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

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/dma-mapping.h>
  36 #include <linux/delay.h>
  37 #include <linux/kthread.h>
  38 #include <asm/div64.h>
  39
  40 #include "cx88.h"
  41 #include <media/v4l2-common.h>
  42 #include <media/v4l2-ioctl.h>
  43
  44 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  45 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  46 MODULE_LICENSE("GPL");
  47
  48 /* ------------------------------------------------------------------ */
  49
  50 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  51 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53
  54 module_param_array(video_nr, int, NULL, 0444);
  55 module_param_array(vbi_nr,   int, NULL, 0444);
  56 module_param_array(radio_nr, int, NULL, 0444);
  57
  58 MODULE_PARM_DESC(video_nr,"video device numbers");
  59 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  60 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  61
  62 static unsigned int video_debug;
  63 module_param(video_debug,int,0644);
  64 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  65
  66 static unsigned int irq_debug;
  67 module_param(irq_debug,int,0644);
  68 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  69
  70 static unsigned int vid_limit = 16;
  71 module_param(vid_limit,int,0644);
  72 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  73
  74 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  75         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  76
  77 /* ------------------------------------------------------------------ */
  78
  79 static LIST_HEAD(cx8800_devlist);
  80
  81 /* ------------------------------------------------------------------- */
  82 /* static data                                                         */
  83
  84 static struct cx8800_fmt formats[] = {
  85         {
  86                 .name     = "8 bpp, gray",
  87                 .fourcc   = V4L2_PIX_FMT_GREY,
  88                 .cxformat = ColorFormatY8,
  89                 .depth    = 8,
  90                 .flags    = FORMAT_FLAGS_PACKED,
  91         },{
  92                 .name     = "15 bpp RGB, le",
  93                 .fourcc   = V4L2_PIX_FMT_RGB555,
  94                 .cxformat = ColorFormatRGB15,
  95                 .depth    = 16,
  96                 .flags    = FORMAT_FLAGS_PACKED,
  97         },{
  98                 .name     = "15 bpp RGB, be",
  99                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 100                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 101                 .depth    = 16,
 102                 .flags    = FORMAT_FLAGS_PACKED,
 103         },{
 104                 .name     = "16 bpp RGB, le",
 105                 .fourcc   = V4L2_PIX_FMT_RGB565,
 106                 .cxformat = ColorFormatRGB16,
 107                 .depth    = 16,
 108                 .flags    = FORMAT_FLAGS_PACKED,
 109         },{
 110                 .name     = "16 bpp RGB, be",
 111                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 112                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 113                 .depth    = 16,
 114                 .flags    = FORMAT_FLAGS_PACKED,
 115         },{
 116                 .name     = "24 bpp RGB, le",
 117                 .fourcc   = V4L2_PIX_FMT_BGR24,
 118                 .cxformat = ColorFormatRGB24,
 119                 .depth    = 24,
 120                 .flags    = FORMAT_FLAGS_PACKED,
 121         },{
 122                 .name     = "32 bpp RGB, le",
 123                 .fourcc   = V4L2_PIX_FMT_BGR32,
 124                 .cxformat = ColorFormatRGB32,
 125                 .depth    = 32,
 126                 .flags    = FORMAT_FLAGS_PACKED,
 127         },{
 128                 .name     = "32 bpp RGB, be",
 129                 .fourcc   = V4L2_PIX_FMT_RGB32,
 130                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 131                 .depth    = 32,
 132                 .flags    = FORMAT_FLAGS_PACKED,
 133         },{
 134                 .name     = "4:2:2, packed, YUYV",
 135                 .fourcc   = V4L2_PIX_FMT_YUYV,
 136                 .cxformat = ColorFormatYUY2,
 137                 .depth    = 16,
 138                 .flags    = FORMAT_FLAGS_PACKED,
 139         },{
 140                 .name     = "4:2:2, packed, UYVY",
 141                 .fourcc   = V4L2_PIX_FMT_UYVY,
 142                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 143                 .depth    = 16,
 144                 .flags    = FORMAT_FLAGS_PACKED,
 145         },
 146 };
 147
 148 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 149 {
 150         unsigned int i;
 151
 152         for (i = 0; i < ARRAY_SIZE(formats); i++)
 153                 if (formats[i].fourcc == fourcc)
 154                         return formats+i;
 155         return NULL;
 156 }
 157
 158 /* ------------------------------------------------------------------- */
 159
 160 static const struct v4l2_queryctrl no_ctl = {
 161         .name  = "42",
 162         .flags = V4L2_CTRL_FLAG_DISABLED,
 163 };
 164
 165 static struct cx88_ctrl cx8800_ctls[] = {
 166         /* --- video --- */
 167         {
 168                 .v = {
 169                         .id            = V4L2_CID_BRIGHTNESS,
 170                         .name          = "Brightness",
 171                         .minimum       = 0x00,
 172                         .maximum       = 0xff,
 173                         .step          = 1,
 174                         .default_value = 0x7f,
 175                         .type          = V4L2_CTRL_TYPE_INTEGER,
 176                 },
 177                 .off                   = 128,
 178                 .reg                   = MO_CONTR_BRIGHT,
 179                 .mask                  = 0x00ff,
 180                 .shift                 = 0,
 181         },{
 182                 .v = {
 183                         .id            = V4L2_CID_CONTRAST,
 184                         .name          = "Contrast",
 185                         .minimum       = 0,
 186                         .maximum       = 0xff,
 187                         .step          = 1,
 188                         .default_value = 0x3f,
 189                         .type          = V4L2_CTRL_TYPE_INTEGER,
 190                 },
 191                 .off                   = 0,
 192                 .reg                   = MO_CONTR_BRIGHT,
 193                 .mask                  = 0xff00,
 194                 .shift                 = 8,
 195         },{
 196                 .v = {
 197                         .id            = V4L2_CID_HUE,
 198                         .name          = "Hue",
 199                         .minimum       = 0,
 200                         .maximum       = 0xff,
 201                         .step          = 1,
 202                         .default_value = 0x7f,
 203                         .type          = V4L2_CTRL_TYPE_INTEGER,
 204                 },
 205                 .off                   = 128,
 206                 .reg                   = MO_HUE,
 207                 .mask                  = 0x00ff,
 208                 .shift                 = 0,
 209         },{
 210                 /* strictly, this only describes only U saturation.
 211                  * V saturation is handled specially through code.
 212                  */
 213                 .v = {
 214                         .id            = V4L2_CID_SATURATION,
 215                         .name          = "Saturation",
 216                         .minimum       = 0,
 217                         .maximum       = 0xff,
 218                         .step          = 1,
 219                         .default_value = 0x7f,
 220                         .type          = V4L2_CTRL_TYPE_INTEGER,
 221                 },
 222                 .off                   = 0,
 223                 .reg                   = MO_UV_SATURATION,
 224                 .mask                  = 0x00ff,
 225                 .shift                 = 0,
 226         },{
 227                 .v = {
 228                         .id            = V4L2_CID_CHROMA_AGC,
 229                         .name          = "Chroma AGC",
 230                         .minimum       = 0,
 231                         .maximum       = 1,
 232                         .default_value = 0x1,
 233                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 234                 },
 235                 .reg                   = MO_INPUT_FORMAT,
 236                 .mask                  = 1 << 10,
 237                 .shift                 = 10,
 238         }, {
 239                 .v = {
 240                         .id            = V4L2_CID_COLOR_KILLER,
 241                         .name          = "Color killer",
 242                         .minimum       = 0,
 243                         .maximum       = 1,
 244                         .default_value = 0x1,
 245                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 246                 },
 247                 .reg                   = MO_INPUT_FORMAT,
 248                 .mask                  = 1 << 9,
 249                 .shift                 = 9,
 250         }, {
 251         /* --- audio --- */
 252                 .v = {
 253                         .id            = V4L2_CID_AUDIO_MUTE,
 254                         .name          = "Mute",
 255                         .minimum       = 0,
 256                         .maximum       = 1,
 257                         .default_value = 1,
 258                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 259                 },
 260                 .reg                   = AUD_VOL_CTL,
 261                 .sreg                  = SHADOW_AUD_VOL_CTL,
 262                 .mask                  = (1 << 6),
 263                 .shift                 = 6,
 264         },{
 265                 .v = {
 266                         .id            = V4L2_CID_AUDIO_VOLUME,
 267                         .name          = "Volume",
 268                         .minimum       = 0,
 269                         .maximum       = 0x3f,
 270                         .step          = 1,
 271                         .default_value = 0x3f,
 272                         .type          = V4L2_CTRL_TYPE_INTEGER,
 273                 },
 274                 .reg                   = AUD_VOL_CTL,
 275                 .sreg                  = SHADOW_AUD_VOL_CTL,
 276                 .mask                  = 0x3f,
 277                 .shift                 = 0,
 278         },{
 279                 .v = {
 280                         .id            = V4L2_CID_AUDIO_BALANCE,
 281                         .name          = "Balance",
 282                         .minimum       = 0,
 283                         .maximum       = 0x7f,
 284                         .step          = 1,
 285                         .default_value = 0x40,
 286                         .type          = V4L2_CTRL_TYPE_INTEGER,
 287                 },
 288                 .reg                   = AUD_BAL_CTL,
 289                 .sreg                  = SHADOW_AUD_BAL_CTL,
 290                 .mask                  = 0x7f,
 291                 .shift                 = 0,
 292         }
 293 };
 294 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 295
 296 /* Must be sorted from low to high control ID! */
 297 const u32 cx88_user_ctrls[] = {
 298         V4L2_CID_USER_CLASS,
 299         V4L2_CID_BRIGHTNESS,
 300         V4L2_CID_CONTRAST,
 301         V4L2_CID_SATURATION,
 302         V4L2_CID_HUE,
 303         V4L2_CID_AUDIO_VOLUME,
 304         V4L2_CID_AUDIO_BALANCE,
 305         V4L2_CID_AUDIO_MUTE,
 306         V4L2_CID_CHROMA_AGC,
 307         V4L2_CID_COLOR_KILLER,
 308         0
 309 };
 310 EXPORT_SYMBOL(cx88_user_ctrls);
 311
 312 static const u32 *ctrl_classes[] = {
 313         cx88_user_ctrls,
 314         NULL
 315 };
 316
 317 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 318 {
 319         int i;
 320
 321         if (qctrl->id < V4L2_CID_BASE ||
 322             qctrl->id >= V4L2_CID_LASTP1)
 323                 return -EINVAL;
 324         for (i = 0; i < CX8800_CTLS; i++)
 325                 if (cx8800_ctls[i].v.id == qctrl->id)
 326                         break;
 327         if (i == CX8800_CTLS) {
 328                 *qctrl = no_ctl;
 329                 return 0;
 330         }
 331         *qctrl = cx8800_ctls[i].v;
 332         /* Report chroma AGC as inactive when SECAM is selected */
 333         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 334             core->tvnorm & V4L2_STD_SECAM)
 335                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 336
 337         return 0;
 338 }
 339 EXPORT_SYMBOL(cx8800_ctrl_query);
 340
 341 /* ------------------------------------------------------------------- */
 342 /* resource management                                                 */
 343
 344 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 345 {
 346         struct cx88_core *core = dev->core;
 347         if (fh->resources & bit)
 348                 /* have it already allocated */
 349                 return 1;
 350
 351         /* is it free? */
 352         mutex_lock(&core->lock);
 353         if (dev->resources & bit) {
 354                 /* no, someone else uses it */
 355                 mutex_unlock(&core->lock);
 356                 return 0;
 357         }
 358         /* it's free, grab it */
 359         fh->resources  |= bit;
 360         dev->resources |= bit;
 361         dprintk(1,"res: get %d\n",bit);
 362         mutex_unlock(&core->lock);
 363         return 1;
 364 }
 365
 366 static
 367 int res_check(struct cx8800_fh *fh, unsigned int bit)
 368 {
 369         return (fh->resources & bit);
 370 }
 371
 372 static
 373 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 374 {
 375         return (dev->resources & bit);
 376 }
 377
 378 static
 379 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 380 {
 381         struct cx88_core *core = dev->core;
 382         BUG_ON((fh->resources & bits) != bits);
 383
 384         mutex_lock(&core->lock);
 385         fh->resources  &= ~bits;
 386         dev->resources &= ~bits;
 387         dprintk(1,"res: put %d\n",bits);
 388         mutex_unlock(&core->lock);
 389 }
 390
 391 /* ------------------------------------------------------------------ */
 392
 393 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 394 {
 395         /* struct cx88_core *core = dev->core; */
 396
 397         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 398                 input, INPUT(input).vmux,
 399                 INPUT(input).gpio0,INPUT(input).gpio1,
 400                 INPUT(input).gpio2,INPUT(input).gpio3);
 401         core->input = input;
 402         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 403         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 404         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 405         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 406         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 407
 408         switch (INPUT(input).type) {
 409         case CX88_VMUX_SVIDEO:
 410                 cx_set(MO_AFECFG_IO,    0x00000001);
 411                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 412                 cx_set(MO_FILTER_EVEN,  0x00002020);
 413                 cx_set(MO_FILTER_ODD,   0x00002020);
 414                 break;
 415         default:
 416                 cx_clear(MO_AFECFG_IO,    0x00000001);
 417                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 418                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 419                 cx_clear(MO_FILTER_ODD,   0x00002020);
 420                 break;
 421         }
 422
 423         /* if there are audioroutes defined, we have an external
 424            ADC to deal with audio */
 425         if (INPUT(input).audioroute) {
 426                 /* The wm8775 module has the "2" route hardwired into
 427                    the initialization. Some boards may use different
 428                    routes for different inputs. HVR-1300 surely does */
 429                 if (core->board.audio_chip &&
 430                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 431                         struct v4l2_routing route;
 432
 433                         route.input = INPUT(input).audioroute;
 434                         call_all(core, audio, s_routing, &route);
 435                 }
 436                 /* cx2388's C-ADC is connected to the tuner only.
 437                    When used with S-Video, that ADC is busy dealing with
 438                    chroma, so an external must be used for baseband audio */
 439                 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
 440                         /* "I2S ADC mode" */
 441                         core->tvaudio = WW_I2SADC;
 442                         cx88_set_tvaudio(core);
 443                 } else {
 444                         /* Normal mode */
 445                         cx_write(AUD_I2SCNTL, 0x0);
 446                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 447                 }
 448         }
 449
 450         return 0;
 451 }
 452 EXPORT_SYMBOL(cx88_video_mux);
 453
 454 /* ------------------------------------------------------------------ */
 455
 456 static int start_video_dma(struct cx8800_dev    *dev,
 457                            struct cx88_dmaqueue *q,
 458                            struct cx88_buffer   *buf)
 459 {
 460         struct cx88_core *core = dev->core;
 461
 462         /* setup fifo + format */
 463         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 464                                 buf->bpl, buf->risc.dma);
 465         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 466         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 467
 468         /* reset counter */
 469         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 470         q->count = 1;
 471
 472         /* enable irqs */
 473         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 474
 475         /* Enables corresponding bits at PCI_INT_STAT:
 476                 bits 0 to 4: video, audio, transport stream, VIP, Host
 477                 bit 7: timer
 478                 bits 8 and 9: DMA complete for: SRC, DST
 479                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 480                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 481          */
 482         cx_set(MO_VID_INTMSK, 0x0f0011);
 483
 484         /* enable capture */
 485         cx_set(VID_CAPTURE_CONTROL,0x06);
 486
 487         /* start dma */
 488         cx_set(MO_DEV_CNTRL2, (1<<5));
 489         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 490
 491         return 0;
 492 }
 493
 494 #ifdef CONFIG_PM
 495 static int stop_video_dma(struct cx8800_dev    *dev)
 496 {
 497         struct cx88_core *core = dev->core;
 498
 499         /* stop dma */
 500         cx_clear(MO_VID_DMACNTRL, 0x11);
 501
 502         /* disable capture */
 503         cx_clear(VID_CAPTURE_CONTROL,0x06);
 504
 505         /* disable irqs */
 506         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 507         cx_clear(MO_VID_INTMSK, 0x0f0011);
 508         return 0;
 509 }
 510 #endif
 511
 512 static int restart_video_queue(struct cx8800_dev    *dev,
 513                                struct cx88_dmaqueue *q)
 514 {
 515         struct cx88_core *core = dev->core;
 516         struct cx88_buffer *buf, *prev;
 517
 518         if (!list_empty(&q->active)) {
 519                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 520                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 521                         buf, buf->vb.i);
 522                 start_video_dma(dev, q, buf);
 523                 list_for_each_entry(buf, &q->active, vb.queue)
 524                         buf->count = q->count++;
 525                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 526                 return 0;
 527         }
 528
 529         prev = NULL;
 530         for (;;) {
 531                 if (list_empty(&q->queued))
 532                         return 0;
 533                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 534                 if (NULL == prev) {
 535                         list_move_tail(&buf->vb.queue, &q->active);
 536                         start_video_dma(dev, q, buf);
 537                         buf->vb.state = VIDEOBUF_ACTIVE;
 538                         buf->count    = q->count++;
 539                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 540                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 541                                 buf,buf->vb.i);
 542
 543                 } else if (prev->vb.width  == buf->vb.width  &&
 544                            prev->vb.height == buf->vb.height &&
 545                            prev->fmt       == buf->fmt) {
 546                         list_move_tail(&buf->vb.queue, &q->active);
 547                         buf->vb.state = VIDEOBUF_ACTIVE;
 548                         buf->count    = q->count++;
 549                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 550                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 551                                 buf,buf->vb.i);
 552                 } else {
 553                         return 0;
 554                 }
 555                 prev = buf;
 556         }
 557 }
 558
 559 /* ------------------------------------------------------------------ */
 560
 561 static int
 562 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 563 {
 564         struct cx8800_fh *fh = q->priv_data;
 565
 566         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 567         if (0 == *count)
 568                 *count = 32;
 569         while (*size * *count > vid_limit * 1024 * 1024)
 570                 (*count)--;
 571         return 0;
 572 }
 573
 574 static int
 575 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 576                enum v4l2_field field)
 577 {
 578         struct cx8800_fh   *fh  = q->priv_data;
 579         struct cx8800_dev  *dev = fh->dev;
 580         struct cx88_core *core = dev->core;
 581         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 582         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 583         int rc, init_buffer = 0;
 584
 585         BUG_ON(NULL == fh->fmt);
 586         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 587             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 588                 return -EINVAL;
 589         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 590         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 591                 return -EINVAL;
 592
 593         if (buf->fmt       != fh->fmt    ||
 594             buf->vb.width  != fh->width  ||
 595             buf->vb.height != fh->height ||
 596             buf->vb.field  != field) {
 597                 buf->fmt       = fh->fmt;
 598                 buf->vb.width  = fh->width;
 599                 buf->vb.height = fh->height;
 600                 buf->vb.field  = field;
 601                 init_buffer = 1;
 602         }
 603
 604         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 605                 init_buffer = 1;
 606                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 607                         goto fail;
 608         }
 609
 610         if (init_buffer) {
 611                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 612                 switch (buf->vb.field) {
 613                 case V4L2_FIELD_TOP:
 614                         cx88_risc_buffer(dev->pci, &buf->risc,
 615                                          dma->sglist, 0, UNSET,
 616                                          buf->bpl, 0, buf->vb.height);
 617                         break;
 618                 case V4L2_FIELD_BOTTOM:
 619                         cx88_risc_buffer(dev->pci, &buf->risc,
 620                                          dma->sglist, UNSET, 0,
 621                                          buf->bpl, 0, buf->vb.height);
 622                         break;
 623                 case V4L2_FIELD_INTERLACED:
 624                         cx88_risc_buffer(dev->pci, &buf->risc,
 625                                          dma->sglist, 0, buf->bpl,
 626                                          buf->bpl, buf->bpl,
 627                                          buf->vb.height >> 1);
 628                         break;
 629                 case V4L2_FIELD_SEQ_TB:
 630                         cx88_risc_buffer(dev->pci, &buf->risc,
 631                                          dma->sglist,
 632                                          0, buf->bpl * (buf->vb.height >> 1),
 633                                          buf->bpl, 0,
 634                                          buf->vb.height >> 1);
 635                         break;
 636                 case V4L2_FIELD_SEQ_BT:
 637                         cx88_risc_buffer(dev->pci, &buf->risc,
 638                                          dma->sglist,
 639                                          buf->bpl * (buf->vb.height >> 1), 0,
 640                                          buf->bpl, 0,
 641                                          buf->vb.height >> 1);
 642                         break;
 643                 default:
 644                         BUG();
 645                 }
 646         }
 647         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 648                 buf, buf->vb.i,
 649                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 650                 (unsigned long)buf->risc.dma);
 651
 652         buf->vb.state = VIDEOBUF_PREPARED;
 653         return 0;
 654
 655  fail:
 656         cx88_free_buffer(q,buf);
 657         return rc;
 658 }
 659
 660 static void
 661 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 662 {
 663         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 664         struct cx88_buffer    *prev;
 665         struct cx8800_fh      *fh   = vq->priv_data;
 666         struct cx8800_dev     *dev  = fh->dev;
 667         struct cx88_core      *core = dev->core;
 668         struct cx88_dmaqueue  *q    = &dev->vidq;
 669
 670         /* add jump to stopper */
 671         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 672         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 673
 674         if (!list_empty(&q->queued)) {
 675                 list_add_tail(&buf->vb.queue,&q->queued);
 676                 buf->vb.state = VIDEOBUF_QUEUED;
 677                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 678                         buf, buf->vb.i);
 679
 680         } else if (list_empty(&q->active)) {
 681                 list_add_tail(&buf->vb.queue,&q->active);
 682                 start_video_dma(dev, q, buf);
 683                 buf->vb.state = VIDEOBUF_ACTIVE;
 684                 buf->count    = q->count++;
 685                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 686                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 687                         buf, buf->vb.i);
 688
 689         } else {
 690                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 691                 if (prev->vb.width  == buf->vb.width  &&
 692                     prev->vb.height == buf->vb.height &&
 693                     prev->fmt       == buf->fmt) {
 694                         list_add_tail(&buf->vb.queue,&q->active);
 695                         buf->vb.state = VIDEOBUF_ACTIVE;
 696                         buf->count    = q->count++;
 697                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 698                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 699                                 buf, buf->vb.i);
 700
 701                 } else {
 702                         list_add_tail(&buf->vb.queue,&q->queued);
 703                         buf->vb.state = VIDEOBUF_QUEUED;
 704                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 705                                 buf, buf->vb.i);
 706                 }
 707         }
 708 }
 709
 710 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 711 {
 712         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 713
 714         cx88_free_buffer(q,buf);
 715 }
 716
 717 static struct videobuf_queue_ops cx8800_video_qops = {
 718         .buf_setup    = buffer_setup,
 719         .buf_prepare  = buffer_prepare,
 720         .buf_queue    = buffer_queue,
 721         .buf_release  = buffer_release,
 722 };
 723
 724 /* ------------------------------------------------------------------ */
 725
 726
 727 /* ------------------------------------------------------------------ */
 728
 729 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 730 {
 731         switch (fh->type) {
 732         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 733                 return &fh->vidq;
 734         case V4L2_BUF_TYPE_VBI_CAPTURE:
 735                 return &fh->vbiq;
 736         default:
 737                 BUG();
 738                 return NULL;
 739         }
 740 }
 741
 742 static int get_ressource(struct cx8800_fh *fh)
 743 {
 744         switch (fh->type) {
 745         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 746                 return RESOURCE_VIDEO;
 747         case V4L2_BUF_TYPE_VBI_CAPTURE:
 748                 return RESOURCE_VBI;
 749         default:
 750                 BUG();
 751                 return 0;
 752         }
 753 }
 754
 755 static int video_open(struct file *file)
 756 {
 757         int minor = video_devdata(file)->minor;
 758         struct cx8800_dev *h,*dev = NULL;
 759         struct cx88_core *core;
 760         struct cx8800_fh *fh;
 761         enum v4l2_buf_type type = 0;
 762         int radio = 0;
 763
 764         lock_kernel();
 765         list_for_each_entry(h, &cx8800_devlist, devlist) {
 766                 if (h->video_dev->minor == minor) {
 767                         dev  = h;
 768                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 769                 }
 770                 if (h->vbi_dev->minor == minor) {
 771                         dev  = h;
 772                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 773                 }
 774                 if (h->radio_dev &&
 775                     h->radio_dev->minor == minor) {
 776                         radio = 1;
 777                         dev   = h;
 778                 }
 779         }
 780         if (NULL == dev) {
 781                 unlock_kernel();
 782                 return -ENODEV;
 783         }
 784
 785         core = dev->core;
 786
 787         dprintk(1,"open minor=%d radio=%d type=%s\n",
 788                 minor,radio,v4l2_type_names[type]);
 789
 790         /* allocate + initialize per filehandle data */
 791         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 792         if (NULL == fh) {
 793                 unlock_kernel();
 794                 return -ENOMEM;
 795         }
 796         file->private_data = fh;
 797         fh->dev      = dev;
 798         fh->radio    = radio;
 799         fh->type     = type;
 800         fh->width    = 320;
 801         fh->height   = 240;
 802         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 803
 804         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 805                             &dev->pci->dev, &dev->slock,
 806                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 807                             V4L2_FIELD_INTERLACED,
 808                             sizeof(struct cx88_buffer),
 809                             fh);
 810         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 811                             &dev->pci->dev, &dev->slock,
 812                             V4L2_BUF_TYPE_VBI_CAPTURE,
 813                             V4L2_FIELD_SEQ_TB,
 814                             sizeof(struct cx88_buffer),
 815                             fh);
 816
 817         if (fh->radio) {
 818                 dprintk(1,"video_open: setting radio device\n");
 819                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 820                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 821                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 822                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 823                 if (core->board.radio.audioroute) {
 824                         if(core->board.audio_chip &&
 825                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 826                                 struct v4l2_routing route;
 827
 828                                 route.input = core->board.radio.audioroute;
 829                                 call_all(core, audio, s_routing, &route);
 830                         }
 831                         /* "I2S ADC mode" */
 832                         core->tvaudio = WW_I2SADC;
 833                         cx88_set_tvaudio(core);
 834                 } else {
 835                         /* FM Mode */
 836                         core->tvaudio = WW_FM;
 837                         cx88_set_tvaudio(core);
 838                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 839                 }
 840                 call_all(core, tuner, s_radio);
 841         }
 842         unlock_kernel();
 843
 844         atomic_inc(&core->users);
 845
 846         return 0;
 847 }
 848
 849 static ssize_t
 850 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 851 {
 852         struct cx8800_fh *fh = file->private_data;
 853
 854         switch (fh->type) {
 855         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 856                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 857                         return -EBUSY;
 858                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 859                                          file->f_flags & O_NONBLOCK);
 860         case V4L2_BUF_TYPE_VBI_CAPTURE:
 861                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 862                         return -EBUSY;
 863                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 864                                             file->f_flags & O_NONBLOCK);
 865         default:
 866                 BUG();
 867                 return 0;
 868         }
 869 }
 870
 871 static unsigned int
 872 video_poll(struct file *file, struct poll_table_struct *wait)
 873 {
 874         struct cx8800_fh *fh = file->private_data;
 875         struct cx88_buffer *buf;
 876
 877         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 878                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 879                         return POLLERR;
 880                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 881         }
 882
 883         if (res_check(fh,RESOURCE_VIDEO)) {
 884                 /* streaming capture */
 885                 if (list_empty(&fh->vidq.stream))
 886                         return POLLERR;
 887                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 888         } else {
 889                 /* read() capture */
 890                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 891                 if (NULL == buf)
 892                         return POLLERR;
 893         }
 894         poll_wait(file, &buf->vb.done, wait);
 895         if (buf->vb.state == VIDEOBUF_DONE ||
 896             buf->vb.state == VIDEOBUF_ERROR)
 897                 return POLLIN|POLLRDNORM;
 898         return 0;
 899 }
 900
 901 static int video_release(struct file *file)
 902 {
 903         struct cx8800_fh  *fh  = file->private_data;
 904         struct cx8800_dev *dev = fh->dev;
 905
 906         /* turn off overlay */
 907         if (res_check(fh, RESOURCE_OVERLAY)) {
 908                 /* FIXME */
 909                 res_free(dev,fh,RESOURCE_OVERLAY);
 910         }
 911
 912         /* stop video capture */
 913         if (res_check(fh, RESOURCE_VIDEO)) {
 914                 videobuf_queue_cancel(&fh->vidq);
 915                 res_free(dev,fh,RESOURCE_VIDEO);
 916         }
 917         if (fh->vidq.read_buf) {
 918                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 919                 kfree(fh->vidq.read_buf);
 920         }
 921
 922         /* stop vbi capture */
 923         if (res_check(fh, RESOURCE_VBI)) {
 924                 videobuf_stop(&fh->vbiq);
 925                 res_free(dev,fh,RESOURCE_VBI);
 926         }
 927
 928         videobuf_mmap_free(&fh->vidq);
 929         videobuf_mmap_free(&fh->vbiq);
 930         file->private_data = NULL;
 931         kfree(fh);
 932
 933         if(atomic_dec_and_test(&dev->core->users))
 934                 call_all(dev->core, core, s_standby, 0);
 935
 936         return 0;
 937 }
 938
 939 static int
 940 video_mmap(struct file *file, struct vm_area_struct * vma)
 941 {
 942         struct cx8800_fh *fh = file->private_data;
 943
 944         return videobuf_mmap_mapper(get_queue(fh), vma);
 945 }
 946
 947 /* ------------------------------------------------------------------ */
 948 /* VIDEO CTRL IOCTLS                                                  */
 949
 950 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 951 {
 952         struct cx88_ctrl  *c    = NULL;
 953         u32 value;
 954         int i;
 955
 956         for (i = 0; i < CX8800_CTLS; i++)
 957                 if (cx8800_ctls[i].v.id == ctl->id)
 958                         c = &cx8800_ctls[i];
 959         if (unlikely(NULL == c))
 960                 return -EINVAL;
 961
 962         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 963         switch (ctl->id) {
 964         case V4L2_CID_AUDIO_BALANCE:
 965                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 966                                         : (0x7f - (value & 0x7f));
 967                 break;
 968         case V4L2_CID_AUDIO_VOLUME:
 969                 ctl->value = 0x3f - (value & 0x3f);
 970                 break;
 971         default:
 972                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 973                 break;
 974         }
 975         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 976                                 ctl->id, c->v.name, ctl->value, c->reg,
 977                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 978         return 0;
 979 }
 980 EXPORT_SYMBOL(cx88_get_control);
 981
 982 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 983 {
 984         struct cx88_ctrl *c = NULL;
 985         u32 value,mask;
 986         int i;
 987
 988         for (i = 0; i < CX8800_CTLS; i++) {
 989                 if (cx8800_ctls[i].v.id == ctl->id) {
 990                         c = &cx8800_ctls[i];
 991                 }
 992         }
 993         if (unlikely(NULL == c))
 994                 return -EINVAL;
 995
 996         if (ctl->value < c->v.minimum)
 997                 ctl->value = c->v.minimum;
 998         if (ctl->value > c->v.maximum)
 999                 ctl->value = c->v.maximum;
1000         mask=c->mask;
1001         switch (ctl->id) {
1002         case V4L2_CID_AUDIO_BALANCE:
1003                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1004                 break;
1005         case V4L2_CID_AUDIO_VOLUME:
1006                 value = 0x3f - (ctl->value & 0x3f);
1007                 break;
1008         case V4L2_CID_SATURATION:
1009                 /* special v_sat handling */
1010
1011                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1012
1013                 if (core->tvnorm & V4L2_STD_SECAM) {
1014                         /* For SECAM, both U and V sat should be equal */
1015                         value=value<<8|value;
1016                 } else {
1017                         /* Keeps U Saturation proportional to V Sat */
1018                         value=(value*0x5a)/0x7f<<8|value;
1019                 }
1020                 mask=0xffff;
1021                 break;
1022         case V4L2_CID_CHROMA_AGC:
1023                 /* Do not allow chroma AGC to be enabled for SECAM */
1024                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1025                 if (core->tvnorm & V4L2_STD_SECAM && value)
1026                         return -EINVAL;
1027                 break;
1028         default:
1029                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1030                 break;
1031         }
1032         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1033                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1034                                 mask, c->sreg ? " [shadowed]" : "");
1035         if (c->sreg) {
1036                 cx_sandor(c->sreg, c->reg, mask, value);
1037         } else {
1038                 cx_andor(c->reg, mask, value);
1039         }
1040         return 0;
1041 }
1042 EXPORT_SYMBOL(cx88_set_control);
1043
1044 static void init_controls(struct cx88_core *core)
1045 {
1046         struct v4l2_control ctrl;
1047         int i;
1048
1049         for (i = 0; i < CX8800_CTLS; i++) {
1050                 ctrl.id=cx8800_ctls[i].v.id;
1051                 ctrl.value=cx8800_ctls[i].v.default_value;
1052
1053                 cx88_set_control(core, &ctrl);
1054         }
1055 }
1056
1057 /* ------------------------------------------------------------------ */
1058 /* VIDEO IOCTLS                                                       */
1059
1060 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1061                                         struct v4l2_format *f)
1062 {
1063         struct cx8800_fh  *fh   = priv;
1064
1065         f->fmt.pix.width        = fh->width;
1066         f->fmt.pix.height       = fh->height;
1067         f->fmt.pix.field        = fh->vidq.field;
1068         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1069         f->fmt.pix.bytesperline =
1070                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1071         f->fmt.pix.sizeimage =
1072                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1073         return 0;
1074 }
1075
1076 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1077                         struct v4l2_format *f)
1078 {
1079         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1080         struct cx8800_fmt *fmt;
1081         enum v4l2_field   field;
1082         unsigned int      maxw, maxh;
1083
1084         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1085         if (NULL == fmt)
1086                 return -EINVAL;
1087
1088         field = f->fmt.pix.field;
1089         maxw  = norm_maxw(core->tvnorm);
1090         maxh  = norm_maxh(core->tvnorm);
1091
1092         if (V4L2_FIELD_ANY == field) {
1093                 field = (f->fmt.pix.height > maxh/2)
1094                         ? V4L2_FIELD_INTERLACED
1095                         : V4L2_FIELD_BOTTOM;
1096         }
1097
1098         switch (field) {
1099         case V4L2_FIELD_TOP:
1100         case V4L2_FIELD_BOTTOM:
1101                 maxh = maxh / 2;
1102                 break;
1103         case V4L2_FIELD_INTERLACED:
1104                 break;
1105         default:
1106                 return -EINVAL;
1107         }
1108
1109         f->fmt.pix.field = field;
1110         if (f->fmt.pix.height < 32)
1111                 f->fmt.pix.height = 32;
1112         if (f->fmt.pix.height > maxh)
1113                 f->fmt.pix.height = maxh;
1114         if (f->fmt.pix.width < 48)
1115                 f->fmt.pix.width = 48;
1116         if (f->fmt.pix.width > maxw)
1117                 f->fmt.pix.width = maxw;
1118         f->fmt.pix.width &= ~0x03;
1119         f->fmt.pix.bytesperline =
1120                 (f->fmt.pix.width * fmt->depth) >> 3;
1121         f->fmt.pix.sizeimage =
1122                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1123
1124         return 0;
1125 }
1126
1127 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1128                                         struct v4l2_format *f)
1129 {
1130         struct cx8800_fh  *fh   = priv;
1131         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1132
1133         if (0 != err)
1134                 return err;
1135         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1136         fh->width      = f->fmt.pix.width;
1137         fh->height     = f->fmt.pix.height;
1138         fh->vidq.field = f->fmt.pix.field;
1139         return 0;
1140 }
1141
1142 static int vidioc_querycap (struct file *file, void  *priv,
1143                                         struct v4l2_capability *cap)
1144 {
1145         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1146         struct cx88_core  *core = dev->core;
1147
1148         strcpy(cap->driver, "cx8800");
1149         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1150         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1151         cap->version = CX88_VERSION_CODE;
1152         cap->capabilities =
1153                 V4L2_CAP_VIDEO_CAPTURE |
1154                 V4L2_CAP_READWRITE     |
1155                 V4L2_CAP_STREAMING     |
1156                 V4L2_CAP_VBI_CAPTURE;
1157         if (UNSET != core->board.tuner_type)
1158                 cap->capabilities |= V4L2_CAP_TUNER;
1159         return 0;
1160 }
1161
1162 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1163                                         struct v4l2_fmtdesc *f)
1164 {
1165         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1166                 return -EINVAL;
1167
1168         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1169         f->pixelformat = formats[f->index].fourcc;
1170
1171         return 0;
1172 }
1173
1174 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1175 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1176 {
1177         struct cx8800_fh           *fh  = priv;
1178
1179         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1180 }
1181 #endif
1182
1183 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1184 {
1185         struct cx8800_fh  *fh   = priv;
1186         return (videobuf_reqbufs(get_queue(fh), p));
1187 }
1188
1189 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1190 {
1191         struct cx8800_fh  *fh   = priv;
1192         return (videobuf_querybuf(get_queue(fh), p));
1193 }
1194
1195 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1196 {
1197         struct cx8800_fh  *fh   = priv;
1198         return (videobuf_qbuf(get_queue(fh), p));
1199 }
1200
1201 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1202 {
1203         struct cx8800_fh  *fh   = priv;
1204         return (videobuf_dqbuf(get_queue(fh), p,
1205                                 file->f_flags & O_NONBLOCK));
1206 }
1207
1208 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1209 {
1210         struct cx8800_fh  *fh   = priv;
1211         struct cx8800_dev *dev  = fh->dev;
1212
1213         /* We should remember that this driver also supports teletext,  */
1214         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1215         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1216                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1217                 return -EINVAL;
1218
1219         if (unlikely(i != fh->type))
1220                 return -EINVAL;
1221
1222         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1223                 return -EBUSY;
1224         return videobuf_streamon(get_queue(fh));
1225 }
1226
1227 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1228 {
1229         struct cx8800_fh  *fh   = priv;
1230         struct cx8800_dev *dev  = fh->dev;
1231         int               err, res;
1232
1233         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1234             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1235                 return -EINVAL;
1236
1237         if (i != fh->type)
1238                 return -EINVAL;
1239
1240         res = get_ressource(fh);
1241         err = videobuf_streamoff(get_queue(fh));
1242         if (err < 0)
1243                 return err;
1244         res_free(dev,fh,res);
1245         return 0;
1246 }
1247
1248 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1249 {
1250         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1251
1252         mutex_lock(&core->lock);
1253         cx88_set_tvnorm(core,*tvnorms);
1254         mutex_unlock(&core->lock);
1255
1256         return 0;
1257 }
1258
1259 /* only one input in this sample driver */
1260 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1261 {
1262         static const char *iname[] = {
1263                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1264                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1265                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1266                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1267                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1268                 [ CX88_VMUX_TELEVISION ] = "Television",
1269                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1270                 [ CX88_VMUX_DVB        ] = "DVB",
1271                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1272         };
1273         unsigned int n = i->index;
1274
1275         if (n >= 4)
1276                 return -EINVAL;
1277         if (0 == INPUT(n).type)
1278                 return -EINVAL;
1279         i->type  = V4L2_INPUT_TYPE_CAMERA;
1280         strcpy(i->name,iname[INPUT(n).type]);
1281         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1282             (CX88_VMUX_CABLE      == INPUT(n).type))
1283                 i->type = V4L2_INPUT_TYPE_TUNER;
1284                 i->std = CX88_NORMS;
1285         return 0;
1286 }
1287 EXPORT_SYMBOL(cx88_enum_input);
1288
1289 static int vidioc_enum_input (struct file *file, void *priv,
1290                                 struct v4l2_input *i)
1291 {
1292         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1293         return cx88_enum_input (core,i);
1294 }
1295
1296 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1297 {
1298         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1299
1300         *i = core->input;
1301         return 0;
1302 }
1303
1304 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1305 {
1306         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1307
1308         if (i >= 4)
1309                 return -EINVAL;
1310
1311         mutex_lock(&core->lock);
1312         cx88_newstation(core);
1313         cx88_video_mux(core,i);
1314         mutex_unlock(&core->lock);
1315         return 0;
1316 }
1317
1318
1319
1320 static int vidioc_queryctrl (struct file *file, void *priv,
1321                                 struct v4l2_queryctrl *qctrl)
1322 {
1323         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1324
1325         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1326         if (unlikely(qctrl->id == 0))
1327                 return -EINVAL;
1328         return cx8800_ctrl_query(core, qctrl);
1329 }
1330
1331 static int vidioc_g_ctrl (struct file *file, void *priv,
1332                                 struct v4l2_control *ctl)
1333 {
1334         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1335         return
1336                 cx88_get_control(core,ctl);
1337 }
1338
1339 static int vidioc_s_ctrl (struct file *file, void *priv,
1340                                 struct v4l2_control *ctl)
1341 {
1342         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1343         return
1344                 cx88_set_control(core,ctl);
1345 }
1346
1347 static int vidioc_g_tuner (struct file *file, void *priv,
1348                                 struct v4l2_tuner *t)
1349 {
1350         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1351         u32 reg;
1352
1353         if (unlikely(UNSET == core->board.tuner_type))
1354                 return -EINVAL;
1355         if (0 != t->index)
1356                 return -EINVAL;
1357
1358         strcpy(t->name, "Television");
1359         t->type       = V4L2_TUNER_ANALOG_TV;
1360         t->capability = V4L2_TUNER_CAP_NORM;
1361         t->rangehigh  = 0xffffffffUL;
1362
1363         cx88_get_stereo(core ,t);
1364         reg = cx_read(MO_DEVICE_STATUS);
1365         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1366         return 0;
1367 }
1368
1369 static int vidioc_s_tuner (struct file *file, void *priv,
1370                                 struct v4l2_tuner *t)
1371 {
1372         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1373
1374         if (UNSET == core->board.tuner_type)
1375                 return -EINVAL;
1376         if (0 != t->index)
1377                 return -EINVAL;
1378
1379         cx88_set_stereo(core, t->audmode, 1);
1380         return 0;
1381 }
1382
1383 static int vidioc_g_frequency (struct file *file, void *priv,
1384                                 struct v4l2_frequency *f)
1385 {
1386         struct cx8800_fh  *fh   = priv;
1387         struct cx88_core  *core = fh->dev->core;
1388
1389         if (unlikely(UNSET == core->board.tuner_type))
1390                 return -EINVAL;
1391
1392         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1393         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1394         f->frequency = core->freq;
1395
1396         call_all(core, tuner, g_frequency, f);
1397
1398         return 0;
1399 }
1400
1401 int cx88_set_freq (struct cx88_core  *core,
1402                                 struct v4l2_frequency *f)
1403 {
1404         if (unlikely(UNSET == core->board.tuner_type))
1405                 return -EINVAL;
1406         if (unlikely(f->tuner != 0))
1407                 return -EINVAL;
1408
1409         mutex_lock(&core->lock);
1410         core->freq = f->frequency;
1411         cx88_newstation(core);
1412         call_all(core, tuner, s_frequency, f);
1413
1414         /* When changing channels it is required to reset TVAUDIO */
1415         msleep (10);
1416         cx88_set_tvaudio(core);
1417
1418         mutex_unlock(&core->lock);
1419
1420         return 0;
1421 }
1422 EXPORT_SYMBOL(cx88_set_freq);
1423
1424 static int vidioc_s_frequency (struct file *file, void *priv,
1425                                 struct v4l2_frequency *f)
1426 {
1427         struct cx8800_fh  *fh   = priv;
1428         struct cx88_core  *core = fh->dev->core;
1429
1430         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1431                 return -EINVAL;
1432         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1433                 return -EINVAL;
1434
1435         return
1436                 cx88_set_freq (core,f);
1437 }
1438
1439 #ifdef CONFIG_VIDEO_ADV_DEBUG
1440 static int vidioc_g_register (struct file *file, void *fh,
1441                                 struct v4l2_dbg_register *reg)
1442 {
1443         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1444
1445         if (!v4l2_chip_match_host(&reg->match))
1446                 return -EINVAL;
1447         /* cx2388x has a 24-bit register space */
1448         reg->val = cx_read(reg->reg & 0xffffff);
1449         reg->size = 4;
1450         return 0;
1451 }
1452
1453 static int vidioc_s_register (struct file *file, void *fh,
1454                                 struct v4l2_dbg_register *reg)
1455 {
1456         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1457
1458         if (!v4l2_chip_match_host(&reg->match))
1459                 return -EINVAL;
1460         cx_write(reg->reg & 0xffffff, reg->val);
1461         return 0;
1462 }
1463 #endif
1464
1465 /* ----------------------------------------------------------- */
1466 /* RADIO ESPECIFIC IOCTLS                                      */
1467 /* ----------------------------------------------------------- */
1468
1469 static int radio_querycap (struct file *file, void  *priv,
1470                                         struct v4l2_capability *cap)
1471 {
1472         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1473         struct cx88_core  *core = dev->core;
1474
1475         strcpy(cap->driver, "cx8800");
1476         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1477         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1478         cap->version = CX88_VERSION_CODE;
1479         cap->capabilities = V4L2_CAP_TUNER;
1480         return 0;
1481 }
1482
1483 static int radio_g_tuner (struct file *file, void *priv,
1484                                 struct v4l2_tuner *t)
1485 {
1486         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1487
1488         if (unlikely(t->index > 0))
1489                 return -EINVAL;
1490
1491         strcpy(t->name, "Radio");
1492         t->type = V4L2_TUNER_RADIO;
1493
1494         call_all(core, tuner, g_tuner, t);
1495         return 0;
1496 }
1497
1498 static int radio_enum_input (struct file *file, void *priv,
1499                                 struct v4l2_input *i)
1500 {
1501         if (i->index != 0)
1502                 return -EINVAL;
1503         strcpy(i->name,"Radio");
1504         i->type = V4L2_INPUT_TYPE_TUNER;
1505
1506         return 0;
1507 }
1508
1509 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1510 {
1511         if (unlikely(a->index))
1512                 return -EINVAL;
1513
1514         strcpy(a->name,"Radio");
1515         return 0;
1516 }
1517
1518 /* FIXME: Should add a standard for radio */
1519
1520 static int radio_s_tuner (struct file *file, void *priv,
1521                                 struct v4l2_tuner *t)
1522 {
1523         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1524
1525         if (0 != t->index)
1526                 return -EINVAL;
1527
1528         call_all(core, tuner, s_tuner, t);
1529
1530         return 0;
1531 }
1532
1533 static int radio_s_audio (struct file *file, void *fh,
1534                           struct v4l2_audio *a)
1535 {
1536         return 0;
1537 }
1538
1539 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1540 {
1541         return 0;
1542 }
1543
1544 static int radio_queryctrl (struct file *file, void *priv,
1545                             struct v4l2_queryctrl *c)
1546 {
1547         int i;
1548
1549         if (c->id <  V4L2_CID_BASE ||
1550                 c->id >= V4L2_CID_LASTP1)
1551                 return -EINVAL;
1552         if (c->id == V4L2_CID_AUDIO_MUTE) {
1553                 for (i = 0; i < CX8800_CTLS; i++)
1554                         if (cx8800_ctls[i].v.id == c->id)
1555                                 break;
1556                 *c = cx8800_ctls[i].v;
1557         } else
1558                 *c = no_ctl;
1559         return 0;
1560 }
1561
1562 /* ----------------------------------------------------------- */
1563
1564 static void cx8800_vid_timeout(unsigned long data)
1565 {
1566         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1567         struct cx88_core *core = dev->core;
1568         struct cx88_dmaqueue *q = &dev->vidq;
1569         struct cx88_buffer *buf;
1570         unsigned long flags;
1571
1572         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1573
1574         cx_clear(MO_VID_DMACNTRL, 0x11);
1575         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1576
1577         spin_lock_irqsave(&dev->slock,flags);
1578         while (!list_empty(&q->active)) {
1579                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1580                 list_del(&buf->vb.queue);
1581                 buf->vb.state = VIDEOBUF_ERROR;
1582                 wake_up(&buf->vb.done);
1583                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1584                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1585         }
1586         restart_video_queue(dev,q);
1587         spin_unlock_irqrestore(&dev->slock,flags);
1588 }
1589
1590 static char *cx88_vid_irqs[32] = {
1591         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1592         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1593         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1594         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1595         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1596 };
1597
1598 static void cx8800_vid_irq(struct cx8800_dev *dev)
1599 {
1600         struct cx88_core *core = dev->core;
1601         u32 status, mask, count;
1602
1603         status = cx_read(MO_VID_INTSTAT);
1604         mask   = cx_read(MO_VID_INTMSK);
1605         if (0 == (status & mask))
1606                 return;
1607         cx_write(MO_VID_INTSTAT, status);
1608         if (irq_debug  ||  (status & mask & ~0xff))
1609                 cx88_print_irqbits(core->name, "irq vid",
1610                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1611                                    status, mask);
1612
1613         /* risc op code error */
1614         if (status & (1 << 16)) {
1615                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1616                 cx_clear(MO_VID_DMACNTRL, 0x11);
1617                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1618                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1619         }
1620
1621         /* risc1 y */
1622         if (status & 0x01) {
1623                 spin_lock(&dev->slock);
1624                 count = cx_read(MO_VIDY_GPCNT);
1625                 cx88_wakeup(core, &dev->vidq, count);
1626                 spin_unlock(&dev->slock);
1627         }
1628
1629         /* risc1 vbi */
1630         if (status & 0x08) {
1631                 spin_lock(&dev->slock);
1632                 count = cx_read(MO_VBI_GPCNT);
1633                 cx88_wakeup(core, &dev->vbiq, count);
1634                 spin_unlock(&dev->slock);
1635         }
1636
1637         /* risc2 y */
1638         if (status & 0x10) {
1639                 dprintk(2,"stopper video\n");
1640                 spin_lock(&dev->slock);
1641                 restart_video_queue(dev,&dev->vidq);
1642                 spin_unlock(&dev->slock);
1643         }
1644
1645         /* risc2 vbi */
1646         if (status & 0x80) {
1647                 dprintk(2,"stopper vbi\n");
1648                 spin_lock(&dev->slock);
1649                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1650                 spin_unlock(&dev->slock);
1651         }
1652 }
1653
1654 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1655 {
1656         struct cx8800_dev *dev = dev_id;
1657         struct cx88_core *core = dev->core;
1658         u32 status;
1659         int loop, handled = 0;
1660
1661         for (loop = 0; loop < 10; loop++) {
1662                 status = cx_read(MO_PCI_INTSTAT) &
1663                         (core->pci_irqmask | PCI_INT_VIDINT);
1664                 if (0 == status)
1665                         goto out;
1666                 cx_write(MO_PCI_INTSTAT, status);
1667                 handled = 1;
1668
1669                 if (status & core->pci_irqmask)
1670                         cx88_core_irq(core,status);
1671                 if (status & PCI_INT_VIDINT)
1672                         cx8800_vid_irq(dev);
1673         };
1674         if (10 == loop) {
1675                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1676                        core->name);
1677                 cx_write(MO_PCI_INTMSK,0);
1678         }
1679
1680  out:
1681         return IRQ_RETVAL(handled);
1682 }
1683
1684 /* ----------------------------------------------------------- */
1685 /* exported stuff                                              */
1686
1687 static const struct v4l2_file_operations video_fops =
1688 {
1689         .owner         = THIS_MODULE,
1690         .open          = video_open,
1691         .release       = video_release,
1692         .read          = video_read,
1693         .poll          = video_poll,
1694         .mmap          = video_mmap,
1695         .ioctl         = video_ioctl2,
1696 };
1697
1698 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1699         .vidioc_querycap      = vidioc_querycap,
1700         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1701         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1702         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1703         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1704         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1705         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1706         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1707         .vidioc_reqbufs       = vidioc_reqbufs,
1708         .vidioc_querybuf      = vidioc_querybuf,
1709         .vidioc_qbuf          = vidioc_qbuf,
1710         .vidioc_dqbuf         = vidioc_dqbuf,
1711         .vidioc_s_std         = vidioc_s_std,
1712         .vidioc_enum_input    = vidioc_enum_input,
1713         .vidioc_g_input       = vidioc_g_input,
1714         .vidioc_s_input       = vidioc_s_input,
1715         .vidioc_queryctrl     = vidioc_queryctrl,
1716         .vidioc_g_ctrl        = vidioc_g_ctrl,
1717         .vidioc_s_ctrl        = vidioc_s_ctrl,
1718         .vidioc_streamon      = vidioc_streamon,
1719         .vidioc_streamoff     = vidioc_streamoff,
1720 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1721         .vidiocgmbuf          = vidiocgmbuf,
1722 #endif
1723         .vidioc_g_tuner       = vidioc_g_tuner,
1724         .vidioc_s_tuner       = vidioc_s_tuner,
1725         .vidioc_g_frequency   = vidioc_g_frequency,
1726         .vidioc_s_frequency   = vidioc_s_frequency,
1727 #ifdef CONFIG_VIDEO_ADV_DEBUG
1728         .vidioc_g_register    = vidioc_g_register,
1729         .vidioc_s_register    = vidioc_s_register,
1730 #endif
1731 };
1732
1733 static struct video_device cx8800_vbi_template;
1734
1735 static struct video_device cx8800_video_template = {
1736         .name                 = "cx8800-video",
1737         .fops                 = &video_fops,
1738         .minor                = -1,
1739         .ioctl_ops            = &video_ioctl_ops,
1740         .tvnorms              = CX88_NORMS,
1741         .current_norm         = V4L2_STD_NTSC_M,
1742 };
1743
1744 static const struct v4l2_file_operations radio_fops =
1745 {
1746         .owner         = THIS_MODULE,
1747         .open          = video_open,
1748         .release       = video_release,
1749         .ioctl         = video_ioctl2,
1750 };
1751
1752 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1753         .vidioc_querycap      = radio_querycap,
1754         .vidioc_g_tuner       = radio_g_tuner,
1755         .vidioc_enum_input    = radio_enum_input,
1756         .vidioc_g_audio       = radio_g_audio,
1757         .vidioc_s_tuner       = radio_s_tuner,
1758         .vidioc_s_audio       = radio_s_audio,
1759         .vidioc_s_input       = radio_s_input,
1760         .vidioc_queryctrl     = radio_queryctrl,
1761         .vidioc_g_ctrl        = vidioc_g_ctrl,
1762         .vidioc_s_ctrl        = vidioc_s_ctrl,
1763         .vidioc_g_frequency   = vidioc_g_frequency,
1764         .vidioc_s_frequency   = vidioc_s_frequency,
1765 #ifdef CONFIG_VIDEO_ADV_DEBUG
1766         .vidioc_g_register    = vidioc_g_register,
1767         .vidioc_s_register    = vidioc_s_register,
1768 #endif
1769 };
1770
1771 static struct video_device cx8800_radio_template = {
1772         .name                 = "cx8800-radio",
1773         .fops                 = &radio_fops,
1774         .minor                = -1,
1775         .ioctl_ops            = &radio_ioctl_ops,
1776 };
1777
1778 /* ----------------------------------------------------------- */
1779
1780 static void cx8800_unregister_video(struct cx8800_dev *dev)
1781 {
1782         if (dev->radio_dev) {
1783                 if (-1 != dev->radio_dev->minor)
1784                         video_unregister_device(dev->radio_dev);
1785                 else
1786                         video_device_release(dev->radio_dev);
1787                 dev->radio_dev = NULL;
1788         }
1789         if (dev->vbi_dev) {
1790                 if (-1 != dev->vbi_dev->minor)
1791                         video_unregister_device(dev->vbi_dev);
1792                 else
1793                         video_device_release(dev->vbi_dev);
1794                 dev->vbi_dev = NULL;
1795         }
1796         if (dev->video_dev) {
1797                 if (-1 != dev->video_dev->minor)
1798                         video_unregister_device(dev->video_dev);
1799                 else
1800                         video_device_release(dev->video_dev);
1801                 dev->video_dev = NULL;
1802         }
1803 }
1804
1805 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1806                                     const struct pci_device_id *pci_id)
1807 {
1808         struct cx8800_dev *dev;
1809         struct cx88_core *core;
1810
1811         int err;
1812
1813         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1814         if (NULL == dev)
1815                 return -ENOMEM;
1816
1817         /* pci init */
1818         dev->pci = pci_dev;
1819         if (pci_enable_device(pci_dev)) {
1820                 err = -EIO;
1821                 goto fail_free;
1822         }
1823         core = cx88_core_get(dev->pci);
1824         if (NULL == core) {
1825                 err = -EINVAL;
1826                 goto fail_free;
1827         }
1828         dev->core = core;
1829
1830         /* print pci info */
1831         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1832         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1833         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1834                "latency: %d, mmio: 0x%llx\n", core->name,
1835                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1836                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1837
1838         pci_set_master(pci_dev);
1839         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1840                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1841                 err = -EIO;
1842                 goto fail_core;
1843         }
1844
1845         /* Initialize VBI template */
1846         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1847                 sizeof(cx8800_vbi_template) );
1848         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1849
1850         /* initialize driver struct */
1851         spin_lock_init(&dev->slock);
1852         core->tvnorm = cx8800_video_template.current_norm;
1853
1854         /* init video dma queues */
1855         INIT_LIST_HEAD(&dev->vidq.active);
1856         INIT_LIST_HEAD(&dev->vidq.queued);
1857         dev->vidq.timeout.function = cx8800_vid_timeout;
1858         dev->vidq.timeout.data     = (unsigned long)dev;
1859         init_timer(&dev->vidq.timeout);
1860         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1861                           MO_VID_DMACNTRL,0x11,0x00);
1862
1863         /* init vbi dma queues */
1864         INIT_LIST_HEAD(&dev->vbiq.active);
1865         INIT_LIST_HEAD(&dev->vbiq.queued);
1866         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1867         dev->vbiq.timeout.data     = (unsigned long)dev;
1868         init_timer(&dev->vbiq.timeout);
1869         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1870                           MO_VID_DMACNTRL,0x88,0x00);
1871
1872         /* get irq */
1873         err = request_irq(pci_dev->irq, cx8800_irq,
1874                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1875         if (err < 0) {
1876                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1877                        core->name,pci_dev->irq);
1878                 goto fail_core;
1879         }
1880         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1881
1882         /* load and configure helper modules */
1883
1884         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1885                 v4l2_i2c_new_subdev(&core->i2c_adap,
1886                                 "wm8775", "wm8775", 0x36 >> 1);
1887
1888         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1889                 /* This probes for a tda9874 as is used on some
1890                    Pixelview Ultra boards. */
1891                 static const unsigned short i2c_addr[] = {
1892                         0xb0 >> 1, I2C_CLIENT_END
1893                 };
1894
1895                 v4l2_i2c_new_probed_subdev(&core->i2c_adap,
1896                                 "tvaudio", "tvaudio", i2c_addr);
1897         }
1898
1899         switch (core->boardnr) {
1900         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1901         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1902                 static struct i2c_board_info rtc_info = {
1903                         I2C_BOARD_INFO("isl1208", 0x6f)
1904                 };
1905
1906                 request_module("rtc-isl1208");
1907                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1908         }
1909                 /* break intentionally omitted */
1910         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1911                 request_module("ir-kbd-i2c");
1912         }
1913
1914         /* register v4l devices */
1915         dev->video_dev = cx88_vdev_init(core,dev->pci,
1916                                         &cx8800_video_template,"video");
1917         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1918                                     video_nr[core->nr]);
1919         if (err < 0) {
1920                 printk(KERN_ERR "%s/0: can't register video device\n",
1921                        core->name);
1922                 goto fail_unreg;
1923         }
1924         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1925                core->name, dev->video_dev->num);
1926
1927         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1928         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1929                                     vbi_nr[core->nr]);
1930         if (err < 0) {
1931                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1932                        core->name);
1933                 goto fail_unreg;
1934         }
1935         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1936                core->name, dev->vbi_dev->num);
1937
1938         if (core->board.radio.type == CX88_RADIO) {
1939                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1940                                                 &cx8800_radio_template,"radio");
1941                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1942                                             radio_nr[core->nr]);
1943                 if (err < 0) {
1944                         printk(KERN_ERR "%s/0: can't register radio device\n",
1945                                core->name);
1946                         goto fail_unreg;
1947                 }
1948                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1949                        core->name, dev->radio_dev->num);
1950         }
1951
1952         /* everything worked */
1953         list_add_tail(&dev->devlist,&cx8800_devlist);
1954         pci_set_drvdata(pci_dev,dev);
1955
1956         /* initial device configuration */
1957         mutex_lock(&core->lock);
1958         cx88_set_tvnorm(core,core->tvnorm);
1959         init_controls(core);
1960         cx88_video_mux(core,0);
1961         mutex_unlock(&core->lock);
1962
1963         /* start tvaudio thread */
1964         if (core->board.tuner_type != TUNER_ABSENT) {
1965                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1966                 if (IS_ERR(core->kthread)) {
1967                         err = PTR_ERR(core->kthread);
1968                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1969                                core->name, err);
1970                 }
1971         }
1972         return 0;
1973
1974 fail_unreg:
1975         cx8800_unregister_video(dev);
1976         free_irq(pci_dev->irq, dev);
1977 fail_core:
1978         cx88_core_put(core,dev->pci);
1979 fail_free:
1980         kfree(dev);
1981         return err;
1982 }
1983
1984 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1985 {
1986         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1987         struct cx88_core *core = dev->core;
1988
1989         /* stop thread */
1990         if (core->kthread) {
1991                 kthread_stop(core->kthread);
1992                 core->kthread = NULL;
1993         }
1994
1995         if (core->ir)
1996                 cx88_ir_stop(core, core->ir);
1997
1998         cx88_shutdown(core); /* FIXME */
1999         pci_disable_device(pci_dev);
2000
2001         /* unregister stuff */
2002
2003         free_irq(pci_dev->irq, dev);
2004         cx8800_unregister_video(dev);
2005         pci_set_drvdata(pci_dev, NULL);
2006
2007         /* free memory */
2008         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2009         list_del(&dev->devlist);
2010         cx88_core_put(core,dev->pci);
2011         kfree(dev);
2012 }
2013
2014 #ifdef CONFIG_PM
2015 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2016 {
2017         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2018         struct cx88_core *core = dev->core;
2019
2020         /* stop video+vbi capture */
2021         spin_lock(&dev->slock);
2022         if (!list_empty(&dev->vidq.active)) {
2023                 printk("%s/0: suspend video\n", core->name);
2024                 stop_video_dma(dev);
2025                 del_timer(&dev->vidq.timeout);
2026         }
2027         if (!list_empty(&dev->vbiq.active)) {
2028                 printk("%s/0: suspend vbi\n", core->name);
2029                 cx8800_stop_vbi_dma(dev);
2030                 del_timer(&dev->vbiq.timeout);
2031         }
2032         spin_unlock(&dev->slock);
2033
2034         if (core->ir)
2035                 cx88_ir_stop(core, core->ir);
2036         /* FIXME -- shutdown device */
2037         cx88_shutdown(core);
2038
2039         pci_save_state(pci_dev);
2040         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2041                 pci_disable_device(pci_dev);
2042                 dev->state.disabled = 1;
2043         }
2044         return 0;
2045 }
2046
2047 static int cx8800_resume(struct pci_dev *pci_dev)
2048 {
2049         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2050         struct cx88_core *core = dev->core;
2051         int err;
2052
2053         if (dev->state.disabled) {
2054                 err=pci_enable_device(pci_dev);
2055                 if (err) {
2056                         printk(KERN_ERR "%s/0: can't enable device\n",
2057                                core->name);
2058                         return err;
2059                 }
2060
2061                 dev->state.disabled = 0;
2062         }
2063         err= pci_set_power_state(pci_dev, PCI_D0);
2064         if (err) {
2065                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2066                 pci_disable_device(pci_dev);
2067                 dev->state.disabled = 1;
2068
2069                 return err;
2070         }
2071         pci_restore_state(pci_dev);
2072
2073         /* FIXME: re-initialize hardware */
2074         cx88_reset(core);
2075         if (core->ir)
2076                 cx88_ir_start(core, core->ir);
2077
2078         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2079
2080         /* restart video+vbi capture */
2081         spin_lock(&dev->slock);
2082         if (!list_empty(&dev->vidq.active)) {
2083                 printk("%s/0: resume video\n", core->name);
2084                 restart_video_queue(dev,&dev->vidq);
2085         }
2086         if (!list_empty(&dev->vbiq.active)) {
2087                 printk("%s/0: resume vbi\n", core->name);
2088                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2089         }
2090         spin_unlock(&dev->slock);
2091
2092         return 0;
2093 }
2094 #endif
2095
2096 /* ----------------------------------------------------------- */
2097
2098 static struct pci_device_id cx8800_pci_tbl[] = {
2099         {
2100                 .vendor       = 0x14f1,
2101                 .device       = 0x8800,
2102                 .subvendor    = PCI_ANY_ID,
2103                 .subdevice    = PCI_ANY_ID,
2104         },{
2105                 /* --- end of list --- */
2106         }
2107 };
2108 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2109
2110 static struct pci_driver cx8800_pci_driver = {
2111         .name     = "cx8800",
2112         .id_table = cx8800_pci_tbl,
2113         .probe    = cx8800_initdev,
2114         .remove   = __devexit_p(cx8800_finidev),
2115 #ifdef CONFIG_PM
2116         .suspend  = cx8800_suspend,
2117         .resume   = cx8800_resume,
2118 #endif
2119 };
2120
2121 static int cx8800_init(void)
2122 {
2123         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2124                (CX88_VERSION_CODE >> 16) & 0xff,
2125                (CX88_VERSION_CODE >>  8) & 0xff,
2126                CX88_VERSION_CODE & 0xff);
2127 #ifdef SNAPSHOT
2128         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2129                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2130 #endif
2131         return pci_register_driver(&cx8800_pci_driver);
2132 }
2133
2134 static void cx8800_fini(void)
2135 {
2136         pci_unregister_driver(&cx8800_pci_driver);
2137 }
2138
2139 module_init(cx8800_init);
2140 module_exit(cx8800_fini);
2141
2142 /* ----------------------------------------------------------- */
2143 /*
2144  * Local variables:
2145  * c-basic-offset: 8
2146  * End:
2147  * 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
2148  */