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

   1 /*
   2     ioctl system call
   3     Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
   4     Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "ivtv-driver.h"
  22 #include "ivtv-version.h"
  23 #include "ivtv-mailbox.h"
  24 #include "ivtv-i2c.h"
  25 #include "ivtv-queue.h"
  26 #include "ivtv-fileops.h"
  27 #include "ivtv-vbi.h"
  28 #include "ivtv-audio.h"
  29 #include "ivtv-video.h"
  30 #include "ivtv-streams.h"
  31 #include "ivtv-yuv.h"
  32 #include "ivtv-ioctl.h"
  33 #include "ivtv-gpio.h"
  34 #include "ivtv-controls.h"
  35 #include "ivtv-cards.h"
  36 #include <media/saa7127.h>
  37 #include <media/tveeprom.h>
  38 #include <media/v4l2-chip-ident.h>
  39 #include <linux/dvb/audio.h>
  40 #include <linux/i2c-id.h>
  41
  42 u16 service2vbi(int type)
  43 {
  44         switch (type) {
  45                 case V4L2_SLICED_TELETEXT_B:
  46                         return IVTV_SLICED_TYPE_TELETEXT_B;
  47                 case V4L2_SLICED_CAPTION_525:
  48                         return IVTV_SLICED_TYPE_CAPTION_525;
  49                 case V4L2_SLICED_WSS_625:
  50                         return IVTV_SLICED_TYPE_WSS_625;
  51                 case V4L2_SLICED_VPS:
  52                         return IVTV_SLICED_TYPE_VPS;
  53                 default:
  54                         return 0;
  55         }
  56 }
  57
  58 static int valid_service_line(int field, int line, int is_pal)
  59 {
  60         return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
  61                (!is_pal && line >= 10 && line < 22);
  62 }
  63
  64 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
  65 {
  66         u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
  67         int i;
  68
  69         set = set & valid_set;
  70         if (set == 0 || !valid_service_line(field, line, is_pal)) {
  71                 return 0;
  72         }
  73         if (!is_pal) {
  74                 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
  75                         return V4L2_SLICED_CAPTION_525;
  76         }
  77         else {
  78                 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
  79                         return V4L2_SLICED_VPS;
  80                 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
  81                         return V4L2_SLICED_WSS_625;
  82                 if (line == 23)
  83                         return 0;
  84         }
  85         for (i = 0; i < 32; i++) {
  86                 if ((1 << i) & set)
  87                         return 1 << i;
  88         }
  89         return 0;
  90 }
  91
  92 void expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
  93 {
  94         u16 set = fmt->service_set;
  95         int f, l;
  96
  97         fmt->service_set = 0;
  98         for (f = 0; f < 2; f++) {
  99                 for (l = 0; l < 24; l++) {
 100                         fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
 101                 }
 102         }
 103 }
 104
 105 static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
 106 {
 107         int f, l;
 108         u16 set = 0;
 109
 110         for (f = 0; f < 2; f++) {
 111                 for (l = 0; l < 24; l++) {
 112                         fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
 113                         set |= fmt->service_lines[f][l];
 114                 }
 115         }
 116         return set != 0;
 117 }
 118
 119 u16 get_service_set(struct v4l2_sliced_vbi_format *fmt)
 120 {
 121         int f, l;
 122         u16 set = 0;
 123
 124         for (f = 0; f < 2; f++) {
 125                 for (l = 0; l < 24; l++) {
 126                         set |= fmt->service_lines[f][l];
 127                 }
 128         }
 129         return set;
 130 }
 131
 132 static const struct {
 133         v4l2_std_id  std;
 134         char        *name;
 135 } enum_stds[] = {
 136         { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" },
 137         { V4L2_STD_PAL_DK,    "PAL-DK"    },
 138         { V4L2_STD_PAL_I,     "PAL-I"     },
 139         { V4L2_STD_PAL_M,     "PAL-M"     },
 140         { V4L2_STD_PAL_N,     "PAL-N"     },
 141         { V4L2_STD_PAL_Nc,    "PAL-Nc"    },
 142         { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" },
 143         { V4L2_STD_SECAM_DK,  "SECAM-DK"  },
 144         { V4L2_STD_SECAM_L,   "SECAM-L"   },
 145         { V4L2_STD_SECAM_LC,  "SECAM-L'"  },
 146         { V4L2_STD_NTSC_M,    "NTSC-M"    },
 147         { V4L2_STD_NTSC_M_JP, "NTSC-J"    },
 148         { V4L2_STD_NTSC_M_KR, "NTSC-K"    },
 149 };
 150
 151 static const struct v4l2_standard ivtv_std_60hz =
 152 {
 153         .frameperiod = {.numerator = 1001, .denominator = 30000},
 154         .framelines = 525,
 155 };
 156
 157 static const struct v4l2_standard ivtv_std_50hz =
 158 {
 159         .frameperiod = {.numerator = 1, .denominator = 25},
 160         .framelines = 625,
 161 };
 162
 163 void ivtv_set_osd_alpha(struct ivtv *itv)
 164 {
 165         ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3,
 166                 itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state);
 167         ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2, itv->osd_color_key_state, itv->osd_color_key);
 168 }
 169
 170 int ivtv_set_speed(struct ivtv *itv, int speed)
 171 {
 172         u32 data[CX2341X_MBOX_MAX_DATA];
 173         struct ivtv_stream *s;
 174         int single_step = (speed == 1 || speed == -1);
 175         DEFINE_WAIT(wait);
 176
 177         if (speed == 0) speed = 1000;
 178
 179         /* No change? */
 180         if (speed == itv->speed && !single_step)
 181                 return 0;
 182
 183         s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
 184
 185         if (single_step && (speed < 0) == (itv->speed < 0)) {
 186                 /* Single step video and no need to change direction */
 187                 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
 188                 itv->speed = speed;
 189                 return 0;
 190         }
 191         if (single_step)
 192                 /* Need to change direction */
 193                 speed = speed < 0 ? -1000 : 1000;
 194
 195         data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0;
 196         data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0;
 197         data[1] = (speed < 0);
 198         data[2] = speed < 0 ? 3 : 7;
 199         data[3] = itv->params.video_b_frames;
 200         data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0;
 201         data[5] = 0;
 202         data[6] = 0;
 203
 204         if (speed == 1500 || speed == -1500) data[0] |= 1;
 205         else if (speed == 2000 || speed == -2000) data[0] |= 2;
 206         else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed);
 207         else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed);
 208
 209         /* If not decoding, just change speed setting */
 210         if (atomic_read(&itv->decoding) > 0) {
 211                 int got_sig = 0;
 212
 213                 /* Stop all DMA and decoding activity */
 214                 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, 0);
 215
 216                 /* Wait for any DMA to finish */
 217                 prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
 218                 while (itv->i_flags & IVTV_F_I_DMA) {
 219                         got_sig = signal_pending(current);
 220                         if (got_sig)
 221                                 break;
 222                         got_sig = 0;
 223                         schedule();
 224                 }
 225                 finish_wait(&itv->dma_waitq, &wait);
 226                 if (got_sig)
 227                         return -EINTR;
 228
 229                 /* Change Speed safely */
 230                 ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7, data);
 231                 IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
 232                                 data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
 233         }
 234         if (single_step) {
 235                 speed = (speed < 0) ? -1 : 1;
 236                 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
 237         }
 238         itv->speed = speed;
 239         return 0;
 240 }
 241
 242 static int ivtv_validate_speed(int cur_speed, int new_speed)
 243 {
 244         int fact = new_speed < 0 ? -1 : 1;
 245         int s;
 246
 247         if (new_speed < 0) new_speed = -new_speed;
 248         if (cur_speed < 0) cur_speed = -cur_speed;
 249
 250         if (cur_speed <= new_speed) {
 251                 if (new_speed > 1500) return fact * 2000;
 252                 if (new_speed > 1000) return fact * 1500;
 253         }
 254         else {
 255                 if (new_speed >= 2000) return fact * 2000;
 256                 if (new_speed >= 1500) return fact * 1500;
 257                 if (new_speed >= 1000) return fact * 1000;
 258         }
 259         if (new_speed == 0) return 1000;
 260         if (new_speed == 1 || new_speed == 1000) return fact * new_speed;
 261
 262         s = new_speed;
 263         new_speed = 1000 / new_speed;
 264         if (1000 / cur_speed == new_speed)
 265                 new_speed += (cur_speed < s) ? -1 : 1;
 266         if (new_speed > 60) return 1000 / (fact * 60);
 267         return 1000 / (fact * new_speed);
 268 }
 269
 270 static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
 271                 struct video_command *vc, int try)
 272 {
 273         struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
 274
 275         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 276                 return -EINVAL;
 277
 278         switch (vc->cmd) {
 279         case VIDEO_CMD_PLAY: {
 280                 vc->flags = 0;
 281                 vc->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed);
 282                 if (vc->play.speed < 0)
 283                         vc->play.format = VIDEO_PLAY_FMT_GOP;
 284                 if (try) break;
 285
 286                 if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
 287                         return -EBUSY;
 288                 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
 289                         /* forces ivtv_set_speed to be called */
 290                         itv->speed = 0;
 291                 }
 292                 return ivtv_start_decoding(id, vc->play.speed);
 293         }
 294
 295         case VIDEO_CMD_STOP:
 296                 vc->flags &= VIDEO_CMD_STOP_IMMEDIATELY|VIDEO_CMD_STOP_TO_BLACK;
 297                 if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY)
 298                         vc->stop.pts = 0;
 299                 if (try) break;
 300                 if (atomic_read(&itv->decoding) == 0)
 301                         return 0;
 302                 if (itv->output_mode != OUT_MPG)
 303                         return -EBUSY;
 304
 305                 itv->output_mode = OUT_NONE;
 306                 return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts);
 307
 308         case VIDEO_CMD_FREEZE:
 309                 vc->flags &= VIDEO_CMD_FREEZE_TO_BLACK;
 310                 if (try) break;
 311                 if (itv->output_mode != OUT_MPG)
 312                         return -EBUSY;
 313                 if (atomic_read(&itv->decoding) > 0) {
 314                         ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
 315                                 (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
 316                         set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
 317                 }
 318                 break;
 319
 320         case VIDEO_CMD_CONTINUE:
 321                 vc->flags = 0;
 322                 if (try) break;
 323                 if (itv->output_mode != OUT_MPG)
 324                         return -EBUSY;
 325                 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
 326                         int speed = itv->speed;
 327                         itv->speed = 0;
 328                         return ivtv_start_decoding(id, speed);
 329                 }
 330                 break;
 331
 332         default:
 333                 return -EINVAL;
 334         }
 335         return 0;
 336 }
 337
 338 static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
 339 {
 340         struct v4l2_register *regs = arg;
 341         unsigned long flags;
 342         volatile u8 __iomem *reg_start;
 343
 344         if (!capable(CAP_SYS_ADMIN))
 345                 return -EPERM;
 346         if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
 347                 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
 348         else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
 349                         regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
 350                 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
 351         else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE)
 352                 reg_start = itv->enc_mem;
 353         else
 354                 return -EINVAL;
 355
 356         spin_lock_irqsave(&ivtv_cards_lock, flags);
 357         if (cmd == VIDIOC_DBG_G_REGISTER) {
 358                 regs->val = readl(regs->reg + reg_start);
 359         } else {
 360                 writel(regs->val, regs->reg + reg_start);
 361         }
 362         spin_unlock_irqrestore(&ivtv_cards_lock, flags);
 363         return 0;
 364 }
 365
 366 static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fmt)
 367 {
 368         switch (fmt->type) {
 369         case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 370                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 371                         return -EINVAL;
 372                 fmt->fmt.pix.width = itv->main_rect.width;
 373                 fmt->fmt.pix.height = itv->main_rect.height;
 374                 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 375                 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
 376                 if (itv->output_mode == OUT_UDMA_YUV) {
 377                         switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
 378                         case IVTV_YUV_MODE_INTERLACED:
 379                                 fmt->fmt.pix.field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
 380                                         V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
 381                                 break;
 382                         case IVTV_YUV_MODE_PROGRESSIVE:
 383                                 fmt->fmt.pix.field = V4L2_FIELD_NONE;
 384                                 break;
 385                         default:
 386                                 fmt->fmt.pix.field = V4L2_FIELD_ANY;
 387                                 break;
 388                         }
 389                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
 390                         /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 391                         fmt->fmt.pix.sizeimage =
 392                                 fmt->fmt.pix.height * fmt->fmt.pix.width +
 393                                 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
 394                 }
 395                 else if (itv->output_mode == OUT_YUV ||
 396                                 streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
 397                                 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 398                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
 399                         /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 400                         fmt->fmt.pix.sizeimage =
 401                                 fmt->fmt.pix.height * fmt->fmt.pix.width +
 402                                 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
 403                 } else {
 404                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
 405                         fmt->fmt.pix.sizeimage = 128 * 1024;
 406                 }
 407                 break;
 408
 409         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 410                 fmt->fmt.pix.width = itv->params.width;
 411                 fmt->fmt.pix.height = itv->params.height;
 412                 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 413                 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
 414                 if (streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
 415                                 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 416                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
 417                         /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 418                         fmt->fmt.pix.sizeimage =
 419                                 fmt->fmt.pix.height * fmt->fmt.pix.width +
 420                                 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
 421                 } else {
 422                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
 423                         fmt->fmt.pix.sizeimage = 128 * 1024;
 424                 }
 425                 break;
 426
 427         case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
 428                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 429                         return -EINVAL;
 430                 fmt->fmt.win.chromakey = itv->osd_color_key;
 431                 fmt->fmt.win.global_alpha = itv->osd_global_alpha;
 432                 break;
 433
 434         case V4L2_BUF_TYPE_VBI_CAPTURE:
 435                 fmt->fmt.vbi.sampling_rate = 27000000;
 436                 fmt->fmt.vbi.offset = 248;
 437                 fmt->fmt.vbi.samples_per_line = itv->vbi.raw_decoder_line_size - 4;
 438                 fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
 439                 fmt->fmt.vbi.start[0] = itv->vbi.start[0];
 440                 fmt->fmt.vbi.start[1] = itv->vbi.start[1];
 441                 fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = itv->vbi.count;
 442                 break;
 443
 444         case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
 445         {
 446                 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 447
 448                 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
 449                         return -EINVAL;
 450                 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 451                 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
 452                 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
 453                 if (itv->is_60hz) {
 454                         vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
 455                         vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
 456                 } else {
 457                         vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
 458                         vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
 459                 }
 460                 vbifmt->service_set = get_service_set(vbifmt);
 461                 break;
 462         }
 463
 464         case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
 465         {
 466                 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 467
 468                 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 469                 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
 470                 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
 471
 472                 if (streamtype == IVTV_DEC_STREAM_TYPE_VBI) {
 473                         vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
 474                                                  V4L2_SLICED_VBI_525;
 475                         expand_service_set(vbifmt, itv->is_50hz);
 476                         break;
 477                 }
 478
 479                 itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
 480                 vbifmt->service_set = get_service_set(vbifmt);
 481                 break;
 482         }
 483         case V4L2_BUF_TYPE_VBI_OUTPUT:
 484         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
 485         default:
 486                 return -EINVAL;
 487         }
 488         return 0;
 489 }
 490
 491 static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype,
 492                 struct v4l2_format *fmt, int set_fmt)
 493 {
 494         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 495         u16 set;
 496
 497         if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
 498                 struct v4l2_rect r;
 499                 int field;
 500
 501                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 502                         return -EINVAL;
 503                 field = fmt->fmt.pix.field;
 504                 r.top = 0;
 505                 r.left = 0;
 506                 r.width = fmt->fmt.pix.width;
 507                 r.height = fmt->fmt.pix.height;
 508                 ivtv_get_fmt(itv, streamtype, fmt);
 509                 if (itv->output_mode != OUT_UDMA_YUV) {
 510                         /* TODO: would setting the rect also be valid for this mode? */
 511                         fmt->fmt.pix.width = r.width;
 512                         fmt->fmt.pix.height = r.height;
 513                 }
 514                 if (itv->output_mode == OUT_UDMA_YUV) {
 515                         /* TODO: add checks for validity */
 516                         fmt->fmt.pix.field = field;
 517                 }
 518                 if (set_fmt) {
 519                         if (itv->output_mode == OUT_UDMA_YUV) {
 520                                 switch (field) {
 521                                 case V4L2_FIELD_NONE:
 522                                         itv->yuv_info.lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
 523                                         break;
 524                                 case V4L2_FIELD_ANY:
 525                                         itv->yuv_info.lace_mode = IVTV_YUV_MODE_AUTO;
 526                                         break;
 527                                 case V4L2_FIELD_INTERLACED_BT:
 528                                         itv->yuv_info.lace_mode =
 529                                                 IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
 530                                         break;
 531                                 case V4L2_FIELD_INTERLACED_TB:
 532                                 default:
 533                                         itv->yuv_info.lace_mode = IVTV_YUV_MODE_INTERLACED;
 534                                         break;
 535                                 }
 536                                 itv->yuv_info.lace_sync_field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
 537
 538                                 /* Force update of yuv registers */
 539                                 itv->yuv_info.yuv_forced_update = 1;
 540                                 return 0;
 541                         }
 542                 }
 543                 return 0;
 544         }
 545
 546         if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY) {
 547                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 548                         return -EINVAL;
 549                 if (set_fmt) {
 550                         itv->osd_color_key = fmt->fmt.win.chromakey;
 551                         itv->osd_global_alpha = fmt->fmt.win.global_alpha;
 552                         ivtv_set_osd_alpha(itv);
 553                 }
 554                 return 0;
 555         }
 556
 557         /* set window size */
 558         if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 559                 int w = fmt->fmt.pix.width;
 560                 int h = fmt->fmt.pix.height;
 561
 562                 if (w > 720) w = 720;
 563                 else if (w < 1) w = 1;
 564                 if (h > (itv->is_50hz ? 576 : 480)) h = (itv->is_50hz ? 576 : 480);
 565                 else if (h < 2) h = 2;
 566                 ivtv_get_fmt(itv, streamtype, fmt);
 567                 fmt->fmt.pix.width = w;
 568                 fmt->fmt.pix.height = h;
 569
 570                 if (!set_fmt || (itv->params.width == w && itv->params.height == h))
 571                         return 0;
 572                 if (atomic_read(&itv->capturing) > 0)
 573                         return -EBUSY;
 574
 575                 itv->params.width = w;
 576                 itv->params.height = h;
 577                 if (w != 720 || h != (itv->is_50hz ? 576 : 480))
 578                         itv->params.video_temporal_filter = 0;
 579                 else
 580                         itv->params.video_temporal_filter = 8;
 581                 itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 582                 return ivtv_get_fmt(itv, streamtype, fmt);
 583         }
 584
 585         /* set raw VBI format */
 586         if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
 587                 if (set_fmt && streamtype == IVTV_ENC_STREAM_TYPE_VBI &&
 588                     itv->vbi.sliced_in->service_set &&
 589                     atomic_read(&itv->capturing) > 0) {
 590                         return -EBUSY;
 591                 }
 592                 if (set_fmt) {
 593                         itv->vbi.sliced_in->service_set = 0;
 594                         itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);
 595                 }
 596                 return ivtv_get_fmt(itv, streamtype, fmt);
 597         }
 598
 599         /* set sliced VBI output
 600            In principle the user could request that only certain
 601            VBI types are output and that the others are ignored.
 602            I.e., suppress CC in the even fields or only output
 603            WSS and no VPS. Currently though there is no choice. */
 604         if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
 605                 return ivtv_get_fmt(itv, streamtype, fmt);
 606
 607         /* any else but sliced VBI capture is an error */
 608         if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 609                 return -EINVAL;
 610
 611         if (streamtype == IVTV_DEC_STREAM_TYPE_VBI)
 612                 return ivtv_get_fmt(itv, streamtype, fmt);
 613
 614         /* set sliced VBI capture format */
 615         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 616         memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
 617
 618         if (vbifmt->service_set)
 619                 expand_service_set(vbifmt, itv->is_50hz);
 620         set = check_service_set(vbifmt, itv->is_50hz);
 621         vbifmt->service_set = get_service_set(vbifmt);
 622
 623         if (!set_fmt)
 624                 return 0;
 625         if (set == 0)
 626                 return -EINVAL;
 627         if (atomic_read(&itv->capturing) > 0 && itv->vbi.sliced_in->service_set == 0) {
 628                 return -EBUSY;
 629         }
 630         itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 631         memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
 632         return 0;
 633 }
 634
 635 static int ivtv_debug_ioctls(struct file *filp, unsigned int cmd, void *arg)
 636 {
 637         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
 638         struct ivtv *itv = id->itv;
 639         struct v4l2_register *reg = arg;
 640
 641         switch (cmd) {
 642         /* ioctls to allow direct access to the encoder registers for testing */
 643         case VIDIOC_DBG_G_REGISTER:
 644                 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 645                         return ivtv_itvc(itv, cmd, arg);
 646                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 647                         return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
 648                 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
 649
 650         case VIDIOC_DBG_S_REGISTER:
 651                 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 652                         return ivtv_itvc(itv, cmd, arg);
 653                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 654                         return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
 655                 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
 656
 657         case VIDIOC_G_CHIP_IDENT: {
 658                 struct v4l2_chip_ident *chip = arg;
 659
 660                 chip->ident = V4L2_IDENT_NONE;
 661                 chip->revision = 0;
 662                 if (reg->match_type == V4L2_CHIP_MATCH_HOST) {
 663                         if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) {
 664                                 struct v4l2_chip_ident *chip = arg;
 665
 666                                 chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
 667                         }
 668                         return 0;
 669                 }
 670                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 671                         return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
 672                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 673                         return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
 674                 return -EINVAL;
 675         }
 676
 677         case VIDIOC_INT_S_AUDIO_ROUTING: {
 678                 struct v4l2_routing *route = arg;
 679
 680                 ivtv_audio_set_route(itv, route);
 681                 break;
 682         }
 683
 684         case VIDIOC_INT_RESET:
 685                 ivtv_reset_ir_gpio(itv);
 686                 break;
 687
 688         default:
 689                 return -EINVAL;
 690         }
 691         return 0;
 692 }
 693
 694 int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void *arg)
 695 {
 696         struct ivtv_open_id *id = NULL;
 697
 698         if (filp) id = (struct ivtv_open_id *)filp->private_data;
 699
 700         switch (cmd) {
 701         case VIDIOC_G_PRIORITY:
 702         {
 703                 enum v4l2_priority *p = arg;
 704
 705                 *p = v4l2_prio_max(&itv->prio);
 706                 break;
 707         }
 708
 709         case VIDIOC_S_PRIORITY:
 710         {
 711                 enum v4l2_priority *prio = arg;
 712
 713                 return v4l2_prio_change(&itv->prio, &id->prio, *prio);
 714         }
 715
 716         case VIDIOC_QUERYCAP:{
 717                 struct v4l2_capability *vcap = arg;
 718
 719                 memset(vcap, 0, sizeof(*vcap));
 720                 strcpy(vcap->driver, IVTV_DRIVER_NAME);     /* driver name */
 721                 strcpy(vcap->card, itv->card_name);         /* card type */
 722                 strcpy(vcap->bus_info, pci_name(itv->dev)); /* bus info... */
 723                 vcap->version = IVTV_DRIVER_VERSION;        /* version */
 724                 vcap->capabilities = itv->v4l2_cap;         /* capabilities */
 725
 726                 /* reserved.. must set to 0! */
 727                 vcap->reserved[0] = vcap->reserved[1] =
 728                         vcap->reserved[2] = vcap->reserved[3] = 0;
 729                 break;
 730         }
 731
 732         case VIDIOC_ENUMAUDIO:{
 733                 struct v4l2_audio *vin = arg;
 734
 735                 return ivtv_get_audio_input(itv, vin->index, vin);
 736         }
 737
 738         case VIDIOC_G_AUDIO:{
 739                 struct v4l2_audio *vin = arg;
 740
 741                 vin->index = itv->audio_input;
 742                 return ivtv_get_audio_input(itv, vin->index, vin);
 743         }
 744
 745         case VIDIOC_S_AUDIO:{
 746                 struct v4l2_audio *vout = arg;
 747
 748                 if (vout->index >= itv->nof_audio_inputs)
 749                         return -EINVAL;
 750                 itv->audio_input = vout->index;
 751                 ivtv_audio_set_io(itv);
 752                 break;
 753         }
 754
 755         case VIDIOC_ENUMAUDOUT:{
 756                 struct v4l2_audioout *vin = arg;
 757
 758                 /* set it to defaults from our table */
 759                 return ivtv_get_audio_output(itv, vin->index, vin);
 760         }
 761
 762         case VIDIOC_G_AUDOUT:{
 763                 struct v4l2_audioout *vin = arg;
 764
 765                 vin->index = 0;
 766                 return ivtv_get_audio_output(itv, vin->index, vin);
 767         }
 768
 769         case VIDIOC_S_AUDOUT:{
 770                 struct v4l2_audioout *vout = arg;
 771
 772                 return ivtv_get_audio_output(itv, vout->index, vout);
 773         }
 774
 775         case VIDIOC_ENUMINPUT:{
 776                 struct v4l2_input *vin = arg;
 777
 778                 /* set it to defaults from our table */
 779                 return ivtv_get_input(itv, vin->index, vin);
 780         }
 781
 782         case VIDIOC_ENUMOUTPUT:{
 783                 struct v4l2_output *vout = arg;
 784
 785                 return ivtv_get_output(itv, vout->index, vout);
 786         }
 787
 788         case VIDIOC_TRY_FMT:
 789         case VIDIOC_S_FMT: {
 790                 struct v4l2_format *fmt = arg;
 791
 792                 return ivtv_try_or_set_fmt(itv, id->type, fmt, cmd == VIDIOC_S_FMT);
 793         }
 794
 795         case VIDIOC_G_FMT: {
 796                 struct v4l2_format *fmt = arg;
 797                 int type = fmt->type;
 798
 799                 memset(fmt, 0, sizeof(*fmt));
 800                 fmt->type = type;
 801                 return ivtv_get_fmt(itv, id->type, fmt);
 802         }
 803
 804         case VIDIOC_CROPCAP: {
 805                 struct v4l2_cropcap *cropcap = arg;
 806
 807                 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
 808                     cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 809                         return -EINVAL;
 810                 cropcap->bounds.top = cropcap->bounds.left = 0;
 811                 cropcap->bounds.width = 720;
 812                 if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 813                         cropcap->bounds.height = itv->is_50hz ? 576 : 480;
 814                         cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
 815                         cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
 816                 } else {
 817                         cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
 818                         cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 819                         cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 820                 }
 821                 cropcap->defrect = cropcap->bounds;
 822                 return 0;
 823         }
 824
 825         case VIDIOC_S_CROP: {
 826                 struct v4l2_crop *crop = arg;
 827
 828                 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 829                     (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 830                         if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
 831                                  crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
 832                                 itv->main_rect = crop->c;
 833                                 return 0;
 834                         }
 835                         return -EINVAL;
 836                 }
 837                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 838                         return -EINVAL;
 839                 return itv->video_dec_func(itv, VIDIOC_S_CROP, arg);
 840         }
 841
 842         case VIDIOC_G_CROP: {
 843                 struct v4l2_crop *crop = arg;
 844
 845                 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 846                     (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 847                         crop->c = itv->main_rect;
 848                         return 0;
 849                 }
 850                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 851                         return -EINVAL;
 852                 return itv->video_dec_func(itv, VIDIOC_G_CROP, arg);
 853         }
 854
 855         case VIDIOC_ENUM_FMT: {
 856                 static struct v4l2_fmtdesc formats[] = {
 857                         { 0, 0, 0,
 858                           "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12,
 859                           { 0, 0, 0, 0 }
 860                         },
 861                         { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 862                           "MPEG", V4L2_PIX_FMT_MPEG,
 863                           { 0, 0, 0, 0 }
 864                         }
 865                 };
 866                 struct v4l2_fmtdesc *fmt = arg;
 867                 enum v4l2_buf_type type = fmt->type;
 868
 869                 switch (type) {
 870                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 871                         break;
 872                 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 873                         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 874                                 return -EINVAL;
 875                         break;
 876                 default:
 877                         return -EINVAL;
 878                 }
 879                 if (fmt->index > 1)
 880                         return -EINVAL;
 881                 *fmt = formats[fmt->index];
 882                 fmt->type = type;
 883                 return 0;
 884         }
 885
 886         case VIDIOC_G_INPUT:{
 887                 *(int *)arg = itv->active_input;
 888                 break;
 889         }
 890
 891         case VIDIOC_S_INPUT:{
 892                 int inp = *(int *)arg;
 893
 894                 if (inp < 0 || inp >= itv->nof_inputs)
 895                         return -EINVAL;
 896
 897                 if (inp == itv->active_input) {
 898                         IVTV_DEBUG_INFO("Input unchanged\n");
 899                         break;
 900                 }
 901                 IVTV_DEBUG_INFO("Changing input from %d to %d\n",
 902                                 itv->active_input, inp);
 903
 904                 itv->active_input = inp;
 905                 /* Set the audio input to whatever is appropriate for the
 906                    input type. */
 907                 itv->audio_input = itv->card->video_inputs[inp].audio_index;
 908
 909                 /* prevent others from messing with the streams until
 910                    we're finished changing inputs. */
 911                 ivtv_mute(itv);
 912                 ivtv_video_set_io(itv);
 913                 ivtv_audio_set_io(itv);
 914                 ivtv_unmute(itv);
 915                 break;
 916         }
 917
 918         case VIDIOC_G_OUTPUT:{
 919                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 920                         return -EINVAL;
 921                 *(int *)arg = itv->active_output;
 922                 break;
 923         }
 924
 925         case VIDIOC_S_OUTPUT:{
 926                 int outp = *(int *)arg;
 927                 struct v4l2_routing route;
 928
 929                 if (outp >= itv->card->nof_outputs)
 930                         return -EINVAL;
 931
 932                 if (outp == itv->active_output) {
 933                         IVTV_DEBUG_INFO("Output unchanged\n");
 934                         break;
 935                 }
 936                 IVTV_DEBUG_INFO("Changing output from %d to %d\n",
 937                            itv->active_output, outp);
 938
 939                 itv->active_output = outp;
 940                 route.input = SAA7127_INPUT_TYPE_NORMAL;
 941                 route.output = itv->card->video_outputs[outp].video_output;
 942                 ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
 943                 break;
 944         }
 945
 946         case VIDIOC_G_FREQUENCY:{
 947                 struct v4l2_frequency *vf = arg;
 948
 949                 if (vf->tuner != 0)
 950                         return -EINVAL;
 951                 ivtv_call_i2c_clients(itv, cmd, arg);
 952                 break;
 953         }
 954
 955         case VIDIOC_S_FREQUENCY:{
 956                 struct v4l2_frequency vf = *(struct v4l2_frequency *)arg;
 957
 958                 if (vf.tuner != 0)
 959                         return -EINVAL;
 960
 961                 ivtv_mute(itv);
 962                 IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency);
 963                 ivtv_call_i2c_clients(itv, cmd, &vf);
 964                 ivtv_unmute(itv);
 965                 break;
 966         }
 967
 968         case VIDIOC_ENUMSTD:{
 969                 struct v4l2_standard *vs = arg;
 970                 int idx = vs->index;
 971
 972                 if (idx < 0 || idx >= ARRAY_SIZE(enum_stds))
 973                         return -EINVAL;
 974
 975                 *vs = (enum_stds[idx].std & V4L2_STD_525_60) ?
 976                                 ivtv_std_60hz : ivtv_std_50hz;
 977                 vs->index = idx;
 978                 vs->id = enum_stds[idx].std;
 979                 strcpy(vs->name, enum_stds[idx].name);
 980                 break;
 981         }
 982
 983         case VIDIOC_G_STD:{
 984                 *(v4l2_std_id *) arg = itv->std;
 985                 break;
 986         }
 987
 988         case VIDIOC_S_STD: {
 989                 v4l2_std_id std = *(v4l2_std_id *) arg;
 990
 991                 if ((std & V4L2_STD_ALL) == 0)
 992                         return -EINVAL;
 993
 994                 if (std == itv->std)
 995                         break;
 996
 997                 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
 998                     atomic_read(&itv->capturing) > 0 ||
 999                     atomic_read(&itv->decoding) > 0) {
1000                         /* Switching standard would turn off the radio or mess
1001                            with already running streams, prevent that by
1002                            returning EBUSY. */
1003                         return -EBUSY;
1004                 }
1005
1006                 itv->std = std;
1007                 itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
1008                 itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1009                 itv->params.width = 720;
1010                 itv->params.height = itv->is_50hz ? 576 : 480;
1011                 itv->vbi.count = itv->is_50hz ? 18 : 12;
1012                 itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1013                 itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1014                 if (itv->hw_flags & IVTV_HW_CX25840) {
1015                         itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1016                 }
1017                 IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1018
1019                 /* Tuner */
1020                 ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1021
1022                 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1023                         /* set display standard */
1024                         itv->std_out = std;
1025                         itv->is_out_60hz = itv->is_60hz;
1026                         itv->is_out_50hz = itv->is_50hz;
1027                         ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1028                         ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1029                         itv->main_rect.left = itv->main_rect.top = 0;
1030                         itv->main_rect.width = 720;
1031                         itv->main_rect.height = itv->params.height;
1032                         ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1033                                 720, itv->main_rect.height, 0, 0);
1034                 }
1035                 break;
1036         }
1037
1038         case VIDIOC_S_TUNER: {  /* Setting tuner can only set audio mode */
1039                 struct v4l2_tuner *vt = arg;
1040
1041                 if (vt->index != 0)
1042                         return -EINVAL;
1043
1044                 ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1045                 break;
1046         }
1047
1048         case VIDIOC_G_TUNER: {
1049                 struct v4l2_tuner *vt = arg;
1050
1051                 if (vt->index != 0)
1052                         return -EINVAL;
1053
1054                 memset(vt, 0, sizeof(*vt));
1055                 ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
1056
1057                 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1058                         strcpy(vt->name, "ivtv Radio Tuner");
1059                         vt->type = V4L2_TUNER_RADIO;
1060                 } else {
1061                         strcpy(vt->name, "ivtv TV Tuner");
1062                         vt->type = V4L2_TUNER_ANALOG_TV;
1063                 }
1064                 break;
1065         }
1066
1067         case VIDIOC_G_SLICED_VBI_CAP: {
1068                 struct v4l2_sliced_vbi_cap *cap = arg;
1069                 int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1070                 int f, l;
1071                 enum v4l2_buf_type type = cap->type;
1072
1073                 memset(cap, 0, sizeof(*cap));
1074                 cap->type = type;
1075                 if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1076                         for (f = 0; f < 2; f++) {
1077                                 for (l = 0; l < 24; l++) {
1078                                         if (valid_service_line(f, l, itv->is_50hz)) {
1079                                                 cap->service_lines[f][l] = set;
1080                                         }
1081                                 }
1082                         }
1083                         return 0;
1084                 }
1085                 if (type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1086                         if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1087                                 return -EINVAL;
1088                         if (itv->is_60hz) {
1089                                 cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1090                                 cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1091                         } else {
1092                                 cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1093                                 cap->service_lines[0][16] = V4L2_SLICED_VPS;
1094                         }
1095                         return 0;
1096                 }
1097                 return -EINVAL;
1098         }
1099
1100         case VIDIOC_G_ENC_INDEX: {
1101                 struct v4l2_enc_idx *idx = arg;
1102                 struct v4l2_enc_idx_entry *e = idx->entry;
1103                 int entries;
1104                 int i;
1105
1106                 entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1107                                         IVTV_MAX_PGM_INDEX;
1108                 if (entries > V4L2_ENC_IDX_ENTRIES)
1109                         entries = V4L2_ENC_IDX_ENTRIES;
1110                 idx->entries = 0;
1111                 for (i = 0; i < entries; i++) {
1112                         *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1113                         if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1114                                 idx->entries++;
1115                                 e++;
1116                         }
1117                 }
1118                 itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1119                 break;
1120         }
1121
1122         case VIDIOC_ENCODER_CMD:
1123         case VIDIOC_TRY_ENCODER_CMD: {
1124                 struct v4l2_encoder_cmd *enc = arg;
1125                 int try = cmd == VIDIOC_TRY_ENCODER_CMD;
1126
1127                 memset(&enc->raw, 0, sizeof(enc->raw));
1128                 switch (enc->cmd) {
1129                 case V4L2_ENC_CMD_START:
1130                         enc->flags = 0;
1131                         if (try)
1132                                 return 0;
1133                         return ivtv_start_capture(id);
1134
1135                 case V4L2_ENC_CMD_STOP:
1136                         enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1137                         if (try)
1138                                 return 0;
1139                         ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1140                         return 0;
1141
1142                 case V4L2_ENC_CMD_PAUSE:
1143                         enc->flags = 0;
1144                         if (try)
1145                                 return 0;
1146                         if (!atomic_read(&itv->capturing))
1147                                 return -EPERM;
1148                         if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1149                                 return 0;
1150                         ivtv_mute(itv);
1151                         ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1152                         break;
1153
1154                 case V4L2_ENC_CMD_RESUME:
1155                         enc->flags = 0;
1156                         if (try)
1157                                 return 0;
1158                         if (!atomic_read(&itv->capturing))
1159                                 return -EPERM;
1160                         if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1161                                 return 0;
1162                         ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1163                         ivtv_unmute(itv);
1164                         break;
1165                 default:
1166                         return -EINVAL;
1167                 }
1168                 break;
1169         }
1170
1171         case VIDIOC_G_FBUF: {
1172                 struct v4l2_framebuffer *fb = arg;
1173
1174                 memset(fb, 0, sizeof(*fb));
1175                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1176                         return -EINVAL;
1177                 fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1178                         V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_GLOBAL_ALPHA;
1179                 fb->fmt.pixelformat = itv->osd_pixelformat;
1180                 fb->fmt.width = itv->osd_rect.width;
1181                 fb->fmt.height = itv->osd_rect.height;
1182                 fb->base = (void *)itv->osd_video_pbase;
1183                 if (itv->osd_global_alpha_state)
1184                         fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1185                 if (itv->osd_local_alpha_state)
1186                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1187                 if (itv->osd_color_key_state)
1188                         fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1189                 break;
1190         }
1191
1192         case VIDIOC_S_FBUF: {
1193                 struct v4l2_framebuffer *fb = arg;
1194
1195                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1196                         return -EINVAL;
1197                 itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1198                 itv->osd_local_alpha_state = (fb->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) != 0;
1199                 itv->osd_color_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1200                 ivtv_set_osd_alpha(itv);
1201                 break;
1202         }
1203
1204         case VIDIOC_LOG_STATUS:
1205         {
1206                 int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1207                 struct v4l2_input vidin;
1208                 struct v4l2_audio audin;
1209                 int i;
1210
1211                 IVTV_INFO("=================  START STATUS CARD #%d  =================\n", itv->num);
1212                 if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1213                         struct tveeprom tv;
1214
1215                         ivtv_read_eeprom(itv, &tv);
1216                 }
1217                 ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1218                 ivtv_get_input(itv, itv->active_input, &vidin);
1219                 ivtv_get_audio_input(itv, itv->audio_input, &audin);
1220                 IVTV_INFO("Video Input: %s\n", vidin.name);
1221                 IVTV_INFO("Audio Input: %s\n", audin.name);
1222                 if (has_output) {
1223                         struct v4l2_output vidout;
1224                         struct v4l2_audioout audout;
1225                         int mode = itv->output_mode;
1226                         static const char * const output_modes[] = {
1227                                 "None",
1228                                 "MPEG Streaming",
1229                                 "YUV Streaming",
1230                                 "YUV Frames",
1231                                 "Passthrough",
1232                         };
1233
1234                         ivtv_get_output(itv, itv->active_output, &vidout);
1235                         ivtv_get_audio_output(itv, 0, &audout);
1236                         IVTV_INFO("Video Output: %s\n", vidout.name);
1237                         IVTV_INFO("Audio Output: %s\n", audout.name);
1238                         if (mode < 0 || mode > OUT_PASSTHROUGH)
1239                                 mode = OUT_NONE;
1240                         IVTV_INFO("Output Mode: %s\n", output_modes[mode]);
1241                 }
1242                 IVTV_INFO("Tuner: %s\n",
1243                         test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1244                 cx2341x_log_status(&itv->params, itv->name);
1245                 IVTV_INFO("Version: %s Status flags: 0x%08lx\n", IVTV_VERSION, itv->i_flags);
1246                 for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1247                         struct ivtv_stream *s = &itv->streams[i];
1248
1249                         if (s->v4l2dev == NULL || s->buffers == 0)
1250                                 continue;
1251                         IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1252                                         (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1253                                         (s->buffers * s->buf_size) / 1024, s->buffers);
1254                 }
1255                 IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1256                 IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
1257                 break;
1258         }
1259
1260         default:
1261                 return -EINVAL;
1262         }
1263         return 0;
1264 }
1265
1266 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1267 {
1268         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1269         struct ivtv *itv = id->itv;
1270         int nonblocking = filp->f_flags & O_NONBLOCK;
1271         struct ivtv_stream *s = &itv->streams[id->type];
1272
1273         switch (cmd) {
1274         case IVTV_IOC_DMA_FRAME: {
1275                 struct ivtv_dma_frame *args = arg;
1276
1277                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1278                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1279                         return -EINVAL;
1280                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1281                         return -EINVAL;
1282                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1283                         return 0;
1284                 if (ivtv_claim_stream(id, id->type)) {
1285                         return -EBUSY;
1286                 }
1287                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1288                         ivtv_release_stream(s);
1289                         return -EBUSY;
1290                 }
1291                 if (args->y_source == NULL)
1292                         return 0;
1293                 return ivtv_yuv_prep_frame(itv, args);
1294         }
1295
1296         case VIDEO_GET_PTS: {
1297                 u32 data[CX2341X_MBOX_MAX_DATA];
1298                 u64 *pts = arg;
1299
1300                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1301                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1302                         *pts = s->dma_pts;
1303                         break;
1304                 }
1305                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1306                         return -EINVAL;
1307
1308                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1309                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1310                                         (u64)itv->last_dec_timing[1];
1311                         break;
1312                 }
1313                 *pts = 0;
1314                 if (atomic_read(&itv->decoding)) {
1315                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1316                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1317                                 return -EIO;
1318                         }
1319                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1320                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1321                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1322                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1323                 }
1324                 break;
1325         }
1326
1327         case VIDEO_GET_FRAME_COUNT: {
1328                 u32 data[CX2341X_MBOX_MAX_DATA];
1329                 u64 *frame = arg;
1330
1331                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1332                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1333                         *frame = 0;
1334                         break;
1335                 }
1336                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1337                         return -EINVAL;
1338
1339                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1340                         *frame = itv->last_dec_timing[0];
1341                         break;
1342                 }
1343                 *frame = 0;
1344                 if (atomic_read(&itv->decoding)) {
1345                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1346                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1347                                 return -EIO;
1348                         }
1349                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1350                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1351                         *frame = data[0];
1352                 }
1353                 break;
1354         }
1355
1356         case VIDEO_PLAY: {
1357                 struct video_command vc;
1358
1359                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1360                 memset(&vc, 0, sizeof(vc));
1361                 vc.cmd = VIDEO_CMD_PLAY;
1362                 return ivtv_video_command(itv, id, &vc, 0);
1363         }
1364
1365         case VIDEO_STOP: {
1366                 struct video_command vc;
1367
1368                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1369                 memset(&vc, 0, sizeof(vc));
1370                 vc.cmd = VIDEO_CMD_STOP;
1371                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1372                 return ivtv_video_command(itv, id, &vc, 0);
1373         }
1374
1375         case VIDEO_FREEZE: {
1376                 struct video_command vc;
1377
1378                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1379                 memset(&vc, 0, sizeof(vc));
1380                 vc.cmd = VIDEO_CMD_FREEZE;
1381                 return ivtv_video_command(itv, id, &vc, 0);
1382         }
1383
1384         case VIDEO_CONTINUE: {
1385                 struct video_command vc;
1386
1387                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1388                 memset(&vc, 0, sizeof(vc));
1389                 vc.cmd = VIDEO_CMD_CONTINUE;
1390                 return ivtv_video_command(itv, id, &vc, 0);
1391         }
1392
1393         case VIDEO_COMMAND:
1394         case VIDEO_TRY_COMMAND: {
1395                 struct video_command *vc = arg;
1396                 int try = (cmd == VIDEO_TRY_COMMAND);
1397
1398                 if (try)
1399                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND\n");
1400                 else
1401                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND\n");
1402                 return ivtv_video_command(itv, id, vc, try);
1403         }
1404
1405         case VIDEO_GET_EVENT: {
1406                 struct video_event *ev = arg;
1407                 DEFINE_WAIT(wait);
1408
1409                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1410                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1411                         return -EINVAL;
1412                 memset(ev, 0, sizeof(*ev));
1413                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1414
1415                 while (1) {
1416                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1417                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1418                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1419                                 ev->type = VIDEO_EVENT_VSYNC;
1420                                 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1421                                         VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1422                                 if (itv->output_mode == OUT_UDMA_YUV &&
1423                                         (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1424                                                                 IVTV_YUV_MODE_PROGRESSIVE) {
1425                                         ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1426                                 }
1427                         }
1428                         if (ev->type)
1429                                 return 0;
1430                         if (nonblocking)
1431                                 return -EAGAIN;
1432                         /* wait for event */
1433                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1434                         if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1435                                 schedule();
1436                         finish_wait(&itv->event_waitq, &wait);
1437                         if (signal_pending(current)) {
1438                                 /* return if a signal was received */
1439                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1440                                 return -EINTR;
1441                         }
1442                 }
1443                 break;
1444         }
1445
1446         default:
1447                 return -EINVAL;
1448         }
1449         return 0;
1450 }
1451
1452 static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
1453                               unsigned int cmd, void *arg)
1454 {
1455         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1456         struct ivtv *itv = id->itv;
1457         int ret;
1458
1459         /* check priority */
1460         switch (cmd) {
1461         case VIDIOC_S_CTRL:
1462         case VIDIOC_S_STD:
1463         case VIDIOC_S_INPUT:
1464         case VIDIOC_S_OUTPUT:
1465         case VIDIOC_S_TUNER:
1466         case VIDIOC_S_FREQUENCY:
1467         case VIDIOC_S_FMT:
1468         case VIDIOC_S_CROP:
1469         case VIDIOC_S_AUDIO:
1470         case VIDIOC_S_AUDOUT:
1471         case VIDIOC_S_EXT_CTRLS:
1472         case VIDIOC_S_FBUF:
1473                 ret = v4l2_prio_check(&itv->prio, &id->prio);
1474                 if (ret)
1475                         return ret;
1476         }
1477
1478         switch (cmd) {
1479         case VIDIOC_DBG_G_REGISTER:
1480         case VIDIOC_DBG_S_REGISTER:
1481         case VIDIOC_G_CHIP_IDENT:
1482         case VIDIOC_INT_S_AUDIO_ROUTING:
1483         case VIDIOC_INT_RESET:
1484                 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1485                         printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1486                         v4l_printk_ioctl(cmd);
1487                 }
1488                 return ivtv_debug_ioctls(filp, cmd, arg);
1489
1490         case VIDIOC_G_PRIORITY:
1491         case VIDIOC_S_PRIORITY:
1492         case VIDIOC_QUERYCAP:
1493         case VIDIOC_ENUMINPUT:
1494         case VIDIOC_G_INPUT:
1495         case VIDIOC_S_INPUT:
1496         case VIDIOC_ENUMOUTPUT:
1497         case VIDIOC_G_OUTPUT:
1498         case VIDIOC_S_OUTPUT:
1499         case VIDIOC_G_FMT:
1500         case VIDIOC_S_FMT:
1501         case VIDIOC_TRY_FMT:
1502         case VIDIOC_ENUM_FMT:
1503         case VIDIOC_CROPCAP:
1504         case VIDIOC_G_CROP:
1505         case VIDIOC_S_CROP:
1506         case VIDIOC_G_FREQUENCY:
1507         case VIDIOC_S_FREQUENCY:
1508         case VIDIOC_ENUMSTD:
1509         case VIDIOC_G_STD:
1510         case VIDIOC_S_STD:
1511         case VIDIOC_S_TUNER:
1512         case VIDIOC_G_TUNER:
1513         case VIDIOC_ENUMAUDIO:
1514         case VIDIOC_S_AUDIO:
1515         case VIDIOC_G_AUDIO:
1516         case VIDIOC_ENUMAUDOUT:
1517         case VIDIOC_S_AUDOUT:
1518         case VIDIOC_G_AUDOUT:
1519         case VIDIOC_G_SLICED_VBI_CAP:
1520         case VIDIOC_LOG_STATUS:
1521         case VIDIOC_G_ENC_INDEX:
1522         case VIDIOC_ENCODER_CMD:
1523         case VIDIOC_TRY_ENCODER_CMD:
1524         case VIDIOC_G_FBUF:
1525         case VIDIOC_S_FBUF:
1526                 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1527                         printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1528                         v4l_printk_ioctl(cmd);
1529                 }
1530                 return ivtv_v4l2_ioctls(itv, filp, cmd, arg);
1531
1532         case VIDIOC_QUERYMENU:
1533         case VIDIOC_QUERYCTRL:
1534         case VIDIOC_S_CTRL:
1535         case VIDIOC_G_CTRL:
1536         case VIDIOC_S_EXT_CTRLS:
1537         case VIDIOC_G_EXT_CTRLS:
1538         case VIDIOC_TRY_EXT_CTRLS:
1539                 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1540                         printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1541                         v4l_printk_ioctl(cmd);
1542                 }
1543                 return ivtv_control_ioctls(itv, cmd, arg);
1544
1545         case IVTV_IOC_DMA_FRAME:
1546         case VIDEO_GET_PTS:
1547         case VIDEO_GET_FRAME_COUNT:
1548         case VIDEO_GET_EVENT:
1549         case VIDEO_PLAY:
1550         case VIDEO_STOP:
1551         case VIDEO_FREEZE:
1552         case VIDEO_CONTINUE:
1553         case VIDEO_COMMAND:
1554         case VIDEO_TRY_COMMAND:
1555                 return ivtv_decoder_ioctls(filp, cmd, arg);
1556
1557         case 0x00005401:        /* Handle isatty() calls */
1558                 return -EINVAL;
1559         default:
1560                 return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
1561                                                    ivtv_v4l2_do_ioctl);
1562         }
1563         return 0;
1564 }
1565
1566 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1567                     unsigned long arg)
1568 {
1569         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1570         struct ivtv *itv = id->itv;
1571
1572         /* Filter dvb ioctls that cannot be handled by video_usercopy */
1573         switch (cmd) {
1574         case VIDEO_SELECT_SOURCE:
1575                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1576                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1577                         return -EINVAL;
1578                 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1579
1580         case AUDIO_SET_MUTE:
1581                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1582                 itv->speed_mute_audio = arg;
1583                 return 0;
1584
1585         case AUDIO_CHANNEL_SELECT:
1586                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1587                 if (arg > AUDIO_STEREO_SWAPPED)
1588                         return -EINVAL;
1589                 itv->audio_stereo_mode = arg;
1590                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1591                 return 0;
1592
1593         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1594                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1595                 if (arg > AUDIO_STEREO_SWAPPED)
1596                         return -EINVAL;
1597                 itv->audio_bilingual_mode = arg;
1598                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1599                 return 0;
1600
1601         default:
1602                 break;
1603         }
1604         return video_usercopy(inode, filp, cmd, arg, ivtv_v4l2_do_ioctl);
1605 }