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
  37 /* Include V4L1 specific functions. Should be removed soon */
  38 #include <linux/videodev.h>
  39
  40 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  41 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  42 MODULE_LICENSE("GPL");
  43
  44 /* ------------------------------------------------------------------ */
  45
  46 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  47 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  48 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  49
  50 module_param_array(video_nr, int, NULL, 0444);
  51 module_param_array(vbi_nr,   int, NULL, 0444);
  52 module_param_array(radio_nr, int, NULL, 0444);
  53
  54 MODULE_PARM_DESC(video_nr,"video device numbers");
  55 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  56 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  57
  58 static unsigned int video_debug = 0;
  59 module_param(video_debug,int,0644);
  60 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  61
  62 static unsigned int irq_debug = 0;
  63 module_param(irq_debug,int,0644);
  64 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  65
  66 static unsigned int vid_limit = 16;
  67 module_param(vid_limit,int,0644);
  68 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  69
  70 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  71         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  72
  73 /* ------------------------------------------------------------------ */
  74
  75 static LIST_HEAD(cx8800_devlist);
  76
  77 /* ------------------------------------------------------------------- */
  78 /* static data                                                         */
  79
  80 static struct cx88_tvnorm tvnorms[] = {
  81         {
  82                 .name      = "NTSC-M",
  83                 .id        = V4L2_STD_NTSC_M,
  84                 .cxiformat = VideoFormatNTSC,
  85                 .cxoformat = 0x181f0008,
  86         },{
  87                 .name      = "NTSC-JP",
  88                 .id        = V4L2_STD_NTSC_M_JP,
  89                 .cxiformat = VideoFormatNTSCJapan,
  90                 .cxoformat = 0x181f0008,
  91         },{
  92                 .name      = "PAL-BG",
  93                 .id        = V4L2_STD_PAL_BG,
  94                 .cxiformat = VideoFormatPAL,
  95                 .cxoformat = 0x181f0008,
  96         },{
  97                 .name      = "PAL-DK",
  98                 .id        = V4L2_STD_PAL_DK,
  99                 .cxiformat = VideoFormatPAL,
 100                 .cxoformat = 0x181f0008,
 101         },{
 102                 .name      = "PAL-I",
 103                 .id        = V4L2_STD_PAL_I,
 104                 .cxiformat = VideoFormatPAL,
 105                 .cxoformat = 0x181f0008,
 106         },{
 107                 .name      = "PAL-M",
 108                 .id        = V4L2_STD_PAL_M,
 109                 .cxiformat = VideoFormatPALM,
 110                 .cxoformat = 0x1c1f0008,
 111         },{
 112                 .name      = "PAL-N",
 113                 .id        = V4L2_STD_PAL_N,
 114                 .cxiformat = VideoFormatPALN,
 115                 .cxoformat = 0x1c1f0008,
 116         },{
 117                 .name      = "PAL-Nc",
 118                 .id        = V4L2_STD_PAL_Nc,
 119                 .cxiformat = VideoFormatPALNC,
 120                 .cxoformat = 0x1c1f0008,
 121         },{
 122                 .name      = "PAL-60",
 123                 .id        = V4L2_STD_PAL_60,
 124                 .cxiformat = VideoFormatPAL60,
 125                 .cxoformat = 0x181f0008,
 126         },{
 127                 .name      = "SECAM-L",
 128                 .id        = V4L2_STD_SECAM_L,
 129                 .cxiformat = VideoFormatSECAM,
 130                 .cxoformat = 0x181f0008,
 131         },{
 132                 .name      = "SECAM-DK",
 133                 .id        = V4L2_STD_SECAM_DK,
 134                 .cxiformat = VideoFormatSECAM,
 135                 .cxoformat = 0x181f0008,
 136         }
 137 };
 138
 139 static struct cx8800_fmt formats[] = {
 140         {
 141                 .name     = "8 bpp, gray",
 142                 .fourcc   = V4L2_PIX_FMT_GREY,
 143                 .cxformat = ColorFormatY8,
 144                 .depth    = 8,
 145                 .flags    = FORMAT_FLAGS_PACKED,
 146         },{
 147                 .name     = "15 bpp RGB, le",
 148                 .fourcc   = V4L2_PIX_FMT_RGB555,
 149                 .cxformat = ColorFormatRGB15,
 150                 .depth    = 16,
 151                 .flags    = FORMAT_FLAGS_PACKED,
 152         },{
 153                 .name     = "15 bpp RGB, be",
 154                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 155                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 156                 .depth    = 16,
 157                 .flags    = FORMAT_FLAGS_PACKED,
 158         },{
 159                 .name     = "16 bpp RGB, le",
 160                 .fourcc   = V4L2_PIX_FMT_RGB565,
 161                 .cxformat = ColorFormatRGB16,
 162                 .depth    = 16,
 163                 .flags    = FORMAT_FLAGS_PACKED,
 164         },{
 165                 .name     = "16 bpp RGB, be",
 166                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 167                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 168                 .depth    = 16,
 169                 .flags    = FORMAT_FLAGS_PACKED,
 170         },{
 171                 .name     = "24 bpp RGB, le",
 172                 .fourcc   = V4L2_PIX_FMT_BGR24,
 173                 .cxformat = ColorFormatRGB24,
 174                 .depth    = 24,
 175                 .flags    = FORMAT_FLAGS_PACKED,
 176         },{
 177                 .name     = "32 bpp RGB, le",
 178                 .fourcc   = V4L2_PIX_FMT_BGR32,
 179                 .cxformat = ColorFormatRGB32,
 180                 .depth    = 32,
 181                 .flags    = FORMAT_FLAGS_PACKED,
 182         },{
 183                 .name     = "32 bpp RGB, be",
 184                 .fourcc   = V4L2_PIX_FMT_RGB32,
 185                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 186                 .depth    = 32,
 187                 .flags    = FORMAT_FLAGS_PACKED,
 188         },{
 189                 .name     = "4:2:2, packed, YUYV",
 190                 .fourcc   = V4L2_PIX_FMT_YUYV,
 191                 .cxformat = ColorFormatYUY2,
 192                 .depth    = 16,
 193                 .flags    = FORMAT_FLAGS_PACKED,
 194         },{
 195                 .name     = "4:2:2, packed, UYVY",
 196                 .fourcc   = V4L2_PIX_FMT_UYVY,
 197                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 198                 .depth    = 16,
 199                 .flags    = FORMAT_FLAGS_PACKED,
 200         },
 201 };
 202
 203 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 204 {
 205         unsigned int i;
 206
 207         for (i = 0; i < ARRAY_SIZE(formats); i++)
 208                 if (formats[i].fourcc == fourcc)
 209                         return formats+i;
 210         return NULL;
 211 }
 212
 213 /* ------------------------------------------------------------------- */
 214
 215 static const struct v4l2_queryctrl no_ctl = {
 216         .name  = "42",
 217         .flags = V4L2_CTRL_FLAG_DISABLED,
 218 };
 219
 220 static struct cx88_ctrl cx8800_ctls[] = {
 221         /* --- video --- */
 222         {
 223                 .v = {
 224                         .id            = V4L2_CID_BRIGHTNESS,
 225                         .name          = "Brightness",
 226                         .minimum       = 0x00,
 227                         .maximum       = 0xff,
 228                         .step          = 1,
 229                         .default_value = 0,
 230                         .type          = V4L2_CTRL_TYPE_INTEGER,
 231                 },
 232                 .off                   = 128,
 233                 .reg                   = MO_CONTR_BRIGHT,
 234                 .mask                  = 0x00ff,
 235                 .shift                 = 0,
 236         },{
 237                 .v = {
 238                         .id            = V4L2_CID_CONTRAST,
 239                         .name          = "Contrast",
 240                         .minimum       = 0,
 241                         .maximum       = 0xff,
 242                         .step          = 1,
 243                         .default_value = 0,
 244                         .type          = V4L2_CTRL_TYPE_INTEGER,
 245                 },
 246                 .off                   = 0,
 247                 .reg                   = MO_CONTR_BRIGHT,
 248                 .mask                  = 0xff00,
 249                 .shift                 = 8,
 250         },{
 251                 .v = {
 252                         .id            = V4L2_CID_HUE,
 253                         .name          = "Hue",
 254                         .minimum       = 0,
 255                         .maximum       = 0xff,
 256                         .step          = 1,
 257                         .default_value = 0,
 258                         .type          = V4L2_CTRL_TYPE_INTEGER,
 259                 },
 260                 .off                   = 128,
 261                 .reg                   = MO_HUE,
 262                 .mask                  = 0x00ff,
 263                 .shift                 = 0,
 264         },{
 265                 /* strictly, this only describes only U saturation.
 266                  * V saturation is handled specially through code.
 267                  */
 268                 .v = {
 269                         .id            = V4L2_CID_SATURATION,
 270                         .name          = "Saturation",
 271                         .minimum       = 0,
 272                         .maximum       = 0xff,
 273                         .step          = 1,
 274                         .default_value = 0,
 275                         .type          = V4L2_CTRL_TYPE_INTEGER,
 276                 },
 277                 .off                   = 0,
 278                 .reg                   = MO_UV_SATURATION,
 279                 .mask                  = 0x00ff,
 280                 .shift                 = 0,
 281         },{
 282         /* --- audio --- */
 283                 .v = {
 284                         .id            = V4L2_CID_AUDIO_MUTE,
 285                         .name          = "Mute",
 286                         .minimum       = 0,
 287                         .maximum       = 1,
 288                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 289                 },
 290                 .reg                   = AUD_VOL_CTL,
 291                 .sreg                  = SHADOW_AUD_VOL_CTL,
 292                 .mask                  = (1 << 6),
 293                 .shift                 = 6,
 294         },{
 295                 .v = {
 296                         .id            = V4L2_CID_AUDIO_VOLUME,
 297                         .name          = "Volume",
 298                         .minimum       = 0,
 299                         .maximum       = 0x3f,
 300                         .step          = 1,
 301                         .default_value = 0,
 302                         .type          = V4L2_CTRL_TYPE_INTEGER,
 303                 },
 304                 .reg                   = AUD_VOL_CTL,
 305                 .sreg                  = SHADOW_AUD_VOL_CTL,
 306                 .mask                  = 0x3f,
 307                 .shift                 = 0,
 308         },{
 309                 .v = {
 310                         .id            = V4L2_CID_AUDIO_BALANCE,
 311                         .name          = "Balance",
 312                         .minimum       = 0,
 313                         .maximum       = 0x7f,
 314                         .step          = 1,
 315                         .default_value = 0x40,
 316                         .type          = V4L2_CTRL_TYPE_INTEGER,
 317                 },
 318                 .reg                   = AUD_BAL_CTL,
 319                 .sreg                  = SHADOW_AUD_BAL_CTL,
 320                 .mask                  = 0x7f,
 321                 .shift                 = 0,
 322         }
 323 };
 324 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 325
 326 /* ------------------------------------------------------------------- */
 327 /* resource management                                                 */
 328
 329 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 330 {
 331         struct cx88_core *core = dev->core;
 332         if (fh->resources & bit)
 333                 /* have it already allocated */
 334                 return 1;
 335
 336         /* is it free? */
 337         down(&core->lock);
 338         if (dev->resources & bit) {
 339                 /* no, someone else uses it */
 340                 up(&core->lock);
 341                 return 0;
 342         }
 343         /* it's free, grab it */
 344         fh->resources  |= bit;
 345         dev->resources |= bit;
 346         dprintk(1,"res: get %d\n",bit);
 347         up(&core->lock);
 348         return 1;
 349 }
 350
 351 static
 352 int res_check(struct cx8800_fh *fh, unsigned int bit)
 353 {
 354         return (fh->resources & bit);
 355 }
 356
 357 static
 358 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 359 {
 360         return (dev->resources & bit);
 361 }
 362
 363 static
 364 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 365 {
 366         struct cx88_core *core = dev->core;
 367         if ((fh->resources & bits) != bits)
 368                 BUG();
 369
 370         down(&core->lock);
 371         fh->resources  &= ~bits;
 372         dev->resources &= ~bits;
 373         dprintk(1,"res: put %d\n",bits);
 374         up(&core->lock);
 375 }
 376
 377 /* ------------------------------------------------------------------ */
 378
 379 /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */
 380 static int video_mux(struct cx88_core *core, unsigned int input)
 381 {
 382         /* struct cx88_core *core = dev->core; */
 383
 384         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 385                 input, INPUT(input)->vmux,
 386                 INPUT(input)->gpio0,INPUT(input)->gpio1,
 387                 INPUT(input)->gpio2,INPUT(input)->gpio3);
 388         core->input = input;
 389         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
 390         cx_write(MO_GP3_IO, INPUT(input)->gpio3);
 391         cx_write(MO_GP0_IO, INPUT(input)->gpio0);
 392         cx_write(MO_GP1_IO, INPUT(input)->gpio1);
 393         cx_write(MO_GP2_IO, INPUT(input)->gpio2);
 394
 395         switch (INPUT(input)->type) {
 396         case CX88_VMUX_SVIDEO:
 397                 cx_set(MO_AFECFG_IO,    0x00000001);
 398                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 399                 cx_set(MO_FILTER_EVEN,  0x00002020);
 400                 cx_set(MO_FILTER_ODD,   0x00002020);
 401                 break;
 402         default:
 403                 cx_clear(MO_AFECFG_IO,    0x00000001);
 404                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 405                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 406                 cx_clear(MO_FILTER_ODD,   0x00002020);
 407                 break;
 408         }
 409         return 0;
 410 }
 411
 412 /* ------------------------------------------------------------------ */
 413
 414 static int start_video_dma(struct cx8800_dev    *dev,
 415                            struct cx88_dmaqueue *q,
 416                            struct cx88_buffer   *buf)
 417 {
 418         struct cx88_core *core = dev->core;
 419
 420         /* setup fifo + format */
 421         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 422                                 buf->bpl, buf->risc.dma);
 423         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 424         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 425
 426         /* reset counter */
 427         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 428         q->count = 1;
 429
 430         /* enable irqs */
 431         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
 432
 433         /* Enables corresponding bits at PCI_INT_STAT:
 434                 bits 0 to 4: video, audio, transport stream, VIP, Host
 435                 bit 7: timer
 436                 bits 8 and 9: DMA complete for: SRC, DST
 437                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 438                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 439          */
 440         cx_set(MO_VID_INTMSK, 0x0f0011);
 441
 442         /* enable capture */
 443         cx_set(VID_CAPTURE_CONTROL,0x06);
 444
 445         /* start dma */
 446         cx_set(MO_DEV_CNTRL2, (1<<5));
 447         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 448
 449         return 0;
 450 }
 451
 452 static int stop_video_dma(struct cx8800_dev    *dev)
 453 {
 454         struct cx88_core *core = dev->core;
 455
 456         /* stop dma */
 457         cx_clear(MO_VID_DMACNTRL, 0x11);
 458
 459         /* disable capture */
 460         cx_clear(VID_CAPTURE_CONTROL,0x06);
 461
 462         /* disable irqs */
 463         cx_clear(MO_PCI_INTMSK, 0x000001);
 464         cx_clear(MO_VID_INTMSK, 0x0f0011);
 465         return 0;
 466 }
 467
 468 static int restart_video_queue(struct cx8800_dev    *dev,
 469                                struct cx88_dmaqueue *q)
 470 {
 471         struct cx88_core *core = dev->core;
 472         struct cx88_buffer *buf, *prev;
 473         struct list_head *item;
 474
 475         if (!list_empty(&q->active)) {
 476                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 477                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 478                         buf, buf->vb.i);
 479                 start_video_dma(dev, q, buf);
 480                 list_for_each(item,&q->active) {
 481                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 482                         buf->count    = q->count++;
 483                 }
 484                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 485                 return 0;
 486         }
 487
 488         prev = NULL;
 489         for (;;) {
 490                 if (list_empty(&q->queued))
 491                         return 0;
 492                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 493                 if (NULL == prev) {
 494                         list_del(&buf->vb.queue);
 495                         list_add_tail(&buf->vb.queue,&q->active);
 496                         start_video_dma(dev, q, buf);
 497                         buf->vb.state = STATE_ACTIVE;
 498                         buf->count    = q->count++;
 499                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 500                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 501                                 buf,buf->vb.i);
 502
 503                 } else if (prev->vb.width  == buf->vb.width  &&
 504                            prev->vb.height == buf->vb.height &&
 505                            prev->fmt       == buf->fmt) {
 506                         list_del(&buf->vb.queue);
 507                         list_add_tail(&buf->vb.queue,&q->active);
 508                         buf->vb.state = STATE_ACTIVE;
 509                         buf->count    = q->count++;
 510                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 511                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 512                                 buf,buf->vb.i);
 513                 } else {
 514                         return 0;
 515                 }
 516                 prev = buf;
 517         }
 518 }
 519
 520 /* ------------------------------------------------------------------ */
 521
 522 static int
 523 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 524 {
 525         struct cx8800_fh *fh = q->priv_data;
 526
 527         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 528         if (0 == *count)
 529                 *count = 32;
 530         while (*size * *count > vid_limit * 1024 * 1024)
 531                 (*count)--;
 532         return 0;
 533 }
 534
 535 static int
 536 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 537                enum v4l2_field field)
 538 {
 539         struct cx8800_fh   *fh  = q->priv_data;
 540         struct cx8800_dev  *dev = fh->dev;
 541         struct cx88_core *core = dev->core;
 542         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 543         int rc, init_buffer = 0;
 544
 545         BUG_ON(NULL == fh->fmt);
 546         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 547             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 548                 return -EINVAL;
 549         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 550         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 551                 return -EINVAL;
 552
 553         if (buf->fmt       != fh->fmt    ||
 554             buf->vb.width  != fh->width  ||
 555             buf->vb.height != fh->height ||
 556             buf->vb.field  != field) {
 557                 buf->fmt       = fh->fmt;
 558                 buf->vb.width  = fh->width;
 559                 buf->vb.height = fh->height;
 560                 buf->vb.field  = field;
 561                 init_buffer = 1;
 562         }
 563
 564         if (STATE_NEEDS_INIT == buf->vb.state) {
 565                 init_buffer = 1;
 566                 if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
 567                         goto fail;
 568         }
 569
 570         if (init_buffer) {
 571                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 572                 switch (buf->vb.field) {
 573                 case V4L2_FIELD_TOP:
 574                         cx88_risc_buffer(dev->pci, &buf->risc,
 575                                          buf->vb.dma.sglist, 0, UNSET,
 576                                          buf->bpl, 0, buf->vb.height);
 577                         break;
 578                 case V4L2_FIELD_BOTTOM:
 579                         cx88_risc_buffer(dev->pci, &buf->risc,
 580                                          buf->vb.dma.sglist, UNSET, 0,
 581                                          buf->bpl, 0, buf->vb.height);
 582                         break;
 583                 case V4L2_FIELD_INTERLACED:
 584                         cx88_risc_buffer(dev->pci, &buf->risc,
 585                                          buf->vb.dma.sglist, 0, buf->bpl,
 586                                          buf->bpl, buf->bpl,
 587                                          buf->vb.height >> 1);
 588                         break;
 589                 case V4L2_FIELD_SEQ_TB:
 590                         cx88_risc_buffer(dev->pci, &buf->risc,
 591                                          buf->vb.dma.sglist,
 592                                          0, buf->bpl * (buf->vb.height >> 1),
 593                                          buf->bpl, 0,
 594                                          buf->vb.height >> 1);
 595                         break;
 596                 case V4L2_FIELD_SEQ_BT:
 597                         cx88_risc_buffer(dev->pci, &buf->risc,
 598                                          buf->vb.dma.sglist,
 599                                          buf->bpl * (buf->vb.height >> 1), 0,
 600                                          buf->bpl, 0,
 601                                          buf->vb.height >> 1);
 602                         break;
 603                 default:
 604                         BUG();
 605                 }
 606         }
 607         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 608                 buf, buf->vb.i,
 609                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 610                 (unsigned long)buf->risc.dma);
 611
 612         buf->vb.state = STATE_PREPARED;
 613         return 0;
 614
 615  fail:
 616         cx88_free_buffer(dev->pci,buf);
 617         return rc;
 618 }
 619
 620 static void
 621 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 622 {
 623         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 624         struct cx88_buffer    *prev;
 625         struct cx8800_fh      *fh   = vq->priv_data;
 626         struct cx8800_dev     *dev  = fh->dev;
 627         struct cx88_core      *core = dev->core;
 628         struct cx88_dmaqueue  *q    = &dev->vidq;
 629
 630         /* add jump to stopper */
 631         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 632         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 633
 634         if (!list_empty(&q->queued)) {
 635                 list_add_tail(&buf->vb.queue,&q->queued);
 636                 buf->vb.state = STATE_QUEUED;
 637                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 638                         buf, buf->vb.i);
 639
 640         } else if (list_empty(&q->active)) {
 641                 list_add_tail(&buf->vb.queue,&q->active);
 642                 start_video_dma(dev, q, buf);
 643                 buf->vb.state = STATE_ACTIVE;
 644                 buf->count    = q->count++;
 645                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 646                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 647                         buf, buf->vb.i);
 648
 649         } else {
 650                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 651                 if (prev->vb.width  == buf->vb.width  &&
 652                     prev->vb.height == buf->vb.height &&
 653                     prev->fmt       == buf->fmt) {
 654                         list_add_tail(&buf->vb.queue,&q->active);
 655                         buf->vb.state = STATE_ACTIVE;
 656                         buf->count    = q->count++;
 657                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 658                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 659                                 buf, buf->vb.i);
 660
 661                 } else {
 662                         list_add_tail(&buf->vb.queue,&q->queued);
 663                         buf->vb.state = STATE_QUEUED;
 664                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 665                                 buf, buf->vb.i);
 666                 }
 667         }
 668 }
 669
 670 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 671 {
 672         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 673         struct cx8800_fh   *fh  = q->priv_data;
 674
 675         cx88_free_buffer(fh->dev->pci,buf);
 676 }
 677
 678 static struct videobuf_queue_ops cx8800_video_qops = {
 679         .buf_setup    = buffer_setup,
 680         .buf_prepare  = buffer_prepare,
 681         .buf_queue    = buffer_queue,
 682         .buf_release  = buffer_release,
 683 };
 684
 685 /* ------------------------------------------------------------------ */
 686
 687
 688 /* ------------------------------------------------------------------ */
 689
 690 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 691 {
 692         switch (fh->type) {
 693         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 694                 return &fh->vidq;
 695         case V4L2_BUF_TYPE_VBI_CAPTURE:
 696                 return &fh->vbiq;
 697         default:
 698                 BUG();
 699                 return NULL;
 700         }
 701 }
 702
 703 static int get_ressource(struct cx8800_fh *fh)
 704 {
 705         switch (fh->type) {
 706         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 707                 return RESOURCE_VIDEO;
 708         case V4L2_BUF_TYPE_VBI_CAPTURE:
 709                 return RESOURCE_VBI;
 710         default:
 711                 BUG();
 712                 return 0;
 713         }
 714 }
 715
 716 static int video_open(struct inode *inode, struct file *file)
 717 {
 718         int minor = iminor(inode);
 719         struct cx8800_dev *h,*dev = NULL;
 720         struct cx88_core *core;
 721         struct cx8800_fh *fh;
 722         struct list_head *list;
 723         enum v4l2_buf_type type = 0;
 724         int radio = 0;
 725
 726         list_for_each(list,&cx8800_devlist) {
 727                 h = list_entry(list, struct cx8800_dev, devlist);
 728                 if (h->video_dev->minor == minor) {
 729                         dev  = h;
 730                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 731                 }
 732                 if (h->vbi_dev->minor == minor) {
 733                         dev  = h;
 734                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 735                 }
 736                 if (h->radio_dev &&
 737                     h->radio_dev->minor == minor) {
 738                         radio = 1;
 739                         dev   = h;
 740                 }
 741         }
 742         if (NULL == dev)
 743                 return -ENODEV;
 744
 745         core = dev->core;
 746
 747         dprintk(1,"open minor=%d radio=%d type=%s\n",
 748                 minor,radio,v4l2_type_names[type]);
 749
 750         /* allocate + initialize per filehandle data */
 751         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
 752         if (NULL == fh)
 753                 return -ENOMEM;
 754         memset(fh,0,sizeof(*fh));
 755         file->private_data = fh;
 756         fh->dev      = dev;
 757         fh->radio    = radio;
 758         fh->type     = type;
 759         fh->width    = 320;
 760         fh->height   = 240;
 761         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 762
 763         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
 764                             dev->pci, &dev->slock,
 765                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 766                             V4L2_FIELD_INTERLACED,
 767                             sizeof(struct cx88_buffer),
 768                             fh);
 769         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 770                             dev->pci, &dev->slock,
 771                             V4L2_BUF_TYPE_VBI_CAPTURE,
 772                             V4L2_FIELD_SEQ_TB,
 773                             sizeof(struct cx88_buffer),
 774                             fh);
 775
 776         if (fh->radio) {
 777                 int board = core->board;
 778                 dprintk(1,"video_open: setting radio device\n");
 779                 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
 780                 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
 781                 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
 782                 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
 783                 core->tvaudio = WW_FM;
 784                 cx88_set_tvaudio(core);
 785                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 786                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 787         }
 788
 789         return 0;
 790 }
 791
 792 static ssize_t
 793 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 794 {
 795         struct cx8800_fh *fh = file->private_data;
 796
 797         switch (fh->type) {
 798         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 799                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 800                         return -EBUSY;
 801                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 802                                          file->f_flags & O_NONBLOCK);
 803         case V4L2_BUF_TYPE_VBI_CAPTURE:
 804                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 805                         return -EBUSY;
 806                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 807                                             file->f_flags & O_NONBLOCK);
 808         default:
 809                 BUG();
 810                 return 0;
 811         }
 812 }
 813
 814 static unsigned int
 815 video_poll(struct file *file, struct poll_table_struct *wait)
 816 {
 817         struct cx8800_fh *fh = file->private_data;
 818         struct cx88_buffer *buf;
 819
 820         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 821                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 822                         return POLLERR;
 823                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 824         }
 825
 826         if (res_check(fh,RESOURCE_VIDEO)) {
 827                 /* streaming capture */
 828                 if (list_empty(&fh->vidq.stream))
 829                         return POLLERR;
 830                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 831         } else {
 832                 /* read() capture */
 833                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 834                 if (NULL == buf)
 835                         return POLLERR;
 836         }
 837         poll_wait(file, &buf->vb.done, wait);
 838         if (buf->vb.state == STATE_DONE ||
 839             buf->vb.state == STATE_ERROR)
 840                 return POLLIN|POLLRDNORM;
 841         return 0;
 842 }
 843
 844 static int video_release(struct inode *inode, struct file *file)
 845 {
 846         struct cx8800_fh  *fh  = file->private_data;
 847         struct cx8800_dev *dev = fh->dev;
 848
 849         /* turn off overlay */
 850         if (res_check(fh, RESOURCE_OVERLAY)) {
 851                 /* FIXME */
 852                 res_free(dev,fh,RESOURCE_OVERLAY);
 853         }
 854
 855         /* stop video capture */
 856         if (res_check(fh, RESOURCE_VIDEO)) {
 857                 videobuf_queue_cancel(&fh->vidq);
 858                 res_free(dev,fh,RESOURCE_VIDEO);
 859         }
 860         if (fh->vidq.read_buf) {
 861                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 862                 kfree(fh->vidq.read_buf);
 863         }
 864
 865         /* stop vbi capture */
 866         if (res_check(fh, RESOURCE_VBI)) {
 867                 if (fh->vbiq.streaming)
 868                         videobuf_streamoff(&fh->vbiq);
 869                 if (fh->vbiq.reading)
 870                         videobuf_read_stop(&fh->vbiq);
 871                 res_free(dev,fh,RESOURCE_VBI);
 872         }
 873
 874         videobuf_mmap_free(&fh->vidq);
 875         videobuf_mmap_free(&fh->vbiq);
 876         file->private_data = NULL;
 877         kfree(fh);
 878
 879         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 880
 881         return 0;
 882 }
 883
 884 static int
 885 video_mmap(struct file *file, struct vm_area_struct * vma)
 886 {
 887         struct cx8800_fh *fh = file->private_data;
 888
 889         return videobuf_mmap_mapper(get_queue(fh), vma);
 890 }
 891
 892 /* ------------------------------------------------------------------ */
 893
 894 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 895 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
 896 {
 897         /* struct cx88_core *core = dev->core; */
 898         struct cx88_ctrl *c = NULL;
 899         u32 value;
 900         int i;
 901
 902         for (i = 0; i < CX8800_CTLS; i++)
 903                 if (cx8800_ctls[i].v.id == ctl->id)
 904                         c = &cx8800_ctls[i];
 905         if (NULL == c)
 906                 return -EINVAL;
 907
 908         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 909         switch (ctl->id) {
 910         case V4L2_CID_AUDIO_BALANCE:
 911                 ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f));
 912                 break;
 913         case V4L2_CID_AUDIO_VOLUME:
 914                 ctl->value = 0x3f - (value & 0x3f);
 915                 break;
 916         default:
 917                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 918                 break;
 919         }
 920         return 0;
 921 }
 922
 923 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 924 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
 925 {
 926         /* struct cx88_core *core = dev->core; */
 927         struct cx88_ctrl *c = NULL;
 928         u32 v_sat_value;
 929         u32 value;
 930         int i;
 931
 932         for (i = 0; i < CX8800_CTLS; i++)
 933                 if (cx8800_ctls[i].v.id == ctl->id)
 934                         c = &cx8800_ctls[i];
 935         if (NULL == c)
 936                 return -EINVAL;
 937
 938         if (ctl->value < c->v.minimum)
 939                 ctl->value = c->v.minimum;
 940         if (ctl->value > c->v.maximum)
 941                 ctl->value = c->v.maximum;
 942         switch (ctl->id) {
 943         case V4L2_CID_AUDIO_BALANCE:
 944                 value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value;
 945                 break;
 946         case V4L2_CID_AUDIO_VOLUME:
 947                 value = 0x3f - (ctl->value & 0x3f);
 948                 break;
 949         case V4L2_CID_SATURATION:
 950                 /* special v_sat handling */
 951                 v_sat_value = ctl->value - (0x7f - 0x5a);
 952                 if (v_sat_value > 0xff)
 953                         v_sat_value = 0xff;
 954                 if (v_sat_value < 0x00)
 955                         v_sat_value = 0x00;
 956                 cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8);
 957                 /* fall through to default route for u_sat */
 958         default:
 959                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 960                 break;
 961         }
 962         dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n",
 963                 ctl->id, c->reg, value, c->sreg ? " [shadowed]" : "");
 964         if (c->sreg) {
 965                 cx_sandor(c->sreg, c->reg, c->mask, value);
 966         } else {
 967                 cx_andor(c->reg, c->mask, value);
 968         }
 969         return 0;
 970 }
 971
 972 /* static void init_controls(struct cx8800_dev *dev) */
 973 static void init_controls(struct cx88_core *core)
 974 {
 975         static struct v4l2_control mute = {
 976                 .id    = V4L2_CID_AUDIO_MUTE,
 977                 .value = 1,
 978         };
 979         static struct v4l2_control volume = {
 980                 .id    = V4L2_CID_AUDIO_VOLUME,
 981                 .value = 0x3f,
 982         };
 983         static struct v4l2_control hue = {
 984                 .id    = V4L2_CID_HUE,
 985                 .value = 0x80,
 986         };
 987         static struct v4l2_control contrast = {
 988                 .id    = V4L2_CID_CONTRAST,
 989                 .value = 0x80,
 990         };
 991         static struct v4l2_control brightness = {
 992                 .id    = V4L2_CID_BRIGHTNESS,
 993                 .value = 0x80,
 994         };
 995
 996         set_control(core,&mute);
 997         set_control(core,&volume);
 998         set_control(core,&hue);
 999         set_control(core,&contrast);
1000         set_control(core,&brightness);
1001 }
1002
1003 /* ------------------------------------------------------------------ */
1004
1005 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1006                         struct v4l2_format *f)
1007 {
1008         switch (f->type) {
1009         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1010                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1011                 f->fmt.pix.width        = fh->width;
1012                 f->fmt.pix.height       = fh->height;
1013                 f->fmt.pix.field        = fh->vidq.field;
1014                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1015                 f->fmt.pix.bytesperline =
1016                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1017                 f->fmt.pix.sizeimage =
1018                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1019                 return 0;
1020         case V4L2_BUF_TYPE_VBI_CAPTURE:
1021                 cx8800_vbi_fmt(dev, f);
1022                 return 0;
1023         default:
1024                 return -EINVAL;
1025         }
1026 }
1027
1028 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1029                           struct v4l2_format *f)
1030 {
1031         struct cx88_core *core = dev->core;
1032
1033         switch (f->type) {
1034         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1035         {
1036                 struct cx8800_fmt *fmt;
1037                 enum v4l2_field field;
1038                 unsigned int maxw, maxh;
1039
1040                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1041                 if (NULL == fmt)
1042                         return -EINVAL;
1043
1044                 field = f->fmt.pix.field;
1045                 maxw  = norm_maxw(core->tvnorm);
1046                 maxh  = norm_maxh(core->tvnorm);
1047
1048                 if (V4L2_FIELD_ANY == field) {
1049                         field = (f->fmt.pix.height > maxh/2)
1050                                 ? V4L2_FIELD_INTERLACED
1051                                 : V4L2_FIELD_BOTTOM;
1052                 }
1053
1054                 switch (field) {
1055                 case V4L2_FIELD_TOP:
1056                 case V4L2_FIELD_BOTTOM:
1057                         maxh = maxh / 2;
1058                         break;
1059                 case V4L2_FIELD_INTERLACED:
1060                         break;
1061                 default:
1062                         return -EINVAL;
1063                 }
1064
1065                 f->fmt.pix.field = field;
1066                 if (f->fmt.pix.height < 32)
1067                         f->fmt.pix.height = 32;
1068                 if (f->fmt.pix.height > maxh)
1069                         f->fmt.pix.height = maxh;
1070                 if (f->fmt.pix.width < 48)
1071                         f->fmt.pix.width = 48;
1072                 if (f->fmt.pix.width > maxw)
1073                         f->fmt.pix.width = maxw;
1074                 f->fmt.pix.width &= ~0x03;
1075                 f->fmt.pix.bytesperline =
1076                         (f->fmt.pix.width * fmt->depth) >> 3;
1077                 f->fmt.pix.sizeimage =
1078                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1079
1080                 return 0;
1081         }
1082         case V4L2_BUF_TYPE_VBI_CAPTURE:
1083                 cx8800_vbi_fmt(dev, f);
1084                 return 0;
1085         default:
1086                 return -EINVAL;
1087         }
1088 }
1089
1090 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1091                         struct v4l2_format *f)
1092 {
1093         int err;
1094
1095         switch (f->type) {
1096         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1097                 err = cx8800_try_fmt(dev,fh,f);
1098                 if (0 != err)
1099                         return err;
1100
1101                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1102                 fh->width      = f->fmt.pix.width;
1103                 fh->height     = f->fmt.pix.height;
1104                 fh->vidq.field = f->fmt.pix.field;
1105                 return 0;
1106         case V4L2_BUF_TYPE_VBI_CAPTURE:
1107                 cx8800_vbi_fmt(dev, f);
1108                 return 0;
1109         default:
1110                 return -EINVAL;
1111         }
1112 }
1113
1114 /*
1115  * This function is _not_ called directly, but from
1116  * video_generic_ioctl (and maybe others).  userspace
1117  * copying is done already, arg is a kernel pointer.
1118  */
1119 static int video_do_ioctl(struct inode *inode, struct file *file,
1120                           unsigned int cmd, void *arg)
1121 {
1122         struct cx8800_fh  *fh   = file->private_data;
1123         struct cx8800_dev *dev  = fh->dev;
1124         struct cx88_core  *core = dev->core;
1125         int err;
1126
1127         if (video_debug > 1)
1128                 cx88_print_ioctl(core->name,cmd);
1129         switch (cmd) {
1130
1131         /* --- capabilities ------------------------------------------ */
1132         case VIDIOC_QUERYCAP:
1133         {
1134                 struct v4l2_capability *cap = arg;
1135
1136                 memset(cap,0,sizeof(*cap));
1137                 strcpy(cap->driver, "cx8800");
1138                 strlcpy(cap->card, cx88_boards[core->board].name,
1139                         sizeof(cap->card));
1140                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1141                 cap->version = CX88_VERSION_CODE;
1142                 cap->capabilities =
1143                         V4L2_CAP_VIDEO_CAPTURE |
1144                         V4L2_CAP_READWRITE     |
1145                         V4L2_CAP_STREAMING     |
1146                         V4L2_CAP_VBI_CAPTURE   |
1147                         V4L2_CAP_VIDEO_OVERLAY |
1148                         0;
1149                 if (UNSET != core->tuner_type)
1150                         cap->capabilities |= V4L2_CAP_TUNER;
1151                 return 0;
1152         }
1153
1154         /* --- capture ioctls ---------------------------------------- */
1155         case VIDIOC_ENUM_FMT:
1156         {
1157                 struct v4l2_fmtdesc *f = arg;
1158                 enum v4l2_buf_type type;
1159                 unsigned int index;
1160
1161                 index = f->index;
1162                 type  = f->type;
1163                 switch (type) {
1164                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1165                         if (index >= ARRAY_SIZE(formats))
1166                                 return -EINVAL;
1167                         memset(f,0,sizeof(*f));
1168                         f->index = index;
1169                         f->type  = type;
1170                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1171                         f->pixelformat = formats[index].fourcc;
1172                         break;
1173                 default:
1174                         return -EINVAL;
1175                 }
1176                 return 0;
1177         }
1178         case VIDIOC_G_FMT:
1179         {
1180                 struct v4l2_format *f = arg;
1181                 return cx8800_g_fmt(dev,fh,f);
1182         }
1183         case VIDIOC_S_FMT:
1184         {
1185                 struct v4l2_format *f = arg;
1186                 return cx8800_s_fmt(dev,fh,f);
1187         }
1188         case VIDIOC_TRY_FMT:
1189         {
1190                 struct v4l2_format *f = arg;
1191                 return cx8800_try_fmt(dev,fh,f);
1192         }
1193 #ifdef HAVE_V4L1
1194         /* --- streaming capture ------------------------------------- */
1195         case VIDIOCGMBUF:
1196         {
1197                 struct video_mbuf *mbuf = arg;
1198                 struct videobuf_queue *q;
1199                 struct v4l2_requestbuffers req;
1200                 unsigned int i;
1201
1202                 q = get_queue(fh);
1203                 memset(&req,0,sizeof(req));
1204                 req.type   = q->type;
1205                 req.count  = 8;
1206                 req.memory = V4L2_MEMORY_MMAP;
1207                 err = videobuf_reqbufs(q,&req);
1208                 if (err < 0)
1209                         return err;
1210                 memset(mbuf,0,sizeof(*mbuf));
1211                 mbuf->frames = req.count;
1212                 mbuf->size   = 0;
1213                 for (i = 0; i < mbuf->frames; i++) {
1214                         mbuf->offsets[i]  = q->bufs[i]->boff;
1215                         mbuf->size       += q->bufs[i]->bsize;
1216                 }
1217                 return 0;
1218         }
1219 #endif
1220         case VIDIOC_REQBUFS:
1221                 return videobuf_reqbufs(get_queue(fh), arg);
1222
1223         case VIDIOC_QUERYBUF:
1224                 return videobuf_querybuf(get_queue(fh), arg);
1225
1226         case VIDIOC_QBUF:
1227                 return videobuf_qbuf(get_queue(fh), arg);
1228
1229         case VIDIOC_DQBUF:
1230                 return videobuf_dqbuf(get_queue(fh), arg,
1231                                         file->f_flags & O_NONBLOCK);
1232
1233         case VIDIOC_STREAMON:
1234         {
1235                 int res = get_ressource(fh);
1236
1237                 if (!res_get(dev,fh,res))
1238                         return -EBUSY;
1239                 return videobuf_streamon(get_queue(fh));
1240         }
1241         case VIDIOC_STREAMOFF:
1242         {
1243                 int res = get_ressource(fh);
1244
1245                 err = videobuf_streamoff(get_queue(fh));
1246                 if (err < 0)
1247                         return err;
1248                 res_free(dev,fh,res);
1249                 return 0;
1250         }
1251         default:
1252                 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1253         }
1254         return 0;
1255 }
1256
1257 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1258                   struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1259 {
1260         int err;
1261
1262         dprintk( 1, "CORE IOCTL: 0x%x\n", cmd );
1263         if (video_debug > 1)
1264                 cx88_print_ioctl(core->name,cmd);
1265
1266         switch (cmd) {
1267         /* ---------- tv norms ---------- */
1268         case VIDIOC_ENUMSTD:
1269         {
1270                 struct v4l2_standard *e = arg;
1271                 unsigned int i;
1272
1273                 i = e->index;
1274                 if (i >= ARRAY_SIZE(tvnorms))
1275                         return -EINVAL;
1276                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1277                                                tvnorms[e->index].name);
1278                 e->index = i;
1279                 if (err < 0)
1280                         return err;
1281                 return 0;
1282         }
1283         case VIDIOC_G_STD:
1284         {
1285                 v4l2_std_id *id = arg;
1286
1287                 *id = core->tvnorm->id;
1288                 return 0;
1289         }
1290         case VIDIOC_S_STD:
1291         {
1292                 v4l2_std_id *id = arg;
1293                 unsigned int i;
1294
1295                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1296                         if (*id & tvnorms[i].id)
1297                                 break;
1298                 if (i == ARRAY_SIZE(tvnorms))
1299                         return -EINVAL;
1300
1301                 down(&core->lock);
1302                 cx88_set_tvnorm(core,&tvnorms[i]);
1303                 up(&core->lock);
1304                 return 0;
1305         }
1306
1307         /* ------ input switching ---------- */
1308         case VIDIOC_ENUMINPUT:
1309         {
1310                 static const char *iname[] = {
1311                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1312                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1313                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1314                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1315                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1316                         [ CX88_VMUX_TELEVISION ] = "Television",
1317                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1318                         [ CX88_VMUX_DVB        ] = "DVB",
1319                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1320                 };
1321                 struct v4l2_input *i = arg;
1322                 unsigned int n;
1323
1324                 n = i->index;
1325                 if (n >= 4)
1326                         return -EINVAL;
1327                 if (0 == INPUT(n)->type)
1328                         return -EINVAL;
1329                 memset(i,0,sizeof(*i));
1330                 i->index = n;
1331                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1332                 strcpy(i->name,iname[INPUT(n)->type]);
1333                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1334                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1335                         i->type = V4L2_INPUT_TYPE_TUNER;
1336                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1337                         i->std |= tvnorms[n].id;
1338                 return 0;
1339         }
1340         case VIDIOC_G_INPUT:
1341         {
1342                 unsigned int *i = arg;
1343
1344                 *i = core->input;
1345                 return 0;
1346         }
1347         case VIDIOC_S_INPUT:
1348         {
1349                 unsigned int *i = arg;
1350
1351                 if (*i >= 4)
1352                         return -EINVAL;
1353                 down(&core->lock);
1354                 cx88_newstation(core);
1355                 video_mux(core,*i);
1356                 up(&core->lock);
1357                 return 0;
1358         }
1359
1360
1361
1362         /* --- controls ---------------------------------------------- */
1363         case VIDIOC_QUERYCTRL:
1364         {
1365                 struct v4l2_queryctrl *c = arg;
1366                 int i;
1367
1368                 if (c->id <  V4L2_CID_BASE ||
1369                     c->id >= V4L2_CID_LASTP1)
1370                         return -EINVAL;
1371                 for (i = 0; i < CX8800_CTLS; i++)
1372                         if (cx8800_ctls[i].v.id == c->id)
1373                                 break;
1374                 if (i == CX8800_CTLS) {
1375                         *c = no_ctl;
1376                         return 0;
1377                 }
1378                 *c = cx8800_ctls[i].v;
1379                 return 0;
1380         }
1381         case VIDIOC_G_CTRL:
1382                 return get_control(core,arg);
1383         case VIDIOC_S_CTRL:
1384                 return set_control(core,arg);
1385
1386         /* --- tuner ioctls ------------------------------------------ */
1387         case VIDIOC_G_TUNER:
1388         {
1389                 struct v4l2_tuner *t = arg;
1390                 u32 reg;
1391
1392                 if (UNSET == core->tuner_type)
1393                         return -EINVAL;
1394                 if (0 != t->index)
1395                         return -EINVAL;
1396
1397                 memset(t,0,sizeof(*t));
1398                 strcpy(t->name, "Television");
1399                 t->type       = V4L2_TUNER_ANALOG_TV;
1400                 t->capability = V4L2_TUNER_CAP_NORM;
1401                 t->rangehigh  = 0xffffffffUL;
1402
1403                 cx88_get_stereo(core ,t);
1404                 reg = cx_read(MO_DEVICE_STATUS);
1405                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1406                 return 0;
1407         }
1408         case VIDIOC_S_TUNER:
1409         {
1410                 struct v4l2_tuner *t = arg;
1411
1412                 if (UNSET == core->tuner_type)
1413                         return -EINVAL;
1414                 if (0 != t->index)
1415                         return -EINVAL;
1416                 cx88_set_stereo(core, t->audmode, 1);
1417                 return 0;
1418         }
1419         case VIDIOC_G_FREQUENCY:
1420         {
1421                 struct v4l2_frequency *f = arg;
1422
1423                 memset(f,0,sizeof(*f));
1424
1425                 if (UNSET == core->tuner_type)
1426                         return -EINVAL;
1427
1428                 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1429                 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1430                 f->frequency = core->freq;
1431
1432                 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1433
1434                 return 0;
1435         }
1436         case VIDIOC_S_FREQUENCY:
1437         {
1438                 struct v4l2_frequency *f = arg;
1439
1440                 if (UNSET == core->tuner_type)
1441                         return -EINVAL;
1442                 if (f->tuner != 0)
1443                         return -EINVAL;
1444                 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1445                         return -EINVAL;
1446                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1447                         return -EINVAL;
1448                 down(&core->lock);
1449                 core->freq = f->frequency;
1450                 cx88_newstation(core);
1451                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1452
1453                 /* When changing channels it is required to reset TVAUDIO */
1454                 msleep (10);
1455                 cx88_set_tvaudio(core);
1456
1457                 up(&core->lock);
1458                 return 0;
1459         }
1460
1461         default:
1462                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1463                                                   driver_ioctl);
1464         }
1465         return 0;
1466 }
1467
1468 static int video_ioctl(struct inode *inode, struct file *file,
1469                        unsigned int cmd, unsigned long arg)
1470 {
1471         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1472 }
1473
1474 /* ----------------------------------------------------------- */
1475
1476 static int radio_do_ioctl(struct inode *inode, struct file *file,
1477                         unsigned int cmd, void *arg)
1478 {
1479         struct cx8800_fh *fh    = file->private_data;
1480         struct cx8800_dev *dev  = fh->dev;
1481         struct cx88_core  *core = dev->core;
1482
1483         if (video_debug > 1)
1484                 cx88_print_ioctl(core->name,cmd);
1485
1486         switch (cmd) {
1487         case VIDIOC_QUERYCAP:
1488         {
1489                 struct v4l2_capability *cap = arg;
1490
1491                 memset(cap,0,sizeof(*cap));
1492                 strcpy(cap->driver, "cx8800");
1493                 strlcpy(cap->card, cx88_boards[core->board].name,
1494                         sizeof(cap->card));
1495                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1496                 cap->version = CX88_VERSION_CODE;
1497                 cap->capabilities = V4L2_CAP_TUNER;
1498                 return 0;
1499         }
1500         case VIDIOC_G_TUNER:
1501         {
1502                 struct v4l2_tuner *t = arg;
1503
1504                 if (t->index > 0)
1505                         return -EINVAL;
1506
1507                 memset(t,0,sizeof(*t));
1508                 strcpy(t->name, "Radio");
1509                 t->type = V4L2_TUNER_RADIO;
1510
1511                 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1512                 return 0;
1513         }
1514         case VIDIOC_ENUMINPUT:
1515         {
1516                 struct v4l2_input *i = arg;
1517
1518                 if (i->index != 0)
1519                         return -EINVAL;
1520                 strcpy(i->name,"Radio");
1521                 i->type = V4L2_INPUT_TYPE_TUNER;
1522                 return 0;
1523         }
1524         case VIDIOC_G_INPUT:
1525         {
1526                 int *i = arg;
1527                 *i = 0;
1528                 return 0;
1529         }
1530         case VIDIOC_G_AUDIO:
1531         {
1532                 struct v4l2_audio *a = arg;
1533
1534                 memset(a,0,sizeof(*a));
1535                 strcpy(a->name,"Radio");
1536                 return 0;
1537         }
1538         case VIDIOC_G_STD:
1539         {
1540                 v4l2_std_id *id = arg;
1541                 *id = 0;
1542                 return 0;
1543         }
1544 #ifdef HAVE_V4L1
1545         case VIDIOCSTUNER:
1546         {
1547                 struct video_tuner *v = arg;
1548
1549                 if (v->tuner) /* Only tuner 0 */
1550                         return -EINVAL;
1551
1552                 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1553                 return 0;
1554         }
1555 #endif
1556         case VIDIOC_S_TUNER:
1557         {
1558                 struct v4l2_tuner *t = arg;
1559
1560                 if (0 != t->index)
1561                         return -EINVAL;
1562
1563                 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1564
1565                 return 0;
1566         }
1567
1568         case VIDIOC_S_AUDIO:
1569         case VIDIOC_S_INPUT:
1570         case VIDIOC_S_STD:
1571                 return 0;
1572
1573         case VIDIOC_QUERYCTRL:
1574         {
1575                 struct v4l2_queryctrl *c = arg;
1576                 int i;
1577
1578                 if (c->id <  V4L2_CID_BASE ||
1579                     c->id >= V4L2_CID_LASTP1)
1580                         return -EINVAL;
1581                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1582                         for (i = 0; i < CX8800_CTLS; i++)
1583                                 if (cx8800_ctls[i].v.id == c->id)
1584                                         break;
1585                         *c = cx8800_ctls[i].v;
1586                 } else
1587                         *c = no_ctl;
1588                 return 0;
1589         }
1590
1591
1592         case VIDIOC_G_CTRL:
1593         case VIDIOC_S_CTRL:
1594         case VIDIOC_G_FREQUENCY:
1595         case VIDIOC_S_FREQUENCY:
1596                 return video_do_ioctl(inode,file,cmd,arg);
1597
1598         default:
1599                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1600                                                   radio_do_ioctl);
1601         }
1602         return 0;
1603 };
1604
1605 static int radio_ioctl(struct inode *inode, struct file *file,
1606                         unsigned int cmd, unsigned long arg)
1607 {
1608         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1609 };
1610
1611 /* ----------------------------------------------------------- */
1612
1613 static void cx8800_vid_timeout(unsigned long data)
1614 {
1615         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1616         struct cx88_core *core = dev->core;
1617         struct cx88_dmaqueue *q = &dev->vidq;
1618         struct cx88_buffer *buf;
1619         unsigned long flags;
1620
1621         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1622
1623         cx_clear(MO_VID_DMACNTRL, 0x11);
1624         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1625
1626         spin_lock_irqsave(&dev->slock,flags);
1627         while (!list_empty(&q->active)) {
1628                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1629                 list_del(&buf->vb.queue);
1630                 buf->vb.state = STATE_ERROR;
1631                 wake_up(&buf->vb.done);
1632                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1633                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1634         }
1635         restart_video_queue(dev,q);
1636         spin_unlock_irqrestore(&dev->slock,flags);
1637 }
1638
1639 static char *cx88_vid_irqs[32] = {
1640         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1641         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1642         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1643         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1644         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1645 };
1646
1647 static void cx8800_vid_irq(struct cx8800_dev *dev)
1648 {
1649         struct cx88_core *core = dev->core;
1650         u32 status, mask, count;
1651
1652         status = cx_read(MO_VID_INTSTAT);
1653         mask   = cx_read(MO_VID_INTMSK);
1654         if (0 == (status & mask))
1655                 return;
1656         cx_write(MO_VID_INTSTAT, status);
1657         if (irq_debug  ||  (status & mask & ~0xff))
1658                 cx88_print_irqbits(core->name, "irq vid",
1659                                    cx88_vid_irqs, status, mask);
1660
1661         /* risc op code error */
1662         if (status & (1 << 16)) {
1663                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1664                 cx_clear(MO_VID_DMACNTRL, 0x11);
1665                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1666                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1667         }
1668
1669         /* risc1 y */
1670         if (status & 0x01) {
1671                 spin_lock(&dev->slock);
1672                 count = cx_read(MO_VIDY_GPCNT);
1673                 cx88_wakeup(core, &dev->vidq, count);
1674                 spin_unlock(&dev->slock);
1675         }
1676
1677         /* risc1 vbi */
1678         if (status & 0x08) {
1679                 spin_lock(&dev->slock);
1680                 count = cx_read(MO_VBI_GPCNT);
1681                 cx88_wakeup(core, &dev->vbiq, count);
1682                 spin_unlock(&dev->slock);
1683         }
1684
1685         /* risc2 y */
1686         if (status & 0x10) {
1687                 dprintk(2,"stopper video\n");
1688                 spin_lock(&dev->slock);
1689                 restart_video_queue(dev,&dev->vidq);
1690                 spin_unlock(&dev->slock);
1691         }
1692
1693         /* risc2 vbi */
1694         if (status & 0x80) {
1695                 dprintk(2,"stopper vbi\n");
1696                 spin_lock(&dev->slock);
1697                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1698                 spin_unlock(&dev->slock);
1699         }
1700 }
1701
1702 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1703 {
1704         struct cx8800_dev *dev = dev_id;
1705         struct cx88_core *core = dev->core;
1706         u32 status;
1707         int loop, handled = 0;
1708
1709         for (loop = 0; loop < 10; loop++) {
1710                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1711                 if (0 == status)
1712                         goto out;
1713                 cx_write(MO_PCI_INTSTAT, status);
1714                 handled = 1;
1715
1716                 if (status & core->pci_irqmask)
1717                         cx88_core_irq(core,status);
1718                 if (status & 0x01)
1719                         cx8800_vid_irq(dev);
1720         };
1721         if (10 == loop) {
1722                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1723                        core->name);
1724                 cx_write(MO_PCI_INTMSK,0);
1725         }
1726
1727  out:
1728         return IRQ_RETVAL(handled);
1729 }
1730
1731 /* ----------------------------------------------------------- */
1732 /* exported stuff                                              */
1733
1734 static struct file_operations video_fops =
1735 {
1736         .owner         = THIS_MODULE,
1737         .open          = video_open,
1738         .release       = video_release,
1739         .read          = video_read,
1740         .poll          = video_poll,
1741         .mmap          = video_mmap,
1742         .ioctl         = video_ioctl,
1743         .llseek        = no_llseek,
1744 };
1745
1746 static struct video_device cx8800_video_template =
1747 {
1748         .name          = "cx8800-video",
1749         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1750         .hardware      = 0,
1751         .fops          = &video_fops,
1752         .minor         = -1,
1753 };
1754
1755 static struct video_device cx8800_vbi_template =
1756 {
1757         .name          = "cx8800-vbi",
1758         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1759         .hardware      = 0,
1760         .fops          = &video_fops,
1761         .minor         = -1,
1762 };
1763
1764 static struct file_operations radio_fops =
1765 {
1766         .owner         = THIS_MODULE,
1767         .open          = video_open,
1768         .release       = video_release,
1769         .ioctl         = radio_ioctl,
1770         .llseek        = no_llseek,
1771 };
1772
1773 static struct video_device cx8800_radio_template =
1774 {
1775         .name          = "cx8800-radio",
1776         .type          = VID_TYPE_TUNER,
1777         .hardware      = 0,
1778         .fops          = &radio_fops,
1779         .minor         = -1,
1780 };
1781
1782 /* ----------------------------------------------------------- */
1783
1784 static void cx8800_unregister_video(struct cx8800_dev *dev)
1785 {
1786         if (dev->radio_dev) {
1787                 if (-1 != dev->radio_dev->minor)
1788                         video_unregister_device(dev->radio_dev);
1789                 else
1790                         video_device_release(dev->radio_dev);
1791                 dev->radio_dev = NULL;
1792         }
1793         if (dev->vbi_dev) {
1794                 if (-1 != dev->vbi_dev->minor)
1795                         video_unregister_device(dev->vbi_dev);
1796                 else
1797                         video_device_release(dev->vbi_dev);
1798                 dev->vbi_dev = NULL;
1799         }
1800         if (dev->video_dev) {
1801                 if (-1 != dev->video_dev->minor)
1802                         video_unregister_device(dev->video_dev);
1803                 else
1804                         video_device_release(dev->video_dev);
1805                 dev->video_dev = NULL;
1806         }
1807 }
1808
1809 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1810                                     const struct pci_device_id *pci_id)
1811 {
1812         struct cx8800_dev *dev;
1813         struct cx88_core *core;
1814         int err;
1815
1816         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
1817         if (NULL == dev)
1818                 return -ENOMEM;
1819         memset(dev,0,sizeof(*dev));
1820
1821         /* pci init */
1822         dev->pci = pci_dev;
1823         if (pci_enable_device(pci_dev)) {
1824                 err = -EIO;
1825                 goto fail_free;
1826         }
1827         core = cx88_core_get(dev->pci);
1828         if (NULL == core) {
1829                 err = -EINVAL;
1830                 goto fail_free;
1831         }
1832         dev->core = core;
1833
1834         /* print pci info */
1835         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1836         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1837         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1838                "latency: %d, mmio: 0x%lx\n", core->name,
1839                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1840                dev->pci_lat,pci_resource_start(pci_dev,0));
1841
1842         pci_set_master(pci_dev);
1843         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1844                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1845                 err = -EIO;
1846                 goto fail_core;
1847         }
1848
1849         /* initialize driver struct */
1850         spin_lock_init(&dev->slock);
1851         core->tvnorm = tvnorms;
1852
1853         /* init video dma queues */
1854         INIT_LIST_HEAD(&dev->vidq.active);
1855         INIT_LIST_HEAD(&dev->vidq.queued);
1856         dev->vidq.timeout.function = cx8800_vid_timeout;
1857         dev->vidq.timeout.data     = (unsigned long)dev;
1858         init_timer(&dev->vidq.timeout);
1859         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1860                           MO_VID_DMACNTRL,0x11,0x00);
1861
1862         /* init vbi dma queues */
1863         INIT_LIST_HEAD(&dev->vbiq.active);
1864         INIT_LIST_HEAD(&dev->vbiq.queued);
1865         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1866         dev->vbiq.timeout.data     = (unsigned long)dev;
1867         init_timer(&dev->vbiq.timeout);
1868         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1869                           MO_VID_DMACNTRL,0x88,0x00);
1870
1871         /* get irq */
1872         err = request_irq(pci_dev->irq, cx8800_irq,
1873                           SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1874         if (err < 0) {
1875                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1876                        core->name,pci_dev->irq);
1877                 goto fail_core;
1878         }
1879         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1880
1881         /* load and configure helper modules */
1882         if (TUNER_ABSENT != core->tuner_type)
1883                 request_module("tuner");
1884         if (core->tda9887_conf)
1885                 request_module("tda9887");
1886
1887         /* register v4l devices */
1888         dev->video_dev = cx88_vdev_init(core,dev->pci,
1889                                         &cx8800_video_template,"video");
1890         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1891                                     video_nr[core->nr]);
1892         if (err < 0) {
1893                 printk(KERN_INFO "%s: can't register video device\n",
1894                        core->name);
1895                 goto fail_unreg;
1896         }
1897         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1898                core->name,dev->video_dev->minor & 0x1f);
1899
1900         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1901         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1902                                     vbi_nr[core->nr]);
1903         if (err < 0) {
1904                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1905                        core->name);
1906                 goto fail_unreg;
1907         }
1908         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1909                core->name,dev->vbi_dev->minor & 0x1f);
1910
1911         if (core->has_radio) {
1912                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1913                                                 &cx8800_radio_template,"radio");
1914                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1915                                             radio_nr[core->nr]);
1916                 if (err < 0) {
1917                         printk(KERN_INFO "%s/0: can't register radio device\n",
1918                                core->name);
1919                         goto fail_unreg;
1920                 }
1921                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1922                        core->name,dev->radio_dev->minor & 0x1f);
1923         }
1924
1925         /* everything worked */
1926         list_add_tail(&dev->devlist,&cx8800_devlist);
1927         pci_set_drvdata(pci_dev,dev);
1928
1929         /* initial device configuration */
1930         down(&core->lock);
1931         init_controls(core);
1932         cx88_set_tvnorm(core,tvnorms);
1933         video_mux(core,0);
1934         up(&core->lock);
1935
1936         /* start tvaudio thread */
1937         if (core->tuner_type != TUNER_ABSENT)
1938                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1939         return 0;
1940
1941 fail_unreg:
1942         cx8800_unregister_video(dev);
1943         free_irq(pci_dev->irq, dev);
1944 fail_core:
1945         cx88_core_put(core,dev->pci);
1946 fail_free:
1947         kfree(dev);
1948         return err;
1949 }
1950
1951 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1952 {
1953         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1954         struct cx88_core *core = dev->core;
1955
1956         /* stop thread */
1957         if (core->kthread) {
1958                 kthread_stop(core->kthread);
1959                 core->kthread = NULL;
1960         }
1961
1962         cx88_shutdown(core); /* FIXME */
1963         pci_disable_device(pci_dev);
1964
1965         /* unregister stuff */
1966
1967         free_irq(pci_dev->irq, dev);
1968         cx8800_unregister_video(dev);
1969         pci_set_drvdata(pci_dev, NULL);
1970
1971         /* free memory */
1972         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1973         list_del(&dev->devlist);
1974         cx88_core_put(core,dev->pci);
1975         kfree(dev);
1976 }
1977
1978 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1979 {
1980         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1981         struct cx88_core *core = dev->core;
1982
1983         /* stop video+vbi capture */
1984         spin_lock(&dev->slock);
1985         if (!list_empty(&dev->vidq.active)) {
1986                 printk("%s: suspend video\n", core->name);
1987                 stop_video_dma(dev);
1988                 del_timer(&dev->vidq.timeout);
1989         }
1990         if (!list_empty(&dev->vbiq.active)) {
1991                 printk("%s: suspend vbi\n", core->name);
1992                 cx8800_stop_vbi_dma(dev);
1993                 del_timer(&dev->vbiq.timeout);
1994         }
1995         spin_unlock(&dev->slock);
1996
1997         /* FIXME -- shutdown device */
1998         cx88_shutdown(core);
1999
2000         pci_save_state(pci_dev);
2001         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2002                 pci_disable_device(pci_dev);
2003                 dev->state.disabled = 1;
2004         }
2005         return 0;
2006 }
2007
2008 static int cx8800_resume(struct pci_dev *pci_dev)
2009 {
2010         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2011         struct cx88_core *core = dev->core;
2012         int err;
2013
2014         if (dev->state.disabled) {
2015                 err=pci_enable_device(pci_dev);
2016                 if (err) {
2017                         printk(KERN_ERR "%s: can't enable device\n",
2018                                                        core->name);
2019                         return err;
2020                 }
2021
2022                 dev->state.disabled = 0;
2023         }
2024         err= pci_set_power_state(pci_dev, PCI_D0);
2025         if (err) {
2026                 printk(KERN_ERR "%s: can't enable device\n",
2027                                        core->name);
2028
2029                 pci_disable_device(pci_dev);
2030                 dev->state.disabled = 1;
2031
2032                 return err;
2033         }
2034         pci_restore_state(pci_dev);
2035
2036         /* FIXME: re-initialize hardware */
2037         cx88_reset(core);
2038
2039         /* restart video+vbi capture */
2040         spin_lock(&dev->slock);
2041         if (!list_empty(&dev->vidq.active)) {
2042                 printk("%s: resume video\n", core->name);
2043                 restart_video_queue(dev,&dev->vidq);
2044         }
2045         if (!list_empty(&dev->vbiq.active)) {
2046                 printk("%s: resume vbi\n", core->name);
2047                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2048         }
2049         spin_unlock(&dev->slock);
2050
2051         return 0;
2052 }
2053
2054 /* ----------------------------------------------------------- */
2055
2056 static struct pci_device_id cx8800_pci_tbl[] = {
2057         {
2058                 .vendor       = 0x14f1,
2059                 .device       = 0x8800,
2060                 .subvendor    = PCI_ANY_ID,
2061                 .subdevice    = PCI_ANY_ID,
2062         },{
2063                 /* --- end of list --- */
2064         }
2065 };
2066 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2067
2068 static struct pci_driver cx8800_pci_driver = {
2069         .name     = "cx8800",
2070         .id_table = cx8800_pci_tbl,
2071         .probe    = cx8800_initdev,
2072         .remove   = __devexit_p(cx8800_finidev),
2073
2074         .suspend  = cx8800_suspend,
2075         .resume   = cx8800_resume,
2076 };
2077
2078 static int cx8800_init(void)
2079 {
2080         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2081                (CX88_VERSION_CODE >> 16) & 0xff,
2082                (CX88_VERSION_CODE >>  8) & 0xff,
2083                CX88_VERSION_CODE & 0xff);
2084 #ifdef SNAPSHOT
2085         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2086                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2087 #endif
2088         return pci_register_driver(&cx8800_pci_driver);
2089 }
2090
2091 static void cx8800_fini(void)
2092 {
2093         pci_unregister_driver(&cx8800_pci_driver);
2094 }
2095
2096 module_init(cx8800_init);
2097 module_exit(cx8800_fini);
2098
2099 EXPORT_SYMBOL(cx88_do_ioctl);
2100
2101 /* ----------------------------------------------------------- */
2102 /*
2103  * Local variables:
2104  * c-basic-offset: 8
2105  * End:
2106  * 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
2107  */