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/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/dma-mapping.h>
  36 #include <linux/delay.h>
  37 #include <linux/kthread.h>
  38 #include <asm/div64.h>
  39
  40 #include "cx88.h"
  41 #include <media/v4l2-common.h>
  42 #include <media/v4l2-ioctl.h>
  43
  44 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  45 /* Include V4L1 specific functions. Should be removed soon */
  46 #include <linux/videodev.h>
  47 #endif
  48
  49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  51 MODULE_LICENSE("GPL");
  52
  53 /* ------------------------------------------------------------------ */
  54
  55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  58
  59 module_param_array(video_nr, int, NULL, 0444);
  60 module_param_array(vbi_nr,   int, NULL, 0444);
  61 module_param_array(radio_nr, int, NULL, 0444);
  62
  63 MODULE_PARM_DESC(video_nr,"video device numbers");
  64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  66
  67 static unsigned int video_debug;
  68 module_param(video_debug,int,0644);
  69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  70
  71 static unsigned int irq_debug;
  72 module_param(irq_debug,int,0644);
  73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  74
  75 static unsigned int vid_limit = 16;
  76 module_param(vid_limit,int,0644);
  77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  78
  79 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  80         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  81
  82 /* ------------------------------------------------------------------ */
  83
  84 static LIST_HEAD(cx8800_devlist);
  85
  86 /* ------------------------------------------------------------------- */
  87 /* static data                                                         */
  88
  89 static struct cx8800_fmt formats[] = {
  90         {
  91                 .name     = "8 bpp, gray",
  92                 .fourcc   = V4L2_PIX_FMT_GREY,
  93                 .cxformat = ColorFormatY8,
  94                 .depth    = 8,
  95                 .flags    = FORMAT_FLAGS_PACKED,
  96         },{
  97                 .name     = "15 bpp RGB, le",
  98                 .fourcc   = V4L2_PIX_FMT_RGB555,
  99                 .cxformat = ColorFormatRGB15,
 100                 .depth    = 16,
 101                 .flags    = FORMAT_FLAGS_PACKED,
 102         },{
 103                 .name     = "15 bpp RGB, be",
 104                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 105                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 106                 .depth    = 16,
 107                 .flags    = FORMAT_FLAGS_PACKED,
 108         },{
 109                 .name     = "16 bpp RGB, le",
 110                 .fourcc   = V4L2_PIX_FMT_RGB565,
 111                 .cxformat = ColorFormatRGB16,
 112                 .depth    = 16,
 113                 .flags    = FORMAT_FLAGS_PACKED,
 114         },{
 115                 .name     = "16 bpp RGB, be",
 116                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 117                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 118                 .depth    = 16,
 119                 .flags    = FORMAT_FLAGS_PACKED,
 120         },{
 121                 .name     = "24 bpp RGB, le",
 122                 .fourcc   = V4L2_PIX_FMT_BGR24,
 123                 .cxformat = ColorFormatRGB24,
 124                 .depth    = 24,
 125                 .flags    = FORMAT_FLAGS_PACKED,
 126         },{
 127                 .name     = "32 bpp RGB, le",
 128                 .fourcc   = V4L2_PIX_FMT_BGR32,
 129                 .cxformat = ColorFormatRGB32,
 130                 .depth    = 32,
 131                 .flags    = FORMAT_FLAGS_PACKED,
 132         },{
 133                 .name     = "32 bpp RGB, be",
 134                 .fourcc   = V4L2_PIX_FMT_RGB32,
 135                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 136                 .depth    = 32,
 137                 .flags    = FORMAT_FLAGS_PACKED,
 138         },{
 139                 .name     = "4:2:2, packed, YUYV",
 140                 .fourcc   = V4L2_PIX_FMT_YUYV,
 141                 .cxformat = ColorFormatYUY2,
 142                 .depth    = 16,
 143                 .flags    = FORMAT_FLAGS_PACKED,
 144         },{
 145                 .name     = "4:2:2, packed, UYVY",
 146                 .fourcc   = V4L2_PIX_FMT_UYVY,
 147                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 148                 .depth    = 16,
 149                 .flags    = FORMAT_FLAGS_PACKED,
 150         },
 151 };
 152
 153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 154 {
 155         unsigned int i;
 156
 157         for (i = 0; i < ARRAY_SIZE(formats); i++)
 158                 if (formats[i].fourcc == fourcc)
 159                         return formats+i;
 160         return NULL;
 161 }
 162
 163 /* ------------------------------------------------------------------- */
 164
 165 static const struct v4l2_queryctrl no_ctl = {
 166         .name  = "42",
 167         .flags = V4L2_CTRL_FLAG_DISABLED,
 168 };
 169
 170 static struct cx88_ctrl cx8800_ctls[] = {
 171         /* --- video --- */
 172         {
 173                 .v = {
 174                         .id            = V4L2_CID_BRIGHTNESS,
 175                         .name          = "Brightness",
 176                         .minimum       = 0x00,
 177                         .maximum       = 0xff,
 178                         .step          = 1,
 179                         .default_value = 0x7f,
 180                         .type          = V4L2_CTRL_TYPE_INTEGER,
 181                 },
 182                 .off                   = 128,
 183                 .reg                   = MO_CONTR_BRIGHT,
 184                 .mask                  = 0x00ff,
 185                 .shift                 = 0,
 186         },{
 187                 .v = {
 188                         .id            = V4L2_CID_CONTRAST,
 189                         .name          = "Contrast",
 190                         .minimum       = 0,
 191                         .maximum       = 0xff,
 192                         .step          = 1,
 193                         .default_value = 0x3f,
 194                         .type          = V4L2_CTRL_TYPE_INTEGER,
 195                 },
 196                 .off                   = 0,
 197                 .reg                   = MO_CONTR_BRIGHT,
 198                 .mask                  = 0xff00,
 199                 .shift                 = 8,
 200         },{
 201                 .v = {
 202                         .id            = V4L2_CID_HUE,
 203                         .name          = "Hue",
 204                         .minimum       = 0,
 205                         .maximum       = 0xff,
 206                         .step          = 1,
 207                         .default_value = 0x7f,
 208                         .type          = V4L2_CTRL_TYPE_INTEGER,
 209                 },
 210                 .off                   = 128,
 211                 .reg                   = MO_HUE,
 212                 .mask                  = 0x00ff,
 213                 .shift                 = 0,
 214         },{
 215                 /* strictly, this only describes only U saturation.
 216                  * V saturation is handled specially through code.
 217                  */
 218                 .v = {
 219                         .id            = V4L2_CID_SATURATION,
 220                         .name          = "Saturation",
 221                         .minimum       = 0,
 222                         .maximum       = 0xff,
 223                         .step          = 1,
 224                         .default_value = 0x7f,
 225                         .type          = V4L2_CTRL_TYPE_INTEGER,
 226                 },
 227                 .off                   = 0,
 228                 .reg                   = MO_UV_SATURATION,
 229                 .mask                  = 0x00ff,
 230                 .shift                 = 0,
 231         },{
 232                 .v = {
 233                         .id            = V4L2_CID_CHROMA_AGC,
 234                         .name          = "Chroma AGC",
 235                         .minimum       = 0,
 236                         .maximum       = 1,
 237                         .default_value = 0x1,
 238                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 239                 },
 240                 .reg                   = MO_INPUT_FORMAT,
 241                 .mask                  = 1 << 10,
 242                 .shift                 = 10,
 243         }, {
 244                 .v = {
 245                         .id            = V4L2_CID_COLOR_KILLER,
 246                         .name          = "Color killer",
 247                         .minimum       = 0,
 248                         .maximum       = 1,
 249                         .default_value = 0x1,
 250                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 251                 },
 252                 .reg                   = MO_INPUT_FORMAT,
 253                 .mask                  = 1 << 9,
 254                 .shift                 = 9,
 255         }, {
 256         /* --- audio --- */
 257                 .v = {
 258                         .id            = V4L2_CID_AUDIO_MUTE,
 259                         .name          = "Mute",
 260                         .minimum       = 0,
 261                         .maximum       = 1,
 262                         .default_value = 1,
 263                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 264                 },
 265                 .reg                   = AUD_VOL_CTL,
 266                 .sreg                  = SHADOW_AUD_VOL_CTL,
 267                 .mask                  = (1 << 6),
 268                 .shift                 = 6,
 269         },{
 270                 .v = {
 271                         .id            = V4L2_CID_AUDIO_VOLUME,
 272                         .name          = "Volume",
 273                         .minimum       = 0,
 274                         .maximum       = 0x3f,
 275                         .step          = 1,
 276                         .default_value = 0x3f,
 277                         .type          = V4L2_CTRL_TYPE_INTEGER,
 278                 },
 279                 .reg                   = AUD_VOL_CTL,
 280                 .sreg                  = SHADOW_AUD_VOL_CTL,
 281                 .mask                  = 0x3f,
 282                 .shift                 = 0,
 283         },{
 284                 .v = {
 285                         .id            = V4L2_CID_AUDIO_BALANCE,
 286                         .name          = "Balance",
 287                         .minimum       = 0,
 288                         .maximum       = 0x7f,
 289                         .step          = 1,
 290                         .default_value = 0x40,
 291                         .type          = V4L2_CTRL_TYPE_INTEGER,
 292                 },
 293                 .reg                   = AUD_BAL_CTL,
 294                 .sreg                  = SHADOW_AUD_BAL_CTL,
 295                 .mask                  = 0x7f,
 296                 .shift                 = 0,
 297         }
 298 };
 299 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 300
 301 const u32 cx88_user_ctrls[] = {
 302         V4L2_CID_USER_CLASS,
 303         V4L2_CID_BRIGHTNESS,
 304         V4L2_CID_CONTRAST,
 305         V4L2_CID_SATURATION,
 306         V4L2_CID_HUE,
 307         V4L2_CID_AUDIO_VOLUME,
 308         V4L2_CID_AUDIO_BALANCE,
 309         V4L2_CID_AUDIO_MUTE,
 310         V4L2_CID_CHROMA_AGC,
 311         V4L2_CID_COLOR_KILLER,
 312         0
 313 };
 314 EXPORT_SYMBOL(cx88_user_ctrls);
 315
 316 static const u32 *ctrl_classes[] = {
 317         cx88_user_ctrls,
 318         NULL
 319 };
 320
 321 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 322 {
 323         int i;
 324
 325         if (qctrl->id < V4L2_CID_BASE ||
 326             qctrl->id >= V4L2_CID_LASTP1)
 327                 return -EINVAL;
 328         for (i = 0; i < CX8800_CTLS; i++)
 329                 if (cx8800_ctls[i].v.id == qctrl->id)
 330                         break;
 331         if (i == CX8800_CTLS) {
 332                 *qctrl = no_ctl;
 333                 return 0;
 334         }
 335         *qctrl = cx8800_ctls[i].v;
 336         /* Report chroma AGC as inactive when SECAM is selected */
 337         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 338             core->tvnorm & V4L2_STD_SECAM)
 339                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 340
 341         return 0;
 342 }
 343 EXPORT_SYMBOL(cx8800_ctrl_query);
 344
 345 /* ------------------------------------------------------------------- */
 346 /* resource management                                                 */
 347
 348 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 349 {
 350         struct cx88_core *core = dev->core;
 351         if (fh->resources & bit)
 352                 /* have it already allocated */
 353                 return 1;
 354
 355         /* is it free? */
 356         mutex_lock(&core->lock);
 357         if (dev->resources & bit) {
 358                 /* no, someone else uses it */
 359                 mutex_unlock(&core->lock);
 360                 return 0;
 361         }
 362         /* it's free, grab it */
 363         fh->resources  |= bit;
 364         dev->resources |= bit;
 365         dprintk(1,"res: get %d\n",bit);
 366         mutex_unlock(&core->lock);
 367         return 1;
 368 }
 369
 370 static
 371 int res_check(struct cx8800_fh *fh, unsigned int bit)
 372 {
 373         return (fh->resources & bit);
 374 }
 375
 376 static
 377 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 378 {
 379         return (dev->resources & bit);
 380 }
 381
 382 static
 383 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 384 {
 385         struct cx88_core *core = dev->core;
 386         BUG_ON((fh->resources & bits) != bits);
 387
 388         mutex_lock(&core->lock);
 389         fh->resources  &= ~bits;
 390         dev->resources &= ~bits;
 391         dprintk(1,"res: put %d\n",bits);
 392         mutex_unlock(&core->lock);
 393 }
 394
 395 /* ------------------------------------------------------------------ */
 396
 397 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 398 {
 399         /* struct cx88_core *core = dev->core; */
 400
 401         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 402                 input, INPUT(input).vmux,
 403                 INPUT(input).gpio0,INPUT(input).gpio1,
 404                 INPUT(input).gpio2,INPUT(input).gpio3);
 405         core->input = input;
 406         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 407         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 408         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 409         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 410         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 411
 412         switch (INPUT(input).type) {
 413         case CX88_VMUX_SVIDEO:
 414                 cx_set(MO_AFECFG_IO,    0x00000001);
 415                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 416                 cx_set(MO_FILTER_EVEN,  0x00002020);
 417                 cx_set(MO_FILTER_ODD,   0x00002020);
 418                 break;
 419         default:
 420                 cx_clear(MO_AFECFG_IO,    0x00000001);
 421                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 422                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 423                 cx_clear(MO_FILTER_ODD,   0x00002020);
 424                 break;
 425         }
 426
 427         /* if there are audioroutes defined, we have an external
 428            ADC to deal with audio */
 429         if (INPUT(input).audioroute) {
 430                 /* The wm8775 module has the "2" route hardwired into
 431                    the initialization. Some boards may use different
 432                    routes for different inputs. HVR-1300 surely does */
 433                 if (core->board.audio_chip &&
 434                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 435                         struct v4l2_routing route;
 436
 437                         route.input = INPUT(input).audioroute;
 438                         cx88_call_i2c_clients(core,
 439                                 VIDIOC_INT_S_AUDIO_ROUTING, &route);
 440                 }
 441                 /* cx2388's C-ADC is connected to the tuner only.
 442                    When used with S-Video, that ADC is busy dealing with
 443                    chroma, so an external must be used for baseband audio */
 444                 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
 445                         /* "I2S ADC mode" */
 446                         core->tvaudio = WW_I2SADC;
 447                         cx88_set_tvaudio(core);
 448                 } else {
 449                         /* Normal mode */
 450                         cx_write(AUD_I2SCNTL, 0x0);
 451                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 452                 }
 453         }
 454
 455         return 0;
 456 }
 457 EXPORT_SYMBOL(cx88_video_mux);
 458
 459 /* ------------------------------------------------------------------ */
 460
 461 static int start_video_dma(struct cx8800_dev    *dev,
 462                            struct cx88_dmaqueue *q,
 463                            struct cx88_buffer   *buf)
 464 {
 465         struct cx88_core *core = dev->core;
 466
 467         /* setup fifo + format */
 468         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 469                                 buf->bpl, buf->risc.dma);
 470         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 471         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 472
 473         /* reset counter */
 474         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 475         q->count = 1;
 476
 477         /* enable irqs */
 478         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 479
 480         /* Enables corresponding bits at PCI_INT_STAT:
 481                 bits 0 to 4: video, audio, transport stream, VIP, Host
 482                 bit 7: timer
 483                 bits 8 and 9: DMA complete for: SRC, DST
 484                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 485                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 486          */
 487         cx_set(MO_VID_INTMSK, 0x0f0011);
 488
 489         /* enable capture */
 490         cx_set(VID_CAPTURE_CONTROL,0x06);
 491
 492         /* start dma */
 493         cx_set(MO_DEV_CNTRL2, (1<<5));
 494         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 495
 496         return 0;
 497 }
 498
 499 #ifdef CONFIG_PM
 500 static int stop_video_dma(struct cx8800_dev    *dev)
 501 {
 502         struct cx88_core *core = dev->core;
 503
 504         /* stop dma */
 505         cx_clear(MO_VID_DMACNTRL, 0x11);
 506
 507         /* disable capture */
 508         cx_clear(VID_CAPTURE_CONTROL,0x06);
 509
 510         /* disable irqs */
 511         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 512         cx_clear(MO_VID_INTMSK, 0x0f0011);
 513         return 0;
 514 }
 515 #endif
 516
 517 static int restart_video_queue(struct cx8800_dev    *dev,
 518                                struct cx88_dmaqueue *q)
 519 {
 520         struct cx88_core *core = dev->core;
 521         struct cx88_buffer *buf, *prev;
 522
 523         if (!list_empty(&q->active)) {
 524                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 525                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 526                         buf, buf->vb.i);
 527                 start_video_dma(dev, q, buf);
 528                 list_for_each_entry(buf, &q->active, vb.queue)
 529                         buf->count = q->count++;
 530                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 531                 return 0;
 532         }
 533
 534         prev = NULL;
 535         for (;;) {
 536                 if (list_empty(&q->queued))
 537                         return 0;
 538                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 539                 if (NULL == prev) {
 540                         list_move_tail(&buf->vb.queue, &q->active);
 541                         start_video_dma(dev, q, buf);
 542                         buf->vb.state = VIDEOBUF_ACTIVE;
 543                         buf->count    = q->count++;
 544                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 545                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 546                                 buf,buf->vb.i);
 547
 548                 } else if (prev->vb.width  == buf->vb.width  &&
 549                            prev->vb.height == buf->vb.height &&
 550                            prev->fmt       == buf->fmt) {
 551                         list_move_tail(&buf->vb.queue, &q->active);
 552                         buf->vb.state = VIDEOBUF_ACTIVE;
 553                         buf->count    = q->count++;
 554                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 555                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 556                                 buf,buf->vb.i);
 557                 } else {
 558                         return 0;
 559                 }
 560                 prev = buf;
 561         }
 562 }
 563
 564 /* ------------------------------------------------------------------ */
 565
 566 static int
 567 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 568 {
 569         struct cx8800_fh *fh = q->priv_data;
 570
 571         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 572         if (0 == *count)
 573                 *count = 32;
 574         while (*size * *count > vid_limit * 1024 * 1024)
 575                 (*count)--;
 576         return 0;
 577 }
 578
 579 static int
 580 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 581                enum v4l2_field field)
 582 {
 583         struct cx8800_fh   *fh  = q->priv_data;
 584         struct cx8800_dev  *dev = fh->dev;
 585         struct cx88_core *core = dev->core;
 586         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 587         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 588         int rc, init_buffer = 0;
 589
 590         BUG_ON(NULL == fh->fmt);
 591         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 592             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 593                 return -EINVAL;
 594         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 595         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 596                 return -EINVAL;
 597
 598         if (buf->fmt       != fh->fmt    ||
 599             buf->vb.width  != fh->width  ||
 600             buf->vb.height != fh->height ||
 601             buf->vb.field  != field) {
 602                 buf->fmt       = fh->fmt;
 603                 buf->vb.width  = fh->width;
 604                 buf->vb.height = fh->height;
 605                 buf->vb.field  = field;
 606                 init_buffer = 1;
 607         }
 608
 609         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 610                 init_buffer = 1;
 611                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 612                         goto fail;
 613         }
 614
 615         if (init_buffer) {
 616                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 617                 switch (buf->vb.field) {
 618                 case V4L2_FIELD_TOP:
 619                         cx88_risc_buffer(dev->pci, &buf->risc,
 620                                          dma->sglist, 0, UNSET,
 621                                          buf->bpl, 0, buf->vb.height);
 622                         break;
 623                 case V4L2_FIELD_BOTTOM:
 624                         cx88_risc_buffer(dev->pci, &buf->risc,
 625                                          dma->sglist, UNSET, 0,
 626                                          buf->bpl, 0, buf->vb.height);
 627                         break;
 628                 case V4L2_FIELD_INTERLACED:
 629                         cx88_risc_buffer(dev->pci, &buf->risc,
 630                                          dma->sglist, 0, buf->bpl,
 631                                          buf->bpl, buf->bpl,
 632                                          buf->vb.height >> 1);
 633                         break;
 634                 case V4L2_FIELD_SEQ_TB:
 635                         cx88_risc_buffer(dev->pci, &buf->risc,
 636                                          dma->sglist,
 637                                          0, buf->bpl * (buf->vb.height >> 1),
 638                                          buf->bpl, 0,
 639                                          buf->vb.height >> 1);
 640                         break;
 641                 case V4L2_FIELD_SEQ_BT:
 642                         cx88_risc_buffer(dev->pci, &buf->risc,
 643                                          dma->sglist,
 644                                          buf->bpl * (buf->vb.height >> 1), 0,
 645                                          buf->bpl, 0,
 646                                          buf->vb.height >> 1);
 647                         break;
 648                 default:
 649                         BUG();
 650                 }
 651         }
 652         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 653                 buf, buf->vb.i,
 654                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 655                 (unsigned long)buf->risc.dma);
 656
 657         buf->vb.state = VIDEOBUF_PREPARED;
 658         return 0;
 659
 660  fail:
 661         cx88_free_buffer(q,buf);
 662         return rc;
 663 }
 664
 665 static void
 666 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 667 {
 668         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 669         struct cx88_buffer    *prev;
 670         struct cx8800_fh      *fh   = vq->priv_data;
 671         struct cx8800_dev     *dev  = fh->dev;
 672         struct cx88_core      *core = dev->core;
 673         struct cx88_dmaqueue  *q    = &dev->vidq;
 674
 675         /* add jump to stopper */
 676         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 677         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 678
 679         if (!list_empty(&q->queued)) {
 680                 list_add_tail(&buf->vb.queue,&q->queued);
 681                 buf->vb.state = VIDEOBUF_QUEUED;
 682                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 683                         buf, buf->vb.i);
 684
 685         } else if (list_empty(&q->active)) {
 686                 list_add_tail(&buf->vb.queue,&q->active);
 687                 start_video_dma(dev, q, buf);
 688                 buf->vb.state = VIDEOBUF_ACTIVE;
 689                 buf->count    = q->count++;
 690                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 691                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 692                         buf, buf->vb.i);
 693
 694         } else {
 695                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 696                 if (prev->vb.width  == buf->vb.width  &&
 697                     prev->vb.height == buf->vb.height &&
 698                     prev->fmt       == buf->fmt) {
 699                         list_add_tail(&buf->vb.queue,&q->active);
 700                         buf->vb.state = VIDEOBUF_ACTIVE;
 701                         buf->count    = q->count++;
 702                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 703                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 704                                 buf, buf->vb.i);
 705
 706                 } else {
 707                         list_add_tail(&buf->vb.queue,&q->queued);
 708                         buf->vb.state = VIDEOBUF_QUEUED;
 709                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 710                                 buf, buf->vb.i);
 711                 }
 712         }
 713 }
 714
 715 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 716 {
 717         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 718
 719         cx88_free_buffer(q,buf);
 720 }
 721
 722 static struct videobuf_queue_ops cx8800_video_qops = {
 723         .buf_setup    = buffer_setup,
 724         .buf_prepare  = buffer_prepare,
 725         .buf_queue    = buffer_queue,
 726         .buf_release  = buffer_release,
 727 };
 728
 729 /* ------------------------------------------------------------------ */
 730
 731
 732 /* ------------------------------------------------------------------ */
 733
 734 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 735 {
 736         switch (fh->type) {
 737         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 738                 return &fh->vidq;
 739         case V4L2_BUF_TYPE_VBI_CAPTURE:
 740                 return &fh->vbiq;
 741         default:
 742                 BUG();
 743                 return NULL;
 744         }
 745 }
 746
 747 static int get_ressource(struct cx8800_fh *fh)
 748 {
 749         switch (fh->type) {
 750         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 751                 return RESOURCE_VIDEO;
 752         case V4L2_BUF_TYPE_VBI_CAPTURE:
 753                 return RESOURCE_VBI;
 754         default:
 755                 BUG();
 756                 return 0;
 757         }
 758 }
 759
 760 static int video_open(struct inode *inode, struct file *file)
 761 {
 762         int minor = iminor(inode);
 763         struct cx8800_dev *h,*dev = NULL;
 764         struct cx88_core *core;
 765         struct cx8800_fh *fh;
 766         enum v4l2_buf_type type = 0;
 767         int radio = 0;
 768
 769         lock_kernel();
 770         list_for_each_entry(h, &cx8800_devlist, devlist) {
 771                 if (h->video_dev->minor == minor) {
 772                         dev  = h;
 773                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 774                 }
 775                 if (h->vbi_dev->minor == minor) {
 776                         dev  = h;
 777                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 778                 }
 779                 if (h->radio_dev &&
 780                     h->radio_dev->minor == minor) {
 781                         radio = 1;
 782                         dev   = h;
 783                 }
 784         }
 785         if (NULL == dev) {
 786                 unlock_kernel();
 787                 return -ENODEV;
 788         }
 789
 790         core = dev->core;
 791
 792         dprintk(1,"open minor=%d radio=%d type=%s\n",
 793                 minor,radio,v4l2_type_names[type]);
 794
 795         /* allocate + initialize per filehandle data */
 796         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 797         if (NULL == fh) {
 798                 unlock_kernel();
 799                 return -ENOMEM;
 800         }
 801         file->private_data = fh;
 802         fh->dev      = dev;
 803         fh->radio    = radio;
 804         fh->type     = type;
 805         fh->width    = 320;
 806         fh->height   = 240;
 807         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 808
 809         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 810                             &dev->pci->dev, &dev->slock,
 811                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 812                             V4L2_FIELD_INTERLACED,
 813                             sizeof(struct cx88_buffer),
 814                             fh);
 815         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 816                             &dev->pci->dev, &dev->slock,
 817                             V4L2_BUF_TYPE_VBI_CAPTURE,
 818                             V4L2_FIELD_SEQ_TB,
 819                             sizeof(struct cx88_buffer),
 820                             fh);
 821
 822         if (fh->radio) {
 823                 dprintk(1,"video_open: setting radio device\n");
 824                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 825                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 826                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 827                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 828                 if (core->board.radio.audioroute) {
 829                         if(core->board.audio_chip &&
 830                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 831                                 struct v4l2_routing route;
 832
 833                                 route.input = core->board.radio.audioroute;
 834                                 cx88_call_i2c_clients(core,
 835                                         VIDIOC_INT_S_AUDIO_ROUTING, &route);
 836                         }
 837                         /* "I2S ADC mode" */
 838                         core->tvaudio = WW_I2SADC;
 839                         cx88_set_tvaudio(core);
 840                 } else {
 841                         /* FM Mode */
 842                         core->tvaudio = WW_FM;
 843                         cx88_set_tvaudio(core);
 844                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 845                 }
 846                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 847         }
 848         unlock_kernel();
 849
 850         atomic_inc(&core->users);
 851
 852         return 0;
 853 }
 854
 855 static ssize_t
 856 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 857 {
 858         struct cx8800_fh *fh = file->private_data;
 859
 860         switch (fh->type) {
 861         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 862                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 863                         return -EBUSY;
 864                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 865                                          file->f_flags & O_NONBLOCK);
 866         case V4L2_BUF_TYPE_VBI_CAPTURE:
 867                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 868                         return -EBUSY;
 869                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 870                                             file->f_flags & O_NONBLOCK);
 871         default:
 872                 BUG();
 873                 return 0;
 874         }
 875 }
 876
 877 static unsigned int
 878 video_poll(struct file *file, struct poll_table_struct *wait)
 879 {
 880         struct cx8800_fh *fh = file->private_data;
 881         struct cx88_buffer *buf;
 882
 883         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 884                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 885                         return POLLERR;
 886                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 887         }
 888
 889         if (res_check(fh,RESOURCE_VIDEO)) {
 890                 /* streaming capture */
 891                 if (list_empty(&fh->vidq.stream))
 892                         return POLLERR;
 893                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 894         } else {
 895                 /* read() capture */
 896                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 897                 if (NULL == buf)
 898                         return POLLERR;
 899         }
 900         poll_wait(file, &buf->vb.done, wait);
 901         if (buf->vb.state == VIDEOBUF_DONE ||
 902             buf->vb.state == VIDEOBUF_ERROR)
 903                 return POLLIN|POLLRDNORM;
 904         return 0;
 905 }
 906
 907 static int video_release(struct inode *inode, struct file *file)
 908 {
 909         struct cx8800_fh  *fh  = file->private_data;
 910         struct cx8800_dev *dev = fh->dev;
 911
 912         /* turn off overlay */
 913         if (res_check(fh, RESOURCE_OVERLAY)) {
 914                 /* FIXME */
 915                 res_free(dev,fh,RESOURCE_OVERLAY);
 916         }
 917
 918         /* stop video capture */
 919         if (res_check(fh, RESOURCE_VIDEO)) {
 920                 videobuf_queue_cancel(&fh->vidq);
 921                 res_free(dev,fh,RESOURCE_VIDEO);
 922         }
 923         if (fh->vidq.read_buf) {
 924                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 925                 kfree(fh->vidq.read_buf);
 926         }
 927
 928         /* stop vbi capture */
 929         if (res_check(fh, RESOURCE_VBI)) {
 930                 videobuf_stop(&fh->vbiq);
 931                 res_free(dev,fh,RESOURCE_VBI);
 932         }
 933
 934         videobuf_mmap_free(&fh->vidq);
 935         videobuf_mmap_free(&fh->vbiq);
 936         file->private_data = NULL;
 937         kfree(fh);
 938
 939         if(atomic_dec_and_test(&dev->core->users))
 940                 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 941
 942         return 0;
 943 }
 944
 945 static int
 946 video_mmap(struct file *file, struct vm_area_struct * vma)
 947 {
 948         struct cx8800_fh *fh = file->private_data;
 949
 950         return videobuf_mmap_mapper(get_queue(fh), vma);
 951 }
 952
 953 /* ------------------------------------------------------------------ */
 954 /* VIDEO CTRL IOCTLS                                                  */
 955
 956 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 957 {
 958         struct cx88_ctrl  *c    = NULL;
 959         u32 value;
 960         int i;
 961
 962         for (i = 0; i < CX8800_CTLS; i++)
 963                 if (cx8800_ctls[i].v.id == ctl->id)
 964                         c = &cx8800_ctls[i];
 965         if (unlikely(NULL == c))
 966                 return -EINVAL;
 967
 968         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 969         switch (ctl->id) {
 970         case V4L2_CID_AUDIO_BALANCE:
 971                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 972                                         : (0x7f - (value & 0x7f));
 973                 break;
 974         case V4L2_CID_AUDIO_VOLUME:
 975                 ctl->value = 0x3f - (value & 0x3f);
 976                 break;
 977         default:
 978                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 979                 break;
 980         }
 981         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 982                                 ctl->id, c->v.name, ctl->value, c->reg,
 983                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 984         return 0;
 985 }
 986 EXPORT_SYMBOL(cx88_get_control);
 987
 988 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 989 {
 990         struct cx88_ctrl *c = NULL;
 991         u32 value,mask;
 992         int i;
 993
 994         for (i = 0; i < CX8800_CTLS; i++) {
 995                 if (cx8800_ctls[i].v.id == ctl->id) {
 996                         c = &cx8800_ctls[i];
 997                 }
 998         }
 999         if (unlikely(NULL == c))
1000                 return -EINVAL;
1001
1002         if (ctl->value < c->v.minimum)
1003                 ctl->value = c->v.minimum;
1004         if (ctl->value > c->v.maximum)
1005                 ctl->value = c->v.maximum;
1006         mask=c->mask;
1007         switch (ctl->id) {
1008         case V4L2_CID_AUDIO_BALANCE:
1009                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1010                 break;
1011         case V4L2_CID_AUDIO_VOLUME:
1012                 value = 0x3f - (ctl->value & 0x3f);
1013                 break;
1014         case V4L2_CID_SATURATION:
1015                 /* special v_sat handling */
1016
1017                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1018
1019                 if (core->tvnorm & V4L2_STD_SECAM) {
1020                         /* For SECAM, both U and V sat should be equal */
1021                         value=value<<8|value;
1022                 } else {
1023                         /* Keeps U Saturation proportional to V Sat */
1024                         value=(value*0x5a)/0x7f<<8|value;
1025                 }
1026                 mask=0xffff;
1027                 break;
1028         case V4L2_CID_CHROMA_AGC:
1029                 /* Do not allow chroma AGC to be enabled for SECAM */
1030                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1031                 if (core->tvnorm & V4L2_STD_SECAM && value)
1032                         return -EINVAL;
1033                 break;
1034         default:
1035                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1036                 break;
1037         }
1038         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1039                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1040                                 mask, c->sreg ? " [shadowed]" : "");
1041         if (c->sreg) {
1042                 cx_sandor(c->sreg, c->reg, mask, value);
1043         } else {
1044                 cx_andor(c->reg, mask, value);
1045         }
1046         return 0;
1047 }
1048 EXPORT_SYMBOL(cx88_set_control);
1049
1050 static void init_controls(struct cx88_core *core)
1051 {
1052         struct v4l2_control ctrl;
1053         int i;
1054
1055         for (i = 0; i < CX8800_CTLS; i++) {
1056                 ctrl.id=cx8800_ctls[i].v.id;
1057                 ctrl.value=cx8800_ctls[i].v.default_value;
1058
1059                 cx88_set_control(core, &ctrl);
1060         }
1061 }
1062
1063 /* ------------------------------------------------------------------ */
1064 /* VIDEO IOCTLS                                                       */
1065
1066 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1067                                         struct v4l2_format *f)
1068 {
1069         struct cx8800_fh  *fh   = priv;
1070
1071         f->fmt.pix.width        = fh->width;
1072         f->fmt.pix.height       = fh->height;
1073         f->fmt.pix.field        = fh->vidq.field;
1074         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1075         f->fmt.pix.bytesperline =
1076                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1077         f->fmt.pix.sizeimage =
1078                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1079         return 0;
1080 }
1081
1082 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1083                         struct v4l2_format *f)
1084 {
1085         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1086         struct cx8800_fmt *fmt;
1087         enum v4l2_field   field;
1088         unsigned int      maxw, maxh;
1089
1090         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1091         if (NULL == fmt)
1092                 return -EINVAL;
1093
1094         field = f->fmt.pix.field;
1095         maxw  = norm_maxw(core->tvnorm);
1096         maxh  = norm_maxh(core->tvnorm);
1097
1098         if (V4L2_FIELD_ANY == field) {
1099                 field = (f->fmt.pix.height > maxh/2)
1100                         ? V4L2_FIELD_INTERLACED
1101                         : V4L2_FIELD_BOTTOM;
1102         }
1103
1104         switch (field) {
1105         case V4L2_FIELD_TOP:
1106         case V4L2_FIELD_BOTTOM:
1107                 maxh = maxh / 2;
1108                 break;
1109         case V4L2_FIELD_INTERLACED:
1110                 break;
1111         default:
1112                 return -EINVAL;
1113         }
1114
1115         f->fmt.pix.field = field;
1116         if (f->fmt.pix.height < 32)
1117                 f->fmt.pix.height = 32;
1118         if (f->fmt.pix.height > maxh)
1119                 f->fmt.pix.height = maxh;
1120         if (f->fmt.pix.width < 48)
1121                 f->fmt.pix.width = 48;
1122         if (f->fmt.pix.width > maxw)
1123                 f->fmt.pix.width = maxw;
1124         f->fmt.pix.width &= ~0x03;
1125         f->fmt.pix.bytesperline =
1126                 (f->fmt.pix.width * fmt->depth) >> 3;
1127         f->fmt.pix.sizeimage =
1128                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1129
1130         return 0;
1131 }
1132
1133 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1134                                         struct v4l2_format *f)
1135 {
1136         struct cx8800_fh  *fh   = priv;
1137         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1138
1139         if (0 != err)
1140                 return err;
1141         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1142         fh->width      = f->fmt.pix.width;
1143         fh->height     = f->fmt.pix.height;
1144         fh->vidq.field = f->fmt.pix.field;
1145         return 0;
1146 }
1147
1148 static int vidioc_querycap (struct file *file, void  *priv,
1149                                         struct v4l2_capability *cap)
1150 {
1151         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1152         struct cx88_core  *core = dev->core;
1153
1154         strcpy(cap->driver, "cx8800");
1155         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1156         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1157         cap->version = CX88_VERSION_CODE;
1158         cap->capabilities =
1159                 V4L2_CAP_VIDEO_CAPTURE |
1160                 V4L2_CAP_READWRITE     |
1161                 V4L2_CAP_STREAMING     |
1162                 V4L2_CAP_VBI_CAPTURE;
1163         if (UNSET != core->board.tuner_type)
1164                 cap->capabilities |= V4L2_CAP_TUNER;
1165         return 0;
1166 }
1167
1168 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1169                                         struct v4l2_fmtdesc *f)
1170 {
1171         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1172                 return -EINVAL;
1173
1174         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1175         f->pixelformat = formats[f->index].fourcc;
1176
1177         return 0;
1178 }
1179
1180 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1181 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1182 {
1183         struct cx8800_fh           *fh  = priv;
1184
1185         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1186 }
1187 #endif
1188
1189 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1190 {
1191         struct cx8800_fh  *fh   = priv;
1192         return (videobuf_reqbufs(get_queue(fh), p));
1193 }
1194
1195 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1196 {
1197         struct cx8800_fh  *fh   = priv;
1198         return (videobuf_querybuf(get_queue(fh), p));
1199 }
1200
1201 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1202 {
1203         struct cx8800_fh  *fh   = priv;
1204         return (videobuf_qbuf(get_queue(fh), p));
1205 }
1206
1207 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1208 {
1209         struct cx8800_fh  *fh   = priv;
1210         return (videobuf_dqbuf(get_queue(fh), p,
1211                                 file->f_flags & O_NONBLOCK));
1212 }
1213
1214 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1215 {
1216         struct cx8800_fh  *fh   = priv;
1217         struct cx8800_dev *dev  = fh->dev;
1218
1219         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1220                 return -EINVAL;
1221         if (unlikely(i != fh->type))
1222                 return -EINVAL;
1223
1224         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1225                 return -EBUSY;
1226         return videobuf_streamon(get_queue(fh));
1227 }
1228
1229 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1230 {
1231         struct cx8800_fh  *fh   = priv;
1232         struct cx8800_dev *dev  = fh->dev;
1233         int               err, res;
1234
1235         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1236                 return -EINVAL;
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;
1274
1275         n = i->index;
1276         if (n >= 4)
1277                 return -EINVAL;
1278         if (0 == INPUT(n).type)
1279                 return -EINVAL;
1280         memset(i,0,sizeof(*i));
1281         i->index = n;
1282         i->type  = V4L2_INPUT_TYPE_CAMERA;
1283         strcpy(i->name,iname[INPUT(n).type]);
1284         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1285             (CX88_VMUX_CABLE      == INPUT(n).type))
1286                 i->type = V4L2_INPUT_TYPE_TUNER;
1287                 i->std = CX88_NORMS;
1288         return 0;
1289 }
1290 EXPORT_SYMBOL(cx88_enum_input);
1291
1292 static int vidioc_enum_input (struct file *file, void *priv,
1293                                 struct v4l2_input *i)
1294 {
1295         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1296         return cx88_enum_input (core,i);
1297 }
1298
1299 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1300 {
1301         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1302
1303         *i = core->input;
1304         return 0;
1305 }
1306
1307 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1308 {
1309         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1310
1311         if (i >= 4)
1312                 return -EINVAL;
1313
1314         mutex_lock(&core->lock);
1315         cx88_newstation(core);
1316         cx88_video_mux(core,i);
1317         mutex_unlock(&core->lock);
1318         return 0;
1319 }
1320
1321
1322
1323 static int vidioc_queryctrl (struct file *file, void *priv,
1324                                 struct v4l2_queryctrl *qctrl)
1325 {
1326         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1327
1328         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1329         if (unlikely(qctrl->id == 0))
1330                 return -EINVAL;
1331         return cx8800_ctrl_query(core, qctrl);
1332 }
1333
1334 static int vidioc_g_ctrl (struct file *file, void *priv,
1335                                 struct v4l2_control *ctl)
1336 {
1337         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1338         return
1339                 cx88_get_control(core,ctl);
1340 }
1341
1342 static int vidioc_s_ctrl (struct file *file, void *priv,
1343                                 struct v4l2_control *ctl)
1344 {
1345         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1346         return
1347                 cx88_set_control(core,ctl);
1348 }
1349
1350 static int vidioc_g_tuner (struct file *file, void *priv,
1351                                 struct v4l2_tuner *t)
1352 {
1353         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1354         u32 reg;
1355
1356         if (unlikely(UNSET == core->board.tuner_type))
1357                 return -EINVAL;
1358         if (0 != t->index)
1359                 return -EINVAL;
1360
1361         strcpy(t->name, "Television");
1362         t->type       = V4L2_TUNER_ANALOG_TV;
1363         t->capability = V4L2_TUNER_CAP_NORM;
1364         t->rangehigh  = 0xffffffffUL;
1365
1366         cx88_get_stereo(core ,t);
1367         reg = cx_read(MO_DEVICE_STATUS);
1368         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1369         return 0;
1370 }
1371
1372 static int vidioc_s_tuner (struct file *file, void *priv,
1373                                 struct v4l2_tuner *t)
1374 {
1375         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1376
1377         if (UNSET == core->board.tuner_type)
1378                 return -EINVAL;
1379         if (0 != t->index)
1380                 return -EINVAL;
1381
1382         cx88_set_stereo(core, t->audmode, 1);
1383         return 0;
1384 }
1385
1386 static int vidioc_g_frequency (struct file *file, void *priv,
1387                                 struct v4l2_frequency *f)
1388 {
1389         struct cx8800_fh  *fh   = priv;
1390         struct cx88_core  *core = fh->dev->core;
1391
1392         if (unlikely(UNSET == core->board.tuner_type))
1393                 return -EINVAL;
1394
1395         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1396         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1397         f->frequency = core->freq;
1398
1399         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1400
1401         return 0;
1402 }
1403
1404 int cx88_set_freq (struct cx88_core  *core,
1405                                 struct v4l2_frequency *f)
1406 {
1407         if (unlikely(UNSET == core->board.tuner_type))
1408                 return -EINVAL;
1409         if (unlikely(f->tuner != 0))
1410                 return -EINVAL;
1411
1412         mutex_lock(&core->lock);
1413         core->freq = f->frequency;
1414         cx88_newstation(core);
1415         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1416
1417         /* When changing channels it is required to reset TVAUDIO */
1418         msleep (10);
1419         cx88_set_tvaudio(core);
1420
1421         mutex_unlock(&core->lock);
1422
1423         return 0;
1424 }
1425 EXPORT_SYMBOL(cx88_set_freq);
1426
1427 static int vidioc_s_frequency (struct file *file, void *priv,
1428                                 struct v4l2_frequency *f)
1429 {
1430         struct cx8800_fh  *fh   = priv;
1431         struct cx88_core  *core = fh->dev->core;
1432
1433         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1434                 return -EINVAL;
1435         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1436                 return -EINVAL;
1437
1438         return
1439                 cx88_set_freq (core,f);
1440 }
1441
1442 #ifdef CONFIG_VIDEO_ADV_DEBUG
1443 static int vidioc_g_register (struct file *file, void *fh,
1444                                 struct v4l2_register *reg)
1445 {
1446         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1447
1448         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1449                 return -EINVAL;
1450         /* cx2388x has a 24-bit register space */
1451         reg->val = cx_read(reg->reg&0xffffff);
1452         return 0;
1453 }
1454
1455 static int vidioc_s_register (struct file *file, void *fh,
1456                                 struct v4l2_register *reg)
1457 {
1458         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1459
1460         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1461                 return -EINVAL;
1462         cx_write(reg->reg&0xffffff, reg->val);
1463         return 0;
1464 }
1465 #endif
1466
1467 /* ----------------------------------------------------------- */
1468 /* RADIO ESPECIFIC IOCTLS                                      */
1469 /* ----------------------------------------------------------- */
1470
1471 static int radio_querycap (struct file *file, void  *priv,
1472                                         struct v4l2_capability *cap)
1473 {
1474         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1475         struct cx88_core  *core = dev->core;
1476
1477         strcpy(cap->driver, "cx8800");
1478         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1479         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1480         cap->version = CX88_VERSION_CODE;
1481         cap->capabilities = V4L2_CAP_TUNER;
1482         return 0;
1483 }
1484
1485 static int radio_g_tuner (struct file *file, void *priv,
1486                                 struct v4l2_tuner *t)
1487 {
1488         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1489
1490         if (unlikely(t->index > 0))
1491                 return -EINVAL;
1492
1493         strcpy(t->name, "Radio");
1494         t->type = V4L2_TUNER_RADIO;
1495
1496         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1497         return 0;
1498 }
1499
1500 static int radio_enum_input (struct file *file, void *priv,
1501                                 struct v4l2_input *i)
1502 {
1503         if (i->index != 0)
1504                 return -EINVAL;
1505         strcpy(i->name,"Radio");
1506         i->type = V4L2_INPUT_TYPE_TUNER;
1507
1508         return 0;
1509 }
1510
1511 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1512 {
1513         if (unlikely(a->index))
1514                 return -EINVAL;
1515
1516         memset(a,0,sizeof(*a));
1517         strcpy(a->name,"Radio");
1518         return 0;
1519 }
1520
1521 /* FIXME: Should add a standard for radio */
1522
1523 static int radio_s_tuner (struct file *file, void *priv,
1524                                 struct v4l2_tuner *t)
1525 {
1526         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1527
1528         if (0 != t->index)
1529                 return -EINVAL;
1530
1531         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1532
1533         return 0;
1534 }
1535
1536 static int radio_s_audio (struct file *file, void *fh,
1537                           struct v4l2_audio *a)
1538 {
1539         return 0;
1540 }
1541
1542 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1543 {
1544         return 0;
1545 }
1546
1547 static int radio_queryctrl (struct file *file, void *priv,
1548                             struct v4l2_queryctrl *c)
1549 {
1550         int i;
1551
1552         if (c->id <  V4L2_CID_BASE ||
1553                 c->id >= V4L2_CID_LASTP1)
1554                 return -EINVAL;
1555         if (c->id == V4L2_CID_AUDIO_MUTE) {
1556                 for (i = 0; i < CX8800_CTLS; i++)
1557                         if (cx8800_ctls[i].v.id == c->id)
1558                                 break;
1559                 *c = cx8800_ctls[i].v;
1560         } else
1561                 *c = no_ctl;
1562         return 0;
1563 }
1564
1565 /* ----------------------------------------------------------- */
1566
1567 static void cx8800_vid_timeout(unsigned long data)
1568 {
1569         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1570         struct cx88_core *core = dev->core;
1571         struct cx88_dmaqueue *q = &dev->vidq;
1572         struct cx88_buffer *buf;
1573         unsigned long flags;
1574
1575         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1576
1577         cx_clear(MO_VID_DMACNTRL, 0x11);
1578         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1579
1580         spin_lock_irqsave(&dev->slock,flags);
1581         while (!list_empty(&q->active)) {
1582                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1583                 list_del(&buf->vb.queue);
1584                 buf->vb.state = VIDEOBUF_ERROR;
1585                 wake_up(&buf->vb.done);
1586                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1587                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1588         }
1589         restart_video_queue(dev,q);
1590         spin_unlock_irqrestore(&dev->slock,flags);
1591 }
1592
1593 static char *cx88_vid_irqs[32] = {
1594         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1595         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1596         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1597         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1598         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1599 };
1600
1601 static void cx8800_vid_irq(struct cx8800_dev *dev)
1602 {
1603         struct cx88_core *core = dev->core;
1604         u32 status, mask, count;
1605
1606         status = cx_read(MO_VID_INTSTAT);
1607         mask   = cx_read(MO_VID_INTMSK);
1608         if (0 == (status & mask))
1609                 return;
1610         cx_write(MO_VID_INTSTAT, status);
1611         if (irq_debug  ||  (status & mask & ~0xff))
1612                 cx88_print_irqbits(core->name, "irq vid",
1613                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1614                                    status, mask);
1615
1616         /* risc op code error */
1617         if (status & (1 << 16)) {
1618                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1619                 cx_clear(MO_VID_DMACNTRL, 0x11);
1620                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1621                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1622         }
1623
1624         /* risc1 y */
1625         if (status & 0x01) {
1626                 spin_lock(&dev->slock);
1627                 count = cx_read(MO_VIDY_GPCNT);
1628                 cx88_wakeup(core, &dev->vidq, count);
1629                 spin_unlock(&dev->slock);
1630         }
1631
1632         /* risc1 vbi */
1633         if (status & 0x08) {
1634                 spin_lock(&dev->slock);
1635                 count = cx_read(MO_VBI_GPCNT);
1636                 cx88_wakeup(core, &dev->vbiq, count);
1637                 spin_unlock(&dev->slock);
1638         }
1639
1640         /* risc2 y */
1641         if (status & 0x10) {
1642                 dprintk(2,"stopper video\n");
1643                 spin_lock(&dev->slock);
1644                 restart_video_queue(dev,&dev->vidq);
1645                 spin_unlock(&dev->slock);
1646         }
1647
1648         /* risc2 vbi */
1649         if (status & 0x80) {
1650                 dprintk(2,"stopper vbi\n");
1651                 spin_lock(&dev->slock);
1652                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1653                 spin_unlock(&dev->slock);
1654         }
1655 }
1656
1657 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1658 {
1659         struct cx8800_dev *dev = dev_id;
1660         struct cx88_core *core = dev->core;
1661         u32 status;
1662         int loop, handled = 0;
1663
1664         for (loop = 0; loop < 10; loop++) {
1665                 status = cx_read(MO_PCI_INTSTAT) &
1666                         (core->pci_irqmask | PCI_INT_VIDINT);
1667                 if (0 == status)
1668                         goto out;
1669                 cx_write(MO_PCI_INTSTAT, status);
1670                 handled = 1;
1671
1672                 if (status & core->pci_irqmask)
1673                         cx88_core_irq(core,status);
1674                 if (status & PCI_INT_VIDINT)
1675                         cx8800_vid_irq(dev);
1676         };
1677         if (10 == loop) {
1678                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1679                        core->name);
1680                 cx_write(MO_PCI_INTMSK,0);
1681         }
1682
1683  out:
1684         return IRQ_RETVAL(handled);
1685 }
1686
1687 /* ----------------------------------------------------------- */
1688 /* exported stuff                                              */
1689
1690 static const struct file_operations video_fops =
1691 {
1692         .owner         = THIS_MODULE,
1693         .open          = video_open,
1694         .release       = video_release,
1695         .read          = video_read,
1696         .poll          = video_poll,
1697         .mmap          = video_mmap,
1698         .ioctl         = video_ioctl2,
1699         .compat_ioctl  = v4l_compat_ioctl32,
1700         .llseek        = no_llseek,
1701 };
1702
1703 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1704         .vidioc_querycap      = vidioc_querycap,
1705         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1706         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1707         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1708         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1709         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1710         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1711         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1712         .vidioc_reqbufs       = vidioc_reqbufs,
1713         .vidioc_querybuf      = vidioc_querybuf,
1714         .vidioc_qbuf          = vidioc_qbuf,
1715         .vidioc_dqbuf         = vidioc_dqbuf,
1716         .vidioc_s_std         = vidioc_s_std,
1717         .vidioc_enum_input    = vidioc_enum_input,
1718         .vidioc_g_input       = vidioc_g_input,
1719         .vidioc_s_input       = vidioc_s_input,
1720         .vidioc_queryctrl     = vidioc_queryctrl,
1721         .vidioc_g_ctrl        = vidioc_g_ctrl,
1722         .vidioc_s_ctrl        = vidioc_s_ctrl,
1723         .vidioc_streamon      = vidioc_streamon,
1724         .vidioc_streamoff     = vidioc_streamoff,
1725 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1726         .vidiocgmbuf          = vidiocgmbuf,
1727 #endif
1728         .vidioc_g_tuner       = vidioc_g_tuner,
1729         .vidioc_s_tuner       = vidioc_s_tuner,
1730         .vidioc_g_frequency   = vidioc_g_frequency,
1731         .vidioc_s_frequency   = vidioc_s_frequency,
1732 #ifdef CONFIG_VIDEO_ADV_DEBUG
1733         .vidioc_g_register    = vidioc_g_register,
1734         .vidioc_s_register    = vidioc_s_register,
1735 #endif
1736 };
1737
1738 static struct video_device cx8800_vbi_template;
1739
1740 static struct video_device cx8800_video_template = {
1741         .name                 = "cx8800-video",
1742         .fops                 = &video_fops,
1743         .minor                = -1,
1744         .ioctl_ops            = &video_ioctl_ops,
1745         .tvnorms              = CX88_NORMS,
1746         .current_norm         = V4L2_STD_NTSC_M,
1747 };
1748
1749 static const struct file_operations radio_fops =
1750 {
1751         .owner         = THIS_MODULE,
1752         .open          = video_open,
1753         .release       = video_release,
1754         .ioctl         = video_ioctl2,
1755         .compat_ioctl  = v4l_compat_ioctl32,
1756         .llseek        = no_llseek,
1757 };
1758
1759 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1760         .vidioc_querycap      = radio_querycap,
1761         .vidioc_g_tuner       = radio_g_tuner,
1762         .vidioc_enum_input    = radio_enum_input,
1763         .vidioc_g_audio       = radio_g_audio,
1764         .vidioc_s_tuner       = radio_s_tuner,
1765         .vidioc_s_audio       = radio_s_audio,
1766         .vidioc_s_input       = radio_s_input,
1767         .vidioc_queryctrl     = radio_queryctrl,
1768         .vidioc_g_ctrl        = vidioc_g_ctrl,
1769         .vidioc_s_ctrl        = vidioc_s_ctrl,
1770         .vidioc_g_frequency   = vidioc_g_frequency,
1771         .vidioc_s_frequency   = vidioc_s_frequency,
1772 #ifdef CONFIG_VIDEO_ADV_DEBUG
1773         .vidioc_g_register    = vidioc_g_register,
1774         .vidioc_s_register    = vidioc_s_register,
1775 #endif
1776 };
1777
1778 static struct video_device cx8800_radio_template = {
1779         .name                 = "cx8800-radio",
1780         .fops                 = &radio_fops,
1781         .minor                = -1,
1782         .ioctl_ops            = &radio_ioctl_ops,
1783 };
1784
1785 /* ----------------------------------------------------------- */
1786
1787 static void cx8800_unregister_video(struct cx8800_dev *dev)
1788 {
1789         if (dev->radio_dev) {
1790                 if (-1 != dev->radio_dev->minor)
1791                         video_unregister_device(dev->radio_dev);
1792                 else
1793                         video_device_release(dev->radio_dev);
1794                 dev->radio_dev = NULL;
1795         }
1796         if (dev->vbi_dev) {
1797                 if (-1 != dev->vbi_dev->minor)
1798                         video_unregister_device(dev->vbi_dev);
1799                 else
1800                         video_device_release(dev->vbi_dev);
1801                 dev->vbi_dev = NULL;
1802         }
1803         if (dev->video_dev) {
1804                 if (-1 != dev->video_dev->minor)
1805                         video_unregister_device(dev->video_dev);
1806                 else
1807                         video_device_release(dev->video_dev);
1808                 dev->video_dev = NULL;
1809         }
1810 }
1811
1812 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1813                                     const struct pci_device_id *pci_id)
1814 {
1815         struct cx8800_dev *dev;
1816         struct cx88_core *core;
1817
1818         int err;
1819
1820         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1821         if (NULL == dev)
1822                 return -ENOMEM;
1823
1824         /* pci init */
1825         dev->pci = pci_dev;
1826         if (pci_enable_device(pci_dev)) {
1827                 err = -EIO;
1828                 goto fail_free;
1829         }
1830         core = cx88_core_get(dev->pci);
1831         if (NULL == core) {
1832                 err = -EINVAL;
1833                 goto fail_free;
1834         }
1835         dev->core = core;
1836
1837         /* print pci info */
1838         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1839         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1840         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1841                "latency: %d, mmio: 0x%llx\n", core->name,
1842                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1843                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1844
1845         pci_set_master(pci_dev);
1846         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1847                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1848                 err = -EIO;
1849                 goto fail_core;
1850         }
1851
1852         /* Initialize VBI template */
1853         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1854                 sizeof(cx8800_vbi_template) );
1855         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1856
1857         /* initialize driver struct */
1858         spin_lock_init(&dev->slock);
1859         core->tvnorm = cx8800_video_template.current_norm;
1860
1861         /* init video dma queues */
1862         INIT_LIST_HEAD(&dev->vidq.active);
1863         INIT_LIST_HEAD(&dev->vidq.queued);
1864         dev->vidq.timeout.function = cx8800_vid_timeout;
1865         dev->vidq.timeout.data     = (unsigned long)dev;
1866         init_timer(&dev->vidq.timeout);
1867         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1868                           MO_VID_DMACNTRL,0x11,0x00);
1869
1870         /* init vbi dma queues */
1871         INIT_LIST_HEAD(&dev->vbiq.active);
1872         INIT_LIST_HEAD(&dev->vbiq.queued);
1873         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1874         dev->vbiq.timeout.data     = (unsigned long)dev;
1875         init_timer(&dev->vbiq.timeout);
1876         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1877                           MO_VID_DMACNTRL,0x88,0x00);
1878
1879         /* get irq */
1880         err = request_irq(pci_dev->irq, cx8800_irq,
1881                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1882         if (err < 0) {
1883                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1884                        core->name,pci_dev->irq);
1885                 goto fail_core;
1886         }
1887         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1888
1889         /* load and configure helper modules */
1890
1891         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1892                 request_module("wm8775");
1893
1894         switch (core->boardnr) {
1895         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1896         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1897                 request_module("rtc-isl1208");
1898                 /* break intentionally omitted */
1899         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1900                 request_module("ir-kbd-i2c");
1901         }
1902
1903         /* register v4l devices */
1904         dev->video_dev = cx88_vdev_init(core,dev->pci,
1905                                         &cx8800_video_template,"video");
1906         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1907                                     video_nr[core->nr]);
1908         if (err < 0) {
1909                 printk(KERN_ERR "%s/0: can't register video device\n",
1910                        core->name);
1911                 goto fail_unreg;
1912         }
1913         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1914                core->name,dev->video_dev->minor & 0x1f);
1915
1916         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1917         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1918                                     vbi_nr[core->nr]);
1919         if (err < 0) {
1920                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1921                        core->name);
1922                 goto fail_unreg;
1923         }
1924         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1925                core->name,dev->vbi_dev->minor & 0x1f);
1926
1927         if (core->board.radio.type == CX88_RADIO) {
1928                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1929                                                 &cx8800_radio_template,"radio");
1930                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1931                                             radio_nr[core->nr]);
1932                 if (err < 0) {
1933                         printk(KERN_ERR "%s/0: can't register radio device\n",
1934                                core->name);
1935                         goto fail_unreg;
1936                 }
1937                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1938                        core->name,dev->radio_dev->minor & 0x1f);
1939         }
1940
1941         /* everything worked */
1942         list_add_tail(&dev->devlist,&cx8800_devlist);
1943         pci_set_drvdata(pci_dev,dev);
1944
1945         /* initial device configuration */
1946         mutex_lock(&core->lock);
1947         cx88_set_tvnorm(core,core->tvnorm);
1948         init_controls(core);
1949         cx88_video_mux(core,0);
1950         mutex_unlock(&core->lock);
1951
1952         /* start tvaudio thread */
1953         if (core->board.tuner_type != TUNER_ABSENT) {
1954                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1955                 if (IS_ERR(core->kthread)) {
1956                         err = PTR_ERR(core->kthread);
1957                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1958                                core->name, err);
1959                 }
1960         }
1961         return 0;
1962
1963 fail_unreg:
1964         cx8800_unregister_video(dev);
1965         free_irq(pci_dev->irq, dev);
1966 fail_core:
1967         cx88_core_put(core,dev->pci);
1968 fail_free:
1969         kfree(dev);
1970         return err;
1971 }
1972
1973 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1974 {
1975         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1976         struct cx88_core *core = dev->core;
1977
1978         /* stop thread */
1979         if (core->kthread) {
1980                 kthread_stop(core->kthread);
1981                 core->kthread = NULL;
1982         }
1983
1984         if (core->ir)
1985                 cx88_ir_stop(core, core->ir);
1986
1987         cx88_shutdown(core); /* FIXME */
1988         pci_disable_device(pci_dev);
1989
1990         /* unregister stuff */
1991
1992         free_irq(pci_dev->irq, dev);
1993         cx8800_unregister_video(dev);
1994         pci_set_drvdata(pci_dev, NULL);
1995
1996         /* free memory */
1997         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1998         list_del(&dev->devlist);
1999         cx88_core_put(core,dev->pci);
2000         kfree(dev);
2001 }
2002
2003 #ifdef CONFIG_PM
2004 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2005 {
2006         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2007         struct cx88_core *core = dev->core;
2008
2009         /* stop video+vbi capture */
2010         spin_lock(&dev->slock);
2011         if (!list_empty(&dev->vidq.active)) {
2012                 printk("%s/0: suspend video\n", core->name);
2013                 stop_video_dma(dev);
2014                 del_timer(&dev->vidq.timeout);
2015         }
2016         if (!list_empty(&dev->vbiq.active)) {
2017                 printk("%s/0: suspend vbi\n", core->name);
2018                 cx8800_stop_vbi_dma(dev);
2019                 del_timer(&dev->vbiq.timeout);
2020         }
2021         spin_unlock(&dev->slock);
2022
2023         if (core->ir)
2024                 cx88_ir_stop(core, core->ir);
2025         /* FIXME -- shutdown device */
2026         cx88_shutdown(core);
2027
2028         pci_save_state(pci_dev);
2029         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2030                 pci_disable_device(pci_dev);
2031                 dev->state.disabled = 1;
2032         }
2033         return 0;
2034 }
2035
2036 static int cx8800_resume(struct pci_dev *pci_dev)
2037 {
2038         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2039         struct cx88_core *core = dev->core;
2040         int err;
2041
2042         if (dev->state.disabled) {
2043                 err=pci_enable_device(pci_dev);
2044                 if (err) {
2045                         printk(KERN_ERR "%s/0: can't enable device\n",
2046                                core->name);
2047                         return err;
2048                 }
2049
2050                 dev->state.disabled = 0;
2051         }
2052         err= pci_set_power_state(pci_dev, PCI_D0);
2053         if (err) {
2054                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2055                 pci_disable_device(pci_dev);
2056                 dev->state.disabled = 1;
2057
2058                 return err;
2059         }
2060         pci_restore_state(pci_dev);
2061
2062         /* FIXME: re-initialize hardware */
2063         cx88_reset(core);
2064         if (core->ir)
2065                 cx88_ir_start(core, core->ir);
2066
2067         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2068
2069         /* restart video+vbi capture */
2070         spin_lock(&dev->slock);
2071         if (!list_empty(&dev->vidq.active)) {
2072                 printk("%s/0: resume video\n", core->name);
2073                 restart_video_queue(dev,&dev->vidq);
2074         }
2075         if (!list_empty(&dev->vbiq.active)) {
2076                 printk("%s/0: resume vbi\n", core->name);
2077                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2078         }
2079         spin_unlock(&dev->slock);
2080
2081         return 0;
2082 }
2083 #endif
2084
2085 /* ----------------------------------------------------------- */
2086
2087 static struct pci_device_id cx8800_pci_tbl[] = {
2088         {
2089                 .vendor       = 0x14f1,
2090                 .device       = 0x8800,
2091                 .subvendor    = PCI_ANY_ID,
2092                 .subdevice    = PCI_ANY_ID,
2093         },{
2094                 /* --- end of list --- */
2095         }
2096 };
2097 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2098
2099 static struct pci_driver cx8800_pci_driver = {
2100         .name     = "cx8800",
2101         .id_table = cx8800_pci_tbl,
2102         .probe    = cx8800_initdev,
2103         .remove   = __devexit_p(cx8800_finidev),
2104 #ifdef CONFIG_PM
2105         .suspend  = cx8800_suspend,
2106         .resume   = cx8800_resume,
2107 #endif
2108 };
2109
2110 static int cx8800_init(void)
2111 {
2112         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2113                (CX88_VERSION_CODE >> 16) & 0xff,
2114                (CX88_VERSION_CODE >>  8) & 0xff,
2115                CX88_VERSION_CODE & 0xff);
2116 #ifdef SNAPSHOT
2117         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2118                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2119 #endif
2120         return pci_register_driver(&cx8800_pci_driver);
2121 }
2122
2123 static void cx8800_fini(void)
2124 {
2125         pci_unregister_driver(&cx8800_pci_driver);
2126 }
2127
2128 module_init(cx8800_init);
2129 module_exit(cx8800_fini);
2130
2131 /* ----------------------------------------------------------- */
2132 /*
2133  * Local variables:
2134  * c-basic-offset: 8
2135  * End:
2136  * 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
2137  */