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