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

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/dma-mapping.h>
  36 #include <linux/delay.h>
  37 #include <linux/kthread.h>
  38 #include <asm/div64.h>
  39
  40 #include "cx88.h"
  41 #include <media/v4l2-common.h>
  42 #include <media/v4l2-ioctl.h>
  43 #include <media/v4l2-event.h>
  44 #include <media/wm8775.h>
  45
  46 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  47 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  48 MODULE_LICENSE("GPL");
  49 MODULE_VERSION(CX88_VERSION);
  50
  51 /* ------------------------------------------------------------------ */
  52
  53 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  55 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56
  57 module_param_array(video_nr, int, NULL, 0444);
  58 module_param_array(vbi_nr,   int, NULL, 0444);
  59 module_param_array(radio_nr, int, NULL, 0444);
  60
  61 MODULE_PARM_DESC(video_nr,"video device numbers");
  62 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  63 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  64
  65 static unsigned int video_debug;
  66 module_param(video_debug,int,0644);
  67 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  68
  69 static unsigned int irq_debug;
  70 module_param(irq_debug,int,0644);
  71 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  72
  73 static unsigned int vid_limit = 16;
  74 module_param(vid_limit,int,0644);
  75 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  76
  77 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  78         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  79
  80 /* ------------------------------------------------------------------- */
  81 /* static data                                                         */
  82
  83 static const struct cx8800_fmt formats[] = {
  84         {
  85                 .name     = "8 bpp, gray",
  86                 .fourcc   = V4L2_PIX_FMT_GREY,
  87                 .cxformat = ColorFormatY8,
  88                 .depth    = 8,
  89                 .flags    = FORMAT_FLAGS_PACKED,
  90         },{
  91                 .name     = "15 bpp RGB, le",
  92                 .fourcc   = V4L2_PIX_FMT_RGB555,
  93                 .cxformat = ColorFormatRGB15,
  94                 .depth    = 16,
  95                 .flags    = FORMAT_FLAGS_PACKED,
  96         },{
  97                 .name     = "15 bpp RGB, be",
  98                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  99                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 100                 .depth    = 16,
 101                 .flags    = FORMAT_FLAGS_PACKED,
 102         },{
 103                 .name     = "16 bpp RGB, le",
 104                 .fourcc   = V4L2_PIX_FMT_RGB565,
 105                 .cxformat = ColorFormatRGB16,
 106                 .depth    = 16,
 107                 .flags    = FORMAT_FLAGS_PACKED,
 108         },{
 109                 .name     = "16 bpp RGB, be",
 110                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 111                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 112                 .depth    = 16,
 113                 .flags    = FORMAT_FLAGS_PACKED,
 114         },{
 115                 .name     = "24 bpp RGB, le",
 116                 .fourcc   = V4L2_PIX_FMT_BGR24,
 117                 .cxformat = ColorFormatRGB24,
 118                 .depth    = 24,
 119                 .flags    = FORMAT_FLAGS_PACKED,
 120         },{
 121                 .name     = "32 bpp RGB, le",
 122                 .fourcc   = V4L2_PIX_FMT_BGR32,
 123                 .cxformat = ColorFormatRGB32,
 124                 .depth    = 32,
 125                 .flags    = FORMAT_FLAGS_PACKED,
 126         },{
 127                 .name     = "32 bpp RGB, be",
 128                 .fourcc   = V4L2_PIX_FMT_RGB32,
 129                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 130                 .depth    = 32,
 131                 .flags    = FORMAT_FLAGS_PACKED,
 132         },{
 133                 .name     = "4:2:2, packed, YUYV",
 134                 .fourcc   = V4L2_PIX_FMT_YUYV,
 135                 .cxformat = ColorFormatYUY2,
 136                 .depth    = 16,
 137                 .flags    = FORMAT_FLAGS_PACKED,
 138         },{
 139                 .name     = "4:2:2, packed, UYVY",
 140                 .fourcc   = V4L2_PIX_FMT_UYVY,
 141                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 142                 .depth    = 16,
 143                 .flags    = FORMAT_FLAGS_PACKED,
 144         },
 145 };
 146
 147 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 148 {
 149         unsigned int i;
 150
 151         for (i = 0; i < ARRAY_SIZE(formats); i++)
 152                 if (formats[i].fourcc == fourcc)
 153                         return formats+i;
 154         return NULL;
 155 }
 156
 157 /* ------------------------------------------------------------------- */
 158
 159 struct cx88_ctrl {
 160         /* control information */
 161         u32 id;
 162         s32 minimum;
 163         s32 maximum;
 164         u32 step;
 165         s32 default_value;
 166
 167         /* control register information */
 168         u32 off;
 169         u32 reg;
 170         u32 sreg;
 171         u32 mask;
 172         u32 shift;
 173 };
 174
 175 static const struct cx88_ctrl cx8800_vid_ctls[] = {
 176         /* --- video --- */
 177         {
 178                 .id            = V4L2_CID_BRIGHTNESS,
 179                 .minimum       = 0x00,
 180                 .maximum       = 0xff,
 181                 .step          = 1,
 182                 .default_value = 0x7f,
 183                 .off           = 128,
 184                 .reg           = MO_CONTR_BRIGHT,
 185                 .mask          = 0x00ff,
 186                 .shift         = 0,
 187         },{
 188                 .id            = V4L2_CID_CONTRAST,
 189                 .minimum       = 0,
 190                 .maximum       = 0xff,
 191                 .step          = 1,
 192                 .default_value = 0x3f,
 193                 .off           = 0,
 194                 .reg           = MO_CONTR_BRIGHT,
 195                 .mask          = 0xff00,
 196                 .shift         = 8,
 197         },{
 198                 .id            = V4L2_CID_HUE,
 199                 .minimum       = 0,
 200                 .maximum       = 0xff,
 201                 .step          = 1,
 202                 .default_value = 0x7f,
 203                 .off           = 128,
 204                 .reg           = MO_HUE,
 205                 .mask          = 0x00ff,
 206                 .shift         = 0,
 207         },{
 208                 /* strictly, this only describes only U saturation.
 209                  * V saturation is handled specially through code.
 210                  */
 211                 .id            = V4L2_CID_SATURATION,
 212                 .minimum       = 0,
 213                 .maximum       = 0xff,
 214                 .step          = 1,
 215                 .default_value = 0x7f,
 216                 .off           = 0,
 217                 .reg           = MO_UV_SATURATION,
 218                 .mask          = 0x00ff,
 219                 .shift         = 0,
 220         }, {
 221                 .id            = V4L2_CID_SHARPNESS,
 222                 .minimum       = 0,
 223                 .maximum       = 4,
 224                 .step          = 1,
 225                 .default_value = 0x0,
 226                 .off           = 0,
 227                 /* NOTE: the value is converted and written to both even
 228                    and odd registers in the code */
 229                 .reg           = MO_FILTER_ODD,
 230                 .mask          = 7 << 7,
 231                 .shift         = 7,
 232         }, {
 233                 .id            = V4L2_CID_CHROMA_AGC,
 234                 .minimum       = 0,
 235                 .maximum       = 1,
 236                 .default_value = 0x1,
 237                 .reg           = MO_INPUT_FORMAT,
 238                 .mask          = 1 << 10,
 239                 .shift         = 10,
 240         }, {
 241                 .id            = V4L2_CID_COLOR_KILLER,
 242                 .minimum       = 0,
 243                 .maximum       = 1,
 244                 .default_value = 0x1,
 245                 .reg           = MO_INPUT_FORMAT,
 246                 .mask          = 1 << 9,
 247                 .shift         = 9,
 248         }, {
 249                 .id            = V4L2_CID_BAND_STOP_FILTER,
 250                 .minimum       = 0,
 251                 .maximum       = 1,
 252                 .step          = 1,
 253                 .default_value = 0x0,
 254                 .off           = 0,
 255                 .reg           = MO_HTOTAL,
 256                 .mask          = 3 << 11,
 257                 .shift         = 11,
 258         }
 259 };
 260
 261 static const struct cx88_ctrl cx8800_aud_ctls[] = {
 262         {
 263                 /* --- audio --- */
 264                 .id            = V4L2_CID_AUDIO_MUTE,
 265                 .minimum       = 0,
 266                 .maximum       = 1,
 267                 .default_value = 1,
 268                 .reg           = AUD_VOL_CTL,
 269                 .sreg          = SHADOW_AUD_VOL_CTL,
 270                 .mask          = (1 << 6),
 271                 .shift         = 6,
 272         },{
 273                 .id            = V4L2_CID_AUDIO_VOLUME,
 274                 .minimum       = 0,
 275                 .maximum       = 0x3f,
 276                 .step          = 1,
 277                 .default_value = 0x3f,
 278                 .reg           = AUD_VOL_CTL,
 279                 .sreg          = SHADOW_AUD_VOL_CTL,
 280                 .mask          = 0x3f,
 281                 .shift         = 0,
 282         },{
 283                 .id            = V4L2_CID_AUDIO_BALANCE,
 284                 .minimum       = 0,
 285                 .maximum       = 0x7f,
 286                 .step          = 1,
 287                 .default_value = 0x40,
 288                 .reg           = AUD_BAL_CTL,
 289                 .sreg          = SHADOW_AUD_BAL_CTL,
 290                 .mask          = 0x7f,
 291                 .shift         = 0,
 292         }
 293 };
 294
 295 enum {
 296         CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
 297         CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
 298 };
 299
 300 /* ------------------------------------------------------------------- */
 301 /* resource management                                                 */
 302
 303 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 304 {
 305         struct cx88_core *core = dev->core;
 306         if (fh->resources & bit)
 307                 /* have it already allocated */
 308                 return 1;
 309
 310         /* is it free? */
 311         mutex_lock(&core->lock);
 312         if (dev->resources & bit) {
 313                 /* no, someone else uses it */
 314                 mutex_unlock(&core->lock);
 315                 return 0;
 316         }
 317         /* it's free, grab it */
 318         fh->resources  |= bit;
 319         dev->resources |= bit;
 320         dprintk(1,"res: get %d\n",bit);
 321         mutex_unlock(&core->lock);
 322         return 1;
 323 }
 324
 325 static
 326 int res_check(struct cx8800_fh *fh, unsigned int bit)
 327 {
 328         return (fh->resources & bit);
 329 }
 330
 331 static
 332 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 333 {
 334         return (dev->resources & bit);
 335 }
 336
 337 static
 338 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 339 {
 340         struct cx88_core *core = dev->core;
 341         BUG_ON((fh->resources & bits) != bits);
 342
 343         mutex_lock(&core->lock);
 344         fh->resources  &= ~bits;
 345         dev->resources &= ~bits;
 346         dprintk(1,"res: put %d\n",bits);
 347         mutex_unlock(&core->lock);
 348 }
 349
 350 /* ------------------------------------------------------------------ */
 351
 352 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 353 {
 354         /* struct cx88_core *core = dev->core; */
 355
 356         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 357                 input, INPUT(input).vmux,
 358                 INPUT(input).gpio0,INPUT(input).gpio1,
 359                 INPUT(input).gpio2,INPUT(input).gpio3);
 360         core->input = input;
 361         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 362         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 363         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 364         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 365         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 366
 367         switch (INPUT(input).type) {
 368         case CX88_VMUX_SVIDEO:
 369                 cx_set(MO_AFECFG_IO,    0x00000001);
 370                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 371                 cx_set(MO_FILTER_EVEN,  0x00002020);
 372                 cx_set(MO_FILTER_ODD,   0x00002020);
 373                 break;
 374         default:
 375                 cx_clear(MO_AFECFG_IO,    0x00000001);
 376                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 377                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 378                 cx_clear(MO_FILTER_ODD,   0x00002020);
 379                 break;
 380         }
 381
 382         /* if there are audioroutes defined, we have an external
 383            ADC to deal with audio */
 384         if (INPUT(input).audioroute) {
 385                 /* The wm8775 module has the "2" route hardwired into
 386                    the initialization. Some boards may use different
 387                    routes for different inputs. HVR-1300 surely does */
 388                 if (core->board.audio_chip &&
 389                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 390                         call_all(core, audio, s_routing,
 391                                  INPUT(input).audioroute, 0, 0);
 392                 }
 393                 /* cx2388's C-ADC is connected to the tuner only.
 394                    When used with S-Video, that ADC is busy dealing with
 395                    chroma, so an external must be used for baseband audio */
 396                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 397                     INPUT(input).type != CX88_VMUX_CABLE) {
 398                         /* "I2S ADC mode" */
 399                         core->tvaudio = WW_I2SADC;
 400                         cx88_set_tvaudio(core);
 401                 } else {
 402                         /* Normal mode */
 403                         cx_write(AUD_I2SCNTL, 0x0);
 404                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 405                 }
 406         }
 407
 408         return 0;
 409 }
 410 EXPORT_SYMBOL(cx88_video_mux);
 411
 412 /* ------------------------------------------------------------------ */
 413
 414 static int start_video_dma(struct cx8800_dev    *dev,
 415                            struct cx88_dmaqueue *q,
 416                            struct cx88_buffer   *buf)
 417 {
 418         struct cx88_core *core = dev->core;
 419
 420         /* setup fifo + format */
 421         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 422                                 buf->bpl, buf->risc.dma);
 423         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 424         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 425
 426         /* reset counter */
 427         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 428         q->count = 1;
 429
 430         /* enable irqs */
 431         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 432
 433         /* Enables corresponding bits at PCI_INT_STAT:
 434                 bits 0 to 4: video, audio, transport stream, VIP, Host
 435                 bit 7: timer
 436                 bits 8 and 9: DMA complete for: SRC, DST
 437                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 438                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 439          */
 440         cx_set(MO_VID_INTMSK, 0x0f0011);
 441
 442         /* enable capture */
 443         cx_set(VID_CAPTURE_CONTROL,0x06);
 444
 445         /* start dma */
 446         cx_set(MO_DEV_CNTRL2, (1<<5));
 447         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 448
 449         return 0;
 450 }
 451
 452 #ifdef CONFIG_PM
 453 static int stop_video_dma(struct cx8800_dev    *dev)
 454 {
 455         struct cx88_core *core = dev->core;
 456
 457         /* stop dma */
 458         cx_clear(MO_VID_DMACNTRL, 0x11);
 459
 460         /* disable capture */
 461         cx_clear(VID_CAPTURE_CONTROL,0x06);
 462
 463         /* disable irqs */
 464         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 465         cx_clear(MO_VID_INTMSK, 0x0f0011);
 466         return 0;
 467 }
 468 #endif
 469
 470 static int restart_video_queue(struct cx8800_dev    *dev,
 471                                struct cx88_dmaqueue *q)
 472 {
 473         struct cx88_core *core = dev->core;
 474         struct cx88_buffer *buf, *prev;
 475
 476         if (!list_empty(&q->active)) {
 477                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 478                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 479                         buf, buf->vb.i);
 480                 start_video_dma(dev, q, buf);
 481                 list_for_each_entry(buf, &q->active, vb.queue)
 482                         buf->count = q->count++;
 483                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 484                 return 0;
 485         }
 486
 487         prev = NULL;
 488         for (;;) {
 489                 if (list_empty(&q->queued))
 490                         return 0;
 491                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 492                 if (NULL == prev) {
 493                         list_move_tail(&buf->vb.queue, &q->active);
 494                         start_video_dma(dev, q, buf);
 495                         buf->vb.state = VIDEOBUF_ACTIVE;
 496                         buf->count    = q->count++;
 497                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 498                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 499                                 buf,buf->vb.i);
 500
 501                 } else if (prev->vb.width  == buf->vb.width  &&
 502                            prev->vb.height == buf->vb.height &&
 503                            prev->fmt       == buf->fmt) {
 504                         list_move_tail(&buf->vb.queue, &q->active);
 505                         buf->vb.state = VIDEOBUF_ACTIVE;
 506                         buf->count    = q->count++;
 507                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 508                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 509                                 buf,buf->vb.i);
 510                 } else {
 511                         return 0;
 512                 }
 513                 prev = buf;
 514         }
 515 }
 516
 517 /* ------------------------------------------------------------------ */
 518
 519 static int
 520 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 521 {
 522         struct cx8800_fh *fh = q->priv_data;
 523         struct cx8800_dev  *dev = fh->dev;
 524
 525         *size = dev->fmt->depth * dev->width * dev->height >> 3;
 526         if (0 == *count)
 527                 *count = 32;
 528         if (*size * *count > vid_limit * 1024 * 1024)
 529                 *count = (vid_limit * 1024 * 1024) / *size;
 530         return 0;
 531 }
 532
 533 static int
 534 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 535                enum v4l2_field field)
 536 {
 537         struct cx8800_fh   *fh  = q->priv_data;
 538         struct cx8800_dev  *dev = fh->dev;
 539         struct cx88_core *core = dev->core;
 540         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 541         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 542         int rc, init_buffer = 0;
 543
 544         BUG_ON(NULL == dev->fmt);
 545         if (dev->width  < 48 || dev->width  > norm_maxw(core->tvnorm) ||
 546             dev->height < 32 || dev->height > norm_maxh(core->tvnorm))
 547                 return -EINVAL;
 548         buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 549         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 550                 return -EINVAL;
 551
 552         if (buf->fmt       != dev->fmt    ||
 553             buf->vb.width  != dev->width  ||
 554             buf->vb.height != dev->height ||
 555             buf->vb.field  != field) {
 556                 buf->fmt       = dev->fmt;
 557                 buf->vb.width  = dev->width;
 558                 buf->vb.height = dev->height;
 559                 buf->vb.field  = field;
 560                 init_buffer = 1;
 561         }
 562
 563         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 564                 init_buffer = 1;
 565                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 566                         goto fail;
 567         }
 568
 569         if (init_buffer) {
 570                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 571                 switch (buf->vb.field) {
 572                 case V4L2_FIELD_TOP:
 573                         cx88_risc_buffer(dev->pci, &buf->risc,
 574                                          dma->sglist, 0, UNSET,
 575                                          buf->bpl, 0, buf->vb.height);
 576                         break;
 577                 case V4L2_FIELD_BOTTOM:
 578                         cx88_risc_buffer(dev->pci, &buf->risc,
 579                                          dma->sglist, UNSET, 0,
 580                                          buf->bpl, 0, buf->vb.height);
 581                         break;
 582                 case V4L2_FIELD_INTERLACED:
 583                         cx88_risc_buffer(dev->pci, &buf->risc,
 584                                          dma->sglist, 0, buf->bpl,
 585                                          buf->bpl, buf->bpl,
 586                                          buf->vb.height >> 1);
 587                         break;
 588                 case V4L2_FIELD_SEQ_TB:
 589                         cx88_risc_buffer(dev->pci, &buf->risc,
 590                                          dma->sglist,
 591                                          0, buf->bpl * (buf->vb.height >> 1),
 592                                          buf->bpl, 0,
 593                                          buf->vb.height >> 1);
 594                         break;
 595                 case V4L2_FIELD_SEQ_BT:
 596                         cx88_risc_buffer(dev->pci, &buf->risc,
 597                                          dma->sglist,
 598                                          buf->bpl * (buf->vb.height >> 1), 0,
 599                                          buf->bpl, 0,
 600                                          buf->vb.height >> 1);
 601                         break;
 602                 default:
 603                         BUG();
 604                 }
 605         }
 606         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 607                 buf, buf->vb.i,
 608                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 609                 (unsigned long)buf->risc.dma);
 610
 611         buf->vb.state = VIDEOBUF_PREPARED;
 612         return 0;
 613
 614  fail:
 615         cx88_free_buffer(q,buf);
 616         return rc;
 617 }
 618
 619 static void
 620 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 621 {
 622         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 623         struct cx88_buffer    *prev;
 624         struct cx8800_fh      *fh   = vq->priv_data;
 625         struct cx8800_dev     *dev  = fh->dev;
 626         struct cx88_core      *core = dev->core;
 627         struct cx88_dmaqueue  *q    = &dev->vidq;
 628
 629         /* add jump to stopper */
 630         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 631         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 632
 633         if (!list_empty(&q->queued)) {
 634                 list_add_tail(&buf->vb.queue,&q->queued);
 635                 buf->vb.state = VIDEOBUF_QUEUED;
 636                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 637                         buf, buf->vb.i);
 638
 639         } else if (list_empty(&q->active)) {
 640                 list_add_tail(&buf->vb.queue,&q->active);
 641                 start_video_dma(dev, q, buf);
 642                 buf->vb.state = VIDEOBUF_ACTIVE;
 643                 buf->count    = q->count++;
 644                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 645                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 646                         buf, buf->vb.i);
 647
 648         } else {
 649                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 650                 if (prev->vb.width  == buf->vb.width  &&
 651                     prev->vb.height == buf->vb.height &&
 652                     prev->fmt       == buf->fmt) {
 653                         list_add_tail(&buf->vb.queue,&q->active);
 654                         buf->vb.state = VIDEOBUF_ACTIVE;
 655                         buf->count    = q->count++;
 656                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 657                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 658                                 buf, buf->vb.i);
 659
 660                 } else {
 661                         list_add_tail(&buf->vb.queue,&q->queued);
 662                         buf->vb.state = VIDEOBUF_QUEUED;
 663                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 664                                 buf, buf->vb.i);
 665                 }
 666         }
 667 }
 668
 669 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 670 {
 671         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 672
 673         cx88_free_buffer(q,buf);
 674 }
 675
 676 static const struct videobuf_queue_ops cx8800_video_qops = {
 677         .buf_setup    = buffer_setup,
 678         .buf_prepare  = buffer_prepare,
 679         .buf_queue    = buffer_queue,
 680         .buf_release  = buffer_release,
 681 };
 682
 683 /* ------------------------------------------------------------------ */
 684
 685
 686 /* ------------------------------------------------------------------ */
 687
 688 static struct videobuf_queue *get_queue(struct file *file)
 689 {
 690         struct video_device *vdev = video_devdata(file);
 691         struct cx8800_fh *fh = file->private_data;
 692
 693         switch (vdev->vfl_type) {
 694         case VFL_TYPE_GRABBER:
 695                 return &fh->vidq;
 696         case VFL_TYPE_VBI:
 697                 return &fh->vbiq;
 698         default:
 699                 BUG();
 700                 return NULL;
 701         }
 702 }
 703
 704 static int get_resource(struct file *file)
 705 {
 706         struct video_device *vdev = video_devdata(file);
 707
 708         switch (vdev->vfl_type) {
 709         case VFL_TYPE_GRABBER:
 710                 return RESOURCE_VIDEO;
 711         case VFL_TYPE_VBI:
 712                 return RESOURCE_VBI;
 713         default:
 714                 BUG();
 715                 return 0;
 716         }
 717 }
 718
 719 static int video_open(struct file *file)
 720 {
 721         struct video_device *vdev = video_devdata(file);
 722         struct cx8800_dev *dev = video_drvdata(file);
 723         struct cx88_core *core = dev->core;
 724         struct cx8800_fh *fh;
 725         enum v4l2_buf_type type = 0;
 726         int radio = 0;
 727
 728         switch (vdev->vfl_type) {
 729         case VFL_TYPE_GRABBER:
 730                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 731                 break;
 732         case VFL_TYPE_VBI:
 733                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
 734                 break;
 735         case VFL_TYPE_RADIO:
 736                 radio = 1;
 737                 break;
 738         }
 739
 740         dprintk(1, "open dev=%s radio=%d type=%s\n",
 741                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
 742
 743         /* allocate + initialize per filehandle data */
 744         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 745         if (unlikely(!fh))
 746                 return -ENOMEM;
 747
 748         v4l2_fh_init(&fh->fh, vdev);
 749         file->private_data = fh;
 750         fh->dev      = dev;
 751
 752         mutex_lock(&core->lock);
 753
 754         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 755                             &dev->pci->dev, &dev->slock,
 756                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 757                             V4L2_FIELD_INTERLACED,
 758                             sizeof(struct cx88_buffer),
 759                             fh, NULL);
 760         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 761                             &dev->pci->dev, &dev->slock,
 762                             V4L2_BUF_TYPE_VBI_CAPTURE,
 763                             V4L2_FIELD_SEQ_TB,
 764                             sizeof(struct cx88_buffer),
 765                             fh, NULL);
 766
 767         if (vdev->vfl_type == VFL_TYPE_RADIO) {
 768                 dprintk(1,"video_open: setting radio device\n");
 769                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 770                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 771                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 772                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 773                 if (core->board.radio.audioroute) {
 774                         if(core->board.audio_chip &&
 775                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 776                                 call_all(core, audio, s_routing,
 777                                         core->board.radio.audioroute, 0, 0);
 778                         }
 779                         /* "I2S ADC mode" */
 780                         core->tvaudio = WW_I2SADC;
 781                         cx88_set_tvaudio(core);
 782                 } else {
 783                         /* FM Mode */
 784                         core->tvaudio = WW_FM;
 785                         cx88_set_tvaudio(core);
 786                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 787                 }
 788                 call_all(core, tuner, s_radio);
 789         }
 790
 791         core->users++;
 792         mutex_unlock(&core->lock);
 793         v4l2_fh_add(&fh->fh);
 794
 795         return 0;
 796 }
 797
 798 static ssize_t
 799 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 800 {
 801         struct video_device *vdev = video_devdata(file);
 802         struct cx8800_fh *fh = file->private_data;
 803
 804         switch (vdev->vfl_type) {
 805         case VFL_TYPE_GRABBER:
 806                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 807                         return -EBUSY;
 808                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 809                                          file->f_flags & O_NONBLOCK);
 810         case VFL_TYPE_VBI:
 811                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 812                         return -EBUSY;
 813                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 814                                             file->f_flags & O_NONBLOCK);
 815         default:
 816                 BUG();
 817                 return 0;
 818         }
 819 }
 820
 821 static unsigned int
 822 video_poll(struct file *file, struct poll_table_struct *wait)
 823 {
 824         struct video_device *vdev = video_devdata(file);
 825         struct cx8800_fh *fh = file->private_data;
 826         struct cx88_buffer *buf;
 827         unsigned int rc = v4l2_ctrl_poll(file, wait);
 828
 829         if (vdev->vfl_type == VFL_TYPE_VBI) {
 830                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 831                         return rc | POLLERR;
 832                 return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
 833         }
 834         mutex_lock(&fh->vidq.vb_lock);
 835         if (res_check(fh,RESOURCE_VIDEO)) {
 836                 /* streaming capture */
 837                 if (list_empty(&fh->vidq.stream))
 838                         goto done;
 839                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 840         } else {
 841                 /* read() capture */
 842                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 843                 if (NULL == buf)
 844                         goto done;
 845         }
 846         poll_wait(file, &buf->vb.done, wait);
 847         if (buf->vb.state == VIDEOBUF_DONE ||
 848             buf->vb.state == VIDEOBUF_ERROR)
 849                 rc |= POLLIN|POLLRDNORM;
 850 done:
 851         mutex_unlock(&fh->vidq.vb_lock);
 852         return rc;
 853 }
 854
 855 static int video_release(struct file *file)
 856 {
 857         struct cx8800_fh  *fh  = file->private_data;
 858         struct cx8800_dev *dev = fh->dev;
 859
 860         /* turn off overlay */
 861         if (res_check(fh, RESOURCE_OVERLAY)) {
 862                 /* FIXME */
 863                 res_free(dev,fh,RESOURCE_OVERLAY);
 864         }
 865
 866         /* stop video capture */
 867         if (res_check(fh, RESOURCE_VIDEO)) {
 868                 videobuf_queue_cancel(&fh->vidq);
 869                 res_free(dev,fh,RESOURCE_VIDEO);
 870         }
 871         if (fh->vidq.read_buf) {
 872                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 873                 kfree(fh->vidq.read_buf);
 874         }
 875
 876         /* stop vbi capture */
 877         if (res_check(fh, RESOURCE_VBI)) {
 878                 videobuf_stop(&fh->vbiq);
 879                 res_free(dev,fh,RESOURCE_VBI);
 880         }
 881
 882         videobuf_mmap_free(&fh->vidq);
 883         videobuf_mmap_free(&fh->vbiq);
 884
 885         mutex_lock(&dev->core->lock);
 886         v4l2_fh_del(&fh->fh);
 887         v4l2_fh_exit(&fh->fh);
 888         file->private_data = NULL;
 889         kfree(fh);
 890
 891         dev->core->users--;
 892         if (!dev->core->users)
 893                 call_all(dev->core, core, s_power, 0);
 894         mutex_unlock(&dev->core->lock);
 895
 896         return 0;
 897 }
 898
 899 static int
 900 video_mmap(struct file *file, struct vm_area_struct * vma)
 901 {
 902         return videobuf_mmap_mapper(get_queue(file), vma);
 903 }
 904
 905 /* ------------------------------------------------------------------ */
 906 /* VIDEO CTRL IOCTLS                                                  */
 907
 908 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 909 {
 910         struct cx88_core *core =
 911                 container_of(ctrl->handler, struct cx88_core, video_hdl);
 912         const struct cx88_ctrl *cc = ctrl->priv;
 913         u32 value, mask;
 914
 915         mask = cc->mask;
 916         switch (ctrl->id) {
 917         case V4L2_CID_SATURATION:
 918                 /* special v_sat handling */
 919
 920                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 921
 922                 if (core->tvnorm & V4L2_STD_SECAM) {
 923                         /* For SECAM, both U and V sat should be equal */
 924                         value = value << 8 | value;
 925                 } else {
 926                         /* Keeps U Saturation proportional to V Sat */
 927                         value = (value * 0x5a) / 0x7f << 8 | value;
 928                 }
 929                 mask = 0xffff;
 930                 break;
 931         case V4L2_CID_SHARPNESS:
 932                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
 933                 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
 934                 /* needs to be set for both fields */
 935                 cx_andor(MO_FILTER_EVEN, mask, value);
 936                 break;
 937         case V4L2_CID_CHROMA_AGC:
 938                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 939                 break;
 940         default:
 941                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 942                 break;
 943         }
 944         dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 945                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 946                                 mask, cc->sreg ? " [shadowed]" : "");
 947         if (cc->sreg)
 948                 cx_sandor(cc->sreg, cc->reg, mask, value);
 949         else
 950                 cx_andor(cc->reg, mask, value);
 951         return 0;
 952 }
 953
 954 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 955 {
 956         struct cx88_core *core =
 957                 container_of(ctrl->handler, struct cx88_core, audio_hdl);
 958         const struct cx88_ctrl *cc = ctrl->priv;
 959         u32 value,mask;
 960
 961         /* Pass changes onto any WM8775 */
 962         if (core->board.audio_chip == V4L2_IDENT_WM8775) {
 963                 switch (ctrl->id) {
 964                 case V4L2_CID_AUDIO_MUTE:
 965                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
 966                         break;
 967                 case V4L2_CID_AUDIO_VOLUME:
 968                         wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
 969                                                 (0x90 + ctrl->val) << 8 : 0);
 970                         break;
 971                 case V4L2_CID_AUDIO_BALANCE:
 972                         wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
 973                         break;
 974                 default:
 975                         break;
 976                 }
 977         }
 978
 979         mask = cc->mask;
 980         switch (ctrl->id) {
 981         case V4L2_CID_AUDIO_BALANCE:
 982                 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
 983                 break;
 984         case V4L2_CID_AUDIO_VOLUME:
 985                 value = 0x3f - (ctrl->val & 0x3f);
 986                 break;
 987         default:
 988                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 989                 break;
 990         }
 991         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 992                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 993                                 mask, cc->sreg ? " [shadowed]" : "");
 994         if (cc->sreg)
 995                 cx_sandor(cc->sreg, cc->reg, mask, value);
 996         else
 997                 cx_andor(cc->reg, mask, value);
 998         return 0;
 999 }
1000
1001 /* ------------------------------------------------------------------ */
1002 /* VIDEO IOCTLS                                                       */
1003
1004 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1005                                         struct v4l2_format *f)
1006 {
1007         struct cx8800_fh  *fh   = priv;
1008         struct cx8800_dev *dev = fh->dev;
1009
1010         f->fmt.pix.width        = dev->width;
1011         f->fmt.pix.height       = dev->height;
1012         f->fmt.pix.field        = fh->vidq.field;
1013         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1014         f->fmt.pix.bytesperline =
1015                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1016         f->fmt.pix.sizeimage =
1017                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1018         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1019         return 0;
1020 }
1021
1022 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1023                         struct v4l2_format *f)
1024 {
1025         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1026         const struct cx8800_fmt *fmt;
1027         enum v4l2_field   field;
1028         unsigned int      maxw, maxh;
1029
1030         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1031         if (NULL == fmt)
1032                 return -EINVAL;
1033
1034         field = f->fmt.pix.field;
1035         maxw  = norm_maxw(core->tvnorm);
1036         maxh  = norm_maxh(core->tvnorm);
1037
1038         if (V4L2_FIELD_ANY == field) {
1039                 field = (f->fmt.pix.height > maxh/2)
1040                         ? V4L2_FIELD_INTERLACED
1041                         : V4L2_FIELD_BOTTOM;
1042         }
1043
1044         switch (field) {
1045         case V4L2_FIELD_TOP:
1046         case V4L2_FIELD_BOTTOM:
1047                 maxh = maxh / 2;
1048                 break;
1049         case V4L2_FIELD_INTERLACED:
1050                 break;
1051         default:
1052                 return -EINVAL;
1053         }
1054
1055         f->fmt.pix.field = field;
1056         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1057                               &f->fmt.pix.height, 32, maxh, 0, 0);
1058         f->fmt.pix.bytesperline =
1059                 (f->fmt.pix.width * fmt->depth) >> 3;
1060         f->fmt.pix.sizeimage =
1061                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1062
1063         return 0;
1064 }
1065
1066 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1067                                         struct v4l2_format *f)
1068 {
1069         struct cx8800_fh  *fh   = priv;
1070         struct cx8800_dev *dev = fh->dev;
1071         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1072
1073         if (0 != err)
1074                 return err;
1075         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1076         dev->width      = f->fmt.pix.width;
1077         dev->height     = f->fmt.pix.height;
1078         fh->vidq.field = f->fmt.pix.field;
1079         return 0;
1080 }
1081
1082 void cx88_querycap(struct file *file, struct cx88_core *core,
1083                 struct v4l2_capability *cap)
1084 {
1085         struct video_device *vdev = video_devdata(file);
1086
1087         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1088         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1089         if (UNSET != core->board.tuner_type)
1090                 cap->device_caps |= V4L2_CAP_TUNER;
1091         switch (vdev->vfl_type) {
1092         case VFL_TYPE_RADIO:
1093                 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1094                 break;
1095         case VFL_TYPE_GRABBER:
1096                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1097                 break;
1098         case VFL_TYPE_VBI:
1099                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1100                 break;
1101         }
1102         cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1103                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1104         if (core->board.radio.type == CX88_RADIO)
1105                 cap->capabilities |= V4L2_CAP_RADIO;
1106 }
1107 EXPORT_SYMBOL(cx88_querycap);
1108
1109 static int vidioc_querycap(struct file *file, void  *priv,
1110                                         struct v4l2_capability *cap)
1111 {
1112         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1113         struct cx88_core  *core = dev->core;
1114
1115         strcpy(cap->driver, "cx8800");
1116         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1117         cx88_querycap(file, core, cap);
1118         return 0;
1119 }
1120
1121 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1122                                         struct v4l2_fmtdesc *f)
1123 {
1124         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1125                 return -EINVAL;
1126
1127         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1128         f->pixelformat = formats[f->index].fourcc;
1129
1130         return 0;
1131 }
1132
1133 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1134 {
1135         return videobuf_reqbufs(get_queue(file), p);
1136 }
1137
1138 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1139 {
1140         return videobuf_querybuf(get_queue(file), p);
1141 }
1142
1143 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1144 {
1145         return videobuf_qbuf(get_queue(file), p);
1146 }
1147
1148 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1149 {
1150         return videobuf_dqbuf(get_queue(file), p,
1151                                 file->f_flags & O_NONBLOCK);
1152 }
1153
1154 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1155 {
1156         struct video_device *vdev = video_devdata(file);
1157         struct cx8800_fh  *fh   = priv;
1158         struct cx8800_dev *dev  = fh->dev;
1159
1160         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1161             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1162                 return -EINVAL;
1163
1164         if (unlikely(!res_get(dev, fh, get_resource(file))))
1165                 return -EBUSY;
1166         return videobuf_streamon(get_queue(file));
1167 }
1168
1169 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1170 {
1171         struct video_device *vdev = video_devdata(file);
1172         struct cx8800_fh  *fh   = priv;
1173         struct cx8800_dev *dev  = fh->dev;
1174         int               err, res;
1175
1176         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1177             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1178                 return -EINVAL;
1179
1180         res = get_resource(file);
1181         err = videobuf_streamoff(get_queue(file));
1182         if (err < 0)
1183                 return err;
1184         res_free(dev,fh,res);
1185         return 0;
1186 }
1187
1188 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1189 {
1190         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1191
1192         *tvnorm = core->tvnorm;
1193         return 0;
1194 }
1195
1196 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1197 {
1198         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1199
1200         mutex_lock(&core->lock);
1201         cx88_set_tvnorm(core,*tvnorms);
1202         mutex_unlock(&core->lock);
1203
1204         return 0;
1205 }
1206
1207 /* only one input in this sample driver */
1208 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1209 {
1210         static const char * const iname[] = {
1211                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1212                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1213                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1214                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1215                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1216                 [ CX88_VMUX_TELEVISION ] = "Television",
1217                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1218                 [ CX88_VMUX_DVB        ] = "DVB",
1219                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1220         };
1221         unsigned int n = i->index;
1222
1223         if (n >= 4)
1224                 return -EINVAL;
1225         if (0 == INPUT(n).type)
1226                 return -EINVAL;
1227         i->type  = V4L2_INPUT_TYPE_CAMERA;
1228         strcpy(i->name,iname[INPUT(n).type]);
1229         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1230             (CX88_VMUX_CABLE      == INPUT(n).type)) {
1231                 i->type = V4L2_INPUT_TYPE_TUNER;
1232         }
1233         i->std = CX88_NORMS;
1234         return 0;
1235 }
1236 EXPORT_SYMBOL(cx88_enum_input);
1237
1238 static int vidioc_enum_input (struct file *file, void *priv,
1239                                 struct v4l2_input *i)
1240 {
1241         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1242         return cx88_enum_input (core,i);
1243 }
1244
1245 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1246 {
1247         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1248
1249         *i = core->input;
1250         return 0;
1251 }
1252
1253 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1254 {
1255         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1256
1257         if (i >= 4)
1258                 return -EINVAL;
1259         if (0 == INPUT(i).type)
1260                 return -EINVAL;
1261
1262         mutex_lock(&core->lock);
1263         cx88_newstation(core);
1264         cx88_video_mux(core,i);
1265         mutex_unlock(&core->lock);
1266         return 0;
1267 }
1268
1269 static int vidioc_g_tuner (struct file *file, void *priv,
1270                                 struct v4l2_tuner *t)
1271 {
1272         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1273         u32 reg;
1274
1275         if (unlikely(UNSET == core->board.tuner_type))
1276                 return -EINVAL;
1277         if (0 != t->index)
1278                 return -EINVAL;
1279
1280         strcpy(t->name, "Television");
1281         t->capability = V4L2_TUNER_CAP_NORM;
1282         t->rangehigh  = 0xffffffffUL;
1283         call_all(core, tuner, g_tuner, t);
1284
1285         cx88_get_stereo(core ,t);
1286         reg = cx_read(MO_DEVICE_STATUS);
1287         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1288         return 0;
1289 }
1290
1291 static int vidioc_s_tuner (struct file *file, void *priv,
1292                                 struct v4l2_tuner *t)
1293 {
1294         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1295
1296         if (UNSET == core->board.tuner_type)
1297                 return -EINVAL;
1298         if (0 != t->index)
1299                 return -EINVAL;
1300
1301         cx88_set_stereo(core, t->audmode, 1);
1302         return 0;
1303 }
1304
1305 static int vidioc_g_frequency (struct file *file, void *priv,
1306                                 struct v4l2_frequency *f)
1307 {
1308         struct cx8800_fh  *fh   = priv;
1309         struct cx88_core  *core = fh->dev->core;
1310
1311         if (unlikely(UNSET == core->board.tuner_type))
1312                 return -EINVAL;
1313         if (f->tuner)
1314                 return -EINVAL;
1315
1316         f->frequency = core->freq;
1317
1318         call_all(core, tuner, g_frequency, f);
1319
1320         return 0;
1321 }
1322
1323 int cx88_set_freq (struct cx88_core  *core,
1324                                 struct v4l2_frequency *f)
1325 {
1326         if (unlikely(UNSET == core->board.tuner_type))
1327                 return -EINVAL;
1328         if (unlikely(f->tuner != 0))
1329                 return -EINVAL;
1330
1331         mutex_lock(&core->lock);
1332         cx88_newstation(core);
1333         call_all(core, tuner, s_frequency, f);
1334         call_all(core, tuner, g_frequency, f);
1335         core->freq = f->frequency;
1336
1337         /* When changing channels it is required to reset TVAUDIO */
1338         msleep (10);
1339         cx88_set_tvaudio(core);
1340
1341         mutex_unlock(&core->lock);
1342
1343         return 0;
1344 }
1345 EXPORT_SYMBOL(cx88_set_freq);
1346
1347 static int vidioc_s_frequency (struct file *file, void *priv,
1348                                 struct v4l2_frequency *f)
1349 {
1350         struct cx8800_fh  *fh   = priv;
1351         struct cx88_core  *core = fh->dev->core;
1352
1353         return cx88_set_freq(core, f);
1354 }
1355
1356 static int vidioc_g_chip_ident(struct file *file, void *priv,
1357                                 struct v4l2_dbg_chip_ident *chip)
1358 {
1359         if (!v4l2_chip_match_host(&chip->match))
1360                 return -EINVAL;
1361         chip->revision = 0;
1362         chip->ident = V4L2_IDENT_UNKNOWN;
1363         return 0;
1364 }
1365
1366 #ifdef CONFIG_VIDEO_ADV_DEBUG
1367 static int vidioc_g_register (struct file *file, void *fh,
1368                                 struct v4l2_dbg_register *reg)
1369 {
1370         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1371
1372         if (!v4l2_chip_match_host(&reg->match))
1373                 return -EINVAL;
1374         /* cx2388x has a 24-bit register space */
1375         reg->val = cx_read(reg->reg & 0xffffff);
1376         reg->size = 4;
1377         return 0;
1378 }
1379
1380 static int vidioc_s_register (struct file *file, void *fh,
1381                                 struct v4l2_dbg_register *reg)
1382 {
1383         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1384
1385         if (!v4l2_chip_match_host(&reg->match))
1386                 return -EINVAL;
1387         cx_write(reg->reg & 0xffffff, reg->val);
1388         return 0;
1389 }
1390 #endif
1391
1392 /* ----------------------------------------------------------- */
1393 /* RADIO ESPECIFIC IOCTLS                                      */
1394 /* ----------------------------------------------------------- */
1395
1396 static int radio_g_tuner (struct file *file, void *priv,
1397                                 struct v4l2_tuner *t)
1398 {
1399         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1400
1401         if (unlikely(t->index > 0))
1402                 return -EINVAL;
1403
1404         strcpy(t->name, "Radio");
1405
1406         call_all(core, tuner, g_tuner, t);
1407         return 0;
1408 }
1409
1410 /* FIXME: Should add a standard for radio */
1411
1412 static int radio_s_tuner (struct file *file, void *priv,
1413                                 struct v4l2_tuner *t)
1414 {
1415         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1416
1417         if (0 != t->index)
1418                 return -EINVAL;
1419         if (t->audmode > V4L2_TUNER_MODE_STEREO)
1420                 t->audmode = V4L2_TUNER_MODE_STEREO;
1421
1422         call_all(core, tuner, s_tuner, t);
1423
1424         return 0;
1425 }
1426
1427 /* ----------------------------------------------------------- */
1428
1429 static void cx8800_vid_timeout(unsigned long data)
1430 {
1431         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1432         struct cx88_core *core = dev->core;
1433         struct cx88_dmaqueue *q = &dev->vidq;
1434         struct cx88_buffer *buf;
1435         unsigned long flags;
1436
1437         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1438
1439         cx_clear(MO_VID_DMACNTRL, 0x11);
1440         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1441
1442         spin_lock_irqsave(&dev->slock,flags);
1443         while (!list_empty(&q->active)) {
1444                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1445                 list_del(&buf->vb.queue);
1446                 buf->vb.state = VIDEOBUF_ERROR;
1447                 wake_up(&buf->vb.done);
1448                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1449                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1450         }
1451         restart_video_queue(dev,q);
1452         spin_unlock_irqrestore(&dev->slock,flags);
1453 }
1454
1455 static const char *cx88_vid_irqs[32] = {
1456         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1457         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1458         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1459         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1460         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1461 };
1462
1463 static void cx8800_vid_irq(struct cx8800_dev *dev)
1464 {
1465         struct cx88_core *core = dev->core;
1466         u32 status, mask, count;
1467
1468         status = cx_read(MO_VID_INTSTAT);
1469         mask   = cx_read(MO_VID_INTMSK);
1470         if (0 == (status & mask))
1471                 return;
1472         cx_write(MO_VID_INTSTAT, status);
1473         if (irq_debug  ||  (status & mask & ~0xff))
1474                 cx88_print_irqbits(core->name, "irq vid",
1475                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1476                                    status, mask);
1477
1478         /* risc op code error */
1479         if (status & (1 << 16)) {
1480                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1481                 cx_clear(MO_VID_DMACNTRL, 0x11);
1482                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1483                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1484         }
1485
1486         /* risc1 y */
1487         if (status & 0x01) {
1488                 spin_lock(&dev->slock);
1489                 count = cx_read(MO_VIDY_GPCNT);
1490                 cx88_wakeup(core, &dev->vidq, count);
1491                 spin_unlock(&dev->slock);
1492         }
1493
1494         /* risc1 vbi */
1495         if (status & 0x08) {
1496                 spin_lock(&dev->slock);
1497                 count = cx_read(MO_VBI_GPCNT);
1498                 cx88_wakeup(core, &dev->vbiq, count);
1499                 spin_unlock(&dev->slock);
1500         }
1501
1502         /* risc2 y */
1503         if (status & 0x10) {
1504                 dprintk(2,"stopper video\n");
1505                 spin_lock(&dev->slock);
1506                 restart_video_queue(dev,&dev->vidq);
1507                 spin_unlock(&dev->slock);
1508         }
1509
1510         /* risc2 vbi */
1511         if (status & 0x80) {
1512                 dprintk(2,"stopper vbi\n");
1513                 spin_lock(&dev->slock);
1514                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1515                 spin_unlock(&dev->slock);
1516         }
1517 }
1518
1519 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1520 {
1521         struct cx8800_dev *dev = dev_id;
1522         struct cx88_core *core = dev->core;
1523         u32 status;
1524         int loop, handled = 0;
1525
1526         for (loop = 0; loop < 10; loop++) {
1527                 status = cx_read(MO_PCI_INTSTAT) &
1528                         (core->pci_irqmask | PCI_INT_VIDINT);
1529                 if (0 == status)
1530                         goto out;
1531                 cx_write(MO_PCI_INTSTAT, status);
1532                 handled = 1;
1533
1534                 if (status & core->pci_irqmask)
1535                         cx88_core_irq(core,status);
1536                 if (status & PCI_INT_VIDINT)
1537                         cx8800_vid_irq(dev);
1538         }
1539         if (10 == loop) {
1540                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1541                        core->name);
1542                 cx_write(MO_PCI_INTMSK,0);
1543         }
1544
1545  out:
1546         return IRQ_RETVAL(handled);
1547 }
1548
1549 /* ----------------------------------------------------------- */
1550 /* exported stuff                                              */
1551
1552 static const struct v4l2_file_operations video_fops =
1553 {
1554         .owner         = THIS_MODULE,
1555         .open          = video_open,
1556         .release       = video_release,
1557         .read          = video_read,
1558         .poll          = video_poll,
1559         .mmap          = video_mmap,
1560         .unlocked_ioctl = video_ioctl2,
1561 };
1562
1563 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1564         .vidioc_querycap      = vidioc_querycap,
1565         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1566         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1567         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1568         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1569         .vidioc_reqbufs       = vidioc_reqbufs,
1570         .vidioc_querybuf      = vidioc_querybuf,
1571         .vidioc_qbuf          = vidioc_qbuf,
1572         .vidioc_dqbuf         = vidioc_dqbuf,
1573         .vidioc_g_std         = vidioc_g_std,
1574         .vidioc_s_std         = vidioc_s_std,
1575         .vidioc_enum_input    = vidioc_enum_input,
1576         .vidioc_g_input       = vidioc_g_input,
1577         .vidioc_s_input       = vidioc_s_input,
1578         .vidioc_streamon      = vidioc_streamon,
1579         .vidioc_streamoff     = vidioc_streamoff,
1580         .vidioc_g_tuner       = vidioc_g_tuner,
1581         .vidioc_s_tuner       = vidioc_s_tuner,
1582         .vidioc_g_frequency   = vidioc_g_frequency,
1583         .vidioc_s_frequency   = vidioc_s_frequency,
1584         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1585         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1586         .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1587 #ifdef CONFIG_VIDEO_ADV_DEBUG
1588         .vidioc_g_register    = vidioc_g_register,
1589         .vidioc_s_register    = vidioc_s_register,
1590 #endif
1591 };
1592
1593 static const struct video_device cx8800_video_template = {
1594         .name                 = "cx8800-video",
1595         .fops                 = &video_fops,
1596         .ioctl_ops            = &video_ioctl_ops,
1597         .tvnorms              = CX88_NORMS,
1598 };
1599
1600 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1601         .vidioc_querycap      = vidioc_querycap,
1602         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1603         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1604         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1605         .vidioc_reqbufs       = vidioc_reqbufs,
1606         .vidioc_querybuf      = vidioc_querybuf,
1607         .vidioc_qbuf          = vidioc_qbuf,
1608         .vidioc_dqbuf         = vidioc_dqbuf,
1609         .vidioc_g_std         = vidioc_g_std,
1610         .vidioc_s_std         = vidioc_s_std,
1611         .vidioc_enum_input    = vidioc_enum_input,
1612         .vidioc_g_input       = vidioc_g_input,
1613         .vidioc_s_input       = vidioc_s_input,
1614         .vidioc_streamon      = vidioc_streamon,
1615         .vidioc_streamoff     = vidioc_streamoff,
1616         .vidioc_g_tuner       = vidioc_g_tuner,
1617         .vidioc_s_tuner       = vidioc_s_tuner,
1618         .vidioc_g_frequency   = vidioc_g_frequency,
1619         .vidioc_s_frequency   = vidioc_s_frequency,
1620         .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1621 #ifdef CONFIG_VIDEO_ADV_DEBUG
1622         .vidioc_g_register    = vidioc_g_register,
1623         .vidioc_s_register    = vidioc_s_register,
1624 #endif
1625 };
1626
1627 static const struct video_device cx8800_vbi_template = {
1628         .name                 = "cx8800-vbi",
1629         .fops                 = &video_fops,
1630         .ioctl_ops            = &vbi_ioctl_ops,
1631         .tvnorms              = CX88_NORMS,
1632 };
1633
1634 static const struct v4l2_file_operations radio_fops =
1635 {
1636         .owner         = THIS_MODULE,
1637         .open          = video_open,
1638         .poll          = v4l2_ctrl_poll,
1639         .release       = video_release,
1640         .unlocked_ioctl = video_ioctl2,
1641 };
1642
1643 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1644         .vidioc_querycap      = vidioc_querycap,
1645         .vidioc_g_tuner       = radio_g_tuner,
1646         .vidioc_s_tuner       = radio_s_tuner,
1647         .vidioc_g_frequency   = vidioc_g_frequency,
1648         .vidioc_s_frequency   = vidioc_s_frequency,
1649         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1650         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1651         .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1652 #ifdef CONFIG_VIDEO_ADV_DEBUG
1653         .vidioc_g_register    = vidioc_g_register,
1654         .vidioc_s_register    = vidioc_s_register,
1655 #endif
1656 };
1657
1658 static const struct video_device cx8800_radio_template = {
1659         .name                 = "cx8800-radio",
1660         .fops                 = &radio_fops,
1661         .ioctl_ops            = &radio_ioctl_ops,
1662 };
1663
1664 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1665         .s_ctrl = cx8800_s_vid_ctrl,
1666 };
1667
1668 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1669         .s_ctrl = cx8800_s_aud_ctrl,
1670 };
1671
1672 /* ----------------------------------------------------------- */
1673
1674 static void cx8800_unregister_video(struct cx8800_dev *dev)
1675 {
1676         if (dev->radio_dev) {
1677                 if (video_is_registered(dev->radio_dev))
1678                         video_unregister_device(dev->radio_dev);
1679                 else
1680                         video_device_release(dev->radio_dev);
1681                 dev->radio_dev = NULL;
1682         }
1683         if (dev->vbi_dev) {
1684                 if (video_is_registered(dev->vbi_dev))
1685                         video_unregister_device(dev->vbi_dev);
1686                 else
1687                         video_device_release(dev->vbi_dev);
1688                 dev->vbi_dev = NULL;
1689         }
1690         if (dev->video_dev) {
1691                 if (video_is_registered(dev->video_dev))
1692                         video_unregister_device(dev->video_dev);
1693                 else
1694                         video_device_release(dev->video_dev);
1695                 dev->video_dev = NULL;
1696         }
1697 }
1698
1699 static int cx8800_initdev(struct pci_dev *pci_dev,
1700                           const struct pci_device_id *pci_id)
1701 {
1702         struct cx8800_dev *dev;
1703         struct cx88_core *core;
1704         int err;
1705         int i;
1706
1707         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1708         if (NULL == dev)
1709                 return -ENOMEM;
1710
1711         /* pci init */
1712         dev->pci = pci_dev;
1713         if (pci_enable_device(pci_dev)) {
1714                 err = -EIO;
1715                 goto fail_free;
1716         }
1717         core = cx88_core_get(dev->pci);
1718         if (NULL == core) {
1719                 err = -EINVAL;
1720                 goto fail_free;
1721         }
1722         dev->core = core;
1723
1724         /* print pci info */
1725         dev->pci_rev = pci_dev->revision;
1726         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1727         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1728                "latency: %d, mmio: 0x%llx\n", core->name,
1729                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1730                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1731
1732         pci_set_master(pci_dev);
1733         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1734                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1735                 err = -EIO;
1736                 goto fail_core;
1737         }
1738
1739         /* initialize driver struct */
1740         spin_lock_init(&dev->slock);
1741         core->tvnorm = V4L2_STD_NTSC_M;
1742
1743         /* init video dma queues */
1744         INIT_LIST_HEAD(&dev->vidq.active);
1745         INIT_LIST_HEAD(&dev->vidq.queued);
1746         dev->vidq.timeout.function = cx8800_vid_timeout;
1747         dev->vidq.timeout.data     = (unsigned long)dev;
1748         init_timer(&dev->vidq.timeout);
1749         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1750                           MO_VID_DMACNTRL,0x11,0x00);
1751
1752         /* init vbi dma queues */
1753         INIT_LIST_HEAD(&dev->vbiq.active);
1754         INIT_LIST_HEAD(&dev->vbiq.queued);
1755         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1756         dev->vbiq.timeout.data     = (unsigned long)dev;
1757         init_timer(&dev->vbiq.timeout);
1758         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1759                           MO_VID_DMACNTRL,0x88,0x00);
1760
1761         /* get irq */
1762         err = request_irq(pci_dev->irq, cx8800_irq,
1763                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1764         if (err < 0) {
1765                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1766                        core->name,pci_dev->irq);
1767                 goto fail_core;
1768         }
1769         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1770
1771         for (i = 0; i < CX8800_AUD_CTLS; i++) {
1772                 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1773                 struct v4l2_ctrl *vc;
1774
1775                 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1776                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1777                 if (vc == NULL) {
1778                         err = core->audio_hdl.error;
1779                         goto fail_core;
1780                 }
1781                 vc->priv = (void *)cc;
1782         }
1783
1784         for (i = 0; i < CX8800_VID_CTLS; i++) {
1785                 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1786                 struct v4l2_ctrl *vc;
1787
1788                 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1789                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1790                 if (vc == NULL) {
1791                         err = core->video_hdl.error;
1792                         goto fail_core;
1793                 }
1794                 vc->priv = (void *)cc;
1795                 if (vc->id == V4L2_CID_CHROMA_AGC)
1796                         core->chroma_agc = vc;
1797         }
1798         v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1799
1800         /* load and configure helper modules */
1801
1802         if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1803                 struct i2c_board_info wm8775_info = {
1804                         .type = "wm8775",
1805                         .addr = 0x36 >> 1,
1806                         .platform_data = &core->wm8775_data,
1807                 };
1808                 struct v4l2_subdev *sd;
1809
1810                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1811                         core->wm8775_data.is_nova_s = true;
1812                 else
1813                         core->wm8775_data.is_nova_s = false;
1814
1815                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1816                                 &wm8775_info, NULL);
1817                 if (sd != NULL) {
1818                         core->sd_wm8775 = sd;
1819                         sd->grp_id = WM8775_GID;
1820                 }
1821         }
1822
1823         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1824                 /* This probes for a tda9874 as is used on some
1825                    Pixelview Ultra boards. */
1826                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1827                                 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1828         }
1829
1830         switch (core->boardnr) {
1831         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1832         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1833                 static const struct i2c_board_info rtc_info = {
1834                         I2C_BOARD_INFO("isl1208", 0x6f)
1835                 };
1836
1837                 request_module("rtc-isl1208");
1838                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1839         }
1840                 /* break intentionally omitted */
1841         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1842                 request_module("ir-kbd-i2c");
1843         }
1844
1845         /* Sets device info at pci_dev */
1846         pci_set_drvdata(pci_dev, dev);
1847
1848         dev->width   = 320;
1849         dev->height  = 240;
1850         dev->fmt     = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1851
1852         /* initial device configuration */
1853         mutex_lock(&core->lock);
1854         cx88_set_tvnorm(core, core->tvnorm);
1855         v4l2_ctrl_handler_setup(&core->video_hdl);
1856         v4l2_ctrl_handler_setup(&core->audio_hdl);
1857         cx88_video_mux(core, 0);
1858
1859         /* register v4l devices */
1860         dev->video_dev = cx88_vdev_init(core,dev->pci,
1861                                         &cx8800_video_template,"video");
1862         video_set_drvdata(dev->video_dev, dev);
1863         dev->video_dev->ctrl_handler = &core->video_hdl;
1864         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1865                                     video_nr[core->nr]);
1866         if (err < 0) {
1867                 printk(KERN_ERR "%s/0: can't register video device\n",
1868                        core->name);
1869                 goto fail_unreg;
1870         }
1871         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1872                core->name, video_device_node_name(dev->video_dev));
1873
1874         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1875         video_set_drvdata(dev->vbi_dev, dev);
1876         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1877                                     vbi_nr[core->nr]);
1878         if (err < 0) {
1879                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1880                        core->name);
1881                 goto fail_unreg;
1882         }
1883         printk(KERN_INFO "%s/0: registered device %s\n",
1884                core->name, video_device_node_name(dev->vbi_dev));
1885
1886         if (core->board.radio.type == CX88_RADIO) {
1887                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1888                                                 &cx8800_radio_template,"radio");
1889                 video_set_drvdata(dev->radio_dev, dev);
1890                 dev->radio_dev->ctrl_handler = &core->audio_hdl;
1891                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1892                                             radio_nr[core->nr]);
1893                 if (err < 0) {
1894                         printk(KERN_ERR "%s/0: can't register radio device\n",
1895                                core->name);
1896                         goto fail_unreg;
1897                 }
1898                 printk(KERN_INFO "%s/0: registered device %s\n",
1899                        core->name, video_device_node_name(dev->radio_dev));
1900         }
1901
1902         /* start tvaudio thread */
1903         if (core->board.tuner_type != TUNER_ABSENT) {
1904                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1905                 if (IS_ERR(core->kthread)) {
1906                         err = PTR_ERR(core->kthread);
1907                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1908                                core->name, err);
1909                 }
1910         }
1911         mutex_unlock(&core->lock);
1912
1913         return 0;
1914
1915 fail_unreg:
1916         cx8800_unregister_video(dev);
1917         free_irq(pci_dev->irq, dev);
1918         mutex_unlock(&core->lock);
1919 fail_core:
1920         cx88_core_put(core,dev->pci);
1921 fail_free:
1922         kfree(dev);
1923         return err;
1924 }
1925
1926 static void cx8800_finidev(struct pci_dev *pci_dev)
1927 {
1928         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1929         struct cx88_core *core = dev->core;
1930
1931         /* stop thread */
1932         if (core->kthread) {
1933                 kthread_stop(core->kthread);
1934                 core->kthread = NULL;
1935         }
1936
1937         if (core->ir)
1938                 cx88_ir_stop(core);
1939
1940         cx88_shutdown(core); /* FIXME */
1941         pci_disable_device(pci_dev);
1942
1943         /* unregister stuff */
1944
1945         free_irq(pci_dev->irq, dev);
1946         cx8800_unregister_video(dev);
1947         pci_set_drvdata(pci_dev, NULL);
1948
1949         /* free memory */
1950         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1951         cx88_core_put(core,dev->pci);
1952         kfree(dev);
1953 }
1954
1955 #ifdef CONFIG_PM
1956 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1957 {
1958         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1959         struct cx88_core *core = dev->core;
1960
1961         /* stop video+vbi capture */
1962         spin_lock(&dev->slock);
1963         if (!list_empty(&dev->vidq.active)) {
1964                 printk("%s/0: suspend video\n", core->name);
1965                 stop_video_dma(dev);
1966                 del_timer(&dev->vidq.timeout);
1967         }
1968         if (!list_empty(&dev->vbiq.active)) {
1969                 printk("%s/0: suspend vbi\n", core->name);
1970                 cx8800_stop_vbi_dma(dev);
1971                 del_timer(&dev->vbiq.timeout);
1972         }
1973         spin_unlock(&dev->slock);
1974
1975         if (core->ir)
1976                 cx88_ir_stop(core);
1977         /* FIXME -- shutdown device */
1978         cx88_shutdown(core);
1979
1980         pci_save_state(pci_dev);
1981         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1982                 pci_disable_device(pci_dev);
1983                 dev->state.disabled = 1;
1984         }
1985         return 0;
1986 }
1987
1988 static int cx8800_resume(struct pci_dev *pci_dev)
1989 {
1990         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1991         struct cx88_core *core = dev->core;
1992         int err;
1993
1994         if (dev->state.disabled) {
1995                 err=pci_enable_device(pci_dev);
1996                 if (err) {
1997                         printk(KERN_ERR "%s/0: can't enable device\n",
1998                                core->name);
1999                         return err;
2000                 }
2001
2002                 dev->state.disabled = 0;
2003         }
2004         err= pci_set_power_state(pci_dev, PCI_D0);
2005         if (err) {
2006                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2007                 pci_disable_device(pci_dev);
2008                 dev->state.disabled = 1;
2009
2010                 return err;
2011         }
2012         pci_restore_state(pci_dev);
2013
2014         /* FIXME: re-initialize hardware */
2015         cx88_reset(core);
2016         if (core->ir)
2017                 cx88_ir_start(core);
2018
2019         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2020
2021         /* restart video+vbi capture */
2022         spin_lock(&dev->slock);
2023         if (!list_empty(&dev->vidq.active)) {
2024                 printk("%s/0: resume video\n", core->name);
2025                 restart_video_queue(dev,&dev->vidq);
2026         }
2027         if (!list_empty(&dev->vbiq.active)) {
2028                 printk("%s/0: resume vbi\n", core->name);
2029                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2030         }
2031         spin_unlock(&dev->slock);
2032
2033         return 0;
2034 }
2035 #endif
2036
2037 /* ----------------------------------------------------------- */
2038
2039 static const struct pci_device_id cx8800_pci_tbl[] = {
2040         {
2041                 .vendor       = 0x14f1,
2042                 .device       = 0x8800,
2043                 .subvendor    = PCI_ANY_ID,
2044                 .subdevice    = PCI_ANY_ID,
2045         },{
2046                 /* --- end of list --- */
2047         }
2048 };
2049 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2050
2051 static struct pci_driver cx8800_pci_driver = {
2052         .name     = "cx8800",
2053         .id_table = cx8800_pci_tbl,
2054         .probe    = cx8800_initdev,
2055         .remove   = cx8800_finidev,
2056 #ifdef CONFIG_PM
2057         .suspend  = cx8800_suspend,
2058         .resume   = cx8800_resume,
2059 #endif
2060 };
2061
2062 static int __init cx8800_init(void)
2063 {
2064         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n",
2065                CX88_VERSION);
2066         return pci_register_driver(&cx8800_pci_driver);
2067 }
2068
2069 static void __exit cx8800_fini(void)
2070 {
2071         pci_unregister_driver(&cx8800_pci_driver);
2072 }
2073
2074 module_init(cx8800_init);
2075 module_exit(cx8800_fini);