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_del(&buf->vb.queue);
 498                         list_add_tail(&buf->vb.queue,&q->active);
 499                         start_video_dma(dev, q, buf);
 500                         buf->vb.state = STATE_ACTIVE;
 501                         buf->count    = q->count++;
 502                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 503                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 504                                 buf,buf->vb.i);
 505
 506                 } else if (prev->vb.width  == buf->vb.width  &&
 507                            prev->vb.height == buf->vb.height &&
 508                            prev->fmt       == buf->fmt) {
 509                         list_del(&buf->vb.queue);
 510                         list_add_tail(&buf->vb.queue,&q->active);
 511                         buf->vb.state = STATE_ACTIVE;
 512                         buf->count    = q->count++;
 513                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 514                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 515                                 buf,buf->vb.i);
 516                 } else {
 517                         return 0;
 518                 }
 519                 prev = buf;
 520         }
 521 }
 522
 523 /* ------------------------------------------------------------------ */
 524
 525 static int
 526 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 527 {
 528         struct cx8800_fh *fh = q->priv_data;
 529
 530         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 531         if (0 == *count)
 532                 *count = 32;
 533         while (*size * *count > vid_limit * 1024 * 1024)
 534                 (*count)--;
 535         return 0;
 536 }
 537
 538 static int
 539 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 540                enum v4l2_field field)
 541 {
 542         struct cx8800_fh   *fh  = q->priv_data;
 543         struct cx8800_dev  *dev = fh->dev;
 544         struct cx88_core *core = dev->core;
 545         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 546         int rc, init_buffer = 0;
 547
 548         BUG_ON(NULL == fh->fmt);
 549         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 550             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 551                 return -EINVAL;
 552         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 553         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 554                 return -EINVAL;
 555
 556         if (buf->fmt       != fh->fmt    ||
 557             buf->vb.width  != fh->width  ||
 558             buf->vb.height != fh->height ||
 559             buf->vb.field  != field) {
 560                 buf->fmt       = fh->fmt;
 561                 buf->vb.width  = fh->width;
 562                 buf->vb.height = fh->height;
 563                 buf->vb.field  = field;
 564                 init_buffer = 1;
 565         }
 566
 567         if (STATE_NEEDS_INIT == buf->vb.state) {
 568                 init_buffer = 1;
 569                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 570                         goto fail;
 571         }
 572
 573         if (init_buffer) {
 574                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 575                 switch (buf->vb.field) {
 576                 case V4L2_FIELD_TOP:
 577                         cx88_risc_buffer(dev->pci, &buf->risc,
 578                                          buf->vb.dma.sglist, 0, UNSET,
 579                                          buf->bpl, 0, buf->vb.height);
 580                         break;
 581                 case V4L2_FIELD_BOTTOM:
 582                         cx88_risc_buffer(dev->pci, &buf->risc,
 583                                          buf->vb.dma.sglist, UNSET, 0,
 584                                          buf->bpl, 0, buf->vb.height);
 585                         break;
 586                 case V4L2_FIELD_INTERLACED:
 587                         cx88_risc_buffer(dev->pci, &buf->risc,
 588                                          buf->vb.dma.sglist, 0, buf->bpl,
 589                                          buf->bpl, buf->bpl,
 590                                          buf->vb.height >> 1);
 591                         break;
 592                 case V4L2_FIELD_SEQ_TB:
 593                         cx88_risc_buffer(dev->pci, &buf->risc,
 594                                          buf->vb.dma.sglist,
 595                                          0, buf->bpl * (buf->vb.height >> 1),
 596                                          buf->bpl, 0,
 597                                          buf->vb.height >> 1);
 598                         break;
 599                 case V4L2_FIELD_SEQ_BT:
 600                         cx88_risc_buffer(dev->pci, &buf->risc,
 601                                          buf->vb.dma.sglist,
 602                                          buf->bpl * (buf->vb.height >> 1), 0,
 603                                          buf->bpl, 0,
 604                                          buf->vb.height >> 1);
 605                         break;
 606                 default:
 607                         BUG();
 608                 }
 609         }
 610         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 611                 buf, buf->vb.i,
 612                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 613                 (unsigned long)buf->risc.dma);
 614
 615         buf->vb.state = STATE_PREPARED;
 616         return 0;
 617
 618  fail:
 619         cx88_free_buffer(q,buf);
 620         return rc;
 621 }
 622
 623 static void
 624 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 625 {
 626         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 627         struct cx88_buffer    *prev;
 628         struct cx8800_fh      *fh   = vq->priv_data;
 629         struct cx8800_dev     *dev  = fh->dev;
 630         struct cx88_core      *core = dev->core;
 631         struct cx88_dmaqueue  *q    = &dev->vidq;
 632
 633         /* add jump to stopper */
 634         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 635         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 636
 637         if (!list_empty(&q->queued)) {
 638                 list_add_tail(&buf->vb.queue,&q->queued);
 639                 buf->vb.state = STATE_QUEUED;
 640                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 641                         buf, buf->vb.i);
 642
 643         } else if (list_empty(&q->active)) {
 644                 list_add_tail(&buf->vb.queue,&q->active);
 645                 start_video_dma(dev, q, buf);
 646                 buf->vb.state = STATE_ACTIVE;
 647                 buf->count    = q->count++;
 648                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 649                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 650                         buf, buf->vb.i);
 651
 652         } else {
 653                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 654                 if (prev->vb.width  == buf->vb.width  &&
 655                     prev->vb.height == buf->vb.height &&
 656                     prev->fmt       == buf->fmt) {
 657                         list_add_tail(&buf->vb.queue,&q->active);
 658                         buf->vb.state = STATE_ACTIVE;
 659                         buf->count    = q->count++;
 660                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 661                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 662                                 buf, buf->vb.i);
 663
 664                 } else {
 665                         list_add_tail(&buf->vb.queue,&q->queued);
 666                         buf->vb.state = STATE_QUEUED;
 667                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 668                                 buf, buf->vb.i);
 669                 }
 670         }
 671 }
 672
 673 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 674 {
 675         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 676
 677         cx88_free_buffer(q,buf);
 678 }
 679
 680 static struct videobuf_queue_ops cx8800_video_qops = {
 681         .buf_setup    = buffer_setup,
 682         .buf_prepare  = buffer_prepare,
 683         .buf_queue    = buffer_queue,
 684         .buf_release  = buffer_release,
 685 };
 686
 687 /* ------------------------------------------------------------------ */
 688
 689
 690 /* ------------------------------------------------------------------ */
 691
 692 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 693 {
 694         switch (fh->type) {
 695         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 696                 return &fh->vidq;
 697         case V4L2_BUF_TYPE_VBI_CAPTURE:
 698                 return &fh->vbiq;
 699         default:
 700                 BUG();
 701                 return NULL;
 702         }
 703 }
 704
 705 static int get_ressource(struct cx8800_fh *fh)
 706 {
 707         switch (fh->type) {
 708         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 709                 return RESOURCE_VIDEO;
 710         case V4L2_BUF_TYPE_VBI_CAPTURE:
 711                 return RESOURCE_VBI;
 712         default:
 713                 BUG();
 714                 return 0;
 715         }
 716 }
 717
 718 static int video_open(struct inode *inode, struct file *file)
 719 {
 720         int minor = iminor(inode);
 721         struct cx8800_dev *h,*dev = NULL;
 722         struct cx88_core *core;
 723         struct cx8800_fh *fh;
 724         struct list_head *list;
 725         enum v4l2_buf_type type = 0;
 726         int radio = 0;
 727
 728         list_for_each(list,&cx8800_devlist) {
 729                 h = list_entry(list, struct cx8800_dev, devlist);
 730                 if (h->video_dev->minor == minor) {
 731                         dev  = h;
 732                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 733                 }
 734                 if (h->vbi_dev->minor == minor) {
 735                         dev  = h;
 736                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 737                 }
 738                 if (h->radio_dev &&
 739                     h->radio_dev->minor == minor) {
 740                         radio = 1;
 741                         dev   = h;
 742                 }
 743         }
 744         if (NULL == dev)
 745                 return -ENODEV;
 746
 747         core = dev->core;
 748
 749         dprintk(1,"open minor=%d radio=%d type=%s\n",
 750                 minor,radio,v4l2_type_names[type]);
 751
 752         /* allocate + initialize per filehandle data */
 753         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 754         if (NULL == fh)
 755                 return -ENOMEM;
 756         file->private_data = fh;
 757         fh->dev      = dev;
 758         fh->radio    = radio;
 759         fh->type     = type;
 760         fh->width    = 320;
 761         fh->height   = 240;
 762         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 763
 764         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
 765                             dev->pci, &dev->slock,
 766                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 767                             V4L2_FIELD_INTERLACED,
 768                             sizeof(struct cx88_buffer),
 769                             fh);
 770         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 771                             dev->pci, &dev->slock,
 772                             V4L2_BUF_TYPE_VBI_CAPTURE,
 773                             V4L2_FIELD_SEQ_TB,
 774                             sizeof(struct cx88_buffer),
 775                             fh);
 776
 777         if (fh->radio) {
 778                 int board = core->board;
 779                 dprintk(1,"video_open: setting radio device\n");
 780                 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
 781                 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
 782                 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
 783                 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
 784                 core->tvaudio = WW_FM;
 785                 cx88_set_tvaudio(core);
 786                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 787                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 788         }
 789
 790         return 0;
 791 }
 792
 793 static ssize_t
 794 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 795 {
 796         struct cx8800_fh *fh = file->private_data;
 797
 798         switch (fh->type) {
 799         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 800                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 801                         return -EBUSY;
 802                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 803                                          file->f_flags & O_NONBLOCK);
 804         case V4L2_BUF_TYPE_VBI_CAPTURE:
 805                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 806                         return -EBUSY;
 807                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 808                                             file->f_flags & O_NONBLOCK);
 809         default:
 810                 BUG();
 811                 return 0;
 812         }
 813 }
 814
 815 static unsigned int
 816 video_poll(struct file *file, struct poll_table_struct *wait)
 817 {
 818         struct cx8800_fh *fh = file->private_data;
 819         struct cx88_buffer *buf;
 820
 821         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 822                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 823                         return POLLERR;
 824                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 825         }
 826
 827         if (res_check(fh,RESOURCE_VIDEO)) {
 828                 /* streaming capture */
 829                 if (list_empty(&fh->vidq.stream))
 830                         return POLLERR;
 831                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 832         } else {
 833                 /* read() capture */
 834                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 835                 if (NULL == buf)
 836                         return POLLERR;
 837         }
 838         poll_wait(file, &buf->vb.done, wait);
 839         if (buf->vb.state == STATE_DONE ||
 840             buf->vb.state == STATE_ERROR)
 841                 return POLLIN|POLLRDNORM;
 842         return 0;
 843 }
 844
 845 static int video_release(struct inode *inode, struct file *file)
 846 {
 847         struct cx8800_fh  *fh  = file->private_data;
 848         struct cx8800_dev *dev = fh->dev;
 849
 850         /* turn off overlay */
 851         if (res_check(fh, RESOURCE_OVERLAY)) {
 852                 /* FIXME */
 853                 res_free(dev,fh,RESOURCE_OVERLAY);
 854         }
 855
 856         /* stop video capture */
 857         if (res_check(fh, RESOURCE_VIDEO)) {
 858                 videobuf_queue_cancel(&fh->vidq);
 859                 res_free(dev,fh,RESOURCE_VIDEO);
 860         }
 861         if (fh->vidq.read_buf) {
 862                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 863                 kfree(fh->vidq.read_buf);
 864         }
 865
 866         /* stop vbi capture */
 867         if (res_check(fh, RESOURCE_VBI)) {
 868                 if (fh->vbiq.streaming)
 869                         videobuf_streamoff(&fh->vbiq);
 870                 if (fh->vbiq.reading)
 871                         videobuf_read_stop(&fh->vbiq);
 872                 res_free(dev,fh,RESOURCE_VBI);
 873         }
 874
 875         videobuf_mmap_free(&fh->vidq);
 876         videobuf_mmap_free(&fh->vbiq);
 877         file->private_data = NULL;
 878         kfree(fh);
 879
 880         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 881
 882         return 0;
 883 }
 884
 885 static int
 886 video_mmap(struct file *file, struct vm_area_struct * vma)
 887 {
 888         struct cx8800_fh *fh = file->private_data;
 889
 890         return videobuf_mmap_mapper(get_queue(fh), vma);
 891 }
 892
 893 /* ------------------------------------------------------------------ */
 894
 895 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 896 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
 897 {
 898         /* struct cx88_core *core = dev->core; */
 899         struct cx88_ctrl *c = NULL;
 900         u32 value;
 901         int i;
 902
 903         for (i = 0; i < CX8800_CTLS; i++)
 904                 if (cx8800_ctls[i].v.id == ctl->id)
 905                         c = &cx8800_ctls[i];
 906         if (NULL == c)
 907                 return -EINVAL;
 908
 909         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 910         switch (ctl->id) {
 911         case V4L2_CID_AUDIO_BALANCE:
 912                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 913                                         : (0x7f - (value & 0x7f));
 914                 break;
 915         case V4L2_CID_AUDIO_VOLUME:
 916                 ctl->value = 0x3f - (value & 0x3f);
 917                 break;
 918         default:
 919                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 920                 break;
 921         }
 922         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 923                                 ctl->id, c->v.name, ctl->value, c->reg,
 924                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 925         return 0;
 926 }
 927
 928 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 929 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
 930 {
 931         /* struct cx88_core *core = dev->core; */
 932         struct cx88_ctrl *c = NULL;
 933         u32 value,mask;
 934         int i;
 935         for (i = 0; i < CX8800_CTLS; i++) {
 936                 if (cx8800_ctls[i].v.id == ctl->id) {
 937                         c = &cx8800_ctls[i];
 938                 }
 939         }
 940         if (NULL == c)
 941                 return -EINVAL;
 942
 943         if (ctl->value < c->v.minimum)
 944                 ctl->value = c->v.minimum;
 945         if (ctl->value > c->v.maximum)
 946                 ctl->value = c->v.maximum;
 947         mask=c->mask;
 948         switch (ctl->id) {
 949         case V4L2_CID_AUDIO_BALANCE:
 950                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 951                 break;
 952         case V4L2_CID_AUDIO_VOLUME:
 953                 value = 0x3f - (ctl->value & 0x3f);
 954                 break;
 955         case V4L2_CID_SATURATION:
 956                 /* special v_sat handling */
 957
 958                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 959
 960                 if (core->tvnorm->id & V4L2_STD_SECAM) {
 961                         /* For SECAM, both U and V sat should be equal */
 962                         value=value<<8|value;
 963                 } else {
 964                         /* Keeps U Saturation proportional to V Sat */
 965                         value=(value*0x5a)/0x7f<<8|value;
 966                 }
 967                 mask=0xffff;
 968                 break;
 969         default:
 970                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 971                 break;
 972         }
 973         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 974                                 ctl->id, c->v.name, ctl->value, c->reg, value,
 975                                 mask, c->sreg ? " [shadowed]" : "");
 976         if (c->sreg) {
 977                 cx_sandor(c->sreg, c->reg, mask, value);
 978         } else {
 979                 cx_andor(c->reg, mask, value);
 980         }
 981         return 0;
 982 }
 983
 984 static void init_controls(struct cx88_core *core)
 985 {
 986         struct v4l2_control ctrl;
 987         int i;
 988
 989         for (i = 0; i < CX8800_CTLS; i++) {
 990                 ctrl.id=cx8800_ctls[i].v.id;
 991                 ctrl.value=cx8800_ctls[i].v.default_value;
 992                 set_control(core, &ctrl);
 993         }
 994 }
 995
 996 /* ------------------------------------------------------------------ */
 997
 998 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
 999                         struct v4l2_format *f)
1000 {
1001         switch (f->type) {
1002         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1003                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1004                 f->fmt.pix.width        = fh->width;
1005                 f->fmt.pix.height       = fh->height;
1006                 f->fmt.pix.field        = fh->vidq.field;
1007                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1008                 f->fmt.pix.bytesperline =
1009                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1010                 f->fmt.pix.sizeimage =
1011                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1012                 return 0;
1013         case V4L2_BUF_TYPE_VBI_CAPTURE:
1014                 cx8800_vbi_fmt(dev, f);
1015                 return 0;
1016         default:
1017                 return -EINVAL;
1018         }
1019 }
1020
1021 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1022                           struct v4l2_format *f)
1023 {
1024         struct cx88_core *core = dev->core;
1025
1026         switch (f->type) {
1027         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1028         {
1029                 struct cx8800_fmt *fmt;
1030                 enum v4l2_field field;
1031                 unsigned int maxw, maxh;
1032
1033                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1034                 if (NULL == fmt)
1035                         return -EINVAL;
1036
1037                 field = f->fmt.pix.field;
1038                 maxw  = norm_maxw(core->tvnorm);
1039                 maxh  = norm_maxh(core->tvnorm);
1040
1041                 if (V4L2_FIELD_ANY == field) {
1042                         field = (f->fmt.pix.height > maxh/2)
1043                                 ? V4L2_FIELD_INTERLACED
1044                                 : V4L2_FIELD_BOTTOM;
1045                 }
1046
1047                 switch (field) {
1048                 case V4L2_FIELD_TOP:
1049                 case V4L2_FIELD_BOTTOM:
1050                         maxh = maxh / 2;
1051                         break;
1052                 case V4L2_FIELD_INTERLACED:
1053                         break;
1054                 default:
1055                         return -EINVAL;
1056                 }
1057
1058                 f->fmt.pix.field = field;
1059                 if (f->fmt.pix.height < 32)
1060                         f->fmt.pix.height = 32;
1061                 if (f->fmt.pix.height > maxh)
1062                         f->fmt.pix.height = maxh;
1063                 if (f->fmt.pix.width < 48)
1064                         f->fmt.pix.width = 48;
1065                 if (f->fmt.pix.width > maxw)
1066                         f->fmt.pix.width = maxw;
1067                 f->fmt.pix.width &= ~0x03;
1068                 f->fmt.pix.bytesperline =
1069                         (f->fmt.pix.width * fmt->depth) >> 3;
1070                 f->fmt.pix.sizeimage =
1071                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1072
1073                 return 0;
1074         }
1075         case V4L2_BUF_TYPE_VBI_CAPTURE:
1076                 cx8800_vbi_fmt(dev, f);
1077                 return 0;
1078         default:
1079                 return -EINVAL;
1080         }
1081 }
1082
1083 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1084                         struct v4l2_format *f)
1085 {
1086         int err;
1087
1088         switch (f->type) {
1089         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1090                 err = cx8800_try_fmt(dev,fh,f);
1091                 if (0 != err)
1092                         return err;
1093
1094                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1095                 fh->width      = f->fmt.pix.width;
1096                 fh->height     = f->fmt.pix.height;
1097                 fh->vidq.field = f->fmt.pix.field;
1098                 return 0;
1099         case V4L2_BUF_TYPE_VBI_CAPTURE:
1100                 cx8800_vbi_fmt(dev, f);
1101                 return 0;
1102         default:
1103                 return -EINVAL;
1104         }
1105 }
1106
1107 /*
1108  * This function is _not_ called directly, but from
1109  * video_generic_ioctl (and maybe others).  userspace
1110  * copying is done already, arg is a kernel pointer.
1111  */
1112 static int video_do_ioctl(struct inode *inode, struct file *file,
1113                           unsigned int cmd, void *arg)
1114 {
1115         struct cx8800_fh  *fh   = file->private_data;
1116         struct cx8800_dev *dev  = fh->dev;
1117         struct cx88_core  *core = dev->core;
1118         int err;
1119
1120         if (video_debug > 1)
1121                 v4l_print_ioctl(core->name,cmd);
1122         switch (cmd) {
1123
1124         /* --- capabilities ------------------------------------------ */
1125         case VIDIOC_QUERYCAP:
1126         {
1127                 struct v4l2_capability *cap = arg;
1128
1129                 memset(cap,0,sizeof(*cap));
1130                 strcpy(cap->driver, "cx8800");
1131                 strlcpy(cap->card, cx88_boards[core->board].name,
1132                         sizeof(cap->card));
1133                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1134                 cap->version = CX88_VERSION_CODE;
1135                 cap->capabilities =
1136                         V4L2_CAP_VIDEO_CAPTURE |
1137                         V4L2_CAP_READWRITE     |
1138                         V4L2_CAP_STREAMING     |
1139                         V4L2_CAP_VBI_CAPTURE   |
1140                         V4L2_CAP_VIDEO_OVERLAY |
1141                         0;
1142                 if (UNSET != core->tuner_type)
1143                         cap->capabilities |= V4L2_CAP_TUNER;
1144                 return 0;
1145         }
1146
1147         /* --- capture ioctls ---------------------------------------- */
1148         case VIDIOC_ENUM_FMT:
1149         {
1150                 struct v4l2_fmtdesc *f = arg;
1151                 enum v4l2_buf_type type;
1152                 unsigned int index;
1153
1154                 index = f->index;
1155                 type  = f->type;
1156                 switch (type) {
1157                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1158                         if (index >= ARRAY_SIZE(formats))
1159                                 return -EINVAL;
1160                         memset(f,0,sizeof(*f));
1161                         f->index = index;
1162                         f->type  = type;
1163                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1164                         f->pixelformat = formats[index].fourcc;
1165                         break;
1166                 default:
1167                         return -EINVAL;
1168                 }
1169                 return 0;
1170         }
1171         case VIDIOC_G_FMT:
1172         {
1173                 struct v4l2_format *f = arg;
1174                 return cx8800_g_fmt(dev,fh,f);
1175         }
1176         case VIDIOC_S_FMT:
1177         {
1178                 struct v4l2_format *f = arg;
1179                 return cx8800_s_fmt(dev,fh,f);
1180         }
1181         case VIDIOC_TRY_FMT:
1182         {
1183                 struct v4l2_format *f = arg;
1184                 return cx8800_try_fmt(dev,fh,f);
1185         }
1186 #ifdef HAVE_V4L1
1187         /* --- streaming capture ------------------------------------- */
1188         case VIDIOCGMBUF:
1189         {
1190                 struct video_mbuf *mbuf = arg;
1191                 struct videobuf_queue *q;
1192                 struct v4l2_requestbuffers req;
1193                 unsigned int i;
1194
1195                 q = get_queue(fh);
1196                 memset(&req,0,sizeof(req));
1197                 req.type   = q->type;
1198                 req.count  = 8;
1199                 req.memory = V4L2_MEMORY_MMAP;
1200                 err = videobuf_reqbufs(q,&req);
1201                 if (err < 0)
1202                         return err;
1203                 memset(mbuf,0,sizeof(*mbuf));
1204                 mbuf->frames = req.count;
1205                 mbuf->size   = 0;
1206                 for (i = 0; i < mbuf->frames; i++) {
1207                         mbuf->offsets[i]  = q->bufs[i]->boff;
1208                         mbuf->size       += q->bufs[i]->bsize;
1209                 }
1210                 return 0;
1211         }
1212 #endif
1213         case VIDIOC_REQBUFS:
1214                 return videobuf_reqbufs(get_queue(fh), arg);
1215
1216         case VIDIOC_QUERYBUF:
1217                 return videobuf_querybuf(get_queue(fh), arg);
1218
1219         case VIDIOC_QBUF:
1220                 return videobuf_qbuf(get_queue(fh), arg);
1221
1222         case VIDIOC_DQBUF:
1223                 return videobuf_dqbuf(get_queue(fh), arg,
1224                                         file->f_flags & O_NONBLOCK);
1225
1226         case VIDIOC_STREAMON:
1227         {
1228                 int res = get_ressource(fh);
1229
1230                 if (!res_get(dev,fh,res))
1231                         return -EBUSY;
1232                 return videobuf_streamon(get_queue(fh));
1233         }
1234         case VIDIOC_STREAMOFF:
1235         {
1236                 int res = get_ressource(fh);
1237
1238                 err = videobuf_streamoff(get_queue(fh));
1239                 if (err < 0)
1240                         return err;
1241                 res_free(dev,fh,res);
1242                 return 0;
1243         }
1244         default:
1245                 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1246         }
1247         return 0;
1248 }
1249
1250 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1251                   struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1252 {
1253         int err;
1254
1255        if (video_debug) {
1256                if (video_debug > 1) {
1257                        if (_IOC_DIR(cmd) & _IOC_WRITE)
1258                                v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
1259                        else if (!_IOC_DIR(cmd) & _IOC_READ) {
1260                                v4l_print_ioctl("cx88", cmd);
1261                        }
1262                } else
1263                        v4l_print_ioctl(core->name,cmd);
1264
1265        }
1266
1267         switch (cmd) {
1268         /* ---------- tv norms ---------- */
1269         case VIDIOC_ENUMSTD:
1270         {
1271                 struct v4l2_standard *e = arg;
1272                 unsigned int i;
1273
1274                 i = e->index;
1275                 if (i >= ARRAY_SIZE(tvnorms))
1276                         return -EINVAL;
1277                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1278                                                tvnorms[e->index].name);
1279                 e->index = i;
1280                 if (err < 0)
1281                         return err;
1282                 return 0;
1283         }
1284         case VIDIOC_G_STD:
1285         {
1286                 v4l2_std_id *id = arg;
1287
1288                 *id = core->tvnorm->id;
1289                 return 0;
1290         }
1291         case VIDIOC_S_STD:
1292         {
1293                 v4l2_std_id *id = arg;
1294                 unsigned int i;
1295
1296                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1297                         if (*id & tvnorms[i].id)
1298                                 break;
1299                 if (i == ARRAY_SIZE(tvnorms))
1300                         return -EINVAL;
1301
1302                 mutex_lock(&core->lock);
1303                 cx88_set_tvnorm(core,&tvnorms[i]);
1304                 mutex_unlock(&core->lock);
1305                 return 0;
1306         }
1307
1308         /* ------ input switching ---------- */
1309         case VIDIOC_ENUMINPUT:
1310         {
1311                 static const char *iname[] = {
1312                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1313                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1314                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1315                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1316                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1317                         [ CX88_VMUX_TELEVISION ] = "Television",
1318                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1319                         [ CX88_VMUX_DVB        ] = "DVB",
1320                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1321                 };
1322                 struct v4l2_input *i = arg;
1323                 unsigned int n;
1324
1325                 n = i->index;
1326                 if (n >= 4)
1327                         return -EINVAL;
1328                 if (0 == INPUT(n)->type)
1329                         return -EINVAL;
1330                 memset(i,0,sizeof(*i));
1331                 i->index = n;
1332                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1333                 strcpy(i->name,iname[INPUT(n)->type]);
1334                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1335                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1336                         i->type = V4L2_INPUT_TYPE_TUNER;
1337                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1338                         i->std |= tvnorms[n].id;
1339                 return 0;
1340         }
1341         case VIDIOC_G_INPUT:
1342         {
1343                 unsigned int *i = arg;
1344
1345                 *i = core->input;
1346                 return 0;
1347         }
1348         case VIDIOC_S_INPUT:
1349         {
1350                 unsigned int *i = arg;
1351
1352                 if (*i >= 4)
1353                         return -EINVAL;
1354                 mutex_lock(&core->lock);
1355                 cx88_newstation(core);
1356                 video_mux(core,*i);
1357                 mutex_unlock(&core->lock);
1358                 return 0;
1359         }
1360
1361
1362
1363         /* --- controls ---------------------------------------------- */
1364         case VIDIOC_QUERYCTRL:
1365         {
1366                 struct v4l2_queryctrl *c = arg;
1367                 int i;
1368
1369                 if (c->id <  V4L2_CID_BASE ||
1370                     c->id >= V4L2_CID_LASTP1)
1371                         return -EINVAL;
1372                 for (i = 0; i < CX8800_CTLS; i++)
1373                         if (cx8800_ctls[i].v.id == c->id)
1374                                 break;
1375                 if (i == CX8800_CTLS) {
1376                         *c = no_ctl;
1377                         return 0;
1378                 }
1379                 *c = cx8800_ctls[i].v;
1380                 return 0;
1381         }
1382         case VIDIOC_G_CTRL:
1383                 return get_control(core,arg);
1384         case VIDIOC_S_CTRL:
1385                 return set_control(core,arg);
1386
1387         /* --- tuner ioctls ------------------------------------------ */
1388         case VIDIOC_G_TUNER:
1389         {
1390                 struct v4l2_tuner *t = arg;
1391                 u32 reg;
1392
1393                 if (UNSET == core->tuner_type)
1394                         return -EINVAL;
1395                 if (0 != t->index)
1396                         return -EINVAL;
1397
1398                 memset(t,0,sizeof(*t));
1399                 strcpy(t->name, "Television");
1400                 t->type       = V4L2_TUNER_ANALOG_TV;
1401                 t->capability = V4L2_TUNER_CAP_NORM;
1402                 t->rangehigh  = 0xffffffffUL;
1403
1404                 cx88_get_stereo(core ,t);
1405                 reg = cx_read(MO_DEVICE_STATUS);
1406                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1407                 return 0;
1408         }
1409         case VIDIOC_S_TUNER:
1410         {
1411                 struct v4l2_tuner *t = arg;
1412
1413                 if (UNSET == core->tuner_type)
1414                         return -EINVAL;
1415                 if (0 != t->index)
1416                         return -EINVAL;
1417                 cx88_set_stereo(core, t->audmode, 1);
1418                 return 0;
1419         }
1420         case VIDIOC_G_FREQUENCY:
1421         {
1422                 struct v4l2_frequency *f = arg;
1423
1424                 memset(f,0,sizeof(*f));
1425
1426                 if (UNSET == core->tuner_type)
1427                         return -EINVAL;
1428
1429                 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1430                 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1431                 f->frequency = core->freq;
1432
1433                 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1434
1435                 return 0;
1436         }
1437         case VIDIOC_S_FREQUENCY:
1438         {
1439                 struct v4l2_frequency *f = arg;
1440
1441                 if (UNSET == core->tuner_type)
1442                         return -EINVAL;
1443                 if (f->tuner != 0)
1444                         return -EINVAL;
1445                 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1446                         return -EINVAL;
1447                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1448                         return -EINVAL;
1449                 mutex_lock(&core->lock);
1450                 core->freq = f->frequency;
1451                 cx88_newstation(core);
1452                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1453
1454                 /* When changing channels it is required to reset TVAUDIO */
1455                 msleep (10);
1456                 cx88_set_tvaudio(core);
1457
1458                 mutex_unlock(&core->lock);
1459                 return 0;
1460         }
1461
1462         default:
1463                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1464                                                   driver_ioctl);
1465         }
1466         return 0;
1467 }
1468
1469 static int video_ioctl(struct inode *inode, struct file *file,
1470                        unsigned int cmd, unsigned long arg)
1471 {
1472        int retval;
1473
1474        retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1475
1476        if (video_debug > 1) {
1477                if (retval < 0) {
1478                        v4l_print_ioctl("cx88(err)", cmd);
1479                        printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval);
1480                } else if (_IOC_DIR(cmd) & _IOC_READ)
1481                        v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg);
1482        }
1483
1484        return retval;
1485 }
1486
1487 /* ----------------------------------------------------------- */
1488
1489 static int radio_do_ioctl(struct inode *inode, struct file *file,
1490                         unsigned int cmd, void *arg)
1491 {
1492         struct cx8800_fh *fh    = file->private_data;
1493         struct cx8800_dev *dev  = fh->dev;
1494         struct cx88_core  *core = dev->core;
1495
1496         if (video_debug > 1)
1497                 v4l_print_ioctl(core->name,cmd);
1498
1499         switch (cmd) {
1500         case VIDIOC_QUERYCAP:
1501         {
1502                 struct v4l2_capability *cap = arg;
1503
1504                 memset(cap,0,sizeof(*cap));
1505                 strcpy(cap->driver, "cx8800");
1506                 strlcpy(cap->card, cx88_boards[core->board].name,
1507                         sizeof(cap->card));
1508                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1509                 cap->version = CX88_VERSION_CODE;
1510                 cap->capabilities = V4L2_CAP_TUNER;
1511                 return 0;
1512         }
1513         case VIDIOC_G_TUNER:
1514         {
1515                 struct v4l2_tuner *t = arg;
1516
1517                 if (t->index > 0)
1518                         return -EINVAL;
1519
1520                 memset(t,0,sizeof(*t));
1521                 strcpy(t->name, "Radio");
1522                 t->type = V4L2_TUNER_RADIO;
1523
1524                 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1525                 return 0;
1526         }
1527         case VIDIOC_ENUMINPUT:
1528         {
1529                 struct v4l2_input *i = arg;
1530
1531                 if (i->index != 0)
1532                         return -EINVAL;
1533                 strcpy(i->name,"Radio");
1534                 i->type = V4L2_INPUT_TYPE_TUNER;
1535                 return 0;
1536         }
1537         case VIDIOC_G_INPUT:
1538         {
1539                 int *i = arg;
1540                 *i = 0;
1541                 return 0;
1542         }
1543         case VIDIOC_G_AUDIO:
1544         {
1545                 struct v4l2_audio *a = arg;
1546
1547                 memset(a,0,sizeof(*a));
1548                 strcpy(a->name,"Radio");
1549                 return 0;
1550         }
1551         case VIDIOC_G_STD:
1552         {
1553                 v4l2_std_id *id = arg;
1554                 *id = 0;
1555                 return 0;
1556         }
1557 #ifdef HAVE_V4L1
1558         case VIDIOCSTUNER:
1559         {
1560                 struct video_tuner *v = arg;
1561
1562                 if (v->tuner) /* Only tuner 0 */
1563                         return -EINVAL;
1564
1565                 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1566                 return 0;
1567         }
1568 #endif
1569         case VIDIOC_S_TUNER:
1570         {
1571                 struct v4l2_tuner *t = arg;
1572
1573                 if (0 != t->index)
1574                         return -EINVAL;
1575
1576                 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1577
1578                 return 0;
1579         }
1580
1581         case VIDIOC_S_AUDIO:
1582         case VIDIOC_S_INPUT:
1583         case VIDIOC_S_STD:
1584                 return 0;
1585
1586         case VIDIOC_QUERYCTRL:
1587         {
1588                 struct v4l2_queryctrl *c = arg;
1589                 int i;
1590
1591                 if (c->id <  V4L2_CID_BASE ||
1592                     c->id >= V4L2_CID_LASTP1)
1593                         return -EINVAL;
1594                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1595                         for (i = 0; i < CX8800_CTLS; i++)
1596                                 if (cx8800_ctls[i].v.id == c->id)
1597                                         break;
1598                         *c = cx8800_ctls[i].v;
1599                 } else
1600                         *c = no_ctl;
1601                 return 0;
1602         }
1603
1604
1605         case VIDIOC_G_CTRL:
1606         case VIDIOC_S_CTRL:
1607         case VIDIOC_G_FREQUENCY:
1608         case VIDIOC_S_FREQUENCY:
1609                 return video_do_ioctl(inode,file,cmd,arg);
1610
1611         default:
1612                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1613                                                   radio_do_ioctl);
1614         }
1615         return 0;
1616 };
1617
1618 static int radio_ioctl(struct inode *inode, struct file *file,
1619                         unsigned int cmd, unsigned long arg)
1620 {
1621         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1622 };
1623
1624 /* ----------------------------------------------------------- */
1625
1626 static void cx8800_vid_timeout(unsigned long data)
1627 {
1628         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1629         struct cx88_core *core = dev->core;
1630         struct cx88_dmaqueue *q = &dev->vidq;
1631         struct cx88_buffer *buf;
1632         unsigned long flags;
1633
1634         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1635
1636         cx_clear(MO_VID_DMACNTRL, 0x11);
1637         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1638
1639         spin_lock_irqsave(&dev->slock,flags);
1640         while (!list_empty(&q->active)) {
1641                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1642                 list_del(&buf->vb.queue);
1643                 buf->vb.state = STATE_ERROR;
1644                 wake_up(&buf->vb.done);
1645                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1646                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1647         }
1648         restart_video_queue(dev,q);
1649         spin_unlock_irqrestore(&dev->slock,flags);
1650 }
1651
1652 static char *cx88_vid_irqs[32] = {
1653         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1654         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1655         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1656         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1657         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1658 };
1659
1660 static void cx8800_vid_irq(struct cx8800_dev *dev)
1661 {
1662         struct cx88_core *core = dev->core;
1663         u32 status, mask, count;
1664
1665         status = cx_read(MO_VID_INTSTAT);
1666         mask   = cx_read(MO_VID_INTMSK);
1667         if (0 == (status & mask))
1668                 return;
1669         cx_write(MO_VID_INTSTAT, status);
1670         if (irq_debug  ||  (status & mask & ~0xff))
1671                 cx88_print_irqbits(core->name, "irq vid",
1672                                    cx88_vid_irqs, status, mask);
1673
1674         /* risc op code error */
1675         if (status & (1 << 16)) {
1676                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1677                 cx_clear(MO_VID_DMACNTRL, 0x11);
1678                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1679                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1680         }
1681
1682         /* risc1 y */
1683         if (status & 0x01) {
1684                 spin_lock(&dev->slock);
1685                 count = cx_read(MO_VIDY_GPCNT);
1686                 cx88_wakeup(core, &dev->vidq, count);
1687                 spin_unlock(&dev->slock);
1688         }
1689
1690         /* risc1 vbi */
1691         if (status & 0x08) {
1692                 spin_lock(&dev->slock);
1693                 count = cx_read(MO_VBI_GPCNT);
1694                 cx88_wakeup(core, &dev->vbiq, count);
1695                 spin_unlock(&dev->slock);
1696         }
1697
1698         /* risc2 y */
1699         if (status & 0x10) {
1700                 dprintk(2,"stopper video\n");
1701                 spin_lock(&dev->slock);
1702                 restart_video_queue(dev,&dev->vidq);
1703                 spin_unlock(&dev->slock);
1704         }
1705
1706         /* risc2 vbi */
1707         if (status & 0x80) {
1708                 dprintk(2,"stopper vbi\n");
1709                 spin_lock(&dev->slock);
1710                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1711                 spin_unlock(&dev->slock);
1712         }
1713 }
1714
1715 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1716 {
1717         struct cx8800_dev *dev = dev_id;
1718         struct cx88_core *core = dev->core;
1719         u32 status;
1720         int loop, handled = 0;
1721
1722         for (loop = 0; loop < 10; loop++) {
1723                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1724                 if (0 == status)
1725                         goto out;
1726                 cx_write(MO_PCI_INTSTAT, status);
1727                 handled = 1;
1728
1729                 if (status & core->pci_irqmask)
1730                         cx88_core_irq(core,status);
1731                 if (status & 0x01)
1732                         cx8800_vid_irq(dev);
1733         };
1734         if (10 == loop) {
1735                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1736                        core->name);
1737                 cx_write(MO_PCI_INTMSK,0);
1738         }
1739
1740  out:
1741         return IRQ_RETVAL(handled);
1742 }
1743
1744 /* ----------------------------------------------------------- */
1745 /* exported stuff                                              */
1746
1747 static struct file_operations video_fops =
1748 {
1749         .owner         = THIS_MODULE,
1750         .open          = video_open,
1751         .release       = video_release,
1752         .read          = video_read,
1753         .poll          = video_poll,
1754         .mmap          = video_mmap,
1755         .ioctl         = video_ioctl,
1756         .compat_ioctl  = v4l_compat_ioctl32,
1757         .llseek        = no_llseek,
1758 };
1759
1760 static struct video_device cx8800_video_template =
1761 {
1762         .name          = "cx8800-video",
1763         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1764         .hardware      = 0,
1765         .fops          = &video_fops,
1766         .minor         = -1,
1767 };
1768
1769 static struct video_device cx8800_vbi_template =
1770 {
1771         .name          = "cx8800-vbi",
1772         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1773         .hardware      = 0,
1774         .fops          = &video_fops,
1775         .minor         = -1,
1776 };
1777
1778 static struct file_operations radio_fops =
1779 {
1780         .owner         = THIS_MODULE,
1781         .open          = video_open,
1782         .release       = video_release,
1783         .ioctl         = radio_ioctl,
1784         .compat_ioctl  = v4l_compat_ioctl32,
1785         .llseek        = no_llseek,
1786 };
1787
1788 static struct video_device cx8800_radio_template =
1789 {
1790         .name          = "cx8800-radio",
1791         .type          = VID_TYPE_TUNER,
1792         .hardware      = 0,
1793         .fops          = &radio_fops,
1794         .minor         = -1,
1795 };
1796
1797 /* ----------------------------------------------------------- */
1798
1799 static void cx8800_unregister_video(struct cx8800_dev *dev)
1800 {
1801         if (dev->radio_dev) {
1802                 if (-1 != dev->radio_dev->minor)
1803                         video_unregister_device(dev->radio_dev);
1804                 else
1805                         video_device_release(dev->radio_dev);
1806                 dev->radio_dev = NULL;
1807         }
1808         if (dev->vbi_dev) {
1809                 if (-1 != dev->vbi_dev->minor)
1810                         video_unregister_device(dev->vbi_dev);
1811                 else
1812                         video_device_release(dev->vbi_dev);
1813                 dev->vbi_dev = NULL;
1814         }
1815         if (dev->video_dev) {
1816                 if (-1 != dev->video_dev->minor)
1817                         video_unregister_device(dev->video_dev);
1818                 else
1819                         video_device_release(dev->video_dev);
1820                 dev->video_dev = NULL;
1821         }
1822 }
1823
1824 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1825                                     const struct pci_device_id *pci_id)
1826 {
1827         struct cx8800_dev *dev;
1828         struct cx88_core *core;
1829         int err;
1830
1831         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1832         if (NULL == dev)
1833                 return -ENOMEM;
1834
1835         /* pci init */
1836         dev->pci = pci_dev;
1837         if (pci_enable_device(pci_dev)) {
1838                 err = -EIO;
1839                 goto fail_free;
1840         }
1841         core = cx88_core_get(dev->pci);
1842         if (NULL == core) {
1843                 err = -EINVAL;
1844                 goto fail_free;
1845         }
1846         dev->core = core;
1847
1848         /* print pci info */
1849         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1850         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1851         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1852                "latency: %d, mmio: 0x%lx\n", core->name,
1853                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1854                dev->pci_lat,pci_resource_start(pci_dev,0));
1855
1856         pci_set_master(pci_dev);
1857         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1858                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1859                 err = -EIO;
1860                 goto fail_core;
1861         }
1862
1863         /* initialize driver struct */
1864         spin_lock_init(&dev->slock);
1865         core->tvnorm = tvnorms;
1866
1867         /* init video dma queues */
1868         INIT_LIST_HEAD(&dev->vidq.active);
1869         INIT_LIST_HEAD(&dev->vidq.queued);
1870         dev->vidq.timeout.function = cx8800_vid_timeout;
1871         dev->vidq.timeout.data     = (unsigned long)dev;
1872         init_timer(&dev->vidq.timeout);
1873         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1874                           MO_VID_DMACNTRL,0x11,0x00);
1875
1876         /* init vbi dma queues */
1877         INIT_LIST_HEAD(&dev->vbiq.active);
1878         INIT_LIST_HEAD(&dev->vbiq.queued);
1879         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1880         dev->vbiq.timeout.data     = (unsigned long)dev;
1881         init_timer(&dev->vbiq.timeout);
1882         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1883                           MO_VID_DMACNTRL,0x88,0x00);
1884
1885         /* get irq */
1886         err = request_irq(pci_dev->irq, cx8800_irq,
1887                           SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1888         if (err < 0) {
1889                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1890                        core->name,pci_dev->irq);
1891                 goto fail_core;
1892         }
1893         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1894
1895         /* load and configure helper modules */
1896         if (TUNER_ABSENT != core->tuner_type)
1897                 request_module("tuner");
1898         if (core->tda9887_conf)
1899                 request_module("tda9887");
1900
1901         /* register v4l devices */
1902         dev->video_dev = cx88_vdev_init(core,dev->pci,
1903                                         &cx8800_video_template,"video");
1904         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1905                                     video_nr[core->nr]);
1906         if (err < 0) {
1907                 printk(KERN_INFO "%s: can't register video device\n",
1908                        core->name);
1909                 goto fail_unreg;
1910         }
1911         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1912                core->name,dev->video_dev->minor & 0x1f);
1913
1914         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1915         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1916                                     vbi_nr[core->nr]);
1917         if (err < 0) {
1918                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1919                        core->name);
1920                 goto fail_unreg;
1921         }
1922         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1923                core->name,dev->vbi_dev->minor & 0x1f);
1924
1925         if (core->has_radio) {
1926                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1927                                                 &cx8800_radio_template,"radio");
1928                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1929                                             radio_nr[core->nr]);
1930                 if (err < 0) {
1931                         printk(KERN_INFO "%s/0: can't register radio device\n",
1932                                core->name);
1933                         goto fail_unreg;
1934                 }
1935                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1936                        core->name,dev->radio_dev->minor & 0x1f);
1937         }
1938
1939         /* everything worked */
1940         list_add_tail(&dev->devlist,&cx8800_devlist);
1941         pci_set_drvdata(pci_dev,dev);
1942
1943         /* initial device configuration */
1944         mutex_lock(&core->lock);
1945         cx88_set_tvnorm(core,tvnorms);
1946         init_controls(core);
1947         video_mux(core,0);
1948         mutex_unlock(&core->lock);
1949
1950         /* start tvaudio thread */
1951         if (core->tuner_type != TUNER_ABSENT)
1952                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1953         return 0;
1954
1955 fail_unreg:
1956         cx8800_unregister_video(dev);
1957         free_irq(pci_dev->irq, dev);
1958 fail_core:
1959         cx88_core_put(core,dev->pci);
1960 fail_free:
1961         kfree(dev);
1962         return err;
1963 }
1964
1965 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1966 {
1967         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1968         struct cx88_core *core = dev->core;
1969
1970         /* stop thread */
1971         if (core->kthread) {
1972                 kthread_stop(core->kthread);
1973                 core->kthread = NULL;
1974         }
1975
1976         cx88_shutdown(core); /* FIXME */
1977         pci_disable_device(pci_dev);
1978
1979         /* unregister stuff */
1980
1981         free_irq(pci_dev->irq, dev);
1982         cx8800_unregister_video(dev);
1983         pci_set_drvdata(pci_dev, NULL);
1984
1985         /* free memory */
1986         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1987         list_del(&dev->devlist);
1988         cx88_core_put(core,dev->pci);
1989         kfree(dev);
1990 }
1991
1992 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1993 {
1994         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1995         struct cx88_core *core = dev->core;
1996
1997         /* stop video+vbi capture */
1998         spin_lock(&dev->slock);
1999         if (!list_empty(&dev->vidq.active)) {
2000                 printk("%s: suspend video\n", core->name);
2001                 stop_video_dma(dev);
2002                 del_timer(&dev->vidq.timeout);
2003         }
2004         if (!list_empty(&dev->vbiq.active)) {
2005                 printk("%s: suspend vbi\n", core->name);
2006                 cx8800_stop_vbi_dma(dev);
2007                 del_timer(&dev->vbiq.timeout);
2008         }
2009         spin_unlock(&dev->slock);
2010
2011         /* FIXME -- shutdown device */
2012         cx88_shutdown(core);
2013
2014         pci_save_state(pci_dev);
2015         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2016                 pci_disable_device(pci_dev);
2017                 dev->state.disabled = 1;
2018         }
2019         return 0;
2020 }
2021
2022 static int cx8800_resume(struct pci_dev *pci_dev)
2023 {
2024         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2025         struct cx88_core *core = dev->core;
2026         int err;
2027
2028         if (dev->state.disabled) {
2029                 err=pci_enable_device(pci_dev);
2030                 if (err) {
2031                         printk(KERN_ERR "%s: can't enable device\n",
2032                                                        core->name);
2033                         return err;
2034                 }
2035
2036                 dev->state.disabled = 0;
2037         }
2038         err= pci_set_power_state(pci_dev, PCI_D0);
2039         if (err) {
2040                 printk(KERN_ERR "%s: can't enable device\n",
2041                                        core->name);
2042
2043                 pci_disable_device(pci_dev);
2044                 dev->state.disabled = 1;
2045
2046                 return err;
2047         }
2048         pci_restore_state(pci_dev);
2049
2050         /* FIXME: re-initialize hardware */
2051         cx88_reset(core);
2052
2053         /* restart video+vbi capture */
2054         spin_lock(&dev->slock);
2055         if (!list_empty(&dev->vidq.active)) {
2056                 printk("%s: resume video\n", core->name);
2057                 restart_video_queue(dev,&dev->vidq);
2058         }
2059         if (!list_empty(&dev->vbiq.active)) {
2060                 printk("%s: resume vbi\n", core->name);
2061                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2062         }
2063         spin_unlock(&dev->slock);
2064
2065         return 0;
2066 }
2067
2068 /* ----------------------------------------------------------- */
2069
2070 static struct pci_device_id cx8800_pci_tbl[] = {
2071         {
2072                 .vendor       = 0x14f1,
2073                 .device       = 0x8800,
2074                 .subvendor    = PCI_ANY_ID,
2075                 .subdevice    = PCI_ANY_ID,
2076         },{
2077                 /* --- end of list --- */
2078         }
2079 };
2080 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2081
2082 static struct pci_driver cx8800_pci_driver = {
2083         .name     = "cx8800",
2084         .id_table = cx8800_pci_tbl,
2085         .probe    = cx8800_initdev,
2086         .remove   = __devexit_p(cx8800_finidev),
2087
2088         .suspend  = cx8800_suspend,
2089         .resume   = cx8800_resume,
2090 };
2091
2092 static int cx8800_init(void)
2093 {
2094         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2095                (CX88_VERSION_CODE >> 16) & 0xff,
2096                (CX88_VERSION_CODE >>  8) & 0xff,
2097                CX88_VERSION_CODE & 0xff);
2098 #ifdef SNAPSHOT
2099         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2100                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2101 #endif
2102         return pci_register_driver(&cx8800_pci_driver);
2103 }
2104
2105 static void cx8800_fini(void)
2106 {
2107         pci_unregister_driver(&cx8800_pci_driver);
2108 }
2109
2110 module_init(cx8800_init);
2111 module_exit(cx8800_fini);
2112
2113 EXPORT_SYMBOL(cx88_do_ioctl);
2114
2115 /* ----------------------------------------------------------- */
2116 /*
2117  * Local variables:
2118  * c-basic-offset: 8
2119  * End:
2120  * 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
2121  */