git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/cx88/cx88-video.c

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/moduleparam.h>
  32 #include <linux/kmod.h>
  33 #include <linux/kernel.h>
  34 #include <linux/slab.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/dma-mapping.h>
  37 #include <linux/delay.h>
  38 #include <linux/kthread.h>
  39 #include <asm/div64.h>
  40
  41 #include "cx88.h"
  42 #include <media/v4l2-common.h>
  43
  44 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  45 /* Include V4L1 specific functions. Should be removed soon */
  46 #include <linux/videodev.h>
  47 #endif
  48
  49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  51 MODULE_LICENSE("GPL");
  52
  53 /* ------------------------------------------------------------------ */
  54
  55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  58
  59 module_param_array(video_nr, int, NULL, 0444);
  60 module_param_array(vbi_nr,   int, NULL, 0444);
  61 module_param_array(radio_nr, int, NULL, 0444);
  62
  63 MODULE_PARM_DESC(video_nr,"video device numbers");
  64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  66
  67 static unsigned int video_debug = 0;
  68 module_param(video_debug,int,0644);
  69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  70
  71 static unsigned int irq_debug = 0;
  72 module_param(irq_debug,int,0644);
  73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  74
  75 static unsigned int vid_limit = 16;
  76 module_param(vid_limit,int,0644);
  77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  78
  79 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  80         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  81
  82 /* ------------------------------------------------------------------ */
  83
  84 static LIST_HEAD(cx8800_devlist);
  85
  86 /* ------------------------------------------------------------------- */
  87 /* static data                                                         */
  88
  89 static struct cx8800_fmt formats[] = {
  90         {
  91                 .name     = "8 bpp, gray",
  92                 .fourcc   = V4L2_PIX_FMT_GREY,
  93                 .cxformat = ColorFormatY8,
  94                 .depth    = 8,
  95                 .flags    = FORMAT_FLAGS_PACKED,
  96         },{
  97                 .name     = "15 bpp RGB, le",
  98                 .fourcc   = V4L2_PIX_FMT_RGB555,
  99                 .cxformat = ColorFormatRGB15,
 100                 .depth    = 16,
 101                 .flags    = FORMAT_FLAGS_PACKED,
 102         },{
 103                 .name     = "15 bpp RGB, be",
 104                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 105                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 106                 .depth    = 16,
 107                 .flags    = FORMAT_FLAGS_PACKED,
 108         },{
 109                 .name     = "16 bpp RGB, le",
 110                 .fourcc   = V4L2_PIX_FMT_RGB565,
 111                 .cxformat = ColorFormatRGB16,
 112                 .depth    = 16,
 113                 .flags    = FORMAT_FLAGS_PACKED,
 114         },{
 115                 .name     = "16 bpp RGB, be",
 116                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 117                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 118                 .depth    = 16,
 119                 .flags    = FORMAT_FLAGS_PACKED,
 120         },{
 121                 .name     = "24 bpp RGB, le",
 122                 .fourcc   = V4L2_PIX_FMT_BGR24,
 123                 .cxformat = ColorFormatRGB24,
 124                 .depth    = 24,
 125                 .flags    = FORMAT_FLAGS_PACKED,
 126         },{
 127                 .name     = "32 bpp RGB, le",
 128                 .fourcc   = V4L2_PIX_FMT_BGR32,
 129                 .cxformat = ColorFormatRGB32,
 130                 .depth    = 32,
 131                 .flags    = FORMAT_FLAGS_PACKED,
 132         },{
 133                 .name     = "32 bpp RGB, be",
 134                 .fourcc   = V4L2_PIX_FMT_RGB32,
 135                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 136                 .depth    = 32,
 137                 .flags    = FORMAT_FLAGS_PACKED,
 138         },{
 139                 .name     = "4:2:2, packed, YUYV",
 140                 .fourcc   = V4L2_PIX_FMT_YUYV,
 141                 .cxformat = ColorFormatYUY2,
 142                 .depth    = 16,
 143                 .flags    = FORMAT_FLAGS_PACKED,
 144         },{
 145                 .name     = "4:2:2, packed, UYVY",
 146                 .fourcc   = V4L2_PIX_FMT_UYVY,
 147                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 148                 .depth    = 16,
 149                 .flags    = FORMAT_FLAGS_PACKED,
 150         },
 151 };
 152
 153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 154 {
 155         unsigned int i;
 156
 157         for (i = 0; i < ARRAY_SIZE(formats); i++)
 158                 if (formats[i].fourcc == fourcc)
 159                         return formats+i;
 160         return NULL;
 161 }
 162
 163 /* ------------------------------------------------------------------- */
 164
 165 static const struct v4l2_queryctrl no_ctl = {
 166         .name  = "42",
 167         .flags = V4L2_CTRL_FLAG_DISABLED,
 168 };
 169
 170 static struct cx88_ctrl cx8800_ctls[] = {
 171         /* --- video --- */
 172         {
 173                 .v = {
 174                         .id            = V4L2_CID_BRIGHTNESS,
 175                         .name          = "Brightness",
 176                         .minimum       = 0x00,
 177                         .maximum       = 0xff,
 178                         .step          = 1,
 179                         .default_value = 0x7f,
 180                         .type          = V4L2_CTRL_TYPE_INTEGER,
 181                 },
 182                 .off                   = 128,
 183                 .reg                   = MO_CONTR_BRIGHT,
 184                 .mask                  = 0x00ff,
 185                 .shift                 = 0,
 186         },{
 187                 .v = {
 188                         .id            = V4L2_CID_CONTRAST,
 189                         .name          = "Contrast",
 190                         .minimum       = 0,
 191                         .maximum       = 0xff,
 192                         .step          = 1,
 193                         .default_value = 0x3f,
 194                         .type          = V4L2_CTRL_TYPE_INTEGER,
 195                 },
 196                 .off                   = 0,
 197                 .reg                   = MO_CONTR_BRIGHT,
 198                 .mask                  = 0xff00,
 199                 .shift                 = 8,
 200         },{
 201                 .v = {
 202                         .id            = V4L2_CID_HUE,
 203                         .name          = "Hue",
 204                         .minimum       = 0,
 205                         .maximum       = 0xff,
 206                         .step          = 1,
 207                         .default_value = 0x7f,
 208                         .type          = V4L2_CTRL_TYPE_INTEGER,
 209                 },
 210                 .off                   = 128,
 211                 .reg                   = MO_HUE,
 212                 .mask                  = 0x00ff,
 213                 .shift                 = 0,
 214         },{
 215                 /* strictly, this only describes only U saturation.
 216                  * V saturation is handled specially through code.
 217                  */
 218                 .v = {
 219                         .id            = V4L2_CID_SATURATION,
 220                         .name          = "Saturation",
 221                         .minimum       = 0,
 222                         .maximum       = 0xff,
 223                         .step          = 1,
 224                         .default_value = 0x7f,
 225                         .type          = V4L2_CTRL_TYPE_INTEGER,
 226                 },
 227                 .off                   = 0,
 228                 .reg                   = MO_UV_SATURATION,
 229                 .mask                  = 0x00ff,
 230                 .shift                 = 0,
 231         },{
 232         /* --- audio --- */
 233                 .v = {
 234                         .id            = V4L2_CID_AUDIO_MUTE,
 235                         .name          = "Mute",
 236                         .minimum       = 0,
 237                         .maximum       = 1,
 238                         .default_value = 1,
 239                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 240                 },
 241                 .reg                   = AUD_VOL_CTL,
 242                 .sreg                  = SHADOW_AUD_VOL_CTL,
 243                 .mask                  = (1 << 6),
 244                 .shift                 = 6,
 245         },{
 246                 .v = {
 247                         .id            = V4L2_CID_AUDIO_VOLUME,
 248                         .name          = "Volume",
 249                         .minimum       = 0,
 250                         .maximum       = 0x3f,
 251                         .step          = 1,
 252                         .default_value = 0x3f,
 253                         .type          = V4L2_CTRL_TYPE_INTEGER,
 254                 },
 255                 .reg                   = AUD_VOL_CTL,
 256                 .sreg                  = SHADOW_AUD_VOL_CTL,
 257                 .mask                  = 0x3f,
 258                 .shift                 = 0,
 259         },{
 260                 .v = {
 261                         .id            = V4L2_CID_AUDIO_BALANCE,
 262                         .name          = "Balance",
 263                         .minimum       = 0,
 264                         .maximum       = 0x7f,
 265                         .step          = 1,
 266                         .default_value = 0x40,
 267                         .type          = V4L2_CTRL_TYPE_INTEGER,
 268                 },
 269                 .reg                   = AUD_BAL_CTL,
 270                 .sreg                  = SHADOW_AUD_BAL_CTL,
 271                 .mask                  = 0x7f,
 272                 .shift                 = 0,
 273         }
 274 };
 275 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 276
 277 const u32 cx88_user_ctrls[] = {
 278         V4L2_CID_USER_CLASS,
 279         V4L2_CID_BRIGHTNESS,
 280         V4L2_CID_CONTRAST,
 281         V4L2_CID_SATURATION,
 282         V4L2_CID_HUE,
 283         V4L2_CID_AUDIO_VOLUME,
 284         V4L2_CID_AUDIO_BALANCE,
 285         V4L2_CID_AUDIO_MUTE,
 286         0
 287 };
 288 EXPORT_SYMBOL(cx88_user_ctrls);
 289
 290 static const u32 *ctrl_classes[] = {
 291         cx88_user_ctrls,
 292         NULL
 293 };
 294
 295 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
 296 {
 297         int i;
 298
 299         if (qctrl->id < V4L2_CID_BASE ||
 300             qctrl->id >= V4L2_CID_LASTP1)
 301                 return -EINVAL;
 302         for (i = 0; i < CX8800_CTLS; i++)
 303                 if (cx8800_ctls[i].v.id == qctrl->id)
 304                         break;
 305         if (i == CX8800_CTLS) {
 306                 *qctrl = no_ctl;
 307                 return 0;
 308         }
 309         *qctrl = cx8800_ctls[i].v;
 310         return 0;
 311 }
 312 EXPORT_SYMBOL(cx8800_ctrl_query);
 313
 314 /* ------------------------------------------------------------------- */
 315 /* resource management                                                 */
 316
 317 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 318 {
 319         struct cx88_core *core = dev->core;
 320         if (fh->resources & bit)
 321                 /* have it already allocated */
 322                 return 1;
 323
 324         /* is it free? */
 325         mutex_lock(&core->lock);
 326         if (dev->resources & bit) {
 327                 /* no, someone else uses it */
 328                 mutex_unlock(&core->lock);
 329                 return 0;
 330         }
 331         /* it's free, grab it */
 332         fh->resources  |= bit;
 333         dev->resources |= bit;
 334         dprintk(1,"res: get %d\n",bit);
 335         mutex_unlock(&core->lock);
 336         return 1;
 337 }
 338
 339 static
 340 int res_check(struct cx8800_fh *fh, unsigned int bit)
 341 {
 342         return (fh->resources & bit);
 343 }
 344
 345 static
 346 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 347 {
 348         return (dev->resources & bit);
 349 }
 350
 351 static
 352 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 353 {
 354         struct cx88_core *core = dev->core;
 355         BUG_ON((fh->resources & bits) != bits);
 356
 357         mutex_lock(&core->lock);
 358         fh->resources  &= ~bits;
 359         dev->resources &= ~bits;
 360         dprintk(1,"res: put %d\n",bits);
 361         mutex_unlock(&core->lock);
 362 }
 363
 364 /* ------------------------------------------------------------------ */
 365
 366 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 367 {
 368         /* struct cx88_core *core = dev->core; */
 369
 370         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 371                 input, INPUT(input).vmux,
 372                 INPUT(input).gpio0,INPUT(input).gpio1,
 373                 INPUT(input).gpio2,INPUT(input).gpio3);
 374         core->input = input;
 375         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 376         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 377         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 378         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 379         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 380
 381         switch (INPUT(input).type) {
 382         case CX88_VMUX_SVIDEO:
 383                 cx_set(MO_AFECFG_IO,    0x00000001);
 384                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 385                 cx_set(MO_FILTER_EVEN,  0x00002020);
 386                 cx_set(MO_FILTER_ODD,   0x00002020);
 387                 break;
 388         default:
 389                 cx_clear(MO_AFECFG_IO,    0x00000001);
 390                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 391                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 392                 cx_clear(MO_FILTER_ODD,   0x00002020);
 393                 break;
 394         }
 395
 396         if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {
 397                 /* sets sound input from external adc */
 398                 if (INPUT(input).extadc)
 399                         cx_set(AUD_CTL, EN_I2SIN_ENABLE);
 400                 else
 401                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 402         }
 403         return 0;
 404 }
 405 EXPORT_SYMBOL(cx88_video_mux);
 406
 407 /* ------------------------------------------------------------------ */
 408
 409 static int start_video_dma(struct cx8800_dev    *dev,
 410                            struct cx88_dmaqueue *q,
 411                            struct cx88_buffer   *buf)
 412 {
 413         struct cx88_core *core = dev->core;
 414
 415         /* setup fifo + format */
 416         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 417                                 buf->bpl, buf->risc.dma);
 418         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 419         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 420
 421         /* reset counter */
 422         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 423         q->count = 1;
 424
 425         /* enable irqs */
 426         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
 427
 428         /* Enables corresponding bits at PCI_INT_STAT:
 429                 bits 0 to 4: video, audio, transport stream, VIP, Host
 430                 bit 7: timer
 431                 bits 8 and 9: DMA complete for: SRC, DST
 432                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 433                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 434          */
 435         cx_set(MO_VID_INTMSK, 0x0f0011);
 436
 437         /* enable capture */
 438         cx_set(VID_CAPTURE_CONTROL,0x06);
 439
 440         /* start dma */
 441         cx_set(MO_DEV_CNTRL2, (1<<5));
 442         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 443
 444         return 0;
 445 }
 446
 447 #ifdef CONFIG_PM
 448 static int stop_video_dma(struct cx8800_dev    *dev)
 449 {
 450         struct cx88_core *core = dev->core;
 451
 452         /* stop dma */
 453         cx_clear(MO_VID_DMACNTRL, 0x11);
 454
 455         /* disable capture */
 456         cx_clear(VID_CAPTURE_CONTROL,0x06);
 457
 458         /* disable irqs */
 459         cx_clear(MO_PCI_INTMSK, 0x000001);
 460         cx_clear(MO_VID_INTMSK, 0x0f0011);
 461         return 0;
 462 }
 463 #endif
 464
 465 static int restart_video_queue(struct cx8800_dev    *dev,
 466                                struct cx88_dmaqueue *q)
 467 {
 468         struct cx88_core *core = dev->core;
 469         struct cx88_buffer *buf, *prev;
 470         struct list_head *item;
 471
 472         if (!list_empty(&q->active)) {
 473                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 474                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 475                         buf, buf->vb.i);
 476                 start_video_dma(dev, q, buf);
 477                 list_for_each(item,&q->active) {
 478                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 479                         buf->count    = q->count++;
 480                 }
 481                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 482                 return 0;
 483         }
 484
 485         prev = NULL;
 486         for (;;) {
 487                 if (list_empty(&q->queued))
 488                         return 0;
 489                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 490                 if (NULL == prev) {
 491                         list_move_tail(&buf->vb.queue, &q->active);
 492                         start_video_dma(dev, q, buf);
 493                         buf->vb.state = STATE_ACTIVE;
 494                         buf->count    = q->count++;
 495                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 496                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 497                                 buf,buf->vb.i);
 498
 499                 } else if (prev->vb.width  == buf->vb.width  &&
 500                            prev->vb.height == buf->vb.height &&
 501                            prev->fmt       == buf->fmt) {
 502                         list_move_tail(&buf->vb.queue, &q->active);
 503                         buf->vb.state = STATE_ACTIVE;
 504                         buf->count    = q->count++;
 505                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 506                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 507                                 buf,buf->vb.i);
 508                 } else {
 509                         return 0;
 510                 }
 511                 prev = buf;
 512         }
 513 }
 514
 515 /* ------------------------------------------------------------------ */
 516
 517 static int
 518 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 519 {
 520         struct cx8800_fh *fh = q->priv_data;
 521
 522         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 523         if (0 == *count)
 524                 *count = 32;
 525         while (*size * *count > vid_limit * 1024 * 1024)
 526                 (*count)--;
 527         return 0;
 528 }
 529
 530 static int
 531 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 532                enum v4l2_field field)
 533 {
 534         struct cx8800_fh   *fh  = q->priv_data;
 535         struct cx8800_dev  *dev = fh->dev;
 536         struct cx88_core *core = dev->core;
 537         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 538         int rc, init_buffer = 0;
 539
 540         BUG_ON(NULL == fh->fmt);
 541         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 542             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 543                 return -EINVAL;
 544         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 545         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 546                 return -EINVAL;
 547
 548         if (buf->fmt       != fh->fmt    ||
 549             buf->vb.width  != fh->width  ||
 550             buf->vb.height != fh->height ||
 551             buf->vb.field  != field) {
 552                 buf->fmt       = fh->fmt;
 553                 buf->vb.width  = fh->width;
 554                 buf->vb.height = fh->height;
 555                 buf->vb.field  = field;
 556                 init_buffer = 1;
 557         }
 558
 559         if (STATE_NEEDS_INIT == buf->vb.state) {
 560                 init_buffer = 1;
 561                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 562                         goto fail;
 563         }
 564
 565         if (init_buffer) {
 566                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 567                 switch (buf->vb.field) {
 568                 case V4L2_FIELD_TOP:
 569                         cx88_risc_buffer(dev->pci, &buf->risc,
 570                                          buf->vb.dma.sglist, 0, UNSET,
 571                                          buf->bpl, 0, buf->vb.height);
 572                         break;
 573                 case V4L2_FIELD_BOTTOM:
 574                         cx88_risc_buffer(dev->pci, &buf->risc,
 575                                          buf->vb.dma.sglist, UNSET, 0,
 576                                          buf->bpl, 0, buf->vb.height);
 577                         break;
 578                 case V4L2_FIELD_INTERLACED:
 579                         cx88_risc_buffer(dev->pci, &buf->risc,
 580                                          buf->vb.dma.sglist, 0, buf->bpl,
 581                                          buf->bpl, buf->bpl,
 582                                          buf->vb.height >> 1);
 583                         break;
 584                 case V4L2_FIELD_SEQ_TB:
 585                         cx88_risc_buffer(dev->pci, &buf->risc,
 586                                          buf->vb.dma.sglist,
 587                                          0, buf->bpl * (buf->vb.height >> 1),
 588                                          buf->bpl, 0,
 589                                          buf->vb.height >> 1);
 590                         break;
 591                 case V4L2_FIELD_SEQ_BT:
 592                         cx88_risc_buffer(dev->pci, &buf->risc,
 593                                          buf->vb.dma.sglist,
 594                                          buf->bpl * (buf->vb.height >> 1), 0,
 595                                          buf->bpl, 0,
 596                                          buf->vb.height >> 1);
 597                         break;
 598                 default:
 599                         BUG();
 600                 }
 601         }
 602         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 603                 buf, buf->vb.i,
 604                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 605                 (unsigned long)buf->risc.dma);
 606
 607         buf->vb.state = STATE_PREPARED;
 608         return 0;
 609
 610  fail:
 611         cx88_free_buffer(q,buf);
 612         return rc;
 613 }
 614
 615 static void
 616 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 617 {
 618         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 619         struct cx88_buffer    *prev;
 620         struct cx8800_fh      *fh   = vq->priv_data;
 621         struct cx8800_dev     *dev  = fh->dev;
 622         struct cx88_core      *core = dev->core;
 623         struct cx88_dmaqueue  *q    = &dev->vidq;
 624
 625         /* add jump to stopper */
 626         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 627         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 628
 629         if (!list_empty(&q->queued)) {
 630                 list_add_tail(&buf->vb.queue,&q->queued);
 631                 buf->vb.state = STATE_QUEUED;
 632                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 633                         buf, buf->vb.i);
 634
 635         } else if (list_empty(&q->active)) {
 636                 list_add_tail(&buf->vb.queue,&q->active);
 637                 start_video_dma(dev, q, buf);
 638                 buf->vb.state = STATE_ACTIVE;
 639                 buf->count    = q->count++;
 640                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 641                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 642                         buf, buf->vb.i);
 643
 644         } else {
 645                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 646                 if (prev->vb.width  == buf->vb.width  &&
 647                     prev->vb.height == buf->vb.height &&
 648                     prev->fmt       == buf->fmt) {
 649                         list_add_tail(&buf->vb.queue,&q->active);
 650                         buf->vb.state = STATE_ACTIVE;
 651                         buf->count    = q->count++;
 652                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 653                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 654                                 buf, buf->vb.i);
 655
 656                 } else {
 657                         list_add_tail(&buf->vb.queue,&q->queued);
 658                         buf->vb.state = STATE_QUEUED;
 659                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 660                                 buf, buf->vb.i);
 661                 }
 662         }
 663 }
 664
 665 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 666 {
 667         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 668
 669         cx88_free_buffer(q,buf);
 670 }
 671
 672 static struct videobuf_queue_ops cx8800_video_qops = {
 673         .buf_setup    = buffer_setup,
 674         .buf_prepare  = buffer_prepare,
 675         .buf_queue    = buffer_queue,
 676         .buf_release  = buffer_release,
 677 };
 678
 679 /* ------------------------------------------------------------------ */
 680
 681
 682 /* ------------------------------------------------------------------ */
 683
 684 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 685 {
 686         switch (fh->type) {
 687         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 688                 return &fh->vidq;
 689         case V4L2_BUF_TYPE_VBI_CAPTURE:
 690                 return &fh->vbiq;
 691         default:
 692                 BUG();
 693                 return NULL;
 694         }
 695 }
 696
 697 static int get_ressource(struct cx8800_fh *fh)
 698 {
 699         switch (fh->type) {
 700         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 701                 return RESOURCE_VIDEO;
 702         case V4L2_BUF_TYPE_VBI_CAPTURE:
 703                 return RESOURCE_VBI;
 704         default:
 705                 BUG();
 706                 return 0;
 707         }
 708 }
 709
 710 static int video_open(struct inode *inode, struct file *file)
 711 {
 712         int minor = iminor(inode);
 713         struct cx8800_dev *h,*dev = NULL;
 714         struct cx88_core *core;
 715         struct cx8800_fh *fh;
 716         struct list_head *list;
 717         enum v4l2_buf_type type = 0;
 718         int radio = 0;
 719
 720         list_for_each(list,&cx8800_devlist) {
 721                 h = list_entry(list, struct cx8800_dev, devlist);
 722                 if (h->video_dev->minor == minor) {
 723                         dev  = h;
 724                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 725                 }
 726                 if (h->vbi_dev->minor == minor) {
 727                         dev  = h;
 728                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 729                 }
 730                 if (h->radio_dev &&
 731                     h->radio_dev->minor == minor) {
 732                         radio = 1;
 733                         dev   = h;
 734                 }
 735         }
 736         if (NULL == dev)
 737                 return -ENODEV;
 738
 739         core = dev->core;
 740
 741         dprintk(1,"open minor=%d radio=%d type=%s\n",
 742                 minor,radio,v4l2_type_names[type]);
 743
 744         /* allocate + initialize per filehandle data */
 745         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 746         if (NULL == fh)
 747                 return -ENOMEM;
 748         file->private_data = fh;
 749         fh->dev      = dev;
 750         fh->radio    = radio;
 751         fh->type     = type;
 752         fh->width    = 320;
 753         fh->height   = 240;
 754         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 755
 756         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
 757                             dev->pci, &dev->slock,
 758                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 759                             V4L2_FIELD_INTERLACED,
 760                             sizeof(struct cx88_buffer),
 761                             fh);
 762         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 763                             dev->pci, &dev->slock,
 764                             V4L2_BUF_TYPE_VBI_CAPTURE,
 765                             V4L2_FIELD_SEQ_TB,
 766                             sizeof(struct cx88_buffer),
 767                             fh);
 768
 769         if (fh->radio) {
 770                 dprintk(1,"video_open: setting radio device\n");
 771                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 772                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 773                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 774                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 775                 core->tvaudio = WW_FM;
 776                 cx88_set_tvaudio(core);
 777                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 778                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 779         }
 780
 781         return 0;
 782 }
 783
 784 static ssize_t
 785 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 786 {
 787         struct cx8800_fh *fh = file->private_data;
 788
 789         switch (fh->type) {
 790         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 791                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 792                         return -EBUSY;
 793                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 794                                          file->f_flags & O_NONBLOCK);
 795         case V4L2_BUF_TYPE_VBI_CAPTURE:
 796                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 797                         return -EBUSY;
 798                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 799                                             file->f_flags & O_NONBLOCK);
 800         default:
 801                 BUG();
 802                 return 0;
 803         }
 804 }
 805
 806 static unsigned int
 807 video_poll(struct file *file, struct poll_table_struct *wait)
 808 {
 809         struct cx8800_fh *fh = file->private_data;
 810         struct cx88_buffer *buf;
 811
 812         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 813                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 814                         return POLLERR;
 815                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 816         }
 817
 818         if (res_check(fh,RESOURCE_VIDEO)) {
 819                 /* streaming capture */
 820                 if (list_empty(&fh->vidq.stream))
 821                         return POLLERR;
 822                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 823         } else {
 824                 /* read() capture */
 825                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 826                 if (NULL == buf)
 827                         return POLLERR;
 828         }
 829         poll_wait(file, &buf->vb.done, wait);
 830         if (buf->vb.state == STATE_DONE ||
 831             buf->vb.state == STATE_ERROR)
 832                 return POLLIN|POLLRDNORM;
 833         return 0;
 834 }
 835
 836 static int video_release(struct inode *inode, struct file *file)
 837 {
 838         struct cx8800_fh  *fh  = file->private_data;
 839         struct cx8800_dev *dev = fh->dev;
 840
 841         /* turn off overlay */
 842         if (res_check(fh, RESOURCE_OVERLAY)) {
 843                 /* FIXME */
 844                 res_free(dev,fh,RESOURCE_OVERLAY);
 845         }
 846
 847         /* stop video capture */
 848         if (res_check(fh, RESOURCE_VIDEO)) {
 849                 videobuf_queue_cancel(&fh->vidq);
 850                 res_free(dev,fh,RESOURCE_VIDEO);
 851         }
 852         if (fh->vidq.read_buf) {
 853                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 854                 kfree(fh->vidq.read_buf);
 855         }
 856
 857         /* stop vbi capture */
 858         if (res_check(fh, RESOURCE_VBI)) {
 859                 if (fh->vbiq.streaming)
 860                         videobuf_streamoff(&fh->vbiq);
 861                 if (fh->vbiq.reading)
 862                         videobuf_read_stop(&fh->vbiq);
 863                 res_free(dev,fh,RESOURCE_VBI);
 864         }
 865
 866         videobuf_mmap_free(&fh->vidq);
 867         videobuf_mmap_free(&fh->vbiq);
 868         file->private_data = NULL;
 869         kfree(fh);
 870
 871         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 872
 873         return 0;
 874 }
 875
 876 static int
 877 video_mmap(struct file *file, struct vm_area_struct * vma)
 878 {
 879         struct cx8800_fh *fh = file->private_data;
 880
 881         return videobuf_mmap_mapper(get_queue(fh), vma);
 882 }
 883
 884 /* ------------------------------------------------------------------ */
 885 /* VIDEO CTRL IOCTLS                                                  */
 886
 887 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 888 {
 889         struct cx88_ctrl  *c    = NULL;
 890         u32 value;
 891         int i;
 892
 893         for (i = 0; i < CX8800_CTLS; i++)
 894                 if (cx8800_ctls[i].v.id == ctl->id)
 895                         c = &cx8800_ctls[i];
 896         if (unlikely(NULL == c))
 897                 return -EINVAL;
 898
 899         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 900         switch (ctl->id) {
 901         case V4L2_CID_AUDIO_BALANCE:
 902                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 903                                         : (0x7f - (value & 0x7f));
 904                 break;
 905         case V4L2_CID_AUDIO_VOLUME:
 906                 ctl->value = 0x3f - (value & 0x3f);
 907                 break;
 908         default:
 909                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 910                 break;
 911         }
 912         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 913                                 ctl->id, c->v.name, ctl->value, c->reg,
 914                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 915         return 0;
 916 }
 917 EXPORT_SYMBOL(cx88_get_control);
 918
 919 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 920 {
 921         struct cx88_ctrl *c = NULL;
 922         u32 value,mask;
 923         int i;
 924
 925         for (i = 0; i < CX8800_CTLS; i++) {
 926                 if (cx8800_ctls[i].v.id == ctl->id) {
 927                         c = &cx8800_ctls[i];
 928                 }
 929         }
 930         if (unlikely(NULL == c))
 931                 return -EINVAL;
 932
 933         if (ctl->value < c->v.minimum)
 934                 ctl->value = c->v.minimum;
 935         if (ctl->value > c->v.maximum)
 936                 ctl->value = c->v.maximum;
 937         mask=c->mask;
 938         switch (ctl->id) {
 939         case V4L2_CID_AUDIO_BALANCE:
 940                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 941                 break;
 942         case V4L2_CID_AUDIO_VOLUME:
 943                 value = 0x3f - (ctl->value & 0x3f);
 944                 break;
 945         case V4L2_CID_SATURATION:
 946                 /* special v_sat handling */
 947
 948                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 949
 950                 if (core->tvnorm & V4L2_STD_SECAM) {
 951                         /* For SECAM, both U and V sat should be equal */
 952                         value=value<<8|value;
 953                 } else {
 954                         /* Keeps U Saturation proportional to V Sat */
 955                         value=(value*0x5a)/0x7f<<8|value;
 956                 }
 957                 mask=0xffff;
 958                 break;
 959         default:
 960                 value = ((ctl->value - c->off) << c->shift) & c->mask;
 961                 break;
 962         }
 963         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 964                                 ctl->id, c->v.name, ctl->value, c->reg, value,
 965                                 mask, c->sreg ? " [shadowed]" : "");
 966         if (c->sreg) {
 967                 cx_sandor(c->sreg, c->reg, mask, value);
 968         } else {
 969                 cx_andor(c->reg, mask, value);
 970         }
 971         return 0;
 972 }
 973 EXPORT_SYMBOL(cx88_set_control);
 974
 975 static void init_controls(struct cx88_core *core)
 976 {
 977         struct v4l2_control ctrl;
 978         int i;
 979
 980         for (i = 0; i < CX8800_CTLS; i++) {
 981                 ctrl.id=cx8800_ctls[i].v.id;
 982                 ctrl.value=cx8800_ctls[i].v.default_value;
 983
 984                 cx88_set_control(core, &ctrl);
 985         }
 986 }
 987
 988 /* ------------------------------------------------------------------ */
 989 /* VIDEO IOCTLS                                                       */
 990
 991 static int vidioc_g_fmt_cap (struct file *file, void *priv,
 992                                         struct v4l2_format *f)
 993 {
 994         struct cx8800_fh  *fh   = priv;
 995
 996         f->fmt.pix.width        = fh->width;
 997         f->fmt.pix.height       = fh->height;
 998         f->fmt.pix.field        = fh->vidq.field;
 999         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1000         f->fmt.pix.bytesperline =
1001                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1002         f->fmt.pix.sizeimage =
1003                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1004         return 0;
1005 }
1006
1007 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1008                         struct v4l2_format *f)
1009 {
1010         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1011         struct cx8800_fmt *fmt;
1012         enum v4l2_field   field;
1013         unsigned int      maxw, maxh;
1014
1015         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1016         if (NULL == fmt)
1017                 return -EINVAL;
1018
1019         field = f->fmt.pix.field;
1020         maxw  = norm_maxw(core->tvnorm);
1021         maxh  = norm_maxh(core->tvnorm);
1022
1023         if (V4L2_FIELD_ANY == field) {
1024                 field = (f->fmt.pix.height > maxh/2)
1025                         ? V4L2_FIELD_INTERLACED
1026                         : V4L2_FIELD_BOTTOM;
1027         }
1028
1029         switch (field) {
1030         case V4L2_FIELD_TOP:
1031         case V4L2_FIELD_BOTTOM:
1032                 maxh = maxh / 2;
1033                 break;
1034         case V4L2_FIELD_INTERLACED:
1035                 break;
1036         default:
1037                 return -EINVAL;
1038         }
1039
1040         f->fmt.pix.field = field;
1041         if (f->fmt.pix.height < 32)
1042                 f->fmt.pix.height = 32;
1043         if (f->fmt.pix.height > maxh)
1044                 f->fmt.pix.height = maxh;
1045         if (f->fmt.pix.width < 48)
1046                 f->fmt.pix.width = 48;
1047         if (f->fmt.pix.width > maxw)
1048                 f->fmt.pix.width = maxw;
1049         f->fmt.pix.width &= ~0x03;
1050         f->fmt.pix.bytesperline =
1051                 (f->fmt.pix.width * fmt->depth) >> 3;
1052         f->fmt.pix.sizeimage =
1053                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1054
1055         return 0;
1056 }
1057
1058 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1059                                         struct v4l2_format *f)
1060 {
1061         struct cx8800_fh  *fh   = priv;
1062         int err = vidioc_try_fmt_cap (file,priv,f);
1063
1064         if (0 != err)
1065                 return err;
1066         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1067         fh->width      = f->fmt.pix.width;
1068         fh->height     = f->fmt.pix.height;
1069         fh->vidq.field = f->fmt.pix.field;
1070         return 0;
1071 }
1072
1073 static int vidioc_querycap (struct file *file, void  *priv,
1074                                         struct v4l2_capability *cap)
1075 {
1076         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1077         struct cx88_core  *core = dev->core;
1078
1079         strcpy(cap->driver, "cx8800");
1080         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1081         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1082         cap->version = CX88_VERSION_CODE;
1083         cap->capabilities =
1084                 V4L2_CAP_VIDEO_CAPTURE |
1085                 V4L2_CAP_READWRITE     |
1086                 V4L2_CAP_STREAMING     |
1087                 V4L2_CAP_VBI_CAPTURE;
1088         if (UNSET != core->board.tuner_type)
1089                 cap->capabilities |= V4L2_CAP_TUNER;
1090         return 0;
1091 }
1092
1093 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
1094                                         struct v4l2_fmtdesc *f)
1095 {
1096         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1097                 return -EINVAL;
1098
1099         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1100         f->pixelformat = formats[f->index].fourcc;
1101
1102         return 0;
1103 }
1104
1105 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1106 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1107 {
1108         struct cx8800_fh           *fh   = priv;
1109         struct videobuf_queue      *q;
1110         struct v4l2_requestbuffers req;
1111         unsigned int i;
1112         int err;
1113
1114         q = get_queue(fh);
1115         memset(&req,0,sizeof(req));
1116         req.type   = q->type;
1117         req.count  = 8;
1118         req.memory = V4L2_MEMORY_MMAP;
1119         err = videobuf_reqbufs(q,&req);
1120         if (err < 0)
1121                 return err;
1122
1123         mbuf->frames = req.count;
1124         mbuf->size   = 0;
1125         for (i = 0; i < mbuf->frames; i++) {
1126                 mbuf->offsets[i]  = q->bufs[i]->boff;
1127                 mbuf->size       += q->bufs[i]->bsize;
1128         }
1129         return 0;
1130 }
1131 #endif
1132
1133 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1134 {
1135         struct cx8800_fh  *fh   = priv;
1136         return (videobuf_reqbufs(get_queue(fh), p));
1137 }
1138
1139 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1140 {
1141         struct cx8800_fh  *fh   = priv;
1142         return (videobuf_querybuf(get_queue(fh), p));
1143 }
1144
1145 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1146 {
1147         struct cx8800_fh  *fh   = priv;
1148         return (videobuf_qbuf(get_queue(fh), p));
1149 }
1150
1151 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1152 {
1153         struct cx8800_fh  *fh   = priv;
1154         return (videobuf_dqbuf(get_queue(fh), p,
1155                                 file->f_flags & O_NONBLOCK));
1156 }
1157
1158 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1159 {
1160         struct cx8800_fh  *fh   = priv;
1161         struct cx8800_dev *dev  = fh->dev;
1162
1163         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1164                 return -EINVAL;
1165         if (unlikely(i != fh->type))
1166                 return -EINVAL;
1167
1168         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1169                 return -EBUSY;
1170         return videobuf_streamon(get_queue(fh));
1171 }
1172
1173 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1174 {
1175         struct cx8800_fh  *fh   = priv;
1176         struct cx8800_dev *dev  = fh->dev;
1177         int               err, res;
1178
1179         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1180                 return -EINVAL;
1181         if (i != fh->type)
1182                 return -EINVAL;
1183
1184         res = get_ressource(fh);
1185         err = videobuf_streamoff(get_queue(fh));
1186         if (err < 0)
1187                 return err;
1188         res_free(dev,fh,res);
1189         return 0;
1190 }
1191
1192 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1193 {
1194         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1195
1196         mutex_lock(&core->lock);
1197         cx88_set_tvnorm(core,*tvnorms);
1198         mutex_unlock(&core->lock);
1199
1200         return 0;
1201 }
1202
1203 /* only one input in this sample driver */
1204 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1205 {
1206         static const char *iname[] = {
1207                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1208                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1209                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1210                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1211                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1212                 [ CX88_VMUX_TELEVISION ] = "Television",
1213                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1214                 [ CX88_VMUX_DVB        ] = "DVB",
1215                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1216         };
1217         unsigned int n;
1218
1219         n = i->index;
1220         if (n >= 4)
1221                 return -EINVAL;
1222         if (0 == INPUT(n).type)
1223                 return -EINVAL;
1224         memset(i,0,sizeof(*i));
1225         i->index = n;
1226         i->type  = V4L2_INPUT_TYPE_CAMERA;
1227         strcpy(i->name,iname[INPUT(n).type]);
1228         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1229             (CX88_VMUX_CABLE      == INPUT(n).type))
1230                 i->type = V4L2_INPUT_TYPE_TUNER;
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
1258         mutex_lock(&core->lock);
1259         cx88_newstation(core);
1260         cx88_video_mux(core,i);
1261         mutex_unlock(&core->lock);
1262         return 0;
1263 }
1264
1265
1266
1267 static int vidioc_queryctrl (struct file *file, void *priv,
1268                                 struct v4l2_queryctrl *qctrl)
1269 {
1270         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1271         if (unlikely(qctrl->id == 0))
1272                 return -EINVAL;
1273         return cx8800_ctrl_query(qctrl);
1274 }
1275
1276 static int vidioc_g_ctrl (struct file *file, void *priv,
1277                                 struct v4l2_control *ctl)
1278 {
1279         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1280         return
1281                 cx88_get_control(core,ctl);
1282 }
1283
1284 static int vidioc_s_ctrl (struct file *file, void *priv,
1285                                 struct v4l2_control *ctl)
1286 {
1287         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1288         return
1289                 cx88_set_control(core,ctl);
1290 }
1291
1292 static int vidioc_g_tuner (struct file *file, void *priv,
1293                                 struct v4l2_tuner *t)
1294 {
1295         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1296         u32 reg;
1297
1298         if (unlikely(UNSET == core->board.tuner_type))
1299                 return -EINVAL;
1300         if (0 != t->index)
1301                 return -EINVAL;
1302
1303         strcpy(t->name, "Television");
1304         t->type       = V4L2_TUNER_ANALOG_TV;
1305         t->capability = V4L2_TUNER_CAP_NORM;
1306         t->rangehigh  = 0xffffffffUL;
1307
1308         cx88_get_stereo(core ,t);
1309         reg = cx_read(MO_DEVICE_STATUS);
1310         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1311         return 0;
1312 }
1313
1314 static int vidioc_s_tuner (struct file *file, void *priv,
1315                                 struct v4l2_tuner *t)
1316 {
1317         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1318
1319         if (UNSET == core->board.tuner_type)
1320                 return -EINVAL;
1321         if (0 != t->index)
1322                 return -EINVAL;
1323
1324         cx88_set_stereo(core, t->audmode, 1);
1325         return 0;
1326 }
1327
1328 static int vidioc_g_frequency (struct file *file, void *priv,
1329                                 struct v4l2_frequency *f)
1330 {
1331         struct cx8800_fh  *fh   = priv;
1332         struct cx88_core  *core = fh->dev->core;
1333
1334         if (unlikely(UNSET == core->board.tuner_type))
1335                 return -EINVAL;
1336
1337         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1338         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1339         f->frequency = core->freq;
1340
1341         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1342
1343         return 0;
1344 }
1345
1346 int cx88_set_freq (struct cx88_core  *core,
1347                                 struct v4l2_frequency *f)
1348 {
1349         if (unlikely(UNSET == core->board.tuner_type))
1350                 return -EINVAL;
1351         if (unlikely(f->tuner != 0))
1352                 return -EINVAL;
1353
1354         mutex_lock(&core->lock);
1355         core->freq = f->frequency;
1356         cx88_newstation(core);
1357         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1358
1359         /* When changing channels it is required to reset TVAUDIO */
1360         msleep (10);
1361         cx88_set_tvaudio(core);
1362
1363         mutex_unlock(&core->lock);
1364
1365         return 0;
1366 }
1367 EXPORT_SYMBOL(cx88_set_freq);
1368
1369 static int vidioc_s_frequency (struct file *file, void *priv,
1370                                 struct v4l2_frequency *f)
1371 {
1372         struct cx8800_fh  *fh   = priv;
1373         struct cx88_core  *core = fh->dev->core;
1374
1375         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1376                 return -EINVAL;
1377         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1378                 return -EINVAL;
1379
1380         return
1381                 cx88_set_freq (core,f);
1382 }
1383
1384 #ifdef CONFIG_VIDEO_ADV_DEBUG
1385 static int vidioc_g_register (struct file *file, void *fh,
1386                                 struct v4l2_register *reg)
1387 {
1388         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1389
1390         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1391                 return -EINVAL;
1392         /* cx2388x has a 24-bit register space */
1393         reg->val = cx_read(reg->reg&0xffffff);
1394         return 0;
1395 }
1396
1397 static int vidioc_s_register (struct file *file, void *fh,
1398                                 struct v4l2_register *reg)
1399 {
1400         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1401
1402         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1403                 return -EINVAL;
1404         cx_write(reg->reg&0xffffff, reg->val);
1405         return 0;
1406 }
1407 #endif
1408
1409 /* ----------------------------------------------------------- */
1410 /* RADIO ESPECIFIC IOCTLS                                      */
1411 /* ----------------------------------------------------------- */
1412
1413 static int radio_querycap (struct file *file, void  *priv,
1414                                         struct v4l2_capability *cap)
1415 {
1416         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1417         struct cx88_core  *core = dev->core;
1418
1419         strcpy(cap->driver, "cx8800");
1420         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1421         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1422         cap->version = CX88_VERSION_CODE;
1423         cap->capabilities = V4L2_CAP_TUNER;
1424         return 0;
1425 }
1426
1427 static int radio_g_tuner (struct file *file, void *priv,
1428                                 struct v4l2_tuner *t)
1429 {
1430         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1431
1432         if (unlikely(t->index > 0))
1433                 return -EINVAL;
1434
1435         strcpy(t->name, "Radio");
1436         t->type = V4L2_TUNER_RADIO;
1437
1438         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1439         return 0;
1440 }
1441
1442 static int radio_enum_input (struct file *file, void *priv,
1443                                 struct v4l2_input *i)
1444 {
1445         if (i->index != 0)
1446                 return -EINVAL;
1447         strcpy(i->name,"Radio");
1448         i->type = V4L2_INPUT_TYPE_TUNER;
1449
1450         return 0;
1451 }
1452
1453 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1454 {
1455         if (unlikely(a->index))
1456                 return -EINVAL;
1457
1458         memset(a,0,sizeof(*a));
1459         strcpy(a->name,"Radio");
1460         return 0;
1461 }
1462
1463 /* FIXME: Should add a standard for radio */
1464
1465 static int radio_s_tuner (struct file *file, void *priv,
1466                                 struct v4l2_tuner *t)
1467 {
1468         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1469
1470         if (0 != t->index)
1471                 return -EINVAL;
1472
1473         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1474
1475         return 0;
1476 }
1477
1478 static int radio_s_audio (struct file *file, void *fh,
1479                           struct v4l2_audio *a)
1480 {
1481         return 0;
1482 }
1483
1484 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1485 {
1486         return 0;
1487 }
1488
1489 static int radio_queryctrl (struct file *file, void *priv,
1490                             struct v4l2_queryctrl *c)
1491 {
1492         int i;
1493
1494         if (c->id <  V4L2_CID_BASE ||
1495                 c->id >= V4L2_CID_LASTP1)
1496                 return -EINVAL;
1497         if (c->id == V4L2_CID_AUDIO_MUTE) {
1498                 for (i = 0; i < CX8800_CTLS; i++)
1499                         if (cx8800_ctls[i].v.id == c->id)
1500                                 break;
1501                 *c = cx8800_ctls[i].v;
1502         } else
1503                 *c = no_ctl;
1504         return 0;
1505 }
1506
1507 /* ----------------------------------------------------------- */
1508
1509 static void cx8800_vid_timeout(unsigned long data)
1510 {
1511         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1512         struct cx88_core *core = dev->core;
1513         struct cx88_dmaqueue *q = &dev->vidq;
1514         struct cx88_buffer *buf;
1515         unsigned long flags;
1516
1517         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1518
1519         cx_clear(MO_VID_DMACNTRL, 0x11);
1520         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1521
1522         spin_lock_irqsave(&dev->slock,flags);
1523         while (!list_empty(&q->active)) {
1524                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1525                 list_del(&buf->vb.queue);
1526                 buf->vb.state = STATE_ERROR;
1527                 wake_up(&buf->vb.done);
1528                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1529                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1530         }
1531         restart_video_queue(dev,q);
1532         spin_unlock_irqrestore(&dev->slock,flags);
1533 }
1534
1535 static char *cx88_vid_irqs[32] = {
1536         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1537         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1538         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1539         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1540         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1541 };
1542
1543 static void cx8800_vid_irq(struct cx8800_dev *dev)
1544 {
1545         struct cx88_core *core = dev->core;
1546         u32 status, mask, count;
1547
1548         status = cx_read(MO_VID_INTSTAT);
1549         mask   = cx_read(MO_VID_INTMSK);
1550         if (0 == (status & mask))
1551                 return;
1552         cx_write(MO_VID_INTSTAT, status);
1553         if (irq_debug  ||  (status & mask & ~0xff))
1554                 cx88_print_irqbits(core->name, "irq vid",
1555                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1556                                    status, mask);
1557
1558         /* risc op code error */
1559         if (status & (1 << 16)) {
1560                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1561                 cx_clear(MO_VID_DMACNTRL, 0x11);
1562                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1563                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1564         }
1565
1566         /* risc1 y */
1567         if (status & 0x01) {
1568                 spin_lock(&dev->slock);
1569                 count = cx_read(MO_VIDY_GPCNT);
1570                 cx88_wakeup(core, &dev->vidq, count);
1571                 spin_unlock(&dev->slock);
1572         }
1573
1574         /* risc1 vbi */
1575         if (status & 0x08) {
1576                 spin_lock(&dev->slock);
1577                 count = cx_read(MO_VBI_GPCNT);
1578                 cx88_wakeup(core, &dev->vbiq, count);
1579                 spin_unlock(&dev->slock);
1580         }
1581
1582         /* risc2 y */
1583         if (status & 0x10) {
1584                 dprintk(2,"stopper video\n");
1585                 spin_lock(&dev->slock);
1586                 restart_video_queue(dev,&dev->vidq);
1587                 spin_unlock(&dev->slock);
1588         }
1589
1590         /* risc2 vbi */
1591         if (status & 0x80) {
1592                 dprintk(2,"stopper vbi\n");
1593                 spin_lock(&dev->slock);
1594                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1595                 spin_unlock(&dev->slock);
1596         }
1597 }
1598
1599 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1600 {
1601         struct cx8800_dev *dev = dev_id;
1602         struct cx88_core *core = dev->core;
1603         u32 status;
1604         int loop, handled = 0;
1605
1606         for (loop = 0; loop < 10; loop++) {
1607                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1608                 if (0 == status)
1609                         goto out;
1610                 cx_write(MO_PCI_INTSTAT, status);
1611                 handled = 1;
1612
1613                 if (status & core->pci_irqmask)
1614                         cx88_core_irq(core,status);
1615                 if (status & 0x01)
1616                         cx8800_vid_irq(dev);
1617         };
1618         if (10 == loop) {
1619                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1620                        core->name);
1621                 cx_write(MO_PCI_INTMSK,0);
1622         }
1623
1624  out:
1625         return IRQ_RETVAL(handled);
1626 }
1627
1628 /* ----------------------------------------------------------- */
1629 /* exported stuff                                              */
1630
1631 static const struct file_operations video_fops =
1632 {
1633         .owner         = THIS_MODULE,
1634         .open          = video_open,
1635         .release       = video_release,
1636         .read          = video_read,
1637         .poll          = video_poll,
1638         .mmap          = video_mmap,
1639         .ioctl         = video_ioctl2,
1640         .compat_ioctl  = v4l_compat_ioctl32,
1641         .llseek        = no_llseek,
1642 };
1643
1644 static struct video_device cx8800_vbi_template;
1645 static struct video_device cx8800_video_template =
1646 {
1647         .name                 = "cx8800-video",
1648         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1649         .fops                 = &video_fops,
1650         .minor                = -1,
1651         .vidioc_querycap      = vidioc_querycap,
1652         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1653         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1654         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1655         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1656         .vidioc_g_fmt_vbi     = cx8800_vbi_fmt,
1657         .vidioc_try_fmt_vbi   = cx8800_vbi_fmt,
1658         .vidioc_s_fmt_vbi     = cx8800_vbi_fmt,
1659         .vidioc_reqbufs       = vidioc_reqbufs,
1660         .vidioc_querybuf      = vidioc_querybuf,
1661         .vidioc_qbuf          = vidioc_qbuf,
1662         .vidioc_dqbuf         = vidioc_dqbuf,
1663         .vidioc_s_std         = vidioc_s_std,
1664         .vidioc_enum_input    = vidioc_enum_input,
1665         .vidioc_g_input       = vidioc_g_input,
1666         .vidioc_s_input       = vidioc_s_input,
1667         .vidioc_queryctrl     = vidioc_queryctrl,
1668         .vidioc_g_ctrl        = vidioc_g_ctrl,
1669         .vidioc_s_ctrl        = vidioc_s_ctrl,
1670         .vidioc_streamon      = vidioc_streamon,
1671         .vidioc_streamoff     = vidioc_streamoff,
1672 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1673         .vidiocgmbuf          = vidiocgmbuf,
1674 #endif
1675         .vidioc_g_tuner       = vidioc_g_tuner,
1676         .vidioc_s_tuner       = vidioc_s_tuner,
1677         .vidioc_g_frequency   = vidioc_g_frequency,
1678         .vidioc_s_frequency   = vidioc_s_frequency,
1679 #ifdef CONFIG_VIDEO_ADV_DEBUG
1680         .vidioc_g_register    = vidioc_g_register,
1681         .vidioc_s_register    = vidioc_s_register,
1682 #endif
1683         .tvnorms              = CX88_NORMS,
1684         .current_norm         = V4L2_STD_NTSC_M,
1685 };
1686
1687 static const struct file_operations radio_fops =
1688 {
1689         .owner         = THIS_MODULE,
1690         .open          = video_open,
1691         .release       = video_release,
1692         .ioctl         = video_ioctl2,
1693         .compat_ioctl  = v4l_compat_ioctl32,
1694         .llseek        = no_llseek,
1695 };
1696
1697 static struct video_device cx8800_radio_template =
1698 {
1699         .name                 = "cx8800-radio",
1700         .type                 = VID_TYPE_TUNER,
1701         .hardware             = 0,
1702         .fops                 = &radio_fops,
1703         .minor                = -1,
1704         .vidioc_querycap      = radio_querycap,
1705         .vidioc_g_tuner       = radio_g_tuner,
1706         .vidioc_enum_input    = radio_enum_input,
1707         .vidioc_g_audio       = radio_g_audio,
1708         .vidioc_s_tuner       = radio_s_tuner,
1709         .vidioc_s_audio       = radio_s_audio,
1710         .vidioc_s_input       = radio_s_input,
1711         .vidioc_queryctrl     = radio_queryctrl,
1712         .vidioc_g_ctrl        = vidioc_g_ctrl,
1713         .vidioc_s_ctrl        = vidioc_s_ctrl,
1714         .vidioc_g_frequency   = vidioc_g_frequency,
1715         .vidioc_s_frequency   = vidioc_s_frequency,
1716 #ifdef CONFIG_VIDEO_ADV_DEBUG
1717         .vidioc_g_register    = vidioc_g_register,
1718         .vidioc_s_register    = vidioc_s_register,
1719 #endif
1720 };
1721
1722 /* ----------------------------------------------------------- */
1723
1724 static void cx8800_unregister_video(struct cx8800_dev *dev)
1725 {
1726         if (dev->radio_dev) {
1727                 if (-1 != dev->radio_dev->minor)
1728                         video_unregister_device(dev->radio_dev);
1729                 else
1730                         video_device_release(dev->radio_dev);
1731                 dev->radio_dev = NULL;
1732         }
1733         if (dev->vbi_dev) {
1734                 if (-1 != dev->vbi_dev->minor)
1735                         video_unregister_device(dev->vbi_dev);
1736                 else
1737                         video_device_release(dev->vbi_dev);
1738                 dev->vbi_dev = NULL;
1739         }
1740         if (dev->video_dev) {
1741                 if (-1 != dev->video_dev->minor)
1742                         video_unregister_device(dev->video_dev);
1743                 else
1744                         video_device_release(dev->video_dev);
1745                 dev->video_dev = NULL;
1746         }
1747 }
1748
1749 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1750                                     const struct pci_device_id *pci_id)
1751 {
1752         struct cx8800_dev *dev;
1753         struct cx88_core *core;
1754
1755         int err;
1756
1757         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1758         if (NULL == dev)
1759                 return -ENOMEM;
1760
1761         /* pci init */
1762         dev->pci = pci_dev;
1763         if (pci_enable_device(pci_dev)) {
1764                 err = -EIO;
1765                 goto fail_free;
1766         }
1767         core = cx88_core_get(dev->pci);
1768         if (NULL == core) {
1769                 err = -EINVAL;
1770                 goto fail_free;
1771         }
1772         dev->core = core;
1773
1774         /* print pci info */
1775         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1776         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1777         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1778                "latency: %d, mmio: 0x%llx\n", core->name,
1779                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1780                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1781
1782         pci_set_master(pci_dev);
1783         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1784                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1785                 err = -EIO;
1786                 goto fail_core;
1787         }
1788
1789         /* Initialize VBI template */
1790         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1791                 sizeof(cx8800_vbi_template) );
1792         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1793         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1794
1795         /* initialize driver struct */
1796         spin_lock_init(&dev->slock);
1797         core->tvnorm = cx8800_video_template.current_norm;
1798
1799         /* init video dma queues */
1800         INIT_LIST_HEAD(&dev->vidq.active);
1801         INIT_LIST_HEAD(&dev->vidq.queued);
1802         dev->vidq.timeout.function = cx8800_vid_timeout;
1803         dev->vidq.timeout.data     = (unsigned long)dev;
1804         init_timer(&dev->vidq.timeout);
1805         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1806                           MO_VID_DMACNTRL,0x11,0x00);
1807
1808         /* init vbi dma queues */
1809         INIT_LIST_HEAD(&dev->vbiq.active);
1810         INIT_LIST_HEAD(&dev->vbiq.queued);
1811         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1812         dev->vbiq.timeout.data     = (unsigned long)dev;
1813         init_timer(&dev->vbiq.timeout);
1814         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1815                           MO_VID_DMACNTRL,0x88,0x00);
1816
1817         /* get irq */
1818         err = request_irq(pci_dev->irq, cx8800_irq,
1819                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1820         if (err < 0) {
1821                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1822                        core->name,pci_dev->irq);
1823                 goto fail_core;
1824         }
1825         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1826
1827         /* load and configure helper modules */
1828         if (TUNER_ABSENT != core->board.tuner_type)
1829                 request_module("tuner");
1830
1831         if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1832                 request_module("wm8775");
1833
1834         /* register v4l devices */
1835         dev->video_dev = cx88_vdev_init(core,dev->pci,
1836                                         &cx8800_video_template,"video");
1837         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1838                                     video_nr[core->nr]);
1839         if (err < 0) {
1840                 printk(KERN_INFO "%s: can't register video device\n",
1841                        core->name);
1842                 goto fail_unreg;
1843         }
1844         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1845                core->name,dev->video_dev->minor & 0x1f);
1846
1847         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1848         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1849                                     vbi_nr[core->nr]);
1850         if (err < 0) {
1851                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1852                        core->name);
1853                 goto fail_unreg;
1854         }
1855         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1856                core->name,dev->vbi_dev->minor & 0x1f);
1857
1858         if (core->board.radio.type == CX88_RADIO) {
1859                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1860                                                 &cx8800_radio_template,"radio");
1861                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1862                                             radio_nr[core->nr]);
1863                 if (err < 0) {
1864                         printk(KERN_INFO "%s/0: can't register radio device\n",
1865                                core->name);
1866                         goto fail_unreg;
1867                 }
1868                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1869                        core->name,dev->radio_dev->minor & 0x1f);
1870         }
1871
1872         /* everything worked */
1873         list_add_tail(&dev->devlist,&cx8800_devlist);
1874         pci_set_drvdata(pci_dev,dev);
1875
1876         /* initial device configuration */
1877         mutex_lock(&core->lock);
1878         cx88_set_tvnorm(core,core->tvnorm);
1879         init_controls(core);
1880         cx88_video_mux(core,0);
1881         mutex_unlock(&core->lock);
1882
1883         /* start tvaudio thread */
1884         if (core->board.tuner_type != TUNER_ABSENT) {
1885                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1886                 if (IS_ERR(core->kthread)) {
1887                         err = PTR_ERR(core->kthread);
1888                         printk(KERN_ERR "Failed to create cx88 audio thread, err=%d\n",
1889                                err);
1890                 }
1891         }
1892         return 0;
1893
1894 fail_unreg:
1895         cx8800_unregister_video(dev);
1896         free_irq(pci_dev->irq, dev);
1897 fail_core:
1898         cx88_core_put(core,dev->pci);
1899 fail_free:
1900         kfree(dev);
1901         return err;
1902 }
1903
1904 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1905 {
1906         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1907         struct cx88_core *core = dev->core;
1908
1909         /* stop thread */
1910         if (core->kthread) {
1911                 kthread_stop(core->kthread);
1912                 core->kthread = NULL;
1913         }
1914
1915         cx88_shutdown(core); /* FIXME */
1916         pci_disable_device(pci_dev);
1917
1918         /* unregister stuff */
1919
1920         free_irq(pci_dev->irq, dev);
1921         cx8800_unregister_video(dev);
1922         pci_set_drvdata(pci_dev, NULL);
1923
1924         /* free memory */
1925         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1926         list_del(&dev->devlist);
1927         cx88_core_put(core,dev->pci);
1928         kfree(dev);
1929 }
1930
1931 #ifdef CONFIG_PM
1932 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1933 {
1934         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1935         struct cx88_core *core = dev->core;
1936
1937         /* stop video+vbi capture */
1938         spin_lock(&dev->slock);
1939         if (!list_empty(&dev->vidq.active)) {
1940                 printk("%s: suspend video\n", core->name);
1941                 stop_video_dma(dev);
1942                 del_timer(&dev->vidq.timeout);
1943         }
1944         if (!list_empty(&dev->vbiq.active)) {
1945                 printk("%s: suspend vbi\n", core->name);
1946                 cx8800_stop_vbi_dma(dev);
1947                 del_timer(&dev->vbiq.timeout);
1948         }
1949         spin_unlock(&dev->slock);
1950
1951         /* FIXME -- shutdown device */
1952         cx88_shutdown(core);
1953
1954         pci_save_state(pci_dev);
1955         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1956                 pci_disable_device(pci_dev);
1957                 dev->state.disabled = 1;
1958         }
1959         return 0;
1960 }
1961
1962 static int cx8800_resume(struct pci_dev *pci_dev)
1963 {
1964         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1965         struct cx88_core *core = dev->core;
1966         int err;
1967
1968         if (dev->state.disabled) {
1969                 err=pci_enable_device(pci_dev);
1970                 if (err) {
1971                         printk(KERN_ERR "%s: can't enable device\n",
1972                                                        core->name);
1973                         return err;
1974                 }
1975
1976                 dev->state.disabled = 0;
1977         }
1978         err= pci_set_power_state(pci_dev, PCI_D0);
1979         if (err) {
1980                 printk(KERN_ERR "%s: can't enable device\n",
1981                                        core->name);
1982
1983                 pci_disable_device(pci_dev);
1984                 dev->state.disabled = 1;
1985
1986                 return err;
1987         }
1988         pci_restore_state(pci_dev);
1989
1990         /* FIXME: re-initialize hardware */
1991         cx88_reset(core);
1992
1993         /* restart video+vbi capture */
1994         spin_lock(&dev->slock);
1995         if (!list_empty(&dev->vidq.active)) {
1996                 printk("%s: resume video\n", core->name);
1997                 restart_video_queue(dev,&dev->vidq);
1998         }
1999         if (!list_empty(&dev->vbiq.active)) {
2000                 printk("%s: resume vbi\n", core->name);
2001                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2002         }
2003         spin_unlock(&dev->slock);
2004
2005         return 0;
2006 }
2007 #endif
2008
2009 /* ----------------------------------------------------------- */
2010
2011 static struct pci_device_id cx8800_pci_tbl[] = {
2012         {
2013                 .vendor       = 0x14f1,
2014                 .device       = 0x8800,
2015                 .subvendor    = PCI_ANY_ID,
2016                 .subdevice    = PCI_ANY_ID,
2017         },{
2018                 /* --- end of list --- */
2019         }
2020 };
2021 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2022
2023 static struct pci_driver cx8800_pci_driver = {
2024         .name     = "cx8800",
2025         .id_table = cx8800_pci_tbl,
2026         .probe    = cx8800_initdev,
2027         .remove   = __devexit_p(cx8800_finidev),
2028 #ifdef CONFIG_PM
2029         .suspend  = cx8800_suspend,
2030         .resume   = cx8800_resume,
2031 #endif
2032 };
2033
2034 static int cx8800_init(void)
2035 {
2036         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2037                (CX88_VERSION_CODE >> 16) & 0xff,
2038                (CX88_VERSION_CODE >>  8) & 0xff,
2039                CX88_VERSION_CODE & 0xff);
2040 #ifdef SNAPSHOT
2041         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2042                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2043 #endif
2044         return pci_register_driver(&cx8800_pci_driver);
2045 }
2046
2047 static void cx8800_fini(void)
2048 {
2049         pci_unregister_driver(&cx8800_pci_driver);
2050 }
2051
2052 module_init(cx8800_init);
2053 module_exit(cx8800_fini);
2054
2055 /* ----------------------------------------------------------- */
2056 /*
2057  * Local variables:
2058  * c-basic-offset: 8
2059  * End:
2060  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
2061  */