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/smp_lock.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/dma-mapping.h>
  37 #include <linux/delay.h>
  38 #include <linux/kthread.h>
  39 #include <asm/div64.h>
  40
  41 #include "cx88.h"
  42 #include <media/v4l2-common.h>
  43 #include <media/v4l2-ioctl.h>
  44
  45 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  46 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  47 MODULE_LICENSE("GPL");
  48
  49 /* ------------------------------------------------------------------ */
  50
  51 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54
  55 module_param_array(video_nr, int, NULL, 0444);
  56 module_param_array(vbi_nr,   int, NULL, 0444);
  57 module_param_array(radio_nr, int, NULL, 0444);
  58
  59 MODULE_PARM_DESC(video_nr,"video device numbers");
  60 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  61 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  62
  63 static unsigned int video_debug;
  64 module_param(video_debug,int,0644);
  65 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  66
  67 static unsigned int irq_debug;
  68 module_param(irq_debug,int,0644);
  69 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  70
  71 static unsigned int vid_limit = 16;
  72 module_param(vid_limit,int,0644);
  73 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  74
  75 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  76         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  77
  78 /* ------------------------------------------------------------------- */
  79 /* static data                                                         */
  80
  81 static struct cx8800_fmt formats[] = {
  82         {
  83                 .name     = "8 bpp, gray",
  84                 .fourcc   = V4L2_PIX_FMT_GREY,
  85                 .cxformat = ColorFormatY8,
  86                 .depth    = 8,
  87                 .flags    = FORMAT_FLAGS_PACKED,
  88         },{
  89                 .name     = "15 bpp RGB, le",
  90                 .fourcc   = V4L2_PIX_FMT_RGB555,
  91                 .cxformat = ColorFormatRGB15,
  92                 .depth    = 16,
  93                 .flags    = FORMAT_FLAGS_PACKED,
  94         },{
  95                 .name     = "15 bpp RGB, be",
  96                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  97                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
  98                 .depth    = 16,
  99                 .flags    = FORMAT_FLAGS_PACKED,
 100         },{
 101                 .name     = "16 bpp RGB, le",
 102                 .fourcc   = V4L2_PIX_FMT_RGB565,
 103                 .cxformat = ColorFormatRGB16,
 104                 .depth    = 16,
 105                 .flags    = FORMAT_FLAGS_PACKED,
 106         },{
 107                 .name     = "16 bpp RGB, be",
 108                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 109                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 110                 .depth    = 16,
 111                 .flags    = FORMAT_FLAGS_PACKED,
 112         },{
 113                 .name     = "24 bpp RGB, le",
 114                 .fourcc   = V4L2_PIX_FMT_BGR24,
 115                 .cxformat = ColorFormatRGB24,
 116                 .depth    = 24,
 117                 .flags    = FORMAT_FLAGS_PACKED,
 118         },{
 119                 .name     = "32 bpp RGB, le",
 120                 .fourcc   = V4L2_PIX_FMT_BGR32,
 121                 .cxformat = ColorFormatRGB32,
 122                 .depth    = 32,
 123                 .flags    = FORMAT_FLAGS_PACKED,
 124         },{
 125                 .name     = "32 bpp RGB, be",
 126                 .fourcc   = V4L2_PIX_FMT_RGB32,
 127                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 128                 .depth    = 32,
 129                 .flags    = FORMAT_FLAGS_PACKED,
 130         },{
 131                 .name     = "4:2:2, packed, YUYV",
 132                 .fourcc   = V4L2_PIX_FMT_YUYV,
 133                 .cxformat = ColorFormatYUY2,
 134                 .depth    = 16,
 135                 .flags    = FORMAT_FLAGS_PACKED,
 136         },{
 137                 .name     = "4:2:2, packed, UYVY",
 138                 .fourcc   = V4L2_PIX_FMT_UYVY,
 139                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 140                 .depth    = 16,
 141                 .flags    = FORMAT_FLAGS_PACKED,
 142         },
 143 };
 144
 145 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 146 {
 147         unsigned int i;
 148
 149         for (i = 0; i < ARRAY_SIZE(formats); i++)
 150                 if (formats[i].fourcc == fourcc)
 151                         return formats+i;
 152         return NULL;
 153 }
 154
 155 /* ------------------------------------------------------------------- */
 156
 157 static const struct v4l2_queryctrl no_ctl = {
 158         .name  = "42",
 159         .flags = V4L2_CTRL_FLAG_DISABLED,
 160 };
 161
 162 static struct cx88_ctrl cx8800_ctls[] = {
 163         /* --- video --- */
 164         {
 165                 .v = {
 166                         .id            = V4L2_CID_BRIGHTNESS,
 167                         .name          = "Brightness",
 168                         .minimum       = 0x00,
 169                         .maximum       = 0xff,
 170                         .step          = 1,
 171                         .default_value = 0x7f,
 172                         .type          = V4L2_CTRL_TYPE_INTEGER,
 173                 },
 174                 .off                   = 128,
 175                 .reg                   = MO_CONTR_BRIGHT,
 176                 .mask                  = 0x00ff,
 177                 .shift                 = 0,
 178         },{
 179                 .v = {
 180                         .id            = V4L2_CID_CONTRAST,
 181                         .name          = "Contrast",
 182                         .minimum       = 0,
 183                         .maximum       = 0xff,
 184                         .step          = 1,
 185                         .default_value = 0x3f,
 186                         .type          = V4L2_CTRL_TYPE_INTEGER,
 187                 },
 188                 .off                   = 0,
 189                 .reg                   = MO_CONTR_BRIGHT,
 190                 .mask                  = 0xff00,
 191                 .shift                 = 8,
 192         },{
 193                 .v = {
 194                         .id            = V4L2_CID_HUE,
 195                         .name          = "Hue",
 196                         .minimum       = 0,
 197                         .maximum       = 0xff,
 198                         .step          = 1,
 199                         .default_value = 0x7f,
 200                         .type          = V4L2_CTRL_TYPE_INTEGER,
 201                 },
 202                 .off                   = 128,
 203                 .reg                   = MO_HUE,
 204                 .mask                  = 0x00ff,
 205                 .shift                 = 0,
 206         },{
 207                 /* strictly, this only describes only U saturation.
 208                  * V saturation is handled specially through code.
 209                  */
 210                 .v = {
 211                         .id            = V4L2_CID_SATURATION,
 212                         .name          = "Saturation",
 213                         .minimum       = 0,
 214                         .maximum       = 0xff,
 215                         .step          = 1,
 216                         .default_value = 0x7f,
 217                         .type          = V4L2_CTRL_TYPE_INTEGER,
 218                 },
 219                 .off                   = 0,
 220                 .reg                   = MO_UV_SATURATION,
 221                 .mask                  = 0x00ff,
 222                 .shift                 = 0,
 223         },{
 224                 .v = {
 225                         .id            = V4L2_CID_CHROMA_AGC,
 226                         .name          = "Chroma AGC",
 227                         .minimum       = 0,
 228                         .maximum       = 1,
 229                         .default_value = 0x1,
 230                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 231                 },
 232                 .reg                   = MO_INPUT_FORMAT,
 233                 .mask                  = 1 << 10,
 234                 .shift                 = 10,
 235         }, {
 236                 .v = {
 237                         .id            = V4L2_CID_COLOR_KILLER,
 238                         .name          = "Color killer",
 239                         .minimum       = 0,
 240                         .maximum       = 1,
 241                         .default_value = 0x1,
 242                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 243                 },
 244                 .reg                   = MO_INPUT_FORMAT,
 245                 .mask                  = 1 << 9,
 246                 .shift                 = 9,
 247         }, {
 248         /* --- audio --- */
 249                 .v = {
 250                         .id            = V4L2_CID_AUDIO_MUTE,
 251                         .name          = "Mute",
 252                         .minimum       = 0,
 253                         .maximum       = 1,
 254                         .default_value = 1,
 255                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 256                 },
 257                 .reg                   = AUD_VOL_CTL,
 258                 .sreg                  = SHADOW_AUD_VOL_CTL,
 259                 .mask                  = (1 << 6),
 260                 .shift                 = 6,
 261         },{
 262                 .v = {
 263                         .id            = V4L2_CID_AUDIO_VOLUME,
 264                         .name          = "Volume",
 265                         .minimum       = 0,
 266                         .maximum       = 0x3f,
 267                         .step          = 1,
 268                         .default_value = 0x3f,
 269                         .type          = V4L2_CTRL_TYPE_INTEGER,
 270                 },
 271                 .reg                   = AUD_VOL_CTL,
 272                 .sreg                  = SHADOW_AUD_VOL_CTL,
 273                 .mask                  = 0x3f,
 274                 .shift                 = 0,
 275         },{
 276                 .v = {
 277                         .id            = V4L2_CID_AUDIO_BALANCE,
 278                         .name          = "Balance",
 279                         .minimum       = 0,
 280                         .maximum       = 0x7f,
 281                         .step          = 1,
 282                         .default_value = 0x40,
 283                         .type          = V4L2_CTRL_TYPE_INTEGER,
 284                 },
 285                 .reg                   = AUD_BAL_CTL,
 286                 .sreg                  = SHADOW_AUD_BAL_CTL,
 287                 .mask                  = 0x7f,
 288                 .shift                 = 0,
 289         }
 290 };
 291 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 292
 293 /* Must be sorted from low to high control ID! */
 294 const u32 cx88_user_ctrls[] = {
 295         V4L2_CID_USER_CLASS,
 296         V4L2_CID_BRIGHTNESS,
 297         V4L2_CID_CONTRAST,
 298         V4L2_CID_SATURATION,
 299         V4L2_CID_HUE,
 300         V4L2_CID_AUDIO_VOLUME,
 301         V4L2_CID_AUDIO_BALANCE,
 302         V4L2_CID_AUDIO_MUTE,
 303         V4L2_CID_CHROMA_AGC,
 304         V4L2_CID_COLOR_KILLER,
 305         0
 306 };
 307 EXPORT_SYMBOL(cx88_user_ctrls);
 308
 309 static const u32 *ctrl_classes[] = {
 310         cx88_user_ctrls,
 311         NULL
 312 };
 313
 314 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 315 {
 316         int i;
 317
 318         if (qctrl->id < V4L2_CID_BASE ||
 319             qctrl->id >= V4L2_CID_LASTP1)
 320                 return -EINVAL;
 321         for (i = 0; i < CX8800_CTLS; i++)
 322                 if (cx8800_ctls[i].v.id == qctrl->id)
 323                         break;
 324         if (i == CX8800_CTLS) {
 325                 *qctrl = no_ctl;
 326                 return 0;
 327         }
 328         *qctrl = cx8800_ctls[i].v;
 329         /* Report chroma AGC as inactive when SECAM is selected */
 330         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 331             core->tvnorm & V4L2_STD_SECAM)
 332                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 333
 334         return 0;
 335 }
 336 EXPORT_SYMBOL(cx8800_ctrl_query);
 337
 338 /* ------------------------------------------------------------------- */
 339 /* resource management                                                 */
 340
 341 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 342 {
 343         struct cx88_core *core = dev->core;
 344         if (fh->resources & bit)
 345                 /* have it already allocated */
 346                 return 1;
 347
 348         /* is it free? */
 349         mutex_lock(&core->lock);
 350         if (dev->resources & bit) {
 351                 /* no, someone else uses it */
 352                 mutex_unlock(&core->lock);
 353                 return 0;
 354         }
 355         /* it's free, grab it */
 356         fh->resources  |= bit;
 357         dev->resources |= bit;
 358         dprintk(1,"res: get %d\n",bit);
 359         mutex_unlock(&core->lock);
 360         return 1;
 361 }
 362
 363 static
 364 int res_check(struct cx8800_fh *fh, unsigned int bit)
 365 {
 366         return (fh->resources & bit);
 367 }
 368
 369 static
 370 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 371 {
 372         return (dev->resources & bit);
 373 }
 374
 375 static
 376 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 377 {
 378         struct cx88_core *core = dev->core;
 379         BUG_ON((fh->resources & bits) != bits);
 380
 381         mutex_lock(&core->lock);
 382         fh->resources  &= ~bits;
 383         dev->resources &= ~bits;
 384         dprintk(1,"res: put %d\n",bits);
 385         mutex_unlock(&core->lock);
 386 }
 387
 388 /* ------------------------------------------------------------------ */
 389
 390 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 391 {
 392         /* struct cx88_core *core = dev->core; */
 393
 394         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 395                 input, INPUT(input).vmux,
 396                 INPUT(input).gpio0,INPUT(input).gpio1,
 397                 INPUT(input).gpio2,INPUT(input).gpio3);
 398         core->input = input;
 399         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 400         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 401         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 402         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 403         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 404
 405         switch (INPUT(input).type) {
 406         case CX88_VMUX_SVIDEO:
 407                 cx_set(MO_AFECFG_IO,    0x00000001);
 408                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 409                 cx_set(MO_FILTER_EVEN,  0x00002020);
 410                 cx_set(MO_FILTER_ODD,   0x00002020);
 411                 break;
 412         default:
 413                 cx_clear(MO_AFECFG_IO,    0x00000001);
 414                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 415                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 416                 cx_clear(MO_FILTER_ODD,   0x00002020);
 417                 break;
 418         }
 419
 420         /* if there are audioroutes defined, we have an external
 421            ADC to deal with audio */
 422         if (INPUT(input).audioroute) {
 423                 /* The wm8775 module has the "2" route hardwired into
 424                    the initialization. Some boards may use different
 425                    routes for different inputs. HVR-1300 surely does */
 426                 if (core->board.audio_chip &&
 427                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 428                         call_all(core, audio, s_routing,
 429                                         INPUT(input).audioroute, 0, 0);
 430                 }
 431                 /* cx2388's C-ADC is connected to the tuner only.
 432                    When used with S-Video, that ADC is busy dealing with
 433                    chroma, so an external must be used for baseband audio */
 434                 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
 435                         /* "I2S ADC mode" */
 436                         core->tvaudio = WW_I2SADC;
 437                         cx88_set_tvaudio(core);
 438                 } else {
 439                         /* Normal mode */
 440                         cx_write(AUD_I2SCNTL, 0x0);
 441                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 442                 }
 443         }
 444
 445         return 0;
 446 }
 447 EXPORT_SYMBOL(cx88_video_mux);
 448
 449 /* ------------------------------------------------------------------ */
 450
 451 static int start_video_dma(struct cx8800_dev    *dev,
 452                            struct cx88_dmaqueue *q,
 453                            struct cx88_buffer   *buf)
 454 {
 455         struct cx88_core *core = dev->core;
 456
 457         /* setup fifo + format */
 458         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 459                                 buf->bpl, buf->risc.dma);
 460         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 461         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 462
 463         /* reset counter */
 464         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 465         q->count = 1;
 466
 467         /* enable irqs */
 468         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 469
 470         /* Enables corresponding bits at PCI_INT_STAT:
 471                 bits 0 to 4: video, audio, transport stream, VIP, Host
 472                 bit 7: timer
 473                 bits 8 and 9: DMA complete for: SRC, DST
 474                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 475                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 476          */
 477         cx_set(MO_VID_INTMSK, 0x0f0011);
 478
 479         /* enable capture */
 480         cx_set(VID_CAPTURE_CONTROL,0x06);
 481
 482         /* start dma */
 483         cx_set(MO_DEV_CNTRL2, (1<<5));
 484         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 485
 486         return 0;
 487 }
 488
 489 #ifdef CONFIG_PM
 490 static int stop_video_dma(struct cx8800_dev    *dev)
 491 {
 492         struct cx88_core *core = dev->core;
 493
 494         /* stop dma */
 495         cx_clear(MO_VID_DMACNTRL, 0x11);
 496
 497         /* disable capture */
 498         cx_clear(VID_CAPTURE_CONTROL,0x06);
 499
 500         /* disable irqs */
 501         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 502         cx_clear(MO_VID_INTMSK, 0x0f0011);
 503         return 0;
 504 }
 505 #endif
 506
 507 static int restart_video_queue(struct cx8800_dev    *dev,
 508                                struct cx88_dmaqueue *q)
 509 {
 510         struct cx88_core *core = dev->core;
 511         struct cx88_buffer *buf, *prev;
 512
 513         if (!list_empty(&q->active)) {
 514                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 515                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 516                         buf, buf->vb.i);
 517                 start_video_dma(dev, q, buf);
 518                 list_for_each_entry(buf, &q->active, vb.queue)
 519                         buf->count = q->count++;
 520                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 521                 return 0;
 522         }
 523
 524         prev = NULL;
 525         for (;;) {
 526                 if (list_empty(&q->queued))
 527                         return 0;
 528                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 529                 if (NULL == prev) {
 530                         list_move_tail(&buf->vb.queue, &q->active);
 531                         start_video_dma(dev, q, buf);
 532                         buf->vb.state = VIDEOBUF_ACTIVE;
 533                         buf->count    = q->count++;
 534                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 535                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 536                                 buf,buf->vb.i);
 537
 538                 } else if (prev->vb.width  == buf->vb.width  &&
 539                            prev->vb.height == buf->vb.height &&
 540                            prev->fmt       == buf->fmt) {
 541                         list_move_tail(&buf->vb.queue, &q->active);
 542                         buf->vb.state = VIDEOBUF_ACTIVE;
 543                         buf->count    = q->count++;
 544                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 545                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 546                                 buf,buf->vb.i);
 547                 } else {
 548                         return 0;
 549                 }
 550                 prev = buf;
 551         }
 552 }
 553
 554 /* ------------------------------------------------------------------ */
 555
 556 static int
 557 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 558 {
 559         struct cx8800_fh *fh = q->priv_data;
 560
 561         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 562         if (0 == *count)
 563                 *count = 32;
 564         while (*size * *count > vid_limit * 1024 * 1024)
 565                 (*count)--;
 566         return 0;
 567 }
 568
 569 static int
 570 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 571                enum v4l2_field field)
 572 {
 573         struct cx8800_fh   *fh  = q->priv_data;
 574         struct cx8800_dev  *dev = fh->dev;
 575         struct cx88_core *core = dev->core;
 576         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 577         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 578         int rc, init_buffer = 0;
 579
 580         BUG_ON(NULL == fh->fmt);
 581         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 582             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 583                 return -EINVAL;
 584         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 585         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 586                 return -EINVAL;
 587
 588         if (buf->fmt       != fh->fmt    ||
 589             buf->vb.width  != fh->width  ||
 590             buf->vb.height != fh->height ||
 591             buf->vb.field  != field) {
 592                 buf->fmt       = fh->fmt;
 593                 buf->vb.width  = fh->width;
 594                 buf->vb.height = fh->height;
 595                 buf->vb.field  = field;
 596                 init_buffer = 1;
 597         }
 598
 599         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 600                 init_buffer = 1;
 601                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 602                         goto fail;
 603         }
 604
 605         if (init_buffer) {
 606                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 607                 switch (buf->vb.field) {
 608                 case V4L2_FIELD_TOP:
 609                         cx88_risc_buffer(dev->pci, &buf->risc,
 610                                          dma->sglist, 0, UNSET,
 611                                          buf->bpl, 0, buf->vb.height);
 612                         break;
 613                 case V4L2_FIELD_BOTTOM:
 614                         cx88_risc_buffer(dev->pci, &buf->risc,
 615                                          dma->sglist, UNSET, 0,
 616                                          buf->bpl, 0, buf->vb.height);
 617                         break;
 618                 case V4L2_FIELD_INTERLACED:
 619                         cx88_risc_buffer(dev->pci, &buf->risc,
 620                                          dma->sglist, 0, buf->bpl,
 621                                          buf->bpl, buf->bpl,
 622                                          buf->vb.height >> 1);
 623                         break;
 624                 case V4L2_FIELD_SEQ_TB:
 625                         cx88_risc_buffer(dev->pci, &buf->risc,
 626                                          dma->sglist,
 627                                          0, buf->bpl * (buf->vb.height >> 1),
 628                                          buf->bpl, 0,
 629                                          buf->vb.height >> 1);
 630                         break;
 631                 case V4L2_FIELD_SEQ_BT:
 632                         cx88_risc_buffer(dev->pci, &buf->risc,
 633                                          dma->sglist,
 634                                          buf->bpl * (buf->vb.height >> 1), 0,
 635                                          buf->bpl, 0,
 636                                          buf->vb.height >> 1);
 637                         break;
 638                 default:
 639                         BUG();
 640                 }
 641         }
 642         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 643                 buf, buf->vb.i,
 644                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 645                 (unsigned long)buf->risc.dma);
 646
 647         buf->vb.state = VIDEOBUF_PREPARED;
 648         return 0;
 649
 650  fail:
 651         cx88_free_buffer(q,buf);
 652         return rc;
 653 }
 654
 655 static void
 656 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 657 {
 658         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 659         struct cx88_buffer    *prev;
 660         struct cx8800_fh      *fh   = vq->priv_data;
 661         struct cx8800_dev     *dev  = fh->dev;
 662         struct cx88_core      *core = dev->core;
 663         struct cx88_dmaqueue  *q    = &dev->vidq;
 664
 665         /* add jump to stopper */
 666         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 667         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 668
 669         if (!list_empty(&q->queued)) {
 670                 list_add_tail(&buf->vb.queue,&q->queued);
 671                 buf->vb.state = VIDEOBUF_QUEUED;
 672                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 673                         buf, buf->vb.i);
 674
 675         } else if (list_empty(&q->active)) {
 676                 list_add_tail(&buf->vb.queue,&q->active);
 677                 start_video_dma(dev, q, buf);
 678                 buf->vb.state = VIDEOBUF_ACTIVE;
 679                 buf->count    = q->count++;
 680                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 681                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 682                         buf, buf->vb.i);
 683
 684         } else {
 685                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 686                 if (prev->vb.width  == buf->vb.width  &&
 687                     prev->vb.height == buf->vb.height &&
 688                     prev->fmt       == buf->fmt) {
 689                         list_add_tail(&buf->vb.queue,&q->active);
 690                         buf->vb.state = VIDEOBUF_ACTIVE;
 691                         buf->count    = q->count++;
 692                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 693                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 694                                 buf, buf->vb.i);
 695
 696                 } else {
 697                         list_add_tail(&buf->vb.queue,&q->queued);
 698                         buf->vb.state = VIDEOBUF_QUEUED;
 699                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 700                                 buf, buf->vb.i);
 701                 }
 702         }
 703 }
 704
 705 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 706 {
 707         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 708
 709         cx88_free_buffer(q,buf);
 710 }
 711
 712 static struct videobuf_queue_ops cx8800_video_qops = {
 713         .buf_setup    = buffer_setup,
 714         .buf_prepare  = buffer_prepare,
 715         .buf_queue    = buffer_queue,
 716         .buf_release  = buffer_release,
 717 };
 718
 719 /* ------------------------------------------------------------------ */
 720
 721
 722 /* ------------------------------------------------------------------ */
 723
 724 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 725 {
 726         switch (fh->type) {
 727         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 728                 return &fh->vidq;
 729         case V4L2_BUF_TYPE_VBI_CAPTURE:
 730                 return &fh->vbiq;
 731         default:
 732                 BUG();
 733                 return NULL;
 734         }
 735 }
 736
 737 static int get_ressource(struct cx8800_fh *fh)
 738 {
 739         switch (fh->type) {
 740         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 741                 return RESOURCE_VIDEO;
 742         case V4L2_BUF_TYPE_VBI_CAPTURE:
 743                 return RESOURCE_VBI;
 744         default:
 745                 BUG();
 746                 return 0;
 747         }
 748 }
 749
 750 static int video_open(struct file *file)
 751 {
 752         struct video_device *vdev = video_devdata(file);
 753         struct cx8800_dev *dev = video_drvdata(file);
 754         struct cx88_core *core;
 755         struct cx8800_fh *fh;
 756         enum v4l2_buf_type type = 0;
 757         int radio = 0;
 758
 759         switch (vdev->vfl_type) {
 760         case VFL_TYPE_GRABBER:
 761                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 762                 break;
 763         case VFL_TYPE_VBI:
 764                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
 765                 break;
 766         case VFL_TYPE_RADIO:
 767                 radio = 1;
 768                 break;
 769         }
 770
 771         lock_kernel();
 772
 773         core = dev->core;
 774
 775         dprintk(1, "open dev=%s radio=%d type=%s\n",
 776                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
 777
 778         /* allocate + initialize per filehandle data */
 779         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 780         if (NULL == fh) {
 781                 unlock_kernel();
 782                 return -ENOMEM;
 783         }
 784         file->private_data = fh;
 785         fh->dev      = dev;
 786         fh->radio    = radio;
 787         fh->type     = type;
 788         fh->width    = 320;
 789         fh->height   = 240;
 790         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 791
 792         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 793                             &dev->pci->dev, &dev->slock,
 794                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 795                             V4L2_FIELD_INTERLACED,
 796                             sizeof(struct cx88_buffer),
 797                             fh);
 798         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 799                             &dev->pci->dev, &dev->slock,
 800                             V4L2_BUF_TYPE_VBI_CAPTURE,
 801                             V4L2_FIELD_SEQ_TB,
 802                             sizeof(struct cx88_buffer),
 803                             fh);
 804
 805         if (fh->radio) {
 806                 dprintk(1,"video_open: setting radio device\n");
 807                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 808                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 809                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 810                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 811                 if (core->board.radio.audioroute) {
 812                         if(core->board.audio_chip &&
 813                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 814                                 call_all(core, audio, s_routing,
 815                                         core->board.radio.audioroute, 0, 0);
 816                         }
 817                         /* "I2S ADC mode" */
 818                         core->tvaudio = WW_I2SADC;
 819                         cx88_set_tvaudio(core);
 820                 } else {
 821                         /* FM Mode */
 822                         core->tvaudio = WW_FM;
 823                         cx88_set_tvaudio(core);
 824                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 825                 }
 826                 call_all(core, tuner, s_radio);
 827         }
 828         unlock_kernel();
 829
 830         atomic_inc(&core->users);
 831
 832         return 0;
 833 }
 834
 835 static ssize_t
 836 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 837 {
 838         struct cx8800_fh *fh = file->private_data;
 839
 840         switch (fh->type) {
 841         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 842                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 843                         return -EBUSY;
 844                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 845                                          file->f_flags & O_NONBLOCK);
 846         case V4L2_BUF_TYPE_VBI_CAPTURE:
 847                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 848                         return -EBUSY;
 849                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 850                                             file->f_flags & O_NONBLOCK);
 851         default:
 852                 BUG();
 853                 return 0;
 854         }
 855 }
 856
 857 static unsigned int
 858 video_poll(struct file *file, struct poll_table_struct *wait)
 859 {
 860         struct cx8800_fh *fh = file->private_data;
 861         struct cx88_buffer *buf;
 862         unsigned int rc = POLLERR;
 863
 864         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 865                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 866                         return POLLERR;
 867                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 868         }
 869
 870         mutex_lock(&fh->vidq.vb_lock);
 871         if (res_check(fh,RESOURCE_VIDEO)) {
 872                 /* streaming capture */
 873                 if (list_empty(&fh->vidq.stream))
 874                         goto done;
 875                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 876         } else {
 877                 /* read() capture */
 878                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 879                 if (NULL == buf)
 880                         goto done;
 881         }
 882         poll_wait(file, &buf->vb.done, wait);
 883         if (buf->vb.state == VIDEOBUF_DONE ||
 884             buf->vb.state == VIDEOBUF_ERROR)
 885                 rc = POLLIN|POLLRDNORM;
 886         else
 887                 rc = 0;
 888 done:
 889         mutex_unlock(&fh->vidq.vb_lock);
 890         return rc;
 891 }
 892
 893 static int video_release(struct file *file)
 894 {
 895         struct cx8800_fh  *fh  = file->private_data;
 896         struct cx8800_dev *dev = fh->dev;
 897
 898         /* turn off overlay */
 899         if (res_check(fh, RESOURCE_OVERLAY)) {
 900                 /* FIXME */
 901                 res_free(dev,fh,RESOURCE_OVERLAY);
 902         }
 903
 904         /* stop video capture */
 905         if (res_check(fh, RESOURCE_VIDEO)) {
 906                 videobuf_queue_cancel(&fh->vidq);
 907                 res_free(dev,fh,RESOURCE_VIDEO);
 908         }
 909         if (fh->vidq.read_buf) {
 910                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 911                 kfree(fh->vidq.read_buf);
 912         }
 913
 914         /* stop vbi capture */
 915         if (res_check(fh, RESOURCE_VBI)) {
 916                 videobuf_stop(&fh->vbiq);
 917                 res_free(dev,fh,RESOURCE_VBI);
 918         }
 919
 920         videobuf_mmap_free(&fh->vidq);
 921         videobuf_mmap_free(&fh->vbiq);
 922         file->private_data = NULL;
 923         kfree(fh);
 924
 925         mutex_lock(&dev->core->lock);
 926         if(atomic_dec_and_test(&dev->core->users))
 927                 call_all(dev->core, core, s_power, 0);
 928         mutex_unlock(&dev->core->lock);
 929
 930         return 0;
 931 }
 932
 933 static int
 934 video_mmap(struct file *file, struct vm_area_struct * vma)
 935 {
 936         struct cx8800_fh *fh = file->private_data;
 937
 938         return videobuf_mmap_mapper(get_queue(fh), vma);
 939 }
 940
 941 /* ------------------------------------------------------------------ */
 942 /* VIDEO CTRL IOCTLS                                                  */
 943
 944 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 945 {
 946         struct cx88_ctrl  *c    = NULL;
 947         u32 value;
 948         int i;
 949
 950         for (i = 0; i < CX8800_CTLS; i++)
 951                 if (cx8800_ctls[i].v.id == ctl->id)
 952                         c = &cx8800_ctls[i];
 953         if (unlikely(NULL == c))
 954                 return -EINVAL;
 955
 956         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 957         switch (ctl->id) {
 958         case V4L2_CID_AUDIO_BALANCE:
 959                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 960                                         : (0x7f - (value & 0x7f));
 961                 break;
 962         case V4L2_CID_AUDIO_VOLUME:
 963                 ctl->value = 0x3f - (value & 0x3f);
 964                 break;
 965         default:
 966                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 967                 break;
 968         }
 969         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 970                                 ctl->id, c->v.name, ctl->value, c->reg,
 971                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 972         return 0;
 973 }
 974 EXPORT_SYMBOL(cx88_get_control);
 975
 976 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 977 {
 978         struct cx88_ctrl *c = NULL;
 979         u32 value,mask;
 980         int i;
 981
 982         for (i = 0; i < CX8800_CTLS; i++) {
 983                 if (cx8800_ctls[i].v.id == ctl->id) {
 984                         c = &cx8800_ctls[i];
 985                 }
 986         }
 987         if (unlikely(NULL == c))
 988                 return -EINVAL;
 989
 990         if (ctl->value < c->v.minimum)
 991                 ctl->value = c->v.minimum;
 992         if (ctl->value > c->v.maximum)
 993                 ctl->value = c->v.maximum;
 994         mask=c->mask;
 995         switch (ctl->id) {
 996         case V4L2_CID_AUDIO_BALANCE:
 997                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 998                 break;
 999         case V4L2_CID_AUDIO_VOLUME:
1000                 value = 0x3f - (ctl->value & 0x3f);
1001                 break;
1002         case V4L2_CID_SATURATION:
1003                 /* special v_sat handling */
1004
1005                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1006
1007                 if (core->tvnorm & V4L2_STD_SECAM) {
1008                         /* For SECAM, both U and V sat should be equal */
1009                         value=value<<8|value;
1010                 } else {
1011                         /* Keeps U Saturation proportional to V Sat */
1012                         value=(value*0x5a)/0x7f<<8|value;
1013                 }
1014                 mask=0xffff;
1015                 break;
1016         case V4L2_CID_CHROMA_AGC:
1017                 /* Do not allow chroma AGC to be enabled for SECAM */
1018                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1019                 if (core->tvnorm & V4L2_STD_SECAM && value)
1020                         return -EINVAL;
1021                 break;
1022         default:
1023                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1024                 break;
1025         }
1026         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1027                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1028                                 mask, c->sreg ? " [shadowed]" : "");
1029         if (c->sreg) {
1030                 cx_sandor(c->sreg, c->reg, mask, value);
1031         } else {
1032                 cx_andor(c->reg, mask, value);
1033         }
1034         return 0;
1035 }
1036 EXPORT_SYMBOL(cx88_set_control);
1037
1038 static void init_controls(struct cx88_core *core)
1039 {
1040         struct v4l2_control ctrl;
1041         int i;
1042
1043         for (i = 0; i < CX8800_CTLS; i++) {
1044                 ctrl.id=cx8800_ctls[i].v.id;
1045                 ctrl.value=cx8800_ctls[i].v.default_value;
1046
1047                 cx88_set_control(core, &ctrl);
1048         }
1049 }
1050
1051 /* ------------------------------------------------------------------ */
1052 /* VIDEO IOCTLS                                                       */
1053
1054 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1055                                         struct v4l2_format *f)
1056 {
1057         struct cx8800_fh  *fh   = priv;
1058
1059         f->fmt.pix.width        = fh->width;
1060         f->fmt.pix.height       = fh->height;
1061         f->fmt.pix.field        = fh->vidq.field;
1062         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1063         f->fmt.pix.bytesperline =
1064                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1065         f->fmt.pix.sizeimage =
1066                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1067         return 0;
1068 }
1069
1070 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1071                         struct v4l2_format *f)
1072 {
1073         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1074         struct cx8800_fmt *fmt;
1075         enum v4l2_field   field;
1076         unsigned int      maxw, maxh;
1077
1078         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1079         if (NULL == fmt)
1080                 return -EINVAL;
1081
1082         field = f->fmt.pix.field;
1083         maxw  = norm_maxw(core->tvnorm);
1084         maxh  = norm_maxh(core->tvnorm);
1085
1086         if (V4L2_FIELD_ANY == field) {
1087                 field = (f->fmt.pix.height > maxh/2)
1088                         ? V4L2_FIELD_INTERLACED
1089                         : V4L2_FIELD_BOTTOM;
1090         }
1091
1092         switch (field) {
1093         case V4L2_FIELD_TOP:
1094         case V4L2_FIELD_BOTTOM:
1095                 maxh = maxh / 2;
1096                 break;
1097         case V4L2_FIELD_INTERLACED:
1098                 break;
1099         default:
1100                 return -EINVAL;
1101         }
1102
1103         f->fmt.pix.field = field;
1104         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1105                               &f->fmt.pix.height, 32, maxh, 0, 0);
1106         f->fmt.pix.bytesperline =
1107                 (f->fmt.pix.width * fmt->depth) >> 3;
1108         f->fmt.pix.sizeimage =
1109                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1110
1111         return 0;
1112 }
1113
1114 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1115                                         struct v4l2_format *f)
1116 {
1117         struct cx8800_fh  *fh   = priv;
1118         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1119
1120         if (0 != err)
1121                 return err;
1122         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1123         fh->width      = f->fmt.pix.width;
1124         fh->height     = f->fmt.pix.height;
1125         fh->vidq.field = f->fmt.pix.field;
1126         return 0;
1127 }
1128
1129 static int vidioc_querycap (struct file *file, void  *priv,
1130                                         struct v4l2_capability *cap)
1131 {
1132         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1133         struct cx88_core  *core = dev->core;
1134
1135         strcpy(cap->driver, "cx8800");
1136         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1137         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1138         cap->version = CX88_VERSION_CODE;
1139         cap->capabilities =
1140                 V4L2_CAP_VIDEO_CAPTURE |
1141                 V4L2_CAP_READWRITE     |
1142                 V4L2_CAP_STREAMING     |
1143                 V4L2_CAP_VBI_CAPTURE;
1144         if (UNSET != core->board.tuner_type)
1145                 cap->capabilities |= V4L2_CAP_TUNER;
1146         return 0;
1147 }
1148
1149 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1150                                         struct v4l2_fmtdesc *f)
1151 {
1152         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1153                 return -EINVAL;
1154
1155         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1156         f->pixelformat = formats[f->index].fourcc;
1157
1158         return 0;
1159 }
1160
1161 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1162 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1163 {
1164         struct cx8800_fh           *fh  = priv;
1165
1166         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1167 }
1168 #endif
1169
1170 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1171 {
1172         struct cx8800_fh  *fh   = priv;
1173         return (videobuf_reqbufs(get_queue(fh), p));
1174 }
1175
1176 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1177 {
1178         struct cx8800_fh  *fh   = priv;
1179         return (videobuf_querybuf(get_queue(fh), p));
1180 }
1181
1182 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1183 {
1184         struct cx8800_fh  *fh   = priv;
1185         return (videobuf_qbuf(get_queue(fh), p));
1186 }
1187
1188 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1189 {
1190         struct cx8800_fh  *fh   = priv;
1191         return (videobuf_dqbuf(get_queue(fh), p,
1192                                 file->f_flags & O_NONBLOCK));
1193 }
1194
1195 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1196 {
1197         struct cx8800_fh  *fh   = priv;
1198         struct cx8800_dev *dev  = fh->dev;
1199
1200         /* We should remember that this driver also supports teletext,  */
1201         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1202         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1203                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1204                 return -EINVAL;
1205
1206         if (unlikely(i != fh->type))
1207                 return -EINVAL;
1208
1209         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1210                 return -EBUSY;
1211         return videobuf_streamon(get_queue(fh));
1212 }
1213
1214 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1215 {
1216         struct cx8800_fh  *fh   = priv;
1217         struct cx8800_dev *dev  = fh->dev;
1218         int               err, res;
1219
1220         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1221             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1222                 return -EINVAL;
1223
1224         if (i != fh->type)
1225                 return -EINVAL;
1226
1227         res = get_ressource(fh);
1228         err = videobuf_streamoff(get_queue(fh));
1229         if (err < 0)
1230                 return err;
1231         res_free(dev,fh,res);
1232         return 0;
1233 }
1234
1235 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1236 {
1237         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1238
1239         mutex_lock(&core->lock);
1240         cx88_set_tvnorm(core,*tvnorms);
1241         mutex_unlock(&core->lock);
1242
1243         return 0;
1244 }
1245
1246 /* only one input in this sample driver */
1247 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1248 {
1249         static const char *iname[] = {
1250                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1251                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1252                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1253                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1254                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1255                 [ CX88_VMUX_TELEVISION ] = "Television",
1256                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1257                 [ CX88_VMUX_DVB        ] = "DVB",
1258                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1259         };
1260         unsigned int n = i->index;
1261
1262         if (n >= 4)
1263                 return -EINVAL;
1264         if (0 == INPUT(n).type)
1265                 return -EINVAL;
1266         i->type  = V4L2_INPUT_TYPE_CAMERA;
1267         strcpy(i->name,iname[INPUT(n).type]);
1268         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1269             (CX88_VMUX_CABLE      == INPUT(n).type))
1270                 i->type = V4L2_INPUT_TYPE_TUNER;
1271                 i->std = CX88_NORMS;
1272         return 0;
1273 }
1274 EXPORT_SYMBOL(cx88_enum_input);
1275
1276 static int vidioc_enum_input (struct file *file, void *priv,
1277                                 struct v4l2_input *i)
1278 {
1279         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1280         return cx88_enum_input (core,i);
1281 }
1282
1283 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1284 {
1285         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1286
1287         *i = core->input;
1288         return 0;
1289 }
1290
1291 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1292 {
1293         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1294
1295         if (i >= 4)
1296                 return -EINVAL;
1297
1298         mutex_lock(&core->lock);
1299         cx88_newstation(core);
1300         cx88_video_mux(core,i);
1301         mutex_unlock(&core->lock);
1302         return 0;
1303 }
1304
1305
1306
1307 static int vidioc_queryctrl (struct file *file, void *priv,
1308                                 struct v4l2_queryctrl *qctrl)
1309 {
1310         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1311
1312         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1313         if (unlikely(qctrl->id == 0))
1314                 return -EINVAL;
1315         return cx8800_ctrl_query(core, qctrl);
1316 }
1317
1318 static int vidioc_g_ctrl (struct file *file, void *priv,
1319                                 struct v4l2_control *ctl)
1320 {
1321         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1322         return
1323                 cx88_get_control(core,ctl);
1324 }
1325
1326 static int vidioc_s_ctrl (struct file *file, void *priv,
1327                                 struct v4l2_control *ctl)
1328 {
1329         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1330         return
1331                 cx88_set_control(core,ctl);
1332 }
1333
1334 static int vidioc_g_tuner (struct file *file, void *priv,
1335                                 struct v4l2_tuner *t)
1336 {
1337         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1338         u32 reg;
1339
1340         if (unlikely(UNSET == core->board.tuner_type))
1341                 return -EINVAL;
1342         if (0 != t->index)
1343                 return -EINVAL;
1344
1345         strcpy(t->name, "Television");
1346         t->type       = V4L2_TUNER_ANALOG_TV;
1347         t->capability = V4L2_TUNER_CAP_NORM;
1348         t->rangehigh  = 0xffffffffUL;
1349
1350         cx88_get_stereo(core ,t);
1351         reg = cx_read(MO_DEVICE_STATUS);
1352         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1353         return 0;
1354 }
1355
1356 static int vidioc_s_tuner (struct file *file, void *priv,
1357                                 struct v4l2_tuner *t)
1358 {
1359         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1360
1361         if (UNSET == core->board.tuner_type)
1362                 return -EINVAL;
1363         if (0 != t->index)
1364                 return -EINVAL;
1365
1366         cx88_set_stereo(core, t->audmode, 1);
1367         return 0;
1368 }
1369
1370 static int vidioc_g_frequency (struct file *file, void *priv,
1371                                 struct v4l2_frequency *f)
1372 {
1373         struct cx8800_fh  *fh   = priv;
1374         struct cx88_core  *core = fh->dev->core;
1375
1376         if (unlikely(UNSET == core->board.tuner_type))
1377                 return -EINVAL;
1378
1379         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1380         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1381         f->frequency = core->freq;
1382
1383         call_all(core, tuner, g_frequency, f);
1384
1385         return 0;
1386 }
1387
1388 int cx88_set_freq (struct cx88_core  *core,
1389                                 struct v4l2_frequency *f)
1390 {
1391         if (unlikely(UNSET == core->board.tuner_type))
1392                 return -EINVAL;
1393         if (unlikely(f->tuner != 0))
1394                 return -EINVAL;
1395
1396         mutex_lock(&core->lock);
1397         core->freq = f->frequency;
1398         cx88_newstation(core);
1399         call_all(core, tuner, s_frequency, f);
1400
1401         /* When changing channels it is required to reset TVAUDIO */
1402         msleep (10);
1403         cx88_set_tvaudio(core);
1404
1405         mutex_unlock(&core->lock);
1406
1407         return 0;
1408 }
1409 EXPORT_SYMBOL(cx88_set_freq);
1410
1411 static int vidioc_s_frequency (struct file *file, void *priv,
1412                                 struct v4l2_frequency *f)
1413 {
1414         struct cx8800_fh  *fh   = priv;
1415         struct cx88_core  *core = fh->dev->core;
1416
1417         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1418                 return -EINVAL;
1419         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1420                 return -EINVAL;
1421
1422         return
1423                 cx88_set_freq (core,f);
1424 }
1425
1426 #ifdef CONFIG_VIDEO_ADV_DEBUG
1427 static int vidioc_g_register (struct file *file, void *fh,
1428                                 struct v4l2_dbg_register *reg)
1429 {
1430         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1431
1432         if (!v4l2_chip_match_host(&reg->match))
1433                 return -EINVAL;
1434         /* cx2388x has a 24-bit register space */
1435         reg->val = cx_read(reg->reg & 0xffffff);
1436         reg->size = 4;
1437         return 0;
1438 }
1439
1440 static int vidioc_s_register (struct file *file, void *fh,
1441                                 struct v4l2_dbg_register *reg)
1442 {
1443         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1444
1445         if (!v4l2_chip_match_host(&reg->match))
1446                 return -EINVAL;
1447         cx_write(reg->reg & 0xffffff, reg->val);
1448         return 0;
1449 }
1450 #endif
1451
1452 /* ----------------------------------------------------------- */
1453 /* RADIO ESPECIFIC IOCTLS                                      */
1454 /* ----------------------------------------------------------- */
1455
1456 static int radio_querycap (struct file *file, void  *priv,
1457                                         struct v4l2_capability *cap)
1458 {
1459         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1460         struct cx88_core  *core = dev->core;
1461
1462         strcpy(cap->driver, "cx8800");
1463         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1464         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1465         cap->version = CX88_VERSION_CODE;
1466         cap->capabilities = V4L2_CAP_TUNER;
1467         return 0;
1468 }
1469
1470 static int radio_g_tuner (struct file *file, void *priv,
1471                                 struct v4l2_tuner *t)
1472 {
1473         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1474
1475         if (unlikely(t->index > 0))
1476                 return -EINVAL;
1477
1478         strcpy(t->name, "Radio");
1479         t->type = V4L2_TUNER_RADIO;
1480
1481         call_all(core, tuner, g_tuner, t);
1482         return 0;
1483 }
1484
1485 static int radio_enum_input (struct file *file, void *priv,
1486                                 struct v4l2_input *i)
1487 {
1488         if (i->index != 0)
1489                 return -EINVAL;
1490         strcpy(i->name,"Radio");
1491         i->type = V4L2_INPUT_TYPE_TUNER;
1492
1493         return 0;
1494 }
1495
1496 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1497 {
1498         if (unlikely(a->index))
1499                 return -EINVAL;
1500
1501         strcpy(a->name,"Radio");
1502         return 0;
1503 }
1504
1505 /* FIXME: Should add a standard for radio */
1506
1507 static int radio_s_tuner (struct file *file, void *priv,
1508                                 struct v4l2_tuner *t)
1509 {
1510         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1511
1512         if (0 != t->index)
1513                 return -EINVAL;
1514
1515         call_all(core, tuner, s_tuner, t);
1516
1517         return 0;
1518 }
1519
1520 static int radio_s_audio (struct file *file, void *fh,
1521                           struct v4l2_audio *a)
1522 {
1523         return 0;
1524 }
1525
1526 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1527 {
1528         return 0;
1529 }
1530
1531 static int radio_queryctrl (struct file *file, void *priv,
1532                             struct v4l2_queryctrl *c)
1533 {
1534         int i;
1535
1536         if (c->id <  V4L2_CID_BASE ||
1537                 c->id >= V4L2_CID_LASTP1)
1538                 return -EINVAL;
1539         if (c->id == V4L2_CID_AUDIO_MUTE) {
1540                 for (i = 0; i < CX8800_CTLS; i++)
1541                         if (cx8800_ctls[i].v.id == c->id)
1542                                 break;
1543                 *c = cx8800_ctls[i].v;
1544         } else
1545                 *c = no_ctl;
1546         return 0;
1547 }
1548
1549 /* ----------------------------------------------------------- */
1550
1551 static void cx8800_vid_timeout(unsigned long data)
1552 {
1553         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1554         struct cx88_core *core = dev->core;
1555         struct cx88_dmaqueue *q = &dev->vidq;
1556         struct cx88_buffer *buf;
1557         unsigned long flags;
1558
1559         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1560
1561         cx_clear(MO_VID_DMACNTRL, 0x11);
1562         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1563
1564         spin_lock_irqsave(&dev->slock,flags);
1565         while (!list_empty(&q->active)) {
1566                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1567                 list_del(&buf->vb.queue);
1568                 buf->vb.state = VIDEOBUF_ERROR;
1569                 wake_up(&buf->vb.done);
1570                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1571                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1572         }
1573         restart_video_queue(dev,q);
1574         spin_unlock_irqrestore(&dev->slock,flags);
1575 }
1576
1577 static char *cx88_vid_irqs[32] = {
1578         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1579         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1580         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1581         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1582         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1583 };
1584
1585 static void cx8800_vid_irq(struct cx8800_dev *dev)
1586 {
1587         struct cx88_core *core = dev->core;
1588         u32 status, mask, count;
1589
1590         status = cx_read(MO_VID_INTSTAT);
1591         mask   = cx_read(MO_VID_INTMSK);
1592         if (0 == (status & mask))
1593                 return;
1594         cx_write(MO_VID_INTSTAT, status);
1595         if (irq_debug  ||  (status & mask & ~0xff))
1596                 cx88_print_irqbits(core->name, "irq vid",
1597                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1598                                    status, mask);
1599
1600         /* risc op code error */
1601         if (status & (1 << 16)) {
1602                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1603                 cx_clear(MO_VID_DMACNTRL, 0x11);
1604                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1605                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1606         }
1607
1608         /* risc1 y */
1609         if (status & 0x01) {
1610                 spin_lock(&dev->slock);
1611                 count = cx_read(MO_VIDY_GPCNT);
1612                 cx88_wakeup(core, &dev->vidq, count);
1613                 spin_unlock(&dev->slock);
1614         }
1615
1616         /* risc1 vbi */
1617         if (status & 0x08) {
1618                 spin_lock(&dev->slock);
1619                 count = cx_read(MO_VBI_GPCNT);
1620                 cx88_wakeup(core, &dev->vbiq, count);
1621                 spin_unlock(&dev->slock);
1622         }
1623
1624         /* risc2 y */
1625         if (status & 0x10) {
1626                 dprintk(2,"stopper video\n");
1627                 spin_lock(&dev->slock);
1628                 restart_video_queue(dev,&dev->vidq);
1629                 spin_unlock(&dev->slock);
1630         }
1631
1632         /* risc2 vbi */
1633         if (status & 0x80) {
1634                 dprintk(2,"stopper vbi\n");
1635                 spin_lock(&dev->slock);
1636                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1637                 spin_unlock(&dev->slock);
1638         }
1639 }
1640
1641 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1642 {
1643         struct cx8800_dev *dev = dev_id;
1644         struct cx88_core *core = dev->core;
1645         u32 status;
1646         int loop, handled = 0;
1647
1648         for (loop = 0; loop < 10; loop++) {
1649                 status = cx_read(MO_PCI_INTSTAT) &
1650                         (core->pci_irqmask | PCI_INT_VIDINT);
1651                 if (0 == status)
1652                         goto out;
1653                 cx_write(MO_PCI_INTSTAT, status);
1654                 handled = 1;
1655
1656                 if (status & core->pci_irqmask)
1657                         cx88_core_irq(core,status);
1658                 if (status & PCI_INT_VIDINT)
1659                         cx8800_vid_irq(dev);
1660         };
1661         if (10 == loop) {
1662                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1663                        core->name);
1664                 cx_write(MO_PCI_INTMSK,0);
1665         }
1666
1667  out:
1668         return IRQ_RETVAL(handled);
1669 }
1670
1671 /* ----------------------------------------------------------- */
1672 /* exported stuff                                              */
1673
1674 static const struct v4l2_file_operations video_fops =
1675 {
1676         .owner         = THIS_MODULE,
1677         .open          = video_open,
1678         .release       = video_release,
1679         .read          = video_read,
1680         .poll          = video_poll,
1681         .mmap          = video_mmap,
1682         .ioctl         = video_ioctl2,
1683 };
1684
1685 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1686         .vidioc_querycap      = vidioc_querycap,
1687         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1688         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1689         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1690         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1691         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1692         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1693         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1694         .vidioc_reqbufs       = vidioc_reqbufs,
1695         .vidioc_querybuf      = vidioc_querybuf,
1696         .vidioc_qbuf          = vidioc_qbuf,
1697         .vidioc_dqbuf         = vidioc_dqbuf,
1698         .vidioc_s_std         = vidioc_s_std,
1699         .vidioc_enum_input    = vidioc_enum_input,
1700         .vidioc_g_input       = vidioc_g_input,
1701         .vidioc_s_input       = vidioc_s_input,
1702         .vidioc_queryctrl     = vidioc_queryctrl,
1703         .vidioc_g_ctrl        = vidioc_g_ctrl,
1704         .vidioc_s_ctrl        = vidioc_s_ctrl,
1705         .vidioc_streamon      = vidioc_streamon,
1706         .vidioc_streamoff     = vidioc_streamoff,
1707 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1708         .vidiocgmbuf          = vidiocgmbuf,
1709 #endif
1710         .vidioc_g_tuner       = vidioc_g_tuner,
1711         .vidioc_s_tuner       = vidioc_s_tuner,
1712         .vidioc_g_frequency   = vidioc_g_frequency,
1713         .vidioc_s_frequency   = vidioc_s_frequency,
1714 #ifdef CONFIG_VIDEO_ADV_DEBUG
1715         .vidioc_g_register    = vidioc_g_register,
1716         .vidioc_s_register    = vidioc_s_register,
1717 #endif
1718 };
1719
1720 static struct video_device cx8800_vbi_template;
1721
1722 static struct video_device cx8800_video_template = {
1723         .name                 = "cx8800-video",
1724         .fops                 = &video_fops,
1725         .ioctl_ops            = &video_ioctl_ops,
1726         .tvnorms              = CX88_NORMS,
1727         .current_norm         = V4L2_STD_NTSC_M,
1728 };
1729
1730 static const struct v4l2_file_operations radio_fops =
1731 {
1732         .owner         = THIS_MODULE,
1733         .open          = video_open,
1734         .release       = video_release,
1735         .ioctl         = video_ioctl2,
1736 };
1737
1738 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1739         .vidioc_querycap      = radio_querycap,
1740         .vidioc_g_tuner       = radio_g_tuner,
1741         .vidioc_enum_input    = radio_enum_input,
1742         .vidioc_g_audio       = radio_g_audio,
1743         .vidioc_s_tuner       = radio_s_tuner,
1744         .vidioc_s_audio       = radio_s_audio,
1745         .vidioc_s_input       = radio_s_input,
1746         .vidioc_queryctrl     = radio_queryctrl,
1747         .vidioc_g_ctrl        = vidioc_g_ctrl,
1748         .vidioc_s_ctrl        = vidioc_s_ctrl,
1749         .vidioc_g_frequency   = vidioc_g_frequency,
1750         .vidioc_s_frequency   = vidioc_s_frequency,
1751 #ifdef CONFIG_VIDEO_ADV_DEBUG
1752         .vidioc_g_register    = vidioc_g_register,
1753         .vidioc_s_register    = vidioc_s_register,
1754 #endif
1755 };
1756
1757 static struct video_device cx8800_radio_template = {
1758         .name                 = "cx8800-radio",
1759         .fops                 = &radio_fops,
1760         .ioctl_ops            = &radio_ioctl_ops,
1761 };
1762
1763 /* ----------------------------------------------------------- */
1764
1765 static void cx8800_unregister_video(struct cx8800_dev *dev)
1766 {
1767         if (dev->radio_dev) {
1768                 if (video_is_registered(dev->radio_dev))
1769                         video_unregister_device(dev->radio_dev);
1770                 else
1771                         video_device_release(dev->radio_dev);
1772                 dev->radio_dev = NULL;
1773         }
1774         if (dev->vbi_dev) {
1775                 if (video_is_registered(dev->vbi_dev))
1776                         video_unregister_device(dev->vbi_dev);
1777                 else
1778                         video_device_release(dev->vbi_dev);
1779                 dev->vbi_dev = NULL;
1780         }
1781         if (dev->video_dev) {
1782                 if (video_is_registered(dev->video_dev))
1783                         video_unregister_device(dev->video_dev);
1784                 else
1785                         video_device_release(dev->video_dev);
1786                 dev->video_dev = NULL;
1787         }
1788 }
1789
1790 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1791                                     const struct pci_device_id *pci_id)
1792 {
1793         struct cx8800_dev *dev;
1794         struct cx88_core *core;
1795
1796         int err;
1797
1798         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1799         if (NULL == dev)
1800                 return -ENOMEM;
1801
1802         /* pci init */
1803         dev->pci = pci_dev;
1804         if (pci_enable_device(pci_dev)) {
1805                 err = -EIO;
1806                 goto fail_free;
1807         }
1808         core = cx88_core_get(dev->pci);
1809         if (NULL == core) {
1810                 err = -EINVAL;
1811                 goto fail_free;
1812         }
1813         dev->core = core;
1814
1815         /* print pci info */
1816         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1817         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1818         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1819                "latency: %d, mmio: 0x%llx\n", core->name,
1820                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1821                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1822
1823         pci_set_master(pci_dev);
1824         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1825                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1826                 err = -EIO;
1827                 goto fail_core;
1828         }
1829
1830         /* Initialize VBI template */
1831         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1832                 sizeof(cx8800_vbi_template) );
1833         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1834
1835         /* initialize driver struct */
1836         spin_lock_init(&dev->slock);
1837         core->tvnorm = cx8800_video_template.current_norm;
1838
1839         /* init video dma queues */
1840         INIT_LIST_HEAD(&dev->vidq.active);
1841         INIT_LIST_HEAD(&dev->vidq.queued);
1842         dev->vidq.timeout.function = cx8800_vid_timeout;
1843         dev->vidq.timeout.data     = (unsigned long)dev;
1844         init_timer(&dev->vidq.timeout);
1845         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1846                           MO_VID_DMACNTRL,0x11,0x00);
1847
1848         /* init vbi dma queues */
1849         INIT_LIST_HEAD(&dev->vbiq.active);
1850         INIT_LIST_HEAD(&dev->vbiq.queued);
1851         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1852         dev->vbiq.timeout.data     = (unsigned long)dev;
1853         init_timer(&dev->vbiq.timeout);
1854         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1855                           MO_VID_DMACNTRL,0x88,0x00);
1856
1857         /* get irq */
1858         err = request_irq(pci_dev->irq, cx8800_irq,
1859                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1860         if (err < 0) {
1861                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1862                        core->name,pci_dev->irq);
1863                 goto fail_core;
1864         }
1865         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1866
1867         /* load and configure helper modules */
1868
1869         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1870                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1871                                 "wm8775", "wm8775", 0x36 >> 1, NULL);
1872
1873         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1874                 /* This probes for a tda9874 as is used on some
1875                    Pixelview Ultra boards. */
1876                 v4l2_i2c_new_subdev(&core->v4l2_dev,
1877                                 &core->i2c_adap,
1878                                 "tvaudio", "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1879         }
1880
1881         switch (core->boardnr) {
1882         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1883         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1884                 static struct i2c_board_info rtc_info = {
1885                         I2C_BOARD_INFO("isl1208", 0x6f)
1886                 };
1887
1888                 request_module("rtc-isl1208");
1889                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1890         }
1891                 /* break intentionally omitted */
1892         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1893                 request_module("ir-kbd-i2c");
1894         }
1895
1896         /* register v4l devices */
1897         dev->video_dev = cx88_vdev_init(core,dev->pci,
1898                                         &cx8800_video_template,"video");
1899         video_set_drvdata(dev->video_dev, dev);
1900         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1901                                     video_nr[core->nr]);
1902         if (err < 0) {
1903                 printk(KERN_ERR "%s/0: can't register video device\n",
1904                        core->name);
1905                 goto fail_unreg;
1906         }
1907         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1908                core->name, video_device_node_name(dev->video_dev));
1909
1910         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1911         video_set_drvdata(dev->vbi_dev, dev);
1912         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1913                                     vbi_nr[core->nr]);
1914         if (err < 0) {
1915                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1916                        core->name);
1917                 goto fail_unreg;
1918         }
1919         printk(KERN_INFO "%s/0: registered device %s\n",
1920                core->name, video_device_node_name(dev->vbi_dev));
1921
1922         if (core->board.radio.type == CX88_RADIO) {
1923                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1924                                                 &cx8800_radio_template,"radio");
1925                 video_set_drvdata(dev->radio_dev, dev);
1926                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1927                                             radio_nr[core->nr]);
1928                 if (err < 0) {
1929                         printk(KERN_ERR "%s/0: can't register radio device\n",
1930                                core->name);
1931                         goto fail_unreg;
1932                 }
1933                 printk(KERN_INFO "%s/0: registered device %s\n",
1934                        core->name, video_device_node_name(dev->radio_dev));
1935         }
1936
1937         /* everything worked */
1938         pci_set_drvdata(pci_dev,dev);
1939
1940         /* initial device configuration */
1941         mutex_lock(&core->lock);
1942         cx88_set_tvnorm(core,core->tvnorm);
1943         init_controls(core);
1944         cx88_video_mux(core,0);
1945         mutex_unlock(&core->lock);
1946
1947         /* start tvaudio thread */
1948         if (core->board.tuner_type != TUNER_ABSENT) {
1949                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1950                 if (IS_ERR(core->kthread)) {
1951                         err = PTR_ERR(core->kthread);
1952                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1953                                core->name, err);
1954                 }
1955         }
1956         return 0;
1957
1958 fail_unreg:
1959         cx8800_unregister_video(dev);
1960         free_irq(pci_dev->irq, dev);
1961 fail_core:
1962         cx88_core_put(core,dev->pci);
1963 fail_free:
1964         kfree(dev);
1965         return err;
1966 }
1967
1968 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1969 {
1970         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1971         struct cx88_core *core = dev->core;
1972
1973         /* stop thread */
1974         if (core->kthread) {
1975                 kthread_stop(core->kthread);
1976                 core->kthread = NULL;
1977         }
1978
1979         if (core->ir)
1980                 cx88_ir_stop(core, core->ir);
1981
1982         cx88_shutdown(core); /* FIXME */
1983         pci_disable_device(pci_dev);
1984
1985         /* unregister stuff */
1986
1987         free_irq(pci_dev->irq, dev);
1988         cx8800_unregister_video(dev);
1989         pci_set_drvdata(pci_dev, NULL);
1990
1991         /* free memory */
1992         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1993         cx88_core_put(core,dev->pci);
1994         kfree(dev);
1995 }
1996
1997 #ifdef CONFIG_PM
1998 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1999 {
2000         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2001         struct cx88_core *core = dev->core;
2002
2003         /* stop video+vbi capture */
2004         spin_lock(&dev->slock);
2005         if (!list_empty(&dev->vidq.active)) {
2006                 printk("%s/0: suspend video\n", core->name);
2007                 stop_video_dma(dev);
2008                 del_timer(&dev->vidq.timeout);
2009         }
2010         if (!list_empty(&dev->vbiq.active)) {
2011                 printk("%s/0: suspend vbi\n", core->name);
2012                 cx8800_stop_vbi_dma(dev);
2013                 del_timer(&dev->vbiq.timeout);
2014         }
2015         spin_unlock(&dev->slock);
2016
2017         if (core->ir)
2018                 cx88_ir_stop(core, core->ir);
2019         /* FIXME -- shutdown device */
2020         cx88_shutdown(core);
2021
2022         pci_save_state(pci_dev);
2023         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2024                 pci_disable_device(pci_dev);
2025                 dev->state.disabled = 1;
2026         }
2027         return 0;
2028 }
2029
2030 static int cx8800_resume(struct pci_dev *pci_dev)
2031 {
2032         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2033         struct cx88_core *core = dev->core;
2034         int err;
2035
2036         if (dev->state.disabled) {
2037                 err=pci_enable_device(pci_dev);
2038                 if (err) {
2039                         printk(KERN_ERR "%s/0: can't enable device\n",
2040                                core->name);
2041                         return err;
2042                 }
2043
2044                 dev->state.disabled = 0;
2045         }
2046         err= pci_set_power_state(pci_dev, PCI_D0);
2047         if (err) {
2048                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2049                 pci_disable_device(pci_dev);
2050                 dev->state.disabled = 1;
2051
2052                 return err;
2053         }
2054         pci_restore_state(pci_dev);
2055
2056         /* FIXME: re-initialize hardware */
2057         cx88_reset(core);
2058         if (core->ir)
2059                 cx88_ir_start(core, core->ir);
2060
2061         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2062
2063         /* restart video+vbi capture */
2064         spin_lock(&dev->slock);
2065         if (!list_empty(&dev->vidq.active)) {
2066                 printk("%s/0: resume video\n", core->name);
2067                 restart_video_queue(dev,&dev->vidq);
2068         }
2069         if (!list_empty(&dev->vbiq.active)) {
2070                 printk("%s/0: resume vbi\n", core->name);
2071                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2072         }
2073         spin_unlock(&dev->slock);
2074
2075         return 0;
2076 }
2077 #endif
2078
2079 /* ----------------------------------------------------------- */
2080
2081 static struct pci_device_id cx8800_pci_tbl[] = {
2082         {
2083                 .vendor       = 0x14f1,
2084                 .device       = 0x8800,
2085                 .subvendor    = PCI_ANY_ID,
2086                 .subdevice    = PCI_ANY_ID,
2087         },{
2088                 /* --- end of list --- */
2089         }
2090 };
2091 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2092
2093 static struct pci_driver cx8800_pci_driver = {
2094         .name     = "cx8800",
2095         .id_table = cx8800_pci_tbl,
2096         .probe    = cx8800_initdev,
2097         .remove   = __devexit_p(cx8800_finidev),
2098 #ifdef CONFIG_PM
2099         .suspend  = cx8800_suspend,
2100         .resume   = cx8800_resume,
2101 #endif
2102 };
2103
2104 static int __init cx8800_init(void)
2105 {
2106         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2107                (CX88_VERSION_CODE >> 16) & 0xff,
2108                (CX88_VERSION_CODE >>  8) & 0xff,
2109                CX88_VERSION_CODE & 0xff);
2110 #ifdef SNAPSHOT
2111         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2112                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2113 #endif
2114         return pci_register_driver(&cx8800_pci_driver);
2115 }
2116
2117 static void __exit cx8800_fini(void)
2118 {
2119         pci_unregister_driver(&cx8800_pci_driver);
2120 }
2121
2122 module_init(cx8800_init);
2123 module_exit(cx8800_fini);
2124
2125 /* ----------------------------------------------------------- */
2126 /*
2127  * Local variables:
2128  * c-basic-offset: 8
2129  * End:
2130  * 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
2131  */