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         int rc, init_buffer = 0;
 538
 539         BUG_ON(NULL == fh->fmt);
 540         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 541             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 542                 return -EINVAL;
 543         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 544         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 545                 return -EINVAL;
 546
 547         if (buf->fmt       != fh->fmt    ||
 548             buf->vb.width  != fh->width  ||
 549             buf->vb.height != fh->height ||
 550             buf->vb.field  != field) {
 551                 buf->fmt       = fh->fmt;
 552                 buf->vb.width  = fh->width;
 553                 buf->vb.height = fh->height;
 554                 buf->vb.field  = field;
 555                 init_buffer = 1;
 556         }
 557
 558         if (STATE_NEEDS_INIT == buf->vb.state) {
 559                 init_buffer = 1;
 560                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 561                         goto fail;
 562         }
 563
 564         if (init_buffer) {
 565                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 566                 switch (buf->vb.field) {
 567                 case V4L2_FIELD_TOP:
 568                         cx88_risc_buffer(dev->pci, &buf->risc,
 569                                          buf->vb.dma.sglist, 0, UNSET,
 570                                          buf->bpl, 0, buf->vb.height);
 571                         break;
 572                 case V4L2_FIELD_BOTTOM:
 573                         cx88_risc_buffer(dev->pci, &buf->risc,
 574                                          buf->vb.dma.sglist, UNSET, 0,
 575                                          buf->bpl, 0, buf->vb.height);
 576                         break;
 577                 case V4L2_FIELD_INTERLACED:
 578                         cx88_risc_buffer(dev->pci, &buf->risc,
 579                                          buf->vb.dma.sglist, 0, buf->bpl,
 580                                          buf->bpl, buf->bpl,
 581                                          buf->vb.height >> 1);
 582                         break;
 583                 case V4L2_FIELD_SEQ_TB:
 584                         cx88_risc_buffer(dev->pci, &buf->risc,
 585                                          buf->vb.dma.sglist,
 586                                          0, buf->bpl * (buf->vb.height >> 1),
 587                                          buf->bpl, 0,
 588                                          buf->vb.height >> 1);
 589                         break;
 590                 case V4L2_FIELD_SEQ_BT:
 591                         cx88_risc_buffer(dev->pci, &buf->risc,
 592                                          buf->vb.dma.sglist,
 593                                          buf->bpl * (buf->vb.height >> 1), 0,
 594                                          buf->bpl, 0,
 595                                          buf->vb.height >> 1);
 596                         break;
 597                 default:
 598                         BUG();
 599                 }
 600         }
 601         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 602                 buf, buf->vb.i,
 603                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 604                 (unsigned long)buf->risc.dma);
 605
 606         buf->vb.state = STATE_PREPARED;
 607         return 0;
 608
 609  fail:
 610         cx88_free_buffer(q,buf);
 611         return rc;
 612 }
 613
 614 static void
 615 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 616 {
 617         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 618         struct cx88_buffer    *prev;
 619         struct cx8800_fh      *fh   = vq->priv_data;
 620         struct cx8800_dev     *dev  = fh->dev;
 621         struct cx88_core      *core = dev->core;
 622         struct cx88_dmaqueue  *q    = &dev->vidq;
 623
 624         /* add jump to stopper */
 625         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 626         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 627
 628         if (!list_empty(&q->queued)) {
 629                 list_add_tail(&buf->vb.queue,&q->queued);
 630                 buf->vb.state = STATE_QUEUED;
 631                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 632                         buf, buf->vb.i);
 633
 634         } else if (list_empty(&q->active)) {
 635                 list_add_tail(&buf->vb.queue,&q->active);
 636                 start_video_dma(dev, q, buf);
 637                 buf->vb.state = STATE_ACTIVE;
 638                 buf->count    = q->count++;
 639                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 640                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 641                         buf, buf->vb.i);
 642
 643         } else {
 644                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 645                 if (prev->vb.width  == buf->vb.width  &&
 646                     prev->vb.height == buf->vb.height &&
 647                     prev->fmt       == buf->fmt) {
 648                         list_add_tail(&buf->vb.queue,&q->active);
 649                         buf->vb.state = STATE_ACTIVE;
 650                         buf->count    = q->count++;
 651                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 652                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 653                                 buf, buf->vb.i);
 654
 655                 } else {
 656                         list_add_tail(&buf->vb.queue,&q->queued);
 657                         buf->vb.state = STATE_QUEUED;
 658                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 659                                 buf, buf->vb.i);
 660                 }
 661         }
 662 }
 663
 664 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 665 {
 666         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 667
 668         cx88_free_buffer(q,buf);
 669 }
 670
 671 static struct videobuf_queue_ops cx8800_video_qops = {
 672         .buf_setup    = buffer_setup,
 673         .buf_prepare  = buffer_prepare,
 674         .buf_queue    = buffer_queue,
 675         .buf_release  = buffer_release,
 676 };
 677
 678 /* ------------------------------------------------------------------ */
 679
 680
 681 /* ------------------------------------------------------------------ */
 682
 683 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 684 {
 685         switch (fh->type) {
 686         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 687                 return &fh->vidq;
 688         case V4L2_BUF_TYPE_VBI_CAPTURE:
 689                 return &fh->vbiq;
 690         default:
 691                 BUG();
 692                 return NULL;
 693         }
 694 }
 695
 696 static int get_ressource(struct cx8800_fh *fh)
 697 {
 698         switch (fh->type) {
 699         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 700                 return RESOURCE_VIDEO;
 701         case V4L2_BUF_TYPE_VBI_CAPTURE:
 702                 return RESOURCE_VBI;
 703         default:
 704                 BUG();
 705                 return 0;
 706         }
 707 }
 708
 709 static int video_open(struct inode *inode, struct file *file)
 710 {
 711         int minor = iminor(inode);
 712         struct cx8800_dev *h,*dev = NULL;
 713         struct cx88_core *core;
 714         struct cx8800_fh *fh;
 715         struct list_head *list;
 716         enum v4l2_buf_type type = 0;
 717         int radio = 0;
 718
 719         list_for_each(list,&cx8800_devlist) {
 720                 h = list_entry(list, struct cx8800_dev, devlist);
 721                 if (h->video_dev->minor == minor) {
 722                         dev  = h;
 723                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 724                 }
 725                 if (h->vbi_dev->minor == minor) {
 726                         dev  = h;
 727                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 728                 }
 729                 if (h->radio_dev &&
 730                     h->radio_dev->minor == minor) {
 731                         radio = 1;
 732                         dev   = h;
 733                 }
 734         }
 735         if (NULL == dev)
 736                 return -ENODEV;
 737
 738         core = dev->core;
 739
 740         dprintk(1,"open minor=%d radio=%d type=%s\n",
 741                 minor,radio,v4l2_type_names[type]);
 742
 743         /* allocate + initialize per filehandle data */
 744         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 745         if (NULL == fh)
 746                 return -ENOMEM;
 747         file->private_data = fh;
 748         fh->dev      = dev;
 749         fh->radio    = radio;
 750         fh->type     = type;
 751         fh->width    = 320;
 752         fh->height   = 240;
 753         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 754
 755         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
 756                             dev->pci, &dev->slock,
 757                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 758                             V4L2_FIELD_INTERLACED,
 759                             sizeof(struct cx88_buffer),
 760                             fh);
 761         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 762                             dev->pci, &dev->slock,
 763                             V4L2_BUF_TYPE_VBI_CAPTURE,
 764                             V4L2_FIELD_SEQ_TB,
 765                             sizeof(struct cx88_buffer),
 766                             fh);
 767
 768         if (fh->radio) {
 769                 dprintk(1,"video_open: setting radio device\n");
 770                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 771                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 772                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 773                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 774                 core->tvaudio = WW_FM;
 775                 cx88_set_tvaudio(core);
 776                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 777                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 778         }
 779
 780         return 0;
 781 }
 782
 783 static ssize_t
 784 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 785 {
 786         struct cx8800_fh *fh = file->private_data;
 787
 788         switch (fh->type) {
 789         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 790                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 791                         return -EBUSY;
 792                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 793                                          file->f_flags & O_NONBLOCK);
 794         case V4L2_BUF_TYPE_VBI_CAPTURE:
 795                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 796                         return -EBUSY;
 797                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 798                                             file->f_flags & O_NONBLOCK);
 799         default:
 800                 BUG();
 801                 return 0;
 802         }
 803 }
 804
 805 static unsigned int
 806 video_poll(struct file *file, struct poll_table_struct *wait)
 807 {
 808         struct cx8800_fh *fh = file->private_data;
 809         struct cx88_buffer *buf;
 810
 811         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 812                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 813                         return POLLERR;
 814                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 815         }
 816
 817         if (res_check(fh,RESOURCE_VIDEO)) {
 818                 /* streaming capture */
 819                 if (list_empty(&fh->vidq.stream))
 820                         return POLLERR;
 821                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 822         } else {
 823                 /* read() capture */
 824                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 825                 if (NULL == buf)
 826                         return POLLERR;
 827         }
 828         poll_wait(file, &buf->vb.done, wait);
 829         if (buf->vb.state == STATE_DONE ||
 830             buf->vb.state == STATE_ERROR)
 831                 return POLLIN|POLLRDNORM;
 832         return 0;
 833 }
 834
 835 static int video_release(struct inode *inode, struct file *file)
 836 {
 837         struct cx8800_fh  *fh  = file->private_data;
 838         struct cx8800_dev *dev = fh->dev;
 839
 840         /* turn off overlay */
 841         if (res_check(fh, RESOURCE_OVERLAY)) {
 842                 /* FIXME */
 843                 res_free(dev,fh,RESOURCE_OVERLAY);
 844         }
 845
 846         /* stop video capture */
 847         if (res_check(fh, RESOURCE_VIDEO)) {
 848                 videobuf_queue_cancel(&fh->vidq);
 849                 res_free(dev,fh,RESOURCE_VIDEO);
 850         }
 851         if (fh->vidq.read_buf) {
 852                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 853                 kfree(fh->vidq.read_buf);
 854         }
 855
 856         /* stop vbi capture */
 857         if (res_check(fh, RESOURCE_VBI)) {
 858                 if (fh->vbiq.streaming)
 859                         videobuf_streamoff(&fh->vbiq);
 860                 if (fh->vbiq.reading)
 861                         videobuf_read_stop(&fh->vbiq);
 862                 res_free(dev,fh,RESOURCE_VBI);
 863         }
 864
 865         videobuf_mmap_free(&fh->vidq);
 866         videobuf_mmap_free(&fh->vbiq);
 867         file->private_data = NULL;
 868         kfree(fh);
 869
 870         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 871
 872         return 0;
 873 }
 874
 875 static int
 876 video_mmap(struct file *file, struct vm_area_struct * vma)
 877 {
 878         struct cx8800_fh *fh = file->private_data;
 879
 880         return videobuf_mmap_mapper(get_queue(fh), vma);
 881 }
 882
 883 /* ------------------------------------------------------------------ */
 884 /* VIDEO CTRL IOCTLS                                                  */
 885
 886 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 887 {
 888         struct cx88_ctrl  *c    = NULL;
 889         u32 value;
 890         int i;
 891
 892         for (i = 0; i < CX8800_CTLS; i++)
 893                 if (cx8800_ctls[i].v.id == ctl->id)
 894                         c = &cx8800_ctls[i];
 895         if (unlikely(NULL == c))
 896                 return -EINVAL;
 897
 898         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 899         switch (ctl->id) {
 900         case V4L2_CID_AUDIO_BALANCE:
 901                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 902                                         : (0x7f - (value & 0x7f));
 903                 break;
 904         case V4L2_CID_AUDIO_VOLUME:
 905                 ctl->value = 0x3f - (value & 0x3f);
 906                 break;
 907         default:
 908                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 909                 break;
 910         }
 911         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 912                                 ctl->id, c->v.name, ctl->value, c->reg,
 913                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 914         return 0;
 915 }
 916 EXPORT_SYMBOL(cx88_get_control);
 917
 918 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 919 {
 920         struct cx88_ctrl *c = NULL;
 921         u32 value,mask;
 922         int i;
 923
 924         for (i = 0; i < CX8800_CTLS; i++) {
 925                 if (cx8800_ctls[i].v.id == ctl->id) {
 926                         c = &cx8800_ctls[i];
 927                 }
 928         }
 929         if (unlikely(NULL == c))
 930                 return -EINVAL;
 931
 932         if (ctl->value < c->v.minimum)
 933                 ctl->value = c->v.minimum;
 934         if (ctl->value > c->v.maximum)
 935                 ctl->value = c->v.maximum;
 936         mask=c->mask;
 937         switch (ctl->id) {
 938         case V4L2_CID_AUDIO_BALANCE:
 939                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 940                 break;
 941         case V4L2_CID_AUDIO_VOLUME:
 942                 value = 0x3f - (ctl->value & 0x3f);
 943                 break;
 944         case V4L2_CID_SATURATION:
 945                 /* special v_sat handling */
 946
 947                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 948
 949                 if (core->tvnorm & V4L2_STD_SECAM) {
 950                         /* For SECAM, both U and V sat should be equal */
 951                         value=value<<8|value;
 952                 } else {
 953                         /* Keeps U Saturation proportional to V Sat */
 954                         value=(value*0x5a)/0x7f<<8|value;
 955                 }
 956                 mask=0xffff;
 957                 break;
 958         default:
 959                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 960                 break;
 961         }
 962         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 963                                 ctl->id, c->v.name, ctl->value, c->reg, value,
 964                                 mask, c->sreg ? " [shadowed]" : "");
 965         if (c->sreg) {
 966                 cx_sandor(c->sreg, c->reg, mask, value);
 967         } else {
 968                 cx_andor(c->reg, mask, value);
 969         }
 970         return 0;
 971 }
 972 EXPORT_SYMBOL(cx88_set_control);
 973
 974 static void init_controls(struct cx88_core *core)
 975 {
 976         struct v4l2_control ctrl;
 977         int i;
 978
 979         for (i = 0; i < CX8800_CTLS; i++) {
 980                 ctrl.id=cx8800_ctls[i].v.id;
 981                 ctrl.value=cx8800_ctls[i].v.default_value;
 982
 983                 cx88_set_control(core, &ctrl);
 984         }
 985 }
 986
 987 /* ------------------------------------------------------------------ */
 988 /* VIDEO IOCTLS                                                       */
 989
 990 static int vidioc_g_fmt_cap (struct file *file, void *priv,
 991                                         struct v4l2_format *f)
 992 {
 993         struct cx8800_fh  *fh   = priv;
 994
 995         f->fmt.pix.width        = fh->width;
 996         f->fmt.pix.height       = fh->height;
 997         f->fmt.pix.field        = fh->vidq.field;
 998         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
 999         f->fmt.pix.bytesperline =
1000                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1001         f->fmt.pix.sizeimage =
1002                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1003         return 0;
1004 }
1005
1006 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1007                         struct v4l2_format *f)
1008 {
1009         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1010         struct cx8800_fmt *fmt;
1011         enum v4l2_field   field;
1012         unsigned int      maxw, maxh;
1013
1014         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1015         if (NULL == fmt)
1016                 return -EINVAL;
1017
1018         field = f->fmt.pix.field;
1019         maxw  = norm_maxw(core->tvnorm);
1020         maxh  = norm_maxh(core->tvnorm);
1021
1022         if (V4L2_FIELD_ANY == field) {
1023                 field = (f->fmt.pix.height > maxh/2)
1024                         ? V4L2_FIELD_INTERLACED
1025                         : V4L2_FIELD_BOTTOM;
1026         }
1027
1028         switch (field) {
1029         case V4L2_FIELD_TOP:
1030         case V4L2_FIELD_BOTTOM:
1031                 maxh = maxh / 2;
1032                 break;
1033         case V4L2_FIELD_INTERLACED:
1034                 break;
1035         default:
1036                 return -EINVAL;
1037         }
1038
1039         f->fmt.pix.field = field;
1040         if (f->fmt.pix.height < 32)
1041                 f->fmt.pix.height = 32;
1042         if (f->fmt.pix.height > maxh)
1043                 f->fmt.pix.height = maxh;
1044         if (f->fmt.pix.width < 48)
1045                 f->fmt.pix.width = 48;
1046         if (f->fmt.pix.width > maxw)
1047                 f->fmt.pix.width = maxw;
1048         f->fmt.pix.width &= ~0x03;
1049         f->fmt.pix.bytesperline =
1050                 (f->fmt.pix.width * fmt->depth) >> 3;
1051         f->fmt.pix.sizeimage =
1052                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1053
1054         return 0;
1055 }
1056
1057 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1058                                         struct v4l2_format *f)
1059 {
1060         struct cx8800_fh  *fh   = priv;
1061         int err = vidioc_try_fmt_cap (file,priv,f);
1062
1063         if (0 != err)
1064                 return err;
1065         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1066         fh->width      = f->fmt.pix.width;
1067         fh->height     = f->fmt.pix.height;
1068         fh->vidq.field = f->fmt.pix.field;
1069         return 0;
1070 }
1071
1072 static int vidioc_querycap (struct file *file, void  *priv,
1073                                         struct v4l2_capability *cap)
1074 {
1075         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1076         struct cx88_core  *core = dev->core;
1077
1078         strcpy(cap->driver, "cx8800");
1079         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1080         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1081         cap->version = CX88_VERSION_CODE;
1082         cap->capabilities =
1083                 V4L2_CAP_VIDEO_CAPTURE |
1084                 V4L2_CAP_READWRITE     |
1085                 V4L2_CAP_STREAMING     |
1086                 V4L2_CAP_VBI_CAPTURE;
1087         if (UNSET != core->board.tuner_type)
1088                 cap->capabilities |= V4L2_CAP_TUNER;
1089         return 0;
1090 }
1091
1092 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
1093                                         struct v4l2_fmtdesc *f)
1094 {
1095         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1096                 return -EINVAL;
1097
1098         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1099         f->pixelformat = formats[f->index].fourcc;
1100
1101         return 0;
1102 }
1103
1104 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1105 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1106 {
1107         struct cx8800_fh           *fh   = priv;
1108         struct videobuf_queue      *q;
1109         struct v4l2_requestbuffers req;
1110         unsigned int i;
1111         int err;
1112
1113         q = get_queue(fh);
1114         memset(&req,0,sizeof(req));
1115         req.type   = q->type;
1116         req.count  = 8;
1117         req.memory = V4L2_MEMORY_MMAP;
1118         err = videobuf_reqbufs(q,&req);
1119         if (err < 0)
1120                 return err;
1121
1122         mbuf->frames = req.count;
1123         mbuf->size   = 0;
1124         for (i = 0; i < mbuf->frames; i++) {
1125                 mbuf->offsets[i]  = q->bufs[i]->boff;
1126                 mbuf->size       += q->bufs[i]->bsize;
1127         }
1128         return 0;
1129 }
1130 #endif
1131
1132 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1133 {
1134         struct cx8800_fh  *fh   = priv;
1135         return (videobuf_reqbufs(get_queue(fh), p));
1136 }
1137
1138 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1139 {
1140         struct cx8800_fh  *fh   = priv;
1141         return (videobuf_querybuf(get_queue(fh), p));
1142 }
1143
1144 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1145 {
1146         struct cx8800_fh  *fh   = priv;
1147         return (videobuf_qbuf(get_queue(fh), p));
1148 }
1149
1150 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1151 {
1152         struct cx8800_fh  *fh   = priv;
1153         return (videobuf_dqbuf(get_queue(fh), p,
1154                                 file->f_flags & O_NONBLOCK));
1155 }
1156
1157 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1158 {
1159         struct cx8800_fh  *fh   = priv;
1160         struct cx8800_dev *dev  = fh->dev;
1161
1162         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1163                 return -EINVAL;
1164         if (unlikely(i != fh->type))
1165                 return -EINVAL;
1166
1167         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1168                 return -EBUSY;
1169         return videobuf_streamon(get_queue(fh));
1170 }
1171
1172 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1173 {
1174         struct cx8800_fh  *fh   = priv;
1175         struct cx8800_dev *dev  = fh->dev;
1176         int               err, res;
1177
1178         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1179                 return -EINVAL;
1180         if (i != fh->type)
1181                 return -EINVAL;
1182
1183         res = get_ressource(fh);
1184         err = videobuf_streamoff(get_queue(fh));
1185         if (err < 0)
1186                 return err;
1187         res_free(dev,fh,res);
1188         return 0;
1189 }
1190
1191 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1192 {
1193         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1194
1195         mutex_lock(&core->lock);
1196         cx88_set_tvnorm(core,*tvnorms);
1197         mutex_unlock(&core->lock);
1198
1199         return 0;
1200 }
1201
1202 /* only one input in this sample driver */
1203 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1204 {
1205         static const char *iname[] = {
1206                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1207                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1208                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1209                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1210                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1211                 [ CX88_VMUX_TELEVISION ] = "Television",
1212                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1213                 [ CX88_VMUX_DVB        ] = "DVB",
1214                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1215         };
1216         unsigned int n;
1217
1218         n = i->index;
1219         if (n >= 4)
1220                 return -EINVAL;
1221         if (0 == INPUT(n).type)
1222                 return -EINVAL;
1223         memset(i,0,sizeof(*i));
1224         i->index = n;
1225         i->type  = V4L2_INPUT_TYPE_CAMERA;
1226         strcpy(i->name,iname[INPUT(n).type]);
1227         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1228             (CX88_VMUX_CABLE      == INPUT(n).type))
1229                 i->type = V4L2_INPUT_TYPE_TUNER;
1230                 i->std = CX88_NORMS;
1231         return 0;
1232 }
1233 EXPORT_SYMBOL(cx88_enum_input);
1234
1235 static int vidioc_enum_input (struct file *file, void *priv,
1236                                 struct v4l2_input *i)
1237 {
1238         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1239         return cx88_enum_input (core,i);
1240 }
1241
1242 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1243 {
1244         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1245
1246         *i = core->input;
1247         return 0;
1248 }
1249
1250 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1251 {
1252         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1253
1254         if (i >= 4)
1255                 return -EINVAL;
1256
1257         mutex_lock(&core->lock);
1258         cx88_newstation(core);
1259         cx88_video_mux(core,i);
1260         mutex_unlock(&core->lock);
1261         return 0;
1262 }
1263
1264
1265
1266 static int vidioc_queryctrl (struct file *file, void *priv,
1267                                 struct v4l2_queryctrl *qctrl)
1268 {
1269         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1270         if (unlikely(qctrl->id == 0))
1271                 return -EINVAL;
1272         return cx8800_ctrl_query(qctrl);
1273 }
1274
1275 static int vidioc_g_ctrl (struct file *file, void *priv,
1276                                 struct v4l2_control *ctl)
1277 {
1278         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1279         return
1280                 cx88_get_control(core,ctl);
1281 }
1282
1283 static int vidioc_s_ctrl (struct file *file, void *priv,
1284                                 struct v4l2_control *ctl)
1285 {
1286         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1287         return
1288                 cx88_set_control(core,ctl);
1289 }
1290
1291 static int vidioc_g_tuner (struct file *file, void *priv,
1292                                 struct v4l2_tuner *t)
1293 {
1294         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1295         u32 reg;
1296
1297         if (unlikely(UNSET == core->board.tuner_type))
1298                 return -EINVAL;
1299         if (0 != t->index)
1300                 return -EINVAL;
1301
1302         strcpy(t->name, "Television");
1303         t->type       = V4L2_TUNER_ANALOG_TV;
1304         t->capability = V4L2_TUNER_CAP_NORM;
1305         t->rangehigh  = 0xffffffffUL;
1306
1307         cx88_get_stereo(core ,t);
1308         reg = cx_read(MO_DEVICE_STATUS);
1309         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1310         return 0;
1311 }
1312
1313 static int vidioc_s_tuner (struct file *file, void *priv,
1314                                 struct v4l2_tuner *t)
1315 {
1316         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1317
1318         if (UNSET == core->board.tuner_type)
1319                 return -EINVAL;
1320         if (0 != t->index)
1321                 return -EINVAL;
1322
1323         cx88_set_stereo(core, t->audmode, 1);
1324         return 0;
1325 }
1326
1327 static int vidioc_g_frequency (struct file *file, void *priv,
1328                                 struct v4l2_frequency *f)
1329 {
1330         struct cx8800_fh  *fh   = priv;
1331         struct cx88_core  *core = fh->dev->core;
1332
1333         if (unlikely(UNSET == core->board.tuner_type))
1334                 return -EINVAL;
1335
1336         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1337         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1338         f->frequency = core->freq;
1339
1340         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1341
1342         return 0;
1343 }
1344
1345 int cx88_set_freq (struct cx88_core  *core,
1346                                 struct v4l2_frequency *f)
1347 {
1348         if (unlikely(UNSET == core->board.tuner_type))
1349                 return -EINVAL;
1350         if (unlikely(f->tuner != 0))
1351                 return -EINVAL;
1352
1353         mutex_lock(&core->lock);
1354         core->freq = f->frequency;
1355         cx88_newstation(core);
1356         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1357
1358         /* When changing channels it is required to reset TVAUDIO */
1359         msleep (10);
1360         cx88_set_tvaudio(core);
1361
1362         mutex_unlock(&core->lock);
1363
1364         return 0;
1365 }
1366 EXPORT_SYMBOL(cx88_set_freq);
1367
1368 static int vidioc_s_frequency (struct file *file, void *priv,
1369                                 struct v4l2_frequency *f)
1370 {
1371         struct cx8800_fh  *fh   = priv;
1372         struct cx88_core  *core = fh->dev->core;
1373
1374         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1375                 return -EINVAL;
1376         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1377                 return -EINVAL;
1378
1379         return
1380                 cx88_set_freq (core,f);
1381 }
1382
1383 #ifdef CONFIG_VIDEO_ADV_DEBUG
1384 static int vidioc_g_register (struct file *file, void *fh,
1385                                 struct v4l2_register *reg)
1386 {
1387         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1388
1389         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1390                 return -EINVAL;
1391         /* cx2388x has a 24-bit register space */
1392         reg->val = cx_read(reg->reg&0xffffff);
1393         return 0;
1394 }
1395
1396 static int vidioc_s_register (struct file *file, void *fh,
1397                                 struct v4l2_register *reg)
1398 {
1399         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1400
1401         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1402                 return -EINVAL;
1403         cx_write(reg->reg&0xffffff, reg->val);
1404         return 0;
1405 }
1406 #endif
1407
1408 /* ----------------------------------------------------------- */
1409 /* RADIO ESPECIFIC IOCTLS                                      */
1410 /* ----------------------------------------------------------- */
1411
1412 static int radio_querycap (struct file *file, void  *priv,
1413                                         struct v4l2_capability *cap)
1414 {
1415         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1416         struct cx88_core  *core = dev->core;
1417
1418         strcpy(cap->driver, "cx8800");
1419         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1420         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1421         cap->version = CX88_VERSION_CODE;
1422         cap->capabilities = V4L2_CAP_TUNER;
1423         return 0;
1424 }
1425
1426 static int radio_g_tuner (struct file *file, void *priv,
1427                                 struct v4l2_tuner *t)
1428 {
1429         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1430
1431         if (unlikely(t->index > 0))
1432                 return -EINVAL;
1433
1434         strcpy(t->name, "Radio");
1435         t->type = V4L2_TUNER_RADIO;
1436
1437         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1438         return 0;
1439 }
1440
1441 static int radio_enum_input (struct file *file, void *priv,
1442                                 struct v4l2_input *i)
1443 {
1444         if (i->index != 0)
1445                 return -EINVAL;
1446         strcpy(i->name,"Radio");
1447         i->type = V4L2_INPUT_TYPE_TUNER;
1448
1449         return 0;
1450 }
1451
1452 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1453 {
1454         if (unlikely(a->index))
1455                 return -EINVAL;
1456
1457         memset(a,0,sizeof(*a));
1458         strcpy(a->name,"Radio");
1459         return 0;
1460 }
1461
1462 /* FIXME: Should add a standard for radio */
1463
1464 static int radio_s_tuner (struct file *file, void *priv,
1465                                 struct v4l2_tuner *t)
1466 {
1467         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1468
1469         if (0 != t->index)
1470                 return -EINVAL;
1471
1472         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1473
1474         return 0;
1475 }
1476
1477 static int radio_s_audio (struct file *file, void *fh,
1478                           struct v4l2_audio *a)
1479 {
1480         return 0;
1481 }
1482
1483 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1484 {
1485         return 0;
1486 }
1487
1488 static int radio_queryctrl (struct file *file, void *priv,
1489                             struct v4l2_queryctrl *c)
1490 {
1491         int i;
1492
1493         if (c->id <  V4L2_CID_BASE ||
1494                 c->id >= V4L2_CID_LASTP1)
1495                 return -EINVAL;
1496         if (c->id == V4L2_CID_AUDIO_MUTE) {
1497                 for (i = 0; i < CX8800_CTLS; i++)
1498                         if (cx8800_ctls[i].v.id == c->id)
1499                                 break;
1500                 *c = cx8800_ctls[i].v;
1501         } else
1502                 *c = no_ctl;
1503         return 0;
1504 }
1505
1506 /* ----------------------------------------------------------- */
1507
1508 static void cx8800_vid_timeout(unsigned long data)
1509 {
1510         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1511         struct cx88_core *core = dev->core;
1512         struct cx88_dmaqueue *q = &dev->vidq;
1513         struct cx88_buffer *buf;
1514         unsigned long flags;
1515
1516         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1517
1518         cx_clear(MO_VID_DMACNTRL, 0x11);
1519         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1520
1521         spin_lock_irqsave(&dev->slock,flags);
1522         while (!list_empty(&q->active)) {
1523                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1524                 list_del(&buf->vb.queue);
1525                 buf->vb.state = STATE_ERROR;
1526                 wake_up(&buf->vb.done);
1527                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1528                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1529         }
1530         restart_video_queue(dev,q);
1531         spin_unlock_irqrestore(&dev->slock,flags);
1532 }
1533
1534 static char *cx88_vid_irqs[32] = {
1535         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1536         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1537         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1538         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1539         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1540 };
1541
1542 static void cx8800_vid_irq(struct cx8800_dev *dev)
1543 {
1544         struct cx88_core *core = dev->core;
1545         u32 status, mask, count;
1546
1547         status = cx_read(MO_VID_INTSTAT);
1548         mask   = cx_read(MO_VID_INTMSK);
1549         if (0 == (status & mask))
1550                 return;
1551         cx_write(MO_VID_INTSTAT, status);
1552         if (irq_debug  ||  (status & mask & ~0xff))
1553                 cx88_print_irqbits(core->name, "irq vid",
1554                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1555                                    status, mask);
1556
1557         /* risc op code error */
1558         if (status & (1 << 16)) {
1559                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1560                 cx_clear(MO_VID_DMACNTRL, 0x11);
1561                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1562                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1563         }
1564
1565         /* risc1 y */
1566         if (status & 0x01) {
1567                 spin_lock(&dev->slock);
1568                 count = cx_read(MO_VIDY_GPCNT);
1569                 cx88_wakeup(core, &dev->vidq, count);
1570                 spin_unlock(&dev->slock);
1571         }
1572
1573         /* risc1 vbi */
1574         if (status & 0x08) {
1575                 spin_lock(&dev->slock);
1576                 count = cx_read(MO_VBI_GPCNT);
1577                 cx88_wakeup(core, &dev->vbiq, count);
1578                 spin_unlock(&dev->slock);
1579         }
1580
1581         /* risc2 y */
1582         if (status & 0x10) {
1583                 dprintk(2,"stopper video\n");
1584                 spin_lock(&dev->slock);
1585                 restart_video_queue(dev,&dev->vidq);
1586                 spin_unlock(&dev->slock);
1587         }
1588
1589         /* risc2 vbi */
1590         if (status & 0x80) {
1591                 dprintk(2,"stopper vbi\n");
1592                 spin_lock(&dev->slock);
1593                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1594                 spin_unlock(&dev->slock);
1595         }
1596 }
1597
1598 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1599 {
1600         struct cx8800_dev *dev = dev_id;
1601         struct cx88_core *core = dev->core;
1602         u32 status;
1603         int loop, handled = 0;
1604
1605         for (loop = 0; loop < 10; loop++) {
1606                 status = cx_read(MO_PCI_INTSTAT) &
1607                         (core->pci_irqmask | PCI_INT_VIDINT);
1608                 if (0 == status)
1609                         goto out;
1610                 cx_write(MO_PCI_INTSTAT, status);
1611                 handled = 1;
1612
1613                 if (status & core->pci_irqmask)
1614                         cx88_core_irq(core,status);
1615                 if (status & PCI_INT_VIDINT)
1616                         cx8800_vid_irq(dev);
1617         };
1618         if (10 == loop) {
1619                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1620                        core->name);
1621                 cx_write(MO_PCI_INTMSK,0);
1622         }
1623
1624  out:
1625         return IRQ_RETVAL(handled);
1626 }
1627
1628 /* ----------------------------------------------------------- */
1629 /* exported stuff                                              */
1630
1631 static const struct file_operations video_fops =
1632 {
1633         .owner         = THIS_MODULE,
1634         .open          = video_open,
1635         .release       = video_release,
1636         .read          = video_read,
1637         .poll          = video_poll,
1638         .mmap          = video_mmap,
1639         .ioctl         = video_ioctl2,
1640         .compat_ioctl  = v4l_compat_ioctl32,
1641         .llseek        = no_llseek,
1642 };
1643
1644 static struct video_device cx8800_vbi_template;
1645 static struct video_device cx8800_video_template =
1646 {
1647         .name                 = "cx8800-video",
1648         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1649         .fops                 = &video_fops,
1650         .minor                = -1,
1651         .vidioc_querycap      = vidioc_querycap,
1652         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1653         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1654         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1655         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1656         .vidioc_g_fmt_vbi     = cx8800_vbi_fmt,
1657         .vidioc_try_fmt_vbi   = cx8800_vbi_fmt,
1658         .vidioc_s_fmt_vbi     = cx8800_vbi_fmt,
1659         .vidioc_reqbufs       = vidioc_reqbufs,
1660         .vidioc_querybuf      = vidioc_querybuf,
1661         .vidioc_qbuf          = vidioc_qbuf,
1662         .vidioc_dqbuf         = vidioc_dqbuf,
1663         .vidioc_s_std         = vidioc_s_std,
1664         .vidioc_enum_input    = vidioc_enum_input,
1665         .vidioc_g_input       = vidioc_g_input,
1666         .vidioc_s_input       = vidioc_s_input,
1667         .vidioc_queryctrl     = vidioc_queryctrl,
1668         .vidioc_g_ctrl        = vidioc_g_ctrl,
1669         .vidioc_s_ctrl        = vidioc_s_ctrl,
1670         .vidioc_streamon      = vidioc_streamon,
1671         .vidioc_streamoff     = vidioc_streamoff,
1672 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1673         .vidiocgmbuf          = vidiocgmbuf,
1674 #endif
1675         .vidioc_g_tuner       = vidioc_g_tuner,
1676         .vidioc_s_tuner       = vidioc_s_tuner,
1677         .vidioc_g_frequency   = vidioc_g_frequency,
1678         .vidioc_s_frequency   = vidioc_s_frequency,
1679 #ifdef CONFIG_VIDEO_ADV_DEBUG
1680         .vidioc_g_register    = vidioc_g_register,
1681         .vidioc_s_register    = vidioc_s_register,
1682 #endif
1683         .tvnorms              = CX88_NORMS,
1684         .current_norm         = V4L2_STD_NTSC_M,
1685 };
1686
1687 static const struct file_operations radio_fops =
1688 {
1689         .owner         = THIS_MODULE,
1690         .open          = video_open,
1691         .release       = video_release,
1692         .ioctl         = video_ioctl2,
1693         .compat_ioctl  = v4l_compat_ioctl32,
1694         .llseek        = no_llseek,
1695 };
1696
1697 static struct video_device cx8800_radio_template =
1698 {
1699         .name                 = "cx8800-radio",
1700         .type                 = VID_TYPE_TUNER,
1701         .hardware             = 0,
1702         .fops                 = &radio_fops,
1703         .minor                = -1,
1704         .vidioc_querycap      = radio_querycap,
1705         .vidioc_g_tuner       = radio_g_tuner,
1706         .vidioc_enum_input    = radio_enum_input,
1707         .vidioc_g_audio       = radio_g_audio,
1708         .vidioc_s_tuner       = radio_s_tuner,
1709         .vidioc_s_audio       = radio_s_audio,
1710         .vidioc_s_input       = radio_s_input,
1711         .vidioc_queryctrl     = radio_queryctrl,
1712         .vidioc_g_ctrl        = vidioc_g_ctrl,
1713         .vidioc_s_ctrl        = vidioc_s_ctrl,
1714         .vidioc_g_frequency   = vidioc_g_frequency,
1715         .vidioc_s_frequency   = vidioc_s_frequency,
1716 #ifdef CONFIG_VIDEO_ADV_DEBUG
1717         .vidioc_g_register    = vidioc_g_register,
1718         .vidioc_s_register    = vidioc_s_register,
1719 #endif
1720 };
1721
1722 /* ----------------------------------------------------------- */
1723
1724 static void cx8800_unregister_video(struct cx8800_dev *dev)
1725 {
1726         if (dev->radio_dev) {
1727                 if (-1 != dev->radio_dev->minor)
1728                         video_unregister_device(dev->radio_dev);
1729                 else
1730                         video_device_release(dev->radio_dev);
1731                 dev->radio_dev = NULL;
1732         }
1733         if (dev->vbi_dev) {
1734                 if (-1 != dev->vbi_dev->minor)
1735                         video_unregister_device(dev->vbi_dev);
1736                 else
1737                         video_device_release(dev->vbi_dev);
1738                 dev->vbi_dev = NULL;
1739         }
1740         if (dev->video_dev) {
1741                 if (-1 != dev->video_dev->minor)
1742                         video_unregister_device(dev->video_dev);
1743                 else
1744                         video_device_release(dev->video_dev);
1745                 dev->video_dev = NULL;
1746         }
1747 }
1748
1749 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1750                                     const struct pci_device_id *pci_id)
1751 {
1752         struct cx8800_dev *dev;
1753         struct cx88_core *core;
1754
1755         int err;
1756
1757         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1758         if (NULL == dev)
1759                 return -ENOMEM;
1760
1761         /* pci init */
1762         dev->pci = pci_dev;
1763         if (pci_enable_device(pci_dev)) {
1764                 err = -EIO;
1765                 goto fail_free;
1766         }
1767         core = cx88_core_get(dev->pci);
1768         if (NULL == core) {
1769                 err = -EINVAL;
1770                 goto fail_free;
1771         }
1772         dev->core = core;
1773
1774         /* print pci info */
1775         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1776         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1777         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1778                "latency: %d, mmio: 0x%llx\n", core->name,
1779                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1780                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1781
1782         pci_set_master(pci_dev);
1783         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1784                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1785                 err = -EIO;
1786                 goto fail_core;
1787         }
1788
1789         /* Initialize VBI template */
1790         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1791                 sizeof(cx8800_vbi_template) );
1792         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1793         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1794
1795         /* initialize driver struct */
1796         spin_lock_init(&dev->slock);
1797         core->tvnorm = cx8800_video_template.current_norm;
1798
1799         /* init video dma queues */
1800         INIT_LIST_HEAD(&dev->vidq.active);
1801         INIT_LIST_HEAD(&dev->vidq.queued);
1802         dev->vidq.timeout.function = cx8800_vid_timeout;
1803         dev->vidq.timeout.data     = (unsigned long)dev;
1804         init_timer(&dev->vidq.timeout);
1805         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1806                           MO_VID_DMACNTRL,0x11,0x00);
1807
1808         /* init vbi dma queues */
1809         INIT_LIST_HEAD(&dev->vbiq.active);
1810         INIT_LIST_HEAD(&dev->vbiq.queued);
1811         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1812         dev->vbiq.timeout.data     = (unsigned long)dev;
1813         init_timer(&dev->vbiq.timeout);
1814         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1815                           MO_VID_DMACNTRL,0x88,0x00);
1816
1817         /* get irq */
1818         err = request_irq(pci_dev->irq, cx8800_irq,
1819                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1820         if (err < 0) {
1821                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1822                        core->name,pci_dev->irq);
1823                 goto fail_core;
1824         }
1825         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1826
1827         /* load and configure helper modules */
1828         if (TUNER_ABSENT != core->board.tuner_type)
1829                 request_module("tuner");
1830
1831         if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1832                 request_module("wm8775");
1833
1834         /* register v4l devices */
1835         dev->video_dev = cx88_vdev_init(core,dev->pci,
1836                                         &cx8800_video_template,"video");
1837         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1838                                     video_nr[core->nr]);
1839         if (err < 0) {
1840                 printk(KERN_ERR "%s/0: can't register video device\n",
1841                        core->name);
1842                 goto fail_unreg;
1843         }
1844         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1845                core->name,dev->video_dev->minor & 0x1f);
1846
1847         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1848         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1849                                     vbi_nr[core->nr]);
1850         if (err < 0) {
1851                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1852                        core->name);
1853                 goto fail_unreg;
1854         }
1855         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1856                core->name,dev->vbi_dev->minor & 0x1f);
1857
1858         if (core->board.radio.type == CX88_RADIO) {
1859                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1860                                                 &cx8800_radio_template,"radio");
1861                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1862                                             radio_nr[core->nr]);
1863                 if (err < 0) {
1864                         printk(KERN_ERR "%s/0: can't register radio device\n",
1865                                core->name);
1866                         goto fail_unreg;
1867                 }
1868                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1869                        core->name,dev->radio_dev->minor & 0x1f);
1870         }
1871
1872         /* everything worked */
1873         list_add_tail(&dev->devlist,&cx8800_devlist);
1874         pci_set_drvdata(pci_dev,dev);
1875
1876         /* initial device configuration */
1877         mutex_lock(&core->lock);
1878         cx88_set_tvnorm(core,core->tvnorm);
1879         init_controls(core);
1880         cx88_video_mux(core,0);
1881         mutex_unlock(&core->lock);
1882
1883         /* start tvaudio thread */
1884         if (core->board.tuner_type != TUNER_ABSENT) {
1885                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1886                 if (IS_ERR(core->kthread)) {
1887                         err = PTR_ERR(core->kthread);
1888                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1889                                core->name, err);
1890                 }
1891         }
1892         return 0;
1893
1894 fail_unreg:
1895         cx8800_unregister_video(dev);
1896         free_irq(pci_dev->irq, dev);
1897 fail_core:
1898         cx88_core_put(core,dev->pci);
1899 fail_free:
1900         kfree(dev);
1901         return err;
1902 }
1903
1904 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1905 {
1906         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1907         struct cx88_core *core = dev->core;
1908
1909         /* stop thread */
1910         if (core->kthread) {
1911                 kthread_stop(core->kthread);
1912                 core->kthread = NULL;
1913         }
1914
1915         cx88_shutdown(core); /* FIXME */
1916         pci_disable_device(pci_dev);
1917
1918         /* unregister stuff */
1919
1920         free_irq(pci_dev->irq, dev);
1921         cx8800_unregister_video(dev);
1922         pci_set_drvdata(pci_dev, NULL);
1923
1924         /* free memory */
1925         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1926         list_del(&dev->devlist);
1927         cx88_core_put(core,dev->pci);
1928         kfree(dev);
1929 }
1930
1931 #ifdef CONFIG_PM
1932 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1933 {
1934         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1935         struct cx88_core *core = dev->core;
1936
1937         /* stop video+vbi capture */
1938         spin_lock(&dev->slock);
1939         if (!list_empty(&dev->vidq.active)) {
1940                 printk("%s/0: suspend video\n", core->name);
1941                 stop_video_dma(dev);
1942                 del_timer(&dev->vidq.timeout);
1943         }
1944         if (!list_empty(&dev->vbiq.active)) {
1945                 printk("%s/0: suspend vbi\n", core->name);
1946                 cx8800_stop_vbi_dma(dev);
1947                 del_timer(&dev->vbiq.timeout);
1948         }
1949         spin_unlock(&dev->slock);
1950
1951         /* FIXME -- shutdown device */
1952         cx88_shutdown(core);
1953
1954         pci_save_state(pci_dev);
1955         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1956                 pci_disable_device(pci_dev);
1957                 dev->state.disabled = 1;
1958         }
1959         return 0;
1960 }
1961
1962 static int cx8800_resume(struct pci_dev *pci_dev)
1963 {
1964         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1965         struct cx88_core *core = dev->core;
1966         int err;
1967
1968         if (dev->state.disabled) {
1969                 err=pci_enable_device(pci_dev);
1970                 if (err) {
1971                         printk(KERN_ERR "%s/0: can't enable device\n",
1972                                core->name);
1973                         return err;
1974                 }
1975
1976                 dev->state.disabled = 0;
1977         }
1978         err= pci_set_power_state(pci_dev, PCI_D0);
1979         if (err) {
1980                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1981                 pci_disable_device(pci_dev);
1982                 dev->state.disabled = 1;
1983
1984                 return err;
1985         }
1986         pci_restore_state(pci_dev);
1987
1988         /* FIXME: re-initialize hardware */
1989         cx88_reset(core);
1990
1991         /* restart video+vbi capture */
1992         spin_lock(&dev->slock);
1993         if (!list_empty(&dev->vidq.active)) {
1994                 printk("%s/0: resume video\n", core->name);
1995                 restart_video_queue(dev,&dev->vidq);
1996         }
1997         if (!list_empty(&dev->vbiq.active)) {
1998                 printk("%s/0: resume vbi\n", core->name);
1999                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2000         }
2001         spin_unlock(&dev->slock);
2002
2003         return 0;
2004 }
2005 #endif
2006
2007 /* ----------------------------------------------------------- */
2008
2009 static struct pci_device_id cx8800_pci_tbl[] = {
2010         {
2011                 .vendor       = 0x14f1,
2012                 .device       = 0x8800,
2013                 .subvendor    = PCI_ANY_ID,
2014                 .subdevice    = PCI_ANY_ID,
2015         },{
2016                 /* --- end of list --- */
2017         }
2018 };
2019 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2020
2021 static struct pci_driver cx8800_pci_driver = {
2022         .name     = "cx8800",
2023         .id_table = cx8800_pci_tbl,
2024         .probe    = cx8800_initdev,
2025         .remove   = __devexit_p(cx8800_finidev),
2026 #ifdef CONFIG_PM
2027         .suspend  = cx8800_suspend,
2028         .resume   = cx8800_resume,
2029 #endif
2030 };
2031
2032 static int cx8800_init(void)
2033 {
2034         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2035                (CX88_VERSION_CODE >> 16) & 0xff,
2036                (CX88_VERSION_CODE >>  8) & 0xff,
2037                CX88_VERSION_CODE & 0xff);
2038 #ifdef SNAPSHOT
2039         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2040                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2041 #endif
2042         return pci_register_driver(&cx8800_pci_driver);
2043 }
2044
2045 static void cx8800_fini(void)
2046 {
2047         pci_unregister_driver(&cx8800_pci_driver);
2048 }
2049
2050 module_init(cx8800_init);
2051 module_exit(cx8800_fini);
2052
2053 /* ----------------------------------------------------------- */
2054 /*
2055  * Local variables:
2056  * c-basic-offset: 8
2057  * End:
2058  * 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
2059  */