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

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/dma-mapping.h>
  36 #include <linux/delay.h>
  37 #include <linux/kthread.h>
  38 #include <asm/div64.h>
  39
  40 #include "cx88.h"
  41 #include <media/v4l2-common.h>
  42 #include <media/v4l2-ioctl.h>
  43 #include <media/wm8775.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 MODULE_VERSION(CX88_VERSION);
  49
  50 /* ------------------------------------------------------------------ */
  51
  52 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  55
  56 module_param_array(video_nr, int, NULL, 0444);
  57 module_param_array(vbi_nr,   int, NULL, 0444);
  58 module_param_array(radio_nr, int, NULL, 0444);
  59
  60 MODULE_PARM_DESC(video_nr,"video device numbers");
  61 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  62 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  63
  64 static unsigned int video_debug;
  65 module_param(video_debug,int,0644);
  66 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  67
  68 static unsigned int irq_debug;
  69 module_param(irq_debug,int,0644);
  70 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  71
  72 static unsigned int vid_limit = 16;
  73 module_param(vid_limit,int,0644);
  74 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  75
  76 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  77         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  78
  79 /* ------------------------------------------------------------------- */
  80 /* static data                                                         */
  81
  82 static const struct cx8800_fmt formats[] = {
  83         {
  84                 .name     = "8 bpp, gray",
  85                 .fourcc   = V4L2_PIX_FMT_GREY,
  86                 .cxformat = ColorFormatY8,
  87                 .depth    = 8,
  88                 .flags    = FORMAT_FLAGS_PACKED,
  89         },{
  90                 .name     = "15 bpp RGB, le",
  91                 .fourcc   = V4L2_PIX_FMT_RGB555,
  92                 .cxformat = ColorFormatRGB15,
  93                 .depth    = 16,
  94                 .flags    = FORMAT_FLAGS_PACKED,
  95         },{
  96                 .name     = "15 bpp RGB, be",
  97                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  98                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
  99                 .depth    = 16,
 100                 .flags    = FORMAT_FLAGS_PACKED,
 101         },{
 102                 .name     = "16 bpp RGB, le",
 103                 .fourcc   = V4L2_PIX_FMT_RGB565,
 104                 .cxformat = ColorFormatRGB16,
 105                 .depth    = 16,
 106                 .flags    = FORMAT_FLAGS_PACKED,
 107         },{
 108                 .name     = "16 bpp RGB, be",
 109                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 110                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 111                 .depth    = 16,
 112                 .flags    = FORMAT_FLAGS_PACKED,
 113         },{
 114                 .name     = "24 bpp RGB, le",
 115                 .fourcc   = V4L2_PIX_FMT_BGR24,
 116                 .cxformat = ColorFormatRGB24,
 117                 .depth    = 24,
 118                 .flags    = FORMAT_FLAGS_PACKED,
 119         },{
 120                 .name     = "32 bpp RGB, le",
 121                 .fourcc   = V4L2_PIX_FMT_BGR32,
 122                 .cxformat = ColorFormatRGB32,
 123                 .depth    = 32,
 124                 .flags    = FORMAT_FLAGS_PACKED,
 125         },{
 126                 .name     = "32 bpp RGB, be",
 127                 .fourcc   = V4L2_PIX_FMT_RGB32,
 128                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 129                 .depth    = 32,
 130                 .flags    = FORMAT_FLAGS_PACKED,
 131         },{
 132                 .name     = "4:2:2, packed, YUYV",
 133                 .fourcc   = V4L2_PIX_FMT_YUYV,
 134                 .cxformat = ColorFormatYUY2,
 135                 .depth    = 16,
 136                 .flags    = FORMAT_FLAGS_PACKED,
 137         },{
 138                 .name     = "4:2:2, packed, UYVY",
 139                 .fourcc   = V4L2_PIX_FMT_UYVY,
 140                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 141                 .depth    = 16,
 142                 .flags    = FORMAT_FLAGS_PACKED,
 143         },
 144 };
 145
 146 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 147 {
 148         unsigned int i;
 149
 150         for (i = 0; i < ARRAY_SIZE(formats); i++)
 151                 if (formats[i].fourcc == fourcc)
 152                         return formats+i;
 153         return NULL;
 154 }
 155
 156 /* ------------------------------------------------------------------- */
 157
 158 static const struct v4l2_queryctrl no_ctl = {
 159         .name  = "42",
 160         .flags = V4L2_CTRL_FLAG_DISABLED,
 161 };
 162
 163 static const struct cx88_ctrl cx8800_ctls[] = {
 164         /* --- video --- */
 165         {
 166                 .v = {
 167                         .id            = V4L2_CID_BRIGHTNESS,
 168                         .name          = "Brightness",
 169                         .minimum       = 0x00,
 170                         .maximum       = 0xff,
 171                         .step          = 1,
 172                         .default_value = 0x7f,
 173                         .type          = V4L2_CTRL_TYPE_INTEGER,
 174                 },
 175                 .off                   = 128,
 176                 .reg                   = MO_CONTR_BRIGHT,
 177                 .mask                  = 0x00ff,
 178                 .shift                 = 0,
 179         },{
 180                 .v = {
 181                         .id            = V4L2_CID_CONTRAST,
 182                         .name          = "Contrast",
 183                         .minimum       = 0,
 184                         .maximum       = 0xff,
 185                         .step          = 1,
 186                         .default_value = 0x3f,
 187                         .type          = V4L2_CTRL_TYPE_INTEGER,
 188                 },
 189                 .off                   = 0,
 190                 .reg                   = MO_CONTR_BRIGHT,
 191                 .mask                  = 0xff00,
 192                 .shift                 = 8,
 193         },{
 194                 .v = {
 195                         .id            = V4L2_CID_HUE,
 196                         .name          = "Hue",
 197                         .minimum       = 0,
 198                         .maximum       = 0xff,
 199                         .step          = 1,
 200                         .default_value = 0x7f,
 201                         .type          = V4L2_CTRL_TYPE_INTEGER,
 202                 },
 203                 .off                   = 128,
 204                 .reg                   = MO_HUE,
 205                 .mask                  = 0x00ff,
 206                 .shift                 = 0,
 207         },{
 208                 /* strictly, this only describes only U saturation.
 209                  * V saturation is handled specially through code.
 210                  */
 211                 .v = {
 212                         .id            = V4L2_CID_SATURATION,
 213                         .name          = "Saturation",
 214                         .minimum       = 0,
 215                         .maximum       = 0xff,
 216                         .step          = 1,
 217                         .default_value = 0x7f,
 218                         .type          = V4L2_CTRL_TYPE_INTEGER,
 219                 },
 220                 .off                   = 0,
 221                 .reg                   = MO_UV_SATURATION,
 222                 .mask                  = 0x00ff,
 223                 .shift                 = 0,
 224         }, {
 225                 .v = {
 226                         .id            = V4L2_CID_SHARPNESS,
 227                         .name          = "Sharpness",
 228                         .minimum       = 0,
 229                         .maximum       = 4,
 230                         .step          = 1,
 231                         .default_value = 0x0,
 232                         .type          = V4L2_CTRL_TYPE_INTEGER,
 233                 },
 234                 .off                   = 0,
 235                 /* NOTE: the value is converted and written to both even
 236                    and odd registers in the code */
 237                 .reg                   = MO_FILTER_ODD,
 238                 .mask                  = 7 << 7,
 239                 .shift                 = 7,
 240         }, {
 241                 .v = {
 242                         .id            = V4L2_CID_CHROMA_AGC,
 243                         .name          = "Chroma AGC",
 244                         .minimum       = 0,
 245                         .maximum       = 1,
 246                         .default_value = 0x1,
 247                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 248                 },
 249                 .reg                   = MO_INPUT_FORMAT,
 250                 .mask                  = 1 << 10,
 251                 .shift                 = 10,
 252         }, {
 253                 .v = {
 254                         .id            = V4L2_CID_COLOR_KILLER,
 255                         .name          = "Color killer",
 256                         .minimum       = 0,
 257                         .maximum       = 1,
 258                         .default_value = 0x1,
 259                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 260                 },
 261                 .reg                   = MO_INPUT_FORMAT,
 262                 .mask                  = 1 << 9,
 263                 .shift                 = 9,
 264         }, {
 265                 .v = {
 266                         .id            = V4L2_CID_BAND_STOP_FILTER,
 267                         .name          = "Notch filter",
 268                         .minimum       = 0,
 269                         .maximum       = 3,
 270                         .step          = 1,
 271                         .default_value = 0x0,
 272                         .type          = V4L2_CTRL_TYPE_INTEGER,
 273                 },
 274                 .off                   = 0,
 275                 .reg                   = MO_HTOTAL,
 276                 .mask                  = 3 << 11,
 277                 .shift                 = 11,
 278         }, {
 279         /* --- audio --- */
 280                 .v = {
 281                         .id            = V4L2_CID_AUDIO_MUTE,
 282                         .name          = "Mute",
 283                         .minimum       = 0,
 284                         .maximum       = 1,
 285                         .default_value = 1,
 286                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 287                 },
 288                 .reg                   = AUD_VOL_CTL,
 289                 .sreg                  = SHADOW_AUD_VOL_CTL,
 290                 .mask                  = (1 << 6),
 291                 .shift                 = 6,
 292         },{
 293                 .v = {
 294                         .id            = V4L2_CID_AUDIO_VOLUME,
 295                         .name          = "Volume",
 296                         .minimum       = 0,
 297                         .maximum       = 0x3f,
 298                         .step          = 1,
 299                         .default_value = 0x3f,
 300                         .type          = V4L2_CTRL_TYPE_INTEGER,
 301                 },
 302                 .reg                   = AUD_VOL_CTL,
 303                 .sreg                  = SHADOW_AUD_VOL_CTL,
 304                 .mask                  = 0x3f,
 305                 .shift                 = 0,
 306         },{
 307                 .v = {
 308                         .id            = V4L2_CID_AUDIO_BALANCE,
 309                         .name          = "Balance",
 310                         .minimum       = 0,
 311                         .maximum       = 0x7f,
 312                         .step          = 1,
 313                         .default_value = 0x40,
 314                         .type          = V4L2_CTRL_TYPE_INTEGER,
 315                 },
 316                 .reg                   = AUD_BAL_CTL,
 317                 .sreg                  = SHADOW_AUD_BAL_CTL,
 318                 .mask                  = 0x7f,
 319                 .shift                 = 0,
 320         }
 321 };
 322 enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
 323
 324 /* Must be sorted from low to high control ID! */
 325 const u32 cx88_user_ctrls[] = {
 326         V4L2_CID_USER_CLASS,
 327         V4L2_CID_BRIGHTNESS,
 328         V4L2_CID_CONTRAST,
 329         V4L2_CID_SATURATION,
 330         V4L2_CID_HUE,
 331         V4L2_CID_AUDIO_VOLUME,
 332         V4L2_CID_AUDIO_BALANCE,
 333         V4L2_CID_AUDIO_MUTE,
 334         V4L2_CID_SHARPNESS,
 335         V4L2_CID_CHROMA_AGC,
 336         V4L2_CID_COLOR_KILLER,
 337         V4L2_CID_BAND_STOP_FILTER,
 338         0
 339 };
 340 EXPORT_SYMBOL(cx88_user_ctrls);
 341
 342 static const u32 * const ctrl_classes[] = {
 343         cx88_user_ctrls,
 344         NULL
 345 };
 346
 347 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 348 {
 349         int i;
 350
 351         if (qctrl->id < V4L2_CID_BASE ||
 352             qctrl->id >= V4L2_CID_LASTP1)
 353                 return -EINVAL;
 354         for (i = 0; i < CX8800_CTLS; i++)
 355                 if (cx8800_ctls[i].v.id == qctrl->id)
 356                         break;
 357         if (i == CX8800_CTLS) {
 358                 *qctrl = no_ctl;
 359                 return 0;
 360         }
 361         *qctrl = cx8800_ctls[i].v;
 362         /* Report chroma AGC as inactive when SECAM is selected */
 363         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 364             core->tvnorm & V4L2_STD_SECAM)
 365                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 366
 367         return 0;
 368 }
 369 EXPORT_SYMBOL(cx8800_ctrl_query);
 370
 371 /* ------------------------------------------------------------------- */
 372 /* resource management                                                 */
 373
 374 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 375 {
 376         struct cx88_core *core = dev->core;
 377         if (fh->resources & bit)
 378                 /* have it already allocated */
 379                 return 1;
 380
 381         /* is it free? */
 382         mutex_lock(&core->lock);
 383         if (dev->resources & bit) {
 384                 /* no, someone else uses it */
 385                 mutex_unlock(&core->lock);
 386                 return 0;
 387         }
 388         /* it's free, grab it */
 389         fh->resources  |= bit;
 390         dev->resources |= bit;
 391         dprintk(1,"res: get %d\n",bit);
 392         mutex_unlock(&core->lock);
 393         return 1;
 394 }
 395
 396 static
 397 int res_check(struct cx8800_fh *fh, unsigned int bit)
 398 {
 399         return (fh->resources & bit);
 400 }
 401
 402 static
 403 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 404 {
 405         return (dev->resources & bit);
 406 }
 407
 408 static
 409 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 410 {
 411         struct cx88_core *core = dev->core;
 412         BUG_ON((fh->resources & bits) != bits);
 413
 414         mutex_lock(&core->lock);
 415         fh->resources  &= ~bits;
 416         dev->resources &= ~bits;
 417         dprintk(1,"res: put %d\n",bits);
 418         mutex_unlock(&core->lock);
 419 }
 420
 421 /* ------------------------------------------------------------------ */
 422
 423 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 424 {
 425         /* struct cx88_core *core = dev->core; */
 426
 427         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 428                 input, INPUT(input).vmux,
 429                 INPUT(input).gpio0,INPUT(input).gpio1,
 430                 INPUT(input).gpio2,INPUT(input).gpio3);
 431         core->input = input;
 432         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 433         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 434         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 435         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 436         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 437
 438         switch (INPUT(input).type) {
 439         case CX88_VMUX_SVIDEO:
 440                 cx_set(MO_AFECFG_IO,    0x00000001);
 441                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 442                 cx_set(MO_FILTER_EVEN,  0x00002020);
 443                 cx_set(MO_FILTER_ODD,   0x00002020);
 444                 break;
 445         default:
 446                 cx_clear(MO_AFECFG_IO,    0x00000001);
 447                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 448                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 449                 cx_clear(MO_FILTER_ODD,   0x00002020);
 450                 break;
 451         }
 452
 453         /* if there are audioroutes defined, we have an external
 454            ADC to deal with audio */
 455         if (INPUT(input).audioroute) {
 456                 /* The wm8775 module has the "2" route hardwired into
 457                    the initialization. Some boards may use different
 458                    routes for different inputs. HVR-1300 surely does */
 459                 if (core->board.audio_chip &&
 460                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 461                         call_all(core, audio, s_routing,
 462                                  INPUT(input).audioroute, 0, 0);
 463                 }
 464                 /* cx2388's C-ADC is connected to the tuner only.
 465                    When used with S-Video, that ADC is busy dealing with
 466                    chroma, so an external must be used for baseband audio */
 467                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 468                     INPUT(input).type != CX88_VMUX_CABLE) {
 469                         /* "I2S ADC mode" */
 470                         core->tvaudio = WW_I2SADC;
 471                         cx88_set_tvaudio(core);
 472                 } else {
 473                         /* Normal mode */
 474                         cx_write(AUD_I2SCNTL, 0x0);
 475                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 476                 }
 477         }
 478
 479         return 0;
 480 }
 481 EXPORT_SYMBOL(cx88_video_mux);
 482
 483 /* ------------------------------------------------------------------ */
 484
 485 static int start_video_dma(struct cx8800_dev    *dev,
 486                            struct cx88_dmaqueue *q,
 487                            struct cx88_buffer   *buf)
 488 {
 489         struct cx88_core *core = dev->core;
 490
 491         /* setup fifo + format */
 492         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 493                                 buf->bpl, buf->risc.dma);
 494         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 495         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 496
 497         /* reset counter */
 498         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 499         q->count = 1;
 500
 501         /* enable irqs */
 502         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 503
 504         /* Enables corresponding bits at PCI_INT_STAT:
 505                 bits 0 to 4: video, audio, transport stream, VIP, Host
 506                 bit 7: timer
 507                 bits 8 and 9: DMA complete for: SRC, DST
 508                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 509                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 510          */
 511         cx_set(MO_VID_INTMSK, 0x0f0011);
 512
 513         /* enable capture */
 514         cx_set(VID_CAPTURE_CONTROL,0x06);
 515
 516         /* start dma */
 517         cx_set(MO_DEV_CNTRL2, (1<<5));
 518         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 519
 520         return 0;
 521 }
 522
 523 #ifdef CONFIG_PM
 524 static int stop_video_dma(struct cx8800_dev    *dev)
 525 {
 526         struct cx88_core *core = dev->core;
 527
 528         /* stop dma */
 529         cx_clear(MO_VID_DMACNTRL, 0x11);
 530
 531         /* disable capture */
 532         cx_clear(VID_CAPTURE_CONTROL,0x06);
 533
 534         /* disable irqs */
 535         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 536         cx_clear(MO_VID_INTMSK, 0x0f0011);
 537         return 0;
 538 }
 539 #endif
 540
 541 static int restart_video_queue(struct cx8800_dev    *dev,
 542                                struct cx88_dmaqueue *q)
 543 {
 544         struct cx88_core *core = dev->core;
 545         struct cx88_buffer *buf, *prev;
 546
 547         if (!list_empty(&q->active)) {
 548                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 549                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 550                         buf, buf->vb.i);
 551                 start_video_dma(dev, q, buf);
 552                 list_for_each_entry(buf, &q->active, vb.queue)
 553                         buf->count = q->count++;
 554                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 555                 return 0;
 556         }
 557
 558         prev = NULL;
 559         for (;;) {
 560                 if (list_empty(&q->queued))
 561                         return 0;
 562                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 563                 if (NULL == prev) {
 564                         list_move_tail(&buf->vb.queue, &q->active);
 565                         start_video_dma(dev, q, buf);
 566                         buf->vb.state = VIDEOBUF_ACTIVE;
 567                         buf->count    = q->count++;
 568                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 569                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 570                                 buf,buf->vb.i);
 571
 572                 } else if (prev->vb.width  == buf->vb.width  &&
 573                            prev->vb.height == buf->vb.height &&
 574                            prev->fmt       == buf->fmt) {
 575                         list_move_tail(&buf->vb.queue, &q->active);
 576                         buf->vb.state = VIDEOBUF_ACTIVE;
 577                         buf->count    = q->count++;
 578                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 579                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 580                                 buf,buf->vb.i);
 581                 } else {
 582                         return 0;
 583                 }
 584                 prev = buf;
 585         }
 586 }
 587
 588 /* ------------------------------------------------------------------ */
 589
 590 static int
 591 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 592 {
 593         struct cx8800_fh *fh = q->priv_data;
 594
 595         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 596         if (0 == *count)
 597                 *count = 32;
 598         if (*size * *count > vid_limit * 1024 * 1024)
 599                 *count = (vid_limit * 1024 * 1024) / *size;
 600         return 0;
 601 }
 602
 603 static int
 604 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 605                enum v4l2_field field)
 606 {
 607         struct cx8800_fh   *fh  = q->priv_data;
 608         struct cx8800_dev  *dev = fh->dev;
 609         struct cx88_core *core = dev->core;
 610         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 611         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 612         int rc, init_buffer = 0;
 613
 614         BUG_ON(NULL == fh->fmt);
 615         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 616             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 617                 return -EINVAL;
 618         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 619         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 620                 return -EINVAL;
 621
 622         if (buf->fmt       != fh->fmt    ||
 623             buf->vb.width  != fh->width  ||
 624             buf->vb.height != fh->height ||
 625             buf->vb.field  != field) {
 626                 buf->fmt       = fh->fmt;
 627                 buf->vb.width  = fh->width;
 628                 buf->vb.height = fh->height;
 629                 buf->vb.field  = field;
 630                 init_buffer = 1;
 631         }
 632
 633         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 634                 init_buffer = 1;
 635                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 636                         goto fail;
 637         }
 638
 639         if (init_buffer) {
 640                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 641                 switch (buf->vb.field) {
 642                 case V4L2_FIELD_TOP:
 643                         cx88_risc_buffer(dev->pci, &buf->risc,
 644                                          dma->sglist, 0, UNSET,
 645                                          buf->bpl, 0, buf->vb.height);
 646                         break;
 647                 case V4L2_FIELD_BOTTOM:
 648                         cx88_risc_buffer(dev->pci, &buf->risc,
 649                                          dma->sglist, UNSET, 0,
 650                                          buf->bpl, 0, buf->vb.height);
 651                         break;
 652                 case V4L2_FIELD_INTERLACED:
 653                         cx88_risc_buffer(dev->pci, &buf->risc,
 654                                          dma->sglist, 0, buf->bpl,
 655                                          buf->bpl, buf->bpl,
 656                                          buf->vb.height >> 1);
 657                         break;
 658                 case V4L2_FIELD_SEQ_TB:
 659                         cx88_risc_buffer(dev->pci, &buf->risc,
 660                                          dma->sglist,
 661                                          0, buf->bpl * (buf->vb.height >> 1),
 662                                          buf->bpl, 0,
 663                                          buf->vb.height >> 1);
 664                         break;
 665                 case V4L2_FIELD_SEQ_BT:
 666                         cx88_risc_buffer(dev->pci, &buf->risc,
 667                                          dma->sglist,
 668                                          buf->bpl * (buf->vb.height >> 1), 0,
 669                                          buf->bpl, 0,
 670                                          buf->vb.height >> 1);
 671                         break;
 672                 default:
 673                         BUG();
 674                 }
 675         }
 676         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 677                 buf, buf->vb.i,
 678                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 679                 (unsigned long)buf->risc.dma);
 680
 681         buf->vb.state = VIDEOBUF_PREPARED;
 682         return 0;
 683
 684  fail:
 685         cx88_free_buffer(q,buf);
 686         return rc;
 687 }
 688
 689 static void
 690 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 691 {
 692         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 693         struct cx88_buffer    *prev;
 694         struct cx8800_fh      *fh   = vq->priv_data;
 695         struct cx8800_dev     *dev  = fh->dev;
 696         struct cx88_core      *core = dev->core;
 697         struct cx88_dmaqueue  *q    = &dev->vidq;
 698
 699         /* add jump to stopper */
 700         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 701         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 702
 703         if (!list_empty(&q->queued)) {
 704                 list_add_tail(&buf->vb.queue,&q->queued);
 705                 buf->vb.state = VIDEOBUF_QUEUED;
 706                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 707                         buf, buf->vb.i);
 708
 709         } else if (list_empty(&q->active)) {
 710                 list_add_tail(&buf->vb.queue,&q->active);
 711                 start_video_dma(dev, q, buf);
 712                 buf->vb.state = VIDEOBUF_ACTIVE;
 713                 buf->count    = q->count++;
 714                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 715                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 716                         buf, buf->vb.i);
 717
 718         } else {
 719                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 720                 if (prev->vb.width  == buf->vb.width  &&
 721                     prev->vb.height == buf->vb.height &&
 722                     prev->fmt       == buf->fmt) {
 723                         list_add_tail(&buf->vb.queue,&q->active);
 724                         buf->vb.state = VIDEOBUF_ACTIVE;
 725                         buf->count    = q->count++;
 726                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 727                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 728                                 buf, buf->vb.i);
 729
 730                 } else {
 731                         list_add_tail(&buf->vb.queue,&q->queued);
 732                         buf->vb.state = VIDEOBUF_QUEUED;
 733                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 734                                 buf, buf->vb.i);
 735                 }
 736         }
 737 }
 738
 739 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 740 {
 741         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 742
 743         cx88_free_buffer(q,buf);
 744 }
 745
 746 static const struct videobuf_queue_ops cx8800_video_qops = {
 747         .buf_setup    = buffer_setup,
 748         .buf_prepare  = buffer_prepare,
 749         .buf_queue    = buffer_queue,
 750         .buf_release  = buffer_release,
 751 };
 752
 753 /* ------------------------------------------------------------------ */
 754
 755
 756 /* ------------------------------------------------------------------ */
 757
 758 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 759 {
 760         switch (fh->type) {
 761         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 762                 return &fh->vidq;
 763         case V4L2_BUF_TYPE_VBI_CAPTURE:
 764                 return &fh->vbiq;
 765         default:
 766                 BUG();
 767                 return NULL;
 768         }
 769 }
 770
 771 static int get_ressource(struct cx8800_fh *fh)
 772 {
 773         switch (fh->type) {
 774         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 775                 return RESOURCE_VIDEO;
 776         case V4L2_BUF_TYPE_VBI_CAPTURE:
 777                 return RESOURCE_VBI;
 778         default:
 779                 BUG();
 780                 return 0;
 781         }
 782 }
 783
 784 static int video_open(struct file *file)
 785 {
 786         struct video_device *vdev = video_devdata(file);
 787         struct cx8800_dev *dev = video_drvdata(file);
 788         struct cx88_core *core = dev->core;
 789         struct cx8800_fh *fh;
 790         enum v4l2_buf_type type = 0;
 791         int radio = 0;
 792
 793         switch (vdev->vfl_type) {
 794         case VFL_TYPE_GRABBER:
 795                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 796                 break;
 797         case VFL_TYPE_VBI:
 798                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
 799                 break;
 800         case VFL_TYPE_RADIO:
 801                 radio = 1;
 802                 break;
 803         }
 804
 805         dprintk(1, "open dev=%s radio=%d type=%s\n",
 806                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
 807
 808         /* allocate + initialize per filehandle data */
 809         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 810         if (unlikely(!fh))
 811                 return -ENOMEM;
 812
 813         file->private_data = fh;
 814         fh->dev      = dev;
 815         fh->radio    = radio;
 816         fh->type     = type;
 817         fh->width    = 320;
 818         fh->height   = 240;
 819         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 820
 821         mutex_lock(&core->lock);
 822
 823         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 824                             &dev->pci->dev, &dev->slock,
 825                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 826                             V4L2_FIELD_INTERLACED,
 827                             sizeof(struct cx88_buffer),
 828                             fh, NULL);
 829         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 830                             &dev->pci->dev, &dev->slock,
 831                             V4L2_BUF_TYPE_VBI_CAPTURE,
 832                             V4L2_FIELD_SEQ_TB,
 833                             sizeof(struct cx88_buffer),
 834                             fh, NULL);
 835
 836         if (fh->radio) {
 837                 dprintk(1,"video_open: setting radio device\n");
 838                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 839                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 840                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 841                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 842                 if (core->board.radio.audioroute) {
 843                         if(core->board.audio_chip &&
 844                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 845                                 call_all(core, audio, s_routing,
 846                                         core->board.radio.audioroute, 0, 0);
 847                         }
 848                         /* "I2S ADC mode" */
 849                         core->tvaudio = WW_I2SADC;
 850                         cx88_set_tvaudio(core);
 851                 } else {
 852                         /* FM Mode */
 853                         core->tvaudio = WW_FM;
 854                         cx88_set_tvaudio(core);
 855                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 856                 }
 857                 call_all(core, tuner, s_radio);
 858         }
 859
 860         core->users++;
 861         mutex_unlock(&core->lock);
 862
 863         return 0;
 864 }
 865
 866 static ssize_t
 867 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 868 {
 869         struct cx8800_fh *fh = file->private_data;
 870
 871         switch (fh->type) {
 872         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 873                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 874                         return -EBUSY;
 875                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 876                                          file->f_flags & O_NONBLOCK);
 877         case V4L2_BUF_TYPE_VBI_CAPTURE:
 878                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 879                         return -EBUSY;
 880                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 881                                             file->f_flags & O_NONBLOCK);
 882         default:
 883                 BUG();
 884                 return 0;
 885         }
 886 }
 887
 888 static unsigned int
 889 video_poll(struct file *file, struct poll_table_struct *wait)
 890 {
 891         struct cx8800_fh *fh = file->private_data;
 892         struct cx88_buffer *buf;
 893         unsigned int rc = POLLERR;
 894
 895         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 896                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 897                         return POLLERR;
 898                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 899         }
 900
 901         mutex_lock(&fh->vidq.vb_lock);
 902         if (res_check(fh,RESOURCE_VIDEO)) {
 903                 /* streaming capture */
 904                 if (list_empty(&fh->vidq.stream))
 905                         goto done;
 906                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 907         } else {
 908                 /* read() capture */
 909                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 910                 if (NULL == buf)
 911                         goto done;
 912         }
 913         poll_wait(file, &buf->vb.done, wait);
 914         if (buf->vb.state == VIDEOBUF_DONE ||
 915             buf->vb.state == VIDEOBUF_ERROR)
 916                 rc = POLLIN|POLLRDNORM;
 917         else
 918                 rc = 0;
 919 done:
 920         mutex_unlock(&fh->vidq.vb_lock);
 921         return rc;
 922 }
 923
 924 static int video_release(struct file *file)
 925 {
 926         struct cx8800_fh  *fh  = file->private_data;
 927         struct cx8800_dev *dev = fh->dev;
 928
 929         /* turn off overlay */
 930         if (res_check(fh, RESOURCE_OVERLAY)) {
 931                 /* FIXME */
 932                 res_free(dev,fh,RESOURCE_OVERLAY);
 933         }
 934
 935         /* stop video capture */
 936         if (res_check(fh, RESOURCE_VIDEO)) {
 937                 videobuf_queue_cancel(&fh->vidq);
 938                 res_free(dev,fh,RESOURCE_VIDEO);
 939         }
 940         if (fh->vidq.read_buf) {
 941                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 942                 kfree(fh->vidq.read_buf);
 943         }
 944
 945         /* stop vbi capture */
 946         if (res_check(fh, RESOURCE_VBI)) {
 947                 videobuf_stop(&fh->vbiq);
 948                 res_free(dev,fh,RESOURCE_VBI);
 949         }
 950
 951         videobuf_mmap_free(&fh->vidq);
 952         videobuf_mmap_free(&fh->vbiq);
 953
 954         mutex_lock(&dev->core->lock);
 955         file->private_data = NULL;
 956         kfree(fh);
 957
 958         dev->core->users--;
 959         if (!dev->core->users)
 960                 call_all(dev->core, core, s_power, 0);
 961         mutex_unlock(&dev->core->lock);
 962
 963         return 0;
 964 }
 965
 966 static int
 967 video_mmap(struct file *file, struct vm_area_struct * vma)
 968 {
 969         struct cx8800_fh *fh = file->private_data;
 970
 971         return videobuf_mmap_mapper(get_queue(fh), vma);
 972 }
 973
 974 /* ------------------------------------------------------------------ */
 975 /* VIDEO CTRL IOCTLS                                                  */
 976
 977 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 978 {
 979         const struct cx88_ctrl  *c    = NULL;
 980         u32 value;
 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         if (unlikely(NULL == c))
 987                 return -EINVAL;
 988
 989         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 990         switch (ctl->id) {
 991         case V4L2_CID_AUDIO_BALANCE:
 992                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 993                                         : (0x7f - (value & 0x7f));
 994                 break;
 995         case V4L2_CID_AUDIO_VOLUME:
 996                 ctl->value = 0x3f - (value & 0x3f);
 997                 break;
 998         case V4L2_CID_SHARPNESS:
 999                 ctl->value = ((value & 0x0200) ? (((value & 0x0180) >> 7) + 1)
1000                                                  : 0);
1001                 break;
1002         default:
1003                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
1004                 break;
1005         }
1006         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1007                                 ctl->id, c->v.name, ctl->value, c->reg,
1008                                 value,c->mask, c->sreg ? " [shadowed]" : "");
1009         return 0;
1010 }
1011 EXPORT_SYMBOL(cx88_get_control);
1012
1013 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
1014 {
1015         const struct cx88_ctrl *c = NULL;
1016         u32 value,mask;
1017         int i;
1018
1019         for (i = 0; i < CX8800_CTLS; i++) {
1020                 if (cx8800_ctls[i].v.id == ctl->id) {
1021                         c = &cx8800_ctls[i];
1022                 }
1023         }
1024         if (unlikely(NULL == c))
1025                 return -EINVAL;
1026
1027         if (ctl->value < c->v.minimum)
1028                 ctl->value = c->v.minimum;
1029         if (ctl->value > c->v.maximum)
1030                 ctl->value = c->v.maximum;
1031
1032         /* Pass changes onto any WM8775 */
1033         if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1034                 struct v4l2_control client_ctl;
1035                 memset(&client_ctl, 0, sizeof(client_ctl));
1036                 client_ctl.id = ctl->id;
1037
1038                 switch (ctl->id) {
1039                 case V4L2_CID_AUDIO_MUTE:
1040                         client_ctl.value = ctl->value;
1041                         break;
1042                 case V4L2_CID_AUDIO_VOLUME:
1043                         client_ctl.value = (ctl->value) ?
1044                                 (0x90 + ctl->value) << 8 : 0;
1045                         break;
1046                 case V4L2_CID_AUDIO_BALANCE:
1047                         client_ctl.value = ctl->value << 9;
1048                         break;
1049                 default:
1050                         client_ctl.id = 0;
1051                         break;
1052                 }
1053                 if (client_ctl.id)
1054                         call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
1055         }
1056
1057         mask=c->mask;
1058         switch (ctl->id) {
1059         case V4L2_CID_AUDIO_BALANCE:
1060                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1061                 break;
1062         case V4L2_CID_AUDIO_VOLUME:
1063                 value = 0x3f - (ctl->value & 0x3f);
1064                 break;
1065         case V4L2_CID_SATURATION:
1066                 /* special v_sat handling */
1067
1068                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1069
1070                 if (core->tvnorm & V4L2_STD_SECAM) {
1071                         /* For SECAM, both U and V sat should be equal */
1072                         value=value<<8|value;
1073                 } else {
1074                         /* Keeps U Saturation proportional to V Sat */
1075                         value=(value*0x5a)/0x7f<<8|value;
1076                 }
1077                 mask=0xffff;
1078                 break;
1079         case V4L2_CID_SHARPNESS:
1080                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
1081                 value = (ctl->value < 1 ? 0 : ((ctl->value + 3) << 7));
1082                 /* needs to be set for both fields */
1083                 cx_andor(MO_FILTER_EVEN, mask, value);
1084                 break;
1085         case V4L2_CID_CHROMA_AGC:
1086                 /* Do not allow chroma AGC to be enabled for SECAM */
1087                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1088                 if (core->tvnorm & V4L2_STD_SECAM && value)
1089                         return -EINVAL;
1090                 break;
1091         default:
1092                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1093                 break;
1094         }
1095         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1096                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1097                                 mask, c->sreg ? " [shadowed]" : "");
1098         if (c->sreg) {
1099                 cx_sandor(c->sreg, c->reg, mask, value);
1100         } else {
1101                 cx_andor(c->reg, mask, value);
1102         }
1103         return 0;
1104 }
1105 EXPORT_SYMBOL(cx88_set_control);
1106
1107 static void init_controls(struct cx88_core *core)
1108 {
1109         struct v4l2_control ctrl;
1110         int i;
1111
1112         for (i = 0; i < CX8800_CTLS; i++) {
1113                 ctrl.id=cx8800_ctls[i].v.id;
1114                 ctrl.value=cx8800_ctls[i].v.default_value;
1115
1116                 cx88_set_control(core, &ctrl);
1117         }
1118 }
1119
1120 /* ------------------------------------------------------------------ */
1121 /* VIDEO IOCTLS                                                       */
1122
1123 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1124                                         struct v4l2_format *f)
1125 {
1126         struct cx8800_fh  *fh   = priv;
1127
1128         f->fmt.pix.width        = fh->width;
1129         f->fmt.pix.height       = fh->height;
1130         f->fmt.pix.field        = fh->vidq.field;
1131         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1132         f->fmt.pix.bytesperline =
1133                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1134         f->fmt.pix.sizeimage =
1135                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1136         return 0;
1137 }
1138
1139 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1140                         struct v4l2_format *f)
1141 {
1142         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1143         const struct cx8800_fmt *fmt;
1144         enum v4l2_field   field;
1145         unsigned int      maxw, maxh;
1146
1147         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1148         if (NULL == fmt)
1149                 return -EINVAL;
1150
1151         field = f->fmt.pix.field;
1152         maxw  = norm_maxw(core->tvnorm);
1153         maxh  = norm_maxh(core->tvnorm);
1154
1155         if (V4L2_FIELD_ANY == field) {
1156                 field = (f->fmt.pix.height > maxh/2)
1157                         ? V4L2_FIELD_INTERLACED
1158                         : V4L2_FIELD_BOTTOM;
1159         }
1160
1161         switch (field) {
1162         case V4L2_FIELD_TOP:
1163         case V4L2_FIELD_BOTTOM:
1164                 maxh = maxh / 2;
1165                 break;
1166         case V4L2_FIELD_INTERLACED:
1167                 break;
1168         default:
1169                 return -EINVAL;
1170         }
1171
1172         f->fmt.pix.field = field;
1173         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1174                               &f->fmt.pix.height, 32, maxh, 0, 0);
1175         f->fmt.pix.bytesperline =
1176                 (f->fmt.pix.width * fmt->depth) >> 3;
1177         f->fmt.pix.sizeimage =
1178                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1179
1180         return 0;
1181 }
1182
1183 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1184                                         struct v4l2_format *f)
1185 {
1186         struct cx8800_fh  *fh   = priv;
1187         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1188
1189         if (0 != err)
1190                 return err;
1191         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1192         fh->width      = f->fmt.pix.width;
1193         fh->height     = f->fmt.pix.height;
1194         fh->vidq.field = f->fmt.pix.field;
1195         return 0;
1196 }
1197
1198 static int vidioc_querycap (struct file *file, void  *priv,
1199                                         struct v4l2_capability *cap)
1200 {
1201         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1202         struct cx88_core  *core = dev->core;
1203
1204         strcpy(cap->driver, "cx8800");
1205         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1206         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1207         cap->capabilities =
1208                 V4L2_CAP_VIDEO_CAPTURE |
1209                 V4L2_CAP_READWRITE     |
1210                 V4L2_CAP_STREAMING     |
1211                 V4L2_CAP_VBI_CAPTURE;
1212         if (UNSET != core->board.tuner_type)
1213                 cap->capabilities |= V4L2_CAP_TUNER;
1214         return 0;
1215 }
1216
1217 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1218                                         struct v4l2_fmtdesc *f)
1219 {
1220         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1221                 return -EINVAL;
1222
1223         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1224         f->pixelformat = formats[f->index].fourcc;
1225
1226         return 0;
1227 }
1228
1229 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1230 {
1231         struct cx8800_fh  *fh   = priv;
1232         return (videobuf_reqbufs(get_queue(fh), p));
1233 }
1234
1235 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1236 {
1237         struct cx8800_fh  *fh   = priv;
1238         return (videobuf_querybuf(get_queue(fh), p));
1239 }
1240
1241 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1242 {
1243         struct cx8800_fh  *fh   = priv;
1244         return (videobuf_qbuf(get_queue(fh), p));
1245 }
1246
1247 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1248 {
1249         struct cx8800_fh  *fh   = priv;
1250         return (videobuf_dqbuf(get_queue(fh), p,
1251                                 file->f_flags & O_NONBLOCK));
1252 }
1253
1254 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1255 {
1256         struct cx8800_fh  *fh   = priv;
1257         struct cx8800_dev *dev  = fh->dev;
1258
1259         /* We should remember that this driver also supports teletext,  */
1260         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1261         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1262                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1263                 return -EINVAL;
1264
1265         if (unlikely(i != fh->type))
1266                 return -EINVAL;
1267
1268         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1269                 return -EBUSY;
1270         return videobuf_streamon(get_queue(fh));
1271 }
1272
1273 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1274 {
1275         struct cx8800_fh  *fh   = priv;
1276         struct cx8800_dev *dev  = fh->dev;
1277         int               err, res;
1278
1279         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1280             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1281                 return -EINVAL;
1282
1283         if (i != fh->type)
1284                 return -EINVAL;
1285
1286         res = get_ressource(fh);
1287         err = videobuf_streamoff(get_queue(fh));
1288         if (err < 0)
1289                 return err;
1290         res_free(dev,fh,res);
1291         return 0;
1292 }
1293
1294 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1295 {
1296         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1297
1298         mutex_lock(&core->lock);
1299         cx88_set_tvnorm(core,*tvnorms);
1300         mutex_unlock(&core->lock);
1301
1302         return 0;
1303 }
1304
1305 /* only one input in this sample driver */
1306 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1307 {
1308         static const char * const iname[] = {
1309                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1310                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1311                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1312                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1313                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1314                 [ CX88_VMUX_TELEVISION ] = "Television",
1315                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1316                 [ CX88_VMUX_DVB        ] = "DVB",
1317                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1318         };
1319         unsigned int n = i->index;
1320
1321         if (n >= 4)
1322                 return -EINVAL;
1323         if (0 == INPUT(n).type)
1324                 return -EINVAL;
1325         i->type  = V4L2_INPUT_TYPE_CAMERA;
1326         strcpy(i->name,iname[INPUT(n).type]);
1327         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1328             (CX88_VMUX_CABLE      == INPUT(n).type)) {
1329                 i->type = V4L2_INPUT_TYPE_TUNER;
1330                 i->std = CX88_NORMS;
1331         }
1332         return 0;
1333 }
1334 EXPORT_SYMBOL(cx88_enum_input);
1335
1336 static int vidioc_enum_input (struct file *file, void *priv,
1337                                 struct v4l2_input *i)
1338 {
1339         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1340         return cx88_enum_input (core,i);
1341 }
1342
1343 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1344 {
1345         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1346
1347         *i = core->input;
1348         return 0;
1349 }
1350
1351 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1352 {
1353         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1354
1355         if (i >= 4)
1356                 return -EINVAL;
1357
1358         mutex_lock(&core->lock);
1359         cx88_newstation(core);
1360         cx88_video_mux(core,i);
1361         mutex_unlock(&core->lock);
1362         return 0;
1363 }
1364
1365
1366
1367 static int vidioc_queryctrl (struct file *file, void *priv,
1368                                 struct v4l2_queryctrl *qctrl)
1369 {
1370         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1371
1372         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1373         if (unlikely(qctrl->id == 0))
1374                 return -EINVAL;
1375         return cx8800_ctrl_query(core, qctrl);
1376 }
1377
1378 static int vidioc_g_ctrl (struct file *file, void *priv,
1379                                 struct v4l2_control *ctl)
1380 {
1381         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1382         return
1383                 cx88_get_control(core,ctl);
1384 }
1385
1386 static int vidioc_s_ctrl (struct file *file, void *priv,
1387                                 struct v4l2_control *ctl)
1388 {
1389         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1390         return
1391                 cx88_set_control(core,ctl);
1392 }
1393
1394 static int vidioc_g_tuner (struct file *file, void *priv,
1395                                 struct v4l2_tuner *t)
1396 {
1397         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1398         u32 reg;
1399
1400         if (unlikely(UNSET == core->board.tuner_type))
1401                 return -EINVAL;
1402         if (0 != t->index)
1403                 return -EINVAL;
1404
1405         strcpy(t->name, "Television");
1406         t->type       = V4L2_TUNER_ANALOG_TV;
1407         t->capability = V4L2_TUNER_CAP_NORM;
1408         t->rangehigh  = 0xffffffffUL;
1409
1410         cx88_get_stereo(core ,t);
1411         reg = cx_read(MO_DEVICE_STATUS);
1412         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1413         return 0;
1414 }
1415
1416 static int vidioc_s_tuner (struct file *file, void *priv,
1417                                 struct v4l2_tuner *t)
1418 {
1419         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1420
1421         if (UNSET == core->board.tuner_type)
1422                 return -EINVAL;
1423         if (0 != t->index)
1424                 return -EINVAL;
1425
1426         cx88_set_stereo(core, t->audmode, 1);
1427         return 0;
1428 }
1429
1430 static int vidioc_g_frequency (struct file *file, void *priv,
1431                                 struct v4l2_frequency *f)
1432 {
1433         struct cx8800_fh  *fh   = priv;
1434         struct cx88_core  *core = fh->dev->core;
1435
1436         if (unlikely(UNSET == core->board.tuner_type))
1437                 return -EINVAL;
1438
1439         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1440         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1441         f->frequency = core->freq;
1442
1443         call_all(core, tuner, g_frequency, f);
1444
1445         return 0;
1446 }
1447
1448 int cx88_set_freq (struct cx88_core  *core,
1449                                 struct v4l2_frequency *f)
1450 {
1451         if (unlikely(UNSET == core->board.tuner_type))
1452                 return -EINVAL;
1453         if (unlikely(f->tuner != 0))
1454                 return -EINVAL;
1455
1456         mutex_lock(&core->lock);
1457         core->freq = f->frequency;
1458         cx88_newstation(core);
1459         call_all(core, tuner, s_frequency, f);
1460
1461         /* When changing channels it is required to reset TVAUDIO */
1462         msleep (10);
1463         cx88_set_tvaudio(core);
1464
1465         mutex_unlock(&core->lock);
1466
1467         return 0;
1468 }
1469 EXPORT_SYMBOL(cx88_set_freq);
1470
1471 static int vidioc_s_frequency (struct file *file, void *priv,
1472                                 struct v4l2_frequency *f)
1473 {
1474         struct cx8800_fh  *fh   = priv;
1475         struct cx88_core  *core = fh->dev->core;
1476
1477         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1478                 return -EINVAL;
1479         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1480                 return -EINVAL;
1481
1482         return
1483                 cx88_set_freq (core,f);
1484 }
1485
1486 #ifdef CONFIG_VIDEO_ADV_DEBUG
1487 static int vidioc_g_register (struct file *file, void *fh,
1488                                 struct v4l2_dbg_register *reg)
1489 {
1490         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1491
1492         if (!v4l2_chip_match_host(&reg->match))
1493                 return -EINVAL;
1494         /* cx2388x has a 24-bit register space */
1495         reg->val = cx_read(reg->reg & 0xffffff);
1496         reg->size = 4;
1497         return 0;
1498 }
1499
1500 static int vidioc_s_register (struct file *file, void *fh,
1501                                 struct v4l2_dbg_register *reg)
1502 {
1503         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1504
1505         if (!v4l2_chip_match_host(&reg->match))
1506                 return -EINVAL;
1507         cx_write(reg->reg & 0xffffff, reg->val);
1508         return 0;
1509 }
1510 #endif
1511
1512 /* ----------------------------------------------------------- */
1513 /* RADIO ESPECIFIC IOCTLS                                      */
1514 /* ----------------------------------------------------------- */
1515
1516 static int radio_querycap (struct file *file, void  *priv,
1517                                         struct v4l2_capability *cap)
1518 {
1519         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1520         struct cx88_core  *core = dev->core;
1521
1522         strcpy(cap->driver, "cx8800");
1523         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1524         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1525         cap->capabilities = V4L2_CAP_TUNER;
1526         return 0;
1527 }
1528
1529 static int radio_g_tuner (struct file *file, void *priv,
1530                                 struct v4l2_tuner *t)
1531 {
1532         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1533
1534         if (unlikely(t->index > 0))
1535                 return -EINVAL;
1536
1537         strcpy(t->name, "Radio");
1538         t->type = V4L2_TUNER_RADIO;
1539
1540         call_all(core, tuner, g_tuner, t);
1541         return 0;
1542 }
1543
1544 static int radio_enum_input (struct file *file, void *priv,
1545                                 struct v4l2_input *i)
1546 {
1547         if (i->index != 0)
1548                 return -EINVAL;
1549         strcpy(i->name,"Radio");
1550         i->type = V4L2_INPUT_TYPE_TUNER;
1551
1552         return 0;
1553 }
1554
1555 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1556 {
1557         if (unlikely(a->index))
1558                 return -EINVAL;
1559
1560         strcpy(a->name,"Radio");
1561         return 0;
1562 }
1563
1564 /* FIXME: Should add a standard for radio */
1565
1566 static int radio_s_tuner (struct file *file, void *priv,
1567                                 struct v4l2_tuner *t)
1568 {
1569         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1570
1571         if (0 != t->index)
1572                 return -EINVAL;
1573
1574         call_all(core, tuner, s_tuner, t);
1575
1576         return 0;
1577 }
1578
1579 static int radio_s_audio (struct file *file, void *fh,
1580                           struct v4l2_audio *a)
1581 {
1582         return 0;
1583 }
1584
1585 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1586 {
1587         return 0;
1588 }
1589
1590 static int radio_queryctrl (struct file *file, void *priv,
1591                             struct v4l2_queryctrl *c)
1592 {
1593         int i;
1594
1595         if (c->id <  V4L2_CID_BASE ||
1596                 c->id >= V4L2_CID_LASTP1)
1597                 return -EINVAL;
1598         if (c->id == V4L2_CID_AUDIO_MUTE ||
1599                 c->id == V4L2_CID_AUDIO_VOLUME ||
1600                 c->id == V4L2_CID_AUDIO_BALANCE) {
1601                 for (i = 0; i < CX8800_CTLS; i++) {
1602                         if (cx8800_ctls[i].v.id == c->id)
1603                                 break;
1604                 }
1605                 if (i == CX8800_CTLS)
1606                         return -EINVAL;
1607                 *c = cx8800_ctls[i].v;
1608         } else
1609                 *c = no_ctl;
1610         return 0;
1611 }
1612
1613 /* ----------------------------------------------------------- */
1614
1615 static void cx8800_vid_timeout(unsigned long data)
1616 {
1617         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1618         struct cx88_core *core = dev->core;
1619         struct cx88_dmaqueue *q = &dev->vidq;
1620         struct cx88_buffer *buf;
1621         unsigned long flags;
1622
1623         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1624
1625         cx_clear(MO_VID_DMACNTRL, 0x11);
1626         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1627
1628         spin_lock_irqsave(&dev->slock,flags);
1629         while (!list_empty(&q->active)) {
1630                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1631                 list_del(&buf->vb.queue);
1632                 buf->vb.state = VIDEOBUF_ERROR;
1633                 wake_up(&buf->vb.done);
1634                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1635                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1636         }
1637         restart_video_queue(dev,q);
1638         spin_unlock_irqrestore(&dev->slock,flags);
1639 }
1640
1641 static const char *cx88_vid_irqs[32] = {
1642         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1643         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1644         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1645         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1646         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1647 };
1648
1649 static void cx8800_vid_irq(struct cx8800_dev *dev)
1650 {
1651         struct cx88_core *core = dev->core;
1652         u32 status, mask, count;
1653
1654         status = cx_read(MO_VID_INTSTAT);
1655         mask   = cx_read(MO_VID_INTMSK);
1656         if (0 == (status & mask))
1657                 return;
1658         cx_write(MO_VID_INTSTAT, status);
1659         if (irq_debug  ||  (status & mask & ~0xff))
1660                 cx88_print_irqbits(core->name, "irq vid",
1661                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1662                                    status, mask);
1663
1664         /* risc op code error */
1665         if (status & (1 << 16)) {
1666                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1667                 cx_clear(MO_VID_DMACNTRL, 0x11);
1668                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1669                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1670         }
1671
1672         /* risc1 y */
1673         if (status & 0x01) {
1674                 spin_lock(&dev->slock);
1675                 count = cx_read(MO_VIDY_GPCNT);
1676                 cx88_wakeup(core, &dev->vidq, count);
1677                 spin_unlock(&dev->slock);
1678         }
1679
1680         /* risc1 vbi */
1681         if (status & 0x08) {
1682                 spin_lock(&dev->slock);
1683                 count = cx_read(MO_VBI_GPCNT);
1684                 cx88_wakeup(core, &dev->vbiq, count);
1685                 spin_unlock(&dev->slock);
1686         }
1687
1688         /* risc2 y */
1689         if (status & 0x10) {
1690                 dprintk(2,"stopper video\n");
1691                 spin_lock(&dev->slock);
1692                 restart_video_queue(dev,&dev->vidq);
1693                 spin_unlock(&dev->slock);
1694         }
1695
1696         /* risc2 vbi */
1697         if (status & 0x80) {
1698                 dprintk(2,"stopper vbi\n");
1699                 spin_lock(&dev->slock);
1700                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1701                 spin_unlock(&dev->slock);
1702         }
1703 }
1704
1705 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1706 {
1707         struct cx8800_dev *dev = dev_id;
1708         struct cx88_core *core = dev->core;
1709         u32 status;
1710         int loop, handled = 0;
1711
1712         for (loop = 0; loop < 10; loop++) {
1713                 status = cx_read(MO_PCI_INTSTAT) &
1714                         (core->pci_irqmask | PCI_INT_VIDINT);
1715                 if (0 == status)
1716                         goto out;
1717                 cx_write(MO_PCI_INTSTAT, status);
1718                 handled = 1;
1719
1720                 if (status & core->pci_irqmask)
1721                         cx88_core_irq(core,status);
1722                 if (status & PCI_INT_VIDINT)
1723                         cx8800_vid_irq(dev);
1724         };
1725         if (10 == loop) {
1726                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1727                        core->name);
1728                 cx_write(MO_PCI_INTMSK,0);
1729         }
1730
1731  out:
1732         return IRQ_RETVAL(handled);
1733 }
1734
1735 /* ----------------------------------------------------------- */
1736 /* exported stuff                                              */
1737
1738 static const struct v4l2_file_operations video_fops =
1739 {
1740         .owner         = THIS_MODULE,
1741         .open          = video_open,
1742         .release       = video_release,
1743         .read          = video_read,
1744         .poll          = video_poll,
1745         .mmap          = video_mmap,
1746         .unlocked_ioctl = video_ioctl2,
1747 };
1748
1749 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1750         .vidioc_querycap      = vidioc_querycap,
1751         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1752         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1753         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1754         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1755         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1756         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1757         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1758         .vidioc_reqbufs       = vidioc_reqbufs,
1759         .vidioc_querybuf      = vidioc_querybuf,
1760         .vidioc_qbuf          = vidioc_qbuf,
1761         .vidioc_dqbuf         = vidioc_dqbuf,
1762         .vidioc_s_std         = vidioc_s_std,
1763         .vidioc_enum_input    = vidioc_enum_input,
1764         .vidioc_g_input       = vidioc_g_input,
1765         .vidioc_s_input       = vidioc_s_input,
1766         .vidioc_queryctrl     = vidioc_queryctrl,
1767         .vidioc_g_ctrl        = vidioc_g_ctrl,
1768         .vidioc_s_ctrl        = vidioc_s_ctrl,
1769         .vidioc_streamon      = vidioc_streamon,
1770         .vidioc_streamoff     = vidioc_streamoff,
1771         .vidioc_g_tuner       = vidioc_g_tuner,
1772         .vidioc_s_tuner       = vidioc_s_tuner,
1773         .vidioc_g_frequency   = vidioc_g_frequency,
1774         .vidioc_s_frequency   = vidioc_s_frequency,
1775 #ifdef CONFIG_VIDEO_ADV_DEBUG
1776         .vidioc_g_register    = vidioc_g_register,
1777         .vidioc_s_register    = vidioc_s_register,
1778 #endif
1779 };
1780
1781 static struct video_device cx8800_vbi_template;
1782
1783 static const struct video_device cx8800_video_template = {
1784         .name                 = "cx8800-video",
1785         .fops                 = &video_fops,
1786         .ioctl_ops            = &video_ioctl_ops,
1787         .tvnorms              = CX88_NORMS,
1788         .current_norm         = V4L2_STD_NTSC_M,
1789 };
1790
1791 static const struct v4l2_file_operations radio_fops =
1792 {
1793         .owner         = THIS_MODULE,
1794         .open          = video_open,
1795         .release       = video_release,
1796         .unlocked_ioctl = video_ioctl2,
1797 };
1798
1799 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1800         .vidioc_querycap      = radio_querycap,
1801         .vidioc_g_tuner       = radio_g_tuner,
1802         .vidioc_enum_input    = radio_enum_input,
1803         .vidioc_g_audio       = radio_g_audio,
1804         .vidioc_s_tuner       = radio_s_tuner,
1805         .vidioc_s_audio       = radio_s_audio,
1806         .vidioc_s_input       = radio_s_input,
1807         .vidioc_queryctrl     = radio_queryctrl,
1808         .vidioc_g_ctrl        = vidioc_g_ctrl,
1809         .vidioc_s_ctrl        = vidioc_s_ctrl,
1810         .vidioc_g_frequency   = vidioc_g_frequency,
1811         .vidioc_s_frequency   = vidioc_s_frequency,
1812 #ifdef CONFIG_VIDEO_ADV_DEBUG
1813         .vidioc_g_register    = vidioc_g_register,
1814         .vidioc_s_register    = vidioc_s_register,
1815 #endif
1816 };
1817
1818 static const struct video_device cx8800_radio_template = {
1819         .name                 = "cx8800-radio",
1820         .fops                 = &radio_fops,
1821         .ioctl_ops            = &radio_ioctl_ops,
1822 };
1823
1824 /* ----------------------------------------------------------- */
1825
1826 static void cx8800_unregister_video(struct cx8800_dev *dev)
1827 {
1828         if (dev->radio_dev) {
1829                 if (video_is_registered(dev->radio_dev))
1830                         video_unregister_device(dev->radio_dev);
1831                 else
1832                         video_device_release(dev->radio_dev);
1833                 dev->radio_dev = NULL;
1834         }
1835         if (dev->vbi_dev) {
1836                 if (video_is_registered(dev->vbi_dev))
1837                         video_unregister_device(dev->vbi_dev);
1838                 else
1839                         video_device_release(dev->vbi_dev);
1840                 dev->vbi_dev = NULL;
1841         }
1842         if (dev->video_dev) {
1843                 if (video_is_registered(dev->video_dev))
1844                         video_unregister_device(dev->video_dev);
1845                 else
1846                         video_device_release(dev->video_dev);
1847                 dev->video_dev = NULL;
1848         }
1849 }
1850
1851 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1852                                     const struct pci_device_id *pci_id)
1853 {
1854         struct cx8800_dev *dev;
1855         struct cx88_core *core;
1856
1857         int err;
1858
1859         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1860         if (NULL == dev)
1861                 return -ENOMEM;
1862
1863         /* pci init */
1864         dev->pci = pci_dev;
1865         if (pci_enable_device(pci_dev)) {
1866                 err = -EIO;
1867                 goto fail_free;
1868         }
1869         core = cx88_core_get(dev->pci);
1870         if (NULL == core) {
1871                 err = -EINVAL;
1872                 goto fail_free;
1873         }
1874         dev->core = core;
1875
1876         /* print pci info */
1877         dev->pci_rev = pci_dev->revision;
1878         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1879         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1880                "latency: %d, mmio: 0x%llx\n", core->name,
1881                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1882                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1883
1884         pci_set_master(pci_dev);
1885         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1886                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1887                 err = -EIO;
1888                 goto fail_core;
1889         }
1890
1891         /* Initialize VBI template */
1892         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1893                 sizeof(cx8800_vbi_template) );
1894         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1895
1896         /* initialize driver struct */
1897         spin_lock_init(&dev->slock);
1898         core->tvnorm = cx8800_video_template.current_norm;
1899
1900         /* init video dma queues */
1901         INIT_LIST_HEAD(&dev->vidq.active);
1902         INIT_LIST_HEAD(&dev->vidq.queued);
1903         dev->vidq.timeout.function = cx8800_vid_timeout;
1904         dev->vidq.timeout.data     = (unsigned long)dev;
1905         init_timer(&dev->vidq.timeout);
1906         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1907                           MO_VID_DMACNTRL,0x11,0x00);
1908
1909         /* init vbi dma queues */
1910         INIT_LIST_HEAD(&dev->vbiq.active);
1911         INIT_LIST_HEAD(&dev->vbiq.queued);
1912         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1913         dev->vbiq.timeout.data     = (unsigned long)dev;
1914         init_timer(&dev->vbiq.timeout);
1915         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1916                           MO_VID_DMACNTRL,0x88,0x00);
1917
1918         /* get irq */
1919         err = request_irq(pci_dev->irq, cx8800_irq,
1920                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1921         if (err < 0) {
1922                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1923                        core->name,pci_dev->irq);
1924                 goto fail_core;
1925         }
1926         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1927
1928         /* load and configure helper modules */
1929
1930         if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1931                 struct i2c_board_info wm8775_info = {
1932                         .type = "wm8775",
1933                         .addr = 0x36 >> 1,
1934                         .platform_data = &core->wm8775_data,
1935                 };
1936                 struct v4l2_subdev *sd;
1937
1938                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1939                         core->wm8775_data.is_nova_s = true;
1940                 else
1941                         core->wm8775_data.is_nova_s = false;
1942
1943                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1944                                 &wm8775_info, NULL);
1945                 if (sd != NULL)
1946                         sd->grp_id = WM8775_GID;
1947         }
1948
1949         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1950                 /* This probes for a tda9874 as is used on some
1951                    Pixelview Ultra boards. */
1952                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1953                                 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1954         }
1955
1956         switch (core->boardnr) {
1957         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1958         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1959                 static const struct i2c_board_info rtc_info = {
1960                         I2C_BOARD_INFO("isl1208", 0x6f)
1961                 };
1962
1963                 request_module("rtc-isl1208");
1964                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1965         }
1966                 /* break intentionally omitted */
1967         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1968                 request_module("ir-kbd-i2c");
1969         }
1970
1971         /* Sets device info at pci_dev */
1972         pci_set_drvdata(pci_dev, dev);
1973
1974         /* initial device configuration */
1975         mutex_lock(&core->lock);
1976         cx88_set_tvnorm(core, core->tvnorm);
1977         init_controls(core);
1978         cx88_video_mux(core, 0);
1979
1980         /* register v4l devices */
1981         dev->video_dev = cx88_vdev_init(core,dev->pci,
1982                                         &cx8800_video_template,"video");
1983         video_set_drvdata(dev->video_dev, dev);
1984         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1985                                     video_nr[core->nr]);
1986         if (err < 0) {
1987                 printk(KERN_ERR "%s/0: can't register video device\n",
1988                        core->name);
1989                 goto fail_unreg;
1990         }
1991         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1992                core->name, video_device_node_name(dev->video_dev));
1993
1994         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1995         video_set_drvdata(dev->vbi_dev, dev);
1996         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1997                                     vbi_nr[core->nr]);
1998         if (err < 0) {
1999                 printk(KERN_ERR "%s/0: can't register vbi device\n",
2000                        core->name);
2001                 goto fail_unreg;
2002         }
2003         printk(KERN_INFO "%s/0: registered device %s\n",
2004                core->name, video_device_node_name(dev->vbi_dev));
2005
2006         if (core->board.radio.type == CX88_RADIO) {
2007                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
2008                                                 &cx8800_radio_template,"radio");
2009                 video_set_drvdata(dev->radio_dev, dev);
2010                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
2011                                             radio_nr[core->nr]);
2012                 if (err < 0) {
2013                         printk(KERN_ERR "%s/0: can't register radio device\n",
2014                                core->name);
2015                         goto fail_unreg;
2016                 }
2017                 printk(KERN_INFO "%s/0: registered device %s\n",
2018                        core->name, video_device_node_name(dev->radio_dev));
2019         }
2020
2021         /* start tvaudio thread */
2022         if (core->board.tuner_type != TUNER_ABSENT) {
2023                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
2024                 if (IS_ERR(core->kthread)) {
2025                         err = PTR_ERR(core->kthread);
2026                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
2027                                core->name, err);
2028                 }
2029         }
2030         mutex_unlock(&core->lock);
2031
2032         return 0;
2033
2034 fail_unreg:
2035         cx8800_unregister_video(dev);
2036         free_irq(pci_dev->irq, dev);
2037         mutex_unlock(&core->lock);
2038 fail_core:
2039         cx88_core_put(core,dev->pci);
2040 fail_free:
2041         kfree(dev);
2042         return err;
2043 }
2044
2045 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
2046 {
2047         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2048         struct cx88_core *core = dev->core;
2049
2050         /* stop thread */
2051         if (core->kthread) {
2052                 kthread_stop(core->kthread);
2053                 core->kthread = NULL;
2054         }
2055
2056         if (core->ir)
2057                 cx88_ir_stop(core);
2058
2059         cx88_shutdown(core); /* FIXME */
2060         pci_disable_device(pci_dev);
2061
2062         /* unregister stuff */
2063
2064         free_irq(pci_dev->irq, dev);
2065         cx8800_unregister_video(dev);
2066         pci_set_drvdata(pci_dev, NULL);
2067
2068         /* free memory */
2069         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2070         cx88_core_put(core,dev->pci);
2071         kfree(dev);
2072 }
2073
2074 #ifdef CONFIG_PM
2075 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2076 {
2077         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2078         struct cx88_core *core = dev->core;
2079
2080         /* stop video+vbi capture */
2081         spin_lock(&dev->slock);
2082         if (!list_empty(&dev->vidq.active)) {
2083                 printk("%s/0: suspend video\n", core->name);
2084                 stop_video_dma(dev);
2085                 del_timer(&dev->vidq.timeout);
2086         }
2087         if (!list_empty(&dev->vbiq.active)) {
2088                 printk("%s/0: suspend vbi\n", core->name);
2089                 cx8800_stop_vbi_dma(dev);
2090                 del_timer(&dev->vbiq.timeout);
2091         }
2092         spin_unlock(&dev->slock);
2093
2094         if (core->ir)
2095                 cx88_ir_stop(core);
2096         /* FIXME -- shutdown device */
2097         cx88_shutdown(core);
2098
2099         pci_save_state(pci_dev);
2100         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2101                 pci_disable_device(pci_dev);
2102                 dev->state.disabled = 1;
2103         }
2104         return 0;
2105 }
2106
2107 static int cx8800_resume(struct pci_dev *pci_dev)
2108 {
2109         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2110         struct cx88_core *core = dev->core;
2111         int err;
2112
2113         if (dev->state.disabled) {
2114                 err=pci_enable_device(pci_dev);
2115                 if (err) {
2116                         printk(KERN_ERR "%s/0: can't enable device\n",
2117                                core->name);
2118                         return err;
2119                 }
2120
2121                 dev->state.disabled = 0;
2122         }
2123         err= pci_set_power_state(pci_dev, PCI_D0);
2124         if (err) {
2125                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2126                 pci_disable_device(pci_dev);
2127                 dev->state.disabled = 1;
2128
2129                 return err;
2130         }
2131         pci_restore_state(pci_dev);
2132
2133         /* FIXME: re-initialize hardware */
2134         cx88_reset(core);
2135         if (core->ir)
2136                 cx88_ir_start(core);
2137
2138         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2139
2140         /* restart video+vbi capture */
2141         spin_lock(&dev->slock);
2142         if (!list_empty(&dev->vidq.active)) {
2143                 printk("%s/0: resume video\n", core->name);
2144                 restart_video_queue(dev,&dev->vidq);
2145         }
2146         if (!list_empty(&dev->vbiq.active)) {
2147                 printk("%s/0: resume vbi\n", core->name);
2148                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2149         }
2150         spin_unlock(&dev->slock);
2151
2152         return 0;
2153 }
2154 #endif
2155
2156 /* ----------------------------------------------------------- */
2157
2158 static const struct pci_device_id cx8800_pci_tbl[] = {
2159         {
2160                 .vendor       = 0x14f1,
2161                 .device       = 0x8800,
2162                 .subvendor    = PCI_ANY_ID,
2163                 .subdevice    = PCI_ANY_ID,
2164         },{
2165                 /* --- end of list --- */
2166         }
2167 };
2168 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2169
2170 static struct pci_driver cx8800_pci_driver = {
2171         .name     = "cx8800",
2172         .id_table = cx8800_pci_tbl,
2173         .probe    = cx8800_initdev,
2174         .remove   = __devexit_p(cx8800_finidev),
2175 #ifdef CONFIG_PM
2176         .suspend  = cx8800_suspend,
2177         .resume   = cx8800_resume,
2178 #endif
2179 };
2180
2181 static int __init cx8800_init(void)
2182 {
2183         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n",
2184                CX88_VERSION);
2185         return pci_register_driver(&cx8800_pci_driver);
2186 }
2187
2188 static void __exit cx8800_fini(void)
2189 {
2190         pci_unregister_driver(&cx8800_pci_driver);
2191 }
2192
2193 module_init(cx8800_init);
2194 module_exit(cx8800_fini);