SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/video/pvrusb2/pvrusb2-v4l2.c

   1 /*
   2  *
   3  *  $Id$
   4  *
   5  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
   6  *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include <linux/kernel.h>
  24 #include <linux/version.h>
  25 #include "pvrusb2-context.h"
  26 #include "pvrusb2-hdw.h"
  27 #include "pvrusb2.h"
  28 #include "pvrusb2-debug.h"
  29 #include "pvrusb2-v4l2.h"
  30 #include "pvrusb2-ioread.h"
  31 #include <linux/videodev2.h>
  32 #include <media/v4l2-dev.h>
  33 #include <media/v4l2-common.h>
  34
  35 struct pvr2_v4l2_dev;
  36 struct pvr2_v4l2_fh;
  37 struct pvr2_v4l2;
  38
  39 struct pvr2_v4l2_dev {
  40         struct video_device devbase; /* MUST be first! */
  41         struct pvr2_v4l2 *v4lp;
  42         struct pvr2_context_stream *stream;
  43         enum pvr2_config config;
  44 };
  45
  46 struct pvr2_v4l2_fh {
  47         struct pvr2_channel channel;
  48         struct pvr2_v4l2_dev *dev_info;
  49         enum v4l2_priority prio;
  50         struct pvr2_ioread *rhp;
  51         struct file *file;
  52         struct pvr2_v4l2 *vhead;
  53         struct pvr2_v4l2_fh *vnext;
  54         struct pvr2_v4l2_fh *vprev;
  55         wait_queue_head_t wait_data;
  56         int fw_mode_flag;
  57 };
  58
  59 struct pvr2_v4l2 {
  60         struct pvr2_channel channel;
  61         struct pvr2_v4l2_fh *vfirst;
  62         struct pvr2_v4l2_fh *vlast;
  63
  64         struct v4l2_prio_state prio;
  65
  66         /* streams - Note that these must be separately, individually,
  67          * allocated pointers.  This is because the v4l core is going to
  68          * manage their deletion - separately, individually...  */
  69         struct pvr2_v4l2_dev *dev_video;
  70         struct pvr2_v4l2_dev *dev_radio;
  71 };
  72
  73 static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1};
  74 module_param_array(video_nr, int, NULL, 0444);
  75 MODULE_PARM_DESC(video_nr, "Offset for device's video dev minor");
  76 static int radio_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1};
  77 module_param_array(radio_nr, int, NULL, 0444);
  78 MODULE_PARM_DESC(radio_nr, "Offset for device's radio dev minor");
  79 static int vbi_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1};
  80 module_param_array(vbi_nr, int, NULL, 0444);
  81 MODULE_PARM_DESC(vbi_nr, "Offset for device's vbi dev minor");
  82
  83 static struct v4l2_capability pvr_capability ={
  84         .driver         = "pvrusb2",
  85         .card           = "Hauppauge WinTV pvr-usb2",
  86         .bus_info       = "usb",
  87         .version        = KERNEL_VERSION(0,8,0),
  88         .capabilities   = (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
  89                            V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO |
  90                            V4L2_CAP_READWRITE),
  91         .reserved       = {0,0,0,0}
  92 };
  93
  94 static struct v4l2_tuner pvr_v4l2_tuners[]= {
  95         {
  96                 .index      = 0,
  97                 .name       = "TV Tuner",
  98                 .type           = V4L2_TUNER_ANALOG_TV,
  99                 .capability     = (V4L2_TUNER_CAP_NORM |
 100                                    V4L2_TUNER_CAP_STEREO |
 101                                    V4L2_TUNER_CAP_LANG1 |
 102                                    V4L2_TUNER_CAP_LANG2),
 103                 .rangelow   = 0,
 104                 .rangehigh  = 0,
 105                 .rxsubchans     = V4L2_TUNER_SUB_STEREO,
 106                 .audmode        = V4L2_TUNER_MODE_STEREO,
 107                 .signal         = 0,
 108                 .afc            = 0,
 109                 .reserved       = {0,0,0,0}
 110         }
 111 };
 112
 113 static struct v4l2_fmtdesc pvr_fmtdesc [] = {
 114         {
 115                 .index          = 0,
 116                 .type           = V4L2_BUF_TYPE_VIDEO_CAPTURE,
 117                 .flags          = V4L2_FMT_FLAG_COMPRESSED,
 118                 .description    = "MPEG1/2",
 119                 // This should really be V4L2_PIX_FMT_MPEG, but xawtv
 120                 // breaks when I do that.
 121                 .pixelformat    = 0, // V4L2_PIX_FMT_MPEG,
 122                 .reserved       = { 0, 0, 0, 0 }
 123         }
 124 };
 125
 126 #define PVR_FORMAT_PIX  0
 127 #define PVR_FORMAT_VBI  1
 128
 129 static struct v4l2_format pvr_format [] = {
 130         [PVR_FORMAT_PIX] = {
 131                 .type   = V4L2_BUF_TYPE_VIDEO_CAPTURE,
 132                 .fmt    = {
 133                         .pix        = {
 134                                 .width          = 720,
 135                                 .height             = 576,
 136                                 // This should really be V4L2_PIX_FMT_MPEG,
 137                                 // but xawtv breaks when I do that.
 138                                 .pixelformat    = 0, // V4L2_PIX_FMT_MPEG,
 139                                 .field          = V4L2_FIELD_INTERLACED,
 140                                 .bytesperline   = 0,  // doesn't make sense
 141                                                       // here
 142                                 //FIXME : Don't know what to put here...
 143                                 .sizeimage          = (32*1024),
 144                                 .colorspace     = 0, // doesn't make sense here
 145                                 .priv           = 0
 146                         }
 147                 }
 148         },
 149         [PVR_FORMAT_VBI] = {
 150                 .type   = V4L2_BUF_TYPE_VBI_CAPTURE,
 151                 .fmt    = {
 152                         .vbi        = {
 153                                 .sampling_rate = 27000000,
 154                                 .offset = 248,
 155                                 .samples_per_line = 1443,
 156                                 .sample_format = V4L2_PIX_FMT_GREY,
 157                                 .start = { 0, 0 },
 158                                 .count = { 0, 0 },
 159                                 .flags = 0,
 160                                 .reserved = { 0, 0 }
 161                         }
 162                 }
 163         }
 164 };
 165
 166 /*
 167  * pvr_ioctl()
 168  *
 169  * This is part of Video 4 Linux API. The procedure handles ioctl() calls.
 170  *
 171  */
 172 static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
 173                               unsigned int cmd, void *arg)
 174 {
 175         struct pvr2_v4l2_fh *fh = file->private_data;
 176         struct pvr2_v4l2 *vp = fh->vhead;
 177         struct pvr2_v4l2_dev *dev_info = fh->dev_info;
 178         struct pvr2_hdw *hdw = fh->channel.mc_head->hdw;
 179         int ret = -EINVAL;
 180
 181         if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) {
 182                 v4l_print_ioctl(pvr2_hdw_get_driver_name(hdw),cmd);
 183         }
 184
 185         if (!pvr2_hdw_dev_ok(hdw)) {
 186                 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
 187                            "ioctl failed - bad or no context");
 188                 return -EFAULT;
 189         }
 190
 191         /* check priority */
 192         switch (cmd) {
 193         case VIDIOC_S_CTRL:
 194         case VIDIOC_S_STD:
 195         case VIDIOC_S_INPUT:
 196         case VIDIOC_S_TUNER:
 197         case VIDIOC_S_FREQUENCY:
 198                 ret = v4l2_prio_check(&vp->prio, &fh->prio);
 199                 if (ret)
 200                         return ret;
 201         }
 202
 203         switch (cmd) {
 204         case VIDIOC_QUERYCAP:
 205         {
 206                 struct v4l2_capability *cap = arg;
 207
 208                 memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability));
 209
 210                 ret = 0;
 211                 break;
 212         }
 213
 214         case VIDIOC_G_PRIORITY:
 215         {
 216                 enum v4l2_priority *p = arg;
 217
 218                 *p = v4l2_prio_max(&vp->prio);
 219                 ret = 0;
 220                 break;
 221         }
 222
 223         case VIDIOC_S_PRIORITY:
 224         {
 225                 enum v4l2_priority *prio = arg;
 226
 227                 ret = v4l2_prio_change(&vp->prio, &fh->prio, *prio);
 228                 break;
 229         }
 230
 231         case VIDIOC_ENUMSTD:
 232         {
 233                 struct v4l2_standard *vs = (struct v4l2_standard *)arg;
 234                 int idx = vs->index;
 235                 ret = pvr2_hdw_get_stdenum_value(hdw,vs,idx+1);
 236                 break;
 237         }
 238
 239         case VIDIOC_G_STD:
 240         {
 241                 int val = 0;
 242                 ret = pvr2_ctrl_get_value(
 243                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR),&val);
 244                 *(v4l2_std_id *)arg = val;
 245                 break;
 246         }
 247
 248         case VIDIOC_S_STD:
 249         {
 250                 ret = pvr2_ctrl_set_value(
 251                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR),
 252                         *(v4l2_std_id *)arg);
 253                 break;
 254         }
 255
 256         case VIDIOC_ENUMINPUT:
 257         {
 258                 struct pvr2_ctrl *cptr;
 259                 struct v4l2_input *vi = (struct v4l2_input *)arg;
 260                 struct v4l2_input tmp;
 261                 unsigned int cnt;
 262
 263                 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT);
 264
 265                 memset(&tmp,0,sizeof(tmp));
 266                 tmp.index = vi->index;
 267                 ret = 0;
 268                 switch (vi->index) {
 269                 case PVR2_CVAL_INPUT_TV:
 270                 case PVR2_CVAL_INPUT_RADIO:
 271                         tmp.type = V4L2_INPUT_TYPE_TUNER;
 272                         break;
 273                 case PVR2_CVAL_INPUT_SVIDEO:
 274                 case PVR2_CVAL_INPUT_COMPOSITE:
 275                         tmp.type = V4L2_INPUT_TYPE_CAMERA;
 276                         break;
 277                 default:
 278                         ret = -EINVAL;
 279                         break;
 280                 }
 281                 if (ret < 0) break;
 282
 283                 cnt = 0;
 284                 pvr2_ctrl_get_valname(cptr,vi->index,
 285                                       tmp.name,sizeof(tmp.name)-1,&cnt);
 286                 tmp.name[cnt] = 0;
 287
 288                 /* Don't bother with audioset, since this driver currently
 289                    always switches the audio whenever the video is
 290                    switched. */
 291
 292                 /* Handling std is a tougher problem.  It doesn't make
 293                    sense in cases where a device might be multi-standard.
 294                    We could just copy out the current value for the
 295                    standard, but it can change over time.  For now just
 296                    leave it zero. */
 297
 298                 memcpy(vi, &tmp, sizeof(tmp));
 299
 300                 ret = 0;
 301                 break;
 302         }
 303
 304         case VIDIOC_G_INPUT:
 305         {
 306                 struct pvr2_ctrl *cptr;
 307                 struct v4l2_input *vi = (struct v4l2_input *)arg;
 308                 int val;
 309                 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT);
 310                 val = 0;
 311                 ret = pvr2_ctrl_get_value(cptr,&val);
 312                 vi->index = val;
 313                 break;
 314         }
 315
 316         case VIDIOC_S_INPUT:
 317         {
 318                 struct v4l2_input *vi = (struct v4l2_input *)arg;
 319                 ret = pvr2_ctrl_set_value(
 320                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT),
 321                         vi->index);
 322                 break;
 323         }
 324
 325         case VIDIOC_ENUMAUDIO:
 326         {
 327                 ret = -EINVAL;
 328                 break;
 329         }
 330
 331         case VIDIOC_G_AUDIO:
 332         {
 333                 ret = -EINVAL;
 334                 break;
 335         }
 336
 337         case VIDIOC_S_AUDIO:
 338         {
 339                 ret = -EINVAL;
 340                 break;
 341         }
 342         case VIDIOC_G_TUNER:
 343         {
 344                 struct v4l2_tuner *vt = (struct v4l2_tuner *)arg;
 345                 unsigned int status_mask;
 346                 int val;
 347                 if (vt->index !=0) break;
 348
 349                 status_mask = pvr2_hdw_get_signal_status(hdw);
 350
 351                 memcpy(vt, &pvr_v4l2_tuners[vt->index],
 352                        sizeof(struct v4l2_tuner));
 353
 354                 vt->signal = 0;
 355                 if (status_mask & PVR2_SIGNAL_OK) {
 356                         if (status_mask & PVR2_SIGNAL_STEREO) {
 357                                 vt->rxsubchans = V4L2_TUNER_SUB_STEREO;
 358                         } else {
 359                                 vt->rxsubchans = V4L2_TUNER_SUB_MONO;
 360                         }
 361                         if (status_mask & PVR2_SIGNAL_SAP) {
 362                                 vt->rxsubchans |= (V4L2_TUNER_SUB_LANG1 |
 363                                                    V4L2_TUNER_SUB_LANG2);
 364                         }
 365                         vt->signal = 65535;
 366                 }
 367
 368                 val = 0;
 369                 ret = pvr2_ctrl_get_value(
 370                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_AUDIOMODE),
 371                         &val);
 372                 vt->audmode = val;
 373                 break;
 374         }
 375
 376         case VIDIOC_S_TUNER:
 377         {
 378                 struct v4l2_tuner *vt=(struct v4l2_tuner *)arg;
 379
 380                 if (vt->index != 0)
 381                         break;
 382
 383                 ret = pvr2_ctrl_set_value(
 384                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_AUDIOMODE),
 385                         vt->audmode);
 386         }
 387
 388         case VIDIOC_S_FREQUENCY:
 389         {
 390                 const struct v4l2_frequency *vf = (struct v4l2_frequency *)arg;
 391                 ret = pvr2_ctrl_set_value(
 392                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),
 393                         vf->frequency * 62500);
 394                 break;
 395         }
 396
 397         case VIDIOC_G_FREQUENCY:
 398         {
 399                 struct v4l2_frequency *vf = (struct v4l2_frequency *)arg;
 400                 int val = 0;
 401                 ret = pvr2_ctrl_get_value(
 402                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),
 403                         &val);
 404                 val /= 62500;
 405                 vf->frequency = val;
 406                 break;
 407         }
 408
 409         case VIDIOC_ENUM_FMT:
 410         {
 411                 struct v4l2_fmtdesc *fd = (struct v4l2_fmtdesc *)arg;
 412
 413                 /* Only one format is supported : mpeg.*/
 414                 if (fd->index != 0)
 415                         break;
 416
 417                 memcpy(fd, pvr_fmtdesc, sizeof(struct v4l2_fmtdesc));
 418                 ret = 0;
 419                 break;
 420         }
 421
 422         case VIDIOC_G_FMT:
 423         {
 424                 struct v4l2_format *vf = (struct v4l2_format *)arg;
 425                 int val;
 426                 switch(vf->type) {
 427                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 428                         memcpy(vf, &pvr_format[PVR_FORMAT_PIX],
 429                                sizeof(struct v4l2_format));
 430                         val = 0;
 431                         pvr2_ctrl_get_value(
 432                                 pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_HRES),
 433                                 &val);
 434                         vf->fmt.pix.width = val;
 435                         val = 0;
 436                         pvr2_ctrl_get_value(
 437                                 pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_VRES),
 438                                 &val);
 439                         vf->fmt.pix.height = val;
 440                         ret = 0;
 441                         break;
 442                 case V4L2_BUF_TYPE_VBI_CAPTURE:
 443                         // ????? Still need to figure out to do VBI correctly
 444                         ret = -EINVAL;
 445                         break;
 446                 default:
 447                         ret = -EINVAL;
 448                         break;
 449                 }
 450                 break;
 451         }
 452
 453         case VIDIOC_TRY_FMT:
 454         case VIDIOC_S_FMT:
 455         {
 456                 struct v4l2_format *vf = (struct v4l2_format *)arg;
 457
 458                 ret = 0;
 459                 switch(vf->type) {
 460                 case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
 461                         int lmin,lmax;
 462                         struct pvr2_ctrl *hcp,*vcp;
 463                         int h = vf->fmt.pix.height;
 464                         int w = vf->fmt.pix.width;
 465                         hcp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_HRES);
 466                         vcp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_VRES);
 467
 468                         lmin = pvr2_ctrl_get_min(hcp);
 469                         lmax = pvr2_ctrl_get_max(hcp);
 470                         if (w < lmin) {
 471                                 w = lmin;
 472                         } else if (w > lmax) {
 473                                 w = lmax;
 474                         }
 475                         lmin = pvr2_ctrl_get_min(vcp);
 476                         lmax = pvr2_ctrl_get_max(vcp);
 477                         if (h < lmin) {
 478                                 h = lmin;
 479                         } else if (h > lmax) {
 480                                 h = lmax;
 481                         }
 482
 483                         memcpy(vf, &pvr_format[PVR_FORMAT_PIX],
 484                                sizeof(struct v4l2_format));
 485                         vf->fmt.pix.width = w;
 486                         vf->fmt.pix.height = h;
 487
 488                         if (cmd == VIDIOC_S_FMT) {
 489                                 pvr2_ctrl_set_value(hcp,vf->fmt.pix.width);
 490                                 pvr2_ctrl_set_value(vcp,vf->fmt.pix.height);
 491                         }
 492                 } break;
 493                 case V4L2_BUF_TYPE_VBI_CAPTURE:
 494                         // ????? Still need to figure out to do VBI correctly
 495                         ret = -EINVAL;
 496                         break;
 497                 default:
 498                         ret = -EINVAL;
 499                         break;
 500                 }
 501                 break;
 502         }
 503
 504         case VIDIOC_STREAMON:
 505         {
 506                 ret = pvr2_hdw_set_stream_type(hdw,dev_info->config);
 507                 if (ret < 0) return ret;
 508                 ret = pvr2_hdw_set_streaming(hdw,!0);
 509                 break;
 510         }
 511
 512         case VIDIOC_STREAMOFF:
 513         {
 514                 ret = pvr2_hdw_set_streaming(hdw,0);
 515                 break;
 516         }
 517
 518         case VIDIOC_QUERYCTRL:
 519         {
 520                 struct pvr2_ctrl *cptr;
 521                 struct v4l2_queryctrl *vc = (struct v4l2_queryctrl *)arg;
 522                 ret = 0;
 523                 if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) {
 524                         cptr = pvr2_hdw_get_ctrl_nextv4l(
 525                                 hdw,(vc->id & ~V4L2_CTRL_FLAG_NEXT_CTRL));
 526                         if (cptr) vc->id = pvr2_ctrl_get_v4lid(cptr);
 527                 } else {
 528                         cptr = pvr2_hdw_get_ctrl_v4l(hdw,vc->id);
 529                 }
 530                 if (!cptr) {
 531                         pvr2_trace(PVR2_TRACE_V4LIOCTL,
 532                                    "QUERYCTRL id=0x%x not implemented here",
 533                                    vc->id);
 534                         ret = -EINVAL;
 535                         break;
 536                 }
 537
 538                 pvr2_trace(PVR2_TRACE_V4LIOCTL,
 539                            "QUERYCTRL id=0x%x mapping name=%s (%s)",
 540                            vc->id,pvr2_ctrl_get_name(cptr),
 541                            pvr2_ctrl_get_desc(cptr));
 542                 strlcpy(vc->name,pvr2_ctrl_get_desc(cptr),sizeof(vc->name));
 543                 vc->flags = pvr2_ctrl_get_v4lflags(cptr);
 544                 vc->default_value = pvr2_ctrl_get_def(cptr);
 545                 switch (pvr2_ctrl_get_type(cptr)) {
 546                 case pvr2_ctl_enum:
 547                         vc->type = V4L2_CTRL_TYPE_MENU;
 548                         vc->minimum = 0;
 549                         vc->maximum = pvr2_ctrl_get_cnt(cptr) - 1;
 550                         vc->step = 1;
 551                         break;
 552                 case pvr2_ctl_bool:
 553                         vc->type = V4L2_CTRL_TYPE_BOOLEAN;
 554                         vc->minimum = 0;
 555                         vc->maximum = 1;
 556                         vc->step = 1;
 557                         break;
 558                 case pvr2_ctl_int:
 559                         vc->type = V4L2_CTRL_TYPE_INTEGER;
 560                         vc->minimum = pvr2_ctrl_get_min(cptr);
 561                         vc->maximum = pvr2_ctrl_get_max(cptr);
 562                         vc->step = 1;
 563                         break;
 564                 default:
 565                         pvr2_trace(PVR2_TRACE_V4LIOCTL,
 566                                    "QUERYCTRL id=0x%x name=%s not mappable",
 567                                    vc->id,pvr2_ctrl_get_name(cptr));
 568                         ret = -EINVAL;
 569                         break;
 570                 }
 571                 break;
 572         }
 573
 574         case VIDIOC_QUERYMENU:
 575         {
 576                 struct v4l2_querymenu *vm = (struct v4l2_querymenu *)arg;
 577                 unsigned int cnt = 0;
 578                 ret = pvr2_ctrl_get_valname(pvr2_hdw_get_ctrl_v4l(hdw,vm->id),
 579                                             vm->index,
 580                                             vm->name,sizeof(vm->name)-1,
 581                                             &cnt);
 582                 vm->name[cnt] = 0;
 583                 break;
 584         }
 585
 586         case VIDIOC_G_CTRL:
 587         {
 588                 struct v4l2_control *vc = (struct v4l2_control *)arg;
 589                 int val = 0;
 590                 ret = pvr2_ctrl_get_value(pvr2_hdw_get_ctrl_v4l(hdw,vc->id),
 591                                           &val);
 592                 vc->value = val;
 593                 break;
 594         }
 595
 596         case VIDIOC_S_CTRL:
 597         {
 598                 struct v4l2_control *vc = (struct v4l2_control *)arg;
 599                 ret = pvr2_ctrl_set_value(pvr2_hdw_get_ctrl_v4l(hdw,vc->id),
 600                                           vc->value);
 601                 break;
 602         }
 603
 604         case VIDIOC_G_EXT_CTRLS:
 605         {
 606                 struct v4l2_ext_controls *ctls =
 607                         (struct v4l2_ext_controls *)arg;
 608                 struct v4l2_ext_control *ctrl;
 609                 unsigned int idx;
 610                 int val;
 611                 for (idx = 0; idx < ctls->count; idx++) {
 612                         ctrl = ctls->controls + idx;
 613                         ret = pvr2_ctrl_get_value(
 614                                 pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id),&val);
 615                         if (ret) {
 616                                 ctls->error_idx = idx;
 617                                 break;
 618                         }
 619                         /* Ensure that if read as a 64 bit value, the user
 620                            will still get a hopefully sane value */
 621                         ctrl->value64 = 0;
 622                         ctrl->value = val;
 623                 }
 624                 break;
 625         }
 626
 627         case VIDIOC_S_EXT_CTRLS:
 628         {
 629                 struct v4l2_ext_controls *ctls =
 630                         (struct v4l2_ext_controls *)arg;
 631                 struct v4l2_ext_control *ctrl;
 632                 unsigned int idx;
 633                 for (idx = 0; idx < ctls->count; idx++) {
 634                         ctrl = ctls->controls + idx;
 635                         ret = pvr2_ctrl_set_value(
 636                                 pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id),
 637                                 ctrl->value);
 638                         if (ret) {
 639                                 ctls->error_idx = idx;
 640                                 break;
 641                         }
 642                 }
 643                 break;
 644         }
 645
 646         case VIDIOC_TRY_EXT_CTRLS:
 647         {
 648                 struct v4l2_ext_controls *ctls =
 649                         (struct v4l2_ext_controls *)arg;
 650                 struct v4l2_ext_control *ctrl;
 651                 struct pvr2_ctrl *pctl;
 652                 unsigned int idx;
 653                 /* For the moment just validate that the requested control
 654                    actually exists. */
 655                 for (idx = 0; idx < ctls->count; idx++) {
 656                         ctrl = ctls->controls + idx;
 657                         pctl = pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id);
 658                         if (!pctl) {
 659                                 ret = -EINVAL;
 660                                 ctls->error_idx = idx;
 661                                 break;
 662                         }
 663                 }
 664                 break;
 665         }
 666
 667         case VIDIOC_LOG_STATUS:
 668         {
 669                 pvr2_hdw_trigger_module_log(hdw);
 670                 ret = 0;
 671                 break;
 672         }
 673 #ifdef CONFIG_VIDEO_ADV_DEBUG
 674         case VIDIOC_INT_G_REGISTER:
 675         case VIDIOC_INT_S_REGISTER:
 676         {
 677                 u32 val;
 678                 struct v4l2_register *req = (struct v4l2_register *)arg;
 679                 if (cmd == VIDIOC_INT_S_REGISTER) val = req->val;
 680                 ret = pvr2_hdw_register_access(
 681                         hdw,req->i2c_id,req->reg,
 682                         cmd == VIDIOC_INT_S_REGISTER,&val);
 683                 if (cmd == VIDIOC_INT_G_REGISTER) req->val = val;
 684                 break;
 685         }
 686 #endif
 687
 688         default :
 689                 ret = v4l_compat_translate_ioctl(inode,file,cmd,
 690                                                  arg,pvr2_v4l2_do_ioctl);
 691         }
 692
 693         pvr2_hdw_commit_ctl(hdw);
 694
 695         if (ret < 0) {
 696                 if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) {
 697                         pvr2_trace(PVR2_TRACE_V4LIOCTL,
 698                                    "pvr2_v4l2_do_ioctl failure, ret=%d",ret);
 699                 } else {
 700                         if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) {
 701                                 pvr2_trace(PVR2_TRACE_V4LIOCTL,
 702                                            "pvr2_v4l2_do_ioctl failure, ret=%d"
 703                                            " command was:",ret);
 704                                 v4l_print_ioctl(pvr2_hdw_get_driver_name(hdw),
 705                                                 cmd);
 706                         }
 707                 }
 708         } else {
 709                 pvr2_trace(PVR2_TRACE_V4LIOCTL,
 710                            "pvr2_v4l2_do_ioctl complete, ret=%d (0x%x)",
 711                            ret,ret);
 712         }
 713         return ret;
 714 }
 715
 716
 717 static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
 718 {
 719         enum pvr2_config cfg = dip->config;
 720         int minor_id = dip->devbase.minor;
 721         enum pvr2_v4l_type pvt;
 722         struct pvr2_hdw *hdw = dip->v4lp->channel.mc_head->hdw;
 723
 724         switch (cfg) {
 725         case pvr2_config_mpeg:
 726                 pvt = pvr2_v4l_type_video;
 727                 break;
 728         case pvr2_config_vbi:
 729                 pvt = pvr2_v4l_type_vbi;
 730                 break;
 731         case pvr2_config_radio:
 732                 pvt = pvr2_v4l_type_radio;
 733                 break;
 734         default: /* paranoia */
 735                 pvt = pvr2_v4l_type_video;
 736                 break;
 737         }
 738         pvr2_hdw_v4l_store_minor_number(hdw,pvt,-1);
 739
 740         /* Paranoia */
 741         dip->v4lp = NULL;
 742         dip->stream = NULL;
 743
 744         /* Actual deallocation happens later when all internal references
 745            are gone. */
 746         video_unregister_device(&dip->devbase);
 747
 748         switch (cfg) {
 749         case pvr2_config_mpeg:
 750                 printk(KERN_INFO "pvrusb2: unregistered device video%d [%s]\n",
 751                        minor_id & 0x1f,
 752                        pvr2_config_get_name(cfg));
 753                 break;
 754         case pvr2_config_radio:
 755                 printk(KERN_INFO "pvrusb2: unregistered device radio%d [%s]\n",
 756                        minor_id & 0x1f,
 757                        pvr2_config_get_name(cfg));
 758                 break;
 759         case pvr2_config_vbi:
 760                 printk(KERN_INFO "pvrusb2: unregistered device vbi%d [%s]\n",
 761                        minor_id & 0x1f,
 762                        pvr2_config_get_name(cfg));
 763                 break;
 764         default:
 765                 break;
 766         }
 767
 768 }
 769
 770
 771 static void pvr2_v4l2_destroy_no_lock(struct pvr2_v4l2 *vp)
 772 {
 773         if (vp->dev_video) {
 774                 pvr2_v4l2_dev_destroy(vp->dev_video);
 775                 vp->dev_video = 0;
 776         }
 777         if (vp->dev_radio) {
 778                 pvr2_v4l2_dev_destroy(vp->dev_radio);
 779                 vp->dev_radio = 0;
 780         }
 781
 782         pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr2_v4l2 id=%p",vp);
 783         pvr2_channel_done(&vp->channel);
 784         kfree(vp);
 785 }
 786
 787
 788 static void pvr2_video_device_release(struct video_device *vdev)
 789 {
 790         struct pvr2_v4l2_dev *dev;
 791         dev = container_of(vdev,struct pvr2_v4l2_dev,devbase);
 792         kfree(dev);
 793 }
 794
 795
 796 static void pvr2_v4l2_internal_check(struct pvr2_channel *chp)
 797 {
 798         struct pvr2_v4l2 *vp;
 799         vp = container_of(chp,struct pvr2_v4l2,channel);
 800         if (!vp->channel.mc_head->disconnect_flag) return;
 801         if (vp->vfirst) return;
 802         pvr2_v4l2_destroy_no_lock(vp);
 803 }
 804
 805
 806 static int pvr2_v4l2_ioctl(struct inode *inode, struct file *file,
 807                            unsigned int cmd, unsigned long arg)
 808 {
 809
 810 /* Temporary hack : use ivtv api until a v4l2 one is available. */
 811 #define IVTV_IOC_G_CODEC        0xFFEE7703
 812 #define IVTV_IOC_S_CODEC        0xFFEE7704
 813         if (cmd == IVTV_IOC_G_CODEC || cmd == IVTV_IOC_S_CODEC) return 0;
 814         return video_usercopy(inode, file, cmd, arg, pvr2_v4l2_do_ioctl);
 815 }
 816
 817
 818 static int pvr2_v4l2_release(struct inode *inode, struct file *file)
 819 {
 820         struct pvr2_v4l2_fh *fhp = file->private_data;
 821         struct pvr2_v4l2 *vp = fhp->vhead;
 822         struct pvr2_context *mp = fhp->vhead->channel.mc_head;
 823
 824         pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_release");
 825
 826         if (fhp->rhp) {
 827                 struct pvr2_stream *sp;
 828                 struct pvr2_hdw *hdw;
 829                 hdw = fhp->channel.mc_head->hdw;
 830                 pvr2_hdw_set_streaming(hdw,0);
 831                 sp = pvr2_ioread_get_stream(fhp->rhp);
 832                 if (sp) pvr2_stream_set_callback(sp,NULL,NULL);
 833                 pvr2_ioread_destroy(fhp->rhp);
 834                 fhp->rhp = NULL;
 835         }
 836
 837         if (fhp->dev_info->config == pvr2_config_radio) {
 838                 int ret;
 839                 struct pvr2_hdw *hdw;
 840                 hdw = fhp->channel.mc_head->hdw;
 841                 if ((ret = pvr2_ctrl_set_value(
 842                         pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT),
 843                         PVR2_CVAL_INPUT_TV))) {
 844                         return ret;
 845                 }
 846         }
 847
 848         v4l2_prio_close(&vp->prio, &fhp->prio);
 849         file->private_data = NULL;
 850
 851         pvr2_context_enter(mp); do {
 852                 if (fhp->vnext) {
 853                         fhp->vnext->vprev = fhp->vprev;
 854                 } else {
 855                         vp->vlast = fhp->vprev;
 856                 }
 857                 if (fhp->vprev) {
 858                         fhp->vprev->vnext = fhp->vnext;
 859                 } else {
 860                         vp->vfirst = fhp->vnext;
 861                 }
 862                 fhp->vnext = NULL;
 863                 fhp->vprev = NULL;
 864                 fhp->vhead = NULL;
 865                 pvr2_channel_done(&fhp->channel);
 866                 pvr2_trace(PVR2_TRACE_STRUCT,
 867                            "Destroying pvr_v4l2_fh id=%p",fhp);
 868                 kfree(fhp);
 869                 if (vp->channel.mc_head->disconnect_flag && !vp->vfirst) {
 870                         pvr2_v4l2_destroy_no_lock(vp);
 871                 }
 872         } while (0); pvr2_context_exit(mp);
 873         return 0;
 874 }
 875
 876
 877 static int pvr2_v4l2_open(struct inode *inode, struct file *file)
 878 {
 879         struct pvr2_v4l2_dev *dip; /* Our own context pointer */
 880         struct pvr2_v4l2_fh *fhp;
 881         struct pvr2_v4l2 *vp;
 882         struct pvr2_hdw *hdw;
 883
 884         dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase);
 885
 886         vp = dip->v4lp;
 887         hdw = vp->channel.hdw;
 888
 889         pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_open");
 890
 891         if (!pvr2_hdw_dev_ok(hdw)) {
 892                 pvr2_trace(PVR2_TRACE_OPEN_CLOSE,
 893                            "pvr2_v4l2_open: hardware not ready");
 894                 return -EIO;
 895         }
 896
 897         fhp = kmalloc(sizeof(*fhp),GFP_KERNEL);
 898         if (!fhp) {
 899                 return -ENOMEM;
 900         }
 901         memset(fhp,0,sizeof(*fhp));
 902
 903         init_waitqueue_head(&fhp->wait_data);
 904         fhp->dev_info = dip;
 905
 906         pvr2_context_enter(vp->channel.mc_head); do {
 907                 pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp);
 908                 pvr2_channel_init(&fhp->channel,vp->channel.mc_head);
 909
 910                 /* pk: warning, severe ugliness follows. 18+ only.
 911                    please blaim V4L(ivtv) for braindamaged interfaces,
 912                    not the implementor. This is probably flawed, but
 913                    suggestions on how to do this "right" are welcome! */
 914                 if (dip->config == pvr2_config_radio) {
 915                         int ret;
 916                         if ((pvr2_channel_check_stream_no_lock(&fhp->channel,
 917                                               fhp->dev_info->stream)) != 0) {
 918                                 /* We can 't switch modes while streaming */
 919                                 pvr2_channel_done(&fhp->channel);
 920                                 kfree(fhp);
 921                                 pvr2_context_exit(vp->channel.mc_head);
 922                                 return -EBUSY;
 923                         }
 924
 925                         if ((ret = pvr2_ctrl_set_value(
 926                                 pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT),
 927                                                   PVR2_CVAL_INPUT_RADIO))) {
 928                                 pvr2_channel_done(&fhp->channel);
 929                                 kfree(fhp);
 930                                 pvr2_context_exit(vp->channel.mc_head);
 931                                 return ret;
 932                         }
 933                 }
 934
 935                 fhp->vnext = NULL;
 936                 fhp->vprev = vp->vlast;
 937                 if (vp->vlast) {
 938                         vp->vlast->vnext = fhp;
 939                 } else {
 940                         vp->vfirst = fhp;
 941                 }
 942                 vp->vlast = fhp;
 943                 fhp->vhead = vp;
 944         } while (0); pvr2_context_exit(vp->channel.mc_head);
 945
 946         fhp->file = file;
 947         file->private_data = fhp;
 948         v4l2_prio_open(&vp->prio,&fhp->prio);
 949
 950         fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw);
 951
 952         return 0;
 953 }
 954
 955
 956 static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp)
 957 {
 958         wake_up(&fhp->wait_data);
 959 }
 960
 961 static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh)
 962 {
 963         int ret;
 964         struct pvr2_stream *sp;
 965         struct pvr2_hdw *hdw;
 966         if (fh->rhp) return 0;
 967
 968         /* First read() attempt.  Try to claim the stream and start
 969            it... */
 970         if ((ret = pvr2_channel_claim_stream(&fh->channel,
 971                                              fh->dev_info->stream)) != 0) {
 972                 /* Someone else must already have it */
 973                 return ret;
 974         }
 975
 976         fh->rhp = pvr2_channel_create_mpeg_stream(fh->dev_info->stream);
 977         if (!fh->rhp) {
 978                 pvr2_channel_claim_stream(&fh->channel,NULL);
 979                 return -ENOMEM;
 980         }
 981
 982         hdw = fh->channel.mc_head->hdw;
 983         sp = fh->dev_info->stream->stream;
 984         pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh);
 985         pvr2_hdw_set_stream_type(hdw,fh->dev_info->config);
 986         pvr2_hdw_set_streaming(hdw,!0);
 987         ret = pvr2_ioread_set_enabled(fh->rhp,!0);
 988
 989         return ret;
 990 }
 991
 992
 993 static ssize_t pvr2_v4l2_read(struct file *file,
 994                               char __user *buff, size_t count, loff_t *ppos)
 995 {
 996         struct pvr2_v4l2_fh *fh = file->private_data;
 997         int ret;
 998
 999         if (fh->fw_mode_flag) {
1000                 struct pvr2_hdw *hdw = fh->channel.mc_head->hdw;
1001                 char *tbuf;
1002                 int c1,c2;
1003                 int tcnt = 0;
1004                 unsigned int offs = *ppos;
1005
1006                 tbuf = kmalloc(PAGE_SIZE,GFP_KERNEL);
1007                 if (!tbuf) return -ENOMEM;
1008
1009                 while (count) {
1010                         c1 = count;
1011                         if (c1 > PAGE_SIZE) c1 = PAGE_SIZE;
1012                         c2 = pvr2_hdw_cpufw_get(hdw,offs,tbuf,c1);
1013                         if (c2 < 0) {
1014                                 tcnt = c2;
1015                                 break;
1016                         }
1017                         if (!c2) break;
1018                         if (copy_to_user(buff,tbuf,c2)) {
1019                                 tcnt = -EFAULT;
1020                                 break;
1021                         }
1022                         offs += c2;
1023                         tcnt += c2;
1024                         buff += c2;
1025                         count -= c2;
1026                         *ppos += c2;
1027                 }
1028                 kfree(tbuf);
1029                 return tcnt;
1030         }
1031
1032         if (fh->dev_info->config == pvr2_config_radio) {
1033                 /* Radio device nodes on this device
1034                    cannot be read or written. */
1035                 return -EPERM;
1036         }
1037
1038         if (!fh->rhp) {
1039                 ret = pvr2_v4l2_iosetup(fh);
1040                 if (ret) {
1041                         return ret;
1042                 }
1043         }
1044
1045         for (;;) {
1046                 ret = pvr2_ioread_read(fh->rhp,buff,count);
1047                 if (ret >= 0) break;
1048                 if (ret != -EAGAIN) break;
1049                 if (file->f_flags & O_NONBLOCK) break;
1050                 /* Doing blocking I/O.  Wait here. */
1051                 ret = wait_event_interruptible(
1052                         fh->wait_data,
1053                         pvr2_ioread_avail(fh->rhp) >= 0);
1054                 if (ret < 0) break;
1055         }
1056
1057         return ret;
1058 }
1059
1060
1061 static unsigned int pvr2_v4l2_poll(struct file *file, poll_table *wait)
1062 {
1063         unsigned int mask = 0;
1064         struct pvr2_v4l2_fh *fh = file->private_data;
1065         int ret;
1066
1067         if (fh->fw_mode_flag) {
1068                 mask |= POLLIN | POLLRDNORM;
1069                 return mask;
1070         }
1071
1072         if (fh->dev_info->config == pvr2_config_radio) {
1073                 /* Radio device nodes on this device
1074                    cannot be read or written. */
1075                 return -EPERM;
1076         }
1077
1078         if (!fh->rhp) {
1079                 ret = pvr2_v4l2_iosetup(fh);
1080                 if (ret) return POLLERR;
1081         }
1082
1083         poll_wait(file,&fh->wait_data,wait);
1084
1085         if (pvr2_ioread_avail(fh->rhp) >= 0) {
1086                 mask |= POLLIN | POLLRDNORM;
1087         }
1088
1089         return mask;
1090 }
1091
1092
1093 static const struct file_operations vdev_fops = {
1094         .owner      = THIS_MODULE,
1095         .open       = pvr2_v4l2_open,
1096         .release    = pvr2_v4l2_release,
1097         .read       = pvr2_v4l2_read,
1098         .ioctl      = pvr2_v4l2_ioctl,
1099         .llseek     = no_llseek,
1100         .poll       = pvr2_v4l2_poll,
1101 };
1102
1103
1104 #define VID_HARDWARE_PVRUSB2    38  /* FIXME : need a good value */
1105
1106 static struct video_device vdev_template = {
1107         .owner      = THIS_MODULE,
1108         .type       = VID_TYPE_CAPTURE | VID_TYPE_TUNER,
1109         .type2      = (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE
1110                        | V4L2_CAP_TUNER | V4L2_CAP_AUDIO
1111                        | V4L2_CAP_READWRITE),
1112         .hardware   = VID_HARDWARE_PVRUSB2,
1113         .fops       = &vdev_fops,
1114 };
1115
1116
1117 static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
1118                                struct pvr2_v4l2 *vp,
1119                                enum pvr2_config cfg)
1120 {
1121         int mindevnum;
1122         int unit_number;
1123         int v4l_type;
1124         enum pvr2_v4l_type pvt;
1125         dip->v4lp = vp;
1126         dip->config = cfg;
1127
1128
1129         switch (dip->config) {
1130         case pvr2_config_mpeg:
1131                 v4l_type = VFL_TYPE_GRABBER;
1132                 pvt = pvr2_v4l_type_video;
1133                 dip->stream = &vp->channel.mc_head->video_stream;
1134                 break;
1135         case pvr2_config_vbi:
1136                 v4l_type = VFL_TYPE_VBI;
1137                 pvt = pvr2_v4l_type_vbi;
1138                 break;
1139         case pvr2_config_radio:
1140                 v4l_type = VFL_TYPE_RADIO;
1141                 pvt = pvr2_v4l_type_radio;
1142                 break;
1143         default:
1144                 /* Bail out (this should be impossible) */
1145                 err("Failed to set up pvrusb2 v4l dev"
1146                     " due to unrecognized config");
1147                 return;
1148         }
1149
1150         /* radio device doesn 't need its own stream */
1151         if (!dip->stream && dip->config != pvr2_config_radio) {
1152                 err("Failed to set up pvrusb2 v4l dev"
1153                     " due to missing stream instance");
1154                 return;
1155         }
1156
1157         memcpy(&dip->devbase,&vdev_template,sizeof(vdev_template));
1158         dip->devbase.release = pvr2_video_device_release;
1159
1160         mindevnum = -1;
1161         unit_number = pvr2_hdw_get_unit_number(vp->channel.mc_head->hdw);
1162         if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
1163                 switch (v4l_type) {
1164                 case VFL_TYPE_VBI:
1165                         mindevnum = vbi_nr[unit_number];
1166                         break;
1167                 case VFL_TYPE_RADIO:
1168                         mindevnum = radio_nr[unit_number];
1169                         break;
1170                 case VFL_TYPE_GRABBER:
1171                 default:
1172                         mindevnum = video_nr[unit_number];
1173                         break;
1174                 }
1175         }
1176         if ((video_register_device(&dip->devbase, v4l_type, mindevnum) < 0) &&
1177             (video_register_device(&dip->devbase, v4l_type, -1) < 0)) {
1178                 err("Failed to register pvrusb2 v4l device");
1179         }
1180         switch (dip->config) {
1181         case pvr2_config_mpeg:
1182                 printk(KERN_INFO "pvrusb2: registered device video%d [%s]\n",
1183                        dip->devbase.minor & 0x1f,
1184                        pvr2_config_get_name(dip->config));
1185                 break;
1186         case pvr2_config_radio:
1187                 printk(KERN_INFO "pvrusb2: registered device radio%d [%s]\n",
1188                        dip->devbase.minor & 0x1f,
1189                        pvr2_config_get_name(dip->config));
1190                 break;
1191         case pvr2_config_vbi:
1192                 printk(KERN_INFO "pvrusb2: registered device vbi%d [%s]\n",
1193                        dip->devbase.minor & 0x1f,
1194                        pvr2_config_get_name(dip->config));
1195                 break;
1196         default:
1197                 break;
1198         }
1199
1200         pvr2_hdw_v4l_store_minor_number(vp->channel.mc_head->hdw,
1201                                         pvt,dip->devbase.minor);
1202 }
1203
1204
1205 struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp)
1206 {
1207         struct pvr2_v4l2 *vp;
1208
1209         vp = kmalloc(sizeof(*vp),GFP_KERNEL);
1210         if (!vp) return vp;
1211         memset(vp,0,sizeof(*vp));
1212         vp->dev_video = kmalloc(sizeof(*vp->dev_video),GFP_KERNEL);
1213         vp->dev_radio = kmalloc(sizeof(*vp->dev_radio),GFP_KERNEL);
1214         if (!(vp->dev_video && vp->dev_radio)) {
1215                 if (vp->dev_video) kfree(vp->dev_video);
1216                 if (vp->dev_radio) kfree(vp->dev_radio);
1217                 kfree(vp);
1218                 return NULL;
1219         }
1220         memset(vp->dev_video,0,sizeof(*vp->dev_video));
1221         memset(vp->dev_radio,0,sizeof(*vp->dev_radio));
1222         pvr2_channel_init(&vp->channel,mnp);
1223         pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_v4l2 id=%p",vp);
1224
1225         vp->channel.check_func = pvr2_v4l2_internal_check;
1226
1227         /* register streams */
1228         pvr2_v4l2_dev_init(vp->dev_video,vp,pvr2_config_mpeg);
1229         pvr2_v4l2_dev_init(vp->dev_radio,vp,pvr2_config_radio);
1230
1231         return vp;
1232 }
1233
1234 /*
1235   Stuff for Emacs to see, in order to encourage consistent editing style:
1236   *** Local Variables: ***
1237   *** mode: c ***
1238   *** fill-column: 75 ***
1239   *** tab-width: 8 ***
1240   *** c-basic-offset: 8 ***
1241   *** End: ***
1242   */