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 #include <media/v4l2-ioctl.h>
  43
  44 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  45 /* Include V4L1 specific functions. Should be removed soon */
  46 #include <linux/videodev.h>
  47 #endif
  48
  49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  51 MODULE_LICENSE("GPL");
  52
  53 /* ------------------------------------------------------------------ */
  54
  55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  58
  59 module_param_array(video_nr, int, NULL, 0444);
  60 module_param_array(vbi_nr,   int, NULL, 0444);
  61 module_param_array(radio_nr, int, NULL, 0444);
  62
  63 MODULE_PARM_DESC(video_nr,"video device numbers");
  64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  66
  67 static unsigned int video_debug;
  68 module_param(video_debug,int,0644);
  69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  70
  71 static unsigned int irq_debug;
  72 module_param(irq_debug,int,0644);
  73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  74
  75 static unsigned int vid_limit = 16;
  76 module_param(vid_limit,int,0644);
  77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  78
  79 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  80         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  81
  82 /* ------------------------------------------------------------------ */
  83
  84 static LIST_HEAD(cx8800_devlist);
  85
  86 /* ------------------------------------------------------------------- */
  87 /* static data                                                         */
  88
  89 static struct cx8800_fmt formats[] = {
  90         {
  91                 .name     = "8 bpp, gray",
  92                 .fourcc   = V4L2_PIX_FMT_GREY,
  93                 .cxformat = ColorFormatY8,
  94                 .depth    = 8,
  95                 .flags    = FORMAT_FLAGS_PACKED,
  96         },{
  97                 .name     = "15 bpp RGB, le",
  98                 .fourcc   = V4L2_PIX_FMT_RGB555,
  99                 .cxformat = ColorFormatRGB15,
 100                 .depth    = 16,
 101                 .flags    = FORMAT_FLAGS_PACKED,
 102         },{
 103                 .name     = "15 bpp RGB, be",
 104                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 105                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 106                 .depth    = 16,
 107                 .flags    = FORMAT_FLAGS_PACKED,
 108         },{
 109                 .name     = "16 bpp RGB, le",
 110                 .fourcc   = V4L2_PIX_FMT_RGB565,
 111                 .cxformat = ColorFormatRGB16,
 112                 .depth    = 16,
 113                 .flags    = FORMAT_FLAGS_PACKED,
 114         },{
 115                 .name     = "16 bpp RGB, be",
 116                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 117                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 118                 .depth    = 16,
 119                 .flags    = FORMAT_FLAGS_PACKED,
 120         },{
 121                 .name     = "24 bpp RGB, le",
 122                 .fourcc   = V4L2_PIX_FMT_BGR24,
 123                 .cxformat = ColorFormatRGB24,
 124                 .depth    = 24,
 125                 .flags    = FORMAT_FLAGS_PACKED,
 126         },{
 127                 .name     = "32 bpp RGB, le",
 128                 .fourcc   = V4L2_PIX_FMT_BGR32,
 129                 .cxformat = ColorFormatRGB32,
 130                 .depth    = 32,
 131                 .flags    = FORMAT_FLAGS_PACKED,
 132         },{
 133                 .name     = "32 bpp RGB, be",
 134                 .fourcc   = V4L2_PIX_FMT_RGB32,
 135                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 136                 .depth    = 32,
 137                 .flags    = FORMAT_FLAGS_PACKED,
 138         },{
 139                 .name     = "4:2:2, packed, YUYV",
 140                 .fourcc   = V4L2_PIX_FMT_YUYV,
 141                 .cxformat = ColorFormatYUY2,
 142                 .depth    = 16,
 143                 .flags    = FORMAT_FLAGS_PACKED,
 144         },{
 145                 .name     = "4:2:2, packed, UYVY",
 146                 .fourcc   = V4L2_PIX_FMT_UYVY,
 147                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 148                 .depth    = 16,
 149                 .flags    = FORMAT_FLAGS_PACKED,
 150         },
 151 };
 152
 153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 154 {
 155         unsigned int i;
 156
 157         for (i = 0; i < ARRAY_SIZE(formats); i++)
 158                 if (formats[i].fourcc == fourcc)
 159                         return formats+i;
 160         return NULL;
 161 }
 162
 163 /* ------------------------------------------------------------------- */
 164
 165 static const struct v4l2_queryctrl no_ctl = {
 166         .name  = "42",
 167         .flags = V4L2_CTRL_FLAG_DISABLED,
 168 };
 169
 170 static struct cx88_ctrl cx8800_ctls[] = {
 171         /* --- video --- */
 172         {
 173                 .v = {
 174                         .id            = V4L2_CID_BRIGHTNESS,
 175                         .name          = "Brightness",
 176                         .minimum       = 0x00,
 177                         .maximum       = 0xff,
 178                         .step          = 1,
 179                         .default_value = 0x7f,
 180                         .type          = V4L2_CTRL_TYPE_INTEGER,
 181                 },
 182                 .off                   = 128,
 183                 .reg                   = MO_CONTR_BRIGHT,
 184                 .mask                  = 0x00ff,
 185                 .shift                 = 0,
 186         },{
 187                 .v = {
 188                         .id            = V4L2_CID_CONTRAST,
 189                         .name          = "Contrast",
 190                         .minimum       = 0,
 191                         .maximum       = 0xff,
 192                         .step          = 1,
 193                         .default_value = 0x3f,
 194                         .type          = V4L2_CTRL_TYPE_INTEGER,
 195                 },
 196                 .off                   = 0,
 197                 .reg                   = MO_CONTR_BRIGHT,
 198                 .mask                  = 0xff00,
 199                 .shift                 = 8,
 200         },{
 201                 .v = {
 202                         .id            = V4L2_CID_HUE,
 203                         .name          = "Hue",
 204                         .minimum       = 0,
 205                         .maximum       = 0xff,
 206                         .step          = 1,
 207                         .default_value = 0x7f,
 208                         .type          = V4L2_CTRL_TYPE_INTEGER,
 209                 },
 210                 .off                   = 128,
 211                 .reg                   = MO_HUE,
 212                 .mask                  = 0x00ff,
 213                 .shift                 = 0,
 214         },{
 215                 /* strictly, this only describes only U saturation.
 216                  * V saturation is handled specially through code.
 217                  */
 218                 .v = {
 219                         .id            = V4L2_CID_SATURATION,
 220                         .name          = "Saturation",
 221                         .minimum       = 0,
 222                         .maximum       = 0xff,
 223                         .step          = 1,
 224                         .default_value = 0x7f,
 225                         .type          = V4L2_CTRL_TYPE_INTEGER,
 226                 },
 227                 .off                   = 0,
 228                 .reg                   = MO_UV_SATURATION,
 229                 .mask                  = 0x00ff,
 230                 .shift                 = 0,
 231         },{
 232                 .v = {
 233                         .id            = V4L2_CID_CHROMA_AGC,
 234                         .name          = "Chroma AGC",
 235                         .minimum       = 0,
 236                         .maximum       = 1,
 237                         .default_value = 0x1,
 238                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 239                 },
 240                 .reg                   = MO_INPUT_FORMAT,
 241                 .mask                  = 1 << 10,
 242                 .shift                 = 10,
 243         }, {
 244                 .v = {
 245                         .id            = V4L2_CID_COLOR_KILLER,
 246                         .name          = "Color killer",
 247                         .minimum       = 0,
 248                         .maximum       = 1,
 249                         .default_value = 0x1,
 250                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 251                 },
 252                 .reg                   = MO_INPUT_FORMAT,
 253                 .mask                  = 1 << 9,
 254                 .shift                 = 9,
 255         }, {
 256         /* --- audio --- */
 257                 .v = {
 258                         .id            = V4L2_CID_AUDIO_MUTE,
 259                         .name          = "Mute",
 260                         .minimum       = 0,
 261                         .maximum       = 1,
 262                         .default_value = 1,
 263                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 264                 },
 265                 .reg                   = AUD_VOL_CTL,
 266                 .sreg                  = SHADOW_AUD_VOL_CTL,
 267                 .mask                  = (1 << 6),
 268                 .shift                 = 6,
 269         },{
 270                 .v = {
 271                         .id            = V4L2_CID_AUDIO_VOLUME,
 272                         .name          = "Volume",
 273                         .minimum       = 0,
 274                         .maximum       = 0x3f,
 275                         .step          = 1,
 276                         .default_value = 0x3f,
 277                         .type          = V4L2_CTRL_TYPE_INTEGER,
 278                 },
 279                 .reg                   = AUD_VOL_CTL,
 280                 .sreg                  = SHADOW_AUD_VOL_CTL,
 281                 .mask                  = 0x3f,
 282                 .shift                 = 0,
 283         },{
 284                 .v = {
 285                         .id            = V4L2_CID_AUDIO_BALANCE,
 286                         .name          = "Balance",
 287                         .minimum       = 0,
 288                         .maximum       = 0x7f,
 289                         .step          = 1,
 290                         .default_value = 0x40,
 291                         .type          = V4L2_CTRL_TYPE_INTEGER,
 292                 },
 293                 .reg                   = AUD_BAL_CTL,
 294                 .sreg                  = SHADOW_AUD_BAL_CTL,
 295                 .mask                  = 0x7f,
 296                 .shift                 = 0,
 297         }
 298 };
 299 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 300
 301 const u32 cx88_user_ctrls[] = {
 302         V4L2_CID_USER_CLASS,
 303         V4L2_CID_BRIGHTNESS,
 304         V4L2_CID_CONTRAST,
 305         V4L2_CID_SATURATION,
 306         V4L2_CID_HUE,
 307         V4L2_CID_AUDIO_VOLUME,
 308         V4L2_CID_AUDIO_BALANCE,
 309         V4L2_CID_AUDIO_MUTE,
 310         V4L2_CID_CHROMA_AGC,
 311         V4L2_CID_COLOR_KILLER,
 312         0
 313 };
 314 EXPORT_SYMBOL(cx88_user_ctrls);
 315
 316 static const u32 *ctrl_classes[] = {
 317         cx88_user_ctrls,
 318         NULL
 319 };
 320
 321 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 322 {
 323         int i;
 324
 325         if (qctrl->id < V4L2_CID_BASE ||
 326             qctrl->id >= V4L2_CID_LASTP1)
 327                 return -EINVAL;
 328         for (i = 0; i < CX8800_CTLS; i++)
 329                 if (cx8800_ctls[i].v.id == qctrl->id)
 330                         break;
 331         if (i == CX8800_CTLS) {
 332                 *qctrl = no_ctl;
 333                 return 0;
 334         }
 335         *qctrl = cx8800_ctls[i].v;
 336         /* Report chroma AGC as inactive when SECAM is selected */
 337         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 338             core->tvnorm & V4L2_STD_SECAM)
 339                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 340
 341         return 0;
 342 }
 343 EXPORT_SYMBOL(cx8800_ctrl_query);
 344
 345 /* ------------------------------------------------------------------- */
 346 /* resource management                                                 */
 347
 348 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 349 {
 350         struct cx88_core *core = dev->core;
 351         if (fh->resources & bit)
 352                 /* have it already allocated */
 353                 return 1;
 354
 355         /* is it free? */
 356         mutex_lock(&core->lock);
 357         if (dev->resources & bit) {
 358                 /* no, someone else uses it */
 359                 mutex_unlock(&core->lock);
 360                 return 0;
 361         }
 362         /* it's free, grab it */
 363         fh->resources  |= bit;
 364         dev->resources |= bit;
 365         dprintk(1,"res: get %d\n",bit);
 366         mutex_unlock(&core->lock);
 367         return 1;
 368 }
 369
 370 static
 371 int res_check(struct cx8800_fh *fh, unsigned int bit)
 372 {
 373         return (fh->resources & bit);
 374 }
 375
 376 static
 377 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 378 {
 379         return (dev->resources & bit);
 380 }
 381
 382 static
 383 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 384 {
 385         struct cx88_core *core = dev->core;
 386         BUG_ON((fh->resources & bits) != bits);
 387
 388         mutex_lock(&core->lock);
 389         fh->resources  &= ~bits;
 390         dev->resources &= ~bits;
 391         dprintk(1,"res: put %d\n",bits);
 392         mutex_unlock(&core->lock);
 393 }
 394
 395 /* ------------------------------------------------------------------ */
 396
 397 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 398 {
 399         /* struct cx88_core *core = dev->core; */
 400
 401         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 402                 input, INPUT(input).vmux,
 403                 INPUT(input).gpio0,INPUT(input).gpio1,
 404                 INPUT(input).gpio2,INPUT(input).gpio3);
 405         core->input = input;
 406         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 407         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 408         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 409         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 410         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 411
 412         switch (INPUT(input).type) {
 413         case CX88_VMUX_SVIDEO:
 414                 cx_set(MO_AFECFG_IO,    0x00000001);
 415                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 416                 cx_set(MO_FILTER_EVEN,  0x00002020);
 417                 cx_set(MO_FILTER_ODD,   0x00002020);
 418                 break;
 419         default:
 420                 cx_clear(MO_AFECFG_IO,    0x00000001);
 421                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 422                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 423                 cx_clear(MO_FILTER_ODD,   0x00002020);
 424                 break;
 425         }
 426
 427         /* if there are audioroutes defined, we have an external
 428            ADC to deal with audio */
 429
 430         if (INPUT(input).audioroute) {
 431
 432                 /* cx2388's C-ADC is connected to the tuner only.
 433                    When used with S-Video, that ADC is busy dealing with
 434                    chroma, so an external must be used for baseband audio */
 435
 436                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 437                         INPUT(input).type != CX88_RADIO) {
 438                         /* "ADC mode" */
 439                         cx_write(AUD_I2SCNTL, 0x1);
 440                         cx_set(AUD_CTL, EN_I2SIN_ENABLE);
 441                 } else {
 442                         /* Normal mode */
 443                         cx_write(AUD_I2SCNTL, 0x0);
 444                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 445                 }
 446
 447                 /* The wm8775 module has the "2" route hardwired into
 448                    the initialization. Some boards may use different
 449                    routes for different inputs. HVR-1300 surely does */
 450                 if (core->board.audio_chip &&
 451                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 452                         struct v4l2_routing route;
 453
 454                         route.input = INPUT(input).audioroute;
 455                         cx88_call_i2c_clients(core,
 456                                 VIDIOC_INT_S_AUDIO_ROUTING, &route);
 457
 458                 }
 459
 460         }
 461
 462         return 0;
 463 }
 464 EXPORT_SYMBOL(cx88_video_mux);
 465
 466 /* ------------------------------------------------------------------ */
 467
 468 static int start_video_dma(struct cx8800_dev    *dev,
 469                            struct cx88_dmaqueue *q,
 470                            struct cx88_buffer   *buf)
 471 {
 472         struct cx88_core *core = dev->core;
 473
 474         /* setup fifo + format */
 475         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 476                                 buf->bpl, buf->risc.dma);
 477         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 478         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 479
 480         /* reset counter */
 481         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 482         q->count = 1;
 483
 484         /* enable irqs */
 485         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 486
 487         /* Enables corresponding bits at PCI_INT_STAT:
 488                 bits 0 to 4: video, audio, transport stream, VIP, Host
 489                 bit 7: timer
 490                 bits 8 and 9: DMA complete for: SRC, DST
 491                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 492                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 493          */
 494         cx_set(MO_VID_INTMSK, 0x0f0011);
 495
 496         /* enable capture */
 497         cx_set(VID_CAPTURE_CONTROL,0x06);
 498
 499         /* start dma */
 500         cx_set(MO_DEV_CNTRL2, (1<<5));
 501         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 502
 503         return 0;
 504 }
 505
 506 #ifdef CONFIG_PM
 507 static int stop_video_dma(struct cx8800_dev    *dev)
 508 {
 509         struct cx88_core *core = dev->core;
 510
 511         /* stop dma */
 512         cx_clear(MO_VID_DMACNTRL, 0x11);
 513
 514         /* disable capture */
 515         cx_clear(VID_CAPTURE_CONTROL,0x06);
 516
 517         /* disable irqs */
 518         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 519         cx_clear(MO_VID_INTMSK, 0x0f0011);
 520         return 0;
 521 }
 522 #endif
 523
 524 static int restart_video_queue(struct cx8800_dev    *dev,
 525                                struct cx88_dmaqueue *q)
 526 {
 527         struct cx88_core *core = dev->core;
 528         struct cx88_buffer *buf, *prev;
 529
 530         if (!list_empty(&q->active)) {
 531                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 532                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 533                         buf, buf->vb.i);
 534                 start_video_dma(dev, q, buf);
 535                 list_for_each_entry(buf, &q->active, vb.queue)
 536                         buf->count = q->count++;
 537                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 538                 return 0;
 539         }
 540
 541         prev = NULL;
 542         for (;;) {
 543                 if (list_empty(&q->queued))
 544                         return 0;
 545                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 546                 if (NULL == prev) {
 547                         list_move_tail(&buf->vb.queue, &q->active);
 548                         start_video_dma(dev, q, buf);
 549                         buf->vb.state = VIDEOBUF_ACTIVE;
 550                         buf->count    = q->count++;
 551                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 552                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 553                                 buf,buf->vb.i);
 554
 555                 } else if (prev->vb.width  == buf->vb.width  &&
 556                            prev->vb.height == buf->vb.height &&
 557                            prev->fmt       == buf->fmt) {
 558                         list_move_tail(&buf->vb.queue, &q->active);
 559                         buf->vb.state = VIDEOBUF_ACTIVE;
 560                         buf->count    = q->count++;
 561                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 562                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 563                                 buf,buf->vb.i);
 564                 } else {
 565                         return 0;
 566                 }
 567                 prev = buf;
 568         }
 569 }
 570
 571 /* ------------------------------------------------------------------ */
 572
 573 static int
 574 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 575 {
 576         struct cx8800_fh *fh = q->priv_data;
 577
 578         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 579         if (0 == *count)
 580                 *count = 32;
 581         while (*size * *count > vid_limit * 1024 * 1024)
 582                 (*count)--;
 583         return 0;
 584 }
 585
 586 static int
 587 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 588                enum v4l2_field field)
 589 {
 590         struct cx8800_fh   *fh  = q->priv_data;
 591         struct cx8800_dev  *dev = fh->dev;
 592         struct cx88_core *core = dev->core;
 593         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 594         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 595         int rc, init_buffer = 0;
 596
 597         BUG_ON(NULL == fh->fmt);
 598         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 599             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 600                 return -EINVAL;
 601         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 602         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 603                 return -EINVAL;
 604
 605         if (buf->fmt       != fh->fmt    ||
 606             buf->vb.width  != fh->width  ||
 607             buf->vb.height != fh->height ||
 608             buf->vb.field  != field) {
 609                 buf->fmt       = fh->fmt;
 610                 buf->vb.width  = fh->width;
 611                 buf->vb.height = fh->height;
 612                 buf->vb.field  = field;
 613                 init_buffer = 1;
 614         }
 615
 616         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 617                 init_buffer = 1;
 618                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 619                         goto fail;
 620         }
 621
 622         if (init_buffer) {
 623                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 624                 switch (buf->vb.field) {
 625                 case V4L2_FIELD_TOP:
 626                         cx88_risc_buffer(dev->pci, &buf->risc,
 627                                          dma->sglist, 0, UNSET,
 628                                          buf->bpl, 0, buf->vb.height);
 629                         break;
 630                 case V4L2_FIELD_BOTTOM:
 631                         cx88_risc_buffer(dev->pci, &buf->risc,
 632                                          dma->sglist, UNSET, 0,
 633                                          buf->bpl, 0, buf->vb.height);
 634                         break;
 635                 case V4L2_FIELD_INTERLACED:
 636                         cx88_risc_buffer(dev->pci, &buf->risc,
 637                                          dma->sglist, 0, buf->bpl,
 638                                          buf->bpl, buf->bpl,
 639                                          buf->vb.height >> 1);
 640                         break;
 641                 case V4L2_FIELD_SEQ_TB:
 642                         cx88_risc_buffer(dev->pci, &buf->risc,
 643                                          dma->sglist,
 644                                          0, buf->bpl * (buf->vb.height >> 1),
 645                                          buf->bpl, 0,
 646                                          buf->vb.height >> 1);
 647                         break;
 648                 case V4L2_FIELD_SEQ_BT:
 649                         cx88_risc_buffer(dev->pci, &buf->risc,
 650                                          dma->sglist,
 651                                          buf->bpl * (buf->vb.height >> 1), 0,
 652                                          buf->bpl, 0,
 653                                          buf->vb.height >> 1);
 654                         break;
 655                 default:
 656                         BUG();
 657                 }
 658         }
 659         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 660                 buf, buf->vb.i,
 661                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 662                 (unsigned long)buf->risc.dma);
 663
 664         buf->vb.state = VIDEOBUF_PREPARED;
 665         return 0;
 666
 667  fail:
 668         cx88_free_buffer(q,buf);
 669         return rc;
 670 }
 671
 672 static void
 673 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 674 {
 675         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 676         struct cx88_buffer    *prev;
 677         struct cx8800_fh      *fh   = vq->priv_data;
 678         struct cx8800_dev     *dev  = fh->dev;
 679         struct cx88_core      *core = dev->core;
 680         struct cx88_dmaqueue  *q    = &dev->vidq;
 681
 682         /* add jump to stopper */
 683         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 684         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 685
 686         if (!list_empty(&q->queued)) {
 687                 list_add_tail(&buf->vb.queue,&q->queued);
 688                 buf->vb.state = VIDEOBUF_QUEUED;
 689                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 690                         buf, buf->vb.i);
 691
 692         } else if (list_empty(&q->active)) {
 693                 list_add_tail(&buf->vb.queue,&q->active);
 694                 start_video_dma(dev, q, buf);
 695                 buf->vb.state = VIDEOBUF_ACTIVE;
 696                 buf->count    = q->count++;
 697                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 698                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 699                         buf, buf->vb.i);
 700
 701         } else {
 702                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 703                 if (prev->vb.width  == buf->vb.width  &&
 704                     prev->vb.height == buf->vb.height &&
 705                     prev->fmt       == buf->fmt) {
 706                         list_add_tail(&buf->vb.queue,&q->active);
 707                         buf->vb.state = VIDEOBUF_ACTIVE;
 708                         buf->count    = q->count++;
 709                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 710                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 711                                 buf, buf->vb.i);
 712
 713                 } else {
 714                         list_add_tail(&buf->vb.queue,&q->queued);
 715                         buf->vb.state = VIDEOBUF_QUEUED;
 716                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 717                                 buf, buf->vb.i);
 718                 }
 719         }
 720 }
 721
 722 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 723 {
 724         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 725
 726         cx88_free_buffer(q,buf);
 727 }
 728
 729 static struct videobuf_queue_ops cx8800_video_qops = {
 730         .buf_setup    = buffer_setup,
 731         .buf_prepare  = buffer_prepare,
 732         .buf_queue    = buffer_queue,
 733         .buf_release  = buffer_release,
 734 };
 735
 736 /* ------------------------------------------------------------------ */
 737
 738
 739 /* ------------------------------------------------------------------ */
 740
 741 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 742 {
 743         switch (fh->type) {
 744         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 745                 return &fh->vidq;
 746         case V4L2_BUF_TYPE_VBI_CAPTURE:
 747                 return &fh->vbiq;
 748         default:
 749                 BUG();
 750                 return NULL;
 751         }
 752 }
 753
 754 static int get_ressource(struct cx8800_fh *fh)
 755 {
 756         switch (fh->type) {
 757         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 758                 return RESOURCE_VIDEO;
 759         case V4L2_BUF_TYPE_VBI_CAPTURE:
 760                 return RESOURCE_VBI;
 761         default:
 762                 BUG();
 763                 return 0;
 764         }
 765 }
 766
 767 static int video_open(struct inode *inode, struct file *file)
 768 {
 769         int minor = iminor(inode);
 770         struct cx8800_dev *h,*dev = NULL;
 771         struct cx88_core *core;
 772         struct cx8800_fh *fh;
 773         enum v4l2_buf_type type = 0;
 774         int radio = 0;
 775
 776         list_for_each_entry(h, &cx8800_devlist, devlist) {
 777                 if (h->video_dev->minor == minor) {
 778                         dev  = h;
 779                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 780                 }
 781                 if (h->vbi_dev->minor == minor) {
 782                         dev  = h;
 783                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 784                 }
 785                 if (h->radio_dev &&
 786                     h->radio_dev->minor == minor) {
 787                         radio = 1;
 788                         dev   = h;
 789                 }
 790         }
 791         if (NULL == dev)
 792                 return -ENODEV;
 793
 794         core = dev->core;
 795
 796         dprintk(1,"open minor=%d radio=%d type=%s\n",
 797                 minor,radio,v4l2_type_names[type]);
 798
 799         /* allocate + initialize per filehandle data */
 800         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 801         if (NULL == fh)
 802                 return -ENOMEM;
 803         file->private_data = fh;
 804         fh->dev      = dev;
 805         fh->radio    = radio;
 806         fh->type     = type;
 807         fh->width    = 320;
 808         fh->height   = 240;
 809         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 810
 811         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 812                             &dev->pci->dev, &dev->slock,
 813                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 814                             V4L2_FIELD_INTERLACED,
 815                             sizeof(struct cx88_buffer),
 816                             fh);
 817         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 818                             &dev->pci->dev, &dev->slock,
 819                             V4L2_BUF_TYPE_VBI_CAPTURE,
 820                             V4L2_FIELD_SEQ_TB,
 821                             sizeof(struct cx88_buffer),
 822                             fh);
 823
 824         if (fh->radio) {
 825                 dprintk(1,"video_open: setting radio device\n");
 826                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 827                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 828                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 829                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 830                 core->tvaudio = WW_FM;
 831                 cx88_set_tvaudio(core);
 832                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 833                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 834         }
 835
 836         return 0;
 837 }
 838
 839 static ssize_t
 840 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 841 {
 842         struct cx8800_fh *fh = file->private_data;
 843
 844         switch (fh->type) {
 845         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 846                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 847                         return -EBUSY;
 848                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 849                                          file->f_flags & O_NONBLOCK);
 850         case V4L2_BUF_TYPE_VBI_CAPTURE:
 851                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 852                         return -EBUSY;
 853                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 854                                             file->f_flags & O_NONBLOCK);
 855         default:
 856                 BUG();
 857                 return 0;
 858         }
 859 }
 860
 861 static unsigned int
 862 video_poll(struct file *file, struct poll_table_struct *wait)
 863 {
 864         struct cx8800_fh *fh = file->private_data;
 865         struct cx88_buffer *buf;
 866
 867         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 868                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 869                         return POLLERR;
 870                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 871         }
 872
 873         if (res_check(fh,RESOURCE_VIDEO)) {
 874                 /* streaming capture */
 875                 if (list_empty(&fh->vidq.stream))
 876                         return POLLERR;
 877                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 878         } else {
 879                 /* read() capture */
 880                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 881                 if (NULL == buf)
 882                         return POLLERR;
 883         }
 884         poll_wait(file, &buf->vb.done, wait);
 885         if (buf->vb.state == VIDEOBUF_DONE ||
 886             buf->vb.state == VIDEOBUF_ERROR)
 887                 return POLLIN|POLLRDNORM;
 888         return 0;
 889 }
 890
 891 static int video_release(struct inode *inode, struct file *file)
 892 {
 893         struct cx8800_fh  *fh  = file->private_data;
 894         struct cx8800_dev *dev = fh->dev;
 895
 896         /* turn off overlay */
 897         if (res_check(fh, RESOURCE_OVERLAY)) {
 898                 /* FIXME */
 899                 res_free(dev,fh,RESOURCE_OVERLAY);
 900         }
 901
 902         /* stop video capture */
 903         if (res_check(fh, RESOURCE_VIDEO)) {
 904                 videobuf_queue_cancel(&fh->vidq);
 905                 res_free(dev,fh,RESOURCE_VIDEO);
 906         }
 907         if (fh->vidq.read_buf) {
 908                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 909                 kfree(fh->vidq.read_buf);
 910         }
 911
 912         /* stop vbi capture */
 913         if (res_check(fh, RESOURCE_VBI)) {
 914                 videobuf_stop(&fh->vbiq);
 915                 res_free(dev,fh,RESOURCE_VBI);
 916         }
 917
 918         videobuf_mmap_free(&fh->vidq);
 919         videobuf_mmap_free(&fh->vbiq);
 920         file->private_data = NULL;
 921         kfree(fh);
 922
 923         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 924
 925         return 0;
 926 }
 927
 928 static int
 929 video_mmap(struct file *file, struct vm_area_struct * vma)
 930 {
 931         struct cx8800_fh *fh = file->private_data;
 932
 933         return videobuf_mmap_mapper(get_queue(fh), vma);
 934 }
 935
 936 /* ------------------------------------------------------------------ */
 937 /* VIDEO CTRL IOCTLS                                                  */
 938
 939 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 940 {
 941         struct cx88_ctrl  *c    = NULL;
 942         u32 value;
 943         int i;
 944
 945         for (i = 0; i < CX8800_CTLS; i++)
 946                 if (cx8800_ctls[i].v.id == ctl->id)
 947                         c = &cx8800_ctls[i];
 948         if (unlikely(NULL == c))
 949                 return -EINVAL;
 950
 951         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 952         switch (ctl->id) {
 953         case V4L2_CID_AUDIO_BALANCE:
 954                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 955                                         : (0x7f - (value & 0x7f));
 956                 break;
 957         case V4L2_CID_AUDIO_VOLUME:
 958                 ctl->value = 0x3f - (value & 0x3f);
 959                 break;
 960         default:
 961                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 962                 break;
 963         }
 964         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 965                                 ctl->id, c->v.name, ctl->value, c->reg,
 966                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 967         return 0;
 968 }
 969 EXPORT_SYMBOL(cx88_get_control);
 970
 971 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 972 {
 973         struct cx88_ctrl *c = NULL;
 974         u32 value,mask;
 975         int i;
 976
 977         for (i = 0; i < CX8800_CTLS; i++) {
 978                 if (cx8800_ctls[i].v.id == ctl->id) {
 979                         c = &cx8800_ctls[i];
 980                 }
 981         }
 982         if (unlikely(NULL == c))
 983                 return -EINVAL;
 984
 985         if (ctl->value < c->v.minimum)
 986                 ctl->value = c->v.minimum;
 987         if (ctl->value > c->v.maximum)
 988                 ctl->value = c->v.maximum;
 989         mask=c->mask;
 990         switch (ctl->id) {
 991         case V4L2_CID_AUDIO_BALANCE:
 992                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 993                 break;
 994         case V4L2_CID_AUDIO_VOLUME:
 995                 value = 0x3f - (ctl->value & 0x3f);
 996                 break;
 997         case V4L2_CID_SATURATION:
 998                 /* special v_sat handling */
 999
1000                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1001
1002                 if (core->tvnorm & V4L2_STD_SECAM) {
1003                         /* For SECAM, both U and V sat should be equal */
1004                         value=value<<8|value;
1005                 } else {
1006                         /* Keeps U Saturation proportional to V Sat */
1007                         value=(value*0x5a)/0x7f<<8|value;
1008                 }
1009                 mask=0xffff;
1010                 break;
1011         case V4L2_CID_CHROMA_AGC:
1012                 /* Do not allow chroma AGC to be enabled for SECAM */
1013                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1014                 if (core->tvnorm & V4L2_STD_SECAM && value)
1015                         return -EINVAL;
1016                 break;
1017         default:
1018                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1019                 break;
1020         }
1021         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1022                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1023                                 mask, c->sreg ? " [shadowed]" : "");
1024         if (c->sreg) {
1025                 cx_sandor(c->sreg, c->reg, mask, value);
1026         } else {
1027                 cx_andor(c->reg, mask, value);
1028         }
1029         return 0;
1030 }
1031 EXPORT_SYMBOL(cx88_set_control);
1032
1033 static void init_controls(struct cx88_core *core)
1034 {
1035         struct v4l2_control ctrl;
1036         int i;
1037
1038         for (i = 0; i < CX8800_CTLS; i++) {
1039                 ctrl.id=cx8800_ctls[i].v.id;
1040                 ctrl.value=cx8800_ctls[i].v.default_value;
1041
1042                 cx88_set_control(core, &ctrl);
1043         }
1044 }
1045
1046 /* ------------------------------------------------------------------ */
1047 /* VIDEO IOCTLS                                                       */
1048
1049 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1050                                         struct v4l2_format *f)
1051 {
1052         struct cx8800_fh  *fh   = priv;
1053
1054         f->fmt.pix.width        = fh->width;
1055         f->fmt.pix.height       = fh->height;
1056         f->fmt.pix.field        = fh->vidq.field;
1057         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1058         f->fmt.pix.bytesperline =
1059                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1060         f->fmt.pix.sizeimage =
1061                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1062         return 0;
1063 }
1064
1065 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1066                         struct v4l2_format *f)
1067 {
1068         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1069         struct cx8800_fmt *fmt;
1070         enum v4l2_field   field;
1071         unsigned int      maxw, maxh;
1072
1073         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1074         if (NULL == fmt)
1075                 return -EINVAL;
1076
1077         field = f->fmt.pix.field;
1078         maxw  = norm_maxw(core->tvnorm);
1079         maxh  = norm_maxh(core->tvnorm);
1080
1081         if (V4L2_FIELD_ANY == field) {
1082                 field = (f->fmt.pix.height > maxh/2)
1083                         ? V4L2_FIELD_INTERLACED
1084                         : V4L2_FIELD_BOTTOM;
1085         }
1086
1087         switch (field) {
1088         case V4L2_FIELD_TOP:
1089         case V4L2_FIELD_BOTTOM:
1090                 maxh = maxh / 2;
1091                 break;
1092         case V4L2_FIELD_INTERLACED:
1093                 break;
1094         default:
1095                 return -EINVAL;
1096         }
1097
1098         f->fmt.pix.field = field;
1099         if (f->fmt.pix.height < 32)
1100                 f->fmt.pix.height = 32;
1101         if (f->fmt.pix.height > maxh)
1102                 f->fmt.pix.height = maxh;
1103         if (f->fmt.pix.width < 48)
1104                 f->fmt.pix.width = 48;
1105         if (f->fmt.pix.width > maxw)
1106                 f->fmt.pix.width = maxw;
1107         f->fmt.pix.width &= ~0x03;
1108         f->fmt.pix.bytesperline =
1109                 (f->fmt.pix.width * fmt->depth) >> 3;
1110         f->fmt.pix.sizeimage =
1111                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1112
1113         return 0;
1114 }
1115
1116 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1117                                         struct v4l2_format *f)
1118 {
1119         struct cx8800_fh  *fh   = priv;
1120         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1121
1122         if (0 != err)
1123                 return err;
1124         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1125         fh->width      = f->fmt.pix.width;
1126         fh->height     = f->fmt.pix.height;
1127         fh->vidq.field = f->fmt.pix.field;
1128         return 0;
1129 }
1130
1131 static int vidioc_querycap (struct file *file, void  *priv,
1132                                         struct v4l2_capability *cap)
1133 {
1134         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1135         struct cx88_core  *core = dev->core;
1136
1137         strcpy(cap->driver, "cx8800");
1138         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1139         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1140         cap->version = CX88_VERSION_CODE;
1141         cap->capabilities =
1142                 V4L2_CAP_VIDEO_CAPTURE |
1143                 V4L2_CAP_READWRITE     |
1144                 V4L2_CAP_STREAMING     |
1145                 V4L2_CAP_VBI_CAPTURE;
1146         if (UNSET != core->board.tuner_type)
1147                 cap->capabilities |= V4L2_CAP_TUNER;
1148         return 0;
1149 }
1150
1151 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1152                                         struct v4l2_fmtdesc *f)
1153 {
1154         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1155                 return -EINVAL;
1156
1157         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1158         f->pixelformat = formats[f->index].fourcc;
1159
1160         return 0;
1161 }
1162
1163 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1164 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1165 {
1166         struct cx8800_fh           *fh  = priv;
1167
1168         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1169 }
1170 #endif
1171
1172 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1173 {
1174         struct cx8800_fh  *fh   = priv;
1175         return (videobuf_reqbufs(get_queue(fh), p));
1176 }
1177
1178 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1179 {
1180         struct cx8800_fh  *fh   = priv;
1181         return (videobuf_querybuf(get_queue(fh), p));
1182 }
1183
1184 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1185 {
1186         struct cx8800_fh  *fh   = priv;
1187         return (videobuf_qbuf(get_queue(fh), p));
1188 }
1189
1190 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1191 {
1192         struct cx8800_fh  *fh   = priv;
1193         return (videobuf_dqbuf(get_queue(fh), p,
1194                                 file->f_flags & O_NONBLOCK));
1195 }
1196
1197 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1198 {
1199         struct cx8800_fh  *fh   = priv;
1200         struct cx8800_dev *dev  = fh->dev;
1201
1202         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1203                 return -EINVAL;
1204         if (unlikely(i != fh->type))
1205                 return -EINVAL;
1206
1207         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1208                 return -EBUSY;
1209         return videobuf_streamon(get_queue(fh));
1210 }
1211
1212 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1213 {
1214         struct cx8800_fh  *fh   = priv;
1215         struct cx8800_dev *dev  = fh->dev;
1216         int               err, res;
1217
1218         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1219                 return -EINVAL;
1220         if (i != fh->type)
1221                 return -EINVAL;
1222
1223         res = get_ressource(fh);
1224         err = videobuf_streamoff(get_queue(fh));
1225         if (err < 0)
1226                 return err;
1227         res_free(dev,fh,res);
1228         return 0;
1229 }
1230
1231 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1232 {
1233         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1234
1235         mutex_lock(&core->lock);
1236         cx88_set_tvnorm(core,*tvnorms);
1237         mutex_unlock(&core->lock);
1238
1239         return 0;
1240 }
1241
1242 /* only one input in this sample driver */
1243 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1244 {
1245         static const char *iname[] = {
1246                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1247                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1248                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1249                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1250                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1251                 [ CX88_VMUX_TELEVISION ] = "Television",
1252                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1253                 [ CX88_VMUX_DVB        ] = "DVB",
1254                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1255         };
1256         unsigned int n;
1257
1258         n = i->index;
1259         if (n >= 4)
1260                 return -EINVAL;
1261         if (0 == INPUT(n).type)
1262                 return -EINVAL;
1263         memset(i,0,sizeof(*i));
1264         i->index = n;
1265         i->type  = V4L2_INPUT_TYPE_CAMERA;
1266         strcpy(i->name,iname[INPUT(n).type]);
1267         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1268             (CX88_VMUX_CABLE      == INPUT(n).type))
1269                 i->type = V4L2_INPUT_TYPE_TUNER;
1270                 i->std = CX88_NORMS;
1271         return 0;
1272 }
1273 EXPORT_SYMBOL(cx88_enum_input);
1274
1275 static int vidioc_enum_input (struct file *file, void *priv,
1276                                 struct v4l2_input *i)
1277 {
1278         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1279         return cx88_enum_input (core,i);
1280 }
1281
1282 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1283 {
1284         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1285
1286         *i = core->input;
1287         return 0;
1288 }
1289
1290 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1291 {
1292         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1293
1294         if (i >= 4)
1295                 return -EINVAL;
1296
1297         mutex_lock(&core->lock);
1298         cx88_newstation(core);
1299         cx88_video_mux(core,i);
1300         mutex_unlock(&core->lock);
1301         return 0;
1302 }
1303
1304
1305
1306 static int vidioc_queryctrl (struct file *file, void *priv,
1307                                 struct v4l2_queryctrl *qctrl)
1308 {
1309         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1310
1311         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1312         if (unlikely(qctrl->id == 0))
1313                 return -EINVAL;
1314         return cx8800_ctrl_query(core, qctrl);
1315 }
1316
1317 static int vidioc_g_ctrl (struct file *file, void *priv,
1318                                 struct v4l2_control *ctl)
1319 {
1320         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1321         return
1322                 cx88_get_control(core,ctl);
1323 }
1324
1325 static int vidioc_s_ctrl (struct file *file, void *priv,
1326                                 struct v4l2_control *ctl)
1327 {
1328         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1329         return
1330                 cx88_set_control(core,ctl);
1331 }
1332
1333 static int vidioc_g_tuner (struct file *file, void *priv,
1334                                 struct v4l2_tuner *t)
1335 {
1336         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1337         u32 reg;
1338
1339         if (unlikely(UNSET == core->board.tuner_type))
1340                 return -EINVAL;
1341         if (0 != t->index)
1342                 return -EINVAL;
1343
1344         strcpy(t->name, "Television");
1345         t->type       = V4L2_TUNER_ANALOG_TV;
1346         t->capability = V4L2_TUNER_CAP_NORM;
1347         t->rangehigh  = 0xffffffffUL;
1348
1349         cx88_get_stereo(core ,t);
1350         reg = cx_read(MO_DEVICE_STATUS);
1351         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1352         return 0;
1353 }
1354
1355 static int vidioc_s_tuner (struct file *file, void *priv,
1356                                 struct v4l2_tuner *t)
1357 {
1358         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1359
1360         if (UNSET == core->board.tuner_type)
1361                 return -EINVAL;
1362         if (0 != t->index)
1363                 return -EINVAL;
1364
1365         cx88_set_stereo(core, t->audmode, 1);
1366         return 0;
1367 }
1368
1369 static int vidioc_g_frequency (struct file *file, void *priv,
1370                                 struct v4l2_frequency *f)
1371 {
1372         struct cx8800_fh  *fh   = priv;
1373         struct cx88_core  *core = fh->dev->core;
1374
1375         if (unlikely(UNSET == core->board.tuner_type))
1376                 return -EINVAL;
1377
1378         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1379         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1380         f->frequency = core->freq;
1381
1382         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1383
1384         return 0;
1385 }
1386
1387 int cx88_set_freq (struct cx88_core  *core,
1388                                 struct v4l2_frequency *f)
1389 {
1390         if (unlikely(UNSET == core->board.tuner_type))
1391                 return -EINVAL;
1392         if (unlikely(f->tuner != 0))
1393                 return -EINVAL;
1394
1395         mutex_lock(&core->lock);
1396         core->freq = f->frequency;
1397         cx88_newstation(core);
1398         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1399
1400         /* When changing channels it is required to reset TVAUDIO */
1401         msleep (10);
1402         cx88_set_tvaudio(core);
1403
1404         mutex_unlock(&core->lock);
1405
1406         return 0;
1407 }
1408 EXPORT_SYMBOL(cx88_set_freq);
1409
1410 static int vidioc_s_frequency (struct file *file, void *priv,
1411                                 struct v4l2_frequency *f)
1412 {
1413         struct cx8800_fh  *fh   = priv;
1414         struct cx88_core  *core = fh->dev->core;
1415
1416         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1417                 return -EINVAL;
1418         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1419                 return -EINVAL;
1420
1421         return
1422                 cx88_set_freq (core,f);
1423 }
1424
1425 #ifdef CONFIG_VIDEO_ADV_DEBUG
1426 static int vidioc_g_register (struct file *file, void *fh,
1427                                 struct v4l2_register *reg)
1428 {
1429         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1430
1431         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1432                 return -EINVAL;
1433         /* cx2388x has a 24-bit register space */
1434         reg->val = cx_read(reg->reg&0xffffff);
1435         return 0;
1436 }
1437
1438 static int vidioc_s_register (struct file *file, void *fh,
1439                                 struct v4l2_register *reg)
1440 {
1441         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1442
1443         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1444                 return -EINVAL;
1445         cx_write(reg->reg&0xffffff, reg->val);
1446         return 0;
1447 }
1448 #endif
1449
1450 /* ----------------------------------------------------------- */
1451 /* RADIO ESPECIFIC IOCTLS                                      */
1452 /* ----------------------------------------------------------- */
1453
1454 static int radio_querycap (struct file *file, void  *priv,
1455                                         struct v4l2_capability *cap)
1456 {
1457         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1458         struct cx88_core  *core = dev->core;
1459
1460         strcpy(cap->driver, "cx8800");
1461         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1462         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1463         cap->version = CX88_VERSION_CODE;
1464         cap->capabilities = V4L2_CAP_TUNER;
1465         return 0;
1466 }
1467
1468 static int radio_g_tuner (struct file *file, void *priv,
1469                                 struct v4l2_tuner *t)
1470 {
1471         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1472
1473         if (unlikely(t->index > 0))
1474                 return -EINVAL;
1475
1476         strcpy(t->name, "Radio");
1477         t->type = V4L2_TUNER_RADIO;
1478
1479         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1480         return 0;
1481 }
1482
1483 static int radio_enum_input (struct file *file, void *priv,
1484                                 struct v4l2_input *i)
1485 {
1486         if (i->index != 0)
1487                 return -EINVAL;
1488         strcpy(i->name,"Radio");
1489         i->type = V4L2_INPUT_TYPE_TUNER;
1490
1491         return 0;
1492 }
1493
1494 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1495 {
1496         if (unlikely(a->index))
1497                 return -EINVAL;
1498
1499         memset(a,0,sizeof(*a));
1500         strcpy(a->name,"Radio");
1501         return 0;
1502 }
1503
1504 /* FIXME: Should add a standard for radio */
1505
1506 static int radio_s_tuner (struct file *file, void *priv,
1507                                 struct v4l2_tuner *t)
1508 {
1509         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1510
1511         if (0 != t->index)
1512                 return -EINVAL;
1513
1514         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1515
1516         return 0;
1517 }
1518
1519 static int radio_s_audio (struct file *file, void *fh,
1520                           struct v4l2_audio *a)
1521 {
1522         return 0;
1523 }
1524
1525 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1526 {
1527         return 0;
1528 }
1529
1530 static int radio_queryctrl (struct file *file, void *priv,
1531                             struct v4l2_queryctrl *c)
1532 {
1533         int i;
1534
1535         if (c->id <  V4L2_CID_BASE ||
1536                 c->id >= V4L2_CID_LASTP1)
1537                 return -EINVAL;
1538         if (c->id == V4L2_CID_AUDIO_MUTE) {
1539                 for (i = 0; i < CX8800_CTLS; i++)
1540                         if (cx8800_ctls[i].v.id == c->id)
1541                                 break;
1542                 *c = cx8800_ctls[i].v;
1543         } else
1544                 *c = no_ctl;
1545         return 0;
1546 }
1547
1548 /* ----------------------------------------------------------- */
1549
1550 static void cx8800_vid_timeout(unsigned long data)
1551 {
1552         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1553         struct cx88_core *core = dev->core;
1554         struct cx88_dmaqueue *q = &dev->vidq;
1555         struct cx88_buffer *buf;
1556         unsigned long flags;
1557
1558         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1559
1560         cx_clear(MO_VID_DMACNTRL, 0x11);
1561         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1562
1563         spin_lock_irqsave(&dev->slock,flags);
1564         while (!list_empty(&q->active)) {
1565                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1566                 list_del(&buf->vb.queue);
1567                 buf->vb.state = VIDEOBUF_ERROR;
1568                 wake_up(&buf->vb.done);
1569                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1570                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1571         }
1572         restart_video_queue(dev,q);
1573         spin_unlock_irqrestore(&dev->slock,flags);
1574 }
1575
1576 static char *cx88_vid_irqs[32] = {
1577         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1578         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1579         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1580         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1581         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1582 };
1583
1584 static void cx8800_vid_irq(struct cx8800_dev *dev)
1585 {
1586         struct cx88_core *core = dev->core;
1587         u32 status, mask, count;
1588
1589         status = cx_read(MO_VID_INTSTAT);
1590         mask   = cx_read(MO_VID_INTMSK);
1591         if (0 == (status & mask))
1592                 return;
1593         cx_write(MO_VID_INTSTAT, status);
1594         if (irq_debug  ||  (status & mask & ~0xff))
1595                 cx88_print_irqbits(core->name, "irq vid",
1596                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1597                                    status, mask);
1598
1599         /* risc op code error */
1600         if (status & (1 << 16)) {
1601                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1602                 cx_clear(MO_VID_DMACNTRL, 0x11);
1603                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1604                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1605         }
1606
1607         /* risc1 y */
1608         if (status & 0x01) {
1609                 spin_lock(&dev->slock);
1610                 count = cx_read(MO_VIDY_GPCNT);
1611                 cx88_wakeup(core, &dev->vidq, count);
1612                 spin_unlock(&dev->slock);
1613         }
1614
1615         /* risc1 vbi */
1616         if (status & 0x08) {
1617                 spin_lock(&dev->slock);
1618                 count = cx_read(MO_VBI_GPCNT);
1619                 cx88_wakeup(core, &dev->vbiq, count);
1620                 spin_unlock(&dev->slock);
1621         }
1622
1623         /* risc2 y */
1624         if (status & 0x10) {
1625                 dprintk(2,"stopper video\n");
1626                 spin_lock(&dev->slock);
1627                 restart_video_queue(dev,&dev->vidq);
1628                 spin_unlock(&dev->slock);
1629         }
1630
1631         /* risc2 vbi */
1632         if (status & 0x80) {
1633                 dprintk(2,"stopper vbi\n");
1634                 spin_lock(&dev->slock);
1635                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1636                 spin_unlock(&dev->slock);
1637         }
1638 }
1639
1640 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1641 {
1642         struct cx8800_dev *dev = dev_id;
1643         struct cx88_core *core = dev->core;
1644         u32 status;
1645         int loop, handled = 0;
1646
1647         for (loop = 0; loop < 10; loop++) {
1648                 status = cx_read(MO_PCI_INTSTAT) &
1649                         (core->pci_irqmask | PCI_INT_VIDINT);
1650                 if (0 == status)
1651                         goto out;
1652                 cx_write(MO_PCI_INTSTAT, status);
1653                 handled = 1;
1654
1655                 if (status & core->pci_irqmask)
1656                         cx88_core_irq(core,status);
1657                 if (status & PCI_INT_VIDINT)
1658                         cx8800_vid_irq(dev);
1659         };
1660         if (10 == loop) {
1661                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1662                        core->name);
1663                 cx_write(MO_PCI_INTMSK,0);
1664         }
1665
1666  out:
1667         return IRQ_RETVAL(handled);
1668 }
1669
1670 /* ----------------------------------------------------------- */
1671 /* exported stuff                                              */
1672
1673 static const struct file_operations video_fops =
1674 {
1675         .owner         = THIS_MODULE,
1676         .open          = video_open,
1677         .release       = video_release,
1678         .read          = video_read,
1679         .poll          = video_poll,
1680         .mmap          = video_mmap,
1681         .ioctl         = video_ioctl2,
1682         .compat_ioctl  = v4l_compat_ioctl32,
1683         .llseek        = no_llseek,
1684 };
1685
1686 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1687         .vidioc_querycap      = vidioc_querycap,
1688         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1689         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1690         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1691         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1692         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1693         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1694         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1695         .vidioc_reqbufs       = vidioc_reqbufs,
1696         .vidioc_querybuf      = vidioc_querybuf,
1697         .vidioc_qbuf          = vidioc_qbuf,
1698         .vidioc_dqbuf         = vidioc_dqbuf,
1699         .vidioc_s_std         = vidioc_s_std,
1700         .vidioc_enum_input    = vidioc_enum_input,
1701         .vidioc_g_input       = vidioc_g_input,
1702         .vidioc_s_input       = vidioc_s_input,
1703         .vidioc_queryctrl     = vidioc_queryctrl,
1704         .vidioc_g_ctrl        = vidioc_g_ctrl,
1705         .vidioc_s_ctrl        = vidioc_s_ctrl,
1706         .vidioc_streamon      = vidioc_streamon,
1707         .vidioc_streamoff     = vidioc_streamoff,
1708 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1709         .vidiocgmbuf          = vidiocgmbuf,
1710 #endif
1711         .vidioc_g_tuner       = vidioc_g_tuner,
1712         .vidioc_s_tuner       = vidioc_s_tuner,
1713         .vidioc_g_frequency   = vidioc_g_frequency,
1714         .vidioc_s_frequency   = vidioc_s_frequency,
1715 #ifdef CONFIG_VIDEO_ADV_DEBUG
1716         .vidioc_g_register    = vidioc_g_register,
1717         .vidioc_s_register    = vidioc_s_register,
1718 #endif
1719 };
1720
1721 static struct video_device cx8800_vbi_template;
1722
1723 static struct video_device cx8800_video_template = {
1724         .name                 = "cx8800-video",
1725         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1726         .fops                 = &video_fops,
1727         .minor                = -1,
1728         .ioctl_ops            = &video_ioctl_ops,
1729         .tvnorms              = CX88_NORMS,
1730         .current_norm         = V4L2_STD_NTSC_M,
1731 };
1732
1733 static const struct file_operations radio_fops =
1734 {
1735         .owner         = THIS_MODULE,
1736         .open          = video_open,
1737         .release       = video_release,
1738         .ioctl         = video_ioctl2,
1739         .compat_ioctl  = v4l_compat_ioctl32,
1740         .llseek        = no_llseek,
1741 };
1742
1743 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1744         .vidioc_querycap      = radio_querycap,
1745         .vidioc_g_tuner       = radio_g_tuner,
1746         .vidioc_enum_input    = radio_enum_input,
1747         .vidioc_g_audio       = radio_g_audio,
1748         .vidioc_s_tuner       = radio_s_tuner,
1749         .vidioc_s_audio       = radio_s_audio,
1750         .vidioc_s_input       = radio_s_input,
1751         .vidioc_queryctrl     = radio_queryctrl,
1752         .vidioc_g_ctrl        = vidioc_g_ctrl,
1753         .vidioc_s_ctrl        = vidioc_s_ctrl,
1754         .vidioc_g_frequency   = vidioc_g_frequency,
1755         .vidioc_s_frequency   = vidioc_s_frequency,
1756 #ifdef CONFIG_VIDEO_ADV_DEBUG
1757         .vidioc_g_register    = vidioc_g_register,
1758         .vidioc_s_register    = vidioc_s_register,
1759 #endif
1760 };
1761
1762 static struct video_device cx8800_radio_template = {
1763         .name                 = "cx8800-radio",
1764         .type                 = VID_TYPE_TUNER,
1765         .fops                 = &radio_fops,
1766         .minor                = -1,
1767         .ioctl_ops            = &radio_ioctl_ops,
1768 };
1769
1770 /* ----------------------------------------------------------- */
1771
1772 static void cx8800_unregister_video(struct cx8800_dev *dev)
1773 {
1774         if (dev->radio_dev) {
1775                 if (-1 != dev->radio_dev->minor)
1776                         video_unregister_device(dev->radio_dev);
1777                 else
1778                         video_device_release(dev->radio_dev);
1779                 dev->radio_dev = NULL;
1780         }
1781         if (dev->vbi_dev) {
1782                 if (-1 != dev->vbi_dev->minor)
1783                         video_unregister_device(dev->vbi_dev);
1784                 else
1785                         video_device_release(dev->vbi_dev);
1786                 dev->vbi_dev = NULL;
1787         }
1788         if (dev->video_dev) {
1789                 if (-1 != dev->video_dev->minor)
1790                         video_unregister_device(dev->video_dev);
1791                 else
1792                         video_device_release(dev->video_dev);
1793                 dev->video_dev = NULL;
1794         }
1795 }
1796
1797 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1798                                     const struct pci_device_id *pci_id)
1799 {
1800         struct cx8800_dev *dev;
1801         struct cx88_core *core;
1802
1803         int err;
1804
1805         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1806         if (NULL == dev)
1807                 return -ENOMEM;
1808
1809         /* pci init */
1810         dev->pci = pci_dev;
1811         if (pci_enable_device(pci_dev)) {
1812                 err = -EIO;
1813                 goto fail_free;
1814         }
1815         core = cx88_core_get(dev->pci);
1816         if (NULL == core) {
1817                 err = -EINVAL;
1818                 goto fail_free;
1819         }
1820         dev->core = core;
1821
1822         /* print pci info */
1823         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1824         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1825         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1826                "latency: %d, mmio: 0x%llx\n", core->name,
1827                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1828                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1829
1830         pci_set_master(pci_dev);
1831         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1832                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1833                 err = -EIO;
1834                 goto fail_core;
1835         }
1836
1837         /* Initialize VBI template */
1838         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1839                 sizeof(cx8800_vbi_template) );
1840         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1841         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1842
1843         /* initialize driver struct */
1844         spin_lock_init(&dev->slock);
1845         core->tvnorm = cx8800_video_template.current_norm;
1846
1847         /* init video dma queues */
1848         INIT_LIST_HEAD(&dev->vidq.active);
1849         INIT_LIST_HEAD(&dev->vidq.queued);
1850         dev->vidq.timeout.function = cx8800_vid_timeout;
1851         dev->vidq.timeout.data     = (unsigned long)dev;
1852         init_timer(&dev->vidq.timeout);
1853         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1854                           MO_VID_DMACNTRL,0x11,0x00);
1855
1856         /* init vbi dma queues */
1857         INIT_LIST_HEAD(&dev->vbiq.active);
1858         INIT_LIST_HEAD(&dev->vbiq.queued);
1859         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1860         dev->vbiq.timeout.data     = (unsigned long)dev;
1861         init_timer(&dev->vbiq.timeout);
1862         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1863                           MO_VID_DMACNTRL,0x88,0x00);
1864
1865         /* get irq */
1866         err = request_irq(pci_dev->irq, cx8800_irq,
1867                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1868         if (err < 0) {
1869                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1870                        core->name,pci_dev->irq);
1871                 goto fail_core;
1872         }
1873         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1874
1875         /* load and configure helper modules */
1876
1877         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1878                 request_module("wm8775");
1879
1880         switch (core->boardnr) {
1881         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1882         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1883                 request_module("rtc-isl1208");
1884                 /* break intentionally omitted */
1885         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1886                 request_module("ir-kbd-i2c");
1887         }
1888
1889         /* register v4l devices */
1890         dev->video_dev = cx88_vdev_init(core,dev->pci,
1891                                         &cx8800_video_template,"video");
1892         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1893                                     video_nr[core->nr]);
1894         if (err < 0) {
1895                 printk(KERN_ERR "%s/0: can't register video device\n",
1896                        core->name);
1897                 goto fail_unreg;
1898         }
1899         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1900                core->name,dev->video_dev->minor & 0x1f);
1901
1902         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1903         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1904                                     vbi_nr[core->nr]);
1905         if (err < 0) {
1906                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1907                        core->name);
1908                 goto fail_unreg;
1909         }
1910         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1911                core->name,dev->vbi_dev->minor & 0x1f);
1912
1913         if (core->board.radio.type == CX88_RADIO) {
1914                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1915                                                 &cx8800_radio_template,"radio");
1916                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1917                                             radio_nr[core->nr]);
1918                 if (err < 0) {
1919                         printk(KERN_ERR "%s/0: can't register radio device\n",
1920                                core->name);
1921                         goto fail_unreg;
1922                 }
1923                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1924                        core->name,dev->radio_dev->minor & 0x1f);
1925         }
1926
1927         /* everything worked */
1928         list_add_tail(&dev->devlist,&cx8800_devlist);
1929         pci_set_drvdata(pci_dev,dev);
1930
1931         /* initial device configuration */
1932         mutex_lock(&core->lock);
1933         cx88_set_tvnorm(core,core->tvnorm);
1934         init_controls(core);
1935         cx88_video_mux(core,0);
1936         mutex_unlock(&core->lock);
1937
1938         /* start tvaudio thread */
1939         if (core->board.tuner_type != TUNER_ABSENT) {
1940                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1941                 if (IS_ERR(core->kthread)) {
1942                         err = PTR_ERR(core->kthread);
1943                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1944                                core->name, err);
1945                 }
1946         }
1947         return 0;
1948
1949 fail_unreg:
1950         cx8800_unregister_video(dev);
1951         free_irq(pci_dev->irq, dev);
1952 fail_core:
1953         cx88_core_put(core,dev->pci);
1954 fail_free:
1955         kfree(dev);
1956         return err;
1957 }
1958
1959 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1960 {
1961         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1962         struct cx88_core *core = dev->core;
1963
1964         /* stop thread */
1965         if (core->kthread) {
1966                 kthread_stop(core->kthread);
1967                 core->kthread = NULL;
1968         }
1969
1970         if (core->ir)
1971                 cx88_ir_stop(core, core->ir);
1972
1973         cx88_shutdown(core); /* FIXME */
1974         pci_disable_device(pci_dev);
1975
1976         /* unregister stuff */
1977
1978         free_irq(pci_dev->irq, dev);
1979         cx8800_unregister_video(dev);
1980         pci_set_drvdata(pci_dev, NULL);
1981
1982         /* free memory */
1983         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1984         list_del(&dev->devlist);
1985         cx88_core_put(core,dev->pci);
1986         kfree(dev);
1987 }
1988
1989 #ifdef CONFIG_PM
1990 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1991 {
1992         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1993         struct cx88_core *core = dev->core;
1994
1995         /* stop video+vbi capture */
1996         spin_lock(&dev->slock);
1997         if (!list_empty(&dev->vidq.active)) {
1998                 printk("%s/0: suspend video\n", core->name);
1999                 stop_video_dma(dev);
2000                 del_timer(&dev->vidq.timeout);
2001         }
2002         if (!list_empty(&dev->vbiq.active)) {
2003                 printk("%s/0: suspend vbi\n", core->name);
2004                 cx8800_stop_vbi_dma(dev);
2005                 del_timer(&dev->vbiq.timeout);
2006         }
2007         spin_unlock(&dev->slock);
2008
2009         if (core->ir)
2010                 cx88_ir_stop(core, core->ir);
2011         /* FIXME -- shutdown device */
2012         cx88_shutdown(core);
2013
2014         pci_save_state(pci_dev);
2015         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2016                 pci_disable_device(pci_dev);
2017                 dev->state.disabled = 1;
2018         }
2019         return 0;
2020 }
2021
2022 static int cx8800_resume(struct pci_dev *pci_dev)
2023 {
2024         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2025         struct cx88_core *core = dev->core;
2026         int err;
2027
2028         if (dev->state.disabled) {
2029                 err=pci_enable_device(pci_dev);
2030                 if (err) {
2031                         printk(KERN_ERR "%s/0: can't enable device\n",
2032                                core->name);
2033                         return err;
2034                 }
2035
2036                 dev->state.disabled = 0;
2037         }
2038         err= pci_set_power_state(pci_dev, PCI_D0);
2039         if (err) {
2040                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2041                 pci_disable_device(pci_dev);
2042                 dev->state.disabled = 1;
2043
2044                 return err;
2045         }
2046         pci_restore_state(pci_dev);
2047
2048         /* FIXME: re-initialize hardware */
2049         cx88_reset(core);
2050         if (core->ir)
2051                 cx88_ir_start(core, core->ir);
2052
2053         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2054
2055         /* restart video+vbi capture */
2056         spin_lock(&dev->slock);
2057         if (!list_empty(&dev->vidq.active)) {
2058                 printk("%s/0: resume video\n", core->name);
2059                 restart_video_queue(dev,&dev->vidq);
2060         }
2061         if (!list_empty(&dev->vbiq.active)) {
2062                 printk("%s/0: resume vbi\n", core->name);
2063                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2064         }
2065         spin_unlock(&dev->slock);
2066
2067         return 0;
2068 }
2069 #endif
2070
2071 /* ----------------------------------------------------------- */
2072
2073 static struct pci_device_id cx8800_pci_tbl[] = {
2074         {
2075                 .vendor       = 0x14f1,
2076                 .device       = 0x8800,
2077                 .subvendor    = PCI_ANY_ID,
2078                 .subdevice    = PCI_ANY_ID,
2079         },{
2080                 /* --- end of list --- */
2081         }
2082 };
2083 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2084
2085 static struct pci_driver cx8800_pci_driver = {
2086         .name     = "cx8800",
2087         .id_table = cx8800_pci_tbl,
2088         .probe    = cx8800_initdev,
2089         .remove   = __devexit_p(cx8800_finidev),
2090 #ifdef CONFIG_PM
2091         .suspend  = cx8800_suspend,
2092         .resume   = cx8800_resume,
2093 #endif
2094 };
2095
2096 static int cx8800_init(void)
2097 {
2098         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2099                (CX88_VERSION_CODE >> 16) & 0xff,
2100                (CX88_VERSION_CODE >>  8) & 0xff,
2101                CX88_VERSION_CODE & 0xff);
2102 #ifdef SNAPSHOT
2103         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2104                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2105 #endif
2106         return pci_register_driver(&cx8800_pci_driver);
2107 }
2108
2109 static void cx8800_fini(void)
2110 {
2111         pci_unregister_driver(&cx8800_pci_driver);
2112 }
2113
2114 module_init(cx8800_init);
2115 module_exit(cx8800_fini);
2116
2117 /* ----------------------------------------------------------- */
2118 /*
2119  * Local variables:
2120  * c-basic-offset: 8
2121  * End:
2122  * 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
2123  */