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->sd_wm8775) {
 389                         call_all(core, audio, s_routing,
 390                                  INPUT(input).audioroute, 0, 0);
 391                 }
 392                 /* cx2388's C-ADC is connected to the tuner only.
 393                    When used with S-Video, that ADC is busy dealing with
 394                    chroma, so an external must be used for baseband audio */
 395                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 396                     INPUT(input).type != CX88_VMUX_CABLE) {
 397                         /* "I2S ADC mode" */
 398                         core->tvaudio = WW_I2SADC;
 399                         cx88_set_tvaudio(core);
 400                 } else {
 401                         /* Normal mode */
 402                         cx_write(AUD_I2SCNTL, 0x0);
 403                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 404                 }
 405         }
 406
 407         return 0;
 408 }
 409 EXPORT_SYMBOL(cx88_video_mux);
 410
 411 /* ------------------------------------------------------------------ */
 412
 413 static int start_video_dma(struct cx8800_dev    *dev,
 414                            struct cx88_dmaqueue *q,
 415                            struct cx88_buffer   *buf)
 416 {
 417         struct cx88_core *core = dev->core;
 418
 419         /* setup fifo + format */
 420         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 421                                 buf->bpl, buf->risc.dma);
 422         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 423         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 424
 425         /* reset counter */
 426         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 427         q->count = 1;
 428
 429         /* enable irqs */
 430         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 431
 432         /* Enables corresponding bits at PCI_INT_STAT:
 433                 bits 0 to 4: video, audio, transport stream, VIP, Host
 434                 bit 7: timer
 435                 bits 8 and 9: DMA complete for: SRC, DST
 436                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 437                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 438          */
 439         cx_set(MO_VID_INTMSK, 0x0f0011);
 440
 441         /* enable capture */
 442         cx_set(VID_CAPTURE_CONTROL,0x06);
 443
 444         /* start dma */
 445         cx_set(MO_DEV_CNTRL2, (1<<5));
 446         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 447
 448         return 0;
 449 }
 450
 451 #ifdef CONFIG_PM
 452 static int stop_video_dma(struct cx8800_dev    *dev)
 453 {
 454         struct cx88_core *core = dev->core;
 455
 456         /* stop dma */
 457         cx_clear(MO_VID_DMACNTRL, 0x11);
 458
 459         /* disable capture */
 460         cx_clear(VID_CAPTURE_CONTROL,0x06);
 461
 462         /* disable irqs */
 463         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 464         cx_clear(MO_VID_INTMSK, 0x0f0011);
 465         return 0;
 466 }
 467 #endif
 468
 469 static int restart_video_queue(struct cx8800_dev    *dev,
 470                                struct cx88_dmaqueue *q)
 471 {
 472         struct cx88_core *core = dev->core;
 473         struct cx88_buffer *buf, *prev;
 474
 475         if (!list_empty(&q->active)) {
 476                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 477                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 478                         buf, buf->vb.i);
 479                 start_video_dma(dev, q, buf);
 480                 list_for_each_entry(buf, &q->active, vb.queue)
 481                         buf->count = q->count++;
 482                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 483                 return 0;
 484         }
 485
 486         prev = NULL;
 487         for (;;) {
 488                 if (list_empty(&q->queued))
 489                         return 0;
 490                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 491                 if (NULL == prev) {
 492                         list_move_tail(&buf->vb.queue, &q->active);
 493                         start_video_dma(dev, q, buf);
 494                         buf->vb.state = VIDEOBUF_ACTIVE;
 495                         buf->count    = q->count++;
 496                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 497                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 498                                 buf,buf->vb.i);
 499
 500                 } else if (prev->vb.width  == buf->vb.width  &&
 501                            prev->vb.height == buf->vb.height &&
 502                            prev->fmt       == buf->fmt) {
 503                         list_move_tail(&buf->vb.queue, &q->active);
 504                         buf->vb.state = VIDEOBUF_ACTIVE;
 505                         buf->count    = q->count++;
 506                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 507                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 508                                 buf,buf->vb.i);
 509                 } else {
 510                         return 0;
 511                 }
 512                 prev = buf;
 513         }
 514 }
 515
 516 /* ------------------------------------------------------------------ */
 517
 518 static int
 519 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 520 {
 521         struct cx8800_fh *fh = q->priv_data;
 522         struct cx8800_dev  *dev = fh->dev;
 523
 524         *size = dev->fmt->depth * dev->width * dev->height >> 3;
 525         if (0 == *count)
 526                 *count = 32;
 527         if (*size * *count > vid_limit * 1024 * 1024)
 528                 *count = (vid_limit * 1024 * 1024) / *size;
 529         return 0;
 530 }
 531
 532 static int
 533 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 534                enum v4l2_field field)
 535 {
 536         struct cx8800_fh   *fh  = q->priv_data;
 537         struct cx8800_dev  *dev = fh->dev;
 538         struct cx88_core *core = dev->core;
 539         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 540         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 541         int rc, init_buffer = 0;
 542
 543         BUG_ON(NULL == dev->fmt);
 544         if (dev->width  < 48 || dev->width  > norm_maxw(core->tvnorm) ||
 545             dev->height < 32 || dev->height > norm_maxh(core->tvnorm))
 546                 return -EINVAL;
 547         buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 548         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 549                 return -EINVAL;
 550
 551         if (buf->fmt       != dev->fmt    ||
 552             buf->vb.width  != dev->width  ||
 553             buf->vb.height != dev->height ||
 554             buf->vb.field  != field) {
 555                 buf->fmt       = dev->fmt;
 556                 buf->vb.width  = dev->width;
 557                 buf->vb.height = dev->height;
 558                 buf->vb.field  = field;
 559                 init_buffer = 1;
 560         }
 561
 562         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 563                 init_buffer = 1;
 564                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 565                         goto fail;
 566         }
 567
 568         if (init_buffer) {
 569                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 570                 switch (buf->vb.field) {
 571                 case V4L2_FIELD_TOP:
 572                         cx88_risc_buffer(dev->pci, &buf->risc,
 573                                          dma->sglist, 0, UNSET,
 574                                          buf->bpl, 0, buf->vb.height);
 575                         break;
 576                 case V4L2_FIELD_BOTTOM:
 577                         cx88_risc_buffer(dev->pci, &buf->risc,
 578                                          dma->sglist, UNSET, 0,
 579                                          buf->bpl, 0, buf->vb.height);
 580                         break;
 581                 case V4L2_FIELD_INTERLACED:
 582                         cx88_risc_buffer(dev->pci, &buf->risc,
 583                                          dma->sglist, 0, buf->bpl,
 584                                          buf->bpl, buf->bpl,
 585                                          buf->vb.height >> 1);
 586                         break;
 587                 case V4L2_FIELD_SEQ_TB:
 588                         cx88_risc_buffer(dev->pci, &buf->risc,
 589                                          dma->sglist,
 590                                          0, buf->bpl * (buf->vb.height >> 1),
 591                                          buf->bpl, 0,
 592                                          buf->vb.height >> 1);
 593                         break;
 594                 case V4L2_FIELD_SEQ_BT:
 595                         cx88_risc_buffer(dev->pci, &buf->risc,
 596                                          dma->sglist,
 597                                          buf->bpl * (buf->vb.height >> 1), 0,
 598                                          buf->bpl, 0,
 599                                          buf->vb.height >> 1);
 600                         break;
 601                 default:
 602                         BUG();
 603                 }
 604         }
 605         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 606                 buf, buf->vb.i,
 607                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 608                 (unsigned long)buf->risc.dma);
 609
 610         buf->vb.state = VIDEOBUF_PREPARED;
 611         return 0;
 612
 613  fail:
 614         cx88_free_buffer(q,buf);
 615         return rc;
 616 }
 617
 618 static void
 619 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 620 {
 621         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 622         struct cx88_buffer    *prev;
 623         struct cx8800_fh      *fh   = vq->priv_data;
 624         struct cx8800_dev     *dev  = fh->dev;
 625         struct cx88_core      *core = dev->core;
 626         struct cx88_dmaqueue  *q    = &dev->vidq;
 627
 628         /* add jump to stopper */
 629         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 630         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 631
 632         if (!list_empty(&q->queued)) {
 633                 list_add_tail(&buf->vb.queue,&q->queued);
 634                 buf->vb.state = VIDEOBUF_QUEUED;
 635                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 636                         buf, buf->vb.i);
 637
 638         } else if (list_empty(&q->active)) {
 639                 list_add_tail(&buf->vb.queue,&q->active);
 640                 start_video_dma(dev, q, buf);
 641                 buf->vb.state = VIDEOBUF_ACTIVE;
 642                 buf->count    = q->count++;
 643                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 644                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 645                         buf, buf->vb.i);
 646
 647         } else {
 648                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 649                 if (prev->vb.width  == buf->vb.width  &&
 650                     prev->vb.height == buf->vb.height &&
 651                     prev->fmt       == buf->fmt) {
 652                         list_add_tail(&buf->vb.queue,&q->active);
 653                         buf->vb.state = VIDEOBUF_ACTIVE;
 654                         buf->count    = q->count++;
 655                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 656                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 657                                 buf, buf->vb.i);
 658
 659                 } else {
 660                         list_add_tail(&buf->vb.queue,&q->queued);
 661                         buf->vb.state = VIDEOBUF_QUEUED;
 662                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 663                                 buf, buf->vb.i);
 664                 }
 665         }
 666 }
 667
 668 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 669 {
 670         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 671
 672         cx88_free_buffer(q,buf);
 673 }
 674
 675 static const struct videobuf_queue_ops cx8800_video_qops = {
 676         .buf_setup    = buffer_setup,
 677         .buf_prepare  = buffer_prepare,
 678         .buf_queue    = buffer_queue,
 679         .buf_release  = buffer_release,
 680 };
 681
 682 /* ------------------------------------------------------------------ */
 683
 684
 685 /* ------------------------------------------------------------------ */
 686
 687 static struct videobuf_queue *get_queue(struct file *file)
 688 {
 689         struct video_device *vdev = video_devdata(file);
 690         struct cx8800_fh *fh = file->private_data;
 691
 692         switch (vdev->vfl_type) {
 693         case VFL_TYPE_GRABBER:
 694                 return &fh->vidq;
 695         case VFL_TYPE_VBI:
 696                 return &fh->vbiq;
 697         default:
 698                 BUG();
 699                 return NULL;
 700         }
 701 }
 702
 703 static int get_resource(struct file *file)
 704 {
 705         struct video_device *vdev = video_devdata(file);
 706
 707         switch (vdev->vfl_type) {
 708         case VFL_TYPE_GRABBER:
 709                 return RESOURCE_VIDEO;
 710         case VFL_TYPE_VBI:
 711                 return RESOURCE_VBI;
 712         default:
 713                 BUG();
 714                 return 0;
 715         }
 716 }
 717
 718 static int video_open(struct file *file)
 719 {
 720         struct video_device *vdev = video_devdata(file);
 721         struct cx8800_dev *dev = video_drvdata(file);
 722         struct cx88_core *core = dev->core;
 723         struct cx8800_fh *fh;
 724         enum v4l2_buf_type type = 0;
 725         int radio = 0;
 726
 727         switch (vdev->vfl_type) {
 728         case VFL_TYPE_GRABBER:
 729                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 730                 break;
 731         case VFL_TYPE_VBI:
 732                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
 733                 break;
 734         case VFL_TYPE_RADIO:
 735                 radio = 1;
 736                 break;
 737         }
 738
 739         dprintk(1, "open dev=%s radio=%d type=%s\n",
 740                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
 741
 742         /* allocate + initialize per filehandle data */
 743         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 744         if (unlikely(!fh))
 745                 return -ENOMEM;
 746
 747         v4l2_fh_init(&fh->fh, vdev);
 748         file->private_data = fh;
 749         fh->dev      = dev;
 750
 751         mutex_lock(&core->lock);
 752
 753         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 754                             &dev->pci->dev, &dev->slock,
 755                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 756                             V4L2_FIELD_INTERLACED,
 757                             sizeof(struct cx88_buffer),
 758                             fh, NULL);
 759         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 760                             &dev->pci->dev, &dev->slock,
 761                             V4L2_BUF_TYPE_VBI_CAPTURE,
 762                             V4L2_FIELD_SEQ_TB,
 763                             sizeof(struct cx88_buffer),
 764                             fh, NULL);
 765
 766         if (vdev->vfl_type == VFL_TYPE_RADIO) {
 767                 dprintk(1,"video_open: setting radio device\n");
 768                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 769                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 770                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 771                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 772                 if (core->board.radio.audioroute) {
 773                         if (core->sd_wm8775) {
 774                                 call_all(core, audio, s_routing,
 775                                         core->board.radio.audioroute, 0, 0);
 776                         }
 777                         /* "I2S ADC mode" */
 778                         core->tvaudio = WW_I2SADC;
 779                         cx88_set_tvaudio(core);
 780                 } else {
 781                         /* FM Mode */
 782                         core->tvaudio = WW_FM;
 783                         cx88_set_tvaudio(core);
 784                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 785                 }
 786                 call_all(core, tuner, s_radio);
 787         }
 788
 789         core->users++;
 790         mutex_unlock(&core->lock);
 791         v4l2_fh_add(&fh->fh);
 792
 793         return 0;
 794 }
 795
 796 static ssize_t
 797 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 798 {
 799         struct video_device *vdev = video_devdata(file);
 800         struct cx8800_fh *fh = file->private_data;
 801
 802         switch (vdev->vfl_type) {
 803         case VFL_TYPE_GRABBER:
 804                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 805                         return -EBUSY;
 806                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 807                                          file->f_flags & O_NONBLOCK);
 808         case VFL_TYPE_VBI:
 809                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 810                         return -EBUSY;
 811                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 812                                             file->f_flags & O_NONBLOCK);
 813         default:
 814                 BUG();
 815                 return 0;
 816         }
 817 }
 818
 819 static unsigned int
 820 video_poll(struct file *file, struct poll_table_struct *wait)
 821 {
 822         struct video_device *vdev = video_devdata(file);
 823         struct cx8800_fh *fh = file->private_data;
 824         struct cx88_buffer *buf;
 825         unsigned int rc = v4l2_ctrl_poll(file, wait);
 826
 827         if (vdev->vfl_type == VFL_TYPE_VBI) {
 828                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 829                         return rc | POLLERR;
 830                 return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
 831         }
 832         mutex_lock(&fh->vidq.vb_lock);
 833         if (res_check(fh,RESOURCE_VIDEO)) {
 834                 /* streaming capture */
 835                 if (list_empty(&fh->vidq.stream))
 836                         goto done;
 837                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 838         } else {
 839                 /* read() capture */
 840                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 841                 if (NULL == buf)
 842                         goto done;
 843         }
 844         poll_wait(file, &buf->vb.done, wait);
 845         if (buf->vb.state == VIDEOBUF_DONE ||
 846             buf->vb.state == VIDEOBUF_ERROR)
 847                 rc |= POLLIN|POLLRDNORM;
 848 done:
 849         mutex_unlock(&fh->vidq.vb_lock);
 850         return rc;
 851 }
 852
 853 static int video_release(struct file *file)
 854 {
 855         struct cx8800_fh  *fh  = file->private_data;
 856         struct cx8800_dev *dev = fh->dev;
 857
 858         /* turn off overlay */
 859         if (res_check(fh, RESOURCE_OVERLAY)) {
 860                 /* FIXME */
 861                 res_free(dev,fh,RESOURCE_OVERLAY);
 862         }
 863
 864         /* stop video capture */
 865         if (res_check(fh, RESOURCE_VIDEO)) {
 866                 videobuf_queue_cancel(&fh->vidq);
 867                 res_free(dev,fh,RESOURCE_VIDEO);
 868         }
 869         if (fh->vidq.read_buf) {
 870                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 871                 kfree(fh->vidq.read_buf);
 872         }
 873
 874         /* stop vbi capture */
 875         if (res_check(fh, RESOURCE_VBI)) {
 876                 videobuf_stop(&fh->vbiq);
 877                 res_free(dev,fh,RESOURCE_VBI);
 878         }
 879
 880         videobuf_mmap_free(&fh->vidq);
 881         videobuf_mmap_free(&fh->vbiq);
 882
 883         mutex_lock(&dev->core->lock);
 884         v4l2_fh_del(&fh->fh);
 885         v4l2_fh_exit(&fh->fh);
 886         file->private_data = NULL;
 887         kfree(fh);
 888
 889         dev->core->users--;
 890         if (!dev->core->users)
 891                 call_all(dev->core, core, s_power, 0);
 892         mutex_unlock(&dev->core->lock);
 893
 894         return 0;
 895 }
 896
 897 static int
 898 video_mmap(struct file *file, struct vm_area_struct * vma)
 899 {
 900         return videobuf_mmap_mapper(get_queue(file), vma);
 901 }
 902
 903 /* ------------------------------------------------------------------ */
 904 /* VIDEO CTRL IOCTLS                                                  */
 905
 906 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 907 {
 908         struct cx88_core *core =
 909                 container_of(ctrl->handler, struct cx88_core, video_hdl);
 910         const struct cx88_ctrl *cc = ctrl->priv;
 911         u32 value, mask;
 912
 913         mask = cc->mask;
 914         switch (ctrl->id) {
 915         case V4L2_CID_SATURATION:
 916                 /* special v_sat handling */
 917
 918                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 919
 920                 if (core->tvnorm & V4L2_STD_SECAM) {
 921                         /* For SECAM, both U and V sat should be equal */
 922                         value = value << 8 | value;
 923                 } else {
 924                         /* Keeps U Saturation proportional to V Sat */
 925                         value = (value * 0x5a) / 0x7f << 8 | value;
 926                 }
 927                 mask = 0xffff;
 928                 break;
 929         case V4L2_CID_SHARPNESS:
 930                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
 931                 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
 932                 /* needs to be set for both fields */
 933                 cx_andor(MO_FILTER_EVEN, mask, value);
 934                 break;
 935         case V4L2_CID_CHROMA_AGC:
 936                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 937                 break;
 938         default:
 939                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 940                 break;
 941         }
 942         dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 943                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 944                                 mask, cc->sreg ? " [shadowed]" : "");
 945         if (cc->sreg)
 946                 cx_sandor(cc->sreg, cc->reg, mask, value);
 947         else
 948                 cx_andor(cc->reg, mask, value);
 949         return 0;
 950 }
 951
 952 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 953 {
 954         struct cx88_core *core =
 955                 container_of(ctrl->handler, struct cx88_core, audio_hdl);
 956         const struct cx88_ctrl *cc = ctrl->priv;
 957         u32 value,mask;
 958
 959         /* Pass changes onto any WM8775 */
 960         if (core->sd_wm8775) {
 961                 switch (ctrl->id) {
 962                 case V4L2_CID_AUDIO_MUTE:
 963                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
 964                         break;
 965                 case V4L2_CID_AUDIO_VOLUME:
 966                         wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
 967                                                 (0x90 + ctrl->val) << 8 : 0);
 968                         break;
 969                 case V4L2_CID_AUDIO_BALANCE:
 970                         wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
 971                         break;
 972                 default:
 973                         break;
 974                 }
 975         }
 976
 977         mask = cc->mask;
 978         switch (ctrl->id) {
 979         case V4L2_CID_AUDIO_BALANCE:
 980                 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
 981                 break;
 982         case V4L2_CID_AUDIO_VOLUME:
 983                 value = 0x3f - (ctrl->val & 0x3f);
 984                 break;
 985         default:
 986                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 987                 break;
 988         }
 989         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 990                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 991                                 mask, cc->sreg ? " [shadowed]" : "");
 992         if (cc->sreg)
 993                 cx_sandor(cc->sreg, cc->reg, mask, value);
 994         else
 995                 cx_andor(cc->reg, mask, value);
 996         return 0;
 997 }
 998
 999 /* ------------------------------------------------------------------ */
1000 /* VIDEO IOCTLS                                                       */
1001
1002 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1003                                         struct v4l2_format *f)
1004 {
1005         struct cx8800_fh  *fh   = priv;
1006         struct cx8800_dev *dev = fh->dev;
1007
1008         f->fmt.pix.width        = dev->width;
1009         f->fmt.pix.height       = dev->height;
1010         f->fmt.pix.field        = fh->vidq.field;
1011         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1012         f->fmt.pix.bytesperline =
1013                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1014         f->fmt.pix.sizeimage =
1015                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1016         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1017         return 0;
1018 }
1019
1020 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1021                         struct v4l2_format *f)
1022 {
1023         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1024         const struct cx8800_fmt *fmt;
1025         enum v4l2_field   field;
1026         unsigned int      maxw, maxh;
1027
1028         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1029         if (NULL == fmt)
1030                 return -EINVAL;
1031
1032         field = f->fmt.pix.field;
1033         maxw  = norm_maxw(core->tvnorm);
1034         maxh  = norm_maxh(core->tvnorm);
1035
1036         if (V4L2_FIELD_ANY == field) {
1037                 field = (f->fmt.pix.height > maxh/2)
1038                         ? V4L2_FIELD_INTERLACED
1039                         : V4L2_FIELD_BOTTOM;
1040         }
1041
1042         switch (field) {
1043         case V4L2_FIELD_TOP:
1044         case V4L2_FIELD_BOTTOM:
1045                 maxh = maxh / 2;
1046                 break;
1047         case V4L2_FIELD_INTERLACED:
1048                 break;
1049         default:
1050                 return -EINVAL;
1051         }
1052
1053         f->fmt.pix.field = field;
1054         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1055                               &f->fmt.pix.height, 32, maxh, 0, 0);
1056         f->fmt.pix.bytesperline =
1057                 (f->fmt.pix.width * fmt->depth) >> 3;
1058         f->fmt.pix.sizeimage =
1059                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1060
1061         return 0;
1062 }
1063
1064 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1065                                         struct v4l2_format *f)
1066 {
1067         struct cx8800_fh  *fh   = priv;
1068         struct cx8800_dev *dev = fh->dev;
1069         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1070
1071         if (0 != err)
1072                 return err;
1073         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1074         dev->width      = f->fmt.pix.width;
1075         dev->height     = f->fmt.pix.height;
1076         fh->vidq.field = f->fmt.pix.field;
1077         return 0;
1078 }
1079
1080 void cx88_querycap(struct file *file, struct cx88_core *core,
1081                 struct v4l2_capability *cap)
1082 {
1083         struct video_device *vdev = video_devdata(file);
1084
1085         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1086         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1087         if (UNSET != core->board.tuner_type)
1088                 cap->device_caps |= V4L2_CAP_TUNER;
1089         switch (vdev->vfl_type) {
1090         case VFL_TYPE_RADIO:
1091                 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1092                 break;
1093         case VFL_TYPE_GRABBER:
1094                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1095                 break;
1096         case VFL_TYPE_VBI:
1097                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1098                 break;
1099         }
1100         cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1101                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1102         if (core->board.radio.type == CX88_RADIO)
1103                 cap->capabilities |= V4L2_CAP_RADIO;
1104 }
1105 EXPORT_SYMBOL(cx88_querycap);
1106
1107 static int vidioc_querycap(struct file *file, void  *priv,
1108                                         struct v4l2_capability *cap)
1109 {
1110         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1111         struct cx88_core  *core = dev->core;
1112
1113         strcpy(cap->driver, "cx8800");
1114         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1115         cx88_querycap(file, core, cap);
1116         return 0;
1117 }
1118
1119 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1120                                         struct v4l2_fmtdesc *f)
1121 {
1122         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1123                 return -EINVAL;
1124
1125         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1126         f->pixelformat = formats[f->index].fourcc;
1127
1128         return 0;
1129 }
1130
1131 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1132 {
1133         return videobuf_reqbufs(get_queue(file), p);
1134 }
1135
1136 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1137 {
1138         return videobuf_querybuf(get_queue(file), p);
1139 }
1140
1141 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1142 {
1143         return videobuf_qbuf(get_queue(file), p);
1144 }
1145
1146 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1147 {
1148         return videobuf_dqbuf(get_queue(file), p,
1149                                 file->f_flags & O_NONBLOCK);
1150 }
1151
1152 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1153 {
1154         struct video_device *vdev = video_devdata(file);
1155         struct cx8800_fh  *fh   = priv;
1156         struct cx8800_dev *dev  = fh->dev;
1157
1158         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1159             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1160                 return -EINVAL;
1161
1162         if (unlikely(!res_get(dev, fh, get_resource(file))))
1163                 return -EBUSY;
1164         return videobuf_streamon(get_queue(file));
1165 }
1166
1167 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1168 {
1169         struct video_device *vdev = video_devdata(file);
1170         struct cx8800_fh  *fh   = priv;
1171         struct cx8800_dev *dev  = fh->dev;
1172         int               err, res;
1173
1174         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1175             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1176                 return -EINVAL;
1177
1178         res = get_resource(file);
1179         err = videobuf_streamoff(get_queue(file));
1180         if (err < 0)
1181                 return err;
1182         res_free(dev,fh,res);
1183         return 0;
1184 }
1185
1186 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1187 {
1188         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1189
1190         *tvnorm = core->tvnorm;
1191         return 0;
1192 }
1193
1194 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
1195 {
1196         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1197
1198         mutex_lock(&core->lock);
1199         cx88_set_tvnorm(core, tvnorms);
1200         mutex_unlock(&core->lock);
1201
1202         return 0;
1203 }
1204
1205 /* only one input in this sample driver */
1206 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1207 {
1208         static const char * const iname[] = {
1209                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1210                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1211                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1212                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1213                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1214                 [ CX88_VMUX_TELEVISION ] = "Television",
1215                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1216                 [ CX88_VMUX_DVB        ] = "DVB",
1217                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1218         };
1219         unsigned int n = i->index;
1220
1221         if (n >= 4)
1222                 return -EINVAL;
1223         if (0 == INPUT(n).type)
1224                 return -EINVAL;
1225         i->type  = V4L2_INPUT_TYPE_CAMERA;
1226         strcpy(i->name,iname[INPUT(n).type]);
1227         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1228             (CX88_VMUX_CABLE      == INPUT(n).type)) {
1229                 i->type = V4L2_INPUT_TYPE_TUNER;
1230         }
1231         i->std = CX88_NORMS;
1232         return 0;
1233 }
1234 EXPORT_SYMBOL(cx88_enum_input);
1235
1236 static int vidioc_enum_input (struct file *file, void *priv,
1237                                 struct v4l2_input *i)
1238 {
1239         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1240         return cx88_enum_input (core,i);
1241 }
1242
1243 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1244 {
1245         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1246
1247         *i = core->input;
1248         return 0;
1249 }
1250
1251 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1252 {
1253         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1254
1255         if (i >= 4)
1256                 return -EINVAL;
1257         if (0 == INPUT(i).type)
1258                 return -EINVAL;
1259
1260         mutex_lock(&core->lock);
1261         cx88_newstation(core);
1262         cx88_video_mux(core,i);
1263         mutex_unlock(&core->lock);
1264         return 0;
1265 }
1266
1267 static int vidioc_g_tuner (struct file *file, void *priv,
1268                                 struct v4l2_tuner *t)
1269 {
1270         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1271         u32 reg;
1272
1273         if (unlikely(UNSET == core->board.tuner_type))
1274                 return -EINVAL;
1275         if (0 != t->index)
1276                 return -EINVAL;
1277
1278         strcpy(t->name, "Television");
1279         t->capability = V4L2_TUNER_CAP_NORM;
1280         t->rangehigh  = 0xffffffffUL;
1281         call_all(core, tuner, g_tuner, t);
1282
1283         cx88_get_stereo(core ,t);
1284         reg = cx_read(MO_DEVICE_STATUS);
1285         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1286         return 0;
1287 }
1288
1289 static int vidioc_s_tuner (struct file *file, void *priv,
1290                                 const struct v4l2_tuner *t)
1291 {
1292         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1293
1294         if (UNSET == core->board.tuner_type)
1295                 return -EINVAL;
1296         if (0 != t->index)
1297                 return -EINVAL;
1298
1299         cx88_set_stereo(core, t->audmode, 1);
1300         return 0;
1301 }
1302
1303 static int vidioc_g_frequency (struct file *file, void *priv,
1304                                 struct v4l2_frequency *f)
1305 {
1306         struct cx8800_fh  *fh   = priv;
1307         struct cx88_core  *core = fh->dev->core;
1308
1309         if (unlikely(UNSET == core->board.tuner_type))
1310                 return -EINVAL;
1311         if (f->tuner)
1312                 return -EINVAL;
1313
1314         f->frequency = core->freq;
1315
1316         call_all(core, tuner, g_frequency, f);
1317
1318         return 0;
1319 }
1320
1321 int cx88_set_freq (struct cx88_core  *core,
1322                                 const struct v4l2_frequency *f)
1323 {
1324         struct v4l2_frequency new_freq = *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, &new_freq);
1335         core->freq = new_freq.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                                 const 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                                 const 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 static int radio_s_tuner (struct file *file, void *priv,
1411                                 const struct v4l2_tuner *t)
1412 {
1413         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1414
1415         if (0 != t->index)
1416                 return -EINVAL;
1417
1418         call_all(core, tuner, s_tuner, t);
1419         return 0;
1420 }
1421
1422 /* ----------------------------------------------------------- */
1423
1424 static void cx8800_vid_timeout(unsigned long data)
1425 {
1426         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1427         struct cx88_core *core = dev->core;
1428         struct cx88_dmaqueue *q = &dev->vidq;
1429         struct cx88_buffer *buf;
1430         unsigned long flags;
1431
1432         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1433
1434         cx_clear(MO_VID_DMACNTRL, 0x11);
1435         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1436
1437         spin_lock_irqsave(&dev->slock,flags);
1438         while (!list_empty(&q->active)) {
1439                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1440                 list_del(&buf->vb.queue);
1441                 buf->vb.state = VIDEOBUF_ERROR;
1442                 wake_up(&buf->vb.done);
1443                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1444                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1445         }
1446         restart_video_queue(dev,q);
1447         spin_unlock_irqrestore(&dev->slock,flags);
1448 }
1449
1450 static const char *cx88_vid_irqs[32] = {
1451         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1452         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1453         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1454         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1455         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1456 };
1457
1458 static void cx8800_vid_irq(struct cx8800_dev *dev)
1459 {
1460         struct cx88_core *core = dev->core;
1461         u32 status, mask, count;
1462
1463         status = cx_read(MO_VID_INTSTAT);
1464         mask   = cx_read(MO_VID_INTMSK);
1465         if (0 == (status & mask))
1466                 return;
1467         cx_write(MO_VID_INTSTAT, status);
1468         if (irq_debug  ||  (status & mask & ~0xff))
1469                 cx88_print_irqbits(core->name, "irq vid",
1470                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1471                                    status, mask);
1472
1473         /* risc op code error */
1474         if (status & (1 << 16)) {
1475                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1476                 cx_clear(MO_VID_DMACNTRL, 0x11);
1477                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1478                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1479         }
1480
1481         /* risc1 y */
1482         if (status & 0x01) {
1483                 spin_lock(&dev->slock);
1484                 count = cx_read(MO_VIDY_GPCNT);
1485                 cx88_wakeup(core, &dev->vidq, count);
1486                 spin_unlock(&dev->slock);
1487         }
1488
1489         /* risc1 vbi */
1490         if (status & 0x08) {
1491                 spin_lock(&dev->slock);
1492                 count = cx_read(MO_VBI_GPCNT);
1493                 cx88_wakeup(core, &dev->vbiq, count);
1494                 spin_unlock(&dev->slock);
1495         }
1496
1497         /* risc2 y */
1498         if (status & 0x10) {
1499                 dprintk(2,"stopper video\n");
1500                 spin_lock(&dev->slock);
1501                 restart_video_queue(dev,&dev->vidq);
1502                 spin_unlock(&dev->slock);
1503         }
1504
1505         /* risc2 vbi */
1506         if (status & 0x80) {
1507                 dprintk(2,"stopper vbi\n");
1508                 spin_lock(&dev->slock);
1509                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1510                 spin_unlock(&dev->slock);
1511         }
1512 }
1513
1514 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1515 {
1516         struct cx8800_dev *dev = dev_id;
1517         struct cx88_core *core = dev->core;
1518         u32 status;
1519         int loop, handled = 0;
1520
1521         for (loop = 0; loop < 10; loop++) {
1522                 status = cx_read(MO_PCI_INTSTAT) &
1523                         (core->pci_irqmask | PCI_INT_VIDINT);
1524                 if (0 == status)
1525                         goto out;
1526                 cx_write(MO_PCI_INTSTAT, status);
1527                 handled = 1;
1528
1529                 if (status & core->pci_irqmask)
1530                         cx88_core_irq(core,status);
1531                 if (status & PCI_INT_VIDINT)
1532                         cx8800_vid_irq(dev);
1533         }
1534         if (10 == loop) {
1535                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1536                        core->name);
1537                 cx_write(MO_PCI_INTMSK,0);
1538         }
1539
1540  out:
1541         return IRQ_RETVAL(handled);
1542 }
1543
1544 /* ----------------------------------------------------------- */
1545 /* exported stuff                                              */
1546
1547 static const struct v4l2_file_operations video_fops =
1548 {
1549         .owner         = THIS_MODULE,
1550         .open          = video_open,
1551         .release       = video_release,
1552         .read          = video_read,
1553         .poll          = video_poll,
1554         .mmap          = video_mmap,
1555         .unlocked_ioctl = video_ioctl2,
1556 };
1557
1558 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1559         .vidioc_querycap      = vidioc_querycap,
1560         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1561         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1562         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1563         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1564         .vidioc_reqbufs       = vidioc_reqbufs,
1565         .vidioc_querybuf      = vidioc_querybuf,
1566         .vidioc_qbuf          = vidioc_qbuf,
1567         .vidioc_dqbuf         = vidioc_dqbuf,
1568         .vidioc_g_std         = vidioc_g_std,
1569         .vidioc_s_std         = vidioc_s_std,
1570         .vidioc_enum_input    = vidioc_enum_input,
1571         .vidioc_g_input       = vidioc_g_input,
1572         .vidioc_s_input       = vidioc_s_input,
1573         .vidioc_streamon      = vidioc_streamon,
1574         .vidioc_streamoff     = vidioc_streamoff,
1575         .vidioc_g_tuner       = vidioc_g_tuner,
1576         .vidioc_s_tuner       = vidioc_s_tuner,
1577         .vidioc_g_frequency   = vidioc_g_frequency,
1578         .vidioc_s_frequency   = vidioc_s_frequency,
1579         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1580         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1581         .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1582 #ifdef CONFIG_VIDEO_ADV_DEBUG
1583         .vidioc_g_register    = vidioc_g_register,
1584         .vidioc_s_register    = vidioc_s_register,
1585 #endif
1586 };
1587
1588 static const struct video_device cx8800_video_template = {
1589         .name                 = "cx8800-video",
1590         .fops                 = &video_fops,
1591         .ioctl_ops            = &video_ioctl_ops,
1592         .tvnorms              = CX88_NORMS,
1593 };
1594
1595 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1596         .vidioc_querycap      = vidioc_querycap,
1597         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1598         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1599         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1600         .vidioc_reqbufs       = vidioc_reqbufs,
1601         .vidioc_querybuf      = vidioc_querybuf,
1602         .vidioc_qbuf          = vidioc_qbuf,
1603         .vidioc_dqbuf         = vidioc_dqbuf,
1604         .vidioc_g_std         = vidioc_g_std,
1605         .vidioc_s_std         = vidioc_s_std,
1606         .vidioc_enum_input    = vidioc_enum_input,
1607         .vidioc_g_input       = vidioc_g_input,
1608         .vidioc_s_input       = vidioc_s_input,
1609         .vidioc_streamon      = vidioc_streamon,
1610         .vidioc_streamoff     = vidioc_streamoff,
1611         .vidioc_g_tuner       = vidioc_g_tuner,
1612         .vidioc_s_tuner       = vidioc_s_tuner,
1613         .vidioc_g_frequency   = vidioc_g_frequency,
1614         .vidioc_s_frequency   = vidioc_s_frequency,
1615         .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1616 #ifdef CONFIG_VIDEO_ADV_DEBUG
1617         .vidioc_g_register    = vidioc_g_register,
1618         .vidioc_s_register    = vidioc_s_register,
1619 #endif
1620 };
1621
1622 static const struct video_device cx8800_vbi_template = {
1623         .name                 = "cx8800-vbi",
1624         .fops                 = &video_fops,
1625         .ioctl_ops            = &vbi_ioctl_ops,
1626         .tvnorms              = CX88_NORMS,
1627 };
1628
1629 static const struct v4l2_file_operations radio_fops =
1630 {
1631         .owner         = THIS_MODULE,
1632         .open          = video_open,
1633         .poll          = v4l2_ctrl_poll,
1634         .release       = video_release,
1635         .unlocked_ioctl = video_ioctl2,
1636 };
1637
1638 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1639         .vidioc_querycap      = vidioc_querycap,
1640         .vidioc_g_tuner       = radio_g_tuner,
1641         .vidioc_s_tuner       = radio_s_tuner,
1642         .vidioc_g_frequency   = vidioc_g_frequency,
1643         .vidioc_s_frequency   = vidioc_s_frequency,
1644         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1645         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1646         .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1647 #ifdef CONFIG_VIDEO_ADV_DEBUG
1648         .vidioc_g_register    = vidioc_g_register,
1649         .vidioc_s_register    = vidioc_s_register,
1650 #endif
1651 };
1652
1653 static const struct video_device cx8800_radio_template = {
1654         .name                 = "cx8800-radio",
1655         .fops                 = &radio_fops,
1656         .ioctl_ops            = &radio_ioctl_ops,
1657 };
1658
1659 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1660         .s_ctrl = cx8800_s_vid_ctrl,
1661 };
1662
1663 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1664         .s_ctrl = cx8800_s_aud_ctrl,
1665 };
1666
1667 /* ----------------------------------------------------------- */
1668
1669 static void cx8800_unregister_video(struct cx8800_dev *dev)
1670 {
1671         if (dev->radio_dev) {
1672                 if (video_is_registered(dev->radio_dev))
1673                         video_unregister_device(dev->radio_dev);
1674                 else
1675                         video_device_release(dev->radio_dev);
1676                 dev->radio_dev = NULL;
1677         }
1678         if (dev->vbi_dev) {
1679                 if (video_is_registered(dev->vbi_dev))
1680                         video_unregister_device(dev->vbi_dev);
1681                 else
1682                         video_device_release(dev->vbi_dev);
1683                 dev->vbi_dev = NULL;
1684         }
1685         if (dev->video_dev) {
1686                 if (video_is_registered(dev->video_dev))
1687                         video_unregister_device(dev->video_dev);
1688                 else
1689                         video_device_release(dev->video_dev);
1690                 dev->video_dev = NULL;
1691         }
1692 }
1693
1694 static int cx8800_initdev(struct pci_dev *pci_dev,
1695                           const struct pci_device_id *pci_id)
1696 {
1697         struct cx8800_dev *dev;
1698         struct cx88_core *core;
1699         int err;
1700         int i;
1701
1702         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1703         if (NULL == dev)
1704                 return -ENOMEM;
1705
1706         /* pci init */
1707         dev->pci = pci_dev;
1708         if (pci_enable_device(pci_dev)) {
1709                 err = -EIO;
1710                 goto fail_free;
1711         }
1712         core = cx88_core_get(dev->pci);
1713         if (NULL == core) {
1714                 err = -EINVAL;
1715                 goto fail_free;
1716         }
1717         dev->core = core;
1718
1719         /* print pci info */
1720         dev->pci_rev = pci_dev->revision;
1721         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1722         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1723                "latency: %d, mmio: 0x%llx\n", core->name,
1724                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1725                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1726
1727         pci_set_master(pci_dev);
1728         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1729                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1730                 err = -EIO;
1731                 goto fail_core;
1732         }
1733
1734         /* initialize driver struct */
1735         spin_lock_init(&dev->slock);
1736         core->tvnorm = V4L2_STD_NTSC_M;
1737
1738         /* init video dma queues */
1739         INIT_LIST_HEAD(&dev->vidq.active);
1740         INIT_LIST_HEAD(&dev->vidq.queued);
1741         dev->vidq.timeout.function = cx8800_vid_timeout;
1742         dev->vidq.timeout.data     = (unsigned long)dev;
1743         init_timer(&dev->vidq.timeout);
1744         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1745                           MO_VID_DMACNTRL,0x11,0x00);
1746
1747         /* init vbi dma queues */
1748         INIT_LIST_HEAD(&dev->vbiq.active);
1749         INIT_LIST_HEAD(&dev->vbiq.queued);
1750         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1751         dev->vbiq.timeout.data     = (unsigned long)dev;
1752         init_timer(&dev->vbiq.timeout);
1753         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1754                           MO_VID_DMACNTRL,0x88,0x00);
1755
1756         /* get irq */
1757         err = request_irq(pci_dev->irq, cx8800_irq,
1758                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1759         if (err < 0) {
1760                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1761                        core->name,pci_dev->irq);
1762                 goto fail_core;
1763         }
1764         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1765
1766         for (i = 0; i < CX8800_AUD_CTLS; i++) {
1767                 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1768                 struct v4l2_ctrl *vc;
1769
1770                 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1771                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1772                 if (vc == NULL) {
1773                         err = core->audio_hdl.error;
1774                         goto fail_core;
1775                 }
1776                 vc->priv = (void *)cc;
1777         }
1778
1779         for (i = 0; i < CX8800_VID_CTLS; i++) {
1780                 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1781                 struct v4l2_ctrl *vc;
1782
1783                 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1784                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1785                 if (vc == NULL) {
1786                         err = core->video_hdl.error;
1787                         goto fail_core;
1788                 }
1789                 vc->priv = (void *)cc;
1790                 if (vc->id == V4L2_CID_CHROMA_AGC)
1791                         core->chroma_agc = vc;
1792         }
1793         v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1794
1795         /* load and configure helper modules */
1796
1797         if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1798                 struct i2c_board_info wm8775_info = {
1799                         .type = "wm8775",
1800                         .addr = 0x36 >> 1,
1801                         .platform_data = &core->wm8775_data,
1802                 };
1803                 struct v4l2_subdev *sd;
1804
1805                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1806                         core->wm8775_data.is_nova_s = true;
1807                 else
1808                         core->wm8775_data.is_nova_s = false;
1809
1810                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1811                                 &wm8775_info, NULL);
1812                 if (sd != NULL) {
1813                         core->sd_wm8775 = sd;
1814                         sd->grp_id = WM8775_GID;
1815                 }
1816         }
1817
1818         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1819                 /* This probes for a tda9874 as is used on some
1820                    Pixelview Ultra boards. */
1821                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1822                                 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1823         }
1824
1825         switch (core->boardnr) {
1826         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1827         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1828                 static const struct i2c_board_info rtc_info = {
1829                         I2C_BOARD_INFO("isl1208", 0x6f)
1830                 };
1831
1832                 request_module("rtc-isl1208");
1833                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1834         }
1835                 /* break intentionally omitted */
1836         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1837                 request_module("ir-kbd-i2c");
1838         }
1839
1840         /* Sets device info at pci_dev */
1841         pci_set_drvdata(pci_dev, dev);
1842
1843         dev->width   = 320;
1844         dev->height  = 240;
1845         dev->fmt     = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1846
1847         /* initial device configuration */
1848         mutex_lock(&core->lock);
1849         cx88_set_tvnorm(core, core->tvnorm);
1850         v4l2_ctrl_handler_setup(&core->video_hdl);
1851         v4l2_ctrl_handler_setup(&core->audio_hdl);
1852         cx88_video_mux(core, 0);
1853
1854         /* register v4l devices */
1855         dev->video_dev = cx88_vdev_init(core,dev->pci,
1856                                         &cx8800_video_template,"video");
1857         video_set_drvdata(dev->video_dev, dev);
1858         dev->video_dev->ctrl_handler = &core->video_hdl;
1859         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1860                                     video_nr[core->nr]);
1861         if (err < 0) {
1862                 printk(KERN_ERR "%s/0: can't register video device\n",
1863                        core->name);
1864                 goto fail_unreg;
1865         }
1866         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1867                core->name, video_device_node_name(dev->video_dev));
1868
1869         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1870         video_set_drvdata(dev->vbi_dev, dev);
1871         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1872                                     vbi_nr[core->nr]);
1873         if (err < 0) {
1874                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1875                        core->name);
1876                 goto fail_unreg;
1877         }
1878         printk(KERN_INFO "%s/0: registered device %s\n",
1879                core->name, video_device_node_name(dev->vbi_dev));
1880
1881         if (core->board.radio.type == CX88_RADIO) {
1882                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1883                                                 &cx8800_radio_template,"radio");
1884                 video_set_drvdata(dev->radio_dev, dev);
1885                 dev->radio_dev->ctrl_handler = &core->audio_hdl;
1886                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1887                                             radio_nr[core->nr]);
1888                 if (err < 0) {
1889                         printk(KERN_ERR "%s/0: can't register radio device\n",
1890                                core->name);
1891                         goto fail_unreg;
1892                 }
1893                 printk(KERN_INFO "%s/0: registered device %s\n",
1894                        core->name, video_device_node_name(dev->radio_dev));
1895         }
1896
1897         /* start tvaudio thread */
1898         if (core->board.tuner_type != TUNER_ABSENT) {
1899                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1900                 if (IS_ERR(core->kthread)) {
1901                         err = PTR_ERR(core->kthread);
1902                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1903                                core->name, err);
1904                 }
1905         }
1906         mutex_unlock(&core->lock);
1907
1908         return 0;
1909
1910 fail_unreg:
1911         cx8800_unregister_video(dev);
1912         free_irq(pci_dev->irq, dev);
1913         mutex_unlock(&core->lock);
1914 fail_core:
1915         cx88_core_put(core,dev->pci);
1916 fail_free:
1917         kfree(dev);
1918         return err;
1919 }
1920
1921 static void cx8800_finidev(struct pci_dev *pci_dev)
1922 {
1923         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1924         struct cx88_core *core = dev->core;
1925
1926         /* stop thread */
1927         if (core->kthread) {
1928                 kthread_stop(core->kthread);
1929                 core->kthread = NULL;
1930         }
1931
1932         if (core->ir)
1933                 cx88_ir_stop(core);
1934
1935         cx88_shutdown(core); /* FIXME */
1936         pci_disable_device(pci_dev);
1937
1938         /* unregister stuff */
1939
1940         free_irq(pci_dev->irq, dev);
1941         cx8800_unregister_video(dev);
1942         pci_set_drvdata(pci_dev, NULL);
1943
1944         /* free memory */
1945         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1946         cx88_core_put(core,dev->pci);
1947         kfree(dev);
1948 }
1949
1950 #ifdef CONFIG_PM
1951 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1952 {
1953         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1954         struct cx88_core *core = dev->core;
1955         unsigned long flags;
1956
1957         /* stop video+vbi capture */
1958         spin_lock_irqsave(&dev->slock, flags);
1959         if (!list_empty(&dev->vidq.active)) {
1960                 printk("%s/0: suspend video\n", core->name);
1961                 stop_video_dma(dev);
1962                 del_timer(&dev->vidq.timeout);
1963         }
1964         if (!list_empty(&dev->vbiq.active)) {
1965                 printk("%s/0: suspend vbi\n", core->name);
1966                 cx8800_stop_vbi_dma(dev);
1967                 del_timer(&dev->vbiq.timeout);
1968         }
1969         spin_unlock_irqrestore(&dev->slock, flags);
1970
1971         if (core->ir)
1972                 cx88_ir_stop(core);
1973         /* FIXME -- shutdown device */
1974         cx88_shutdown(core);
1975
1976         pci_save_state(pci_dev);
1977         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1978                 pci_disable_device(pci_dev);
1979                 dev->state.disabled = 1;
1980         }
1981         return 0;
1982 }
1983
1984 static int cx8800_resume(struct pci_dev *pci_dev)
1985 {
1986         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1987         struct cx88_core *core = dev->core;
1988         unsigned long flags;
1989         int err;
1990
1991         if (dev->state.disabled) {
1992                 err=pci_enable_device(pci_dev);
1993                 if (err) {
1994                         printk(KERN_ERR "%s/0: can't enable device\n",
1995                                core->name);
1996                         return err;
1997                 }
1998
1999                 dev->state.disabled = 0;
2000         }
2001         err= pci_set_power_state(pci_dev, PCI_D0);
2002         if (err) {
2003                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2004                 pci_disable_device(pci_dev);
2005                 dev->state.disabled = 1;
2006
2007                 return err;
2008         }
2009         pci_restore_state(pci_dev);
2010
2011         /* FIXME: re-initialize hardware */
2012         cx88_reset(core);
2013         if (core->ir)
2014                 cx88_ir_start(core);
2015
2016         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2017
2018         /* restart video+vbi capture */
2019         spin_lock_irqsave(&dev->slock, flags);
2020         if (!list_empty(&dev->vidq.active)) {
2021                 printk("%s/0: resume video\n", core->name);
2022                 restart_video_queue(dev,&dev->vidq);
2023         }
2024         if (!list_empty(&dev->vbiq.active)) {
2025                 printk("%s/0: resume vbi\n", core->name);
2026                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2027         }
2028         spin_unlock_irqrestore(&dev->slock, flags);
2029
2030         return 0;
2031 }
2032 #endif
2033
2034 /* ----------------------------------------------------------- */
2035
2036 static const struct pci_device_id cx8800_pci_tbl[] = {
2037         {
2038                 .vendor       = 0x14f1,
2039                 .device       = 0x8800,
2040                 .subvendor    = PCI_ANY_ID,
2041                 .subdevice    = PCI_ANY_ID,
2042         },{
2043                 /* --- end of list --- */
2044         }
2045 };
2046 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2047
2048 static struct pci_driver cx8800_pci_driver = {
2049         .name     = "cx8800",
2050         .id_table = cx8800_pci_tbl,
2051         .probe    = cx8800_initdev,
2052         .remove   = cx8800_finidev,
2053 #ifdef CONFIG_PM
2054         .suspend  = cx8800_suspend,
2055         .resume   = cx8800_resume,
2056 #endif
2057 };
2058
2059 static int __init cx8800_init(void)
2060 {
2061         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n",
2062                CX88_VERSION);
2063         return pci_register_driver(&cx8800_pci_driver);
2064 }
2065
2066 static void __exit cx8800_fini(void)
2067 {
2068         pci_unregister_driver(&cx8800_pci_driver);
2069 }
2070
2071 module_init(cx8800_init);
2072 module_exit(cx8800_fini);