linux/drivers/media/video/cx88/cx88-video.c
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   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
  45MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  46MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  47MODULE_LICENSE("GPL");
  48
  49/* ------------------------------------------------------------------ */
  50
  51static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54
  55module_param_array(video_nr, int, NULL, 0444);
  56module_param_array(vbi_nr,   int, NULL, 0444);
  57module_param_array(radio_nr, int, NULL, 0444);
  58
  59MODULE_PARM_DESC(video_nr,"video device numbers");
  60MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  61MODULE_PARM_DESC(radio_nr,"radio device numbers");
  62
  63static unsigned int video_debug;
  64module_param(video_debug,int,0644);
  65MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  66
  67static unsigned int irq_debug;
  68module_param(irq_debug,int,0644);
  69MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  70
  71static unsigned int vid_limit = 16;
  72module_param(vid_limit,int,0644);
  73MODULE_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
  80static LIST_HEAD(cx8800_devlist);
  81
  82/* ------------------------------------------------------------------- */
  83/* static data                                                         */
  84
  85static struct cx8800_fmt formats[] = {
  86        {
  87                .name     = "8 bpp, gray",
  88                .fourcc   = V4L2_PIX_FMT_GREY,
  89                .cxformat = ColorFormatY8,
  90                .depth    = 8,
  91                .flags    = FORMAT_FLAGS_PACKED,
  92        },{
  93                .name     = "15 bpp RGB, le",
  94                .fourcc   = V4L2_PIX_FMT_RGB555,
  95                .cxformat = ColorFormatRGB15,
  96                .depth    = 16,
  97                .flags    = FORMAT_FLAGS_PACKED,
  98        },{
  99                .name     = "15 bpp RGB, be",
 100                .fourcc   = V4L2_PIX_FMT_RGB555X,
 101                .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 102                .depth    = 16,
 103                .flags    = FORMAT_FLAGS_PACKED,
 104        },{
 105                .name     = "16 bpp RGB, le",
 106                .fourcc   = V4L2_PIX_FMT_RGB565,
 107                .cxformat = ColorFormatRGB16,
 108                .depth    = 16,
 109                .flags    = FORMAT_FLAGS_PACKED,
 110        },{
 111                .name     = "16 bpp RGB, be",
 112                .fourcc   = V4L2_PIX_FMT_RGB565X,
 113                .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 114                .depth    = 16,
 115                .flags    = FORMAT_FLAGS_PACKED,
 116        },{
 117                .name     = "24 bpp RGB, le",
 118                .fourcc   = V4L2_PIX_FMT_BGR24,
 119                .cxformat = ColorFormatRGB24,
 120                .depth    = 24,
 121                .flags    = FORMAT_FLAGS_PACKED,
 122        },{
 123                .name     = "32 bpp RGB, le",
 124                .fourcc   = V4L2_PIX_FMT_BGR32,
 125                .cxformat = ColorFormatRGB32,
 126                .depth    = 32,
 127                .flags    = FORMAT_FLAGS_PACKED,
 128        },{
 129                .name     = "32 bpp RGB, be",
 130                .fourcc   = V4L2_PIX_FMT_RGB32,
 131                .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 132                .depth    = 32,
 133                .flags    = FORMAT_FLAGS_PACKED,
 134        },{
 135                .name     = "4:2:2, packed, YUYV",
 136                .fourcc   = V4L2_PIX_FMT_YUYV,
 137                .cxformat = ColorFormatYUY2,
 138                .depth    = 16,
 139                .flags    = FORMAT_FLAGS_PACKED,
 140        },{
 141                .name     = "4:2:2, packed, UYVY",
 142                .fourcc   = V4L2_PIX_FMT_UYVY,
 143                .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 144                .depth    = 16,
 145                .flags    = FORMAT_FLAGS_PACKED,
 146        },
 147};
 148
 149static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 150{
 151        unsigned int i;
 152
 153        for (i = 0; i < ARRAY_SIZE(formats); i++)
 154                if (formats[i].fourcc == fourcc)
 155                        return formats+i;
 156        return NULL;
 157}
 158
 159/* ------------------------------------------------------------------- */
 160
 161static const struct v4l2_queryctrl no_ctl = {
 162        .name  = "42",
 163        .flags = V4L2_CTRL_FLAG_DISABLED,
 164};
 165
 166static struct cx88_ctrl cx8800_ctls[] = {
 167        /* --- video --- */
 168        {
 169                .v = {
 170                        .id            = V4L2_CID_BRIGHTNESS,
 171                        .name          = "Brightness",
 172                        .minimum       = 0x00,
 173                        .maximum       = 0xff,
 174                        .step          = 1,
 175                        .default_value = 0x7f,
 176                        .type          = V4L2_CTRL_TYPE_INTEGER,
 177                },
 178                .off                   = 128,
 179                .reg                   = MO_CONTR_BRIGHT,
 180                .mask                  = 0x00ff,
 181                .shift                 = 0,
 182        },{
 183                .v = {
 184                        .id            = V4L2_CID_CONTRAST,
 185                        .name          = "Contrast",
 186                        .minimum       = 0,
 187                        .maximum       = 0xff,
 188                        .step          = 1,
 189                        .default_value = 0x3f,
 190                        .type          = V4L2_CTRL_TYPE_INTEGER,
 191                },
 192                .off                   = 0,
 193                .reg                   = MO_CONTR_BRIGHT,
 194                .mask                  = 0xff00,
 195                .shift                 = 8,
 196        },{
 197                .v = {
 198                        .id            = V4L2_CID_HUE,
 199                        .name          = "Hue",
 200                        .minimum       = 0,
 201                        .maximum       = 0xff,
 202                        .step          = 1,
 203                        .default_value = 0x7f,
 204                        .type          = V4L2_CTRL_TYPE_INTEGER,
 205                },
 206                .off                   = 128,
 207                .reg                   = MO_HUE,
 208                .mask                  = 0x00ff,
 209                .shift                 = 0,
 210        },{
 211                /* strictly, this only describes only U saturation.
 212                 * V saturation is handled specially through code.
 213                 */
 214                .v = {
 215                        .id            = V4L2_CID_SATURATION,
 216                        .name          = "Saturation",
 217                        .minimum       = 0,
 218                        .maximum       = 0xff,
 219                        .step          = 1,
 220                        .default_value = 0x7f,
 221                        .type          = V4L2_CTRL_TYPE_INTEGER,
 222                },
 223                .off                   = 0,
 224                .reg                   = MO_UV_SATURATION,
 225                .mask                  = 0x00ff,
 226                .shift                 = 0,
 227        },{
 228                .v = {
 229                        .id            = V4L2_CID_CHROMA_AGC,
 230                        .name          = "Chroma AGC",
 231                        .minimum       = 0,
 232                        .maximum       = 1,
 233                        .default_value = 0x1,
 234                        .type          = V4L2_CTRL_TYPE_BOOLEAN,
 235                },
 236                .reg                   = MO_INPUT_FORMAT,
 237                .mask                  = 1 << 10,
 238                .shift                 = 10,
 239        }, {
 240                .v = {
 241                        .id            = V4L2_CID_COLOR_KILLER,
 242                        .name          = "Color killer",
 243                        .minimum       = 0,
 244                        .maximum       = 1,
 245                        .default_value = 0x1,
 246                        .type          = V4L2_CTRL_TYPE_BOOLEAN,
 247                },
 248                .reg                   = MO_INPUT_FORMAT,
 249                .mask                  = 1 << 9,
 250                .shift                 = 9,
 251        }, {
 252        /* --- audio --- */
 253                .v = {
 254                        .id            = V4L2_CID_AUDIO_MUTE,
 255                        .name          = "Mute",
 256                        .minimum       = 0,
 257                        .maximum       = 1,
 258                        .default_value = 1,
 259                        .type          = V4L2_CTRL_TYPE_BOOLEAN,
 260                },
 261                .reg                   = AUD_VOL_CTL,
 262                .sreg                  = SHADOW_AUD_VOL_CTL,
 263                .mask                  = (1 << 6),
 264                .shift                 = 6,
 265        },{
 266                .v = {
 267                        .id            = V4L2_CID_AUDIO_VOLUME,
 268                        .name          = "Volume",
 269                        .minimum       = 0,
 270                        .maximum       = 0x3f,
 271                        .step          = 1,
 272                        .default_value = 0x3f,
 273                        .type          = V4L2_CTRL_TYPE_INTEGER,
 274                },
 275                .reg                   = AUD_VOL_CTL,
 276                .sreg                  = SHADOW_AUD_VOL_CTL,
 277                .mask                  = 0x3f,
 278                .shift                 = 0,
 279        },{
 280                .v = {
 281                        .id            = V4L2_CID_AUDIO_BALANCE,
 282                        .name          = "Balance",
 283                        .minimum       = 0,
 284                        .maximum       = 0x7f,
 285                        .step          = 1,
 286                        .default_value = 0x40,
 287                        .type          = V4L2_CTRL_TYPE_INTEGER,
 288                },
 289                .reg                   = AUD_BAL_CTL,
 290                .sreg                  = SHADOW_AUD_BAL_CTL,
 291                .mask                  = 0x7f,
 292                .shift                 = 0,
 293        }
 294};
 295static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 296
 297/* Must be sorted from low to high control ID! */
 298const u32 cx88_user_ctrls[] = {
 299        V4L2_CID_USER_CLASS,
 300        V4L2_CID_BRIGHTNESS,
 301        V4L2_CID_CONTRAST,
 302        V4L2_CID_SATURATION,
 303        V4L2_CID_HUE,
 304        V4L2_CID_AUDIO_VOLUME,
 305        V4L2_CID_AUDIO_BALANCE,
 306        V4L2_CID_AUDIO_MUTE,
 307        V4L2_CID_CHROMA_AGC,
 308        V4L2_CID_COLOR_KILLER,
 309        0
 310};
 311EXPORT_SYMBOL(cx88_user_ctrls);
 312
 313static const u32 *ctrl_classes[] = {
 314        cx88_user_ctrls,
 315        NULL
 316};
 317
 318int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 319{
 320        int i;
 321
 322        if (qctrl->id < V4L2_CID_BASE ||
 323            qctrl->id >= V4L2_CID_LASTP1)
 324                return -EINVAL;
 325        for (i = 0; i < CX8800_CTLS; i++)
 326                if (cx8800_ctls[i].v.id == qctrl->id)
 327                        break;
 328        if (i == CX8800_CTLS) {
 329                *qctrl = no_ctl;
 330                return 0;
 331        }
 332        *qctrl = cx8800_ctls[i].v;
 333        /* Report chroma AGC as inactive when SECAM is selected */
 334        if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 335            core->tvnorm & V4L2_STD_SECAM)
 336                qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 337
 338        return 0;
 339}
 340EXPORT_SYMBOL(cx8800_ctrl_query);
 341
 342/* ------------------------------------------------------------------- */
 343/* resource management                                                 */
 344
 345static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 346{
 347        struct cx88_core *core = dev->core;
 348        if (fh->resources & bit)
 349                /* have it already allocated */
 350                return 1;
 351
 352        /* is it free? */
 353        mutex_lock(&core->lock);
 354        if (dev->resources & bit) {
 355                /* no, someone else uses it */
 356                mutex_unlock(&core->lock);
 357                return 0;
 358        }
 359        /* it's free, grab it */
 360        fh->resources  |= bit;
 361        dev->resources |= bit;
 362        dprintk(1,"res: get %d\n",bit);
 363        mutex_unlock(&core->lock);
 364        return 1;
 365}
 366
 367static
 368int res_check(struct cx8800_fh *fh, unsigned int bit)
 369{
 370        return (fh->resources & bit);
 371}
 372
 373static
 374int res_locked(struct cx8800_dev *dev, unsigned int bit)
 375{
 376        return (dev->resources & bit);
 377}
 378
 379static
 380void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 381{
 382        struct cx88_core *core = dev->core;
 383        BUG_ON((fh->resources & bits) != bits);
 384
 385        mutex_lock(&core->lock);
 386        fh->resources  &= ~bits;
 387        dev->resources &= ~bits;
 388        dprintk(1,"res: put %d\n",bits);
 389        mutex_unlock(&core->lock);
 390}
 391
 392/* ------------------------------------------------------------------ */
 393
 394int cx88_video_mux(struct cx88_core *core, unsigned int input)
 395{
 396        /* struct cx88_core *core = dev->core; */
 397
 398        dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 399                input, INPUT(input).vmux,
 400                INPUT(input).gpio0,INPUT(input).gpio1,
 401                INPUT(input).gpio2,INPUT(input).gpio3);
 402        core->input = input;
 403        cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 404        cx_write(MO_GP3_IO, INPUT(input).gpio3);
 405        cx_write(MO_GP0_IO, INPUT(input).gpio0);
 406        cx_write(MO_GP1_IO, INPUT(input).gpio1);
 407        cx_write(MO_GP2_IO, INPUT(input).gpio2);
 408
 409        switch (INPUT(input).type) {
 410        case CX88_VMUX_SVIDEO:
 411                cx_set(MO_AFECFG_IO,    0x00000001);
 412                cx_set(MO_INPUT_FORMAT, 0x00010010);
 413                cx_set(MO_FILTER_EVEN,  0x00002020);
 414                cx_set(MO_FILTER_ODD,   0x00002020);
 415                break;
 416        default:
 417                cx_clear(MO_AFECFG_IO,    0x00000001);
 418                cx_clear(MO_INPUT_FORMAT, 0x00010010);
 419                cx_clear(MO_FILTER_EVEN,  0x00002020);
 420                cx_clear(MO_FILTER_ODD,   0x00002020);
 421                break;
 422        }
 423
 424        /* if there are audioroutes defined, we have an external
 425           ADC to deal with audio */
 426        if (INPUT(input).audioroute) {
 427                /* The wm8775 module has the "2" route hardwired into
 428                   the initialization. Some boards may use different
 429                   routes for different inputs. HVR-1300 surely does */
 430                if (core->board.audio_chip &&
 431                    core->board.audio_chip == V4L2_IDENT_WM8775) {
 432                        call_all(core, audio, s_routing,
 433                                        INPUT(input).audioroute, 0, 0);
 434                }
 435                /* cx2388's C-ADC is connected to the tuner only.
 436                   When used with S-Video, that ADC is busy dealing with
 437                   chroma, so an external must be used for baseband audio */
 438                if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
 439                        /* "I2S ADC mode" */
 440                        core->tvaudio = WW_I2SADC;
 441                        cx88_set_tvaudio(core);
 442                } else {
 443                        /* Normal mode */
 444                        cx_write(AUD_I2SCNTL, 0x0);
 445                        cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 446                }
 447        }
 448
 449        return 0;
 450}
 451EXPORT_SYMBOL(cx88_video_mux);
 452
 453/* ------------------------------------------------------------------ */
 454
 455static int start_video_dma(struct cx8800_dev    *dev,
 456                           struct cx88_dmaqueue *q,
 457                           struct cx88_buffer   *buf)
 458{
 459        struct cx88_core *core = dev->core;
 460
 461        /* setup fifo + format */
 462        cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 463                                buf->bpl, buf->risc.dma);
 464        cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 465        cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 466
 467        /* reset counter */
 468        cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 469        q->count = 1;
 470
 471        /* enable irqs */
 472        cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 473
 474        /* Enables corresponding bits at PCI_INT_STAT:
 475                bits 0 to 4: video, audio, transport stream, VIP, Host
 476                bit 7: timer
 477                bits 8 and 9: DMA complete for: SRC, DST
 478                bits 10 and 11: BERR signal asserted for RISC: RD, WR
 479                bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 480         */
 481        cx_set(MO_VID_INTMSK, 0x0f0011);
 482
 483        /* enable capture */
 484        cx_set(VID_CAPTURE_CONTROL,0x06);
 485
 486        /* start dma */
 487        cx_set(MO_DEV_CNTRL2, (1<<5));
 488        cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 489
 490        return 0;
 491}
 492
 493#ifdef CONFIG_PM
 494static int stop_video_dma(struct cx8800_dev    *dev)
 495{
 496        struct cx88_core *core = dev->core;
 497
 498        /* stop dma */
 499        cx_clear(MO_VID_DMACNTRL, 0x11);
 500
 501        /* disable capture */
 502        cx_clear(VID_CAPTURE_CONTROL,0x06);
 503
 504        /* disable irqs */
 505        cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 506        cx_clear(MO_VID_INTMSK, 0x0f0011);
 507        return 0;
 508}
 509#endif
 510
 511static int restart_video_queue(struct cx8800_dev    *dev,
 512                               struct cx88_dmaqueue *q)
 513{
 514        struct cx88_core *core = dev->core;
 515        struct cx88_buffer *buf, *prev;
 516
 517        if (!list_empty(&q->active)) {
 518                buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 519                dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 520                        buf, buf->vb.i);
 521                start_video_dma(dev, q, buf);
 522                list_for_each_entry(buf, &q->active, vb.queue)
 523                        buf->count = q->count++;
 524                mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 525                return 0;
 526        }
 527
 528        prev = NULL;
 529        for (;;) {
 530                if (list_empty(&q->queued))
 531                        return 0;
 532                buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 533                if (NULL == prev) {
 534                        list_move_tail(&buf->vb.queue, &q->active);
 535                        start_video_dma(dev, q, buf);
 536                        buf->vb.state = VIDEOBUF_ACTIVE;
 537                        buf->count    = q->count++;
 538                        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 539                        dprintk(2,"[%p/%d] restart_queue - first active\n",
 540                                buf,buf->vb.i);
 541
 542                } else if (prev->vb.width  == buf->vb.width  &&
 543                           prev->vb.height == buf->vb.height &&
 544                           prev->fmt       == buf->fmt) {
 545                        list_move_tail(&buf->vb.queue, &q->active);
 546                        buf->vb.state = VIDEOBUF_ACTIVE;
 547                        buf->count    = q->count++;
 548                        prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 549                        dprintk(2,"[%p/%d] restart_queue - move to active\n",
 550                                buf,buf->vb.i);
 551                } else {
 552                        return 0;
 553                }
 554                prev = buf;
 555        }
 556}
 557
 558/* ------------------------------------------------------------------ */
 559
 560static int
 561buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 562{
 563        struct cx8800_fh *fh = q->priv_data;
 564
 565        *size = fh->fmt->depth*fh->width*fh->height >> 3;
 566        if (0 == *count)
 567                *count = 32;
 568        while (*size * *count > vid_limit * 1024 * 1024)
 569                (*count)--;
 570        return 0;
 571}
 572
 573static int
 574buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 575               enum v4l2_field field)
 576{
 577        struct cx8800_fh   *fh  = q->priv_data;
 578        struct cx8800_dev  *dev = fh->dev;
 579        struct cx88_core *core = dev->core;
 580        struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 581        struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 582        int rc, init_buffer = 0;
 583
 584        BUG_ON(NULL == fh->fmt);
 585        if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 586            fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 587                return -EINVAL;
 588        buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 589        if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 590                return -EINVAL;
 591
 592        if (buf->fmt       != fh->fmt    ||
 593            buf->vb.width  != fh->width  ||
 594            buf->vb.height != fh->height ||
 595            buf->vb.field  != field) {
 596                buf->fmt       = fh->fmt;
 597                buf->vb.width  = fh->width;
 598                buf->vb.height = fh->height;
 599                buf->vb.field  = field;
 600                init_buffer = 1;
 601        }
 602
 603        if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 604                init_buffer = 1;
 605                if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 606                        goto fail;
 607        }
 608
 609        if (init_buffer) {
 610                buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 611                switch (buf->vb.field) {
 612                case V4L2_FIELD_TOP:
 613                        cx88_risc_buffer(dev->pci, &buf->risc,
 614                                         dma->sglist, 0, UNSET,
 615                                         buf->bpl, 0, buf->vb.height);
 616                        break;
 617                case V4L2_FIELD_BOTTOM:
 618                        cx88_risc_buffer(dev->pci, &buf->risc,
 619                                         dma->sglist, UNSET, 0,
 620                                         buf->bpl, 0, buf->vb.height);
 621                        break;
 622                case V4L2_FIELD_INTERLACED:
 623                        cx88_risc_buffer(dev->pci, &buf->risc,
 624                                         dma->sglist, 0, buf->bpl,
 625                                         buf->bpl, buf->bpl,
 626                                         buf->vb.height >> 1);
 627                        break;
 628                case V4L2_FIELD_SEQ_TB:
 629                        cx88_risc_buffer(dev->pci, &buf->risc,
 630                                         dma->sglist,
 631                                         0, buf->bpl * (buf->vb.height >> 1),
 632                                         buf->bpl, 0,
 633                                         buf->vb.height >> 1);
 634                        break;
 635                case V4L2_FIELD_SEQ_BT:
 636                        cx88_risc_buffer(dev->pci, &buf->risc,
 637                                         dma->sglist,
 638                                         buf->bpl * (buf->vb.height >> 1), 0,
 639                                         buf->bpl, 0,
 640                                         buf->vb.height >> 1);
 641                        break;
 642                default:
 643                        BUG();
 644                }
 645        }
 646        dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 647                buf, buf->vb.i,
 648                fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 649                (unsigned long)buf->risc.dma);
 650
 651        buf->vb.state = VIDEOBUF_PREPARED;
 652        return 0;
 653
 654 fail:
 655        cx88_free_buffer(q,buf);
 656        return rc;
 657}
 658
 659static void
 660buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 661{
 662        struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 663        struct cx88_buffer    *prev;
 664        struct cx8800_fh      *fh   = vq->priv_data;
 665        struct cx8800_dev     *dev  = fh->dev;
 666        struct cx88_core      *core = dev->core;
 667        struct cx88_dmaqueue  *q    = &dev->vidq;
 668
 669        /* add jump to stopper */
 670        buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 671        buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 672
 673        if (!list_empty(&q->queued)) {
 674                list_add_tail(&buf->vb.queue,&q->queued);
 675                buf->vb.state = VIDEOBUF_QUEUED;
 676                dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 677                        buf, buf->vb.i);
 678
 679        } else if (list_empty(&q->active)) {
 680                list_add_tail(&buf->vb.queue,&q->active);
 681                start_video_dma(dev, q, buf);
 682                buf->vb.state = VIDEOBUF_ACTIVE;
 683                buf->count    = q->count++;
 684                mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 685                dprintk(2,"[%p/%d] buffer_queue - first active\n",
 686                        buf, buf->vb.i);
 687
 688        } else {
 689                prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 690                if (prev->vb.width  == buf->vb.width  &&
 691                    prev->vb.height == buf->vb.height &&
 692                    prev->fmt       == buf->fmt) {
 693                        list_add_tail(&buf->vb.queue,&q->active);
 694                        buf->vb.state = VIDEOBUF_ACTIVE;
 695                        buf->count    = q->count++;
 696                        prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 697                        dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 698                                buf, buf->vb.i);
 699
 700                } else {
 701                        list_add_tail(&buf->vb.queue,&q->queued);
 702                        buf->vb.state = VIDEOBUF_QUEUED;
 703                        dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 704                                buf, buf->vb.i);
 705                }
 706        }
 707}
 708
 709static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 710{
 711        struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 712
 713        cx88_free_buffer(q,buf);
 714}
 715
 716static struct videobuf_queue_ops cx8800_video_qops = {
 717        .buf_setup    = buffer_setup,
 718        .buf_prepare  = buffer_prepare,
 719        .buf_queue    = buffer_queue,
 720        .buf_release  = buffer_release,
 721};
 722
 723/* ------------------------------------------------------------------ */
 724
 725
 726/* ------------------------------------------------------------------ */
 727
 728static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 729{
 730        switch (fh->type) {
 731        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 732                return &fh->vidq;
 733        case V4L2_BUF_TYPE_VBI_CAPTURE:
 734                return &fh->vbiq;
 735        default:
 736                BUG();
 737                return NULL;
 738        }
 739}
 740
 741static int get_ressource(struct cx8800_fh *fh)
 742{
 743        switch (fh->type) {
 744        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 745                return RESOURCE_VIDEO;
 746        case V4L2_BUF_TYPE_VBI_CAPTURE:
 747                return RESOURCE_VBI;
 748        default:
 749                BUG();
 750                return 0;
 751        }
 752}
 753
 754static int video_open(struct file *file)
 755{
 756        int minor = video_devdata(file)->minor;
 757        struct cx8800_dev *h,*dev = NULL;
 758        struct cx88_core *core;
 759        struct cx8800_fh *fh;
 760        enum v4l2_buf_type type = 0;
 761        int radio = 0;
 762
 763        lock_kernel();
 764        list_for_each_entry(h, &cx8800_devlist, devlist) {
 765                if (h->video_dev->minor == minor) {
 766                        dev  = h;
 767                        type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 768                }
 769                if (h->vbi_dev->minor == minor) {
 770                        dev  = h;
 771                        type = V4L2_BUF_TYPE_VBI_CAPTURE;
 772                }
 773                if (h->radio_dev &&
 774                    h->radio_dev->minor == minor) {
 775                        radio = 1;
 776                        dev   = h;
 777                }
 778        }
 779        if (NULL == dev) {
 780                unlock_kernel();
 781                return -ENODEV;
 782        }
 783
 784        core = dev->core;
 785
 786        dprintk(1,"open minor=%d radio=%d type=%s\n",
 787                minor,radio,v4l2_type_names[type]);
 788
 789        /* allocate + initialize per filehandle data */
 790        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 791        if (NULL == fh) {
 792                unlock_kernel();
 793                return -ENOMEM;
 794        }
 795        file->private_data = fh;
 796        fh->dev      = dev;
 797        fh->radio    = radio;
 798        fh->type     = type;
 799        fh->width    = 320;
 800        fh->height   = 240;
 801        fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 802
 803        videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 804                            &dev->pci->dev, &dev->slock,
 805                            V4L2_BUF_TYPE_VIDEO_CAPTURE,
 806                            V4L2_FIELD_INTERLACED,
 807                            sizeof(struct cx88_buffer),
 808                            fh);
 809        videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 810                            &dev->pci->dev, &dev->slock,
 811                            V4L2_BUF_TYPE_VBI_CAPTURE,
 812                            V4L2_FIELD_SEQ_TB,
 813                            sizeof(struct cx88_buffer),
 814                            fh);
 815
 816        if (fh->radio) {
 817                dprintk(1,"video_open: setting radio device\n");
 818                cx_write(MO_GP3_IO, core->board.radio.gpio3);
 819                cx_write(MO_GP0_IO, core->board.radio.gpio0);
 820                cx_write(MO_GP1_IO, core->board.radio.gpio1);
 821                cx_write(MO_GP2_IO, core->board.radio.gpio2);
 822                if (core->board.radio.audioroute) {
 823                        if(core->board.audio_chip &&
 824                                core->board.audio_chip == V4L2_IDENT_WM8775) {
 825                                call_all(core, audio, s_routing,
 826                                        core->board.radio.audioroute, 0, 0);
 827                        }
 828                        /* "I2S ADC mode" */
 829                        core->tvaudio = WW_I2SADC;
 830                        cx88_set_tvaudio(core);
 831                } else {
 832                        /* FM Mode */
 833                        core->tvaudio = WW_FM;
 834                        cx88_set_tvaudio(core);
 835                        cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 836                }
 837                call_all(core, tuner, s_radio);
 838        }
 839        unlock_kernel();
 840
 841        atomic_inc(&core->users);
 842
 843        return 0;
 844}
 845
 846static ssize_t
 847video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 848{
 849        struct cx8800_fh *fh = file->private_data;
 850
 851        switch (fh->type) {
 852        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 853                if (res_locked(fh->dev,RESOURCE_VIDEO))
 854                        return -EBUSY;
 855                return videobuf_read_one(&fh->vidq, data, count, ppos,
 856                                         file->f_flags & O_NONBLOCK);
 857        case V4L2_BUF_TYPE_VBI_CAPTURE:
 858                if (!res_get(fh->dev,fh,RESOURCE_VBI))
 859                        return -EBUSY;
 860                return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 861                                            file->f_flags & O_NONBLOCK);
 862        default:
 863                BUG();
 864                return 0;
 865        }
 866}
 867
 868static unsigned int
 869video_poll(struct file *file, struct poll_table_struct *wait)
 870{
 871        struct cx8800_fh *fh = file->private_data;
 872        struct cx88_buffer *buf;
 873        unsigned int rc = POLLERR;
 874
 875        if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 876                if (!res_get(fh->dev,fh,RESOURCE_VBI))
 877                        return POLLERR;
 878                return videobuf_poll_stream(file, &fh->vbiq, wait);
 879        }
 880
 881        mutex_lock(&fh->vidq.vb_lock);
 882        if (res_check(fh,RESOURCE_VIDEO)) {
 883                /* streaming capture */
 884                if (list_empty(&fh->vidq.stream))
 885                        goto done;
 886                buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 887        } else {
 888                /* read() capture */
 889                buf = (struct cx88_buffer*)fh->vidq.read_buf;
 890                if (NULL == buf)
 891                        goto done;
 892        }
 893        poll_wait(file, &buf->vb.done, wait);
 894        if (buf->vb.state == VIDEOBUF_DONE ||
 895            buf->vb.state == VIDEOBUF_ERROR)
 896                rc = POLLIN|POLLRDNORM;
 897        else
 898                rc = 0;
 899done:
 900        mutex_unlock(&fh->vidq.vb_lock);
 901        return rc;
 902}
 903
 904static int video_release(struct file *file)
 905{
 906        struct cx8800_fh  *fh  = file->private_data;
 907        struct cx8800_dev *dev = fh->dev;
 908
 909        /* turn off overlay */
 910        if (res_check(fh, RESOURCE_OVERLAY)) {
 911                /* FIXME */
 912                res_free(dev,fh,RESOURCE_OVERLAY);
 913        }
 914
 915        /* stop video capture */
 916        if (res_check(fh, RESOURCE_VIDEO)) {
 917                videobuf_queue_cancel(&fh->vidq);
 918                res_free(dev,fh,RESOURCE_VIDEO);
 919        }
 920        if (fh->vidq.read_buf) {
 921                buffer_release(&fh->vidq,fh->vidq.read_buf);
 922                kfree(fh->vidq.read_buf);
 923        }
 924
 925        /* stop vbi capture */
 926        if (res_check(fh, RESOURCE_VBI)) {
 927                videobuf_stop(&fh->vbiq);
 928                res_free(dev,fh,RESOURCE_VBI);
 929        }
 930
 931        videobuf_mmap_free(&fh->vidq);
 932        videobuf_mmap_free(&fh->vbiq);
 933        file->private_data = NULL;
 934        kfree(fh);
 935
 936        mutex_lock(&dev->core->lock);
 937        if(atomic_dec_and_test(&dev->core->users))
 938                call_all(dev->core, tuner, s_standby);
 939        mutex_unlock(&dev->core->lock);
 940
 941        return 0;
 942}
 943
 944static int
 945video_mmap(struct file *file, struct vm_area_struct * vma)
 946{
 947        struct cx8800_fh *fh = file->private_data;
 948
 949        return videobuf_mmap_mapper(get_queue(fh), vma);
 950}
 951
 952/* ------------------------------------------------------------------ */
 953/* VIDEO CTRL IOCTLS                                                  */
 954
 955int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 956{
 957        struct cx88_ctrl  *c    = NULL;
 958        u32 value;
 959        int i;
 960
 961        for (i = 0; i < CX8800_CTLS; i++)
 962                if (cx8800_ctls[i].v.id == ctl->id)
 963                        c = &cx8800_ctls[i];
 964        if (unlikely(NULL == c))
 965                return -EINVAL;
 966
 967        value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 968        switch (ctl->id) {
 969        case V4L2_CID_AUDIO_BALANCE:
 970                ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 971                                        : (0x7f - (value & 0x7f));
 972                break;
 973        case V4L2_CID_AUDIO_VOLUME:
 974                ctl->value = 0x3f - (value & 0x3f);
 975                break;
 976        default:
 977                ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 978                break;
 979        }
 980        dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 981                                ctl->id, c->v.name, ctl->value, c->reg,
 982                                value,c->mask, c->sreg ? " [shadowed]" : "");
 983        return 0;
 984}
 985EXPORT_SYMBOL(cx88_get_control);
 986
 987int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 988{
 989        struct cx88_ctrl *c = NULL;
 990        u32 value,mask;
 991        int i;
 992
 993        for (i = 0; i < CX8800_CTLS; i++) {
 994                if (cx8800_ctls[i].v.id == ctl->id) {
 995                        c = &cx8800_ctls[i];
 996                }
 997        }
 998        if (unlikely(NULL == c))
 999                return -EINVAL;
1000
1001        if (ctl->value < c->v.minimum)
1002                ctl->value = c->v.minimum;
1003        if (ctl->value > c->v.maximum)
1004                ctl->value = c->v.maximum;
1005        mask=c->mask;
1006        switch (ctl->id) {
1007        case V4L2_CID_AUDIO_BALANCE:
1008                value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1009                break;
1010        case V4L2_CID_AUDIO_VOLUME:
1011                value = 0x3f - (ctl->value & 0x3f);
1012                break;
1013        case V4L2_CID_SATURATION:
1014                /* special v_sat handling */
1015
1016                value = ((ctl->value - c->off) << c->shift) & c->mask;
1017
1018                if (core->tvnorm & V4L2_STD_SECAM) {
1019                        /* For SECAM, both U and V sat should be equal */
1020                        value=value<<8|value;
1021                } else {
1022                        /* Keeps U Saturation proportional to V Sat */
1023                        value=(value*0x5a)/0x7f<<8|value;
1024                }
1025                mask=0xffff;
1026                break;
1027        case V4L2_CID_CHROMA_AGC:
1028                /* Do not allow chroma AGC to be enabled for SECAM */
1029                value = ((ctl->value - c->off) << c->shift) & c->mask;
1030                if (core->tvnorm & V4L2_STD_SECAM && value)
1031                        return -EINVAL;
1032                break;
1033        default:
1034                value = ((ctl->value - c->off) << c->shift) & c->mask;
1035                break;
1036        }
1037        dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1038                                ctl->id, c->v.name, ctl->value, c->reg, value,
1039                                mask, c->sreg ? " [shadowed]" : "");
1040        if (c->sreg) {
1041                cx_sandor(c->sreg, c->reg, mask, value);
1042        } else {
1043                cx_andor(c->reg, mask, value);
1044        }
1045        return 0;
1046}
1047EXPORT_SYMBOL(cx88_set_control);
1048
1049static void init_controls(struct cx88_core *core)
1050{
1051        struct v4l2_control ctrl;
1052        int i;
1053
1054        for (i = 0; i < CX8800_CTLS; i++) {
1055                ctrl.id=cx8800_ctls[i].v.id;
1056                ctrl.value=cx8800_ctls[i].v.default_value;
1057
1058                cx88_set_control(core, &ctrl);
1059        }
1060}
1061
1062/* ------------------------------------------------------------------ */
1063/* VIDEO IOCTLS                                                       */
1064
1065static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1066                                        struct v4l2_format *f)
1067{
1068        struct cx8800_fh  *fh   = priv;
1069
1070        f->fmt.pix.width        = fh->width;
1071        f->fmt.pix.height       = fh->height;
1072        f->fmt.pix.field        = fh->vidq.field;
1073        f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1074        f->fmt.pix.bytesperline =
1075                (f->fmt.pix.width * fh->fmt->depth) >> 3;
1076        f->fmt.pix.sizeimage =
1077                f->fmt.pix.height * f->fmt.pix.bytesperline;
1078        return 0;
1079}
1080
1081static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1082                        struct v4l2_format *f)
1083{
1084        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1085        struct cx8800_fmt *fmt;
1086        enum v4l2_field   field;
1087        unsigned int      maxw, maxh;
1088
1089        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1090        if (NULL == fmt)
1091                return -EINVAL;
1092
1093        field = f->fmt.pix.field;
1094        maxw  = norm_maxw(core->tvnorm);
1095        maxh  = norm_maxh(core->tvnorm);
1096
1097        if (V4L2_FIELD_ANY == field) {
1098                field = (f->fmt.pix.height > maxh/2)
1099                        ? V4L2_FIELD_INTERLACED
1100                        : V4L2_FIELD_BOTTOM;
1101        }
1102
1103        switch (field) {
1104        case V4L2_FIELD_TOP:
1105        case V4L2_FIELD_BOTTOM:
1106                maxh = maxh / 2;
1107                break;
1108        case V4L2_FIELD_INTERLACED:
1109                break;
1110        default:
1111                return -EINVAL;
1112        }
1113
1114        f->fmt.pix.field = field;
1115        v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1116                              &f->fmt.pix.height, 32, maxh, 0, 0);
1117        f->fmt.pix.bytesperline =
1118                (f->fmt.pix.width * fmt->depth) >> 3;
1119        f->fmt.pix.sizeimage =
1120                f->fmt.pix.height * f->fmt.pix.bytesperline;
1121
1122        return 0;
1123}
1124
1125static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1126                                        struct v4l2_format *f)
1127{
1128        struct cx8800_fh  *fh   = priv;
1129        int err = vidioc_try_fmt_vid_cap (file,priv,f);
1130
1131        if (0 != err)
1132                return err;
1133        fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1134        fh->width      = f->fmt.pix.width;
1135        fh->height     = f->fmt.pix.height;
1136        fh->vidq.field = f->fmt.pix.field;
1137        return 0;
1138}
1139
1140static int vidioc_querycap (struct file *file, void  *priv,
1141                                        struct v4l2_capability *cap)
1142{
1143        struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1144        struct cx88_core  *core = dev->core;
1145
1146        strcpy(cap->driver, "cx8800");
1147        strlcpy(cap->card, core->board.name, sizeof(cap->card));
1148        sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1149        cap->version = CX88_VERSION_CODE;
1150        cap->capabilities =
1151                V4L2_CAP_VIDEO_CAPTURE |
1152                V4L2_CAP_READWRITE     |
1153                V4L2_CAP_STREAMING     |
1154                V4L2_CAP_VBI_CAPTURE;
1155        if (UNSET != core->board.tuner_type)
1156                cap->capabilities |= V4L2_CAP_TUNER;
1157        return 0;
1158}
1159
1160static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1161                                        struct v4l2_fmtdesc *f)
1162{
1163        if (unlikely(f->index >= ARRAY_SIZE(formats)))
1164                return -EINVAL;
1165
1166        strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1167        f->pixelformat = formats[f->index].fourcc;
1168
1169        return 0;
1170}
1171
1172#ifdef CONFIG_VIDEO_V4L1_COMPAT
1173static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1174{
1175        struct cx8800_fh           *fh  = priv;
1176
1177        return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1178}
1179#endif
1180
1181static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1182{
1183        struct cx8800_fh  *fh   = priv;
1184        return (videobuf_reqbufs(get_queue(fh), p));
1185}
1186
1187static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1188{
1189        struct cx8800_fh  *fh   = priv;
1190        return (videobuf_querybuf(get_queue(fh), p));
1191}
1192
1193static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1194{
1195        struct cx8800_fh  *fh   = priv;
1196        return (videobuf_qbuf(get_queue(fh), p));
1197}
1198
1199static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1200{
1201        struct cx8800_fh  *fh   = priv;
1202        return (videobuf_dqbuf(get_queue(fh), p,
1203                                file->f_flags & O_NONBLOCK));
1204}
1205
1206static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1207{
1208        struct cx8800_fh  *fh   = priv;
1209        struct cx8800_dev *dev  = fh->dev;
1210
1211        /* We should remember that this driver also supports teletext,  */
1212        /* so we have to test if the v4l2_buf_type is VBI capture data. */
1213        if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1214                     (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1215                return -EINVAL;
1216
1217        if (unlikely(i != fh->type))
1218                return -EINVAL;
1219
1220        if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1221                return -EBUSY;
1222        return videobuf_streamon(get_queue(fh));
1223}
1224
1225static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1226{
1227        struct cx8800_fh  *fh   = priv;
1228        struct cx8800_dev *dev  = fh->dev;
1229        int               err, res;
1230
1231        if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1232            (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1233                return -EINVAL;
1234
1235        if (i != fh->type)
1236                return -EINVAL;
1237
1238        res = get_ressource(fh);
1239        err = videobuf_streamoff(get_queue(fh));
1240        if (err < 0)
1241                return err;
1242        res_free(dev,fh,res);
1243        return 0;
1244}
1245
1246static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1247{
1248        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1249
1250        mutex_lock(&core->lock);
1251        cx88_set_tvnorm(core,*tvnorms);
1252        mutex_unlock(&core->lock);
1253
1254        return 0;
1255}
1256
1257/* only one input in this sample driver */
1258int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1259{
1260        static const char *iname[] = {
1261                [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1262                [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1263                [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1264                [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1265                [ CX88_VMUX_SVIDEO     ] = "S-Video",
1266                [ CX88_VMUX_TELEVISION ] = "Television",
1267                [ CX88_VMUX_CABLE      ] = "Cable TV",
1268                [ CX88_VMUX_DVB        ] = "DVB",
1269                [ CX88_VMUX_DEBUG      ] = "for debug only",
1270        };
1271        unsigned int n = i->index;
1272
1273        if (n >= 4)
1274                return -EINVAL;
1275        if (0 == INPUT(n).type)
1276                return -EINVAL;
1277        i->type  = V4L2_INPUT_TYPE_CAMERA;
1278        strcpy(i->name,iname[INPUT(n).type]);
1279        if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1280            (CX88_VMUX_CABLE      == INPUT(n).type))
1281                i->type = V4L2_INPUT_TYPE_TUNER;
1282                i->std = CX88_NORMS;
1283        return 0;
1284}
1285EXPORT_SYMBOL(cx88_enum_input);
1286
1287static int vidioc_enum_input (struct file *file, void *priv,
1288                                struct v4l2_input *i)
1289{
1290        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1291        return cx88_enum_input (core,i);
1292}
1293
1294static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1295{
1296        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1297
1298        *i = core->input;
1299        return 0;
1300}
1301
1302static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1303{
1304        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1305
1306        if (i >= 4)
1307                return -EINVAL;
1308
1309        mutex_lock(&core->lock);
1310        cx88_newstation(core);
1311        cx88_video_mux(core,i);
1312        mutex_unlock(&core->lock);
1313        return 0;
1314}
1315
1316
1317
1318static int vidioc_queryctrl (struct file *file, void *priv,
1319                                struct v4l2_queryctrl *qctrl)
1320{
1321        struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1322
1323        qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1324        if (unlikely(qctrl->id == 0))
1325                return -EINVAL;
1326        return cx8800_ctrl_query(core, qctrl);
1327}
1328
1329static int vidioc_g_ctrl (struct file *file, void *priv,
1330                                struct v4l2_control *ctl)
1331{
1332        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1333        return
1334                cx88_get_control(core,ctl);
1335}
1336
1337static int vidioc_s_ctrl (struct file *file, void *priv,
1338                                struct v4l2_control *ctl)
1339{
1340        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1341        return
1342                cx88_set_control(core,ctl);
1343}
1344
1345static int vidioc_g_tuner (struct file *file, void *priv,
1346                                struct v4l2_tuner *t)
1347{
1348        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1349        u32 reg;
1350
1351        if (unlikely(UNSET == core->board.tuner_type))
1352                return -EINVAL;
1353        if (0 != t->index)
1354                return -EINVAL;
1355
1356        strcpy(t->name, "Television");
1357        t->type       = V4L2_TUNER_ANALOG_TV;
1358        t->capability = V4L2_TUNER_CAP_NORM;
1359        t->rangehigh  = 0xffffffffUL;
1360
1361        cx88_get_stereo(core ,t);
1362        reg = cx_read(MO_DEVICE_STATUS);
1363        t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1364        return 0;
1365}
1366
1367static int vidioc_s_tuner (struct file *file, void *priv,
1368                                struct v4l2_tuner *t)
1369{
1370        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1371
1372        if (UNSET == core->board.tuner_type)
1373                return -EINVAL;
1374        if (0 != t->index)
1375                return -EINVAL;
1376
1377        cx88_set_stereo(core, t->audmode, 1);
1378        return 0;
1379}
1380
1381static int vidioc_g_frequency (struct file *file, void *priv,
1382                                struct v4l2_frequency *f)
1383{
1384        struct cx8800_fh  *fh   = priv;
1385        struct cx88_core  *core = fh->dev->core;
1386
1387        if (unlikely(UNSET == core->board.tuner_type))
1388                return -EINVAL;
1389
1390        /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1391        f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1392        f->frequency = core->freq;
1393
1394        call_all(core, tuner, g_frequency, f);
1395
1396        return 0;
1397}
1398
1399int cx88_set_freq (struct cx88_core  *core,
1400                                struct v4l2_frequency *f)
1401{
1402        if (unlikely(UNSET == core->board.tuner_type))
1403                return -EINVAL;
1404        if (unlikely(f->tuner != 0))
1405                return -EINVAL;
1406
1407        mutex_lock(&core->lock);
1408        core->freq = f->frequency;
1409        cx88_newstation(core);
1410        call_all(core, tuner, s_frequency, f);
1411
1412        /* When changing channels it is required to reset TVAUDIO */
1413        msleep (10);
1414        cx88_set_tvaudio(core);
1415
1416        mutex_unlock(&core->lock);
1417
1418        return 0;
1419}
1420EXPORT_SYMBOL(cx88_set_freq);
1421
1422static int vidioc_s_frequency (struct file *file, void *priv,
1423                                struct v4l2_frequency *f)
1424{
1425        struct cx8800_fh  *fh   = priv;
1426        struct cx88_core  *core = fh->dev->core;
1427
1428        if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1429                return -EINVAL;
1430        if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1431                return -EINVAL;
1432
1433        return
1434                cx88_set_freq (core,f);
1435}
1436
1437#ifdef CONFIG_VIDEO_ADV_DEBUG
1438static int vidioc_g_register (struct file *file, void *fh,
1439                                struct v4l2_dbg_register *reg)
1440{
1441        struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1442
1443        if (!v4l2_chip_match_host(&reg->match))
1444                return -EINVAL;
1445        /* cx2388x has a 24-bit register space */
1446        reg->val = cx_read(reg->reg & 0xffffff);
1447        reg->size = 4;
1448        return 0;
1449}
1450
1451static int vidioc_s_register (struct file *file, void *fh,
1452                                struct v4l2_dbg_register *reg)
1453{
1454        struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1455
1456        if (!v4l2_chip_match_host(&reg->match))
1457                return -EINVAL;
1458        cx_write(reg->reg & 0xffffff, reg->val);
1459        return 0;
1460}
1461#endif
1462
1463/* ----------------------------------------------------------- */
1464/* RADIO ESPECIFIC IOCTLS                                      */
1465/* ----------------------------------------------------------- */
1466
1467static int radio_querycap (struct file *file, void  *priv,
1468                                        struct v4l2_capability *cap)
1469{
1470        struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1471        struct cx88_core  *core = dev->core;
1472
1473        strcpy(cap->driver, "cx8800");
1474        strlcpy(cap->card, core->board.name, sizeof(cap->card));
1475        sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1476        cap->version = CX88_VERSION_CODE;
1477        cap->capabilities = V4L2_CAP_TUNER;
1478        return 0;
1479}
1480
1481static int radio_g_tuner (struct file *file, void *priv,
1482                                struct v4l2_tuner *t)
1483{
1484        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1485
1486        if (unlikely(t->index > 0))
1487                return -EINVAL;
1488
1489        strcpy(t->name, "Radio");
1490        t->type = V4L2_TUNER_RADIO;
1491
1492        call_all(core, tuner, g_tuner, t);
1493        return 0;
1494}
1495
1496static int radio_enum_input (struct file *file, void *priv,
1497                                struct v4l2_input *i)
1498{
1499        if (i->index != 0)
1500                return -EINVAL;
1501        strcpy(i->name,"Radio");
1502        i->type = V4L2_INPUT_TYPE_TUNER;
1503
1504        return 0;
1505}
1506
1507static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1508{
1509        if (unlikely(a->index))
1510                return -EINVAL;
1511
1512        strcpy(a->name,"Radio");
1513        return 0;
1514}
1515
1516/* FIXME: Should add a standard for radio */
1517
1518static int radio_s_tuner (struct file *file, void *priv,
1519                                struct v4l2_tuner *t)
1520{
1521        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1522
1523        if (0 != t->index)
1524                return -EINVAL;
1525
1526        call_all(core, tuner, s_tuner, t);
1527
1528        return 0;
1529}
1530
1531static int radio_s_audio (struct file *file, void *fh,
1532                          struct v4l2_audio *a)
1533{
1534        return 0;
1535}
1536
1537static int radio_s_input (struct file *file, void *fh, unsigned int i)
1538{
1539        return 0;
1540}
1541
1542static int radio_queryctrl (struct file *file, void *priv,
1543                            struct v4l2_queryctrl *c)
1544{
1545        int i;
1546
1547        if (c->id <  V4L2_CID_BASE ||
1548                c->id >= V4L2_CID_LASTP1)
1549                return -EINVAL;
1550        if (c->id == V4L2_CID_AUDIO_MUTE) {
1551                for (i = 0; i < CX8800_CTLS; i++)
1552                        if (cx8800_ctls[i].v.id == c->id)
1553                                break;
1554                *c = cx8800_ctls[i].v;
1555        } else
1556                *c = no_ctl;
1557        return 0;
1558}
1559
1560/* ----------------------------------------------------------- */
1561
1562static void cx8800_vid_timeout(unsigned long data)
1563{
1564        struct cx8800_dev *dev = (struct cx8800_dev*)data;
1565        struct cx88_core *core = dev->core;
1566        struct cx88_dmaqueue *q = &dev->vidq;
1567        struct cx88_buffer *buf;
1568        unsigned long flags;
1569
1570        cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1571
1572        cx_clear(MO_VID_DMACNTRL, 0x11);
1573        cx_clear(VID_CAPTURE_CONTROL, 0x06);
1574
1575        spin_lock_irqsave(&dev->slock,flags);
1576        while (!list_empty(&q->active)) {
1577                buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1578                list_del(&buf->vb.queue);
1579                buf->vb.state = VIDEOBUF_ERROR;
1580                wake_up(&buf->vb.done);
1581                printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1582                       buf, buf->vb.i, (unsigned long)buf->risc.dma);
1583        }
1584        restart_video_queue(dev,q);
1585        spin_unlock_irqrestore(&dev->slock,flags);
1586}
1587
1588static char *cx88_vid_irqs[32] = {
1589        "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1590        "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1591        "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1592        "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1593        "opc_err",  "par_err",  "rip_err",  "pci_abort",
1594};
1595
1596static void cx8800_vid_irq(struct cx8800_dev *dev)
1597{
1598        struct cx88_core *core = dev->core;
1599        u32 status, mask, count;
1600
1601        status = cx_read(MO_VID_INTSTAT);
1602        mask   = cx_read(MO_VID_INTMSK);
1603        if (0 == (status & mask))
1604                return;
1605        cx_write(MO_VID_INTSTAT, status);
1606        if (irq_debug  ||  (status & mask & ~0xff))
1607                cx88_print_irqbits(core->name, "irq vid",
1608                                   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1609                                   status, mask);
1610
1611        /* risc op code error */
1612        if (status & (1 << 16)) {
1613                printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1614                cx_clear(MO_VID_DMACNTRL, 0x11);
1615                cx_clear(VID_CAPTURE_CONTROL, 0x06);
1616                cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1617        }
1618
1619        /* risc1 y */
1620        if (status & 0x01) {
1621                spin_lock(&dev->slock);
1622                count = cx_read(MO_VIDY_GPCNT);
1623                cx88_wakeup(core, &dev->vidq, count);
1624                spin_unlock(&dev->slock);
1625        }
1626
1627        /* risc1 vbi */
1628        if (status & 0x08) {
1629                spin_lock(&dev->slock);
1630                count = cx_read(MO_VBI_GPCNT);
1631                cx88_wakeup(core, &dev->vbiq, count);
1632                spin_unlock(&dev->slock);
1633        }
1634
1635        /* risc2 y */
1636        if (status & 0x10) {
1637                dprintk(2,"stopper video\n");
1638                spin_lock(&dev->slock);
1639                restart_video_queue(dev,&dev->vidq);
1640                spin_unlock(&dev->slock);
1641        }
1642
1643        /* risc2 vbi */
1644        if (status & 0x80) {
1645                dprintk(2,"stopper vbi\n");
1646                spin_lock(&dev->slock);
1647                cx8800_restart_vbi_queue(dev,&dev->vbiq);
1648                spin_unlock(&dev->slock);
1649        }
1650}
1651
1652static irqreturn_t cx8800_irq(int irq, void *dev_id)
1653{
1654        struct cx8800_dev *dev = dev_id;
1655        struct cx88_core *core = dev->core;
1656        u32 status;
1657        int loop, handled = 0;
1658
1659        for (loop = 0; loop < 10; loop++) {
1660                status = cx_read(MO_PCI_INTSTAT) &
1661                        (core->pci_irqmask | PCI_INT_VIDINT);
1662                if (0 == status)
1663                        goto out;
1664                cx_write(MO_PCI_INTSTAT, status);
1665                handled = 1;
1666
1667                if (status & core->pci_irqmask)
1668                        cx88_core_irq(core,status);
1669                if (status & PCI_INT_VIDINT)
1670                        cx8800_vid_irq(dev);
1671        };
1672        if (10 == loop) {
1673                printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1674                       core->name);
1675                cx_write(MO_PCI_INTMSK,0);
1676        }
1677
1678 out:
1679        return IRQ_RETVAL(handled);
1680}
1681
1682/* ----------------------------------------------------------- */
1683/* exported stuff                                              */
1684
1685static const struct v4l2_file_operations video_fops =
1686{
1687        .owner         = THIS_MODULE,
1688        .open          = video_open,
1689        .release       = video_release,
1690        .read          = video_read,
1691        .poll          = video_poll,
1692        .mmap          = video_mmap,
1693        .ioctl         = video_ioctl2,
1694};
1695
1696static const struct v4l2_ioctl_ops video_ioctl_ops = {
1697        .vidioc_querycap      = vidioc_querycap,
1698        .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1699        .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1700        .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1701        .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1702        .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1703        .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1704        .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1705        .vidioc_reqbufs       = vidioc_reqbufs,
1706        .vidioc_querybuf      = vidioc_querybuf,
1707        .vidioc_qbuf          = vidioc_qbuf,
1708        .vidioc_dqbuf         = vidioc_dqbuf,
1709        .vidioc_s_std         = vidioc_s_std,
1710        .vidioc_enum_input    = vidioc_enum_input,
1711        .vidioc_g_input       = vidioc_g_input,
1712        .vidioc_s_input       = vidioc_s_input,
1713        .vidioc_queryctrl     = vidioc_queryctrl,
1714        .vidioc_g_ctrl        = vidioc_g_ctrl,
1715        .vidioc_s_ctrl        = vidioc_s_ctrl,
1716        .vidioc_streamon      = vidioc_streamon,
1717        .vidioc_streamoff     = vidioc_streamoff,
1718#ifdef CONFIG_VIDEO_V4L1_COMPAT
1719        .vidiocgmbuf          = vidiocgmbuf,
1720#endif
1721        .vidioc_g_tuner       = vidioc_g_tuner,
1722        .vidioc_s_tuner       = vidioc_s_tuner,
1723        .vidioc_g_frequency   = vidioc_g_frequency,
1724        .vidioc_s_frequency   = vidioc_s_frequency,
1725#ifdef CONFIG_VIDEO_ADV_DEBUG
1726        .vidioc_g_register    = vidioc_g_register,
1727        .vidioc_s_register    = vidioc_s_register,
1728#endif
1729};
1730
1731static struct video_device cx8800_vbi_template;
1732
1733static struct video_device cx8800_video_template = {
1734        .name                 = "cx8800-video",
1735        .fops                 = &video_fops,
1736        .minor                = -1,
1737        .ioctl_ops            = &video_ioctl_ops,
1738        .tvnorms              = CX88_NORMS,
1739        .current_norm         = V4L2_STD_NTSC_M,
1740};
1741
1742static const struct v4l2_file_operations radio_fops =
1743{
1744        .owner         = THIS_MODULE,
1745        .open          = video_open,
1746        .release       = video_release,
1747        .ioctl         = video_ioctl2,
1748};
1749
1750static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1751        .vidioc_querycap      = radio_querycap,
1752        .vidioc_g_tuner       = radio_g_tuner,
1753        .vidioc_enum_input    = radio_enum_input,
1754        .vidioc_g_audio       = radio_g_audio,
1755        .vidioc_s_tuner       = radio_s_tuner,
1756        .vidioc_s_audio       = radio_s_audio,
1757        .vidioc_s_input       = radio_s_input,
1758        .vidioc_queryctrl     = radio_queryctrl,
1759        .vidioc_g_ctrl        = vidioc_g_ctrl,
1760        .vidioc_s_ctrl        = vidioc_s_ctrl,
1761        .vidioc_g_frequency   = vidioc_g_frequency,
1762        .vidioc_s_frequency   = vidioc_s_frequency,
1763#ifdef CONFIG_VIDEO_ADV_DEBUG
1764        .vidioc_g_register    = vidioc_g_register,
1765        .vidioc_s_register    = vidioc_s_register,
1766#endif
1767};
1768
1769static struct video_device cx8800_radio_template = {
1770        .name                 = "cx8800-radio",
1771        .fops                 = &radio_fops,
1772        .minor                = -1,
1773        .ioctl_ops            = &radio_ioctl_ops,
1774};
1775
1776/* ----------------------------------------------------------- */
1777
1778static void cx8800_unregister_video(struct cx8800_dev *dev)
1779{
1780        if (dev->radio_dev) {
1781                if (-1 != dev->radio_dev->minor)
1782                        video_unregister_device(dev->radio_dev);
1783                else
1784                        video_device_release(dev->radio_dev);
1785                dev->radio_dev = NULL;
1786        }
1787        if (dev->vbi_dev) {
1788                if (-1 != dev->vbi_dev->minor)
1789                        video_unregister_device(dev->vbi_dev);
1790                else
1791                        video_device_release(dev->vbi_dev);
1792                dev->vbi_dev = NULL;
1793        }
1794        if (dev->video_dev) {
1795                if (-1 != dev->video_dev->minor)
1796                        video_unregister_device(dev->video_dev);
1797                else
1798                        video_device_release(dev->video_dev);
1799                dev->video_dev = NULL;
1800        }
1801}
1802
1803static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1804                                    const struct pci_device_id *pci_id)
1805{
1806        struct cx8800_dev *dev;
1807        struct cx88_core *core;
1808
1809        int err;
1810
1811        dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1812        if (NULL == dev)
1813                return -ENOMEM;
1814
1815        /* pci init */
1816        dev->pci = pci_dev;
1817        if (pci_enable_device(pci_dev)) {
1818                err = -EIO;
1819                goto fail_free;
1820        }
1821        core = cx88_core_get(dev->pci);
1822        if (NULL == core) {
1823                err = -EINVAL;
1824                goto fail_free;
1825        }
1826        dev->core = core;
1827
1828        /* print pci info */
1829        pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1830        pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1831        printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1832               "latency: %d, mmio: 0x%llx\n", core->name,
1833               pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1834               dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1835
1836        pci_set_master(pci_dev);
1837        if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1838                printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1839                err = -EIO;
1840                goto fail_core;
1841        }
1842
1843        /* Initialize VBI template */
1844        memcpy( &cx8800_vbi_template, &cx8800_video_template,
1845                sizeof(cx8800_vbi_template) );
1846        strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1847
1848        /* initialize driver struct */
1849        spin_lock_init(&dev->slock);
1850        core->tvnorm = cx8800_video_template.current_norm;
1851
1852        /* init video dma queues */
1853        INIT_LIST_HEAD(&dev->vidq.active);
1854        INIT_LIST_HEAD(&dev->vidq.queued);
1855        dev->vidq.timeout.function = cx8800_vid_timeout;
1856        dev->vidq.timeout.data     = (unsigned long)dev;
1857        init_timer(&dev->vidq.timeout);
1858        cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1859                          MO_VID_DMACNTRL,0x11,0x00);
1860
1861        /* init vbi dma queues */
1862        INIT_LIST_HEAD(&dev->vbiq.active);
1863        INIT_LIST_HEAD(&dev->vbiq.queued);
1864        dev->vbiq.timeout.function = cx8800_vbi_timeout;
1865        dev->vbiq.timeout.data     = (unsigned long)dev;
1866        init_timer(&dev->vbiq.timeout);
1867        cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1868                          MO_VID_DMACNTRL,0x88,0x00);
1869
1870        /* get irq */
1871        err = request_irq(pci_dev->irq, cx8800_irq,
1872                          IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1873        if (err < 0) {
1874                printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1875                       core->name,pci_dev->irq);
1876                goto fail_core;
1877        }
1878        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1879
1880        /* load and configure helper modules */
1881
1882        if (core->board.audio_chip == V4L2_IDENT_WM8775)
1883                v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1884                                "wm8775", "wm8775", 0x36 >> 1, NULL);
1885
1886        if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1887                /* This probes for a tda9874 as is used on some
1888                   Pixelview Ultra boards. */
1889                v4l2_i2c_new_subdev(&core->v4l2_dev,
1890                                &core->i2c_adap,
1891                                "tvaudio", "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1892        }
1893
1894        switch (core->boardnr) {
1895        case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1896        case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1897                static struct i2c_board_info rtc_info = {
1898                        I2C_BOARD_INFO("isl1208", 0x6f)
1899                };
1900
1901                request_module("rtc-isl1208");
1902                core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1903        }
1904                /* break intentionally omitted */
1905        case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1906                request_module("ir-kbd-i2c");
1907        }
1908
1909        /* register v4l devices */
1910        dev->video_dev = cx88_vdev_init(core,dev->pci,
1911                                        &cx8800_video_template,"video");
1912        err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1913                                    video_nr[core->nr]);
1914        if (err < 0) {
1915                printk(KERN_ERR "%s/0: can't register video device\n",
1916                       core->name);
1917                goto fail_unreg;
1918        }
1919        printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1920               core->name, dev->video_dev->num);
1921
1922        dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1923        err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1924                                    vbi_nr[core->nr]);
1925        if (err < 0) {
1926                printk(KERN_ERR "%s/0: can't register vbi device\n",
1927                       core->name);
1928                goto fail_unreg;
1929        }
1930        printk(KERN_INFO "%s/0: registered device vbi%d\n",
1931               core->name, dev->vbi_dev->num);
1932
1933        if (core->board.radio.type == CX88_RADIO) {
1934                dev->radio_dev = cx88_vdev_init(core,dev->pci,
1935                                                &cx8800_radio_template,"radio");
1936                err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1937                                            radio_nr[core->nr]);
1938                if (err < 0) {
1939                        printk(KERN_ERR "%s/0: can't register radio device\n",
1940                               core->name);
1941                        goto fail_unreg;
1942                }
1943                printk(KERN_INFO "%s/0: registered device radio%d\n",
1944                       core->name, dev->radio_dev->num);
1945        }
1946
1947        /* everything worked */
1948        list_add_tail(&dev->devlist,&cx8800_devlist);
1949        pci_set_drvdata(pci_dev,dev);
1950
1951        /* initial device configuration */
1952        mutex_lock(&core->lock);
1953        cx88_set_tvnorm(core,core->tvnorm);
1954        init_controls(core);
1955        cx88_video_mux(core,0);
1956        mutex_unlock(&core->lock);
1957
1958        /* start tvaudio thread */
1959        if (core->board.tuner_type != TUNER_ABSENT) {
1960                core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1961                if (IS_ERR(core->kthread)) {
1962                        err = PTR_ERR(core->kthread);
1963                        printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1964                               core->name, err);
1965                }
1966        }
1967        return 0;
1968
1969fail_unreg:
1970        cx8800_unregister_video(dev);
1971        free_irq(pci_dev->irq, dev);
1972fail_core:
1973        cx88_core_put(core,dev->pci);
1974fail_free:
1975        kfree(dev);
1976        return err;
1977}
1978
1979static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1980{
1981        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1982        struct cx88_core *core = dev->core;
1983
1984        /* stop thread */
1985        if (core->kthread) {
1986                kthread_stop(core->kthread);
1987                core->kthread = NULL;
1988        }
1989
1990        if (core->ir)
1991                cx88_ir_stop(core, core->ir);
1992
1993        cx88_shutdown(core); /* FIXME */
1994        pci_disable_device(pci_dev);
1995
1996        /* unregister stuff */
1997
1998        free_irq(pci_dev->irq, dev);
1999        cx8800_unregister_video(dev);
2000        pci_set_drvdata(pci_dev, NULL);
2001
2002        /* free memory */
2003        btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2004        list_del(&dev->devlist);
2005        cx88_core_put(core,dev->pci);
2006        kfree(dev);
2007}
2008
2009#ifdef CONFIG_PM
2010static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2011{
2012        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2013        struct cx88_core *core = dev->core;
2014
2015        /* stop video+vbi capture */
2016        spin_lock(&dev->slock);
2017        if (!list_empty(&dev->vidq.active)) {
2018                printk("%s/0: suspend video\n", core->name);
2019                stop_video_dma(dev);
2020                del_timer(&dev->vidq.timeout);
2021        }
2022        if (!list_empty(&dev->vbiq.active)) {
2023                printk("%s/0: suspend vbi\n", core->name);
2024                cx8800_stop_vbi_dma(dev);
2025                del_timer(&dev->vbiq.timeout);
2026        }
2027        spin_unlock(&dev->slock);
2028
2029        if (core->ir)
2030                cx88_ir_stop(core, core->ir);
2031        /* FIXME -- shutdown device */
2032        cx88_shutdown(core);
2033
2034        pci_save_state(pci_dev);
2035        if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2036                pci_disable_device(pci_dev);
2037                dev->state.disabled = 1;
2038        }
2039        return 0;
2040}
2041
2042static int cx8800_resume(struct pci_dev *pci_dev)
2043{
2044        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2045        struct cx88_core *core = dev->core;
2046        int err;
2047
2048        if (dev->state.disabled) {
2049                err=pci_enable_device(pci_dev);
2050                if (err) {
2051                        printk(KERN_ERR "%s/0: can't enable device\n",
2052                               core->name);
2053                        return err;
2054                }
2055
2056                dev->state.disabled = 0;
2057        }
2058        err= pci_set_power_state(pci_dev, PCI_D0);
2059        if (err) {
2060                printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2061                pci_disable_device(pci_dev);
2062                dev->state.disabled = 1;
2063
2064                return err;
2065        }
2066        pci_restore_state(pci_dev);
2067
2068        /* FIXME: re-initialize hardware */
2069        cx88_reset(core);
2070        if (core->ir)
2071                cx88_ir_start(core, core->ir);
2072
2073        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2074
2075        /* restart video+vbi capture */
2076        spin_lock(&dev->slock);
2077        if (!list_empty(&dev->vidq.active)) {
2078                printk("%s/0: resume video\n", core->name);
2079                restart_video_queue(dev,&dev->vidq);
2080        }
2081        if (!list_empty(&dev->vbiq.active)) {
2082                printk("%s/0: resume vbi\n", core->name);
2083                cx8800_restart_vbi_queue(dev,&dev->vbiq);
2084        }
2085        spin_unlock(&dev->slock);
2086
2087        return 0;
2088}
2089#endif
2090
2091/* ----------------------------------------------------------- */
2092
2093static struct pci_device_id cx8800_pci_tbl[] = {
2094        {
2095                .vendor       = 0x14f1,
2096                .device       = 0x8800,
2097                .subvendor    = PCI_ANY_ID,
2098                .subdevice    = PCI_ANY_ID,
2099        },{
2100                /* --- end of list --- */
2101        }
2102};
2103MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2104
2105static struct pci_driver cx8800_pci_driver = {
2106        .name     = "cx8800",
2107        .id_table = cx8800_pci_tbl,
2108        .probe    = cx8800_initdev,
2109        .remove   = __devexit_p(cx8800_finidev),
2110#ifdef CONFIG_PM
2111        .suspend  = cx8800_suspend,
2112        .resume   = cx8800_resume,
2113#endif
2114};
2115
2116static int __init cx8800_init(void)
2117{
2118        printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2119               (CX88_VERSION_CODE >> 16) & 0xff,
2120               (CX88_VERSION_CODE >>  8) & 0xff,
2121               CX88_VERSION_CODE & 0xff);
2122#ifdef SNAPSHOT
2123        printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2124               SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2125#endif
2126        return pci_register_driver(&cx8800_pci_driver);
2127}
2128
2129static void __exit cx8800_fini(void)
2130{
2131        pci_unregister_driver(&cx8800_pci_driver);
2132}
2133
2134module_init(cx8800_init);
2135module_exit(cx8800_fini);
2136
2137/* ----------------------------------------------------------- */
2138/*
2139 * Local variables:
2140 * c-basic-offset: 8
2141 * End:
2142 * 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
2143 */
2144