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

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/list.h>
  30 #include <linux/module.h>
  31 #include <linux/kmod.h>
  32 #include <linux/kernel.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/dma-mapping.h>
  36 #include <linux/delay.h>
  37 #include <linux/kthread.h>
  38 #include <asm/div64.h>
  39
  40 #include "cx88.h"
  41 #include <media/v4l2-common.h>
  42 #include <media/v4l2-ioctl.h>
  43 #include <media/wm8775.h>
  44
  45 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  46 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  47 MODULE_LICENSE("GPL");
  48
  49 /* ------------------------------------------------------------------ */
  50
  51 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  54
  55 module_param_array(video_nr, int, NULL, 0444);
  56 module_param_array(vbi_nr,   int, NULL, 0444);
  57 module_param_array(radio_nr, int, NULL, 0444);
  58
  59 MODULE_PARM_DESC(video_nr,"video device numbers");
  60 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
  61 MODULE_PARM_DESC(radio_nr,"radio device numbers");
  62
  63 static unsigned int video_debug;
  64 module_param(video_debug,int,0644);
  65 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
  66
  67 static unsigned int irq_debug;
  68 module_param(irq_debug,int,0644);
  69 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  70
  71 static unsigned int vid_limit = 16;
  72 module_param(vid_limit,int,0644);
  73 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
  74
  75 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
  76         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
  77
  78 /* ------------------------------------------------------------------- */
  79 /* static data                                                         */
  80
  81 static const struct cx8800_fmt formats[] = {
  82         {
  83                 .name     = "8 bpp, gray",
  84                 .fourcc   = V4L2_PIX_FMT_GREY,
  85                 .cxformat = ColorFormatY8,
  86                 .depth    = 8,
  87                 .flags    = FORMAT_FLAGS_PACKED,
  88         },{
  89                 .name     = "15 bpp RGB, le",
  90                 .fourcc   = V4L2_PIX_FMT_RGB555,
  91                 .cxformat = ColorFormatRGB15,
  92                 .depth    = 16,
  93                 .flags    = FORMAT_FLAGS_PACKED,
  94         },{
  95                 .name     = "15 bpp RGB, be",
  96                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  97                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
  98                 .depth    = 16,
  99                 .flags    = FORMAT_FLAGS_PACKED,
 100         },{
 101                 .name     = "16 bpp RGB, le",
 102                 .fourcc   = V4L2_PIX_FMT_RGB565,
 103                 .cxformat = ColorFormatRGB16,
 104                 .depth    = 16,
 105                 .flags    = FORMAT_FLAGS_PACKED,
 106         },{
 107                 .name     = "16 bpp RGB, be",
 108                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 109                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 110                 .depth    = 16,
 111                 .flags    = FORMAT_FLAGS_PACKED,
 112         },{
 113                 .name     = "24 bpp RGB, le",
 114                 .fourcc   = V4L2_PIX_FMT_BGR24,
 115                 .cxformat = ColorFormatRGB24,
 116                 .depth    = 24,
 117                 .flags    = FORMAT_FLAGS_PACKED,
 118         },{
 119                 .name     = "32 bpp RGB, le",
 120                 .fourcc   = V4L2_PIX_FMT_BGR32,
 121                 .cxformat = ColorFormatRGB32,
 122                 .depth    = 32,
 123                 .flags    = FORMAT_FLAGS_PACKED,
 124         },{
 125                 .name     = "32 bpp RGB, be",
 126                 .fourcc   = V4L2_PIX_FMT_RGB32,
 127                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
 128                 .depth    = 32,
 129                 .flags    = FORMAT_FLAGS_PACKED,
 130         },{
 131                 .name     = "4:2:2, packed, YUYV",
 132                 .fourcc   = V4L2_PIX_FMT_YUYV,
 133                 .cxformat = ColorFormatYUY2,
 134                 .depth    = 16,
 135                 .flags    = FORMAT_FLAGS_PACKED,
 136         },{
 137                 .name     = "4:2:2, packed, UYVY",
 138                 .fourcc   = V4L2_PIX_FMT_UYVY,
 139                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 140                 .depth    = 16,
 141                 .flags    = FORMAT_FLAGS_PACKED,
 142         },
 143 };
 144
 145 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
 146 {
 147         unsigned int i;
 148
 149         for (i = 0; i < ARRAY_SIZE(formats); i++)
 150                 if (formats[i].fourcc == fourcc)
 151                         return formats+i;
 152         return NULL;
 153 }
 154
 155 /* ------------------------------------------------------------------- */
 156
 157 static const struct v4l2_queryctrl no_ctl = {
 158         .name  = "42",
 159         .flags = V4L2_CTRL_FLAG_DISABLED,
 160 };
 161
 162 static const struct cx88_ctrl cx8800_ctls[] = {
 163         /* --- video --- */
 164         {
 165                 .v = {
 166                         .id            = V4L2_CID_BRIGHTNESS,
 167                         .name          = "Brightness",
 168                         .minimum       = 0x00,
 169                         .maximum       = 0xff,
 170                         .step          = 1,
 171                         .default_value = 0x7f,
 172                         .type          = V4L2_CTRL_TYPE_INTEGER,
 173                 },
 174                 .off                   = 128,
 175                 .reg                   = MO_CONTR_BRIGHT,
 176                 .mask                  = 0x00ff,
 177                 .shift                 = 0,
 178         },{
 179                 .v = {
 180                         .id            = V4L2_CID_CONTRAST,
 181                         .name          = "Contrast",
 182                         .minimum       = 0,
 183                         .maximum       = 0xff,
 184                         .step          = 1,
 185                         .default_value = 0x3f,
 186                         .type          = V4L2_CTRL_TYPE_INTEGER,
 187                 },
 188                 .off                   = 0,
 189                 .reg                   = MO_CONTR_BRIGHT,
 190                 .mask                  = 0xff00,
 191                 .shift                 = 8,
 192         },{
 193                 .v = {
 194                         .id            = V4L2_CID_HUE,
 195                         .name          = "Hue",
 196                         .minimum       = 0,
 197                         .maximum       = 0xff,
 198                         .step          = 1,
 199                         .default_value = 0x7f,
 200                         .type          = V4L2_CTRL_TYPE_INTEGER,
 201                 },
 202                 .off                   = 128,
 203                 .reg                   = MO_HUE,
 204                 .mask                  = 0x00ff,
 205                 .shift                 = 0,
 206         },{
 207                 /* strictly, this only describes only U saturation.
 208                  * V saturation is handled specially through code.
 209                  */
 210                 .v = {
 211                         .id            = V4L2_CID_SATURATION,
 212                         .name          = "Saturation",
 213                         .minimum       = 0,
 214                         .maximum       = 0xff,
 215                         .step          = 1,
 216                         .default_value = 0x7f,
 217                         .type          = V4L2_CTRL_TYPE_INTEGER,
 218                 },
 219                 .off                   = 0,
 220                 .reg                   = MO_UV_SATURATION,
 221                 .mask                  = 0x00ff,
 222                 .shift                 = 0,
 223         },{
 224                 .v = {
 225                         .id            = V4L2_CID_CHROMA_AGC,
 226                         .name          = "Chroma AGC",
 227                         .minimum       = 0,
 228                         .maximum       = 1,
 229                         .default_value = 0x1,
 230                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 231                 },
 232                 .reg                   = MO_INPUT_FORMAT,
 233                 .mask                  = 1 << 10,
 234                 .shift                 = 10,
 235         }, {
 236                 .v = {
 237                         .id            = V4L2_CID_COLOR_KILLER,
 238                         .name          = "Color killer",
 239                         .minimum       = 0,
 240                         .maximum       = 1,
 241                         .default_value = 0x1,
 242                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 243                 },
 244                 .reg                   = MO_INPUT_FORMAT,
 245                 .mask                  = 1 << 9,
 246                 .shift                 = 9,
 247         }, {
 248         /* --- audio --- */
 249                 .v = {
 250                         .id            = V4L2_CID_AUDIO_MUTE,
 251                         .name          = "Mute",
 252                         .minimum       = 0,
 253                         .maximum       = 1,
 254                         .default_value = 1,
 255                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 256                 },
 257                 .reg                   = AUD_VOL_CTL,
 258                 .sreg                  = SHADOW_AUD_VOL_CTL,
 259                 .mask                  = (1 << 6),
 260                 .shift                 = 6,
 261         },{
 262                 .v = {
 263                         .id            = V4L2_CID_AUDIO_VOLUME,
 264                         .name          = "Volume",
 265                         .minimum       = 0,
 266                         .maximum       = 0x3f,
 267                         .step          = 1,
 268                         .default_value = 0x3f,
 269                         .type          = V4L2_CTRL_TYPE_INTEGER,
 270                 },
 271                 .reg                   = AUD_VOL_CTL,
 272                 .sreg                  = SHADOW_AUD_VOL_CTL,
 273                 .mask                  = 0x3f,
 274                 .shift                 = 0,
 275         },{
 276                 .v = {
 277                         .id            = V4L2_CID_AUDIO_BALANCE,
 278                         .name          = "Balance",
 279                         .minimum       = 0,
 280                         .maximum       = 0x7f,
 281                         .step          = 1,
 282                         .default_value = 0x40,
 283                         .type          = V4L2_CTRL_TYPE_INTEGER,
 284                 },
 285                 .reg                   = AUD_BAL_CTL,
 286                 .sreg                  = SHADOW_AUD_BAL_CTL,
 287                 .mask                  = 0x7f,
 288                 .shift                 = 0,
 289         }
 290 };
 291 enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
 292
 293 /* Must be sorted from low to high control ID! */
 294 const u32 cx88_user_ctrls[] = {
 295         V4L2_CID_USER_CLASS,
 296         V4L2_CID_BRIGHTNESS,
 297         V4L2_CID_CONTRAST,
 298         V4L2_CID_SATURATION,
 299         V4L2_CID_HUE,
 300         V4L2_CID_AUDIO_VOLUME,
 301         V4L2_CID_AUDIO_BALANCE,
 302         V4L2_CID_AUDIO_MUTE,
 303         V4L2_CID_CHROMA_AGC,
 304         V4L2_CID_COLOR_KILLER,
 305         0
 306 };
 307 EXPORT_SYMBOL(cx88_user_ctrls);
 308
 309 static const u32 * const ctrl_classes[] = {
 310         cx88_user_ctrls,
 311         NULL
 312 };
 313
 314 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
 315 {
 316         int i;
 317
 318         if (qctrl->id < V4L2_CID_BASE ||
 319             qctrl->id >= V4L2_CID_LASTP1)
 320                 return -EINVAL;
 321         for (i = 0; i < CX8800_CTLS; i++)
 322                 if (cx8800_ctls[i].v.id == qctrl->id)
 323                         break;
 324         if (i == CX8800_CTLS) {
 325                 *qctrl = no_ctl;
 326                 return 0;
 327         }
 328         *qctrl = cx8800_ctls[i].v;
 329         /* Report chroma AGC as inactive when SECAM is selected */
 330         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
 331             core->tvnorm & V4L2_STD_SECAM)
 332                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
 333
 334         return 0;
 335 }
 336 EXPORT_SYMBOL(cx8800_ctrl_query);
 337
 338 /* ------------------------------------------------------------------- */
 339 /* resource management                                                 */
 340
 341 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
 342 {
 343         struct cx88_core *core = dev->core;
 344         if (fh->resources & bit)
 345                 /* have it already allocated */
 346                 return 1;
 347
 348         /* is it free? */
 349         mutex_lock(&core->lock);
 350         if (dev->resources & bit) {
 351                 /* no, someone else uses it */
 352                 mutex_unlock(&core->lock);
 353                 return 0;
 354         }
 355         /* it's free, grab it */
 356         fh->resources  |= bit;
 357         dev->resources |= bit;
 358         dprintk(1,"res: get %d\n",bit);
 359         mutex_unlock(&core->lock);
 360         return 1;
 361 }
 362
 363 static
 364 int res_check(struct cx8800_fh *fh, unsigned int bit)
 365 {
 366         return (fh->resources & bit);
 367 }
 368
 369 static
 370 int res_locked(struct cx8800_dev *dev, unsigned int bit)
 371 {
 372         return (dev->resources & bit);
 373 }
 374
 375 static
 376 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
 377 {
 378         struct cx88_core *core = dev->core;
 379         BUG_ON((fh->resources & bits) != bits);
 380
 381         mutex_lock(&core->lock);
 382         fh->resources  &= ~bits;
 383         dev->resources &= ~bits;
 384         dprintk(1,"res: put %d\n",bits);
 385         mutex_unlock(&core->lock);
 386 }
 387
 388 /* ------------------------------------------------------------------ */
 389
 390 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 391 {
 392         /* struct cx88_core *core = dev->core; */
 393
 394         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 395                 input, INPUT(input).vmux,
 396                 INPUT(input).gpio0,INPUT(input).gpio1,
 397                 INPUT(input).gpio2,INPUT(input).gpio3);
 398         core->input = input;
 399         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 400         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 401         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 402         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 403         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 404
 405         switch (INPUT(input).type) {
 406         case CX88_VMUX_SVIDEO:
 407                 cx_set(MO_AFECFG_IO,    0x00000001);
 408                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 409                 cx_set(MO_FILTER_EVEN,  0x00002020);
 410                 cx_set(MO_FILTER_ODD,   0x00002020);
 411                 break;
 412         default:
 413                 cx_clear(MO_AFECFG_IO,    0x00000001);
 414                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 415                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 416                 cx_clear(MO_FILTER_ODD,   0x00002020);
 417                 break;
 418         }
 419
 420         /* if there are audioroutes defined, we have an external
 421            ADC to deal with audio */
 422         if (INPUT(input).audioroute) {
 423                 /* The wm8775 module has the "2" route hardwired into
 424                    the initialization. Some boards may use different
 425                    routes for different inputs. HVR-1300 surely does */
 426                 if (core->board.audio_chip &&
 427                     core->board.audio_chip == V4L2_IDENT_WM8775) {
 428                         call_all(core, audio, s_routing,
 429                                  INPUT(input).audioroute, 0, 0);
 430                 }
 431                 /* cx2388's C-ADC is connected to the tuner only.
 432                    When used with S-Video, that ADC is busy dealing with
 433                    chroma, so an external must be used for baseband audio */
 434                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 435                     INPUT(input).type != CX88_VMUX_CABLE) {
 436                         /* "I2S ADC mode" */
 437                         core->tvaudio = WW_I2SADC;
 438                         cx88_set_tvaudio(core);
 439                 } else {
 440                         /* Normal mode */
 441                         cx_write(AUD_I2SCNTL, 0x0);
 442                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 443                 }
 444         }
 445
 446         return 0;
 447 }
 448 EXPORT_SYMBOL(cx88_video_mux);
 449
 450 /* ------------------------------------------------------------------ */
 451
 452 static int start_video_dma(struct cx8800_dev    *dev,
 453                            struct cx88_dmaqueue *q,
 454                            struct cx88_buffer   *buf)
 455 {
 456         struct cx88_core *core = dev->core;
 457
 458         /* setup fifo + format */
 459         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 460                                 buf->bpl, buf->risc.dma);
 461         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
 462         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
 463
 464         /* reset counter */
 465         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
 466         q->count = 1;
 467
 468         /* enable irqs */
 469         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 470
 471         /* Enables corresponding bits at PCI_INT_STAT:
 472                 bits 0 to 4: video, audio, transport stream, VIP, Host
 473                 bit 7: timer
 474                 bits 8 and 9: DMA complete for: SRC, DST
 475                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
 476                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 477          */
 478         cx_set(MO_VID_INTMSK, 0x0f0011);
 479
 480         /* enable capture */
 481         cx_set(VID_CAPTURE_CONTROL,0x06);
 482
 483         /* start dma */
 484         cx_set(MO_DEV_CNTRL2, (1<<5));
 485         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 486
 487         return 0;
 488 }
 489
 490 #ifdef CONFIG_PM
 491 static int stop_video_dma(struct cx8800_dev    *dev)
 492 {
 493         struct cx88_core *core = dev->core;
 494
 495         /* stop dma */
 496         cx_clear(MO_VID_DMACNTRL, 0x11);
 497
 498         /* disable capture */
 499         cx_clear(VID_CAPTURE_CONTROL,0x06);
 500
 501         /* disable irqs */
 502         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 503         cx_clear(MO_VID_INTMSK, 0x0f0011);
 504         return 0;
 505 }
 506 #endif
 507
 508 static int restart_video_queue(struct cx8800_dev    *dev,
 509                                struct cx88_dmaqueue *q)
 510 {
 511         struct cx88_core *core = dev->core;
 512         struct cx88_buffer *buf, *prev;
 513
 514         if (!list_empty(&q->active)) {
 515                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
 516                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
 517                         buf, buf->vb.i);
 518                 start_video_dma(dev, q, buf);
 519                 list_for_each_entry(buf, &q->active, vb.queue)
 520                         buf->count = q->count++;
 521                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 522                 return 0;
 523         }
 524
 525         prev = NULL;
 526         for (;;) {
 527                 if (list_empty(&q->queued))
 528                         return 0;
 529                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
 530                 if (NULL == prev) {
 531                         list_move_tail(&buf->vb.queue, &q->active);
 532                         start_video_dma(dev, q, buf);
 533                         buf->vb.state = VIDEOBUF_ACTIVE;
 534                         buf->count    = q->count++;
 535                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 536                         dprintk(2,"[%p/%d] restart_queue - first active\n",
 537                                 buf,buf->vb.i);
 538
 539                 } else if (prev->vb.width  == buf->vb.width  &&
 540                            prev->vb.height == buf->vb.height &&
 541                            prev->fmt       == buf->fmt) {
 542                         list_move_tail(&buf->vb.queue, &q->active);
 543                         buf->vb.state = VIDEOBUF_ACTIVE;
 544                         buf->count    = q->count++;
 545                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 546                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
 547                                 buf,buf->vb.i);
 548                 } else {
 549                         return 0;
 550                 }
 551                 prev = buf;
 552         }
 553 }
 554
 555 /* ------------------------------------------------------------------ */
 556
 557 static int
 558 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
 559 {
 560         struct cx8800_fh *fh = q->priv_data;
 561
 562         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 563         if (0 == *count)
 564                 *count = 32;
 565         if (*size * *count > vid_limit * 1024 * 1024)
 566                 *count = (vid_limit * 1024 * 1024) / *size;
 567         return 0;
 568 }
 569
 570 static int
 571 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 572                enum v4l2_field field)
 573 {
 574         struct cx8800_fh   *fh  = q->priv_data;
 575         struct cx8800_dev  *dev = fh->dev;
 576         struct cx88_core *core = dev->core;
 577         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 578         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 579         int rc, init_buffer = 0;
 580
 581         BUG_ON(NULL == fh->fmt);
 582         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
 583             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
 584                 return -EINVAL;
 585         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 586         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 587                 return -EINVAL;
 588
 589         if (buf->fmt       != fh->fmt    ||
 590             buf->vb.width  != fh->width  ||
 591             buf->vb.height != fh->height ||
 592             buf->vb.field  != field) {
 593                 buf->fmt       = fh->fmt;
 594                 buf->vb.width  = fh->width;
 595                 buf->vb.height = fh->height;
 596                 buf->vb.field  = field;
 597                 init_buffer = 1;
 598         }
 599
 600         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 601                 init_buffer = 1;
 602                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
 603                         goto fail;
 604         }
 605
 606         if (init_buffer) {
 607                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 608                 switch (buf->vb.field) {
 609                 case V4L2_FIELD_TOP:
 610                         cx88_risc_buffer(dev->pci, &buf->risc,
 611                                          dma->sglist, 0, UNSET,
 612                                          buf->bpl, 0, buf->vb.height);
 613                         break;
 614                 case V4L2_FIELD_BOTTOM:
 615                         cx88_risc_buffer(dev->pci, &buf->risc,
 616                                          dma->sglist, UNSET, 0,
 617                                          buf->bpl, 0, buf->vb.height);
 618                         break;
 619                 case V4L2_FIELD_INTERLACED:
 620                         cx88_risc_buffer(dev->pci, &buf->risc,
 621                                          dma->sglist, 0, buf->bpl,
 622                                          buf->bpl, buf->bpl,
 623                                          buf->vb.height >> 1);
 624                         break;
 625                 case V4L2_FIELD_SEQ_TB:
 626                         cx88_risc_buffer(dev->pci, &buf->risc,
 627                                          dma->sglist,
 628                                          0, buf->bpl * (buf->vb.height >> 1),
 629                                          buf->bpl, 0,
 630                                          buf->vb.height >> 1);
 631                         break;
 632                 case V4L2_FIELD_SEQ_BT:
 633                         cx88_risc_buffer(dev->pci, &buf->risc,
 634                                          dma->sglist,
 635                                          buf->bpl * (buf->vb.height >> 1), 0,
 636                                          buf->bpl, 0,
 637                                          buf->vb.height >> 1);
 638                         break;
 639                 default:
 640                         BUG();
 641                 }
 642         }
 643         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 644                 buf, buf->vb.i,
 645                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 646                 (unsigned long)buf->risc.dma);
 647
 648         buf->vb.state = VIDEOBUF_PREPARED;
 649         return 0;
 650
 651  fail:
 652         cx88_free_buffer(q,buf);
 653         return rc;
 654 }
 655
 656 static void
 657 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 658 {
 659         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
 660         struct cx88_buffer    *prev;
 661         struct cx8800_fh      *fh   = vq->priv_data;
 662         struct cx8800_dev     *dev  = fh->dev;
 663         struct cx88_core      *core = dev->core;
 664         struct cx88_dmaqueue  *q    = &dev->vidq;
 665
 666         /* add jump to stopper */
 667         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 668         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 669
 670         if (!list_empty(&q->queued)) {
 671                 list_add_tail(&buf->vb.queue,&q->queued);
 672                 buf->vb.state = VIDEOBUF_QUEUED;
 673                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
 674                         buf, buf->vb.i);
 675
 676         } else if (list_empty(&q->active)) {
 677                 list_add_tail(&buf->vb.queue,&q->active);
 678                 start_video_dma(dev, q, buf);
 679                 buf->vb.state = VIDEOBUF_ACTIVE;
 680                 buf->count    = q->count++;
 681                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 682                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
 683                         buf, buf->vb.i);
 684
 685         } else {
 686                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
 687                 if (prev->vb.width  == buf->vb.width  &&
 688                     prev->vb.height == buf->vb.height &&
 689                     prev->fmt       == buf->fmt) {
 690                         list_add_tail(&buf->vb.queue,&q->active);
 691                         buf->vb.state = VIDEOBUF_ACTIVE;
 692                         buf->count    = q->count++;
 693                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 694                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
 695                                 buf, buf->vb.i);
 696
 697                 } else {
 698                         list_add_tail(&buf->vb.queue,&q->queued);
 699                         buf->vb.state = VIDEOBUF_QUEUED;
 700                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
 701                                 buf, buf->vb.i);
 702                 }
 703         }
 704 }
 705
 706 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 707 {
 708         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
 709
 710         cx88_free_buffer(q,buf);
 711 }
 712
 713 static const struct videobuf_queue_ops cx8800_video_qops = {
 714         .buf_setup    = buffer_setup,
 715         .buf_prepare  = buffer_prepare,
 716         .buf_queue    = buffer_queue,
 717         .buf_release  = buffer_release,
 718 };
 719
 720 /* ------------------------------------------------------------------ */
 721
 722
 723 /* ------------------------------------------------------------------ */
 724
 725 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
 726 {
 727         switch (fh->type) {
 728         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 729                 return &fh->vidq;
 730         case V4L2_BUF_TYPE_VBI_CAPTURE:
 731                 return &fh->vbiq;
 732         default:
 733                 BUG();
 734                 return NULL;
 735         }
 736 }
 737
 738 static int get_ressource(struct cx8800_fh *fh)
 739 {
 740         switch (fh->type) {
 741         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 742                 return RESOURCE_VIDEO;
 743         case V4L2_BUF_TYPE_VBI_CAPTURE:
 744                 return RESOURCE_VBI;
 745         default:
 746                 BUG();
 747                 return 0;
 748         }
 749 }
 750
 751 static int video_open(struct file *file)
 752 {
 753         struct video_device *vdev = video_devdata(file);
 754         struct cx8800_dev *dev = video_drvdata(file);
 755         struct cx88_core *core = dev->core;
 756         struct cx8800_fh *fh;
 757         enum v4l2_buf_type type = 0;
 758         int radio = 0;
 759
 760         switch (vdev->vfl_type) {
 761         case VFL_TYPE_GRABBER:
 762                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 763                 break;
 764         case VFL_TYPE_VBI:
 765                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
 766                 break;
 767         case VFL_TYPE_RADIO:
 768                 radio = 1;
 769                 break;
 770         }
 771
 772         dprintk(1, "open dev=%s radio=%d type=%s\n",
 773                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
 774
 775         /* allocate + initialize per filehandle data */
 776         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 777         if (unlikely(!fh))
 778                 return -ENOMEM;
 779
 780         file->private_data = fh;
 781         fh->dev      = dev;
 782         fh->radio    = radio;
 783         fh->type     = type;
 784         fh->width    = 320;
 785         fh->height   = 240;
 786         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 787
 788         mutex_lock(&core->lock);
 789
 790         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
 791                             &dev->pci->dev, &dev->slock,
 792                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 793                             V4L2_FIELD_INTERLACED,
 794                             sizeof(struct cx88_buffer),
 795                             fh, NULL);
 796         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
 797                             &dev->pci->dev, &dev->slock,
 798                             V4L2_BUF_TYPE_VBI_CAPTURE,
 799                             V4L2_FIELD_SEQ_TB,
 800                             sizeof(struct cx88_buffer),
 801                             fh, NULL);
 802
 803         if (fh->radio) {
 804                 dprintk(1,"video_open: setting radio device\n");
 805                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
 806                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
 807                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
 808                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
 809                 if (core->board.radio.audioroute) {
 810                         if(core->board.audio_chip &&
 811                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
 812                                 call_all(core, audio, s_routing,
 813                                         core->board.radio.audioroute, 0, 0);
 814                         }
 815                         /* "I2S ADC mode" */
 816                         core->tvaudio = WW_I2SADC;
 817                         cx88_set_tvaudio(core);
 818                 } else {
 819                         /* FM Mode */
 820                         core->tvaudio = WW_FM;
 821                         cx88_set_tvaudio(core);
 822                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
 823                 }
 824                 call_all(core, tuner, s_radio);
 825         }
 826
 827         atomic_inc(&core->users);
 828         mutex_unlock(&core->lock);
 829
 830         return 0;
 831 }
 832
 833 static ssize_t
 834 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 835 {
 836         struct cx8800_fh *fh = file->private_data;
 837
 838         switch (fh->type) {
 839         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 840                 if (res_locked(fh->dev,RESOURCE_VIDEO))
 841                         return -EBUSY;
 842                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 843                                          file->f_flags & O_NONBLOCK);
 844         case V4L2_BUF_TYPE_VBI_CAPTURE:
 845                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 846                         return -EBUSY;
 847                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 848                                             file->f_flags & O_NONBLOCK);
 849         default:
 850                 BUG();
 851                 return 0;
 852         }
 853 }
 854
 855 static unsigned int
 856 video_poll(struct file *file, struct poll_table_struct *wait)
 857 {
 858         struct cx8800_fh *fh = file->private_data;
 859         struct cx88_buffer *buf;
 860         unsigned int rc = POLLERR;
 861
 862         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 863                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
 864                         return POLLERR;
 865                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 866         }
 867
 868         mutex_lock(&fh->vidq.vb_lock);
 869         if (res_check(fh,RESOURCE_VIDEO)) {
 870                 /* streaming capture */
 871                 if (list_empty(&fh->vidq.stream))
 872                         goto done;
 873                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
 874         } else {
 875                 /* read() capture */
 876                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
 877                 if (NULL == buf)
 878                         goto done;
 879         }
 880         poll_wait(file, &buf->vb.done, wait);
 881         if (buf->vb.state == VIDEOBUF_DONE ||
 882             buf->vb.state == VIDEOBUF_ERROR)
 883                 rc = POLLIN|POLLRDNORM;
 884         else
 885                 rc = 0;
 886 done:
 887         mutex_unlock(&fh->vidq.vb_lock);
 888         return rc;
 889 }
 890
 891 static int video_release(struct file *file)
 892 {
 893         struct cx8800_fh  *fh  = file->private_data;
 894         struct cx8800_dev *dev = fh->dev;
 895
 896         /* turn off overlay */
 897         if (res_check(fh, RESOURCE_OVERLAY)) {
 898                 /* FIXME */
 899                 res_free(dev,fh,RESOURCE_OVERLAY);
 900         }
 901
 902         /* stop video capture */
 903         if (res_check(fh, RESOURCE_VIDEO)) {
 904                 videobuf_queue_cancel(&fh->vidq);
 905                 res_free(dev,fh,RESOURCE_VIDEO);
 906         }
 907         if (fh->vidq.read_buf) {
 908                 buffer_release(&fh->vidq,fh->vidq.read_buf);
 909                 kfree(fh->vidq.read_buf);
 910         }
 911
 912         /* stop vbi capture */
 913         if (res_check(fh, RESOURCE_VBI)) {
 914                 videobuf_stop(&fh->vbiq);
 915                 res_free(dev,fh,RESOURCE_VBI);
 916         }
 917
 918         videobuf_mmap_free(&fh->vidq);
 919         videobuf_mmap_free(&fh->vbiq);
 920
 921         mutex_lock(&dev->core->lock);
 922         file->private_data = NULL;
 923         kfree(fh);
 924
 925         if(atomic_dec_and_test(&dev->core->users))
 926                 call_all(dev->core, core, s_power, 0);
 927         mutex_unlock(&dev->core->lock);
 928
 929         return 0;
 930 }
 931
 932 static int
 933 video_mmap(struct file *file, struct vm_area_struct * vma)
 934 {
 935         struct cx8800_fh *fh = file->private_data;
 936
 937         return videobuf_mmap_mapper(get_queue(fh), vma);
 938 }
 939
 940 /* ------------------------------------------------------------------ */
 941 /* VIDEO CTRL IOCTLS                                                  */
 942
 943 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
 944 {
 945         const struct cx88_ctrl  *c    = NULL;
 946         u32 value;
 947         int i;
 948
 949         for (i = 0; i < CX8800_CTLS; i++)
 950                 if (cx8800_ctls[i].v.id == ctl->id)
 951                         c = &cx8800_ctls[i];
 952         if (unlikely(NULL == c))
 953                 return -EINVAL;
 954
 955         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
 956         switch (ctl->id) {
 957         case V4L2_CID_AUDIO_BALANCE:
 958                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
 959                                         : (0x7f - (value & 0x7f));
 960                 break;
 961         case V4L2_CID_AUDIO_VOLUME:
 962                 ctl->value = 0x3f - (value & 0x3f);
 963                 break;
 964         default:
 965                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
 966                 break;
 967         }
 968         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 969                                 ctl->id, c->v.name, ctl->value, c->reg,
 970                                 value,c->mask, c->sreg ? " [shadowed]" : "");
 971         return 0;
 972 }
 973 EXPORT_SYMBOL(cx88_get_control);
 974
 975 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
 976 {
 977         const struct cx88_ctrl *c = NULL;
 978         u32 value,mask;
 979         int i;
 980         struct v4l2_control client_ctl;
 981
 982         for (i = 0; i < CX8800_CTLS; i++) {
 983                 if (cx8800_ctls[i].v.id == ctl->id) {
 984                         c = &cx8800_ctls[i];
 985                 }
 986         }
 987         if (unlikely(NULL == c))
 988                 return -EINVAL;
 989
 990         if (ctl->value < c->v.minimum)
 991                 ctl->value = c->v.minimum;
 992         if (ctl->value > c->v.maximum)
 993                 ctl->value = c->v.maximum;
 994
 995         /* Pass changes onto any WM8775 */
 996         client_ctl.id = ctl->id;
 997         switch (ctl->id) {
 998         case V4L2_CID_AUDIO_MUTE:
 999                 client_ctl.value = ctl->value;
1000                 break;
1001         case V4L2_CID_AUDIO_VOLUME:
1002                 client_ctl.value = (ctl->value) ?
1003                         (0x90 + ctl->value) << 8 : 0;
1004                 break;
1005         case V4L2_CID_AUDIO_BALANCE:
1006                 client_ctl.value = ctl->value << 9;
1007                 break;
1008         default:
1009                 client_ctl.id = 0;
1010                 break;
1011         }
1012         if (client_ctl.id)
1013                 call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
1014
1015         mask=c->mask;
1016         switch (ctl->id) {
1017         case V4L2_CID_AUDIO_BALANCE:
1018                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1019                 break;
1020         case V4L2_CID_AUDIO_VOLUME:
1021                 value = 0x3f - (ctl->value & 0x3f);
1022                 break;
1023         case V4L2_CID_SATURATION:
1024                 /* special v_sat handling */
1025
1026                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1027
1028                 if (core->tvnorm & V4L2_STD_SECAM) {
1029                         /* For SECAM, both U and V sat should be equal */
1030                         value=value<<8|value;
1031                 } else {
1032                         /* Keeps U Saturation proportional to V Sat */
1033                         value=(value*0x5a)/0x7f<<8|value;
1034                 }
1035                 mask=0xffff;
1036                 break;
1037         case V4L2_CID_CHROMA_AGC:
1038                 /* Do not allow chroma AGC to be enabled for SECAM */
1039                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1040                 if (core->tvnorm & V4L2_STD_SECAM && value)
1041                         return -EINVAL;
1042                 break;
1043         default:
1044                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1045                 break;
1046         }
1047         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1048                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1049                                 mask, c->sreg ? " [shadowed]" : "");
1050         if (c->sreg) {
1051                 cx_sandor(c->sreg, c->reg, mask, value);
1052         } else {
1053                 cx_andor(c->reg, mask, value);
1054         }
1055         return 0;
1056 }
1057 EXPORT_SYMBOL(cx88_set_control);
1058
1059 static void init_controls(struct cx88_core *core)
1060 {
1061         struct v4l2_control ctrl;
1062         int i;
1063
1064         for (i = 0; i < CX8800_CTLS; i++) {
1065                 ctrl.id=cx8800_ctls[i].v.id;
1066                 ctrl.value=cx8800_ctls[i].v.default_value;
1067
1068                 cx88_set_control(core, &ctrl);
1069         }
1070 }
1071
1072 /* ------------------------------------------------------------------ */
1073 /* VIDEO IOCTLS                                                       */
1074
1075 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1076                                         struct v4l2_format *f)
1077 {
1078         struct cx8800_fh  *fh   = priv;
1079
1080         f->fmt.pix.width        = fh->width;
1081         f->fmt.pix.height       = fh->height;
1082         f->fmt.pix.field        = fh->vidq.field;
1083         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1084         f->fmt.pix.bytesperline =
1085                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1086         f->fmt.pix.sizeimage =
1087                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1088         return 0;
1089 }
1090
1091 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1092                         struct v4l2_format *f)
1093 {
1094         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1095         const struct cx8800_fmt *fmt;
1096         enum v4l2_field   field;
1097         unsigned int      maxw, maxh;
1098
1099         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1100         if (NULL == fmt)
1101                 return -EINVAL;
1102
1103         field = f->fmt.pix.field;
1104         maxw  = norm_maxw(core->tvnorm);
1105         maxh  = norm_maxh(core->tvnorm);
1106
1107         if (V4L2_FIELD_ANY == field) {
1108                 field = (f->fmt.pix.height > maxh/2)
1109                         ? V4L2_FIELD_INTERLACED
1110                         : V4L2_FIELD_BOTTOM;
1111         }
1112
1113         switch (field) {
1114         case V4L2_FIELD_TOP:
1115         case V4L2_FIELD_BOTTOM:
1116                 maxh = maxh / 2;
1117                 break;
1118         case V4L2_FIELD_INTERLACED:
1119                 break;
1120         default:
1121                 return -EINVAL;
1122         }
1123
1124         f->fmt.pix.field = field;
1125         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1126                               &f->fmt.pix.height, 32, maxh, 0, 0);
1127         f->fmt.pix.bytesperline =
1128                 (f->fmt.pix.width * fmt->depth) >> 3;
1129         f->fmt.pix.sizeimage =
1130                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1131
1132         return 0;
1133 }
1134
1135 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1136                                         struct v4l2_format *f)
1137 {
1138         struct cx8800_fh  *fh   = priv;
1139         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1140
1141         if (0 != err)
1142                 return err;
1143         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1144         fh->width      = f->fmt.pix.width;
1145         fh->height     = f->fmt.pix.height;
1146         fh->vidq.field = f->fmt.pix.field;
1147         return 0;
1148 }
1149
1150 static int vidioc_querycap (struct file *file, void  *priv,
1151                                         struct v4l2_capability *cap)
1152 {
1153         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1154         struct cx88_core  *core = dev->core;
1155
1156         strcpy(cap->driver, "cx8800");
1157         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1158         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1159         cap->version = CX88_VERSION_CODE;
1160         cap->capabilities =
1161                 V4L2_CAP_VIDEO_CAPTURE |
1162                 V4L2_CAP_READWRITE     |
1163                 V4L2_CAP_STREAMING     |
1164                 V4L2_CAP_VBI_CAPTURE;
1165         if (UNSET != core->board.tuner_type)
1166                 cap->capabilities |= V4L2_CAP_TUNER;
1167         return 0;
1168 }
1169
1170 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1171                                         struct v4l2_fmtdesc *f)
1172 {
1173         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1174                 return -EINVAL;
1175
1176         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1177         f->pixelformat = formats[f->index].fourcc;
1178
1179         return 0;
1180 }
1181
1182 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1183 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1184 {
1185         struct cx8800_fh           *fh  = priv;
1186
1187         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1188 }
1189 #endif
1190
1191 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1192 {
1193         struct cx8800_fh  *fh   = priv;
1194         return (videobuf_reqbufs(get_queue(fh), p));
1195 }
1196
1197 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1198 {
1199         struct cx8800_fh  *fh   = priv;
1200         return (videobuf_querybuf(get_queue(fh), p));
1201 }
1202
1203 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1204 {
1205         struct cx8800_fh  *fh   = priv;
1206         return (videobuf_qbuf(get_queue(fh), p));
1207 }
1208
1209 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1210 {
1211         struct cx8800_fh  *fh   = priv;
1212         return (videobuf_dqbuf(get_queue(fh), p,
1213                                 file->f_flags & O_NONBLOCK));
1214 }
1215
1216 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1217 {
1218         struct cx8800_fh  *fh   = priv;
1219         struct cx8800_dev *dev  = fh->dev;
1220
1221         /* We should remember that this driver also supports teletext,  */
1222         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1223         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1224                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1225                 return -EINVAL;
1226
1227         if (unlikely(i != fh->type))
1228                 return -EINVAL;
1229
1230         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1231                 return -EBUSY;
1232         return videobuf_streamon(get_queue(fh));
1233 }
1234
1235 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1236 {
1237         struct cx8800_fh  *fh   = priv;
1238         struct cx8800_dev *dev  = fh->dev;
1239         int               err, res;
1240
1241         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1242             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1243                 return -EINVAL;
1244
1245         if (i != fh->type)
1246                 return -EINVAL;
1247
1248         res = get_ressource(fh);
1249         err = videobuf_streamoff(get_queue(fh));
1250         if (err < 0)
1251                 return err;
1252         res_free(dev,fh,res);
1253         return 0;
1254 }
1255
1256 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1257 {
1258         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1259
1260         mutex_lock(&core->lock);
1261         cx88_set_tvnorm(core,*tvnorms);
1262         mutex_unlock(&core->lock);
1263
1264         return 0;
1265 }
1266
1267 /* only one input in this sample driver */
1268 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1269 {
1270         static const char * const iname[] = {
1271                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1272                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1273                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1274                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1275                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1276                 [ CX88_VMUX_TELEVISION ] = "Television",
1277                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1278                 [ CX88_VMUX_DVB        ] = "DVB",
1279                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1280         };
1281         unsigned int n = i->index;
1282
1283         if (n >= 4)
1284                 return -EINVAL;
1285         if (0 == INPUT(n).type)
1286                 return -EINVAL;
1287         i->type  = V4L2_INPUT_TYPE_CAMERA;
1288         strcpy(i->name,iname[INPUT(n).type]);
1289         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1290             (CX88_VMUX_CABLE      == INPUT(n).type)) {
1291                 i->type = V4L2_INPUT_TYPE_TUNER;
1292                 i->std = CX88_NORMS;
1293         }
1294         return 0;
1295 }
1296 EXPORT_SYMBOL(cx88_enum_input);
1297
1298 static int vidioc_enum_input (struct file *file, void *priv,
1299                                 struct v4l2_input *i)
1300 {
1301         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1302         return cx88_enum_input (core,i);
1303 }
1304
1305 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1306 {
1307         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1308
1309         *i = core->input;
1310         return 0;
1311 }
1312
1313 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1314 {
1315         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1316
1317         if (i >= 4)
1318                 return -EINVAL;
1319
1320         mutex_lock(&core->lock);
1321         cx88_newstation(core);
1322         cx88_video_mux(core,i);
1323         mutex_unlock(&core->lock);
1324         return 0;
1325 }
1326
1327
1328
1329 static int vidioc_queryctrl (struct file *file, void *priv,
1330                                 struct v4l2_queryctrl *qctrl)
1331 {
1332         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1333
1334         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1335         if (unlikely(qctrl->id == 0))
1336                 return -EINVAL;
1337         return cx8800_ctrl_query(core, qctrl);
1338 }
1339
1340 static int vidioc_g_ctrl (struct file *file, void *priv,
1341                                 struct v4l2_control *ctl)
1342 {
1343         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1344         return
1345                 cx88_get_control(core,ctl);
1346 }
1347
1348 static int vidioc_s_ctrl (struct file *file, void *priv,
1349                                 struct v4l2_control *ctl)
1350 {
1351         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1352         return
1353                 cx88_set_control(core,ctl);
1354 }
1355
1356 static int vidioc_g_tuner (struct file *file, void *priv,
1357                                 struct v4l2_tuner *t)
1358 {
1359         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1360         u32 reg;
1361
1362         if (unlikely(UNSET == core->board.tuner_type))
1363                 return -EINVAL;
1364         if (0 != t->index)
1365                 return -EINVAL;
1366
1367         strcpy(t->name, "Television");
1368         t->type       = V4L2_TUNER_ANALOG_TV;
1369         t->capability = V4L2_TUNER_CAP_NORM;
1370         t->rangehigh  = 0xffffffffUL;
1371
1372         cx88_get_stereo(core ,t);
1373         reg = cx_read(MO_DEVICE_STATUS);
1374         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1375         return 0;
1376 }
1377
1378 static int vidioc_s_tuner (struct file *file, void *priv,
1379                                 struct v4l2_tuner *t)
1380 {
1381         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1382
1383         if (UNSET == core->board.tuner_type)
1384                 return -EINVAL;
1385         if (0 != t->index)
1386                 return -EINVAL;
1387
1388         cx88_set_stereo(core, t->audmode, 1);
1389         return 0;
1390 }
1391
1392 static int vidioc_g_frequency (struct file *file, void *priv,
1393                                 struct v4l2_frequency *f)
1394 {
1395         struct cx8800_fh  *fh   = priv;
1396         struct cx88_core  *core = fh->dev->core;
1397
1398         if (unlikely(UNSET == core->board.tuner_type))
1399                 return -EINVAL;
1400
1401         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1402         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1403         f->frequency = core->freq;
1404
1405         call_all(core, tuner, g_frequency, f);
1406
1407         return 0;
1408 }
1409
1410 int cx88_set_freq (struct cx88_core  *core,
1411                                 struct v4l2_frequency *f)
1412 {
1413         if (unlikely(UNSET == core->board.tuner_type))
1414                 return -EINVAL;
1415         if (unlikely(f->tuner != 0))
1416                 return -EINVAL;
1417
1418         mutex_lock(&core->lock);
1419         core->freq = f->frequency;
1420         cx88_newstation(core);
1421         call_all(core, tuner, s_frequency, f);
1422
1423         /* When changing channels it is required to reset TVAUDIO */
1424         msleep (10);
1425         cx88_set_tvaudio(core);
1426
1427         mutex_unlock(&core->lock);
1428
1429         return 0;
1430 }
1431 EXPORT_SYMBOL(cx88_set_freq);
1432
1433 static int vidioc_s_frequency (struct file *file, void *priv,
1434                                 struct v4l2_frequency *f)
1435 {
1436         struct cx8800_fh  *fh   = priv;
1437         struct cx88_core  *core = fh->dev->core;
1438
1439         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1440                 return -EINVAL;
1441         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1442                 return -EINVAL;
1443
1444         return
1445                 cx88_set_freq (core,f);
1446 }
1447
1448 #ifdef CONFIG_VIDEO_ADV_DEBUG
1449 static int vidioc_g_register (struct file *file, void *fh,
1450                                 struct v4l2_dbg_register *reg)
1451 {
1452         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1453
1454         if (!v4l2_chip_match_host(&reg->match))
1455                 return -EINVAL;
1456         /* cx2388x has a 24-bit register space */
1457         reg->val = cx_read(reg->reg & 0xffffff);
1458         reg->size = 4;
1459         return 0;
1460 }
1461
1462 static int vidioc_s_register (struct file *file, void *fh,
1463                                 struct v4l2_dbg_register *reg)
1464 {
1465         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1466
1467         if (!v4l2_chip_match_host(&reg->match))
1468                 return -EINVAL;
1469         cx_write(reg->reg & 0xffffff, reg->val);
1470         return 0;
1471 }
1472 #endif
1473
1474 /* ----------------------------------------------------------- */
1475 /* RADIO ESPECIFIC IOCTLS                                      */
1476 /* ----------------------------------------------------------- */
1477
1478 static int radio_querycap (struct file *file, void  *priv,
1479                                         struct v4l2_capability *cap)
1480 {
1481         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1482         struct cx88_core  *core = dev->core;
1483
1484         strcpy(cap->driver, "cx8800");
1485         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1486         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1487         cap->version = CX88_VERSION_CODE;
1488         cap->capabilities = V4L2_CAP_TUNER;
1489         return 0;
1490 }
1491
1492 static int radio_g_tuner (struct file *file, void *priv,
1493                                 struct v4l2_tuner *t)
1494 {
1495         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1496
1497         if (unlikely(t->index > 0))
1498                 return -EINVAL;
1499
1500         strcpy(t->name, "Radio");
1501         t->type = V4L2_TUNER_RADIO;
1502
1503         call_all(core, tuner, g_tuner, t);
1504         return 0;
1505 }
1506
1507 static int radio_enum_input (struct file *file, void *priv,
1508                                 struct v4l2_input *i)
1509 {
1510         if (i->index != 0)
1511                 return -EINVAL;
1512         strcpy(i->name,"Radio");
1513         i->type = V4L2_INPUT_TYPE_TUNER;
1514
1515         return 0;
1516 }
1517
1518 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1519 {
1520         if (unlikely(a->index))
1521                 return -EINVAL;
1522
1523         strcpy(a->name,"Radio");
1524         return 0;
1525 }
1526
1527 /* FIXME: Should add a standard for radio */
1528
1529 static int radio_s_tuner (struct file *file, void *priv,
1530                                 struct v4l2_tuner *t)
1531 {
1532         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1533
1534         if (0 != t->index)
1535                 return -EINVAL;
1536
1537         call_all(core, tuner, s_tuner, t);
1538
1539         return 0;
1540 }
1541
1542 static int radio_s_audio (struct file *file, void *fh,
1543                           struct v4l2_audio *a)
1544 {
1545         return 0;
1546 }
1547
1548 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1549 {
1550         return 0;
1551 }
1552
1553 static int radio_queryctrl (struct file *file, void *priv,
1554                             struct v4l2_queryctrl *c)
1555 {
1556         int i;
1557
1558         if (c->id <  V4L2_CID_BASE ||
1559                 c->id >= V4L2_CID_LASTP1)
1560                 return -EINVAL;
1561         if (c->id == V4L2_CID_AUDIO_MUTE ||
1562                 c->id == V4L2_CID_AUDIO_VOLUME ||
1563                 c->id == V4L2_CID_AUDIO_BALANCE) {
1564                 for (i = 0; i < CX8800_CTLS; i++) {
1565                         if (cx8800_ctls[i].v.id == c->id)
1566                                 break;
1567                 }
1568                 if (i == CX8800_CTLS)
1569                         return -EINVAL;
1570                 *c = cx8800_ctls[i].v;
1571         } else
1572                 *c = no_ctl;
1573         return 0;
1574 }
1575
1576 /* ----------------------------------------------------------- */
1577
1578 static void cx8800_vid_timeout(unsigned long data)
1579 {
1580         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1581         struct cx88_core *core = dev->core;
1582         struct cx88_dmaqueue *q = &dev->vidq;
1583         struct cx88_buffer *buf;
1584         unsigned long flags;
1585
1586         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1587
1588         cx_clear(MO_VID_DMACNTRL, 0x11);
1589         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1590
1591         spin_lock_irqsave(&dev->slock,flags);
1592         while (!list_empty(&q->active)) {
1593                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1594                 list_del(&buf->vb.queue);
1595                 buf->vb.state = VIDEOBUF_ERROR;
1596                 wake_up(&buf->vb.done);
1597                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1598                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1599         }
1600         restart_video_queue(dev,q);
1601         spin_unlock_irqrestore(&dev->slock,flags);
1602 }
1603
1604 static const char *cx88_vid_irqs[32] = {
1605         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1606         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1607         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1608         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1609         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1610 };
1611
1612 static void cx8800_vid_irq(struct cx8800_dev *dev)
1613 {
1614         struct cx88_core *core = dev->core;
1615         u32 status, mask, count;
1616
1617         status = cx_read(MO_VID_INTSTAT);
1618         mask   = cx_read(MO_VID_INTMSK);
1619         if (0 == (status & mask))
1620                 return;
1621         cx_write(MO_VID_INTSTAT, status);
1622         if (irq_debug  ||  (status & mask & ~0xff))
1623                 cx88_print_irqbits(core->name, "irq vid",
1624                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1625                                    status, mask);
1626
1627         /* risc op code error */
1628         if (status & (1 << 16)) {
1629                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1630                 cx_clear(MO_VID_DMACNTRL, 0x11);
1631                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1632                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1633         }
1634
1635         /* risc1 y */
1636         if (status & 0x01) {
1637                 spin_lock(&dev->slock);
1638                 count = cx_read(MO_VIDY_GPCNT);
1639                 cx88_wakeup(core, &dev->vidq, count);
1640                 spin_unlock(&dev->slock);
1641         }
1642
1643         /* risc1 vbi */
1644         if (status & 0x08) {
1645                 spin_lock(&dev->slock);
1646                 count = cx_read(MO_VBI_GPCNT);
1647                 cx88_wakeup(core, &dev->vbiq, count);
1648                 spin_unlock(&dev->slock);
1649         }
1650
1651         /* risc2 y */
1652         if (status & 0x10) {
1653                 dprintk(2,"stopper video\n");
1654                 spin_lock(&dev->slock);
1655                 restart_video_queue(dev,&dev->vidq);
1656                 spin_unlock(&dev->slock);
1657         }
1658
1659         /* risc2 vbi */
1660         if (status & 0x80) {
1661                 dprintk(2,"stopper vbi\n");
1662                 spin_lock(&dev->slock);
1663                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1664                 spin_unlock(&dev->slock);
1665         }
1666 }
1667
1668 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1669 {
1670         struct cx8800_dev *dev = dev_id;
1671         struct cx88_core *core = dev->core;
1672         u32 status;
1673         int loop, handled = 0;
1674
1675         for (loop = 0; loop < 10; loop++) {
1676                 status = cx_read(MO_PCI_INTSTAT) &
1677                         (core->pci_irqmask | PCI_INT_VIDINT);
1678                 if (0 == status)
1679                         goto out;
1680                 cx_write(MO_PCI_INTSTAT, status);
1681                 handled = 1;
1682
1683                 if (status & core->pci_irqmask)
1684                         cx88_core_irq(core,status);
1685                 if (status & PCI_INT_VIDINT)
1686                         cx8800_vid_irq(dev);
1687         };
1688         if (10 == loop) {
1689                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1690                        core->name);
1691                 cx_write(MO_PCI_INTMSK,0);
1692         }
1693
1694  out:
1695         return IRQ_RETVAL(handled);
1696 }
1697
1698 /* ----------------------------------------------------------- */
1699 /* exported stuff                                              */
1700
1701 static const struct v4l2_file_operations video_fops =
1702 {
1703         .owner         = THIS_MODULE,
1704         .open          = video_open,
1705         .release       = video_release,
1706         .read          = video_read,
1707         .poll          = video_poll,
1708         .mmap          = video_mmap,
1709         .ioctl         = video_ioctl2,
1710 };
1711
1712 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1713         .vidioc_querycap      = vidioc_querycap,
1714         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1715         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1716         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1717         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1718         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1719         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1720         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1721         .vidioc_reqbufs       = vidioc_reqbufs,
1722         .vidioc_querybuf      = vidioc_querybuf,
1723         .vidioc_qbuf          = vidioc_qbuf,
1724         .vidioc_dqbuf         = vidioc_dqbuf,
1725         .vidioc_s_std         = vidioc_s_std,
1726         .vidioc_enum_input    = vidioc_enum_input,
1727         .vidioc_g_input       = vidioc_g_input,
1728         .vidioc_s_input       = vidioc_s_input,
1729         .vidioc_queryctrl     = vidioc_queryctrl,
1730         .vidioc_g_ctrl        = vidioc_g_ctrl,
1731         .vidioc_s_ctrl        = vidioc_s_ctrl,
1732         .vidioc_streamon      = vidioc_streamon,
1733         .vidioc_streamoff     = vidioc_streamoff,
1734 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1735         .vidiocgmbuf          = vidiocgmbuf,
1736 #endif
1737         .vidioc_g_tuner       = vidioc_g_tuner,
1738         .vidioc_s_tuner       = vidioc_s_tuner,
1739         .vidioc_g_frequency   = vidioc_g_frequency,
1740         .vidioc_s_frequency   = vidioc_s_frequency,
1741 #ifdef CONFIG_VIDEO_ADV_DEBUG
1742         .vidioc_g_register    = vidioc_g_register,
1743         .vidioc_s_register    = vidioc_s_register,
1744 #endif
1745 };
1746
1747 static struct video_device cx8800_vbi_template;
1748
1749 static const struct video_device cx8800_video_template = {
1750         .name                 = "cx8800-video",
1751         .fops                 = &video_fops,
1752         .ioctl_ops            = &video_ioctl_ops,
1753         .tvnorms              = CX88_NORMS,
1754         .current_norm         = V4L2_STD_NTSC_M,
1755 };
1756
1757 static const struct v4l2_file_operations radio_fops =
1758 {
1759         .owner         = THIS_MODULE,
1760         .open          = video_open,
1761         .release       = video_release,
1762         .ioctl         = video_ioctl2,
1763 };
1764
1765 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1766         .vidioc_querycap      = radio_querycap,
1767         .vidioc_g_tuner       = radio_g_tuner,
1768         .vidioc_enum_input    = radio_enum_input,
1769         .vidioc_g_audio       = radio_g_audio,
1770         .vidioc_s_tuner       = radio_s_tuner,
1771         .vidioc_s_audio       = radio_s_audio,
1772         .vidioc_s_input       = radio_s_input,
1773         .vidioc_queryctrl     = radio_queryctrl,
1774         .vidioc_g_ctrl        = vidioc_g_ctrl,
1775         .vidioc_s_ctrl        = vidioc_s_ctrl,
1776         .vidioc_g_frequency   = vidioc_g_frequency,
1777         .vidioc_s_frequency   = vidioc_s_frequency,
1778 #ifdef CONFIG_VIDEO_ADV_DEBUG
1779         .vidioc_g_register    = vidioc_g_register,
1780         .vidioc_s_register    = vidioc_s_register,
1781 #endif
1782 };
1783
1784 static const struct video_device cx8800_radio_template = {
1785         .name                 = "cx8800-radio",
1786         .fops                 = &radio_fops,
1787         .ioctl_ops            = &radio_ioctl_ops,
1788 };
1789
1790 /* ----------------------------------------------------------- */
1791
1792 static void cx8800_unregister_video(struct cx8800_dev *dev)
1793 {
1794         if (dev->radio_dev) {
1795                 if (video_is_registered(dev->radio_dev))
1796                         video_unregister_device(dev->radio_dev);
1797                 else
1798                         video_device_release(dev->radio_dev);
1799                 dev->radio_dev = NULL;
1800         }
1801         if (dev->vbi_dev) {
1802                 if (video_is_registered(dev->vbi_dev))
1803                         video_unregister_device(dev->vbi_dev);
1804                 else
1805                         video_device_release(dev->vbi_dev);
1806                 dev->vbi_dev = NULL;
1807         }
1808         if (dev->video_dev) {
1809                 if (video_is_registered(dev->video_dev))
1810                         video_unregister_device(dev->video_dev);
1811                 else
1812                         video_device_release(dev->video_dev);
1813                 dev->video_dev = NULL;
1814         }
1815 }
1816
1817 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1818                                     const struct pci_device_id *pci_id)
1819 {
1820         struct cx8800_dev *dev;
1821         struct cx88_core *core;
1822
1823         int err;
1824
1825         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1826         if (NULL == dev)
1827                 return -ENOMEM;
1828
1829         /* pci init */
1830         dev->pci = pci_dev;
1831         if (pci_enable_device(pci_dev)) {
1832                 err = -EIO;
1833                 goto fail_free;
1834         }
1835         core = cx88_core_get(dev->pci);
1836         if (NULL == core) {
1837                 err = -EINVAL;
1838                 goto fail_free;
1839         }
1840         dev->core = core;
1841
1842         /* print pci info */
1843         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1844         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1845         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1846                "latency: %d, mmio: 0x%llx\n", core->name,
1847                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1848                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1849
1850         pci_set_master(pci_dev);
1851         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1852                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1853                 err = -EIO;
1854                 goto fail_core;
1855         }
1856
1857         /* Initialize VBI template */
1858         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1859                 sizeof(cx8800_vbi_template) );
1860         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1861
1862         /* initialize driver struct */
1863         spin_lock_init(&dev->slock);
1864         core->tvnorm = cx8800_video_template.current_norm;
1865
1866         /* init video dma queues */
1867         INIT_LIST_HEAD(&dev->vidq.active);
1868         INIT_LIST_HEAD(&dev->vidq.queued);
1869         dev->vidq.timeout.function = cx8800_vid_timeout;
1870         dev->vidq.timeout.data     = (unsigned long)dev;
1871         init_timer(&dev->vidq.timeout);
1872         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1873                           MO_VID_DMACNTRL,0x11,0x00);
1874
1875         /* init vbi dma queues */
1876         INIT_LIST_HEAD(&dev->vbiq.active);
1877         INIT_LIST_HEAD(&dev->vbiq.queued);
1878         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1879         dev->vbiq.timeout.data     = (unsigned long)dev;
1880         init_timer(&dev->vbiq.timeout);
1881         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1882                           MO_VID_DMACNTRL,0x88,0x00);
1883
1884         /* get irq */
1885         err = request_irq(pci_dev->irq, cx8800_irq,
1886                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1887         if (err < 0) {
1888                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1889                        core->name,pci_dev->irq);
1890                 goto fail_core;
1891         }
1892         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1893
1894         /* load and configure helper modules */
1895
1896         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1897                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1898                                 NULL, "wm8775", 0x36 >> 1, NULL);
1899
1900         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1901                 /* This probes for a tda9874 as is used on some
1902                    Pixelview Ultra boards. */
1903                 v4l2_i2c_new_subdev(&core->v4l2_dev,
1904                                 &core->i2c_adap,
1905                                 NULL, "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1906         }
1907
1908         switch (core->boardnr) {
1909         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1910         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1911                 static const struct i2c_board_info rtc_info = {
1912                         I2C_BOARD_INFO("isl1208", 0x6f)
1913                 };
1914
1915                 request_module("rtc-isl1208");
1916                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1917         }
1918                 /* break intentionally omitted */
1919         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1920                 request_module("ir-kbd-i2c");
1921         }
1922
1923         /* register v4l devices */
1924         dev->video_dev = cx88_vdev_init(core,dev->pci,
1925                                         &cx8800_video_template,"video");
1926         video_set_drvdata(dev->video_dev, dev);
1927         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1928                                     video_nr[core->nr]);
1929         if (err < 0) {
1930                 printk(KERN_ERR "%s/0: can't register video device\n",
1931                        core->name);
1932                 goto fail_unreg;
1933         }
1934         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1935                core->name, video_device_node_name(dev->video_dev));
1936
1937         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1938         video_set_drvdata(dev->vbi_dev, dev);
1939         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1940                                     vbi_nr[core->nr]);
1941         if (err < 0) {
1942                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1943                        core->name);
1944                 goto fail_unreg;
1945         }
1946         printk(KERN_INFO "%s/0: registered device %s\n",
1947                core->name, video_device_node_name(dev->vbi_dev));
1948
1949         if (core->board.radio.type == CX88_RADIO) {
1950                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1951                                                 &cx8800_radio_template,"radio");
1952                 video_set_drvdata(dev->radio_dev, dev);
1953                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1954                                             radio_nr[core->nr]);
1955                 if (err < 0) {
1956                         printk(KERN_ERR "%s/0: can't register radio device\n",
1957                                core->name);
1958                         goto fail_unreg;
1959                 }
1960                 printk(KERN_INFO "%s/0: registered device %s\n",
1961                        core->name, video_device_node_name(dev->radio_dev));
1962         }
1963
1964         /* everything worked */
1965         pci_set_drvdata(pci_dev,dev);
1966
1967         /* initial device configuration */
1968         mutex_lock(&core->lock);
1969         cx88_set_tvnorm(core,core->tvnorm);
1970         init_controls(core);
1971         cx88_video_mux(core,0);
1972         mutex_unlock(&core->lock);
1973
1974         /* start tvaudio thread */
1975         if (core->board.tuner_type != TUNER_ABSENT) {
1976                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1977                 if (IS_ERR(core->kthread)) {
1978                         err = PTR_ERR(core->kthread);
1979                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1980                                core->name, err);
1981                 }
1982         }
1983         return 0;
1984
1985 fail_unreg:
1986         cx8800_unregister_video(dev);
1987         free_irq(pci_dev->irq, dev);
1988 fail_core:
1989         cx88_core_put(core,dev->pci);
1990 fail_free:
1991         kfree(dev);
1992         return err;
1993 }
1994
1995 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1996 {
1997         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1998         struct cx88_core *core = dev->core;
1999
2000         /* stop thread */
2001         if (core->kthread) {
2002                 kthread_stop(core->kthread);
2003                 core->kthread = NULL;
2004         }
2005
2006         if (core->ir)
2007                 cx88_ir_stop(core);
2008
2009         cx88_shutdown(core); /* FIXME */
2010         pci_disable_device(pci_dev);
2011
2012         /* unregister stuff */
2013
2014         free_irq(pci_dev->irq, dev);
2015         cx8800_unregister_video(dev);
2016         pci_set_drvdata(pci_dev, NULL);
2017
2018         /* free memory */
2019         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2020         cx88_core_put(core,dev->pci);
2021         kfree(dev);
2022 }
2023
2024 #ifdef CONFIG_PM
2025 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2026 {
2027         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2028         struct cx88_core *core = dev->core;
2029
2030         /* stop video+vbi capture */
2031         spin_lock(&dev->slock);
2032         if (!list_empty(&dev->vidq.active)) {
2033                 printk("%s/0: suspend video\n", core->name);
2034                 stop_video_dma(dev);
2035                 del_timer(&dev->vidq.timeout);
2036         }
2037         if (!list_empty(&dev->vbiq.active)) {
2038                 printk("%s/0: suspend vbi\n", core->name);
2039                 cx8800_stop_vbi_dma(dev);
2040                 del_timer(&dev->vbiq.timeout);
2041         }
2042         spin_unlock(&dev->slock);
2043
2044         if (core->ir)
2045                 cx88_ir_stop(core);
2046         /* FIXME -- shutdown device */
2047         cx88_shutdown(core);
2048
2049         pci_save_state(pci_dev);
2050         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2051                 pci_disable_device(pci_dev);
2052                 dev->state.disabled = 1;
2053         }
2054         return 0;
2055 }
2056
2057 static int cx8800_resume(struct pci_dev *pci_dev)
2058 {
2059         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2060         struct cx88_core *core = dev->core;
2061         int err;
2062
2063         if (dev->state.disabled) {
2064                 err=pci_enable_device(pci_dev);
2065                 if (err) {
2066                         printk(KERN_ERR "%s/0: can't enable device\n",
2067                                core->name);
2068                         return err;
2069                 }
2070
2071                 dev->state.disabled = 0;
2072         }
2073         err= pci_set_power_state(pci_dev, PCI_D0);
2074         if (err) {
2075                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2076                 pci_disable_device(pci_dev);
2077                 dev->state.disabled = 1;
2078
2079                 return err;
2080         }
2081         pci_restore_state(pci_dev);
2082
2083         /* FIXME: re-initialize hardware */
2084         cx88_reset(core);
2085         if (core->ir)
2086                 cx88_ir_start(core);
2087
2088         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2089
2090         /* restart video+vbi capture */
2091         spin_lock(&dev->slock);
2092         if (!list_empty(&dev->vidq.active)) {
2093                 printk("%s/0: resume video\n", core->name);
2094                 restart_video_queue(dev,&dev->vidq);
2095         }
2096         if (!list_empty(&dev->vbiq.active)) {
2097                 printk("%s/0: resume vbi\n", core->name);
2098                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2099         }
2100         spin_unlock(&dev->slock);
2101
2102         return 0;
2103 }
2104 #endif
2105
2106 /* ----------------------------------------------------------- */
2107
2108 static const struct pci_device_id cx8800_pci_tbl[] = {
2109         {
2110                 .vendor       = 0x14f1,
2111                 .device       = 0x8800,
2112                 .subvendor    = PCI_ANY_ID,
2113                 .subdevice    = PCI_ANY_ID,
2114         },{
2115                 /* --- end of list --- */
2116         }
2117 };
2118 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2119
2120 static struct pci_driver cx8800_pci_driver = {
2121         .name     = "cx8800",
2122         .id_table = cx8800_pci_tbl,
2123         .probe    = cx8800_initdev,
2124         .remove   = __devexit_p(cx8800_finidev),
2125 #ifdef CONFIG_PM
2126         .suspend  = cx8800_suspend,
2127         .resume   = cx8800_resume,
2128 #endif
2129 };
2130
2131 static int __init cx8800_init(void)
2132 {
2133         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2134                (CX88_VERSION_CODE >> 16) & 0xff,
2135                (CX88_VERSION_CODE >>  8) & 0xff,
2136                CX88_VERSION_CODE & 0xff);
2137 #ifdef SNAPSHOT
2138         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2139                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2140 #endif
2141         return pci_register_driver(&cx8800_pci_driver);
2142 }
2143
2144 static void __exit cx8800_fini(void)
2145 {
2146         pci_unregister_driver(&cx8800_pci_driver);
2147 }
2148
2149 module_init(cx8800_init);
2150 module_exit(cx8800_fini);
2151
2152 /* ----------------------------------------------------------- */
2153 /*
2154  * Local variables:
2155  * c-basic-offset: 8
2156  * End:
2157  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
2158  */