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  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/dma-mapping.h>
  36 #include <linux/delay.h>
  37 #include <linux/kthread.h>
  38 #include <asm/div64.h>
  39
  40 #include "cx88.h"
  41 #include <media/v4l2-common.h>
  42
  43 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  44 /* Include V4L1 specific functions. Should be removed soon */
  45 #include <linux/videodev.h>
  46 #endif
  47
  48 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  49 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  50 MODULE_LICENSE("GPL");
  51
  52 /* ------------------------------------------------------------------ */
  53
  54 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  55 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  57
  58 module_param_array(video_nr, int, NULL, 0444);
  59 module_param_array(vbi_nr,   int, NULL, 0444);
  60 module_param_array(radio_nr, int, NULL, 0444);
  61
  62 MODULE_PARM_DESC(video_nr,"video device numbers");
  63 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  64 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  65
  66 static unsigned int video_debug = 0;
  67 module_param(video_debug,int,0644);
  68 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  69
  70 static unsigned int irq_debug = 0;
  71 module_param(irq_debug,int,0644);
  72 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  73
  74 static unsigned int vid_limit = 16;
  75 module_param(vid_limit,int,0644);
  76 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  77
  78 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  79         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  80
  81 /* ------------------------------------------------------------------ */
  82
  83 static LIST_HEAD(cx8800_devlist);
  84
  85 /* ------------------------------------------------------------------- */
  86 /* static data                                                         */
  87
  88 static struct cx8800_fmt formats[] = {
  89         {
  90                 .name     = "8 bpp, gray",
  91                 .fourcc   = V4L2_PIX_FMT_GREY,
  92                 .cxformat = ColorFormatY8,
  93                 .depth    = 8,
  94                 .flags    = FORMAT_FLAGS_PACKED,
  95         },{
  96                 .name     = "15 bpp RGB, le",
  97                 .fourcc   = V4L2_PIX_FMT_RGB555,
  98                 .cxformat = ColorFormatRGB15,
  99                 .depth    = 16,
 100                 .flags    = FORMAT_FLAGS_PACKED,
 101         },{
 102                 .name     = "15 bpp RGB, be",
 103                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 104                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 105                 .depth    = 16,
 106                 .flags    = FORMAT_FLAGS_PACKED,
 107         },{
 108                 .name     = "16 bpp RGB, le",
 109                 .fourcc   = V4L2_PIX_FMT_RGB565,
 110                 .cxformat = ColorFormatRGB16,
 111                 .depth    = 16,
 112                 .flags    = FORMAT_FLAGS_PACKED,
 113         },{
 114                 .name     = "16 bpp RGB, be",
 115                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 116                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 117                 .depth    = 16,
 118                 .flags    = FORMAT_FLAGS_PACKED,
 119         },{
 120                 .name     = "24 bpp RGB, le",
 121                 .fourcc   = V4L2_PIX_FMT_BGR24,
 122                 .cxformat = ColorFormatRGB24,
 123                 .depth    = 24,
 124                 .flags    = FORMAT_FLAGS_PACKED,
 125         },{
 126                 .name     = "32 bpp RGB, le",
 127                 .fourcc   = V4L2_PIX_FMT_BGR32,
 128                 .cxformat = ColorFormatRGB32,
 129                 .depth    = 32,
 130                 .flags    = FORMAT_FLAGS_PACKED,
 131         },{
 132                 .name     = "32 bpp RGB, be",
 133                 .fourcc   = V4L2_PIX_FMT_RGB32,
 134                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 135                 .depth    = 32,
 136                 .flags    = FORMAT_FLAGS_PACKED,
 137         },{
 138                 .name     = "4:2:2, packed, YUYV",
 139                 .fourcc   = V4L2_PIX_FMT_YUYV,
 140                 .cxformat = ColorFormatYUY2,
 141                 .depth    = 16,
 142                 .flags    = FORMAT_FLAGS_PACKED,
 143         },{
 144                 .name     = "4:2:2, packed, UYVY",
 145                 .fourcc   = V4L2_PIX_FMT_UYVY,
 146                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 147                 .depth    = 16,
 148                 .flags    = FORMAT_FLAGS_PACKED,
 149         },
 150 };
 151
 152 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 153 {
 154         unsigned int i;
 155
 156         for (i = 0; i < ARRAY_SIZE(formats); i++)
 157                 if (formats[i].fourcc == fourcc)
 158                         return formats+i;
 159         return NULL;
 160 }
 161
 162 /* ------------------------------------------------------------------- */
 163
 164 static const struct v4l2_queryctrl no_ctl = {
 165         .name  = "42",
 166         .flags = V4L2_CTRL_FLAG_DISABLED,
 167 };
 168
 169 static struct cx88_ctrl cx8800_ctls[] = {
 170         /* --- video --- */
 171         {
 172                 .v = {
 173                         .id            = V4L2_CID_BRIGHTNESS,
 174                         .name          = "Brightness",
 175                         .minimum       = 0x00,
 176                         .maximum       = 0xff,
 177                         .step          = 1,
 178                         .default_value = 0x7f,
 179                         .type          = V4L2_CTRL_TYPE_INTEGER,
 180                 },
 181                 .off                   = 128,
 182                 .reg                   = MO_CONTR_BRIGHT,
 183                 .mask                  = 0x00ff,
 184                 .shift                 = 0,
 185         },{
 186                 .v = {
 187                         .id            = V4L2_CID_CONTRAST,
 188                         .name          = "Contrast",
 189                         .minimum       = 0,
 190                         .maximum       = 0xff,
 191                         .step          = 1,
 192                         .default_value = 0x3f,
 193                         .type          = V4L2_CTRL_TYPE_INTEGER,
 194                 },
 195                 .off                   = 0,
 196                 .reg                   = MO_CONTR_BRIGHT,
 197                 .mask                  = 0xff00,
 198                 .shift                 = 8,
 199         },{
 200                 .v = {
 201                         .id            = V4L2_CID_HUE,
 202                         .name          = "Hue",
 203                         .minimum       = 0,
 204                         .maximum       = 0xff,
 205                         .step          = 1,
 206                         .default_value = 0x7f,
 207                         .type          = V4L2_CTRL_TYPE_INTEGER,
 208                 },
 209                 .off                   = 128,
 210                 .reg                   = MO_HUE,
 211                 .mask                  = 0x00ff,
 212                 .shift                 = 0,
 213         },{
 214                 /* strictly, this only describes only U saturation.
 215                  * V saturation is handled specially through code.
 216                  */
 217                 .v = {
 218                         .id            = V4L2_CID_SATURATION,
 219                         .name          = "Saturation",
 220                         .minimum       = 0,
 221                         .maximum       = 0xff,
 222                         .step          = 1,
 223                         .default_value = 0x7f,
 224                         .type          = V4L2_CTRL_TYPE_INTEGER,
 225                 },
 226                 .off                   = 0,
 227                 .reg                   = MO_UV_SATURATION,
 228                 .mask                  = 0x00ff,
 229                 .shift                 = 0,
 230         },{
 231         /* --- audio --- */
 232                 .v = {
 233                         .id            = V4L2_CID_AUDIO_MUTE,
 234                         .name          = "Mute",
 235                         .minimum       = 0,
 236                         .maximum       = 1,
 237                         .default_value = 1,
 238                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 239                 },
 240                 .reg                   = AUD_VOL_CTL,
 241                 .sreg                  = SHADOW_AUD_VOL_CTL,
 242                 .mask                  = (1 << 6),
 243                 .shift                 = 6,
 244         },{
 245                 .v = {
 246                         .id            = V4L2_CID_AUDIO_VOLUME,
 247                         .name          = "Volume",
 248                         .minimum       = 0,
 249                         .maximum       = 0x3f,
 250                         .step          = 1,
 251                         .default_value = 0x3f,
 252                         .type          = V4L2_CTRL_TYPE_INTEGER,
 253                 },
 254                 .reg                   = AUD_VOL_CTL,
 255                 .sreg                  = SHADOW_AUD_VOL_CTL,
 256                 .mask                  = 0x3f,
 257                 .shift                 = 0,
 258         },{
 259                 .v = {
 260                         .id            = V4L2_CID_AUDIO_BALANCE,
 261                         .name          = "Balance",
 262                         .minimum       = 0,
 263                         .maximum       = 0x7f,
 264                         .step          = 1,
 265                         .default_value = 0x40,
 266                         .type          = V4L2_CTRL_TYPE_INTEGER,
 267                 },
 268                 .reg                   = AUD_BAL_CTL,
 269                 .sreg                  = SHADOW_AUD_BAL_CTL,
 270                 .mask                  = 0x7f,
 271                 .shift                 = 0,
 272         }
 273 };
 274 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 275
 276 const u32 cx88_user_ctrls[] = {
 277         V4L2_CID_USER_CLASS,
 278         V4L2_CID_BRIGHTNESS,
 279         V4L2_CID_CONTRAST,
 280         V4L2_CID_SATURATION,
 281         V4L2_CID_HUE,
 282         V4L2_CID_AUDIO_VOLUME,
 283         V4L2_CID_AUDIO_BALANCE,
 284         V4L2_CID_AUDIO_MUTE,
 285         0
 286 };
 287 EXPORT_SYMBOL(cx88_user_ctrls);
 288
 289 static const u32 *ctrl_classes[] = {
 290         cx88_user_ctrls,
 291         NULL
 292 };
 293
 294 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
 295 {
 296         int i;
 297
 298         if (qctrl->id < V4L2_CID_BASE ||
 299             qctrl->id >= V4L2_CID_LASTP1)
 300                 return -EINVAL;
 301         for (i = 0; i < CX8800_CTLS; i++)
 302                 if (cx8800_ctls[i].v.id == qctrl->id)
 303                         break;
 304         if (i == CX8800_CTLS) {
 305                 *qctrl = no_ctl;
 306                 return 0;
 307         }
 308         *qctrl = cx8800_ctls[i].v;
 309         return 0;
 310 }
 311 EXPORT_SYMBOL(cx8800_ctrl_query);
 312
 313 /* ------------------------------------------------------------------- */
 314 /* resource management                                                 */
 315
 316 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 317 {
 318         struct cx88_core *core = dev->core;
 319         if (fh->resources & bit)
 320                 /* have it already allocated */
 321                 return 1;
 322
 323         /* is it free? */
 324         mutex_lock(&core->lock);
 325         if (dev->resources & bit) {
 326                 /* no, someone else uses it */
 327                 mutex_unlock(&core->lock);
 328                 return 0;
 329         }
 330         /* it's free, grab it */
 331         fh->resources  |= bit;
 332         dev->resources |= bit;
 333         dprintk(1,"res: get %d\n",bit);
 334         mutex_unlock(&core->lock);
 335         return 1;
 336 }
 337
 338 static
 339 int res_check(struct cx8800_fh *fh, unsigned int bit)
 340 {
 341         return (fh->resources & bit);
 342 }
 343
 344 static
 345 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 346 {
 347         return (dev->resources & bit);
 348 }
 349
 350 static
 351 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 352 {
 353         struct cx88_core *core = dev->core;
 354         BUG_ON((fh->resources & bits) != bits);
 355
 356         mutex_lock(&core->lock);
 357         fh->resources  &= ~bits;
 358         dev->resources &= ~bits;
 359         dprintk(1,"res: put %d\n",bits);
 360         mutex_unlock(&core->lock);
 361 }
 362
 363 /* ------------------------------------------------------------------ */
 364
 365 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 366 {
 367         /* struct cx88_core *core = dev->core; */
 368
 369         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 370                 input, INPUT(input).vmux,
 371                 INPUT(input).gpio0,INPUT(input).gpio1,
 372                 INPUT(input).gpio2,INPUT(input).gpio3);
 373         core->input = input;
 374         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 375         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 376         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 377         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 378         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 379
 380         switch (INPUT(input).type) {
 381         case CX88_VMUX_SVIDEO:
 382                 cx_set(MO_AFECFG_IO,    0x00000001);
 383                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 384                 cx_set(MO_FILTER_EVEN,  0x00002020);
 385                 cx_set(MO_FILTER_ODD,   0x00002020);
 386                 break;
 387         default:
 388                 cx_clear(MO_AFECFG_IO,    0x00000001);
 389                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 390                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 391                 cx_clear(MO_FILTER_ODD,   0x00002020);
 392                 break;
 393         }
 394
 395         if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {
 396                 /* sets sound input from external adc */
 397                 if (INPUT(input).extadc)
 398                         cx_set(AUD_CTL, EN_I2SIN_ENABLE);
 399                 else
 400                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 401         }
 402         return 0;
 403 }
 404 EXPORT_SYMBOL(cx88_video_mux);
 405
 406 /* ------------------------------------------------------------------ */
 407
 408 static int start_video_dma(struct cx8800_dev    *dev,
 409                            struct cx88_dmaqueue *q,
 410                            struct cx88_buffer   *buf)
 411 {
 412         struct cx88_core *core = dev->core;
 413
 414         /* setup fifo + format */
 415         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 416                                 buf->bpl, buf->risc.dma);
 417         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 418         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 419
 420         /* reset counter */
 421         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 422         q->count = 1;
 423
 424         /* enable irqs */
 425         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 426
 427         /* Enables corresponding bits at PCI_INT_STAT:
 428                 bits 0 to 4: video, audio, transport stream, VIP, Host
 429                 bit 7: timer
 430                 bits 8 and 9: DMA complete for: SRC, DST
 431                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 432                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 433          */
 434         cx_set(MO_VID_INTMSK, 0x0f0011);
 435
 436         /* enable capture */
 437         cx_set(VID_CAPTURE_CONTROL,0x06);
 438
 439         /* start dma */
 440         cx_set(MO_DEV_CNTRL2, (1<<5));
 441         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 442
 443         return 0;
 444 }
 445
 446 #ifdef CONFIG_PM
 447 static int stop_video_dma(struct cx8800_dev    *dev)
 448 {
 449         struct cx88_core *core = dev->core;
 450
 451         /* stop dma */
 452         cx_clear(MO_VID_DMACNTRL, 0x11);
 453
 454         /* disable capture */
 455         cx_clear(VID_CAPTURE_CONTROL,0x06);
 456
 457         /* disable irqs */
 458         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 459         cx_clear(MO_VID_INTMSK, 0x0f0011);
 460         return 0;
 461 }
 462 #endif
 463
 464 static int restart_video_queue(struct cx8800_dev    *dev,
 465                                struct cx88_dmaqueue *q)
 466 {
 467         struct cx88_core *core = dev->core;
 468         struct cx88_buffer *buf, *prev;
 469         struct list_head *item;
 470
 471         if (!list_empty(&q->active)) {
 472                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 473                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 474                         buf, buf->vb.i);
 475                 start_video_dma(dev, q, buf);
 476                 list_for_each(item,&q->active) {
 477                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 478                         buf->count    = q->count++;
 479                 }
 480                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 481                 return 0;
 482         }
 483
 484         prev = NULL;
 485         for (;;) {
 486                 if (list_empty(&q->queued))
 487                         return 0;
 488                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 489                 if (NULL == prev) {
 490                         list_move_tail(&buf->vb.queue, &q->active);
 491                         start_video_dma(dev, q, buf);
 492                         buf->vb.state = STATE_ACTIVE;
 493                         buf->count    = q->count++;
 494                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 495                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 496                                 buf,buf->vb.i);
 497
 498                 } else if (prev->vb.width  == buf->vb.width  &&
 499                            prev->vb.height == buf->vb.height &&
 500                            prev->fmt       == buf->fmt) {
 501                         list_move_tail(&buf->vb.queue, &q->active);
 502                         buf->vb.state = STATE_ACTIVE;
 503                         buf->count    = q->count++;
 504                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 505                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 506                                 buf,buf->vb.i);
 507                 } else {
 508                         return 0;
 509                 }
 510                 prev = buf;
 511         }
 512 }
 513
 514 /* ------------------------------------------------------------------ */
 515
 516 static int
 517 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 518 {
 519         struct cx8800_fh *fh = q->priv_data;
 520
 521         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 522         if (0 == *count)
 523                 *count = 32;
 524         while (*size * *count > vid_limit * 1024 * 1024)
 525                 (*count)--;
 526         return 0;
 527 }
 528
 529 static int
 530 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 531                enum v4l2_field field)
 532 {
 533         struct cx8800_fh   *fh  = q->priv_data;
 534         struct cx8800_dev  *dev = fh->dev;
 535         struct cx88_core *core = dev->core;
 536         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 537         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 538         int rc, init_buffer = 0;
 539
 540         BUG_ON(NULL == fh->fmt);
 541         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 542             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 543                 return -EINVAL;
 544         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 545         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 546                 return -EINVAL;
 547
 548         if (buf->fmt       != fh->fmt    ||
 549             buf->vb.width  != fh->width  ||
 550             buf->vb.height != fh->height ||
 551             buf->vb.field  != field) {
 552                 buf->fmt       = fh->fmt;
 553                 buf->vb.width  = fh->width;
 554                 buf->vb.height = fh->height;
 555                 buf->vb.field  = field;
 556                 init_buffer = 1;
 557         }
 558
 559         if (STATE_NEEDS_INIT == buf->vb.state) {
 560                 init_buffer = 1;
 561                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 562                         goto fail;
 563         }
 564
 565         if (init_buffer) {
 566                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 567                 switch (buf->vb.field) {
 568                 case V4L2_FIELD_TOP:
 569                         cx88_risc_buffer(dev->pci, &buf->risc,
 570                                          dma->sglist, 0, UNSET,
 571                                          buf->bpl, 0, buf->vb.height);
 572                         break;
 573                 case V4L2_FIELD_BOTTOM:
 574                         cx88_risc_buffer(dev->pci, &buf->risc,
 575                                          dma->sglist, UNSET, 0,
 576                                          buf->bpl, 0, buf->vb.height);
 577                         break;
 578                 case V4L2_FIELD_INTERLACED:
 579                         cx88_risc_buffer(dev->pci, &buf->risc,
 580                                          dma->sglist, 0, buf->bpl,
 581                                          buf->bpl, buf->bpl,
 582                                          buf->vb.height >> 1);
 583                         break;
 584                 case V4L2_FIELD_SEQ_TB:
 585                         cx88_risc_buffer(dev->pci, &buf->risc,
 586                                          dma->sglist,
 587                                          0, buf->bpl * (buf->vb.height >> 1),
 588                                          buf->bpl, 0,
 589                                          buf->vb.height >> 1);
 590                         break;
 591                 case V4L2_FIELD_SEQ_BT:
 592                         cx88_risc_buffer(dev->pci, &buf->risc,
 593                                          dma->sglist,
 594                                          buf->bpl * (buf->vb.height >> 1), 0,
 595                                          buf->bpl, 0,
 596                                          buf->vb.height >> 1);
 597                         break;
 598                 default:
 599                         BUG();
 600                 }
 601         }
 602         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 603                 buf, buf->vb.i,
 604                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 605                 (unsigned long)buf->risc.dma);
 606
 607         buf->vb.state = STATE_PREPARED;
 608         return 0;
 609
 610  fail:
 611         cx88_free_buffer(q,buf);
 612         return rc;
 613 }
 614
 615 static void
 616 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 617 {
 618         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 619         struct cx88_buffer    *prev;
 620         struct cx8800_fh      *fh   = vq->priv_data;
 621         struct cx8800_dev     *dev  = fh->dev;
 622         struct cx88_core      *core = dev->core;
 623         struct cx88_dmaqueue  *q    = &dev->vidq;
 624
 625         /* add jump to stopper */
 626         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 627         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 628
 629         if (!list_empty(&q->queued)) {
 630                 list_add_tail(&buf->vb.queue,&q->queued);
 631                 buf->vb.state = STATE_QUEUED;
 632                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 633                         buf, buf->vb.i);
 634
 635         } else if (list_empty(&q->active)) {
 636                 list_add_tail(&buf->vb.queue,&q->active);
 637                 start_video_dma(dev, q, buf);
 638                 buf->vb.state = STATE_ACTIVE;
 639                 buf->count    = q->count++;
 640                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 641                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 642                         buf, buf->vb.i);
 643
 644         } else {
 645                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 646                 if (prev->vb.width  == buf->vb.width  &&
 647                     prev->vb.height == buf->vb.height &&
 648                     prev->fmt       == buf->fmt) {
 649                         list_add_tail(&buf->vb.queue,&q->active);
 650                         buf->vb.state = STATE_ACTIVE;
 651                         buf->count    = q->count++;
 652                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 653                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 654                                 buf, buf->vb.i);
 655
 656                 } else {
 657                         list_add_tail(&buf->vb.queue,&q->queued);
 658                         buf->vb.state = STATE_QUEUED;
 659                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 660                                 buf, buf->vb.i);
 661                 }
 662         }
 663 }
 664
 665 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 666 {
 667         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 668
 669         cx88_free_buffer(q,buf);
 670 }
 671
 672 static struct videobuf_queue_ops cx8800_video_qops = {
 673         .buf_setup    = buffer_setup,
 674         .buf_prepare  = buffer_prepare,
 675         .buf_queue    = buffer_queue,
 676         .buf_release  = buffer_release,
 677 };
 678
 679 /* ------------------------------------------------------------------ */
 680
 681
 682 /* ------------------------------------------------------------------ */
 683
 684 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 685 {
 686         switch (fh->type) {
 687         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 688                 return &fh->vidq;
 689         case V4L2_BUF_TYPE_VBI_CAPTURE:
 690                 return &fh->vbiq;
 691         default:
 692                 BUG();
 693                 return NULL;
 694         }
 695 }
 696
 697 static int get_ressource(struct cx8800_fh *fh)
 698 {
 699         switch (fh->type) {
 700         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 701                 return RESOURCE_VIDEO;
 702         case V4L2_BUF_TYPE_VBI_CAPTURE:
 703                 return RESOURCE_VBI;
 704         default:
 705                 BUG();
 706                 return 0;
 707         }
 708 }
 709
 710 static int video_open(struct inode *inode, struct file *file)
 711 {
 712         int minor = iminor(inode);
 713         struct cx8800_dev *h,*dev = NULL;
 714         struct cx88_core *core;
 715         struct cx8800_fh *fh;
 716         struct list_head *list;
 717         enum v4l2_buf_type type = 0;
 718         int radio = 0;
 719
 720         list_for_each(list,&cx8800_devlist) {
 721                 h = list_entry(list, struct cx8800_dev, devlist);
 722                 if (h->video_dev->minor == minor) {
 723                         dev  = h;
 724                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 725                 }
 726                 if (h->vbi_dev->minor == minor) {
 727                         dev  = h;
 728                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 729                 }
 730                 if (h->radio_dev &&
 731                     h->radio_dev->minor == minor) {
 732                         radio = 1;
 733                         dev   = h;
 734                 }
 735         }
 736         if (NULL == dev)
 737                 return -ENODEV;
 738
 739         core = dev->core;
 740
 741         dprintk(1,"open minor=%d radio=%d type=%s\n",
 742                 minor,radio,v4l2_type_names[type]);
 743
 744         /* allocate + initialize per filehandle data */
 745         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 746         if (NULL == fh)
 747                 return -ENOMEM;
 748         file->private_data = fh;
 749         fh->dev      = dev;
 750         fh->radio    = radio;
 751         fh->type     = type;
 752         fh->width    = 320;
 753         fh->height   = 240;
 754         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 755
 756         videobuf_queue_pci_init(&fh->vidq, &cx8800_video_qops,
 757                             dev->pci, &dev->slock,
 758                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 759                             V4L2_FIELD_INTERLACED,
 760                             sizeof(struct cx88_buffer),
 761                             fh);
 762         videobuf_queue_pci_init(&fh->vbiq, &cx8800_vbi_qops,
 763                             dev->pci, &dev->slock,
 764                             V4L2_BUF_TYPE_VBI_CAPTURE,
 765                             V4L2_FIELD_SEQ_TB,
 766                             sizeof(struct cx88_buffer),
 767                             fh);
 768
 769         if (fh->radio) {
 770                 dprintk(1,"video_open: setting radio device\n");
 771                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 772                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 773                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 774                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 775                 core->tvaudio = WW_FM;
 776                 cx88_set_tvaudio(core);
 777                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 778                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 779         }
 780
 781         return 0;
 782 }
 783
 784 static ssize_t
 785 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 786 {
 787         struct cx8800_fh *fh = file->private_data;
 788
 789         switch (fh->type) {
 790         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 791                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 792                         return -EBUSY;
 793                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 794                                          file->f_flags & O_NONBLOCK);
 795         case V4L2_BUF_TYPE_VBI_CAPTURE:
 796                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 797                         return -EBUSY;
 798                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 799                                             file->f_flags & O_NONBLOCK);
 800         default:
 801                 BUG();
 802                 return 0;
 803         }
 804 }
 805
 806 static unsigned int
 807 video_poll(struct file *file, struct poll_table_struct *wait)
 808 {
 809         struct cx8800_fh *fh = file->private_data;
 810         struct cx88_buffer *buf;
 811
 812         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 813                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 814                         return POLLERR;
 815                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 816         }
 817
 818         if (res_check(fh,RESOURCE_VIDEO)) {
 819                 /* streaming capture */
 820                 if (list_empty(&fh->vidq.stream))
 821                         return POLLERR;
 822                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 823         } else {
 824                 /* read() capture */
 825                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 826                 if (NULL == buf)
 827                         return POLLERR;
 828         }
 829         poll_wait(file, &buf->vb.done, wait);
 830         if (buf->vb.state == STATE_DONE ||
 831             buf->vb.state == STATE_ERROR)
 832                 return POLLIN|POLLRDNORM;
 833         return 0;
 834 }
 835
 836 static int video_release(struct inode *inode, struct file *file)
 837 {
 838         struct cx8800_fh  *fh  = file->private_data;
 839         struct cx8800_dev *dev = fh->dev;
 840
 841         /* turn off overlay */
 842         if (res_check(fh, RESOURCE_OVERLAY)) {
 843                 /* FIXME */
 844                 res_free(dev,fh,RESOURCE_OVERLAY);
 845         }
 846
 847         /* stop video capture */
 848         if (res_check(fh, RESOURCE_VIDEO)) {
 849                 videobuf_queue_cancel(&fh->vidq);
 850                 res_free(dev,fh,RESOURCE_VIDEO);
 851         }
 852         if (fh->vidq.read_buf) {
 853                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 854                 kfree(fh->vidq.read_buf);
 855         }
 856
 857         /* stop vbi capture */
 858         if (res_check(fh, RESOURCE_VBI)) {
 859                 if (fh->vbiq.streaming)
 860                         videobuf_streamoff(&fh->vbiq);
 861                 if (fh->vbiq.reading)
 862                         videobuf_read_stop(&fh->vbiq);
 863                 res_free(dev,fh,RESOURCE_VBI);
 864         }
 865
 866         videobuf_mmap_free(&fh->vidq);
 867         videobuf_mmap_free(&fh->vbiq);
 868         file->private_data = NULL;
 869         kfree(fh);
 870
 871         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 872
 873         return 0;
 874 }
 875
 876 static int
 877 video_mmap(struct file *file, struct vm_area_struct * vma)
 878 {
 879         struct cx8800_fh *fh = file->private_data;
 880
 881         return videobuf_mmap_mapper(get_queue(fh), vma);
 882 }
 883
 884 /* ------------------------------------------------------------------ */
 885 /* VIDEO CTRL IOCTLS                                                  */
 886
 887 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 888 {
 889         struct cx88_ctrl  *c    = NULL;
 890         u32 value;
 891         int i;
 892
 893         for (i = 0; i < CX8800_CTLS; i++)
 894                 if (cx8800_ctls[i].v.id == ctl->id)
 895                         c = &cx8800_ctls[i];
 896         if (unlikely(NULL == c))
 897                 return -EINVAL;
 898
 899         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 900         switch (ctl->id) {
 901         case V4L2_CID_AUDIO_BALANCE:
 902                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 903                                         : (0x7f - (value & 0x7f));
 904                 break;
 905         case V4L2_CID_AUDIO_VOLUME:
 906                 ctl->value = 0x3f - (value & 0x3f);
 907                 break;
 908         default:
 909                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 910                 break;
 911         }
 912         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 913                                 ctl->id, c->v.name, ctl->value, c->reg,
 914                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 915         return 0;
 916 }
 917 EXPORT_SYMBOL(cx88_get_control);
 918
 919 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 920 {
 921         struct cx88_ctrl *c = NULL;
 922         u32 value,mask;
 923         int i;
 924
 925         for (i = 0; i < CX8800_CTLS; i++) {
 926                 if (cx8800_ctls[i].v.id == ctl->id) {
 927                         c = &cx8800_ctls[i];
 928                 }
 929         }
 930         if (unlikely(NULL == c))
 931                 return -EINVAL;
 932
 933         if (ctl->value < c->v.minimum)
 934                 ctl->value = c->v.minimum;
 935         if (ctl->value > c->v.maximum)
 936                 ctl->value = c->v.maximum;
 937         mask=c->mask;
 938         switch (ctl->id) {
 939         case V4L2_CID_AUDIO_BALANCE:
 940                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 941                 break;
 942         case V4L2_CID_AUDIO_VOLUME:
 943                 value = 0x3f - (ctl->value & 0x3f);
 944                 break;
 945         case V4L2_CID_SATURATION:
 946                 /* special v_sat handling */
 947
 948                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 949
 950                 if (core->tvnorm & V4L2_STD_SECAM) {
 951                         /* For SECAM, both U and V sat should be equal */
 952                         value=value<<8|value;
 953                 } else {
 954                         /* Keeps U Saturation proportional to V Sat */
 955                         value=(value*0x5a)/0x7f<<8|value;
 956                 }
 957                 mask=0xffff;
 958                 break;
 959         default:
 960                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 961                 break;
 962         }
 963         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 964                                 ctl->id, c->v.name, ctl->value, c->reg, value,
 965                                 mask, c->sreg ? " [shadowed]" : "");
 966         if (c->sreg) {
 967                 cx_sandor(c->sreg, c->reg, mask, value);
 968         } else {
 969                 cx_andor(c->reg, mask, value);
 970         }
 971         return 0;
 972 }
 973 EXPORT_SYMBOL(cx88_set_control);
 974
 975 static void init_controls(struct cx88_core *core)
 976 {
 977         struct v4l2_control ctrl;
 978         int i;
 979
 980         for (i = 0; i < CX8800_CTLS; i++) {
 981                 ctrl.id=cx8800_ctls[i].v.id;
 982                 ctrl.value=cx8800_ctls[i].v.default_value;
 983
 984                 cx88_set_control(core, &ctrl);
 985         }
 986 }
 987
 988 /* ------------------------------------------------------------------ */
 989 /* VIDEO IOCTLS                                                       */
 990
 991 static int vidioc_g_fmt_cap (struct file *file, void *priv,
 992                                         struct v4l2_format *f)
 993 {
 994         struct cx8800_fh  *fh   = priv;
 995
 996         f->fmt.pix.width        = fh->width;
 997         f->fmt.pix.height       = fh->height;
 998         f->fmt.pix.field        = fh->vidq.field;
 999         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1000         f->fmt.pix.bytesperline =
1001                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1002         f->fmt.pix.sizeimage =
1003                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1004         return 0;
1005 }
1006
1007 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1008                         struct v4l2_format *f)
1009 {
1010         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1011         struct cx8800_fmt *fmt;
1012         enum v4l2_field   field;
1013         unsigned int      maxw, maxh;
1014
1015         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1016         if (NULL == fmt)
1017                 return -EINVAL;
1018
1019         field = f->fmt.pix.field;
1020         maxw  = norm_maxw(core->tvnorm);
1021         maxh  = norm_maxh(core->tvnorm);
1022
1023         if (V4L2_FIELD_ANY == field) {
1024                 field = (f->fmt.pix.height > maxh/2)
1025                         ? V4L2_FIELD_INTERLACED
1026                         : V4L2_FIELD_BOTTOM;
1027         }
1028
1029         switch (field) {
1030         case V4L2_FIELD_TOP:
1031         case V4L2_FIELD_BOTTOM:
1032                 maxh = maxh / 2;
1033                 break;
1034         case V4L2_FIELD_INTERLACED:
1035                 break;
1036         default:
1037                 return -EINVAL;
1038         }
1039
1040         f->fmt.pix.field = field;
1041         if (f->fmt.pix.height < 32)
1042                 f->fmt.pix.height = 32;
1043         if (f->fmt.pix.height > maxh)
1044                 f->fmt.pix.height = maxh;
1045         if (f->fmt.pix.width < 48)
1046                 f->fmt.pix.width = 48;
1047         if (f->fmt.pix.width > maxw)
1048                 f->fmt.pix.width = maxw;
1049         f->fmt.pix.width &= ~0x03;
1050         f->fmt.pix.bytesperline =
1051                 (f->fmt.pix.width * fmt->depth) >> 3;
1052         f->fmt.pix.sizeimage =
1053                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1054
1055         return 0;
1056 }
1057
1058 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1059                                         struct v4l2_format *f)
1060 {
1061         struct cx8800_fh  *fh   = priv;
1062         int err = vidioc_try_fmt_cap (file,priv,f);
1063
1064         if (0 != err)
1065                 return err;
1066         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1067         fh->width      = f->fmt.pix.width;
1068         fh->height     = f->fmt.pix.height;
1069         fh->vidq.field = f->fmt.pix.field;
1070         return 0;
1071 }
1072
1073 static int vidioc_querycap (struct file *file, void  *priv,
1074                                         struct v4l2_capability *cap)
1075 {
1076         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1077         struct cx88_core  *core = dev->core;
1078
1079         strcpy(cap->driver, "cx8800");
1080         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1081         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1082         cap->version = CX88_VERSION_CODE;
1083         cap->capabilities =
1084                 V4L2_CAP_VIDEO_CAPTURE |
1085                 V4L2_CAP_READWRITE     |
1086                 V4L2_CAP_STREAMING     |
1087                 V4L2_CAP_VBI_CAPTURE;
1088         if (UNSET != core->board.tuner_type)
1089                 cap->capabilities |= V4L2_CAP_TUNER;
1090         return 0;
1091 }
1092
1093 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
1094                                         struct v4l2_fmtdesc *f)
1095 {
1096         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1097                 return -EINVAL;
1098
1099         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1100         f->pixelformat = formats[f->index].fourcc;
1101
1102         return 0;
1103 }
1104
1105 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1106 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1107 {
1108         struct cx8800_fh           *fh  = priv;
1109
1110         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1111 }
1112 #endif
1113
1114 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1115 {
1116         struct cx8800_fh  *fh   = priv;
1117         return (videobuf_reqbufs(get_queue(fh), p));
1118 }
1119
1120 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1121 {
1122         struct cx8800_fh  *fh   = priv;
1123         return (videobuf_querybuf(get_queue(fh), p));
1124 }
1125
1126 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1127 {
1128         struct cx8800_fh  *fh   = priv;
1129         return (videobuf_qbuf(get_queue(fh), p));
1130 }
1131
1132 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1133 {
1134         struct cx8800_fh  *fh   = priv;
1135         return (videobuf_dqbuf(get_queue(fh), p,
1136                                 file->f_flags & O_NONBLOCK));
1137 }
1138
1139 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1140 {
1141         struct cx8800_fh  *fh   = priv;
1142         struct cx8800_dev *dev  = fh->dev;
1143
1144         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1145                 return -EINVAL;
1146         if (unlikely(i != fh->type))
1147                 return -EINVAL;
1148
1149         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1150                 return -EBUSY;
1151         return videobuf_streamon(get_queue(fh));
1152 }
1153
1154 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1155 {
1156         struct cx8800_fh  *fh   = priv;
1157         struct cx8800_dev *dev  = fh->dev;
1158         int               err, res;
1159
1160         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1161                 return -EINVAL;
1162         if (i != fh->type)
1163                 return -EINVAL;
1164
1165         res = get_ressource(fh);
1166         err = videobuf_streamoff(get_queue(fh));
1167         if (err < 0)
1168                 return err;
1169         res_free(dev,fh,res);
1170         return 0;
1171 }
1172
1173 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1174 {
1175         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1176
1177         mutex_lock(&core->lock);
1178         cx88_set_tvnorm(core,*tvnorms);
1179         mutex_unlock(&core->lock);
1180
1181         return 0;
1182 }
1183
1184 /* only one input in this sample driver */
1185 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1186 {
1187         static const char *iname[] = {
1188                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1189                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1190                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1191                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1192                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1193                 [ CX88_VMUX_TELEVISION ] = "Television",
1194                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1195                 [ CX88_VMUX_DVB        ] = "DVB",
1196                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1197         };
1198         unsigned int n;
1199
1200         n = i->index;
1201         if (n >= 4)
1202                 return -EINVAL;
1203         if (0 == INPUT(n).type)
1204                 return -EINVAL;
1205         memset(i,0,sizeof(*i));
1206         i->index = n;
1207         i->type  = V4L2_INPUT_TYPE_CAMERA;
1208         strcpy(i->name,iname[INPUT(n).type]);
1209         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1210             (CX88_VMUX_CABLE      == INPUT(n).type))
1211                 i->type = V4L2_INPUT_TYPE_TUNER;
1212                 i->std = CX88_NORMS;
1213         return 0;
1214 }
1215 EXPORT_SYMBOL(cx88_enum_input);
1216
1217 static int vidioc_enum_input (struct file *file, void *priv,
1218                                 struct v4l2_input *i)
1219 {
1220         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1221         return cx88_enum_input (core,i);
1222 }
1223
1224 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1225 {
1226         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1227
1228         *i = core->input;
1229         return 0;
1230 }
1231
1232 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1233 {
1234         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1235
1236         if (i >= 4)
1237                 return -EINVAL;
1238
1239         mutex_lock(&core->lock);
1240         cx88_newstation(core);
1241         cx88_video_mux(core,i);
1242         mutex_unlock(&core->lock);
1243         return 0;
1244 }
1245
1246
1247
1248 static int vidioc_queryctrl (struct file *file, void *priv,
1249                                 struct v4l2_queryctrl *qctrl)
1250 {
1251         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1252         if (unlikely(qctrl->id == 0))
1253                 return -EINVAL;
1254         return cx8800_ctrl_query(qctrl);
1255 }
1256
1257 static int vidioc_g_ctrl (struct file *file, void *priv,
1258                                 struct v4l2_control *ctl)
1259 {
1260         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1261         return
1262                 cx88_get_control(core,ctl);
1263 }
1264
1265 static int vidioc_s_ctrl (struct file *file, void *priv,
1266                                 struct v4l2_control *ctl)
1267 {
1268         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1269         return
1270                 cx88_set_control(core,ctl);
1271 }
1272
1273 static int vidioc_g_tuner (struct file *file, void *priv,
1274                                 struct v4l2_tuner *t)
1275 {
1276         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1277         u32 reg;
1278
1279         if (unlikely(UNSET == core->board.tuner_type))
1280                 return -EINVAL;
1281         if (0 != t->index)
1282                 return -EINVAL;
1283
1284         strcpy(t->name, "Television");
1285         t->type       = V4L2_TUNER_ANALOG_TV;
1286         t->capability = V4L2_TUNER_CAP_NORM;
1287         t->rangehigh  = 0xffffffffUL;
1288
1289         cx88_get_stereo(core ,t);
1290         reg = cx_read(MO_DEVICE_STATUS);
1291         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1292         return 0;
1293 }
1294
1295 static int vidioc_s_tuner (struct file *file, void *priv,
1296                                 struct v4l2_tuner *t)
1297 {
1298         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1299
1300         if (UNSET == core->board.tuner_type)
1301                 return -EINVAL;
1302         if (0 != t->index)
1303                 return -EINVAL;
1304
1305         cx88_set_stereo(core, t->audmode, 1);
1306         return 0;
1307 }
1308
1309 static int vidioc_g_frequency (struct file *file, void *priv,
1310                                 struct v4l2_frequency *f)
1311 {
1312         struct cx8800_fh  *fh   = priv;
1313         struct cx88_core  *core = fh->dev->core;
1314
1315         if (unlikely(UNSET == core->board.tuner_type))
1316                 return -EINVAL;
1317
1318         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1319         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1320         f->frequency = core->freq;
1321
1322         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1323
1324         return 0;
1325 }
1326
1327 int cx88_set_freq (struct cx88_core  *core,
1328                                 struct v4l2_frequency *f)
1329 {
1330         if (unlikely(UNSET == core->board.tuner_type))
1331                 return -EINVAL;
1332         if (unlikely(f->tuner != 0))
1333                 return -EINVAL;
1334
1335         mutex_lock(&core->lock);
1336         core->freq = f->frequency;
1337         cx88_newstation(core);
1338         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1339
1340         /* When changing channels it is required to reset TVAUDIO */
1341         msleep (10);
1342         cx88_set_tvaudio(core);
1343
1344         mutex_unlock(&core->lock);
1345
1346         return 0;
1347 }
1348 EXPORT_SYMBOL(cx88_set_freq);
1349
1350 static int vidioc_s_frequency (struct file *file, void *priv,
1351                                 struct v4l2_frequency *f)
1352 {
1353         struct cx8800_fh  *fh   = priv;
1354         struct cx88_core  *core = fh->dev->core;
1355
1356         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1357                 return -EINVAL;
1358         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1359                 return -EINVAL;
1360
1361         return
1362                 cx88_set_freq (core,f);
1363 }
1364
1365 #ifdef CONFIG_VIDEO_ADV_DEBUG
1366 static int vidioc_g_register (struct file *file, void *fh,
1367                                 struct v4l2_register *reg)
1368 {
1369         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1370
1371         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1372                 return -EINVAL;
1373         /* cx2388x has a 24-bit register space */
1374         reg->val = cx_read(reg->reg&0xffffff);
1375         return 0;
1376 }
1377
1378 static int vidioc_s_register (struct file *file, void *fh,
1379                                 struct v4l2_register *reg)
1380 {
1381         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1382
1383         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1384                 return -EINVAL;
1385         cx_write(reg->reg&0xffffff, reg->val);
1386         return 0;
1387 }
1388 #endif
1389
1390 /* ----------------------------------------------------------- */
1391 /* RADIO ESPECIFIC IOCTLS                                      */
1392 /* ----------------------------------------------------------- */
1393
1394 static int radio_querycap (struct file *file, void  *priv,
1395                                         struct v4l2_capability *cap)
1396 {
1397         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1398         struct cx88_core  *core = dev->core;
1399
1400         strcpy(cap->driver, "cx8800");
1401         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1402         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1403         cap->version = CX88_VERSION_CODE;
1404         cap->capabilities = V4L2_CAP_TUNER;
1405         return 0;
1406 }
1407
1408 static int radio_g_tuner (struct file *file, void *priv,
1409                                 struct v4l2_tuner *t)
1410 {
1411         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1412
1413         if (unlikely(t->index > 0))
1414                 return -EINVAL;
1415
1416         strcpy(t->name, "Radio");
1417         t->type = V4L2_TUNER_RADIO;
1418
1419         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1420         return 0;
1421 }
1422
1423 static int radio_enum_input (struct file *file, void *priv,
1424                                 struct v4l2_input *i)
1425 {
1426         if (i->index != 0)
1427                 return -EINVAL;
1428         strcpy(i->name,"Radio");
1429         i->type = V4L2_INPUT_TYPE_TUNER;
1430
1431         return 0;
1432 }
1433
1434 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1435 {
1436         if (unlikely(a->index))
1437                 return -EINVAL;
1438
1439         memset(a,0,sizeof(*a));
1440         strcpy(a->name,"Radio");
1441         return 0;
1442 }
1443
1444 /* FIXME: Should add a standard for radio */
1445
1446 static int radio_s_tuner (struct file *file, void *priv,
1447                                 struct v4l2_tuner *t)
1448 {
1449         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1450
1451         if (0 != t->index)
1452                 return -EINVAL;
1453
1454         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1455
1456         return 0;
1457 }
1458
1459 static int radio_s_audio (struct file *file, void *fh,
1460                           struct v4l2_audio *a)
1461 {
1462         return 0;
1463 }
1464
1465 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1466 {
1467         return 0;
1468 }
1469
1470 static int radio_queryctrl (struct file *file, void *priv,
1471                             struct v4l2_queryctrl *c)
1472 {
1473         int i;
1474
1475         if (c->id <  V4L2_CID_BASE ||
1476                 c->id >= V4L2_CID_LASTP1)
1477                 return -EINVAL;
1478         if (c->id == V4L2_CID_AUDIO_MUTE) {
1479                 for (i = 0; i < CX8800_CTLS; i++)
1480                         if (cx8800_ctls[i].v.id == c->id)
1481                                 break;
1482                 *c = cx8800_ctls[i].v;
1483         } else
1484                 *c = no_ctl;
1485         return 0;
1486 }
1487
1488 /* ----------------------------------------------------------- */
1489
1490 static void cx8800_vid_timeout(unsigned long data)
1491 {
1492         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1493         struct cx88_core *core = dev->core;
1494         struct cx88_dmaqueue *q = &dev->vidq;
1495         struct cx88_buffer *buf;
1496         unsigned long flags;
1497
1498         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1499
1500         cx_clear(MO_VID_DMACNTRL, 0x11);
1501         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1502
1503         spin_lock_irqsave(&dev->slock,flags);
1504         while (!list_empty(&q->active)) {
1505                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1506                 list_del(&buf->vb.queue);
1507                 buf->vb.state = STATE_ERROR;
1508                 wake_up(&buf->vb.done);
1509                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1510                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1511         }
1512         restart_video_queue(dev,q);
1513         spin_unlock_irqrestore(&dev->slock,flags);
1514 }
1515
1516 static char *cx88_vid_irqs[32] = {
1517         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1518         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1519         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1520         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1521         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1522 };
1523
1524 static void cx8800_vid_irq(struct cx8800_dev *dev)
1525 {
1526         struct cx88_core *core = dev->core;
1527         u32 status, mask, count;
1528
1529         status = cx_read(MO_VID_INTSTAT);
1530         mask   = cx_read(MO_VID_INTMSK);
1531         if (0 == (status & mask))
1532                 return;
1533         cx_write(MO_VID_INTSTAT, status);
1534         if (irq_debug  ||  (status & mask & ~0xff))
1535                 cx88_print_irqbits(core->name, "irq vid",
1536                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1537                                    status, mask);
1538
1539         /* risc op code error */
1540         if (status & (1 << 16)) {
1541                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1542                 cx_clear(MO_VID_DMACNTRL, 0x11);
1543                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1544                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1545         }
1546
1547         /* risc1 y */
1548         if (status & 0x01) {
1549                 spin_lock(&dev->slock);
1550                 count = cx_read(MO_VIDY_GPCNT);
1551                 cx88_wakeup(core, &dev->vidq, count);
1552                 spin_unlock(&dev->slock);
1553         }
1554
1555         /* risc1 vbi */
1556         if (status & 0x08) {
1557                 spin_lock(&dev->slock);
1558                 count = cx_read(MO_VBI_GPCNT);
1559                 cx88_wakeup(core, &dev->vbiq, count);
1560                 spin_unlock(&dev->slock);
1561         }
1562
1563         /* risc2 y */
1564         if (status & 0x10) {
1565                 dprintk(2,"stopper video\n");
1566                 spin_lock(&dev->slock);
1567                 restart_video_queue(dev,&dev->vidq);
1568                 spin_unlock(&dev->slock);
1569         }
1570
1571         /* risc2 vbi */
1572         if (status & 0x80) {
1573                 dprintk(2,"stopper vbi\n");
1574                 spin_lock(&dev->slock);
1575                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1576                 spin_unlock(&dev->slock);
1577         }
1578 }
1579
1580 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1581 {
1582         struct cx8800_dev *dev = dev_id;
1583         struct cx88_core *core = dev->core;
1584         u32 status;
1585         int loop, handled = 0;
1586
1587         for (loop = 0; loop < 10; loop++) {
1588                 status = cx_read(MO_PCI_INTSTAT) &
1589                         (core->pci_irqmask | PCI_INT_VIDINT);
1590                 if (0 == status)
1591                         goto out;
1592                 cx_write(MO_PCI_INTSTAT, status);
1593                 handled = 1;
1594
1595                 if (status & core->pci_irqmask)
1596                         cx88_core_irq(core,status);
1597                 if (status & PCI_INT_VIDINT)
1598                         cx8800_vid_irq(dev);
1599         };
1600         if (10 == loop) {
1601                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1602                        core->name);
1603                 cx_write(MO_PCI_INTMSK,0);
1604         }
1605
1606  out:
1607         return IRQ_RETVAL(handled);
1608 }
1609
1610 /* ----------------------------------------------------------- */
1611 /* exported stuff                                              */
1612
1613 static const struct file_operations video_fops =
1614 {
1615         .owner         = THIS_MODULE,
1616         .open          = video_open,
1617         .release       = video_release,
1618         .read          = video_read,
1619         .poll          = video_poll,
1620         .mmap          = video_mmap,
1621         .ioctl         = video_ioctl2,
1622         .compat_ioctl  = v4l_compat_ioctl32,
1623         .llseek        = no_llseek,
1624 };
1625
1626 static struct video_device cx8800_vbi_template;
1627 static struct video_device cx8800_video_template =
1628 {
1629         .name                 = "cx8800-video",
1630         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1631         .fops                 = &video_fops,
1632         .minor                = -1,
1633         .vidioc_querycap      = vidioc_querycap,
1634         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1635         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1636         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1637         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1638         .vidioc_g_fmt_vbi     = cx8800_vbi_fmt,
1639         .vidioc_try_fmt_vbi   = cx8800_vbi_fmt,
1640         .vidioc_s_fmt_vbi     = cx8800_vbi_fmt,
1641         .vidioc_reqbufs       = vidioc_reqbufs,
1642         .vidioc_querybuf      = vidioc_querybuf,
1643         .vidioc_qbuf          = vidioc_qbuf,
1644         .vidioc_dqbuf         = vidioc_dqbuf,
1645         .vidioc_s_std         = vidioc_s_std,
1646         .vidioc_enum_input    = vidioc_enum_input,
1647         .vidioc_g_input       = vidioc_g_input,
1648         .vidioc_s_input       = vidioc_s_input,
1649         .vidioc_queryctrl     = vidioc_queryctrl,
1650         .vidioc_g_ctrl        = vidioc_g_ctrl,
1651         .vidioc_s_ctrl        = vidioc_s_ctrl,
1652         .vidioc_streamon      = vidioc_streamon,
1653         .vidioc_streamoff     = vidioc_streamoff,
1654 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1655         .vidiocgmbuf          = vidiocgmbuf,
1656 #endif
1657         .vidioc_g_tuner       = vidioc_g_tuner,
1658         .vidioc_s_tuner       = vidioc_s_tuner,
1659         .vidioc_g_frequency   = vidioc_g_frequency,
1660         .vidioc_s_frequency   = vidioc_s_frequency,
1661 #ifdef CONFIG_VIDEO_ADV_DEBUG
1662         .vidioc_g_register    = vidioc_g_register,
1663         .vidioc_s_register    = vidioc_s_register,
1664 #endif
1665         .tvnorms              = CX88_NORMS,
1666         .current_norm         = V4L2_STD_NTSC_M,
1667 };
1668
1669 static const struct file_operations radio_fops =
1670 {
1671         .owner         = THIS_MODULE,
1672         .open          = video_open,
1673         .release       = video_release,
1674         .ioctl         = video_ioctl2,
1675         .compat_ioctl  = v4l_compat_ioctl32,
1676         .llseek        = no_llseek,
1677 };
1678
1679 static struct video_device cx8800_radio_template =
1680 {
1681         .name                 = "cx8800-radio",
1682         .type                 = VID_TYPE_TUNER,
1683         .hardware             = 0,
1684         .fops                 = &radio_fops,
1685         .minor                = -1,
1686         .vidioc_querycap      = radio_querycap,
1687         .vidioc_g_tuner       = radio_g_tuner,
1688         .vidioc_enum_input    = radio_enum_input,
1689         .vidioc_g_audio       = radio_g_audio,
1690         .vidioc_s_tuner       = radio_s_tuner,
1691         .vidioc_s_audio       = radio_s_audio,
1692         .vidioc_s_input       = radio_s_input,
1693         .vidioc_queryctrl     = radio_queryctrl,
1694         .vidioc_g_ctrl        = vidioc_g_ctrl,
1695         .vidioc_s_ctrl        = vidioc_s_ctrl,
1696         .vidioc_g_frequency   = vidioc_g_frequency,
1697         .vidioc_s_frequency   = vidioc_s_frequency,
1698 #ifdef CONFIG_VIDEO_ADV_DEBUG
1699         .vidioc_g_register    = vidioc_g_register,
1700         .vidioc_s_register    = vidioc_s_register,
1701 #endif
1702 };
1703
1704 /* ----------------------------------------------------------- */
1705
1706 static void cx8800_unregister_video(struct cx8800_dev *dev)
1707 {
1708         if (dev->radio_dev) {
1709                 if (-1 != dev->radio_dev->minor)
1710                         video_unregister_device(dev->radio_dev);
1711                 else
1712                         video_device_release(dev->radio_dev);
1713                 dev->radio_dev = NULL;
1714         }
1715         if (dev->vbi_dev) {
1716                 if (-1 != dev->vbi_dev->minor)
1717                         video_unregister_device(dev->vbi_dev);
1718                 else
1719                         video_device_release(dev->vbi_dev);
1720                 dev->vbi_dev = NULL;
1721         }
1722         if (dev->video_dev) {
1723                 if (-1 != dev->video_dev->minor)
1724                         video_unregister_device(dev->video_dev);
1725                 else
1726                         video_device_release(dev->video_dev);
1727                 dev->video_dev = NULL;
1728         }
1729 }
1730
1731 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1732                                     const struct pci_device_id *pci_id)
1733 {
1734         struct cx8800_dev *dev;
1735         struct cx88_core *core;
1736
1737         int err;
1738
1739         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1740         if (NULL == dev)
1741                 return -ENOMEM;
1742
1743         /* pci init */
1744         dev->pci = pci_dev;
1745         if (pci_enable_device(pci_dev)) {
1746                 err = -EIO;
1747                 goto fail_free;
1748         }
1749         core = cx88_core_get(dev->pci);
1750         if (NULL == core) {
1751                 err = -EINVAL;
1752                 goto fail_free;
1753         }
1754         dev->core = core;
1755
1756         /* print pci info */
1757         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1758         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1759         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1760                "latency: %d, mmio: 0x%llx\n", core->name,
1761                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1762                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1763
1764         pci_set_master(pci_dev);
1765         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1766                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1767                 err = -EIO;
1768                 goto fail_core;
1769         }
1770
1771         /* Initialize VBI template */
1772         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1773                 sizeof(cx8800_vbi_template) );
1774         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1775         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1776
1777         /* initialize driver struct */
1778         spin_lock_init(&dev->slock);
1779         core->tvnorm = cx8800_video_template.current_norm;
1780
1781         /* init video dma queues */
1782         INIT_LIST_HEAD(&dev->vidq.active);
1783         INIT_LIST_HEAD(&dev->vidq.queued);
1784         dev->vidq.timeout.function = cx8800_vid_timeout;
1785         dev->vidq.timeout.data     = (unsigned long)dev;
1786         init_timer(&dev->vidq.timeout);
1787         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1788                           MO_VID_DMACNTRL,0x11,0x00);
1789
1790         /* init vbi dma queues */
1791         INIT_LIST_HEAD(&dev->vbiq.active);
1792         INIT_LIST_HEAD(&dev->vbiq.queued);
1793         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1794         dev->vbiq.timeout.data     = (unsigned long)dev;
1795         init_timer(&dev->vbiq.timeout);
1796         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1797                           MO_VID_DMACNTRL,0x88,0x00);
1798
1799         /* get irq */
1800         err = request_irq(pci_dev->irq, cx8800_irq,
1801                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1802         if (err < 0) {
1803                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1804                        core->name,pci_dev->irq);
1805                 goto fail_core;
1806         }
1807         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1808
1809         /* load and configure helper modules */
1810         if (TUNER_ABSENT != core->board.tuner_type)
1811                 request_module("tuner");
1812
1813         if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1814                 request_module("wm8775");
1815
1816         switch (core->boardnr) {
1817         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1818                 request_module("ir-kbd-i2c");
1819                 request_module("rtc-isl1208");
1820         }
1821
1822         /* register v4l devices */
1823         dev->video_dev = cx88_vdev_init(core,dev->pci,
1824                                         &cx8800_video_template,"video");
1825         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1826                                     video_nr[core->nr]);
1827         if (err < 0) {
1828                 printk(KERN_ERR "%s/0: can't register video device\n",
1829                        core->name);
1830                 goto fail_unreg;
1831         }
1832         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1833                core->name,dev->video_dev->minor & 0x1f);
1834
1835         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1836         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1837                                     vbi_nr[core->nr]);
1838         if (err < 0) {
1839                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1840                        core->name);
1841                 goto fail_unreg;
1842         }
1843         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1844                core->name,dev->vbi_dev->minor & 0x1f);
1845
1846         if (core->board.radio.type == CX88_RADIO) {
1847                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1848                                                 &cx8800_radio_template,"radio");
1849                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1850                                             radio_nr[core->nr]);
1851                 if (err < 0) {
1852                         printk(KERN_ERR "%s/0: can't register radio device\n",
1853                                core->name);
1854                         goto fail_unreg;
1855                 }
1856                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1857                        core->name,dev->radio_dev->minor & 0x1f);
1858         }
1859
1860         /* everything worked */
1861         list_add_tail(&dev->devlist,&cx8800_devlist);
1862         pci_set_drvdata(pci_dev,dev);
1863
1864         /* initial device configuration */
1865         mutex_lock(&core->lock);
1866         cx88_set_tvnorm(core,core->tvnorm);
1867         init_controls(core);
1868         cx88_video_mux(core,0);
1869         mutex_unlock(&core->lock);
1870
1871         /* start tvaudio thread */
1872         if (core->board.tuner_type != TUNER_ABSENT) {
1873                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1874                 if (IS_ERR(core->kthread)) {
1875                         err = PTR_ERR(core->kthread);
1876                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1877                                core->name, err);
1878                 }
1879         }
1880         return 0;
1881
1882 fail_unreg:
1883         cx8800_unregister_video(dev);
1884         free_irq(pci_dev->irq, dev);
1885 fail_core:
1886         cx88_core_put(core,dev->pci);
1887 fail_free:
1888         kfree(dev);
1889         return err;
1890 }
1891
1892 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1893 {
1894         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1895         struct cx88_core *core = dev->core;
1896
1897         /* stop thread */
1898         if (core->kthread) {
1899                 kthread_stop(core->kthread);
1900                 core->kthread = NULL;
1901         }
1902
1903         cx88_shutdown(core); /* FIXME */
1904         pci_disable_device(pci_dev);
1905
1906         /* unregister stuff */
1907
1908         free_irq(pci_dev->irq, dev);
1909         cx8800_unregister_video(dev);
1910         pci_set_drvdata(pci_dev, NULL);
1911
1912         /* free memory */
1913         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1914         list_del(&dev->devlist);
1915         cx88_core_put(core,dev->pci);
1916         kfree(dev);
1917 }
1918
1919 #ifdef CONFIG_PM
1920 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1921 {
1922         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1923         struct cx88_core *core = dev->core;
1924
1925         /* stop video+vbi capture */
1926         spin_lock(&dev->slock);
1927         if (!list_empty(&dev->vidq.active)) {
1928                 printk("%s/0: suspend video\n", core->name);
1929                 stop_video_dma(dev);
1930                 del_timer(&dev->vidq.timeout);
1931         }
1932         if (!list_empty(&dev->vbiq.active)) {
1933                 printk("%s/0: suspend vbi\n", core->name);
1934                 cx8800_stop_vbi_dma(dev);
1935                 del_timer(&dev->vbiq.timeout);
1936         }
1937         spin_unlock(&dev->slock);
1938
1939         if (core->ir)
1940                 cx88_ir_stop(core, core->ir);
1941         /* FIXME -- shutdown device */
1942         cx88_shutdown(core);
1943
1944         pci_save_state(pci_dev);
1945         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1946                 pci_disable_device(pci_dev);
1947                 dev->state.disabled = 1;
1948         }
1949         return 0;
1950 }
1951
1952 static int cx8800_resume(struct pci_dev *pci_dev)
1953 {
1954         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1955         struct cx88_core *core = dev->core;
1956         int err;
1957
1958         if (dev->state.disabled) {
1959                 err=pci_enable_device(pci_dev);
1960                 if (err) {
1961                         printk(KERN_ERR "%s/0: can't enable device\n",
1962                                core->name);
1963                         return err;
1964                 }
1965
1966                 dev->state.disabled = 0;
1967         }
1968         err= pci_set_power_state(pci_dev, PCI_D0);
1969         if (err) {
1970                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1971                 pci_disable_device(pci_dev);
1972                 dev->state.disabled = 1;
1973
1974                 return err;
1975         }
1976         pci_restore_state(pci_dev);
1977
1978         /* FIXME: re-initialize hardware */
1979         cx88_reset(core);
1980         if (core->ir)
1981                 cx88_ir_start(core, core->ir);
1982
1983         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1984
1985         /* restart video+vbi capture */
1986         spin_lock(&dev->slock);
1987         if (!list_empty(&dev->vidq.active)) {
1988                 printk("%s/0: resume video\n", core->name);
1989                 restart_video_queue(dev,&dev->vidq);
1990         }
1991         if (!list_empty(&dev->vbiq.active)) {
1992                 printk("%s/0: resume vbi\n", core->name);
1993                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1994         }
1995         spin_unlock(&dev->slock);
1996
1997         return 0;
1998 }
1999 #endif
2000
2001 /* ----------------------------------------------------------- */
2002
2003 static struct pci_device_id cx8800_pci_tbl[] = {
2004         {
2005                 .vendor       = 0x14f1,
2006                 .device       = 0x8800,
2007                 .subvendor    = PCI_ANY_ID,
2008                 .subdevice    = PCI_ANY_ID,
2009         },{
2010                 /* --- end of list --- */
2011         }
2012 };
2013 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2014
2015 static struct pci_driver cx8800_pci_driver = {
2016         .name     = "cx8800",
2017         .id_table = cx8800_pci_tbl,
2018         .probe    = cx8800_initdev,
2019         .remove   = __devexit_p(cx8800_finidev),
2020 #ifdef CONFIG_PM
2021         .suspend  = cx8800_suspend,
2022         .resume   = cx8800_resume,
2023 #endif
2024 };
2025
2026 static int cx8800_init(void)
2027 {
2028         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2029                (CX88_VERSION_CODE >> 16) & 0xff,
2030                (CX88_VERSION_CODE >>  8) & 0xff,
2031                CX88_VERSION_CODE & 0xff);
2032 #ifdef SNAPSHOT
2033         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2034                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2035 #endif
2036         return pci_register_driver(&cx8800_pci_driver);
2037 }
2038
2039 static void cx8800_fini(void)
2040 {
2041         pci_unregister_driver(&cx8800_pci_driver);
2042 }
2043
2044 module_init(cx8800_init);
2045 module_exit(cx8800_fini);
2046
2047 /* ----------------------------------------------------------- */
2048 /*
2049  * Local variables:
2050  * c-basic-offset: 8
2051  * End:
2052  * 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
2053  */