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

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/smp_lock.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/dma-mapping.h>
  37 #include <linux/delay.h>
  38 #include <linux/kthread.h>
  39 #include <asm/div64.h>
  40
  41 #include "cx88.h"
  42 #include <media/v4l2-common.h>
  43 #include <media/v4l2-ioctl.h>
  44
  45 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  46 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  47 MODULE_LICENSE("GPL");
  48
  49 /* ------------------------------------------------------------------ */
  50
  51 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54
  55 module_param_array(video_nr, int, NULL, 0444);
  56 module_param_array(vbi_nr,   int, NULL, 0444);
  57 module_param_array(radio_nr, int, NULL, 0444);
  58
  59 MODULE_PARM_DESC(video_nr,"video device numbers");
  60 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  61 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  62
  63 static unsigned int video_debug;
  64 module_param(video_debug,int,0644);
  65 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  66
  67 static unsigned int irq_debug;
  68 module_param(irq_debug,int,0644);
  69 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  70
  71 static unsigned int vid_limit = 16;
  72 module_param(vid_limit,int,0644);
  73 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  74
  75 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  76         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  77
  78 /* ------------------------------------------------------------------- */
  79 /* static data                                                         */
  80
  81 static struct cx8800_fmt formats[] = {
  82         {
  83                 .name     = "8 bpp, gray",
  84                 .fourcc   = V4L2_PIX_FMT_GREY,
  85                 .cxformat = ColorFormatY8,
  86                 .depth    = 8,
  87                 .flags    = FORMAT_FLAGS_PACKED,
  88         },{
  89                 .name     = "15 bpp RGB, le",
  90                 .fourcc   = V4L2_PIX_FMT_RGB555,
  91                 .cxformat = ColorFormatRGB15,
  92                 .depth    = 16,
  93                 .flags    = FORMAT_FLAGS_PACKED,
  94         },{
  95                 .name     = "15 bpp RGB, be",
  96                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  97                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
  98                 .depth    = 16,
  99                 .flags    = FORMAT_FLAGS_PACKED,
 100         },{
 101                 .name     = "16 bpp RGB, le",
 102                 .fourcc   = V4L2_PIX_FMT_RGB565,
 103                 .cxformat = ColorFormatRGB16,
 104                 .depth    = 16,
 105                 .flags    = FORMAT_FLAGS_PACKED,
 106         },{
 107                 .name     = "16 bpp RGB, be",
 108                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 109                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 110                 .depth    = 16,
 111                 .flags    = FORMAT_FLAGS_PACKED,
 112         },{
 113                 .name     = "24 bpp RGB, le",
 114                 .fourcc   = V4L2_PIX_FMT_BGR24,
 115                 .cxformat = ColorFormatRGB24,
 116                 .depth    = 24,
 117                 .flags    = FORMAT_FLAGS_PACKED,
 118         },{
 119                 .name     = "32 bpp RGB, le",
 120                 .fourcc   = V4L2_PIX_FMT_BGR32,
 121                 .cxformat = ColorFormatRGB32,
 122                 .depth    = 32,
 123                 .flags    = FORMAT_FLAGS_PACKED,
 124         },{
 125                 .name     = "32 bpp RGB, be",
 126                 .fourcc   = V4L2_PIX_FMT_RGB32,
 127                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 128                 .depth    = 32,
 129                 .flags    = FORMAT_FLAGS_PACKED,
 130         },{
 131                 .name     = "4:2:2, packed, YUYV",
 132                 .fourcc   = V4L2_PIX_FMT_YUYV,
 133                 .cxformat = ColorFormatYUY2,
 134                 .depth    = 16,
 135                 .flags    = FORMAT_FLAGS_PACKED,
 136         },{
 137                 .name     = "4:2:2, packed, UYVY",
 138                 .fourcc   = V4L2_PIX_FMT_UYVY,
 139                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 140                 .depth    = 16,
 141                 .flags    = FORMAT_FLAGS_PACKED,
 142         },
 143 };
 144
 145 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 146 {
 147         unsigned int i;
 148
 149         for (i = 0; i < ARRAY_SIZE(formats); i++)
 150                 if (formats[i].fourcc == fourcc)
 151                         return formats+i;
 152         return NULL;
 153 }
 154
 155 /* ------------------------------------------------------------------- */
 156
 157 static const struct v4l2_queryctrl no_ctl = {
 158         .name  = "42",
 159         .flags = V4L2_CTRL_FLAG_DISABLED,
 160 };
 161
 162 static struct cx88_ctrl cx8800_ctls[] = {
 163         /* --- video --- */
 164         {
 165                 .v = {
 166                         .id            = V4L2_CID_BRIGHTNESS,
 167                         .name          = "Brightness",
 168                         .minimum       = 0x00,
 169                         .maximum       = 0xff,
 170                         .step          = 1,
 171                         .default_value = 0x7f,
 172                         .type          = V4L2_CTRL_TYPE_INTEGER,
 173                 },
 174                 .off                   = 128,
 175                 .reg                   = MO_CONTR_BRIGHT,
 176                 .mask                  = 0x00ff,
 177                 .shift                 = 0,
 178         },{
 179                 .v = {
 180                         .id            = V4L2_CID_CONTRAST,
 181                         .name          = "Contrast",
 182                         .minimum       = 0,
 183                         .maximum       = 0xff,
 184                         .step          = 1,
 185                         .default_value = 0x3f,
 186                         .type          = V4L2_CTRL_TYPE_INTEGER,
 187                 },
 188                 .off                   = 0,
 189                 .reg                   = MO_CONTR_BRIGHT,
 190                 .mask                  = 0xff00,
 191                 .shift                 = 8,
 192         },{
 193                 .v = {
 194                         .id            = V4L2_CID_HUE,
 195                         .name          = "Hue",
 196                         .minimum       = 0,
 197                         .maximum       = 0xff,
 198                         .step          = 1,
 199                         .default_value = 0x7f,
 200                         .type          = V4L2_CTRL_TYPE_INTEGER,
 201                 },
 202                 .off                   = 128,
 203                 .reg                   = MO_HUE,
 204                 .mask                  = 0x00ff,
 205                 .shift                 = 0,
 206         },{
 207                 /* strictly, this only describes only U saturation.
 208                  * V saturation is handled specially through code.
 209                  */
 210                 .v = {
 211                         .id            = V4L2_CID_SATURATION,
 212                         .name          = "Saturation",
 213                         .minimum       = 0,
 214                         .maximum       = 0xff,
 215                         .step          = 1,
 216                         .default_value = 0x7f,
 217                         .type          = V4L2_CTRL_TYPE_INTEGER,
 218                 },
 219                 .off                   = 0,
 220                 .reg                   = MO_UV_SATURATION,
 221                 .mask                  = 0x00ff,
 222                 .shift                 = 0,
 223         },{
 224                 .v = {
 225                         .id            = V4L2_CID_CHROMA_AGC,
 226                         .name          = "Chroma AGC",
 227                         .minimum       = 0,
 228                         .maximum       = 1,
 229                         .default_value = 0x1,
 230                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 231                 },
 232                 .reg                   = MO_INPUT_FORMAT,
 233                 .mask                  = 1 << 10,
 234                 .shift                 = 10,
 235         }, {
 236                 .v = {
 237                         .id            = V4L2_CID_COLOR_KILLER,
 238                         .name          = "Color killer",
 239                         .minimum       = 0,
 240                         .maximum       = 1,
 241                         .default_value = 0x1,
 242                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 243                 },
 244                 .reg                   = MO_INPUT_FORMAT,
 245                 .mask                  = 1 << 9,
 246                 .shift                 = 9,
 247         }, {
 248         /* --- audio --- */
 249                 .v = {
 250                         .id            = V4L2_CID_AUDIO_MUTE,
 251                         .name          = "Mute",
 252                         .minimum       = 0,
 253                         .maximum       = 1,
 254                         .default_value = 1,
 255                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 256                 },
 257                 .reg                   = AUD_VOL_CTL,
 258                 .sreg                  = SHADOW_AUD_VOL_CTL,
 259                 .mask                  = (1 << 6),
 260                 .shift                 = 6,
 261         },{
 262                 .v = {
 263                         .id            = V4L2_CID_AUDIO_VOLUME,
 264                         .name          = "Volume",
 265                         .minimum       = 0,
 266                         .maximum       = 0x3f,
 267                         .step          = 1,
 268                         .default_value = 0x3f,
 269                         .type          = V4L2_CTRL_TYPE_INTEGER,
 270                 },
 271                 .reg                   = AUD_VOL_CTL,
 272                 .sreg                  = SHADOW_AUD_VOL_CTL,
 273                 .mask                  = 0x3f,
 274                 .shift                 = 0,
 275         },{
 276                 .v = {
 277                         .id            = V4L2_CID_AUDIO_BALANCE,
 278                         .name          = "Balance",
 279                         .minimum       = 0,
 280                         .maximum       = 0x7f,
 281                         .step          = 1,
 282                         .default_value = 0x40,
 283                         .type          = V4L2_CTRL_TYPE_INTEGER,
 284                 },
 285                 .reg                   = AUD_BAL_CTL,
 286                 .sreg                  = SHADOW_AUD_BAL_CTL,
 287                 .mask                  = 0x7f,
 288                 .shift                 = 0,
 289         }
 290 };
 291 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 292
 293 /* Must be sorted from low to high control ID! */
 294 const u32 cx88_user_ctrls[] = {
 295         V4L2_CID_USER_CLASS,
 296         V4L2_CID_BRIGHTNESS,
 297         V4L2_CID_CONTRAST,
 298         V4L2_CID_SATURATION,
 299         V4L2_CID_HUE,
 300         V4L2_CID_AUDIO_VOLUME,
 301         V4L2_CID_AUDIO_BALANCE,
 302         V4L2_CID_AUDIO_MUTE,
 303         V4L2_CID_CHROMA_AGC,
 304         V4L2_CID_COLOR_KILLER,
 305         0
 306 };
 307 EXPORT_SYMBOL(cx88_user_ctrls);
 308
 309 static const u32 *ctrl_classes[] = {
 310         cx88_user_ctrls,
 311         NULL
 312 };
 313
 314 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 315 {
 316         int i;
 317
 318         if (qctrl->id < V4L2_CID_BASE ||
 319             qctrl->id >= V4L2_CID_LASTP1)
 320                 return -EINVAL;
 321         for (i = 0; i < CX8800_CTLS; i++)
 322                 if (cx8800_ctls[i].v.id == qctrl->id)
 323                         break;
 324         if (i == CX8800_CTLS) {
 325                 *qctrl = no_ctl;
 326                 return 0;
 327         }
 328         *qctrl = cx8800_ctls[i].v;
 329         /* Report chroma AGC as inactive when SECAM is selected */
 330         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 331             core->tvnorm & V4L2_STD_SECAM)
 332                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 333
 334         return 0;
 335 }
 336 EXPORT_SYMBOL(cx8800_ctrl_query);
 337
 338 /* ------------------------------------------------------------------- */
 339 /* resource management                                                 */
 340
 341 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 342 {
 343         struct cx88_core *core = dev->core;
 344         if (fh->resources & bit)
 345                 /* have it already allocated */
 346                 return 1;
 347
 348         /* is it free? */
 349         mutex_lock(&core->lock);
 350         if (dev->resources & bit) {
 351                 /* no, someone else uses it */
 352                 mutex_unlock(&core->lock);
 353                 return 0;
 354         }
 355         /* it's free, grab it */
 356         fh->resources  |= bit;
 357         dev->resources |= bit;
 358         dprintk(1,"res: get %d\n",bit);
 359         mutex_unlock(&core->lock);
 360         return 1;
 361 }
 362
 363 static
 364 int res_check(struct cx8800_fh *fh, unsigned int bit)
 365 {
 366         return (fh->resources & bit);
 367 }
 368
 369 static
 370 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 371 {
 372         return (dev->resources & bit);
 373 }
 374
 375 static
 376 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 377 {
 378         struct cx88_core *core = dev->core;
 379         BUG_ON((fh->resources & bits) != bits);
 380
 381         mutex_lock(&core->lock);
 382         fh->resources  &= ~bits;
 383         dev->resources &= ~bits;
 384         dprintk(1,"res: put %d\n",bits);
 385         mutex_unlock(&core->lock);
 386 }
 387
 388 /* ------------------------------------------------------------------ */
 389
 390 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 391 {
 392         /* struct cx88_core *core = dev->core; */
 393
 394         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 395                 input, INPUT(input).vmux,
 396                 INPUT(input).gpio0,INPUT(input).gpio1,
 397                 INPUT(input).gpio2,INPUT(input).gpio3);
 398         core->input = input;
 399         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 400         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 401         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 402         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 403         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 404
 405         switch (INPUT(input).type) {
 406         case CX88_VMUX_SVIDEO:
 407                 cx_set(MO_AFECFG_IO,    0x00000001);
 408                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 409                 cx_set(MO_FILTER_EVEN,  0x00002020);
 410                 cx_set(MO_FILTER_ODD,   0x00002020);
 411                 break;
 412         default:
 413                 cx_clear(MO_AFECFG_IO,    0x00000001);
 414                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 415                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 416                 cx_clear(MO_FILTER_ODD,   0x00002020);
 417                 break;
 418         }
 419
 420         /* if there are audioroutes defined, we have an external
 421            ADC to deal with audio */
 422         if (INPUT(input).audioroute) {
 423                 /* The wm8775 module has the "2" route hardwired into
 424                    the initialization. Some boards may use different
 425                    routes for different inputs. HVR-1300 surely does */
 426                 if (core->board.audio_chip &&
 427                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 428                         call_all(core, audio, s_routing,
 429                                  INPUT(input).audioroute, 0, 0);
 430                 }
 431                 /* cx2388's C-ADC is connected to the tuner only.
 432                    When used with S-Video, that ADC is busy dealing with
 433                    chroma, so an external must be used for baseband audio */
 434                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 435                     INPUT(input).type != CX88_VMUX_CABLE) {
 436                         /* "I2S ADC mode" */
 437                         core->tvaudio = WW_I2SADC;
 438                         cx88_set_tvaudio(core);
 439                 } else {
 440                         /* Normal mode */
 441                         cx_write(AUD_I2SCNTL, 0x0);
 442                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 443                 }
 444         }
 445
 446         return 0;
 447 }
 448 EXPORT_SYMBOL(cx88_video_mux);
 449
 450 /* ------------------------------------------------------------------ */
 451
 452 static int start_video_dma(struct cx8800_dev    *dev,
 453                            struct cx88_dmaqueue *q,
 454                            struct cx88_buffer   *buf)
 455 {
 456         struct cx88_core *core = dev->core;
 457
 458         /* setup fifo + format */
 459         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 460                                 buf->bpl, buf->risc.dma);
 461         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 462         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 463
 464         /* reset counter */
 465         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 466         q->count = 1;
 467
 468         /* enable irqs */
 469         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 470
 471         /* Enables corresponding bits at PCI_INT_STAT:
 472                 bits 0 to 4: video, audio, transport stream, VIP, Host
 473                 bit 7: timer
 474                 bits 8 and 9: DMA complete for: SRC, DST
 475                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 476                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 477          */
 478         cx_set(MO_VID_INTMSK, 0x0f0011);
 479
 480         /* enable capture */
 481         cx_set(VID_CAPTURE_CONTROL,0x06);
 482
 483         /* start dma */
 484         cx_set(MO_DEV_CNTRL2, (1<<5));
 485         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 486
 487         return 0;
 488 }
 489
 490 #ifdef CONFIG_PM
 491 static int stop_video_dma(struct cx8800_dev    *dev)
 492 {
 493         struct cx88_core *core = dev->core;
 494
 495         /* stop dma */
 496         cx_clear(MO_VID_DMACNTRL, 0x11);
 497
 498         /* disable capture */
 499         cx_clear(VID_CAPTURE_CONTROL,0x06);
 500
 501         /* disable irqs */
 502         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 503         cx_clear(MO_VID_INTMSK, 0x0f0011);
 504         return 0;
 505 }
 506 #endif
 507
 508 static int restart_video_queue(struct cx8800_dev    *dev,
 509                                struct cx88_dmaqueue *q)
 510 {
 511         struct cx88_core *core = dev->core;
 512         struct cx88_buffer *buf, *prev;
 513
 514         if (!list_empty(&q->active)) {
 515                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 516                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 517                         buf, buf->vb.i);
 518                 start_video_dma(dev, q, buf);
 519                 list_for_each_entry(buf, &q->active, vb.queue)
 520                         buf->count = q->count++;
 521                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 522                 return 0;
 523         }
 524
 525         prev = NULL;
 526         for (;;) {
 527                 if (list_empty(&q->queued))
 528                         return 0;
 529                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 530                 if (NULL == prev) {
 531                         list_move_tail(&buf->vb.queue, &q->active);
 532                         start_video_dma(dev, q, buf);
 533                         buf->vb.state = VIDEOBUF_ACTIVE;
 534                         buf->count    = q->count++;
 535                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 536                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 537                                 buf,buf->vb.i);
 538
 539                 } else if (prev->vb.width  == buf->vb.width  &&
 540                            prev->vb.height == buf->vb.height &&
 541                            prev->fmt       == buf->fmt) {
 542                         list_move_tail(&buf->vb.queue, &q->active);
 543                         buf->vb.state = VIDEOBUF_ACTIVE;
 544                         buf->count    = q->count++;
 545                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 546                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 547                                 buf,buf->vb.i);
 548                 } else {
 549                         return 0;
 550                 }
 551                 prev = buf;
 552         }
 553 }
 554
 555 /* ------------------------------------------------------------------ */
 556
 557 static int
 558 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 559 {
 560         struct cx8800_fh *fh = q->priv_data;
 561
 562         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 563         if (0 == *count)
 564                 *count = 32;
 565         if (*size * *count > vid_limit * 1024 * 1024)
 566                 *count = (vid_limit * 1024 * 1024) / *size;
 567         return 0;
 568 }
 569
 570 static int
 571 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 572                enum v4l2_field field)
 573 {
 574         struct cx8800_fh   *fh  = q->priv_data;
 575         struct cx8800_dev  *dev = fh->dev;
 576         struct cx88_core *core = dev->core;
 577         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 578         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 579         int rc, init_buffer = 0;
 580
 581         BUG_ON(NULL == fh->fmt);
 582         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 583             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 584                 return -EINVAL;
 585         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 586         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 587                 return -EINVAL;
 588
 589         if (buf->fmt       != fh->fmt    ||
 590             buf->vb.width  != fh->width  ||
 591             buf->vb.height != fh->height ||
 592             buf->vb.field  != field) {
 593                 buf->fmt       = fh->fmt;
 594                 buf->vb.width  = fh->width;
 595                 buf->vb.height = fh->height;
 596                 buf->vb.field  = field;
 597                 init_buffer = 1;
 598         }
 599
 600         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 601                 init_buffer = 1;
 602                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 603                         goto fail;
 604         }
 605
 606         if (init_buffer) {
 607                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 608                 switch (buf->vb.field) {
 609                 case V4L2_FIELD_TOP:
 610                         cx88_risc_buffer(dev->pci, &buf->risc,
 611                                          dma->sglist, 0, UNSET,
 612                                          buf->bpl, 0, buf->vb.height);
 613                         break;
 614                 case V4L2_FIELD_BOTTOM:
 615                         cx88_risc_buffer(dev->pci, &buf->risc,
 616                                          dma->sglist, UNSET, 0,
 617                                          buf->bpl, 0, buf->vb.height);
 618                         break;
 619                 case V4L2_FIELD_INTERLACED:
 620                         cx88_risc_buffer(dev->pci, &buf->risc,
 621                                          dma->sglist, 0, buf->bpl,
 622                                          buf->bpl, buf->bpl,
 623                                          buf->vb.height >> 1);
 624                         break;
 625                 case V4L2_FIELD_SEQ_TB:
 626                         cx88_risc_buffer(dev->pci, &buf->risc,
 627                                          dma->sglist,
 628                                          0, buf->bpl * (buf->vb.height >> 1),
 629                                          buf->bpl, 0,
 630                                          buf->vb.height >> 1);
 631                         break;
 632                 case V4L2_FIELD_SEQ_BT:
 633                         cx88_risc_buffer(dev->pci, &buf->risc,
 634                                          dma->sglist,
 635                                          buf->bpl * (buf->vb.height >> 1), 0,
 636                                          buf->bpl, 0,
 637                                          buf->vb.height >> 1);
 638                         break;
 639                 default:
 640                         BUG();
 641                 }
 642         }
 643         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 644                 buf, buf->vb.i,
 645                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 646                 (unsigned long)buf->risc.dma);
 647
 648         buf->vb.state = VIDEOBUF_PREPARED;
 649         return 0;
 650
 651  fail:
 652         cx88_free_buffer(q,buf);
 653         return rc;
 654 }
 655
 656 static void
 657 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 658 {
 659         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 660         struct cx88_buffer    *prev;
 661         struct cx8800_fh      *fh   = vq->priv_data;
 662         struct cx8800_dev     *dev  = fh->dev;
 663         struct cx88_core      *core = dev->core;
 664         struct cx88_dmaqueue  *q    = &dev->vidq;
 665
 666         /* add jump to stopper */
 667         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 668         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 669
 670         if (!list_empty(&q->queued)) {
 671                 list_add_tail(&buf->vb.queue,&q->queued);
 672                 buf->vb.state = VIDEOBUF_QUEUED;
 673                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 674                         buf, buf->vb.i);
 675
 676         } else if (list_empty(&q->active)) {
 677                 list_add_tail(&buf->vb.queue,&q->active);
 678                 start_video_dma(dev, q, buf);
 679                 buf->vb.state = VIDEOBUF_ACTIVE;
 680                 buf->count    = q->count++;
 681                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 682                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 683                         buf, buf->vb.i);
 684
 685         } else {
 686                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 687                 if (prev->vb.width  == buf->vb.width  &&
 688                     prev->vb.height == buf->vb.height &&
 689                     prev->fmt       == buf->fmt) {
 690                         list_add_tail(&buf->vb.queue,&q->active);
 691                         buf->vb.state = VIDEOBUF_ACTIVE;
 692                         buf->count    = q->count++;
 693                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 694                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 695                                 buf, buf->vb.i);
 696
 697                 } else {
 698                         list_add_tail(&buf->vb.queue,&q->queued);
 699                         buf->vb.state = VIDEOBUF_QUEUED;
 700                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 701                                 buf, buf->vb.i);
 702                 }
 703         }
 704 }
 705
 706 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 707 {
 708         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 709
 710         cx88_free_buffer(q,buf);
 711 }
 712
 713 static struct videobuf_queue_ops cx8800_video_qops = {
 714         .buf_setup    = buffer_setup,
 715         .buf_prepare  = buffer_prepare,
 716         .buf_queue    = buffer_queue,
 717         .buf_release  = buffer_release,
 718 };
 719
 720 /* ------------------------------------------------------------------ */
 721
 722
 723 /* ------------------------------------------------------------------ */
 724
 725 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 726 {
 727         switch (fh->type) {
 728         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 729                 return &fh->vidq;
 730         case V4L2_BUF_TYPE_VBI_CAPTURE:
 731                 return &fh->vbiq;
 732         default:
 733                 BUG();
 734                 return NULL;
 735         }
 736 }
 737
 738 static int get_ressource(struct cx8800_fh *fh)
 739 {
 740         switch (fh->type) {
 741         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 742                 return RESOURCE_VIDEO;
 743         case V4L2_BUF_TYPE_VBI_CAPTURE:
 744                 return RESOURCE_VBI;
 745         default:
 746                 BUG();
 747                 return 0;
 748         }
 749 }
 750
 751 static int video_open(struct file *file)
 752 {
 753         struct video_device *vdev = video_devdata(file);
 754         struct cx8800_dev *dev = video_drvdata(file);
 755         struct cx88_core *core;
 756         struct cx8800_fh *fh;
 757         enum v4l2_buf_type type = 0;
 758         int radio = 0;
 759
 760         switch (vdev->vfl_type) {
 761         case VFL_TYPE_GRABBER:
 762                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 763                 break;
 764         case VFL_TYPE_VBI:
 765                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
 766                 break;
 767         case VFL_TYPE_RADIO:
 768                 radio = 1;
 769                 break;
 770         }
 771
 772         lock_kernel();
 773
 774         core = dev->core;
 775
 776         dprintk(1, "open dev=%s radio=%d type=%s\n",
 777                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
 778
 779         /* allocate + initialize per filehandle data */
 780         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 781         if (NULL == fh) {
 782                 unlock_kernel();
 783                 return -ENOMEM;
 784         }
 785         file->private_data = fh;
 786         fh->dev      = dev;
 787         fh->radio    = radio;
 788         fh->type     = type;
 789         fh->width    = 320;
 790         fh->height   = 240;
 791         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 792
 793         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 794                             &dev->pci->dev, &dev->slock,
 795                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 796                             V4L2_FIELD_INTERLACED,
 797                             sizeof(struct cx88_buffer),
 798                             fh);
 799         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 800                             &dev->pci->dev, &dev->slock,
 801                             V4L2_BUF_TYPE_VBI_CAPTURE,
 802                             V4L2_FIELD_SEQ_TB,
 803                             sizeof(struct cx88_buffer),
 804                             fh);
 805
 806         if (fh->radio) {
 807                 dprintk(1,"video_open: setting radio device\n");
 808                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 809                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 810                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 811                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 812                 if (core->board.radio.audioroute) {
 813                         if(core->board.audio_chip &&
 814                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 815                                 call_all(core, audio, s_routing,
 816                                         core->board.radio.audioroute, 0, 0);
 817                         }
 818                         /* "I2S ADC mode" */
 819                         core->tvaudio = WW_I2SADC;
 820                         cx88_set_tvaudio(core);
 821                 } else {
 822                         /* FM Mode */
 823                         core->tvaudio = WW_FM;
 824                         cx88_set_tvaudio(core);
 825                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 826                 }
 827                 call_all(core, tuner, s_radio);
 828         }
 829         unlock_kernel();
 830
 831         atomic_inc(&core->users);
 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         unsigned int rc = POLLERR;
 864
 865         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 866                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 867                         return POLLERR;
 868                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 869         }
 870
 871         mutex_lock(&fh->vidq.vb_lock);
 872         if (res_check(fh,RESOURCE_VIDEO)) {
 873                 /* streaming capture */
 874                 if (list_empty(&fh->vidq.stream))
 875                         goto done;
 876                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 877         } else {
 878                 /* read() capture */
 879                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 880                 if (NULL == buf)
 881                         goto done;
 882         }
 883         poll_wait(file, &buf->vb.done, wait);
 884         if (buf->vb.state == VIDEOBUF_DONE ||
 885             buf->vb.state == VIDEOBUF_ERROR)
 886                 rc = POLLIN|POLLRDNORM;
 887         else
 888                 rc = 0;
 889 done:
 890         mutex_unlock(&fh->vidq.vb_lock);
 891         return rc;
 892 }
 893
 894 static int video_release(struct file *file)
 895 {
 896         struct cx8800_fh  *fh  = file->private_data;
 897         struct cx8800_dev *dev = fh->dev;
 898
 899         /* turn off overlay */
 900         if (res_check(fh, RESOURCE_OVERLAY)) {
 901                 /* FIXME */
 902                 res_free(dev,fh,RESOURCE_OVERLAY);
 903         }
 904
 905         /* stop video capture */
 906         if (res_check(fh, RESOURCE_VIDEO)) {
 907                 videobuf_queue_cancel(&fh->vidq);
 908                 res_free(dev,fh,RESOURCE_VIDEO);
 909         }
 910         if (fh->vidq.read_buf) {
 911                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 912                 kfree(fh->vidq.read_buf);
 913         }
 914
 915         /* stop vbi capture */
 916         if (res_check(fh, RESOURCE_VBI)) {
 917                 videobuf_stop(&fh->vbiq);
 918                 res_free(dev,fh,RESOURCE_VBI);
 919         }
 920
 921         videobuf_mmap_free(&fh->vidq);
 922         videobuf_mmap_free(&fh->vbiq);
 923         file->private_data = NULL;
 924         kfree(fh);
 925
 926         mutex_lock(&dev->core->lock);
 927         if(atomic_dec_and_test(&dev->core->users))
 928                 call_all(dev->core, core, s_power, 0);
 929         mutex_unlock(&dev->core->lock);
 930
 931         return 0;
 932 }
 933
 934 static int
 935 video_mmap(struct file *file, struct vm_area_struct * vma)
 936 {
 937         struct cx8800_fh *fh = file->private_data;
 938
 939         return videobuf_mmap_mapper(get_queue(fh), vma);
 940 }
 941
 942 /* ------------------------------------------------------------------ */
 943 /* VIDEO CTRL IOCTLS                                                  */
 944
 945 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 946 {
 947         struct cx88_ctrl  *c    = NULL;
 948         u32 value;
 949         int i;
 950
 951         for (i = 0; i < CX8800_CTLS; i++)
 952                 if (cx8800_ctls[i].v.id == ctl->id)
 953                         c = &cx8800_ctls[i];
 954         if (unlikely(NULL == c))
 955                 return -EINVAL;
 956
 957         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 958         switch (ctl->id) {
 959         case V4L2_CID_AUDIO_BALANCE:
 960                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 961                                         : (0x7f - (value & 0x7f));
 962                 break;
 963         case V4L2_CID_AUDIO_VOLUME:
 964                 ctl->value = 0x3f - (value & 0x3f);
 965                 break;
 966         default:
 967                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 968                 break;
 969         }
 970         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 971                                 ctl->id, c->v.name, ctl->value, c->reg,
 972                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 973         return 0;
 974 }
 975 EXPORT_SYMBOL(cx88_get_control);
 976
 977 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 978 {
 979         struct cx88_ctrl *c = NULL;
 980         u32 value,mask;
 981         int i;
 982
 983         for (i = 0; i < CX8800_CTLS; i++) {
 984                 if (cx8800_ctls[i].v.id == ctl->id) {
 985                         c = &cx8800_ctls[i];
 986                 }
 987         }
 988         if (unlikely(NULL == c))
 989                 return -EINVAL;
 990
 991         if (ctl->value < c->v.minimum)
 992                 ctl->value = c->v.minimum;
 993         if (ctl->value > c->v.maximum)
 994                 ctl->value = c->v.maximum;
 995         mask=c->mask;
 996         switch (ctl->id) {
 997         case V4L2_CID_AUDIO_BALANCE:
 998                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
 999                 break;
1000         case V4L2_CID_AUDIO_VOLUME:
1001                 value = 0x3f - (ctl->value & 0x3f);
1002                 break;
1003         case V4L2_CID_SATURATION:
1004                 /* special v_sat handling */
1005
1006                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1007
1008                 if (core->tvnorm & V4L2_STD_SECAM) {
1009                         /* For SECAM, both U and V sat should be equal */
1010                         value=value<<8|value;
1011                 } else {
1012                         /* Keeps U Saturation proportional to V Sat */
1013                         value=(value*0x5a)/0x7f<<8|value;
1014                 }
1015                 mask=0xffff;
1016                 break;
1017         case V4L2_CID_CHROMA_AGC:
1018                 /* Do not allow chroma AGC to be enabled for SECAM */
1019                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1020                 if (core->tvnorm & V4L2_STD_SECAM && value)
1021                         return -EINVAL;
1022                 break;
1023         default:
1024                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1025                 break;
1026         }
1027         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1028                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1029                                 mask, c->sreg ? " [shadowed]" : "");
1030         if (c->sreg) {
1031                 cx_sandor(c->sreg, c->reg, mask, value);
1032         } else {
1033                 cx_andor(c->reg, mask, value);
1034         }
1035         return 0;
1036 }
1037 EXPORT_SYMBOL(cx88_set_control);
1038
1039 static void init_controls(struct cx88_core *core)
1040 {
1041         struct v4l2_control ctrl;
1042         int i;
1043
1044         for (i = 0; i < CX8800_CTLS; i++) {
1045                 ctrl.id=cx8800_ctls[i].v.id;
1046                 ctrl.value=cx8800_ctls[i].v.default_value;
1047
1048                 cx88_set_control(core, &ctrl);
1049         }
1050 }
1051
1052 /* ------------------------------------------------------------------ */
1053 /* VIDEO IOCTLS                                                       */
1054
1055 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1056                                         struct v4l2_format *f)
1057 {
1058         struct cx8800_fh  *fh   = priv;
1059
1060         f->fmt.pix.width        = fh->width;
1061         f->fmt.pix.height       = fh->height;
1062         f->fmt.pix.field        = fh->vidq.field;
1063         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1064         f->fmt.pix.bytesperline =
1065                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1066         f->fmt.pix.sizeimage =
1067                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1068         return 0;
1069 }
1070
1071 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1072                         struct v4l2_format *f)
1073 {
1074         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1075         struct cx8800_fmt *fmt;
1076         enum v4l2_field   field;
1077         unsigned int      maxw, maxh;
1078
1079         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1080         if (NULL == fmt)
1081                 return -EINVAL;
1082
1083         field = f->fmt.pix.field;
1084         maxw  = norm_maxw(core->tvnorm);
1085         maxh  = norm_maxh(core->tvnorm);
1086
1087         if (V4L2_FIELD_ANY == field) {
1088                 field = (f->fmt.pix.height > maxh/2)
1089                         ? V4L2_FIELD_INTERLACED
1090                         : V4L2_FIELD_BOTTOM;
1091         }
1092
1093         switch (field) {
1094         case V4L2_FIELD_TOP:
1095         case V4L2_FIELD_BOTTOM:
1096                 maxh = maxh / 2;
1097                 break;
1098         case V4L2_FIELD_INTERLACED:
1099                 break;
1100         default:
1101                 return -EINVAL;
1102         }
1103
1104         f->fmt.pix.field = field;
1105         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1106                               &f->fmt.pix.height, 32, maxh, 0, 0);
1107         f->fmt.pix.bytesperline =
1108                 (f->fmt.pix.width * fmt->depth) >> 3;
1109         f->fmt.pix.sizeimage =
1110                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1111
1112         return 0;
1113 }
1114
1115 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1116                                         struct v4l2_format *f)
1117 {
1118         struct cx8800_fh  *fh   = priv;
1119         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1120
1121         if (0 != err)
1122                 return err;
1123         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1124         fh->width      = f->fmt.pix.width;
1125         fh->height     = f->fmt.pix.height;
1126         fh->vidq.field = f->fmt.pix.field;
1127         return 0;
1128 }
1129
1130 static int vidioc_querycap (struct file *file, void  *priv,
1131                                         struct v4l2_capability *cap)
1132 {
1133         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1134         struct cx88_core  *core = dev->core;
1135
1136         strcpy(cap->driver, "cx8800");
1137         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1138         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1139         cap->version = CX88_VERSION_CODE;
1140         cap->capabilities =
1141                 V4L2_CAP_VIDEO_CAPTURE |
1142                 V4L2_CAP_READWRITE     |
1143                 V4L2_CAP_STREAMING     |
1144                 V4L2_CAP_VBI_CAPTURE;
1145         if (UNSET != core->board.tuner_type)
1146                 cap->capabilities |= V4L2_CAP_TUNER;
1147         return 0;
1148 }
1149
1150 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1151                                         struct v4l2_fmtdesc *f)
1152 {
1153         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1154                 return -EINVAL;
1155
1156         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1157         f->pixelformat = formats[f->index].fourcc;
1158
1159         return 0;
1160 }
1161
1162 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1163 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1164 {
1165         struct cx8800_fh           *fh  = priv;
1166
1167         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1168 }
1169 #endif
1170
1171 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1172 {
1173         struct cx8800_fh  *fh   = priv;
1174         return (videobuf_reqbufs(get_queue(fh), p));
1175 }
1176
1177 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1178 {
1179         struct cx8800_fh  *fh   = priv;
1180         return (videobuf_querybuf(get_queue(fh), p));
1181 }
1182
1183 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1184 {
1185         struct cx8800_fh  *fh   = priv;
1186         return (videobuf_qbuf(get_queue(fh), p));
1187 }
1188
1189 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1190 {
1191         struct cx8800_fh  *fh   = priv;
1192         return (videobuf_dqbuf(get_queue(fh), p,
1193                                 file->f_flags & O_NONBLOCK));
1194 }
1195
1196 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1197 {
1198         struct cx8800_fh  *fh   = priv;
1199         struct cx8800_dev *dev  = fh->dev;
1200
1201         /* We should remember that this driver also supports teletext,  */
1202         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1203         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1204                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1205                 return -EINVAL;
1206
1207         if (unlikely(i != fh->type))
1208                 return -EINVAL;
1209
1210         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1211                 return -EBUSY;
1212         return videobuf_streamon(get_queue(fh));
1213 }
1214
1215 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1216 {
1217         struct cx8800_fh  *fh   = priv;
1218         struct cx8800_dev *dev  = fh->dev;
1219         int               err, res;
1220
1221         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1222             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1223                 return -EINVAL;
1224
1225         if (i != fh->type)
1226                 return -EINVAL;
1227
1228         res = get_ressource(fh);
1229         err = videobuf_streamoff(get_queue(fh));
1230         if (err < 0)
1231                 return err;
1232         res_free(dev,fh,res);
1233         return 0;
1234 }
1235
1236 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1237 {
1238         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1239
1240         mutex_lock(&core->lock);
1241         cx88_set_tvnorm(core,*tvnorms);
1242         mutex_unlock(&core->lock);
1243
1244         return 0;
1245 }
1246
1247 /* only one input in this sample driver */
1248 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1249 {
1250         static const char *iname[] = {
1251                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1252                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1253                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1254                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1255                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1256                 [ CX88_VMUX_TELEVISION ] = "Television",
1257                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1258                 [ CX88_VMUX_DVB        ] = "DVB",
1259                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1260         };
1261         unsigned int n = i->index;
1262
1263         if (n >= 4)
1264                 return -EINVAL;
1265         if (0 == INPUT(n).type)
1266                 return -EINVAL;
1267         i->type  = V4L2_INPUT_TYPE_CAMERA;
1268         strcpy(i->name,iname[INPUT(n).type]);
1269         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1270             (CX88_VMUX_CABLE      == INPUT(n).type))
1271                 i->type = V4L2_INPUT_TYPE_TUNER;
1272                 i->std = CX88_NORMS;
1273         return 0;
1274 }
1275 EXPORT_SYMBOL(cx88_enum_input);
1276
1277 static int vidioc_enum_input (struct file *file, void *priv,
1278                                 struct v4l2_input *i)
1279 {
1280         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1281         return cx88_enum_input (core,i);
1282 }
1283
1284 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1285 {
1286         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1287
1288         *i = core->input;
1289         return 0;
1290 }
1291
1292 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1293 {
1294         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1295
1296         if (i >= 4)
1297                 return -EINVAL;
1298
1299         mutex_lock(&core->lock);
1300         cx88_newstation(core);
1301         cx88_video_mux(core,i);
1302         mutex_unlock(&core->lock);
1303         return 0;
1304 }
1305
1306
1307
1308 static int vidioc_queryctrl (struct file *file, void *priv,
1309                                 struct v4l2_queryctrl *qctrl)
1310 {
1311         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1312
1313         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1314         if (unlikely(qctrl->id == 0))
1315                 return -EINVAL;
1316         return cx8800_ctrl_query(core, qctrl);
1317 }
1318
1319 static int vidioc_g_ctrl (struct file *file, void *priv,
1320                                 struct v4l2_control *ctl)
1321 {
1322         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1323         return
1324                 cx88_get_control(core,ctl);
1325 }
1326
1327 static int vidioc_s_ctrl (struct file *file, void *priv,
1328                                 struct v4l2_control *ctl)
1329 {
1330         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1331         return
1332                 cx88_set_control(core,ctl);
1333 }
1334
1335 static int vidioc_g_tuner (struct file *file, void *priv,
1336                                 struct v4l2_tuner *t)
1337 {
1338         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1339         u32 reg;
1340
1341         if (unlikely(UNSET == core->board.tuner_type))
1342                 return -EINVAL;
1343         if (0 != t->index)
1344                 return -EINVAL;
1345
1346         strcpy(t->name, "Television");
1347         t->type       = V4L2_TUNER_ANALOG_TV;
1348         t->capability = V4L2_TUNER_CAP_NORM;
1349         t->rangehigh  = 0xffffffffUL;
1350
1351         cx88_get_stereo(core ,t);
1352         reg = cx_read(MO_DEVICE_STATUS);
1353         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1354         return 0;
1355 }
1356
1357 static int vidioc_s_tuner (struct file *file, void *priv,
1358                                 struct v4l2_tuner *t)
1359 {
1360         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1361
1362         if (UNSET == core->board.tuner_type)
1363                 return -EINVAL;
1364         if (0 != t->index)
1365                 return -EINVAL;
1366
1367         cx88_set_stereo(core, t->audmode, 1);
1368         return 0;
1369 }
1370
1371 static int vidioc_g_frequency (struct file *file, void *priv,
1372                                 struct v4l2_frequency *f)
1373 {
1374         struct cx8800_fh  *fh   = priv;
1375         struct cx88_core  *core = fh->dev->core;
1376
1377         if (unlikely(UNSET == core->board.tuner_type))
1378                 return -EINVAL;
1379
1380         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1381         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1382         f->frequency = core->freq;
1383
1384         call_all(core, tuner, g_frequency, f);
1385
1386         return 0;
1387 }
1388
1389 int cx88_set_freq (struct cx88_core  *core,
1390                                 struct v4l2_frequency *f)
1391 {
1392         if (unlikely(UNSET == core->board.tuner_type))
1393                 return -EINVAL;
1394         if (unlikely(f->tuner != 0))
1395                 return -EINVAL;
1396
1397         mutex_lock(&core->lock);
1398         core->freq = f->frequency;
1399         cx88_newstation(core);
1400         call_all(core, tuner, s_frequency, f);
1401
1402         /* When changing channels it is required to reset TVAUDIO */
1403         msleep (10);
1404         cx88_set_tvaudio(core);
1405
1406         mutex_unlock(&core->lock);
1407
1408         return 0;
1409 }
1410 EXPORT_SYMBOL(cx88_set_freq);
1411
1412 static int vidioc_s_frequency (struct file *file, void *priv,
1413                                 struct v4l2_frequency *f)
1414 {
1415         struct cx8800_fh  *fh   = priv;
1416         struct cx88_core  *core = fh->dev->core;
1417
1418         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1419                 return -EINVAL;
1420         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1421                 return -EINVAL;
1422
1423         return
1424                 cx88_set_freq (core,f);
1425 }
1426
1427 #ifdef CONFIG_VIDEO_ADV_DEBUG
1428 static int vidioc_g_register (struct file *file, void *fh,
1429                                 struct v4l2_dbg_register *reg)
1430 {
1431         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1432
1433         if (!v4l2_chip_match_host(&reg->match))
1434                 return -EINVAL;
1435         /* cx2388x has a 24-bit register space */
1436         reg->val = cx_read(reg->reg & 0xffffff);
1437         reg->size = 4;
1438         return 0;
1439 }
1440
1441 static int vidioc_s_register (struct file *file, void *fh,
1442                                 struct v4l2_dbg_register *reg)
1443 {
1444         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1445
1446         if (!v4l2_chip_match_host(&reg->match))
1447                 return -EINVAL;
1448         cx_write(reg->reg & 0xffffff, reg->val);
1449         return 0;
1450 }
1451 #endif
1452
1453 /* ----------------------------------------------------------- */
1454 /* RADIO ESPECIFIC IOCTLS                                      */
1455 /* ----------------------------------------------------------- */
1456
1457 static int radio_querycap (struct file *file, void  *priv,
1458                                         struct v4l2_capability *cap)
1459 {
1460         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1461         struct cx88_core  *core = dev->core;
1462
1463         strcpy(cap->driver, "cx8800");
1464         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1465         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1466         cap->version = CX88_VERSION_CODE;
1467         cap->capabilities = V4L2_CAP_TUNER;
1468         return 0;
1469 }
1470
1471 static int radio_g_tuner (struct file *file, void *priv,
1472                                 struct v4l2_tuner *t)
1473 {
1474         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1475
1476         if (unlikely(t->index > 0))
1477                 return -EINVAL;
1478
1479         strcpy(t->name, "Radio");
1480         t->type = V4L2_TUNER_RADIO;
1481
1482         call_all(core, tuner, g_tuner, t);
1483         return 0;
1484 }
1485
1486 static int radio_enum_input (struct file *file, void *priv,
1487                                 struct v4l2_input *i)
1488 {
1489         if (i->index != 0)
1490                 return -EINVAL;
1491         strcpy(i->name,"Radio");
1492         i->type = V4L2_INPUT_TYPE_TUNER;
1493
1494         return 0;
1495 }
1496
1497 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1498 {
1499         if (unlikely(a->index))
1500                 return -EINVAL;
1501
1502         strcpy(a->name,"Radio");
1503         return 0;
1504 }
1505
1506 /* FIXME: Should add a standard for radio */
1507
1508 static int radio_s_tuner (struct file *file, void *priv,
1509                                 struct v4l2_tuner *t)
1510 {
1511         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1512
1513         if (0 != t->index)
1514                 return -EINVAL;
1515
1516         call_all(core, tuner, s_tuner, t);
1517
1518         return 0;
1519 }
1520
1521 static int radio_s_audio (struct file *file, void *fh,
1522                           struct v4l2_audio *a)
1523 {
1524         return 0;
1525 }
1526
1527 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1528 {
1529         return 0;
1530 }
1531
1532 static int radio_queryctrl (struct file *file, void *priv,
1533                             struct v4l2_queryctrl *c)
1534 {
1535         int i;
1536
1537         if (c->id <  V4L2_CID_BASE ||
1538                 c->id >= V4L2_CID_LASTP1)
1539                 return -EINVAL;
1540         if (c->id == V4L2_CID_AUDIO_MUTE) {
1541                 for (i = 0; i < CX8800_CTLS; i++) {
1542                         if (cx8800_ctls[i].v.id == c->id)
1543                                 break;
1544                 }
1545                 if (i == CX8800_CTLS)
1546                         return -EINVAL;
1547                 *c = cx8800_ctls[i].v;
1548         } else
1549                 *c = no_ctl;
1550         return 0;
1551 }
1552
1553 /* ----------------------------------------------------------- */
1554
1555 static void cx8800_vid_timeout(unsigned long data)
1556 {
1557         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1558         struct cx88_core *core = dev->core;
1559         struct cx88_dmaqueue *q = &dev->vidq;
1560         struct cx88_buffer *buf;
1561         unsigned long flags;
1562
1563         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1564
1565         cx_clear(MO_VID_DMACNTRL, 0x11);
1566         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1567
1568         spin_lock_irqsave(&dev->slock,flags);
1569         while (!list_empty(&q->active)) {
1570                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1571                 list_del(&buf->vb.queue);
1572                 buf->vb.state = VIDEOBUF_ERROR;
1573                 wake_up(&buf->vb.done);
1574                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1575                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1576         }
1577         restart_video_queue(dev,q);
1578         spin_unlock_irqrestore(&dev->slock,flags);
1579 }
1580
1581 static char *cx88_vid_irqs[32] = {
1582         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1583         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1584         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1585         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1586         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1587 };
1588
1589 static void cx8800_vid_irq(struct cx8800_dev *dev)
1590 {
1591         struct cx88_core *core = dev->core;
1592         u32 status, mask, count;
1593
1594         status = cx_read(MO_VID_INTSTAT);
1595         mask   = cx_read(MO_VID_INTMSK);
1596         if (0 == (status & mask))
1597                 return;
1598         cx_write(MO_VID_INTSTAT, status);
1599         if (irq_debug  ||  (status & mask & ~0xff))
1600                 cx88_print_irqbits(core->name, "irq vid",
1601                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1602                                    status, mask);
1603
1604         /* risc op code error */
1605         if (status & (1 << 16)) {
1606                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1607                 cx_clear(MO_VID_DMACNTRL, 0x11);
1608                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1609                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1610         }
1611
1612         /* risc1 y */
1613         if (status & 0x01) {
1614                 spin_lock(&dev->slock);
1615                 count = cx_read(MO_VIDY_GPCNT);
1616                 cx88_wakeup(core, &dev->vidq, count);
1617                 spin_unlock(&dev->slock);
1618         }
1619
1620         /* risc1 vbi */
1621         if (status & 0x08) {
1622                 spin_lock(&dev->slock);
1623                 count = cx_read(MO_VBI_GPCNT);
1624                 cx88_wakeup(core, &dev->vbiq, count);
1625                 spin_unlock(&dev->slock);
1626         }
1627
1628         /* risc2 y */
1629         if (status & 0x10) {
1630                 dprintk(2,"stopper video\n");
1631                 spin_lock(&dev->slock);
1632                 restart_video_queue(dev,&dev->vidq);
1633                 spin_unlock(&dev->slock);
1634         }
1635
1636         /* risc2 vbi */
1637         if (status & 0x80) {
1638                 dprintk(2,"stopper vbi\n");
1639                 spin_lock(&dev->slock);
1640                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1641                 spin_unlock(&dev->slock);
1642         }
1643 }
1644
1645 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1646 {
1647         struct cx8800_dev *dev = dev_id;
1648         struct cx88_core *core = dev->core;
1649         u32 status;
1650         int loop, handled = 0;
1651
1652         for (loop = 0; loop < 10; loop++) {
1653                 status = cx_read(MO_PCI_INTSTAT) &
1654                         (core->pci_irqmask | PCI_INT_VIDINT);
1655                 if (0 == status)
1656                         goto out;
1657                 cx_write(MO_PCI_INTSTAT, status);
1658                 handled = 1;
1659
1660                 if (status & core->pci_irqmask)
1661                         cx88_core_irq(core,status);
1662                 if (status & PCI_INT_VIDINT)
1663                         cx8800_vid_irq(dev);
1664         };
1665         if (10 == loop) {
1666                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1667                        core->name);
1668                 cx_write(MO_PCI_INTMSK,0);
1669         }
1670
1671  out:
1672         return IRQ_RETVAL(handled);
1673 }
1674
1675 /* ----------------------------------------------------------- */
1676 /* exported stuff                                              */
1677
1678 static const struct v4l2_file_operations video_fops =
1679 {
1680         .owner         = THIS_MODULE,
1681         .open          = video_open,
1682         .release       = video_release,
1683         .read          = video_read,
1684         .poll          = video_poll,
1685         .mmap          = video_mmap,
1686         .ioctl         = video_ioctl2,
1687 };
1688
1689 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1690         .vidioc_querycap      = vidioc_querycap,
1691         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1692         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1693         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1694         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1695         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1696         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1697         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1698         .vidioc_reqbufs       = vidioc_reqbufs,
1699         .vidioc_querybuf      = vidioc_querybuf,
1700         .vidioc_qbuf          = vidioc_qbuf,
1701         .vidioc_dqbuf         = vidioc_dqbuf,
1702         .vidioc_s_std         = vidioc_s_std,
1703         .vidioc_enum_input    = vidioc_enum_input,
1704         .vidioc_g_input       = vidioc_g_input,
1705         .vidioc_s_input       = vidioc_s_input,
1706         .vidioc_queryctrl     = vidioc_queryctrl,
1707         .vidioc_g_ctrl        = vidioc_g_ctrl,
1708         .vidioc_s_ctrl        = vidioc_s_ctrl,
1709         .vidioc_streamon      = vidioc_streamon,
1710         .vidioc_streamoff     = vidioc_streamoff,
1711 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1712         .vidiocgmbuf          = vidiocgmbuf,
1713 #endif
1714         .vidioc_g_tuner       = vidioc_g_tuner,
1715         .vidioc_s_tuner       = vidioc_s_tuner,
1716         .vidioc_g_frequency   = vidioc_g_frequency,
1717         .vidioc_s_frequency   = vidioc_s_frequency,
1718 #ifdef CONFIG_VIDEO_ADV_DEBUG
1719         .vidioc_g_register    = vidioc_g_register,
1720         .vidioc_s_register    = vidioc_s_register,
1721 #endif
1722 };
1723
1724 static struct video_device cx8800_vbi_template;
1725
1726 static struct video_device cx8800_video_template = {
1727         .name                 = "cx8800-video",
1728         .fops                 = &video_fops,
1729         .ioctl_ops            = &video_ioctl_ops,
1730         .tvnorms              = CX88_NORMS,
1731         .current_norm         = V4L2_STD_NTSC_M,
1732 };
1733
1734 static const struct v4l2_file_operations radio_fops =
1735 {
1736         .owner         = THIS_MODULE,
1737         .open          = video_open,
1738         .release       = video_release,
1739         .ioctl         = video_ioctl2,
1740 };
1741
1742 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1743         .vidioc_querycap      = radio_querycap,
1744         .vidioc_g_tuner       = radio_g_tuner,
1745         .vidioc_enum_input    = radio_enum_input,
1746         .vidioc_g_audio       = radio_g_audio,
1747         .vidioc_s_tuner       = radio_s_tuner,
1748         .vidioc_s_audio       = radio_s_audio,
1749         .vidioc_s_input       = radio_s_input,
1750         .vidioc_queryctrl     = radio_queryctrl,
1751         .vidioc_g_ctrl        = vidioc_g_ctrl,
1752         .vidioc_s_ctrl        = vidioc_s_ctrl,
1753         .vidioc_g_frequency   = vidioc_g_frequency,
1754         .vidioc_s_frequency   = vidioc_s_frequency,
1755 #ifdef CONFIG_VIDEO_ADV_DEBUG
1756         .vidioc_g_register    = vidioc_g_register,
1757         .vidioc_s_register    = vidioc_s_register,
1758 #endif
1759 };
1760
1761 static struct video_device cx8800_radio_template = {
1762         .name                 = "cx8800-radio",
1763         .fops                 = &radio_fops,
1764         .ioctl_ops            = &radio_ioctl_ops,
1765 };
1766
1767 /* ----------------------------------------------------------- */
1768
1769 static void cx8800_unregister_video(struct cx8800_dev *dev)
1770 {
1771         if (dev->radio_dev) {
1772                 if (video_is_registered(dev->radio_dev))
1773                         video_unregister_device(dev->radio_dev);
1774                 else
1775                         video_device_release(dev->radio_dev);
1776                 dev->radio_dev = NULL;
1777         }
1778         if (dev->vbi_dev) {
1779                 if (video_is_registered(dev->vbi_dev))
1780                         video_unregister_device(dev->vbi_dev);
1781                 else
1782                         video_device_release(dev->vbi_dev);
1783                 dev->vbi_dev = NULL;
1784         }
1785         if (dev->video_dev) {
1786                 if (video_is_registered(dev->video_dev))
1787                         video_unregister_device(dev->video_dev);
1788                 else
1789                         video_device_release(dev->video_dev);
1790                 dev->video_dev = NULL;
1791         }
1792 }
1793
1794 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1795                                     const struct pci_device_id *pci_id)
1796 {
1797         struct cx8800_dev *dev;
1798         struct cx88_core *core;
1799
1800         int err;
1801
1802         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1803         if (NULL == dev)
1804                 return -ENOMEM;
1805
1806         /* pci init */
1807         dev->pci = pci_dev;
1808         if (pci_enable_device(pci_dev)) {
1809                 err = -EIO;
1810                 goto fail_free;
1811         }
1812         core = cx88_core_get(dev->pci);
1813         if (NULL == core) {
1814                 err = -EINVAL;
1815                 goto fail_free;
1816         }
1817         dev->core = core;
1818
1819         /* print pci info */
1820         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1821         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1822         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1823                "latency: %d, mmio: 0x%llx\n", core->name,
1824                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1825                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1826
1827         pci_set_master(pci_dev);
1828         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1829                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1830                 err = -EIO;
1831                 goto fail_core;
1832         }
1833
1834         /* Initialize VBI template */
1835         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1836                 sizeof(cx8800_vbi_template) );
1837         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1838
1839         /* initialize driver struct */
1840         spin_lock_init(&dev->slock);
1841         core->tvnorm = cx8800_video_template.current_norm;
1842
1843         /* init video dma queues */
1844         INIT_LIST_HEAD(&dev->vidq.active);
1845         INIT_LIST_HEAD(&dev->vidq.queued);
1846         dev->vidq.timeout.function = cx8800_vid_timeout;
1847         dev->vidq.timeout.data     = (unsigned long)dev;
1848         init_timer(&dev->vidq.timeout);
1849         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1850                           MO_VID_DMACNTRL,0x11,0x00);
1851
1852         /* init vbi dma queues */
1853         INIT_LIST_HEAD(&dev->vbiq.active);
1854         INIT_LIST_HEAD(&dev->vbiq.queued);
1855         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1856         dev->vbiq.timeout.data     = (unsigned long)dev;
1857         init_timer(&dev->vbiq.timeout);
1858         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1859                           MO_VID_DMACNTRL,0x88,0x00);
1860
1861         /* get irq */
1862         err = request_irq(pci_dev->irq, cx8800_irq,
1863                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1864         if (err < 0) {
1865                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1866                        core->name,pci_dev->irq);
1867                 goto fail_core;
1868         }
1869         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1870
1871         /* load and configure helper modules */
1872
1873         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1874                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1875                                 "wm8775", "wm8775", 0x36 >> 1, NULL);
1876
1877         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1878                 /* This probes for a tda9874 as is used on some
1879                    Pixelview Ultra boards. */
1880                 v4l2_i2c_new_subdev(&core->v4l2_dev,
1881                                 &core->i2c_adap,
1882                                 "tvaudio", "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1883         }
1884
1885         switch (core->boardnr) {
1886         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1887         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1888                 static struct i2c_board_info rtc_info = {
1889                         I2C_BOARD_INFO("isl1208", 0x6f)
1890                 };
1891
1892                 request_module("rtc-isl1208");
1893                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1894         }
1895                 /* break intentionally omitted */
1896         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1897                 request_module("ir-kbd-i2c");
1898         }
1899
1900         /* register v4l devices */
1901         dev->video_dev = cx88_vdev_init(core,dev->pci,
1902                                         &cx8800_video_template,"video");
1903         video_set_drvdata(dev->video_dev, dev);
1904         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1905                                     video_nr[core->nr]);
1906         if (err < 0) {
1907                 printk(KERN_ERR "%s/0: can't register video device\n",
1908                        core->name);
1909                 goto fail_unreg;
1910         }
1911         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1912                core->name, video_device_node_name(dev->video_dev));
1913
1914         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1915         video_set_drvdata(dev->vbi_dev, dev);
1916         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1917                                     vbi_nr[core->nr]);
1918         if (err < 0) {
1919                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1920                        core->name);
1921                 goto fail_unreg;
1922         }
1923         printk(KERN_INFO "%s/0: registered device %s\n",
1924                core->name, video_device_node_name(dev->vbi_dev));
1925
1926         if (core->board.radio.type == CX88_RADIO) {
1927                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1928                                                 &cx8800_radio_template,"radio");
1929                 video_set_drvdata(dev->radio_dev, dev);
1930                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1931                                             radio_nr[core->nr]);
1932                 if (err < 0) {
1933                         printk(KERN_ERR "%s/0: can't register radio device\n",
1934                                core->name);
1935                         goto fail_unreg;
1936                 }
1937                 printk(KERN_INFO "%s/0: registered device %s\n",
1938                        core->name, video_device_node_name(dev->radio_dev));
1939         }
1940
1941         /* everything worked */
1942         pci_set_drvdata(pci_dev,dev);
1943
1944         /* initial device configuration */
1945         mutex_lock(&core->lock);
1946         cx88_set_tvnorm(core,core->tvnorm);
1947         init_controls(core);
1948         cx88_video_mux(core,0);
1949         mutex_unlock(&core->lock);
1950
1951         /* start tvaudio thread */
1952         if (core->board.tuner_type != TUNER_ABSENT) {
1953                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1954                 if (IS_ERR(core->kthread)) {
1955                         err = PTR_ERR(core->kthread);
1956                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1957                                core->name, err);
1958                 }
1959         }
1960         return 0;
1961
1962 fail_unreg:
1963         cx8800_unregister_video(dev);
1964         free_irq(pci_dev->irq, dev);
1965 fail_core:
1966         cx88_core_put(core,dev->pci);
1967 fail_free:
1968         kfree(dev);
1969         return err;
1970 }
1971
1972 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1973 {
1974         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1975         struct cx88_core *core = dev->core;
1976
1977         /* stop thread */
1978         if (core->kthread) {
1979                 kthread_stop(core->kthread);
1980                 core->kthread = NULL;
1981         }
1982
1983         if (core->ir)
1984                 cx88_ir_stop(core);
1985
1986         cx88_shutdown(core); /* FIXME */
1987         pci_disable_device(pci_dev);
1988
1989         /* unregister stuff */
1990
1991         free_irq(pci_dev->irq, dev);
1992         cx8800_unregister_video(dev);
1993         pci_set_drvdata(pci_dev, NULL);
1994
1995         /* free memory */
1996         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1997         cx88_core_put(core,dev->pci);
1998         kfree(dev);
1999 }
2000
2001 #ifdef CONFIG_PM
2002 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2003 {
2004         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2005         struct cx88_core *core = dev->core;
2006
2007         /* stop video+vbi capture */
2008         spin_lock(&dev->slock);
2009         if (!list_empty(&dev->vidq.active)) {
2010                 printk("%s/0: suspend video\n", core->name);
2011                 stop_video_dma(dev);
2012                 del_timer(&dev->vidq.timeout);
2013         }
2014         if (!list_empty(&dev->vbiq.active)) {
2015                 printk("%s/0: suspend vbi\n", core->name);
2016                 cx8800_stop_vbi_dma(dev);
2017                 del_timer(&dev->vbiq.timeout);
2018         }
2019         spin_unlock(&dev->slock);
2020
2021         if (core->ir)
2022                 cx88_ir_stop(core);
2023         /* FIXME -- shutdown device */
2024         cx88_shutdown(core);
2025
2026         pci_save_state(pci_dev);
2027         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2028                 pci_disable_device(pci_dev);
2029                 dev->state.disabled = 1;
2030         }
2031         return 0;
2032 }
2033
2034 static int cx8800_resume(struct pci_dev *pci_dev)
2035 {
2036         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2037         struct cx88_core *core = dev->core;
2038         int err;
2039
2040         if (dev->state.disabled) {
2041                 err=pci_enable_device(pci_dev);
2042                 if (err) {
2043                         printk(KERN_ERR "%s/0: can't enable device\n",
2044                                core->name);
2045                         return err;
2046                 }
2047
2048                 dev->state.disabled = 0;
2049         }
2050         err= pci_set_power_state(pci_dev, PCI_D0);
2051         if (err) {
2052                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2053                 pci_disable_device(pci_dev);
2054                 dev->state.disabled = 1;
2055
2056                 return err;
2057         }
2058         pci_restore_state(pci_dev);
2059
2060         /* FIXME: re-initialize hardware */
2061         cx88_reset(core);
2062         if (core->ir)
2063                 cx88_ir_start(core);
2064
2065         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2066
2067         /* restart video+vbi capture */
2068         spin_lock(&dev->slock);
2069         if (!list_empty(&dev->vidq.active)) {
2070                 printk("%s/0: resume video\n", core->name);
2071                 restart_video_queue(dev,&dev->vidq);
2072         }
2073         if (!list_empty(&dev->vbiq.active)) {
2074                 printk("%s/0: resume vbi\n", core->name);
2075                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2076         }
2077         spin_unlock(&dev->slock);
2078
2079         return 0;
2080 }
2081 #endif
2082
2083 /* ----------------------------------------------------------- */
2084
2085 static struct pci_device_id cx8800_pci_tbl[] = {
2086         {
2087                 .vendor       = 0x14f1,
2088                 .device       = 0x8800,
2089                 .subvendor    = PCI_ANY_ID,
2090                 .subdevice    = PCI_ANY_ID,
2091         },{
2092                 /* --- end of list --- */
2093         }
2094 };
2095 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2096
2097 static struct pci_driver cx8800_pci_driver = {
2098         .name     = "cx8800",
2099         .id_table = cx8800_pci_tbl,
2100         .probe    = cx8800_initdev,
2101         .remove   = __devexit_p(cx8800_finidev),
2102 #ifdef CONFIG_PM
2103         .suspend  = cx8800_suspend,
2104         .resume   = cx8800_resume,
2105 #endif
2106 };
2107
2108 static int __init cx8800_init(void)
2109 {
2110         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2111                (CX88_VERSION_CODE >> 16) & 0xff,
2112                (CX88_VERSION_CODE >>  8) & 0xff,
2113                CX88_VERSION_CODE & 0xff);
2114 #ifdef SNAPSHOT
2115         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2116                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2117 #endif
2118         return pci_register_driver(&cx8800_pci_driver);
2119 }
2120
2121 static void __exit cx8800_fini(void)
2122 {
2123         pci_unregister_driver(&cx8800_pci_driver);
2124 }
2125
2126 module_init(cx8800_init);
2127 module_exit(cx8800_fini);
2128
2129 /* ----------------------------------------------------------- */
2130 /*
2131  * Local variables:
2132  * c-basic-offset: 8
2133  * End:
2134  * 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
2135  */