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 #include <media/v4l2-ioctl.h>
  43
  44 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  45 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  46 MODULE_LICENSE("GPL");
  47
  48 /* ------------------------------------------------------------------ */
  49
  50 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  51 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53
  54 module_param_array(video_nr, int, NULL, 0444);
  55 module_param_array(vbi_nr,   int, NULL, 0444);
  56 module_param_array(radio_nr, int, NULL, 0444);
  57
  58 MODULE_PARM_DESC(video_nr,"video device numbers");
  59 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  60 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  61
  62 static unsigned int video_debug;
  63 module_param(video_debug,int,0644);
  64 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  65
  66 static unsigned int irq_debug;
  67 module_param(irq_debug,int,0644);
  68 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  69
  70 static unsigned int vid_limit = 16;
  71 module_param(vid_limit,int,0644);
  72 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  73
  74 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  75         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  76
  77 /* ------------------------------------------------------------------ */
  78
  79 static LIST_HEAD(cx8800_devlist);
  80
  81 /* ------------------------------------------------------------------- */
  82 /* static data                                                         */
  83
  84 static struct cx8800_fmt formats[] = {
  85         {
  86                 .name     = "8 bpp, gray",
  87                 .fourcc   = V4L2_PIX_FMT_GREY,
  88                 .cxformat = ColorFormatY8,
  89                 .depth    = 8,
  90                 .flags    = FORMAT_FLAGS_PACKED,
  91         },{
  92                 .name     = "15 bpp RGB, le",
  93                 .fourcc   = V4L2_PIX_FMT_RGB555,
  94                 .cxformat = ColorFormatRGB15,
  95                 .depth    = 16,
  96                 .flags    = FORMAT_FLAGS_PACKED,
  97         },{
  98                 .name     = "15 bpp RGB, be",
  99                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 100                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 101                 .depth    = 16,
 102                 .flags    = FORMAT_FLAGS_PACKED,
 103         },{
 104                 .name     = "16 bpp RGB, le",
 105                 .fourcc   = V4L2_PIX_FMT_RGB565,
 106                 .cxformat = ColorFormatRGB16,
 107                 .depth    = 16,
 108                 .flags    = FORMAT_FLAGS_PACKED,
 109         },{
 110                 .name     = "16 bpp RGB, be",
 111                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 112                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 113                 .depth    = 16,
 114                 .flags    = FORMAT_FLAGS_PACKED,
 115         },{
 116                 .name     = "24 bpp RGB, le",
 117                 .fourcc   = V4L2_PIX_FMT_BGR24,
 118                 .cxformat = ColorFormatRGB24,
 119                 .depth    = 24,
 120                 .flags    = FORMAT_FLAGS_PACKED,
 121         },{
 122                 .name     = "32 bpp RGB, le",
 123                 .fourcc   = V4L2_PIX_FMT_BGR32,
 124                 .cxformat = ColorFormatRGB32,
 125                 .depth    = 32,
 126                 .flags    = FORMAT_FLAGS_PACKED,
 127         },{
 128                 .name     = "32 bpp RGB, be",
 129                 .fourcc   = V4L2_PIX_FMT_RGB32,
 130                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 131                 .depth    = 32,
 132                 .flags    = FORMAT_FLAGS_PACKED,
 133         },{
 134                 .name     = "4:2:2, packed, YUYV",
 135                 .fourcc   = V4L2_PIX_FMT_YUYV,
 136                 .cxformat = ColorFormatYUY2,
 137                 .depth    = 16,
 138                 .flags    = FORMAT_FLAGS_PACKED,
 139         },{
 140                 .name     = "4:2:2, packed, UYVY",
 141                 .fourcc   = V4L2_PIX_FMT_UYVY,
 142                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 143                 .depth    = 16,
 144                 .flags    = FORMAT_FLAGS_PACKED,
 145         },
 146 };
 147
 148 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 149 {
 150         unsigned int i;
 151
 152         for (i = 0; i < ARRAY_SIZE(formats); i++)
 153                 if (formats[i].fourcc == fourcc)
 154                         return formats+i;
 155         return NULL;
 156 }
 157
 158 /* ------------------------------------------------------------------- */
 159
 160 static const struct v4l2_queryctrl no_ctl = {
 161         .name  = "42",
 162         .flags = V4L2_CTRL_FLAG_DISABLED,
 163 };
 164
 165 static struct cx88_ctrl cx8800_ctls[] = {
 166         /* --- video --- */
 167         {
 168                 .v = {
 169                         .id            = V4L2_CID_BRIGHTNESS,
 170                         .name          = "Brightness",
 171                         .minimum       = 0x00,
 172                         .maximum       = 0xff,
 173                         .step          = 1,
 174                         .default_value = 0x7f,
 175                         .type          = V4L2_CTRL_TYPE_INTEGER,
 176                 },
 177                 .off                   = 128,
 178                 .reg                   = MO_CONTR_BRIGHT,
 179                 .mask                  = 0x00ff,
 180                 .shift                 = 0,
 181         },{
 182                 .v = {
 183                         .id            = V4L2_CID_CONTRAST,
 184                         .name          = "Contrast",
 185                         .minimum       = 0,
 186                         .maximum       = 0xff,
 187                         .step          = 1,
 188                         .default_value = 0x3f,
 189                         .type          = V4L2_CTRL_TYPE_INTEGER,
 190                 },
 191                 .off                   = 0,
 192                 .reg                   = MO_CONTR_BRIGHT,
 193                 .mask                  = 0xff00,
 194                 .shift                 = 8,
 195         },{
 196                 .v = {
 197                         .id            = V4L2_CID_HUE,
 198                         .name          = "Hue",
 199                         .minimum       = 0,
 200                         .maximum       = 0xff,
 201                         .step          = 1,
 202                         .default_value = 0x7f,
 203                         .type          = V4L2_CTRL_TYPE_INTEGER,
 204                 },
 205                 .off                   = 128,
 206                 .reg                   = MO_HUE,
 207                 .mask                  = 0x00ff,
 208                 .shift                 = 0,
 209         },{
 210                 /* strictly, this only describes only U saturation.
 211                  * V saturation is handled specially through code.
 212                  */
 213                 .v = {
 214                         .id            = V4L2_CID_SATURATION,
 215                         .name          = "Saturation",
 216                         .minimum       = 0,
 217                         .maximum       = 0xff,
 218                         .step          = 1,
 219                         .default_value = 0x7f,
 220                         .type          = V4L2_CTRL_TYPE_INTEGER,
 221                 },
 222                 .off                   = 0,
 223                 .reg                   = MO_UV_SATURATION,
 224                 .mask                  = 0x00ff,
 225                 .shift                 = 0,
 226         },{
 227                 .v = {
 228                         .id            = V4L2_CID_CHROMA_AGC,
 229                         .name          = "Chroma AGC",
 230                         .minimum       = 0,
 231                         .maximum       = 1,
 232                         .default_value = 0x1,
 233                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 234                 },
 235                 .reg                   = MO_INPUT_FORMAT,
 236                 .mask                  = 1 << 10,
 237                 .shift                 = 10,
 238         }, {
 239                 .v = {
 240                         .id            = V4L2_CID_COLOR_KILLER,
 241                         .name          = "Color killer",
 242                         .minimum       = 0,
 243                         .maximum       = 1,
 244                         .default_value = 0x1,
 245                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 246                 },
 247                 .reg                   = MO_INPUT_FORMAT,
 248                 .mask                  = 1 << 9,
 249                 .shift                 = 9,
 250         }, {
 251         /* --- audio --- */
 252                 .v = {
 253                         .id            = V4L2_CID_AUDIO_MUTE,
 254                         .name          = "Mute",
 255                         .minimum       = 0,
 256                         .maximum       = 1,
 257                         .default_value = 1,
 258                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 259                 },
 260                 .reg                   = AUD_VOL_CTL,
 261                 .sreg                  = SHADOW_AUD_VOL_CTL,
 262                 .mask                  = (1 << 6),
 263                 .shift                 = 6,
 264         },{
 265                 .v = {
 266                         .id            = V4L2_CID_AUDIO_VOLUME,
 267                         .name          = "Volume",
 268                         .minimum       = 0,
 269                         .maximum       = 0x3f,
 270                         .step          = 1,
 271                         .default_value = 0x3f,
 272                         .type          = V4L2_CTRL_TYPE_INTEGER,
 273                 },
 274                 .reg                   = AUD_VOL_CTL,
 275                 .sreg                  = SHADOW_AUD_VOL_CTL,
 276                 .mask                  = 0x3f,
 277                 .shift                 = 0,
 278         },{
 279                 .v = {
 280                         .id            = V4L2_CID_AUDIO_BALANCE,
 281                         .name          = "Balance",
 282                         .minimum       = 0,
 283                         .maximum       = 0x7f,
 284                         .step          = 1,
 285                         .default_value = 0x40,
 286                         .type          = V4L2_CTRL_TYPE_INTEGER,
 287                 },
 288                 .reg                   = AUD_BAL_CTL,
 289                 .sreg                  = SHADOW_AUD_BAL_CTL,
 290                 .mask                  = 0x7f,
 291                 .shift                 = 0,
 292         }
 293 };
 294 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 295
 296 /* Must be sorted from low to high control ID! */
 297 const u32 cx88_user_ctrls[] = {
 298         V4L2_CID_USER_CLASS,
 299         V4L2_CID_BRIGHTNESS,
 300         V4L2_CID_CONTRAST,
 301         V4L2_CID_SATURATION,
 302         V4L2_CID_HUE,
 303         V4L2_CID_AUDIO_VOLUME,
 304         V4L2_CID_AUDIO_BALANCE,
 305         V4L2_CID_AUDIO_MUTE,
 306         V4L2_CID_CHROMA_AGC,
 307         V4L2_CID_COLOR_KILLER,
 308         0
 309 };
 310 EXPORT_SYMBOL(cx88_user_ctrls);
 311
 312 static const u32 *ctrl_classes[] = {
 313         cx88_user_ctrls,
 314         NULL
 315 };
 316
 317 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 318 {
 319         int i;
 320
 321         if (qctrl->id < V4L2_CID_BASE ||
 322             qctrl->id >= V4L2_CID_LASTP1)
 323                 return -EINVAL;
 324         for (i = 0; i < CX8800_CTLS; i++)
 325                 if (cx8800_ctls[i].v.id == qctrl->id)
 326                         break;
 327         if (i == CX8800_CTLS) {
 328                 *qctrl = no_ctl;
 329                 return 0;
 330         }
 331         *qctrl = cx8800_ctls[i].v;
 332         /* Report chroma AGC as inactive when SECAM is selected */
 333         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 334             core->tvnorm & V4L2_STD_SECAM)
 335                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 336
 337         return 0;
 338 }
 339 EXPORT_SYMBOL(cx8800_ctrl_query);
 340
 341 /* ------------------------------------------------------------------- */
 342 /* resource management                                                 */
 343
 344 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 345 {
 346         struct cx88_core *core = dev->core;
 347         if (fh->resources & bit)
 348                 /* have it already allocated */
 349                 return 1;
 350
 351         /* is it free? */
 352         mutex_lock(&core->lock);
 353         if (dev->resources & bit) {
 354                 /* no, someone else uses it */
 355                 mutex_unlock(&core->lock);
 356                 return 0;
 357         }
 358         /* it's free, grab it */
 359         fh->resources  |= bit;
 360         dev->resources |= bit;
 361         dprintk(1,"res: get %d\n",bit);
 362         mutex_unlock(&core->lock);
 363         return 1;
 364 }
 365
 366 static
 367 int res_check(struct cx8800_fh *fh, unsigned int bit)
 368 {
 369         return (fh->resources & bit);
 370 }
 371
 372 static
 373 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 374 {
 375         return (dev->resources & bit);
 376 }
 377
 378 static
 379 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 380 {
 381         struct cx88_core *core = dev->core;
 382         BUG_ON((fh->resources & bits) != bits);
 383
 384         mutex_lock(&core->lock);
 385         fh->resources  &= ~bits;
 386         dev->resources &= ~bits;
 387         dprintk(1,"res: put %d\n",bits);
 388         mutex_unlock(&core->lock);
 389 }
 390
 391 /* ------------------------------------------------------------------ */
 392
 393 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 394 {
 395         /* struct cx88_core *core = dev->core; */
 396
 397         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 398                 input, INPUT(input).vmux,
 399                 INPUT(input).gpio0,INPUT(input).gpio1,
 400                 INPUT(input).gpio2,INPUT(input).gpio3);
 401         core->input = input;
 402         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 403         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 404         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 405         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 406         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 407
 408         switch (INPUT(input).type) {
 409         case CX88_VMUX_SVIDEO:
 410                 cx_set(MO_AFECFG_IO,    0x00000001);
 411                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 412                 cx_set(MO_FILTER_EVEN,  0x00002020);
 413                 cx_set(MO_FILTER_ODD,   0x00002020);
 414                 break;
 415         default:
 416                 cx_clear(MO_AFECFG_IO,    0x00000001);
 417                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 418                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 419                 cx_clear(MO_FILTER_ODD,   0x00002020);
 420                 break;
 421         }
 422
 423         /* if there are audioroutes defined, we have an external
 424            ADC to deal with audio */
 425         if (INPUT(input).audioroute) {
 426                 /* The wm8775 module has the "2" route hardwired into
 427                    the initialization. Some boards may use different
 428                    routes for different inputs. HVR-1300 surely does */
 429                 if (core->board.audio_chip &&
 430                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 431                         call_all(core, audio, s_routing,
 432                                         INPUT(input).audioroute, 0, 0);
 433                 }
 434                 /* cx2388's C-ADC is connected to the tuner only.
 435                    When used with S-Video, that ADC is busy dealing with
 436                    chroma, so an external must be used for baseband audio */
 437                 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
 438                         /* "I2S ADC mode" */
 439                         core->tvaudio = WW_I2SADC;
 440                         cx88_set_tvaudio(core);
 441                 } else {
 442                         /* Normal mode */
 443                         cx_write(AUD_I2SCNTL, 0x0);
 444                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 445                 }
 446         }
 447
 448         return 0;
 449 }
 450 EXPORT_SYMBOL(cx88_video_mux);
 451
 452 /* ------------------------------------------------------------------ */
 453
 454 static int start_video_dma(struct cx8800_dev    *dev,
 455                            struct cx88_dmaqueue *q,
 456                            struct cx88_buffer   *buf)
 457 {
 458         struct cx88_core *core = dev->core;
 459
 460         /* setup fifo + format */
 461         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 462                                 buf->bpl, buf->risc.dma);
 463         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 464         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 465
 466         /* reset counter */
 467         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 468         q->count = 1;
 469
 470         /* enable irqs */
 471         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 472
 473         /* Enables corresponding bits at PCI_INT_STAT:
 474                 bits 0 to 4: video, audio, transport stream, VIP, Host
 475                 bit 7: timer
 476                 bits 8 and 9: DMA complete for: SRC, DST
 477                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 478                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 479          */
 480         cx_set(MO_VID_INTMSK, 0x0f0011);
 481
 482         /* enable capture */
 483         cx_set(VID_CAPTURE_CONTROL,0x06);
 484
 485         /* start dma */
 486         cx_set(MO_DEV_CNTRL2, (1<<5));
 487         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 488
 489         return 0;
 490 }
 491
 492 #ifdef CONFIG_PM
 493 static int stop_video_dma(struct cx8800_dev    *dev)
 494 {
 495         struct cx88_core *core = dev->core;
 496
 497         /* stop dma */
 498         cx_clear(MO_VID_DMACNTRL, 0x11);
 499
 500         /* disable capture */
 501         cx_clear(VID_CAPTURE_CONTROL,0x06);
 502
 503         /* disable irqs */
 504         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 505         cx_clear(MO_VID_INTMSK, 0x0f0011);
 506         return 0;
 507 }
 508 #endif
 509
 510 static int restart_video_queue(struct cx8800_dev    *dev,
 511                                struct cx88_dmaqueue *q)
 512 {
 513         struct cx88_core *core = dev->core;
 514         struct cx88_buffer *buf, *prev;
 515
 516         if (!list_empty(&q->active)) {
 517                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 518                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 519                         buf, buf->vb.i);
 520                 start_video_dma(dev, q, buf);
 521                 list_for_each_entry(buf, &q->active, vb.queue)
 522                         buf->count = q->count++;
 523                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 524                 return 0;
 525         }
 526
 527         prev = NULL;
 528         for (;;) {
 529                 if (list_empty(&q->queued))
 530                         return 0;
 531                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 532                 if (NULL == prev) {
 533                         list_move_tail(&buf->vb.queue, &q->active);
 534                         start_video_dma(dev, q, buf);
 535                         buf->vb.state = VIDEOBUF_ACTIVE;
 536                         buf->count    = q->count++;
 537                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 538                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 539                                 buf,buf->vb.i);
 540
 541                 } else if (prev->vb.width  == buf->vb.width  &&
 542                            prev->vb.height == buf->vb.height &&
 543                            prev->fmt       == buf->fmt) {
 544                         list_move_tail(&buf->vb.queue, &q->active);
 545                         buf->vb.state = VIDEOBUF_ACTIVE;
 546                         buf->count    = q->count++;
 547                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 548                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 549                                 buf,buf->vb.i);
 550                 } else {
 551                         return 0;
 552                 }
 553                 prev = buf;
 554         }
 555 }
 556
 557 /* ------------------------------------------------------------------ */
 558
 559 static int
 560 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 561 {
 562         struct cx8800_fh *fh = q->priv_data;
 563
 564         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 565         if (0 == *count)
 566                 *count = 32;
 567         while (*size * *count > vid_limit * 1024 * 1024)
 568                 (*count)--;
 569         return 0;
 570 }
 571
 572 static int
 573 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 574                enum v4l2_field field)
 575 {
 576         struct cx8800_fh   *fh  = q->priv_data;
 577         struct cx8800_dev  *dev = fh->dev;
 578         struct cx88_core *core = dev->core;
 579         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 580         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 581         int rc, init_buffer = 0;
 582
 583         BUG_ON(NULL == fh->fmt);
 584         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 585             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 586                 return -EINVAL;
 587         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 588         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 589                 return -EINVAL;
 590
 591         if (buf->fmt       != fh->fmt    ||
 592             buf->vb.width  != fh->width  ||
 593             buf->vb.height != fh->height ||
 594             buf->vb.field  != field) {
 595                 buf->fmt       = fh->fmt;
 596                 buf->vb.width  = fh->width;
 597                 buf->vb.height = fh->height;
 598                 buf->vb.field  = field;
 599                 init_buffer = 1;
 600         }
 601
 602         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 603                 init_buffer = 1;
 604                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 605                         goto fail;
 606         }
 607
 608         if (init_buffer) {
 609                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 610                 switch (buf->vb.field) {
 611                 case V4L2_FIELD_TOP:
 612                         cx88_risc_buffer(dev->pci, &buf->risc,
 613                                          dma->sglist, 0, UNSET,
 614                                          buf->bpl, 0, buf->vb.height);
 615                         break;
 616                 case V4L2_FIELD_BOTTOM:
 617                         cx88_risc_buffer(dev->pci, &buf->risc,
 618                                          dma->sglist, UNSET, 0,
 619                                          buf->bpl, 0, buf->vb.height);
 620                         break;
 621                 case V4L2_FIELD_INTERLACED:
 622                         cx88_risc_buffer(dev->pci, &buf->risc,
 623                                          dma->sglist, 0, buf->bpl,
 624                                          buf->bpl, buf->bpl,
 625                                          buf->vb.height >> 1);
 626                         break;
 627                 case V4L2_FIELD_SEQ_TB:
 628                         cx88_risc_buffer(dev->pci, &buf->risc,
 629                                          dma->sglist,
 630                                          0, buf->bpl * (buf->vb.height >> 1),
 631                                          buf->bpl, 0,
 632                                          buf->vb.height >> 1);
 633                         break;
 634                 case V4L2_FIELD_SEQ_BT:
 635                         cx88_risc_buffer(dev->pci, &buf->risc,
 636                                          dma->sglist,
 637                                          buf->bpl * (buf->vb.height >> 1), 0,
 638                                          buf->bpl, 0,
 639                                          buf->vb.height >> 1);
 640                         break;
 641                 default:
 642                         BUG();
 643                 }
 644         }
 645         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 646                 buf, buf->vb.i,
 647                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 648                 (unsigned long)buf->risc.dma);
 649
 650         buf->vb.state = VIDEOBUF_PREPARED;
 651         return 0;
 652
 653  fail:
 654         cx88_free_buffer(q,buf);
 655         return rc;
 656 }
 657
 658 static void
 659 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 660 {
 661         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 662         struct cx88_buffer    *prev;
 663         struct cx8800_fh      *fh   = vq->priv_data;
 664         struct cx8800_dev     *dev  = fh->dev;
 665         struct cx88_core      *core = dev->core;
 666         struct cx88_dmaqueue  *q    = &dev->vidq;
 667
 668         /* add jump to stopper */
 669         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 670         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 671
 672         if (!list_empty(&q->queued)) {
 673                 list_add_tail(&buf->vb.queue,&q->queued);
 674                 buf->vb.state = VIDEOBUF_QUEUED;
 675                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 676                         buf, buf->vb.i);
 677
 678         } else if (list_empty(&q->active)) {
 679                 list_add_tail(&buf->vb.queue,&q->active);
 680                 start_video_dma(dev, q, buf);
 681                 buf->vb.state = VIDEOBUF_ACTIVE;
 682                 buf->count    = q->count++;
 683                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 684                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 685                         buf, buf->vb.i);
 686
 687         } else {
 688                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 689                 if (prev->vb.width  == buf->vb.width  &&
 690                     prev->vb.height == buf->vb.height &&
 691                     prev->fmt       == buf->fmt) {
 692                         list_add_tail(&buf->vb.queue,&q->active);
 693                         buf->vb.state = VIDEOBUF_ACTIVE;
 694                         buf->count    = q->count++;
 695                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 696                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 697                                 buf, buf->vb.i);
 698
 699                 } else {
 700                         list_add_tail(&buf->vb.queue,&q->queued);
 701                         buf->vb.state = VIDEOBUF_QUEUED;
 702                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 703                                 buf, buf->vb.i);
 704                 }
 705         }
 706 }
 707
 708 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 709 {
 710         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 711
 712         cx88_free_buffer(q,buf);
 713 }
 714
 715 static struct videobuf_queue_ops cx8800_video_qops = {
 716         .buf_setup    = buffer_setup,
 717         .buf_prepare  = buffer_prepare,
 718         .buf_queue    = buffer_queue,
 719         .buf_release  = buffer_release,
 720 };
 721
 722 /* ------------------------------------------------------------------ */
 723
 724
 725 /* ------------------------------------------------------------------ */
 726
 727 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 728 {
 729         switch (fh->type) {
 730         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 731                 return &fh->vidq;
 732         case V4L2_BUF_TYPE_VBI_CAPTURE:
 733                 return &fh->vbiq;
 734         default:
 735                 BUG();
 736                 return NULL;
 737         }
 738 }
 739
 740 static int get_ressource(struct cx8800_fh *fh)
 741 {
 742         switch (fh->type) {
 743         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 744                 return RESOURCE_VIDEO;
 745         case V4L2_BUF_TYPE_VBI_CAPTURE:
 746                 return RESOURCE_VBI;
 747         default:
 748                 BUG();
 749                 return 0;
 750         }
 751 }
 752
 753 static int video_open(struct file *file)
 754 {
 755         int minor = video_devdata(file)->minor;
 756         struct cx8800_dev *h,*dev = NULL;
 757         struct cx88_core *core;
 758         struct cx8800_fh *fh;
 759         enum v4l2_buf_type type = 0;
 760         int radio = 0;
 761
 762         lock_kernel();
 763         list_for_each_entry(h, &cx8800_devlist, devlist) {
 764                 if (h->video_dev->minor == minor) {
 765                         dev  = h;
 766                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 767                 }
 768                 if (h->vbi_dev->minor == minor) {
 769                         dev  = h;
 770                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 771                 }
 772                 if (h->radio_dev &&
 773                     h->radio_dev->minor == minor) {
 774                         radio = 1;
 775                         dev   = h;
 776                 }
 777         }
 778         if (NULL == dev) {
 779                 unlock_kernel();
 780                 return -ENODEV;
 781         }
 782
 783         core = dev->core;
 784
 785         dprintk(1,"open minor=%d radio=%d type=%s\n",
 786                 minor,radio,v4l2_type_names[type]);
 787
 788         /* allocate + initialize per filehandle data */
 789         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 790         if (NULL == fh) {
 791                 unlock_kernel();
 792                 return -ENOMEM;
 793         }
 794         file->private_data = fh;
 795         fh->dev      = dev;
 796         fh->radio    = radio;
 797         fh->type     = type;
 798         fh->width    = 320;
 799         fh->height   = 240;
 800         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 801
 802         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 803                             &dev->pci->dev, &dev->slock,
 804                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 805                             V4L2_FIELD_INTERLACED,
 806                             sizeof(struct cx88_buffer),
 807                             fh);
 808         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 809                             &dev->pci->dev, &dev->slock,
 810                             V4L2_BUF_TYPE_VBI_CAPTURE,
 811                             V4L2_FIELD_SEQ_TB,
 812                             sizeof(struct cx88_buffer),
 813                             fh);
 814
 815         if (fh->radio) {
 816                 dprintk(1,"video_open: setting radio device\n");
 817                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 818                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 819                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 820                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 821                 if (core->board.radio.audioroute) {
 822                         if(core->board.audio_chip &&
 823                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 824                                 call_all(core, audio, s_routing,
 825                                         core->board.radio.audioroute, 0, 0);
 826                         }
 827                         /* "I2S ADC mode" */
 828                         core->tvaudio = WW_I2SADC;
 829                         cx88_set_tvaudio(core);
 830                 } else {
 831                         /* FM Mode */
 832                         core->tvaudio = WW_FM;
 833                         cx88_set_tvaudio(core);
 834                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 835                 }
 836                 call_all(core, tuner, s_radio);
 837         }
 838         unlock_kernel();
 839
 840         atomic_inc(&core->users);
 841
 842         return 0;
 843 }
 844
 845 static ssize_t
 846 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 847 {
 848         struct cx8800_fh *fh = file->private_data;
 849
 850         switch (fh->type) {
 851         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 852                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 853                         return -EBUSY;
 854                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 855                                          file->f_flags & O_NONBLOCK);
 856         case V4L2_BUF_TYPE_VBI_CAPTURE:
 857                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 858                         return -EBUSY;
 859                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 860                                             file->f_flags & O_NONBLOCK);
 861         default:
 862                 BUG();
 863                 return 0;
 864         }
 865 }
 866
 867 static unsigned int
 868 video_poll(struct file *file, struct poll_table_struct *wait)
 869 {
 870         struct cx8800_fh *fh = file->private_data;
 871         struct cx88_buffer *buf;
 872
 873         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 874                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 875                         return POLLERR;
 876                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 877         }
 878
 879         if (res_check(fh,RESOURCE_VIDEO)) {
 880                 /* streaming capture */
 881                 if (list_empty(&fh->vidq.stream))
 882                         return POLLERR;
 883                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 884         } else {
 885                 /* read() capture */
 886                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 887                 if (NULL == buf)
 888                         return POLLERR;
 889         }
 890         poll_wait(file, &buf->vb.done, wait);
 891         if (buf->vb.state == VIDEOBUF_DONE ||
 892             buf->vb.state == VIDEOBUF_ERROR)
 893                 return POLLIN|POLLRDNORM;
 894         return 0;
 895 }
 896
 897 static int video_release(struct file *file)
 898 {
 899         struct cx8800_fh  *fh  = file->private_data;
 900         struct cx8800_dev *dev = fh->dev;
 901
 902         /* turn off overlay */
 903         if (res_check(fh, RESOURCE_OVERLAY)) {
 904                 /* FIXME */
 905                 res_free(dev,fh,RESOURCE_OVERLAY);
 906         }
 907
 908         /* stop video capture */
 909         if (res_check(fh, RESOURCE_VIDEO)) {
 910                 videobuf_queue_cancel(&fh->vidq);
 911                 res_free(dev,fh,RESOURCE_VIDEO);
 912         }
 913         if (fh->vidq.read_buf) {
 914                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 915                 kfree(fh->vidq.read_buf);
 916         }
 917
 918         /* stop vbi capture */
 919         if (res_check(fh, RESOURCE_VBI)) {
 920                 videobuf_stop(&fh->vbiq);
 921                 res_free(dev,fh,RESOURCE_VBI);
 922         }
 923
 924         videobuf_mmap_free(&fh->vidq);
 925         videobuf_mmap_free(&fh->vbiq);
 926         file->private_data = NULL;
 927         kfree(fh);
 928
 929         if(atomic_dec_and_test(&dev->core->users))
 930                 call_all(dev->core, tuner, s_standby);
 931
 932         return 0;
 933 }
 934
 935 static int
 936 video_mmap(struct file *file, struct vm_area_struct * vma)
 937 {
 938         struct cx8800_fh *fh = file->private_data;
 939
 940         return videobuf_mmap_mapper(get_queue(fh), vma);
 941 }
 942
 943 /* ------------------------------------------------------------------ */
 944 /* VIDEO CTRL IOCTLS                                                  */
 945
 946 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 947 {
 948         struct cx88_ctrl  *c    = NULL;
 949         u32 value;
 950         int i;
 951
 952         for (i = 0; i < CX8800_CTLS; i++)
 953                 if (cx8800_ctls[i].v.id == ctl->id)
 954                         c = &cx8800_ctls[i];
 955         if (unlikely(NULL == c))
 956                 return -EINVAL;
 957
 958         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 959         switch (ctl->id) {
 960         case V4L2_CID_AUDIO_BALANCE:
 961                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 962                                         : (0x7f - (value & 0x7f));
 963                 break;
 964         case V4L2_CID_AUDIO_VOLUME:
 965                 ctl->value = 0x3f - (value & 0x3f);
 966                 break;
 967         default:
 968                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 969                 break;
 970         }
 971         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 972                                 ctl->id, c->v.name, ctl->value, c->reg,
 973                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 974         return 0;
 975 }
 976 EXPORT_SYMBOL(cx88_get_control);
 977
 978 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 979 {
 980         struct cx88_ctrl *c = NULL;
 981         u32 value,mask;
 982         int i;
 983
 984         for (i = 0; i < CX8800_CTLS; i++) {
 985                 if (cx8800_ctls[i].v.id == ctl->id) {
 986                         c = &cx8800_ctls[i];
 987                 }
 988         }
 989         if (unlikely(NULL == c))
 990                 return -EINVAL;
 991
 992         if (ctl->value < c->v.minimum)
 993                 ctl->value = c->v.minimum;
 994         if (ctl->value > c->v.maximum)
 995                 ctl->value = c->v.maximum;
 996         mask=c->mask;
 997         switch (ctl->id) {
 998         case V4L2_CID_AUDIO_BALANCE:
 999                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1000                 break;
1001         case V4L2_CID_AUDIO_VOLUME:
1002                 value = 0x3f - (ctl->value & 0x3f);
1003                 break;
1004         case V4L2_CID_SATURATION:
1005                 /* special v_sat handling */
1006
1007                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1008
1009                 if (core->tvnorm & V4L2_STD_SECAM) {
1010                         /* For SECAM, both U and V sat should be equal */
1011                         value=value<<8|value;
1012                 } else {
1013                         /* Keeps U Saturation proportional to V Sat */
1014                         value=(value*0x5a)/0x7f<<8|value;
1015                 }
1016                 mask=0xffff;
1017                 break;
1018         case V4L2_CID_CHROMA_AGC:
1019                 /* Do not allow chroma AGC to be enabled for SECAM */
1020                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1021                 if (core->tvnorm & V4L2_STD_SECAM && value)
1022                         return -EINVAL;
1023                 break;
1024         default:
1025                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1026                 break;
1027         }
1028         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1029                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1030                                 mask, c->sreg ? " [shadowed]" : "");
1031         if (c->sreg) {
1032                 cx_sandor(c->sreg, c->reg, mask, value);
1033         } else {
1034                 cx_andor(c->reg, mask, value);
1035         }
1036         return 0;
1037 }
1038 EXPORT_SYMBOL(cx88_set_control);
1039
1040 static void init_controls(struct cx88_core *core)
1041 {
1042         struct v4l2_control ctrl;
1043         int i;
1044
1045         for (i = 0; i < CX8800_CTLS; i++) {
1046                 ctrl.id=cx8800_ctls[i].v.id;
1047                 ctrl.value=cx8800_ctls[i].v.default_value;
1048
1049                 cx88_set_control(core, &ctrl);
1050         }
1051 }
1052
1053 /* ------------------------------------------------------------------ */
1054 /* VIDEO IOCTLS                                                       */
1055
1056 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1057                                         struct v4l2_format *f)
1058 {
1059         struct cx8800_fh  *fh   = priv;
1060
1061         f->fmt.pix.width        = fh->width;
1062         f->fmt.pix.height       = fh->height;
1063         f->fmt.pix.field        = fh->vidq.field;
1064         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1065         f->fmt.pix.bytesperline =
1066                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1067         f->fmt.pix.sizeimage =
1068                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1069         return 0;
1070 }
1071
1072 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1073                         struct v4l2_format *f)
1074 {
1075         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1076         struct cx8800_fmt *fmt;
1077         enum v4l2_field   field;
1078         unsigned int      maxw, maxh;
1079
1080         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1081         if (NULL == fmt)
1082                 return -EINVAL;
1083
1084         field = f->fmt.pix.field;
1085         maxw  = norm_maxw(core->tvnorm);
1086         maxh  = norm_maxh(core->tvnorm);
1087
1088         if (V4L2_FIELD_ANY == field) {
1089                 field = (f->fmt.pix.height > maxh/2)
1090                         ? V4L2_FIELD_INTERLACED
1091                         : V4L2_FIELD_BOTTOM;
1092         }
1093
1094         switch (field) {
1095         case V4L2_FIELD_TOP:
1096         case V4L2_FIELD_BOTTOM:
1097                 maxh = maxh / 2;
1098                 break;
1099         case V4L2_FIELD_INTERLACED:
1100                 break;
1101         default:
1102                 return -EINVAL;
1103         }
1104
1105         f->fmt.pix.field = field;
1106         if (f->fmt.pix.height < 32)
1107                 f->fmt.pix.height = 32;
1108         if (f->fmt.pix.height > maxh)
1109                 f->fmt.pix.height = maxh;
1110         if (f->fmt.pix.width < 48)
1111                 f->fmt.pix.width = 48;
1112         if (f->fmt.pix.width > maxw)
1113                 f->fmt.pix.width = maxw;
1114         f->fmt.pix.width &= ~0x03;
1115         f->fmt.pix.bytesperline =
1116                 (f->fmt.pix.width * fmt->depth) >> 3;
1117         f->fmt.pix.sizeimage =
1118                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1119
1120         return 0;
1121 }
1122
1123 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1124                                         struct v4l2_format *f)
1125 {
1126         struct cx8800_fh  *fh   = priv;
1127         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1128
1129         if (0 != err)
1130                 return err;
1131         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1132         fh->width      = f->fmt.pix.width;
1133         fh->height     = f->fmt.pix.height;
1134         fh->vidq.field = f->fmt.pix.field;
1135         return 0;
1136 }
1137
1138 static int vidioc_querycap (struct file *file, void  *priv,
1139                                         struct v4l2_capability *cap)
1140 {
1141         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1142         struct cx88_core  *core = dev->core;
1143
1144         strcpy(cap->driver, "cx8800");
1145         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1146         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1147         cap->version = CX88_VERSION_CODE;
1148         cap->capabilities =
1149                 V4L2_CAP_VIDEO_CAPTURE |
1150                 V4L2_CAP_READWRITE     |
1151                 V4L2_CAP_STREAMING     |
1152                 V4L2_CAP_VBI_CAPTURE;
1153         if (UNSET != core->board.tuner_type)
1154                 cap->capabilities |= V4L2_CAP_TUNER;
1155         return 0;
1156 }
1157
1158 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1159                                         struct v4l2_fmtdesc *f)
1160 {
1161         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1162                 return -EINVAL;
1163
1164         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1165         f->pixelformat = formats[f->index].fourcc;
1166
1167         return 0;
1168 }
1169
1170 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1171 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1172 {
1173         struct cx8800_fh           *fh  = priv;
1174
1175         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1176 }
1177 #endif
1178
1179 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1180 {
1181         struct cx8800_fh  *fh   = priv;
1182         return (videobuf_reqbufs(get_queue(fh), p));
1183 }
1184
1185 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1186 {
1187         struct cx8800_fh  *fh   = priv;
1188         return (videobuf_querybuf(get_queue(fh), p));
1189 }
1190
1191 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1192 {
1193         struct cx8800_fh  *fh   = priv;
1194         return (videobuf_qbuf(get_queue(fh), p));
1195 }
1196
1197 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1198 {
1199         struct cx8800_fh  *fh   = priv;
1200         return (videobuf_dqbuf(get_queue(fh), p,
1201                                 file->f_flags & O_NONBLOCK));
1202 }
1203
1204 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1205 {
1206         struct cx8800_fh  *fh   = priv;
1207         struct cx8800_dev *dev  = fh->dev;
1208
1209         /* We should remember that this driver also supports teletext,  */
1210         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1211         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1212                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1213                 return -EINVAL;
1214
1215         if (unlikely(i != fh->type))
1216                 return -EINVAL;
1217
1218         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1219                 return -EBUSY;
1220         return videobuf_streamon(get_queue(fh));
1221 }
1222
1223 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1224 {
1225         struct cx8800_fh  *fh   = priv;
1226         struct cx8800_dev *dev  = fh->dev;
1227         int               err, res;
1228
1229         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1230             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1231                 return -EINVAL;
1232
1233         if (i != fh->type)
1234                 return -EINVAL;
1235
1236         res = get_ressource(fh);
1237         err = videobuf_streamoff(get_queue(fh));
1238         if (err < 0)
1239                 return err;
1240         res_free(dev,fh,res);
1241         return 0;
1242 }
1243
1244 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1245 {
1246         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1247
1248         mutex_lock(&core->lock);
1249         cx88_set_tvnorm(core,*tvnorms);
1250         mutex_unlock(&core->lock);
1251
1252         return 0;
1253 }
1254
1255 /* only one input in this sample driver */
1256 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1257 {
1258         static const char *iname[] = {
1259                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1260                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1261                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1262                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1263                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1264                 [ CX88_VMUX_TELEVISION ] = "Television",
1265                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1266                 [ CX88_VMUX_DVB        ] = "DVB",
1267                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1268         };
1269         unsigned int n = i->index;
1270
1271         if (n >= 4)
1272                 return -EINVAL;
1273         if (0 == INPUT(n).type)
1274                 return -EINVAL;
1275         i->type  = V4L2_INPUT_TYPE_CAMERA;
1276         strcpy(i->name,iname[INPUT(n).type]);
1277         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1278             (CX88_VMUX_CABLE      == INPUT(n).type))
1279                 i->type = V4L2_INPUT_TYPE_TUNER;
1280                 i->std = CX88_NORMS;
1281         return 0;
1282 }
1283 EXPORT_SYMBOL(cx88_enum_input);
1284
1285 static int vidioc_enum_input (struct file *file, void *priv,
1286                                 struct v4l2_input *i)
1287 {
1288         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1289         return cx88_enum_input (core,i);
1290 }
1291
1292 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1293 {
1294         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1295
1296         *i = core->input;
1297         return 0;
1298 }
1299
1300 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1301 {
1302         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1303
1304         if (i >= 4)
1305                 return -EINVAL;
1306
1307         mutex_lock(&core->lock);
1308         cx88_newstation(core);
1309         cx88_video_mux(core,i);
1310         mutex_unlock(&core->lock);
1311         return 0;
1312 }
1313
1314
1315
1316 static int vidioc_queryctrl (struct file *file, void *priv,
1317                                 struct v4l2_queryctrl *qctrl)
1318 {
1319         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1320
1321         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1322         if (unlikely(qctrl->id == 0))
1323                 return -EINVAL;
1324         return cx8800_ctrl_query(core, qctrl);
1325 }
1326
1327 static int vidioc_g_ctrl (struct file *file, void *priv,
1328                                 struct v4l2_control *ctl)
1329 {
1330         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1331         return
1332                 cx88_get_control(core,ctl);
1333 }
1334
1335 static int vidioc_s_ctrl (struct file *file, void *priv,
1336                                 struct v4l2_control *ctl)
1337 {
1338         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1339         return
1340                 cx88_set_control(core,ctl);
1341 }
1342
1343 static int vidioc_g_tuner (struct file *file, void *priv,
1344                                 struct v4l2_tuner *t)
1345 {
1346         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1347         u32 reg;
1348
1349         if (unlikely(UNSET == core->board.tuner_type))
1350                 return -EINVAL;
1351         if (0 != t->index)
1352                 return -EINVAL;
1353
1354         strcpy(t->name, "Television");
1355         t->type       = V4L2_TUNER_ANALOG_TV;
1356         t->capability = V4L2_TUNER_CAP_NORM;
1357         t->rangehigh  = 0xffffffffUL;
1358
1359         cx88_get_stereo(core ,t);
1360         reg = cx_read(MO_DEVICE_STATUS);
1361         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1362         return 0;
1363 }
1364
1365 static int vidioc_s_tuner (struct file *file, void *priv,
1366                                 struct v4l2_tuner *t)
1367 {
1368         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1369
1370         if (UNSET == core->board.tuner_type)
1371                 return -EINVAL;
1372         if (0 != t->index)
1373                 return -EINVAL;
1374
1375         cx88_set_stereo(core, t->audmode, 1);
1376         return 0;
1377 }
1378
1379 static int vidioc_g_frequency (struct file *file, void *priv,
1380                                 struct v4l2_frequency *f)
1381 {
1382         struct cx8800_fh  *fh   = priv;
1383         struct cx88_core  *core = fh->dev->core;
1384
1385         if (unlikely(UNSET == core->board.tuner_type))
1386                 return -EINVAL;
1387
1388         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1389         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1390         f->frequency = core->freq;
1391
1392         call_all(core, tuner, g_frequency, f);
1393
1394         return 0;
1395 }
1396
1397 int cx88_set_freq (struct cx88_core  *core,
1398                                 struct v4l2_frequency *f)
1399 {
1400         if (unlikely(UNSET == core->board.tuner_type))
1401                 return -EINVAL;
1402         if (unlikely(f->tuner != 0))
1403                 return -EINVAL;
1404
1405         mutex_lock(&core->lock);
1406         core->freq = f->frequency;
1407         cx88_newstation(core);
1408         call_all(core, tuner, s_frequency, f);
1409
1410         /* When changing channels it is required to reset TVAUDIO */
1411         msleep (10);
1412         cx88_set_tvaudio(core);
1413
1414         mutex_unlock(&core->lock);
1415
1416         return 0;
1417 }
1418 EXPORT_SYMBOL(cx88_set_freq);
1419
1420 static int vidioc_s_frequency (struct file *file, void *priv,
1421                                 struct v4l2_frequency *f)
1422 {
1423         struct cx8800_fh  *fh   = priv;
1424         struct cx88_core  *core = fh->dev->core;
1425
1426         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1427                 return -EINVAL;
1428         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1429                 return -EINVAL;
1430
1431         return
1432                 cx88_set_freq (core,f);
1433 }
1434
1435 #ifdef CONFIG_VIDEO_ADV_DEBUG
1436 static int vidioc_g_register (struct file *file, void *fh,
1437                                 struct v4l2_dbg_register *reg)
1438 {
1439         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1440
1441         if (!v4l2_chip_match_host(&reg->match))
1442                 return -EINVAL;
1443         /* cx2388x has a 24-bit register space */
1444         reg->val = cx_read(reg->reg & 0xffffff);
1445         reg->size = 4;
1446         return 0;
1447 }
1448
1449 static int vidioc_s_register (struct file *file, void *fh,
1450                                 struct v4l2_dbg_register *reg)
1451 {
1452         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1453
1454         if (!v4l2_chip_match_host(&reg->match))
1455                 return -EINVAL;
1456         cx_write(reg->reg & 0xffffff, reg->val);
1457         return 0;
1458 }
1459 #endif
1460
1461 /* ----------------------------------------------------------- */
1462 /* RADIO ESPECIFIC IOCTLS                                      */
1463 /* ----------------------------------------------------------- */
1464
1465 static int radio_querycap (struct file *file, void  *priv,
1466                                         struct v4l2_capability *cap)
1467 {
1468         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1469         struct cx88_core  *core = dev->core;
1470
1471         strcpy(cap->driver, "cx8800");
1472         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1473         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1474         cap->version = CX88_VERSION_CODE;
1475         cap->capabilities = V4L2_CAP_TUNER;
1476         return 0;
1477 }
1478
1479 static int radio_g_tuner (struct file *file, void *priv,
1480                                 struct v4l2_tuner *t)
1481 {
1482         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1483
1484         if (unlikely(t->index > 0))
1485                 return -EINVAL;
1486
1487         strcpy(t->name, "Radio");
1488         t->type = V4L2_TUNER_RADIO;
1489
1490         call_all(core, tuner, g_tuner, t);
1491         return 0;
1492 }
1493
1494 static int radio_enum_input (struct file *file, void *priv,
1495                                 struct v4l2_input *i)
1496 {
1497         if (i->index != 0)
1498                 return -EINVAL;
1499         strcpy(i->name,"Radio");
1500         i->type = V4L2_INPUT_TYPE_TUNER;
1501
1502         return 0;
1503 }
1504
1505 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1506 {
1507         if (unlikely(a->index))
1508                 return -EINVAL;
1509
1510         strcpy(a->name,"Radio");
1511         return 0;
1512 }
1513
1514 /* FIXME: Should add a standard for radio */
1515
1516 static int radio_s_tuner (struct file *file, void *priv,
1517                                 struct v4l2_tuner *t)
1518 {
1519         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1520
1521         if (0 != t->index)
1522                 return -EINVAL;
1523
1524         call_all(core, tuner, s_tuner, t);
1525
1526         return 0;
1527 }
1528
1529 static int radio_s_audio (struct file *file, void *fh,
1530                           struct v4l2_audio *a)
1531 {
1532         return 0;
1533 }
1534
1535 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1536 {
1537         return 0;
1538 }
1539
1540 static int radio_queryctrl (struct file *file, void *priv,
1541                             struct v4l2_queryctrl *c)
1542 {
1543         int i;
1544
1545         if (c->id <  V4L2_CID_BASE ||
1546                 c->id >= V4L2_CID_LASTP1)
1547                 return -EINVAL;
1548         if (c->id == V4L2_CID_AUDIO_MUTE) {
1549                 for (i = 0; i < CX8800_CTLS; i++)
1550                         if (cx8800_ctls[i].v.id == c->id)
1551                                 break;
1552                 *c = cx8800_ctls[i].v;
1553         } else
1554                 *c = no_ctl;
1555         return 0;
1556 }
1557
1558 /* ----------------------------------------------------------- */
1559
1560 static void cx8800_vid_timeout(unsigned long data)
1561 {
1562         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1563         struct cx88_core *core = dev->core;
1564         struct cx88_dmaqueue *q = &dev->vidq;
1565         struct cx88_buffer *buf;
1566         unsigned long flags;
1567
1568         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1569
1570         cx_clear(MO_VID_DMACNTRL, 0x11);
1571         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1572
1573         spin_lock_irqsave(&dev->slock,flags);
1574         while (!list_empty(&q->active)) {
1575                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1576                 list_del(&buf->vb.queue);
1577                 buf->vb.state = VIDEOBUF_ERROR;
1578                 wake_up(&buf->vb.done);
1579                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1580                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1581         }
1582         restart_video_queue(dev,q);
1583         spin_unlock_irqrestore(&dev->slock,flags);
1584 }
1585
1586 static char *cx88_vid_irqs[32] = {
1587         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1588         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1589         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1590         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1591         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1592 };
1593
1594 static void cx8800_vid_irq(struct cx8800_dev *dev)
1595 {
1596         struct cx88_core *core = dev->core;
1597         u32 status, mask, count;
1598
1599         status = cx_read(MO_VID_INTSTAT);
1600         mask   = cx_read(MO_VID_INTMSK);
1601         if (0 == (status & mask))
1602                 return;
1603         cx_write(MO_VID_INTSTAT, status);
1604         if (irq_debug  ||  (status & mask & ~0xff))
1605                 cx88_print_irqbits(core->name, "irq vid",
1606                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1607                                    status, mask);
1608
1609         /* risc op code error */
1610         if (status & (1 << 16)) {
1611                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1612                 cx_clear(MO_VID_DMACNTRL, 0x11);
1613                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1614                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1615         }
1616
1617         /* risc1 y */
1618         if (status & 0x01) {
1619                 spin_lock(&dev->slock);
1620                 count = cx_read(MO_VIDY_GPCNT);
1621                 cx88_wakeup(core, &dev->vidq, count);
1622                 spin_unlock(&dev->slock);
1623         }
1624
1625         /* risc1 vbi */
1626         if (status & 0x08) {
1627                 spin_lock(&dev->slock);
1628                 count = cx_read(MO_VBI_GPCNT);
1629                 cx88_wakeup(core, &dev->vbiq, count);
1630                 spin_unlock(&dev->slock);
1631         }
1632
1633         /* risc2 y */
1634         if (status & 0x10) {
1635                 dprintk(2,"stopper video\n");
1636                 spin_lock(&dev->slock);
1637                 restart_video_queue(dev,&dev->vidq);
1638                 spin_unlock(&dev->slock);
1639         }
1640
1641         /* risc2 vbi */
1642         if (status & 0x80) {
1643                 dprintk(2,"stopper vbi\n");
1644                 spin_lock(&dev->slock);
1645                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1646                 spin_unlock(&dev->slock);
1647         }
1648 }
1649
1650 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1651 {
1652         struct cx8800_dev *dev = dev_id;
1653         struct cx88_core *core = dev->core;
1654         u32 status;
1655         int loop, handled = 0;
1656
1657         for (loop = 0; loop < 10; loop++) {
1658                 status = cx_read(MO_PCI_INTSTAT) &
1659                         (core->pci_irqmask | PCI_INT_VIDINT);
1660                 if (0 == status)
1661                         goto out;
1662                 cx_write(MO_PCI_INTSTAT, status);
1663                 handled = 1;
1664
1665                 if (status & core->pci_irqmask)
1666                         cx88_core_irq(core,status);
1667                 if (status & PCI_INT_VIDINT)
1668                         cx8800_vid_irq(dev);
1669         };
1670         if (10 == loop) {
1671                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1672                        core->name);
1673                 cx_write(MO_PCI_INTMSK,0);
1674         }
1675
1676  out:
1677         return IRQ_RETVAL(handled);
1678 }
1679
1680 /* ----------------------------------------------------------- */
1681 /* exported stuff                                              */
1682
1683 static const struct v4l2_file_operations video_fops =
1684 {
1685         .owner         = THIS_MODULE,
1686         .open          = video_open,
1687         .release       = video_release,
1688         .read          = video_read,
1689         .poll          = video_poll,
1690         .mmap          = video_mmap,
1691         .ioctl         = video_ioctl2,
1692 };
1693
1694 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1695         .vidioc_querycap      = vidioc_querycap,
1696         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1697         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1698         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1699         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1700         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1701         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1702         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1703         .vidioc_reqbufs       = vidioc_reqbufs,
1704         .vidioc_querybuf      = vidioc_querybuf,
1705         .vidioc_qbuf          = vidioc_qbuf,
1706         .vidioc_dqbuf         = vidioc_dqbuf,
1707         .vidioc_s_std         = vidioc_s_std,
1708         .vidioc_enum_input    = vidioc_enum_input,
1709         .vidioc_g_input       = vidioc_g_input,
1710         .vidioc_s_input       = vidioc_s_input,
1711         .vidioc_queryctrl     = vidioc_queryctrl,
1712         .vidioc_g_ctrl        = vidioc_g_ctrl,
1713         .vidioc_s_ctrl        = vidioc_s_ctrl,
1714         .vidioc_streamon      = vidioc_streamon,
1715         .vidioc_streamoff     = vidioc_streamoff,
1716 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1717         .vidiocgmbuf          = vidiocgmbuf,
1718 #endif
1719         .vidioc_g_tuner       = vidioc_g_tuner,
1720         .vidioc_s_tuner       = vidioc_s_tuner,
1721         .vidioc_g_frequency   = vidioc_g_frequency,
1722         .vidioc_s_frequency   = vidioc_s_frequency,
1723 #ifdef CONFIG_VIDEO_ADV_DEBUG
1724         .vidioc_g_register    = vidioc_g_register,
1725         .vidioc_s_register    = vidioc_s_register,
1726 #endif
1727 };
1728
1729 static struct video_device cx8800_vbi_template;
1730
1731 static struct video_device cx8800_video_template = {
1732         .name                 = "cx8800-video",
1733         .fops                 = &video_fops,
1734         .minor                = -1,
1735         .ioctl_ops            = &video_ioctl_ops,
1736         .tvnorms              = CX88_NORMS,
1737         .current_norm         = V4L2_STD_NTSC_M,
1738 };
1739
1740 static const struct v4l2_file_operations radio_fops =
1741 {
1742         .owner         = THIS_MODULE,
1743         .open          = video_open,
1744         .release       = video_release,
1745         .ioctl         = video_ioctl2,
1746 };
1747
1748 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1749         .vidioc_querycap      = radio_querycap,
1750         .vidioc_g_tuner       = radio_g_tuner,
1751         .vidioc_enum_input    = radio_enum_input,
1752         .vidioc_g_audio       = radio_g_audio,
1753         .vidioc_s_tuner       = radio_s_tuner,
1754         .vidioc_s_audio       = radio_s_audio,
1755         .vidioc_s_input       = radio_s_input,
1756         .vidioc_queryctrl     = radio_queryctrl,
1757         .vidioc_g_ctrl        = vidioc_g_ctrl,
1758         .vidioc_s_ctrl        = vidioc_s_ctrl,
1759         .vidioc_g_frequency   = vidioc_g_frequency,
1760         .vidioc_s_frequency   = vidioc_s_frequency,
1761 #ifdef CONFIG_VIDEO_ADV_DEBUG
1762         .vidioc_g_register    = vidioc_g_register,
1763         .vidioc_s_register    = vidioc_s_register,
1764 #endif
1765 };
1766
1767 static struct video_device cx8800_radio_template = {
1768         .name                 = "cx8800-radio",
1769         .fops                 = &radio_fops,
1770         .minor                = -1,
1771         .ioctl_ops            = &radio_ioctl_ops,
1772 };
1773
1774 /* ----------------------------------------------------------- */
1775
1776 static void cx8800_unregister_video(struct cx8800_dev *dev)
1777 {
1778         if (dev->radio_dev) {
1779                 if (-1 != dev->radio_dev->minor)
1780                         video_unregister_device(dev->radio_dev);
1781                 else
1782                         video_device_release(dev->radio_dev);
1783                 dev->radio_dev = NULL;
1784         }
1785         if (dev->vbi_dev) {
1786                 if (-1 != dev->vbi_dev->minor)
1787                         video_unregister_device(dev->vbi_dev);
1788                 else
1789                         video_device_release(dev->vbi_dev);
1790                 dev->vbi_dev = NULL;
1791         }
1792         if (dev->video_dev) {
1793                 if (-1 != dev->video_dev->minor)
1794                         video_unregister_device(dev->video_dev);
1795                 else
1796                         video_device_release(dev->video_dev);
1797                 dev->video_dev = NULL;
1798         }
1799 }
1800
1801 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1802                                     const struct pci_device_id *pci_id)
1803 {
1804         struct cx8800_dev *dev;
1805         struct cx88_core *core;
1806
1807         int err;
1808
1809         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1810         if (NULL == dev)
1811                 return -ENOMEM;
1812
1813         /* pci init */
1814         dev->pci = pci_dev;
1815         if (pci_enable_device(pci_dev)) {
1816                 err = -EIO;
1817                 goto fail_free;
1818         }
1819         core = cx88_core_get(dev->pci);
1820         if (NULL == core) {
1821                 err = -EINVAL;
1822                 goto fail_free;
1823         }
1824         dev->core = core;
1825
1826         /* print pci info */
1827         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1828         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1829         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1830                "latency: %d, mmio: 0x%llx\n", core->name,
1831                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1832                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1833
1834         pci_set_master(pci_dev);
1835         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1836                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1837                 err = -EIO;
1838                 goto fail_core;
1839         }
1840
1841         /* Initialize VBI template */
1842         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1843                 sizeof(cx8800_vbi_template) );
1844         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1845
1846         /* initialize driver struct */
1847         spin_lock_init(&dev->slock);
1848         core->tvnorm = cx8800_video_template.current_norm;
1849
1850         /* init video dma queues */
1851         INIT_LIST_HEAD(&dev->vidq.active);
1852         INIT_LIST_HEAD(&dev->vidq.queued);
1853         dev->vidq.timeout.function = cx8800_vid_timeout;
1854         dev->vidq.timeout.data     = (unsigned long)dev;
1855         init_timer(&dev->vidq.timeout);
1856         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1857                           MO_VID_DMACNTRL,0x11,0x00);
1858
1859         /* init vbi dma queues */
1860         INIT_LIST_HEAD(&dev->vbiq.active);
1861         INIT_LIST_HEAD(&dev->vbiq.queued);
1862         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1863         dev->vbiq.timeout.data     = (unsigned long)dev;
1864         init_timer(&dev->vbiq.timeout);
1865         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1866                           MO_VID_DMACNTRL,0x88,0x00);
1867
1868         /* get irq */
1869         err = request_irq(pci_dev->irq, cx8800_irq,
1870                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1871         if (err < 0) {
1872                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1873                        core->name,pci_dev->irq);
1874                 goto fail_core;
1875         }
1876         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1877
1878         /* load and configure helper modules */
1879
1880         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1881                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1882                                 "wm8775", "wm8775", 0x36 >> 1);
1883
1884         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1885                 /* This probes for a tda9874 as is used on some
1886                    Pixelview Ultra boards. */
1887                 v4l2_i2c_new_probed_subdev_addr(&core->v4l2_dev,
1888                                 &core->i2c_adap,
1889                                 "tvaudio", "tvaudio", 0xb0 >> 1);
1890         }
1891
1892         switch (core->boardnr) {
1893         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1894         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1895                 static struct i2c_board_info rtc_info = {
1896                         I2C_BOARD_INFO("isl1208", 0x6f)
1897                 };
1898
1899                 request_module("rtc-isl1208");
1900                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1901         }
1902                 /* break intentionally omitted */
1903         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1904                 request_module("ir-kbd-i2c");
1905         }
1906
1907         /* register v4l devices */
1908         dev->video_dev = cx88_vdev_init(core,dev->pci,
1909                                         &cx8800_video_template,"video");
1910         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1911                                     video_nr[core->nr]);
1912         if (err < 0) {
1913                 printk(KERN_ERR "%s/0: can't register video device\n",
1914                        core->name);
1915                 goto fail_unreg;
1916         }
1917         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1918                core->name, dev->video_dev->num);
1919
1920         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1921         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1922                                     vbi_nr[core->nr]);
1923         if (err < 0) {
1924                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1925                        core->name);
1926                 goto fail_unreg;
1927         }
1928         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1929                core->name, dev->vbi_dev->num);
1930
1931         if (core->board.radio.type == CX88_RADIO) {
1932                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1933                                                 &cx8800_radio_template,"radio");
1934                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1935                                             radio_nr[core->nr]);
1936                 if (err < 0) {
1937                         printk(KERN_ERR "%s/0: can't register radio device\n",
1938                                core->name);
1939                         goto fail_unreg;
1940                 }
1941                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1942                        core->name, dev->radio_dev->num);
1943         }
1944
1945         /* everything worked */
1946         list_add_tail(&dev->devlist,&cx8800_devlist);
1947         pci_set_drvdata(pci_dev,dev);
1948
1949         /* initial device configuration */
1950         mutex_lock(&core->lock);
1951         cx88_set_tvnorm(core,core->tvnorm);
1952         init_controls(core);
1953         cx88_video_mux(core,0);
1954         mutex_unlock(&core->lock);
1955
1956         /* start tvaudio thread */
1957         if (core->board.tuner_type != TUNER_ABSENT) {
1958                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1959                 if (IS_ERR(core->kthread)) {
1960                         err = PTR_ERR(core->kthread);
1961                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1962                                core->name, err);
1963                 }
1964         }
1965         return 0;
1966
1967 fail_unreg:
1968         cx8800_unregister_video(dev);
1969         free_irq(pci_dev->irq, dev);
1970 fail_core:
1971         cx88_core_put(core,dev->pci);
1972 fail_free:
1973         kfree(dev);
1974         return err;
1975 }
1976
1977 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1978 {
1979         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1980         struct cx88_core *core = dev->core;
1981
1982         /* stop thread */
1983         if (core->kthread) {
1984                 kthread_stop(core->kthread);
1985                 core->kthread = NULL;
1986         }
1987
1988         if (core->ir)
1989                 cx88_ir_stop(core, core->ir);
1990
1991         cx88_shutdown(core); /* FIXME */
1992         pci_disable_device(pci_dev);
1993
1994         /* unregister stuff */
1995
1996         free_irq(pci_dev->irq, dev);
1997         cx8800_unregister_video(dev);
1998         pci_set_drvdata(pci_dev, NULL);
1999
2000         /* free memory */
2001         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2002         list_del(&dev->devlist);
2003         cx88_core_put(core,dev->pci);
2004         kfree(dev);
2005 }
2006
2007 #ifdef CONFIG_PM
2008 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2009 {
2010         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2011         struct cx88_core *core = dev->core;
2012
2013         /* stop video+vbi capture */
2014         spin_lock(&dev->slock);
2015         if (!list_empty(&dev->vidq.active)) {
2016                 printk("%s/0: suspend video\n", core->name);
2017                 stop_video_dma(dev);
2018                 del_timer(&dev->vidq.timeout);
2019         }
2020         if (!list_empty(&dev->vbiq.active)) {
2021                 printk("%s/0: suspend vbi\n", core->name);
2022                 cx8800_stop_vbi_dma(dev);
2023                 del_timer(&dev->vbiq.timeout);
2024         }
2025         spin_unlock(&dev->slock);
2026
2027         if (core->ir)
2028                 cx88_ir_stop(core, core->ir);
2029         /* FIXME -- shutdown device */
2030         cx88_shutdown(core);
2031
2032         pci_save_state(pci_dev);
2033         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2034                 pci_disable_device(pci_dev);
2035                 dev->state.disabled = 1;
2036         }
2037         return 0;
2038 }
2039
2040 static int cx8800_resume(struct pci_dev *pci_dev)
2041 {
2042         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2043         struct cx88_core *core = dev->core;
2044         int err;
2045
2046         if (dev->state.disabled) {
2047                 err=pci_enable_device(pci_dev);
2048                 if (err) {
2049                         printk(KERN_ERR "%s/0: can't enable device\n",
2050                                core->name);
2051                         return err;
2052                 }
2053
2054                 dev->state.disabled = 0;
2055         }
2056         err= pci_set_power_state(pci_dev, PCI_D0);
2057         if (err) {
2058                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2059                 pci_disable_device(pci_dev);
2060                 dev->state.disabled = 1;
2061
2062                 return err;
2063         }
2064         pci_restore_state(pci_dev);
2065
2066         /* FIXME: re-initialize hardware */
2067         cx88_reset(core);
2068         if (core->ir)
2069                 cx88_ir_start(core, core->ir);
2070
2071         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2072
2073         /* restart video+vbi capture */
2074         spin_lock(&dev->slock);
2075         if (!list_empty(&dev->vidq.active)) {
2076                 printk("%s/0: resume video\n", core->name);
2077                 restart_video_queue(dev,&dev->vidq);
2078         }
2079         if (!list_empty(&dev->vbiq.active)) {
2080                 printk("%s/0: resume vbi\n", core->name);
2081                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2082         }
2083         spin_unlock(&dev->slock);
2084
2085         return 0;
2086 }
2087 #endif
2088
2089 /* ----------------------------------------------------------- */
2090
2091 static struct pci_device_id cx8800_pci_tbl[] = {
2092         {
2093                 .vendor       = 0x14f1,
2094                 .device       = 0x8800,
2095                 .subvendor    = PCI_ANY_ID,
2096                 .subdevice    = PCI_ANY_ID,
2097         },{
2098                 /* --- end of list --- */
2099         }
2100 };
2101 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2102
2103 static struct pci_driver cx8800_pci_driver = {
2104         .name     = "cx8800",
2105         .id_table = cx8800_pci_tbl,
2106         .probe    = cx8800_initdev,
2107         .remove   = __devexit_p(cx8800_finidev),
2108 #ifdef CONFIG_PM
2109         .suspend  = cx8800_suspend,
2110         .resume   = cx8800_resume,
2111 #endif
2112 };
2113
2114 static int cx8800_init(void)
2115 {
2116         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2117                (CX88_VERSION_CODE >> 16) & 0xff,
2118                (CX88_VERSION_CODE >>  8) & 0xff,
2119                CX88_VERSION_CODE & 0xff);
2120 #ifdef SNAPSHOT
2121         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2122                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2123 #endif
2124         return pci_register_driver(&cx8800_pci_driver);
2125 }
2126
2127 static void cx8800_fini(void)
2128 {
2129         pci_unregister_driver(&cx8800_pci_driver);
2130 }
2131
2132 module_init(cx8800_init);
2133 module_exit(cx8800_fini);
2134
2135 /* ----------------------------------------------------------- */
2136 /*
2137  * Local variables:
2138  * c-basic-offset: 8
2139  * End:
2140  * 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
2141  */