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  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/moduleparam.h>
  27 #include <linux/kmod.h>
  28 #include <linux/kernel.h>
  29 #include <linux/slab.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/delay.h>
  32 #include <linux/kthread.h>
  33 #include <asm/div64.h>
  34
  35 #include "cx88.h"
  36 #include <media/v4l2-common.h>
  37
  38 #ifdef CONFIG_VIDEO_V4L1_COMPAT
  39 /* Include V4L1 specific functions. Should be removed soon */
  40 #include <linux/videodev.h>
  41 #endif
  42
  43 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  44 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  45 MODULE_LICENSE("GPL");
  46
  47 /* ------------------------------------------------------------------ */
  48
  49 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  50 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  51 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52
  53 module_param_array(video_nr, int, NULL, 0444);
  54 module_param_array(vbi_nr,   int, NULL, 0444);
  55 module_param_array(radio_nr, int, NULL, 0444);
  56
  57 MODULE_PARM_DESC(video_nr,"video device numbers");
  58 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  59 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  60
  61 static unsigned int video_debug = 0;
  62 module_param(video_debug,int,0644);
  63 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  64
  65 static unsigned int irq_debug = 0;
  66 module_param(irq_debug,int,0644);
  67 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  68
  69 static unsigned int vid_limit = 16;
  70 module_param(vid_limit,int,0644);
  71 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  72
  73 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  74         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  75
  76 /* ------------------------------------------------------------------ */
  77
  78 static LIST_HEAD(cx8800_devlist);
  79
  80 /* ------------------------------------------------------------------- */
  81 /* static data                                                         */
  82
  83 static struct cx88_tvnorm tvnorms[] = {
  84         {
  85                 .name      = "NTSC-M",
  86                 .id        = V4L2_STD_NTSC_M,
  87                 .cxiformat = VideoFormatNTSC,
  88                 .cxoformat = 0x181f0008,
  89         },{
  90                 .name      = "NTSC-JP",
  91                 .id        = V4L2_STD_NTSC_M_JP,
  92                 .cxiformat = VideoFormatNTSCJapan,
  93                 .cxoformat = 0x181f0008,
  94         },{
  95                 .name      = "PAL-BG",
  96                 .id        = V4L2_STD_PAL_BG,
  97                 .cxiformat = VideoFormatPAL,
  98                 .cxoformat = 0x181f0008,
  99         },{
 100                 .name      = "PAL-DK",
 101                 .id        = V4L2_STD_PAL_DK,
 102                 .cxiformat = VideoFormatPAL,
 103                 .cxoformat = 0x181f0008,
 104         },{
 105                 .name      = "PAL-I",
 106                 .id        = V4L2_STD_PAL_I,
 107                 .cxiformat = VideoFormatPAL,
 108                 .cxoformat = 0x181f0008,
 109         },{
 110                 .name      = "PAL-M",
 111                 .id        = V4L2_STD_PAL_M,
 112                 .cxiformat = VideoFormatPALM,
 113                 .cxoformat = 0x1c1f0008,
 114         },{
 115                 .name      = "PAL-N",
 116                 .id        = V4L2_STD_PAL_N,
 117                 .cxiformat = VideoFormatPALN,
 118                 .cxoformat = 0x1c1f0008,
 119         },{
 120                 .name      = "PAL-Nc",
 121                 .id        = V4L2_STD_PAL_Nc,
 122                 .cxiformat = VideoFormatPALNC,
 123                 .cxoformat = 0x1c1f0008,
 124         },{
 125                 .name      = "PAL-60",
 126                 .id        = V4L2_STD_PAL_60,
 127                 .cxiformat = VideoFormatPAL60,
 128                 .cxoformat = 0x181f0008,
 129         },{
 130                 .name      = "SECAM-L",
 131                 .id        = V4L2_STD_SECAM_L,
 132                 .cxiformat = VideoFormatSECAM,
 133                 .cxoformat = 0x181f0008,
 134         },{
 135                 .name      = "SECAM-DK",
 136                 .id        = V4L2_STD_SECAM_DK,
 137                 .cxiformat = VideoFormatSECAM,
 138                 .cxoformat = 0x181f0008,
 139         }
 140 };
 141
 142 static struct cx8800_fmt formats[] = {
 143         {
 144                 .name     = "8 bpp, gray",
 145                 .fourcc   = V4L2_PIX_FMT_GREY,
 146                 .cxformat = ColorFormatY8,
 147                 .depth    = 8,
 148                 .flags    = FORMAT_FLAGS_PACKED,
 149         },{
 150                 .name     = "15 bpp RGB, le",
 151                 .fourcc   = V4L2_PIX_FMT_RGB555,
 152                 .cxformat = ColorFormatRGB15,
 153                 .depth    = 16,
 154                 .flags    = FORMAT_FLAGS_PACKED,
 155         },{
 156                 .name     = "15 bpp RGB, be",
 157                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 158                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 159                 .depth    = 16,
 160                 .flags    = FORMAT_FLAGS_PACKED,
 161         },{
 162                 .name     = "16 bpp RGB, le",
 163                 .fourcc   = V4L2_PIX_FMT_RGB565,
 164                 .cxformat = ColorFormatRGB16,
 165                 .depth    = 16,
 166                 .flags    = FORMAT_FLAGS_PACKED,
 167         },{
 168                 .name     = "16 bpp RGB, be",
 169                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 170                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 171                 .depth    = 16,
 172                 .flags    = FORMAT_FLAGS_PACKED,
 173         },{
 174                 .name     = "24 bpp RGB, le",
 175                 .fourcc   = V4L2_PIX_FMT_BGR24,
 176                 .cxformat = ColorFormatRGB24,
 177                 .depth    = 24,
 178                 .flags    = FORMAT_FLAGS_PACKED,
 179         },{
 180                 .name     = "32 bpp RGB, le",
 181                 .fourcc   = V4L2_PIX_FMT_BGR32,
 182                 .cxformat = ColorFormatRGB32,
 183                 .depth    = 32,
 184                 .flags    = FORMAT_FLAGS_PACKED,
 185         },{
 186                 .name     = "32 bpp RGB, be",
 187                 .fourcc   = V4L2_PIX_FMT_RGB32,
 188                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 189                 .depth    = 32,
 190                 .flags    = FORMAT_FLAGS_PACKED,
 191         },{
 192                 .name     = "4:2:2, packed, YUYV",
 193                 .fourcc   = V4L2_PIX_FMT_YUYV,
 194                 .cxformat = ColorFormatYUY2,
 195                 .depth    = 16,
 196                 .flags    = FORMAT_FLAGS_PACKED,
 197         },{
 198                 .name     = "4:2:2, packed, UYVY",
 199                 .fourcc   = V4L2_PIX_FMT_UYVY,
 200                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 201                 .depth    = 16,
 202                 .flags    = FORMAT_FLAGS_PACKED,
 203         },
 204 };
 205
 206 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 207 {
 208         unsigned int i;
 209
 210         for (i = 0; i < ARRAY_SIZE(formats); i++)
 211                 if (formats[i].fourcc == fourcc)
 212                         return formats+i;
 213         return NULL;
 214 }
 215
 216 /* ------------------------------------------------------------------- */
 217
 218 static const struct v4l2_queryctrl no_ctl = {
 219         .name  = "42",
 220         .flags = V4L2_CTRL_FLAG_DISABLED,
 221 };
 222
 223 static struct cx88_ctrl cx8800_ctls[] = {
 224         /* --- video --- */
 225         {
 226                 .v = {
 227                         .id            = V4L2_CID_BRIGHTNESS,
 228                         .name          = "Brightness",
 229                         .minimum       = 0x00,
 230                         .maximum       = 0xff,
 231                         .step          = 1,
 232                         .default_value = 0x7f,
 233                         .type          = V4L2_CTRL_TYPE_INTEGER,
 234                 },
 235                 .off                   = 128,
 236                 .reg                   = MO_CONTR_BRIGHT,
 237                 .mask                  = 0x00ff,
 238                 .shift                 = 0,
 239         },{
 240                 .v = {
 241                         .id            = V4L2_CID_CONTRAST,
 242                         .name          = "Contrast",
 243                         .minimum       = 0,
 244                         .maximum       = 0xff,
 245                         .step          = 1,
 246                         .default_value = 0x3f,
 247                         .type          = V4L2_CTRL_TYPE_INTEGER,
 248                 },
 249                 .off                   = 0,
 250                 .reg                   = MO_CONTR_BRIGHT,
 251                 .mask                  = 0xff00,
 252                 .shift                 = 8,
 253         },{
 254                 .v = {
 255                         .id            = V4L2_CID_HUE,
 256                         .name          = "Hue",
 257                         .minimum       = 0,
 258                         .maximum       = 0xff,
 259                         .step          = 1,
 260                         .default_value = 0x7f,
 261                         .type          = V4L2_CTRL_TYPE_INTEGER,
 262                 },
 263                 .off                   = 128,
 264                 .reg                   = MO_HUE,
 265                 .mask                  = 0x00ff,
 266                 .shift                 = 0,
 267         },{
 268                 /* strictly, this only describes only U saturation.
 269                  * V saturation is handled specially through code.
 270                  */
 271                 .v = {
 272                         .id            = V4L2_CID_SATURATION,
 273                         .name          = "Saturation",
 274                         .minimum       = 0,
 275                         .maximum       = 0xff,
 276                         .step          = 1,
 277                         .default_value = 0x7f,
 278                         .type          = V4L2_CTRL_TYPE_INTEGER,
 279                 },
 280                 .off                   = 0,
 281                 .reg                   = MO_UV_SATURATION,
 282                 .mask                  = 0x00ff,
 283                 .shift                 = 0,
 284         },{
 285         /* --- audio --- */
 286                 .v = {
 287                         .id            = V4L2_CID_AUDIO_MUTE,
 288                         .name          = "Mute",
 289                         .minimum       = 0,
 290                         .maximum       = 1,
 291                         .default_value = 1,
 292                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 293                 },
 294                 .reg                   = AUD_VOL_CTL,
 295                 .sreg                  = SHADOW_AUD_VOL_CTL,
 296                 .mask                  = (1 << 6),
 297                 .shift                 = 6,
 298         },{
 299                 .v = {
 300                         .id            = V4L2_CID_AUDIO_VOLUME,
 301                         .name          = "Volume",
 302                         .minimum       = 0,
 303                         .maximum       = 0x3f,
 304                         .step          = 1,
 305                         .default_value = 0x3f,
 306                         .type          = V4L2_CTRL_TYPE_INTEGER,
 307                 },
 308                 .reg                   = AUD_VOL_CTL,
 309                 .sreg                  = SHADOW_AUD_VOL_CTL,
 310                 .mask                  = 0x3f,
 311                 .shift                 = 0,
 312         },{
 313                 .v = {
 314                         .id            = V4L2_CID_AUDIO_BALANCE,
 315                         .name          = "Balance",
 316                         .minimum       = 0,
 317                         .maximum       = 0x7f,
 318                         .step          = 1,
 319                         .default_value = 0x40,
 320                         .type          = V4L2_CTRL_TYPE_INTEGER,
 321                 },
 322                 .reg                   = AUD_BAL_CTL,
 323                 .sreg                  = SHADOW_AUD_BAL_CTL,
 324                 .mask                  = 0x7f,
 325                 .shift                 = 0,
 326         }
 327 };
 328 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 329
 330 const u32 cx88_user_ctrls[] = {
 331         V4L2_CID_USER_CLASS,
 332         V4L2_CID_BRIGHTNESS,
 333         V4L2_CID_CONTRAST,
 334         V4L2_CID_SATURATION,
 335         V4L2_CID_HUE,
 336         V4L2_CID_AUDIO_VOLUME,
 337         V4L2_CID_AUDIO_BALANCE,
 338         V4L2_CID_AUDIO_MUTE,
 339         0
 340 };
 341 EXPORT_SYMBOL(cx88_user_ctrls);
 342
 343 static const u32 *ctrl_classes[] = {
 344         cx88_user_ctrls,
 345         NULL
 346 };
 347
 348 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
 349 {
 350         int i;
 351
 352         if (qctrl->id < V4L2_CID_BASE ||
 353             qctrl->id >= V4L2_CID_LASTP1)
 354                 return -EINVAL;
 355         for (i = 0; i < CX8800_CTLS; i++)
 356                 if (cx8800_ctls[i].v.id == qctrl->id)
 357                         break;
 358         if (i == CX8800_CTLS) {
 359                 *qctrl = no_ctl;
 360                 return 0;
 361         }
 362         *qctrl = cx8800_ctls[i].v;
 363         return 0;
 364 }
 365 EXPORT_SYMBOL(cx8800_ctrl_query);
 366
 367 static int cx88_queryctrl(struct v4l2_queryctrl *qctrl)
 368 {
 369         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 370         if (qctrl->id == 0)
 371                 return -EINVAL;
 372         return cx8800_ctrl_query(qctrl);
 373 }
 374
 375 /* ------------------------------------------------------------------- */
 376 /* resource management                                                 */
 377
 378 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 379 {
 380         struct cx88_core *core = dev->core;
 381         if (fh->resources & bit)
 382                 /* have it already allocated */
 383                 return 1;
 384
 385         /* is it free? */
 386         mutex_lock(&core->lock);
 387         if (dev->resources & bit) {
 388                 /* no, someone else uses it */
 389                 mutex_unlock(&core->lock);
 390                 return 0;
 391         }
 392         /* it's free, grab it */
 393         fh->resources  |= bit;
 394         dev->resources |= bit;
 395         dprintk(1,"res: get %d\n",bit);
 396         mutex_unlock(&core->lock);
 397         return 1;
 398 }
 399
 400 static
 401 int res_check(struct cx8800_fh *fh, unsigned int bit)
 402 {
 403         return (fh->resources & bit);
 404 }
 405
 406 static
 407 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 408 {
 409         return (dev->resources & bit);
 410 }
 411
 412 static
 413 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 414 {
 415         struct cx88_core *core = dev->core;
 416         BUG_ON((fh->resources & bits) != bits);
 417
 418         mutex_lock(&core->lock);
 419         fh->resources  &= ~bits;
 420         dev->resources &= ~bits;
 421         dprintk(1,"res: put %d\n",bits);
 422         mutex_unlock(&core->lock);
 423 }
 424
 425 /* ------------------------------------------------------------------ */
 426
 427 /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */
 428 static int video_mux(struct cx88_core *core, unsigned int input)
 429 {
 430         /* struct cx88_core *core = dev->core; */
 431
 432         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 433                 input, INPUT(input)->vmux,
 434                 INPUT(input)->gpio0,INPUT(input)->gpio1,
 435                 INPUT(input)->gpio2,INPUT(input)->gpio3);
 436         core->input = input;
 437         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
 438         cx_write(MO_GP3_IO, INPUT(input)->gpio3);
 439         cx_write(MO_GP0_IO, INPUT(input)->gpio0);
 440         cx_write(MO_GP1_IO, INPUT(input)->gpio1);
 441         cx_write(MO_GP2_IO, INPUT(input)->gpio2);
 442
 443         switch (INPUT(input)->type) {
 444         case CX88_VMUX_SVIDEO:
 445                 cx_set(MO_AFECFG_IO,    0x00000001);
 446                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 447                 cx_set(MO_FILTER_EVEN,  0x00002020);
 448                 cx_set(MO_FILTER_ODD,   0x00002020);
 449                 break;
 450         default:
 451                 cx_clear(MO_AFECFG_IO,    0x00000001);
 452                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 453                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 454                 cx_clear(MO_FILTER_ODD,   0x00002020);
 455                 break;
 456         }
 457         return 0;
 458 }
 459
 460 /* ------------------------------------------------------------------ */
 461
 462 static int start_video_dma(struct cx8800_dev    *dev,
 463                            struct cx88_dmaqueue *q,
 464                            struct cx88_buffer   *buf)
 465 {
 466         struct cx88_core *core = dev->core;
 467
 468         /* setup fifo + format */
 469         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 470                                 buf->bpl, buf->risc.dma);
 471         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 472         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 473
 474         /* reset counter */
 475         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 476         q->count = 1;
 477
 478         /* enable irqs */
 479         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
 480
 481         /* Enables corresponding bits at PCI_INT_STAT:
 482                 bits 0 to 4: video, audio, transport stream, VIP, Host
 483                 bit 7: timer
 484                 bits 8 and 9: DMA complete for: SRC, DST
 485                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 486                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 487          */
 488         cx_set(MO_VID_INTMSK, 0x0f0011);
 489
 490         /* enable capture */
 491         cx_set(VID_CAPTURE_CONTROL,0x06);
 492
 493         /* start dma */
 494         cx_set(MO_DEV_CNTRL2, (1<<5));
 495         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 496
 497         return 0;
 498 }
 499
 500 #ifdef CONFIG_PM
 501 static int stop_video_dma(struct cx8800_dev    *dev)
 502 {
 503         struct cx88_core *core = dev->core;
 504
 505         /* stop dma */
 506         cx_clear(MO_VID_DMACNTRL, 0x11);
 507
 508         /* disable capture */
 509         cx_clear(VID_CAPTURE_CONTROL,0x06);
 510
 511         /* disable irqs */
 512         cx_clear(MO_PCI_INTMSK, 0x000001);
 513         cx_clear(MO_VID_INTMSK, 0x0f0011);
 514         return 0;
 515 }
 516 #endif
 517
 518 static int restart_video_queue(struct cx8800_dev    *dev,
 519                                struct cx88_dmaqueue *q)
 520 {
 521         struct cx88_core *core = dev->core;
 522         struct cx88_buffer *buf, *prev;
 523         struct list_head *item;
 524
 525         if (!list_empty(&q->active)) {
 526                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 527                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 528                         buf, buf->vb.i);
 529                 start_video_dma(dev, q, buf);
 530                 list_for_each(item,&q->active) {
 531                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 532                         buf->count    = q->count++;
 533                 }
 534                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 535                 return 0;
 536         }
 537
 538         prev = NULL;
 539         for (;;) {
 540                 if (list_empty(&q->queued))
 541                         return 0;
 542                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 543                 if (NULL == prev) {
 544                         list_move_tail(&buf->vb.queue, &q->active);
 545                         start_video_dma(dev, q, buf);
 546                         buf->vb.state = STATE_ACTIVE;
 547                         buf->count    = q->count++;
 548                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 549                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 550                                 buf,buf->vb.i);
 551
 552                 } else if (prev->vb.width  == buf->vb.width  &&
 553                            prev->vb.height == buf->vb.height &&
 554                            prev->fmt       == buf->fmt) {
 555                         list_move_tail(&buf->vb.queue, &q->active);
 556                         buf->vb.state = STATE_ACTIVE;
 557                         buf->count    = q->count++;
 558                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 559                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 560                                 buf,buf->vb.i);
 561                 } else {
 562                         return 0;
 563                 }
 564                 prev = buf;
 565         }
 566 }
 567
 568 /* ------------------------------------------------------------------ */
 569
 570 static int
 571 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 572 {
 573         struct cx8800_fh *fh = q->priv_data;
 574
 575         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 576         if (0 == *count)
 577                 *count = 32;
 578         while (*size * *count > vid_limit * 1024 * 1024)
 579                 (*count)--;
 580         return 0;
 581 }
 582
 583 static int
 584 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 585                enum v4l2_field field)
 586 {
 587         struct cx8800_fh   *fh  = q->priv_data;
 588         struct cx8800_dev  *dev = fh->dev;
 589         struct cx88_core *core = dev->core;
 590         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 591         int rc, init_buffer = 0;
 592
 593         BUG_ON(NULL == fh->fmt);
 594         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 595             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 596                 return -EINVAL;
 597         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 598         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 599                 return -EINVAL;
 600
 601         if (buf->fmt       != fh->fmt    ||
 602             buf->vb.width  != fh->width  ||
 603             buf->vb.height != fh->height ||
 604             buf->vb.field  != field) {
 605                 buf->fmt       = fh->fmt;
 606                 buf->vb.width  = fh->width;
 607                 buf->vb.height = fh->height;
 608                 buf->vb.field  = field;
 609                 init_buffer = 1;
 610         }
 611
 612         if (STATE_NEEDS_INIT == buf->vb.state) {
 613                 init_buffer = 1;
 614                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 615                         goto fail;
 616         }
 617
 618         if (init_buffer) {
 619                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 620                 switch (buf->vb.field) {
 621                 case V4L2_FIELD_TOP:
 622                         cx88_risc_buffer(dev->pci, &buf->risc,
 623                                          buf->vb.dma.sglist, 0, UNSET,
 624                                          buf->bpl, 0, buf->vb.height);
 625                         break;
 626                 case V4L2_FIELD_BOTTOM:
 627                         cx88_risc_buffer(dev->pci, &buf->risc,
 628                                          buf->vb.dma.sglist, UNSET, 0,
 629                                          buf->bpl, 0, buf->vb.height);
 630                         break;
 631                 case V4L2_FIELD_INTERLACED:
 632                         cx88_risc_buffer(dev->pci, &buf->risc,
 633                                          buf->vb.dma.sglist, 0, buf->bpl,
 634                                          buf->bpl, buf->bpl,
 635                                          buf->vb.height >> 1);
 636                         break;
 637                 case V4L2_FIELD_SEQ_TB:
 638                         cx88_risc_buffer(dev->pci, &buf->risc,
 639                                          buf->vb.dma.sglist,
 640                                          0, buf->bpl * (buf->vb.height >> 1),
 641                                          buf->bpl, 0,
 642                                          buf->vb.height >> 1);
 643                         break;
 644                 case V4L2_FIELD_SEQ_BT:
 645                         cx88_risc_buffer(dev->pci, &buf->risc,
 646                                          buf->vb.dma.sglist,
 647                                          buf->bpl * (buf->vb.height >> 1), 0,
 648                                          buf->bpl, 0,
 649                                          buf->vb.height >> 1);
 650                         break;
 651                 default:
 652                         BUG();
 653                 }
 654         }
 655         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 656                 buf, buf->vb.i,
 657                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 658                 (unsigned long)buf->risc.dma);
 659
 660         buf->vb.state = STATE_PREPARED;
 661         return 0;
 662
 663  fail:
 664         cx88_free_buffer(q,buf);
 665         return rc;
 666 }
 667
 668 static void
 669 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 670 {
 671         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 672         struct cx88_buffer    *prev;
 673         struct cx8800_fh      *fh   = vq->priv_data;
 674         struct cx8800_dev     *dev  = fh->dev;
 675         struct cx88_core      *core = dev->core;
 676         struct cx88_dmaqueue  *q    = &dev->vidq;
 677
 678         /* add jump to stopper */
 679         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 680         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 681
 682         if (!list_empty(&q->queued)) {
 683                 list_add_tail(&buf->vb.queue,&q->queued);
 684                 buf->vb.state = STATE_QUEUED;
 685                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 686                         buf, buf->vb.i);
 687
 688         } else if (list_empty(&q->active)) {
 689                 list_add_tail(&buf->vb.queue,&q->active);
 690                 start_video_dma(dev, q, buf);
 691                 buf->vb.state = STATE_ACTIVE;
 692                 buf->count    = q->count++;
 693                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 694                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 695                         buf, buf->vb.i);
 696
 697         } else {
 698                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 699                 if (prev->vb.width  == buf->vb.width  &&
 700                     prev->vb.height == buf->vb.height &&
 701                     prev->fmt       == buf->fmt) {
 702                         list_add_tail(&buf->vb.queue,&q->active);
 703                         buf->vb.state = STATE_ACTIVE;
 704                         buf->count    = q->count++;
 705                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 706                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 707                                 buf, buf->vb.i);
 708
 709                 } else {
 710                         list_add_tail(&buf->vb.queue,&q->queued);
 711                         buf->vb.state = STATE_QUEUED;
 712                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 713                                 buf, buf->vb.i);
 714                 }
 715         }
 716 }
 717
 718 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 719 {
 720         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 721
 722         cx88_free_buffer(q,buf);
 723 }
 724
 725 static struct videobuf_queue_ops cx8800_video_qops = {
 726         .buf_setup    = buffer_setup,
 727         .buf_prepare  = buffer_prepare,
 728         .buf_queue    = buffer_queue,
 729         .buf_release  = buffer_release,
 730 };
 731
 732 /* ------------------------------------------------------------------ */
 733
 734
 735 /* ------------------------------------------------------------------ */
 736
 737 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 738 {
 739         switch (fh->type) {
 740         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 741                 return &fh->vidq;
 742         case V4L2_BUF_TYPE_VBI_CAPTURE:
 743                 return &fh->vbiq;
 744         default:
 745                 BUG();
 746                 return NULL;
 747         }
 748 }
 749
 750 static int get_ressource(struct cx8800_fh *fh)
 751 {
 752         switch (fh->type) {
 753         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 754                 return RESOURCE_VIDEO;
 755         case V4L2_BUF_TYPE_VBI_CAPTURE:
 756                 return RESOURCE_VBI;
 757         default:
 758                 BUG();
 759                 return 0;
 760         }
 761 }
 762
 763 static int video_open(struct inode *inode, struct file *file)
 764 {
 765         int minor = iminor(inode);
 766         struct cx8800_dev *h,*dev = NULL;
 767         struct cx88_core *core;
 768         struct cx8800_fh *fh;
 769         struct list_head *list;
 770         enum v4l2_buf_type type = 0;
 771         int radio = 0;
 772
 773         list_for_each(list,&cx8800_devlist) {
 774                 h = list_entry(list, struct cx8800_dev, devlist);
 775                 if (h->video_dev->minor == minor) {
 776                         dev  = h;
 777                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 778                 }
 779                 if (h->vbi_dev->minor == minor) {
 780                         dev  = h;
 781                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 782                 }
 783                 if (h->radio_dev &&
 784                     h->radio_dev->minor == minor) {
 785                         radio = 1;
 786                         dev   = h;
 787                 }
 788         }
 789         if (NULL == dev)
 790                 return -ENODEV;
 791
 792         core = dev->core;
 793
 794         dprintk(1,"open minor=%d radio=%d type=%s\n",
 795                 minor,radio,v4l2_type_names[type]);
 796
 797         /* allocate + initialize per filehandle data */
 798         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 799         if (NULL == fh)
 800                 return -ENOMEM;
 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_init(&fh->vidq, &cx8800_video_qops,
 810                             dev->pci, &dev->slock,
 811                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 812                             V4L2_FIELD_INTERLACED,
 813                             sizeof(struct cx88_buffer),
 814                             fh);
 815         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 816                             dev->pci, &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                 int board = core->board;
 824                 dprintk(1,"video_open: setting radio device\n");
 825                 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
 826                 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
 827                 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
 828                 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
 829                 core->tvaudio = WW_FM;
 830                 cx88_set_tvaudio(core);
 831                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 832                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 833         }
 834
 835         return 0;
 836 }
 837
 838 static ssize_t
 839 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 840 {
 841         struct cx8800_fh *fh = file->private_data;
 842
 843         switch (fh->type) {
 844         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 845                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 846                         return -EBUSY;
 847                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 848                                          file->f_flags & O_NONBLOCK);
 849         case V4L2_BUF_TYPE_VBI_CAPTURE:
 850                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 851                         return -EBUSY;
 852                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 853                                             file->f_flags & O_NONBLOCK);
 854         default:
 855                 BUG();
 856                 return 0;
 857         }
 858 }
 859
 860 static unsigned int
 861 video_poll(struct file *file, struct poll_table_struct *wait)
 862 {
 863         struct cx8800_fh *fh = file->private_data;
 864         struct cx88_buffer *buf;
 865
 866         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 867                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 868                         return POLLERR;
 869                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 870         }
 871
 872         if (res_check(fh,RESOURCE_VIDEO)) {
 873                 /* streaming capture */
 874                 if (list_empty(&fh->vidq.stream))
 875                         return POLLERR;
 876                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 877         } else {
 878                 /* read() capture */
 879                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 880                 if (NULL == buf)
 881                         return POLLERR;
 882         }
 883         poll_wait(file, &buf->vb.done, wait);
 884         if (buf->vb.state == STATE_DONE ||
 885             buf->vb.state == STATE_ERROR)
 886                 return POLLIN|POLLRDNORM;
 887         return 0;
 888 }
 889
 890 static int video_release(struct inode *inode, struct file *file)
 891 {
 892         struct cx8800_fh  *fh  = file->private_data;
 893         struct cx8800_dev *dev = fh->dev;
 894
 895         /* turn off overlay */
 896         if (res_check(fh, RESOURCE_OVERLAY)) {
 897                 /* FIXME */
 898                 res_free(dev,fh,RESOURCE_OVERLAY);
 899         }
 900
 901         /* stop video capture */
 902         if (res_check(fh, RESOURCE_VIDEO)) {
 903                 videobuf_queue_cancel(&fh->vidq);
 904                 res_free(dev,fh,RESOURCE_VIDEO);
 905         }
 906         if (fh->vidq.read_buf) {
 907                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 908                 kfree(fh->vidq.read_buf);
 909         }
 910
 911         /* stop vbi capture */
 912         if (res_check(fh, RESOURCE_VBI)) {
 913                 if (fh->vbiq.streaming)
 914                         videobuf_streamoff(&fh->vbiq);
 915                 if (fh->vbiq.reading)
 916                         videobuf_read_stop(&fh->vbiq);
 917                 res_free(dev,fh,RESOURCE_VBI);
 918         }
 919
 920         videobuf_mmap_free(&fh->vidq);
 921         videobuf_mmap_free(&fh->vbiq);
 922         file->private_data = NULL;
 923         kfree(fh);
 924
 925         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 926
 927         return 0;
 928 }
 929
 930 static int
 931 video_mmap(struct file *file, struct vm_area_struct * vma)
 932 {
 933         struct cx8800_fh *fh = file->private_data;
 934
 935         return videobuf_mmap_mapper(get_queue(fh), vma);
 936 }
 937
 938 /* ------------------------------------------------------------------ */
 939
 940 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 941 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
 942 {
 943         /* struct cx88_core *core = dev->core; */
 944         struct cx88_ctrl *c = NULL;
 945         u32 value;
 946         int i;
 947
 948         for (i = 0; i < CX8800_CTLS; i++)
 949                 if (cx8800_ctls[i].v.id == ctl->id)
 950                         c = &cx8800_ctls[i];
 951         if (NULL == c)
 952                 return -EINVAL;
 953
 954         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 955         switch (ctl->id) {
 956         case V4L2_CID_AUDIO_BALANCE:
 957                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 958                                         : (0x7f - (value & 0x7f));
 959                 break;
 960         case V4L2_CID_AUDIO_VOLUME:
 961                 ctl->value = 0x3f - (value & 0x3f);
 962                 break;
 963         default:
 964                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 965                 break;
 966         }
 967         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 968                                 ctl->id, c->v.name, ctl->value, c->reg,
 969                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 970         return 0;
 971 }
 972
 973 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 974 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
 975 {
 976         /* struct cx88_core *core = dev->core; */
 977         struct cx88_ctrl *c = NULL;
 978         u32 value,mask;
 979         int i;
 980         for (i = 0; i < CX8800_CTLS; i++) {
 981                 if (cx8800_ctls[i].v.id == ctl->id) {
 982                         c = &cx8800_ctls[i];
 983                 }
 984         }
 985         if (NULL == c)
 986                 return -EINVAL;
 987
 988         if (ctl->value < c->v.minimum)
 989                 ctl->value = c->v.minimum;
 990         if (ctl->value > c->v.maximum)
 991                 ctl->value = c->v.maximum;
 992         mask=c->mask;
 993         switch (ctl->id) {
 994         case V4L2_CID_AUDIO_BALANCE:
 995                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 996                 break;
 997         case V4L2_CID_AUDIO_VOLUME:
 998                 value = 0x3f - (ctl->value & 0x3f);
 999                 break;
1000         case V4L2_CID_SATURATION:
1001                 /* special v_sat handling */
1002
1003                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1004
1005                 if (core->tvnorm->id & V4L2_STD_SECAM) {
1006                         /* For SECAM, both U and V sat should be equal */
1007                         value=value<<8|value;
1008                 } else {
1009                         /* Keeps U Saturation proportional to V Sat */
1010                         value=(value*0x5a)/0x7f<<8|value;
1011                 }
1012                 mask=0xffff;
1013                 break;
1014         default:
1015                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1016                 break;
1017         }
1018         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1019                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1020                                 mask, c->sreg ? " [shadowed]" : "");
1021         if (c->sreg) {
1022                 cx_sandor(c->sreg, c->reg, mask, value);
1023         } else {
1024                 cx_andor(c->reg, mask, value);
1025         }
1026         return 0;
1027 }
1028
1029 static void init_controls(struct cx88_core *core)
1030 {
1031         struct v4l2_control ctrl;
1032         int i;
1033
1034         for (i = 0; i < CX8800_CTLS; i++) {
1035                 ctrl.id=cx8800_ctls[i].v.id;
1036                 ctrl.value=cx8800_ctls[i].v.default_value;
1037                 set_control(core, &ctrl);
1038         }
1039 }
1040
1041 /* ------------------------------------------------------------------ */
1042
1043 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1044                         struct v4l2_format *f)
1045 {
1046         switch (f->type) {
1047         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1048                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1049                 f->fmt.pix.width        = fh->width;
1050                 f->fmt.pix.height       = fh->height;
1051                 f->fmt.pix.field        = fh->vidq.field;
1052                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1053                 f->fmt.pix.bytesperline =
1054                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1055                 f->fmt.pix.sizeimage =
1056                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1057                 return 0;
1058         case V4L2_BUF_TYPE_VBI_CAPTURE:
1059                 cx8800_vbi_fmt(dev, f);
1060                 return 0;
1061         default:
1062                 return -EINVAL;
1063         }
1064 }
1065
1066 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1067                           struct v4l2_format *f)
1068 {
1069         struct cx88_core *core = dev->core;
1070
1071         switch (f->type) {
1072         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1073         {
1074                 struct cx8800_fmt *fmt;
1075                 enum v4l2_field field;
1076                 unsigned int maxw, maxh;
1077
1078                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1079                 if (NULL == fmt)
1080                         return -EINVAL;
1081
1082                 field = f->fmt.pix.field;
1083                 maxw  = norm_maxw(core->tvnorm);
1084                 maxh  = norm_maxh(core->tvnorm);
1085
1086                 if (V4L2_FIELD_ANY == field) {
1087                         field = (f->fmt.pix.height > maxh/2)
1088                                 ? V4L2_FIELD_INTERLACED
1089                                 : V4L2_FIELD_BOTTOM;
1090                 }
1091
1092                 switch (field) {
1093                 case V4L2_FIELD_TOP:
1094                 case V4L2_FIELD_BOTTOM:
1095                         maxh = maxh / 2;
1096                         break;
1097                 case V4L2_FIELD_INTERLACED:
1098                         break;
1099                 default:
1100                         return -EINVAL;
1101                 }
1102
1103                 f->fmt.pix.field = field;
1104                 if (f->fmt.pix.height < 32)
1105                         f->fmt.pix.height = 32;
1106                 if (f->fmt.pix.height > maxh)
1107                         f->fmt.pix.height = maxh;
1108                 if (f->fmt.pix.width < 48)
1109                         f->fmt.pix.width = 48;
1110                 if (f->fmt.pix.width > maxw)
1111                         f->fmt.pix.width = maxw;
1112                 f->fmt.pix.width &= ~0x03;
1113                 f->fmt.pix.bytesperline =
1114                         (f->fmt.pix.width * fmt->depth) >> 3;
1115                 f->fmt.pix.sizeimage =
1116                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1117
1118                 return 0;
1119         }
1120         case V4L2_BUF_TYPE_VBI_CAPTURE:
1121                 cx8800_vbi_fmt(dev, f);
1122                 return 0;
1123         default:
1124                 return -EINVAL;
1125         }
1126 }
1127
1128 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1129                         struct v4l2_format *f)
1130 {
1131         int err;
1132
1133         switch (f->type) {
1134         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1135                 err = cx8800_try_fmt(dev,fh,f);
1136                 if (0 != err)
1137                         return err;
1138
1139                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1140                 fh->width      = f->fmt.pix.width;
1141                 fh->height     = f->fmt.pix.height;
1142                 fh->vidq.field = f->fmt.pix.field;
1143                 return 0;
1144         case V4L2_BUF_TYPE_VBI_CAPTURE:
1145                 cx8800_vbi_fmt(dev, f);
1146                 return 0;
1147         default:
1148                 return -EINVAL;
1149         }
1150 }
1151
1152 /*
1153  * This function is _not_ called directly, but from
1154  * video_generic_ioctl (and maybe others).  userspace
1155  * copying is done already, arg is a kernel pointer.
1156  */
1157 static int video_do_ioctl(struct inode *inode, struct file *file,
1158                           unsigned int cmd, void *arg)
1159 {
1160         struct cx8800_fh  *fh   = file->private_data;
1161         struct cx8800_dev *dev  = fh->dev;
1162         struct cx88_core  *core = dev->core;
1163         int err;
1164
1165         if (video_debug > 1)
1166                 v4l_print_ioctl(core->name,cmd);
1167         switch (cmd) {
1168
1169         /* --- capabilities ------------------------------------------ */
1170         case VIDIOC_QUERYCAP:
1171         {
1172                 struct v4l2_capability *cap = arg;
1173
1174                 memset(cap,0,sizeof(*cap));
1175                 strcpy(cap->driver, "cx8800");
1176                 strlcpy(cap->card, cx88_boards[core->board].name,
1177                         sizeof(cap->card));
1178                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1179                 cap->version = CX88_VERSION_CODE;
1180                 cap->capabilities =
1181                         V4L2_CAP_VIDEO_CAPTURE |
1182                         V4L2_CAP_READWRITE     |
1183                         V4L2_CAP_STREAMING     |
1184                         V4L2_CAP_VBI_CAPTURE   |
1185                         0;
1186                 if (UNSET != core->tuner_type)
1187                         cap->capabilities |= V4L2_CAP_TUNER;
1188                 return 0;
1189         }
1190
1191         /* --- capture ioctls ---------------------------------------- */
1192         case VIDIOC_ENUM_FMT:
1193         {
1194                 struct v4l2_fmtdesc *f = arg;
1195                 enum v4l2_buf_type type;
1196                 unsigned int index;
1197
1198                 index = f->index;
1199                 type  = f->type;
1200                 switch (type) {
1201                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1202                         if (index >= ARRAY_SIZE(formats))
1203                                 return -EINVAL;
1204                         memset(f,0,sizeof(*f));
1205                         f->index = index;
1206                         f->type  = type;
1207                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1208                         f->pixelformat = formats[index].fourcc;
1209                         break;
1210                 default:
1211                         return -EINVAL;
1212                 }
1213                 return 0;
1214         }
1215         case VIDIOC_G_FMT:
1216         {
1217                 struct v4l2_format *f = arg;
1218                 return cx8800_g_fmt(dev,fh,f);
1219         }
1220         case VIDIOC_S_FMT:
1221         {
1222                 struct v4l2_format *f = arg;
1223                 return cx8800_s_fmt(dev,fh,f);
1224         }
1225         case VIDIOC_TRY_FMT:
1226         {
1227                 struct v4l2_format *f = arg;
1228                 return cx8800_try_fmt(dev,fh,f);
1229         }
1230 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1231         /* --- streaming capture ------------------------------------- */
1232         case VIDIOCGMBUF:
1233         {
1234                 struct video_mbuf *mbuf = arg;
1235                 struct videobuf_queue *q;
1236                 struct v4l2_requestbuffers req;
1237                 unsigned int i;
1238
1239                 q = get_queue(fh);
1240                 memset(&req,0,sizeof(req));
1241                 req.type   = q->type;
1242                 req.count  = 8;
1243                 req.memory = V4L2_MEMORY_MMAP;
1244                 err = videobuf_reqbufs(q,&req);
1245                 if (err < 0)
1246                         return err;
1247                 memset(mbuf,0,sizeof(*mbuf));
1248                 mbuf->frames = req.count;
1249                 mbuf->size   = 0;
1250                 for (i = 0; i < mbuf->frames; i++) {
1251                         mbuf->offsets[i]  = q->bufs[i]->boff;
1252                         mbuf->size       += q->bufs[i]->bsize;
1253                 }
1254                 return 0;
1255         }
1256 #endif
1257         case VIDIOC_REQBUFS:
1258                 return videobuf_reqbufs(get_queue(fh), arg);
1259
1260         case VIDIOC_QUERYBUF:
1261                 return videobuf_querybuf(get_queue(fh), arg);
1262
1263         case VIDIOC_QBUF:
1264                 return videobuf_qbuf(get_queue(fh), arg);
1265
1266         case VIDIOC_DQBUF:
1267                 return videobuf_dqbuf(get_queue(fh), arg,
1268                                         file->f_flags & O_NONBLOCK);
1269
1270         case VIDIOC_STREAMON:
1271         {
1272                 int res = get_ressource(fh);
1273
1274                 if (!res_get(dev,fh,res))
1275                         return -EBUSY;
1276                 return videobuf_streamon(get_queue(fh));
1277         }
1278         case VIDIOC_STREAMOFF:
1279         {
1280                 int res = get_ressource(fh);
1281
1282                 err = videobuf_streamoff(get_queue(fh));
1283                 if (err < 0)
1284                         return err;
1285                 res_free(dev,fh,res);
1286                 return 0;
1287         }
1288         default:
1289                 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1290         }
1291         return 0;
1292 }
1293
1294 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1295                   struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1296 {
1297         int err;
1298
1299        if (video_debug) {
1300                if (video_debug > 1) {
1301                        if (_IOC_DIR(cmd) & _IOC_WRITE)
1302                                v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
1303                        else if (!_IOC_DIR(cmd) & _IOC_READ) {
1304                                v4l_print_ioctl("cx88", cmd);
1305                        }
1306                } else
1307                        v4l_print_ioctl(core->name,cmd);
1308
1309        }
1310
1311         switch (cmd) {
1312         /* ---------- tv norms ---------- */
1313         case VIDIOC_ENUMSTD:
1314         {
1315                 struct v4l2_standard *e = arg;
1316                 unsigned int i;
1317
1318                 i = e->index;
1319                 if (i >= ARRAY_SIZE(tvnorms))
1320                         return -EINVAL;
1321                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1322                                                tvnorms[e->index].name);
1323                 e->index = i;
1324                 if (err < 0)
1325                         return err;
1326                 return 0;
1327         }
1328         case VIDIOC_G_STD:
1329         {
1330                 v4l2_std_id *id = arg;
1331
1332                 *id = core->tvnorm->id;
1333                 return 0;
1334         }
1335         case VIDIOC_S_STD:
1336         {
1337                 v4l2_std_id *id = arg;
1338                 unsigned int i;
1339
1340                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1341                         if (*id & tvnorms[i].id)
1342                                 break;
1343                 if (i == ARRAY_SIZE(tvnorms))
1344                         return -EINVAL;
1345
1346                 mutex_lock(&core->lock);
1347                 cx88_set_tvnorm(core,&tvnorms[i]);
1348                 mutex_unlock(&core->lock);
1349                 return 0;
1350         }
1351
1352         /* ------ input switching ---------- */
1353         case VIDIOC_ENUMINPUT:
1354         {
1355                 static const char *iname[] = {
1356                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1357                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1358                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1359                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1360                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1361                         [ CX88_VMUX_TELEVISION ] = "Television",
1362                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1363                         [ CX88_VMUX_DVB        ] = "DVB",
1364                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1365                 };
1366                 struct v4l2_input *i = arg;
1367                 unsigned int n;
1368
1369                 n = i->index;
1370                 if (n >= 4)
1371                         return -EINVAL;
1372                 if (0 == INPUT(n)->type)
1373                         return -EINVAL;
1374                 memset(i,0,sizeof(*i));
1375                 i->index = n;
1376                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1377                 strcpy(i->name,iname[INPUT(n)->type]);
1378                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1379                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1380                         i->type = V4L2_INPUT_TYPE_TUNER;
1381                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1382                         i->std |= tvnorms[n].id;
1383                 return 0;
1384         }
1385         case VIDIOC_G_INPUT:
1386         {
1387                 unsigned int *i = arg;
1388
1389                 *i = core->input;
1390                 return 0;
1391         }
1392         case VIDIOC_S_INPUT:
1393         {
1394                 unsigned int *i = arg;
1395
1396                 if (*i >= 4)
1397                         return -EINVAL;
1398                 mutex_lock(&core->lock);
1399                 cx88_newstation(core);
1400                 video_mux(core,*i);
1401                 mutex_unlock(&core->lock);
1402                 return 0;
1403         }
1404
1405
1406
1407         /* --- controls ---------------------------------------------- */
1408         case VIDIOC_QUERYCTRL:
1409         {
1410                 struct v4l2_queryctrl *c = arg;
1411
1412                 return cx88_queryctrl(c);
1413         }
1414         case VIDIOC_G_CTRL:
1415                 return get_control(core,arg);
1416         case VIDIOC_S_CTRL:
1417                 return set_control(core,arg);
1418
1419         /* --- tuner ioctls ------------------------------------------ */
1420         case VIDIOC_G_TUNER:
1421         {
1422                 struct v4l2_tuner *t = arg;
1423                 u32 reg;
1424
1425                 if (UNSET == core->tuner_type)
1426                         return -EINVAL;
1427                 if (0 != t->index)
1428                         return -EINVAL;
1429
1430                 memset(t,0,sizeof(*t));
1431                 strcpy(t->name, "Television");
1432                 t->type       = V4L2_TUNER_ANALOG_TV;
1433                 t->capability = V4L2_TUNER_CAP_NORM;
1434                 t->rangehigh  = 0xffffffffUL;
1435
1436                 cx88_get_stereo(core ,t);
1437                 reg = cx_read(MO_DEVICE_STATUS);
1438                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1439                 return 0;
1440         }
1441         case VIDIOC_S_TUNER:
1442         {
1443                 struct v4l2_tuner *t = arg;
1444
1445                 if (UNSET == core->tuner_type)
1446                         return -EINVAL;
1447                 if (0 != t->index)
1448                         return -EINVAL;
1449                 cx88_set_stereo(core, t->audmode, 1);
1450                 return 0;
1451         }
1452         case VIDIOC_G_FREQUENCY:
1453         {
1454                 struct v4l2_frequency *f = arg;
1455
1456                 memset(f,0,sizeof(*f));
1457
1458                 if (UNSET == core->tuner_type)
1459                         return -EINVAL;
1460
1461                 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1462                 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1463                 f->frequency = core->freq;
1464
1465                 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1466
1467                 return 0;
1468         }
1469         case VIDIOC_S_FREQUENCY:
1470         {
1471                 struct v4l2_frequency *f = arg;
1472
1473                 if (UNSET == core->tuner_type)
1474                         return -EINVAL;
1475                 if (f->tuner != 0)
1476                         return -EINVAL;
1477                 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1478                         return -EINVAL;
1479                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1480                         return -EINVAL;
1481                 mutex_lock(&core->lock);
1482                 core->freq = f->frequency;
1483                 cx88_newstation(core);
1484                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1485
1486                 /* When changing channels it is required to reset TVAUDIO */
1487                 msleep (10);
1488                 cx88_set_tvaudio(core);
1489
1490                 mutex_unlock(&core->lock);
1491                 return 0;
1492         }
1493
1494         default:
1495                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1496                                                   driver_ioctl);
1497         }
1498         return 0;
1499 }
1500
1501 static int video_ioctl(struct inode *inode, struct file *file,
1502                        unsigned int cmd, unsigned long arg)
1503 {
1504        int retval;
1505
1506        retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1507
1508        if (video_debug > 1) {
1509                if (retval < 0) {
1510                        v4l_print_ioctl("cx88(err)", cmd);
1511                        printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval);
1512                } else if (_IOC_DIR(cmd) & _IOC_READ)
1513                        v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg);
1514        }
1515
1516        return retval;
1517 }
1518
1519 /* ----------------------------------------------------------- */
1520
1521 static int radio_do_ioctl(struct inode *inode, struct file *file,
1522                         unsigned int cmd, void *arg)
1523 {
1524         struct cx8800_fh *fh    = file->private_data;
1525         struct cx8800_dev *dev  = fh->dev;
1526         struct cx88_core  *core = dev->core;
1527
1528         if (video_debug > 1)
1529                 v4l_print_ioctl(core->name,cmd);
1530
1531         switch (cmd) {
1532         case VIDIOC_QUERYCAP:
1533         {
1534                 struct v4l2_capability *cap = arg;
1535
1536                 memset(cap,0,sizeof(*cap));
1537                 strcpy(cap->driver, "cx8800");
1538                 strlcpy(cap->card, cx88_boards[core->board].name,
1539                         sizeof(cap->card));
1540                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1541                 cap->version = CX88_VERSION_CODE;
1542                 cap->capabilities = V4L2_CAP_TUNER;
1543                 return 0;
1544         }
1545         case VIDIOC_G_TUNER:
1546         {
1547                 struct v4l2_tuner *t = arg;
1548
1549                 if (t->index > 0)
1550                         return -EINVAL;
1551
1552                 memset(t,0,sizeof(*t));
1553                 strcpy(t->name, "Radio");
1554                 t->type = V4L2_TUNER_RADIO;
1555
1556                 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1557                 return 0;
1558         }
1559         case VIDIOC_ENUMINPUT:
1560         {
1561                 struct v4l2_input *i = arg;
1562
1563                 if (i->index != 0)
1564                         return -EINVAL;
1565                 strcpy(i->name,"Radio");
1566                 i->type = V4L2_INPUT_TYPE_TUNER;
1567                 return 0;
1568         }
1569         case VIDIOC_G_INPUT:
1570         {
1571                 int *i = arg;
1572                 *i = 0;
1573                 return 0;
1574         }
1575         case VIDIOC_G_AUDIO:
1576         {
1577                 struct v4l2_audio *a = arg;
1578
1579                 memset(a,0,sizeof(*a));
1580                 strcpy(a->name,"Radio");
1581                 return 0;
1582         }
1583         case VIDIOC_G_STD:
1584         {
1585                 v4l2_std_id *id = arg;
1586                 *id = 0;
1587                 return 0;
1588         }
1589 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1590         case VIDIOCSTUNER:
1591         {
1592                 struct video_tuner *v = arg;
1593
1594                 if (v->tuner) /* Only tuner 0 */
1595                         return -EINVAL;
1596
1597                 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1598                 return 0;
1599         }
1600 #endif
1601         case VIDIOC_S_TUNER:
1602         {
1603                 struct v4l2_tuner *t = arg;
1604
1605                 if (0 != t->index)
1606                         return -EINVAL;
1607
1608                 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1609
1610                 return 0;
1611         }
1612
1613         case VIDIOC_S_AUDIO:
1614         case VIDIOC_S_INPUT:
1615         case VIDIOC_S_STD:
1616                 return 0;
1617
1618         case VIDIOC_QUERYCTRL:
1619         {
1620                 struct v4l2_queryctrl *c = arg;
1621                 int i;
1622
1623                 if (c->id <  V4L2_CID_BASE ||
1624                     c->id >= V4L2_CID_LASTP1)
1625                         return -EINVAL;
1626                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1627                         for (i = 0; i < CX8800_CTLS; i++)
1628                                 if (cx8800_ctls[i].v.id == c->id)
1629                                         break;
1630                         *c = cx8800_ctls[i].v;
1631                 } else
1632                         *c = no_ctl;
1633                 return 0;
1634         }
1635
1636
1637         case VIDIOC_G_CTRL:
1638         case VIDIOC_S_CTRL:
1639         case VIDIOC_G_FREQUENCY:
1640         case VIDIOC_S_FREQUENCY:
1641                 return video_do_ioctl(inode,file,cmd,arg);
1642
1643         default:
1644                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1645                                                   radio_do_ioctl);
1646         }
1647         return 0;
1648 };
1649
1650 static int radio_ioctl(struct inode *inode, struct file *file,
1651                         unsigned int cmd, unsigned long arg)
1652 {
1653         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1654 };
1655
1656 /* ----------------------------------------------------------- */
1657
1658 static void cx8800_vid_timeout(unsigned long data)
1659 {
1660         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1661         struct cx88_core *core = dev->core;
1662         struct cx88_dmaqueue *q = &dev->vidq;
1663         struct cx88_buffer *buf;
1664         unsigned long flags;
1665
1666         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1667
1668         cx_clear(MO_VID_DMACNTRL, 0x11);
1669         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1670
1671         spin_lock_irqsave(&dev->slock,flags);
1672         while (!list_empty(&q->active)) {
1673                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1674                 list_del(&buf->vb.queue);
1675                 buf->vb.state = STATE_ERROR;
1676                 wake_up(&buf->vb.done);
1677                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1678                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1679         }
1680         restart_video_queue(dev,q);
1681         spin_unlock_irqrestore(&dev->slock,flags);
1682 }
1683
1684 static char *cx88_vid_irqs[32] = {
1685         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1686         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1687         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1688         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1689         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1690 };
1691
1692 static void cx8800_vid_irq(struct cx8800_dev *dev)
1693 {
1694         struct cx88_core *core = dev->core;
1695         u32 status, mask, count;
1696
1697         status = cx_read(MO_VID_INTSTAT);
1698         mask   = cx_read(MO_VID_INTMSK);
1699         if (0 == (status & mask))
1700                 return;
1701         cx_write(MO_VID_INTSTAT, status);
1702         if (irq_debug  ||  (status & mask & ~0xff))
1703                 cx88_print_irqbits(core->name, "irq vid",
1704                                    cx88_vid_irqs, status, mask);
1705
1706         /* risc op code error */
1707         if (status & (1 << 16)) {
1708                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1709                 cx_clear(MO_VID_DMACNTRL, 0x11);
1710                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1711                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1712         }
1713
1714         /* risc1 y */
1715         if (status & 0x01) {
1716                 spin_lock(&dev->slock);
1717                 count = cx_read(MO_VIDY_GPCNT);
1718                 cx88_wakeup(core, &dev->vidq, count);
1719                 spin_unlock(&dev->slock);
1720         }
1721
1722         /* risc1 vbi */
1723         if (status & 0x08) {
1724                 spin_lock(&dev->slock);
1725                 count = cx_read(MO_VBI_GPCNT);
1726                 cx88_wakeup(core, &dev->vbiq, count);
1727                 spin_unlock(&dev->slock);
1728         }
1729
1730         /* risc2 y */
1731         if (status & 0x10) {
1732                 dprintk(2,"stopper video\n");
1733                 spin_lock(&dev->slock);
1734                 restart_video_queue(dev,&dev->vidq);
1735                 spin_unlock(&dev->slock);
1736         }
1737
1738         /* risc2 vbi */
1739         if (status & 0x80) {
1740                 dprintk(2,"stopper vbi\n");
1741                 spin_lock(&dev->slock);
1742                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1743                 spin_unlock(&dev->slock);
1744         }
1745 }
1746
1747 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1748 {
1749         struct cx8800_dev *dev = dev_id;
1750         struct cx88_core *core = dev->core;
1751         u32 status;
1752         int loop, handled = 0;
1753
1754         for (loop = 0; loop < 10; loop++) {
1755                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1756                 if (0 == status)
1757                         goto out;
1758                 cx_write(MO_PCI_INTSTAT, status);
1759                 handled = 1;
1760
1761                 if (status & core->pci_irqmask)
1762                         cx88_core_irq(core,status);
1763                 if (status & 0x01)
1764                         cx8800_vid_irq(dev);
1765         };
1766         if (10 == loop) {
1767                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1768                        core->name);
1769                 cx_write(MO_PCI_INTMSK,0);
1770         }
1771
1772  out:
1773         return IRQ_RETVAL(handled);
1774 }
1775
1776 /* ----------------------------------------------------------- */
1777 /* exported stuff                                              */
1778
1779 static struct file_operations video_fops =
1780 {
1781         .owner         = THIS_MODULE,
1782         .open          = video_open,
1783         .release       = video_release,
1784         .read          = video_read,
1785         .poll          = video_poll,
1786         .mmap          = video_mmap,
1787         .ioctl         = video_ioctl,
1788         .compat_ioctl  = v4l_compat_ioctl32,
1789         .llseek        = no_llseek,
1790 };
1791
1792 static struct video_device cx8800_video_template =
1793 {
1794         .name          = "cx8800-video",
1795         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1796         .hardware      = 0,
1797         .fops          = &video_fops,
1798         .minor         = -1,
1799 };
1800
1801 static struct video_device cx8800_vbi_template =
1802 {
1803         .name          = "cx8800-vbi",
1804         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1805         .hardware      = 0,
1806         .fops          = &video_fops,
1807         .minor         = -1,
1808 };
1809
1810 static struct file_operations radio_fops =
1811 {
1812         .owner         = THIS_MODULE,
1813         .open          = video_open,
1814         .release       = video_release,
1815         .ioctl         = radio_ioctl,
1816         .compat_ioctl  = v4l_compat_ioctl32,
1817         .llseek        = no_llseek,
1818 };
1819
1820 static struct video_device cx8800_radio_template =
1821 {
1822         .name          = "cx8800-radio",
1823         .type          = VID_TYPE_TUNER,
1824         .hardware      = 0,
1825         .fops          = &radio_fops,
1826         .minor         = -1,
1827 };
1828
1829 /* ----------------------------------------------------------- */
1830
1831 static void cx8800_unregister_video(struct cx8800_dev *dev)
1832 {
1833         if (dev->radio_dev) {
1834                 if (-1 != dev->radio_dev->minor)
1835                         video_unregister_device(dev->radio_dev);
1836                 else
1837                         video_device_release(dev->radio_dev);
1838                 dev->radio_dev = NULL;
1839         }
1840         if (dev->vbi_dev) {
1841                 if (-1 != dev->vbi_dev->minor)
1842                         video_unregister_device(dev->vbi_dev);
1843                 else
1844                         video_device_release(dev->vbi_dev);
1845                 dev->vbi_dev = NULL;
1846         }
1847         if (dev->video_dev) {
1848                 if (-1 != dev->video_dev->minor)
1849                         video_unregister_device(dev->video_dev);
1850                 else
1851                         video_device_release(dev->video_dev);
1852                 dev->video_dev = NULL;
1853         }
1854 }
1855
1856 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1857                                     const struct pci_device_id *pci_id)
1858 {
1859         struct cx8800_dev *dev;
1860         struct cx88_core *core;
1861         int err;
1862
1863         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1864         if (NULL == dev)
1865                 return -ENOMEM;
1866
1867         /* pci init */
1868         dev->pci = pci_dev;
1869         if (pci_enable_device(pci_dev)) {
1870                 err = -EIO;
1871                 goto fail_free;
1872         }
1873         core = cx88_core_get(dev->pci);
1874         if (NULL == core) {
1875                 err = -EINVAL;
1876                 goto fail_free;
1877         }
1878         dev->core = core;
1879
1880         /* print pci info */
1881         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1882         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1883         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1884                "latency: %d, mmio: 0x%llx\n", core->name,
1885                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1886                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1887
1888         pci_set_master(pci_dev);
1889         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1890                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1891                 err = -EIO;
1892                 goto fail_core;
1893         }
1894
1895         /* initialize driver struct */
1896         spin_lock_init(&dev->slock);
1897         core->tvnorm = tvnorms;
1898
1899         /* init video dma queues */
1900         INIT_LIST_HEAD(&dev->vidq.active);
1901         INIT_LIST_HEAD(&dev->vidq.queued);
1902         dev->vidq.timeout.function = cx8800_vid_timeout;
1903         dev->vidq.timeout.data     = (unsigned long)dev;
1904         init_timer(&dev->vidq.timeout);
1905         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1906                           MO_VID_DMACNTRL,0x11,0x00);
1907
1908         /* init vbi dma queues */
1909         INIT_LIST_HEAD(&dev->vbiq.active);
1910         INIT_LIST_HEAD(&dev->vbiq.queued);
1911         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1912         dev->vbiq.timeout.data     = (unsigned long)dev;
1913         init_timer(&dev->vbiq.timeout);
1914         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1915                           MO_VID_DMACNTRL,0x88,0x00);
1916
1917         /* get irq */
1918         err = request_irq(pci_dev->irq, cx8800_irq,
1919                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1920         if (err < 0) {
1921                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1922                        core->name,pci_dev->irq);
1923                 goto fail_core;
1924         }
1925         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1926
1927         /* load and configure helper modules */
1928         if (TUNER_ABSENT != core->tuner_type)
1929                 request_module("tuner");
1930
1931         if (cx88_boards[ core->board ].audio_chip == AUDIO_CHIP_WM8775)
1932                 request_module("wm8775");
1933
1934         /* register v4l devices */
1935         dev->video_dev = cx88_vdev_init(core,dev->pci,
1936                                         &cx8800_video_template,"video");
1937         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1938                                     video_nr[core->nr]);
1939         if (err < 0) {
1940                 printk(KERN_INFO "%s: can't register video device\n",
1941                        core->name);
1942                 goto fail_unreg;
1943         }
1944         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1945                core->name,dev->video_dev->minor & 0x1f);
1946
1947         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1948         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1949                                     vbi_nr[core->nr]);
1950         if (err < 0) {
1951                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1952                        core->name);
1953                 goto fail_unreg;
1954         }
1955         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1956                core->name,dev->vbi_dev->minor & 0x1f);
1957
1958         if (core->has_radio) {
1959                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1960                                                 &cx8800_radio_template,"radio");
1961                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1962                                             radio_nr[core->nr]);
1963                 if (err < 0) {
1964                         printk(KERN_INFO "%s/0: can't register radio device\n",
1965                                core->name);
1966                         goto fail_unreg;
1967                 }
1968                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1969                        core->name,dev->radio_dev->minor & 0x1f);
1970         }
1971
1972         /* everything worked */
1973         list_add_tail(&dev->devlist,&cx8800_devlist);
1974         pci_set_drvdata(pci_dev,dev);
1975
1976         /* initial device configuration */
1977         mutex_lock(&core->lock);
1978         cx88_set_tvnorm(core,tvnorms);
1979         init_controls(core);
1980         video_mux(core,0);
1981         mutex_unlock(&core->lock);
1982
1983         /* start tvaudio thread */
1984         if (core->tuner_type != TUNER_ABSENT)
1985                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1986         return 0;
1987
1988 fail_unreg:
1989         cx8800_unregister_video(dev);
1990         free_irq(pci_dev->irq, dev);
1991 fail_core:
1992         cx88_core_put(core,dev->pci);
1993 fail_free:
1994         kfree(dev);
1995         return err;
1996 }
1997
1998 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1999 {
2000         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2001         struct cx88_core *core = dev->core;
2002
2003         /* stop thread */
2004         if (core->kthread) {
2005                 kthread_stop(core->kthread);
2006                 core->kthread = NULL;
2007         }
2008
2009         cx88_shutdown(core); /* FIXME */
2010         pci_disable_device(pci_dev);
2011
2012         /* unregister stuff */
2013
2014         free_irq(pci_dev->irq, dev);
2015         cx8800_unregister_video(dev);
2016         pci_set_drvdata(pci_dev, NULL);
2017
2018         /* free memory */
2019         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2020         list_del(&dev->devlist);
2021         cx88_core_put(core,dev->pci);
2022         kfree(dev);
2023 }
2024
2025 #ifdef CONFIG_PM
2026 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2027 {
2028         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2029         struct cx88_core *core = dev->core;
2030
2031         /* stop video+vbi capture */
2032         spin_lock(&dev->slock);
2033         if (!list_empty(&dev->vidq.active)) {
2034                 printk("%s: suspend video\n", core->name);
2035                 stop_video_dma(dev);
2036                 del_timer(&dev->vidq.timeout);
2037         }
2038         if (!list_empty(&dev->vbiq.active)) {
2039                 printk("%s: suspend vbi\n", core->name);
2040                 cx8800_stop_vbi_dma(dev);
2041                 del_timer(&dev->vbiq.timeout);
2042         }
2043         spin_unlock(&dev->slock);
2044
2045         /* FIXME -- shutdown device */
2046         cx88_shutdown(core);
2047
2048         pci_save_state(pci_dev);
2049         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2050                 pci_disable_device(pci_dev);
2051                 dev->state.disabled = 1;
2052         }
2053         return 0;
2054 }
2055
2056 static int cx8800_resume(struct pci_dev *pci_dev)
2057 {
2058         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2059         struct cx88_core *core = dev->core;
2060         int err;
2061
2062         if (dev->state.disabled) {
2063                 err=pci_enable_device(pci_dev);
2064                 if (err) {
2065                         printk(KERN_ERR "%s: can't enable device\n",
2066                                                        core->name);
2067                         return err;
2068                 }
2069
2070                 dev->state.disabled = 0;
2071         }
2072         err= pci_set_power_state(pci_dev, PCI_D0);
2073         if (err) {
2074                 printk(KERN_ERR "%s: can't enable device\n",
2075                                        core->name);
2076
2077                 pci_disable_device(pci_dev);
2078                 dev->state.disabled = 1;
2079
2080                 return err;
2081         }
2082         pci_restore_state(pci_dev);
2083
2084         /* FIXME: re-initialize hardware */
2085         cx88_reset(core);
2086
2087         /* restart video+vbi capture */
2088         spin_lock(&dev->slock);
2089         if (!list_empty(&dev->vidq.active)) {
2090                 printk("%s: resume video\n", core->name);
2091                 restart_video_queue(dev,&dev->vidq);
2092         }
2093         if (!list_empty(&dev->vbiq.active)) {
2094                 printk("%s: resume vbi\n", core->name);
2095                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2096         }
2097         spin_unlock(&dev->slock);
2098
2099         return 0;
2100 }
2101 #endif
2102
2103 /* ----------------------------------------------------------- */
2104
2105 static struct pci_device_id cx8800_pci_tbl[] = {
2106         {
2107                 .vendor       = 0x14f1,
2108                 .device       = 0x8800,
2109                 .subvendor    = PCI_ANY_ID,
2110                 .subdevice    = PCI_ANY_ID,
2111         },{
2112                 /* --- end of list --- */
2113         }
2114 };
2115 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2116
2117 static struct pci_driver cx8800_pci_driver = {
2118         .name     = "cx8800",
2119         .id_table = cx8800_pci_tbl,
2120         .probe    = cx8800_initdev,
2121         .remove   = __devexit_p(cx8800_finidev),
2122 #ifdef CONFIG_PM
2123         .suspend  = cx8800_suspend,
2124         .resume   = cx8800_resume,
2125 #endif
2126 };
2127
2128 static int cx8800_init(void)
2129 {
2130         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2131                (CX88_VERSION_CODE >> 16) & 0xff,
2132                (CX88_VERSION_CODE >>  8) & 0xff,
2133                CX88_VERSION_CODE & 0xff);
2134 #ifdef SNAPSHOT
2135         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2136                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2137 #endif
2138         return pci_register_driver(&cx8800_pci_driver);
2139 }
2140
2141 static void cx8800_fini(void)
2142 {
2143         pci_unregister_driver(&cx8800_pci_driver);
2144 }
2145
2146 module_init(cx8800_init);
2147 module_exit(cx8800_fini);
2148
2149 EXPORT_SYMBOL(cx88_do_ioctl);
2150
2151 /* ----------------------------------------------------------- */
2152 /*
2153  * Local variables:
2154  * c-basic-offset: 8
2155  * End:
2156  * 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
2157  */