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/smp_lock.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/dma-mapping.h>
  37 #include <linux/delay.h>
  38 #include <linux/kthread.h>
  39 #include <asm/div64.h>
  40
  41 #include "cx88.h"
  42 #include <media/v4l2-common.h>
  43 #include <media/v4l2-ioctl.h>
  44
  45 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  46 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  47 MODULE_LICENSE("GPL");
  48
  49 /* ------------------------------------------------------------------ */
  50
  51 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54
  55 module_param_array(video_nr, int, NULL, 0444);
  56 module_param_array(vbi_nr,   int, NULL, 0444);
  57 module_param_array(radio_nr, int, NULL, 0444);
  58
  59 MODULE_PARM_DESC(video_nr,"video device numbers");
  60 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  61 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  62
  63 static unsigned int video_debug;
  64 module_param(video_debug,int,0644);
  65 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  66
  67 static unsigned int irq_debug;
  68 module_param(irq_debug,int,0644);
  69 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  70
  71 static unsigned int vid_limit = 16;
  72 module_param(vid_limit,int,0644);
  73 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  74
  75 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  76         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  77
  78 /* ------------------------------------------------------------------ */
  79
  80 static LIST_HEAD(cx8800_devlist);
  81
  82 /* ------------------------------------------------------------------- */
  83 /* static data                                                         */
  84
  85 static struct cx8800_fmt formats[] = {
  86         {
  87                 .name     = "8 bpp, gray",
  88                 .fourcc   = V4L2_PIX_FMT_GREY,
  89                 .cxformat = ColorFormatY8,
  90                 .depth    = 8,
  91                 .flags    = FORMAT_FLAGS_PACKED,
  92         },{
  93                 .name     = "15 bpp RGB, le",
  94                 .fourcc   = V4L2_PIX_FMT_RGB555,
  95                 .cxformat = ColorFormatRGB15,
  96                 .depth    = 16,
  97                 .flags    = FORMAT_FLAGS_PACKED,
  98         },{
  99                 .name     = "15 bpp RGB, be",
 100                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 101                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 102                 .depth    = 16,
 103                 .flags    = FORMAT_FLAGS_PACKED,
 104         },{
 105                 .name     = "16 bpp RGB, le",
 106                 .fourcc   = V4L2_PIX_FMT_RGB565,
 107                 .cxformat = ColorFormatRGB16,
 108                 .depth    = 16,
 109                 .flags    = FORMAT_FLAGS_PACKED,
 110         },{
 111                 .name     = "16 bpp RGB, be",
 112                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 113                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 114                 .depth    = 16,
 115                 .flags    = FORMAT_FLAGS_PACKED,
 116         },{
 117                 .name     = "24 bpp RGB, le",
 118                 .fourcc   = V4L2_PIX_FMT_BGR24,
 119                 .cxformat = ColorFormatRGB24,
 120                 .depth    = 24,
 121                 .flags    = FORMAT_FLAGS_PACKED,
 122         },{
 123                 .name     = "32 bpp RGB, le",
 124                 .fourcc   = V4L2_PIX_FMT_BGR32,
 125                 .cxformat = ColorFormatRGB32,
 126                 .depth    = 32,
 127                 .flags    = FORMAT_FLAGS_PACKED,
 128         },{
 129                 .name     = "32 bpp RGB, be",
 130                 .fourcc   = V4L2_PIX_FMT_RGB32,
 131                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 132                 .depth    = 32,
 133                 .flags    = FORMAT_FLAGS_PACKED,
 134         },{
 135                 .name     = "4:2:2, packed, YUYV",
 136                 .fourcc   = V4L2_PIX_FMT_YUYV,
 137                 .cxformat = ColorFormatYUY2,
 138                 .depth    = 16,
 139                 .flags    = FORMAT_FLAGS_PACKED,
 140         },{
 141                 .name     = "4:2:2, packed, UYVY",
 142                 .fourcc   = V4L2_PIX_FMT_UYVY,
 143                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 144                 .depth    = 16,
 145                 .flags    = FORMAT_FLAGS_PACKED,
 146         },
 147 };
 148
 149 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 150 {
 151         unsigned int i;
 152
 153         for (i = 0; i < ARRAY_SIZE(formats); i++)
 154                 if (formats[i].fourcc == fourcc)
 155                         return formats+i;
 156         return NULL;
 157 }
 158
 159 /* ------------------------------------------------------------------- */
 160
 161 static const struct v4l2_queryctrl no_ctl = {
 162         .name  = "42",
 163         .flags = V4L2_CTRL_FLAG_DISABLED,
 164 };
 165
 166 static struct cx88_ctrl cx8800_ctls[] = {
 167         /* --- video --- */
 168         {
 169                 .v = {
 170                         .id            = V4L2_CID_BRIGHTNESS,
 171                         .name          = "Brightness",
 172                         .minimum       = 0x00,
 173                         .maximum       = 0xff,
 174                         .step          = 1,
 175                         .default_value = 0x7f,
 176                         .type          = V4L2_CTRL_TYPE_INTEGER,
 177                 },
 178                 .off                   = 128,
 179                 .reg                   = MO_CONTR_BRIGHT,
 180                 .mask                  = 0x00ff,
 181                 .shift                 = 0,
 182         },{
 183                 .v = {
 184                         .id            = V4L2_CID_CONTRAST,
 185                         .name          = "Contrast",
 186                         .minimum       = 0,
 187                         .maximum       = 0xff,
 188                         .step          = 1,
 189                         .default_value = 0x3f,
 190                         .type          = V4L2_CTRL_TYPE_INTEGER,
 191                 },
 192                 .off                   = 0,
 193                 .reg                   = MO_CONTR_BRIGHT,
 194                 .mask                  = 0xff00,
 195                 .shift                 = 8,
 196         },{
 197                 .v = {
 198                         .id            = V4L2_CID_HUE,
 199                         .name          = "Hue",
 200                         .minimum       = 0,
 201                         .maximum       = 0xff,
 202                         .step          = 1,
 203                         .default_value = 0x7f,
 204                         .type          = V4L2_CTRL_TYPE_INTEGER,
 205                 },
 206                 .off                   = 128,
 207                 .reg                   = MO_HUE,
 208                 .mask                  = 0x00ff,
 209                 .shift                 = 0,
 210         },{
 211                 /* strictly, this only describes only U saturation.
 212                  * V saturation is handled specially through code.
 213                  */
 214                 .v = {
 215                         .id            = V4L2_CID_SATURATION,
 216                         .name          = "Saturation",
 217                         .minimum       = 0,
 218                         .maximum       = 0xff,
 219                         .step          = 1,
 220                         .default_value = 0x7f,
 221                         .type          = V4L2_CTRL_TYPE_INTEGER,
 222                 },
 223                 .off                   = 0,
 224                 .reg                   = MO_UV_SATURATION,
 225                 .mask                  = 0x00ff,
 226                 .shift                 = 0,
 227         },{
 228                 .v = {
 229                         .id            = V4L2_CID_CHROMA_AGC,
 230                         .name          = "Chroma AGC",
 231                         .minimum       = 0,
 232                         .maximum       = 1,
 233                         .default_value = 0x1,
 234                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 235                 },
 236                 .reg                   = MO_INPUT_FORMAT,
 237                 .mask                  = 1 << 10,
 238                 .shift                 = 10,
 239         }, {
 240                 .v = {
 241                         .id            = V4L2_CID_COLOR_KILLER,
 242                         .name          = "Color killer",
 243                         .minimum       = 0,
 244                         .maximum       = 1,
 245                         .default_value = 0x1,
 246                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 247                 },
 248                 .reg                   = MO_INPUT_FORMAT,
 249                 .mask                  = 1 << 9,
 250                 .shift                 = 9,
 251         }, {
 252         /* --- audio --- */
 253                 .v = {
 254                         .id            = V4L2_CID_AUDIO_MUTE,
 255                         .name          = "Mute",
 256                         .minimum       = 0,
 257                         .maximum       = 1,
 258                         .default_value = 1,
 259                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 260                 },
 261                 .reg                   = AUD_VOL_CTL,
 262                 .sreg                  = SHADOW_AUD_VOL_CTL,
 263                 .mask                  = (1 << 6),
 264                 .shift                 = 6,
 265         },{
 266                 .v = {
 267                         .id            = V4L2_CID_AUDIO_VOLUME,
 268                         .name          = "Volume",
 269                         .minimum       = 0,
 270                         .maximum       = 0x3f,
 271                         .step          = 1,
 272                         .default_value = 0x3f,
 273                         .type          = V4L2_CTRL_TYPE_INTEGER,
 274                 },
 275                 .reg                   = AUD_VOL_CTL,
 276                 .sreg                  = SHADOW_AUD_VOL_CTL,
 277                 .mask                  = 0x3f,
 278                 .shift                 = 0,
 279         },{
 280                 .v = {
 281                         .id            = V4L2_CID_AUDIO_BALANCE,
 282                         .name          = "Balance",
 283                         .minimum       = 0,
 284                         .maximum       = 0x7f,
 285                         .step          = 1,
 286                         .default_value = 0x40,
 287                         .type          = V4L2_CTRL_TYPE_INTEGER,
 288                 },
 289                 .reg                   = AUD_BAL_CTL,
 290                 .sreg                  = SHADOW_AUD_BAL_CTL,
 291                 .mask                  = 0x7f,
 292                 .shift                 = 0,
 293         }
 294 };
 295 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 296
 297 /* Must be sorted from low to high control ID! */
 298 const u32 cx88_user_ctrls[] = {
 299         V4L2_CID_USER_CLASS,
 300         V4L2_CID_BRIGHTNESS,
 301         V4L2_CID_CONTRAST,
 302         V4L2_CID_SATURATION,
 303         V4L2_CID_HUE,
 304         V4L2_CID_AUDIO_VOLUME,
 305         V4L2_CID_AUDIO_BALANCE,
 306         V4L2_CID_AUDIO_MUTE,
 307         V4L2_CID_CHROMA_AGC,
 308         V4L2_CID_COLOR_KILLER,
 309         0
 310 };
 311 EXPORT_SYMBOL(cx88_user_ctrls);
 312
 313 static const u32 *ctrl_classes[] = {
 314         cx88_user_ctrls,
 315         NULL
 316 };
 317
 318 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 319 {
 320         int i;
 321
 322         if (qctrl->id < V4L2_CID_BASE ||
 323             qctrl->id >= V4L2_CID_LASTP1)
 324                 return -EINVAL;
 325         for (i = 0; i < CX8800_CTLS; i++)
 326                 if (cx8800_ctls[i].v.id == qctrl->id)
 327                         break;
 328         if (i == CX8800_CTLS) {
 329                 *qctrl = no_ctl;
 330                 return 0;
 331         }
 332         *qctrl = cx8800_ctls[i].v;
 333         /* Report chroma AGC as inactive when SECAM is selected */
 334         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 335             core->tvnorm & V4L2_STD_SECAM)
 336                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 337
 338         return 0;
 339 }
 340 EXPORT_SYMBOL(cx8800_ctrl_query);
 341
 342 /* ------------------------------------------------------------------- */
 343 /* resource management                                                 */
 344
 345 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 346 {
 347         struct cx88_core *core = dev->core;
 348         if (fh->resources & bit)
 349                 /* have it already allocated */
 350                 return 1;
 351
 352         /* is it free? */
 353         mutex_lock(&core->lock);
 354         if (dev->resources & bit) {
 355                 /* no, someone else uses it */
 356                 mutex_unlock(&core->lock);
 357                 return 0;
 358         }
 359         /* it's free, grab it */
 360         fh->resources  |= bit;
 361         dev->resources |= bit;
 362         dprintk(1,"res: get %d\n",bit);
 363         mutex_unlock(&core->lock);
 364         return 1;
 365 }
 366
 367 static
 368 int res_check(struct cx8800_fh *fh, unsigned int bit)
 369 {
 370         return (fh->resources & bit);
 371 }
 372
 373 static
 374 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 375 {
 376         return (dev->resources & bit);
 377 }
 378
 379 static
 380 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 381 {
 382         struct cx88_core *core = dev->core;
 383         BUG_ON((fh->resources & bits) != bits);
 384
 385         mutex_lock(&core->lock);
 386         fh->resources  &= ~bits;
 387         dev->resources &= ~bits;
 388         dprintk(1,"res: put %d\n",bits);
 389         mutex_unlock(&core->lock);
 390 }
 391
 392 /* ------------------------------------------------------------------ */
 393
 394 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 395 {
 396         /* struct cx88_core *core = dev->core; */
 397
 398         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 399                 input, INPUT(input).vmux,
 400                 INPUT(input).gpio0,INPUT(input).gpio1,
 401                 INPUT(input).gpio2,INPUT(input).gpio3);
 402         core->input = input;
 403         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 404         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 405         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 406         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 407         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 408
 409         switch (INPUT(input).type) {
 410         case CX88_VMUX_SVIDEO:
 411                 cx_set(MO_AFECFG_IO,    0x00000001);
 412                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 413                 cx_set(MO_FILTER_EVEN,  0x00002020);
 414                 cx_set(MO_FILTER_ODD,   0x00002020);
 415                 break;
 416         default:
 417                 cx_clear(MO_AFECFG_IO,    0x00000001);
 418                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 419                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 420                 cx_clear(MO_FILTER_ODD,   0x00002020);
 421                 break;
 422         }
 423
 424         /* if there are audioroutes defined, we have an external
 425            ADC to deal with audio */
 426         if (INPUT(input).audioroute) {
 427                 /* The wm8775 module has the "2" route hardwired into
 428                    the initialization. Some boards may use different
 429                    routes for different inputs. HVR-1300 surely does */
 430                 if (core->board.audio_chip &&
 431                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 432                         call_all(core, audio, s_routing,
 433                                         INPUT(input).audioroute, 0, 0);
 434                 }
 435                 /* cx2388's C-ADC is connected to the tuner only.
 436                    When used with S-Video, that ADC is busy dealing with
 437                    chroma, so an external must be used for baseband audio */
 438                 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
 439                         /* "I2S ADC mode" */
 440                         core->tvaudio = WW_I2SADC;
 441                         cx88_set_tvaudio(core);
 442                 } else {
 443                         /* Normal mode */
 444                         cx_write(AUD_I2SCNTL, 0x0);
 445                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 446                 }
 447         }
 448
 449         return 0;
 450 }
 451 EXPORT_SYMBOL(cx88_video_mux);
 452
 453 /* ------------------------------------------------------------------ */
 454
 455 static int start_video_dma(struct cx8800_dev    *dev,
 456                            struct cx88_dmaqueue *q,
 457                            struct cx88_buffer   *buf)
 458 {
 459         struct cx88_core *core = dev->core;
 460
 461         /* setup fifo + format */
 462         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 463                                 buf->bpl, buf->risc.dma);
 464         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 465         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 466
 467         /* reset counter */
 468         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 469         q->count = 1;
 470
 471         /* enable irqs */
 472         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 473
 474         /* Enables corresponding bits at PCI_INT_STAT:
 475                 bits 0 to 4: video, audio, transport stream, VIP, Host
 476                 bit 7: timer
 477                 bits 8 and 9: DMA complete for: SRC, DST
 478                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 479                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 480          */
 481         cx_set(MO_VID_INTMSK, 0x0f0011);
 482
 483         /* enable capture */
 484         cx_set(VID_CAPTURE_CONTROL,0x06);
 485
 486         /* start dma */
 487         cx_set(MO_DEV_CNTRL2, (1<<5));
 488         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 489
 490         return 0;
 491 }
 492
 493 #ifdef CONFIG_PM
 494 static int stop_video_dma(struct cx8800_dev    *dev)
 495 {
 496         struct cx88_core *core = dev->core;
 497
 498         /* stop dma */
 499         cx_clear(MO_VID_DMACNTRL, 0x11);
 500
 501         /* disable capture */
 502         cx_clear(VID_CAPTURE_CONTROL,0x06);
 503
 504         /* disable irqs */
 505         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 506         cx_clear(MO_VID_INTMSK, 0x0f0011);
 507         return 0;
 508 }
 509 #endif
 510
 511 static int restart_video_queue(struct cx8800_dev    *dev,
 512                                struct cx88_dmaqueue *q)
 513 {
 514         struct cx88_core *core = dev->core;
 515         struct cx88_buffer *buf, *prev;
 516
 517         if (!list_empty(&q->active)) {
 518                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 519                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 520                         buf, buf->vb.i);
 521                 start_video_dma(dev, q, buf);
 522                 list_for_each_entry(buf, &q->active, vb.queue)
 523                         buf->count = q->count++;
 524                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 525                 return 0;
 526         }
 527
 528         prev = NULL;
 529         for (;;) {
 530                 if (list_empty(&q->queued))
 531                         return 0;
 532                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 533                 if (NULL == prev) {
 534                         list_move_tail(&buf->vb.queue, &q->active);
 535                         start_video_dma(dev, q, buf);
 536                         buf->vb.state = VIDEOBUF_ACTIVE;
 537                         buf->count    = q->count++;
 538                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 539                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 540                                 buf,buf->vb.i);
 541
 542                 } else if (prev->vb.width  == buf->vb.width  &&
 543                            prev->vb.height == buf->vb.height &&
 544                            prev->fmt       == buf->fmt) {
 545                         list_move_tail(&buf->vb.queue, &q->active);
 546                         buf->vb.state = VIDEOBUF_ACTIVE;
 547                         buf->count    = q->count++;
 548                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 549                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 550                                 buf,buf->vb.i);
 551                 } else {
 552                         return 0;
 553                 }
 554                 prev = buf;
 555         }
 556 }
 557
 558 /* ------------------------------------------------------------------ */
 559
 560 static int
 561 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 562 {
 563         struct cx8800_fh *fh = q->priv_data;
 564
 565         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 566         if (0 == *count)
 567                 *count = 32;
 568         while (*size * *count > vid_limit * 1024 * 1024)
 569                 (*count)--;
 570         return 0;
 571 }
 572
 573 static int
 574 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 575                enum v4l2_field field)
 576 {
 577         struct cx8800_fh   *fh  = q->priv_data;
 578         struct cx8800_dev  *dev = fh->dev;
 579         struct cx88_core *core = dev->core;
 580         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 581         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 582         int rc, init_buffer = 0;
 583
 584         BUG_ON(NULL == fh->fmt);
 585         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 586             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 587                 return -EINVAL;
 588         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 589         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 590                 return -EINVAL;
 591
 592         if (buf->fmt       != fh->fmt    ||
 593             buf->vb.width  != fh->width  ||
 594             buf->vb.height != fh->height ||
 595             buf->vb.field  != field) {
 596                 buf->fmt       = fh->fmt;
 597                 buf->vb.width  = fh->width;
 598                 buf->vb.height = fh->height;
 599                 buf->vb.field  = field;
 600                 init_buffer = 1;
 601         }
 602
 603         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 604                 init_buffer = 1;
 605                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 606                         goto fail;
 607         }
 608
 609         if (init_buffer) {
 610                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 611                 switch (buf->vb.field) {
 612                 case V4L2_FIELD_TOP:
 613                         cx88_risc_buffer(dev->pci, &buf->risc,
 614                                          dma->sglist, 0, UNSET,
 615                                          buf->bpl, 0, buf->vb.height);
 616                         break;
 617                 case V4L2_FIELD_BOTTOM:
 618                         cx88_risc_buffer(dev->pci, &buf->risc,
 619                                          dma->sglist, UNSET, 0,
 620                                          buf->bpl, 0, buf->vb.height);
 621                         break;
 622                 case V4L2_FIELD_INTERLACED:
 623                         cx88_risc_buffer(dev->pci, &buf->risc,
 624                                          dma->sglist, 0, buf->bpl,
 625                                          buf->bpl, buf->bpl,
 626                                          buf->vb.height >> 1);
 627                         break;
 628                 case V4L2_FIELD_SEQ_TB:
 629                         cx88_risc_buffer(dev->pci, &buf->risc,
 630                                          dma->sglist,
 631                                          0, buf->bpl * (buf->vb.height >> 1),
 632                                          buf->bpl, 0,
 633                                          buf->vb.height >> 1);
 634                         break;
 635                 case V4L2_FIELD_SEQ_BT:
 636                         cx88_risc_buffer(dev->pci, &buf->risc,
 637                                          dma->sglist,
 638                                          buf->bpl * (buf->vb.height >> 1), 0,
 639                                          buf->bpl, 0,
 640                                          buf->vb.height >> 1);
 641                         break;
 642                 default:
 643                         BUG();
 644                 }
 645         }
 646         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 647                 buf, buf->vb.i,
 648                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 649                 (unsigned long)buf->risc.dma);
 650
 651         buf->vb.state = VIDEOBUF_PREPARED;
 652         return 0;
 653
 654  fail:
 655         cx88_free_buffer(q,buf);
 656         return rc;
 657 }
 658
 659 static void
 660 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 661 {
 662         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 663         struct cx88_buffer    *prev;
 664         struct cx8800_fh      *fh   = vq->priv_data;
 665         struct cx8800_dev     *dev  = fh->dev;
 666         struct cx88_core      *core = dev->core;
 667         struct cx88_dmaqueue  *q    = &dev->vidq;
 668
 669         /* add jump to stopper */
 670         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 671         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 672
 673         if (!list_empty(&q->queued)) {
 674                 list_add_tail(&buf->vb.queue,&q->queued);
 675                 buf->vb.state = VIDEOBUF_QUEUED;
 676                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 677                         buf, buf->vb.i);
 678
 679         } else if (list_empty(&q->active)) {
 680                 list_add_tail(&buf->vb.queue,&q->active);
 681                 start_video_dma(dev, q, buf);
 682                 buf->vb.state = VIDEOBUF_ACTIVE;
 683                 buf->count    = q->count++;
 684                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 685                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 686                         buf, buf->vb.i);
 687
 688         } else {
 689                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 690                 if (prev->vb.width  == buf->vb.width  &&
 691                     prev->vb.height == buf->vb.height &&
 692                     prev->fmt       == buf->fmt) {
 693                         list_add_tail(&buf->vb.queue,&q->active);
 694                         buf->vb.state = VIDEOBUF_ACTIVE;
 695                         buf->count    = q->count++;
 696                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 697                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 698                                 buf, buf->vb.i);
 699
 700                 } else {
 701                         list_add_tail(&buf->vb.queue,&q->queued);
 702                         buf->vb.state = VIDEOBUF_QUEUED;
 703                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 704                                 buf, buf->vb.i);
 705                 }
 706         }
 707 }
 708
 709 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 710 {
 711         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 712
 713         cx88_free_buffer(q,buf);
 714 }
 715
 716 static struct videobuf_queue_ops cx8800_video_qops = {
 717         .buf_setup    = buffer_setup,
 718         .buf_prepare  = buffer_prepare,
 719         .buf_queue    = buffer_queue,
 720         .buf_release  = buffer_release,
 721 };
 722
 723 /* ------------------------------------------------------------------ */
 724
 725
 726 /* ------------------------------------------------------------------ */
 727
 728 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 729 {
 730         switch (fh->type) {
 731         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 732                 return &fh->vidq;
 733         case V4L2_BUF_TYPE_VBI_CAPTURE:
 734                 return &fh->vbiq;
 735         default:
 736                 BUG();
 737                 return NULL;
 738         }
 739 }
 740
 741 static int get_ressource(struct cx8800_fh *fh)
 742 {
 743         switch (fh->type) {
 744         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 745                 return RESOURCE_VIDEO;
 746         case V4L2_BUF_TYPE_VBI_CAPTURE:
 747                 return RESOURCE_VBI;
 748         default:
 749                 BUG();
 750                 return 0;
 751         }
 752 }
 753
 754 static int video_open(struct file *file)
 755 {
 756         int minor = video_devdata(file)->minor;
 757         struct cx8800_dev *h,*dev = NULL;
 758         struct cx88_core *core;
 759         struct cx8800_fh *fh;
 760         enum v4l2_buf_type type = 0;
 761         int radio = 0;
 762
 763         lock_kernel();
 764         list_for_each_entry(h, &cx8800_devlist, devlist) {
 765                 if (h->video_dev->minor == minor) {
 766                         dev  = h;
 767                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 768                 }
 769                 if (h->vbi_dev->minor == minor) {
 770                         dev  = h;
 771                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 772                 }
 773                 if (h->radio_dev &&
 774                     h->radio_dev->minor == minor) {
 775                         radio = 1;
 776                         dev   = h;
 777                 }
 778         }
 779         if (NULL == dev) {
 780                 unlock_kernel();
 781                 return -ENODEV;
 782         }
 783
 784         core = dev->core;
 785
 786         dprintk(1,"open minor=%d radio=%d type=%s\n",
 787                 minor,radio,v4l2_type_names[type]);
 788
 789         /* allocate + initialize per filehandle data */
 790         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 791         if (NULL == fh) {
 792                 unlock_kernel();
 793                 return -ENOMEM;
 794         }
 795         file->private_data = fh;
 796         fh->dev      = dev;
 797         fh->radio    = radio;
 798         fh->type     = type;
 799         fh->width    = 320;
 800         fh->height   = 240;
 801         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 802
 803         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 804                             &dev->pci->dev, &dev->slock,
 805                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 806                             V4L2_FIELD_INTERLACED,
 807                             sizeof(struct cx88_buffer),
 808                             fh);
 809         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 810                             &dev->pci->dev, &dev->slock,
 811                             V4L2_BUF_TYPE_VBI_CAPTURE,
 812                             V4L2_FIELD_SEQ_TB,
 813                             sizeof(struct cx88_buffer),
 814                             fh);
 815
 816         if (fh->radio) {
 817                 dprintk(1,"video_open: setting radio device\n");
 818                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 819                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 820                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 821                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 822                 if (core->board.radio.audioroute) {
 823                         if(core->board.audio_chip &&
 824                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 825                                 call_all(core, audio, s_routing,
 826                                         core->board.radio.audioroute, 0, 0);
 827                         }
 828                         /* "I2S ADC mode" */
 829                         core->tvaudio = WW_I2SADC;
 830                         cx88_set_tvaudio(core);
 831                 } else {
 832                         /* FM Mode */
 833                         core->tvaudio = WW_FM;
 834                         cx88_set_tvaudio(core);
 835                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 836                 }
 837                 call_all(core, tuner, s_radio);
 838         }
 839         unlock_kernel();
 840
 841         atomic_inc(&core->users);
 842
 843         return 0;
 844 }
 845
 846 static ssize_t
 847 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 848 {
 849         struct cx8800_fh *fh = file->private_data;
 850
 851         switch (fh->type) {
 852         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 853                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 854                         return -EBUSY;
 855                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 856                                          file->f_flags & O_NONBLOCK);
 857         case V4L2_BUF_TYPE_VBI_CAPTURE:
 858                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 859                         return -EBUSY;
 860                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 861                                             file->f_flags & O_NONBLOCK);
 862         default:
 863                 BUG();
 864                 return 0;
 865         }
 866 }
 867
 868 static unsigned int
 869 video_poll(struct file *file, struct poll_table_struct *wait)
 870 {
 871         struct cx8800_fh *fh = file->private_data;
 872         struct cx88_buffer *buf;
 873         unsigned int rc = POLLERR;
 874
 875         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 876                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 877                         return POLLERR;
 878                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 879         }
 880
 881         mutex_lock(&fh->vidq.vb_lock);
 882         if (res_check(fh,RESOURCE_VIDEO)) {
 883                 /* streaming capture */
 884                 if (list_empty(&fh->vidq.stream))
 885                         goto done;
 886                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 887         } else {
 888                 /* read() capture */
 889                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 890                 if (NULL == buf)
 891                         goto done;
 892         }
 893         poll_wait(file, &buf->vb.done, wait);
 894         if (buf->vb.state == VIDEOBUF_DONE ||
 895             buf->vb.state == VIDEOBUF_ERROR)
 896                 rc = POLLIN|POLLRDNORM;
 897         else
 898                 rc = 0;
 899 done:
 900         mutex_unlock(&fh->vidq.vb_lock);
 901         return rc;
 902 }
 903
 904 static int video_release(struct file *file)
 905 {
 906         struct cx8800_fh  *fh  = file->private_data;
 907         struct cx8800_dev *dev = fh->dev;
 908
 909         /* turn off overlay */
 910         if (res_check(fh, RESOURCE_OVERLAY)) {
 911                 /* FIXME */
 912                 res_free(dev,fh,RESOURCE_OVERLAY);
 913         }
 914
 915         /* stop video capture */
 916         if (res_check(fh, RESOURCE_VIDEO)) {
 917                 videobuf_queue_cancel(&fh->vidq);
 918                 res_free(dev,fh,RESOURCE_VIDEO);
 919         }
 920         if (fh->vidq.read_buf) {
 921                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 922                 kfree(fh->vidq.read_buf);
 923         }
 924
 925         /* stop vbi capture */
 926         if (res_check(fh, RESOURCE_VBI)) {
 927                 videobuf_stop(&fh->vbiq);
 928                 res_free(dev,fh,RESOURCE_VBI);
 929         }
 930
 931         videobuf_mmap_free(&fh->vidq);
 932         videobuf_mmap_free(&fh->vbiq);
 933         file->private_data = NULL;
 934         kfree(fh);
 935
 936         mutex_lock(&dev->core->lock);
 937         if(atomic_dec_and_test(&dev->core->users))
 938                 call_all(dev->core, tuner, s_standby);
 939         mutex_unlock(&dev->core->lock);
 940
 941         return 0;
 942 }
 943
 944 static int
 945 video_mmap(struct file *file, struct vm_area_struct * vma)
 946 {
 947         struct cx8800_fh *fh = file->private_data;
 948
 949         return videobuf_mmap_mapper(get_queue(fh), vma);
 950 }
 951
 952 /* ------------------------------------------------------------------ */
 953 /* VIDEO CTRL IOCTLS                                                  */
 954
 955 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 956 {
 957         struct cx88_ctrl  *c    = NULL;
 958         u32 value;
 959         int i;
 960
 961         for (i = 0; i < CX8800_CTLS; i++)
 962                 if (cx8800_ctls[i].v.id == ctl->id)
 963                         c = &cx8800_ctls[i];
 964         if (unlikely(NULL == c))
 965                 return -EINVAL;
 966
 967         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 968         switch (ctl->id) {
 969         case V4L2_CID_AUDIO_BALANCE:
 970                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 971                                         : (0x7f - (value & 0x7f));
 972                 break;
 973         case V4L2_CID_AUDIO_VOLUME:
 974                 ctl->value = 0x3f - (value & 0x3f);
 975                 break;
 976         default:
 977                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 978                 break;
 979         }
 980         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 981                                 ctl->id, c->v.name, ctl->value, c->reg,
 982                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 983         return 0;
 984 }
 985 EXPORT_SYMBOL(cx88_get_control);
 986
 987 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 988 {
 989         struct cx88_ctrl *c = NULL;
 990         u32 value,mask;
 991         int i;
 992
 993         for (i = 0; i < CX8800_CTLS; i++) {
 994                 if (cx8800_ctls[i].v.id == ctl->id) {
 995                         c = &cx8800_ctls[i];
 996                 }
 997         }
 998         if (unlikely(NULL == c))
 999                 return -EINVAL;
1000
1001         if (ctl->value < c->v.minimum)
1002                 ctl->value = c->v.minimum;
1003         if (ctl->value > c->v.maximum)
1004                 ctl->value = c->v.maximum;
1005         mask=c->mask;
1006         switch (ctl->id) {
1007         case V4L2_CID_AUDIO_BALANCE:
1008                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1009                 break;
1010         case V4L2_CID_AUDIO_VOLUME:
1011                 value = 0x3f - (ctl->value & 0x3f);
1012                 break;
1013         case V4L2_CID_SATURATION:
1014                 /* special v_sat handling */
1015
1016                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1017
1018                 if (core->tvnorm & V4L2_STD_SECAM) {
1019                         /* For SECAM, both U and V sat should be equal */
1020                         value=value<<8|value;
1021                 } else {
1022                         /* Keeps U Saturation proportional to V Sat */
1023                         value=(value*0x5a)/0x7f<<8|value;
1024                 }
1025                 mask=0xffff;
1026                 break;
1027         case V4L2_CID_CHROMA_AGC:
1028                 /* Do not allow chroma AGC to be enabled for SECAM */
1029                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1030                 if (core->tvnorm & V4L2_STD_SECAM && value)
1031                         return -EINVAL;
1032                 break;
1033         default:
1034                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1035                 break;
1036         }
1037         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1038                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1039                                 mask, c->sreg ? " [shadowed]" : "");
1040         if (c->sreg) {
1041                 cx_sandor(c->sreg, c->reg, mask, value);
1042         } else {
1043                 cx_andor(c->reg, mask, value);
1044         }
1045         return 0;
1046 }
1047 EXPORT_SYMBOL(cx88_set_control);
1048
1049 static void init_controls(struct cx88_core *core)
1050 {
1051         struct v4l2_control ctrl;
1052         int i;
1053
1054         for (i = 0; i < CX8800_CTLS; i++) {
1055                 ctrl.id=cx8800_ctls[i].v.id;
1056                 ctrl.value=cx8800_ctls[i].v.default_value;
1057
1058                 cx88_set_control(core, &ctrl);
1059         }
1060 }
1061
1062 /* ------------------------------------------------------------------ */
1063 /* VIDEO IOCTLS                                                       */
1064
1065 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1066                                         struct v4l2_format *f)
1067 {
1068         struct cx8800_fh  *fh   = priv;
1069
1070         f->fmt.pix.width        = fh->width;
1071         f->fmt.pix.height       = fh->height;
1072         f->fmt.pix.field        = fh->vidq.field;
1073         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1074         f->fmt.pix.bytesperline =
1075                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1076         f->fmt.pix.sizeimage =
1077                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1078         return 0;
1079 }
1080
1081 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1082                         struct v4l2_format *f)
1083 {
1084         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1085         struct cx8800_fmt *fmt;
1086         enum v4l2_field   field;
1087         unsigned int      maxw, maxh;
1088
1089         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1090         if (NULL == fmt)
1091                 return -EINVAL;
1092
1093         field = f->fmt.pix.field;
1094         maxw  = norm_maxw(core->tvnorm);
1095         maxh  = norm_maxh(core->tvnorm);
1096
1097         if (V4L2_FIELD_ANY == field) {
1098                 field = (f->fmt.pix.height > maxh/2)
1099                         ? V4L2_FIELD_INTERLACED
1100                         : V4L2_FIELD_BOTTOM;
1101         }
1102
1103         switch (field) {
1104         case V4L2_FIELD_TOP:
1105         case V4L2_FIELD_BOTTOM:
1106                 maxh = maxh / 2;
1107                 break;
1108         case V4L2_FIELD_INTERLACED:
1109                 break;
1110         default:
1111                 return -EINVAL;
1112         }
1113
1114         f->fmt.pix.field = field;
1115         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1116                               &f->fmt.pix.height, 32, maxh, 0, 0);
1117         f->fmt.pix.bytesperline =
1118                 (f->fmt.pix.width * fmt->depth) >> 3;
1119         f->fmt.pix.sizeimage =
1120                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1121
1122         return 0;
1123 }
1124
1125 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1126                                         struct v4l2_format *f)
1127 {
1128         struct cx8800_fh  *fh   = priv;
1129         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1130
1131         if (0 != err)
1132                 return err;
1133         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1134         fh->width      = f->fmt.pix.width;
1135         fh->height     = f->fmt.pix.height;
1136         fh->vidq.field = f->fmt.pix.field;
1137         return 0;
1138 }
1139
1140 static int vidioc_querycap (struct file *file, void  *priv,
1141                                         struct v4l2_capability *cap)
1142 {
1143         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1144         struct cx88_core  *core = dev->core;
1145
1146         strcpy(cap->driver, "cx8800");
1147         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1148         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1149         cap->version = CX88_VERSION_CODE;
1150         cap->capabilities =
1151                 V4L2_CAP_VIDEO_CAPTURE |
1152                 V4L2_CAP_READWRITE     |
1153                 V4L2_CAP_STREAMING     |
1154                 V4L2_CAP_VBI_CAPTURE;
1155         if (UNSET != core->board.tuner_type)
1156                 cap->capabilities |= V4L2_CAP_TUNER;
1157         return 0;
1158 }
1159
1160 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1161                                         struct v4l2_fmtdesc *f)
1162 {
1163         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1164                 return -EINVAL;
1165
1166         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1167         f->pixelformat = formats[f->index].fourcc;
1168
1169         return 0;
1170 }
1171
1172 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1173 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1174 {
1175         struct cx8800_fh           *fh  = priv;
1176
1177         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1178 }
1179 #endif
1180
1181 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1182 {
1183         struct cx8800_fh  *fh   = priv;
1184         return (videobuf_reqbufs(get_queue(fh), p));
1185 }
1186
1187 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1188 {
1189         struct cx8800_fh  *fh   = priv;
1190         return (videobuf_querybuf(get_queue(fh), p));
1191 }
1192
1193 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1194 {
1195         struct cx8800_fh  *fh   = priv;
1196         return (videobuf_qbuf(get_queue(fh), p));
1197 }
1198
1199 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1200 {
1201         struct cx8800_fh  *fh   = priv;
1202         return (videobuf_dqbuf(get_queue(fh), p,
1203                                 file->f_flags & O_NONBLOCK));
1204 }
1205
1206 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1207 {
1208         struct cx8800_fh  *fh   = priv;
1209         struct cx8800_dev *dev  = fh->dev;
1210
1211         /* We should remember that this driver also supports teletext,  */
1212         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1213         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1214                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1215                 return -EINVAL;
1216
1217         if (unlikely(i != fh->type))
1218                 return -EINVAL;
1219
1220         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1221                 return -EBUSY;
1222         return videobuf_streamon(get_queue(fh));
1223 }
1224
1225 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1226 {
1227         struct cx8800_fh  *fh   = priv;
1228         struct cx8800_dev *dev  = fh->dev;
1229         int               err, res;
1230
1231         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1232             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1233                 return -EINVAL;
1234
1235         if (i != fh->type)
1236                 return -EINVAL;
1237
1238         res = get_ressource(fh);
1239         err = videobuf_streamoff(get_queue(fh));
1240         if (err < 0)
1241                 return err;
1242         res_free(dev,fh,res);
1243         return 0;
1244 }
1245
1246 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1247 {
1248         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1249
1250         mutex_lock(&core->lock);
1251         cx88_set_tvnorm(core,*tvnorms);
1252         mutex_unlock(&core->lock);
1253
1254         return 0;
1255 }
1256
1257 /* only one input in this sample driver */
1258 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1259 {
1260         static const char *iname[] = {
1261                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1262                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1263                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1264                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1265                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1266                 [ CX88_VMUX_TELEVISION ] = "Television",
1267                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1268                 [ CX88_VMUX_DVB        ] = "DVB",
1269                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1270         };
1271         unsigned int n = i->index;
1272
1273         if (n >= 4)
1274                 return -EINVAL;
1275         if (0 == INPUT(n).type)
1276                 return -EINVAL;
1277         i->type  = V4L2_INPUT_TYPE_CAMERA;
1278         strcpy(i->name,iname[INPUT(n).type]);
1279         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1280             (CX88_VMUX_CABLE      == INPUT(n).type))
1281                 i->type = V4L2_INPUT_TYPE_TUNER;
1282                 i->std = CX88_NORMS;
1283         return 0;
1284 }
1285 EXPORT_SYMBOL(cx88_enum_input);
1286
1287 static int vidioc_enum_input (struct file *file, void *priv,
1288                                 struct v4l2_input *i)
1289 {
1290         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1291         return cx88_enum_input (core,i);
1292 }
1293
1294 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1295 {
1296         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1297
1298         *i = core->input;
1299         return 0;
1300 }
1301
1302 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1303 {
1304         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1305
1306         if (i >= 4)
1307                 return -EINVAL;
1308
1309         mutex_lock(&core->lock);
1310         cx88_newstation(core);
1311         cx88_video_mux(core,i);
1312         mutex_unlock(&core->lock);
1313         return 0;
1314 }
1315
1316
1317
1318 static int vidioc_queryctrl (struct file *file, void *priv,
1319                                 struct v4l2_queryctrl *qctrl)
1320 {
1321         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1322
1323         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1324         if (unlikely(qctrl->id == 0))
1325                 return -EINVAL;
1326         return cx8800_ctrl_query(core, qctrl);
1327 }
1328
1329 static int vidioc_g_ctrl (struct file *file, void *priv,
1330                                 struct v4l2_control *ctl)
1331 {
1332         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1333         return
1334                 cx88_get_control(core,ctl);
1335 }
1336
1337 static int vidioc_s_ctrl (struct file *file, void *priv,
1338                                 struct v4l2_control *ctl)
1339 {
1340         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1341         return
1342                 cx88_set_control(core,ctl);
1343 }
1344
1345 static int vidioc_g_tuner (struct file *file, void *priv,
1346                                 struct v4l2_tuner *t)
1347 {
1348         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1349         u32 reg;
1350
1351         if (unlikely(UNSET == core->board.tuner_type))
1352                 return -EINVAL;
1353         if (0 != t->index)
1354                 return -EINVAL;
1355
1356         strcpy(t->name, "Television");
1357         t->type       = V4L2_TUNER_ANALOG_TV;
1358         t->capability = V4L2_TUNER_CAP_NORM;
1359         t->rangehigh  = 0xffffffffUL;
1360
1361         cx88_get_stereo(core ,t);
1362         reg = cx_read(MO_DEVICE_STATUS);
1363         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1364         return 0;
1365 }
1366
1367 static int vidioc_s_tuner (struct file *file, void *priv,
1368                                 struct v4l2_tuner *t)
1369 {
1370         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1371
1372         if (UNSET == core->board.tuner_type)
1373                 return -EINVAL;
1374         if (0 != t->index)
1375                 return -EINVAL;
1376
1377         cx88_set_stereo(core, t->audmode, 1);
1378         return 0;
1379 }
1380
1381 static int vidioc_g_frequency (struct file *file, void *priv,
1382                                 struct v4l2_frequency *f)
1383 {
1384         struct cx8800_fh  *fh   = priv;
1385         struct cx88_core  *core = fh->dev->core;
1386
1387         if (unlikely(UNSET == core->board.tuner_type))
1388                 return -EINVAL;
1389
1390         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1391         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1392         f->frequency = core->freq;
1393
1394         call_all(core, tuner, g_frequency, f);
1395
1396         return 0;
1397 }
1398
1399 int cx88_set_freq (struct cx88_core  *core,
1400                                 struct v4l2_frequency *f)
1401 {
1402         if (unlikely(UNSET == core->board.tuner_type))
1403                 return -EINVAL;
1404         if (unlikely(f->tuner != 0))
1405                 return -EINVAL;
1406
1407         mutex_lock(&core->lock);
1408         core->freq = f->frequency;
1409         cx88_newstation(core);
1410         call_all(core, tuner, s_frequency, f);
1411
1412         /* When changing channels it is required to reset TVAUDIO */
1413         msleep (10);
1414         cx88_set_tvaudio(core);
1415
1416         mutex_unlock(&core->lock);
1417
1418         return 0;
1419 }
1420 EXPORT_SYMBOL(cx88_set_freq);
1421
1422 static int vidioc_s_frequency (struct file *file, void *priv,
1423                                 struct v4l2_frequency *f)
1424 {
1425         struct cx8800_fh  *fh   = priv;
1426         struct cx88_core  *core = fh->dev->core;
1427
1428         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1429                 return -EINVAL;
1430         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1431                 return -EINVAL;
1432
1433         return
1434                 cx88_set_freq (core,f);
1435 }
1436
1437 #ifdef CONFIG_VIDEO_ADV_DEBUG
1438 static int vidioc_g_register (struct file *file, void *fh,
1439                                 struct v4l2_dbg_register *reg)
1440 {
1441         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1442
1443         if (!v4l2_chip_match_host(&reg->match))
1444                 return -EINVAL;
1445         /* cx2388x has a 24-bit register space */
1446         reg->val = cx_read(reg->reg & 0xffffff);
1447         reg->size = 4;
1448         return 0;
1449 }
1450
1451 static int vidioc_s_register (struct file *file, void *fh,
1452                                 struct v4l2_dbg_register *reg)
1453 {
1454         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1455
1456         if (!v4l2_chip_match_host(&reg->match))
1457                 return -EINVAL;
1458         cx_write(reg->reg & 0xffffff, reg->val);
1459         return 0;
1460 }
1461 #endif
1462
1463 /* ----------------------------------------------------------- */
1464 /* RADIO ESPECIFIC IOCTLS                                      */
1465 /* ----------------------------------------------------------- */
1466
1467 static int radio_querycap (struct file *file, void  *priv,
1468                                         struct v4l2_capability *cap)
1469 {
1470         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1471         struct cx88_core  *core = dev->core;
1472
1473         strcpy(cap->driver, "cx8800");
1474         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1475         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1476         cap->version = CX88_VERSION_CODE;
1477         cap->capabilities = V4L2_CAP_TUNER;
1478         return 0;
1479 }
1480
1481 static int radio_g_tuner (struct file *file, void *priv,
1482                                 struct v4l2_tuner *t)
1483 {
1484         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1485
1486         if (unlikely(t->index > 0))
1487                 return -EINVAL;
1488
1489         strcpy(t->name, "Radio");
1490         t->type = V4L2_TUNER_RADIO;
1491
1492         call_all(core, tuner, g_tuner, t);
1493         return 0;
1494 }
1495
1496 static int radio_enum_input (struct file *file, void *priv,
1497                                 struct v4l2_input *i)
1498 {
1499         if (i->index != 0)
1500                 return -EINVAL;
1501         strcpy(i->name,"Radio");
1502         i->type = V4L2_INPUT_TYPE_TUNER;
1503
1504         return 0;
1505 }
1506
1507 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1508 {
1509         if (unlikely(a->index))
1510                 return -EINVAL;
1511
1512         strcpy(a->name,"Radio");
1513         return 0;
1514 }
1515
1516 /* FIXME: Should add a standard for radio */
1517
1518 static int radio_s_tuner (struct file *file, void *priv,
1519                                 struct v4l2_tuner *t)
1520 {
1521         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1522
1523         if (0 != t->index)
1524                 return -EINVAL;
1525
1526         call_all(core, tuner, s_tuner, t);
1527
1528         return 0;
1529 }
1530
1531 static int radio_s_audio (struct file *file, void *fh,
1532                           struct v4l2_audio *a)
1533 {
1534         return 0;
1535 }
1536
1537 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1538 {
1539         return 0;
1540 }
1541
1542 static int radio_queryctrl (struct file *file, void *priv,
1543                             struct v4l2_queryctrl *c)
1544 {
1545         int i;
1546
1547         if (c->id <  V4L2_CID_BASE ||
1548                 c->id >= V4L2_CID_LASTP1)
1549                 return -EINVAL;
1550         if (c->id == V4L2_CID_AUDIO_MUTE) {
1551                 for (i = 0; i < CX8800_CTLS; i++)
1552                         if (cx8800_ctls[i].v.id == c->id)
1553                                 break;
1554                 *c = cx8800_ctls[i].v;
1555         } else
1556                 *c = no_ctl;
1557         return 0;
1558 }
1559
1560 /* ----------------------------------------------------------- */
1561
1562 static void cx8800_vid_timeout(unsigned long data)
1563 {
1564         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1565         struct cx88_core *core = dev->core;
1566         struct cx88_dmaqueue *q = &dev->vidq;
1567         struct cx88_buffer *buf;
1568         unsigned long flags;
1569
1570         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1571
1572         cx_clear(MO_VID_DMACNTRL, 0x11);
1573         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1574
1575         spin_lock_irqsave(&dev->slock,flags);
1576         while (!list_empty(&q->active)) {
1577                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1578                 list_del(&buf->vb.queue);
1579                 buf->vb.state = VIDEOBUF_ERROR;
1580                 wake_up(&buf->vb.done);
1581                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1582                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1583         }
1584         restart_video_queue(dev,q);
1585         spin_unlock_irqrestore(&dev->slock,flags);
1586 }
1587
1588 static char *cx88_vid_irqs[32] = {
1589         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1590         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1591         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1592         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1593         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1594 };
1595
1596 static void cx8800_vid_irq(struct cx8800_dev *dev)
1597 {
1598         struct cx88_core *core = dev->core;
1599         u32 status, mask, count;
1600
1601         status = cx_read(MO_VID_INTSTAT);
1602         mask   = cx_read(MO_VID_INTMSK);
1603         if (0 == (status & mask))
1604                 return;
1605         cx_write(MO_VID_INTSTAT, status);
1606         if (irq_debug  ||  (status & mask & ~0xff))
1607                 cx88_print_irqbits(core->name, "irq vid",
1608                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1609                                    status, mask);
1610
1611         /* risc op code error */
1612         if (status & (1 << 16)) {
1613                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1614                 cx_clear(MO_VID_DMACNTRL, 0x11);
1615                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1616                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1617         }
1618
1619         /* risc1 y */
1620         if (status & 0x01) {
1621                 spin_lock(&dev->slock);
1622                 count = cx_read(MO_VIDY_GPCNT);
1623                 cx88_wakeup(core, &dev->vidq, count);
1624                 spin_unlock(&dev->slock);
1625         }
1626
1627         /* risc1 vbi */
1628         if (status & 0x08) {
1629                 spin_lock(&dev->slock);
1630                 count = cx_read(MO_VBI_GPCNT);
1631                 cx88_wakeup(core, &dev->vbiq, count);
1632                 spin_unlock(&dev->slock);
1633         }
1634
1635         /* risc2 y */
1636         if (status & 0x10) {
1637                 dprintk(2,"stopper video\n");
1638                 spin_lock(&dev->slock);
1639                 restart_video_queue(dev,&dev->vidq);
1640                 spin_unlock(&dev->slock);
1641         }
1642
1643         /* risc2 vbi */
1644         if (status & 0x80) {
1645                 dprintk(2,"stopper vbi\n");
1646                 spin_lock(&dev->slock);
1647                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1648                 spin_unlock(&dev->slock);
1649         }
1650 }
1651
1652 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1653 {
1654         struct cx8800_dev *dev = dev_id;
1655         struct cx88_core *core = dev->core;
1656         u32 status;
1657         int loop, handled = 0;
1658
1659         for (loop = 0; loop < 10; loop++) {
1660                 status = cx_read(MO_PCI_INTSTAT) &
1661                         (core->pci_irqmask | PCI_INT_VIDINT);
1662                 if (0 == status)
1663                         goto out;
1664                 cx_write(MO_PCI_INTSTAT, status);
1665                 handled = 1;
1666
1667                 if (status & core->pci_irqmask)
1668                         cx88_core_irq(core,status);
1669                 if (status & PCI_INT_VIDINT)
1670                         cx8800_vid_irq(dev);
1671         };
1672         if (10 == loop) {
1673                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1674                        core->name);
1675                 cx_write(MO_PCI_INTMSK,0);
1676         }
1677
1678  out:
1679         return IRQ_RETVAL(handled);
1680 }
1681
1682 /* ----------------------------------------------------------- */
1683 /* exported stuff                                              */
1684
1685 static const struct v4l2_file_operations video_fops =
1686 {
1687         .owner         = THIS_MODULE,
1688         .open          = video_open,
1689         .release       = video_release,
1690         .read          = video_read,
1691         .poll          = video_poll,
1692         .mmap          = video_mmap,
1693         .ioctl         = video_ioctl2,
1694 };
1695
1696 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1697         .vidioc_querycap      = vidioc_querycap,
1698         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1699         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1700         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1701         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1702         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1703         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1704         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1705         .vidioc_reqbufs       = vidioc_reqbufs,
1706         .vidioc_querybuf      = vidioc_querybuf,
1707         .vidioc_qbuf          = vidioc_qbuf,
1708         .vidioc_dqbuf         = vidioc_dqbuf,
1709         .vidioc_s_std         = vidioc_s_std,
1710         .vidioc_enum_input    = vidioc_enum_input,
1711         .vidioc_g_input       = vidioc_g_input,
1712         .vidioc_s_input       = vidioc_s_input,
1713         .vidioc_queryctrl     = vidioc_queryctrl,
1714         .vidioc_g_ctrl        = vidioc_g_ctrl,
1715         .vidioc_s_ctrl        = vidioc_s_ctrl,
1716         .vidioc_streamon      = vidioc_streamon,
1717         .vidioc_streamoff     = vidioc_streamoff,
1718 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1719         .vidiocgmbuf          = vidiocgmbuf,
1720 #endif
1721         .vidioc_g_tuner       = vidioc_g_tuner,
1722         .vidioc_s_tuner       = vidioc_s_tuner,
1723         .vidioc_g_frequency   = vidioc_g_frequency,
1724         .vidioc_s_frequency   = vidioc_s_frequency,
1725 #ifdef CONFIG_VIDEO_ADV_DEBUG
1726         .vidioc_g_register    = vidioc_g_register,
1727         .vidioc_s_register    = vidioc_s_register,
1728 #endif
1729 };
1730
1731 static struct video_device cx8800_vbi_template;
1732
1733 static struct video_device cx8800_video_template = {
1734         .name                 = "cx8800-video",
1735         .fops                 = &video_fops,
1736         .minor                = -1,
1737         .ioctl_ops            = &video_ioctl_ops,
1738         .tvnorms              = CX88_NORMS,
1739         .current_norm         = V4L2_STD_NTSC_M,
1740 };
1741
1742 static const struct v4l2_file_operations radio_fops =
1743 {
1744         .owner         = THIS_MODULE,
1745         .open          = video_open,
1746         .release       = video_release,
1747         .ioctl         = video_ioctl2,
1748 };
1749
1750 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1751         .vidioc_querycap      = radio_querycap,
1752         .vidioc_g_tuner       = radio_g_tuner,
1753         .vidioc_enum_input    = radio_enum_input,
1754         .vidioc_g_audio       = radio_g_audio,
1755         .vidioc_s_tuner       = radio_s_tuner,
1756         .vidioc_s_audio       = radio_s_audio,
1757         .vidioc_s_input       = radio_s_input,
1758         .vidioc_queryctrl     = radio_queryctrl,
1759         .vidioc_g_ctrl        = vidioc_g_ctrl,
1760         .vidioc_s_ctrl        = vidioc_s_ctrl,
1761         .vidioc_g_frequency   = vidioc_g_frequency,
1762         .vidioc_s_frequency   = vidioc_s_frequency,
1763 #ifdef CONFIG_VIDEO_ADV_DEBUG
1764         .vidioc_g_register    = vidioc_g_register,
1765         .vidioc_s_register    = vidioc_s_register,
1766 #endif
1767 };
1768
1769 static struct video_device cx8800_radio_template = {
1770         .name                 = "cx8800-radio",
1771         .fops                 = &radio_fops,
1772         .minor                = -1,
1773         .ioctl_ops            = &radio_ioctl_ops,
1774 };
1775
1776 /* ----------------------------------------------------------- */
1777
1778 static void cx8800_unregister_video(struct cx8800_dev *dev)
1779 {
1780         if (dev->radio_dev) {
1781                 if (-1 != dev->radio_dev->minor)
1782                         video_unregister_device(dev->radio_dev);
1783                 else
1784                         video_device_release(dev->radio_dev);
1785                 dev->radio_dev = NULL;
1786         }
1787         if (dev->vbi_dev) {
1788                 if (-1 != dev->vbi_dev->minor)
1789                         video_unregister_device(dev->vbi_dev);
1790                 else
1791                         video_device_release(dev->vbi_dev);
1792                 dev->vbi_dev = NULL;
1793         }
1794         if (dev->video_dev) {
1795                 if (-1 != dev->video_dev->minor)
1796                         video_unregister_device(dev->video_dev);
1797                 else
1798                         video_device_release(dev->video_dev);
1799                 dev->video_dev = NULL;
1800         }
1801 }
1802
1803 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1804                                     const struct pci_device_id *pci_id)
1805 {
1806         struct cx8800_dev *dev;
1807         struct cx88_core *core;
1808
1809         int err;
1810
1811         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1812         if (NULL == dev)
1813                 return -ENOMEM;
1814
1815         /* pci init */
1816         dev->pci = pci_dev;
1817         if (pci_enable_device(pci_dev)) {
1818                 err = -EIO;
1819                 goto fail_free;
1820         }
1821         core = cx88_core_get(dev->pci);
1822         if (NULL == core) {
1823                 err = -EINVAL;
1824                 goto fail_free;
1825         }
1826         dev->core = core;
1827
1828         /* print pci info */
1829         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1830         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1831         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1832                "latency: %d, mmio: 0x%llx\n", core->name,
1833                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1834                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1835
1836         pci_set_master(pci_dev);
1837         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1838                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1839                 err = -EIO;
1840                 goto fail_core;
1841         }
1842
1843         /* Initialize VBI template */
1844         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1845                 sizeof(cx8800_vbi_template) );
1846         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1847
1848         /* initialize driver struct */
1849         spin_lock_init(&dev->slock);
1850         core->tvnorm = cx8800_video_template.current_norm;
1851
1852         /* init video dma queues */
1853         INIT_LIST_HEAD(&dev->vidq.active);
1854         INIT_LIST_HEAD(&dev->vidq.queued);
1855         dev->vidq.timeout.function = cx8800_vid_timeout;
1856         dev->vidq.timeout.data     = (unsigned long)dev;
1857         init_timer(&dev->vidq.timeout);
1858         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1859                           MO_VID_DMACNTRL,0x11,0x00);
1860
1861         /* init vbi dma queues */
1862         INIT_LIST_HEAD(&dev->vbiq.active);
1863         INIT_LIST_HEAD(&dev->vbiq.queued);
1864         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1865         dev->vbiq.timeout.data     = (unsigned long)dev;
1866         init_timer(&dev->vbiq.timeout);
1867         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1868                           MO_VID_DMACNTRL,0x88,0x00);
1869
1870         /* get irq */
1871         err = request_irq(pci_dev->irq, cx8800_irq,
1872                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1873         if (err < 0) {
1874                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1875                        core->name,pci_dev->irq);
1876                 goto fail_core;
1877         }
1878         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1879
1880         /* load and configure helper modules */
1881
1882         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1883                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1884                                 "wm8775", "wm8775", 0x36 >> 1, NULL);
1885
1886         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1887                 /* This probes for a tda9874 as is used on some
1888                    Pixelview Ultra boards. */
1889                 v4l2_i2c_new_subdev(&core->v4l2_dev,
1890                                 &core->i2c_adap,
1891                                 "tvaudio", "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1892         }
1893
1894         switch (core->boardnr) {
1895         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1896         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1897                 static struct i2c_board_info rtc_info = {
1898                         I2C_BOARD_INFO("isl1208", 0x6f)
1899                 };
1900
1901                 request_module("rtc-isl1208");
1902                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1903         }
1904                 /* break intentionally omitted */
1905         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1906                 request_module("ir-kbd-i2c");
1907         }
1908
1909         /* register v4l devices */
1910         dev->video_dev = cx88_vdev_init(core,dev->pci,
1911                                         &cx8800_video_template,"video");
1912         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1913                                     video_nr[core->nr]);
1914         if (err < 0) {
1915                 printk(KERN_ERR "%s/0: can't register video device\n",
1916                        core->name);
1917                 goto fail_unreg;
1918         }
1919         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1920                core->name, dev->video_dev->num);
1921
1922         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1923         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1924                                     vbi_nr[core->nr]);
1925         if (err < 0) {
1926                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1927                        core->name);
1928                 goto fail_unreg;
1929         }
1930         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1931                core->name, dev->vbi_dev->num);
1932
1933         if (core->board.radio.type == CX88_RADIO) {
1934                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1935                                                 &cx8800_radio_template,"radio");
1936                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1937                                             radio_nr[core->nr]);
1938                 if (err < 0) {
1939                         printk(KERN_ERR "%s/0: can't register radio device\n",
1940                                core->name);
1941                         goto fail_unreg;
1942                 }
1943                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1944                        core->name, dev->radio_dev->num);
1945         }
1946
1947         /* everything worked */
1948         list_add_tail(&dev->devlist,&cx8800_devlist);
1949         pci_set_drvdata(pci_dev,dev);
1950
1951         /* initial device configuration */
1952         mutex_lock(&core->lock);
1953         cx88_set_tvnorm(core,core->tvnorm);
1954         init_controls(core);
1955         cx88_video_mux(core,0);
1956         mutex_unlock(&core->lock);
1957
1958         /* start tvaudio thread */
1959         if (core->board.tuner_type != TUNER_ABSENT) {
1960                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1961                 if (IS_ERR(core->kthread)) {
1962                         err = PTR_ERR(core->kthread);
1963                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1964                                core->name, err);
1965                 }
1966         }
1967         return 0;
1968
1969 fail_unreg:
1970         cx8800_unregister_video(dev);
1971         free_irq(pci_dev->irq, dev);
1972 fail_core:
1973         cx88_core_put(core,dev->pci);
1974 fail_free:
1975         kfree(dev);
1976         return err;
1977 }
1978
1979 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1980 {
1981         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1982         struct cx88_core *core = dev->core;
1983
1984         /* stop thread */
1985         if (core->kthread) {
1986                 kthread_stop(core->kthread);
1987                 core->kthread = NULL;
1988         }
1989
1990         if (core->ir)
1991                 cx88_ir_stop(core, core->ir);
1992
1993         cx88_shutdown(core); /* FIXME */
1994         pci_disable_device(pci_dev);
1995
1996         /* unregister stuff */
1997
1998         free_irq(pci_dev->irq, dev);
1999         cx8800_unregister_video(dev);
2000         pci_set_drvdata(pci_dev, NULL);
2001
2002         /* free memory */
2003         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2004         list_del(&dev->devlist);
2005         cx88_core_put(core,dev->pci);
2006         kfree(dev);
2007 }
2008
2009 #ifdef CONFIG_PM
2010 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2011 {
2012         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2013         struct cx88_core *core = dev->core;
2014
2015         /* stop video+vbi capture */
2016         spin_lock(&dev->slock);
2017         if (!list_empty(&dev->vidq.active)) {
2018                 printk("%s/0: suspend video\n", core->name);
2019                 stop_video_dma(dev);
2020                 del_timer(&dev->vidq.timeout);
2021         }
2022         if (!list_empty(&dev->vbiq.active)) {
2023                 printk("%s/0: suspend vbi\n", core->name);
2024                 cx8800_stop_vbi_dma(dev);
2025                 del_timer(&dev->vbiq.timeout);
2026         }
2027         spin_unlock(&dev->slock);
2028
2029         if (core->ir)
2030                 cx88_ir_stop(core, core->ir);
2031         /* FIXME -- shutdown device */
2032         cx88_shutdown(core);
2033
2034         pci_save_state(pci_dev);
2035         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2036                 pci_disable_device(pci_dev);
2037                 dev->state.disabled = 1;
2038         }
2039         return 0;
2040 }
2041
2042 static int cx8800_resume(struct pci_dev *pci_dev)
2043 {
2044         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2045         struct cx88_core *core = dev->core;
2046         int err;
2047
2048         if (dev->state.disabled) {
2049                 err=pci_enable_device(pci_dev);
2050                 if (err) {
2051                         printk(KERN_ERR "%s/0: can't enable device\n",
2052                                core->name);
2053                         return err;
2054                 }
2055
2056                 dev->state.disabled = 0;
2057         }
2058         err= pci_set_power_state(pci_dev, PCI_D0);
2059         if (err) {
2060                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2061                 pci_disable_device(pci_dev);
2062                 dev->state.disabled = 1;
2063
2064                 return err;
2065         }
2066         pci_restore_state(pci_dev);
2067
2068         /* FIXME: re-initialize hardware */
2069         cx88_reset(core);
2070         if (core->ir)
2071                 cx88_ir_start(core, core->ir);
2072
2073         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2074
2075         /* restart video+vbi capture */
2076         spin_lock(&dev->slock);
2077         if (!list_empty(&dev->vidq.active)) {
2078                 printk("%s/0: resume video\n", core->name);
2079                 restart_video_queue(dev,&dev->vidq);
2080         }
2081         if (!list_empty(&dev->vbiq.active)) {
2082                 printk("%s/0: resume vbi\n", core->name);
2083                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2084         }
2085         spin_unlock(&dev->slock);
2086
2087         return 0;
2088 }
2089 #endif
2090
2091 /* ----------------------------------------------------------- */
2092
2093 static struct pci_device_id cx8800_pci_tbl[] = {
2094         {
2095                 .vendor       = 0x14f1,
2096                 .device       = 0x8800,
2097                 .subvendor    = PCI_ANY_ID,
2098                 .subdevice    = PCI_ANY_ID,
2099         },{
2100                 /* --- end of list --- */
2101         }
2102 };
2103 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2104
2105 static struct pci_driver cx8800_pci_driver = {
2106         .name     = "cx8800",
2107         .id_table = cx8800_pci_tbl,
2108         .probe    = cx8800_initdev,
2109         .remove   = __devexit_p(cx8800_finidev),
2110 #ifdef CONFIG_PM
2111         .suspend  = cx8800_suspend,
2112         .resume   = cx8800_resume,
2113 #endif
2114 };
2115
2116 static int __init cx8800_init(void)
2117 {
2118         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2119                (CX88_VERSION_CODE >> 16) & 0xff,
2120                (CX88_VERSION_CODE >>  8) & 0xff,
2121                CX88_VERSION_CODE & 0xff);
2122 #ifdef SNAPSHOT
2123         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2124                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2125 #endif
2126         return pci_register_driver(&cx8800_pci_driver);
2127 }
2128
2129 static void __exit cx8800_fini(void)
2130 {
2131         pci_unregister_driver(&cx8800_pci_driver);
2132 }
2133
2134 module_init(cx8800_init);
2135 module_exit(cx8800_fini);
2136
2137 /* ----------------------------------------------------------- */
2138 /*
2139  * Local variables:
2140  * c-basic-offset: 8
2141  * End:
2142  * 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
2143  */