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  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/moduleparam.h>
  27 #include <linux/kmod.h>
  28 #include <linux/kernel.h>
  29 #include <linux/slab.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/delay.h>
  32 #include <linux/kthread.h>
  33 #include <asm/div64.h>
  34
  35 #include "cx88.h"
  36 #include <media/v4l2-common.h>
  37
  38 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  39 /* Include V4L1 specific functions. Should be removed soon */
  40 #include <linux/videodev.h>
  41 #endif
  42
  43 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  44 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  45 MODULE_LICENSE("GPL");
  46
  47 /* ------------------------------------------------------------------ */
  48
  49 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  50 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  51 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52
  53 module_param_array(video_nr, int, NULL, 0444);
  54 module_param_array(vbi_nr,   int, NULL, 0444);
  55 module_param_array(radio_nr, int, NULL, 0444);
  56
  57 MODULE_PARM_DESC(video_nr,"video device numbers");
  58 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  59 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  60
  61 static unsigned int video_debug = 0;
  62 module_param(video_debug,int,0644);
  63 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  64
  65 static unsigned int irq_debug = 0;
  66 module_param(irq_debug,int,0644);
  67 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  68
  69 static unsigned int vid_limit = 16;
  70 module_param(vid_limit,int,0644);
  71 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  72
  73 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  74         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  75
  76 /* ------------------------------------------------------------------ */
  77
  78 static LIST_HEAD(cx8800_devlist);
  79
  80 /* ------------------------------------------------------------------- */
  81 /* static data                                                         */
  82
  83 static struct cx88_tvnorm tvnorms[] = {
  84         {
  85                 .name      = "NTSC-M",
  86                 .id        = V4L2_STD_NTSC_M,
  87                 .cxiformat = VideoFormatNTSC,
  88                 .cxoformat = 0x181f0008,
  89         },{
  90                 .name      = "NTSC-JP",
  91                 .id        = V4L2_STD_NTSC_M_JP,
  92                 .cxiformat = VideoFormatNTSCJapan,
  93                 .cxoformat = 0x181f0008,
  94         },{
  95                 .name      = "PAL-BG",
  96                 .id        = V4L2_STD_PAL_BG,
  97                 .cxiformat = VideoFormatPAL,
  98                 .cxoformat = 0x181f0008,
  99         },{
 100                 .name      = "PAL-DK",
 101                 .id        = V4L2_STD_PAL_DK,
 102                 .cxiformat = VideoFormatPAL,
 103                 .cxoformat = 0x181f0008,
 104         },{
 105                 .name      = "PAL-I",
 106                 .id        = V4L2_STD_PAL_I,
 107                 .cxiformat = VideoFormatPAL,
 108                 .cxoformat = 0x181f0008,
 109         },{
 110                 .name      = "PAL-M",
 111                 .id        = V4L2_STD_PAL_M,
 112                 .cxiformat = VideoFormatPALM,
 113                 .cxoformat = 0x1c1f0008,
 114         },{
 115                 .name      = "PAL-N",
 116                 .id        = V4L2_STD_PAL_N,
 117                 .cxiformat = VideoFormatPALN,
 118                 .cxoformat = 0x1c1f0008,
 119         },{
 120                 .name      = "PAL-Nc",
 121                 .id        = V4L2_STD_PAL_Nc,
 122                 .cxiformat = VideoFormatPALNC,
 123                 .cxoformat = 0x1c1f0008,
 124         },{
 125                 .name      = "PAL-60",
 126                 .id        = V4L2_STD_PAL_60,
 127                 .cxiformat = VideoFormatPAL60,
 128                 .cxoformat = 0x181f0008,
 129         },{
 130                 .name      = "SECAM-L",
 131                 .id        = V4L2_STD_SECAM_L,
 132                 .cxiformat = VideoFormatSECAM,
 133                 .cxoformat = 0x181f0008,
 134         },{
 135                 .name      = "SECAM-DK",
 136                 .id        = V4L2_STD_SECAM_DK,
 137                 .cxiformat = VideoFormatSECAM,
 138                 .cxoformat = 0x181f0008,
 139         }
 140 };
 141
 142 static struct cx8800_fmt formats[] = {
 143         {
 144                 .name     = "8 bpp, gray",
 145                 .fourcc   = V4L2_PIX_FMT_GREY,
 146                 .cxformat = ColorFormatY8,
 147                 .depth    = 8,
 148                 .flags    = FORMAT_FLAGS_PACKED,
 149         },{
 150                 .name     = "15 bpp RGB, le",
 151                 .fourcc   = V4L2_PIX_FMT_RGB555,
 152                 .cxformat = ColorFormatRGB15,
 153                 .depth    = 16,
 154                 .flags    = FORMAT_FLAGS_PACKED,
 155         },{
 156                 .name     = "15 bpp RGB, be",
 157                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 158                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 159                 .depth    = 16,
 160                 .flags    = FORMAT_FLAGS_PACKED,
 161         },{
 162                 .name     = "16 bpp RGB, le",
 163                 .fourcc   = V4L2_PIX_FMT_RGB565,
 164                 .cxformat = ColorFormatRGB16,
 165                 .depth    = 16,
 166                 .flags    = FORMAT_FLAGS_PACKED,
 167         },{
 168                 .name     = "16 bpp RGB, be",
 169                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 170                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 171                 .depth    = 16,
 172                 .flags    = FORMAT_FLAGS_PACKED,
 173         },{
 174                 .name     = "24 bpp RGB, le",
 175                 .fourcc   = V4L2_PIX_FMT_BGR24,
 176                 .cxformat = ColorFormatRGB24,
 177                 .depth    = 24,
 178                 .flags    = FORMAT_FLAGS_PACKED,
 179         },{
 180                 .name     = "32 bpp RGB, le",
 181                 .fourcc   = V4L2_PIX_FMT_BGR32,
 182                 .cxformat = ColorFormatRGB32,
 183                 .depth    = 32,
 184                 .flags    = FORMAT_FLAGS_PACKED,
 185         },{
 186                 .name     = "32 bpp RGB, be",
 187                 .fourcc   = V4L2_PIX_FMT_RGB32,
 188                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 189                 .depth    = 32,
 190                 .flags    = FORMAT_FLAGS_PACKED,
 191         },{
 192                 .name     = "4:2:2, packed, YUYV",
 193                 .fourcc   = V4L2_PIX_FMT_YUYV,
 194                 .cxformat = ColorFormatYUY2,
 195                 .depth    = 16,
 196                 .flags    = FORMAT_FLAGS_PACKED,
 197         },{
 198                 .name     = "4:2:2, packed, UYVY",
 199                 .fourcc   = V4L2_PIX_FMT_UYVY,
 200                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 201                 .depth    = 16,
 202                 .flags    = FORMAT_FLAGS_PACKED,
 203         },
 204 };
 205
 206 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 207 {
 208         unsigned int i;
 209
 210         for (i = 0; i < ARRAY_SIZE(formats); i++)
 211                 if (formats[i].fourcc == fourcc)
 212                         return formats+i;
 213         return NULL;
 214 }
 215
 216 /* ------------------------------------------------------------------- */
 217
 218 static const struct v4l2_queryctrl no_ctl = {
 219         .name  = "42",
 220         .flags = V4L2_CTRL_FLAG_DISABLED,
 221 };
 222
 223 static struct cx88_ctrl cx8800_ctls[] = {
 224         /* --- video --- */
 225         {
 226                 .v = {
 227                         .id            = V4L2_CID_BRIGHTNESS,
 228                         .name          = "Brightness",
 229                         .minimum       = 0x00,
 230                         .maximum       = 0xff,
 231                         .step          = 1,
 232                         .default_value = 0x7f,
 233                         .type          = V4L2_CTRL_TYPE_INTEGER,
 234                 },
 235                 .off                   = 128,
 236                 .reg                   = MO_CONTR_BRIGHT,
 237                 .mask                  = 0x00ff,
 238                 .shift                 = 0,
 239         },{
 240                 .v = {
 241                         .id            = V4L2_CID_CONTRAST,
 242                         .name          = "Contrast",
 243                         .minimum       = 0,
 244                         .maximum       = 0xff,
 245                         .step          = 1,
 246                         .default_value = 0x3f,
 247                         .type          = V4L2_CTRL_TYPE_INTEGER,
 248                 },
 249                 .off                   = 0,
 250                 .reg                   = MO_CONTR_BRIGHT,
 251                 .mask                  = 0xff00,
 252                 .shift                 = 8,
 253         },{
 254                 .v = {
 255                         .id            = V4L2_CID_HUE,
 256                         .name          = "Hue",
 257                         .minimum       = 0,
 258                         .maximum       = 0xff,
 259                         .step          = 1,
 260                         .default_value = 0x7f,
 261                         .type          = V4L2_CTRL_TYPE_INTEGER,
 262                 },
 263                 .off                   = 128,
 264                 .reg                   = MO_HUE,
 265                 .mask                  = 0x00ff,
 266                 .shift                 = 0,
 267         },{
 268                 /* strictly, this only describes only U saturation.
 269                  * V saturation is handled specially through code.
 270                  */
 271                 .v = {
 272                         .id            = V4L2_CID_SATURATION,
 273                         .name          = "Saturation",
 274                         .minimum       = 0,
 275                         .maximum       = 0xff,
 276                         .step          = 1,
 277                         .default_value = 0x7f,
 278                         .type          = V4L2_CTRL_TYPE_INTEGER,
 279                 },
 280                 .off                   = 0,
 281                 .reg                   = MO_UV_SATURATION,
 282                 .mask                  = 0x00ff,
 283                 .shift                 = 0,
 284         },{
 285         /* --- audio --- */
 286                 .v = {
 287                         .id            = V4L2_CID_AUDIO_MUTE,
 288                         .name          = "Mute",
 289                         .minimum       = 0,
 290                         .maximum       = 1,
 291                         .default_value = 1,
 292                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 293                 },
 294                 .reg                   = AUD_VOL_CTL,
 295                 .sreg                  = SHADOW_AUD_VOL_CTL,
 296                 .mask                  = (1 << 6),
 297                 .shift                 = 6,
 298         },{
 299                 .v = {
 300                         .id            = V4L2_CID_AUDIO_VOLUME,
 301                         .name          = "Volume",
 302                         .minimum       = 0,
 303                         .maximum       = 0x3f,
 304                         .step          = 1,
 305                         .default_value = 0x3f,
 306                         .type          = V4L2_CTRL_TYPE_INTEGER,
 307                 },
 308                 .reg                   = AUD_VOL_CTL,
 309                 .sreg                  = SHADOW_AUD_VOL_CTL,
 310                 .mask                  = 0x3f,
 311                 .shift                 = 0,
 312         },{
 313                 .v = {
 314                         .id            = V4L2_CID_AUDIO_BALANCE,
 315                         .name          = "Balance",
 316                         .minimum       = 0,
 317                         .maximum       = 0x7f,
 318                         .step          = 1,
 319                         .default_value = 0x40,
 320                         .type          = V4L2_CTRL_TYPE_INTEGER,
 321                 },
 322                 .reg                   = AUD_BAL_CTL,
 323                 .sreg                  = SHADOW_AUD_BAL_CTL,
 324                 .mask                  = 0x7f,
 325                 .shift                 = 0,
 326         }
 327 };
 328 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 329
 330 /* ------------------------------------------------------------------- */
 331 /* resource management                                                 */
 332
 333 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 334 {
 335         struct cx88_core *core = dev->core;
 336         if (fh->resources & bit)
 337                 /* have it already allocated */
 338                 return 1;
 339
 340         /* is it free? */
 341         mutex_lock(&core->lock);
 342         if (dev->resources & bit) {
 343                 /* no, someone else uses it */
 344                 mutex_unlock(&core->lock);
 345                 return 0;
 346         }
 347         /* it's free, grab it */
 348         fh->resources  |= bit;
 349         dev->resources |= bit;
 350         dprintk(1,"res: get %d\n",bit);
 351         mutex_unlock(&core->lock);
 352         return 1;
 353 }
 354
 355 static
 356 int res_check(struct cx8800_fh *fh, unsigned int bit)
 357 {
 358         return (fh->resources & bit);
 359 }
 360
 361 static
 362 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 363 {
 364         return (dev->resources & bit);
 365 }
 366
 367 static
 368 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 369 {
 370         struct cx88_core *core = dev->core;
 371         BUG_ON((fh->resources & bits) != bits);
 372
 373         mutex_lock(&core->lock);
 374         fh->resources  &= ~bits;
 375         dev->resources &= ~bits;
 376         dprintk(1,"res: put %d\n",bits);
 377         mutex_unlock(&core->lock);
 378 }
 379
 380 /* ------------------------------------------------------------------ */
 381
 382 /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */
 383 static int video_mux(struct cx88_core *core, unsigned int input)
 384 {
 385         /* struct cx88_core *core = dev->core; */
 386
 387         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 388                 input, INPUT(input)->vmux,
 389                 INPUT(input)->gpio0,INPUT(input)->gpio1,
 390                 INPUT(input)->gpio2,INPUT(input)->gpio3);
 391         core->input = input;
 392         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
 393         cx_write(MO_GP3_IO, INPUT(input)->gpio3);
 394         cx_write(MO_GP0_IO, INPUT(input)->gpio0);
 395         cx_write(MO_GP1_IO, INPUT(input)->gpio1);
 396         cx_write(MO_GP2_IO, INPUT(input)->gpio2);
 397
 398         switch (INPUT(input)->type) {
 399         case CX88_VMUX_SVIDEO:
 400                 cx_set(MO_AFECFG_IO,    0x00000001);
 401                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 402                 cx_set(MO_FILTER_EVEN,  0x00002020);
 403                 cx_set(MO_FILTER_ODD,   0x00002020);
 404                 break;
 405         default:
 406                 cx_clear(MO_AFECFG_IO,    0x00000001);
 407                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 408                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 409                 cx_clear(MO_FILTER_ODD,   0x00002020);
 410                 break;
 411         }
 412         return 0;
 413 }
 414
 415 /* ------------------------------------------------------------------ */
 416
 417 static int start_video_dma(struct cx8800_dev    *dev,
 418                            struct cx88_dmaqueue *q,
 419                            struct cx88_buffer   *buf)
 420 {
 421         struct cx88_core *core = dev->core;
 422
 423         /* setup fifo + format */
 424         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 425                                 buf->bpl, buf->risc.dma);
 426         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 427         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 428
 429         /* reset counter */
 430         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 431         q->count = 1;
 432
 433         /* enable irqs */
 434         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
 435
 436         /* Enables corresponding bits at PCI_INT_STAT:
 437                 bits 0 to 4: video, audio, transport stream, VIP, Host
 438                 bit 7: timer
 439                 bits 8 and 9: DMA complete for: SRC, DST
 440                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 441                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 442          */
 443         cx_set(MO_VID_INTMSK, 0x0f0011);
 444
 445         /* enable capture */
 446         cx_set(VID_CAPTURE_CONTROL,0x06);
 447
 448         /* start dma */
 449         cx_set(MO_DEV_CNTRL2, (1<<5));
 450         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 451
 452         return 0;
 453 }
 454
 455 static int stop_video_dma(struct cx8800_dev    *dev)
 456 {
 457         struct cx88_core *core = dev->core;
 458
 459         /* stop dma */
 460         cx_clear(MO_VID_DMACNTRL, 0x11);
 461
 462         /* disable capture */
 463         cx_clear(VID_CAPTURE_CONTROL,0x06);
 464
 465         /* disable irqs */
 466         cx_clear(MO_PCI_INTMSK, 0x000001);
 467         cx_clear(MO_VID_INTMSK, 0x0f0011);
 468         return 0;
 469 }
 470
 471 static int restart_video_queue(struct cx8800_dev    *dev,
 472                                struct cx88_dmaqueue *q)
 473 {
 474         struct cx88_core *core = dev->core;
 475         struct cx88_buffer *buf, *prev;
 476         struct list_head *item;
 477
 478         if (!list_empty(&q->active)) {
 479                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 480                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 481                         buf, buf->vb.i);
 482                 start_video_dma(dev, q, buf);
 483                 list_for_each(item,&q->active) {
 484                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 485                         buf->count    = q->count++;
 486                 }
 487                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 488                 return 0;
 489         }
 490
 491         prev = NULL;
 492         for (;;) {
 493                 if (list_empty(&q->queued))
 494                         return 0;
 495                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 496                 if (NULL == prev) {
 497                         list_move_tail(&buf->vb.queue, &q->active);
 498                         start_video_dma(dev, q, buf);
 499                         buf->vb.state = STATE_ACTIVE;
 500                         buf->count    = q->count++;
 501                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 502                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 503                                 buf,buf->vb.i);
 504
 505                 } else if (prev->vb.width  == buf->vb.width  &&
 506                            prev->vb.height == buf->vb.height &&
 507                            prev->fmt       == buf->fmt) {
 508                         list_move_tail(&buf->vb.queue, &q->active);
 509                         buf->vb.state = STATE_ACTIVE;
 510                         buf->count    = q->count++;
 511                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 512                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 513                                 buf,buf->vb.i);
 514                 } else {
 515                         return 0;
 516                 }
 517                 prev = buf;
 518         }
 519 }
 520
 521 /* ------------------------------------------------------------------ */
 522
 523 static int
 524 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 525 {
 526         struct cx8800_fh *fh = q->priv_data;
 527
 528         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 529         if (0 == *count)
 530                 *count = 32;
 531         while (*size * *count > vid_limit * 1024 * 1024)
 532                 (*count)--;
 533         return 0;
 534 }
 535
 536 static int
 537 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 538                enum v4l2_field field)
 539 {
 540         struct cx8800_fh   *fh  = q->priv_data;
 541         struct cx8800_dev  *dev = fh->dev;
 542         struct cx88_core *core = dev->core;
 543         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 544         int rc, init_buffer = 0;
 545
 546         BUG_ON(NULL == fh->fmt);
 547         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 548             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 549                 return -EINVAL;
 550         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 551         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 552                 return -EINVAL;
 553
 554         if (buf->fmt       != fh->fmt    ||
 555             buf->vb.width  != fh->width  ||
 556             buf->vb.height != fh->height ||
 557             buf->vb.field  != field) {
 558                 buf->fmt       = fh->fmt;
 559                 buf->vb.width  = fh->width;
 560                 buf->vb.height = fh->height;
 561                 buf->vb.field  = field;
 562                 init_buffer = 1;
 563         }
 564
 565         if (STATE_NEEDS_INIT == buf->vb.state) {
 566                 init_buffer = 1;
 567                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 568                         goto fail;
 569         }
 570
 571         if (init_buffer) {
 572                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 573                 switch (buf->vb.field) {
 574                 case V4L2_FIELD_TOP:
 575                         cx88_risc_buffer(dev->pci, &buf->risc,
 576                                          buf->vb.dma.sglist, 0, UNSET,
 577                                          buf->bpl, 0, buf->vb.height);
 578                         break;
 579                 case V4L2_FIELD_BOTTOM:
 580                         cx88_risc_buffer(dev->pci, &buf->risc,
 581                                          buf->vb.dma.sglist, UNSET, 0,
 582                                          buf->bpl, 0, buf->vb.height);
 583                         break;
 584                 case V4L2_FIELD_INTERLACED:
 585                         cx88_risc_buffer(dev->pci, &buf->risc,
 586                                          buf->vb.dma.sglist, 0, buf->bpl,
 587                                          buf->bpl, buf->bpl,
 588                                          buf->vb.height >> 1);
 589                         break;
 590                 case V4L2_FIELD_SEQ_TB:
 591                         cx88_risc_buffer(dev->pci, &buf->risc,
 592                                          buf->vb.dma.sglist,
 593                                          0, buf->bpl * (buf->vb.height >> 1),
 594                                          buf->bpl, 0,
 595                                          buf->vb.height >> 1);
 596                         break;
 597                 case V4L2_FIELD_SEQ_BT:
 598                         cx88_risc_buffer(dev->pci, &buf->risc,
 599                                          buf->vb.dma.sglist,
 600                                          buf->bpl * (buf->vb.height >> 1), 0,
 601                                          buf->bpl, 0,
 602                                          buf->vb.height >> 1);
 603                         break;
 604                 default:
 605                         BUG();
 606                 }
 607         }
 608         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 609                 buf, buf->vb.i,
 610                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 611                 (unsigned long)buf->risc.dma);
 612
 613         buf->vb.state = STATE_PREPARED;
 614         return 0;
 615
 616  fail:
 617         cx88_free_buffer(q,buf);
 618         return rc;
 619 }
 620
 621 static void
 622 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 623 {
 624         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 625         struct cx88_buffer    *prev;
 626         struct cx8800_fh      *fh   = vq->priv_data;
 627         struct cx8800_dev     *dev  = fh->dev;
 628         struct cx88_core      *core = dev->core;
 629         struct cx88_dmaqueue  *q    = &dev->vidq;
 630
 631         /* add jump to stopper */
 632         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 633         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 634
 635         if (!list_empty(&q->queued)) {
 636                 list_add_tail(&buf->vb.queue,&q->queued);
 637                 buf->vb.state = STATE_QUEUED;
 638                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 639                         buf, buf->vb.i);
 640
 641         } else if (list_empty(&q->active)) {
 642                 list_add_tail(&buf->vb.queue,&q->active);
 643                 start_video_dma(dev, q, buf);
 644                 buf->vb.state = STATE_ACTIVE;
 645                 buf->count    = q->count++;
 646                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 647                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 648                         buf, buf->vb.i);
 649
 650         } else {
 651                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 652                 if (prev->vb.width  == buf->vb.width  &&
 653                     prev->vb.height == buf->vb.height &&
 654                     prev->fmt       == buf->fmt) {
 655                         list_add_tail(&buf->vb.queue,&q->active);
 656                         buf->vb.state = STATE_ACTIVE;
 657                         buf->count    = q->count++;
 658                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 659                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 660                                 buf, buf->vb.i);
 661
 662                 } else {
 663                         list_add_tail(&buf->vb.queue,&q->queued);
 664                         buf->vb.state = STATE_QUEUED;
 665                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 666                                 buf, buf->vb.i);
 667                 }
 668         }
 669 }
 670
 671 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 672 {
 673         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 674
 675         cx88_free_buffer(q,buf);
 676 }
 677
 678 static struct videobuf_queue_ops cx8800_video_qops = {
 679         .buf_setup    = buffer_setup,
 680         .buf_prepare  = buffer_prepare,
 681         .buf_queue    = buffer_queue,
 682         .buf_release  = buffer_release,
 683 };
 684
 685 /* ------------------------------------------------------------------ */
 686
 687
 688 /* ------------------------------------------------------------------ */
 689
 690 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 691 {
 692         switch (fh->type) {
 693         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 694                 return &fh->vidq;
 695         case V4L2_BUF_TYPE_VBI_CAPTURE:
 696                 return &fh->vbiq;
 697         default:
 698                 BUG();
 699                 return NULL;
 700         }
 701 }
 702
 703 static int get_ressource(struct cx8800_fh *fh)
 704 {
 705         switch (fh->type) {
 706         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 707                 return RESOURCE_VIDEO;
 708         case V4L2_BUF_TYPE_VBI_CAPTURE:
 709                 return RESOURCE_VBI;
 710         default:
 711                 BUG();
 712                 return 0;
 713         }
 714 }
 715
 716 static int video_open(struct inode *inode, struct file *file)
 717 {
 718         int minor = iminor(inode);
 719         struct cx8800_dev *h,*dev = NULL;
 720         struct cx88_core *core;
 721         struct cx8800_fh *fh;
 722         struct list_head *list;
 723         enum v4l2_buf_type type = 0;
 724         int radio = 0;
 725
 726         list_for_each(list,&cx8800_devlist) {
 727                 h = list_entry(list, struct cx8800_dev, devlist);
 728                 if (h->video_dev->minor == minor) {
 729                         dev  = h;
 730                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 731                 }
 732                 if (h->vbi_dev->minor == minor) {
 733                         dev  = h;
 734                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 735                 }
 736                 if (h->radio_dev &&
 737                     h->radio_dev->minor == minor) {
 738                         radio = 1;
 739                         dev   = h;
 740                 }
 741         }
 742         if (NULL == dev)
 743                 return -ENODEV;
 744
 745         core = dev->core;
 746
 747         dprintk(1,"open minor=%d radio=%d type=%s\n",
 748                 minor,radio,v4l2_type_names[type]);
 749
 750         /* allocate + initialize per filehandle data */
 751         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 752         if (NULL == fh)
 753                 return -ENOMEM;
 754         file->private_data = fh;
 755         fh->dev      = dev;
 756         fh->radio    = radio;
 757         fh->type     = type;
 758         fh->width    = 320;
 759         fh->height   = 240;
 760         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 761
 762         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
 763                             dev->pci, &dev->slock,
 764                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 765                             V4L2_FIELD_INTERLACED,
 766                             sizeof(struct cx88_buffer),
 767                             fh);
 768         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 769                             dev->pci, &dev->slock,
 770                             V4L2_BUF_TYPE_VBI_CAPTURE,
 771                             V4L2_FIELD_SEQ_TB,
 772                             sizeof(struct cx88_buffer),
 773                             fh);
 774
 775         if (fh->radio) {
 776                 int board = core->board;
 777                 dprintk(1,"video_open: setting radio device\n");
 778                 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
 779                 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
 780                 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
 781                 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
 782                 core->tvaudio = WW_FM;
 783                 cx88_set_tvaudio(core);
 784                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 785                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 786         }
 787
 788         return 0;
 789 }
 790
 791 static ssize_t
 792 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 793 {
 794         struct cx8800_fh *fh = file->private_data;
 795
 796         switch (fh->type) {
 797         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 798                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 799                         return -EBUSY;
 800                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 801                                          file->f_flags & O_NONBLOCK);
 802         case V4L2_BUF_TYPE_VBI_CAPTURE:
 803                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 804                         return -EBUSY;
 805                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 806                                             file->f_flags & O_NONBLOCK);
 807         default:
 808                 BUG();
 809                 return 0;
 810         }
 811 }
 812
 813 static unsigned int
 814 video_poll(struct file *file, struct poll_table_struct *wait)
 815 {
 816         struct cx8800_fh *fh = file->private_data;
 817         struct cx88_buffer *buf;
 818
 819         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 820                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 821                         return POLLERR;
 822                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 823         }
 824
 825         if (res_check(fh,RESOURCE_VIDEO)) {
 826                 /* streaming capture */
 827                 if (list_empty(&fh->vidq.stream))
 828                         return POLLERR;
 829                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 830         } else {
 831                 /* read() capture */
 832                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 833                 if (NULL == buf)
 834                         return POLLERR;
 835         }
 836         poll_wait(file, &buf->vb.done, wait);
 837         if (buf->vb.state == STATE_DONE ||
 838             buf->vb.state == STATE_ERROR)
 839                 return POLLIN|POLLRDNORM;
 840         return 0;
 841 }
 842
 843 static int video_release(struct inode *inode, struct file *file)
 844 {
 845         struct cx8800_fh  *fh  = file->private_data;
 846         struct cx8800_dev *dev = fh->dev;
 847
 848         /* turn off overlay */
 849         if (res_check(fh, RESOURCE_OVERLAY)) {
 850                 /* FIXME */
 851                 res_free(dev,fh,RESOURCE_OVERLAY);
 852         }
 853
 854         /* stop video capture */
 855         if (res_check(fh, RESOURCE_VIDEO)) {
 856                 videobuf_queue_cancel(&fh->vidq);
 857                 res_free(dev,fh,RESOURCE_VIDEO);
 858         }
 859         if (fh->vidq.read_buf) {
 860                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 861                 kfree(fh->vidq.read_buf);
 862         }
 863
 864         /* stop vbi capture */
 865         if (res_check(fh, RESOURCE_VBI)) {
 866                 if (fh->vbiq.streaming)
 867                         videobuf_streamoff(&fh->vbiq);
 868                 if (fh->vbiq.reading)
 869                         videobuf_read_stop(&fh->vbiq);
 870                 res_free(dev,fh,RESOURCE_VBI);
 871         }
 872
 873         videobuf_mmap_free(&fh->vidq);
 874         videobuf_mmap_free(&fh->vbiq);
 875         file->private_data = NULL;
 876         kfree(fh);
 877
 878         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 879
 880         return 0;
 881 }
 882
 883 static int
 884 video_mmap(struct file *file, struct vm_area_struct * vma)
 885 {
 886         struct cx8800_fh *fh = file->private_data;
 887
 888         return videobuf_mmap_mapper(get_queue(fh), vma);
 889 }
 890
 891 /* ------------------------------------------------------------------ */
 892
 893 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 894 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
 895 {
 896         /* struct cx88_core *core = dev->core; */
 897         struct cx88_ctrl *c = NULL;
 898         u32 value;
 899         int i;
 900
 901         for (i = 0; i < CX8800_CTLS; i++)
 902                 if (cx8800_ctls[i].v.id == ctl->id)
 903                         c = &cx8800_ctls[i];
 904         if (NULL == c)
 905                 return -EINVAL;
 906
 907         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 908         switch (ctl->id) {
 909         case V4L2_CID_AUDIO_BALANCE:
 910                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 911                                         : (0x7f - (value & 0x7f));
 912                 break;
 913         case V4L2_CID_AUDIO_VOLUME:
 914                 ctl->value = 0x3f - (value & 0x3f);
 915                 break;
 916         default:
 917                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 918                 break;
 919         }
 920         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 921                                 ctl->id, c->v.name, ctl->value, c->reg,
 922                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 923         return 0;
 924 }
 925
 926 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 927 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
 928 {
 929         /* struct cx88_core *core = dev->core; */
 930         struct cx88_ctrl *c = NULL;
 931         u32 value,mask;
 932         int i;
 933         for (i = 0; i < CX8800_CTLS; i++) {
 934                 if (cx8800_ctls[i].v.id == ctl->id) {
 935                         c = &cx8800_ctls[i];
 936                 }
 937         }
 938         if (NULL == c)
 939                 return -EINVAL;
 940
 941         if (ctl->value < c->v.minimum)
 942                 ctl->value = c->v.minimum;
 943         if (ctl->value > c->v.maximum)
 944                 ctl->value = c->v.maximum;
 945         mask=c->mask;
 946         switch (ctl->id) {
 947         case V4L2_CID_AUDIO_BALANCE:
 948                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 949                 break;
 950         case V4L2_CID_AUDIO_VOLUME:
 951                 value = 0x3f - (ctl->value & 0x3f);
 952                 break;
 953         case V4L2_CID_SATURATION:
 954                 /* special v_sat handling */
 955
 956                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 957
 958                 if (core->tvnorm->id & V4L2_STD_SECAM) {
 959                         /* For SECAM, both U and V sat should be equal */
 960                         value=value<<8|value;
 961                 } else {
 962                         /* Keeps U Saturation proportional to V Sat */
 963                         value=(value*0x5a)/0x7f<<8|value;
 964                 }
 965                 mask=0xffff;
 966                 break;
 967         default:
 968                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 969                 break;
 970         }
 971         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 972                                 ctl->id, c->v.name, ctl->value, c->reg, value,
 973                                 mask, c->sreg ? " [shadowed]" : "");
 974         if (c->sreg) {
 975                 cx_sandor(c->sreg, c->reg, mask, value);
 976         } else {
 977                 cx_andor(c->reg, mask, value);
 978         }
 979         return 0;
 980 }
 981
 982 static void init_controls(struct cx88_core *core)
 983 {
 984         struct v4l2_control ctrl;
 985         int i;
 986
 987         for (i = 0; i < CX8800_CTLS; i++) {
 988                 ctrl.id=cx8800_ctls[i].v.id;
 989                 ctrl.value=cx8800_ctls[i].v.default_value;
 990                 set_control(core, &ctrl);
 991         }
 992 }
 993
 994 /* ------------------------------------------------------------------ */
 995
 996 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
 997                         struct v4l2_format *f)
 998 {
 999         switch (f->type) {
1000         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1001                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1002                 f->fmt.pix.width        = fh->width;
1003                 f->fmt.pix.height       = fh->height;
1004                 f->fmt.pix.field        = fh->vidq.field;
1005                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1006                 f->fmt.pix.bytesperline =
1007                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1008                 f->fmt.pix.sizeimage =
1009                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1010                 return 0;
1011         case V4L2_BUF_TYPE_VBI_CAPTURE:
1012                 cx8800_vbi_fmt(dev, f);
1013                 return 0;
1014         default:
1015                 return -EINVAL;
1016         }
1017 }
1018
1019 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1020                           struct v4l2_format *f)
1021 {
1022         struct cx88_core *core = dev->core;
1023
1024         switch (f->type) {
1025         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1026         {
1027                 struct cx8800_fmt *fmt;
1028                 enum v4l2_field field;
1029                 unsigned int maxw, maxh;
1030
1031                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1032                 if (NULL == fmt)
1033                         return -EINVAL;
1034
1035                 field = f->fmt.pix.field;
1036                 maxw  = norm_maxw(core->tvnorm);
1037                 maxh  = norm_maxh(core->tvnorm);
1038
1039                 if (V4L2_FIELD_ANY == field) {
1040                         field = (f->fmt.pix.height > maxh/2)
1041                                 ? V4L2_FIELD_INTERLACED
1042                                 : V4L2_FIELD_BOTTOM;
1043                 }
1044
1045                 switch (field) {
1046                 case V4L2_FIELD_TOP:
1047                 case V4L2_FIELD_BOTTOM:
1048                         maxh = maxh / 2;
1049                         break;
1050                 case V4L2_FIELD_INTERLACED:
1051                         break;
1052                 default:
1053                         return -EINVAL;
1054                 }
1055
1056                 f->fmt.pix.field = field;
1057                 if (f->fmt.pix.height < 32)
1058                         f->fmt.pix.height = 32;
1059                 if (f->fmt.pix.height > maxh)
1060                         f->fmt.pix.height = maxh;
1061                 if (f->fmt.pix.width < 48)
1062                         f->fmt.pix.width = 48;
1063                 if (f->fmt.pix.width > maxw)
1064                         f->fmt.pix.width = maxw;
1065                 f->fmt.pix.width &= ~0x03;
1066                 f->fmt.pix.bytesperline =
1067                         (f->fmt.pix.width * fmt->depth) >> 3;
1068                 f->fmt.pix.sizeimage =
1069                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1070
1071                 return 0;
1072         }
1073         case V4L2_BUF_TYPE_VBI_CAPTURE:
1074                 cx8800_vbi_fmt(dev, f);
1075                 return 0;
1076         default:
1077                 return -EINVAL;
1078         }
1079 }
1080
1081 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1082                         struct v4l2_format *f)
1083 {
1084         int err;
1085
1086         switch (f->type) {
1087         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1088                 err = cx8800_try_fmt(dev,fh,f);
1089                 if (0 != err)
1090                         return err;
1091
1092                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1093                 fh->width      = f->fmt.pix.width;
1094                 fh->height     = f->fmt.pix.height;
1095                 fh->vidq.field = f->fmt.pix.field;
1096                 return 0;
1097         case V4L2_BUF_TYPE_VBI_CAPTURE:
1098                 cx8800_vbi_fmt(dev, f);
1099                 return 0;
1100         default:
1101                 return -EINVAL;
1102         }
1103 }
1104
1105 /*
1106  * This function is _not_ called directly, but from
1107  * video_generic_ioctl (and maybe others).  userspace
1108  * copying is done already, arg is a kernel pointer.
1109  */
1110 static int video_do_ioctl(struct inode *inode, struct file *file,
1111                           unsigned int cmd, void *arg)
1112 {
1113         struct cx8800_fh  *fh   = file->private_data;
1114         struct cx8800_dev *dev  = fh->dev;
1115         struct cx88_core  *core = dev->core;
1116         int err;
1117
1118         if (video_debug > 1)
1119                 v4l_print_ioctl(core->name,cmd);
1120         switch (cmd) {
1121
1122         /* --- capabilities ------------------------------------------ */
1123         case VIDIOC_QUERYCAP:
1124         {
1125                 struct v4l2_capability *cap = arg;
1126
1127                 memset(cap,0,sizeof(*cap));
1128                 strcpy(cap->driver, "cx8800");
1129                 strlcpy(cap->card, cx88_boards[core->board].name,
1130                         sizeof(cap->card));
1131                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1132                 cap->version = CX88_VERSION_CODE;
1133                 cap->capabilities =
1134                         V4L2_CAP_VIDEO_CAPTURE |
1135                         V4L2_CAP_READWRITE     |
1136                         V4L2_CAP_STREAMING     |
1137                         V4L2_CAP_VBI_CAPTURE   |
1138                         V4L2_CAP_VIDEO_OVERLAY |
1139                         0;
1140                 if (UNSET != core->tuner_type)
1141                         cap->capabilities |= V4L2_CAP_TUNER;
1142                 return 0;
1143         }
1144
1145         /* --- capture ioctls ---------------------------------------- */
1146         case VIDIOC_ENUM_FMT:
1147         {
1148                 struct v4l2_fmtdesc *f = arg;
1149                 enum v4l2_buf_type type;
1150                 unsigned int index;
1151
1152                 index = f->index;
1153                 type  = f->type;
1154                 switch (type) {
1155                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1156                         if (index >= ARRAY_SIZE(formats))
1157                                 return -EINVAL;
1158                         memset(f,0,sizeof(*f));
1159                         f->index = index;
1160                         f->type  = type;
1161                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1162                         f->pixelformat = formats[index].fourcc;
1163                         break;
1164                 default:
1165                         return -EINVAL;
1166                 }
1167                 return 0;
1168         }
1169         case VIDIOC_G_FMT:
1170         {
1171                 struct v4l2_format *f = arg;
1172                 return cx8800_g_fmt(dev,fh,f);
1173         }
1174         case VIDIOC_S_FMT:
1175         {
1176                 struct v4l2_format *f = arg;
1177                 return cx8800_s_fmt(dev,fh,f);
1178         }
1179         case VIDIOC_TRY_FMT:
1180         {
1181                 struct v4l2_format *f = arg;
1182                 return cx8800_try_fmt(dev,fh,f);
1183         }
1184 #ifdef HAVE_V4L1
1185         /* --- streaming capture ------------------------------------- */
1186         case VIDIOCGMBUF:
1187         {
1188                 struct video_mbuf *mbuf = arg;
1189                 struct videobuf_queue *q;
1190                 struct v4l2_requestbuffers req;
1191                 unsigned int i;
1192
1193                 q = get_queue(fh);
1194                 memset(&req,0,sizeof(req));
1195                 req.type   = q->type;
1196                 req.count  = 8;
1197                 req.memory = V4L2_MEMORY_MMAP;
1198                 err = videobuf_reqbufs(q,&req);
1199                 if (err < 0)
1200                         return err;
1201                 memset(mbuf,0,sizeof(*mbuf));
1202                 mbuf->frames = req.count;
1203                 mbuf->size   = 0;
1204                 for (i = 0; i < mbuf->frames; i++) {
1205                         mbuf->offsets[i]  = q->bufs[i]->boff;
1206                         mbuf->size       += q->bufs[i]->bsize;
1207                 }
1208                 return 0;
1209         }
1210 #endif
1211         case VIDIOC_REQBUFS:
1212                 return videobuf_reqbufs(get_queue(fh), arg);
1213
1214         case VIDIOC_QUERYBUF:
1215                 return videobuf_querybuf(get_queue(fh), arg);
1216
1217         case VIDIOC_QBUF:
1218                 return videobuf_qbuf(get_queue(fh), arg);
1219
1220         case VIDIOC_DQBUF:
1221                 return videobuf_dqbuf(get_queue(fh), arg,
1222                                         file->f_flags & O_NONBLOCK);
1223
1224         case VIDIOC_STREAMON:
1225         {
1226                 int res = get_ressource(fh);
1227
1228                 if (!res_get(dev,fh,res))
1229                         return -EBUSY;
1230                 return videobuf_streamon(get_queue(fh));
1231         }
1232         case VIDIOC_STREAMOFF:
1233         {
1234                 int res = get_ressource(fh);
1235
1236                 err = videobuf_streamoff(get_queue(fh));
1237                 if (err < 0)
1238                         return err;
1239                 res_free(dev,fh,res);
1240                 return 0;
1241         }
1242         default:
1243                 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1244         }
1245         return 0;
1246 }
1247
1248 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1249                   struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1250 {
1251         int err;
1252
1253        if (video_debug) {
1254                if (video_debug > 1) {
1255                        if (_IOC_DIR(cmd) & _IOC_WRITE)
1256                                v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
1257                        else if (!_IOC_DIR(cmd) & _IOC_READ) {
1258                                v4l_print_ioctl("cx88", cmd);
1259                        }
1260                } else
1261                        v4l_print_ioctl(core->name,cmd);
1262
1263        }
1264
1265         switch (cmd) {
1266         /* ---------- tv norms ---------- */
1267         case VIDIOC_ENUMSTD:
1268         {
1269                 struct v4l2_standard *e = arg;
1270                 unsigned int i;
1271
1272                 i = e->index;
1273                 if (i >= ARRAY_SIZE(tvnorms))
1274                         return -EINVAL;
1275                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1276                                                tvnorms[e->index].name);
1277                 e->index = i;
1278                 if (err < 0)
1279                         return err;
1280                 return 0;
1281         }
1282         case VIDIOC_G_STD:
1283         {
1284                 v4l2_std_id *id = arg;
1285
1286                 *id = core->tvnorm->id;
1287                 return 0;
1288         }
1289         case VIDIOC_S_STD:
1290         {
1291                 v4l2_std_id *id = arg;
1292                 unsigned int i;
1293
1294                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1295                         if (*id & tvnorms[i].id)
1296                                 break;
1297                 if (i == ARRAY_SIZE(tvnorms))
1298                         return -EINVAL;
1299
1300                 mutex_lock(&core->lock);
1301                 cx88_set_tvnorm(core,&tvnorms[i]);
1302                 mutex_unlock(&core->lock);
1303                 return 0;
1304         }
1305
1306         /* ------ input switching ---------- */
1307         case VIDIOC_ENUMINPUT:
1308         {
1309                 static const char *iname[] = {
1310                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1311                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1312                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1313                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1314                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1315                         [ CX88_VMUX_TELEVISION ] = "Television",
1316                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1317                         [ CX88_VMUX_DVB        ] = "DVB",
1318                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1319                 };
1320                 struct v4l2_input *i = arg;
1321                 unsigned int n;
1322
1323                 n = i->index;
1324                 if (n >= 4)
1325                         return -EINVAL;
1326                 if (0 == INPUT(n)->type)
1327                         return -EINVAL;
1328                 memset(i,0,sizeof(*i));
1329                 i->index = n;
1330                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1331                 strcpy(i->name,iname[INPUT(n)->type]);
1332                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1333                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1334                         i->type = V4L2_INPUT_TYPE_TUNER;
1335                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1336                         i->std |= tvnorms[n].id;
1337                 return 0;
1338         }
1339         case VIDIOC_G_INPUT:
1340         {
1341                 unsigned int *i = arg;
1342
1343                 *i = core->input;
1344                 return 0;
1345         }
1346         case VIDIOC_S_INPUT:
1347         {
1348                 unsigned int *i = arg;
1349
1350                 if (*i >= 4)
1351                         return -EINVAL;
1352                 mutex_lock(&core->lock);
1353                 cx88_newstation(core);
1354                 video_mux(core,*i);
1355                 mutex_unlock(&core->lock);
1356                 return 0;
1357         }
1358
1359
1360
1361         /* --- controls ---------------------------------------------- */
1362         case VIDIOC_QUERYCTRL:
1363         {
1364                 struct v4l2_queryctrl *c = arg;
1365                 int i;
1366
1367                 if (c->id <  V4L2_CID_BASE ||
1368                     c->id >= V4L2_CID_LASTP1)
1369                         return -EINVAL;
1370                 for (i = 0; i < CX8800_CTLS; i++)
1371                         if (cx8800_ctls[i].v.id == c->id)
1372                                 break;
1373                 if (i == CX8800_CTLS) {
1374                         *c = no_ctl;
1375                         return 0;
1376                 }
1377                 *c = cx8800_ctls[i].v;
1378                 return 0;
1379         }
1380         case VIDIOC_G_CTRL:
1381                 return get_control(core,arg);
1382         case VIDIOC_S_CTRL:
1383                 return set_control(core,arg);
1384
1385         /* --- tuner ioctls ------------------------------------------ */
1386         case VIDIOC_G_TUNER:
1387         {
1388                 struct v4l2_tuner *t = arg;
1389                 u32 reg;
1390
1391                 if (UNSET == core->tuner_type)
1392                         return -EINVAL;
1393                 if (0 != t->index)
1394                         return -EINVAL;
1395
1396                 memset(t,0,sizeof(*t));
1397                 strcpy(t->name, "Television");
1398                 t->type       = V4L2_TUNER_ANALOG_TV;
1399                 t->capability = V4L2_TUNER_CAP_NORM;
1400                 t->rangehigh  = 0xffffffffUL;
1401
1402                 cx88_get_stereo(core ,t);
1403                 reg = cx_read(MO_DEVICE_STATUS);
1404                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1405                 return 0;
1406         }
1407         case VIDIOC_S_TUNER:
1408         {
1409                 struct v4l2_tuner *t = arg;
1410
1411                 if (UNSET == core->tuner_type)
1412                         return -EINVAL;
1413                 if (0 != t->index)
1414                         return -EINVAL;
1415                 cx88_set_stereo(core, t->audmode, 1);
1416                 return 0;
1417         }
1418         case VIDIOC_G_FREQUENCY:
1419         {
1420                 struct v4l2_frequency *f = arg;
1421
1422                 memset(f,0,sizeof(*f));
1423
1424                 if (UNSET == core->tuner_type)
1425                         return -EINVAL;
1426
1427                 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1428                 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1429                 f->frequency = core->freq;
1430
1431                 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1432
1433                 return 0;
1434         }
1435         case VIDIOC_S_FREQUENCY:
1436         {
1437                 struct v4l2_frequency *f = arg;
1438
1439                 if (UNSET == core->tuner_type)
1440                         return -EINVAL;
1441                 if (f->tuner != 0)
1442                         return -EINVAL;
1443                 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1444                         return -EINVAL;
1445                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1446                         return -EINVAL;
1447                 mutex_lock(&core->lock);
1448                 core->freq = f->frequency;
1449                 cx88_newstation(core);
1450                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1451
1452                 /* When changing channels it is required to reset TVAUDIO */
1453                 msleep (10);
1454                 cx88_set_tvaudio(core);
1455
1456                 mutex_unlock(&core->lock);
1457                 return 0;
1458         }
1459
1460         default:
1461                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1462                                                   driver_ioctl);
1463         }
1464         return 0;
1465 }
1466
1467 static int video_ioctl(struct inode *inode, struct file *file,
1468                        unsigned int cmd, unsigned long arg)
1469 {
1470        int retval;
1471
1472        retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1473
1474        if (video_debug > 1) {
1475                if (retval < 0) {
1476                        v4l_print_ioctl("cx88(err)", cmd);
1477                        printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval);
1478                } else if (_IOC_DIR(cmd) & _IOC_READ)
1479                        v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg);
1480        }
1481
1482        return retval;
1483 }
1484
1485 /* ----------------------------------------------------------- */
1486
1487 static int radio_do_ioctl(struct inode *inode, struct file *file,
1488                         unsigned int cmd, void *arg)
1489 {
1490         struct cx8800_fh *fh    = file->private_data;
1491         struct cx8800_dev *dev  = fh->dev;
1492         struct cx88_core  *core = dev->core;
1493
1494         if (video_debug > 1)
1495                 v4l_print_ioctl(core->name,cmd);
1496
1497         switch (cmd) {
1498         case VIDIOC_QUERYCAP:
1499         {
1500                 struct v4l2_capability *cap = arg;
1501
1502                 memset(cap,0,sizeof(*cap));
1503                 strcpy(cap->driver, "cx8800");
1504                 strlcpy(cap->card, cx88_boards[core->board].name,
1505                         sizeof(cap->card));
1506                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1507                 cap->version = CX88_VERSION_CODE;
1508                 cap->capabilities = V4L2_CAP_TUNER;
1509                 return 0;
1510         }
1511         case VIDIOC_G_TUNER:
1512         {
1513                 struct v4l2_tuner *t = arg;
1514
1515                 if (t->index > 0)
1516                         return -EINVAL;
1517
1518                 memset(t,0,sizeof(*t));
1519                 strcpy(t->name, "Radio");
1520                 t->type = V4L2_TUNER_RADIO;
1521
1522                 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1523                 return 0;
1524         }
1525         case VIDIOC_ENUMINPUT:
1526         {
1527                 struct v4l2_input *i = arg;
1528
1529                 if (i->index != 0)
1530                         return -EINVAL;
1531                 strcpy(i->name,"Radio");
1532                 i->type = V4L2_INPUT_TYPE_TUNER;
1533                 return 0;
1534         }
1535         case VIDIOC_G_INPUT:
1536         {
1537                 int *i = arg;
1538                 *i = 0;
1539                 return 0;
1540         }
1541         case VIDIOC_G_AUDIO:
1542         {
1543                 struct v4l2_audio *a = arg;
1544
1545                 memset(a,0,sizeof(*a));
1546                 strcpy(a->name,"Radio");
1547                 return 0;
1548         }
1549         case VIDIOC_G_STD:
1550         {
1551                 v4l2_std_id *id = arg;
1552                 *id = 0;
1553                 return 0;
1554         }
1555 #ifdef HAVE_V4L1
1556         case VIDIOCSTUNER:
1557         {
1558                 struct video_tuner *v = arg;
1559
1560                 if (v->tuner) /* Only tuner 0 */
1561                         return -EINVAL;
1562
1563                 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1564                 return 0;
1565         }
1566 #endif
1567         case VIDIOC_S_TUNER:
1568         {
1569                 struct v4l2_tuner *t = arg;
1570
1571                 if (0 != t->index)
1572                         return -EINVAL;
1573
1574                 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1575
1576                 return 0;
1577         }
1578
1579         case VIDIOC_S_AUDIO:
1580         case VIDIOC_S_INPUT:
1581         case VIDIOC_S_STD:
1582                 return 0;
1583
1584         case VIDIOC_QUERYCTRL:
1585         {
1586                 struct v4l2_queryctrl *c = arg;
1587                 int i;
1588
1589                 if (c->id <  V4L2_CID_BASE ||
1590                     c->id >= V4L2_CID_LASTP1)
1591                         return -EINVAL;
1592                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1593                         for (i = 0; i < CX8800_CTLS; i++)
1594                                 if (cx8800_ctls[i].v.id == c->id)
1595                                         break;
1596                         *c = cx8800_ctls[i].v;
1597                 } else
1598                         *c = no_ctl;
1599                 return 0;
1600         }
1601
1602
1603         case VIDIOC_G_CTRL:
1604         case VIDIOC_S_CTRL:
1605         case VIDIOC_G_FREQUENCY:
1606         case VIDIOC_S_FREQUENCY:
1607                 return video_do_ioctl(inode,file,cmd,arg);
1608
1609         default:
1610                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1611                                                   radio_do_ioctl);
1612         }
1613         return 0;
1614 };
1615
1616 static int radio_ioctl(struct inode *inode, struct file *file,
1617                         unsigned int cmd, unsigned long arg)
1618 {
1619         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1620 };
1621
1622 /* ----------------------------------------------------------- */
1623
1624 static void cx8800_vid_timeout(unsigned long data)
1625 {
1626         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1627         struct cx88_core *core = dev->core;
1628         struct cx88_dmaqueue *q = &dev->vidq;
1629         struct cx88_buffer *buf;
1630         unsigned long flags;
1631
1632         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1633
1634         cx_clear(MO_VID_DMACNTRL, 0x11);
1635         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1636
1637         spin_lock_irqsave(&dev->slock,flags);
1638         while (!list_empty(&q->active)) {
1639                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1640                 list_del(&buf->vb.queue);
1641                 buf->vb.state = STATE_ERROR;
1642                 wake_up(&buf->vb.done);
1643                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1644                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1645         }
1646         restart_video_queue(dev,q);
1647         spin_unlock_irqrestore(&dev->slock,flags);
1648 }
1649
1650 static char *cx88_vid_irqs[32] = {
1651         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1652         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1653         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1654         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1655         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1656 };
1657
1658 static void cx8800_vid_irq(struct cx8800_dev *dev)
1659 {
1660         struct cx88_core *core = dev->core;
1661         u32 status, mask, count;
1662
1663         status = cx_read(MO_VID_INTSTAT);
1664         mask   = cx_read(MO_VID_INTMSK);
1665         if (0 == (status & mask))
1666                 return;
1667         cx_write(MO_VID_INTSTAT, status);
1668         if (irq_debug  ||  (status & mask & ~0xff))
1669                 cx88_print_irqbits(core->name, "irq vid",
1670                                    cx88_vid_irqs, status, mask);
1671
1672         /* risc op code error */
1673         if (status & (1 << 16)) {
1674                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1675                 cx_clear(MO_VID_DMACNTRL, 0x11);
1676                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1677                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1678         }
1679
1680         /* risc1 y */
1681         if (status & 0x01) {
1682                 spin_lock(&dev->slock);
1683                 count = cx_read(MO_VIDY_GPCNT);
1684                 cx88_wakeup(core, &dev->vidq, count);
1685                 spin_unlock(&dev->slock);
1686         }
1687
1688         /* risc1 vbi */
1689         if (status & 0x08) {
1690                 spin_lock(&dev->slock);
1691                 count = cx_read(MO_VBI_GPCNT);
1692                 cx88_wakeup(core, &dev->vbiq, count);
1693                 spin_unlock(&dev->slock);
1694         }
1695
1696         /* risc2 y */
1697         if (status & 0x10) {
1698                 dprintk(2,"stopper video\n");
1699                 spin_lock(&dev->slock);
1700                 restart_video_queue(dev,&dev->vidq);
1701                 spin_unlock(&dev->slock);
1702         }
1703
1704         /* risc2 vbi */
1705         if (status & 0x80) {
1706                 dprintk(2,"stopper vbi\n");
1707                 spin_lock(&dev->slock);
1708                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1709                 spin_unlock(&dev->slock);
1710         }
1711 }
1712
1713 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1714 {
1715         struct cx8800_dev *dev = dev_id;
1716         struct cx88_core *core = dev->core;
1717         u32 status;
1718         int loop, handled = 0;
1719
1720         for (loop = 0; loop < 10; loop++) {
1721                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1722                 if (0 == status)
1723                         goto out;
1724                 cx_write(MO_PCI_INTSTAT, status);
1725                 handled = 1;
1726
1727                 if (status & core->pci_irqmask)
1728                         cx88_core_irq(core,status);
1729                 if (status & 0x01)
1730                         cx8800_vid_irq(dev);
1731         };
1732         if (10 == loop) {
1733                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1734                        core->name);
1735                 cx_write(MO_PCI_INTMSK,0);
1736         }
1737
1738  out:
1739         return IRQ_RETVAL(handled);
1740 }
1741
1742 /* ----------------------------------------------------------- */
1743 /* exported stuff                                              */
1744
1745 static struct file_operations video_fops =
1746 {
1747         .owner         = THIS_MODULE,
1748         .open          = video_open,
1749         .release       = video_release,
1750         .read          = video_read,
1751         .poll          = video_poll,
1752         .mmap          = video_mmap,
1753         .ioctl         = video_ioctl,
1754         .compat_ioctl  = v4l_compat_ioctl32,
1755         .llseek        = no_llseek,
1756 };
1757
1758 static struct video_device cx8800_video_template =
1759 {
1760         .name          = "cx8800-video",
1761         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1762         .hardware      = 0,
1763         .fops          = &video_fops,
1764         .minor         = -1,
1765 };
1766
1767 static struct video_device cx8800_vbi_template =
1768 {
1769         .name          = "cx8800-vbi",
1770         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1771         .hardware      = 0,
1772         .fops          = &video_fops,
1773         .minor         = -1,
1774 };
1775
1776 static struct file_operations radio_fops =
1777 {
1778         .owner         = THIS_MODULE,
1779         .open          = video_open,
1780         .release       = video_release,
1781         .ioctl         = radio_ioctl,
1782         .compat_ioctl  = v4l_compat_ioctl32,
1783         .llseek        = no_llseek,
1784 };
1785
1786 static struct video_device cx8800_radio_template =
1787 {
1788         .name          = "cx8800-radio",
1789         .type          = VID_TYPE_TUNER,
1790         .hardware      = 0,
1791         .fops          = &radio_fops,
1792         .minor         = -1,
1793 };
1794
1795 /* ----------------------------------------------------------- */
1796
1797 static void cx8800_unregister_video(struct cx8800_dev *dev)
1798 {
1799         if (dev->radio_dev) {
1800                 if (-1 != dev->radio_dev->minor)
1801                         video_unregister_device(dev->radio_dev);
1802                 else
1803                         video_device_release(dev->radio_dev);
1804                 dev->radio_dev = NULL;
1805         }
1806         if (dev->vbi_dev) {
1807                 if (-1 != dev->vbi_dev->minor)
1808                         video_unregister_device(dev->vbi_dev);
1809                 else
1810                         video_device_release(dev->vbi_dev);
1811                 dev->vbi_dev = NULL;
1812         }
1813         if (dev->video_dev) {
1814                 if (-1 != dev->video_dev->minor)
1815                         video_unregister_device(dev->video_dev);
1816                 else
1817                         video_device_release(dev->video_dev);
1818                 dev->video_dev = NULL;
1819         }
1820 }
1821
1822 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1823                                     const struct pci_device_id *pci_id)
1824 {
1825         struct cx8800_dev *dev;
1826         struct cx88_core *core;
1827         int err;
1828
1829         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1830         if (NULL == dev)
1831                 return -ENOMEM;
1832
1833         /* pci init */
1834         dev->pci = pci_dev;
1835         if (pci_enable_device(pci_dev)) {
1836                 err = -EIO;
1837                 goto fail_free;
1838         }
1839         core = cx88_core_get(dev->pci);
1840         if (NULL == core) {
1841                 err = -EINVAL;
1842                 goto fail_free;
1843         }
1844         dev->core = core;
1845
1846         /* print pci info */
1847         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1848         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1849         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1850                "latency: %d, mmio: 0x%lx\n", core->name,
1851                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1852                dev->pci_lat,pci_resource_start(pci_dev,0));
1853
1854         pci_set_master(pci_dev);
1855         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1856                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1857                 err = -EIO;
1858                 goto fail_core;
1859         }
1860
1861         /* initialize driver struct */
1862         spin_lock_init(&dev->slock);
1863         core->tvnorm = tvnorms;
1864
1865         /* init video dma queues */
1866         INIT_LIST_HEAD(&dev->vidq.active);
1867         INIT_LIST_HEAD(&dev->vidq.queued);
1868         dev->vidq.timeout.function = cx8800_vid_timeout;
1869         dev->vidq.timeout.data     = (unsigned long)dev;
1870         init_timer(&dev->vidq.timeout);
1871         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1872                           MO_VID_DMACNTRL,0x11,0x00);
1873
1874         /* init vbi dma queues */
1875         INIT_LIST_HEAD(&dev->vbiq.active);
1876         INIT_LIST_HEAD(&dev->vbiq.queued);
1877         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1878         dev->vbiq.timeout.data     = (unsigned long)dev;
1879         init_timer(&dev->vbiq.timeout);
1880         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1881                           MO_VID_DMACNTRL,0x88,0x00);
1882
1883         /* get irq */
1884         err = request_irq(pci_dev->irq, cx8800_irq,
1885                           SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1886         if (err < 0) {
1887                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1888                        core->name,pci_dev->irq);
1889                 goto fail_core;
1890         }
1891         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1892
1893         /* load and configure helper modules */
1894         if (TUNER_ABSENT != core->tuner_type)
1895                 request_module("tuner");
1896         if (core->tda9887_conf)
1897                 request_module("tda9887");
1898
1899         /* register v4l devices */
1900         dev->video_dev = cx88_vdev_init(core,dev->pci,
1901                                         &cx8800_video_template,"video");
1902         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1903                                     video_nr[core->nr]);
1904         if (err < 0) {
1905                 printk(KERN_INFO "%s: can't register video device\n",
1906                        core->name);
1907                 goto fail_unreg;
1908         }
1909         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1910                core->name,dev->video_dev->minor & 0x1f);
1911
1912         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1913         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1914                                     vbi_nr[core->nr]);
1915         if (err < 0) {
1916                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1917                        core->name);
1918                 goto fail_unreg;
1919         }
1920         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1921                core->name,dev->vbi_dev->minor & 0x1f);
1922
1923         if (core->has_radio) {
1924                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1925                                                 &cx8800_radio_template,"radio");
1926                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1927                                             radio_nr[core->nr]);
1928                 if (err < 0) {
1929                         printk(KERN_INFO "%s/0: can't register radio device\n",
1930                                core->name);
1931                         goto fail_unreg;
1932                 }
1933                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1934                        core->name,dev->radio_dev->minor & 0x1f);
1935         }
1936
1937         /* everything worked */
1938         list_add_tail(&dev->devlist,&cx8800_devlist);
1939         pci_set_drvdata(pci_dev,dev);
1940
1941         /* initial device configuration */
1942         mutex_lock(&core->lock);
1943         cx88_set_tvnorm(core,tvnorms);
1944         init_controls(core);
1945         video_mux(core,0);
1946         mutex_unlock(&core->lock);
1947
1948         /* start tvaudio thread */
1949         if (core->tuner_type != TUNER_ABSENT)
1950                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1951         return 0;
1952
1953 fail_unreg:
1954         cx8800_unregister_video(dev);
1955         free_irq(pci_dev->irq, dev);
1956 fail_core:
1957         cx88_core_put(core,dev->pci);
1958 fail_free:
1959         kfree(dev);
1960         return err;
1961 }
1962
1963 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1964 {
1965         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1966         struct cx88_core *core = dev->core;
1967
1968         /* stop thread */
1969         if (core->kthread) {
1970                 kthread_stop(core->kthread);
1971                 core->kthread = NULL;
1972         }
1973
1974         cx88_shutdown(core); /* FIXME */
1975         pci_disable_device(pci_dev);
1976
1977         /* unregister stuff */
1978
1979         free_irq(pci_dev->irq, dev);
1980         cx8800_unregister_video(dev);
1981         pci_set_drvdata(pci_dev, NULL);
1982
1983         /* free memory */
1984         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1985         list_del(&dev->devlist);
1986         cx88_core_put(core,dev->pci);
1987         kfree(dev);
1988 }
1989
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: 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: 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         /* FIXME -- shutdown device */
2010         cx88_shutdown(core);
2011
2012         pci_save_state(pci_dev);
2013         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2014                 pci_disable_device(pci_dev);
2015                 dev->state.disabled = 1;
2016         }
2017         return 0;
2018 }
2019
2020 static int cx8800_resume(struct pci_dev *pci_dev)
2021 {
2022         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2023         struct cx88_core *core = dev->core;
2024         int err;
2025
2026         if (dev->state.disabled) {
2027                 err=pci_enable_device(pci_dev);
2028                 if (err) {
2029                         printk(KERN_ERR "%s: can't enable device\n",
2030                                                        core->name);
2031                         return err;
2032                 }
2033
2034                 dev->state.disabled = 0;
2035         }
2036         err= pci_set_power_state(pci_dev, PCI_D0);
2037         if (err) {
2038                 printk(KERN_ERR "%s: can't enable device\n",
2039                                        core->name);
2040
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
2051         /* restart video+vbi capture */
2052         spin_lock(&dev->slock);
2053         if (!list_empty(&dev->vidq.active)) {
2054                 printk("%s: resume video\n", core->name);
2055                 restart_video_queue(dev,&dev->vidq);
2056         }
2057         if (!list_empty(&dev->vbiq.active)) {
2058                 printk("%s: resume vbi\n", core->name);
2059                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2060         }
2061         spin_unlock(&dev->slock);
2062
2063         return 0;
2064 }
2065
2066 /* ----------------------------------------------------------- */
2067
2068 static struct pci_device_id cx8800_pci_tbl[] = {
2069         {
2070                 .vendor       = 0x14f1,
2071                 .device       = 0x8800,
2072                 .subvendor    = PCI_ANY_ID,
2073                 .subdevice    = PCI_ANY_ID,
2074         },{
2075                 /* --- end of list --- */
2076         }
2077 };
2078 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2079
2080 static struct pci_driver cx8800_pci_driver = {
2081         .name     = "cx8800",
2082         .id_table = cx8800_pci_tbl,
2083         .probe    = cx8800_initdev,
2084         .remove   = __devexit_p(cx8800_finidev),
2085
2086         .suspend  = cx8800_suspend,
2087         .resume   = cx8800_resume,
2088 };
2089
2090 static int cx8800_init(void)
2091 {
2092         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2093                (CX88_VERSION_CODE >> 16) & 0xff,
2094                (CX88_VERSION_CODE >>  8) & 0xff,
2095                CX88_VERSION_CODE & 0xff);
2096 #ifdef SNAPSHOT
2097         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2098                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2099 #endif
2100         return pci_register_driver(&cx8800_pci_driver);
2101 }
2102
2103 static void cx8800_fini(void)
2104 {
2105         pci_unregister_driver(&cx8800_pci_driver);
2106 }
2107
2108 module_init(cx8800_init);
2109 module_exit(cx8800_fini);
2110
2111 EXPORT_SYMBOL(cx88_do_ioctl);
2112
2113 /* ----------------------------------------------------------- */
2114 /*
2115  * Local variables:
2116  * c-basic-offset: 8
2117  * End:
2118  * 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
2119  */