 cx88_print_irqbits(core->name, "irq vid",
1655                                    cx88_vid_irqs, status, mask);
1656
1657         /* risc op code error */
1658         if (status & (1 << 16)) {
1659                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1660                 cx_clear(MO_VID_DMACNTRL, 0x11);
1661                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1662                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1663         }
1664
1665         /* risc1 y */
1666         if (status & 0x01) {
1667                 spin_lock(&dev->slock);
1668                 count = cx_read(MO_VIDY_GPCNT);
1669                 cx88_wakeup(core, &dev->vidq, count);
1670                 spin_unlock(&dev->slock);
1671         }
1672
1673         /* risc1 vbi */
1674         if (status & 0x08) {
1675                 spin_lock(&dev->slock);
1676                 count = cx_read(MO_VBI_GPCNT);
1677                 cx88_wakeup(core, &dev->vbiq, count);
1678                 spin_unlock(&dev->slock);
1679         }
1680
1681         /* risc2 y */
1682         if (status & 0x10) {
1683                 dprintk(2,"stopper video\n");
1684                 spin_lock(&dev->slock);
1685                 restart_video_queue(dev,&dev->vidq);
1686                 spin_unlock(&dev->slock);
1687         }
1688
1689         /* risc2 vbi */
1690         if (status & 0x80) {
1691                 dprintk(2,"stopper vbi\n");
1692                 spin_lock(&dev->slock);
1693                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1694                 spin_unlock(&dev->slock);
1695         }
1696 }
1697
1698 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1699 {
1700         struct cx8800_dev *dev = dev_id;
1701         struct cx88_core *core = dev->core;
1702         u32 status;
1703         int loop, handled = 0;
1704
1705         for (loop = 0; loop < 10; loop++) {
1706                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1707                 if (0 == status)
1708                         goto out;
1709                 cx_write(MO_PCI_INTSTAT, status);
1710                 handled = 1;
1711
1712                 if (status & core->pci_irqmask)
1713                         cx88_core_irq(core,status);
1714                 if (status & 0x01)
1715                         cx8800_vid_irq(dev);
1716         };
1717         if (10 == loop) {
1718                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1719                        core->name);
1720                 cx_write(MO_PCI_INTMSK,0);
1721         }
1722
1723  out:
1724         return IRQ_RETVAL(handled);
1725 }
1726
1727 /* ----------------------------------------------------------- */
1728 /* exported stuff                                              */
1729
1730 static struct file_operations video_fops =
1731 {
1732         .owner         = THIS_MODULE,
1733         .open          = video_open,
1734         .release       = video_release,
1735         .read          = video_read,
1736         .poll          = video_poll,
1737         .mmap          = video_mmap,
1738         .ioctl         = video_ioctl,
1739         .llseek        = no_llseek,
1740 };
1741
1742 static struct video_device cx8800_video_template =
1743 {
1744         .name          = "cx8800-video",
1745         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1746         .hardware      = 0,
1747         .fops          = &video_fops,
1748         .minor         = -1,
1749 };
1750
1751 static struct video_device cx8800_vbi_template =
1752 {
1753         .name          = "cx8800-vbi",
1754         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1755         .hardware      = 0,
1756         .fops          = &video_fops,
1757         .minor         = -1,
1758 };
1759
1760 static struct file_operations radio_fops =
1761 {
1762         .owner         = THIS_MODULE,
1763         .open          = video_open,
1764         .release       = video_release,
1765         .ioctl         = radio_ioctl,
1766         .llseek        = no_llseek,
1767 };
1768
1769 static struct video_device cx8800_radio_template =
1770 {
1771         .name          = "cx8800-radio",
1772         .type          = VID_TYPE_TUNER,
1773         .hardware      = 0,
1774         .fops          = &radio_fops,
1775         .minor         = -1,
1776 };
1777
1778 /* ----------------------------------------------------------- */
1779
1780 static void cx8800_unregister_video(struct cx8800_dev *dev)
1781 {
1782         if (dev->radio_dev) {
1783                 if (-1 != dev->radio_dev->minor)
1784                         video_unregister_device(dev->radio_dev);
1785                 else
1786                         video_device_release(dev->radio_dev);
1787                 dev->radio_dev = NULL;
1788         }
1789         if (dev->vbi_dev) {
1790                 if (-1 != dev->vbi_dev->minor)
1791                         video_unregister_device(dev->vbi_dev);
1792                 else
1793                         video_device_release(dev->vbi_dev);
1794                 dev->vbi_dev = NULL;
1795         }
1796         if (dev->video_dev) {
1797                 if (-1 != dev->video_dev->minor)
1798                         video_unregister_device(dev->video_dev);
1799                 else
1800                         video_device_release(dev->video_dev);
1801                 dev->video_dev = NULL;
1802         }
1803 }
1804
1805 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1806                                     const struct pci_device_id *pci_id)
1807 {
1808         struct cx8800_dev *dev;
1809         struct cx88_core *core;
1810         int err;
1811
1812         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
1813         if (NULL == dev)
1814                 return -ENOMEM;
1815         memset(dev,0,sizeof(*dev));
1816
1817         /* pci init */
1818         dev->pci = pci_dev;
1819         if (pci_enable_device(pci_dev)) {
1820                 err = -EIO;
1821                 goto fail_free;
1822         }
1823         core = cx88_core_get(dev->pci);
1824         if (NULL == core) {
1825                 err = -EINVAL;
1826                 goto fail_free;
1827         }
1828         dev->core = core;
1829
1830         /* print pci info */
1831         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1832         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1833         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1834                "latency: %d, mmio: 0x%lx\n", core->name,
1835                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1836                dev->pci_lat,pci_resource_start(pci_dev,0));
1837
1838         pci_set_master(pci_dev);
1839         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1840                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1841                 err = -EIO;
1842                 goto fail_core;
1843         }
1844
1845         /* initialize driver struct */
1846         spin_lock_init(&dev->slock);
1847         core->tvnorm = tvnorms;
1848
1849         /* init video dma queues */
1850         INIT_LIST_HEAD(&dev->vidq.active);
1851         INIT_LIST_HEAD(&dev->vidq.queued);
1852         dev->vidq.timeout.function = cx8800_vid_timeout;
1853         dev->vidq.timeout.data     = (unsigned long)dev;
1854         init_timer(&dev->vidq.timeout);
1855         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1856                           MO_VID_DMACNTRL,0x11,0x00);
1857
1858         /* init vbi dma queues */
1859         INIT_LIST_HEAD(&dev->vbiq.active);
1860         INIT_LIST_HEAD(&dev->vbiq.queued);
1861         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1862         dev->vbiq.timeout.data     = (unsigned long)dev;
1863         init_timer(&dev->vbiq.timeout);
1864         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1865                           MO_VID_DMACNTRL,0x88,0x00);
1866
1867         /* get irq */
1868         err = request_irq(pci_dev->irq, cx8800_irq,
1869                           SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1870         if (err < 0) {
1871                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1872                        core->name,pci_dev->irq);
1873                 goto fail_core;
1874         }
1875         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1876
1877         /* load and configure helper modules */
1878         if (TUNER_ABSENT != core->tuner_type)
1879                 request_module("tuner");
1880         if (core->tda9887_conf)
1881                 request_module("tda9887");
1882
1883         /* register v4l devices */
1884         dev->video_dev = cx88_vdev_init(core,dev->pci,
1885                                         &cx8800_video_template,"video");
1886         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1887                                     video_nr[core->nr]);
1888         if (err < 0) {
1889                 printk(KERN_INFO "%s: can't register video device\n",
1890                        core->name);
1891                 goto fail_unreg;
1892         }
1893         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1894                core->name,dev->video_dev->minor & 0x1f);
1895
1896         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1897         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1898                                     vbi_nr[core->nr]);
1899         if (err < 0) {
1900                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1901                        core->name);
1902                 goto fail_unreg;
1903         }
1904         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1905                core->name,dev->vbi_dev->minor & 0x1f);
1906
1907         if (core->has_radio) {
1908                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1909                                                 &cx8800_radio_template,"radio");
1910                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1911                                             radio_nr[core->nr]);
1912                 if (err < 0) {
1913                         printk(KERN_INFO "%s/0: can't register radio device\n",
1914                                core->name);
1915                         goto fail_unreg;
1916                 }
1917                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1918                        core->name,dev->radio_dev->minor & 0x1f);
1919         }
1920
1921         /* everything worked */
1922         list_add_tail(&dev->devlist,&cx8800_devlist);
1923         pci_set_drvdata(pci_dev,dev);
1924
1925         /* initial device configuration */
1926         down(&core->lock);
1927         init_controls(core);
1928         cx88_set_tvnorm(core,tvnorms);
1929         video_mux(core,0);
1930         up(&core->lock);
1931
1932         /* start tvaudio thread */
1933         if (core->tuner_type != TUNER_ABSENT)
1934                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1935         return 0;
1936
1937 fail_unreg:
1938         cx8800_unregister_video(dev);
1939         free_irq(pci_dev->irq, dev);
1940 fail_core:
1941         cx88_core_put(core,dev->pci);
1942 fail_free:
1943         kfree(dev);
1944         return err;
1945 }
1946
1947 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1948 {
1949         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1950         struct cx88_core *core = dev->core;
1951
1952         /* stop thread */
1953         if (core->kthread) {
1954                 kthread_stop(core->kthread);
1955                 core->kthread = NULL;
1956         }
1957
1958         cx88_shutdown(core); /* FIXME */
1959         pci_disable_device(pci_dev);
1960
1961         /* unregister stuff */
1962
1963         free_irq(pci_dev->irq, dev);
1964         cx8800_unregister_video(dev);
1965         pci_set_drvdata(pci_dev, NULL);
1966
1967         /* free memory */
1968         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1969         list_del(&dev->devlist);
1970         cx88_core_put(core,dev->pci);
1971         kfree(dev);
1972 }
1973
1974 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1975 {
1976         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1977         struct cx88_core *core = dev->core;
1978
1979         /* stop video+vbi capture */
1980         spin_lock(&dev->slock);
1981         if (!list_empty(&dev->vidq.active)) {
1982                 printk("%s: suspend video\n", core->name);
1983                 stop_video_dma(dev);
1984                 del_timer(&dev->vidq.timeout);
1985         }
1986         if (!list_empty(&dev->vbiq.active)) {
1987                 printk("%s: suspend vbi\n", core->name);
1988                 cx8800_stop_vbi_dma(dev);
1989                 del_timer(&dev->vbiq.timeout);
1990         }
1991         spin_unlock(&dev->slock);
1992
1993         /* FIXME -- shutdown device */
1994         cx88_shutdown(core);
1995
1996         pci_save_state(pci_dev);
1997         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1998                 pci_disable_device(pci_dev);
1999                 dev->state.disabled = 1;
2000         }
2001         return 0;
2002 }
2003
2004 static int cx8800_resume(struct pci_dev *pci_dev)
2005 {
2006         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2007         struct cx88_core *core = dev->core;
2008         int err;
2009
2010         if (dev->state.disabled) {
2011                 err=pci_enable_device(pci_dev);
2012                 if (err) {
2013                         printk(KERN_ERR "%s: can't enable device\n",
2014                                                        core->name);
2015                         return err;
2016                 }
2017
2018                 dev->state.disabled = 0;
2019         }
2020         err= pci_set_power_state(pci_dev, PCI_D0);
2021         if (err) {
2022                 printk(KERN_ERR "%s: can't enable device\n",
2023                                        core->name);
2024
2025                 pci_disable_device(pci_dev);
2026                 dev->state.disabled = 1;
2027
2028                 return err;
2029         }
2030         pci_restore_state(pci_dev);
2031
2032         /* FIXME: re-initialize hardware */
2033         cx88_reset(core);
2034
2035         /* restart video+vbi capture */
2036         spin_lock(&dev->slock);
2037         if (!list_empty(&dev->vidq.active)) {
2038                 printk("%s: resume video\n", core->name);
2039                 restart_video_queue(dev,&dev->vidq);
2040         }
2041         if (!list_empty(&dev->vbiq.active)) {
2042                 printk("%s: resume vbi\n", core->name);
2043                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2044         }
2045         spin_unlock(&dev->slock);
2046
2047         return 0;
2048 }
2049
2050 /* ----------------------------------------------------------- */
2051
2052 static struct pci_device_id cx8800_pci_tbl[] = {
2053         {
2054                 .vendor       = 0x14f1,
2055                 .device       = 0x8800,
2056                 .subvendor    = PCI_ANY_ID,
2057                 .subdevice    = PCI_ANY_ID,
2058         },{
2059                 /* --- end of list --- */
2060         }
2061 };
2062 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2063
2064 static struct pci_driver cx8800_pci_driver = {
2065         .name     = "cx8800",
2066         .id_table = cx8800_pci_tbl,
2067         .probe    = cx8800_initdev,
2068         .remove   = __devexit_p(cx8800_finidev),
2069
2070         .suspend  = cx8800_suspend,
2071         .resume   = cx8800_resume,
2072 };
2073
2074 static int cx8800_init(void)
2075 {
2076         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2077                (CX88_VERSION_CODE >> 16) & 0xff,
2078                (CX88_VERSION_CODE >>  8) & 0xff,
2079                CX88_VERSION_CODE & 0xff);
2080 #ifdef SNAPSHOT
2081         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2082                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2083 #endif
2084         return pci_register_driver(&cx8800_pci_driver);
2085 }
2086
2087 static void cx8800_fini(void)
2088 {
2089         pci_unregister_driver(&cx8800_pci_driver);
2090 }
2091
2092 module_init(cx8800_init);
2093 module_exit(cx8800_fini);
2094
2095 EXPORT_SYMBOL(cx88_do_ioctl);
2096
2097 /* ----------------------------------------------------------- */
2098 /*
2099  * Local variables:
2100  * c-basic-offset: 8
2101  * End:
2102  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
2103  */