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/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
  45MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  46MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  47MODULE_LICENSE("GPL");
  48MODULE_VERSION(CX88_VERSION);
  49
  50/* ------------------------------------------------------------------ */
  51
  52static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  55
  56module_param_array(video_nr, int, NULL, 0444);
  57module_param_array(vbi_nr,   int, NULL, 0444);
  58module_param_array(radio_nr, int, NULL, 0444);
  59
  60MODULE_PARM_DESC(video_nr,"video device numbers");
  61MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  62MODULE_PARM_DESC(radio_nr,"radio device numbers");
  63
  64static unsigned int video_debug;
  65module_param(video_debug,int,0644);
  66MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  67
  68static unsigned int irq_debug;
  69module_param(irq_debug,int,0644);
  70MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  71
  72static unsigned int vid_limit = 16;
  73module_param(vid_limit,int,0644);
  74MODULE_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
  82static 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
 146static 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
 158static const struct v4l2_queryctrl no_ctl = {
 159        .name  = "42",
 160        .flags = V4L2_CTRL_FLAG_DISABLED,
 161};
 162
 163static 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       = 1,
 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};
 322enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
 323
 324/* Must be sorted from low to high control ID! */
 325const 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};
 340EXPORT_SYMBOL(cx88_user_ctrls);
 341
 342static const u32 * const ctrl_classes[] = {
 343        cx88_user_ctrls,
 344        NULL
 345};
 346
 347int 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}
 369EXPORT_SYMBOL(cx8800_ctrl_query);
 370
 371/* ------------------------------------------------------------------- */
 372/* resource management                                                 */
 373
 374static 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
 396static
 397int res_check(struct cx8800_fh *fh, unsigned int bit)
 398{
 399        return (fh->resources & bit);
 400}
 401
 402static
 403int res_locked(struct cx8800_dev *dev, unsigned int bit)
 404{
 405        return (dev->resources & bit);
 406}
 407
 408static
 409void 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
 423int 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}
 481EXPORT_SYMBOL(cx88_video_mux);
 482
 483/* ------------------------------------------------------------------ */
 484
 485static 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
 524static 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
 541static 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
 590static int
 591buffer_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
 603static int
 604buffer_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
 689static void
 690buffer_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
 739static 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
 746static 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
 758static 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
 771static 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
 784static 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
 866static ssize_t
 867video_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
 888static unsigned int
 889video_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;
 919done:
 920        mutex_unlock(&fh->vidq.vb_lock);
 921        return rc;
 922}
 923
 924static 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
 966static int
 967video_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
 977int 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}
1011EXPORT_SYMBOL(cx88_get_control);
1012
1013int 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}
1105EXPORT_SYMBOL(cx88_set_control);
1106
1107static 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
1123static 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
1139static 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
1183static 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
1198static 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
1217static 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
1229static 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
1235static 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
1241static 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
1247static 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
1254static 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
1273static 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
1294static 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 */
1306int 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}
1334EXPORT_SYMBOL(cx88_enum_input);
1335
1336static 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
1343static 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
1351static 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
1367static 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
1378static 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
1386static 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
1394static 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
1416static 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
1430static 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
1448int 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}
1469EXPORT_SYMBOL(cx88_set_freq);
1470
1471static 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
1487static 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
1500static 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
1516static 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
1529static 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
1544static 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
1555static 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
1566static 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
1579static int radio_s_audio (struct file *file, void *fh,
1580                          struct v4l2_audio *a)
1581{
1582        return 0;
1583}
1584
1585static int radio_s_input (struct file *file, void *fh, unsigned int i)
1586{
1587        return 0;
1588}
1589
1590static 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
1615static 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
1641static 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
1649static 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
1705static 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
1738static 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
1749static 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
1781static struct video_device cx8800_vbi_template;
1782
1783static 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
1791static 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
1799static 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
1818static 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
1826static 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
1851static 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
2034fail_unreg:
2035        cx8800_unregister_video(dev);
2036        free_irq(pci_dev->irq, dev);
2037        mutex_unlock(&core->lock);
2038fail_core:
2039        cx88_core_put(core,dev->pci);
2040fail_free:
2041        kfree(dev);
2042        return err;
2043}
2044
2045static 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
2075static 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
2107static 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
2158static 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};
2168MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2169
2170static 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
2181static 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
2188static void __exit cx8800_fini(void)
2189{
2190        pci_unregister_driver(&cx8800_pci_driver);
2191}
2192
2193module_init(cx8800_init);
2194module_exit(cx8800_fini);
2195