git.oblomov.eu Git - 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                 int i;
1103
1104                 idx->entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1105                                         IVTV_MAX_PGM_INDEX;
1106                 if (idx->entries > V4L2_ENC_IDX_ENTRIES)
1107                         idx->entries = V4L2_ENC_IDX_ENTRIES;
1108                 for (i = 0; i < idx->entries; i++) {
1109                         idx->entry[i] = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1110                 }
1111                 itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1112                 break;
1113         }
1114
1115         case VIDIOC_ENCODER_CMD:
1116         case VIDIOC_TRY_ENCODER_CMD: {
1117                 struct v4l2_encoder_cmd *enc = arg;
1118                 int try = cmd == VIDIOC_TRY_ENCODER_CMD;
1119
1120                 memset(&enc->raw, 0, sizeof(enc->raw));
1121                 switch (enc->cmd) {
1122                 case V4L2_ENC_CMD_START:
1123                         enc->flags = 0;
1124                         if (try)
1125                                 return 0;
1126                         return ivtv_start_capture(id);
1127
1128                 case V4L2_ENC_CMD_STOP:
1129                         enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1130                         if (try)
1131                                 return 0;
1132                         ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1133                         return 0;
1134
1135                 case V4L2_ENC_CMD_PAUSE:
1136                         enc->flags = 0;
1137                         if (try)
1138                                 return 0;
1139                         if (!atomic_read(&itv->capturing))
1140                                 return -EPERM;
1141                         if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1142                                 return 0;
1143                         ivtv_mute(itv);
1144                         ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1145                         break;
1146
1147                 case V4L2_ENC_CMD_RESUME:
1148                         enc->flags = 0;
1149                         if (try)
1150                                 return 0;
1151                         if (!atomic_read(&itv->capturing))
1152                                 return -EPERM;
1153                         if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1154                                 return 0;
1155                         ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1156                         ivtv_unmute(itv);
1157                         break;
1158                 default:
1159                         return -EINVAL;
1160                 }
1161                 break;
1162         }
1163
1164         case VIDIOC_G_FBUF: {
1165                 struct v4l2_framebuffer *fb = arg;
1166
1167                 memset(fb, 0, sizeof(*fb));
1168                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1169                         return -EINVAL;
1170                 fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1171                         V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_GLOBAL_ALPHA;
1172                 fb->fmt.pixelformat = itv->osd_pixelformat;
1173                 fb->fmt.width = itv->osd_rect.width;
1174                 fb->fmt.height = itv->osd_rect.height;
1175                 fb->base = (void *)itv->osd_video_pbase;
1176                 if (itv->osd_global_alpha_state)
1177                         fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1178                 if (itv->osd_local_alpha_state)
1179                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1180                 if (itv->osd_color_key_state)
1181                         fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1182                 break;
1183         }
1184
1185         case VIDIOC_S_FBUF: {
1186                 struct v4l2_framebuffer *fb = arg;
1187
1188                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1189                         return -EINVAL;
1190                 itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1191                 itv->osd_local_alpha_state = (fb->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) != 0;
1192                 itv->osd_color_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1193                 ivtv_set_osd_alpha(itv);
1194                 break;
1195         }
1196
1197         case VIDIOC_LOG_STATUS:
1198         {
1199                 int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1200                 struct v4l2_input vidin;
1201                 struct v4l2_audio audin;
1202                 int i;
1203
1204                 IVTV_INFO("=================  START STATUS CARD #%d  =================\n", itv->num);
1205                 if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1206                         struct tveeprom tv;
1207
1208                         ivtv_read_eeprom(itv, &tv);
1209                 }
1210                 ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1211                 ivtv_get_input(itv, itv->active_input, &vidin);
1212                 ivtv_get_audio_input(itv, itv->audio_input, &audin);
1213                 IVTV_INFO("Video Input: %s\n", vidin.name);
1214                 IVTV_INFO("Audio Input: %s\n", audin.name);
1215                 if (has_output) {
1216                         struct v4l2_output vidout;
1217                         struct v4l2_audioout audout;
1218                         int mode = itv->output_mode;
1219                         static const char * const output_modes[] = {
1220                                 "None",
1221                                 "MPEG Streaming",
1222                                 "YUV Streaming",
1223                                 "YUV Frames",
1224                                 "Passthrough",
1225                         };
1226
1227                         ivtv_get_output(itv, itv->active_output, &vidout);
1228                         ivtv_get_audio_output(itv, 0, &audout);
1229                         IVTV_INFO("Video Output: %s\n", vidout.name);
1230                         IVTV_INFO("Audio Output: %s\n", audout.name);
1231                         if (mode < 0 || mode > OUT_PASSTHROUGH)
1232                                 mode = OUT_NONE;
1233                         IVTV_INFO("Output Mode: %s\n", output_modes[mode]);
1234                 }
1235                 IVTV_INFO("Tuner: %s\n",
1236                         test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1237                 cx2341x_log_status(&itv->params, itv->name);
1238                 IVTV_INFO("Version: %s Status flags: 0x%08lx\n", IVTV_VERSION, itv->i_flags);
1239                 for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1240                         struct ivtv_stream *s = &itv->streams[i];
1241
1242                         if (s->v4l2dev == NULL || s->buffers == 0)
1243                                 continue;
1244                         IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1245                                         (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1246                                         (s->buffers * s->buf_size) / 1024, s->buffers);
1247                 }
1248                 IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1249                 IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
1250                 break;
1251         }
1252
1253         default:
1254                 return -EINVAL;
1255         }
1256         return 0;
1257 }
1258
1259 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1260 {
1261         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1262         struct ivtv *itv = id->itv;
1263         int nonblocking = filp->f_flags & O_NONBLOCK;
1264         struct ivtv_stream *s = &itv->streams[id->type];
1265
1266         switch (cmd) {
1267         case IVTV_IOC_DMA_FRAME: {
1268                 struct ivtv_dma_frame *args = arg;
1269
1270                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1271                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1272                         return -EINVAL;
1273                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1274                         return -EINVAL;
1275                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1276                         return 0;
1277                 if (ivtv_claim_stream(id, id->type)) {
1278                         return -EBUSY;
1279                 }
1280                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1281                         ivtv_release_stream(s);
1282                         return -EBUSY;
1283                 }
1284                 if (args->y_source == NULL)
1285                         return 0;
1286                 return ivtv_yuv_prep_frame(itv, args);
1287         }
1288
1289         case VIDEO_GET_PTS: {
1290                 u32 data[CX2341X_MBOX_MAX_DATA];
1291                 u64 *pts = arg;
1292
1293                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1294                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1295                         *pts = s->dma_pts;
1296                         break;
1297                 }
1298                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1299                         return -EINVAL;
1300
1301                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1302                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1303                                         (u64)itv->last_dec_timing[1];
1304                         break;
1305                 }
1306                 *pts = 0;
1307                 if (atomic_read(&itv->decoding)) {
1308                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1309                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1310                                 return -EIO;
1311                         }
1312                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1313                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1314                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1315                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1316                 }
1317                 break;
1318         }
1319
1320         case VIDEO_GET_FRAME_COUNT: {
1321                 u32 data[CX2341X_MBOX_MAX_DATA];
1322                 u64 *frame = arg;
1323
1324                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1325                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1326                         *frame = 0;
1327                         break;
1328                 }
1329                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1330                         return -EINVAL;
1331
1332                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1333                         *frame = itv->last_dec_timing[0];
1334                         break;
1335                 }
1336                 *frame = 0;
1337                 if (atomic_read(&itv->decoding)) {
1338                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1339                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1340                                 return -EIO;
1341                         }
1342                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1343                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1344                         *frame = data[0];
1345                 }
1346                 break;
1347         }
1348
1349         case VIDEO_PLAY: {
1350                 struct video_command vc;
1351
1352                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1353                 memset(&vc, 0, sizeof(vc));
1354                 vc.cmd = VIDEO_CMD_PLAY;
1355                 return ivtv_video_command(itv, id, &vc, 0);
1356         }
1357
1358         case VIDEO_STOP: {
1359                 struct video_command vc;
1360
1361                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1362                 memset(&vc, 0, sizeof(vc));
1363                 vc.cmd = VIDEO_CMD_STOP;
1364                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1365                 return ivtv_video_command(itv, id, &vc, 0);
1366         }
1367
1368         case VIDEO_FREEZE: {
1369                 struct video_command vc;
1370
1371                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1372                 memset(&vc, 0, sizeof(vc));
1373                 vc.cmd = VIDEO_CMD_FREEZE;
1374                 return ivtv_video_command(itv, id, &vc, 0);
1375         }
1376
1377         case VIDEO_CONTINUE: {
1378                 struct video_command vc;
1379
1380                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1381                 memset(&vc, 0, sizeof(vc));
1382                 vc.cmd = VIDEO_CMD_CONTINUE;
1383                 return ivtv_video_command(itv, id, &vc, 0);
1384         }
1385
1386         case VIDEO_COMMAND:
1387         case VIDEO_TRY_COMMAND: {
1388                 struct video_command *vc = arg;
1389                 int try = (cmd == VIDEO_TRY_COMMAND);
1390
1391                 if (try)
1392                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND\n");
1393                 else
1394                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND\n");
1395                 return ivtv_video_command(itv, id, vc, try);
1396         }
1397
1398         case VIDEO_GET_EVENT: {
1399                 struct video_event *ev = arg;
1400                 DEFINE_WAIT(wait);
1401
1402                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1403                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1404                         return -EINVAL;
1405                 memset(ev, 0, sizeof(*ev));
1406                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1407
1408                 while (1) {
1409                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1410                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1411                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1412                                 ev->type = VIDEO_EVENT_VSYNC;
1413                                 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1414                                         VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1415                                 if (itv->output_mode == OUT_UDMA_YUV &&
1416                                         (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1417                                                                 IVTV_YUV_MODE_PROGRESSIVE) {
1418                                         ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1419                                 }
1420                         }
1421                         if (ev->type)
1422                                 return 0;
1423                         if (nonblocking)
1424                                 return -EAGAIN;
1425                         /* wait for event */
1426                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1427                         if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1428                                 schedule();
1429                         finish_wait(&itv->event_waitq, &wait);
1430                         if (signal_pending(current)) {
1431                                 /* return if a signal was received */
1432                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1433                                 return -EINTR;
1434                         }
1435                 }
1436                 break;
1437         }
1438
1439         default:
1440                 return -EINVAL;
1441         }
1442         return 0;
1443 }
1444
1445 static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
1446                               unsigned int cmd, void *arg)
1447 {
1448         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1449         struct ivtv *itv = id->itv;
1450         int ret;
1451
1452         /* check priority */
1453         switch (cmd) {
1454         case VIDIOC_S_CTRL:
1455         case VIDIOC_S_STD:
1456         case VIDIOC_S_INPUT:
1457         case VIDIOC_S_OUTPUT:
1458         case VIDIOC_S_TUNER:
1459         case VIDIOC_S_FREQUENCY:
1460         case VIDIOC_S_FMT:
1461         case VIDIOC_S_CROP:
1462         case VIDIOC_S_AUDIO:
1463         case VIDIOC_S_AUDOUT:
1464         case VIDIOC_S_EXT_CTRLS:
1465         case VIDIOC_S_FBUF:
1466                 ret = v4l2_prio_check(&itv->prio, &id->prio);
1467                 if (ret)
1468                         return ret;
1469         }
1470
1471         switch (cmd) {
1472         case VIDIOC_DBG_G_REGISTER:
1473         case VIDIOC_DBG_S_REGISTER:
1474         case VIDIOC_G_CHIP_IDENT:
1475         case VIDIOC_INT_S_AUDIO_ROUTING:
1476         case VIDIOC_INT_RESET:
1477                 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1478                         printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1479                         v4l_printk_ioctl(cmd);
1480                 }
1481                 return ivtv_debug_ioctls(filp, cmd, arg);
1482
1483         case VIDIOC_G_PRIORITY:
1484         case VIDIOC_S_PRIORITY:
1485         case VIDIOC_QUERYCAP:
1486         case VIDIOC_ENUMINPUT:
1487         case VIDIOC_G_INPUT:
1488         case VIDIOC_S_INPUT:
1489         case VIDIOC_ENUMOUTPUT:
1490         case VIDIOC_G_OUTPUT:
1491         case VIDIOC_S_OUTPUT:
1492         case VIDIOC_G_FMT:
1493         case VIDIOC_S_FMT:
1494         case VIDIOC_TRY_FMT:
1495         case VIDIOC_ENUM_FMT:
1496         case VIDIOC_CROPCAP:
1497         case VIDIOC_G_CROP:
1498         case VIDIOC_S_CROP:
1499         case VIDIOC_G_FREQUENCY:
1500         case VIDIOC_S_FREQUENCY:
1501         case VIDIOC_ENUMSTD:
1502         case VIDIOC_G_STD:
1503         case VIDIOC_S_STD:
1504         case VIDIOC_S_TUNER:
1505         case VIDIOC_G_TUNER:
1506         case VIDIOC_ENUMAUDIO:
1507         case VIDIOC_S_AUDIO:
1508         case VIDIOC_G_AUDIO:
1509         case VIDIOC_ENUMAUDOUT:
1510         case VIDIOC_S_AUDOUT:
1511         case VIDIOC_G_AUDOUT:
1512         case VIDIOC_G_SLICED_VBI_CAP:
1513         case VIDIOC_LOG_STATUS:
1514         case VIDIOC_G_ENC_INDEX:
1515         case VIDIOC_ENCODER_CMD:
1516         case VIDIOC_TRY_ENCODER_CMD:
1517         case VIDIOC_G_FBUF:
1518         case VIDIOC_S_FBUF:
1519                 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1520                         printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1521                         v4l_printk_ioctl(cmd);
1522                 }
1523                 return ivtv_v4l2_ioctls(itv, filp, cmd, arg);
1524
1525         case VIDIOC_QUERYMENU:
1526         case VIDIOC_QUERYCTRL:
1527         case VIDIOC_S_CTRL:
1528         case VIDIOC_G_CTRL:
1529         case VIDIOC_S_EXT_CTRLS:
1530         case VIDIOC_G_EXT_CTRLS:
1531         case VIDIOC_TRY_EXT_CTRLS:
1532                 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1533                         printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1534                         v4l_printk_ioctl(cmd);
1535                 }
1536                 return ivtv_control_ioctls(itv, cmd, arg);
1537
1538         case IVTV_IOC_DMA_FRAME:
1539         case VIDEO_GET_PTS:
1540         case VIDEO_GET_FRAME_COUNT:
1541         case VIDEO_GET_EVENT:
1542         case VIDEO_PLAY:
1543         case VIDEO_STOP:
1544         case VIDEO_FREEZE:
1545         case VIDEO_CONTINUE:
1546         case VIDEO_COMMAND:
1547         case VIDEO_TRY_COMMAND:
1548                 return ivtv_decoder_ioctls(filp, cmd, arg);
1549
1550         case 0x00005401:        /* Handle isatty() calls */
1551                 return -EINVAL;
1552         default:
1553                 return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
1554                                                    ivtv_v4l2_do_ioctl);
1555         }
1556         return 0;
1557 }
1558
1559 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1560                     unsigned long arg)
1561 {
1562         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1563         struct ivtv *itv = id->itv;
1564
1565         /* Filter dvb ioctls that cannot be handled by video_usercopy */
1566         switch (cmd) {
1567         case VIDEO_SELECT_SOURCE:
1568                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1569                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1570                         return -EINVAL;
1571                 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1572
1573         case AUDIO_SET_MUTE:
1574                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1575                 itv->speed_mute_audio = arg;
1576                 return 0;
1577
1578         case AUDIO_CHANNEL_SELECT:
1579                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1580                 if (arg > AUDIO_STEREO_SWAPPED)
1581                         return -EINVAL;
1582                 itv->audio_stereo_mode = arg;
1583                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1584                 return 0;
1585
1586         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1587                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1588                 if (arg > AUDIO_STEREO_SWAPPED)
1589                         return -EINVAL;
1590                 itv->audio_bilingual_mode = arg;
1591                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1592                 return 0;
1593
1594         default:
1595                 break;
1596         }
1597         return video_usercopy(inode, filp, cmd, arg, ivtv_v4l2_do_ioctl);
1598 }