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  *  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
 458         if (cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD) {
 459                 /* sets sound input from external adc */
 460                 if (INPUT(input)->extadc)
 461                         cx_set(AUD_CTL, EN_I2SIN_ENABLE);
 462                 else
 463                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 464         }
 465         return 0;
 466 }
 467
 468 /* ------------------------------------------------------------------ */
 469
 470 static int start_video_dma(struct cx8800_dev    *dev,
 471                            struct cx88_dmaqueue *q,
 472                            struct cx88_buffer   *buf)
 473 {
 474         struct cx88_core *core = dev->core;
 475
 476         /* setup fifo + format */
 477         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 478                                 buf->bpl, buf->risc.dma);
 479         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 480         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 481
 482         /* reset counter */
 483         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 484         q->count = 1;
 485
 486         /* enable irqs */
 487         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
 488
 489         /* Enables corresponding bits at PCI_INT_STAT:
 490                 bits 0 to 4: video, audio, transport stream, VIP, Host
 491                 bit 7: timer
 492                 bits 8 and 9: DMA complete for: SRC, DST
 493                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 494                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 495          */
 496         cx_set(MO_VID_INTMSK, 0x0f0011);
 497
 498         /* enable capture */
 499         cx_set(VID_CAPTURE_CONTROL,0x06);
 500
 501         /* start dma */
 502         cx_set(MO_DEV_CNTRL2, (1<<5));
 503         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 504
 505         return 0;
 506 }
 507
 508 #ifdef CONFIG_PM
 509 static int stop_video_dma(struct cx8800_dev    *dev)
 510 {
 511         struct cx88_core *core = dev->core;
 512
 513         /* stop dma */
 514         cx_clear(MO_VID_DMACNTRL, 0x11);
 515
 516         /* disable capture */
 517         cx_clear(VID_CAPTURE_CONTROL,0x06);
 518
 519         /* disable irqs */
 520         cx_clear(MO_PCI_INTMSK, 0x000001);
 521         cx_clear(MO_VID_INTMSK, 0x0f0011);
 522         return 0;
 523 }
 524 #endif
 525
 526 static int restart_video_queue(struct cx8800_dev    *dev,
 527                                struct cx88_dmaqueue *q)
 528 {
 529         struct cx88_core *core = dev->core;
 530         struct cx88_buffer *buf, *prev;
 531         struct list_head *item;
 532
 533         if (!list_empty(&q->active)) {
 534                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 535                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 536                         buf, buf->vb.i);
 537                 start_video_dma(dev, q, buf);
 538                 list_for_each(item,&q->active) {
 539                         buf = list_entry(item, struct cx88_buffer, vb.queue);
 540                         buf->count    = q->count++;
 541                 }
 542                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 543                 return 0;
 544         }
 545
 546         prev = NULL;
 547         for (;;) {
 548                 if (list_empty(&q->queued))
 549                         return 0;
 550                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 551                 if (NULL == prev) {
 552                         list_move_tail(&buf->vb.queue, &q->active);
 553                         start_video_dma(dev, q, buf);
 554                         buf->vb.state = STATE_ACTIVE;
 555                         buf->count    = q->count++;
 556                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 557                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 558                                 buf,buf->vb.i);
 559
 560                 } else if (prev->vb.width  == buf->vb.width  &&
 561                            prev->vb.height == buf->vb.height &&
 562                            prev->fmt       == buf->fmt) {
 563                         list_move_tail(&buf->vb.queue, &q->active);
 564                         buf->vb.state = STATE_ACTIVE;
 565                         buf->count    = q->count++;
 566                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 567                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 568                                 buf,buf->vb.i);
 569                 } else {
 570                         return 0;
 571                 }
 572                 prev = buf;
 573         }
 574 }
 575
 576 /* ------------------------------------------------------------------ */
 577
 578 static int
 579 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 580 {
 581         struct cx8800_fh *fh = q->priv_data;
 582
 583         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 584         if (0 == *count)
 585                 *count = 32;
 586         while (*size * *count > vid_limit * 1024 * 1024)
 587                 (*count)--;
 588         return 0;
 589 }
 590
 591 static int
 592 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 593                enum v4l2_field field)
 594 {
 595         struct cx8800_fh   *fh  = q->priv_data;
 596         struct cx8800_dev  *dev = fh->dev;
 597         struct cx88_core *core = dev->core;
 598         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 599         int rc, init_buffer = 0;
 600
 601         BUG_ON(NULL == fh->fmt);
 602         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 603             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 604                 return -EINVAL;
 605         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 606         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 607                 return -EINVAL;
 608
 609         if (buf->fmt       != fh->fmt    ||
 610             buf->vb.width  != fh->width  ||
 611             buf->vb.height != fh->height ||
 612             buf->vb.field  != field) {
 613                 buf->fmt       = fh->fmt;
 614                 buf->vb.width  = fh->width;
 615                 buf->vb.height = fh->height;
 616                 buf->vb.field  = field;
 617                 init_buffer = 1;
 618         }
 619
 620         if (STATE_NEEDS_INIT == buf->vb.state) {
 621                 init_buffer = 1;
 622                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 623                         goto fail;
 624         }
 625
 626         if (init_buffer) {
 627                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 628                 switch (buf->vb.field) {
 629                 case V4L2_FIELD_TOP:
 630                         cx88_risc_buffer(dev->pci, &buf->risc,
 631                                          buf->vb.dma.sglist, 0, UNSET,
 632                                          buf->bpl, 0, buf->vb.height);
 633                         break;
 634                 case V4L2_FIELD_BOTTOM:
 635                         cx88_risc_buffer(dev->pci, &buf->risc,
 636                                          buf->vb.dma.sglist, UNSET, 0,
 637                                          buf->bpl, 0, buf->vb.height);
 638                         break;
 639                 case V4L2_FIELD_INTERLACED:
 640                         cx88_risc_buffer(dev->pci, &buf->risc,
 641                                          buf->vb.dma.sglist, 0, buf->bpl,
 642                                          buf->bpl, buf->bpl,
 643                                          buf->vb.height >> 1);
 644                         break;
 645                 case V4L2_FIELD_SEQ_TB:
 646                         cx88_risc_buffer(dev->pci, &buf->risc,
 647                                          buf->vb.dma.sglist,
 648                                          0, buf->bpl * (buf->vb.height >> 1),
 649                                          buf->bpl, 0,
 650                                          buf->vb.height >> 1);
 651                         break;
 652                 case V4L2_FIELD_SEQ_BT:
 653                         cx88_risc_buffer(dev->pci, &buf->risc,
 654                                          buf->vb.dma.sglist,
 655                                          buf->bpl * (buf->vb.height >> 1), 0,
 656                                          buf->bpl, 0,
 657                                          buf->vb.height >> 1);
 658                         break;
 659                 default:
 660                         BUG();
 661                 }
 662         }
 663         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 664                 buf, buf->vb.i,
 665                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 666                 (unsigned long)buf->risc.dma);
 667
 668         buf->vb.state = STATE_PREPARED;
 669         return 0;
 670
 671  fail:
 672         cx88_free_buffer(q,buf);
 673         return rc;
 674 }
 675
 676 static void
 677 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 678 {
 679         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 680         struct cx88_buffer    *prev;
 681         struct cx8800_fh      *fh   = vq->priv_data;
 682         struct cx8800_dev     *dev  = fh->dev;
 683         struct cx88_core      *core = dev->core;
 684         struct cx88_dmaqueue  *q    = &dev->vidq;
 685
 686         /* add jump to stopper */
 687         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 688         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 689
 690         if (!list_empty(&q->queued)) {
 691                 list_add_tail(&buf->vb.queue,&q->queued);
 692                 buf->vb.state = STATE_QUEUED;
 693                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 694                         buf, buf->vb.i);
 695
 696         } else if (list_empty(&q->active)) {
 697                 list_add_tail(&buf->vb.queue,&q->active);
 698                 start_video_dma(dev, q, buf);
 699                 buf->vb.state = STATE_ACTIVE;
 700                 buf->count    = q->count++;
 701                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 702                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 703                         buf, buf->vb.i);
 704
 705         } else {
 706                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 707                 if (prev->vb.width  == buf->vb.width  &&
 708                     prev->vb.height == buf->vb.height &&
 709                     prev->fmt       == buf->fmt) {
 710                         list_add_tail(&buf->vb.queue,&q->active);
 711                         buf->vb.state = STATE_ACTIVE;
 712                         buf->count    = q->count++;
 713                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 714                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 715                                 buf, buf->vb.i);
 716
 717                 } else {
 718                         list_add_tail(&buf->vb.queue,&q->queued);
 719                         buf->vb.state = STATE_QUEUED;
 720                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 721                                 buf, buf->vb.i);
 722                 }
 723         }
 724 }
 725
 726 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 727 {
 728         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 729
 730         cx88_free_buffer(q,buf);
 731 }
 732
 733 static struct videobuf_queue_ops cx8800_video_qops = {
 734         .buf_setup    = buffer_setup,
 735         .buf_prepare  = buffer_prepare,
 736         .buf_queue    = buffer_queue,
 737         .buf_release  = buffer_release,
 738 };
 739
 740 /* ------------------------------------------------------------------ */
 741
 742
 743 /* ------------------------------------------------------------------ */
 744
 745 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 746 {
 747         switch (fh->type) {
 748         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 749                 return &fh->vidq;
 750         case V4L2_BUF_TYPE_VBI_CAPTURE:
 751                 return &fh->vbiq;
 752         default:
 753                 BUG();
 754                 return NULL;
 755         }
 756 }
 757
 758 static int get_ressource(struct cx8800_fh *fh)
 759 {
 760         switch (fh->type) {
 761         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 762                 return RESOURCE_VIDEO;
 763         case V4L2_BUF_TYPE_VBI_CAPTURE:
 764                 return RESOURCE_VBI;
 765         default:
 766                 BUG();
 767                 return 0;
 768         }
 769 }
 770
 771 static int video_open(struct inode *inode, struct file *file)
 772 {
 773         int minor = iminor(inode);
 774         struct cx8800_dev *h,*dev = NULL;
 775         struct cx88_core *core;
 776         struct cx8800_fh *fh;
 777         struct list_head *list;
 778         enum v4l2_buf_type type = 0;
 779         int radio = 0;
 780
 781         list_for_each(list,&cx8800_devlist) {
 782                 h = list_entry(list, struct cx8800_dev, devlist);
 783                 if (h->video_dev->minor == minor) {
 784                         dev  = h;
 785                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 786                 }
 787                 if (h->vbi_dev->minor == minor) {
 788                         dev  = h;
 789                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
 790                 }
 791                 if (h->radio_dev &&
 792                     h->radio_dev->minor == minor) {
 793                         radio = 1;
 794                         dev   = h;
 795                 }
 796         }
 797         if (NULL == dev)
 798                 return -ENODEV;
 799
 800         core = dev->core;
 801
 802         dprintk(1,"open minor=%d radio=%d type=%s\n",
 803                 minor,radio,v4l2_type_names[type]);
 804
 805         /* allocate + initialize per filehandle data */
 806         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 807         if (NULL == fh)
 808                 return -ENOMEM;
 809         file->private_data = fh;
 810         fh->dev      = dev;
 811         fh->radio    = radio;
 812         fh->type     = type;
 813         fh->width    = 320;
 814         fh->height   = 240;
 815         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 816
 817         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
 818                             dev->pci, &dev->slock,
 819                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 820                             V4L2_FIELD_INTERLACED,
 821                             sizeof(struct cx88_buffer),
 822                             fh);
 823         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
 824                             dev->pci, &dev->slock,
 825                             V4L2_BUF_TYPE_VBI_CAPTURE,
 826                             V4L2_FIELD_SEQ_TB,
 827                             sizeof(struct cx88_buffer),
 828                             fh);
 829
 830         if (fh->radio) {
 831                 int board = core->board;
 832                 dprintk(1,"video_open: setting radio device\n");
 833                 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
 834                 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
 835                 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
 836                 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
 837                 core->tvaudio = WW_FM;
 838                 cx88_set_tvaudio(core);
 839                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 840                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 841         }
 842
 843         return 0;
 844 }
 845
 846 static ssize_t
 847 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 848 {
 849         struct cx8800_fh *fh = file->private_data;
 850
 851         switch (fh->type) {
 852         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 853                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 854                         return -EBUSY;
 855                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 856                                          file->f_flags & O_NONBLOCK);
 857         case V4L2_BUF_TYPE_VBI_CAPTURE:
 858                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 859                         return -EBUSY;
 860                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 861                                             file->f_flags & O_NONBLOCK);
 862         default:
 863                 BUG();
 864                 return 0;
 865         }
 866 }
 867
 868 static unsigned int
 869 video_poll(struct file *file, struct poll_table_struct *wait)
 870 {
 871         struct cx8800_fh *fh = file->private_data;
 872         struct cx88_buffer *buf;
 873
 874         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 875                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 876                         return POLLERR;
 877                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 878         }
 879
 880         if (res_check(fh,RESOURCE_VIDEO)) {
 881                 /* streaming capture */
 882                 if (list_empty(&fh->vidq.stream))
 883                         return POLLERR;
 884                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 885         } else {
 886                 /* read() capture */
 887                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 888                 if (NULL == buf)
 889                         return POLLERR;
 890         }
 891         poll_wait(file, &buf->vb.done, wait);
 892         if (buf->vb.state == STATE_DONE ||
 893             buf->vb.state == STATE_ERROR)
 894                 return POLLIN|POLLRDNORM;
 895         return 0;
 896 }
 897
 898 static int video_release(struct inode *inode, struct file *file)
 899 {
 900         struct cx8800_fh  *fh  = file->private_data;
 901         struct cx8800_dev *dev = fh->dev;
 902
 903         /* turn off overlay */
 904         if (res_check(fh, RESOURCE_OVERLAY)) {
 905                 /* FIXME */
 906                 res_free(dev,fh,RESOURCE_OVERLAY);
 907         }
 908
 909         /* stop video capture */
 910         if (res_check(fh, RESOURCE_VIDEO)) {
 911                 videobuf_queue_cancel(&fh->vidq);
 912                 res_free(dev,fh,RESOURCE_VIDEO);
 913         }
 914         if (fh->vidq.read_buf) {
 915                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 916                 kfree(fh->vidq.read_buf);
 917         }
 918
 919         /* stop vbi capture */
 920         if (res_check(fh, RESOURCE_VBI)) {
 921                 if (fh->vbiq.streaming)
 922                         videobuf_streamoff(&fh->vbiq);
 923                 if (fh->vbiq.reading)
 924                         videobuf_read_stop(&fh->vbiq);
 925                 res_free(dev,fh,RESOURCE_VBI);
 926         }
 927
 928         videobuf_mmap_free(&fh->vidq);
 929         videobuf_mmap_free(&fh->vbiq);
 930         file->private_data = NULL;
 931         kfree(fh);
 932
 933         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
 934
 935         return 0;
 936 }
 937
 938 static int
 939 video_mmap(struct file *file, struct vm_area_struct * vma)
 940 {
 941         struct cx8800_fh *fh = file->private_data;
 942
 943         return videobuf_mmap_mapper(get_queue(fh), vma);
 944 }
 945
 946 /* ------------------------------------------------------------------ */
 947
 948 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 949 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
 950 {
 951         /* struct cx88_core *core = dev->core; */
 952         struct cx88_ctrl *c = NULL;
 953         u32 value;
 954         int i;
 955
 956         for (i = 0; i < CX8800_CTLS; i++)
 957                 if (cx8800_ctls[i].v.id == ctl->id)
 958                         c = &cx8800_ctls[i];
 959         if (NULL == c)
 960                 return -EINVAL;
 961
 962         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 963         switch (ctl->id) {
 964         case V4L2_CID_AUDIO_BALANCE:
 965                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 966                                         : (0x7f - (value & 0x7f));
 967                 break;
 968         case V4L2_CID_AUDIO_VOLUME:
 969                 ctl->value = 0x3f - (value & 0x3f);
 970                 break;
 971         default:
 972                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 973                 break;
 974         }
 975         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 976                                 ctl->id, c->v.name, ctl->value, c->reg,
 977                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 978         return 0;
 979 }
 980
 981 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
 982 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
 983 {
 984         /* struct cx88_core *core = dev->core; */
 985         struct cx88_ctrl *c = NULL;
 986         u32 value,mask;
 987         int i;
 988         for (i = 0; i < CX8800_CTLS; i++) {
 989                 if (cx8800_ctls[i].v.id == ctl->id) {
 990                         c = &cx8800_ctls[i];
 991                 }
 992         }
 993         if (NULL == c)
 994                 return -EINVAL;
 995
 996         if (ctl->value < c->v.minimum)
 997                 ctl->value = c->v.minimum;
 998         if (ctl->value > c->v.maximum)
 999                 ctl->value = c->v.maximum;
1000         mask=c->mask;
1001         switch (ctl->id) {
1002         case V4L2_CID_AUDIO_BALANCE:
1003                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1004                 break;
1005         case V4L2_CID_AUDIO_VOLUME:
1006                 value = 0x3f - (ctl->value & 0x3f);
1007                 break;
1008         case V4L2_CID_SATURATION:
1009                 /* special v_sat handling */
1010
1011                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1012
1013                 if (core->tvnorm->id & V4L2_STD_SECAM) {
1014                         /* For SECAM, both U and V sat should be equal */
1015                         value=value<<8|value;
1016                 } else {
1017                         /* Keeps U Saturation proportional to V Sat */
1018                         value=(value*0x5a)/0x7f<<8|value;
1019                 }
1020                 mask=0xffff;
1021                 break;
1022         default:
1023                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1024                 break;
1025         }
1026         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1027                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1028                                 mask, c->sreg ? " [shadowed]" : "");
1029         if (c->sreg) {
1030                 cx_sandor(c->sreg, c->reg, mask, value);
1031         } else {
1032                 cx_andor(c->reg, mask, value);
1033         }
1034         return 0;
1035 }
1036
1037 static void init_controls(struct cx88_core *core)
1038 {
1039         struct v4l2_control ctrl;
1040         int i;
1041
1042         for (i = 0; i < CX8800_CTLS; i++) {
1043                 ctrl.id=cx8800_ctls[i].v.id;
1044                 ctrl.value=cx8800_ctls[i].v.default_value;
1045                 set_control(core, &ctrl);
1046         }
1047 }
1048
1049 /* ------------------------------------------------------------------ */
1050
1051 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1052                         struct v4l2_format *f)
1053 {
1054         switch (f->type) {
1055         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1056                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1057                 f->fmt.pix.width        = fh->width;
1058                 f->fmt.pix.height       = fh->height;
1059                 f->fmt.pix.field        = fh->vidq.field;
1060                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1061                 f->fmt.pix.bytesperline =
1062                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1063                 f->fmt.pix.sizeimage =
1064                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1065                 return 0;
1066         case V4L2_BUF_TYPE_VBI_CAPTURE:
1067                 cx8800_vbi_fmt(dev, f);
1068                 return 0;
1069         default:
1070                 return -EINVAL;
1071         }
1072 }
1073
1074 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1075                           struct v4l2_format *f)
1076 {
1077         struct cx88_core *core = dev->core;
1078
1079         switch (f->type) {
1080         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1081         {
1082                 struct cx8800_fmt *fmt;
1083                 enum v4l2_field field;
1084                 unsigned int maxw, maxh;
1085
1086                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1087                 if (NULL == fmt)
1088                         return -EINVAL;
1089
1090                 field = f->fmt.pix.field;
1091                 maxw  = norm_maxw(core->tvnorm);
1092                 maxh  = norm_maxh(core->tvnorm);
1093
1094                 if (V4L2_FIELD_ANY == field) {
1095                         field = (f->fmt.pix.height > maxh/2)
1096                                 ? V4L2_FIELD_INTERLACED
1097                                 : V4L2_FIELD_BOTTOM;
1098                 }
1099
1100                 switch (field) {
1101                 case V4L2_FIELD_TOP:
1102                 case V4L2_FIELD_BOTTOM:
1103                         maxh = maxh / 2;
1104                         break;
1105                 case V4L2_FIELD_INTERLACED:
1106                         break;
1107                 default:
1108                         return -EINVAL;
1109                 }
1110
1111                 f->fmt.pix.field = field;
1112                 if (f->fmt.pix.height < 32)
1113                         f->fmt.pix.height = 32;
1114                 if (f->fmt.pix.height > maxh)
1115                         f->fmt.pix.height = maxh;
1116                 if (f->fmt.pix.width < 48)
1117                         f->fmt.pix.width = 48;
1118                 if (f->fmt.pix.width > maxw)
1119                         f->fmt.pix.width = maxw;
1120                 f->fmt.pix.width &= ~0x03;
1121                 f->fmt.pix.bytesperline =
1122                         (f->fmt.pix.width * fmt->depth) >> 3;
1123                 f->fmt.pix.sizeimage =
1124                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1125
1126                 return 0;
1127         }
1128         case V4L2_BUF_TYPE_VBI_CAPTURE:
1129                 cx8800_vbi_fmt(dev, f);
1130                 return 0;
1131         default:
1132                 return -EINVAL;
1133         }
1134 }
1135
1136 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1137                         struct v4l2_format *f)
1138 {
1139         int err;
1140
1141         switch (f->type) {
1142         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1143                 err = cx8800_try_fmt(dev,fh,f);
1144                 if (0 != err)
1145                         return err;
1146
1147                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1148                 fh->width      = f->fmt.pix.width;
1149                 fh->height     = f->fmt.pix.height;
1150                 fh->vidq.field = f->fmt.pix.field;
1151                 return 0;
1152         case V4L2_BUF_TYPE_VBI_CAPTURE:
1153                 cx8800_vbi_fmt(dev, f);
1154                 return 0;
1155         default:
1156                 return -EINVAL;
1157         }
1158 }
1159
1160 /*
1161  * This function is _not_ called directly, but from
1162  * video_generic_ioctl (and maybe others).  userspace
1163  * copying is done already, arg is a kernel pointer.
1164  */
1165 static int video_do_ioctl(struct inode *inode, struct file *file,
1166                           unsigned int cmd, void *arg)
1167 {
1168         struct cx8800_fh  *fh   = file->private_data;
1169         struct cx8800_dev *dev  = fh->dev;
1170         struct cx88_core  *core = dev->core;
1171         int err;
1172
1173         if (video_debug > 1)
1174                 v4l_print_ioctl(core->name,cmd);
1175         switch (cmd) {
1176
1177         /* --- capabilities ------------------------------------------ */
1178         case VIDIOC_QUERYCAP:
1179         {
1180                 struct v4l2_capability *cap = arg;
1181
1182                 memset(cap,0,sizeof(*cap));
1183                 strcpy(cap->driver, "cx8800");
1184                 strlcpy(cap->card, cx88_boards[core->board].name,
1185                         sizeof(cap->card));
1186                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1187                 cap->version = CX88_VERSION_CODE;
1188                 cap->capabilities =
1189                         V4L2_CAP_VIDEO_CAPTURE |
1190                         V4L2_CAP_READWRITE     |
1191                         V4L2_CAP_STREAMING     |
1192                         V4L2_CAP_VBI_CAPTURE   |
1193                         0;
1194                 if (UNSET != core->tuner_type)
1195                         cap->capabilities |= V4L2_CAP_TUNER;
1196                 return 0;
1197         }
1198
1199         /* --- capture ioctls ---------------------------------------- */
1200         case VIDIOC_ENUM_FMT:
1201         {
1202                 struct v4l2_fmtdesc *f = arg;
1203                 enum v4l2_buf_type type;
1204                 unsigned int index;
1205
1206                 index = f->index;
1207                 type  = f->type;
1208                 switch (type) {
1209                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1210                         if (index >= ARRAY_SIZE(formats))
1211                                 return -EINVAL;
1212                         memset(f,0,sizeof(*f));
1213                         f->index = index;
1214                         f->type  = type;
1215                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1216                         f->pixelformat = formats[index].fourcc;
1217                         break;
1218                 default:
1219                         return -EINVAL;
1220                 }
1221                 return 0;
1222         }
1223         case VIDIOC_G_FMT:
1224         {
1225                 struct v4l2_format *f = arg;
1226                 return cx8800_g_fmt(dev,fh,f);
1227         }
1228         case VIDIOC_S_FMT:
1229         {
1230                 struct v4l2_format *f = arg;
1231                 return cx8800_s_fmt(dev,fh,f);
1232         }
1233         case VIDIOC_TRY_FMT:
1234         {
1235                 struct v4l2_format *f = arg;
1236                 return cx8800_try_fmt(dev,fh,f);
1237         }
1238 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1239         /* --- streaming capture ------------------------------------- */
1240         case VIDIOCGMBUF:
1241         {
1242                 struct video_mbuf *mbuf = arg;
1243                 struct videobuf_queue *q;
1244                 struct v4l2_requestbuffers req;
1245                 unsigned int i;
1246
1247                 q = get_queue(fh);
1248                 memset(&req,0,sizeof(req));
1249                 req.type   = q->type;
1250                 req.count  = 8;
1251                 req.memory = V4L2_MEMORY_MMAP;
1252                 err = videobuf_reqbufs(q,&req);
1253                 if (err < 0)
1254                         return err;
1255                 memset(mbuf,0,sizeof(*mbuf));
1256                 mbuf->frames = req.count;
1257                 mbuf->size   = 0;
1258                 for (i = 0; i < mbuf->frames; i++) {
1259                         mbuf->offsets[i]  = q->bufs[i]->boff;
1260                         mbuf->size       += q->bufs[i]->bsize;
1261                 }
1262                 return 0;
1263         }
1264 #endif
1265         case VIDIOC_REQBUFS:
1266                 return videobuf_reqbufs(get_queue(fh), arg);
1267
1268         case VIDIOC_QUERYBUF:
1269                 return videobuf_querybuf(get_queue(fh), arg);
1270
1271         case VIDIOC_QBUF:
1272                 return videobuf_qbuf(get_queue(fh), arg);
1273
1274         case VIDIOC_DQBUF:
1275                 return videobuf_dqbuf(get_queue(fh), arg,
1276                                         file->f_flags & O_NONBLOCK);
1277
1278         case VIDIOC_STREAMON:
1279         {
1280                 int res = get_ressource(fh);
1281
1282                 if (!res_get(dev,fh,res))
1283                         return -EBUSY;
1284                 return videobuf_streamon(get_queue(fh));
1285         }
1286         case VIDIOC_STREAMOFF:
1287         {
1288                 int res = get_ressource(fh);
1289
1290                 err = videobuf_streamoff(get_queue(fh));
1291                 if (err < 0)
1292                         return err;
1293                 res_free(dev,fh,res);
1294                 return 0;
1295         }
1296         default:
1297                 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1298         }
1299         return 0;
1300 }
1301
1302 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1303                   struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1304 {
1305         int err;
1306
1307        if (video_debug) {
1308                if (video_debug > 1) {
1309                        if (_IOC_DIR(cmd) & _IOC_WRITE)
1310                                v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
1311                        else if (!_IOC_DIR(cmd) & _IOC_READ) {
1312                                v4l_print_ioctl("cx88", cmd);
1313                        }
1314                } else
1315                        v4l_print_ioctl(core->name,cmd);
1316
1317        }
1318
1319         switch (cmd) {
1320         /* ---------- tv norms ---------- */
1321         case VIDIOC_ENUMSTD:
1322         {
1323                 struct v4l2_standard *e = arg;
1324                 unsigned int i;
1325
1326                 i = e->index;
1327                 if (i >= ARRAY_SIZE(tvnorms))
1328                         return -EINVAL;
1329                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1330                                                tvnorms[e->index].name);
1331                 e->index = i;
1332                 if (err < 0)
1333                         return err;
1334                 return 0;
1335         }
1336         case VIDIOC_G_STD:
1337         {
1338                 v4l2_std_id *id = arg;
1339
1340                 *id = core->tvnorm->id;
1341                 return 0;
1342         }
1343         case VIDIOC_S_STD:
1344         {
1345                 v4l2_std_id *id = arg;
1346                 unsigned int i;
1347
1348                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1349                         if (*id & tvnorms[i].id)
1350                                 break;
1351                 if (i == ARRAY_SIZE(tvnorms))
1352                         return -EINVAL;
1353
1354                 mutex_lock(&core->lock);
1355                 cx88_set_tvnorm(core,&tvnorms[i]);
1356                 mutex_unlock(&core->lock);
1357                 return 0;
1358         }
1359
1360         /* ------ input switching ---------- */
1361         case VIDIOC_ENUMINPUT:
1362         {
1363                 static const char *iname[] = {
1364                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1365                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1366                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1367                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1368                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1369                         [ CX88_VMUX_TELEVISION ] = "Television",
1370                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1371                         [ CX88_VMUX_DVB        ] = "DVB",
1372                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1373                 };
1374                 struct v4l2_input *i = arg;
1375                 unsigned int n;
1376
1377                 n = i->index;
1378                 if (n >= 4)
1379                         return -EINVAL;
1380                 if (0 == INPUT(n)->type)
1381                         return -EINVAL;
1382                 memset(i,0,sizeof(*i));
1383                 i->index = n;
1384                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1385                 strcpy(i->name,iname[INPUT(n)->type]);
1386                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1387                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1388                         i->type = V4L2_INPUT_TYPE_TUNER;
1389                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1390                         i->std |= tvnorms[n].id;
1391                 return 0;
1392         }
1393         case VIDIOC_G_INPUT:
1394         {
1395                 unsigned int *i = arg;
1396
1397                 *i = core->input;
1398                 return 0;
1399         }
1400         case VIDIOC_S_INPUT:
1401         {
1402                 unsigned int *i = arg;
1403
1404                 if (*i >= 4)
1405                         return -EINVAL;
1406                 mutex_lock(&core->lock);
1407                 cx88_newstation(core);
1408                 video_mux(core,*i);
1409                 mutex_unlock(&core->lock);
1410                 return 0;
1411         }
1412
1413
1414
1415         /* --- controls ---------------------------------------------- */
1416         case VIDIOC_QUERYCTRL:
1417         {
1418                 struct v4l2_queryctrl *c = arg;
1419
1420                 return cx88_queryctrl(c);
1421         }
1422         case VIDIOC_G_CTRL:
1423                 return get_control(core,arg);
1424         case VIDIOC_S_CTRL:
1425                 return set_control(core,arg);
1426
1427         /* --- tuner ioctls ------------------------------------------ */
1428         case VIDIOC_G_TUNER:
1429         {
1430                 struct v4l2_tuner *t = arg;
1431                 u32 reg;
1432
1433                 if (UNSET == core->tuner_type)
1434                         return -EINVAL;
1435                 if (0 != t->index)
1436                         return -EINVAL;
1437
1438                 memset(t,0,sizeof(*t));
1439                 strcpy(t->name, "Television");
1440                 t->type       = V4L2_TUNER_ANALOG_TV;
1441                 t->capability = V4L2_TUNER_CAP_NORM;
1442                 t->rangehigh  = 0xffffffffUL;
1443
1444                 cx88_get_stereo(core ,t);
1445                 reg = cx_read(MO_DEVICE_STATUS);
1446                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1447                 return 0;
1448         }
1449         case VIDIOC_S_TUNER:
1450         {
1451                 struct v4l2_tuner *t = arg;
1452
1453                 if (UNSET == core->tuner_type)
1454                         return -EINVAL;
1455                 if (0 != t->index)
1456                         return -EINVAL;
1457                 cx88_set_stereo(core, t->audmode, 1);
1458                 return 0;
1459         }
1460         case VIDIOC_G_FREQUENCY:
1461         {
1462                 struct v4l2_frequency *f = arg;
1463
1464                 memset(f,0,sizeof(*f));
1465
1466                 if (UNSET == core->tuner_type)
1467                         return -EINVAL;
1468
1469                 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1470                 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1471                 f->frequency = core->freq;
1472
1473                 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1474
1475                 return 0;
1476         }
1477         case VIDIOC_S_FREQUENCY:
1478         {
1479                 struct v4l2_frequency *f = arg;
1480
1481                 if (UNSET == core->tuner_type)
1482                         return -EINVAL;
1483                 if (f->tuner != 0)
1484                         return -EINVAL;
1485                 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1486                         return -EINVAL;
1487                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1488                         return -EINVAL;
1489                 mutex_lock(&core->lock);
1490                 core->freq = f->frequency;
1491                 cx88_newstation(core);
1492                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1493
1494                 /* When changing channels it is required to reset TVAUDIO */
1495                 msleep (10);
1496                 cx88_set_tvaudio(core);
1497
1498                 mutex_unlock(&core->lock);
1499                 return 0;
1500         }
1501 #ifdef CONFIG_VIDEO_ADV_DEBUG
1502         /* ioctls to allow direct acces to the cx2388x registers */
1503         case VIDIOC_INT_G_REGISTER:
1504         {
1505                 struct v4l2_register *reg = arg;
1506
1507                 if (reg->i2c_id != 0)
1508                         return -EINVAL;
1509                 /* cx2388x has a 24-bit register space */
1510                 reg->val = cx_read(reg->reg&0xffffff);
1511                 return 0;
1512         }
1513         case VIDIOC_INT_S_REGISTER:
1514         {
1515                 struct v4l2_register *reg = arg;
1516
1517                 if (reg->i2c_id != 0)
1518                         return -EINVAL;
1519                 if (!capable(CAP_SYS_ADMIN))
1520                         return -EPERM;
1521                 cx_write(reg->reg&0xffffff, reg->val);
1522                 return 0;
1523         }
1524 #endif
1525
1526         default:
1527                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1528                                                   driver_ioctl);
1529         }
1530         return 0;
1531 }
1532
1533 static int video_ioctl(struct inode *inode, struct file *file,
1534                        unsigned int cmd, unsigned long arg)
1535 {
1536        int retval;
1537
1538        retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1539
1540        if (video_debug > 1) {
1541                if (retval < 0) {
1542                        v4l_print_ioctl("cx88(err)", cmd);
1543                        printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval);
1544                } else if (_IOC_DIR(cmd) & _IOC_READ)
1545                        v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg);
1546        }
1547
1548        return retval;
1549 }
1550
1551 /* ----------------------------------------------------------- */
1552
1553 static int radio_do_ioctl(struct inode *inode, struct file *file,
1554                         unsigned int cmd, void *arg)
1555 {
1556         struct cx8800_fh *fh    = file->private_data;
1557         struct cx8800_dev *dev  = fh->dev;
1558         struct cx88_core  *core = dev->core;
1559
1560         if (video_debug > 1)
1561                 v4l_print_ioctl(core->name,cmd);
1562
1563         switch (cmd) {
1564         case VIDIOC_QUERYCAP:
1565         {
1566                 struct v4l2_capability *cap = arg;
1567
1568                 memset(cap,0,sizeof(*cap));
1569                 strcpy(cap->driver, "cx8800");
1570                 strlcpy(cap->card, cx88_boards[core->board].name,
1571                         sizeof(cap->card));
1572                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1573                 cap->version = CX88_VERSION_CODE;
1574                 cap->capabilities = V4L2_CAP_TUNER;
1575                 return 0;
1576         }
1577         case VIDIOC_G_TUNER:
1578         {
1579                 struct v4l2_tuner *t = arg;
1580
1581                 if (t->index > 0)
1582                         return -EINVAL;
1583
1584                 memset(t,0,sizeof(*t));
1585                 strcpy(t->name, "Radio");
1586                 t->type = V4L2_TUNER_RADIO;
1587
1588                 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1589                 return 0;
1590         }
1591         case VIDIOC_ENUMINPUT:
1592         {
1593                 struct v4l2_input *i = arg;
1594
1595                 if (i->index != 0)
1596                         return -EINVAL;
1597                 strcpy(i->name,"Radio");
1598                 i->type = V4L2_INPUT_TYPE_TUNER;
1599                 return 0;
1600         }
1601         case VIDIOC_G_INPUT:
1602         {
1603                 int *i = arg;
1604                 *i = 0;
1605                 return 0;
1606         }
1607         case VIDIOC_G_AUDIO:
1608         {
1609                 struct v4l2_audio *a = arg;
1610
1611                 memset(a,0,sizeof(*a));
1612                 strcpy(a->name,"Radio");
1613                 return 0;
1614         }
1615         case VIDIOC_G_STD:
1616         {
1617                 v4l2_std_id *id = arg;
1618                 *id = 0;
1619                 return 0;
1620         }
1621 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1622         case VIDIOCSTUNER:
1623         {
1624                 struct video_tuner *v = arg;
1625
1626                 if (v->tuner) /* Only tuner 0 */
1627                         return -EINVAL;
1628
1629                 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1630                 return 0;
1631         }
1632 #endif
1633         case VIDIOC_S_TUNER:
1634         {
1635                 struct v4l2_tuner *t = arg;
1636
1637                 if (0 != t->index)
1638                         return -EINVAL;
1639
1640                 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1641
1642                 return 0;
1643         }
1644
1645         case VIDIOC_S_AUDIO:
1646         case VIDIOC_S_INPUT:
1647         case VIDIOC_S_STD:
1648                 return 0;
1649
1650         case VIDIOC_QUERYCTRL:
1651         {
1652                 struct v4l2_queryctrl *c = arg;
1653                 int i;
1654
1655                 if (c->id <  V4L2_CID_BASE ||
1656                     c->id >= V4L2_CID_LASTP1)
1657                         return -EINVAL;
1658                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1659                         for (i = 0; i < CX8800_CTLS; i++)
1660                                 if (cx8800_ctls[i].v.id == c->id)
1661                                         break;
1662                         *c = cx8800_ctls[i].v;
1663                 } else
1664                         *c = no_ctl;
1665                 return 0;
1666         }
1667
1668
1669         case VIDIOC_G_CTRL:
1670         case VIDIOC_S_CTRL:
1671         case VIDIOC_G_FREQUENCY:
1672         case VIDIOC_S_FREQUENCY:
1673                 return video_do_ioctl(inode,file,cmd,arg);
1674
1675         default:
1676                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1677                                                   radio_do_ioctl);
1678         }
1679         return 0;
1680 };
1681
1682 static int radio_ioctl(struct inode *inode, struct file *file,
1683                         unsigned int cmd, unsigned long arg)
1684 {
1685         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1686 };
1687
1688 /* ----------------------------------------------------------- */
1689
1690 static void cx8800_vid_timeout(unsigned long data)
1691 {
1692         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1693         struct cx88_core *core = dev->core;
1694         struct cx88_dmaqueue *q = &dev->vidq;
1695         struct cx88_buffer *buf;
1696         unsigned long flags;
1697
1698         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1699
1700         cx_clear(MO_VID_DMACNTRL, 0x11);
1701         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1702
1703         spin_lock_irqsave(&dev->slock,flags);
1704         while (!list_empty(&q->active)) {
1705                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1706                 list_del(&buf->vb.queue);
1707                 buf->vb.state = STATE_ERROR;
1708                 wake_up(&buf->vb.done);
1709                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1710                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1711         }
1712         restart_video_queue(dev,q);
1713         spin_unlock_irqrestore(&dev->slock,flags);
1714 }
1715
1716 static char *cx88_vid_irqs[32] = {
1717         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1718         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1719         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1720         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1721         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1722 };
1723
1724 static void cx8800_vid_irq(struct cx8800_dev *dev)
1725 {
1726         struct cx88_core *core = dev->core;
1727         u32 status, mask, count;
1728
1729         status = cx_read(MO_VID_INTSTAT);
1730         mask   = cx_read(MO_VID_INTMSK);
1731         if (0 == (status & mask))
1732                 return;
1733         cx_write(MO_VID_INTSTAT, status);
1734         if (irq_debug  ||  (status & mask & ~0xff))
1735                 cx88_print_irqbits(core->name, "irq vid",
1736                                    cx88_vid_irqs, status, mask);
1737
1738         /* risc op code error */
1739         if (status & (1 << 16)) {
1740                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1741                 cx_clear(MO_VID_DMACNTRL, 0x11);
1742                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1743                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1744         }
1745
1746         /* risc1 y */
1747         if (status & 0x01) {
1748                 spin_lock(&dev->slock);
1749                 count = cx_read(MO_VIDY_GPCNT);
1750                 cx88_wakeup(core, &dev->vidq, count);
1751                 spin_unlock(&dev->slock);
1752         }
1753
1754         /* risc1 vbi */
1755         if (status & 0x08) {
1756                 spin_lock(&dev->slock);
1757                 count = cx_read(MO_VBI_GPCNT);
1758                 cx88_wakeup(core, &dev->vbiq, count);
1759                 spin_unlock(&dev->slock);
1760         }
1761
1762         /* risc2 y */
1763         if (status & 0x10) {
1764                 dprintk(2,"stopper video\n");
1765                 spin_lock(&dev->slock);
1766                 restart_video_queue(dev,&dev->vidq);
1767                 spin_unlock(&dev->slock);
1768         }
1769
1770         /* risc2 vbi */
1771         if (status & 0x80) {
1772                 dprintk(2,"stopper vbi\n");
1773                 spin_lock(&dev->slock);
1774                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1775                 spin_unlock(&dev->slock);
1776         }
1777 }
1778
1779 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1780 {
1781         struct cx8800_dev *dev = dev_id;
1782         struct cx88_core *core = dev->core;
1783         u32 status;
1784         int loop, handled = 0;
1785
1786         for (loop = 0; loop < 10; loop++) {
1787                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1788                 if (0 == status)
1789                         goto out;
1790                 cx_write(MO_PCI_INTSTAT, status);
1791                 handled = 1;
1792
1793                 if (status & core->pci_irqmask)
1794                         cx88_core_irq(core,status);
1795                 if (status & 0x01)
1796                         cx8800_vid_irq(dev);
1797         };
1798         if (10 == loop) {
1799                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1800                        core->name);
1801                 cx_write(MO_PCI_INTMSK,0);
1802         }
1803
1804  out:
1805         return IRQ_RETVAL(handled);
1806 }
1807
1808 /* ----------------------------------------------------------- */
1809 /* exported stuff                                              */
1810
1811 static const struct file_operations video_fops =
1812 {
1813         .owner         = THIS_MODULE,
1814         .open          = video_open,
1815         .release       = video_release,
1816         .read          = video_read,
1817         .poll          = video_poll,
1818         .mmap          = video_mmap,
1819         .ioctl         = video_ioctl,
1820         .compat_ioctl  = v4l_compat_ioctl32,
1821         .llseek        = no_llseek,
1822 };
1823
1824 static struct video_device cx8800_video_template =
1825 {
1826         .name          = "cx8800-video",
1827         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1828         .hardware      = 0,
1829         .fops          = &video_fops,
1830         .minor         = -1,
1831 };
1832
1833 static struct video_device cx8800_vbi_template =
1834 {
1835         .name          = "cx8800-vbi",
1836         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1837         .hardware      = 0,
1838         .fops          = &video_fops,
1839         .minor         = -1,
1840 };
1841
1842 static const struct file_operations radio_fops =
1843 {
1844         .owner         = THIS_MODULE,
1845         .open          = video_open,
1846         .release       = video_release,
1847         .ioctl         = radio_ioctl,
1848         .compat_ioctl  = v4l_compat_ioctl32,
1849         .llseek        = no_llseek,
1850 };
1851
1852 static struct video_device cx8800_radio_template =
1853 {
1854         .name          = "cx8800-radio",
1855         .type          = VID_TYPE_TUNER,
1856         .hardware      = 0,
1857         .fops          = &radio_fops,
1858         .minor         = -1,
1859 };
1860
1861 /* ----------------------------------------------------------- */
1862
1863 static void cx8800_unregister_video(struct cx8800_dev *dev)
1864 {
1865         if (dev->radio_dev) {
1866                 if (-1 != dev->radio_dev->minor)
1867                         video_unregister_device(dev->radio_dev);
1868                 else
1869                         video_device_release(dev->radio_dev);
1870                 dev->radio_dev = NULL;
1871         }
1872         if (dev->vbi_dev) {
1873                 if (-1 != dev->vbi_dev->minor)
1874                         video_unregister_device(dev->vbi_dev);
1875                 else
1876                         video_device_release(dev->vbi_dev);
1877                 dev->vbi_dev = NULL;
1878         }
1879         if (dev->video_dev) {
1880                 if (-1 != dev->video_dev->minor)
1881                         video_unregister_device(dev->video_dev);
1882                 else
1883                         video_device_release(dev->video_dev);
1884                 dev->video_dev = NULL;
1885         }
1886 }
1887
1888 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1889                                     const struct pci_device_id *pci_id)
1890 {
1891         struct cx8800_dev *dev;
1892         struct cx88_core *core;
1893         int err;
1894
1895         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1896         if (NULL == dev)
1897                 return -ENOMEM;
1898
1899         /* pci init */
1900         dev->pci = pci_dev;
1901         if (pci_enable_device(pci_dev)) {
1902                 err = -EIO;
1903                 goto fail_free;
1904         }
1905         core = cx88_core_get(dev->pci);
1906         if (NULL == core) {
1907                 err = -EINVAL;
1908                 goto fail_free;
1909         }
1910         dev->core = core;
1911
1912         /* print pci info */
1913         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1914         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1915         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1916                "latency: %d, mmio: 0x%llx\n", core->name,
1917                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1918                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1919
1920         pci_set_master(pci_dev);
1921         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1922                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1923                 err = -EIO;
1924                 goto fail_core;
1925         }
1926
1927         /* initialize driver struct */
1928         spin_lock_init(&dev->slock);
1929         core->tvnorm = tvnorms;
1930
1931         /* init video dma queues */
1932         INIT_LIST_HEAD(&dev->vidq.active);
1933         INIT_LIST_HEAD(&dev->vidq.queued);
1934         dev->vidq.timeout.function = cx8800_vid_timeout;
1935         dev->vidq.timeout.data     = (unsigned long)dev;
1936         init_timer(&dev->vidq.timeout);
1937         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1938                           MO_VID_DMACNTRL,0x11,0x00);
1939
1940         /* init vbi dma queues */
1941         INIT_LIST_HEAD(&dev->vbiq.active);
1942         INIT_LIST_HEAD(&dev->vbiq.queued);
1943         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1944         dev->vbiq.timeout.data     = (unsigned long)dev;
1945         init_timer(&dev->vbiq.timeout);
1946         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1947                           MO_VID_DMACNTRL,0x88,0x00);
1948
1949         /* get irq */
1950         err = request_irq(pci_dev->irq, cx8800_irq,
1951                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1952         if (err < 0) {
1953                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1954                        core->name,pci_dev->irq);
1955                 goto fail_core;
1956         }
1957         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1958
1959         /* load and configure helper modules */
1960         if (TUNER_ABSENT != core->tuner_type)
1961                 request_module("tuner");
1962
1963         if (cx88_boards[ core->board ].audio_chip == AUDIO_CHIP_WM8775)
1964                 request_module("wm8775");
1965
1966         /* register v4l devices */
1967         dev->video_dev = cx88_vdev_init(core,dev->pci,
1968                                         &cx8800_video_template,"video");
1969         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1970                                     video_nr[core->nr]);
1971         if (err < 0) {
1972                 printk(KERN_INFO "%s: can't register video device\n",
1973                        core->name);
1974                 goto fail_unreg;
1975         }
1976         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1977                core->name,dev->video_dev->minor & 0x1f);
1978
1979         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1980         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1981                                     vbi_nr[core->nr]);
1982         if (err < 0) {
1983                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1984                        core->name);
1985                 goto fail_unreg;
1986         }
1987         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1988                core->name,dev->vbi_dev->minor & 0x1f);
1989
1990         if (core->has_radio) {
1991                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1992                                                 &cx8800_radio_template,"radio");
1993                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1994                                             radio_nr[core->nr]);
1995                 if (err < 0) {
1996                         printk(KERN_INFO "%s/0: can't register radio device\n",
1997                                core->name);
1998                         goto fail_unreg;
1999                 }
2000                 printk(KERN_INFO "%s/0: registered device radio%d\n",
2001                        core->name,dev->radio_dev->minor & 0x1f);
2002         }
2003
2004         /* everything worked */
2005         list_add_tail(&dev->devlist,&cx8800_devlist);
2006         pci_set_drvdata(pci_dev,dev);
2007
2008         /* initial device configuration */
2009         mutex_lock(&core->lock);
2010         cx88_set_tvnorm(core,tvnorms);
2011         init_controls(core);
2012         video_mux(core,0);
2013         mutex_unlock(&core->lock);
2014
2015         /* start tvaudio thread */
2016         if (core->tuner_type != TUNER_ABSENT)
2017                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
2018         return 0;
2019
2020 fail_unreg:
2021         cx8800_unregister_video(dev);
2022         free_irq(pci_dev->irq, dev);
2023 fail_core:
2024         cx88_core_put(core,dev->pci);
2025 fail_free:
2026         kfree(dev);
2027         return err;
2028 }
2029
2030 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
2031 {
2032         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2033         struct cx88_core *core = dev->core;
2034
2035         /* stop thread */
2036         if (core->kthread) {
2037                 kthread_stop(core->kthread);
2038                 core->kthread = NULL;
2039         }
2040
2041         cx88_shutdown(core); /* FIXME */
2042         pci_disable_device(pci_dev);
2043
2044         /* unregister stuff */
2045
2046         free_irq(pci_dev->irq, dev);
2047         cx8800_unregister_video(dev);
2048         pci_set_drvdata(pci_dev, NULL);
2049
2050         /* free memory */
2051         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2052         list_del(&dev->devlist);
2053         cx88_core_put(core,dev->pci);
2054         kfree(dev);
2055 }
2056
2057 #ifdef CONFIG_PM
2058 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2059 {
2060         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2061         struct cx88_core *core = dev->core;
2062
2063         /* stop video+vbi capture */
2064         spin_lock(&dev->slock);
2065         if (!list_empty(&dev->vidq.active)) {
2066                 printk("%s: suspend video\n", core->name);
2067                 stop_video_dma(dev);
2068                 del_timer(&dev->vidq.timeout);
2069         }
2070         if (!list_empty(&dev->vbiq.active)) {
2071                 printk("%s: suspend vbi\n", core->name);
2072                 cx8800_stop_vbi_dma(dev);
2073                 del_timer(&dev->vbiq.timeout);
2074         }
2075         spin_unlock(&dev->slock);
2076
2077         /* FIXME -- shutdown device */
2078         cx88_shutdown(core);
2079
2080         pci_save_state(pci_dev);
2081         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2082                 pci_disable_device(pci_dev);
2083                 dev->state.disabled = 1;
2084         }
2085         return 0;
2086 }
2087
2088 static int cx8800_resume(struct pci_dev *pci_dev)
2089 {
2090         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2091         struct cx88_core *core = dev->core;
2092         int err;
2093
2094         if (dev->state.disabled) {
2095                 err=pci_enable_device(pci_dev);
2096                 if (err) {
2097                         printk(KERN_ERR "%s: can't enable device\n",
2098                                                        core->name);
2099                         return err;
2100                 }
2101
2102                 dev->state.disabled = 0;
2103         }
2104         err= pci_set_power_state(pci_dev, PCI_D0);
2105         if (err) {
2106                 printk(KERN_ERR "%s: can't enable device\n",
2107                                        core->name);
2108
2109                 pci_disable_device(pci_dev);
2110                 dev->state.disabled = 1;
2111
2112                 return err;
2113         }
2114         pci_restore_state(pci_dev);
2115
2116         /* FIXME: re-initialize hardware */
2117         cx88_reset(core);
2118
2119         /* restart video+vbi capture */
2120         spin_lock(&dev->slock);
2121         if (!list_empty(&dev->vidq.active)) {
2122                 printk("%s: resume video\n", core->name);
2123                 restart_video_queue(dev,&dev->vidq);
2124         }
2125         if (!list_empty(&dev->vbiq.active)) {
2126                 printk("%s: resume vbi\n", core->name);
2127                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2128         }
2129         spin_unlock(&dev->slock);
2130
2131         return 0;
2132 }
2133 #endif
2134
2135 /* ----------------------------------------------------------- */
2136
2137 static struct pci_device_id cx8800_pci_tbl[] = {
2138         {
2139                 .vendor       = 0x14f1,
2140                 .device       = 0x8800,
2141                 .subvendor    = PCI_ANY_ID,
2142                 .subdevice    = PCI_ANY_ID,
2143         },{
2144                 /* --- end of list --- */
2145         }
2146 };
2147 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2148
2149 static struct pci_driver cx8800_pci_driver = {
2150         .name     = "cx8800",
2151         .id_table = cx8800_pci_tbl,
2152         .probe    = cx8800_initdev,
2153         .remove   = __devexit_p(cx8800_finidev),
2154 #ifdef CONFIG_PM
2155         .suspend  = cx8800_suspend,
2156         .resume   = cx8800_resume,
2157 #endif
2158 };
2159
2160 static int cx8800_init(void)
2161 {
2162         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2163                (CX88_VERSION_CODE >> 16) & 0xff,
2164                (CX88_VERSION_CODE >>  8) & 0xff,
2165                CX88_VERSION_CODE & 0xff);
2166 #ifdef SNAPSHOT
2167         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2168                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2169 #endif
2170         return pci_register_driver(&cx8800_pci_driver);
2171 }
2172
2173 static void cx8800_fini(void)
2174 {
2175         pci_unregister_driver(&cx8800_pci_driver);
2176 }
2177
2178 module_init(cx8800_init);
2179 module_exit(cx8800_fini);
2180
2181 EXPORT_SYMBOL(cx88_do_ioctl);
2182
2183 /* ----------------------------------------------------------- */
2184 /*
2185  * Local variables:
2186  * c-basic-offset: 8
2187  * End:
2188  * 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
2189  */