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 /* Include V4L1 specific functions. Should be removed soon */
  39 #include <linux/videodev.h>
  40
  41 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  42 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  43 MODULE_LICENSE("GPL");
  44
  45 /* ------------------------------------------------------------------ */
  46
  47 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  48 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  49 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  50
  51 module_param_array(video_nr, int, NULL, 0444);
  52 module_param_array(vbi_nr,   int, NULL, 0444);
  53 module_param_array(radio_nr, int, NULL, 0444);
  54
  55 MODULE_PARM_DESC(video_nr,"video device numbers");
  56 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  57 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  58
  59 static unsigned int video_debug = 0;
  60 module_param(video_debug,int,0644);
  61 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  62
  63 static unsigned int irq_debug = 0;
  64 module_param(irq_debug,int,0644);
  65 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  66
  67 static unsigned int vid_limit = 16;
  68 module_param(vid_limit,int,0644);
  69 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  70
  71 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  72         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  73
  74 /* ------------------------------------------------------------------ */
  75
  76 static LIST_HEAD(cx8800_devlist);
  77
  78 /* ------------------------------------------------------------------- */
  79 /* static data                                                         */
  80
  81 static struct cx88_tvnorm tvnorms[] = {
  82         {
  83                 .name      = "NTSC-M",
  84                 .id        = V4L2_STD_NTSC_M,
  85                 .cxiformat = VideoFormatNTSC,
  86                 .cxoformat = 0x181f0008,
  87         },{
  88                 .name      = "NTSC-JP",
  89                 .id        = V4L2_STD_NTSC_M_JP,
  90                 .cxiformat = VideoFormatNTSCJapan,
  91                 .cxoformat = 0x181f0008,
  92         },{
  93                 .name      = "PAL-BG",
  94                 .id        = V4L2_STD_PAL_BG,
  95                 .cxiformat = VideoFormatPAL,
  96                 .cxoformat = 0x181f0008,
  97         },{
  98                 .name      = "PAL-DK",
  99                 .id        = V4L2_STD_PAL_DK,
 100                 .cxiformat = VideoFormatPAL,
 101                 .cxoformat = 0x181f0008,
 102         },{
 103                 .name      = "PAL-I",
 104                 .id        = V4L2_STD_PAL_I,
 105                 .cxiformat = VideoFormatPAL,
 106                 .cxoformat = 0x181f0008,
 107         },{
 108                 .name      = "PAL-M",
 109                 .id        = V4L2_STD_PAL_M,
 110                 .cxiformat = VideoFormatPALM,
 111                 .cxoformat = 0x1c1f0008,
 112         },{
 113                 .name      = "PAL-N",
 114                 .id        = V4L2_STD_PAL_N,
 115                 .cxiformat = VideoFormatPALN,
 116                 .cxoformat = 0x1c1f0008,
 117         },{
 118                 .name      = "PAL-Nc",
 119                 .id        = V4L2_STD_PAL_Nc,
 120                 .cxiformat = VideoFormatPALNC,
 121                 .cxoformat = 0x1c1f0008,
 122         },{
 123                 .name      = "PAL-60",
 124                 .id        = V4L2_STD_PAL_60,
 125                 .cxiformat = VideoFormatPAL60,
 126                 .cxoformat = 0x181f0008,
 127         },{
 128                 .name      = "SECAM-L",
 129                 .id        = V4L2_STD_SECAM_L,
 130                 .cxiformat = VideoFormatSECAM,
 131                 .cxoformat = 0x181f0008,
 132         },{
 133                 .name      = "SECAM-DK",
 134                 .id        = V4L2_STD_SECAM_DK,
 135                 .cxiformat = VideoFormatSECAM,
 136                 .cxoformat = 0x181f0008,
 137         }
 138 };
 139
 140 static struct cx8800_fmt formats[] = {
 141         {
 142                 .name     = "8 bpp, gray",
 143                 .fourcc   = V4L2_PIX_FMT_GREY,
 144                 .cxformat = ColorFormatY8,
 145                 .depth    = 8,
 146                 .flags    = FORMAT_FLAGS_PACKED,
 147         },{
 148                 .name     = "15 bpp RGB, le",
 149                 .fourcc   = V4L2_PIX_FMT_RGB555,
 150                 .cxformat = ColorFormatRGB15,
 151                 .depth    = 16,
 152                 .flags    = FORMAT_FLAGS_PACKED,
 153         },{
 154                 .name     = "15 bpp RGB, be",
 155                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 156                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 157                 .depth    = 16,
 158                 .flags    = FORMAT_FLAGS_PACKED,
 159         },{
 160                 .name     = "16 bpp RGB, le",
 161                 .fourcc   = V4L2_PIX_FMT_RGB565,
 162                 .cxformat = ColorFormatRGB16,
 163                 .depth    = 16,
 164                 .flags    = FORMAT_FLAGS_PACKED,
 165         },{
 166                 .name     = "16 bpp RGB, be",
 167                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 168                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 169                 .depth    = 16,
 170                 .flags    = FORMAT_FLAGS_PACKED,
 171         },{
 172                 .name     = "24 bpp RGB, le",
 173                 .fourcc   = V4L2_PIX_FMT_BGR24,
 174                 .cxformat = ColorFormatRGB24,
 175                 .depth    = 24,
 176                 .flags    = FORMAT_FLAGS_PACKED,
 177         },{
 178                 .name     = "32 bpp RGB, le",
 179                 .fourcc   = V4L2_PIX_FMT_BGR32,
 180                 .cxformat = ColorFormatRGB32,
 181                 .depth    = 32,
 182                 .flags    = FORMAT_FLAGS_PACKED,
 183         },{
 184                 .name     = "32 bpp RGB, be",
 185                 .fourcc   = V4L2_PIX_FMT_RGB32,
 186                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 187                 .depth    = 32,
 188                 .flags    = FORMAT_FLAGS_PACKED,
 189         },{
 190                 .name     = "4:2:2, packed, YUYV",
 191                 .fourcc   = V4L2_PIX_FMT_YUYV,
 192                 .cxformat = ColorFormatYUY2,
 193                 .depth    = 16,
 194                 .flags    = FORMAT_FLAGS_PACKED,
 195         },{
 196                 .name     = "4:2:2, packed, UYVY",
 197                 .fourcc   = V4L2_PIX_FMT_UYVY,
 198                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 199                 .depth    = 16,
 200                 .flags    = FORMAT_FLAGS_PACKED,
 201         },
 202 };
 203
 204 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 205 {
 206         unsigned int i;
 207
 208         for (i = 0; i < ARRAY_SIZE(formats); i++)
 209                 if (formats[i].fourcc == fourcc)
 210                         return formats+i;
 211         return NULL;
 212 }
 213
 214 /* ------------------------------------------------------------------- */
 215
 216 static const struct v4l2_queryctrl no_ctl = {
 217         .name  = "42",
 218         .flags = V4L2_CTRL_FLAG_DISABLED,
 219 };
 220
 221 static struct cx88_ctrl cx8800_ctls[] = {
 222         /* --- video --- */
 223         {
 224                 .v = {
 225                         .id            = V4L2_CID_BRIGHTNESS,
 226                         .name          = "Brightness",
 227                         .minimum       = 0x00,
 228                         .maximum       = 0xff,
 229                         .step          = 1,
 230                         .default_value = 0x7f,
 231                         .type          = V4L2_CTRL_TYPE_INTEGER,
 232                 },
 233                 .off                   = 128,
 234                 .reg                   = MO_CONTR_BRIGHT,
 235                 .mask                  = 0x00ff,
 236                 .shift                 = 0,
 237         },{
 238                 .v = {
 239                         .id            = V4L2_CID_CONTRAST,
 240                         .name          = "Contrast",
 241                         .minimum       = 0,
 242                         .maximum       = 0xff,
 243                         .step          = 1,
 244                         .default_value = 0x3f,
 245                         .type          = V4L2_CTRL_TYPE_INTEGER,
 246                 },
 247                 .off                   = 0,
 248                 .reg                   = MO_CONTR_BRIGHT,
 249                 .mask                  = 0xff00,
 250                 .shift                 = 8,
 251         },{
 252                 .v = {
 253                         .id            = V4L2_CID_HUE,
 254                         .name          = "Hue",
 255                         .minimum       = 0,
 256                         .maximum       = 0xff,
 257                         .step          = 1,
 258                         .default_value = 0x7f,
 259                         .type          = V4L2_CTRL_TYPE_INTEGER,
 260                 },
 261                 .off                   = 128,
 262                 .reg                   = MO_HUE,
 263                 .mask                  = 0x00ff,
 264                 .shift                 = 0,
 265         },{
 266                 /* strictly, this only describes only U saturation.
 267                  * V saturation is handled specially through code.
 268                  */
 269                 .v = {
 270                         .id            = V4L2_CID_SATURATION,
 271                         .name          = "Saturation",
 272                         .minimum       = 0,
 273                         .maximum       = 0xff,
 274                         .step          = 1,
 275                         .default_value = 0x7f,
 276                         .type          = V4L2_CTRL_TYPE_INTEGER,
 277                 },
 278                 .off                   = 0,
 279                 .reg                   = MO_UV_SATURATION,
 280                 .mask                  = 0x00ff,
 281                 .shift                 = 0,
 282         },{
 283         /* --- audio --- */
 284                 .v = {
 285                         .id            = V4L2_CID_AUDIO_MUTE,
 286                         .name          = "Mute",
 287                         .minimum       = 0,
 288                         .maximum       = 1,
 289                         .default_value = 1,
 290                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 291                 },
 292                 .reg                   = AUD_VOL_CTL,
 293                 .sreg                  = SHADOW_AUD_VOL_CTL,
 294                 .mask                  = (1 << 6),
 295                 .shift                 = 6,
 296         },{
 297                 .v = {
 298                         .id            = V4L2_CID_AUDIO_VOLUME,
 299                         .name          = "Volume",
 300                         .minimum       = 0,
 301                         .maximum       = 0x3f,
 302                         .step          = 1,
 303                         .default_value = 0x3f,
 304                         .type          = V4L2_CTRL_TYPE_INTEGER,
 305                 },
 306                 .reg                   = AUD_VOL_CTL,
 307                 .sreg                  = SHADOW_AUD_VOL_CTL,
 308                 .mask                  = 0x3f,
 309                 .shift                 = 0,
 310         },{
 311                 .v = {
 312                         .id            = V4L2_CID_AUDIO_BALANCE,
 313                         .name          = "Balance",
 314                         .minimum       = 0,
 315                         .maximum       = 0x7f,
 316                         .step          = 1,
 317                         .default_value = 0x40,
 318                         .type          = V4L2_CTRL_TYPE_INTEGER,
 319                 },
 320                 .reg                   = AUD_BAL_CTL,
 321                 .sreg                  = SHADOW_AUD_BAL_CTL,
 322                 .mask                  = 0x7f,
 323                 .shift                 = 0,
 324         }
 325 };
 326 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 327
 328 /* ------------------------------------------------------------------- */
 329 /* resource management                                                 */
 330
 331 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 332 {
 333         struct cx88_core *core = dev->core;
 334         if (fh->resources & bit)
 335                 /* have it already allocated */
 336                 return 1;
 337
 338         /* is it free? */
 339         mutex_lock(&core->lock);
 340         if (dev->resources & bit) {
 341                 /* no, someone else uses it */
 342                 mutex_unlock(&core->lock);
 343                 return 0;
 344         }
 345         /* it's free, grab it */
 346         fh->resources  |= bit;
 347         dev->resources |= bit;
 348         dprintk(1,"res: get %d\n",bit);
 349         mutex_unlock(&core->lock);
 350         return 1;
 351 }
 352
 353 static
 354 int res_check(struct cx8800_fh *fh, unsigned int bit)
 355 {
 356         return (fh->resources & bit);
 357 }
 358
 359 static
 360 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 361 {
 362         return (dev->resources & bit);
 363 }
 364
 365 static
 366 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 367 {
 368         struct cx88_core *core = dev->core;
 369         if ((fh->resources & bits) != bits)
 370                 BUG();
 371
 372         mutex_lock(&core->lock);
 373         fh->resources  &= ~bits;
 374         dev->resources &= ~bits;
 375         dprintk(1,"res: put %d\n",bits);
 376         mutex_unlock(&core->lock);
 377 }
 378
 379 /* ------------------------------------------------------------------ */
 380
 381 /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */
 382 static int video_mux(struct cx88_core *core, unsigned int input)
 383 {
 384         /* struct cx88_core *core = dev->core; */
 385
 386         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 387                 input, INPUT(input)->vmux,
 388                 INPUT(input)->gpio0,INPUT(input)->gpio1,
 389                 INPUT(input)->gpio2,INPUT(input)->gpio3);
 390         core->input = input;
 391         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
 392         cx_write(MO_GP3_IO, INPUT(input)->gpio3);
 393         cx_write(MO_GP0_IO, INPUT(input)->gpio0);
 394         cx_write(MO_GP1_IO, INPUT(input)->gpio1);
 395         cx_write(MO_GP2_IO, INPUT(input)->gpio2);
 396
 397         switch (INPUT(input)->type) {
 398         case CX88_VMUX_SVIDEO:
 399                 cx_set(MO_AFECFG_IO,    0x00000001);
 400                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 401                 cx_set(MO_FILTER_EVEN,  0x00002020);
 402                 cx_set(MO_FILTER_ODD,   0x00002020);
 403                 break;
 404         default:
 405                 cx_clear(MO_AFECFG_IO,    0x00000001);
 406                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 407                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 408                 cx_clear(MO_FILTER_ODD,   0x00002020);
 409                 break;
 410         }
 411         return 0;
 412 }
 413
 414 /* ------------------------------------------------------------------ */
 415
 416 static int start_video_dma(struct cx8800_dev    *dev,
 417                            struct cx88_dmaqueue *q,
 418                            struct cx88_buffer   *buf)
 419 {
 420         struct cx88_core *core = dev->core;
 421
 422         /* setup fifo + format */
 423         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 424                                 buf->bpl, buf->risc.dma);
 425         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 426         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 427
 428         /* reset counter */
 429         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 430         q->count = 1;
 431
 432         /* enable irqs */
 433         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
 434
 435         /* Enables corresponding bits at PCI_INT_STAT:
 436                 bits 0 to 4: video, audio, transport stream, VIP, Host
 437                 bit 7: timer
 438                 bits 8 and 9: DMA complete for: SRC, DST
 439                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 440                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 441          */
 442         cx_set(MO_VID_INTMSK, 0x0f0011);
 443
 444         /* enable capture */
 445         cx_set(VID_CAPTURE_CONTROL,0x06);
 446
 447         /* start dma */
 448         cx_set(MO_DEV_CNTRL2, (1<<5));
 449         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 450
 451         return 0;
 452 }
 453
 454 static int stop_video_dma(struct cx8800_dev    *dev)
 455 {
 456         struct cx88_core *core = dev->core;
 457
 458         /* stop dma */
 459         cx_clear(MO_VID_DMACNTRL, 0x11);
 460
 461         /* disable capture */
 462         cx_clear(VID_CAPTURE_CONTROL,0x06);
 463
 464         /* disable irqs */
 465         cx_clear(MO_PCI_INTMSK, 0x000001);
 466         cx_clear(MO_VID_INTMSK, 0x0f0011);
 467         return 0;
 468 }
 469
 470 static int restart_video_queue(struct cx8800_dev    *dev,
 471                                struct cx88_dmaqueue *q)
 472 {
 473         struct cx88_core *core = dev->core;
 474         struct cx88_buffer *buf, *prev;
 475         struct list_head *item;
 476
 477         if (!list_empty(&q->active)) {
 478                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 479                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 480                         buf, buf->vb.i);
 481                 start_video_dma(dev, q, buf);
 482                 list_for_each(item,&q->active) {
 483                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 484                         buf->count    = q->count++;
 485                 }
 486                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 487                 return 0;
 488         }
 489
 490         prev = NULL;
 491         for (;;) {
 492                 if (list_empty(&q->queued))
 493                         return 0;
 494                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 495                 if (NULL == prev) {
 496                         list_del(&buf->vb.queue);
 497                         list_add_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_del(&buf->vb.queue);
 509                         list_add_tail(&buf->vb.queue,&q->active);
 510                         buf->vb.state = STATE_ACTIVE;
 511                         buf->count    = q->count++;
 512                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 513                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 514                                 buf,buf->vb.i);
 515                 } else {
 516                         return 0;
 517                 }
 518                 prev = buf;
 519         }
 520 }
 521
 522 /* ------------------------------------------------------------------ */
 523
 524 static int
 525 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 526 {
 527         struct cx8800_fh *fh = q->priv_data;
 528
 529         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 530         if (0 == *count)
 531                 *count = 32;
 532         while (*size * *count > vid_limit * 1024 * 1024)
 533                 (*count)--;
 534         return 0;
 535 }
 536
 537 static int
 538 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 539                enum v4l2_field field)
 540 {
 541         struct cx8800_fh   *fh  = q->priv_data;
 542         struct cx8800_dev  *dev = fh->dev;
 543         struct cx88_core *core = dev->core;
 544         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 545         int rc, init_buffer = 0;
 546
 547         BUG_ON(NULL == fh->fmt);
 548         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 549             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 550                 return -EINVAL;
 551         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 552         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 553                 return -EINVAL;
 554
 555         if (buf->fmt       != fh->fmt    ||
 556             buf->vb.width  != fh->width  ||
 557             buf->vb.height != fh->height ||
 558             buf->vb.field  != field) {
 559                 buf->fmt       = fh->fmt;
 560                 buf->vb.width  = fh->width;
 561                 buf->vb.height = fh->height;
 562                 buf->vb.field  = field;
 563                 init_buffer = 1;
 564         }
 565
 566         if (STATE_NEEDS_INIT == buf->vb.state) {
 567                 init_buffer = 1;
 568                 if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
 569                         goto fail;
 570         }
 571
 572         if (init_buffer) {
 573                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 574                 switch (buf->vb.field) {
 575                 case V4L2_FIELD_TOP:
 576                         cx88_risc_buffer(dev->pci, &buf->risc,
 577                                          buf->vb.dma.sglist, 0, UNSET,
 578                                          buf->bpl, 0, buf->vb.height);
 579                         break;
 580                 case V4L2_FIELD_BOTTOM:
 581                         cx88_risc_buffer(dev->pci, &buf->risc,
 582                                          buf->vb.dma.sglist, UNSET, 0,
 583                                          buf->bpl, 0, buf->vb.height);
 584                         break;
 585                 case V4L2_FIELD_INTERLACED:
 586                         cx88_risc_buffer(dev->pci, &buf->risc,
 587                                          buf->vb.dma.sglist, 0, buf->bpl,
 588                                          buf->bpl, buf->bpl,
 589                                          buf->vb.height >> 1);
 590                         break;
 591                 case V4L2_FIELD_SEQ_TB:
 592                         cx88_risc_buffer(dev->pci, &buf->risc,
 593                                          buf->vb.dma.sglist,
 594                                          0, buf->bpl * (buf->vb.height >> 1),
 595                                          buf->bpl, 0,
 596                                          buf->vb.height >> 1);
 597                         break;
 598                 case V4L2_FIELD_SEQ_BT:
 599                         cx88_risc_buffer(dev->pci, &buf->risc,
 600                                          buf->vb.dma.sglist,
 601                                          buf->bpl * (buf->vb.height >> 1), 0,
 602                                          buf->bpl, 0,
 603                                          buf->vb.height >> 1);
 604                         break;
 605                 default:
 606                         BUG();
 607                 }
 608         }
 609         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 610                 buf, buf->vb.i,
 611                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 612                 (unsigned long)buf->risc.dma);
 613
 614         buf->vb.state = STATE_PREPARED;
 615         return 0;
 616
 617  fail:
 618         cx88_free_buffer(dev->pci,buf);
 619         return rc;
 620 }
 621
 622 static void
 623 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 624 {
 625         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 626         struct cx88_buffer    *prev;
 627         struct cx8800_fh      *fh   = vq->priv_data;
 628         struct cx8800_dev     *dev  = fh->dev;
 629         struct cx88_core      *core = dev->core;
 630         struct cx88_dmaqueue  *q    = &dev->vidq;
 631
 632         /* add jump to stopper */
 633         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 634         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 635
 636         if (!list_empty(&q->queued)) {
 637                 list_add_tail(&buf->vb.queue,&q->queued);
 638                 buf->vb.state = STATE_QUEUED;
 639                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 640                         buf, buf->vb.i);
 641
 642         } else if (list_empty(&q->active)) {
 643                 list_add_tail(&buf->vb.queue,&q->active);
 644                 start_video_dma(dev, q, buf);
 645                 buf->vb.state = STATE_ACTIVE;
 646                 buf->count    = q->count++;
 647                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 648                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 649                         buf, buf->vb.i);
 650
 651         } else {
 652                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 653                 if (prev->vb.width  == buf->vb.width  &&
 654                     prev->vb.height == buf->vb.height &&
 655                     prev->fmt       == buf->fmt) {
 656                         list_add_tail(&buf->vb.queue,&q->active);
 657                         buf->vb.state = STATE_ACTIVE;
 658                         buf->count    = q->count++;
 659                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 660                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 661                                 buf, buf->vb.i);
 662
 663                 } else {
 664                         list_add_tail(&buf->vb.queue,&q->queued);
 665                         buf->vb.state = STATE_QUEUED;
 666                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 667                                 buf, buf->vb.i);
 668                 }
 669         }
 670 }
 671
 672 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 673 {
 674         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 675         struct cx8800_fh   *fh  = q->priv_data;
 676
 677         cx88_free_buffer(fh->dev->pci,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         dprintk(2, "CORE IOCTL: 0x%x\n", cmd );
1256         if (video_debug > 1)
1257                 v4l_print_ioctl(core->name,cmd);
1258
1259         switch (cmd) {
1260         /* ---------- tv norms ---------- */
1261         case VIDIOC_ENUMSTD:
1262         {
1263                 struct v4l2_standard *e = arg;
1264                 unsigned int i;
1265
1266                 i = e->index;
1267                 if (i >= ARRAY_SIZE(tvnorms))
1268                         return -EINVAL;
1269                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1270                                                tvnorms[e->index].name);
1271                 e->index = i;
1272                 if (err < 0)
1273                         return err;
1274                 return 0;
1275         }
1276         case VIDIOC_G_STD:
1277         {
1278                 v4l2_std_id *id = arg;
1279
1280                 *id = core->tvnorm->id;
1281                 return 0;
1282         }
1283         case VIDIOC_S_STD:
1284         {
1285                 v4l2_std_id *id = arg;
1286                 unsigned int i;
1287
1288                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1289                         if (*id & tvnorms[i].id)
1290                                 break;
1291                 if (i == ARRAY_SIZE(tvnorms))
1292                         return -EINVAL;
1293
1294                 mutex_lock(&core->lock);
1295                 cx88_set_tvnorm(core,&tvnorms[i]);
1296                 mutex_unlock(&core->lock);
1297                 return 0;
1298         }
1299
1300         /* ------ input switching ---------- */
1301         case VIDIOC_ENUMINPUT:
1302         {
1303                 static const char *iname[] = {
1304                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1305                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1306                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1307                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1308                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1309                         [ CX88_VMUX_TELEVISION ] = "Television",
1310                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1311                         [ CX88_VMUX_DVB        ] = "DVB",
1312                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1313                 };
1314                 struct v4l2_input *i = arg;
1315                 unsigned int n;
1316
1317                 n = i->index;
1318                 if (n >= 4)
1319                         return -EINVAL;
1320                 if (0 == INPUT(n)->type)
1321                         return -EINVAL;
1322                 memset(i,0,sizeof(*i));
1323                 i->index = n;
1324                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1325                 strcpy(i->name,iname[INPUT(n)->type]);
1326                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1327                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1328                         i->type = V4L2_INPUT_TYPE_TUNER;
1329                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1330                         i->std |= tvnorms[n].id;
1331                 return 0;
1332         }
1333         case VIDIOC_G_INPUT:
1334         {
1335                 unsigned int *i = arg;
1336
1337                 *i = core->input;
1338                 return 0;
1339         }
1340         case VIDIOC_S_INPUT:
1341         {
1342                 unsigned int *i = arg;
1343
1344                 if (*i >= 4)
1345                         return -EINVAL;
1346                 mutex_lock(&core->lock);
1347                 cx88_newstation(core);
1348                 video_mux(core,*i);
1349                 mutex_unlock(&core->lock);
1350                 return 0;
1351         }
1352
1353
1354
1355         /* --- controls ---------------------------------------------- */
1356         case VIDIOC_QUERYCTRL:
1357         {
1358                 struct v4l2_queryctrl *c = arg;
1359                 int i;
1360
1361                 if (c->id <  V4L2_CID_BASE ||
1362                     c->id >= V4L2_CID_LASTP1)
1363                         return -EINVAL;
1364                 for (i = 0; i < CX8800_CTLS; i++)
1365                         if (cx8800_ctls[i].v.id == c->id)
1366                                 break;
1367                 if (i == CX8800_CTLS) {
1368                         *c = no_ctl;
1369                         return 0;
1370                 }
1371                 *c = cx8800_ctls[i].v;
1372                 return 0;
1373         }
1374         case VIDIOC_G_CTRL:
1375                 return get_control(core,arg);
1376         case VIDIOC_S_CTRL:
1377                 return set_control(core,arg);
1378
1379         /* --- tuner ioctls ------------------------------------------ */
1380         case VIDIOC_G_TUNER:
1381         {
1382                 struct v4l2_tuner *t = arg;
1383                 u32 reg;
1384
1385                 if (UNSET == core->tuner_type)
1386                         return -EINVAL;
1387                 if (0 != t->index)
1388                         return -EINVAL;
1389
1390                 memset(t,0,sizeof(*t));
1391                 strcpy(t->name, "Television");
1392                 t->type       = V4L2_TUNER_ANALOG_TV;
1393                 t->capability = V4L2_TUNER_CAP_NORM;
1394                 t->rangehigh  = 0xffffffffUL;
1395
1396                 cx88_get_stereo(core ,t);
1397                 reg = cx_read(MO_DEVICE_STATUS);
1398                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1399                 return 0;
1400         }
1401         case VIDIOC_S_TUNER:
1402         {
1403                 struct v4l2_tuner *t = arg;
1404
1405                 if (UNSET == core->tuner_type)
1406                         return -EINVAL;
1407                 if (0 != t->index)
1408                         return -EINVAL;
1409                 cx88_set_stereo(core, t->audmode, 1);
1410                 return 0;
1411         }
1412         case VIDIOC_G_FREQUENCY:
1413         {
1414                 struct v4l2_frequency *f = arg;
1415
1416                 memset(f,0,sizeof(*f));
1417
1418                 if (UNSET == core->tuner_type)
1419                         return -EINVAL;
1420
1421                 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1422                 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1423                 f->frequency = core->freq;
1424
1425                 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1426
1427                 return 0;
1428         }
1429         case VIDIOC_S_FREQUENCY:
1430         {
1431                 struct v4l2_frequency *f = arg;
1432
1433                 if (UNSET == core->tuner_type)
1434                         return -EINVAL;
1435                 if (f->tuner != 0)
1436                         return -EINVAL;
1437                 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1438                         return -EINVAL;
1439                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1440                         return -EINVAL;
1441                 mutex_lock(&core->lock);
1442                 core->freq = f->frequency;
1443                 cx88_newstation(core);
1444                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1445
1446                 /* When changing channels it is required to reset TVAUDIO */
1447                 msleep (10);
1448                 cx88_set_tvaudio(core);
1449
1450                 mutex_unlock(&core->lock);
1451                 return 0;
1452         }
1453
1454         default:
1455                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1456                                                   driver_ioctl);
1457         }
1458         return 0;
1459 }
1460
1461 static int video_ioctl(struct inode *inode, struct file *file,
1462                        unsigned int cmd, unsigned long arg)
1463 {
1464         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1465 }
1466
1467 /* ----------------------------------------------------------- */
1468
1469 static int radio_do_ioctl(struct inode *inode, struct file *file,
1470                         unsigned int cmd, void *arg)
1471 {
1472         struct cx8800_fh *fh    = file->private_data;
1473         struct cx8800_dev *dev  = fh->dev;
1474         struct cx88_core  *core = dev->core;
1475
1476         if (video_debug > 1)
1477                 v4l_print_ioctl(core->name,cmd);
1478
1479         switch (cmd) {
1480         case VIDIOC_QUERYCAP:
1481         {
1482                 struct v4l2_capability *cap = arg;
1483
1484                 memset(cap,0,sizeof(*cap));
1485                 strcpy(cap->driver, "cx8800");
1486                 strlcpy(cap->card, cx88_boards[core->board].name,
1487                         sizeof(cap->card));
1488                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1489                 cap->version = CX88_VERSION_CODE;
1490                 cap->capabilities = V4L2_CAP_TUNER;
1491                 return 0;
1492         }
1493         case VIDIOC_G_TUNER:
1494         {
1495                 struct v4l2_tuner *t = arg;
1496
1497                 if (t->index > 0)
1498                         return -EINVAL;
1499
1500                 memset(t,0,sizeof(*t));
1501                 strcpy(t->name, "Radio");
1502                 t->type = V4L2_TUNER_RADIO;
1503
1504                 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1505                 return 0;
1506         }
1507         case VIDIOC_ENUMINPUT:
1508         {
1509                 struct v4l2_input *i = arg;
1510
1511                 if (i->index != 0)
1512                         return -EINVAL;
1513                 strcpy(i->name,"Radio");
1514                 i->type = V4L2_INPUT_TYPE_TUNER;
1515                 return 0;
1516         }
1517         case VIDIOC_G_INPUT:
1518         {
1519                 int *i = arg;
1520                 *i = 0;
1521                 return 0;
1522         }
1523         case VIDIOC_G_AUDIO:
1524         {
1525                 struct v4l2_audio *a = arg;
1526
1527                 memset(a,0,sizeof(*a));
1528                 strcpy(a->name,"Radio");
1529                 return 0;
1530         }
1531         case VIDIOC_G_STD:
1532         {
1533                 v4l2_std_id *id = arg;
1534                 *id = 0;
1535                 return 0;
1536         }
1537 #ifdef HAVE_V4L1
1538         case VIDIOCSTUNER:
1539         {
1540                 struct video_tuner *v = arg;
1541
1542                 if (v->tuner) /* Only tuner 0 */
1543                         return -EINVAL;
1544
1545                 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1546                 return 0;
1547         }
1548 #endif
1549         case VIDIOC_S_TUNER:
1550         {
1551                 struct v4l2_tuner *t = arg;
1552
1553                 if (0 != t->index)
1554                         return -EINVAL;
1555
1556                 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1557
1558                 return 0;
1559         }
1560
1561         case VIDIOC_S_AUDIO:
1562         case VIDIOC_S_INPUT:
1563         case VIDIOC_S_STD:
1564                 return 0;
1565
1566         case VIDIOC_QUERYCTRL:
1567         {
1568                 struct v4l2_queryctrl *c = arg;
1569                 int i;
1570
1571                 if (c->id <  V4L2_CID_BASE ||
1572                     c->id >= V4L2_CID_LASTP1)
1573                         return -EINVAL;
1574                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1575                         for (i = 0; i < CX8800_CTLS; i++)
1576                                 if (cx8800_ctls[i].v.id == c->id)
1577                                         break;
1578                         *c = cx8800_ctls[i].v;
1579                 } else
1580                         *c = no_ctl;
1581                 return 0;
1582         }
1583
1584
1585         case VIDIOC_G_CTRL:
1586         case VIDIOC_S_CTRL:
1587         case VIDIOC_G_FREQUENCY:
1588         case VIDIOC_S_FREQUENCY:
1589                 return video_do_ioctl(inode,file,cmd,arg);
1590
1591         default:
1592                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1593                                                   radio_do_ioctl);
1594         }
1595         return 0;
1596 };
1597
1598 static int radio_ioctl(struct inode *inode, struct file *file,
1599                         unsigned int cmd, unsigned long arg)
1600 {
1601         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1602 };
1603
1604 /* ----------------------------------------------------------- */
1605
1606 static void cx8800_vid_timeout(unsigned long data)
1607 {
1608         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1609         struct cx88_core *core = dev->core;
1610         struct cx88_dmaqueue *q = &dev->vidq;
1611         struct cx88_buffer *buf;
1612         unsigned long flags;
1613
1614         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1615
1616         cx_clear(MO_VID_DMACNTRL, 0x11);
1617         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1618
1619         spin_lock_irqsave(&dev->slock,flags);
1620         while (!list_empty(&q->active)) {
1621                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1622                 list_del(&buf->vb.queue);
1623                 buf->vb.state = STATE_ERROR;
1624                 wake_up(&buf->vb.done);
1625                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1626                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1627         }
1628         restart_video_queue(dev,q);
1629         spin_unlock_irqrestore(&dev->slock,flags);
1630 }
1631
1632 static char *cx88_vid_irqs[32] = {
1633         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1634         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1635         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1636         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1637         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1638 };
1639
1640 static void cx8800_vid_irq(struct cx8800_dev *dev)
1641 {
1642         struct cx88_core *core = dev->core;
1643         u32 status, mask, count;
1644
1645         status = cx_read(MO_VID_INTSTAT);
1646         mask   = cx_read(MO_VID_INTMSK);
1647         if (0 == (status & mask))
1648                 return;
1649         cx_write(MO_VID_INTSTAT, status);
1650         if (irq_debug  ||  (status & mask & ~0xff))
1651                 cx88_print_irqbits(core->name, "irq vid",
1652                                    cx88_vid_irqs, status, mask);
1653
1654         /* risc op code error */
1655         if (status & (1 << 16)) {
1656                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1657                 cx_clear(MO_VID_DMACNTRL, 0x11);
1658                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1659                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1660         }
1661
1662         /* risc1 y */
1663         if (status & 0x01) {
1664                 spin_lock(&dev->slock);
1665                 count = cx_read(MO_VIDY_GPCNT);
1666                 cx88_wakeup(core, &dev->vidq, count);
1667                 spin_unlock(&dev->slock);
1668         }
1669
1670         /* risc1 vbi */
1671         if (status & 0x08) {
1672                 spin_lock(&dev->slock);
1673                 count = cx_read(MO_VBI_GPCNT);
1674                 cx88_wakeup(core, &dev->vbiq, count);
1675                 spin_unlock(&dev->slock);
1676         }
1677
1678         /* risc2 y */
1679         if (status & 0x10) {
1680                 dprintk(2,"stopper video\n");
1681                 spin_lock(&dev->slock);
1682                 restart_video_queue(dev,&dev->vidq);
1683                 spin_unlock(&dev->slock);
1684         }
1685
1686         /* risc2 vbi */
1687         if (status & 0x80) {
1688                 dprintk(2,"stopper vbi\n");
1689                 spin_lock(&dev->slock);
1690                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1691                 spin_unlock(&dev->slock);
1692         }
1693 }
1694
1695 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1696 {
1697         struct cx8800_dev *dev = dev_id;
1698         struct cx88_core *core = dev->core;
1699         u32 status;
1700         int loop, handled = 0;
1701
1702         for (loop = 0; loop < 10; loop++) {
1703                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1704                 if (0 == status)
1705                         goto out;
1706                 cx_write(MO_PCI_INTSTAT, status);
1707                 handled = 1;
1708
1709                 if (status & core->pci_irqmask)
1710                         cx88_core_irq(core,status);
1711                 if (status & 0x01)
1712                         cx8800_vid_irq(dev);
1713         };
1714         if (10 == loop) {
1715                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1716                        core->name);
1717                 cx_write(MO_PCI_INTMSK,0);
1718         }
1719
1720  out:
1721         return IRQ_RETVAL(handled);
1722 }
1723
1724 /* ----------------------------------------------------------- */
1725 /* exported stuff                                              */
1726
1727 static struct file_operations video_fops =
1728 {
1729         .owner         = THIS_MODULE,
1730         .open          = video_open,
1731         .release       = video_release,
1732         .read          = video_read,
1733         .poll          = video_poll,
1734         .mmap          = video_mmap,
1735         .ioctl         = video_ioctl,
1736         .compat_ioctl  = v4l_compat_ioctl32,
1737         .llseek        = no_llseek,
1738 };
1739
1740 static struct video_device cx8800_video_template =
1741 {
1742         .name          = "cx8800-video",
1743         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1744         .hardware      = 0,
1745         .fops          = &video_fops,
1746         .minor         = -1,
1747 };
1748
1749 static struct video_device cx8800_vbi_template =
1750 {
1751         .name          = "cx8800-vbi",
1752         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1753         .hardware      = 0,
1754         .fops          = &video_fops,
1755         .minor         = -1,
1756 };
1757
1758 static struct file_operations radio_fops =
1759 {
1760         .owner         = THIS_MODULE,
1761         .open          = video_open,
1762         .release       = video_release,
1763         .ioctl         = radio_ioctl,
1764         .compat_ioctl  = v4l_compat_ioctl32,
1765         .llseek        = no_llseek,
1766 };
1767
1768 static struct video_device cx8800_radio_template =
1769 {
1770         .name          = "cx8800-radio",
1771         .type          = VID_TYPE_TUNER,
1772         .hardware      = 0,
1773         .fops          = &radio_fops,
1774         .minor         = -1,
1775 };
1776
1777 /* ----------------------------------------------------------- */
1778
1779 static void cx8800_unregister_video(struct cx8800_dev *dev)
1780 {
1781         if (dev->radio_dev) {
1782                 if (-1 != dev->radio_dev->minor)
1783                         video_unregister_device(dev->radio_dev);
1784                 else
1785                         video_device_release(dev->radio_dev);
1786                 dev->radio_dev = NULL;
1787         }
1788         if (dev->vbi_dev) {
1789                 if (-1 != dev->vbi_dev->minor)
1790                         video_unregister_device(dev->vbi_dev);
1791                 else
1792                         video_device_release(dev->vbi_dev);
1793                 dev->vbi_dev = NULL;
1794         }
1795         if (dev->video_dev) {
1796                 if (-1 != dev->video_dev->minor)
1797                         video_unregister_device(dev->video_dev);
1798                 else
1799                         video_device_release(dev->video_dev);
1800                 dev->video_dev = NULL;
1801         }
1802 }
1803
1804 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1805                                     const struct pci_device_id *pci_id)
1806 {
1807         struct cx8800_dev *dev;
1808         struct cx88_core *core;
1809         int err;
1810
1811         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1812         if (NULL == dev)
1813                 return -ENOMEM;
1814
1815         /* pci init */
1816         dev->pci = pci_dev;
1817         if (pci_enable_device(pci_dev)) {
1818                 err = -EIO;
1819                 goto fail_free;
1820         }
1821         core = cx88_core_get(dev->pci);
1822         if (NULL == core) {
1823                 err = -EINVAL;
1824                 goto fail_free;
1825         }
1826         dev->core = core;
1827
1828         /* print pci info */
1829         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1830         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1831         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1832                "latency: %d, mmio: 0x%lx\n", core->name,
1833                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1834                dev->pci_lat,pci_resource_start(pci_dev,0));
1835
1836         pci_set_master(pci_dev);
1837         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1838                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1839                 err = -EIO;
1840                 goto fail_core;
1841         }
1842
1843         /* initialize driver struct */
1844         spin_lock_init(&dev->slock);
1845         core->tvnorm = tvnorms;
1846
1847         /* init video dma queues */
1848         INIT_LIST_HEAD(&dev->vidq.active);
1849         INIT_LIST_HEAD(&dev->vidq.queued);
1850         dev->vidq.timeout.function = cx8800_vid_timeout;
1851         dev->vidq.timeout.data     = (unsigned long)dev;
1852         init_timer(&dev->vidq.timeout);
1853         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1854                           MO_VID_DMACNTRL,0x11,0x00);
1855
1856         /* init vbi dma queues */
1857         INIT_LIST_HEAD(&dev->vbiq.active);
1858         INIT_LIST_HEAD(&dev->vbiq.queued);
1859         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1860         dev->vbiq.timeout.data     = (unsigned long)dev;
1861         init_timer(&dev->vbiq.timeout);
1862         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1863                           MO_VID_DMACNTRL,0x88,0x00);
1864
1865         /* get irq */
1866         err = request_irq(pci_dev->irq, cx8800_irq,
1867                           SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1868         if (err < 0) {
1869                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1870                        core->name,pci_dev->irq);
1871                 goto fail_core;
1872         }
1873         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1874
1875         /* load and configure helper modules */
1876         if (TUNER_ABSENT != core->tuner_type)
1877                 request_module("tuner");
1878         if (core->tda9887_conf)
1879                 request_module("tda9887");
1880
1881         /* register v4l devices */
1882         dev->video_dev = cx88_vdev_init(core,dev->pci,
1883                                         &cx8800_video_template,"video");
1884         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1885                                     video_nr[core->nr]);
1886         if (err < 0) {
1887                 printk(KERN_INFO "%s: can't register video device\n",
1888                        core->name);
1889                 goto fail_unreg;
1890         }
1891         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1892                core->name,dev->video_dev->minor & 0x1f);
1893
1894         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1895         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1896                                     vbi_nr[core->nr]);
1897         if (err < 0) {
1898                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1899                        core->name);
1900                 goto fail_unreg;
1901         }
1902         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1903                core->name,dev->vbi_dev->minor & 0x1f);
1904
1905         if (core->has_radio) {
1906                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1907                                                 &cx8800_radio_template,"radio");
1908                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1909                                             radio_nr[core->nr]);
1910                 if (err < 0) {
1911                         printk(KERN_INFO "%s/0: can't register radio device\n",
1912                                core->name);
1913                         goto fail_unreg;
1914                 }
1915                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1916                        core->name,dev->radio_dev->minor & 0x1f);
1917         }
1918
1919         /* everything worked */
1920         list_add_tail(&dev->devlist,&cx8800_devlist);
1921         pci_set_drvdata(pci_dev,dev);
1922
1923         /* initial device configuration */
1924         mutex_lock(&core->lock);
1925         cx88_set_tvnorm(core,tvnorms);
1926         init_controls(core);
1927         video_mux(core,0);
1928         mutex_unlock(&core->lock);
1929
1930         /* start tvaudio thread */
1931         if (core->tuner_type != TUNER_ABSENT)
1932                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1933         return 0;
1934
1935 fail_unreg:
1936         cx8800_unregister_video(dev);
1937         free_irq(pci_dev->irq, dev);
1938 fail_core:
1939         cx88_core_put(core,dev->pci);
1940 fail_free:
1941         kfree(dev);
1942         return err;
1943 }
1944
1945 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1946 {
1947         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1948         struct cx88_core *core = dev->core;
1949
1950         /* stop thread */
1951         if (core->kthread) {
1952                 kthread_stop(core->kthread);
1953                 core->kthread = NULL;
1954         }
1955
1956         cx88_shutdown(core); /* FIXME */
1957         pci_disable_device(pci_dev);
1958
1959         /* unregister stuff */
1960
1961         free_irq(pci_dev->irq, dev);
1962         cx8800_unregister_video(dev);
1963         pci_set_drvdata(pci_dev, NULL);
1964
1965         /* free memory */
1966         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1967         list_del(&dev->devlist);
1968         cx88_core_put(core,dev->pci);
1969         kfree(dev);
1970 }
1971
1972 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1973 {
1974         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1975         struct cx88_core *core = dev->core;
1976
1977         /* stop video+vbi capture */
1978         spin_lock(&dev->slock);
1979         if (!list_empty(&dev->vidq.active)) {
1980                 printk("%s: suspend video\n", core->name);
1981                 stop_video_dma(dev);
1982                 del_timer(&dev->vidq.timeout);
1983         }
1984         if (!list_empty(&dev->vbiq.active)) {
1985                 printk("%s: suspend vbi\n", core->name);
1986                 cx8800_stop_vbi_dma(dev);
1987                 del_timer(&dev->vbiq.timeout);
1988         }
1989         spin_unlock(&dev->slock);
1990
1991         /* FIXME -- shutdown device */
1992         cx88_shutdown(core);
1993
1994         pci_save_state(pci_dev);
1995         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1996                 pci_disable_device(pci_dev);
1997                 dev->state.disabled = 1;
1998         }
1999         return 0;
2000 }
2001
2002 static int cx8800_resume(struct pci_dev *pci_dev)
2003 {
2004         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2005         struct cx88_core *core = dev->core;
2006         int err;
2007
2008         if (dev->state.disabled) {
2009                 err=pci_enable_device(pci_dev);
2010                 if (err) {
2011                         printk(KERN_ERR "%s: can't enable device\n",
2012                                                        core->name);
2013                         return err;
2014                 }
2015
2016                 dev->state.disabled = 0;
2017         }
2018         err= pci_set_power_state(pci_dev, PCI_D0);
2019         if (err) {
2020                 printk(KERN_ERR "%s: can't enable device\n",
2021                                        core->name);
2022
2023                 pci_disable_device(pci_dev);
2024                 dev->state.disabled = 1;
2025
2026                 return err;
2027         }
2028         pci_restore_state(pci_dev);
2029
2030         /* FIXME: re-initialize hardware */
2031         cx88_reset(core);
2032
2033         /* restart video+vbi capture */
2034         spin_lock(&dev->slock);
2035         if (!list_empty(&dev->vidq.active)) {
2036                 printk("%s: resume video\n", core->name);
2037                 restart_video_queue(dev,&dev->vidq);
2038         }
2039         if (!list_empty(&dev->vbiq.active)) {
2040                 printk("%s: resume vbi\n", core->name);
2041                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2042         }
2043         spin_unlock(&dev->slock);
2044
2045         return 0;
2046 }
2047
2048 /* ----------------------------------------------------------- */
2049
2050 static struct pci_device_id cx8800_pci_tbl[] = {
2051         {
2052                 .vendor       = 0x14f1,
2053                 .device       = 0x8800,
2054                 .subvendor    = PCI_ANY_ID,
2055                 .subdevice    = PCI_ANY_ID,
2056         },{
2057                 /* --- end of list --- */
2058         }
2059 };
2060 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2061
2062 static struct pci_driver cx8800_pci_driver = {
2063         .name     = "cx8800",
2064         .id_table = cx8800_pci_tbl,
2065         .probe    = cx8800_initdev,
2066         .remove   = __devexit_p(cx8800_finidev),
2067
2068         .suspend  = cx8800_suspend,
2069         .resume   = cx8800_resume,
2070 };
2071
2072 static int cx8800_init(void)
2073 {
2074         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2075                (CX88_VERSION_CODE >> 16) & 0xff,
2076                (CX88_VERSION_CODE >>  8) & 0xff,
2077                CX88_VERSION_CODE & 0xff);
2078 #ifdef SNAPSHOT
2079         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2080                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2081 #endif
2082         return pci_register_driver(&cx8800_pci_driver);
2083 }
2084
2085 static void cx8800_fini(void)
2086 {
2087         pci_unregister_driver(&cx8800_pci_driver);
2088 }
2089
2090 module_init(cx8800_init);
2091 module_exit(cx8800_fini);
2092
2093 EXPORT_SYMBOL(cx88_do_ioctl);
2094
2095 /* ----------------------------------------------------------- */
2096 /*
2097  * Local variables:
2098  * c-basic-offset: 8
2099  * End:
2100  * 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
2101  */