drivers/media/video/cx88/cx88-video.c

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/dma-mapping.h>
  36 #include <linux/delay.h>
  37 #include <linux/kthread.h>
  38 #include <asm/div64.h>
  39
  40 #include "cx88.h"
  41 #include <media/v4l2-common.h>
  42
  43 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  44 /* Include V4L1 specific functions. Should be removed soon */
  45 #include <linux/videodev.h>
  46 #endif
  47
  48 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  49 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  50 MODULE_LICENSE("GPL");
  51
  52 /* ------------------------------------------------------------------ */
  53
  54 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  55 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  57
  58 module_param_array(video_nr, int, NULL, 0444);
  59 module_param_array(vbi_nr,   int, NULL, 0444);
  60 module_param_array(radio_nr, int, NULL, 0444);
  61
  62 MODULE_PARM_DESC(video_nr,"video device numbers");
  63 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  64 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  65
  66 static unsigned int video_debug = 0;
  67 module_param(video_debug,int,0644);
  68 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  69
  70 static unsigned int irq_debug = 0;
  71 module_param(irq_debug,int,0644);
  72 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  73
  74 static unsigned int vid_limit = 16;
  75 module_param(vid_limit,int,0644);
  76 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  77
  78 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  79         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  80
  81 /* ------------------------------------------------------------------ */
  82
  83 static LIST_HEAD(cx8800_devlist);
  84
  85 /* ------------------------------------------------------------------- */
  86 /* static data                                                         */
  87
  88 static struct cx8800_fmt formats[] = {
  89         {
  90                 .name     = "8 bpp, gray",
  91                 .fourcc   = V4L2_PIX_FMT_GREY,
  92                 .cxformat = ColorFormatY8,
  93                 .depth    = 8,
  94                 .flags    = FORMAT_FLAGS_PACKED,
  95         },{
  96                 .name     = "15 bpp RGB, le",
  97                 .fourcc   = V4L2_PIX_FMT_RGB555,
  98                 .cxformat = ColorFormatRGB15,
  99                 .depth    = 16,
 100                 .flags    = FORMAT_FLAGS_PACKED,
 101         },{
 102                 .name     = "15 bpp RGB, be",
 103                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 104                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 105                 .depth    = 16,
 106                 .flags    = FORMAT_FLAGS_PACKED,
 107         },{
 108                 .name     = "16 bpp RGB, le",
 109                 .fourcc   = V4L2_PIX_FMT_RGB565,
 110                 .cxformat = ColorFormatRGB16,
 111                 .depth    = 16,
 112                 .flags    = FORMAT_FLAGS_PACKED,
 113         },{
 114                 .name     = "16 bpp RGB, be",
 115                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 116                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 117                 .depth    = 16,
 118                 .flags    = FORMAT_FLAGS_PACKED,
 119         },{
 120                 .name     = "24 bpp RGB, le",
 121                 .fourcc   = V4L2_PIX_FMT_BGR24,
 122                 .cxformat = ColorFormatRGB24,
 123                 .depth    = 24,
 124                 .flags    = FORMAT_FLAGS_PACKED,
 125         },{
 126                 .name     = "32 bpp RGB, le",
 127                 .fourcc   = V4L2_PIX_FMT_BGR32,
 128                 .cxformat = ColorFormatRGB32,
 129                 .depth    = 32,
 130                 .flags    = FORMAT_FLAGS_PACKED,
 131         },{
 132                 .name     = "32 bpp RGB, be",
 133                 .fourcc   = V4L2_PIX_FMT_RGB32,
 134                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 135                 .depth    = 32,
 136                 .flags    = FORMAT_FLAGS_PACKED,
 137         },{
 138                 .name     = "4:2:2, packed, YUYV",
 139                 .fourcc   = V4L2_PIX_FMT_YUYV,
 140                 .cxformat = ColorFormatYUY2,
 141                 .depth    = 16,
 142                 .flags    = FORMAT_FLAGS_PACKED,
 143         },{
 144                 .name     = "4:2:2, packed, UYVY",
 145                 .fourcc   = V4L2_PIX_FMT_UYVY,
 146                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 147                 .depth    = 16,
 148                 .flags    = FORMAT_FLAGS_PACKED,
 149         },
 150 };
 151
 152 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 153 {
 154         unsigned int i;
 155
 156         for (i = 0; i < ARRAY_SIZE(formats); i++)
 157                 if (formats[i].fourcc == fourcc)
 158                         return formats+i;
 159         return NULL;
 160 }
 161
 162 /* ------------------------------------------------------------------- */
 163
 164 static const struct v4l2_queryctrl no_ctl = {
 165         .name  = "42",
 166         .flags = V4L2_CTRL_FLAG_DISABLED,
 167 };
 168
 169 static struct cx88_ctrl cx8800_ctls[] = {
 170         /* --- video --- */
 171         {
 172                 .v = {
 173                         .id            = V4L2_CID_BRIGHTNESS,
 174                         .name          = "Brightness",
 175                         .minimum       = 0x00,
 176                         .maximum       = 0xff,
 177                         .step          = 1,
 178                         .default_value = 0x7f,
 179                         .type          = V4L2_CTRL_TYPE_INTEGER,
 180                 },
 181                 .off                   = 128,
 182                 .reg                   = MO_CONTR_BRIGHT,
 183                 .mask                  = 0x00ff,
 184                 .shift                 = 0,
 185         },{
 186                 .v = {
 187                         .id            = V4L2_CID_CONTRAST,
 188                         .name          = "Contrast",
 189                         .minimum       = 0,
 190                         .maximum       = 0xff,
 191                         .step          = 1,
 192                         .default_value = 0x3f,
 193                         .type          = V4L2_CTRL_TYPE_INTEGER,
 194                 },
 195                 .off                   = 0,
 196                 .reg                   = MO_CONTR_BRIGHT,
 197                 .mask                  = 0xff00,
 198                 .shift                 = 8,
 199         },{
 200                 .v = {
 201                         .id            = V4L2_CID_HUE,
 202                         .name          = "Hue",
 203                         .minimum       = 0,
 204                         .maximum       = 0xff,
 205                         .step          = 1,
 206                         .default_value = 0x7f,
 207                         .type          = V4L2_CTRL_TYPE_INTEGER,
 208                 },
 209                 .off                   = 128,
 210                 .reg                   = MO_HUE,
 211                 .mask                  = 0x00ff,
 212                 .shift                 = 0,
 213         },{
 214                 /* strictly, this only describes only U saturation.
 215                  * V saturation is handled specially through code.
 216                  */
 217                 .v = {
 218                         .id            = V4L2_CID_SATURATION,
 219                         .name          = "Saturation",
 220                         .minimum       = 0,
 221                         .maximum       = 0xff,
 222                         .step          = 1,
 223                         .default_value = 0x7f,
 224                         .type          = V4L2_CTRL_TYPE_INTEGER,
 225                 },
 226                 .off                   = 0,
 227                 .reg                   = MO_UV_SATURATION,
 228                 .mask                  = 0x00ff,
 229                 .shift                 = 0,
 230         },{
 231         /* --- audio --- */
 232                 .v = {
 233                         .id            = V4L2_CID_AUDIO_MUTE,
 234                         .name          = "Mute",
 235                         .minimum       = 0,
 236                         .maximum       = 1,
 237                         .default_value = 1,
 238                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 239                 },
 240                 .reg                   = AUD_VOL_CTL,
 241                 .sreg                  = SHADOW_AUD_VOL_CTL,
 242                 .mask                  = (1 << 6),
 243                 .shift                 = 6,
 244         },{
 245                 .v = {
 246                         .id            = V4L2_CID_AUDIO_VOLUME,
 247                         .name          = "Volume",
 248                         .minimum       = 0,
 249                         .maximum       = 0x3f,
 250                         .step          = 1,
 251                         .default_value = 0x3f,
 252                         .type          = V4L2_CTRL_TYPE_INTEGER,
 253                 },
 254                 .reg                   = AUD_VOL_CTL,
 255                 .sreg                  = SHADOW_AUD_VOL_CTL,
 256                 .mask                  = 0x3f,
 257                 .shift                 = 0,
 258         },{
 259                 .v = {
 260                         .id            = V4L2_CID_AUDIO_BALANCE,
 261                         .name          = "Balance",
 262                         .minimum       = 0,
 263                         .maximum       = 0x7f,
 264                         .step          = 1,
 265                         .default_value = 0x40,
 266                         .type          = V4L2_CTRL_TYPE_INTEGER,
 267                 },
 268                 .reg                   = AUD_BAL_CTL,
 269                 .sreg                  = SHADOW_AUD_BAL_CTL,
 270                 .mask                  = 0x7f,
 271                 .shift                 = 0,
 272         }
 273 };
 274 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 275
 276 const u32 cx88_user_ctrls[] = {
 277         V4L2_CID_USER_CLASS,
 278         V4L2_CID_BRIGHTNESS,
 279         V4L2_CID_CONTRAST,
 280         V4L2_CID_SATURATION,
 281         V4L2_CID_HUE,
 282         V4L2_CID_AUDIO_VOLUME,
 283         V4L2_CID_AUDIO_BALANCE,
 284         V4L2_CID_AUDIO_MUTE,
 285         0
 286 };
 287 EXPORT_SYMBOL(cx88_user_ctrls);
 288
 289 static const u32 *ctrl_classes[] = {
 290         cx88_user_ctrls,
 291         NULL
 292 };
 293
 294 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
 295 {
 296         int i;
 297
 298         if (qctrl->id < V4L2_CID_BASE ||
 299             qctrl->id >= V4L2_CID_LASTP1)
 300                 return -EINVAL;
 301         for (i = 0; i < CX8800_CTLS; i++)
 302                 if (cx8800_ctls[i].v.id == qctrl->id)
 303                         break;
 304         if (i == CX8800_CTLS) {
 305                 *qctrl = no_ctl;
 306                 return 0;
 307         }
 308         *qctrl = cx8800_ctls[i].v;
 309         return 0;
 310 }
 311 EXPORT_SYMBOL(cx8800_ctrl_query);
 312
 313 /* ------------------------------------------------------------------- */
 314 /* resource management                                                 */
 315
 316 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 317 {
 318         struct cx88_core *core = dev->core;
 319         if (fh->resources & bit)
 320                 /* have it already allocated */
 321                 return 1;
 322
 323         /* is it free? */
 324         mutex_lock(&core->lock);
 325         if (dev->resources & bit) {
 326                 /* no, someone else uses it */
 327                 mutex_unlock(&core->lock);
 328                 return 0;
 329         }
 330         /* it's free, grab it */
 331         fh->resources  |= bit;
 332         dev->resources |= bit;
 333         dprintk(1,"res: get %d\n",bit);
 334         mutex_unlock(&core->lock);
 335         return 1;
 336 }
 337
 338 static
 339 int res_check(struct cx8800_fh *fh, unsigned int bit)
 340 {
 341         return (fh->resources & bit);
 342 }
 343
 344 static
 345 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 346 {
 347         return (dev->resources & bit);
 348 }
 349
 350 static
 351 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 352 {
 353         struct cx88_core *core = dev->core;
 354         BUG_ON((fh->resources & bits) != bits);
 355
 356         mutex_lock(&core->lock);
 357         fh->resources  &= ~bits;
 358         dev->resources &= ~bits;
 359         dprintk(1,"res: put %d\n",bits);
 360         mutex_unlock(&core->lock);
 361 }
 362
 363 /* ------------------------------------------------------------------ */
 364
 365 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 366 {
 367         /* struct cx88_core *core = dev->core; */
 368
 369         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 370                 input, INPUT(input).vmux,
 371                 INPUT(input).gpio0,INPUT(input).gpio1,
 372                 INPUT(input).gpio2,INPUT(input).gpio3);
 373         core->input = input;
 374         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 375         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 376         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 377         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 378         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 379
 380         switch (INPUT(input).type) {
 381         case CX88_VMUX_SVIDEO:
 382                 cx_set(MO_AFECFG_IO,    0x00000001);
 383                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 384                 cx_set(MO_FILTER_EVEN,  0x00002020);
 385                 cx_set(MO_FILTER_ODD,   0x00002020);
 386                 break;
 387         default:
 388                 cx_clear(MO_AFECFG_IO,    0x00000001);
 389                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 390                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 391                 cx_clear(MO_FILTER_ODD,   0x00002020);
 392                 break;
 393         }
 394
 395         /* if there are audioroutes defined, we have an external
 396            ADC to deal with audio */
 397
 398         if (INPUT(input).audioroute) {
 399
 400                 /* cx2388's C-ADC is connected to the tuner only.
 401                    When used with S-Video, that ADC is busy dealing with
 402                    chroma, so an external must be used for baseband audio */
 403
 404                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 405                         INPUT(input).type != CX88_RADIO) {
 406                         /* "ADC mode" */
 407                         cx_write(AUD_I2SCNTL, 0x1);
 408                         cx_set(AUD_CTL, EN_I2SIN_ENABLE);
 409                 } else {
 410                         /* Normal mode */
 411                         cx_write(AUD_I2SCNTL, 0x0);
 412                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 413                 }
 414
 415                 /* The wm8775 module has the "2" route hardwired into
 416                    the initialization. Some boards may use different
 417                    routes for different inputs. HVR-1300 surely does */
 418                 if (core->board.audio_chip &&
 419                     core->board.audio_chip == AUDIO_CHIP_WM8775) {
 420                         struct v4l2_routing route;
 421
 422                         route.input = INPUT(input).audioroute;
 423                         cx88_call_i2c_clients(core,
 424                                 VIDIOC_INT_S_AUDIO_ROUTING, &route);
 425
 426                 }
 427
 428         }
 429
 430         return 0;
 431 }
 432 EXPORT_SYMBOL(cx88_video_mux);
 433
 434 /* ------------------------------------------------------------------ */
 435
 436 static int start_video_dma(struct cx8800_dev    *dev,
 437                            struct cx88_dmaqueue *q,
 438                            struct cx88_buffer   *buf)
 439 {
 440         struct cx88_core *core = dev->core;
 441
 442         /* setup fifo + format */
 443         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 444                                 buf->bpl, buf->risc.dma);
 445         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 446         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 447
 448         /* reset counter */
 449         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 450         q->count = 1;
 451
 452         /* enable irqs */
 453         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 454
 455         /* Enables corresponding bits at PCI_INT_STAT:
 456                 bits 0 to 4: video, audio, transport stream, VIP, Host
 457                 bit 7: timer
 458                 bits 8 and 9: DMA complete for: SRC, DST
 459                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 460                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 461          */
 462         cx_set(MO_VID_INTMSK, 0x0f0011);
 463
 464         /* enable capture */
 465         cx_set(VID_CAPTURE_CONTROL,0x06);
 466
 467         /* start dma */
 468         cx_set(MO_DEV_CNTRL2, (1<<5));
 469         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 470
 471         return 0;
 472 }
 473
 474 #ifdef CONFIG_PM
 475 static int stop_video_dma(struct cx8800_dev    *dev)
 476 {
 477         struct cx88_core *core = dev->core;
 478
 479         /* stop dma */
 480         cx_clear(MO_VID_DMACNTRL, 0x11);
 481
 482         /* disable capture */
 483         cx_clear(VID_CAPTURE_CONTROL,0x06);
 484
 485         /* disable irqs */
 486         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 487         cx_clear(MO_VID_INTMSK, 0x0f0011);
 488         return 0;
 489 }
 490 #endif
 491
 492 static int restart_video_queue(struct cx8800_dev    *dev,
 493                                struct cx88_dmaqueue *q)
 494 {
 495         struct cx88_core *core = dev->core;
 496         struct cx88_buffer *buf, *prev;
 497
 498         if (!list_empty(&q->active)) {
 499                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 500                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 501                         buf, buf->vb.i);
 502                 start_video_dma(dev, q, buf);
 503                 list_for_each_entry(buf, &q->active, vb.queue)
 504                         buf->count = q->count++;
 505                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 506                 return 0;
 507         }
 508
 509         prev = NULL;
 510         for (;;) {
 511                 if (list_empty(&q->queued))
 512                         return 0;
 513                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 514                 if (NULL == prev) {
 515                         list_move_tail(&buf->vb.queue, &q->active);
 516                         start_video_dma(dev, q, buf);
 517                         buf->vb.state = VIDEOBUF_ACTIVE;
 518                         buf->count    = q->count++;
 519                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 520                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 521                                 buf,buf->vb.i);
 522
 523                 } else if (prev->vb.width  == buf->vb.width  &&
 524                            prev->vb.height == buf->vb.height &&
 525                            prev->fmt       == buf->fmt) {
 526                         list_move_tail(&buf->vb.queue, &q->active);
 527                         buf->vb.state = VIDEOBUF_ACTIVE;
 528                         buf->count    = q->count++;
 529                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 530                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 531                                 buf,buf->vb.i);
 532                 } else {
 533                         return 0;
 534                 }
 535                 prev = buf;
 536         }
 537 }
 538
 539 /* ------------------------------------------------------------------ */
 540
 541 static int
 542 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 543 {
 544         struct cx8800_fh *fh = q->priv_data;
 545
 546         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 547         if (0 == *count)
 548                 *count = 32;
 549         while (*size * *count > vid_limit * 1024 * 1024)
 550                 (*count)--;
 551         return 0;
 552 }
 553
 554 static int
 555 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 556                enum v4l2_field field)
 557 {
 558         struct cx8800_fh   *fh  = q->priv_data;
 559         struct cx8800_dev  *dev = fh->dev;
 560         struct cx88_core *core = dev->core;
 561         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 562         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 563         int rc, init_buffer = 0;
 564
 565         BUG_ON(NULL == fh->fmt);
 566         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 567             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 568                 return -EINVAL;
 569         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 570         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 571                 return -EINVAL;
 572
 573         if (buf->fmt       != fh->fmt    ||
 574             buf->vb.width  != fh->width  ||
 575             buf->vb.height != fh->height ||
 576             buf->vb.field  != field) {
 577                 buf->fmt       = fh->fmt;
 578                 buf->vb.width  = fh->width;
 579                 buf->vb.height = fh->height;
 580                 buf->vb.field  = field;
 581                 init_buffer = 1;
 582         }
 583
 584         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 585                 init_buffer = 1;
 586                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 587                         goto fail;
 588         }
 589
 590         if (init_buffer) {
 591                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 592                 switch (buf->vb.field) {
 593                 case V4L2_FIELD_TOP:
 594                         cx88_risc_buffer(dev->pci, &buf->risc,
 595                                          dma->sglist, 0, UNSET,
 596                                          buf->bpl, 0, buf->vb.height);
 597                         break;
 598                 case V4L2_FIELD_BOTTOM:
 599                         cx88_risc_buffer(dev->pci, &buf->risc,
 600                                          dma->sglist, UNSET, 0,
 601                                          buf->bpl, 0, buf->vb.height);
 602                         break;
 603                 case V4L2_FIELD_INTERLACED:
 604                         cx88_risc_buffer(dev->pci, &buf->risc,
 605                                          dma->sglist, 0, buf->bpl,
 606                                          buf->bpl, buf->bpl,
 607                                          buf->vb.height >> 1);
 608                         break;
 609                 case V4L2_FIELD_SEQ_TB:
 610                         cx88_risc_buffer(dev->pci, &buf->risc,
 611                                          dma->sglist,
 612                                          0, buf->bpl * (buf->vb.height >> 1),
 613                                          buf->bpl, 0,
 614                                          buf->vb.height >> 1);
 615                         break;
 616                 case V4L2_FIELD_SEQ_BT:
 617                         cx88_risc_buffer(dev->pci, &buf->risc,
 618                                          dma->sglist,
 619                                          buf->bpl * (buf->vb.height >> 1), 0,
 620                                          buf->bpl, 0,
 621                                          buf->vb.height >> 1);
 622                         break;
 623                 default:
 624                         BUG();
 625                 }
 626         }
 627         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 628                 buf, buf->vb.i,
 629                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 630                 (unsigned long)buf->risc.dma);
 631
 632         buf->vb.state = VIDEOBUF_PREPARED;
 633         return 0;
 634
 635  fail:
 636         cx88_free_buffer(q,buf);
 637         return rc;
 638 }
 639
 640 static void
 641 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 642 {
 643         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 644         struct cx88_buffer    *prev;
 645         struct cx8800_fh      *fh   = vq->priv_data;
 646         struct cx8800_dev     *dev  = fh->dev;
 647         struct cx88_core      *core = dev->core;
 648         struct cx88_dmaqueue  *q    = &dev->vidq;
 649
 650         /* add jump to stopper */
 651         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 652         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 653
 654         if (!list_empty(&q->queued)) {
 655                 list_add_tail(&buf->vb.queue,&q->queued);
 656                 buf->vb.state = VIDEOBUF_QUEUED;
 657                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 658                         buf, buf->vb.i);
 659
 660         } else if (list_empty(&q->active)) {
 661                 list_add_tail(&buf->vb.queue,&q->active);
 662                 start_video_dma(dev, q, buf);
 663                 buf->vb.state = VIDEOBUF_ACTIVE;
 664                 buf->count    = q->count++;
 665                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 666                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 667                         buf, buf->vb.i);
 668
 669         } else {
 670                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 671                 if (prev->vb.width  == buf->vb.width  &&
 672                     prev->vb.height == buf->vb.height &&
 673                     prev->fmt       == buf->fmt) {
 674                         list_add_tail(&buf->vb.queue,&q->active);
 675                         buf->vb.state = VIDEOBUF_ACTIVE;
 676                         buf->count    = q->count++;
 677                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 678                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 679                                 buf, buf->vb.i);
 680
 681                 } else {
 682                         list_add_tail(&buf->vb.queue,&q->queued);
 683                         buf->vb.state = VIDEOBUF_QUEUED;
 684                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 685                                 buf, buf->vb.i);
 686                 }
 687         }
 688 }
 689
 690 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 691 {
 692         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 693
 694         cx88_free_buffer(q,buf);
 695 }
 696
 697 static struct videobuf_queue_ops cx8800_video_qops = {
 698         .buf_setup    = buffer_setup,
 699         .buf_prepare  = buffer_prepare,
 700         .buf_queue    = buffer_queue,
 701         .buf_release  = buffer_release,
 702 };
 703
 704 /* ------------------------------------------------------------------ */
 705
 706
 707 /* ------------------------------------------------------------------ */
 708
 709 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 710 {
 711         switch (fh->type) {
 712         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 713                 return &fh->vidq;
 714         case V4L2_BUF_TYPE_VBI_CAPTURE:
 715                 return &fh->vbiq;
 716         default:
 717                 BUG();
 718                 return NULL;
 719         }
 720 }
 721
 722 static int get_ressource(struct cx8800_fh *fh)
 723 {
 724         switch (fh->type) {
 725         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 726                 return RESOURCE_VIDEO;
 727         case V4L2_BUF_TYPE_VBI_CAPTURE:
 728                 return RESOURCE_VBI;
 729         default:
 730                 BUG();
 731                 return 0;
 732         }
 733 }
 734
 735 static int video_open(struct inode *inode, struct file *file)
 736 {
 737         int minor = iminor(inode);
 738         struct cx8800_dev *h,*dev = NULL;
 739         struct cx88_core *core;
 740         struct cx8800_fh *fh;
 741         enum v4l2_buf_type type = 0;
 742         int radio = 0;
 743
 744         list_for_each_entry(h, &cx8800_devlist, devlist) {
 745                 if (h->video_dev->minor == minor) {
 746                         dev  = h;
 747                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 748                 }
 749                 if (h->vbi_dev->minor == minor) {
 750                         dev  = h;
 751                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 752                 }
 753                 if (h->radio_dev &&
 754                     h->radio_dev->minor == minor) {
 755                         radio = 1;
 756                         dev   = h;
 757                 }
 758         }
 759         if (NULL == dev)
 760                 return -ENODEV;
 761
 762         core = dev->core;
 763
 764         dprintk(1,"open minor=%d radio=%d type=%s\n",
 765                 minor,radio,v4l2_type_names[type]);
 766
 767         /* allocate + initialize per filehandle data */
 768         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 769         if (NULL == fh)
 770                 return -ENOMEM;
 771         file->private_data = fh;
 772         fh->dev      = dev;
 773         fh->radio    = radio;
 774         fh->type     = type;
 775         fh->width    = 320;
 776         fh->height   = 240;
 777         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 778
 779         videobuf_queue_pci_init(&fh->vidq, &cx8800_video_qops,
 780                             dev->pci, &dev->slock,
 781                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 782                             V4L2_FIELD_INTERLACED,
 783                             sizeof(struct cx88_buffer),
 784                             fh);
 785         videobuf_queue_pci_init(&fh->vbiq, &cx8800_vbi_qops,
 786                             dev->pci, &dev->slock,
 787                             V4L2_BUF_TYPE_VBI_CAPTURE,
 788                             V4L2_FIELD_SEQ_TB,
 789                             sizeof(struct cx88_buffer),
 790                             fh);
 791
 792         if (fh->radio) {
 793                 dprintk(1,"video_open: setting radio device\n");
 794                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 795                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 796                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 797                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 798                 core->tvaudio = WW_FM;
 799                 cx88_set_tvaudio(core);
 800                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 801                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 802         }
 803
 804         return 0;
 805 }
 806
 807 static ssize_t
 808 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 809 {
 810         struct cx8800_fh *fh = file->private_data;
 811
 812         switch (fh->type) {
 813         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 814                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 815                         return -EBUSY;
 816                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 817                                          file->f_flags & O_NONBLOCK);
 818         case V4L2_BUF_TYPE_VBI_CAPTURE:
 819                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 820                         return -EBUSY;
 821                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 822                                             file->f_flags & O_NONBLOCK);
 823         default:
 824                 BUG();
 825                 return 0;
 826         }
 827 }
 828
 829 static unsigned int
 830 video_poll(struct file *file, struct poll_table_struct *wait)
 831 {
 832         struct cx8800_fh *fh = file->private_data;
 833         struct cx88_buffer *buf;
 834
 835         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 836                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 837                         return POLLERR;
 838                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 839         }
 840
 841         if (res_check(fh,RESOURCE_VIDEO)) {
 842                 /* streaming capture */
 843                 if (list_empty(&fh->vidq.stream))
 844                         return POLLERR;
 845                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 846         } else {
 847                 /* read() capture */
 848                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 849                 if (NULL == buf)
 850                         return POLLERR;
 851         }
 852         poll_wait(file, &buf->vb.done, wait);
 853         if (buf->vb.state == VIDEOBUF_DONE ||
 854             buf->vb.state == VIDEOBUF_ERROR)
 855                 return POLLIN|POLLRDNORM;
 856         return 0;
 857 }
 858
 859 static int video_release(struct inode *inode, struct file *file)
 860 {
 861         struct cx8800_fh  *fh  = file->private_data;
 862         struct cx8800_dev *dev = fh->dev;
 863
 864         /* turn off overlay */
 865         if (res_check(fh, RESOURCE_OVERLAY)) {
 866                 /* FIXME */
 867                 res_free(dev,fh,RESOURCE_OVERLAY);
 868         }
 869
 870         /* stop video capture */
 871         if (res_check(fh, RESOURCE_VIDEO)) {
 872                 videobuf_queue_cancel(&fh->vidq);
 873                 res_free(dev,fh,RESOURCE_VIDEO);
 874         }
 875         if (fh->vidq.read_buf) {
 876                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 877                 kfree(fh->vidq.read_buf);
 878         }
 879
 880         /* stop vbi capture */
 881         if (res_check(fh, RESOURCE_VBI)) {
 882                 videobuf_stop(&fh->vbiq);
 883                 res_free(dev,fh,RESOURCE_VBI);
 884         }
 885
 886         videobuf_mmap_free(&fh->vidq);
 887         videobuf_mmap_free(&fh->vbiq);
 888         file->private_data = NULL;
 889         kfree(fh);
 890
 891         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 892
 893         return 0;
 894 }
 895
 896 static int
 897 video_mmap(struct file *file, struct vm_area_struct * vma)
 898 {
 899         struct cx8800_fh *fh = file->private_data;
 900
 901         return videobuf_mmap_mapper(get_queue(fh), vma);
 902 }
 903
 904 /* ------------------------------------------------------------------ */
 905 /* VIDEO CTRL IOCTLS                                                  */
 906
 907 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 908 {
 909         struct cx88_ctrl  *c    = NULL;
 910         u32 value;
 911         int i;
 912
 913         for (i = 0; i < CX8800_CTLS; i++)
 914                 if (cx8800_ctls[i].v.id == ctl->id)
 915                         c = &cx8800_ctls[i];
 916         if (unlikely(NULL == c))
 917                 return -EINVAL;
 918
 919         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 920         switch (ctl->id) {
 921         case V4L2_CID_AUDIO_BALANCE:
 922                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 923                                         : (0x7f - (value & 0x7f));
 924                 break;
 925         case V4L2_CID_AUDIO_VOLUME:
 926                 ctl->value = 0x3f - (value & 0x3f);
 927                 break;
 928         default:
 929                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 930                 break;
 931         }
 932         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 933                                 ctl->id, c->v.name, ctl->value, c->reg,
 934                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 935         return 0;
 936 }
 937 EXPORT_SYMBOL(cx88_get_control);
 938
 939 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 940 {
 941         struct cx88_ctrl *c = NULL;
 942         u32 value,mask;
 943         int i;
 944
 945         for (i = 0; i < CX8800_CTLS; i++) {
 946                 if (cx8800_ctls[i].v.id == ctl->id) {
 947                         c = &cx8800_ctls[i];
 948                 }
 949         }
 950         if (unlikely(NULL == c))
 951                 return -EINVAL;
 952
 953         if (ctl->value < c->v.minimum)
 954                 ctl->value = c->v.minimum;
 955         if (ctl->value > c->v.maximum)
 956                 ctl->value = c->v.maximum;
 957         mask=c->mask;
 958         switch (ctl->id) {
 959         case V4L2_CID_AUDIO_BALANCE:
 960                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 961                 break;
 962         case V4L2_CID_AUDIO_VOLUME:
 963                 value = 0x3f - (ctl->value & 0x3f);
 964                 break;
 965         case V4L2_CID_SATURATION:
 966                 /* special v_sat handling */
 967
 968                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 969
 970                 if (core->tvnorm & V4L2_STD_SECAM) {
 971                         /* For SECAM, both U and V sat should be equal */
 972                         value=value<<8|value;
 973                 } else {
 974                         /* Keeps U Saturation proportional to V Sat */
 975                         value=(value*0x5a)/0x7f<<8|value;
 976                 }
 977                 mask=0xffff;
 978                 break;
 979         default:
 980                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 981                 break;
 982         }
 983         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 984                                 ctl->id, c->v.name, ctl->value, c->reg, value,
 985                                 mask, c->sreg ? " [shadowed]" : "");
 986         if (c->sreg) {
 987                 cx_sandor(c->sreg, c->reg, mask, value);
 988         } else {
 989                 cx_andor(c->reg, mask, value);
 990         }
 991         return 0;
 992 }
 993 EXPORT_SYMBOL(cx88_set_control);
 994
 995 static void init_controls(struct cx88_core *core)
 996 {
 997         struct v4l2_control ctrl;
 998         int i;
 999
1000         for (i = 0; i < CX8800_CTLS; i++) {
1001                 ctrl.id=cx8800_ctls[i].v.id;
1002                 ctrl.value=cx8800_ctls[i].v.default_value;
1003
1004                 cx88_set_control(core, &ctrl);
1005         }
1006 }
1007
1008 /* ------------------------------------------------------------------ */
1009 /* VIDEO IOCTLS                                                       */
1010
1011 static int vidioc_g_fmt_cap (struct file *file, void *priv,
1012                                         struct v4l2_format *f)
1013 {
1014         struct cx8800_fh  *fh   = priv;
1015
1016         f->fmt.pix.width        = fh->width;
1017         f->fmt.pix.height       = fh->height;
1018         f->fmt.pix.field        = fh->vidq.field;
1019         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1020         f->fmt.pix.bytesperline =
1021                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1022         f->fmt.pix.sizeimage =
1023                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1024         return 0;
1025 }
1026
1027 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1028                         struct v4l2_format *f)
1029 {
1030         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1031         struct cx8800_fmt *fmt;
1032         enum v4l2_field   field;
1033         unsigned int      maxw, maxh;
1034
1035         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1036         if (NULL == fmt)
1037                 return -EINVAL;
1038
1039         field = f->fmt.pix.field;
1040         maxw  = norm_maxw(core->tvnorm);
1041         maxh  = norm_maxh(core->tvnorm);
1042
1043         if (V4L2_FIELD_ANY == field) {
1044                 field = (f->fmt.pix.height > maxh/2)
1045                         ? V4L2_FIELD_INTERLACED
1046                         : V4L2_FIELD_BOTTOM;
1047         }
1048
1049         switch (field) {
1050         case V4L2_FIELD_TOP:
1051         case V4L2_FIELD_BOTTOM:
1052                 maxh = maxh / 2;
1053                 break;
1054         case V4L2_FIELD_INTERLACED:
1055                 break;
1056         default:
1057                 return -EINVAL;
1058         }
1059
1060         f->fmt.pix.field = field;
1061         if (f->fmt.pix.height < 32)
1062                 f->fmt.pix.height = 32;
1063         if (f->fmt.pix.height > maxh)
1064                 f->fmt.pix.height = maxh;
1065         if (f->fmt.pix.width < 48)
1066                 f->fmt.pix.width = 48;
1067         if (f->fmt.pix.width > maxw)
1068                 f->fmt.pix.width = maxw;
1069         f->fmt.pix.width &= ~0x03;
1070         f->fmt.pix.bytesperline =
1071                 (f->fmt.pix.width * fmt->depth) >> 3;
1072         f->fmt.pix.sizeimage =
1073                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1074
1075         return 0;
1076 }
1077
1078 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1079                                         struct v4l2_format *f)
1080 {
1081         struct cx8800_fh  *fh   = priv;
1082         int err = vidioc_try_fmt_cap (file,priv,f);
1083
1084         if (0 != err)
1085                 return err;
1086         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1087         fh->width      = f->fmt.pix.width;
1088         fh->height     = f->fmt.pix.height;
1089         fh->vidq.field = f->fmt.pix.field;
1090         return 0;
1091 }
1092
1093 static int vidioc_querycap (struct file *file, void  *priv,
1094                                         struct v4l2_capability *cap)
1095 {
1096         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1097         struct cx88_core  *core = dev->core;
1098
1099         strcpy(cap->driver, "cx8800");
1100         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1101         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1102         cap->version = CX88_VERSION_CODE;
1103         cap->capabilities =
1104                 V4L2_CAP_VIDEO_CAPTURE |
1105                 V4L2_CAP_READWRITE     |
1106                 V4L2_CAP_STREAMING     |
1107                 V4L2_CAP_VBI_CAPTURE;
1108         if (UNSET != core->board.tuner_type)
1109                 cap->capabilities |= V4L2_CAP_TUNER;
1110         return 0;
1111 }
1112
1113 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
1114                                         struct v4l2_fmtdesc *f)
1115 {
1116         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1117                 return -EINVAL;
1118
1119         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1120         f->pixelformat = formats[f->index].fourcc;
1121
1122         return 0;
1123 }
1124
1125 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1126 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1127 {
1128         struct cx8800_fh           *fh  = priv;
1129
1130         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1131 }
1132 #endif
1133
1134 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1135 {
1136         struct cx8800_fh  *fh   = priv;
1137         return (videobuf_reqbufs(get_queue(fh), p));
1138 }
1139
1140 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1141 {
1142         struct cx8800_fh  *fh   = priv;
1143         return (videobuf_querybuf(get_queue(fh), p));
1144 }
1145
1146 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1147 {
1148         struct cx8800_fh  *fh   = priv;
1149         return (videobuf_qbuf(get_queue(fh), p));
1150 }
1151
1152 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1153 {
1154         struct cx8800_fh  *fh   = priv;
1155         return (videobuf_dqbuf(get_queue(fh), p,
1156                                 file->f_flags & O_NONBLOCK));
1157 }
1158
1159 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1160 {
1161         struct cx8800_fh  *fh   = priv;
1162         struct cx8800_dev *dev  = fh->dev;
1163
1164         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1165                 return -EINVAL;
1166         if (unlikely(i != fh->type))
1167                 return -EINVAL;
1168
1169         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1170                 return -EBUSY;
1171         return videobuf_streamon(get_queue(fh));
1172 }
1173
1174 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1175 {
1176         struct cx8800_fh  *fh   = priv;
1177         struct cx8800_dev *dev  = fh->dev;
1178         int               err, res;
1179
1180         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1181                 return -EINVAL;
1182         if (i != fh->type)
1183                 return -EINVAL;
1184
1185         res = get_ressource(fh);
1186         err = videobuf_streamoff(get_queue(fh));
1187         if (err < 0)
1188                 return err;
1189         res_free(dev,fh,res);
1190         return 0;
1191 }
1192
1193 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1194 {
1195         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1196
1197         mutex_lock(&core->lock);
1198         cx88_set_tvnorm(core,*tvnorms);
1199         mutex_unlock(&core->lock);
1200
1201         return 0;
1202 }
1203
1204 /* only one input in this sample driver */
1205 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1206 {
1207         static const char *iname[] = {
1208                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1209                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1210                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1211                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1212                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1213                 [ CX88_VMUX_TELEVISION ] = "Television",
1214                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1215                 [ CX88_VMUX_DVB        ] = "DVB",
1216                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1217         };
1218         unsigned int n;
1219
1220         n = i->index;
1221         if (n >= 4)
1222                 return -EINVAL;
1223         if (0 == INPUT(n).type)
1224                 return -EINVAL;
1225         memset(i,0,sizeof(*i));
1226         i->index = n;
1227         i->type  = V4L2_INPUT_TYPE_CAMERA;
1228         strcpy(i->name,iname[INPUT(n).type]);
1229         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1230             (CX88_VMUX_CABLE      == INPUT(n).type))
1231                 i->type = V4L2_INPUT_TYPE_TUNER;
1232                 i->std = CX88_NORMS;
1233         return 0;
1234 }
1235 EXPORT_SYMBOL(cx88_enum_input);
1236
1237 static int vidioc_enum_input (struct file *file, void *priv,
1238                                 struct v4l2_input *i)
1239 {
1240         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1241         return cx88_enum_input (core,i);
1242 }
1243
1244 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1245 {
1246         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1247
1248         *i = core->input;
1249         return 0;
1250 }
1251
1252 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1253 {
1254         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1255
1256         if (i >= 4)
1257                 return -EINVAL;
1258
1259         mutex_lock(&core->lock);
1260         cx88_newstation(core);
1261         cx88_video_mux(core,i);
1262         mutex_unlock(&core->lock);
1263         return 0;
1264 }
1265
1266
1267
1268 static int vidioc_queryctrl (struct file *file, void *priv,
1269                                 struct v4l2_queryctrl *qctrl)
1270 {
1271         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1272         if (unlikely(qctrl->id == 0))
1273                 return -EINVAL;
1274         return cx8800_ctrl_query(qctrl);
1275 }
1276
1277 static int vidioc_g_ctrl (struct file *file, void *priv,
1278                                 struct v4l2_control *ctl)
1279 {
1280         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1281         return
1282                 cx88_get_control(core,ctl);
1283 }
1284
1285 static int vidioc_s_ctrl (struct file *file, void *priv,
1286                                 struct v4l2_control *ctl)
1287 {
1288         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1289         return
1290                 cx88_set_control(core,ctl);
1291 }
1292
1293 static int vidioc_g_tuner (struct file *file, void *priv,
1294                                 struct v4l2_tuner *t)
1295 {
1296         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1297         u32 reg;
1298
1299         if (unlikely(UNSET == core->board.tuner_type))
1300                 return -EINVAL;
1301         if (0 != t->index)
1302                 return -EINVAL;
1303
1304         strcpy(t->name, "Television");
1305         t->type       = V4L2_TUNER_ANALOG_TV;
1306         t->capability = V4L2_TUNER_CAP_NORM;
1307         t->rangehigh  = 0xffffffffUL;
1308
1309         cx88_get_stereo(core ,t);
1310         reg = cx_read(MO_DEVICE_STATUS);
1311         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1312         return 0;
1313 }
1314
1315 static int vidioc_s_tuner (struct file *file, void *priv,
1316                                 struct v4l2_tuner *t)
1317 {
1318         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1319
1320         if (UNSET == core->board.tuner_type)
1321                 return -EINVAL;
1322         if (0 != t->index)
1323                 return -EINVAL;
1324
1325         cx88_set_stereo(core, t->audmode, 1);
1326         return 0;
1327 }
1328
1329 static int vidioc_g_frequency (struct file *file, void *priv,
1330                                 struct v4l2_frequency *f)
1331 {
1332         struct cx8800_fh  *fh   = priv;
1333         struct cx88_core  *core = fh->dev->core;
1334
1335         if (unlikely(UNSET == core->board.tuner_type))
1336                 return -EINVAL;
1337
1338         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1339         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1340         f->frequency = core->freq;
1341
1342         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1343
1344         return 0;
1345 }
1346
1347 int cx88_set_freq (struct cx88_core  *core,
1348                                 struct v4l2_frequency *f)
1349 {
1350         if (unlikely(UNSET == core->board.tuner_type))
1351                 return -EINVAL;
1352         if (unlikely(f->tuner != 0))
1353                 return -EINVAL;
1354
1355         mutex_lock(&core->lock);
1356         core->freq = f->frequency;
1357         cx88_newstation(core);
1358         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1359
1360         /* When changing channels it is required to reset TVAUDIO */
1361         msleep (10);
1362         cx88_set_tvaudio(core);
1363
1364         mutex_unlock(&core->lock);
1365
1366         return 0;
1367 }
1368 EXPORT_SYMBOL(cx88_set_freq);
1369
1370 static int vidioc_s_frequency (struct file *file, void *priv,
1371                                 struct v4l2_frequency *f)
1372 {
1373         struct cx8800_fh  *fh   = priv;
1374         struct cx88_core  *core = fh->dev->core;
1375
1376         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1377                 return -EINVAL;
1378         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1379                 return -EINVAL;
1380
1381         return
1382                 cx88_set_freq (core,f);
1383 }
1384
1385 #ifdef CONFIG_VIDEO_ADV_DEBUG
1386 static int vidioc_g_register (struct file *file, void *fh,
1387                                 struct v4l2_register *reg)
1388 {
1389         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1390
1391         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1392                 return -EINVAL;
1393         /* cx2388x has a 24-bit register space */
1394         reg->val = cx_read(reg->reg&0xffffff);
1395         return 0;
1396 }
1397
1398 static int vidioc_s_register (struct file *file, void *fh,
1399                                 struct v4l2_register *reg)
1400 {
1401         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1402
1403         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1404                 return -EINVAL;
1405         cx_write(reg->reg&0xffffff, reg->val);
1406         return 0;
1407 }
1408 #endif
1409
1410 /* ----------------------------------------------------------- */
1411 /* RADIO ESPECIFIC IOCTLS                                      */
1412 /* ----------------------------------------------------------- */
1413
1414 static int radio_querycap (struct file *file, void  *priv,
1415                                         struct v4l2_capability *cap)
1416 {
1417         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1418         struct cx88_core  *core = dev->core;
1419
1420         strcpy(cap->driver, "cx8800");
1421         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1422         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1423         cap->version = CX88_VERSION_CODE;
1424         cap->capabilities = V4L2_CAP_TUNER;
1425         return 0;
1426 }
1427
1428 static int radio_g_tuner (struct file *file, void *priv,
1429                                 struct v4l2_tuner *t)
1430 {
1431         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1432
1433         if (unlikely(t->index > 0))
1434                 return -EINVAL;
1435
1436         strcpy(t->name, "Radio");
1437         t->type = V4L2_TUNER_RADIO;
1438
1439         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1440         return 0;
1441 }
1442
1443 static int radio_enum_input (struct file *file, void *priv,
1444                                 struct v4l2_input *i)
1445 {
1446         if (i->index != 0)
1447                 return -EINVAL;
1448         strcpy(i->name,"Radio");
1449         i->type = V4L2_INPUT_TYPE_TUNER;
1450
1451         return 0;
1452 }
1453
1454 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1455 {
1456         if (unlikely(a->index))
1457                 return -EINVAL;
1458
1459         memset(a,0,sizeof(*a));
1460         strcpy(a->name,"Radio");
1461         return 0;
1462 }
1463
1464 /* FIXME: Should add a standard for radio */
1465
1466 static int radio_s_tuner (struct file *file, void *priv,
1467                                 struct v4l2_tuner *t)
1468 {
1469         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1470
1471         if (0 != t->index)
1472                 return -EINVAL;
1473
1474         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1475
1476         return 0;
1477 }
1478
1479 static int radio_s_audio (struct file *file, void *fh,
1480                           struct v4l2_audio *a)
1481 {
1482         return 0;
1483 }
1484
1485 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1486 {
1487         return 0;
1488 }
1489
1490 static int radio_queryctrl (struct file *file, void *priv,
1491                             struct v4l2_queryctrl *c)
1492 {
1493         int i;
1494
1495         if (c->id <  V4L2_CID_BASE ||
1496                 c->id >= V4L2_CID_LASTP1)
1497                 return -EINVAL;
1498         if (c->id == V4L2_CID_AUDIO_MUTE) {
1499                 for (i = 0; i < CX8800_CTLS; i++)
1500                         if (cx8800_ctls[i].v.id == c->id)
1501                                 break;
1502                 *c = cx8800_ctls[i].v;
1503         } else
1504                 *c = no_ctl;
1505         return 0;
1506 }
1507
1508 /* ----------------------------------------------------------- */
1509
1510 static void cx8800_vid_timeout(unsigned long data)
1511 {
1512         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1513         struct cx88_core *core = dev->core;
1514         struct cx88_dmaqueue *q = &dev->vidq;
1515         struct cx88_buffer *buf;
1516         unsigned long flags;
1517
1518         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1519
1520         cx_clear(MO_VID_DMACNTRL, 0x11);
1521         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1522
1523         spin_lock_irqsave(&dev->slock,flags);
1524         while (!list_empty(&q->active)) {
1525                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1526                 list_del(&buf->vb.queue);
1527                 buf->vb.state = VIDEOBUF_ERROR;
1528                 wake_up(&buf->vb.done);
1529                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1530                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1531         }
1532         restart_video_queue(dev,q);
1533         spin_unlock_irqrestore(&dev->slock,flags);
1534 }
1535
1536 static char *cx88_vid_irqs[32] = {
1537         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1538         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1539         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1540         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1541         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1542 };
1543
1544 static void cx8800_vid_irq(struct cx8800_dev *dev)
1545 {
1546         struct cx88_core *core = dev->core;
1547         u32 status, mask, count;
1548
1549         status = cx_read(MO_VID_INTSTAT);
1550         mask   = cx_read(MO_VID_INTMSK);
1551         if (0 == (status & mask))
1552                 return;
1553         cx_write(MO_VID_INTSTAT, status);
1554         if (irq_debug  ||  (status & mask & ~0xff))
1555                 cx88_print_irqbits(core->name, "irq vid",
1556                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1557                                    status, mask);
1558
1559         /* risc op code error */
1560         if (status & (1 << 16)) {
1561                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1562                 cx_clear(MO_VID_DMACNTRL, 0x11);
1563                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1564                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1565         }
1566
1567         /* risc1 y */
1568         if (status & 0x01) {
1569                 spin_lock(&dev->slock);
1570                 count = cx_read(MO_VIDY_GPCNT);
1571                 cx88_wakeup(core, &dev->vidq, count);
1572                 spin_unlock(&dev->slock);
1573         }
1574
1575         /* risc1 vbi */
1576         if (status & 0x08) {
1577                 spin_lock(&dev->slock);
1578                 count = cx_read(MO_VBI_GPCNT);
1579                 cx88_wakeup(core, &dev->vbiq, count);
1580                 spin_unlock(&dev->slock);
1581         }
1582
1583         /* risc2 y */
1584         if (status & 0x10) {
1585                 dprintk(2,"stopper video\n");
1586                 spin_lock(&dev->slock);
1587                 restart_video_queue(dev,&dev->vidq);
1588                 spin_unlock(&dev->slock);
1589         }
1590
1591         /* risc2 vbi */
1592         if (status & 0x80) {
1593                 dprintk(2,"stopper vbi\n");
1594                 spin_lock(&dev->slock);
1595                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1596                 spin_unlock(&dev->slock);
1597         }
1598 }
1599
1600 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1601 {
1602         struct cx8800_dev *dev = dev_id;
1603         struct cx88_core *core = dev->core;
1604         u32 status;
1605         int loop, handled = 0;
1606
1607         for (loop = 0; loop < 10; loop++) {
1608                 status = cx_read(MO_PCI_INTSTAT) &
1609                         (core->pci_irqmask | PCI_INT_VIDINT);
1610                 if (0 == status)
1611                         goto out;
1612                 cx_write(MO_PCI_INTSTAT, status);
1613                 handled = 1;
1614
1615                 if (status & core->pci_irqmask)
1616                         cx88_core_irq(core,status);
1617                 if (status & PCI_INT_VIDINT)
1618                         cx8800_vid_irq(dev);
1619         };
1620         if (10 == loop) {
1621                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1622                        core->name);
1623                 cx_write(MO_PCI_INTMSK,0);
1624         }
1625
1626  out:
1627         return IRQ_RETVAL(handled);
1628 }
1629
1630 /* ----------------------------------------------------------- */
1631 /* exported stuff                                              */
1632
1633 static const struct file_operations video_fops =
1634 {
1635         .owner         = THIS_MODULE,
1636         .open          = video_open,
1637         .release       = video_release,
1638         .read          = video_read,
1639         .poll          = video_poll,
1640         .mmap          = video_mmap,
1641         .ioctl         = video_ioctl2,
1642         .compat_ioctl  = v4l_compat_ioctl32,
1643         .llseek        = no_llseek,
1644 };
1645
1646 static struct video_device cx8800_vbi_template;
1647 static struct video_device cx8800_video_template =
1648 {
1649         .name                 = "cx8800-video",
1650         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1651         .fops                 = &video_fops,
1652         .minor                = -1,
1653         .vidioc_querycap      = vidioc_querycap,
1654         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1655         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1656         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1657         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1658         .vidioc_g_fmt_vbi     = cx8800_vbi_fmt,
1659         .vidioc_try_fmt_vbi   = cx8800_vbi_fmt,
1660         .vidioc_s_fmt_vbi     = cx8800_vbi_fmt,
1661         .vidioc_reqbufs       = vidioc_reqbufs,
1662         .vidioc_querybuf      = vidioc_querybuf,
1663         .vidioc_qbuf          = vidioc_qbuf,
1664         .vidioc_dqbuf         = vidioc_dqbuf,
1665         .vidioc_s_std         = vidioc_s_std,
1666         .vidioc_enum_input    = vidioc_enum_input,
1667         .vidioc_g_input       = vidioc_g_input,
1668         .vidioc_s_input       = vidioc_s_input,
1669         .vidioc_queryctrl     = vidioc_queryctrl,
1670         .vidioc_g_ctrl        = vidioc_g_ctrl,
1671         .vidioc_s_ctrl        = vidioc_s_ctrl,
1672         .vidioc_streamon      = vidioc_streamon,
1673         .vidioc_streamoff     = vidioc_streamoff,
1674 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1675         .vidiocgmbuf          = vidiocgmbuf,
1676 #endif
1677         .vidioc_g_tuner       = vidioc_g_tuner,
1678         .vidioc_s_tuner       = vidioc_s_tuner,
1679         .vidioc_g_frequency   = vidioc_g_frequency,
1680         .vidioc_s_frequency   = vidioc_s_frequency,
1681 #ifdef CONFIG_VIDEO_ADV_DEBUG
1682         .vidioc_g_register    = vidioc_g_register,
1683         .vidioc_s_register    = vidioc_s_register,
1684 #endif
1685         .tvnorms              = CX88_NORMS,
1686         .current_norm         = V4L2_STD_NTSC_M,
1687 };
1688
1689 static const struct file_operations radio_fops =
1690 {
1691         .owner         = THIS_MODULE,
1692         .open          = video_open,
1693         .release       = video_release,
1694         .ioctl         = video_ioctl2,
1695         .compat_ioctl  = v4l_compat_ioctl32,
1696         .llseek        = no_llseek,
1697 };
1698
1699 static struct video_device cx8800_radio_template =
1700 {
1701         .name                 = "cx8800-radio",
1702         .type                 = VID_TYPE_TUNER,
1703         .fops                 = &radio_fops,
1704         .minor                = -1,
1705         .vidioc_querycap      = radio_querycap,
1706         .vidioc_g_tuner       = radio_g_tuner,
1707         .vidioc_enum_input    = radio_enum_input,
1708         .vidioc_g_audio       = radio_g_audio,
1709         .vidioc_s_tuner       = radio_s_tuner,
1710         .vidioc_s_audio       = radio_s_audio,
1711         .vidioc_s_input       = radio_s_input,
1712         .vidioc_queryctrl     = radio_queryctrl,
1713         .vidioc_g_ctrl        = vidioc_g_ctrl,
1714         .vidioc_s_ctrl        = vidioc_s_ctrl,
1715         .vidioc_g_frequency   = vidioc_g_frequency,
1716         .vidioc_s_frequency   = vidioc_s_frequency,
1717 #ifdef CONFIG_VIDEO_ADV_DEBUG
1718         .vidioc_g_register    = vidioc_g_register,
1719         .vidioc_s_register    = vidioc_s_register,
1720 #endif
1721 };
1722
1723 /* ----------------------------------------------------------- */
1724
1725 static void cx8800_unregister_video(struct cx8800_dev *dev)
1726 {
1727         if (dev->radio_dev) {
1728                 if (-1 != dev->radio_dev->minor)
1729                         video_unregister_device(dev->radio_dev);
1730                 else
1731                         video_device_release(dev->radio_dev);
1732                 dev->radio_dev = NULL;
1733         }
1734         if (dev->vbi_dev) {
1735                 if (-1 != dev->vbi_dev->minor)
1736                         video_unregister_device(dev->vbi_dev);
1737                 else
1738                         video_device_release(dev->vbi_dev);
1739                 dev->vbi_dev = NULL;
1740         }
1741         if (dev->video_dev) {
1742                 if (-1 != dev->video_dev->minor)
1743                         video_unregister_device(dev->video_dev);
1744                 else
1745                         video_device_release(dev->video_dev);
1746                 dev->video_dev = NULL;
1747         }
1748 }
1749
1750 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1751                                     const struct pci_device_id *pci_id)
1752 {
1753         struct cx8800_dev *dev;
1754         struct cx88_core *core;
1755
1756         int err;
1757
1758         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1759         if (NULL == dev)
1760                 return -ENOMEM;
1761
1762         /* pci init */
1763         dev->pci = pci_dev;
1764         if (pci_enable_device(pci_dev)) {
1765                 err = -EIO;
1766                 goto fail_free;
1767         }
1768         core = cx88_core_get(dev->pci);
1769         if (NULL == core) {
1770                 err = -EINVAL;
1771                 goto fail_free;
1772         }
1773         dev->core = core;
1774
1775         /* print pci info */
1776         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1777         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1778         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1779                "latency: %d, mmio: 0x%llx\n", core->name,
1780                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1781                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1782
1783         pci_set_master(pci_dev);
1784         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1785                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1786                 err = -EIO;
1787                 goto fail_core;
1788         }
1789
1790         /* Initialize VBI template */
1791         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1792                 sizeof(cx8800_vbi_template) );
1793         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1794         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1795
1796         /* initialize driver struct */
1797         spin_lock_init(&dev->slock);
1798         core->tvnorm = cx8800_video_template.current_norm;
1799
1800         /* init video dma queues */
1801         INIT_LIST_HEAD(&dev->vidq.active);
1802         INIT_LIST_HEAD(&dev->vidq.queued);
1803         dev->vidq.timeout.function = cx8800_vid_timeout;
1804         dev->vidq.timeout.data     = (unsigned long)dev;
1805         init_timer(&dev->vidq.timeout);
1806         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1807                           MO_VID_DMACNTRL,0x11,0x00);
1808
1809         /* init vbi dma queues */
1810         INIT_LIST_HEAD(&dev->vbiq.active);
1811         INIT_LIST_HEAD(&dev->vbiq.queued);
1812         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1813         dev->vbiq.timeout.data     = (unsigned long)dev;
1814         init_timer(&dev->vbiq.timeout);
1815         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1816                           MO_VID_DMACNTRL,0x88,0x00);
1817
1818         /* get irq */
1819         err = request_irq(pci_dev->irq, cx8800_irq,
1820                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1821         if (err < 0) {
1822                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1823                        core->name,pci_dev->irq);
1824                 goto fail_core;
1825         }
1826         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1827
1828         /* load and configure helper modules */
1829
1830         if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1831                 request_module("wm8775");
1832
1833         switch (core->boardnr) {
1834         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1835                 request_module("ir-kbd-i2c");
1836                 request_module("rtc-isl1208");
1837         }
1838
1839         /* register v4l devices */
1840         dev->video_dev = cx88_vdev_init(core,dev->pci,
1841                                         &cx8800_video_template,"video");
1842         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1843                                     video_nr[core->nr]);
1844         if (err < 0) {
1845                 printk(KERN_ERR "%s/0: can't register video device\n",
1846                        core->name);
1847                 goto fail_unreg;
1848         }
1849         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1850                core->name,dev->video_dev->minor & 0x1f);
1851
1852         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1853         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1854                                     vbi_nr[core->nr]);
1855         if (err < 0) {
1856                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1857                        core->name);
1858                 goto fail_unreg;
1859         }
1860         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1861                core->name,dev->vbi_dev->minor & 0x1f);
1862
1863         if (core->board.radio.type == CX88_RADIO) {
1864                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1865                                                 &cx8800_radio_template,"radio");
1866                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1867                                             radio_nr[core->nr]);
1868                 if (err < 0) {
1869                         printk(KERN_ERR "%s/0: can't register radio device\n",
1870                                core->name);
1871                         goto fail_unreg;
1872                 }
1873                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1874                        core->name,dev->radio_dev->minor & 0x1f);
1875         }
1876
1877         /* everything worked */
1878         list_add_tail(&dev->devlist,&cx8800_devlist);
1879         pci_set_drvdata(pci_dev,dev);
1880
1881         /* initial device configuration */
1882         mutex_lock(&core->lock);
1883         cx88_set_tvnorm(core,core->tvnorm);
1884         init_controls(core);
1885         cx88_video_mux(core,0);
1886         mutex_unlock(&core->lock);
1887
1888         /* start tvaudio thread */
1889         if (core->board.tuner_type != TUNER_ABSENT) {
1890                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1891                 if (IS_ERR(core->kthread)) {
1892                         err = PTR_ERR(core->kthread);
1893                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1894                                core->name, err);
1895                 }
1896         }
1897         return 0;
1898
1899 fail_unreg:
1900         cx8800_unregister_video(dev);
1901         free_irq(pci_dev->irq, dev);
1902 fail_core:
1903         cx88_core_put(core,dev->pci);
1904 fail_free:
1905         kfree(dev);
1906         return err;
1907 }
1908
1909 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1910 {
1911         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1912         struct cx88_core *core = dev->core;
1913
1914         /* stop thread */
1915         if (core->kthread) {
1916                 kthread_stop(core->kthread);
1917                 core->kthread = NULL;
1918         }
1919
1920         cx88_shutdown(core); /* FIXME */
1921         pci_disable_device(pci_dev);
1922
1923         /* unregister stuff */
1924
1925         free_irq(pci_dev->irq, dev);
1926         cx8800_unregister_video(dev);
1927         pci_set_drvdata(pci_dev, NULL);
1928
1929         /* free memory */
1930         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1931         list_del(&dev->devlist);
1932         cx88_core_put(core,dev->pci);
1933         kfree(dev);
1934 }
1935
1936 #ifdef CONFIG_PM
1937 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1938 {
1939         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1940         struct cx88_core *core = dev->core;
1941
1942         /* stop video+vbi capture */
1943         spin_lock(&dev->slock);
1944         if (!list_empty(&dev->vidq.active)) {
1945                 printk("%s/0: suspend video\n", core->name);
1946                 stop_video_dma(dev);
1947                 del_timer(&dev->vidq.timeout);
1948         }
1949         if (!list_empty(&dev->vbiq.active)) {
1950                 printk("%s/0: suspend vbi\n", core->name);
1951                 cx8800_stop_vbi_dma(dev);
1952                 del_timer(&dev->vbiq.timeout);
1953         }
1954         spin_unlock(&dev->slock);
1955
1956         if (core->ir)
1957                 cx88_ir_stop(core, core->ir);
1958         /* FIXME -- shutdown device */
1959         cx88_shutdown(core);
1960
1961         pci_save_state(pci_dev);
1962         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1963                 pci_disable_device(pci_dev);
1964                 dev->state.disabled = 1;
1965         }
1966         return 0;
1967 }
1968
1969 static int cx8800_resume(struct pci_dev *pci_dev)
1970 {
1971         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1972         struct cx88_core *core = dev->core;
1973         int err;
1974
1975         if (dev->state.disabled) {
1976                 err=pci_enable_device(pci_dev);
1977                 if (err) {
1978                         printk(KERN_ERR "%s/0: can't enable device\n",
1979                                core->name);
1980                         return err;
1981                 }
1982
1983                 dev->state.disabled = 0;
1984         }
1985         err= pci_set_power_state(pci_dev, PCI_D0);
1986         if (err) {
1987                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1988                 pci_disable_device(pci_dev);
1989                 dev->state.disabled = 1;
1990
1991                 return err;
1992         }
1993         pci_restore_state(pci_dev);
1994
1995         /* FIXME: re-initialize hardware */
1996         cx88_reset(core);
1997         if (core->ir)
1998                 cx88_ir_start(core, core->ir);
1999
2000         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2001
2002         /* restart video+vbi capture */
2003         spin_lock(&dev->slock);
2004         if (!list_empty(&dev->vidq.active)) {
2005                 printk("%s/0: resume video\n", core->name);
2006                 restart_video_queue(dev,&dev->vidq);
2007         }
2008         if (!list_empty(&dev->vbiq.active)) {
2009                 printk("%s/0: resume vbi\n", core->name);
2010                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2011         }
2012         spin_unlock(&dev->slock);
2013
2014         return 0;
2015 }
2016 #endif
2017
2018 /* ----------------------------------------------------------- */
2019
2020 static struct pci_device_id cx8800_pci_tbl[] = {
2021         {
2022                 .vendor       = 0x14f1,
2023                 .device       = 0x8800,
2024                 .subvendor    = PCI_ANY_ID,
2025                 .subdevice    = PCI_ANY_ID,
2026         },{
2027                 /* --- end of list --- */
2028         }
2029 };
2030 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2031
2032 static struct pci_driver cx8800_pci_driver = {
2033         .name     = "cx8800",
2034         .id_table = cx8800_pci_tbl,
2035         .probe    = cx8800_initdev,
2036         .remove   = __devexit_p(cx8800_finidev),
2037 #ifdef CONFIG_PM
2038         .suspend  = cx8800_suspend,
2039         .resume   = cx8800_resume,
2040 #endif
2041 };
2042
2043 static int cx8800_init(void)
2044 {
2045         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2046                (CX88_VERSION_CODE >> 16) & 0xff,
2047                (CX88_VERSION_CODE >>  8) & 0xff,
2048                CX88_VERSION_CODE & 0xff);
2049 #ifdef SNAPSHOT
2050         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2051                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2052 #endif
2053         return pci_register_driver(&cx8800_pci_driver);
2054 }
2055
2056 static void cx8800_fini(void)
2057 {
2058         pci_unregister_driver(&cx8800_pci_driver);
2059 }
2060
2061 module_init(cx8800_init);
2062 module_exit(cx8800_fini);
2063
2064 /* ----------------------------------------------------------- */
2065 /*
2066  * Local variables:
2067  * c-basic-offset: 8
2068  * End:
2069  * 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
2070  */