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   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 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  45 /* Include V4L1 specific functions. Should be removed soon */
  46 #include <linux/videodev.h>
  47 #endif
  48
  49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  51 MODULE_LICENSE("GPL");
  52
  53 /* ------------------------------------------------------------------ */
  54
  55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  58
  59 module_param_array(video_nr, int, NULL, 0444);
  60 module_param_array(vbi_nr,   int, NULL, 0444);
  61 module_param_array(radio_nr, int, NULL, 0444);
  62
  63 MODULE_PARM_DESC(video_nr,"video device numbers");
  64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  66
  67 static unsigned int video_debug;
  68 module_param(video_debug,int,0644);
  69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  70
  71 static unsigned int irq_debug;
  72 module_param(irq_debug,int,0644);
  73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  74
  75 static unsigned int vid_limit = 16;
  76 module_param(vid_limit,int,0644);
  77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  78
  79 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  80         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  81
  82 /* ------------------------------------------------------------------ */
  83
  84 static LIST_HEAD(cx8800_devlist);
  85
  86 /* ------------------------------------------------------------------- */
  87 /* static data                                                         */
  88
  89 static struct cx8800_fmt formats[] = {
  90         {
  91                 .name     = "8 bpp, gray",
  92                 .fourcc   = V4L2_PIX_FMT_GREY,
  93                 .cxformat = ColorFormatY8,
  94                 .depth    = 8,
  95                 .flags    = FORMAT_FLAGS_PACKED,
  96         },{
  97                 .name     = "15 bpp RGB, le",
  98                 .fourcc   = V4L2_PIX_FMT_RGB555,
  99                 .cxformat = ColorFormatRGB15,
 100                 .depth    = 16,
 101                 .flags    = FORMAT_FLAGS_PACKED,
 102         },{
 103                 .name     = "15 bpp RGB, be",
 104                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 105                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 106                 .depth    = 16,
 107                 .flags    = FORMAT_FLAGS_PACKED,
 108         },{
 109                 .name     = "16 bpp RGB, le",
 110                 .fourcc   = V4L2_PIX_FMT_RGB565,
 111                 .cxformat = ColorFormatRGB16,
 112                 .depth    = 16,
 113                 .flags    = FORMAT_FLAGS_PACKED,
 114         },{
 115                 .name     = "16 bpp RGB, be",
 116                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 117                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 118                 .depth    = 16,
 119                 .flags    = FORMAT_FLAGS_PACKED,
 120         },{
 121                 .name     = "24 bpp RGB, le",
 122                 .fourcc   = V4L2_PIX_FMT_BGR24,
 123                 .cxformat = ColorFormatRGB24,
 124                 .depth    = 24,
 125                 .flags    = FORMAT_FLAGS_PACKED,
 126         },{
 127                 .name     = "32 bpp RGB, le",
 128                 .fourcc   = V4L2_PIX_FMT_BGR32,
 129                 .cxformat = ColorFormatRGB32,
 130                 .depth    = 32,
 131                 .flags    = FORMAT_FLAGS_PACKED,
 132         },{
 133                 .name     = "32 bpp RGB, be",
 134                 .fourcc   = V4L2_PIX_FMT_RGB32,
 135                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 136                 .depth    = 32,
 137                 .flags    = FORMAT_FLAGS_PACKED,
 138         },{
 139                 .name     = "4:2:2, packed, YUYV",
 140                 .fourcc   = V4L2_PIX_FMT_YUYV,
 141                 .cxformat = ColorFormatYUY2,
 142                 .depth    = 16,
 143                 .flags    = FORMAT_FLAGS_PACKED,
 144         },{
 145                 .name     = "4:2:2, packed, UYVY",
 146                 .fourcc   = V4L2_PIX_FMT_UYVY,
 147                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 148                 .depth    = 16,
 149                 .flags    = FORMAT_FLAGS_PACKED,
 150         },
 151 };
 152
 153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 154 {
 155         unsigned int i;
 156
 157         for (i = 0; i < ARRAY_SIZE(formats); i++)
 158                 if (formats[i].fourcc == fourcc)
 159                         return formats+i;
 160         return NULL;
 161 }
 162
 163 /* ------------------------------------------------------------------- */
 164
 165 static const struct v4l2_queryctrl no_ctl = {
 166         .name  = "42",
 167         .flags = V4L2_CTRL_FLAG_DISABLED,
 168 };
 169
 170 static struct cx88_ctrl cx8800_ctls[] = {
 171         /* --- video --- */
 172         {
 173                 .v = {
 174                         .id            = V4L2_CID_BRIGHTNESS,
 175                         .name          = "Brightness",
 176                         .minimum       = 0x00,
 177                         .maximum       = 0xff,
 178                         .step          = 1,
 179                         .default_value = 0x7f,
 180                         .type          = V4L2_CTRL_TYPE_INTEGER,
 181                 },
 182                 .off                   = 128,
 183                 .reg                   = MO_CONTR_BRIGHT,
 184                 .mask                  = 0x00ff,
 185                 .shift                 = 0,
 186         },{
 187                 .v = {
 188                         .id            = V4L2_CID_CONTRAST,
 189                         .name          = "Contrast",
 190                         .minimum       = 0,
 191                         .maximum       = 0xff,
 192                         .step          = 1,
 193                         .default_value = 0x3f,
 194                         .type          = V4L2_CTRL_TYPE_INTEGER,
 195                 },
 196                 .off                   = 0,
 197                 .reg                   = MO_CONTR_BRIGHT,
 198                 .mask                  = 0xff00,
 199                 .shift                 = 8,
 200         },{
 201                 .v = {
 202                         .id            = V4L2_CID_HUE,
 203                         .name          = "Hue",
 204                         .minimum       = 0,
 205                         .maximum       = 0xff,
 206                         .step          = 1,
 207                         .default_value = 0x7f,
 208                         .type          = V4L2_CTRL_TYPE_INTEGER,
 209                 },
 210                 .off                   = 128,
 211                 .reg                   = MO_HUE,
 212                 .mask                  = 0x00ff,
 213                 .shift                 = 0,
 214         },{
 215                 /* strictly, this only describes only U saturation.
 216                  * V saturation is handled specially through code.
 217                  */
 218                 .v = {
 219                         .id            = V4L2_CID_SATURATION,
 220                         .name          = "Saturation",
 221                         .minimum       = 0,
 222                         .maximum       = 0xff,
 223                         .step          = 1,
 224                         .default_value = 0x7f,
 225                         .type          = V4L2_CTRL_TYPE_INTEGER,
 226                 },
 227                 .off                   = 0,
 228                 .reg                   = MO_UV_SATURATION,
 229                 .mask                  = 0x00ff,
 230                 .shift                 = 0,
 231         },{
 232                 .v = {
 233                         .id            = V4L2_CID_CHROMA_AGC,
 234                         .name          = "Chroma AGC",
 235                         .minimum       = 0,
 236                         .maximum       = 1,
 237                         .default_value = 0x1,
 238                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 239                 },
 240                 .reg                   = MO_INPUT_FORMAT,
 241                 .mask                  = 1 << 10,
 242                 .shift                 = 10,
 243         }, {
 244                 .v = {
 245                         .id            = V4L2_CID_COLOR_KILLER,
 246                         .name          = "Color killer",
 247                         .minimum       = 0,
 248                         .maximum       = 1,
 249                         .default_value = 0x1,
 250                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 251                 },
 252                 .reg                   = MO_INPUT_FORMAT,
 253                 .mask                  = 1 << 9,
 254                 .shift                 = 9,
 255         }, {
 256         /* --- audio --- */
 257                 .v = {
 258                         .id            = V4L2_CID_AUDIO_MUTE,
 259                         .name          = "Mute",
 260                         .minimum       = 0,
 261                         .maximum       = 1,
 262                         .default_value = 1,
 263                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 264                 },
 265                 .reg                   = AUD_VOL_CTL,
 266                 .sreg                  = SHADOW_AUD_VOL_CTL,
 267                 .mask                  = (1 << 6),
 268                 .shift                 = 6,
 269         },{
 270                 .v = {
 271                         .id            = V4L2_CID_AUDIO_VOLUME,
 272                         .name          = "Volume",
 273                         .minimum       = 0,
 274                         .maximum       = 0x3f,
 275                         .step          = 1,
 276                         .default_value = 0x3f,
 277                         .type          = V4L2_CTRL_TYPE_INTEGER,
 278                 },
 279                 .reg                   = AUD_VOL_CTL,
 280                 .sreg                  = SHADOW_AUD_VOL_CTL,
 281                 .mask                  = 0x3f,
 282                 .shift                 = 0,
 283         },{
 284                 .v = {
 285                         .id            = V4L2_CID_AUDIO_BALANCE,
 286                         .name          = "Balance",
 287                         .minimum       = 0,
 288                         .maximum       = 0x7f,
 289                         .step          = 1,
 290                         .default_value = 0x40,
 291                         .type          = V4L2_CTRL_TYPE_INTEGER,
 292                 },
 293                 .reg                   = AUD_BAL_CTL,
 294                 .sreg                  = SHADOW_AUD_BAL_CTL,
 295                 .mask                  = 0x7f,
 296                 .shift                 = 0,
 297         }
 298 };
 299 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 300
 301 /* Must be sorted from low to high control ID! */
 302 const u32 cx88_user_ctrls[] = {
 303         V4L2_CID_USER_CLASS,
 304         V4L2_CID_BRIGHTNESS,
 305         V4L2_CID_CONTRAST,
 306         V4L2_CID_SATURATION,
 307         V4L2_CID_HUE,
 308         V4L2_CID_AUDIO_VOLUME,
 309         V4L2_CID_AUDIO_BALANCE,
 310         V4L2_CID_AUDIO_MUTE,
 311         V4L2_CID_CHROMA_AGC,
 312         V4L2_CID_COLOR_KILLER,
 313         0
 314 };
 315 EXPORT_SYMBOL(cx88_user_ctrls);
 316
 317 static const u32 *ctrl_classes[] = {
 318         cx88_user_ctrls,
 319         NULL
 320 };
 321
 322 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 323 {
 324         int i;
 325
 326         if (qctrl->id < V4L2_CID_BASE ||
 327             qctrl->id >= V4L2_CID_LASTP1)
 328                 return -EINVAL;
 329         for (i = 0; i < CX8800_CTLS; i++)
 330                 if (cx8800_ctls[i].v.id == qctrl->id)
 331                         break;
 332         if (i == CX8800_CTLS) {
 333                 *qctrl = no_ctl;
 334                 return 0;
 335         }
 336         *qctrl = cx8800_ctls[i].v;
 337         /* Report chroma AGC as inactive when SECAM is selected */
 338         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 339             core->tvnorm & V4L2_STD_SECAM)
 340                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 341
 342         return 0;
 343 }
 344 EXPORT_SYMBOL(cx8800_ctrl_query);
 345
 346 /* ------------------------------------------------------------------- */
 347 /* resource management                                                 */
 348
 349 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 350 {
 351         struct cx88_core *core = dev->core;
 352         if (fh->resources & bit)
 353                 /* have it already allocated */
 354                 return 1;
 355
 356         /* is it free? */
 357         mutex_lock(&core->lock);
 358         if (dev->resources & bit) {
 359                 /* no, someone else uses it */
 360                 mutex_unlock(&core->lock);
 361                 return 0;
 362         }
 363         /* it's free, grab it */
 364         fh->resources  |= bit;
 365         dev->resources |= bit;
 366         dprintk(1,"res: get %d\n",bit);
 367         mutex_unlock(&core->lock);
 368         return 1;
 369 }
 370
 371 static
 372 int res_check(struct cx8800_fh *fh, unsigned int bit)
 373 {
 374         return (fh->resources & bit);
 375 }
 376
 377 static
 378 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 379 {
 380         return (dev->resources & bit);
 381 }
 382
 383 static
 384 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 385 {
 386         struct cx88_core *core = dev->core;
 387         BUG_ON((fh->resources & bits) != bits);
 388
 389         mutex_lock(&core->lock);
 390         fh->resources  &= ~bits;
 391         dev->resources &= ~bits;
 392         dprintk(1,"res: put %d\n",bits);
 393         mutex_unlock(&core->lock);
 394 }
 395
 396 /* ------------------------------------------------------------------ */
 397
 398 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 399 {
 400         /* struct cx88_core *core = dev->core; */
 401
 402         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 403                 input, INPUT(input).vmux,
 404                 INPUT(input).gpio0,INPUT(input).gpio1,
 405                 INPUT(input).gpio2,INPUT(input).gpio3);
 406         core->input = input;
 407         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 408         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 409         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 410         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 411         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 412
 413         switch (INPUT(input).type) {
 414         case CX88_VMUX_SVIDEO:
 415                 cx_set(MO_AFECFG_IO,    0x00000001);
 416                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 417                 cx_set(MO_FILTER_EVEN,  0x00002020);
 418                 cx_set(MO_FILTER_ODD,   0x00002020);
 419                 break;
 420         default:
 421                 cx_clear(MO_AFECFG_IO,    0x00000001);
 422                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 423                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 424                 cx_clear(MO_FILTER_ODD,   0x00002020);
 425                 break;
 426         }
 427
 428         /* if there are audioroutes defined, we have an external
 429            ADC to deal with audio */
 430         if (INPUT(input).audioroute) {
 431                 /* The wm8775 module has the "2" route hardwired into
 432                    the initialization. Some boards may use different
 433                    routes for different inputs. HVR-1300 surely does */
 434                 if (core->board.audio_chip &&
 435                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 436                         struct v4l2_routing route;
 437
 438                         route.input = INPUT(input).audioroute;
 439                         cx88_call_i2c_clients(core,
 440                                 VIDIOC_INT_S_AUDIO_ROUTING, &route);
 441                 }
 442                 /* cx2388's C-ADC is connected to the tuner only.
 443                    When used with S-Video, that ADC is busy dealing with
 444                    chroma, so an external must be used for baseband audio */
 445                 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
 446                         /* "I2S ADC mode" */
 447                         core->tvaudio = WW_I2SADC;
 448                         cx88_set_tvaudio(core);
 449                 } else {
 450                         /* Normal mode */
 451                         cx_write(AUD_I2SCNTL, 0x0);
 452                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 453                 }
 454         }
 455
 456         return 0;
 457 }
 458 EXPORT_SYMBOL(cx88_video_mux);
 459
 460 /* ------------------------------------------------------------------ */
 461
 462 static int start_video_dma(struct cx8800_dev    *dev,
 463                            struct cx88_dmaqueue *q,
 464                            struct cx88_buffer   *buf)
 465 {
 466         struct cx88_core *core = dev->core;
 467
 468         /* setup fifo + format */
 469         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 470                                 buf->bpl, buf->risc.dma);
 471         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 472         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 473
 474         /* reset counter */
 475         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 476         q->count = 1;
 477
 478         /* enable irqs */
 479         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 480
 481         /* Enables corresponding bits at PCI_INT_STAT:
 482                 bits 0 to 4: video, audio, transport stream, VIP, Host
 483                 bit 7: timer
 484                 bits 8 and 9: DMA complete for: SRC, DST
 485                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 486                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 487          */
 488         cx_set(MO_VID_INTMSK, 0x0f0011);
 489
 490         /* enable capture */
 491         cx_set(VID_CAPTURE_CONTROL,0x06);
 492
 493         /* start dma */
 494         cx_set(MO_DEV_CNTRL2, (1<<5));
 495         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 496
 497         return 0;
 498 }
 499
 500 #ifdef CONFIG_PM
 501 static int stop_video_dma(struct cx8800_dev    *dev)
 502 {
 503         struct cx88_core *core = dev->core;
 504
 505         /* stop dma */
 506         cx_clear(MO_VID_DMACNTRL, 0x11);
 507
 508         /* disable capture */
 509         cx_clear(VID_CAPTURE_CONTROL,0x06);
 510
 511         /* disable irqs */
 512         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 513         cx_clear(MO_VID_INTMSK, 0x0f0011);
 514         return 0;
 515 }
 516 #endif
 517
 518 static int restart_video_queue(struct cx8800_dev    *dev,
 519                                struct cx88_dmaqueue *q)
 520 {
 521         struct cx88_core *core = dev->core;
 522         struct cx88_buffer *buf, *prev;
 523
 524         if (!list_empty(&q->active)) {
 525                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 526                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 527                         buf, buf->vb.i);
 528                 start_video_dma(dev, q, buf);
 529                 list_for_each_entry(buf, &q->active, vb.queue)
 530                         buf->count = q->count++;
 531                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 532                 return 0;
 533         }
 534
 535         prev = NULL;
 536         for (;;) {
 537                 if (list_empty(&q->queued))
 538                         return 0;
 539                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 540                 if (NULL == prev) {
 541                         list_move_tail(&buf->vb.queue, &q->active);
 542                         start_video_dma(dev, q, buf);
 543                         buf->vb.state = VIDEOBUF_ACTIVE;
 544                         buf->count    = q->count++;
 545                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 546                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 547                                 buf,buf->vb.i);
 548
 549                 } else if (prev->vb.width  == buf->vb.width  &&
 550                            prev->vb.height == buf->vb.height &&
 551                            prev->fmt       == buf->fmt) {
 552                         list_move_tail(&buf->vb.queue, &q->active);
 553                         buf->vb.state = VIDEOBUF_ACTIVE;
 554                         buf->count    = q->count++;
 555                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 556                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 557                                 buf,buf->vb.i);
 558                 } else {
 559                         return 0;
 560                 }
 561                 prev = buf;
 562         }
 563 }
 564
 565 /* ------------------------------------------------------------------ */
 566
 567 static int
 568 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 569 {
 570         struct cx8800_fh *fh = q->priv_data;
 571
 572         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 573         if (0 == *count)
 574                 *count = 32;
 575         while (*size * *count > vid_limit * 1024 * 1024)
 576                 (*count)--;
 577         return 0;
 578 }
 579
 580 static int
 581 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 582                enum v4l2_field field)
 583 {
 584         struct cx8800_fh   *fh  = q->priv_data;
 585         struct cx8800_dev  *dev = fh->dev;
 586         struct cx88_core *core = dev->core;
 587         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 588         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 589         int rc, init_buffer = 0;
 590
 591         BUG_ON(NULL == fh->fmt);
 592         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 593             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 594                 return -EINVAL;
 595         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 596         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 597                 return -EINVAL;
 598
 599         if (buf->fmt       != fh->fmt    ||
 600             buf->vb.width  != fh->width  ||
 601             buf->vb.height != fh->height ||
 602             buf->vb.field  != field) {
 603                 buf->fmt       = fh->fmt;
 604                 buf->vb.width  = fh->width;
 605                 buf->vb.height = fh->height;
 606                 buf->vb.field  = field;
 607                 init_buffer = 1;
 608         }
 609
 610         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 611                 init_buffer = 1;
 612                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 613                         goto fail;
 614         }
 615
 616         if (init_buffer) {
 617                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 618                 switch (buf->vb.field) {
 619                 case V4L2_FIELD_TOP:
 620                         cx88_risc_buffer(dev->pci, &buf->risc,
 621                                          dma->sglist, 0, UNSET,
 622                                          buf->bpl, 0, buf->vb.height);
 623                         break;
 624                 case V4L2_FIELD_BOTTOM:
 625                         cx88_risc_buffer(dev->pci, &buf->risc,
 626                                          dma->sglist, UNSET, 0,
 627                                          buf->bpl, 0, buf->vb.height);
 628                         break;
 629                 case V4L2_FIELD_INTERLACED:
 630                         cx88_risc_buffer(dev->pci, &buf->risc,
 631                                          dma->sglist, 0, buf->bpl,
 632                                          buf->bpl, buf->bpl,
 633                                          buf->vb.height >> 1);
 634                         break;
 635                 case V4L2_FIELD_SEQ_TB:
 636                         cx88_risc_buffer(dev->pci, &buf->risc,
 637                                          dma->sglist,
 638                                          0, buf->bpl * (buf->vb.height >> 1),
 639                                          buf->bpl, 0,
 640                                          buf->vb.height >> 1);
 641                         break;
 642                 case V4L2_FIELD_SEQ_BT:
 643                         cx88_risc_buffer(dev->pci, &buf->risc,
 644                                          dma->sglist,
 645                                          buf->bpl * (buf->vb.height >> 1), 0,
 646                                          buf->bpl, 0,
 647                                          buf->vb.height >> 1);
 648                         break;
 649                 default:
 650                         BUG();
 651                 }
 652         }
 653         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 654                 buf, buf->vb.i,
 655                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 656                 (unsigned long)buf->risc.dma);
 657
 658         buf->vb.state = VIDEOBUF_PREPARED;
 659         return 0;
 660
 661  fail:
 662         cx88_free_buffer(q,buf);
 663         return rc;
 664 }
 665
 666 static void
 667 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 668 {
 669         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 670         struct cx88_buffer    *prev;
 671         struct cx8800_fh      *fh   = vq->priv_data;
 672         struct cx8800_dev     *dev  = fh->dev;
 673         struct cx88_core      *core = dev->core;
 674         struct cx88_dmaqueue  *q    = &dev->vidq;
 675
 676         /* add jump to stopper */
 677         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 678         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 679
 680         if (!list_empty(&q->queued)) {
 681                 list_add_tail(&buf->vb.queue,&q->queued);
 682                 buf->vb.state = VIDEOBUF_QUEUED;
 683                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 684                         buf, buf->vb.i);
 685
 686         } else if (list_empty(&q->active)) {
 687                 list_add_tail(&buf->vb.queue,&q->active);
 688                 start_video_dma(dev, q, buf);
 689                 buf->vb.state = VIDEOBUF_ACTIVE;
 690                 buf->count    = q->count++;
 691                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 692                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 693                         buf, buf->vb.i);
 694
 695         } else {
 696                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 697                 if (prev->vb.width  == buf->vb.width  &&
 698                     prev->vb.height == buf->vb.height &&
 699                     prev->fmt       == buf->fmt) {
 700                         list_add_tail(&buf->vb.queue,&q->active);
 701                         buf->vb.state = VIDEOBUF_ACTIVE;
 702                         buf->count    = q->count++;
 703                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 704                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 705                                 buf, buf->vb.i);
 706
 707                 } else {
 708                         list_add_tail(&buf->vb.queue,&q->queued);
 709                         buf->vb.state = VIDEOBUF_QUEUED;
 710                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 711                                 buf, buf->vb.i);
 712                 }
 713         }
 714 }
 715
 716 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 717 {
 718         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 719
 720         cx88_free_buffer(q,buf);
 721 }
 722
 723 static struct videobuf_queue_ops cx8800_video_qops = {
 724         .buf_setup    = buffer_setup,
 725         .buf_prepare  = buffer_prepare,
 726         .buf_queue    = buffer_queue,
 727         .buf_release  = buffer_release,
 728 };
 729
 730 /* ------------------------------------------------------------------ */
 731
 732
 733 /* ------------------------------------------------------------------ */
 734
 735 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 736 {
 737         switch (fh->type) {
 738         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 739                 return &fh->vidq;
 740         case V4L2_BUF_TYPE_VBI_CAPTURE:
 741                 return &fh->vbiq;
 742         default:
 743                 BUG();
 744                 return NULL;
 745         }
 746 }
 747
 748 static int get_ressource(struct cx8800_fh *fh)
 749 {
 750         switch (fh->type) {
 751         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 752                 return RESOURCE_VIDEO;
 753         case V4L2_BUF_TYPE_VBI_CAPTURE:
 754                 return RESOURCE_VBI;
 755         default:
 756                 BUG();
 757                 return 0;
 758         }
 759 }
 760
 761 static int video_open(struct file *file)
 762 {
 763         int minor = video_devdata(file)->minor;
 764         struct cx8800_dev *h,*dev = NULL;
 765         struct cx88_core *core;
 766         struct cx8800_fh *fh;
 767         enum v4l2_buf_type type = 0;
 768         int radio = 0;
 769
 770         lock_kernel();
 771         list_for_each_entry(h, &cx8800_devlist, devlist) {
 772                 if (h->video_dev->minor == minor) {
 773                         dev  = h;
 774                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 775                 }
 776                 if (h->vbi_dev->minor == minor) {
 777                         dev  = h;
 778                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 779                 }
 780                 if (h->radio_dev &&
 781                     h->radio_dev->minor == minor) {
 782                         radio = 1;
 783                         dev   = h;
 784                 }
 785         }
 786         if (NULL == dev) {
 787                 unlock_kernel();
 788                 return -ENODEV;
 789         }
 790
 791         core = dev->core;
 792
 793         dprintk(1,"open minor=%d radio=%d type=%s\n",
 794                 minor,radio,v4l2_type_names[type]);
 795
 796         /* allocate + initialize per filehandle data */
 797         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 798         if (NULL == fh) {
 799                 unlock_kernel();
 800                 return -ENOMEM;
 801         }
 802         file->private_data = fh;
 803         fh->dev      = dev;
 804         fh->radio    = radio;
 805         fh->type     = type;
 806         fh->width    = 320;
 807         fh->height   = 240;
 808         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 809
 810         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 811                             &dev->pci->dev, &dev->slock,
 812                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 813                             V4L2_FIELD_INTERLACED,
 814                             sizeof(struct cx88_buffer),
 815                             fh);
 816         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 817                             &dev->pci->dev, &dev->slock,
 818                             V4L2_BUF_TYPE_VBI_CAPTURE,
 819                             V4L2_FIELD_SEQ_TB,
 820                             sizeof(struct cx88_buffer),
 821                             fh);
 822
 823         if (fh->radio) {
 824                 dprintk(1,"video_open: setting radio device\n");
 825                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 826                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 827                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 828                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 829                 if (core->board.radio.audioroute) {
 830                         if(core->board.audio_chip &&
 831                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 832                                 struct v4l2_routing route;
 833
 834                                 route.input = core->board.radio.audioroute;
 835                                 cx88_call_i2c_clients(core,
 836                                         VIDIOC_INT_S_AUDIO_ROUTING, &route);
 837                         }
 838                         /* "I2S ADC mode" */
 839                         core->tvaudio = WW_I2SADC;
 840                         cx88_set_tvaudio(core);
 841                 } else {
 842                         /* FM Mode */
 843                         core->tvaudio = WW_FM;
 844                         cx88_set_tvaudio(core);
 845                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 846                 }
 847                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 848         }
 849         unlock_kernel();
 850
 851         atomic_inc(&core->users);
 852
 853         return 0;
 854 }
 855
 856 static ssize_t
 857 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 858 {
 859         struct cx8800_fh *fh = file->private_data;
 860
 861         switch (fh->type) {
 862         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 863                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 864                         return -EBUSY;
 865                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 866                                          file->f_flags & O_NONBLOCK);
 867         case V4L2_BUF_TYPE_VBI_CAPTURE:
 868                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 869                         return -EBUSY;
 870                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 871                                             file->f_flags & O_NONBLOCK);
 872         default:
 873                 BUG();
 874                 return 0;
 875         }
 876 }
 877
 878 static unsigned int
 879 video_poll(struct file *file, struct poll_table_struct *wait)
 880 {
 881         struct cx8800_fh *fh = file->private_data;
 882         struct cx88_buffer *buf;
 883
 884         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 885                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 886                         return POLLERR;
 887                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 888         }
 889
 890         if (res_check(fh,RESOURCE_VIDEO)) {
 891                 /* streaming capture */
 892                 if (list_empty(&fh->vidq.stream))
 893                         return POLLERR;
 894                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 895         } else {
 896                 /* read() capture */
 897                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 898                 if (NULL == buf)
 899                         return POLLERR;
 900         }
 901         poll_wait(file, &buf->vb.done, wait);
 902         if (buf->vb.state == VIDEOBUF_DONE ||
 903             buf->vb.state == VIDEOBUF_ERROR)
 904                 return POLLIN|POLLRDNORM;
 905         return 0;
 906 }
 907
 908 static int video_release(struct file *file)
 909 {
 910         struct cx8800_fh  *fh  = file->private_data;
 911         struct cx8800_dev *dev = fh->dev;
 912
 913         /* turn off overlay */
 914         if (res_check(fh, RESOURCE_OVERLAY)) {
 915                 /* FIXME */
 916                 res_free(dev,fh,RESOURCE_OVERLAY);
 917         }
 918
 919         /* stop video capture */
 920         if (res_check(fh, RESOURCE_VIDEO)) {
 921                 videobuf_queue_cancel(&fh->vidq);
 922                 res_free(dev,fh,RESOURCE_VIDEO);
 923         }
 924         if (fh->vidq.read_buf) {
 925                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 926                 kfree(fh->vidq.read_buf);
 927         }
 928
 929         /* stop vbi capture */
 930         if (res_check(fh, RESOURCE_VBI)) {
 931                 videobuf_stop(&fh->vbiq);
 932                 res_free(dev,fh,RESOURCE_VBI);
 933         }
 934
 935         videobuf_mmap_free(&fh->vidq);
 936         videobuf_mmap_free(&fh->vbiq);
 937         file->private_data = NULL;
 938         kfree(fh);
 939
 940         if(atomic_dec_and_test(&dev->core->users))
 941                 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 942
 943         return 0;
 944 }
 945
 946 static int
 947 video_mmap(struct file *file, struct vm_area_struct * vma)
 948 {
 949         struct cx8800_fh *fh = file->private_data;
 950
 951         return videobuf_mmap_mapper(get_queue(fh), vma);
 952 }
 953
 954 /* ------------------------------------------------------------------ */
 955 /* VIDEO CTRL IOCTLS                                                  */
 956
 957 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 958 {
 959         struct cx88_ctrl  *c    = NULL;
 960         u32 value;
 961         int i;
 962
 963         for (i = 0; i < CX8800_CTLS; i++)
 964                 if (cx8800_ctls[i].v.id == ctl->id)
 965                         c = &cx8800_ctls[i];
 966         if (unlikely(NULL == c))
 967                 return -EINVAL;
 968
 969         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 970         switch (ctl->id) {
 971         case V4L2_CID_AUDIO_BALANCE:
 972                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 973                                         : (0x7f - (value & 0x7f));
 974                 break;
 975         case V4L2_CID_AUDIO_VOLUME:
 976                 ctl->value = 0x3f - (value & 0x3f);
 977                 break;
 978         default:
 979                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 980                 break;
 981         }
 982         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 983                                 ctl->id, c->v.name, ctl->value, c->reg,
 984                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 985         return 0;
 986 }
 987 EXPORT_SYMBOL(cx88_get_control);
 988
 989 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 990 {
 991         struct cx88_ctrl *c = NULL;
 992         u32 value,mask;
 993         int i;
 994
 995         for (i = 0; i < CX8800_CTLS; i++) {
 996                 if (cx8800_ctls[i].v.id == ctl->id) {
 997                         c = &cx8800_ctls[i];
 998                 }
 999         }
1000         if (unlikely(NULL == c))
1001                 return -EINVAL;
1002
1003         if (ctl->value < c->v.minimum)
1004                 ctl->value = c->v.minimum;
1005         if (ctl->value > c->v.maximum)
1006                 ctl->value = c->v.maximum;
1007         mask=c->mask;
1008         switch (ctl->id) {
1009         case V4L2_CID_AUDIO_BALANCE:
1010                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1011                 break;
1012         case V4L2_CID_AUDIO_VOLUME:
1013                 value = 0x3f - (ctl->value & 0x3f);
1014                 break;
1015         case V4L2_CID_SATURATION:
1016                 /* special v_sat handling */
1017
1018                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1019
1020                 if (core->tvnorm & V4L2_STD_SECAM) {
1021                         /* For SECAM, both U and V sat should be equal */
1022                         value=value<<8|value;
1023                 } else {
1024                         /* Keeps U Saturation proportional to V Sat */
1025                         value=(value*0x5a)/0x7f<<8|value;
1026                 }
1027                 mask=0xffff;
1028                 break;
1029         case V4L2_CID_CHROMA_AGC:
1030                 /* Do not allow chroma AGC to be enabled for SECAM */
1031                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1032                 if (core->tvnorm & V4L2_STD_SECAM && value)
1033                         return -EINVAL;
1034                 break;
1035         default:
1036                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1037                 break;
1038         }
1039         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1040                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1041                                 mask, c->sreg ? " [shadowed]" : "");
1042         if (c->sreg) {
1043                 cx_sandor(c->sreg, c->reg, mask, value);
1044         } else {
1045                 cx_andor(c->reg, mask, value);
1046         }
1047         return 0;
1048 }
1049 EXPORT_SYMBOL(cx88_set_control);
1050
1051 static void init_controls(struct cx88_core *core)
1052 {
1053         struct v4l2_control ctrl;
1054         int i;
1055
1056         for (i = 0; i < CX8800_CTLS; i++) {
1057                 ctrl.id=cx8800_ctls[i].v.id;
1058                 ctrl.value=cx8800_ctls[i].v.default_value;
1059
1060                 cx88_set_control(core, &ctrl);
1061         }
1062 }
1063
1064 /* ------------------------------------------------------------------ */
1065 /* VIDEO IOCTLS                                                       */
1066
1067 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1068                                         struct v4l2_format *f)
1069 {
1070         struct cx8800_fh  *fh   = priv;
1071
1072         f->fmt.pix.width        = fh->width;
1073         f->fmt.pix.height       = fh->height;
1074         f->fmt.pix.field        = fh->vidq.field;
1075         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1076         f->fmt.pix.bytesperline =
1077                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1078         f->fmt.pix.sizeimage =
1079                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1080         return 0;
1081 }
1082
1083 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1084                         struct v4l2_format *f)
1085 {
1086         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1087         struct cx8800_fmt *fmt;
1088         enum v4l2_field   field;
1089         unsigned int      maxw, maxh;
1090
1091         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1092         if (NULL == fmt)
1093                 return -EINVAL;
1094
1095         field = f->fmt.pix.field;
1096         maxw  = norm_maxw(core->tvnorm);
1097         maxh  = norm_maxh(core->tvnorm);
1098
1099         if (V4L2_FIELD_ANY == field) {
1100                 field = (f->fmt.pix.height > maxh/2)
1101                         ? V4L2_FIELD_INTERLACED
1102                         : V4L2_FIELD_BOTTOM;
1103         }
1104
1105         switch (field) {
1106         case V4L2_FIELD_TOP:
1107         case V4L2_FIELD_BOTTOM:
1108                 maxh = maxh / 2;
1109                 break;
1110         case V4L2_FIELD_INTERLACED:
1111                 break;
1112         default:
1113                 return -EINVAL;
1114         }
1115
1116         f->fmt.pix.field = field;
1117         if (f->fmt.pix.height < 32)
1118                 f->fmt.pix.height = 32;
1119         if (f->fmt.pix.height > maxh)
1120                 f->fmt.pix.height = maxh;
1121         if (f->fmt.pix.width < 48)
1122                 f->fmt.pix.width = 48;
1123         if (f->fmt.pix.width > maxw)
1124                 f->fmt.pix.width = maxw;
1125         f->fmt.pix.width &= ~0x03;
1126         f->fmt.pix.bytesperline =
1127                 (f->fmt.pix.width * fmt->depth) >> 3;
1128         f->fmt.pix.sizeimage =
1129                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1130
1131         return 0;
1132 }
1133
1134 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1135                                         struct v4l2_format *f)
1136 {
1137         struct cx8800_fh  *fh   = priv;
1138         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1139
1140         if (0 != err)
1141                 return err;
1142         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1143         fh->width      = f->fmt.pix.width;
1144         fh->height     = f->fmt.pix.height;
1145         fh->vidq.field = f->fmt.pix.field;
1146         return 0;
1147 }
1148
1149 static int vidioc_querycap (struct file *file, void  *priv,
1150                                         struct v4l2_capability *cap)
1151 {
1152         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1153         struct cx88_core  *core = dev->core;
1154
1155         strcpy(cap->driver, "cx8800");
1156         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1157         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1158         cap->version = CX88_VERSION_CODE;
1159         cap->capabilities =
1160                 V4L2_CAP_VIDEO_CAPTURE |
1161                 V4L2_CAP_READWRITE     |
1162                 V4L2_CAP_STREAMING     |
1163                 V4L2_CAP_VBI_CAPTURE;
1164         if (UNSET != core->board.tuner_type)
1165                 cap->capabilities |= V4L2_CAP_TUNER;
1166         return 0;
1167 }
1168
1169 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1170                                         struct v4l2_fmtdesc *f)
1171 {
1172         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1173                 return -EINVAL;
1174
1175         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1176         f->pixelformat = formats[f->index].fourcc;
1177
1178         return 0;
1179 }
1180
1181 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1182 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1183 {
1184         struct cx8800_fh           *fh  = priv;
1185
1186         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1187 }
1188 #endif
1189
1190 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1191 {
1192         struct cx8800_fh  *fh   = priv;
1193         return (videobuf_reqbufs(get_queue(fh), p));
1194 }
1195
1196 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1197 {
1198         struct cx8800_fh  *fh   = priv;
1199         return (videobuf_querybuf(get_queue(fh), p));
1200 }
1201
1202 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1203 {
1204         struct cx8800_fh  *fh   = priv;
1205         return (videobuf_qbuf(get_queue(fh), p));
1206 }
1207
1208 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1209 {
1210         struct cx8800_fh  *fh   = priv;
1211         return (videobuf_dqbuf(get_queue(fh), p,
1212                                 file->f_flags & O_NONBLOCK));
1213 }
1214
1215 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1216 {
1217         struct cx8800_fh  *fh   = priv;
1218         struct cx8800_dev *dev  = fh->dev;
1219
1220         /* We should remember that this driver also supports teletext,  */
1221         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1222         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1223                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1224                 return -EINVAL;
1225
1226         if (unlikely(i != fh->type))
1227                 return -EINVAL;
1228
1229         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1230                 return -EBUSY;
1231         return videobuf_streamon(get_queue(fh));
1232 }
1233
1234 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1235 {
1236         struct cx8800_fh  *fh   = priv;
1237         struct cx8800_dev *dev  = fh->dev;
1238         int               err, res;
1239
1240         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1241             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1242                 return -EINVAL;
1243
1244         if (i != fh->type)
1245                 return -EINVAL;
1246
1247         res = get_ressource(fh);
1248         err = videobuf_streamoff(get_queue(fh));
1249         if (err < 0)
1250                 return err;
1251         res_free(dev,fh,res);
1252         return 0;
1253 }
1254
1255 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1256 {
1257         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1258
1259         mutex_lock(&core->lock);
1260         cx88_set_tvnorm(core,*tvnorms);
1261         mutex_unlock(&core->lock);
1262
1263         return 0;
1264 }
1265
1266 /* only one input in this sample driver */
1267 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1268 {
1269         static const char *iname[] = {
1270                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1271                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1272                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1273                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1274                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1275                 [ CX88_VMUX_TELEVISION ] = "Television",
1276                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1277                 [ CX88_VMUX_DVB        ] = "DVB",
1278                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1279         };
1280         unsigned int n;
1281
1282         n = i->index;
1283         if (n >= 4)
1284                 return -EINVAL;
1285         if (0 == INPUT(n).type)
1286                 return -EINVAL;
1287         memset(i,0,sizeof(*i));
1288         i->index = n;
1289         i->type  = V4L2_INPUT_TYPE_CAMERA;
1290         strcpy(i->name,iname[INPUT(n).type]);
1291         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1292             (CX88_VMUX_CABLE      == INPUT(n).type))
1293                 i->type = V4L2_INPUT_TYPE_TUNER;
1294                 i->std = CX88_NORMS;
1295         return 0;
1296 }
1297 EXPORT_SYMBOL(cx88_enum_input);
1298
1299 static int vidioc_enum_input (struct file *file, void *priv,
1300                                 struct v4l2_input *i)
1301 {
1302         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1303         return cx88_enum_input (core,i);
1304 }
1305
1306 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1307 {
1308         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1309
1310         *i = core->input;
1311         return 0;
1312 }
1313
1314 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1315 {
1316         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1317
1318         if (i >= 4)
1319                 return -EINVAL;
1320
1321         mutex_lock(&core->lock);
1322         cx88_newstation(core);
1323         cx88_video_mux(core,i);
1324         mutex_unlock(&core->lock);
1325         return 0;
1326 }
1327
1328
1329
1330 static int vidioc_queryctrl (struct file *file, void *priv,
1331                                 struct v4l2_queryctrl *qctrl)
1332 {
1333         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1334
1335         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1336         if (unlikely(qctrl->id == 0))
1337                 return -EINVAL;
1338         return cx8800_ctrl_query(core, qctrl);
1339 }
1340
1341 static int vidioc_g_ctrl (struct file *file, void *priv,
1342                                 struct v4l2_control *ctl)
1343 {
1344         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1345         return
1346                 cx88_get_control(core,ctl);
1347 }
1348
1349 static int vidioc_s_ctrl (struct file *file, void *priv,
1350                                 struct v4l2_control *ctl)
1351 {
1352         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1353         return
1354                 cx88_set_control(core,ctl);
1355 }
1356
1357 static int vidioc_g_tuner (struct file *file, void *priv,
1358                                 struct v4l2_tuner *t)
1359 {
1360         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1361         u32 reg;
1362
1363         if (unlikely(UNSET == core->board.tuner_type))
1364                 return -EINVAL;
1365         if (0 != t->index)
1366                 return -EINVAL;
1367
1368         strcpy(t->name, "Television");
1369         t->type       = V4L2_TUNER_ANALOG_TV;
1370         t->capability = V4L2_TUNER_CAP_NORM;
1371         t->rangehigh  = 0xffffffffUL;
1372
1373         cx88_get_stereo(core ,t);
1374         reg = cx_read(MO_DEVICE_STATUS);
1375         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1376         return 0;
1377 }
1378
1379 static int vidioc_s_tuner (struct file *file, void *priv,
1380                                 struct v4l2_tuner *t)
1381 {
1382         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1383
1384         if (UNSET == core->board.tuner_type)
1385                 return -EINVAL;
1386         if (0 != t->index)
1387                 return -EINVAL;
1388
1389         cx88_set_stereo(core, t->audmode, 1);
1390         return 0;
1391 }
1392
1393 static int vidioc_g_frequency (struct file *file, void *priv,
1394                                 struct v4l2_frequency *f)
1395 {
1396         struct cx8800_fh  *fh   = priv;
1397         struct cx88_core  *core = fh->dev->core;
1398
1399         if (unlikely(UNSET == core->board.tuner_type))
1400                 return -EINVAL;
1401
1402         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1403         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1404         f->frequency = core->freq;
1405
1406         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1407
1408         return 0;
1409 }
1410
1411 int cx88_set_freq (struct cx88_core  *core,
1412                                 struct v4l2_frequency *f)
1413 {
1414         if (unlikely(UNSET == core->board.tuner_type))
1415                 return -EINVAL;
1416         if (unlikely(f->tuner != 0))
1417                 return -EINVAL;
1418
1419         mutex_lock(&core->lock);
1420         core->freq = f->frequency;
1421         cx88_newstation(core);
1422         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1423
1424         /* When changing channels it is required to reset TVAUDIO */
1425         msleep (10);
1426         cx88_set_tvaudio(core);
1427
1428         mutex_unlock(&core->lock);
1429
1430         return 0;
1431 }
1432 EXPORT_SYMBOL(cx88_set_freq);
1433
1434 static int vidioc_s_frequency (struct file *file, void *priv,
1435                                 struct v4l2_frequency *f)
1436 {
1437         struct cx8800_fh  *fh   = priv;
1438         struct cx88_core  *core = fh->dev->core;
1439
1440         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1441                 return -EINVAL;
1442         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1443                 return -EINVAL;
1444
1445         return
1446                 cx88_set_freq (core,f);
1447 }
1448
1449 #ifdef CONFIG_VIDEO_ADV_DEBUG
1450 static int vidioc_g_register (struct file *file, void *fh,
1451                                 struct v4l2_dbg_register *reg)
1452 {
1453         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1454
1455         if (!v4l2_chip_match_host(&reg->match))
1456                 return -EINVAL;
1457         /* cx2388x has a 24-bit register space */
1458         reg->val = cx_read(reg->reg & 0xffffff);
1459         reg->size = 4;
1460         return 0;
1461 }
1462
1463 static int vidioc_s_register (struct file *file, void *fh,
1464                                 struct v4l2_dbg_register *reg)
1465 {
1466         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1467
1468         if (!v4l2_chip_match_host(&reg->match))
1469                 return -EINVAL;
1470         cx_write(reg->reg & 0xffffff, reg->val);
1471         return 0;
1472 }
1473 #endif
1474
1475 /* ----------------------------------------------------------- */
1476 /* RADIO ESPECIFIC IOCTLS                                      */
1477 /* ----------------------------------------------------------- */
1478
1479 static int radio_querycap (struct file *file, void  *priv,
1480                                         struct v4l2_capability *cap)
1481 {
1482         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1483         struct cx88_core  *core = dev->core;
1484
1485         strcpy(cap->driver, "cx8800");
1486         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1487         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1488         cap->version = CX88_VERSION_CODE;
1489         cap->capabilities = V4L2_CAP_TUNER;
1490         return 0;
1491 }
1492
1493 static int radio_g_tuner (struct file *file, void *priv,
1494                                 struct v4l2_tuner *t)
1495 {
1496         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1497
1498         if (unlikely(t->index > 0))
1499                 return -EINVAL;
1500
1501         strcpy(t->name, "Radio");
1502         t->type = V4L2_TUNER_RADIO;
1503
1504         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1505         return 0;
1506 }
1507
1508 static int radio_enum_input (struct file *file, void *priv,
1509                                 struct v4l2_input *i)
1510 {
1511         if (i->index != 0)
1512                 return -EINVAL;
1513         strcpy(i->name,"Radio");
1514         i->type = V4L2_INPUT_TYPE_TUNER;
1515
1516         return 0;
1517 }
1518
1519 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1520 {
1521         if (unlikely(a->index))
1522                 return -EINVAL;
1523
1524         memset(a,0,sizeof(*a));
1525         strcpy(a->name,"Radio");
1526         return 0;
1527 }
1528
1529 /* FIXME: Should add a standard for radio */
1530
1531 static int radio_s_tuner (struct file *file, void *priv,
1532                                 struct v4l2_tuner *t)
1533 {
1534         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1535
1536         if (0 != t->index)
1537                 return -EINVAL;
1538
1539         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1540
1541         return 0;
1542 }
1543
1544 static int radio_s_audio (struct file *file, void *fh,
1545                           struct v4l2_audio *a)
1546 {
1547         return 0;
1548 }
1549
1550 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1551 {
1552         return 0;
1553 }
1554
1555 static int radio_queryctrl (struct file *file, void *priv,
1556                             struct v4l2_queryctrl *c)
1557 {
1558         int i;
1559
1560         if (c->id <  V4L2_CID_BASE ||
1561                 c->id >= V4L2_CID_LASTP1)
1562                 return -EINVAL;
1563         if (c->id == V4L2_CID_AUDIO_MUTE) {
1564                 for (i = 0; i < CX8800_CTLS; i++)
1565                         if (cx8800_ctls[i].v.id == c->id)
1566                                 break;
1567                 *c = cx8800_ctls[i].v;
1568         } else
1569                 *c = no_ctl;
1570         return 0;
1571 }
1572
1573 /* ----------------------------------------------------------- */
1574
1575 static void cx8800_vid_timeout(unsigned long data)
1576 {
1577         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1578         struct cx88_core *core = dev->core;
1579         struct cx88_dmaqueue *q = &dev->vidq;
1580         struct cx88_buffer *buf;
1581         unsigned long flags;
1582
1583         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1584
1585         cx_clear(MO_VID_DMACNTRL, 0x11);
1586         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1587
1588         spin_lock_irqsave(&dev->slock,flags);
1589         while (!list_empty(&q->active)) {
1590                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1591                 list_del(&buf->vb.queue);
1592                 buf->vb.state = VIDEOBUF_ERROR;
1593                 wake_up(&buf->vb.done);
1594                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1595                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1596         }
1597         restart_video_queue(dev,q);
1598         spin_unlock_irqrestore(&dev->slock,flags);
1599 }
1600
1601 static char *cx88_vid_irqs[32] = {
1602         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1603         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1604         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1605         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1606         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1607 };
1608
1609 static void cx8800_vid_irq(struct cx8800_dev *dev)
1610 {
1611         struct cx88_core *core = dev->core;
1612         u32 status, mask, count;
1613
1614         status = cx_read(MO_VID_INTSTAT);
1615         mask   = cx_read(MO_VID_INTMSK);
1616         if (0 == (status & mask))
1617                 return;
1618         cx_write(MO_VID_INTSTAT, status);
1619         if (irq_debug  ||  (status & mask & ~0xff))
1620                 cx88_print_irqbits(core->name, "irq vid",
1621                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1622                                    status, mask);
1623
1624         /* risc op code error */
1625         if (status & (1 << 16)) {
1626                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1627                 cx_clear(MO_VID_DMACNTRL, 0x11);
1628                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1629                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1630         }
1631
1632         /* risc1 y */
1633         if (status & 0x01) {
1634                 spin_lock(&dev->slock);
1635                 count = cx_read(MO_VIDY_GPCNT);
1636                 cx88_wakeup(core, &dev->vidq, count);
1637                 spin_unlock(&dev->slock);
1638         }
1639
1640         /* risc1 vbi */
1641         if (status & 0x08) {
1642                 spin_lock(&dev->slock);
1643                 count = cx_read(MO_VBI_GPCNT);
1644                 cx88_wakeup(core, &dev->vbiq, count);
1645                 spin_unlock(&dev->slock);
1646         }
1647
1648         /* risc2 y */
1649         if (status & 0x10) {
1650                 dprintk(2,"stopper video\n");
1651                 spin_lock(&dev->slock);
1652                 restart_video_queue(dev,&dev->vidq);
1653                 spin_unlock(&dev->slock);
1654         }
1655
1656         /* risc2 vbi */
1657         if (status & 0x80) {
1658                 dprintk(2,"stopper vbi\n");
1659                 spin_lock(&dev->slock);
1660                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1661                 spin_unlock(&dev->slock);
1662         }
1663 }
1664
1665 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1666 {
1667         struct cx8800_dev *dev = dev_id;
1668         struct cx88_core *core = dev->core;
1669         u32 status;
1670         int loop, handled = 0;
1671
1672         for (loop = 0; loop < 10; loop++) {
1673                 status = cx_read(MO_PCI_INTSTAT) &
1674                         (core->pci_irqmask | PCI_INT_VIDINT);
1675                 if (0 == status)
1676                         goto out;
1677                 cx_write(MO_PCI_INTSTAT, status);
1678                 handled = 1;
1679
1680                 if (status & core->pci_irqmask)
1681                         cx88_core_irq(core,status);
1682                 if (status & PCI_INT_VIDINT)
1683                         cx8800_vid_irq(dev);
1684         };
1685         if (10 == loop) {
1686                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1687                        core->name);
1688                 cx_write(MO_PCI_INTMSK,0);
1689         }
1690
1691  out:
1692         return IRQ_RETVAL(handled);
1693 }
1694
1695 /* ----------------------------------------------------------- */
1696 /* exported stuff                                              */
1697
1698 static const struct v4l2_file_operations video_fops =
1699 {
1700         .owner         = THIS_MODULE,
1701         .open          = video_open,
1702         .release       = video_release,
1703         .read          = video_read,
1704         .poll          = video_poll,
1705         .mmap          = video_mmap,
1706         .ioctl         = video_ioctl2,
1707 };
1708
1709 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1710         .vidioc_querycap      = vidioc_querycap,
1711         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1712         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1713         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1714         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1715         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1716         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1717         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1718         .vidioc_reqbufs       = vidioc_reqbufs,
1719         .vidioc_querybuf      = vidioc_querybuf,
1720         .vidioc_qbuf          = vidioc_qbuf,
1721         .vidioc_dqbuf         = vidioc_dqbuf,
1722         .vidioc_s_std         = vidioc_s_std,
1723         .vidioc_enum_input    = vidioc_enum_input,
1724         .vidioc_g_input       = vidioc_g_input,
1725         .vidioc_s_input       = vidioc_s_input,
1726         .vidioc_queryctrl     = vidioc_queryctrl,
1727         .vidioc_g_ctrl        = vidioc_g_ctrl,
1728         .vidioc_s_ctrl        = vidioc_s_ctrl,
1729         .vidioc_streamon      = vidioc_streamon,
1730         .vidioc_streamoff     = vidioc_streamoff,
1731 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1732         .vidiocgmbuf          = vidiocgmbuf,
1733 #endif
1734         .vidioc_g_tuner       = vidioc_g_tuner,
1735         .vidioc_s_tuner       = vidioc_s_tuner,
1736         .vidioc_g_frequency   = vidioc_g_frequency,
1737         .vidioc_s_frequency   = vidioc_s_frequency,
1738 #ifdef CONFIG_VIDEO_ADV_DEBUG
1739         .vidioc_g_register    = vidioc_g_register,
1740         .vidioc_s_register    = vidioc_s_register,
1741 #endif
1742 };
1743
1744 static struct video_device cx8800_vbi_template;
1745
1746 static struct video_device cx8800_video_template = {
1747         .name                 = "cx8800-video",
1748         .fops                 = &video_fops,
1749         .minor                = -1,
1750         .ioctl_ops            = &video_ioctl_ops,
1751         .tvnorms              = CX88_NORMS,
1752         .current_norm         = V4L2_STD_NTSC_M,
1753 };
1754
1755 static const struct v4l2_file_operations radio_fops =
1756 {
1757         .owner         = THIS_MODULE,
1758         .open          = video_open,
1759         .release       = video_release,
1760         .ioctl         = video_ioctl2,
1761 };
1762
1763 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1764         .vidioc_querycap      = radio_querycap,
1765         .vidioc_g_tuner       = radio_g_tuner,
1766         .vidioc_enum_input    = radio_enum_input,
1767         .vidioc_g_audio       = radio_g_audio,
1768         .vidioc_s_tuner       = radio_s_tuner,
1769         .vidioc_s_audio       = radio_s_audio,
1770         .vidioc_s_input       = radio_s_input,
1771         .vidioc_queryctrl     = radio_queryctrl,
1772         .vidioc_g_ctrl        = vidioc_g_ctrl,
1773         .vidioc_s_ctrl        = vidioc_s_ctrl,
1774         .vidioc_g_frequency   = vidioc_g_frequency,
1775         .vidioc_s_frequency   = vidioc_s_frequency,
1776 #ifdef CONFIG_VIDEO_ADV_DEBUG
1777         .vidioc_g_register    = vidioc_g_register,
1778         .vidioc_s_register    = vidioc_s_register,
1779 #endif
1780 };
1781
1782 static struct video_device cx8800_radio_template = {
1783         .name                 = "cx8800-radio",
1784         .fops                 = &radio_fops,
1785         .minor                = -1,
1786         .ioctl_ops            = &radio_ioctl_ops,
1787 };
1788
1789 /* ----------------------------------------------------------- */
1790
1791 static void cx8800_unregister_video(struct cx8800_dev *dev)
1792 {
1793         if (dev->radio_dev) {
1794                 if (-1 != dev->radio_dev->minor)
1795                         video_unregister_device(dev->radio_dev);
1796                 else
1797                         video_device_release(dev->radio_dev);
1798                 dev->radio_dev = NULL;
1799         }
1800         if (dev->vbi_dev) {
1801                 if (-1 != dev->vbi_dev->minor)
1802                         video_unregister_device(dev->vbi_dev);
1803                 else
1804                         video_device_release(dev->vbi_dev);
1805                 dev->vbi_dev = NULL;
1806         }
1807         if (dev->video_dev) {
1808                 if (-1 != dev->video_dev->minor)
1809                         video_unregister_device(dev->video_dev);
1810                 else
1811                         video_device_release(dev->video_dev);
1812                 dev->video_dev = NULL;
1813         }
1814 }
1815
1816 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1817                                     const struct pci_device_id *pci_id)
1818 {
1819         struct cx8800_dev *dev;
1820         struct cx88_core *core;
1821
1822         int err;
1823
1824         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1825         if (NULL == dev)
1826                 return -ENOMEM;
1827
1828         /* pci init */
1829         dev->pci = pci_dev;
1830         if (pci_enable_device(pci_dev)) {
1831                 err = -EIO;
1832                 goto fail_free;
1833         }
1834         core = cx88_core_get(dev->pci);
1835         if (NULL == core) {
1836                 err = -EINVAL;
1837                 goto fail_free;
1838         }
1839         dev->core = core;
1840
1841         /* print pci info */
1842         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1843         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1844         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1845                "latency: %d, mmio: 0x%llx\n", core->name,
1846                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1847                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1848
1849         pci_set_master(pci_dev);
1850         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1851                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1852                 err = -EIO;
1853                 goto fail_core;
1854         }
1855
1856         /* Initialize VBI template */
1857         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1858                 sizeof(cx8800_vbi_template) );
1859         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1860
1861         /* initialize driver struct */
1862         spin_lock_init(&dev->slock);
1863         core->tvnorm = cx8800_video_template.current_norm;
1864
1865         /* init video dma queues */
1866         INIT_LIST_HEAD(&dev->vidq.active);
1867         INIT_LIST_HEAD(&dev->vidq.queued);
1868         dev->vidq.timeout.function = cx8800_vid_timeout;
1869         dev->vidq.timeout.data     = (unsigned long)dev;
1870         init_timer(&dev->vidq.timeout);
1871         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1872                           MO_VID_DMACNTRL,0x11,0x00);
1873
1874         /* init vbi dma queues */
1875         INIT_LIST_HEAD(&dev->vbiq.active);
1876         INIT_LIST_HEAD(&dev->vbiq.queued);
1877         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1878         dev->vbiq.timeout.data     = (unsigned long)dev;
1879         init_timer(&dev->vbiq.timeout);
1880         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1881                           MO_VID_DMACNTRL,0x88,0x00);
1882
1883         /* get irq */
1884         err = request_irq(pci_dev->irq, cx8800_irq,
1885                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1886         if (err < 0) {
1887                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1888                        core->name,pci_dev->irq);
1889                 goto fail_core;
1890         }
1891         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1892
1893         /* load and configure helper modules */
1894
1895         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1896                 request_module("wm8775");
1897
1898         switch (core->boardnr) {
1899         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1900         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1901                 request_module("rtc-isl1208");
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  */