linux/drivers/media/pci/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/v4l2-event.h>
  44#include <media/wm8775.h>
  45
  46MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  47MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  48MODULE_LICENSE("GPL");
  49MODULE_VERSION(CX88_VERSION);
  50
  51/* ------------------------------------------------------------------ */
  52
  53static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  55static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  56
  57module_param_array(video_nr, int, NULL, 0444);
  58module_param_array(vbi_nr,   int, NULL, 0444);
  59module_param_array(radio_nr, int, NULL, 0444);
  60
  61MODULE_PARM_DESC(video_nr,"video device numbers");
  62MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  63MODULE_PARM_DESC(radio_nr,"radio device numbers");
  64
  65static unsigned int video_debug;
  66module_param(video_debug,int,0644);
  67MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  68
  69static unsigned int irq_debug;
  70module_param(irq_debug,int,0644);
  71MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  72
  73static unsigned int vid_limit = 16;
  74module_param(vid_limit,int,0644);
  75MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  76
  77#define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  78        printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  79
  80/* ------------------------------------------------------------------- */
  81/* static data                                                         */
  82
  83static const struct cx8800_fmt formats[] = {
  84        {
  85                .name     = "8 bpp, gray",
  86                .fourcc   = V4L2_PIX_FMT_GREY,
  87                .cxformat = ColorFormatY8,
  88                .depth    = 8,
  89                .flags    = FORMAT_FLAGS_PACKED,
  90        },{
  91                .name     = "15 bpp RGB, le",
  92                .fourcc   = V4L2_PIX_FMT_RGB555,
  93                .cxformat = ColorFormatRGB15,
  94                .depth    = 16,
  95                .flags    = FORMAT_FLAGS_PACKED,
  96        },{
  97                .name     = "15 bpp RGB, be",
  98                .fourcc   = V4L2_PIX_FMT_RGB555X,
  99                .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 100                .depth    = 16,
 101                .flags    = FORMAT_FLAGS_PACKED,
 102        },{
 103                .name     = "16 bpp RGB, le",
 104                .fourcc   = V4L2_PIX_FMT_RGB565,
 105                .cxformat = ColorFormatRGB16,
 106                .depth    = 16,
 107                .flags    = FORMAT_FLAGS_PACKED,
 108        },{
 109                .name     = "16 bpp RGB, be",
 110                .fourcc   = V4L2_PIX_FMT_RGB565X,
 111                .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 112                .depth    = 16,
 113                .flags    = FORMAT_FLAGS_PACKED,
 114        },{
 115                .name     = "24 bpp RGB, le",
 116                .fourcc   = V4L2_PIX_FMT_BGR24,
 117                .cxformat = ColorFormatRGB24,
 118                .depth    = 24,
 119                .flags    = FORMAT_FLAGS_PACKED,
 120        },{
 121                .name     = "32 bpp RGB, le",
 122                .fourcc   = V4L2_PIX_FMT_BGR32,
 123                .cxformat = ColorFormatRGB32,
 124                .depth    = 32,
 125                .flags    = FORMAT_FLAGS_PACKED,
 126        },{
 127                .name     = "32 bpp RGB, be",
 128                .fourcc   = V4L2_PIX_FMT_RGB32,
 129                .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 130                .depth    = 32,
 131                .flags    = FORMAT_FLAGS_PACKED,
 132        },{
 133                .name     = "4:2:2, packed, YUYV",
 134                .fourcc   = V4L2_PIX_FMT_YUYV,
 135                .cxformat = ColorFormatYUY2,
 136                .depth    = 16,
 137                .flags    = FORMAT_FLAGS_PACKED,
 138        },{
 139                .name     = "4:2:2, packed, UYVY",
 140                .fourcc   = V4L2_PIX_FMT_UYVY,
 141                .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 142                .depth    = 16,
 143                .flags    = FORMAT_FLAGS_PACKED,
 144        },
 145};
 146
 147static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 148{
 149        unsigned int i;
 150
 151        for (i = 0; i < ARRAY_SIZE(formats); i++)
 152                if (formats[i].fourcc == fourcc)
 153                        return formats+i;
 154        return NULL;
 155}
 156
 157/* ------------------------------------------------------------------- */
 158
 159struct cx88_ctrl {
 160        /* control information */
 161        u32 id;
 162        s32 minimum;
 163        s32 maximum;
 164        u32 step;
 165        s32 default_value;
 166
 167        /* control register information */
 168        u32 off;
 169        u32 reg;
 170        u32 sreg;
 171        u32 mask;
 172        u32 shift;
 173};
 174
 175static const struct cx88_ctrl cx8800_vid_ctls[] = {
 176        /* --- video --- */
 177        {
 178                .id            = V4L2_CID_BRIGHTNESS,
 179                .minimum       = 0x00,
 180                .maximum       = 0xff,
 181                .step          = 1,
 182                .default_value = 0x7f,
 183                .off           = 128,
 184                .reg           = MO_CONTR_BRIGHT,
 185                .mask          = 0x00ff,
 186                .shift         = 0,
 187        },{
 188                .id            = V4L2_CID_CONTRAST,
 189                .minimum       = 0,
 190                .maximum       = 0xff,
 191                .step          = 1,
 192                .default_value = 0x3f,
 193                .off           = 0,
 194                .reg           = MO_CONTR_BRIGHT,
 195                .mask          = 0xff00,
 196                .shift         = 8,
 197        },{
 198                .id            = V4L2_CID_HUE,
 199                .minimum       = 0,
 200                .maximum       = 0xff,
 201                .step          = 1,
 202                .default_value = 0x7f,
 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                .id            = V4L2_CID_SATURATION,
 212                .minimum       = 0,
 213                .maximum       = 0xff,
 214                .step          = 1,
 215                .default_value = 0x7f,
 216                .off           = 0,
 217                .reg           = MO_UV_SATURATION,
 218                .mask          = 0x00ff,
 219                .shift         = 0,
 220        }, {
 221                .id            = V4L2_CID_SHARPNESS,
 222                .minimum       = 0,
 223                .maximum       = 4,
 224                .step          = 1,
 225                .default_value = 0x0,
 226                .off           = 0,
 227                /* NOTE: the value is converted and written to both even
 228                   and odd registers in the code */
 229                .reg           = MO_FILTER_ODD,
 230                .mask          = 7 << 7,
 231                .shift         = 7,
 232        }, {
 233                .id            = V4L2_CID_CHROMA_AGC,
 234                .minimum       = 0,
 235                .maximum       = 1,
 236                .default_value = 0x1,
 237                .reg           = MO_INPUT_FORMAT,
 238                .mask          = 1 << 10,
 239                .shift         = 10,
 240        }, {
 241                .id            = V4L2_CID_COLOR_KILLER,
 242                .minimum       = 0,
 243                .maximum       = 1,
 244                .default_value = 0x1,
 245                .reg           = MO_INPUT_FORMAT,
 246                .mask          = 1 << 9,
 247                .shift         = 9,
 248        }, {
 249                .id            = V4L2_CID_BAND_STOP_FILTER,
 250                .minimum       = 0,
 251                .maximum       = 1,
 252                .step          = 1,
 253                .default_value = 0x0,
 254                .off           = 0,
 255                .reg           = MO_HTOTAL,
 256                .mask          = 3 << 11,
 257                .shift         = 11,
 258        }
 259};
 260
 261static const struct cx88_ctrl cx8800_aud_ctls[] = {
 262        {
 263                /* --- audio --- */
 264                .id            = V4L2_CID_AUDIO_MUTE,
 265                .minimum       = 0,
 266                .maximum       = 1,
 267                .default_value = 1,
 268                .reg           = AUD_VOL_CTL,
 269                .sreg          = SHADOW_AUD_VOL_CTL,
 270                .mask          = (1 << 6),
 271                .shift         = 6,
 272        },{
 273                .id            = V4L2_CID_AUDIO_VOLUME,
 274                .minimum       = 0,
 275                .maximum       = 0x3f,
 276                .step          = 1,
 277                .default_value = 0x3f,
 278                .reg           = AUD_VOL_CTL,
 279                .sreg          = SHADOW_AUD_VOL_CTL,
 280                .mask          = 0x3f,
 281                .shift         = 0,
 282        },{
 283                .id            = V4L2_CID_AUDIO_BALANCE,
 284                .minimum       = 0,
 285                .maximum       = 0x7f,
 286                .step          = 1,
 287                .default_value = 0x40,
 288                .reg           = AUD_BAL_CTL,
 289                .sreg          = SHADOW_AUD_BAL_CTL,
 290                .mask          = 0x7f,
 291                .shift         = 0,
 292        }
 293};
 294
 295enum {
 296        CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
 297        CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
 298};
 299
 300/* ------------------------------------------------------------------- */
 301/* resource management                                                 */
 302
 303static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 304{
 305        struct cx88_core *core = dev->core;
 306        if (fh->resources & bit)
 307                /* have it already allocated */
 308                return 1;
 309
 310        /* is it free? */
 311        mutex_lock(&core->lock);
 312        if (dev->resources & bit) {
 313                /* no, someone else uses it */
 314                mutex_unlock(&core->lock);
 315                return 0;
 316        }
 317        /* it's free, grab it */
 318        fh->resources  |= bit;
 319        dev->resources |= bit;
 320        dprintk(1,"res: get %d\n",bit);
 321        mutex_unlock(&core->lock);
 322        return 1;
 323}
 324
 325static
 326int res_check(struct cx8800_fh *fh, unsigned int bit)
 327{
 328        return (fh->resources & bit);
 329}
 330
 331static
 332int res_locked(struct cx8800_dev *dev, unsigned int bit)
 333{
 334        return (dev->resources & bit);
 335}
 336
 337static
 338void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 339{
 340        struct cx88_core *core = dev->core;
 341        BUG_ON((fh->resources & bits) != bits);
 342
 343        mutex_lock(&core->lock);
 344        fh->resources  &= ~bits;
 345        dev->resources &= ~bits;
 346        dprintk(1,"res: put %d\n",bits);
 347        mutex_unlock(&core->lock);
 348}
 349
 350/* ------------------------------------------------------------------ */
 351
 352int cx88_video_mux(struct cx88_core *core, unsigned int input)
 353{
 354        /* struct cx88_core *core = dev->core; */
 355
 356        dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 357                input, INPUT(input).vmux,
 358                INPUT(input).gpio0,INPUT(input).gpio1,
 359                INPUT(input).gpio2,INPUT(input).gpio3);
 360        core->input = input;
 361        cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 362        cx_write(MO_GP3_IO, INPUT(input).gpio3);
 363        cx_write(MO_GP0_IO, INPUT(input).gpio0);
 364        cx_write(MO_GP1_IO, INPUT(input).gpio1);
 365        cx_write(MO_GP2_IO, INPUT(input).gpio2);
 366
 367        switch (INPUT(input).type) {
 368        case CX88_VMUX_SVIDEO:
 369                cx_set(MO_AFECFG_IO,    0x00000001);
 370                cx_set(MO_INPUT_FORMAT, 0x00010010);
 371                cx_set(MO_FILTER_EVEN,  0x00002020);
 372                cx_set(MO_FILTER_ODD,   0x00002020);
 373                break;
 374        default:
 375                cx_clear(MO_AFECFG_IO,    0x00000001);
 376                cx_clear(MO_INPUT_FORMAT, 0x00010010);
 377                cx_clear(MO_FILTER_EVEN,  0x00002020);
 378                cx_clear(MO_FILTER_ODD,   0x00002020);
 379                break;
 380        }
 381
 382        /* if there are audioroutes defined, we have an external
 383           ADC to deal with audio */
 384        if (INPUT(input).audioroute) {
 385                /* The wm8775 module has the "2" route hardwired into
 386                   the initialization. Some boards may use different
 387                   routes for different inputs. HVR-1300 surely does */
 388                if (core->sd_wm8775) {
 389                        call_all(core, audio, s_routing,
 390                                 INPUT(input).audioroute, 0, 0);
 391                }
 392                /* cx2388's C-ADC is connected to the tuner only.
 393                   When used with S-Video, that ADC is busy dealing with
 394                   chroma, so an external must be used for baseband audio */
 395                if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 396                    INPUT(input).type != CX88_VMUX_CABLE) {
 397                        /* "I2S ADC mode" */
 398                        core->tvaudio = WW_I2SADC;
 399                        cx88_set_tvaudio(core);
 400                } else {
 401                        /* Normal mode */
 402                        cx_write(AUD_I2SCNTL, 0x0);
 403                        cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 404                }
 405        }
 406
 407        return 0;
 408}
 409EXPORT_SYMBOL(cx88_video_mux);
 410
 411/* ------------------------------------------------------------------ */
 412
 413static int start_video_dma(struct cx8800_dev    *dev,
 414                           struct cx88_dmaqueue *q,
 415                           struct cx88_buffer   *buf)
 416{
 417        struct cx88_core *core = dev->core;
 418
 419        /* setup fifo + format */
 420        cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 421                                buf->bpl, buf->risc.dma);
 422        cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 423        cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 424
 425        /* reset counter */
 426        cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 427        q->count = 1;
 428
 429        /* enable irqs */
 430        cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 431
 432        /* Enables corresponding bits at PCI_INT_STAT:
 433                bits 0 to 4: video, audio, transport stream, VIP, Host
 434                bit 7: timer
 435                bits 8 and 9: DMA complete for: SRC, DST
 436                bits 10 and 11: BERR signal asserted for RISC: RD, WR
 437                bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 438         */
 439        cx_set(MO_VID_INTMSK, 0x0f0011);
 440
 441        /* enable capture */
 442        cx_set(VID_CAPTURE_CONTROL,0x06);
 443
 444        /* start dma */
 445        cx_set(MO_DEV_CNTRL2, (1<<5));
 446        cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 447
 448        return 0;
 449}
 450
 451#ifdef CONFIG_PM
 452static int stop_video_dma(struct cx8800_dev    *dev)
 453{
 454        struct cx88_core *core = dev->core;
 455
 456        /* stop dma */
 457        cx_clear(MO_VID_DMACNTRL, 0x11);
 458
 459        /* disable capture */
 460        cx_clear(VID_CAPTURE_CONTROL,0x06);
 461
 462        /* disable irqs */
 463        cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 464        cx_clear(MO_VID_INTMSK, 0x0f0011);
 465        return 0;
 466}
 467#endif
 468
 469static int restart_video_queue(struct cx8800_dev    *dev,
 470                               struct cx88_dmaqueue *q)
 471{
 472        struct cx88_core *core = dev->core;
 473        struct cx88_buffer *buf, *prev;
 474
 475        if (!list_empty(&q->active)) {
 476                buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 477                dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 478                        buf, buf->vb.i);
 479                start_video_dma(dev, q, buf);
 480                list_for_each_entry(buf, &q->active, vb.queue)
 481                        buf->count = q->count++;
 482                mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 483                return 0;
 484        }
 485
 486        prev = NULL;
 487        for (;;) {
 488                if (list_empty(&q->queued))
 489                        return 0;
 490                buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 491                if (NULL == prev) {
 492                        list_move_tail(&buf->vb.queue, &q->active);
 493                        start_video_dma(dev, q, buf);
 494                        buf->vb.state = VIDEOBUF_ACTIVE;
 495                        buf->count    = q->count++;
 496                        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 497                        dprintk(2,"[%p/%d] restart_queue - first active\n",
 498                                buf,buf->vb.i);
 499
 500                } else if (prev->vb.width  == buf->vb.width  &&
 501                           prev->vb.height == buf->vb.height &&
 502                           prev->fmt       == buf->fmt) {
 503                        list_move_tail(&buf->vb.queue, &q->active);
 504                        buf->vb.state = VIDEOBUF_ACTIVE;
 505                        buf->count    = q->count++;
 506                        prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 507                        dprintk(2,"[%p/%d] restart_queue - move to active\n",
 508                                buf,buf->vb.i);
 509                } else {
 510                        return 0;
 511                }
 512                prev = buf;
 513        }
 514}
 515
 516/* ------------------------------------------------------------------ */
 517
 518static int
 519buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 520{
 521        struct cx8800_fh *fh = q->priv_data;
 522        struct cx8800_dev  *dev = fh->dev;
 523
 524        *size = dev->fmt->depth * dev->width * dev->height >> 3;
 525        if (0 == *count)
 526                *count = 32;
 527        if (*size * *count > vid_limit * 1024 * 1024)
 528                *count = (vid_limit * 1024 * 1024) / *size;
 529        return 0;
 530}
 531
 532static int
 533buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 534               enum v4l2_field field)
 535{
 536        struct cx8800_fh   *fh  = q->priv_data;
 537        struct cx8800_dev  *dev = fh->dev;
 538        struct cx88_core *core = dev->core;
 539        struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 540        struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 541        int rc, init_buffer = 0;
 542
 543        BUG_ON(NULL == dev->fmt);
 544        if (dev->width  < 48 || dev->width  > norm_maxw(core->tvnorm) ||
 545            dev->height < 32 || dev->height > norm_maxh(core->tvnorm))
 546                return -EINVAL;
 547        buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 548        if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 549                return -EINVAL;
 550
 551        if (buf->fmt       != dev->fmt    ||
 552            buf->vb.width  != dev->width  ||
 553            buf->vb.height != dev->height ||
 554            buf->vb.field  != field) {
 555                buf->fmt       = dev->fmt;
 556                buf->vb.width  = dev->width;
 557                buf->vb.height = dev->height;
 558                buf->vb.field  = field;
 559                init_buffer = 1;
 560        }
 561
 562        if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 563                init_buffer = 1;
 564                if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 565                        goto fail;
 566        }
 567
 568        if (init_buffer) {
 569                buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 570                switch (buf->vb.field) {
 571                case V4L2_FIELD_TOP:
 572                        cx88_risc_buffer(dev->pci, &buf->risc,
 573                                         dma->sglist, 0, UNSET,
 574                                         buf->bpl, 0, buf->vb.height);
 575                        break;
 576                case V4L2_FIELD_BOTTOM:
 577                        cx88_risc_buffer(dev->pci, &buf->risc,
 578                                         dma->sglist, UNSET, 0,
 579                                         buf->bpl, 0, buf->vb.height);
 580                        break;
 581                case V4L2_FIELD_INTERLACED:
 582                        cx88_risc_buffer(dev->pci, &buf->risc,
 583                                         dma->sglist, 0, buf->bpl,
 584                                         buf->bpl, buf->bpl,
 585                                         buf->vb.height >> 1);
 586                        break;
 587                case V4L2_FIELD_SEQ_TB:
 588                        cx88_risc_buffer(dev->pci, &buf->risc,
 589                                         dma->sglist,
 590                                         0, buf->bpl * (buf->vb.height >> 1),
 591                                         buf->bpl, 0,
 592                                         buf->vb.height >> 1);
 593                        break;
 594                case V4L2_FIELD_SEQ_BT:
 595                        cx88_risc_buffer(dev->pci, &buf->risc,
 596                                         dma->sglist,
 597                                         buf->bpl * (buf->vb.height >> 1), 0,
 598                                         buf->bpl, 0,
 599                                         buf->vb.height >> 1);
 600                        break;
 601                default:
 602                        BUG();
 603                }
 604        }
 605        dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 606                buf, buf->vb.i,
 607                dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 608                (unsigned long)buf->risc.dma);
 609
 610        buf->vb.state = VIDEOBUF_PREPARED;
 611        return 0;
 612
 613 fail:
 614        cx88_free_buffer(q,buf);
 615        return rc;
 616}
 617
 618static void
 619buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 620{
 621        struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 622        struct cx88_buffer    *prev;
 623        struct cx8800_fh      *fh   = vq->priv_data;
 624        struct cx8800_dev     *dev  = fh->dev;
 625        struct cx88_core      *core = dev->core;
 626        struct cx88_dmaqueue  *q    = &dev->vidq;
 627
 628        /* add jump to stopper */
 629        buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 630        buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 631
 632        if (!list_empty(&q->queued)) {
 633                list_add_tail(&buf->vb.queue,&q->queued);
 634                buf->vb.state = VIDEOBUF_QUEUED;
 635                dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 636                        buf, buf->vb.i);
 637
 638        } else if (list_empty(&q->active)) {
 639                list_add_tail(&buf->vb.queue,&q->active);
 640                start_video_dma(dev, q, buf);
 641                buf->vb.state = VIDEOBUF_ACTIVE;
 642                buf->count    = q->count++;
 643                mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 644                dprintk(2,"[%p/%d] buffer_queue - first active\n",
 645                        buf, buf->vb.i);
 646
 647        } else {
 648                prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 649                if (prev->vb.width  == buf->vb.width  &&
 650                    prev->vb.height == buf->vb.height &&
 651                    prev->fmt       == buf->fmt) {
 652                        list_add_tail(&buf->vb.queue,&q->active);
 653                        buf->vb.state = VIDEOBUF_ACTIVE;
 654                        buf->count    = q->count++;
 655                        prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 656                        dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 657                                buf, buf->vb.i);
 658
 659                } else {
 660                        list_add_tail(&buf->vb.queue,&q->queued);
 661                        buf->vb.state = VIDEOBUF_QUEUED;
 662                        dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 663                                buf, buf->vb.i);
 664                }
 665        }
 666}
 667
 668static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 669{
 670        struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 671
 672        cx88_free_buffer(q,buf);
 673}
 674
 675static const struct videobuf_queue_ops cx8800_video_qops = {
 676        .buf_setup    = buffer_setup,
 677        .buf_prepare  = buffer_prepare,
 678        .buf_queue    = buffer_queue,
 679        .buf_release  = buffer_release,
 680};
 681
 682/* ------------------------------------------------------------------ */
 683
 684
 685/* ------------------------------------------------------------------ */
 686
 687static struct videobuf_queue *get_queue(struct file *file)
 688{
 689        struct video_device *vdev = video_devdata(file);
 690        struct cx8800_fh *fh = file->private_data;
 691
 692        switch (vdev->vfl_type) {
 693        case VFL_TYPE_GRABBER:
 694                return &fh->vidq;
 695        case VFL_TYPE_VBI:
 696                return &fh->vbiq;
 697        default:
 698                BUG();
 699                return NULL;
 700        }
 701}
 702
 703static int get_resource(struct file *file)
 704{
 705        struct video_device *vdev = video_devdata(file);
 706
 707        switch (vdev->vfl_type) {
 708        case VFL_TYPE_GRABBER:
 709                return RESOURCE_VIDEO;
 710        case VFL_TYPE_VBI:
 711                return RESOURCE_VBI;
 712        default:
 713                BUG();
 714                return 0;
 715        }
 716}
 717
 718static int video_open(struct file *file)
 719{
 720        struct video_device *vdev = video_devdata(file);
 721        struct cx8800_dev *dev = video_drvdata(file);
 722        struct cx88_core *core = dev->core;
 723        struct cx8800_fh *fh;
 724        enum v4l2_buf_type type = 0;
 725        int radio = 0;
 726
 727        switch (vdev->vfl_type) {
 728        case VFL_TYPE_GRABBER:
 729                type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 730                break;
 731        case VFL_TYPE_VBI:
 732                type = V4L2_BUF_TYPE_VBI_CAPTURE;
 733                break;
 734        case VFL_TYPE_RADIO:
 735                radio = 1;
 736                break;
 737        }
 738
 739        dprintk(1, "open dev=%s radio=%d type=%s\n",
 740                video_device_node_name(vdev), radio, v4l2_type_names[type]);
 741
 742        /* allocate + initialize per filehandle data */
 743        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 744        if (unlikely(!fh))
 745                return -ENOMEM;
 746
 747        v4l2_fh_init(&fh->fh, vdev);
 748        file->private_data = fh;
 749        fh->dev      = dev;
 750
 751        mutex_lock(&core->lock);
 752
 753        videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 754                            &dev->pci->dev, &dev->slock,
 755                            V4L2_BUF_TYPE_VIDEO_CAPTURE,
 756                            V4L2_FIELD_INTERLACED,
 757                            sizeof(struct cx88_buffer),
 758                            fh, NULL);
 759        videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 760                            &dev->pci->dev, &dev->slock,
 761                            V4L2_BUF_TYPE_VBI_CAPTURE,
 762                            V4L2_FIELD_SEQ_TB,
 763                            sizeof(struct cx88_buffer),
 764                            fh, NULL);
 765
 766        if (vdev->vfl_type == VFL_TYPE_RADIO) {
 767                dprintk(1,"video_open: setting radio device\n");
 768                cx_write(MO_GP3_IO, core->board.radio.gpio3);
 769                cx_write(MO_GP0_IO, core->board.radio.gpio0);
 770                cx_write(MO_GP1_IO, core->board.radio.gpio1);
 771                cx_write(MO_GP2_IO, core->board.radio.gpio2);
 772                if (core->board.radio.audioroute) {
 773                        if (core->sd_wm8775) {
 774                                call_all(core, audio, s_routing,
 775                                        core->board.radio.audioroute, 0, 0);
 776                        }
 777                        /* "I2S ADC mode" */
 778                        core->tvaudio = WW_I2SADC;
 779                        cx88_set_tvaudio(core);
 780                } else {
 781                        /* FM Mode */
 782                        core->tvaudio = WW_FM;
 783                        cx88_set_tvaudio(core);
 784                        cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 785                }
 786                call_all(core, tuner, s_radio);
 787        }
 788
 789        core->users++;
 790        mutex_unlock(&core->lock);
 791        v4l2_fh_add(&fh->fh);
 792
 793        return 0;
 794}
 795
 796static ssize_t
 797video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 798{
 799        struct video_device *vdev = video_devdata(file);
 800        struct cx8800_fh *fh = file->private_data;
 801
 802        switch (vdev->vfl_type) {
 803        case VFL_TYPE_GRABBER:
 804                if (res_locked(fh->dev,RESOURCE_VIDEO))
 805                        return -EBUSY;
 806                return videobuf_read_one(&fh->vidq, data, count, ppos,
 807                                         file->f_flags & O_NONBLOCK);
 808        case VFL_TYPE_VBI:
 809                if (!res_get(fh->dev,fh,RESOURCE_VBI))
 810                        return -EBUSY;
 811                return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 812                                            file->f_flags & O_NONBLOCK);
 813        default:
 814                BUG();
 815                return 0;
 816        }
 817}
 818
 819static unsigned int
 820video_poll(struct file *file, struct poll_table_struct *wait)
 821{
 822        struct video_device *vdev = video_devdata(file);
 823        struct cx8800_fh *fh = file->private_data;
 824        struct cx88_buffer *buf;
 825        unsigned int rc = v4l2_ctrl_poll(file, wait);
 826
 827        if (vdev->vfl_type == VFL_TYPE_VBI) {
 828                if (!res_get(fh->dev,fh,RESOURCE_VBI))
 829                        return rc | POLLERR;
 830                return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
 831        }
 832        mutex_lock(&fh->vidq.vb_lock);
 833        if (res_check(fh,RESOURCE_VIDEO)) {
 834                /* streaming capture */
 835                if (list_empty(&fh->vidq.stream))
 836                        goto done;
 837                buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 838        } else {
 839                /* read() capture */
 840                buf = (struct cx88_buffer*)fh->vidq.read_buf;
 841                if (NULL == buf)
 842                        goto done;
 843        }
 844        poll_wait(file, &buf->vb.done, wait);
 845        if (buf->vb.state == VIDEOBUF_DONE ||
 846            buf->vb.state == VIDEOBUF_ERROR)
 847                rc |= POLLIN|POLLRDNORM;
 848done:
 849        mutex_unlock(&fh->vidq.vb_lock);
 850        return rc;
 851}
 852
 853static int video_release(struct file *file)
 854{
 855        struct cx8800_fh  *fh  = file->private_data;
 856        struct cx8800_dev *dev = fh->dev;
 857
 858        /* turn off overlay */
 859        if (res_check(fh, RESOURCE_OVERLAY)) {
 860                /* FIXME */
 861                res_free(dev,fh,RESOURCE_OVERLAY);
 862        }
 863
 864        /* stop video capture */
 865        if (res_check(fh, RESOURCE_VIDEO)) {
 866                videobuf_queue_cancel(&fh->vidq);
 867                res_free(dev,fh,RESOURCE_VIDEO);
 868        }
 869        if (fh->vidq.read_buf) {
 870                buffer_release(&fh->vidq,fh->vidq.read_buf);
 871                kfree(fh->vidq.read_buf);
 872        }
 873
 874        /* stop vbi capture */
 875        if (res_check(fh, RESOURCE_VBI)) {
 876                videobuf_stop(&fh->vbiq);
 877                res_free(dev,fh,RESOURCE_VBI);
 878        }
 879
 880        videobuf_mmap_free(&fh->vidq);
 881        videobuf_mmap_free(&fh->vbiq);
 882
 883        mutex_lock(&dev->core->lock);
 884        v4l2_fh_del(&fh->fh);
 885        v4l2_fh_exit(&fh->fh);
 886        file->private_data = NULL;
 887        kfree(fh);
 888
 889        dev->core->users--;
 890        if (!dev->core->users)
 891                call_all(dev->core, core, s_power, 0);
 892        mutex_unlock(&dev->core->lock);
 893
 894        return 0;
 895}
 896
 897static int
 898video_mmap(struct file *file, struct vm_area_struct * vma)
 899{
 900        return videobuf_mmap_mapper(get_queue(file), vma);
 901}
 902
 903/* ------------------------------------------------------------------ */
 904/* VIDEO CTRL IOCTLS                                                  */
 905
 906static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 907{
 908        struct cx88_core *core =
 909                container_of(ctrl->handler, struct cx88_core, video_hdl);
 910        const struct cx88_ctrl *cc = ctrl->priv;
 911        u32 value, mask;
 912
 913        mask = cc->mask;
 914        switch (ctrl->id) {
 915        case V4L2_CID_SATURATION:
 916                /* special v_sat handling */
 917
 918                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 919
 920                if (core->tvnorm & V4L2_STD_SECAM) {
 921                        /* For SECAM, both U and V sat should be equal */
 922                        value = value << 8 | value;
 923                } else {
 924                        /* Keeps U Saturation proportional to V Sat */
 925                        value = (value * 0x5a) / 0x7f << 8 | value;
 926                }
 927                mask = 0xffff;
 928                break;
 929        case V4L2_CID_SHARPNESS:
 930                /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
 931                value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
 932                /* needs to be set for both fields */
 933                cx_andor(MO_FILTER_EVEN, mask, value);
 934                break;
 935        case V4L2_CID_CHROMA_AGC:
 936                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 937                break;
 938        default:
 939                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 940                break;
 941        }
 942        dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 943                                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 944                                mask, cc->sreg ? " [shadowed]" : "");
 945        if (cc->sreg)
 946                cx_sandor(cc->sreg, cc->reg, mask, value);
 947        else
 948                cx_andor(cc->reg, mask, value);
 949        return 0;
 950}
 951
 952static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 953{
 954        struct cx88_core *core =
 955                container_of(ctrl->handler, struct cx88_core, audio_hdl);
 956        const struct cx88_ctrl *cc = ctrl->priv;
 957        u32 value,mask;
 958
 959        /* Pass changes onto any WM8775 */
 960        if (core->sd_wm8775) {
 961                switch (ctrl->id) {
 962                case V4L2_CID_AUDIO_MUTE:
 963                        wm8775_s_ctrl(core, ctrl->id, ctrl->val);
 964                        break;
 965                case V4L2_CID_AUDIO_VOLUME:
 966                        wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
 967                                                (0x90 + ctrl->val) << 8 : 0);
 968                        break;
 969                case V4L2_CID_AUDIO_BALANCE:
 970                        wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
 971                        break;
 972                default:
 973                        break;
 974                }
 975        }
 976
 977        mask = cc->mask;
 978        switch (ctrl->id) {
 979        case V4L2_CID_AUDIO_BALANCE:
 980                value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
 981                break;
 982        case V4L2_CID_AUDIO_VOLUME:
 983                value = 0x3f - (ctrl->val & 0x3f);
 984                break;
 985        default:
 986                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 987                break;
 988        }
 989        dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 990                                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 991                                mask, cc->sreg ? " [shadowed]" : "");
 992        if (cc->sreg)
 993                cx_sandor(cc->sreg, cc->reg, mask, value);
 994        else
 995                cx_andor(cc->reg, mask, value);
 996        return 0;
 997}
 998
 999/* ------------------------------------------------------------------ */
1000/* VIDEO IOCTLS                                                       */
1001
1002static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1003                                        struct v4l2_format *f)
1004{
1005        struct cx8800_fh  *fh   = priv;
1006        struct cx8800_dev *dev = fh->dev;
1007
1008        f->fmt.pix.width        = dev->width;
1009        f->fmt.pix.height       = dev->height;
1010        f->fmt.pix.field        = fh->vidq.field;
1011        f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1012        f->fmt.pix.bytesperline =
1013                (f->fmt.pix.width * dev->fmt->depth) >> 3;
1014        f->fmt.pix.sizeimage =
1015                f->fmt.pix.height * f->fmt.pix.bytesperline;
1016        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1017        return 0;
1018}
1019
1020static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1021                        struct v4l2_format *f)
1022{
1023        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1024        const struct cx8800_fmt *fmt;
1025        enum v4l2_field   field;
1026        unsigned int      maxw, maxh;
1027
1028        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1029        if (NULL == fmt)
1030                return -EINVAL;
1031
1032        field = f->fmt.pix.field;
1033        maxw  = norm_maxw(core->tvnorm);
1034        maxh  = norm_maxh(core->tvnorm);
1035
1036        if (V4L2_FIELD_ANY == field) {
1037                field = (f->fmt.pix.height > maxh/2)
1038                        ? V4L2_FIELD_INTERLACED
1039                        : V4L2_FIELD_BOTTOM;
1040        }
1041
1042        switch (field) {
1043        case V4L2_FIELD_TOP:
1044        case V4L2_FIELD_BOTTOM:
1045                maxh = maxh / 2;
1046                break;
1047        case V4L2_FIELD_INTERLACED:
1048                break;
1049        default:
1050                return -EINVAL;
1051        }
1052
1053        f->fmt.pix.field = field;
1054        v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1055                              &f->fmt.pix.height, 32, maxh, 0, 0);
1056        f->fmt.pix.bytesperline =
1057                (f->fmt.pix.width * fmt->depth) >> 3;
1058        f->fmt.pix.sizeimage =
1059                f->fmt.pix.height * f->fmt.pix.bytesperline;
1060
1061        return 0;
1062}
1063
1064static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1065                                        struct v4l2_format *f)
1066{
1067        struct cx8800_fh  *fh   = priv;
1068        struct cx8800_dev *dev = fh->dev;
1069        int err = vidioc_try_fmt_vid_cap (file,priv,f);
1070
1071        if (0 != err)
1072                return err;
1073        dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1074        dev->width      = f->fmt.pix.width;
1075        dev->height     = f->fmt.pix.height;
1076        fh->vidq.field = f->fmt.pix.field;
1077        return 0;
1078}
1079
1080void cx88_querycap(struct file *file, struct cx88_core *core,
1081                struct v4l2_capability *cap)
1082{
1083        struct video_device *vdev = video_devdata(file);
1084
1085        strlcpy(cap->card, core->board.name, sizeof(cap->card));
1086        cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1087        if (UNSET != core->board.tuner_type)
1088                cap->device_caps |= V4L2_CAP_TUNER;
1089        switch (vdev->vfl_type) {
1090        case VFL_TYPE_RADIO:
1091                cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1092                break;
1093        case VFL_TYPE_GRABBER:
1094                cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1095                break;
1096        case VFL_TYPE_VBI:
1097                cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1098                break;
1099        }
1100        cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1101                V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1102        if (core->board.radio.type == CX88_RADIO)
1103                cap->capabilities |= V4L2_CAP_RADIO;
1104}
1105EXPORT_SYMBOL(cx88_querycap);
1106
1107static int vidioc_querycap(struct file *file, void  *priv,
1108                                        struct v4l2_capability *cap)
1109{
1110        struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1111        struct cx88_core  *core = dev->core;
1112
1113        strcpy(cap->driver, "cx8800");
1114        sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1115        cx88_querycap(file, core, cap);
1116        return 0;
1117}
1118
1119static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1120                                        struct v4l2_fmtdesc *f)
1121{
1122        if (unlikely(f->index >= ARRAY_SIZE(formats)))
1123                return -EINVAL;
1124
1125        strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1126        f->pixelformat = formats[f->index].fourcc;
1127
1128        return 0;
1129}
1130
1131static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1132{
1133        return videobuf_reqbufs(get_queue(file), p);
1134}
1135
1136static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1137{
1138        return videobuf_querybuf(get_queue(file), p);
1139}
1140
1141static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1142{
1143        return videobuf_qbuf(get_queue(file), p);
1144}
1145
1146static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1147{
1148        return videobuf_dqbuf(get_queue(file), p,
1149                                file->f_flags & O_NONBLOCK);
1150}
1151
1152static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1153{
1154        struct video_device *vdev = video_devdata(file);
1155        struct cx8800_fh  *fh   = priv;
1156        struct cx8800_dev *dev  = fh->dev;
1157
1158        if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1159            (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1160                return -EINVAL;
1161
1162        if (unlikely(!res_get(dev, fh, get_resource(file))))
1163                return -EBUSY;
1164        return videobuf_streamon(get_queue(file));
1165}
1166
1167static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1168{
1169        struct video_device *vdev = video_devdata(file);
1170        struct cx8800_fh  *fh   = priv;
1171        struct cx8800_dev *dev  = fh->dev;
1172        int               err, res;
1173
1174        if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1175            (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1176                return -EINVAL;
1177
1178        res = get_resource(file);
1179        err = videobuf_streamoff(get_queue(file));
1180        if (err < 0)
1181                return err;
1182        res_free(dev,fh,res);
1183        return 0;
1184}
1185
1186static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1187{
1188        struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1189
1190        *tvnorm = core->tvnorm;
1191        return 0;
1192}
1193
1194static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
1195{
1196        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1197
1198        mutex_lock(&core->lock);
1199        cx88_set_tvnorm(core, tvnorms);
1200        mutex_unlock(&core->lock);
1201
1202        return 0;
1203}
1204
1205/* only one input in this sample driver */
1206int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1207{
1208        static const char * const iname[] = {
1209                [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1210                [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1211                [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1212                [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1213                [ CX88_VMUX_SVIDEO     ] = "S-Video",
1214                [ CX88_VMUX_TELEVISION ] = "Television",
1215                [ CX88_VMUX_CABLE      ] = "Cable TV",
1216                [ CX88_VMUX_DVB        ] = "DVB",
1217                [ CX88_VMUX_DEBUG      ] = "for debug only",
1218        };
1219        unsigned int n = i->index;
1220
1221        if (n >= 4)
1222                return -EINVAL;
1223        if (0 == INPUT(n).type)
1224                return -EINVAL;
1225        i->type  = V4L2_INPUT_TYPE_CAMERA;
1226        strcpy(i->name,iname[INPUT(n).type]);
1227        if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1228            (CX88_VMUX_CABLE      == INPUT(n).type)) {
1229                i->type = V4L2_INPUT_TYPE_TUNER;
1230        }
1231        i->std = CX88_NORMS;
1232        return 0;
1233}
1234EXPORT_SYMBOL(cx88_enum_input);
1235
1236static int vidioc_enum_input (struct file *file, void *priv,
1237                                struct v4l2_input *i)
1238{
1239        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1240        return cx88_enum_input (core,i);
1241}
1242
1243static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1244{
1245        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1246
1247        *i = core->input;
1248        return 0;
1249}
1250
1251static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1252{
1253        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1254
1255        if (i >= 4)
1256                return -EINVAL;
1257        if (0 == INPUT(i).type)
1258                return -EINVAL;
1259
1260        mutex_lock(&core->lock);
1261        cx88_newstation(core);
1262        cx88_video_mux(core,i);
1263        mutex_unlock(&core->lock);
1264        return 0;
1265}
1266
1267static int vidioc_g_tuner (struct file *file, void *priv,
1268                                struct v4l2_tuner *t)
1269{
1270        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1271        u32 reg;
1272
1273        if (unlikely(UNSET == core->board.tuner_type))
1274                return -EINVAL;
1275        if (0 != t->index)
1276                return -EINVAL;
1277
1278        strcpy(t->name, "Television");
1279        t->capability = V4L2_TUNER_CAP_NORM;
1280        t->rangehigh  = 0xffffffffUL;
1281        call_all(core, tuner, g_tuner, t);
1282
1283        cx88_get_stereo(core ,t);
1284        reg = cx_read(MO_DEVICE_STATUS);
1285        t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1286        return 0;
1287}
1288
1289static int vidioc_s_tuner (struct file *file, void *priv,
1290                                const struct v4l2_tuner *t)
1291{
1292        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1293
1294        if (UNSET == core->board.tuner_type)
1295                return -EINVAL;
1296        if (0 != t->index)
1297                return -EINVAL;
1298
1299        cx88_set_stereo(core, t->audmode, 1);
1300        return 0;
1301}
1302
1303static int vidioc_g_frequency (struct file *file, void *priv,
1304                                struct v4l2_frequency *f)
1305{
1306        struct cx8800_fh  *fh   = priv;
1307        struct cx88_core  *core = fh->dev->core;
1308
1309        if (unlikely(UNSET == core->board.tuner_type))
1310                return -EINVAL;
1311        if (f->tuner)
1312                return -EINVAL;
1313
1314        f->frequency = core->freq;
1315
1316        call_all(core, tuner, g_frequency, f);
1317
1318        return 0;
1319}
1320
1321int cx88_set_freq (struct cx88_core  *core,
1322                                const struct v4l2_frequency *f)
1323{
1324        struct v4l2_frequency new_freq = *f;
1325
1326        if (unlikely(UNSET == core->board.tuner_type))
1327                return -EINVAL;
1328        if (unlikely(f->tuner != 0))
1329                return -EINVAL;
1330
1331        mutex_lock(&core->lock);
1332        cx88_newstation(core);
1333        call_all(core, tuner, s_frequency, f);
1334        call_all(core, tuner, g_frequency, &new_freq);
1335        core->freq = new_freq.frequency;
1336
1337        /* When changing channels it is required to reset TVAUDIO */
1338        msleep (10);
1339        cx88_set_tvaudio(core);
1340
1341        mutex_unlock(&core->lock);
1342
1343        return 0;
1344}
1345EXPORT_SYMBOL(cx88_set_freq);
1346
1347static int vidioc_s_frequency (struct file *file, void *priv,
1348                                const struct v4l2_frequency *f)
1349{
1350        struct cx8800_fh  *fh   = priv;
1351        struct cx88_core  *core = fh->dev->core;
1352
1353        return cx88_set_freq(core, f);
1354}
1355
1356static int vidioc_g_chip_ident(struct file *file, void *priv,
1357                                struct v4l2_dbg_chip_ident *chip)
1358{
1359        if (!v4l2_chip_match_host(&chip->match))
1360                return -EINVAL;
1361        chip->revision = 0;
1362        chip->ident = V4L2_IDENT_UNKNOWN;
1363        return 0;
1364}
1365
1366#ifdef CONFIG_VIDEO_ADV_DEBUG
1367static int vidioc_g_register (struct file *file, void *fh,
1368                                struct v4l2_dbg_register *reg)
1369{
1370        struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1371
1372        if (!v4l2_chip_match_host(&reg->match))
1373                return -EINVAL;
1374        /* cx2388x has a 24-bit register space */
1375        reg->val = cx_read(reg->reg & 0xffffff);
1376        reg->size = 4;
1377        return 0;
1378}
1379
1380static int vidioc_s_register (struct file *file, void *fh,
1381                                const struct v4l2_dbg_register *reg)
1382{
1383        struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1384
1385        if (!v4l2_chip_match_host(&reg->match))
1386                return -EINVAL;
1387        cx_write(reg->reg & 0xffffff, reg->val);
1388        return 0;
1389}
1390#endif
1391
1392/* ----------------------------------------------------------- */
1393/* RADIO ESPECIFIC IOCTLS                                      */
1394/* ----------------------------------------------------------- */
1395
1396static int radio_g_tuner (struct file *file, void *priv,
1397                                struct v4l2_tuner *t)
1398{
1399        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1400
1401        if (unlikely(t->index > 0))
1402                return -EINVAL;
1403
1404        strcpy(t->name, "Radio");
1405
1406        call_all(core, tuner, g_tuner, t);
1407        return 0;
1408}
1409
1410static int radio_s_tuner (struct file *file, void *priv,
1411                                const struct v4l2_tuner *t)
1412{
1413        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1414
1415        if (0 != t->index)
1416                return -EINVAL;
1417
1418        call_all(core, tuner, s_tuner, t);
1419        return 0;
1420}
1421
1422/* ----------------------------------------------------------- */
1423
1424static void cx8800_vid_timeout(unsigned long data)
1425{
1426        struct cx8800_dev *dev = (struct cx8800_dev*)data;
1427        struct cx88_core *core = dev->core;
1428        struct cx88_dmaqueue *q = &dev->vidq;
1429        struct cx88_buffer *buf;
1430        unsigned long flags;
1431
1432        cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1433
1434        cx_clear(MO_VID_DMACNTRL, 0x11);
1435        cx_clear(VID_CAPTURE_CONTROL, 0x06);
1436
1437        spin_lock_irqsave(&dev->slock,flags);
1438        while (!list_empty(&q->active)) {
1439                buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1440                list_del(&buf->vb.queue);
1441                buf->vb.state = VIDEOBUF_ERROR;
1442                wake_up(&buf->vb.done);
1443                printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1444                       buf, buf->vb.i, (unsigned long)buf->risc.dma);
1445        }
1446        restart_video_queue(dev,q);
1447        spin_unlock_irqrestore(&dev->slock,flags);
1448}
1449
1450static const char *cx88_vid_irqs[32] = {
1451        "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1452        "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1453        "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1454        "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1455        "opc_err",  "par_err",  "rip_err",  "pci_abort",
1456};
1457
1458static void cx8800_vid_irq(struct cx8800_dev *dev)
1459{
1460        struct cx88_core *core = dev->core;
1461        u32 status, mask, count;
1462
1463        status = cx_read(MO_VID_INTSTAT);
1464        mask   = cx_read(MO_VID_INTMSK);
1465        if (0 == (status & mask))
1466                return;
1467        cx_write(MO_VID_INTSTAT, status);
1468        if (irq_debug  ||  (status & mask & ~0xff))
1469                cx88_print_irqbits(core->name, "irq vid",
1470                                   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1471                                   status, mask);
1472
1473        /* risc op code error */
1474        if (status & (1 << 16)) {
1475                printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1476                cx_clear(MO_VID_DMACNTRL, 0x11);
1477                cx_clear(VID_CAPTURE_CONTROL, 0x06);
1478                cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1479        }
1480
1481        /* risc1 y */
1482        if (status & 0x01) {
1483                spin_lock(&dev->slock);
1484                count = cx_read(MO_VIDY_GPCNT);
1485                cx88_wakeup(core, &dev->vidq, count);
1486                spin_unlock(&dev->slock);
1487        }
1488
1489        /* risc1 vbi */
1490        if (status & 0x08) {
1491                spin_lock(&dev->slock);
1492                count = cx_read(MO_VBI_GPCNT);
1493                cx88_wakeup(core, &dev->vbiq, count);
1494                spin_unlock(&dev->slock);
1495        }
1496
1497        /* risc2 y */
1498        if (status & 0x10) {
1499                dprintk(2,"stopper video\n");
1500                spin_lock(&dev->slock);
1501                restart_video_queue(dev,&dev->vidq);
1502                spin_unlock(&dev->slock);
1503        }
1504
1505        /* risc2 vbi */
1506        if (status & 0x80) {
1507                dprintk(2,"stopper vbi\n");
1508                spin_lock(&dev->slock);
1509                cx8800_restart_vbi_queue(dev,&dev->vbiq);
1510                spin_unlock(&dev->slock);
1511        }
1512}
1513
1514static irqreturn_t cx8800_irq(int irq, void *dev_id)
1515{
1516        struct cx8800_dev *dev = dev_id;
1517        struct cx88_core *core = dev->core;
1518        u32 status;
1519        int loop, handled = 0;
1520
1521        for (loop = 0; loop < 10; loop++) {
1522                status = cx_read(MO_PCI_INTSTAT) &
1523                        (core->pci_irqmask | PCI_INT_VIDINT);
1524                if (0 == status)
1525                        goto out;
1526                cx_write(MO_PCI_INTSTAT, status);
1527                handled = 1;
1528
1529                if (status & core->pci_irqmask)
1530                        cx88_core_irq(core,status);
1531                if (status & PCI_INT_VIDINT)
1532                        cx8800_vid_irq(dev);
1533        }
1534        if (10 == loop) {
1535                printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1536                       core->name);
1537                cx_write(MO_PCI_INTMSK,0);
1538        }
1539
1540 out:
1541        return IRQ_RETVAL(handled);
1542}
1543
1544/* ----------------------------------------------------------- */
1545/* exported stuff                                              */
1546
1547static const struct v4l2_file_operations video_fops =
1548{
1549        .owner         = THIS_MODULE,
1550        .open          = video_open,
1551        .release       = video_release,
1552        .read          = video_read,
1553        .poll          = video_poll,
1554        .mmap          = video_mmap,
1555        .unlocked_ioctl = video_ioctl2,
1556};
1557
1558static const struct v4l2_ioctl_ops video_ioctl_ops = {
1559        .vidioc_querycap      = vidioc_querycap,
1560        .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1561        .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1562        .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1563        .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1564        .vidioc_reqbufs       = vidioc_reqbufs,
1565        .vidioc_querybuf      = vidioc_querybuf,
1566        .vidioc_qbuf          = vidioc_qbuf,
1567        .vidioc_dqbuf         = vidioc_dqbuf,
1568        .vidioc_g_std         = vidioc_g_std,
1569        .vidioc_s_std         = vidioc_s_std,
1570        .vidioc_enum_input    = vidioc_enum_input,
1571        .vidioc_g_input       = vidioc_g_input,
1572        .vidioc_s_input       = vidioc_s_input,
1573        .vidioc_streamon      = vidioc_streamon,
1574        .vidioc_streamoff     = vidioc_streamoff,
1575        .vidioc_g_tuner       = vidioc_g_tuner,
1576        .vidioc_s_tuner       = vidioc_s_tuner,
1577        .vidioc_g_frequency   = vidioc_g_frequency,
1578        .vidioc_s_frequency   = vidioc_s_frequency,
1579        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1580        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1581        .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1582#ifdef CONFIG_VIDEO_ADV_DEBUG
1583        .vidioc_g_register    = vidioc_g_register,
1584        .vidioc_s_register    = vidioc_s_register,
1585#endif
1586};
1587
1588static const struct video_device cx8800_video_template = {
1589        .name                 = "cx8800-video",
1590        .fops                 = &video_fops,
1591        .ioctl_ops            = &video_ioctl_ops,
1592        .tvnorms              = CX88_NORMS,
1593};
1594
1595static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1596        .vidioc_querycap      = vidioc_querycap,
1597        .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1598        .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1599        .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1600        .vidioc_reqbufs       = vidioc_reqbufs,
1601        .vidioc_querybuf      = vidioc_querybuf,
1602        .vidioc_qbuf          = vidioc_qbuf,
1603        .vidioc_dqbuf         = vidioc_dqbuf,
1604        .vidioc_g_std         = vidioc_g_std,
1605        .vidioc_s_std         = vidioc_s_std,
1606        .vidioc_enum_input    = vidioc_enum_input,
1607        .vidioc_g_input       = vidioc_g_input,
1608        .vidioc_s_input       = vidioc_s_input,
1609        .vidioc_streamon      = vidioc_streamon,
1610        .vidioc_streamoff     = vidioc_streamoff,
1611        .vidioc_g_tuner       = vidioc_g_tuner,
1612        .vidioc_s_tuner       = vidioc_s_tuner,
1613        .vidioc_g_frequency   = vidioc_g_frequency,
1614        .vidioc_s_frequency   = vidioc_s_frequency,
1615        .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1616#ifdef CONFIG_VIDEO_ADV_DEBUG
1617        .vidioc_g_register    = vidioc_g_register,
1618        .vidioc_s_register    = vidioc_s_register,
1619#endif
1620};
1621
1622static const struct video_device cx8800_vbi_template = {
1623        .name                 = "cx8800-vbi",
1624        .fops                 = &video_fops,
1625        .ioctl_ops            = &vbi_ioctl_ops,
1626        .tvnorms              = CX88_NORMS,
1627};
1628
1629static const struct v4l2_file_operations radio_fops =
1630{
1631        .owner         = THIS_MODULE,
1632        .open          = video_open,
1633        .poll          = v4l2_ctrl_poll,
1634        .release       = video_release,
1635        .unlocked_ioctl = video_ioctl2,
1636};
1637
1638static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1639        .vidioc_querycap      = vidioc_querycap,
1640        .vidioc_g_tuner       = radio_g_tuner,
1641        .vidioc_s_tuner       = radio_s_tuner,
1642        .vidioc_g_frequency   = vidioc_g_frequency,
1643        .vidioc_s_frequency   = vidioc_s_frequency,
1644        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1645        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1646        .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1647#ifdef CONFIG_VIDEO_ADV_DEBUG
1648        .vidioc_g_register    = vidioc_g_register,
1649        .vidioc_s_register    = vidioc_s_register,
1650#endif
1651};
1652
1653static const struct video_device cx8800_radio_template = {
1654        .name                 = "cx8800-radio",
1655        .fops                 = &radio_fops,
1656        .ioctl_ops            = &radio_ioctl_ops,
1657};
1658
1659static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1660        .s_ctrl = cx8800_s_vid_ctrl,
1661};
1662
1663static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1664        .s_ctrl = cx8800_s_aud_ctrl,
1665};
1666
1667/* ----------------------------------------------------------- */
1668
1669static void cx8800_unregister_video(struct cx8800_dev *dev)
1670{
1671        if (dev->radio_dev) {
1672                if (video_is_registered(dev->radio_dev))
1673                        video_unregister_device(dev->radio_dev);
1674                else
1675                        video_device_release(dev->radio_dev);
1676                dev->radio_dev = NULL;
1677        }
1678        if (dev->vbi_dev) {
1679                if (video_is_registered(dev->vbi_dev))
1680                        video_unregister_device(dev->vbi_dev);
1681                else
1682                        video_device_release(dev->vbi_dev);
1683                dev->vbi_dev = NULL;
1684        }
1685        if (dev->video_dev) {
1686                if (video_is_registered(dev->video_dev))
1687                        video_unregister_device(dev->video_dev);
1688                else
1689                        video_device_release(dev->video_dev);
1690                dev->video_dev = NULL;
1691        }
1692}
1693
1694static int cx8800_initdev(struct pci_dev *pci_dev,
1695                          const struct pci_device_id *pci_id)
1696{
1697        struct cx8800_dev *dev;
1698        struct cx88_core *core;
1699        int err;
1700        int i;
1701
1702        dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1703        if (NULL == dev)
1704                return -ENOMEM;
1705
1706        /* pci init */
1707        dev->pci = pci_dev;
1708        if (pci_enable_device(pci_dev)) {
1709                err = -EIO;
1710                goto fail_free;
1711        }
1712        core = cx88_core_get(dev->pci);
1713        if (NULL == core) {
1714                err = -EINVAL;
1715                goto fail_free;
1716        }
1717        dev->core = core;
1718
1719        /* print pci info */
1720        dev->pci_rev = pci_dev->revision;
1721        pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1722        printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1723               "latency: %d, mmio: 0x%llx\n", core->name,
1724               pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1725               dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1726
1727        pci_set_master(pci_dev);
1728        if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1729                printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1730                err = -EIO;
1731                goto fail_core;
1732        }
1733
1734        /* initialize driver struct */
1735        spin_lock_init(&dev->slock);
1736        core->tvnorm = V4L2_STD_NTSC_M;
1737
1738        /* init video dma queues */
1739        INIT_LIST_HEAD(&dev->vidq.active);
1740        INIT_LIST_HEAD(&dev->vidq.queued);
1741        dev->vidq.timeout.function = cx8800_vid_timeout;
1742        dev->vidq.timeout.data     = (unsigned long)dev;
1743        init_timer(&dev->vidq.timeout);
1744        cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1745                          MO_VID_DMACNTRL,0x11,0x00);
1746
1747        /* init vbi dma queues */
1748        INIT_LIST_HEAD(&dev->vbiq.active);
1749        INIT_LIST_HEAD(&dev->vbiq.queued);
1750        dev->vbiq.timeout.function = cx8800_vbi_timeout;
1751        dev->vbiq.timeout.data     = (unsigned long)dev;
1752        init_timer(&dev->vbiq.timeout);
1753        cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1754                          MO_VID_DMACNTRL,0x88,0x00);
1755
1756        /* get irq */
1757        err = request_irq(pci_dev->irq, cx8800_irq,
1758                          IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1759        if (err < 0) {
1760                printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1761                       core->name,pci_dev->irq);
1762                goto fail_core;
1763        }
1764        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1765
1766        for (i = 0; i < CX8800_AUD_CTLS; i++) {
1767                const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1768                struct v4l2_ctrl *vc;
1769
1770                vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1771                        cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1772                if (vc == NULL) {
1773                        err = core->audio_hdl.error;
1774                        goto fail_core;
1775                }
1776                vc->priv = (void *)cc;
1777        }
1778
1779        for (i = 0; i < CX8800_VID_CTLS; i++) {
1780                const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1781                struct v4l2_ctrl *vc;
1782
1783                vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1784                        cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1785                if (vc == NULL) {
1786                        err = core->video_hdl.error;
1787                        goto fail_core;
1788                }
1789                vc->priv = (void *)cc;
1790                if (vc->id == V4L2_CID_CHROMA_AGC)
1791                        core->chroma_agc = vc;
1792        }
1793        v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1794
1795        /* load and configure helper modules */
1796
1797        if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1798                struct i2c_board_info wm8775_info = {
1799                        .type = "wm8775",
1800                        .addr = 0x36 >> 1,
1801                        .platform_data = &core->wm8775_data,
1802                };
1803                struct v4l2_subdev *sd;
1804
1805                if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1806                        core->wm8775_data.is_nova_s = true;
1807                else
1808                        core->wm8775_data.is_nova_s = false;
1809
1810                sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1811                                &wm8775_info, NULL);
1812                if (sd != NULL) {
1813                        core->sd_wm8775 = sd;
1814                        sd->grp_id = WM8775_GID;
1815                }
1816        }
1817
1818        if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1819                /* This probes for a tda9874 as is used on some
1820                   Pixelview Ultra boards. */
1821                v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1822                                "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1823        }
1824
1825        switch (core->boardnr) {
1826        case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1827        case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1828                static const struct i2c_board_info rtc_info = {
1829                        I2C_BOARD_INFO("isl1208", 0x6f)
1830                };
1831
1832                request_module("rtc-isl1208");
1833                core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1834        }
1835                /* break intentionally omitted */
1836        case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1837                request_module("ir-kbd-i2c");
1838        }
1839
1840        /* Sets device info at pci_dev */
1841        pci_set_drvdata(pci_dev, dev);
1842
1843        dev->width   = 320;
1844        dev->height  = 240;
1845        dev->fmt     = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1846
1847        /* initial device configuration */
1848        mutex_lock(&core->lock);
1849        cx88_set_tvnorm(core, core->tvnorm);
1850        v4l2_ctrl_handler_setup(&core->video_hdl);
1851        v4l2_ctrl_handler_setup(&core->audio_hdl);
1852        cx88_video_mux(core, 0);
1853
1854        /* register v4l devices */
1855        dev->video_dev = cx88_vdev_init(core,dev->pci,
1856                                        &cx8800_video_template,"video");
1857        video_set_drvdata(dev->video_dev, dev);
1858        dev->video_dev->ctrl_handler = &core->video_hdl;
1859        err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1860                                    video_nr[core->nr]);
1861        if (err < 0) {
1862                printk(KERN_ERR "%s/0: can't register video device\n",
1863                       core->name);
1864                goto fail_unreg;
1865        }
1866        printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1867               core->name, video_device_node_name(dev->video_dev));
1868
1869        dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1870        video_set_drvdata(dev->vbi_dev, dev);
1871        err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1872                                    vbi_nr[core->nr]);
1873        if (err < 0) {
1874                printk(KERN_ERR "%s/0: can't register vbi device\n",
1875                       core->name);
1876                goto fail_unreg;
1877        }
1878        printk(KERN_INFO "%s/0: registered device %s\n",
1879               core->name, video_device_node_name(dev->vbi_dev));
1880
1881        if (core->board.radio.type == CX88_RADIO) {
1882                dev->radio_dev = cx88_vdev_init(core,dev->pci,
1883                                                &cx8800_radio_template,"radio");
1884                video_set_drvdata(dev->radio_dev, dev);
1885                dev->radio_dev->ctrl_handler = &core->audio_hdl;
1886                err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1887                                            radio_nr[core->nr]);
1888                if (err < 0) {
1889                        printk(KERN_ERR "%s/0: can't register radio device\n",
1890                               core->name);
1891                        goto fail_unreg;
1892                }
1893                printk(KERN_INFO "%s/0: registered device %s\n",
1894                       core->name, video_device_node_name(dev->radio_dev));
1895        }
1896
1897        /* start tvaudio thread */
1898        if (core->board.tuner_type != TUNER_ABSENT) {
1899                core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1900                if (IS_ERR(core->kthread)) {
1901                        err = PTR_ERR(core->kthread);
1902                        printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1903                               core->name, err);
1904                }
1905        }
1906        mutex_unlock(&core->lock);
1907
1908        return 0;
1909
1910fail_unreg:
1911        cx8800_unregister_video(dev);
1912        free_irq(pci_dev->irq, dev);
1913        mutex_unlock(&core->lock);
1914fail_core:
1915        cx88_core_put(core,dev->pci);
1916fail_free:
1917        kfree(dev);
1918        return err;
1919}
1920
1921static void cx8800_finidev(struct pci_dev *pci_dev)
1922{
1923        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1924        struct cx88_core *core = dev->core;
1925
1926        /* stop thread */
1927        if (core->kthread) {
1928                kthread_stop(core->kthread);
1929                core->kthread = NULL;
1930        }
1931
1932        if (core->ir)
1933                cx88_ir_stop(core);
1934
1935        cx88_shutdown(core); /* FIXME */
1936        pci_disable_device(pci_dev);
1937
1938        /* unregister stuff */
1939
1940        free_irq(pci_dev->irq, dev);
1941        cx8800_unregister_video(dev);
1942        pci_set_drvdata(pci_dev, NULL);
1943
1944        /* free memory */
1945        btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1946        cx88_core_put(core,dev->pci);
1947        kfree(dev);
1948}
1949
1950#ifdef CONFIG_PM
1951static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1952{
1953        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1954        struct cx88_core *core = dev->core;
1955        unsigned long flags;
1956
1957        /* stop video+vbi capture */
1958        spin_lock_irqsave(&dev->slock, flags);
1959        if (!list_empty(&dev->vidq.active)) {
1960                printk("%s/0: suspend video\n", core->name);
1961                stop_video_dma(dev);
1962                del_timer(&dev->vidq.timeout);
1963        }
1964        if (!list_empty(&dev->vbiq.active)) {
1965                printk("%s/0: suspend vbi\n", core->name);
1966                cx8800_stop_vbi_dma(dev);
1967                del_timer(&dev->vbiq.timeout);
1968        }
1969        spin_unlock_irqrestore(&dev->slock, flags);
1970
1971        if (core->ir)
1972                cx88_ir_stop(core);
1973        /* FIXME -- shutdown device */
1974        cx88_shutdown(core);
1975
1976        pci_save_state(pci_dev);
1977        if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1978                pci_disable_device(pci_dev);
1979                dev->state.disabled = 1;
1980        }
1981        return 0;
1982}
1983
1984static int cx8800_resume(struct pci_dev *pci_dev)
1985{
1986        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1987        struct cx88_core *core = dev->core;
1988        unsigned long flags;
1989        int err;
1990
1991        if (dev->state.disabled) {
1992                err=pci_enable_device(pci_dev);
1993                if (err) {
1994                        printk(KERN_ERR "%s/0: can't enable device\n",
1995                               core->name);
1996                        return err;
1997                }
1998
1999                dev->state.disabled = 0;
2000        }
2001        err= pci_set_power_state(pci_dev, PCI_D0);
2002        if (err) {
2003                printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2004                pci_disable_device(pci_dev);
2005                dev->state.disabled = 1;
2006
2007                return err;
2008        }
2009        pci_restore_state(pci_dev);
2010
2011        /* FIXME: re-initialize hardware */
2012        cx88_reset(core);
2013        if (core->ir)
2014                cx88_ir_start(core);
2015
2016        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2017
2018        /* restart video+vbi capture */
2019        spin_lock_irqsave(&dev->slock, flags);
2020        if (!list_empty(&dev->vidq.active)) {
2021                printk("%s/0: resume video\n", core->name);
2022                restart_video_queue(dev,&dev->vidq);
2023        }
2024        if (!list_empty(&dev->vbiq.active)) {
2025                printk("%s/0: resume vbi\n", core->name);
2026                cx8800_restart_vbi_queue(dev,&dev->vbiq);
2027        }
2028        spin_unlock_irqrestore(&dev->slock, flags);
2029
2030        return 0;
2031}
2032#endif
2033
2034/* ----------------------------------------------------------- */
2035
2036static const struct pci_device_id cx8800_pci_tbl[] = {
2037        {
2038                .vendor       = 0x14f1,
2039                .device       = 0x8800,
2040                .subvendor    = PCI_ANY_ID,
2041                .subdevice    = PCI_ANY_ID,
2042        },{
2043                /* --- end of list --- */
2044        }
2045};
2046MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2047
2048static struct pci_driver cx8800_pci_driver = {
2049        .name     = "cx8800",
2050        .id_table = cx8800_pci_tbl,
2051        .probe    = cx8800_initdev,
2052        .remove   = cx8800_finidev,
2053#ifdef CONFIG_PM
2054        .suspend  = cx8800_suspend,
2055        .resume   = cx8800_resume,
2056#endif
2057};
2058
2059static int __init cx8800_init(void)
2060{
2061        printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n",
2062               CX88_VERSION);
2063        return pci_register_driver(&cx8800_pci_driver);
2064}
2065
2066static void __exit cx8800_fini(void)
2067{
2068        pci_unregister_driver(&cx8800_pci_driver);
2069}
2070
2071module_init(cx8800_init);
2072module_exit(cx8800_fini);
2073