linux/drivers/media/pci/cx88/cx88-video.c
<<
>>
Prefs
   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->board.audio_chip &&
 389                    core->board.audio_chip == V4L2_IDENT_WM8775) {
 390                        call_all(core, audio, s_routing,
 391                                 INPUT(input).audioroute, 0, 0);
 392                }
 393                /* cx2388's C-ADC is connected to the tuner only.
 394                   When used with S-Video, that ADC is busy dealing with
 395                   chroma, so an external must be used for baseband audio */
 396                if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 397                    INPUT(input).type != CX88_VMUX_CABLE) {
 398                        /* "I2S ADC mode" */
 399                        core->tvaudio = WW_I2SADC;
 400                        cx88_set_tvaudio(core);
 401                } else {
 402                        /* Normal mode */
 403                        cx_write(AUD_I2SCNTL, 0x0);
 404                        cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 405                }
 406        }
 407
 408        return 0;
 409}
 410EXPORT_SYMBOL(cx88_video_mux);
 411
 412/* ------------------------------------------------------------------ */
 413
 414static int start_video_dma(struct cx8800_dev    *dev,
 415                           struct cx88_dmaqueue *q,
 416                           struct cx88_buffer   *buf)
 417{
 418        struct cx88_core *core = dev->core;
 419
 420        /* setup fifo + format */
 421        cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 422                                buf->bpl, buf->risc.dma);
 423        cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 424        cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 425
 426        /* reset counter */
 427        cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 428        q->count = 1;
 429
 430        /* enable irqs */
 431        cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 432
 433        /* Enables corresponding bits at PCI_INT_STAT:
 434                bits 0 to 4: video, audio, transport stream, VIP, Host
 435                bit 7: timer
 436                bits 8 and 9: DMA complete for: SRC, DST
 437                bits 10 and 11: BERR signal asserted for RISC: RD, WR
 438                bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 439         */
 440        cx_set(MO_VID_INTMSK, 0x0f0011);
 441
 442        /* enable capture */
 443        cx_set(VID_CAPTURE_CONTROL,0x06);
 444
 445        /* start dma */
 446        cx_set(MO_DEV_CNTRL2, (1<<5));
 447        cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 448
 449        return 0;
 450}
 451
 452#ifdef CONFIG_PM
 453static int stop_video_dma(struct cx8800_dev    *dev)
 454{
 455        struct cx88_core *core = dev->core;
 456
 457        /* stop dma */
 458        cx_clear(MO_VID_DMACNTRL, 0x11);
 459
 460        /* disable capture */
 461        cx_clear(VID_CAPTURE_CONTROL,0x06);
 462
 463        /* disable irqs */
 464        cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 465        cx_clear(MO_VID_INTMSK, 0x0f0011);
 466        return 0;
 467}
 468#endif
 469
 470static int restart_video_queue(struct cx8800_dev    *dev,
 471                               struct cx88_dmaqueue *q)
 472{
 473        struct cx88_core *core = dev->core;
 474        struct cx88_buffer *buf, *prev;
 475
 476        if (!list_empty(&q->active)) {
 477                buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 478                dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 479                        buf, buf->vb.i);
 480                start_video_dma(dev, q, buf);
 481                list_for_each_entry(buf, &q->active, vb.queue)
 482                        buf->count = q->count++;
 483                mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 484                return 0;
 485        }
 486
 487        prev = NULL;
 488        for (;;) {
 489                if (list_empty(&q->queued))
 490                        return 0;
 491                buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 492                if (NULL == prev) {
 493                        list_move_tail(&buf->vb.queue, &q->active);
 494                        start_video_dma(dev, q, buf);
 495                        buf->vb.state = VIDEOBUF_ACTIVE;
 496                        buf->count    = q->count++;
 497                        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 498                        dprintk(2,"[%p/%d] restart_queue - first active\n",
 499                                buf,buf->vb.i);
 500
 501                } else if (prev->vb.width  == buf->vb.width  &&
 502                           prev->vb.height == buf->vb.height &&
 503                           prev->fmt       == buf->fmt) {
 504                        list_move_tail(&buf->vb.queue, &q->active);
 505                        buf->vb.state = VIDEOBUF_ACTIVE;
 506                        buf->count    = q->count++;
 507                        prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 508                        dprintk(2,"[%p/%d] restart_queue - move to active\n",
 509                                buf,buf->vb.i);
 510                } else {
 511                        return 0;
 512                }
 513                prev = buf;
 514        }
 515}
 516
 517/* ------------------------------------------------------------------ */
 518
 519static int
 520buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 521{
 522        struct cx8800_fh *fh = q->priv_data;
 523        struct cx8800_dev  *dev = fh->dev;
 524
 525        *size = dev->fmt->depth * dev->width * dev->height >> 3;
 526        if (0 == *count)
 527                *count = 32;
 528        if (*size * *count > vid_limit * 1024 * 1024)
 529                *count = (vid_limit * 1024 * 1024) / *size;
 530        return 0;
 531}
 532
 533static int
 534buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 535               enum v4l2_field field)
 536{
 537        struct cx8800_fh   *fh  = q->priv_data;
 538        struct cx8800_dev  *dev = fh->dev;
 539        struct cx88_core *core = dev->core;
 540        struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 541        struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 542        int rc, init_buffer = 0;
 543
 544        BUG_ON(NULL == dev->fmt);
 545        if (dev->width  < 48 || dev->width  > norm_maxw(core->tvnorm) ||
 546            dev->height < 32 || dev->height > norm_maxh(core->tvnorm))
 547                return -EINVAL;
 548        buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
 549        if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 550                return -EINVAL;
 551
 552        if (buf->fmt       != dev->fmt    ||
 553            buf->vb.width  != dev->width  ||
 554            buf->vb.height != dev->height ||
 555            buf->vb.field  != field) {
 556                buf->fmt       = dev->fmt;
 557                buf->vb.width  = dev->width;
 558                buf->vb.height = dev->height;
 559                buf->vb.field  = field;
 560                init_buffer = 1;
 561        }
 562
 563        if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 564                init_buffer = 1;
 565                if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 566                        goto fail;
 567        }
 568
 569        if (init_buffer) {
 570                buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 571                switch (buf->vb.field) {
 572                case V4L2_FIELD_TOP:
 573                        cx88_risc_buffer(dev->pci, &buf->risc,
 574                                         dma->sglist, 0, UNSET,
 575                                         buf->bpl, 0, buf->vb.height);
 576                        break;
 577                case V4L2_FIELD_BOTTOM:
 578                        cx88_risc_buffer(dev->pci, &buf->risc,
 579                                         dma->sglist, UNSET, 0,
 580                                         buf->bpl, 0, buf->vb.height);
 581                        break;
 582                case V4L2_FIELD_INTERLACED:
 583                        cx88_risc_buffer(dev->pci, &buf->risc,
 584                                         dma->sglist, 0, buf->bpl,
 585                                         buf->bpl, buf->bpl,
 586                                         buf->vb.height >> 1);
 587                        break;
 588                case V4L2_FIELD_SEQ_TB:
 589                        cx88_risc_buffer(dev->pci, &buf->risc,
 590                                         dma->sglist,
 591                                         0, buf->bpl * (buf->vb.height >> 1),
 592                                         buf->bpl, 0,
 593                                         buf->vb.height >> 1);
 594                        break;
 595                case V4L2_FIELD_SEQ_BT:
 596                        cx88_risc_buffer(dev->pci, &buf->risc,
 597                                         dma->sglist,
 598                                         buf->bpl * (buf->vb.height >> 1), 0,
 599                                         buf->bpl, 0,
 600                                         buf->vb.height >> 1);
 601                        break;
 602                default:
 603                        BUG();
 604                }
 605        }
 606        dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 607                buf, buf->vb.i,
 608                dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 609                (unsigned long)buf->risc.dma);
 610
 611        buf->vb.state = VIDEOBUF_PREPARED;
 612        return 0;
 613
 614 fail:
 615        cx88_free_buffer(q,buf);
 616        return rc;
 617}
 618
 619static void
 620buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 621{
 622        struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 623        struct cx88_buffer    *prev;
 624        struct cx8800_fh      *fh   = vq->priv_data;
 625        struct cx8800_dev     *dev  = fh->dev;
 626        struct cx88_core      *core = dev->core;
 627        struct cx88_dmaqueue  *q    = &dev->vidq;
 628
 629        /* add jump to stopper */
 630        buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 631        buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 632
 633        if (!list_empty(&q->queued)) {
 634                list_add_tail(&buf->vb.queue,&q->queued);
 635                buf->vb.state = VIDEOBUF_QUEUED;
 636                dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 637                        buf, buf->vb.i);
 638
 639        } else if (list_empty(&q->active)) {
 640                list_add_tail(&buf->vb.queue,&q->active);
 641                start_video_dma(dev, q, buf);
 642                buf->vb.state = VIDEOBUF_ACTIVE;
 643                buf->count    = q->count++;
 644                mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 645                dprintk(2,"[%p/%d] buffer_queue - first active\n",
 646                        buf, buf->vb.i);
 647
 648        } else {
 649                prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 650                if (prev->vb.width  == buf->vb.width  &&
 651                    prev->vb.height == buf->vb.height &&
 652                    prev->fmt       == buf->fmt) {
 653                        list_add_tail(&buf->vb.queue,&q->active);
 654                        buf->vb.state = VIDEOBUF_ACTIVE;
 655                        buf->count    = q->count++;
 656                        prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 657                        dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 658                                buf, buf->vb.i);
 659
 660                } else {
 661                        list_add_tail(&buf->vb.queue,&q->queued);
 662                        buf->vb.state = VIDEOBUF_QUEUED;
 663                        dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 664                                buf, buf->vb.i);
 665                }
 666        }
 667}
 668
 669static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 670{
 671        struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 672
 673        cx88_free_buffer(q,buf);
 674}
 675
 676static const struct videobuf_queue_ops cx8800_video_qops = {
 677        .buf_setup    = buffer_setup,
 678        .buf_prepare  = buffer_prepare,
 679        .buf_queue    = buffer_queue,
 680        .buf_release  = buffer_release,
 681};
 682
 683/* ------------------------------------------------------------------ */
 684
 685
 686/* ------------------------------------------------------------------ */
 687
 688static struct videobuf_queue *get_queue(struct file *file)
 689{
 690        struct video_device *vdev = video_devdata(file);
 691        struct cx8800_fh *fh = file->private_data;
 692
 693        switch (vdev->vfl_type) {
 694        case VFL_TYPE_GRABBER:
 695                return &fh->vidq;
 696        case VFL_TYPE_VBI:
 697                return &fh->vbiq;
 698        default:
 699                BUG();
 700                return NULL;
 701        }
 702}
 703
 704static int get_resource(struct file *file)
 705{
 706        struct video_device *vdev = video_devdata(file);
 707
 708        switch (vdev->vfl_type) {
 709        case VFL_TYPE_GRABBER:
 710                return RESOURCE_VIDEO;
 711        case VFL_TYPE_VBI:
 712                return RESOURCE_VBI;
 713        default:
 714                BUG();
 715                return 0;
 716        }
 717}
 718
 719static int video_open(struct file *file)
 720{
 721        struct video_device *vdev = video_devdata(file);
 722        struct cx8800_dev *dev = video_drvdata(file);
 723        struct cx88_core *core = dev->core;
 724        struct cx8800_fh *fh;
 725        enum v4l2_buf_type type = 0;
 726        int radio = 0;
 727
 728        switch (vdev->vfl_type) {
 729        case VFL_TYPE_GRABBER:
 730                type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 731                break;
 732        case VFL_TYPE_VBI:
 733                type = V4L2_BUF_TYPE_VBI_CAPTURE;
 734                break;
 735        case VFL_TYPE_RADIO:
 736                radio = 1;
 737                break;
 738        }
 739
 740        dprintk(1, "open dev=%s radio=%d type=%s\n",
 741                video_device_node_name(vdev), radio, v4l2_type_names[type]);
 742
 743        /* allocate + initialize per filehandle data */
 744        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 745        if (unlikely(!fh))
 746                return -ENOMEM;
 747
 748        v4l2_fh_init(&fh->fh, vdev);
 749        file->private_data = fh;
 750        fh->dev      = dev;
 751
 752        mutex_lock(&core->lock);
 753
 754        videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 755                            &dev->pci->dev, &dev->slock,
 756                            V4L2_BUF_TYPE_VIDEO_CAPTURE,
 757                            V4L2_FIELD_INTERLACED,
 758                            sizeof(struct cx88_buffer),
 759                            fh, NULL);
 760        videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 761                            &dev->pci->dev, &dev->slock,
 762                            V4L2_BUF_TYPE_VBI_CAPTURE,
 763                            V4L2_FIELD_SEQ_TB,
 764                            sizeof(struct cx88_buffer),
 765                            fh, NULL);
 766
 767        if (vdev->vfl_type == VFL_TYPE_RADIO) {
 768                dprintk(1,"video_open: setting radio device\n");
 769                cx_write(MO_GP3_IO, core->board.radio.gpio3);
 770                cx_write(MO_GP0_IO, core->board.radio.gpio0);
 771                cx_write(MO_GP1_IO, core->board.radio.gpio1);
 772                cx_write(MO_GP2_IO, core->board.radio.gpio2);
 773                if (core->board.radio.audioroute) {
 774                        if(core->board.audio_chip &&
 775                                core->board.audio_chip == V4L2_IDENT_WM8775) {
 776                                call_all(core, audio, s_routing,
 777                                        core->board.radio.audioroute, 0, 0);
 778                        }
 779                        /* "I2S ADC mode" */
 780                        core->tvaudio = WW_I2SADC;
 781                        cx88_set_tvaudio(core);
 782                } else {
 783                        /* FM Mode */
 784                        core->tvaudio = WW_FM;
 785                        cx88_set_tvaudio(core);
 786                        cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 787                }
 788                call_all(core, tuner, s_radio);
 789        }
 790
 791        core->users++;
 792        mutex_unlock(&core->lock);
 793        v4l2_fh_add(&fh->fh);
 794
 795        return 0;
 796}
 797
 798static ssize_t
 799video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 800{
 801        struct video_device *vdev = video_devdata(file);
 802        struct cx8800_fh *fh = file->private_data;
 803
 804        switch (vdev->vfl_type) {
 805        case VFL_TYPE_GRABBER:
 806                if (res_locked(fh->dev,RESOURCE_VIDEO))
 807                        return -EBUSY;
 808                return videobuf_read_one(&fh->vidq, data, count, ppos,
 809                                         file->f_flags & O_NONBLOCK);
 810        case VFL_TYPE_VBI:
 811                if (!res_get(fh->dev,fh,RESOURCE_VBI))
 812                        return -EBUSY;
 813                return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 814                                            file->f_flags & O_NONBLOCK);
 815        default:
 816                BUG();
 817                return 0;
 818        }
 819}
 820
 821static unsigned int
 822video_poll(struct file *file, struct poll_table_struct *wait)
 823{
 824        struct video_device *vdev = video_devdata(file);
 825        struct cx8800_fh *fh = file->private_data;
 826        struct cx88_buffer *buf;
 827        unsigned int rc = v4l2_ctrl_poll(file, wait);
 828
 829        if (vdev->vfl_type == VFL_TYPE_VBI) {
 830                if (!res_get(fh->dev,fh,RESOURCE_VBI))
 831                        return rc | POLLERR;
 832                return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
 833        }
 834        mutex_lock(&fh->vidq.vb_lock);
 835        if (res_check(fh,RESOURCE_VIDEO)) {
 836                /* streaming capture */
 837                if (list_empty(&fh->vidq.stream))
 838                        goto done;
 839                buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 840        } else {
 841                /* read() capture */
 842                buf = (struct cx88_buffer*)fh->vidq.read_buf;
 843                if (NULL == buf)
 844                        goto done;
 845        }
 846        poll_wait(file, &buf->vb.done, wait);
 847        if (buf->vb.state == VIDEOBUF_DONE ||
 848            buf->vb.state == VIDEOBUF_ERROR)
 849                rc |= POLLIN|POLLRDNORM;
 850done:
 851        mutex_unlock(&fh->vidq.vb_lock);
 852        return rc;
 853}
 854
 855static int video_release(struct file *file)
 856{
 857        struct cx8800_fh  *fh  = file->private_data;
 858        struct cx8800_dev *dev = fh->dev;
 859
 860        /* turn off overlay */
 861        if (res_check(fh, RESOURCE_OVERLAY)) {
 862                /* FIXME */
 863                res_free(dev,fh,RESOURCE_OVERLAY);
 864        }
 865
 866        /* stop video capture */
 867        if (res_check(fh, RESOURCE_VIDEO)) {
 868                videobuf_queue_cancel(&fh->vidq);
 869                res_free(dev,fh,RESOURCE_VIDEO);
 870        }
 871        if (fh->vidq.read_buf) {
 872                buffer_release(&fh->vidq,fh->vidq.read_buf);
 873                kfree(fh->vidq.read_buf);
 874        }
 875
 876        /* stop vbi capture */
 877        if (res_check(fh, RESOURCE_VBI)) {
 878                videobuf_stop(&fh->vbiq);
 879                res_free(dev,fh,RESOURCE_VBI);
 880        }
 881
 882        videobuf_mmap_free(&fh->vidq);
 883        videobuf_mmap_free(&fh->vbiq);
 884
 885        mutex_lock(&dev->core->lock);
 886        v4l2_fh_del(&fh->fh);
 887        v4l2_fh_exit(&fh->fh);
 888        file->private_data = NULL;
 889        kfree(fh);
 890
 891        dev->core->users--;
 892        if (!dev->core->users)
 893                call_all(dev->core, core, s_power, 0);
 894        mutex_unlock(&dev->core->lock);
 895
 896        return 0;
 897}
 898
 899static int
 900video_mmap(struct file *file, struct vm_area_struct * vma)
 901{
 902        return videobuf_mmap_mapper(get_queue(file), vma);
 903}
 904
 905/* ------------------------------------------------------------------ */
 906/* VIDEO CTRL IOCTLS                                                  */
 907
 908static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 909{
 910        struct cx88_core *core =
 911                container_of(ctrl->handler, struct cx88_core, video_hdl);
 912        const struct cx88_ctrl *cc = ctrl->priv;
 913        u32 value, mask;
 914
 915        mask = cc->mask;
 916        switch (ctrl->id) {
 917        case V4L2_CID_SATURATION:
 918                /* special v_sat handling */
 919
 920                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 921
 922                if (core->tvnorm & V4L2_STD_SECAM) {
 923                        /* For SECAM, both U and V sat should be equal */
 924                        value = value << 8 | value;
 925                } else {
 926                        /* Keeps U Saturation proportional to V Sat */
 927                        value = (value * 0x5a) / 0x7f << 8 | value;
 928                }
 929                mask = 0xffff;
 930                break;
 931        case V4L2_CID_SHARPNESS:
 932                /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
 933                value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
 934                /* needs to be set for both fields */
 935                cx_andor(MO_FILTER_EVEN, mask, value);
 936                break;
 937        case V4L2_CID_CHROMA_AGC:
 938                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 939                break;
 940        default:
 941                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 942                break;
 943        }
 944        dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 945                                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 946                                mask, cc->sreg ? " [shadowed]" : "");
 947        if (cc->sreg)
 948                cx_sandor(cc->sreg, cc->reg, mask, value);
 949        else
 950                cx_andor(cc->reg, mask, value);
 951        return 0;
 952}
 953
 954static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 955{
 956        struct cx88_core *core =
 957                container_of(ctrl->handler, struct cx88_core, audio_hdl);
 958        const struct cx88_ctrl *cc = ctrl->priv;
 959        u32 value,mask;
 960
 961        /* Pass changes onto any WM8775 */
 962        if (core->board.audio_chip == V4L2_IDENT_WM8775) {
 963                switch (ctrl->id) {
 964                case V4L2_CID_AUDIO_MUTE:
 965                        wm8775_s_ctrl(core, ctrl->id, ctrl->val);
 966                        break;
 967                case V4L2_CID_AUDIO_VOLUME:
 968                        wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
 969                                                (0x90 + ctrl->val) << 8 : 0);
 970                        break;
 971                case V4L2_CID_AUDIO_BALANCE:
 972                        wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
 973                        break;
 974                default:
 975                        break;
 976                }
 977        }
 978
 979        mask = cc->mask;
 980        switch (ctrl->id) {
 981        case V4L2_CID_AUDIO_BALANCE:
 982                value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
 983                break;
 984        case V4L2_CID_AUDIO_VOLUME:
 985                value = 0x3f - (ctrl->val & 0x3f);
 986                break;
 987        default:
 988                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 989                break;
 990        }
 991        dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 992                                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 993                                mask, cc->sreg ? " [shadowed]" : "");
 994        if (cc->sreg)
 995                cx_sandor(cc->sreg, cc->reg, mask, value);
 996        else
 997                cx_andor(cc->reg, mask, value);
 998        return 0;
 999}
1000
1001/* ------------------------------------------------------------------ */
1002/* VIDEO IOCTLS                                                       */
1003
1004static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1005                                        struct v4l2_format *f)
1006{
1007        struct cx8800_fh  *fh   = priv;
1008        struct cx8800_dev *dev = fh->dev;
1009
1010        f->fmt.pix.width        = dev->width;
1011        f->fmt.pix.height       = dev->height;
1012        f->fmt.pix.field        = fh->vidq.field;
1013        f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1014        f->fmt.pix.bytesperline =
1015                (f->fmt.pix.width * dev->fmt->depth) >> 3;
1016        f->fmt.pix.sizeimage =
1017                f->fmt.pix.height * f->fmt.pix.bytesperline;
1018        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1019        return 0;
1020}
1021
1022static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1023                        struct v4l2_format *f)
1024{
1025        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1026        const struct cx8800_fmt *fmt;
1027        enum v4l2_field   field;
1028        unsigned int      maxw, maxh;
1029
1030        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1031        if (NULL == fmt)
1032                return -EINVAL;
1033
1034        field = f->fmt.pix.field;
1035        maxw  = norm_maxw(core->tvnorm);
1036        maxh  = norm_maxh(core->tvnorm);
1037
1038        if (V4L2_FIELD_ANY == field) {
1039                field = (f->fmt.pix.height > maxh/2)
1040                        ? V4L2_FIELD_INTERLACED
1041                        : V4L2_FIELD_BOTTOM;
1042        }
1043
1044        switch (field) {
1045        case V4L2_FIELD_TOP:
1046        case V4L2_FIELD_BOTTOM:
1047                maxh = maxh / 2;
1048                break;
1049        case V4L2_FIELD_INTERLACED:
1050                break;
1051        default:
1052                return -EINVAL;
1053        }
1054
1055        f->fmt.pix.field = field;
1056        v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1057                              &f->fmt.pix.height, 32, maxh, 0, 0);
1058        f->fmt.pix.bytesperline =
1059                (f->fmt.pix.width * fmt->depth) >> 3;
1060        f->fmt.pix.sizeimage =
1061                f->fmt.pix.height * f->fmt.pix.bytesperline;
1062
1063        return 0;
1064}
1065
1066static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1067                                        struct v4l2_format *f)
1068{
1069        struct cx8800_fh  *fh   = priv;
1070        struct cx8800_dev *dev = fh->dev;
1071        int err = vidioc_try_fmt_vid_cap (file,priv,f);
1072
1073        if (0 != err)
1074                return err;
1075        dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1076        dev->width      = f->fmt.pix.width;
1077        dev->height     = f->fmt.pix.height;
1078        fh->vidq.field = f->fmt.pix.field;
1079        return 0;
1080}
1081
1082void cx88_querycap(struct file *file, struct cx88_core *core,
1083                struct v4l2_capability *cap)
1084{
1085        struct video_device *vdev = video_devdata(file);
1086
1087        strlcpy(cap->card, core->board.name, sizeof(cap->card));
1088        cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1089        if (UNSET != core->board.tuner_type)
1090                cap->device_caps |= V4L2_CAP_TUNER;
1091        switch (vdev->vfl_type) {
1092        case VFL_TYPE_RADIO:
1093                cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1094                break;
1095        case VFL_TYPE_GRABBER:
1096                cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1097                break;
1098        case VFL_TYPE_VBI:
1099                cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1100                break;
1101        }
1102        cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1103                V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1104        if (core->board.radio.type == CX88_RADIO)
1105                cap->capabilities |= V4L2_CAP_RADIO;
1106}
1107EXPORT_SYMBOL(cx88_querycap);
1108
1109static int vidioc_querycap(struct file *file, void  *priv,
1110                                        struct v4l2_capability *cap)
1111{
1112        struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1113        struct cx88_core  *core = dev->core;
1114
1115        strcpy(cap->driver, "cx8800");
1116        sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1117        cx88_querycap(file, core, cap);
1118        return 0;
1119}
1120
1121static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1122                                        struct v4l2_fmtdesc *f)
1123{
1124        if (unlikely(f->index >= ARRAY_SIZE(formats)))
1125                return -EINVAL;
1126
1127        strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1128        f->pixelformat = formats[f->index].fourcc;
1129
1130        return 0;
1131}
1132
1133static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1134{
1135        return videobuf_reqbufs(get_queue(file), p);
1136}
1137
1138static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1139{
1140        return videobuf_querybuf(get_queue(file), p);
1141}
1142
1143static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1144{
1145        return videobuf_qbuf(get_queue(file), p);
1146}
1147
1148static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1149{
1150        return videobuf_dqbuf(get_queue(file), p,
1151                                file->f_flags & O_NONBLOCK);
1152}
1153
1154static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1155{
1156        struct video_device *vdev = video_devdata(file);
1157        struct cx8800_fh  *fh   = priv;
1158        struct cx8800_dev *dev  = fh->dev;
1159
1160        if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1161            (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1162                return -EINVAL;
1163
1164        if (unlikely(!res_get(dev, fh, get_resource(file))))
1165                return -EBUSY;
1166        return videobuf_streamon(get_queue(file));
1167}
1168
1169static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1170{
1171        struct video_device *vdev = video_devdata(file);
1172        struct cx8800_fh  *fh   = priv;
1173        struct cx8800_dev *dev  = fh->dev;
1174        int               err, res;
1175
1176        if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1177            (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1178                return -EINVAL;
1179
1180        res = get_resource(file);
1181        err = videobuf_streamoff(get_queue(file));
1182        if (err < 0)
1183                return err;
1184        res_free(dev,fh,res);
1185        return 0;
1186}
1187
1188static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1189{
1190        struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1191
1192        *tvnorm = core->tvnorm;
1193        return 0;
1194}
1195
1196static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1197{
1198        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1199
1200        mutex_lock(&core->lock);
1201        cx88_set_tvnorm(core,*tvnorms);
1202        mutex_unlock(&core->lock);
1203
1204        return 0;
1205}
1206
1207/* only one input in this sample driver */
1208int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1209{
1210        static const char * const iname[] = {
1211                [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1212                [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1213                [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1214                [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1215                [ CX88_VMUX_SVIDEO     ] = "S-Video",
1216                [ CX88_VMUX_TELEVISION ] = "Television",
1217                [ CX88_VMUX_CABLE      ] = "Cable TV",
1218                [ CX88_VMUX_DVB        ] = "DVB",
1219                [ CX88_VMUX_DEBUG      ] = "for debug only",
1220        };
1221        unsigned int n = i->index;
1222
1223        if (n >= 4)
1224                return -EINVAL;
1225        if (0 == INPUT(n).type)
1226                return -EINVAL;
1227        i->type  = V4L2_INPUT_TYPE_CAMERA;
1228        strcpy(i->name,iname[INPUT(n).type]);
1229        if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1230            (CX88_VMUX_CABLE      == INPUT(n).type)) {
1231                i->type = V4L2_INPUT_TYPE_TUNER;
1232        }
1233        i->std = CX88_NORMS;
1234        return 0;
1235}
1236EXPORT_SYMBOL(cx88_enum_input);
1237
1238static int vidioc_enum_input (struct file *file, void *priv,
1239                                struct v4l2_input *i)
1240{
1241        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1242        return cx88_enum_input (core,i);
1243}
1244
1245static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1246{
1247        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1248
1249        *i = core->input;
1250        return 0;
1251}
1252
1253static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1254{
1255        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1256
1257        if (i >= 4)
1258                return -EINVAL;
1259        if (0 == INPUT(i).type)
1260                return -EINVAL;
1261
1262        mutex_lock(&core->lock);
1263        cx88_newstation(core);
1264        cx88_video_mux(core,i);
1265        mutex_unlock(&core->lock);
1266        return 0;
1267}
1268
1269static int vidioc_g_tuner (struct file *file, void *priv,
1270                                struct v4l2_tuner *t)
1271{
1272        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1273        u32 reg;
1274
1275        if (unlikely(UNSET == core->board.tuner_type))
1276                return -EINVAL;
1277        if (0 != t->index)
1278                return -EINVAL;
1279
1280        strcpy(t->name, "Television");
1281        t->capability = V4L2_TUNER_CAP_NORM;
1282        t->rangehigh  = 0xffffffffUL;
1283        call_all(core, tuner, g_tuner, t);
1284
1285        cx88_get_stereo(core ,t);
1286        reg = cx_read(MO_DEVICE_STATUS);
1287        t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1288        return 0;
1289}
1290
1291static int vidioc_s_tuner (struct file *file, void *priv,
1292                                struct v4l2_tuner *t)
1293{
1294        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1295
1296        if (UNSET == core->board.tuner_type)
1297                return -EINVAL;
1298        if (0 != t->index)
1299                return -EINVAL;
1300
1301        cx88_set_stereo(core, t->audmode, 1);
1302        return 0;
1303}
1304
1305static int vidioc_g_frequency (struct file *file, void *priv,
1306                                struct v4l2_frequency *f)
1307{
1308        struct cx8800_fh  *fh   = priv;
1309        struct cx88_core  *core = fh->dev->core;
1310
1311        if (unlikely(UNSET == core->board.tuner_type))
1312                return -EINVAL;
1313        if (f->tuner)
1314                return -EINVAL;
1315
1316        f->frequency = core->freq;
1317
1318        call_all(core, tuner, g_frequency, f);
1319
1320        return 0;
1321}
1322
1323int cx88_set_freq (struct cx88_core  *core,
1324                                struct v4l2_frequency *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, f);
1335        core->freq = f->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                                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                                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
1410/* FIXME: Should add a standard for radio */
1411
1412static int radio_s_tuner (struct file *file, void *priv,
1413                                struct v4l2_tuner *t)
1414{
1415        struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1416
1417        if (0 != t->index)
1418                return -EINVAL;
1419        if (t->audmode > V4L2_TUNER_MODE_STEREO)
1420                t->audmode = V4L2_TUNER_MODE_STEREO;
1421
1422        call_all(core, tuner, s_tuner, t);
1423
1424        return 0;
1425}
1426
1427/* ----------------------------------------------------------- */
1428
1429static void cx8800_vid_timeout(unsigned long data)
1430{
1431        struct cx8800_dev *dev = (struct cx8800_dev*)data;
1432        struct cx88_core *core = dev->core;
1433        struct cx88_dmaqueue *q = &dev->vidq;
1434        struct cx88_buffer *buf;
1435        unsigned long flags;
1436
1437        cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1438
1439        cx_clear(MO_VID_DMACNTRL, 0x11);
1440        cx_clear(VID_CAPTURE_CONTROL, 0x06);
1441
1442        spin_lock_irqsave(&dev->slock,flags);
1443        while (!list_empty(&q->active)) {
1444                buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1445                list_del(&buf->vb.queue);
1446                buf->vb.state = VIDEOBUF_ERROR;
1447                wake_up(&buf->vb.done);
1448                printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1449                       buf, buf->vb.i, (unsigned long)buf->risc.dma);
1450        }
1451        restart_video_queue(dev,q);
1452        spin_unlock_irqrestore(&dev->slock,flags);
1453}
1454
1455static const char *cx88_vid_irqs[32] = {
1456        "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1457        "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1458        "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1459        "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1460        "opc_err",  "par_err",  "rip_err",  "pci_abort",
1461};
1462
1463static void cx8800_vid_irq(struct cx8800_dev *dev)
1464{
1465        struct cx88_core *core = dev->core;
1466        u32 status, mask, count;
1467
1468        status = cx_read(MO_VID_INTSTAT);
1469        mask   = cx_read(MO_VID_INTMSK);
1470        if (0 == (status & mask))
1471                return;
1472        cx_write(MO_VID_INTSTAT, status);
1473        if (irq_debug  ||  (status & mask & ~0xff))
1474                cx88_print_irqbits(core->name, "irq vid",
1475                                   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1476                                   status, mask);
1477
1478        /* risc op code error */
1479        if (status & (1 << 16)) {
1480                printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1481                cx_clear(MO_VID_DMACNTRL, 0x11);
1482                cx_clear(VID_CAPTURE_CONTROL, 0x06);
1483                cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1484        }
1485
1486        /* risc1 y */
1487        if (status & 0x01) {
1488                spin_lock(&dev->slock);
1489                count = cx_read(MO_VIDY_GPCNT);
1490                cx88_wakeup(core, &dev->vidq, count);
1491                spin_unlock(&dev->slock);
1492        }
1493
1494        /* risc1 vbi */
1495        if (status & 0x08) {
1496                spin_lock(&dev->slock);
1497                count = cx_read(MO_VBI_GPCNT);
1498                cx88_wakeup(core, &dev->vbiq, count);
1499                spin_unlock(&dev->slock);
1500        }
1501
1502        /* risc2 y */
1503        if (status & 0x10) {
1504                dprintk(2,"stopper video\n");
1505                spin_lock(&dev->slock);
1506                restart_video_queue(dev,&dev->vidq);
1507                spin_unlock(&dev->slock);
1508        }
1509
1510        /* risc2 vbi */
1511        if (status & 0x80) {
1512                dprintk(2,"stopper vbi\n");
1513                spin_lock(&dev->slock);
1514                cx8800_restart_vbi_queue(dev,&dev->vbiq);
1515                spin_unlock(&dev->slock);
1516        }
1517}
1518
1519static irqreturn_t cx8800_irq(int irq, void *dev_id)
1520{
1521        struct cx8800_dev *dev = dev_id;
1522        struct cx88_core *core = dev->core;
1523        u32 status;
1524        int loop, handled = 0;
1525
1526        for (loop = 0; loop < 10; loop++) {
1527                status = cx_read(MO_PCI_INTSTAT) &
1528                        (core->pci_irqmask | PCI_INT_VIDINT);
1529                if (0 == status)
1530                        goto out;
1531                cx_write(MO_PCI_INTSTAT, status);
1532                handled = 1;
1533
1534                if (status & core->pci_irqmask)
1535                        cx88_core_irq(core,status);
1536                if (status & PCI_INT_VIDINT)
1537                        cx8800_vid_irq(dev);
1538        }
1539        if (10 == loop) {
1540                printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1541                       core->name);
1542                cx_write(MO_PCI_INTMSK,0);
1543        }
1544
1545 out:
1546        return IRQ_RETVAL(handled);
1547}
1548
1549/* ----------------------------------------------------------- */
1550/* exported stuff                                              */
1551
1552static const struct v4l2_file_operations video_fops =
1553{
1554        .owner         = THIS_MODULE,
1555        .open          = video_open,
1556        .release       = video_release,
1557        .read          = video_read,
1558        .poll          = video_poll,
1559        .mmap          = video_mmap,
1560        .unlocked_ioctl = video_ioctl2,
1561};
1562
1563static const struct v4l2_ioctl_ops video_ioctl_ops = {
1564        .vidioc_querycap      = vidioc_querycap,
1565        .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1566        .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1567        .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1568        .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1569        .vidioc_reqbufs       = vidioc_reqbufs,
1570        .vidioc_querybuf      = vidioc_querybuf,
1571        .vidioc_qbuf          = vidioc_qbuf,
1572        .vidioc_dqbuf         = vidioc_dqbuf,
1573        .vidioc_g_std         = vidioc_g_std,
1574        .vidioc_s_std         = vidioc_s_std,
1575        .vidioc_enum_input    = vidioc_enum_input,
1576        .vidioc_g_input       = vidioc_g_input,
1577        .vidioc_s_input       = vidioc_s_input,
1578        .vidioc_streamon      = vidioc_streamon,
1579        .vidioc_streamoff     = vidioc_streamoff,
1580        .vidioc_g_tuner       = vidioc_g_tuner,
1581        .vidioc_s_tuner       = vidioc_s_tuner,
1582        .vidioc_g_frequency   = vidioc_g_frequency,
1583        .vidioc_s_frequency   = vidioc_s_frequency,
1584        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1585        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1586        .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1587#ifdef CONFIG_VIDEO_ADV_DEBUG
1588        .vidioc_g_register    = vidioc_g_register,
1589        .vidioc_s_register    = vidioc_s_register,
1590#endif
1591};
1592
1593static const struct video_device cx8800_video_template = {
1594        .name                 = "cx8800-video",
1595        .fops                 = &video_fops,
1596        .ioctl_ops            = &video_ioctl_ops,
1597        .tvnorms              = CX88_NORMS,
1598};
1599
1600static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1601        .vidioc_querycap      = vidioc_querycap,
1602        .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1603        .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1604        .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1605        .vidioc_reqbufs       = vidioc_reqbufs,
1606        .vidioc_querybuf      = vidioc_querybuf,
1607        .vidioc_qbuf          = vidioc_qbuf,
1608        .vidioc_dqbuf         = vidioc_dqbuf,
1609        .vidioc_g_std         = vidioc_g_std,
1610        .vidioc_s_std         = vidioc_s_std,
1611        .vidioc_enum_input    = vidioc_enum_input,
1612        .vidioc_g_input       = vidioc_g_input,
1613        .vidioc_s_input       = vidioc_s_input,
1614        .vidioc_streamon      = vidioc_streamon,
1615        .vidioc_streamoff     = vidioc_streamoff,
1616        .vidioc_g_tuner       = vidioc_g_tuner,
1617        .vidioc_s_tuner       = vidioc_s_tuner,
1618        .vidioc_g_frequency   = vidioc_g_frequency,
1619        .vidioc_s_frequency   = vidioc_s_frequency,
1620        .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1621#ifdef CONFIG_VIDEO_ADV_DEBUG
1622        .vidioc_g_register    = vidioc_g_register,
1623        .vidioc_s_register    = vidioc_s_register,
1624#endif
1625};
1626
1627static const struct video_device cx8800_vbi_template = {
1628        .name                 = "cx8800-vbi",
1629        .fops                 = &video_fops,
1630        .ioctl_ops            = &vbi_ioctl_ops,
1631        .tvnorms              = CX88_NORMS,
1632};
1633
1634static const struct v4l2_file_operations radio_fops =
1635{
1636        .owner         = THIS_MODULE,
1637        .open          = video_open,
1638        .poll          = v4l2_ctrl_poll,
1639        .release       = video_release,
1640        .unlocked_ioctl = video_ioctl2,
1641};
1642
1643static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1644        .vidioc_querycap      = vidioc_querycap,
1645        .vidioc_g_tuner       = radio_g_tuner,
1646        .vidioc_s_tuner       = radio_s_tuner,
1647        .vidioc_g_frequency   = vidioc_g_frequency,
1648        .vidioc_s_frequency   = vidioc_s_frequency,
1649        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1650        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1651        .vidioc_g_chip_ident  = vidioc_g_chip_ident,
1652#ifdef CONFIG_VIDEO_ADV_DEBUG
1653        .vidioc_g_register    = vidioc_g_register,
1654        .vidioc_s_register    = vidioc_s_register,
1655#endif
1656};
1657
1658static const struct video_device cx8800_radio_template = {
1659        .name                 = "cx8800-radio",
1660        .fops                 = &radio_fops,
1661        .ioctl_ops            = &radio_ioctl_ops,
1662};
1663
1664static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1665        .s_ctrl = cx8800_s_vid_ctrl,
1666};
1667
1668static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1669        .s_ctrl = cx8800_s_aud_ctrl,
1670};
1671
1672/* ----------------------------------------------------------- */
1673
1674static void cx8800_unregister_video(struct cx8800_dev *dev)
1675{
1676        if (dev->radio_dev) {
1677                if (video_is_registered(dev->radio_dev))
1678                        video_unregister_device(dev->radio_dev);
1679                else
1680                        video_device_release(dev->radio_dev);
1681                dev->radio_dev = NULL;
1682        }
1683        if (dev->vbi_dev) {
1684                if (video_is_registered(dev->vbi_dev))
1685                        video_unregister_device(dev->vbi_dev);
1686                else
1687                        video_device_release(dev->vbi_dev);
1688                dev->vbi_dev = NULL;
1689        }
1690        if (dev->video_dev) {
1691                if (video_is_registered(dev->video_dev))
1692                        video_unregister_device(dev->video_dev);
1693                else
1694                        video_device_release(dev->video_dev);
1695                dev->video_dev = NULL;
1696        }
1697}
1698
1699static int cx8800_initdev(struct pci_dev *pci_dev,
1700                          const struct pci_device_id *pci_id)
1701{
1702        struct cx8800_dev *dev;
1703        struct cx88_core *core;
1704        int err;
1705        int i;
1706
1707        dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1708        if (NULL == dev)
1709                return -ENOMEM;
1710
1711        /* pci init */
1712        dev->pci = pci_dev;
1713        if (pci_enable_device(pci_dev)) {
1714                err = -EIO;
1715                goto fail_free;
1716        }
1717        core = cx88_core_get(dev->pci);
1718        if (NULL == core) {
1719                err = -EINVAL;
1720                goto fail_free;
1721        }
1722        dev->core = core;
1723
1724        /* print pci info */
1725        dev->pci_rev = pci_dev->revision;
1726        pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1727        printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1728               "latency: %d, mmio: 0x%llx\n", core->name,
1729               pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1730               dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1731
1732        pci_set_master(pci_dev);
1733        if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1734                printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1735                err = -EIO;
1736                goto fail_core;
1737        }
1738
1739        /* initialize driver struct */
1740        spin_lock_init(&dev->slock);
1741        core->tvnorm = V4L2_STD_NTSC_M;
1742
1743        /* init video dma queues */
1744        INIT_LIST_HEAD(&dev->vidq.active);
1745        INIT_LIST_HEAD(&dev->vidq.queued);
1746        dev->vidq.timeout.function = cx8800_vid_timeout;
1747        dev->vidq.timeout.data     = (unsigned long)dev;
1748        init_timer(&dev->vidq.timeout);
1749        cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1750                          MO_VID_DMACNTRL,0x11,0x00);
1751
1752        /* init vbi dma queues */
1753        INIT_LIST_HEAD(&dev->vbiq.active);
1754        INIT_LIST_HEAD(&dev->vbiq.queued);
1755        dev->vbiq.timeout.function = cx8800_vbi_timeout;
1756        dev->vbiq.timeout.data     = (unsigned long)dev;
1757        init_timer(&dev->vbiq.timeout);
1758        cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1759                          MO_VID_DMACNTRL,0x88,0x00);
1760
1761        /* get irq */
1762        err = request_irq(pci_dev->irq, cx8800_irq,
1763                          IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1764        if (err < 0) {
1765                printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1766                       core->name,pci_dev->irq);
1767                goto fail_core;
1768        }
1769        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1770
1771        for (i = 0; i < CX8800_AUD_CTLS; i++) {
1772                const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1773                struct v4l2_ctrl *vc;
1774
1775                vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1776                        cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1777                if (vc == NULL) {
1778                        err = core->audio_hdl.error;
1779                        goto fail_core;
1780                }
1781                vc->priv = (void *)cc;
1782        }
1783
1784        for (i = 0; i < CX8800_VID_CTLS; i++) {
1785                const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1786                struct v4l2_ctrl *vc;
1787
1788                vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1789                        cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1790                if (vc == NULL) {
1791                        err = core->video_hdl.error;
1792                        goto fail_core;
1793                }
1794                vc->priv = (void *)cc;
1795                if (vc->id == V4L2_CID_CHROMA_AGC)
1796                        core->chroma_agc = vc;
1797        }
1798        v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1799
1800        /* load and configure helper modules */
1801
1802        if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1803                struct i2c_board_info wm8775_info = {
1804                        .type = "wm8775",
1805                        .addr = 0x36 >> 1,
1806                        .platform_data = &core->wm8775_data,
1807                };
1808                struct v4l2_subdev *sd;
1809
1810                if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1811                        core->wm8775_data.is_nova_s = true;
1812                else
1813                        core->wm8775_data.is_nova_s = false;
1814
1815                sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1816                                &wm8775_info, NULL);
1817                if (sd != NULL) {
1818                        core->sd_wm8775 = sd;
1819                        sd->grp_id = WM8775_GID;
1820                }
1821        }
1822
1823        if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1824                /* This probes for a tda9874 as is used on some
1825                   Pixelview Ultra boards. */
1826                v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1827                                "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1828        }
1829
1830        switch (core->boardnr) {
1831        case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1832        case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1833                static const struct i2c_board_info rtc_info = {
1834                        I2C_BOARD_INFO("isl1208", 0x6f)
1835                };
1836
1837                request_module("rtc-isl1208");
1838                core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1839        }
1840                /* break intentionally omitted */
1841        case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1842                request_module("ir-kbd-i2c");
1843        }
1844
1845        /* Sets device info at pci_dev */
1846        pci_set_drvdata(pci_dev, dev);
1847
1848        dev->width   = 320;
1849        dev->height  = 240;
1850        dev->fmt     = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1851
1852        /* initial device configuration */
1853        mutex_lock(&core->lock);
1854        cx88_set_tvnorm(core, core->tvnorm);
1855        v4l2_ctrl_handler_setup(&core->video_hdl);
1856        v4l2_ctrl_handler_setup(&core->audio_hdl);
1857        cx88_video_mux(core, 0);
1858
1859        /* register v4l devices */
1860        dev->video_dev = cx88_vdev_init(core,dev->pci,
1861                                        &cx8800_video_template,"video");
1862        video_set_drvdata(dev->video_dev, dev);
1863        dev->video_dev->ctrl_handler = &core->video_hdl;
1864        err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1865                                    video_nr[core->nr]);
1866        if (err < 0) {
1867                printk(KERN_ERR "%s/0: can't register video device\n",
1868                       core->name);
1869                goto fail_unreg;
1870        }
1871        printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1872               core->name, video_device_node_name(dev->video_dev));
1873
1874        dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1875        video_set_drvdata(dev->vbi_dev, dev);
1876        err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1877                                    vbi_nr[core->nr]);
1878        if (err < 0) {
1879                printk(KERN_ERR "%s/0: can't register vbi device\n",
1880                       core->name);
1881                goto fail_unreg;
1882        }
1883        printk(KERN_INFO "%s/0: registered device %s\n",
1884               core->name, video_device_node_name(dev->vbi_dev));
1885
1886        if (core->board.radio.type == CX88_RADIO) {
1887                dev->radio_dev = cx88_vdev_init(core,dev->pci,
1888                                                &cx8800_radio_template,"radio");
1889                video_set_drvdata(dev->radio_dev, dev);
1890                dev->radio_dev->ctrl_handler = &core->audio_hdl;
1891                err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1892                                            radio_nr[core->nr]);
1893                if (err < 0) {
1894                        printk(KERN_ERR "%s/0: can't register radio device\n",
1895                               core->name);
1896                        goto fail_unreg;
1897                }
1898                printk(KERN_INFO "%s/0: registered device %s\n",
1899                       core->name, video_device_node_name(dev->radio_dev));
1900        }
1901
1902        /* start tvaudio thread */
1903        if (core->board.tuner_type != TUNER_ABSENT) {
1904                core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1905                if (IS_ERR(core->kthread)) {
1906                        err = PTR_ERR(core->kthread);
1907                        printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1908                               core->name, err);
1909                }
1910        }
1911        mutex_unlock(&core->lock);
1912
1913        return 0;
1914
1915fail_unreg:
1916        cx8800_unregister_video(dev);
1917        free_irq(pci_dev->irq, dev);
1918        mutex_unlock(&core->lock);
1919fail_core:
1920        cx88_core_put(core,dev->pci);
1921fail_free:
1922        kfree(dev);
1923        return err;
1924}
1925
1926static void cx8800_finidev(struct pci_dev *pci_dev)
1927{
1928        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1929        struct cx88_core *core = dev->core;
1930
1931        /* stop thread */
1932        if (core->kthread) {
1933                kthread_stop(core->kthread);
1934                core->kthread = NULL;
1935        }
1936
1937        if (core->ir)
1938                cx88_ir_stop(core);
1939
1940        cx88_shutdown(core); /* FIXME */
1941        pci_disable_device(pci_dev);
1942
1943        /* unregister stuff */
1944
1945        free_irq(pci_dev->irq, dev);
1946        cx8800_unregister_video(dev);
1947        pci_set_drvdata(pci_dev, NULL);
1948
1949        /* free memory */
1950        btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1951        cx88_core_put(core,dev->pci);
1952        kfree(dev);
1953}
1954
1955#ifdef CONFIG_PM
1956static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1957{
1958        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1959        struct cx88_core *core = dev->core;
1960
1961        /* stop video+vbi capture */
1962        spin_lock(&dev->slock);
1963        if (!list_empty(&dev->vidq.active)) {
1964                printk("%s/0: suspend video\n", core->name);
1965                stop_video_dma(dev);
1966                del_timer(&dev->vidq.timeout);
1967        }
1968        if (!list_empty(&dev->vbiq.active)) {
1969                printk("%s/0: suspend vbi\n", core->name);
1970                cx8800_stop_vbi_dma(dev);
1971                del_timer(&dev->vbiq.timeout);
1972        }
1973        spin_unlock(&dev->slock);
1974
1975        if (core->ir)
1976                cx88_ir_stop(core);
1977        /* FIXME -- shutdown device */
1978        cx88_shutdown(core);
1979
1980        pci_save_state(pci_dev);
1981        if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1982                pci_disable_device(pci_dev);
1983                dev->state.disabled = 1;
1984        }
1985        return 0;
1986}
1987
1988static int cx8800_resume(struct pci_dev *pci_dev)
1989{
1990        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1991        struct cx88_core *core = dev->core;
1992        int err;
1993
1994        if (dev->state.disabled) {
1995                err=pci_enable_device(pci_dev);
1996                if (err) {
1997                        printk(KERN_ERR "%s/0: can't enable device\n",
1998                               core->name);
1999                        return err;
2000                }
2001
2002                dev->state.disabled = 0;
2003        }
2004        err= pci_set_power_state(pci_dev, PCI_D0);
2005        if (err) {
2006                printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2007                pci_disable_device(pci_dev);
2008                dev->state.disabled = 1;
2009
2010                return err;
2011        }
2012        pci_restore_state(pci_dev);
2013
2014        /* FIXME: re-initialize hardware */
2015        cx88_reset(core);
2016        if (core->ir)
2017                cx88_ir_start(core);
2018
2019        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2020
2021        /* restart video+vbi capture */
2022        spin_lock(&dev->slock);
2023        if (!list_empty(&dev->vidq.active)) {
2024                printk("%s/0: resume video\n", core->name);
2025                restart_video_queue(dev,&dev->vidq);
2026        }
2027        if (!list_empty(&dev->vbiq.active)) {
2028                printk("%s/0: resume vbi\n", core->name);
2029                cx8800_restart_vbi_queue(dev,&dev->vbiq);
2030        }
2031        spin_unlock(&dev->slock);
2032
2033        return 0;
2034}
2035#endif
2036
2037/* ----------------------------------------------------------- */
2038
2039static const struct pci_device_id cx8800_pci_tbl[] = {
2040        {
2041                .vendor       = 0x14f1,
2042                .device       = 0x8800,
2043                .subvendor    = PCI_ANY_ID,
2044                .subdevice    = PCI_ANY_ID,
2045        },{
2046                /* --- end of list --- */
2047        }
2048};
2049MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2050
2051static struct pci_driver cx8800_pci_driver = {
2052        .name     = "cx8800",
2053        .id_table = cx8800_pci_tbl,
2054        .probe    = cx8800_initdev,
2055        .remove   = cx8800_finidev,
2056#ifdef CONFIG_PM
2057        .suspend  = cx8800_suspend,
2058        .resume   = cx8800_resume,
2059#endif
2060};
2061
2062static int __init cx8800_init(void)
2063{
2064        printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n",
2065               CX88_VERSION);
2066        return pci_register_driver(&cx8800_pci_driver);
2067}
2068
2069static void __exit cx8800_fini(void)
2070{
2071        pci_unregister_driver(&cx8800_pci_driver);
2072}
2073
2074module_init(cx8800_init);
2075module_exit(cx8800_fini);
2076