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
 470         if (!list_empty(&q->active)) {
 471                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 472                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 473                         buf, buf->vb.i);
 474                 start_video_dma(dev, q, buf);
 475                 list_for_each_entry(buf, &q->active, vb.queue)
 476                         buf->count = q->count++;
 477                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 478                 return 0;
 479         }
 480
 481         prev = NULL;
 482         for (;;) {
 483                 if (list_empty(&q->queued))
 484                         return 0;
 485                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 486                 if (NULL == prev) {
 487                         list_move_tail(&buf->vb.queue, &q->active);
 488                         start_video_dma(dev, q, buf);
 489                         buf->vb.state = STATE_ACTIVE;
 490                         buf->count    = q->count++;
 491                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 492                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 493                                 buf,buf->vb.i);
 494
 495                 } else if (prev->vb.width  == buf->vb.width  &&
 496                            prev->vb.height == buf->vb.height &&
 497                            prev->fmt       == buf->fmt) {
 498                         list_move_tail(&buf->vb.queue, &q->active);
 499                         buf->vb.state = STATE_ACTIVE;
 500                         buf->count    = q->count++;
 501                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 502                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 503                                 buf,buf->vb.i);
 504                 } else {
 505                         return 0;
 506                 }
 507                 prev = buf;
 508         }
 509 }
 510
 511 /* ------------------------------------------------------------------ */
 512
 513 static int
 514 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 515 {
 516         struct cx8800_fh *fh = q->priv_data;
 517
 518         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 519         if (0 == *count)
 520                 *count = 32;
 521         while (*size * *count > vid_limit * 1024 * 1024)
 522                 (*count)--;
 523         return 0;
 524 }
 525
 526 static int
 527 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 528                enum v4l2_field field)
 529 {
 530         struct cx8800_fh   *fh  = q->priv_data;
 531         struct cx8800_dev  *dev = fh->dev;
 532         struct cx88_core *core = dev->core;
 533         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 534         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 535         int rc, init_buffer = 0;
 536
 537         BUG_ON(NULL == fh->fmt);
 538         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 539             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 540                 return -EINVAL;
 541         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 542         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 543                 return -EINVAL;
 544
 545         if (buf->fmt       != fh->fmt    ||
 546             buf->vb.width  != fh->width  ||
 547             buf->vb.height != fh->height ||
 548             buf->vb.field  != field) {
 549                 buf->fmt       = fh->fmt;
 550                 buf->vb.width  = fh->width;
 551                 buf->vb.height = fh->height;
 552                 buf->vb.field  = field;
 553                 init_buffer = 1;
 554         }
 555
 556         if (STATE_NEEDS_INIT == buf->vb.state) {
 557                 init_buffer = 1;
 558                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 559                         goto fail;
 560         }
 561
 562         if (init_buffer) {
 563                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 564                 switch (buf->vb.field) {
 565                 case V4L2_FIELD_TOP:
 566                         cx88_risc_buffer(dev->pci, &buf->risc,
 567                                          dma->sglist, 0, UNSET,
 568                                          buf->bpl, 0, buf->vb.height);
 569                         break;
 570                 case V4L2_FIELD_BOTTOM:
 571                         cx88_risc_buffer(dev->pci, &buf->risc,
 572                                          dma->sglist, UNSET, 0,
 573                                          buf->bpl, 0, buf->vb.height);
 574                         break;
 575                 case V4L2_FIELD_INTERLACED:
 576                         cx88_risc_buffer(dev->pci, &buf->risc,
 577                                          dma->sglist, 0, buf->bpl,
 578                                          buf->bpl, buf->bpl,
 579                                          buf->vb.height >> 1);
 580                         break;
 581                 case V4L2_FIELD_SEQ_TB:
 582                         cx88_risc_buffer(dev->pci, &buf->risc,
 583                                          dma->sglist,
 584                                          0, buf->bpl * (buf->vb.height >> 1),
 585                                          buf->bpl, 0,
 586                                          buf->vb.height >> 1);
 587                         break;
 588                 case V4L2_FIELD_SEQ_BT:
 589                         cx88_risc_buffer(dev->pci, &buf->risc,
 590                                          dma->sglist,
 591                                          buf->bpl * (buf->vb.height >> 1), 0,
 592                                          buf->bpl, 0,
 593                                          buf->vb.height >> 1);
 594                         break;
 595                 default:
 596                         BUG();
 597                 }
 598         }
 599         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 600                 buf, buf->vb.i,
 601                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 602                 (unsigned long)buf->risc.dma);
 603
 604         buf->vb.state = STATE_PREPARED;
 605         return 0;
 606
 607  fail:
 608         cx88_free_buffer(q,buf);
 609         return rc;
 610 }
 611
 612 static void
 613 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 614 {
 615         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 616         struct cx88_buffer    *prev;
 617         struct cx8800_fh      *fh   = vq->priv_data;
 618         struct cx8800_dev     *dev  = fh->dev;
 619         struct cx88_core      *core = dev->core;
 620         struct cx88_dmaqueue  *q    = &dev->vidq;
 621
 622         /* add jump to stopper */
 623         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 624         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 625
 626         if (!list_empty(&q->queued)) {
 627                 list_add_tail(&buf->vb.queue,&q->queued);
 628                 buf->vb.state = STATE_QUEUED;
 629                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 630                         buf, buf->vb.i);
 631
 632         } else if (list_empty(&q->active)) {
 633                 list_add_tail(&buf->vb.queue,&q->active);
 634                 start_video_dma(dev, q, buf);
 635                 buf->vb.state = STATE_ACTIVE;
 636                 buf->count    = q->count++;
 637                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 638                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 639                         buf, buf->vb.i);
 640
 641         } else {
 642                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 643                 if (prev->vb.width  == buf->vb.width  &&
 644                     prev->vb.height == buf->vb.height &&
 645                     prev->fmt       == buf->fmt) {
 646                         list_add_tail(&buf->vb.queue,&q->active);
 647                         buf->vb.state = STATE_ACTIVE;
 648                         buf->count    = q->count++;
 649                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 650                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 651                                 buf, buf->vb.i);
 652
 653                 } else {
 654                         list_add_tail(&buf->vb.queue,&q->queued);
 655                         buf->vb.state = STATE_QUEUED;
 656                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 657                                 buf, buf->vb.i);
 658                 }
 659         }
 660 }
 661
 662 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 663 {
 664         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 665
 666         cx88_free_buffer(q,buf);
 667 }
 668
 669 static struct videobuf_queue_ops cx8800_video_qops = {
 670         .buf_setup    = buffer_setup,
 671         .buf_prepare  = buffer_prepare,
 672         .buf_queue    = buffer_queue,
 673         .buf_release  = buffer_release,
 674 };
 675
 676 /* ------------------------------------------------------------------ */
 677
 678
 679 /* ------------------------------------------------------------------ */
 680
 681 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 682 {
 683         switch (fh->type) {
 684         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 685                 return &fh->vidq;
 686         case V4L2_BUF_TYPE_VBI_CAPTURE:
 687                 return &fh->vbiq;
 688         default:
 689                 BUG();
 690                 return NULL;
 691         }
 692 }
 693
 694 static int get_ressource(struct cx8800_fh *fh)
 695 {
 696         switch (fh->type) {
 697         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 698                 return RESOURCE_VIDEO;
 699         case V4L2_BUF_TYPE_VBI_CAPTURE:
 700                 return RESOURCE_VBI;
 701         default:
 702                 BUG();
 703                 return 0;
 704         }
 705 }
 706
 707 static int video_open(struct inode *inode, struct file *file)
 708 {
 709         int minor = iminor(inode);
 710         struct cx8800_dev *h,*dev = NULL;
 711         struct cx88_core *core;
 712         struct cx8800_fh *fh;
 713         enum v4l2_buf_type type = 0;
 714         int radio = 0;
 715
 716         list_for_each_entry(h, &cx8800_devlist, devlist) {
 717                 if (h->video_dev->minor == minor) {
 718                         dev  = h;
 719                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 720                 }
 721                 if (h->vbi_dev->minor == minor) {
 722                         dev  = h;
 723                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 724                 }
 725                 if (h->radio_dev &&
 726                     h->radio_dev->minor == minor) {
 727                         radio = 1;
 728                         dev   = h;
 729                 }
 730         }
 731         if (NULL == dev)
 732                 return -ENODEV;
 733
 734         core = dev->core;
 735
 736         dprintk(1,"open minor=%d radio=%d type=%s\n",
 737                 minor,radio,v4l2_type_names[type]);
 738
 739         /* allocate + initialize per filehandle data */
 740         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 741         if (NULL == fh)
 742                 return -ENOMEM;
 743         file->private_data = fh;
 744         fh->dev      = dev;
 745         fh->radio    = radio;
 746         fh->type     = type;
 747         fh->width    = 320;
 748         fh->height   = 240;
 749         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 750
 751         videobuf_queue_pci_init(&fh->vidq, &cx8800_video_qops,
 752                             dev->pci, &dev->slock,
 753                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 754                             V4L2_FIELD_INTERLACED,
 755                             sizeof(struct cx88_buffer),
 756                             fh);
 757         videobuf_queue_pci_init(&fh->vbiq, &cx8800_vbi_qops,
 758                             dev->pci, &dev->slock,
 759                             V4L2_BUF_TYPE_VBI_CAPTURE,
 760                             V4L2_FIELD_SEQ_TB,
 761                             sizeof(struct cx88_buffer),
 762                             fh);
 763
 764         if (fh->radio) {
 765                 dprintk(1,"video_open: setting radio device\n");
 766                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 767                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 768                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 769                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 770                 core->tvaudio = WW_FM;
 771                 cx88_set_tvaudio(core);
 772                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 773                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 774         }
 775
 776         return 0;
 777 }
 778
 779 static ssize_t
 780 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 781 {
 782         struct cx8800_fh *fh = file->private_data;
 783
 784         switch (fh->type) {
 785         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 786                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 787                         return -EBUSY;
 788                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 789                                          file->f_flags & O_NONBLOCK);
 790         case V4L2_BUF_TYPE_VBI_CAPTURE:
 791                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 792                         return -EBUSY;
 793                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 794                                             file->f_flags & O_NONBLOCK);
 795         default:
 796                 BUG();
 797                 return 0;
 798         }
 799 }
 800
 801 static unsigned int
 802 video_poll(struct file *file, struct poll_table_struct *wait)
 803 {
 804         struct cx8800_fh *fh = file->private_data;
 805         struct cx88_buffer *buf;
 806
 807         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 808                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 809                         return POLLERR;
 810                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 811         }
 812
 813         if (res_check(fh,RESOURCE_VIDEO)) {
 814                 /* streaming capture */
 815                 if (list_empty(&fh->vidq.stream))
 816                         return POLLERR;
 817                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 818         } else {
 819                 /* read() capture */
 820                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 821                 if (NULL == buf)
 822                         return POLLERR;
 823         }
 824         poll_wait(file, &buf->vb.done, wait);
 825         if (buf->vb.state == STATE_DONE ||
 826             buf->vb.state == STATE_ERROR)
 827                 return POLLIN|POLLRDNORM;
 828         return 0;
 829 }
 830
 831 static int video_release(struct inode *inode, struct file *file)
 832 {
 833         struct cx8800_fh  *fh  = file->private_data;
 834         struct cx8800_dev *dev = fh->dev;
 835
 836         /* turn off overlay */
 837         if (res_check(fh, RESOURCE_OVERLAY)) {
 838                 /* FIXME */
 839                 res_free(dev,fh,RESOURCE_OVERLAY);
 840         }
 841
 842         /* stop video capture */
 843         if (res_check(fh, RESOURCE_VIDEO)) {
 844                 videobuf_queue_cancel(&fh->vidq);
 845                 res_free(dev,fh,RESOURCE_VIDEO);
 846         }
 847         if (fh->vidq.read_buf) {
 848                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 849                 kfree(fh->vidq.read_buf);
 850         }
 851
 852         /* stop vbi capture */
 853         if (res_check(fh, RESOURCE_VBI)) {
 854                 if (fh->vbiq.streaming)
 855                         videobuf_streamoff(&fh->vbiq);
 856                 if (fh->vbiq.reading)
 857                         videobuf_read_stop(&fh->vbiq);
 858                 res_free(dev,fh,RESOURCE_VBI);
 859         }
 860
 861         videobuf_mmap_free(&fh->vidq);
 862         videobuf_mmap_free(&fh->vbiq);
 863         file->private_data = NULL;
 864         kfree(fh);
 865
 866         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 867
 868         return 0;
 869 }
 870
 871 static int
 872 video_mmap(struct file *file, struct vm_area_struct * vma)
 873 {
 874         struct cx8800_fh *fh = file->private_data;
 875
 876         return videobuf_mmap_mapper(get_queue(fh), vma);
 877 }
 878
 879 /* ------------------------------------------------------------------ */
 880 /* VIDEO CTRL IOCTLS                                                  */
 881
 882 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 883 {
 884         struct cx88_ctrl  *c    = NULL;
 885         u32 value;
 886         int i;
 887
 888         for (i = 0; i < CX8800_CTLS; i++)
 889                 if (cx8800_ctls[i].v.id == ctl->id)
 890                         c = &cx8800_ctls[i];
 891         if (unlikely(NULL == c))
 892                 return -EINVAL;
 893
 894         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 895         switch (ctl->id) {
 896         case V4L2_CID_AUDIO_BALANCE:
 897                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 898                                         : (0x7f - (value & 0x7f));
 899                 break;
 900         case V4L2_CID_AUDIO_VOLUME:
 901                 ctl->value = 0x3f - (value & 0x3f);
 902                 break;
 903         default:
 904                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 905                 break;
 906         }
 907         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 908                                 ctl->id, c->v.name, ctl->value, c->reg,
 909                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 910         return 0;
 911 }
 912 EXPORT_SYMBOL(cx88_get_control);
 913
 914 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 915 {
 916         struct cx88_ctrl *c = NULL;
 917         u32 value,mask;
 918         int i;
 919
 920         for (i = 0; i < CX8800_CTLS; i++) {
 921                 if (cx8800_ctls[i].v.id == ctl->id) {
 922                         c = &cx8800_ctls[i];
 923                 }
 924         }
 925         if (unlikely(NULL == c))
 926                 return -EINVAL;
 927
 928         if (ctl->value < c->v.minimum)
 929                 ctl->value = c->v.minimum;
 930         if (ctl->value > c->v.maximum)
 931                 ctl->value = c->v.maximum;
 932         mask=c->mask;
 933         switch (ctl->id) {
 934         case V4L2_CID_AUDIO_BALANCE:
 935                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 936                 break;
 937         case V4L2_CID_AUDIO_VOLUME:
 938                 value = 0x3f - (ctl->value & 0x3f);
 939                 break;
 940         case V4L2_CID_SATURATION:
 941                 /* special v_sat handling */
 942
 943                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 944
 945                 if (core->tvnorm & V4L2_STD_SECAM) {
 946                         /* For SECAM, both U and V sat should be equal */
 947                         value=value<<8|value;
 948                 } else {
 949                         /* Keeps U Saturation proportional to V Sat */
 950                         value=(value*0x5a)/0x7f<<8|value;
 951                 }
 952                 mask=0xffff;
 953                 break;
 954         default:
 955                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 956                 break;
 957         }
 958         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 959                                 ctl->id, c->v.name, ctl->value, c->reg, value,
 960                                 mask, c->sreg ? " [shadowed]" : "");
 961         if (c->sreg) {
 962                 cx_sandor(c->sreg, c->reg, mask, value);
 963         } else {
 964                 cx_andor(c->reg, mask, value);
 965         }
 966         return 0;
 967 }
 968 EXPORT_SYMBOL(cx88_set_control);
 969
 970 static void init_controls(struct cx88_core *core)
 971 {
 972         struct v4l2_control ctrl;
 973         int i;
 974
 975         for (i = 0; i < CX8800_CTLS; i++) {
 976                 ctrl.id=cx8800_ctls[i].v.id;
 977                 ctrl.value=cx8800_ctls[i].v.default_value;
 978
 979                 cx88_set_control(core, &ctrl);
 980         }
 981 }
 982
 983 /* ------------------------------------------------------------------ */
 984 /* VIDEO IOCTLS                                                       */
 985
 986 static int vidioc_g_fmt_cap (struct file *file, void *priv,
 987                                         struct v4l2_format *f)
 988 {
 989         struct cx8800_fh  *fh   = priv;
 990
 991         f->fmt.pix.width        = fh->width;
 992         f->fmt.pix.height       = fh->height;
 993         f->fmt.pix.field        = fh->vidq.field;
 994         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
 995         f->fmt.pix.bytesperline =
 996                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
 997         f->fmt.pix.sizeimage =
 998                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 999         return 0;
1000 }
1001
1002 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1003                         struct v4l2_format *f)
1004 {
1005         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1006         struct cx8800_fmt *fmt;
1007         enum v4l2_field   field;
1008         unsigned int      maxw, maxh;
1009
1010         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1011         if (NULL == fmt)
1012                 return -EINVAL;
1013
1014         field = f->fmt.pix.field;
1015         maxw  = norm_maxw(core->tvnorm);
1016         maxh  = norm_maxh(core->tvnorm);
1017
1018         if (V4L2_FIELD_ANY == field) {
1019                 field = (f->fmt.pix.height > maxh/2)
1020                         ? V4L2_FIELD_INTERLACED
1021                         : V4L2_FIELD_BOTTOM;
1022         }
1023
1024         switch (field) {
1025         case V4L2_FIELD_TOP:
1026         case V4L2_FIELD_BOTTOM:
1027                 maxh = maxh / 2;
1028                 break;
1029         case V4L2_FIELD_INTERLACED:
1030                 break;
1031         default:
1032                 return -EINVAL;
1033         }
1034
1035         f->fmt.pix.field = field;
1036         if (f->fmt.pix.height < 32)
1037                 f->fmt.pix.height = 32;
1038         if (f->fmt.pix.height > maxh)
1039                 f->fmt.pix.height = maxh;
1040         if (f->fmt.pix.width < 48)
1041                 f->fmt.pix.width = 48;
1042         if (f->fmt.pix.width > maxw)
1043                 f->fmt.pix.width = maxw;
1044         f->fmt.pix.width &= ~0x03;
1045         f->fmt.pix.bytesperline =
1046                 (f->fmt.pix.width * fmt->depth) >> 3;
1047         f->fmt.pix.sizeimage =
1048                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1049
1050         return 0;
1051 }
1052
1053 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1054                                         struct v4l2_format *f)
1055 {
1056         struct cx8800_fh  *fh   = priv;
1057         int err = vidioc_try_fmt_cap (file,priv,f);
1058
1059         if (0 != err)
1060                 return err;
1061         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1062         fh->width      = f->fmt.pix.width;
1063         fh->height     = f->fmt.pix.height;
1064         fh->vidq.field = f->fmt.pix.field;
1065         return 0;
1066 }
1067
1068 static int vidioc_querycap (struct file *file, void  *priv,
1069                                         struct v4l2_capability *cap)
1070 {
1071         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1072         struct cx88_core  *core = dev->core;
1073
1074         strcpy(cap->driver, "cx8800");
1075         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1076         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1077         cap->version = CX88_VERSION_CODE;
1078         cap->capabilities =
1079                 V4L2_CAP_VIDEO_CAPTURE |
1080                 V4L2_CAP_READWRITE     |
1081                 V4L2_CAP_STREAMING     |
1082                 V4L2_CAP_VBI_CAPTURE;
1083         if (UNSET != core->board.tuner_type)
1084                 cap->capabilities |= V4L2_CAP_TUNER;
1085         return 0;
1086 }
1087
1088 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
1089                                         struct v4l2_fmtdesc *f)
1090 {
1091         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1092                 return -EINVAL;
1093
1094         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1095         f->pixelformat = formats[f->index].fourcc;
1096
1097         return 0;
1098 }
1099
1100 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1101 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1102 {
1103         struct cx8800_fh           *fh  = priv;
1104
1105         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1106 }
1107 #endif
1108
1109 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1110 {
1111         struct cx8800_fh  *fh   = priv;
1112         return (videobuf_reqbufs(get_queue(fh), p));
1113 }
1114
1115 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1116 {
1117         struct cx8800_fh  *fh   = priv;
1118         return (videobuf_querybuf(get_queue(fh), p));
1119 }
1120
1121 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1122 {
1123         struct cx8800_fh  *fh   = priv;
1124         return (videobuf_qbuf(get_queue(fh), p));
1125 }
1126
1127 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1128 {
1129         struct cx8800_fh  *fh   = priv;
1130         return (videobuf_dqbuf(get_queue(fh), p,
1131                                 file->f_flags & O_NONBLOCK));
1132 }
1133
1134 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1135 {
1136         struct cx8800_fh  *fh   = priv;
1137         struct cx8800_dev *dev  = fh->dev;
1138
1139         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1140                 return -EINVAL;
1141         if (unlikely(i != fh->type))
1142                 return -EINVAL;
1143
1144         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1145                 return -EBUSY;
1146         return videobuf_streamon(get_queue(fh));
1147 }
1148
1149 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1150 {
1151         struct cx8800_fh  *fh   = priv;
1152         struct cx8800_dev *dev  = fh->dev;
1153         int               err, res;
1154
1155         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1156                 return -EINVAL;
1157         if (i != fh->type)
1158                 return -EINVAL;
1159
1160         res = get_ressource(fh);
1161         err = videobuf_streamoff(get_queue(fh));
1162         if (err < 0)
1163                 return err;
1164         res_free(dev,fh,res);
1165         return 0;
1166 }
1167
1168 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1169 {
1170         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1171
1172         mutex_lock(&core->lock);
1173         cx88_set_tvnorm(core,*tvnorms);
1174         mutex_unlock(&core->lock);
1175
1176         return 0;
1177 }
1178
1179 /* only one input in this sample driver */
1180 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1181 {
1182         static const char *iname[] = {
1183                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1184                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1185                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1186                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1187                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1188                 [ CX88_VMUX_TELEVISION ] = "Television",
1189                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1190                 [ CX88_VMUX_DVB        ] = "DVB",
1191                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1192         };
1193         unsigned int n;
1194
1195         n = i->index;
1196         if (n >= 4)
1197                 return -EINVAL;
1198         if (0 == INPUT(n).type)
1199                 return -EINVAL;
1200         memset(i,0,sizeof(*i));
1201         i->index = n;
1202         i->type  = V4L2_INPUT_TYPE_CAMERA;
1203         strcpy(i->name,iname[INPUT(n).type]);
1204         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1205             (CX88_VMUX_CABLE      == INPUT(n).type))
1206                 i->type = V4L2_INPUT_TYPE_TUNER;
1207                 i->std = CX88_NORMS;
1208         return 0;
1209 }
1210 EXPORT_SYMBOL(cx88_enum_input);
1211
1212 static int vidioc_enum_input (struct file *file, void *priv,
1213                                 struct v4l2_input *i)
1214 {
1215         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1216         return cx88_enum_input (core,i);
1217 }
1218
1219 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1220 {
1221         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1222
1223         *i = core->input;
1224         return 0;
1225 }
1226
1227 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1228 {
1229         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1230
1231         if (i >= 4)
1232                 return -EINVAL;
1233
1234         mutex_lock(&core->lock);
1235         cx88_newstation(core);
1236         cx88_video_mux(core,i);
1237         mutex_unlock(&core->lock);
1238         return 0;
1239 }
1240
1241
1242
1243 static int vidioc_queryctrl (struct file *file, void *priv,
1244                                 struct v4l2_queryctrl *qctrl)
1245 {
1246         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1247         if (unlikely(qctrl->id == 0))
1248                 return -EINVAL;
1249         return cx8800_ctrl_query(qctrl);
1250 }
1251
1252 static int vidioc_g_ctrl (struct file *file, void *priv,
1253                                 struct v4l2_control *ctl)
1254 {
1255         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1256         return
1257                 cx88_get_control(core,ctl);
1258 }
1259
1260 static int vidioc_s_ctrl (struct file *file, void *priv,
1261                                 struct v4l2_control *ctl)
1262 {
1263         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1264         return
1265                 cx88_set_control(core,ctl);
1266 }
1267
1268 static int vidioc_g_tuner (struct file *file, void *priv,
1269                                 struct v4l2_tuner *t)
1270 {
1271         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1272         u32 reg;
1273
1274         if (unlikely(UNSET == core->board.tuner_type))
1275                 return -EINVAL;
1276         if (0 != t->index)
1277                 return -EINVAL;
1278
1279         strcpy(t->name, "Television");
1280         t->type       = V4L2_TUNER_ANALOG_TV;
1281         t->capability = V4L2_TUNER_CAP_NORM;
1282         t->rangehigh  = 0xffffffffUL;
1283
1284         cx88_get_stereo(core ,t);
1285         reg = cx_read(MO_DEVICE_STATUS);
1286         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1287         return 0;
1288 }
1289
1290 static int vidioc_s_tuner (struct file *file, void *priv,
1291                                 struct v4l2_tuner *t)
1292 {
1293         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1294
1295         if (UNSET == core->board.tuner_type)
1296                 return -EINVAL;
1297         if (0 != t->index)
1298                 return -EINVAL;
1299
1300         cx88_set_stereo(core, t->audmode, 1);
1301         return 0;
1302 }
1303
1304 static int vidioc_g_frequency (struct file *file, void *priv,
1305                                 struct v4l2_frequency *f)
1306 {
1307         struct cx8800_fh  *fh   = priv;
1308         struct cx88_core  *core = fh->dev->core;
1309
1310         if (unlikely(UNSET == core->board.tuner_type))
1311                 return -EINVAL;
1312
1313         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1314         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1315         f->frequency = core->freq;
1316
1317         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1318
1319         return 0;
1320 }
1321
1322 int cx88_set_freq (struct cx88_core  *core,
1323                                 struct v4l2_frequency *f)
1324 {
1325         if (unlikely(UNSET == core->board.tuner_type))
1326                 return -EINVAL;
1327         if (unlikely(f->tuner != 0))
1328                 return -EINVAL;
1329
1330         mutex_lock(&core->lock);
1331         core->freq = f->frequency;
1332         cx88_newstation(core);
1333         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1334
1335         /* When changing channels it is required to reset TVAUDIO */
1336         msleep (10);
1337         cx88_set_tvaudio(core);
1338
1339         mutex_unlock(&core->lock);
1340
1341         return 0;
1342 }
1343 EXPORT_SYMBOL(cx88_set_freq);
1344
1345 static int vidioc_s_frequency (struct file *file, void *priv,
1346                                 struct v4l2_frequency *f)
1347 {
1348         struct cx8800_fh  *fh   = priv;
1349         struct cx88_core  *core = fh->dev->core;
1350
1351         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1352                 return -EINVAL;
1353         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1354                 return -EINVAL;
1355
1356         return
1357                 cx88_set_freq (core,f);
1358 }
1359
1360 #ifdef CONFIG_VIDEO_ADV_DEBUG
1361 static int vidioc_g_register (struct file *file, void *fh,
1362                                 struct v4l2_register *reg)
1363 {
1364         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1365
1366         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1367                 return -EINVAL;
1368         /* cx2388x has a 24-bit register space */
1369         reg->val = cx_read(reg->reg&0xffffff);
1370         return 0;
1371 }
1372
1373 static int vidioc_s_register (struct file *file, void *fh,
1374                                 struct v4l2_register *reg)
1375 {
1376         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1377
1378         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1379                 return -EINVAL;
1380         cx_write(reg->reg&0xffffff, reg->val);
1381         return 0;
1382 }
1383 #endif
1384
1385 /* ----------------------------------------------------------- */
1386 /* RADIO ESPECIFIC IOCTLS                                      */
1387 /* ----------------------------------------------------------- */
1388
1389 static int radio_querycap (struct file *file, void  *priv,
1390                                         struct v4l2_capability *cap)
1391 {
1392         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1393         struct cx88_core  *core = dev->core;
1394
1395         strcpy(cap->driver, "cx8800");
1396         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1397         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1398         cap->version = CX88_VERSION_CODE;
1399         cap->capabilities = V4L2_CAP_TUNER;
1400         return 0;
1401 }
1402
1403 static int radio_g_tuner (struct file *file, void *priv,
1404                                 struct v4l2_tuner *t)
1405 {
1406         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1407
1408         if (unlikely(t->index > 0))
1409                 return -EINVAL;
1410
1411         strcpy(t->name, "Radio");
1412         t->type = V4L2_TUNER_RADIO;
1413
1414         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1415         return 0;
1416 }
1417
1418 static int radio_enum_input (struct file *file, void *priv,
1419                                 struct v4l2_input *i)
1420 {
1421         if (i->index != 0)
1422                 return -EINVAL;
1423         strcpy(i->name,"Radio");
1424         i->type = V4L2_INPUT_TYPE_TUNER;
1425
1426         return 0;
1427 }
1428
1429 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1430 {
1431         if (unlikely(a->index))
1432                 return -EINVAL;
1433
1434         memset(a,0,sizeof(*a));
1435         strcpy(a->name,"Radio");
1436         return 0;
1437 }
1438
1439 /* FIXME: Should add a standard for radio */
1440
1441 static int radio_s_tuner (struct file *file, void *priv,
1442                                 struct v4l2_tuner *t)
1443 {
1444         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1445
1446         if (0 != t->index)
1447                 return -EINVAL;
1448
1449         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1450
1451         return 0;
1452 }
1453
1454 static int radio_s_audio (struct file *file, void *fh,
1455                           struct v4l2_audio *a)
1456 {
1457         return 0;
1458 }
1459
1460 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1461 {
1462         return 0;
1463 }
1464
1465 static int radio_queryctrl (struct file *file, void *priv,
1466                             struct v4l2_queryctrl *c)
1467 {
1468         int i;
1469
1470         if (c->id <  V4L2_CID_BASE ||
1471                 c->id >= V4L2_CID_LASTP1)
1472                 return -EINVAL;
1473         if (c->id == V4L2_CID_AUDIO_MUTE) {
1474                 for (i = 0; i < CX8800_CTLS; i++)
1475                         if (cx8800_ctls[i].v.id == c->id)
1476                                 break;
1477                 *c = cx8800_ctls[i].v;
1478         } else
1479                 *c = no_ctl;
1480         return 0;
1481 }
1482
1483 /* ----------------------------------------------------------- */
1484
1485 static void cx8800_vid_timeout(unsigned long data)
1486 {
1487         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1488         struct cx88_core *core = dev->core;
1489         struct cx88_dmaqueue *q = &dev->vidq;
1490         struct cx88_buffer *buf;
1491         unsigned long flags;
1492
1493         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1494
1495         cx_clear(MO_VID_DMACNTRL, 0x11);
1496         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1497
1498         spin_lock_irqsave(&dev->slock,flags);
1499         while (!list_empty(&q->active)) {
1500                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1501                 list_del(&buf->vb.queue);
1502                 buf->vb.state = STATE_ERROR;
1503                 wake_up(&buf->vb.done);
1504                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1505                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1506         }
1507         restart_video_queue(dev,q);
1508         spin_unlock_irqrestore(&dev->slock,flags);
1509 }
1510
1511 static char *cx88_vid_irqs[32] = {
1512         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1513         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1514         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1515         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1516         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1517 };
1518
1519 static void cx8800_vid_irq(struct cx8800_dev *dev)
1520 {
1521         struct cx88_core *core = dev->core;
1522         u32 status, mask, count;
1523
1524         status = cx_read(MO_VID_INTSTAT);
1525         mask   = cx_read(MO_VID_INTMSK);
1526         if (0 == (status & mask))
1527                 return;
1528         cx_write(MO_VID_INTSTAT, status);
1529         if (irq_debug  ||  (status & mask & ~0xff))
1530                 cx88_print_irqbits(core->name, "irq vid",
1531                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1532                                    status, mask);
1533
1534         /* risc op code error */
1535         if (status & (1 << 16)) {
1536                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1537                 cx_clear(MO_VID_DMACNTRL, 0x11);
1538                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1539                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1540         }
1541
1542         /* risc1 y */
1543         if (status & 0x01) {
1544                 spin_lock(&dev->slock);
1545                 count = cx_read(MO_VIDY_GPCNT);
1546                 cx88_wakeup(core, &dev->vidq, count);
1547                 spin_unlock(&dev->slock);
1548         }
1549
1550         /* risc1 vbi */
1551         if (status & 0x08) {
1552                 spin_lock(&dev->slock);
1553                 count = cx_read(MO_VBI_GPCNT);
1554                 cx88_wakeup(core, &dev->vbiq, count);
1555                 spin_unlock(&dev->slock);
1556         }
1557
1558         /* risc2 y */
1559         if (status & 0x10) {
1560                 dprintk(2,"stopper video\n");
1561                 spin_lock(&dev->slock);
1562                 restart_video_queue(dev,&dev->vidq);
1563                 spin_unlock(&dev->slock);
1564         }
1565
1566         /* risc2 vbi */
1567         if (status & 0x80) {
1568                 dprintk(2,"stopper vbi\n");
1569                 spin_lock(&dev->slock);
1570                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1571                 spin_unlock(&dev->slock);
1572         }
1573 }
1574
1575 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1576 {
1577         struct cx8800_dev *dev = dev_id;
1578         struct cx88_core *core = dev->core;
1579         u32 status;
1580         int loop, handled = 0;
1581
1582         for (loop = 0; loop < 10; loop++) {
1583                 status = cx_read(MO_PCI_INTSTAT) &
1584                         (core->pci_irqmask | PCI_INT_VIDINT);
1585                 if (0 == status)
1586                         goto out;
1587                 cx_write(MO_PCI_INTSTAT, status);
1588                 handled = 1;
1589
1590                 if (status & core->pci_irqmask)
1591                         cx88_core_irq(core,status);
1592                 if (status & PCI_INT_VIDINT)
1593                         cx8800_vid_irq(dev);
1594         };
1595         if (10 == loop) {
1596                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1597                        core->name);
1598                 cx_write(MO_PCI_INTMSK,0);
1599         }
1600
1601  out:
1602         return IRQ_RETVAL(handled);
1603 }
1604
1605 /* ----------------------------------------------------------- */
1606 /* exported stuff                                              */
1607
1608 static const struct file_operations video_fops =
1609 {
1610         .owner         = THIS_MODULE,
1611         .open          = video_open,
1612         .release       = video_release,
1613         .read          = video_read,
1614         .poll          = video_poll,
1615         .mmap          = video_mmap,
1616         .ioctl         = video_ioctl2,
1617         .compat_ioctl  = v4l_compat_ioctl32,
1618         .llseek        = no_llseek,
1619 };
1620
1621 static struct video_device cx8800_vbi_template;
1622 static struct video_device cx8800_video_template =
1623 {
1624         .name                 = "cx8800-video",
1625         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1626         .fops                 = &video_fops,
1627         .minor                = -1,
1628         .vidioc_querycap      = vidioc_querycap,
1629         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1630         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1631         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1632         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1633         .vidioc_g_fmt_vbi     = cx8800_vbi_fmt,
1634         .vidioc_try_fmt_vbi   = cx8800_vbi_fmt,
1635         .vidioc_s_fmt_vbi     = cx8800_vbi_fmt,
1636         .vidioc_reqbufs       = vidioc_reqbufs,
1637         .vidioc_querybuf      = vidioc_querybuf,
1638         .vidioc_qbuf          = vidioc_qbuf,
1639         .vidioc_dqbuf         = vidioc_dqbuf,
1640         .vidioc_s_std         = vidioc_s_std,
1641         .vidioc_enum_input    = vidioc_enum_input,
1642         .vidioc_g_input       = vidioc_g_input,
1643         .vidioc_s_input       = vidioc_s_input,
1644         .vidioc_queryctrl     = vidioc_queryctrl,
1645         .vidioc_g_ctrl        = vidioc_g_ctrl,
1646         .vidioc_s_ctrl        = vidioc_s_ctrl,
1647         .vidioc_streamon      = vidioc_streamon,
1648         .vidioc_streamoff     = vidioc_streamoff,
1649 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1650         .vidiocgmbuf          = vidiocgmbuf,
1651 #endif
1652         .vidioc_g_tuner       = vidioc_g_tuner,
1653         .vidioc_s_tuner       = vidioc_s_tuner,
1654         .vidioc_g_frequency   = vidioc_g_frequency,
1655         .vidioc_s_frequency   = vidioc_s_frequency,
1656 #ifdef CONFIG_VIDEO_ADV_DEBUG
1657         .vidioc_g_register    = vidioc_g_register,
1658         .vidioc_s_register    = vidioc_s_register,
1659 #endif
1660         .tvnorms              = CX88_NORMS,
1661         .current_norm         = V4L2_STD_NTSC_M,
1662 };
1663
1664 static const struct file_operations radio_fops =
1665 {
1666         .owner         = THIS_MODULE,
1667         .open          = video_open,
1668         .release       = video_release,
1669         .ioctl         = video_ioctl2,
1670         .compat_ioctl  = v4l_compat_ioctl32,
1671         .llseek        = no_llseek,
1672 };
1673
1674 static struct video_device cx8800_radio_template =
1675 {
1676         .name                 = "cx8800-radio",
1677         .type                 = VID_TYPE_TUNER,
1678         .hardware             = 0,
1679         .fops                 = &radio_fops,
1680         .minor                = -1,
1681         .vidioc_querycap      = radio_querycap,
1682         .vidioc_g_tuner       = radio_g_tuner,
1683         .vidioc_enum_input    = radio_enum_input,
1684         .vidioc_g_audio       = radio_g_audio,
1685         .vidioc_s_tuner       = radio_s_tuner,
1686         .vidioc_s_audio       = radio_s_audio,
1687         .vidioc_s_input       = radio_s_input,
1688         .vidioc_queryctrl     = radio_queryctrl,
1689         .vidioc_g_ctrl        = vidioc_g_ctrl,
1690         .vidioc_s_ctrl        = vidioc_s_ctrl,
1691         .vidioc_g_frequency   = vidioc_g_frequency,
1692         .vidioc_s_frequency   = vidioc_s_frequency,
1693 #ifdef CONFIG_VIDEO_ADV_DEBUG
1694         .vidioc_g_register    = vidioc_g_register,
1695         .vidioc_s_register    = vidioc_s_register,
1696 #endif
1697 };
1698
1699 /* ----------------------------------------------------------- */
1700
1701 static void cx8800_unregister_video(struct cx8800_dev *dev)
1702 {
1703         if (dev->radio_dev) {
1704                 if (-1 != dev->radio_dev->minor)
1705                         video_unregister_device(dev->radio_dev);
1706                 else
1707                         video_device_release(dev->radio_dev);
1708                 dev->radio_dev = NULL;
1709         }
1710         if (dev->vbi_dev) {
1711                 if (-1 != dev->vbi_dev->minor)
1712                         video_unregister_device(dev->vbi_dev);
1713                 else
1714                         video_device_release(dev->vbi_dev);
1715                 dev->vbi_dev = NULL;
1716         }
1717         if (dev->video_dev) {
1718                 if (-1 != dev->video_dev->minor)
1719                         video_unregister_device(dev->video_dev);
1720                 else
1721                         video_device_release(dev->video_dev);
1722                 dev->video_dev = NULL;
1723         }
1724 }
1725
1726 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1727                                     const struct pci_device_id *pci_id)
1728 {
1729         struct cx8800_dev *dev;
1730         struct cx88_core *core;
1731
1732         int err;
1733
1734         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1735         if (NULL == dev)
1736                 return -ENOMEM;
1737
1738         /* pci init */
1739         dev->pci = pci_dev;
1740         if (pci_enable_device(pci_dev)) {
1741                 err = -EIO;
1742                 goto fail_free;
1743         }
1744         core = cx88_core_get(dev->pci);
1745         if (NULL == core) {
1746                 err = -EINVAL;
1747                 goto fail_free;
1748         }
1749         dev->core = core;
1750
1751         /* print pci info */
1752         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1753         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1754         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1755                "latency: %d, mmio: 0x%llx\n", core->name,
1756                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1757                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1758
1759         pci_set_master(pci_dev);
1760         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1761                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1762                 err = -EIO;
1763                 goto fail_core;
1764         }
1765
1766         /* Initialize VBI template */
1767         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1768                 sizeof(cx8800_vbi_template) );
1769         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1770         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1771
1772         /* initialize driver struct */
1773         spin_lock_init(&dev->slock);
1774         core->tvnorm = cx8800_video_template.current_norm;
1775
1776         /* init video dma queues */
1777         INIT_LIST_HEAD(&dev->vidq.active);
1778         INIT_LIST_HEAD(&dev->vidq.queued);
1779         dev->vidq.timeout.function = cx8800_vid_timeout;
1780         dev->vidq.timeout.data     = (unsigned long)dev;
1781         init_timer(&dev->vidq.timeout);
1782         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1783                           MO_VID_DMACNTRL,0x11,0x00);
1784
1785         /* init vbi dma queues */
1786         INIT_LIST_HEAD(&dev->vbiq.active);
1787         INIT_LIST_HEAD(&dev->vbiq.queued);
1788         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1789         dev->vbiq.timeout.data     = (unsigned long)dev;
1790         init_timer(&dev->vbiq.timeout);
1791         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1792                           MO_VID_DMACNTRL,0x88,0x00);
1793
1794         /* get irq */
1795         err = request_irq(pci_dev->irq, cx8800_irq,
1796                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1797         if (err < 0) {
1798                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1799                        core->name,pci_dev->irq);
1800                 goto fail_core;
1801         }
1802         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1803
1804         /* load and configure helper modules */
1805         if (TUNER_ABSENT != core->board.tuner_type)
1806                 request_module("tuner");
1807
1808         if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1809                 request_module("wm8775");
1810
1811         switch (core->boardnr) {
1812         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1813                 request_module("ir-kbd-i2c");
1814                 request_module("rtc-isl1208");
1815         }
1816
1817         /* register v4l devices */
1818         dev->video_dev = cx88_vdev_init(core,dev->pci,
1819                                         &cx8800_video_template,"video");
1820         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1821                                     video_nr[core->nr]);
1822         if (err < 0) {
1823                 printk(KERN_ERR "%s/0: can't register video device\n",
1824                        core->name);
1825                 goto fail_unreg;
1826         }
1827         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1828                core->name,dev->video_dev->minor & 0x1f);
1829
1830         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1831         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1832                                     vbi_nr[core->nr]);
1833         if (err < 0) {
1834                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1835                        core->name);
1836                 goto fail_unreg;
1837         }
1838         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1839                core->name,dev->vbi_dev->minor & 0x1f);
1840
1841         if (core->board.radio.type == CX88_RADIO) {
1842                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1843                                                 &cx8800_radio_template,"radio");
1844                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1845                                             radio_nr[core->nr]);
1846                 if (err < 0) {
1847                         printk(KERN_ERR "%s/0: can't register radio device\n",
1848                                core->name);
1849                         goto fail_unreg;
1850                 }
1851                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1852                        core->name,dev->radio_dev->minor & 0x1f);
1853         }
1854
1855         /* everything worked */
1856         list_add_tail(&dev->devlist,&cx8800_devlist);
1857         pci_set_drvdata(pci_dev,dev);
1858
1859         /* initial device configuration */
1860         mutex_lock(&core->lock);
1861         cx88_set_tvnorm(core,core->tvnorm);
1862         init_controls(core);
1863         cx88_video_mux(core,0);
1864         mutex_unlock(&core->lock);
1865
1866         /* start tvaudio thread */
1867         if (core->board.tuner_type != TUNER_ABSENT) {
1868                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1869                 if (IS_ERR(core->kthread)) {
1870                         err = PTR_ERR(core->kthread);
1871                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1872                                core->name, err);
1873                 }
1874         }
1875         return 0;
1876
1877 fail_unreg:
1878         cx8800_unregister_video(dev);
1879         free_irq(pci_dev->irq, dev);
1880 fail_core:
1881         cx88_core_put(core,dev->pci);
1882 fail_free:
1883         kfree(dev);
1884         return err;
1885 }
1886
1887 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1888 {
1889         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1890         struct cx88_core *core = dev->core;
1891
1892         /* stop thread */
1893         if (core->kthread) {
1894                 kthread_stop(core->kthread);
1895                 core->kthread = NULL;
1896         }
1897
1898         cx88_shutdown(core); /* FIXME */
1899         pci_disable_device(pci_dev);
1900
1901         /* unregister stuff */
1902
1903         free_irq(pci_dev->irq, dev);
1904         cx8800_unregister_video(dev);
1905         pci_set_drvdata(pci_dev, NULL);
1906
1907         /* free memory */
1908         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1909         list_del(&dev->devlist);
1910         cx88_core_put(core,dev->pci);
1911         kfree(dev);
1912 }
1913
1914 #ifdef CONFIG_PM
1915 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1916 {
1917         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1918         struct cx88_core *core = dev->core;
1919
1920         /* stop video+vbi capture */
1921         spin_lock(&dev->slock);
1922         if (!list_empty(&dev->vidq.active)) {
1923                 printk("%s/0: suspend video\n", core->name);
1924                 stop_video_dma(dev);
1925                 del_timer(&dev->vidq.timeout);
1926         }
1927         if (!list_empty(&dev->vbiq.active)) {
1928                 printk("%s/0: suspend vbi\n", core->name);
1929                 cx8800_stop_vbi_dma(dev);
1930                 del_timer(&dev->vbiq.timeout);
1931         }
1932         spin_unlock(&dev->slock);
1933
1934         if (core->ir)
1935                 cx88_ir_stop(core, core->ir);
1936         /* FIXME -- shutdown device */
1937         cx88_shutdown(core);
1938
1939         pci_save_state(pci_dev);
1940         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1941                 pci_disable_device(pci_dev);
1942                 dev->state.disabled = 1;
1943         }
1944         return 0;
1945 }
1946
1947 static int cx8800_resume(struct pci_dev *pci_dev)
1948 {
1949         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1950         struct cx88_core *core = dev->core;
1951         int err;
1952
1953         if (dev->state.disabled) {
1954                 err=pci_enable_device(pci_dev);
1955                 if (err) {
1956                         printk(KERN_ERR "%s/0: can't enable device\n",
1957                                core->name);
1958                         return err;
1959                 }
1960
1961                 dev->state.disabled = 0;
1962         }
1963         err= pci_set_power_state(pci_dev, PCI_D0);
1964         if (err) {
1965                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1966                 pci_disable_device(pci_dev);
1967                 dev->state.disabled = 1;
1968
1969                 return err;
1970         }
1971         pci_restore_state(pci_dev);
1972
1973         /* FIXME: re-initialize hardware */
1974         cx88_reset(core);
1975         if (core->ir)
1976                 cx88_ir_start(core, core->ir);
1977
1978         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1979
1980         /* restart video+vbi capture */
1981         spin_lock(&dev->slock);
1982         if (!list_empty(&dev->vidq.active)) {
1983                 printk("%s/0: resume video\n", core->name);
1984                 restart_video_queue(dev,&dev->vidq);
1985         }
1986         if (!list_empty(&dev->vbiq.active)) {
1987                 printk("%s/0: resume vbi\n", core->name);
1988                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1989         }
1990         spin_unlock(&dev->slock);
1991
1992         return 0;
1993 }
1994 #endif
1995
1996 /* ----------------------------------------------------------- */
1997
1998 static struct pci_device_id cx8800_pci_tbl[] = {
1999         {
2000                 .vendor       = 0x14f1,
2001                 .device       = 0x8800,
2002                 .subvendor    = PCI_ANY_ID,
2003                 .subdevice    = PCI_ANY_ID,
2004         },{
2005                 /* --- end of list --- */
2006         }
2007 };
2008 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2009
2010 static struct pci_driver cx8800_pci_driver = {
2011         .name     = "cx8800",
2012         .id_table = cx8800_pci_tbl,
2013         .probe    = cx8800_initdev,
2014         .remove   = __devexit_p(cx8800_finidev),
2015 #ifdef CONFIG_PM
2016         .suspend  = cx8800_suspend,
2017         .resume   = cx8800_resume,
2018 #endif
2019 };
2020
2021 static int cx8800_init(void)
2022 {
2023         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2024                (CX88_VERSION_CODE >> 16) & 0xff,
2025                (CX88_VERSION_CODE >>  8) & 0xff,
2026                CX88_VERSION_CODE & 0xff);
2027 #ifdef SNAPSHOT
2028         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2029                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2030 #endif
2031         return pci_register_driver(&cx8800_pci_driver);
2032 }
2033
2034 static void cx8800_fini(void)
2035 {
2036         pci_unregister_driver(&cx8800_pci_driver);
2037 }
2038
2039 module_init(cx8800_init);
2040 module_exit(cx8800_fini);
2041
2042 /* ----------------------------------------------------------- */
2043 /*
2044  * Local variables:
2045  * c-basic-offset: 8
2046  * End:
2047  * 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
2048  */