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;
  67 module_param(video_debug,int,0644);
  68 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  69
  70 static unsigned int irq_debug;
  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                 .v = {
 232                         .id            = V4L2_CID_CHROMA_AGC,
 233                         .name          = "Chroma AGC",
 234                         .minimum       = 0,
 235                         .maximum       = 1,
 236                         .default_value = 0x0,
 237                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 238                 },
 239                 .reg                   = MO_INPUT_FORMAT,
 240                 .mask                  = 1 << 10,
 241                 .shift                 = 10,
 242         }, {
 243         /* --- audio --- */
 244                 .v = {
 245                         .id            = V4L2_CID_AUDIO_MUTE,
 246                         .name          = "Mute",
 247                         .minimum       = 0,
 248                         .maximum       = 1,
 249                         .default_value = 1,
 250                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 251                 },
 252                 .reg                   = AUD_VOL_CTL,
 253                 .sreg                  = SHADOW_AUD_VOL_CTL,
 254                 .mask                  = (1 << 6),
 255                 .shift                 = 6,
 256         },{
 257                 .v = {
 258                         .id            = V4L2_CID_AUDIO_VOLUME,
 259                         .name          = "Volume",
 260                         .minimum       = 0,
 261                         .maximum       = 0x3f,
 262                         .step          = 1,
 263                         .default_value = 0x3f,
 264                         .type          = V4L2_CTRL_TYPE_INTEGER,
 265                 },
 266                 .reg                   = AUD_VOL_CTL,
 267                 .sreg                  = SHADOW_AUD_VOL_CTL,
 268                 .mask                  = 0x3f,
 269                 .shift                 = 0,
 270         },{
 271                 .v = {
 272                         .id            = V4L2_CID_AUDIO_BALANCE,
 273                         .name          = "Balance",
 274                         .minimum       = 0,
 275                         .maximum       = 0x7f,
 276                         .step          = 1,
 277                         .default_value = 0x40,
 278                         .type          = V4L2_CTRL_TYPE_INTEGER,
 279                 },
 280                 .reg                   = AUD_BAL_CTL,
 281                 .sreg                  = SHADOW_AUD_BAL_CTL,
 282                 .mask                  = 0x7f,
 283                 .shift                 = 0,
 284         }
 285 };
 286 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 287
 288 const u32 cx88_user_ctrls[] = {
 289         V4L2_CID_USER_CLASS,
 290         V4L2_CID_BRIGHTNESS,
 291         V4L2_CID_CONTRAST,
 292         V4L2_CID_SATURATION,
 293         V4L2_CID_HUE,
 294         V4L2_CID_AUDIO_VOLUME,
 295         V4L2_CID_AUDIO_BALANCE,
 296         V4L2_CID_AUDIO_MUTE,
 297         V4L2_CID_CHROMA_AGC,
 298         0
 299 };
 300 EXPORT_SYMBOL(cx88_user_ctrls);
 301
 302 static const u32 *ctrl_classes[] = {
 303         cx88_user_ctrls,
 304         NULL
 305 };
 306
 307 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 308 {
 309         int i;
 310
 311         if (qctrl->id < V4L2_CID_BASE ||
 312             qctrl->id >= V4L2_CID_LASTP1)
 313                 return -EINVAL;
 314         for (i = 0; i < CX8800_CTLS; i++)
 315                 if (cx8800_ctls[i].v.id == qctrl->id)
 316                         break;
 317         if (i == CX8800_CTLS) {
 318                 *qctrl = no_ctl;
 319                 return 0;
 320         }
 321         *qctrl = cx8800_ctls[i].v;
 322         /* Report chroma AGC as inactive when SECAM is selected */
 323         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 324             core->tvnorm & V4L2_STD_SECAM)
 325                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 326
 327         return 0;
 328 }
 329 EXPORT_SYMBOL(cx8800_ctrl_query);
 330
 331 /* ------------------------------------------------------------------- */
 332 /* resource management                                                 */
 333
 334 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 335 {
 336         struct cx88_core *core = dev->core;
 337         if (fh->resources & bit)
 338                 /* have it already allocated */
 339                 return 1;
 340
 341         /* is it free? */
 342         mutex_lock(&core->lock);
 343         if (dev->resources & bit) {
 344                 /* no, someone else uses it */
 345                 mutex_unlock(&core->lock);
 346                 return 0;
 347         }
 348         /* it's free, grab it */
 349         fh->resources  |= bit;
 350         dev->resources |= bit;
 351         dprintk(1,"res: get %d\n",bit);
 352         mutex_unlock(&core->lock);
 353         return 1;
 354 }
 355
 356 static
 357 int res_check(struct cx8800_fh *fh, unsigned int bit)
 358 {
 359         return (fh->resources & bit);
 360 }
 361
 362 static
 363 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 364 {
 365         return (dev->resources & bit);
 366 }
 367
 368 static
 369 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 370 {
 371         struct cx88_core *core = dev->core;
 372         BUG_ON((fh->resources & bits) != bits);
 373
 374         mutex_lock(&core->lock);
 375         fh->resources  &= ~bits;
 376         dev->resources &= ~bits;
 377         dprintk(1,"res: put %d\n",bits);
 378         mutex_unlock(&core->lock);
 379 }
 380
 381 /* ------------------------------------------------------------------ */
 382
 383 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 384 {
 385         /* struct cx88_core *core = dev->core; */
 386
 387         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 388                 input, INPUT(input).vmux,
 389                 INPUT(input).gpio0,INPUT(input).gpio1,
 390                 INPUT(input).gpio2,INPUT(input).gpio3);
 391         core->input = input;
 392         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 393         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 394         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 395         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 396         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 397
 398         switch (INPUT(input).type) {
 399         case CX88_VMUX_SVIDEO:
 400                 cx_set(MO_AFECFG_IO,    0x00000001);
 401                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 402                 cx_set(MO_FILTER_EVEN,  0x00002020);
 403                 cx_set(MO_FILTER_ODD,   0x00002020);
 404                 break;
 405         default:
 406                 cx_clear(MO_AFECFG_IO,    0x00000001);
 407                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 408                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 409                 cx_clear(MO_FILTER_ODD,   0x00002020);
 410                 break;
 411         }
 412
 413         /* if there are audioroutes defined, we have an external
 414            ADC to deal with audio */
 415
 416         if (INPUT(input).audioroute) {
 417
 418                 /* cx2388's C-ADC is connected to the tuner only.
 419                    When used with S-Video, that ADC is busy dealing with
 420                    chroma, so an external must be used for baseband audio */
 421
 422                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 423                         INPUT(input).type != CX88_RADIO) {
 424                         /* "ADC mode" */
 425                         cx_write(AUD_I2SCNTL, 0x1);
 426                         cx_set(AUD_CTL, EN_I2SIN_ENABLE);
 427                 } else {
 428                         /* Normal mode */
 429                         cx_write(AUD_I2SCNTL, 0x0);
 430                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 431                 }
 432
 433                 /* The wm8775 module has the "2" route hardwired into
 434                    the initialization. Some boards may use different
 435                    routes for different inputs. HVR-1300 surely does */
 436                 if (core->board.audio_chip &&
 437                     core->board.audio_chip == AUDIO_CHIP_WM8775) {
 438                         struct v4l2_routing route;
 439
 440                         route.input = INPUT(input).audioroute;
 441                         cx88_call_i2c_clients(core,
 442                                 VIDIOC_INT_S_AUDIO_ROUTING, &route);
 443
 444                 }
 445
 446         }
 447
 448         return 0;
 449 }
 450 EXPORT_SYMBOL(cx88_video_mux);
 451
 452 /* ------------------------------------------------------------------ */
 453
 454 static int start_video_dma(struct cx8800_dev    *dev,
 455                            struct cx88_dmaqueue *q,
 456                            struct cx88_buffer   *buf)
 457 {
 458         struct cx88_core *core = dev->core;
 459
 460         /* setup fifo + format */
 461         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 462                                 buf->bpl, buf->risc.dma);
 463         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 464         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 465
 466         /* reset counter */
 467         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 468         q->count = 1;
 469
 470         /* enable irqs */
 471         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 472
 473         /* Enables corresponding bits at PCI_INT_STAT:
 474                 bits 0 to 4: video, audio, transport stream, VIP, Host
 475                 bit 7: timer
 476                 bits 8 and 9: DMA complete for: SRC, DST
 477                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 478                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 479          */
 480         cx_set(MO_VID_INTMSK, 0x0f0011);
 481
 482         /* enable capture */
 483         cx_set(VID_CAPTURE_CONTROL,0x06);
 484
 485         /* start dma */
 486         cx_set(MO_DEV_CNTRL2, (1<<5));
 487         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 488
 489         return 0;
 490 }
 491
 492 #ifdef CONFIG_PM
 493 static int stop_video_dma(struct cx8800_dev    *dev)
 494 {
 495         struct cx88_core *core = dev->core;
 496
 497         /* stop dma */
 498         cx_clear(MO_VID_DMACNTRL, 0x11);
 499
 500         /* disable capture */
 501         cx_clear(VID_CAPTURE_CONTROL,0x06);
 502
 503         /* disable irqs */
 504         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 505         cx_clear(MO_VID_INTMSK, 0x0f0011);
 506         return 0;
 507 }
 508 #endif
 509
 510 static int restart_video_queue(struct cx8800_dev    *dev,
 511                                struct cx88_dmaqueue *q)
 512 {
 513         struct cx88_core *core = dev->core;
 514         struct cx88_buffer *buf, *prev;
 515
 516         if (!list_empty(&q->active)) {
 517                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 518                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 519                         buf, buf->vb.i);
 520                 start_video_dma(dev, q, buf);
 521                 list_for_each_entry(buf, &q->active, vb.queue)
 522                         buf->count = q->count++;
 523                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 524                 return 0;
 525         }
 526
 527         prev = NULL;
 528         for (;;) {
 529                 if (list_empty(&q->queued))
 530                         return 0;
 531                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 532                 if (NULL == prev) {
 533                         list_move_tail(&buf->vb.queue, &q->active);
 534                         start_video_dma(dev, q, buf);
 535                         buf->vb.state = VIDEOBUF_ACTIVE;
 536                         buf->count    = q->count++;
 537                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 538                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 539                                 buf,buf->vb.i);
 540
 541                 } else if (prev->vb.width  == buf->vb.width  &&
 542                            prev->vb.height == buf->vb.height &&
 543                            prev->fmt       == buf->fmt) {
 544                         list_move_tail(&buf->vb.queue, &q->active);
 545                         buf->vb.state = VIDEOBUF_ACTIVE;
 546                         buf->count    = q->count++;
 547                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 548                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 549                                 buf,buf->vb.i);
 550                 } else {
 551                         return 0;
 552                 }
 553                 prev = buf;
 554         }
 555 }
 556
 557 /* ------------------------------------------------------------------ */
 558
 559 static int
 560 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 561 {
 562         struct cx8800_fh *fh = q->priv_data;
 563
 564         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 565         if (0 == *count)
 566                 *count = 32;
 567         while (*size * *count > vid_limit * 1024 * 1024)
 568                 (*count)--;
 569         return 0;
 570 }
 571
 572 static int
 573 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 574                enum v4l2_field field)
 575 {
 576         struct cx8800_fh   *fh  = q->priv_data;
 577         struct cx8800_dev  *dev = fh->dev;
 578         struct cx88_core *core = dev->core;
 579         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 580         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 581         int rc, init_buffer = 0;
 582
 583         BUG_ON(NULL == fh->fmt);
 584         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 585             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 586                 return -EINVAL;
 587         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 588         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 589                 return -EINVAL;
 590
 591         if (buf->fmt       != fh->fmt    ||
 592             buf->vb.width  != fh->width  ||
 593             buf->vb.height != fh->height ||
 594             buf->vb.field  != field) {
 595                 buf->fmt       = fh->fmt;
 596                 buf->vb.width  = fh->width;
 597                 buf->vb.height = fh->height;
 598                 buf->vb.field  = field;
 599                 init_buffer = 1;
 600         }
 601
 602         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 603                 init_buffer = 1;
 604                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 605                         goto fail;
 606         }
 607
 608         if (init_buffer) {
 609                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 610                 switch (buf->vb.field) {
 611                 case V4L2_FIELD_TOP:
 612                         cx88_risc_buffer(dev->pci, &buf->risc,
 613                                          dma->sglist, 0, UNSET,
 614                                          buf->bpl, 0, buf->vb.height);
 615                         break;
 616                 case V4L2_FIELD_BOTTOM:
 617                         cx88_risc_buffer(dev->pci, &buf->risc,
 618                                          dma->sglist, UNSET, 0,
 619                                          buf->bpl, 0, buf->vb.height);
 620                         break;
 621                 case V4L2_FIELD_INTERLACED:
 622                         cx88_risc_buffer(dev->pci, &buf->risc,
 623                                          dma->sglist, 0, buf->bpl,
 624                                          buf->bpl, buf->bpl,
 625                                          buf->vb.height >> 1);
 626                         break;
 627                 case V4L2_FIELD_SEQ_TB:
 628                         cx88_risc_buffer(dev->pci, &buf->risc,
 629                                          dma->sglist,
 630                                          0, buf->bpl * (buf->vb.height >> 1),
 631                                          buf->bpl, 0,
 632                                          buf->vb.height >> 1);
 633                         break;
 634                 case V4L2_FIELD_SEQ_BT:
 635                         cx88_risc_buffer(dev->pci, &buf->risc,
 636                                          dma->sglist,
 637                                          buf->bpl * (buf->vb.height >> 1), 0,
 638                                          buf->bpl, 0,
 639                                          buf->vb.height >> 1);
 640                         break;
 641                 default:
 642                         BUG();
 643                 }
 644         }
 645         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 646                 buf, buf->vb.i,
 647                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 648                 (unsigned long)buf->risc.dma);
 649
 650         buf->vb.state = VIDEOBUF_PREPARED;
 651         return 0;
 652
 653  fail:
 654         cx88_free_buffer(q,buf);
 655         return rc;
 656 }
 657
 658 static void
 659 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 660 {
 661         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 662         struct cx88_buffer    *prev;
 663         struct cx8800_fh      *fh   = vq->priv_data;
 664         struct cx8800_dev     *dev  = fh->dev;
 665         struct cx88_core      *core = dev->core;
 666         struct cx88_dmaqueue  *q    = &dev->vidq;
 667
 668         /* add jump to stopper */
 669         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 670         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 671
 672         if (!list_empty(&q->queued)) {
 673                 list_add_tail(&buf->vb.queue,&q->queued);
 674                 buf->vb.state = VIDEOBUF_QUEUED;
 675                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 676                         buf, buf->vb.i);
 677
 678         } else if (list_empty(&q->active)) {
 679                 list_add_tail(&buf->vb.queue,&q->active);
 680                 start_video_dma(dev, q, buf);
 681                 buf->vb.state = VIDEOBUF_ACTIVE;
 682                 buf->count    = q->count++;
 683                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 684                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 685                         buf, buf->vb.i);
 686
 687         } else {
 688                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 689                 if (prev->vb.width  == buf->vb.width  &&
 690                     prev->vb.height == buf->vb.height &&
 691                     prev->fmt       == buf->fmt) {
 692                         list_add_tail(&buf->vb.queue,&q->active);
 693                         buf->vb.state = VIDEOBUF_ACTIVE;
 694                         buf->count    = q->count++;
 695                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 696                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 697                                 buf, buf->vb.i);
 698
 699                 } else {
 700                         list_add_tail(&buf->vb.queue,&q->queued);
 701                         buf->vb.state = VIDEOBUF_QUEUED;
 702                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 703                                 buf, buf->vb.i);
 704                 }
 705         }
 706 }
 707
 708 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 709 {
 710         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 711
 712         cx88_free_buffer(q,buf);
 713 }
 714
 715 static struct videobuf_queue_ops cx8800_video_qops = {
 716         .buf_setup    = buffer_setup,
 717         .buf_prepare  = buffer_prepare,
 718         .buf_queue    = buffer_queue,
 719         .buf_release  = buffer_release,
 720 };
 721
 722 /* ------------------------------------------------------------------ */
 723
 724
 725 /* ------------------------------------------------------------------ */
 726
 727 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 728 {
 729         switch (fh->type) {
 730         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 731                 return &fh->vidq;
 732         case V4L2_BUF_TYPE_VBI_CAPTURE:
 733                 return &fh->vbiq;
 734         default:
 735                 BUG();
 736                 return NULL;
 737         }
 738 }
 739
 740 static int get_ressource(struct cx8800_fh *fh)
 741 {
 742         switch (fh->type) {
 743         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 744                 return RESOURCE_VIDEO;
 745         case V4L2_BUF_TYPE_VBI_CAPTURE:
 746                 return RESOURCE_VBI;
 747         default:
 748                 BUG();
 749                 return 0;
 750         }
 751 }
 752
 753 static int video_open(struct inode *inode, struct file *file)
 754 {
 755         int minor = iminor(inode);
 756         struct cx8800_dev *h,*dev = NULL;
 757         struct cx88_core *core;
 758         struct cx8800_fh *fh;
 759         enum v4l2_buf_type type = 0;
 760         int radio = 0;
 761
 762         list_for_each_entry(h, &cx8800_devlist, devlist) {
 763                 if (h->video_dev->minor == minor) {
 764                         dev  = h;
 765                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 766                 }
 767                 if (h->vbi_dev->minor == minor) {
 768                         dev  = h;
 769                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 770                 }
 771                 if (h->radio_dev &&
 772                     h->radio_dev->minor == minor) {
 773                         radio = 1;
 774                         dev   = h;
 775                 }
 776         }
 777         if (NULL == dev)
 778                 return -ENODEV;
 779
 780         core = dev->core;
 781
 782         dprintk(1,"open minor=%d radio=%d type=%s\n",
 783                 minor,radio,v4l2_type_names[type]);
 784
 785         /* allocate + initialize per filehandle data */
 786         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 787         if (NULL == fh)
 788                 return -ENOMEM;
 789         file->private_data = fh;
 790         fh->dev      = dev;
 791         fh->radio    = radio;
 792         fh->type     = type;
 793         fh->width    = 320;
 794         fh->height   = 240;
 795         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 796
 797         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 798                             &dev->pci->dev, &dev->slock,
 799                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 800                             V4L2_FIELD_INTERLACED,
 801                             sizeof(struct cx88_buffer),
 802                             fh);
 803         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 804                             &dev->pci->dev, &dev->slock,
 805                             V4L2_BUF_TYPE_VBI_CAPTURE,
 806                             V4L2_FIELD_SEQ_TB,
 807                             sizeof(struct cx88_buffer),
 808                             fh);
 809
 810         if (fh->radio) {
 811                 dprintk(1,"video_open: setting radio device\n");
 812                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 813                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 814                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 815                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 816                 core->tvaudio = WW_FM;
 817                 cx88_set_tvaudio(core);
 818                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 819                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 820         }
 821
 822         return 0;
 823 }
 824
 825 static ssize_t
 826 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 827 {
 828         struct cx8800_fh *fh = file->private_data;
 829
 830         switch (fh->type) {
 831         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 832                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 833                         return -EBUSY;
 834                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 835                                          file->f_flags & O_NONBLOCK);
 836         case V4L2_BUF_TYPE_VBI_CAPTURE:
 837                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 838                         return -EBUSY;
 839                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 840                                             file->f_flags & O_NONBLOCK);
 841         default:
 842                 BUG();
 843                 return 0;
 844         }
 845 }
 846
 847 static unsigned int
 848 video_poll(struct file *file, struct poll_table_struct *wait)
 849 {
 850         struct cx8800_fh *fh = file->private_data;
 851         struct cx88_buffer *buf;
 852
 853         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 854                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 855                         return POLLERR;
 856                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 857         }
 858
 859         if (res_check(fh,RESOURCE_VIDEO)) {
 860                 /* streaming capture */
 861                 if (list_empty(&fh->vidq.stream))
 862                         return POLLERR;
 863                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 864         } else {
 865                 /* read() capture */
 866                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 867                 if (NULL == buf)
 868                         return POLLERR;
 869         }
 870         poll_wait(file, &buf->vb.done, wait);
 871         if (buf->vb.state == VIDEOBUF_DONE ||
 872             buf->vb.state == VIDEOBUF_ERROR)
 873                 return POLLIN|POLLRDNORM;
 874         return 0;
 875 }
 876
 877 static int video_release(struct inode *inode, struct file *file)
 878 {
 879         struct cx8800_fh  *fh  = file->private_data;
 880         struct cx8800_dev *dev = fh->dev;
 881
 882         /* turn off overlay */
 883         if (res_check(fh, RESOURCE_OVERLAY)) {
 884                 /* FIXME */
 885                 res_free(dev,fh,RESOURCE_OVERLAY);
 886         }
 887
 888         /* stop video capture */
 889         if (res_check(fh, RESOURCE_VIDEO)) {
 890                 videobuf_queue_cancel(&fh->vidq);
 891                 res_free(dev,fh,RESOURCE_VIDEO);
 892         }
 893         if (fh->vidq.read_buf) {
 894                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 895                 kfree(fh->vidq.read_buf);
 896         }
 897
 898         /* stop vbi capture */
 899         if (res_check(fh, RESOURCE_VBI)) {
 900                 videobuf_stop(&fh->vbiq);
 901                 res_free(dev,fh,RESOURCE_VBI);
 902         }
 903
 904         videobuf_mmap_free(&fh->vidq);
 905         videobuf_mmap_free(&fh->vbiq);
 906         file->private_data = NULL;
 907         kfree(fh);
 908
 909         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 910
 911         return 0;
 912 }
 913
 914 static int
 915 video_mmap(struct file *file, struct vm_area_struct * vma)
 916 {
 917         struct cx8800_fh *fh = file->private_data;
 918
 919         return videobuf_mmap_mapper(get_queue(fh), vma);
 920 }
 921
 922 /* ------------------------------------------------------------------ */
 923 /* VIDEO CTRL IOCTLS                                                  */
 924
 925 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 926 {
 927         struct cx88_ctrl  *c    = NULL;
 928         u32 value;
 929         int i;
 930
 931         for (i = 0; i < CX8800_CTLS; i++)
 932                 if (cx8800_ctls[i].v.id == ctl->id)
 933                         c = &cx8800_ctls[i];
 934         if (unlikely(NULL == c))
 935                 return -EINVAL;
 936
 937         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 938         switch (ctl->id) {
 939         case V4L2_CID_AUDIO_BALANCE:
 940                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 941                                         : (0x7f - (value & 0x7f));
 942                 break;
 943         case V4L2_CID_AUDIO_VOLUME:
 944                 ctl->value = 0x3f - (value & 0x3f);
 945                 break;
 946         default:
 947                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 948                 break;
 949         }
 950         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 951                                 ctl->id, c->v.name, ctl->value, c->reg,
 952                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 953         return 0;
 954 }
 955 EXPORT_SYMBOL(cx88_get_control);
 956
 957 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 958 {
 959         struct cx88_ctrl *c = NULL;
 960         u32 value,mask;
 961         int i;
 962
 963         for (i = 0; i < CX8800_CTLS; i++) {
 964                 if (cx8800_ctls[i].v.id == ctl->id) {
 965                         c = &cx8800_ctls[i];
 966                 }
 967         }
 968         if (unlikely(NULL == c))
 969                 return -EINVAL;
 970
 971         if (ctl->value < c->v.minimum)
 972                 ctl->value = c->v.minimum;
 973         if (ctl->value > c->v.maximum)
 974                 ctl->value = c->v.maximum;
 975         mask=c->mask;
 976         switch (ctl->id) {
 977         case V4L2_CID_AUDIO_BALANCE:
 978                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 979                 break;
 980         case V4L2_CID_AUDIO_VOLUME:
 981                 value = 0x3f - (ctl->value & 0x3f);
 982                 break;
 983         case V4L2_CID_SATURATION:
 984                 /* special v_sat handling */
 985
 986                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 987
 988                 if (core->tvnorm & V4L2_STD_SECAM) {
 989                         /* For SECAM, both U and V sat should be equal */
 990                         value=value<<8|value;
 991                 } else {
 992                         /* Keeps U Saturation proportional to V Sat */
 993                         value=(value*0x5a)/0x7f<<8|value;
 994                 }
 995                 mask=0xffff;
 996                 break;
 997         case V4L2_CID_CHROMA_AGC:
 998                 /* Do not allow chroma AGC to be enabled for SECAM */
 999                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1000                 if (core->tvnorm & V4L2_STD_SECAM && value)
1001                         return -EINVAL;
1002                 break;
1003         default:
1004                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1005                 break;
1006         }
1007         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1008                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1009                                 mask, c->sreg ? " [shadowed]" : "");
1010         if (c->sreg) {
1011                 cx_sandor(c->sreg, c->reg, mask, value);
1012         } else {
1013                 cx_andor(c->reg, mask, value);
1014         }
1015         return 0;
1016 }
1017 EXPORT_SYMBOL(cx88_set_control);
1018
1019 static void init_controls(struct cx88_core *core)
1020 {
1021         struct v4l2_control ctrl;
1022         int i;
1023
1024         for (i = 0; i < CX8800_CTLS; i++) {
1025                 ctrl.id=cx8800_ctls[i].v.id;
1026                 ctrl.value=cx8800_ctls[i].v.default_value;
1027
1028                 cx88_set_control(core, &ctrl);
1029         }
1030 }
1031
1032 /* ------------------------------------------------------------------ */
1033 /* VIDEO IOCTLS                                                       */
1034
1035 static int vidioc_g_fmt_cap (struct file *file, void *priv,
1036                                         struct v4l2_format *f)
1037 {
1038         struct cx8800_fh  *fh   = priv;
1039
1040         f->fmt.pix.width        = fh->width;
1041         f->fmt.pix.height       = fh->height;
1042         f->fmt.pix.field        = fh->vidq.field;
1043         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1044         f->fmt.pix.bytesperline =
1045                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1046         f->fmt.pix.sizeimage =
1047                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1048         return 0;
1049 }
1050
1051 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1052                         struct v4l2_format *f)
1053 {
1054         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1055         struct cx8800_fmt *fmt;
1056         enum v4l2_field   field;
1057         unsigned int      maxw, maxh;
1058
1059         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1060         if (NULL == fmt)
1061                 return -EINVAL;
1062
1063         field = f->fmt.pix.field;
1064         maxw  = norm_maxw(core->tvnorm);
1065         maxh  = norm_maxh(core->tvnorm);
1066
1067         if (V4L2_FIELD_ANY == field) {
1068                 field = (f->fmt.pix.height > maxh/2)
1069                         ? V4L2_FIELD_INTERLACED
1070                         : V4L2_FIELD_BOTTOM;
1071         }
1072
1073         switch (field) {
1074         case V4L2_FIELD_TOP:
1075         case V4L2_FIELD_BOTTOM:
1076                 maxh = maxh / 2;
1077                 break;
1078         case V4L2_FIELD_INTERLACED:
1079                 break;
1080         default:
1081                 return -EINVAL;
1082         }
1083
1084         f->fmt.pix.field = field;
1085         if (f->fmt.pix.height < 32)
1086                 f->fmt.pix.height = 32;
1087         if (f->fmt.pix.height > maxh)
1088                 f->fmt.pix.height = maxh;
1089         if (f->fmt.pix.width < 48)
1090                 f->fmt.pix.width = 48;
1091         if (f->fmt.pix.width > maxw)
1092                 f->fmt.pix.width = maxw;
1093         f->fmt.pix.width &= ~0x03;
1094         f->fmt.pix.bytesperline =
1095                 (f->fmt.pix.width * fmt->depth) >> 3;
1096         f->fmt.pix.sizeimage =
1097                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1098
1099         return 0;
1100 }
1101
1102 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1103                                         struct v4l2_format *f)
1104 {
1105         struct cx8800_fh  *fh   = priv;
1106         int err = vidioc_try_fmt_cap (file,priv,f);
1107
1108         if (0 != err)
1109                 return err;
1110         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1111         fh->width      = f->fmt.pix.width;
1112         fh->height     = f->fmt.pix.height;
1113         fh->vidq.field = f->fmt.pix.field;
1114         return 0;
1115 }
1116
1117 static int vidioc_querycap (struct file *file, void  *priv,
1118                                         struct v4l2_capability *cap)
1119 {
1120         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1121         struct cx88_core  *core = dev->core;
1122
1123         strcpy(cap->driver, "cx8800");
1124         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1125         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1126         cap->version = CX88_VERSION_CODE;
1127         cap->capabilities =
1128                 V4L2_CAP_VIDEO_CAPTURE |
1129                 V4L2_CAP_READWRITE     |
1130                 V4L2_CAP_STREAMING     |
1131                 V4L2_CAP_VBI_CAPTURE;
1132         if (UNSET != core->board.tuner_type)
1133                 cap->capabilities |= V4L2_CAP_TUNER;
1134         return 0;
1135 }
1136
1137 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
1138                                         struct v4l2_fmtdesc *f)
1139 {
1140         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1141                 return -EINVAL;
1142
1143         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1144         f->pixelformat = formats[f->index].fourcc;
1145
1146         return 0;
1147 }
1148
1149 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1150 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1151 {
1152         struct cx8800_fh           *fh  = priv;
1153
1154         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1155 }
1156 #endif
1157
1158 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1159 {
1160         struct cx8800_fh  *fh   = priv;
1161         return (videobuf_reqbufs(get_queue(fh), p));
1162 }
1163
1164 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1165 {
1166         struct cx8800_fh  *fh   = priv;
1167         return (videobuf_querybuf(get_queue(fh), p));
1168 }
1169
1170 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1171 {
1172         struct cx8800_fh  *fh   = priv;
1173         return (videobuf_qbuf(get_queue(fh), p));
1174 }
1175
1176 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1177 {
1178         struct cx8800_fh  *fh   = priv;
1179         return (videobuf_dqbuf(get_queue(fh), p,
1180                                 file->f_flags & O_NONBLOCK));
1181 }
1182
1183 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1184 {
1185         struct cx8800_fh  *fh   = priv;
1186         struct cx8800_dev *dev  = fh->dev;
1187
1188         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1189                 return -EINVAL;
1190         if (unlikely(i != fh->type))
1191                 return -EINVAL;
1192
1193         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1194                 return -EBUSY;
1195         return videobuf_streamon(get_queue(fh));
1196 }
1197
1198 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1199 {
1200         struct cx8800_fh  *fh   = priv;
1201         struct cx8800_dev *dev  = fh->dev;
1202         int               err, res;
1203
1204         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1205                 return -EINVAL;
1206         if (i != fh->type)
1207                 return -EINVAL;
1208
1209         res = get_ressource(fh);
1210         err = videobuf_streamoff(get_queue(fh));
1211         if (err < 0)
1212                 return err;
1213         res_free(dev,fh,res);
1214         return 0;
1215 }
1216
1217 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1218 {
1219         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1220
1221         mutex_lock(&core->lock);
1222         cx88_set_tvnorm(core,*tvnorms);
1223         mutex_unlock(&core->lock);
1224
1225         return 0;
1226 }
1227
1228 /* only one input in this sample driver */
1229 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1230 {
1231         static const char *iname[] = {
1232                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1233                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1234                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1235                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1236                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1237                 [ CX88_VMUX_TELEVISION ] = "Television",
1238                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1239                 [ CX88_VMUX_DVB        ] = "DVB",
1240                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1241         };
1242         unsigned int n;
1243
1244         n = i->index;
1245         if (n >= 4)
1246                 return -EINVAL;
1247         if (0 == INPUT(n).type)
1248                 return -EINVAL;
1249         memset(i,0,sizeof(*i));
1250         i->index = n;
1251         i->type  = V4L2_INPUT_TYPE_CAMERA;
1252         strcpy(i->name,iname[INPUT(n).type]);
1253         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1254             (CX88_VMUX_CABLE      == INPUT(n).type))
1255                 i->type = V4L2_INPUT_TYPE_TUNER;
1256                 i->std = CX88_NORMS;
1257         return 0;
1258 }
1259 EXPORT_SYMBOL(cx88_enum_input);
1260
1261 static int vidioc_enum_input (struct file *file, void *priv,
1262                                 struct v4l2_input *i)
1263 {
1264         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1265         return cx88_enum_input (core,i);
1266 }
1267
1268 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1269 {
1270         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1271
1272         *i = core->input;
1273         return 0;
1274 }
1275
1276 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1277 {
1278         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1279
1280         if (i >= 4)
1281                 return -EINVAL;
1282
1283         mutex_lock(&core->lock);
1284         cx88_newstation(core);
1285         cx88_video_mux(core,i);
1286         mutex_unlock(&core->lock);
1287         return 0;
1288 }
1289
1290
1291
1292 static int vidioc_queryctrl (struct file *file, void *priv,
1293                                 struct v4l2_queryctrl *qctrl)
1294 {
1295         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1296
1297         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1298         if (unlikely(qctrl->id == 0))
1299                 return -EINVAL;
1300         return cx8800_ctrl_query(core, qctrl);
1301 }
1302
1303 static int vidioc_g_ctrl (struct file *file, void *priv,
1304                                 struct v4l2_control *ctl)
1305 {
1306         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1307         return
1308                 cx88_get_control(core,ctl);
1309 }
1310
1311 static int vidioc_s_ctrl (struct file *file, void *priv,
1312                                 struct v4l2_control *ctl)
1313 {
1314         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1315         return
1316                 cx88_set_control(core,ctl);
1317 }
1318
1319 static int vidioc_g_tuner (struct file *file, void *priv,
1320                                 struct v4l2_tuner *t)
1321 {
1322         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1323         u32 reg;
1324
1325         if (unlikely(UNSET == core->board.tuner_type))
1326                 return -EINVAL;
1327         if (0 != t->index)
1328                 return -EINVAL;
1329
1330         strcpy(t->name, "Television");
1331         t->type       = V4L2_TUNER_ANALOG_TV;
1332         t->capability = V4L2_TUNER_CAP_NORM;
1333         t->rangehigh  = 0xffffffffUL;
1334
1335         cx88_get_stereo(core ,t);
1336         reg = cx_read(MO_DEVICE_STATUS);
1337         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1338         return 0;
1339 }
1340
1341 static int vidioc_s_tuner (struct file *file, void *priv,
1342                                 struct v4l2_tuner *t)
1343 {
1344         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1345
1346         if (UNSET == core->board.tuner_type)
1347                 return -EINVAL;
1348         if (0 != t->index)
1349                 return -EINVAL;
1350
1351         cx88_set_stereo(core, t->audmode, 1);
1352         return 0;
1353 }
1354
1355 static int vidioc_g_frequency (struct file *file, void *priv,
1356                                 struct v4l2_frequency *f)
1357 {
1358         struct cx8800_fh  *fh   = priv;
1359         struct cx88_core  *core = fh->dev->core;
1360
1361         if (unlikely(UNSET == core->board.tuner_type))
1362                 return -EINVAL;
1363
1364         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1365         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1366         f->frequency = core->freq;
1367
1368         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1369
1370         return 0;
1371 }
1372
1373 int cx88_set_freq (struct cx88_core  *core,
1374                                 struct v4l2_frequency *f)
1375 {
1376         if (unlikely(UNSET == core->board.tuner_type))
1377                 return -EINVAL;
1378         if (unlikely(f->tuner != 0))
1379                 return -EINVAL;
1380
1381         mutex_lock(&core->lock);
1382         core->freq = f->frequency;
1383         cx88_newstation(core);
1384         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1385
1386         /* When changing channels it is required to reset TVAUDIO */
1387         msleep (10);
1388         cx88_set_tvaudio(core);
1389
1390         mutex_unlock(&core->lock);
1391
1392         return 0;
1393 }
1394 EXPORT_SYMBOL(cx88_set_freq);
1395
1396 static int vidioc_s_frequency (struct file *file, void *priv,
1397                                 struct v4l2_frequency *f)
1398 {
1399         struct cx8800_fh  *fh   = priv;
1400         struct cx88_core  *core = fh->dev->core;
1401
1402         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1403                 return -EINVAL;
1404         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1405                 return -EINVAL;
1406
1407         return
1408                 cx88_set_freq (core,f);
1409 }
1410
1411 #ifdef CONFIG_VIDEO_ADV_DEBUG
1412 static int vidioc_g_register (struct file *file, void *fh,
1413                                 struct v4l2_register *reg)
1414 {
1415         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1416
1417         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1418                 return -EINVAL;
1419         /* cx2388x has a 24-bit register space */
1420         reg->val = cx_read(reg->reg&0xffffff);
1421         return 0;
1422 }
1423
1424 static int vidioc_s_register (struct file *file, void *fh,
1425                                 struct v4l2_register *reg)
1426 {
1427         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1428
1429         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1430                 return -EINVAL;
1431         cx_write(reg->reg&0xffffff, reg->val);
1432         return 0;
1433 }
1434 #endif
1435
1436 /* ----------------------------------------------------------- */
1437 /* RADIO ESPECIFIC IOCTLS                                      */
1438 /* ----------------------------------------------------------- */
1439
1440 static int radio_querycap (struct file *file, void  *priv,
1441                                         struct v4l2_capability *cap)
1442 {
1443         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1444         struct cx88_core  *core = dev->core;
1445
1446         strcpy(cap->driver, "cx8800");
1447         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1448         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1449         cap->version = CX88_VERSION_CODE;
1450         cap->capabilities = V4L2_CAP_TUNER;
1451         return 0;
1452 }
1453
1454 static int radio_g_tuner (struct file *file, void *priv,
1455                                 struct v4l2_tuner *t)
1456 {
1457         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1458
1459         if (unlikely(t->index > 0))
1460                 return -EINVAL;
1461
1462         strcpy(t->name, "Radio");
1463         t->type = V4L2_TUNER_RADIO;
1464
1465         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1466         return 0;
1467 }
1468
1469 static int radio_enum_input (struct file *file, void *priv,
1470                                 struct v4l2_input *i)
1471 {
1472         if (i->index != 0)
1473                 return -EINVAL;
1474         strcpy(i->name,"Radio");
1475         i->type = V4L2_INPUT_TYPE_TUNER;
1476
1477         return 0;
1478 }
1479
1480 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1481 {
1482         if (unlikely(a->index))
1483                 return -EINVAL;
1484
1485         memset(a,0,sizeof(*a));
1486         strcpy(a->name,"Radio");
1487         return 0;
1488 }
1489
1490 /* FIXME: Should add a standard for radio */
1491
1492 static int radio_s_tuner (struct file *file, void *priv,
1493                                 struct v4l2_tuner *t)
1494 {
1495         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1496
1497         if (0 != t->index)
1498                 return -EINVAL;
1499
1500         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1501
1502         return 0;
1503 }
1504
1505 static int radio_s_audio (struct file *file, void *fh,
1506                           struct v4l2_audio *a)
1507 {
1508         return 0;
1509 }
1510
1511 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1512 {
1513         return 0;
1514 }
1515
1516 static int radio_queryctrl (struct file *file, void *priv,
1517                             struct v4l2_queryctrl *c)
1518 {
1519         int i;
1520
1521         if (c->id <  V4L2_CID_BASE ||
1522                 c->id >= V4L2_CID_LASTP1)
1523                 return -EINVAL;
1524         if (c->id == V4L2_CID_AUDIO_MUTE) {
1525                 for (i = 0; i < CX8800_CTLS; i++)
1526                         if (cx8800_ctls[i].v.id == c->id)
1527                                 break;
1528                 *c = cx8800_ctls[i].v;
1529         } else
1530                 *c = no_ctl;
1531         return 0;
1532 }
1533
1534 /* ----------------------------------------------------------- */
1535
1536 static void cx8800_vid_timeout(unsigned long data)
1537 {
1538         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1539         struct cx88_core *core = dev->core;
1540         struct cx88_dmaqueue *q = &dev->vidq;
1541         struct cx88_buffer *buf;
1542         unsigned long flags;
1543
1544         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1545
1546         cx_clear(MO_VID_DMACNTRL, 0x11);
1547         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1548
1549         spin_lock_irqsave(&dev->slock,flags);
1550         while (!list_empty(&q->active)) {
1551                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1552                 list_del(&buf->vb.queue);
1553                 buf->vb.state = VIDEOBUF_ERROR;
1554                 wake_up(&buf->vb.done);
1555                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1556                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1557         }
1558         restart_video_queue(dev,q);
1559         spin_unlock_irqrestore(&dev->slock,flags);
1560 }
1561
1562 static char *cx88_vid_irqs[32] = {
1563         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1564         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1565         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1566         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1567         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1568 };
1569
1570 static void cx8800_vid_irq(struct cx8800_dev *dev)
1571 {
1572         struct cx88_core *core = dev->core;
1573         u32 status, mask, count;
1574
1575         status = cx_read(MO_VID_INTSTAT);
1576         mask   = cx_read(MO_VID_INTMSK);
1577         if (0 == (status & mask))
1578                 return;
1579         cx_write(MO_VID_INTSTAT, status);
1580         if (irq_debug  ||  (status & mask & ~0xff))
1581                 cx88_print_irqbits(core->name, "irq vid",
1582                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1583                                    status, mask);
1584
1585         /* risc op code error */
1586         if (status & (1 << 16)) {
1587                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1588                 cx_clear(MO_VID_DMACNTRL, 0x11);
1589                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1590                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1591         }
1592
1593         /* risc1 y */
1594         if (status & 0x01) {
1595                 spin_lock(&dev->slock);
1596                 count = cx_read(MO_VIDY_GPCNT);
1597                 cx88_wakeup(core, &dev->vidq, count);
1598                 spin_unlock(&dev->slock);
1599         }
1600
1601         /* risc1 vbi */
1602         if (status & 0x08) {
1603                 spin_lock(&dev->slock);
1604                 count = cx_read(MO_VBI_GPCNT);
1605                 cx88_wakeup(core, &dev->vbiq, count);
1606                 spin_unlock(&dev->slock);
1607         }
1608
1609         /* risc2 y */
1610         if (status & 0x10) {
1611                 dprintk(2,"stopper video\n");
1612                 spin_lock(&dev->slock);
1613                 restart_video_queue(dev,&dev->vidq);
1614                 spin_unlock(&dev->slock);
1615         }
1616
1617         /* risc2 vbi */
1618         if (status & 0x80) {
1619                 dprintk(2,"stopper vbi\n");
1620                 spin_lock(&dev->slock);
1621                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1622                 spin_unlock(&dev->slock);
1623         }
1624 }
1625
1626 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1627 {
1628         struct cx8800_dev *dev = dev_id;
1629         struct cx88_core *core = dev->core;
1630         u32 status;
1631         int loop, handled = 0;
1632
1633         for (loop = 0; loop < 10; loop++) {
1634                 status = cx_read(MO_PCI_INTSTAT) &
1635                         (core->pci_irqmask | PCI_INT_VIDINT);
1636                 if (0 == status)
1637                         goto out;
1638                 cx_write(MO_PCI_INTSTAT, status);
1639                 handled = 1;
1640
1641                 if (status & core->pci_irqmask)
1642                         cx88_core_irq(core,status);
1643                 if (status & PCI_INT_VIDINT)
1644                         cx8800_vid_irq(dev);
1645         };
1646         if (10 == loop) {
1647                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1648                        core->name);
1649                 cx_write(MO_PCI_INTMSK,0);
1650         }
1651
1652  out:
1653         return IRQ_RETVAL(handled);
1654 }
1655
1656 /* ----------------------------------------------------------- */
1657 /* exported stuff                                              */
1658
1659 static const struct file_operations video_fops =
1660 {
1661         .owner         = THIS_MODULE,
1662         .open          = video_open,
1663         .release       = video_release,
1664         .read          = video_read,
1665         .poll          = video_poll,
1666         .mmap          = video_mmap,
1667         .ioctl         = video_ioctl2,
1668         .compat_ioctl  = v4l_compat_ioctl32,
1669         .llseek        = no_llseek,
1670 };
1671
1672 static struct video_device cx8800_vbi_template;
1673 static struct video_device cx8800_video_template =
1674 {
1675         .name                 = "cx8800-video",
1676         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1677         .fops                 = &video_fops,
1678         .minor                = -1,
1679         .vidioc_querycap      = vidioc_querycap,
1680         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1681         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1682         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1683         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1684         .vidioc_g_fmt_vbi     = cx8800_vbi_fmt,
1685         .vidioc_try_fmt_vbi   = cx8800_vbi_fmt,
1686         .vidioc_s_fmt_vbi     = cx8800_vbi_fmt,
1687         .vidioc_reqbufs       = vidioc_reqbufs,
1688         .vidioc_querybuf      = vidioc_querybuf,
1689         .vidioc_qbuf          = vidioc_qbuf,
1690         .vidioc_dqbuf         = vidioc_dqbuf,
1691         .vidioc_s_std         = vidioc_s_std,
1692         .vidioc_enum_input    = vidioc_enum_input,
1693         .vidioc_g_input       = vidioc_g_input,
1694         .vidioc_s_input       = vidioc_s_input,
1695         .vidioc_queryctrl     = vidioc_queryctrl,
1696         .vidioc_g_ctrl        = vidioc_g_ctrl,
1697         .vidioc_s_ctrl        = vidioc_s_ctrl,
1698         .vidioc_streamon      = vidioc_streamon,
1699         .vidioc_streamoff     = vidioc_streamoff,
1700 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1701         .vidiocgmbuf          = vidiocgmbuf,
1702 #endif
1703         .vidioc_g_tuner       = vidioc_g_tuner,
1704         .vidioc_s_tuner       = vidioc_s_tuner,
1705         .vidioc_g_frequency   = vidioc_g_frequency,
1706         .vidioc_s_frequency   = vidioc_s_frequency,
1707 #ifdef CONFIG_VIDEO_ADV_DEBUG
1708         .vidioc_g_register    = vidioc_g_register,
1709         .vidioc_s_register    = vidioc_s_register,
1710 #endif
1711         .tvnorms              = CX88_NORMS,
1712         .current_norm         = V4L2_STD_NTSC_M,
1713 };
1714
1715 static const struct file_operations radio_fops =
1716 {
1717         .owner         = THIS_MODULE,
1718         .open          = video_open,
1719         .release       = video_release,
1720         .ioctl         = video_ioctl2,
1721         .compat_ioctl  = v4l_compat_ioctl32,
1722         .llseek        = no_llseek,
1723 };
1724
1725 static struct video_device cx8800_radio_template =
1726 {
1727         .name                 = "cx8800-radio",
1728         .type                 = VID_TYPE_TUNER,
1729         .fops                 = &radio_fops,
1730         .minor                = -1,
1731         .vidioc_querycap      = radio_querycap,
1732         .vidioc_g_tuner       = radio_g_tuner,
1733         .vidioc_enum_input    = radio_enum_input,
1734         .vidioc_g_audio       = radio_g_audio,
1735         .vidioc_s_tuner       = radio_s_tuner,
1736         .vidioc_s_audio       = radio_s_audio,
1737         .vidioc_s_input       = radio_s_input,
1738         .vidioc_queryctrl     = radio_queryctrl,
1739         .vidioc_g_ctrl        = vidioc_g_ctrl,
1740         .vidioc_s_ctrl        = vidioc_s_ctrl,
1741         .vidioc_g_frequency   = vidioc_g_frequency,
1742         .vidioc_s_frequency   = vidioc_s_frequency,
1743 #ifdef CONFIG_VIDEO_ADV_DEBUG
1744         .vidioc_g_register    = vidioc_g_register,
1745         .vidioc_s_register    = vidioc_s_register,
1746 #endif
1747 };
1748
1749 /* ----------------------------------------------------------- */
1750
1751 static void cx8800_unregister_video(struct cx8800_dev *dev)
1752 {
1753         if (dev->radio_dev) {
1754                 if (-1 != dev->radio_dev->minor)
1755                         video_unregister_device(dev->radio_dev);
1756                 else
1757                         video_device_release(dev->radio_dev);
1758                 dev->radio_dev = NULL;
1759         }
1760         if (dev->vbi_dev) {
1761                 if (-1 != dev->vbi_dev->minor)
1762                         video_unregister_device(dev->vbi_dev);
1763                 else
1764                         video_device_release(dev->vbi_dev);
1765                 dev->vbi_dev = NULL;
1766         }
1767         if (dev->video_dev) {
1768                 if (-1 != dev->video_dev->minor)
1769                         video_unregister_device(dev->video_dev);
1770                 else
1771                         video_device_release(dev->video_dev);
1772                 dev->video_dev = NULL;
1773         }
1774 }
1775
1776 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1777                                     const struct pci_device_id *pci_id)
1778 {
1779         struct cx8800_dev *dev;
1780         struct cx88_core *core;
1781
1782         int err;
1783
1784         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1785         if (NULL == dev)
1786                 return -ENOMEM;
1787
1788         /* pci init */
1789         dev->pci = pci_dev;
1790         if (pci_enable_device(pci_dev)) {
1791                 err = -EIO;
1792                 goto fail_free;
1793         }
1794         core = cx88_core_get(dev->pci);
1795         if (NULL == core) {
1796                 err = -EINVAL;
1797                 goto fail_free;
1798         }
1799         dev->core = core;
1800
1801         /* print pci info */
1802         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1803         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1804         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1805                "latency: %d, mmio: 0x%llx\n", core->name,
1806                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1807                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1808
1809         pci_set_master(pci_dev);
1810         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1811                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1812                 err = -EIO;
1813                 goto fail_core;
1814         }
1815
1816         /* Initialize VBI template */
1817         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1818                 sizeof(cx8800_vbi_template) );
1819         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1820         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1821
1822         /* initialize driver struct */
1823         spin_lock_init(&dev->slock);
1824         core->tvnorm = cx8800_video_template.current_norm;
1825
1826         /* init video dma queues */
1827         INIT_LIST_HEAD(&dev->vidq.active);
1828         INIT_LIST_HEAD(&dev->vidq.queued);
1829         dev->vidq.timeout.function = cx8800_vid_timeout;
1830         dev->vidq.timeout.data     = (unsigned long)dev;
1831         init_timer(&dev->vidq.timeout);
1832         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1833                           MO_VID_DMACNTRL,0x11,0x00);
1834
1835         /* init vbi dma queues */
1836         INIT_LIST_HEAD(&dev->vbiq.active);
1837         INIT_LIST_HEAD(&dev->vbiq.queued);
1838         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1839         dev->vbiq.timeout.data     = (unsigned long)dev;
1840         init_timer(&dev->vbiq.timeout);
1841         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1842                           MO_VID_DMACNTRL,0x88,0x00);
1843
1844         /* get irq */
1845         err = request_irq(pci_dev->irq, cx8800_irq,
1846                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1847         if (err < 0) {
1848                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1849                        core->name,pci_dev->irq);
1850                 goto fail_core;
1851         }
1852         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1853
1854         /* load and configure helper modules */
1855
1856         if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1857                 request_module("wm8775");
1858
1859         switch (core->boardnr) {
1860         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1861         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1862                 request_module("rtc-isl1208");
1863                 /* break intentionally omitted */
1864         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1865                 request_module("ir-kbd-i2c");
1866         }
1867
1868         /* register v4l devices */
1869         dev->video_dev = cx88_vdev_init(core,dev->pci,
1870                                         &cx8800_video_template,"video");
1871         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1872                                     video_nr[core->nr]);
1873         if (err < 0) {
1874                 printk(KERN_ERR "%s/0: can't register video device\n",
1875                        core->name);
1876                 goto fail_unreg;
1877         }
1878         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1879                core->name,dev->video_dev->minor & 0x1f);
1880
1881         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1882         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1883                                     vbi_nr[core->nr]);
1884         if (err < 0) {
1885                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1886                        core->name);
1887                 goto fail_unreg;
1888         }
1889         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1890                core->name,dev->vbi_dev->minor & 0x1f);
1891
1892         if (core->board.radio.type == CX88_RADIO) {
1893                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1894                                                 &cx8800_radio_template,"radio");
1895                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1896                                             radio_nr[core->nr]);
1897                 if (err < 0) {
1898                         printk(KERN_ERR "%s/0: can't register radio device\n",
1899                                core->name);
1900                         goto fail_unreg;
1901                 }
1902                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1903                        core->name,dev->radio_dev->minor & 0x1f);
1904         }
1905
1906         /* everything worked */
1907         list_add_tail(&dev->devlist,&cx8800_devlist);
1908         pci_set_drvdata(pci_dev,dev);
1909
1910         /* initial device configuration */
1911         mutex_lock(&core->lock);
1912         cx88_set_tvnorm(core,core->tvnorm);
1913         init_controls(core);
1914         cx88_video_mux(core,0);
1915         mutex_unlock(&core->lock);
1916
1917         /* start tvaudio thread */
1918         if (core->board.tuner_type != TUNER_ABSENT) {
1919                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1920                 if (IS_ERR(core->kthread)) {
1921                         err = PTR_ERR(core->kthread);
1922                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1923                                core->name, err);
1924                 }
1925         }
1926         return 0;
1927
1928 fail_unreg:
1929         cx8800_unregister_video(dev);
1930         free_irq(pci_dev->irq, dev);
1931 fail_core:
1932         cx88_core_put(core,dev->pci);
1933 fail_free:
1934         kfree(dev);
1935         return err;
1936 }
1937
1938 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1939 {
1940         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1941         struct cx88_core *core = dev->core;
1942
1943         /* stop thread */
1944         if (core->kthread) {
1945                 kthread_stop(core->kthread);
1946                 core->kthread = NULL;
1947         }
1948
1949         if (core->ir)
1950                 cx88_ir_stop(core, core->ir);
1951
1952         cx88_shutdown(core); /* FIXME */
1953         pci_disable_device(pci_dev);
1954
1955         /* unregister stuff */
1956
1957         free_irq(pci_dev->irq, dev);
1958         cx8800_unregister_video(dev);
1959         pci_set_drvdata(pci_dev, NULL);
1960
1961         /* free memory */
1962         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1963         list_del(&dev->devlist);
1964         cx88_core_put(core,dev->pci);
1965         kfree(dev);
1966 }
1967
1968 #ifdef CONFIG_PM
1969 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1970 {
1971         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1972         struct cx88_core *core = dev->core;
1973
1974         /* stop video+vbi capture */
1975         spin_lock(&dev->slock);
1976         if (!list_empty(&dev->vidq.active)) {
1977                 printk("%s/0: suspend video\n", core->name);
1978                 stop_video_dma(dev);
1979                 del_timer(&dev->vidq.timeout);
1980         }
1981         if (!list_empty(&dev->vbiq.active)) {
1982                 printk("%s/0: suspend vbi\n", core->name);
1983                 cx8800_stop_vbi_dma(dev);
1984                 del_timer(&dev->vbiq.timeout);
1985         }
1986         spin_unlock(&dev->slock);
1987
1988         if (core->ir)
1989                 cx88_ir_stop(core, core->ir);
1990         /* FIXME -- shutdown device */
1991         cx88_shutdown(core);
1992
1993         pci_save_state(pci_dev);
1994         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1995                 pci_disable_device(pci_dev);
1996                 dev->state.disabled = 1;
1997         }
1998         return 0;
1999 }
2000
2001 static int cx8800_resume(struct pci_dev *pci_dev)
2002 {
2003         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2004         struct cx88_core *core = dev->core;
2005         int err;
2006
2007         if (dev->state.disabled) {
2008                 err=pci_enable_device(pci_dev);
2009                 if (err) {
2010                         printk(KERN_ERR "%s/0: can't enable device\n",
2011                                core->name);
2012                         return err;
2013                 }
2014
2015                 dev->state.disabled = 0;
2016         }
2017         err= pci_set_power_state(pci_dev, PCI_D0);
2018         if (err) {
2019                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2020                 pci_disable_device(pci_dev);
2021                 dev->state.disabled = 1;
2022
2023                 return err;
2024         }
2025         pci_restore_state(pci_dev);
2026
2027         /* FIXME: re-initialize hardware */
2028         cx88_reset(core);
2029         if (core->ir)
2030                 cx88_ir_start(core, core->ir);
2031
2032         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2033
2034         /* restart video+vbi capture */
2035         spin_lock(&dev->slock);
2036         if (!list_empty(&dev->vidq.active)) {
2037                 printk("%s/0: resume video\n", core->name);
2038                 restart_video_queue(dev,&dev->vidq);
2039         }
2040         if (!list_empty(&dev->vbiq.active)) {
2041                 printk("%s/0: resume vbi\n", core->name);
2042                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2043         }
2044         spin_unlock(&dev->slock);
2045
2046         return 0;
2047 }
2048 #endif
2049
2050 /* ----------------------------------------------------------- */
2051
2052 static struct pci_device_id cx8800_pci_tbl[] = {
2053         {
2054                 .vendor       = 0x14f1,
2055                 .device       = 0x8800,
2056                 .subvendor    = PCI_ANY_ID,
2057                 .subdevice    = PCI_ANY_ID,
2058         },{
2059                 /* --- end of list --- */
2060         }
2061 };
2062 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2063
2064 static struct pci_driver cx8800_pci_driver = {
2065         .name     = "cx8800",
2066         .id_table = cx8800_pci_tbl,
2067         .probe    = cx8800_initdev,
2068         .remove   = __devexit_p(cx8800_finidev),
2069 #ifdef CONFIG_PM
2070         .suspend  = cx8800_suspend,
2071         .resume   = cx8800_resume,
2072 #endif
2073 };
2074
2075 static int cx8800_init(void)
2076 {
2077         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2078                (CX88_VERSION_CODE >> 16) & 0xff,
2079                (CX88_VERSION_CODE >>  8) & 0xff,
2080                CX88_VERSION_CODE & 0xff);
2081 #ifdef SNAPSHOT
2082         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2083                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2084 #endif
2085         return pci_register_driver(&cx8800_pci_driver);
2086 }
2087
2088 static void cx8800_fini(void)
2089 {
2090         pci_unregister_driver(&cx8800_pci_driver);
2091 }
2092
2093 module_init(cx8800_init);
2094 module_exit(cx8800_fini);
2095
2096 /* ----------------------------------------------------------- */
2097 /*
2098  * Local variables:
2099  * c-basic-offset: 8
2100  * End:
2101  * 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
2102  */