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->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed);
 281                 if (vc->play.speed < 0)
 282                         vc->play.format = VIDEO_PLAY_FMT_GOP;
 283                 if (try) break;
 284
 285                 if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
 286                         return -EBUSY;
 287                 return ivtv_start_decoding(id, vc->play.speed);
 288         }
 289
 290         case VIDEO_CMD_STOP:
 291                 if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY)
 292                         vc->stop.pts = 0;
 293                 if (try) break;
 294                 if (atomic_read(&itv->decoding) == 0)
 295                         return 0;
 296                 if (itv->output_mode != OUT_MPG)
 297                         return -EBUSY;
 298
 299                 itv->output_mode = OUT_NONE;
 300                 return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts);
 301
 302         case VIDEO_CMD_FREEZE:
 303                 if (try) break;
 304                 if (itv->output_mode != OUT_MPG)
 305                         return -EBUSY;
 306                 if (atomic_read(&itv->decoding) > 0) {
 307                         ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
 308                                 (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
 309                 }
 310                 break;
 311
 312         case VIDEO_CMD_CONTINUE:
 313                 if (try) break;
 314                 if (itv->output_mode != OUT_MPG)
 315                         return -EBUSY;
 316                 if (atomic_read(&itv->decoding) > 0) {
 317                         ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 0);
 318                 }
 319                 break;
 320
 321         default:
 322                 return -EINVAL;
 323         }
 324         return 0;
 325 }
 326
 327 static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
 328 {
 329         struct v4l2_register *regs = arg;
 330         unsigned long flags;
 331         volatile u8 __iomem *reg_start;
 332
 333         if (!capable(CAP_SYS_ADMIN))
 334                 return -EPERM;
 335         if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
 336                 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
 337         else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
 338                         regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
 339                 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
 340         else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE)
 341                 reg_start = itv->enc_mem;
 342         else
 343                 return -EINVAL;
 344
 345         spin_lock_irqsave(&ivtv_cards_lock, flags);
 346         if (cmd == VIDIOC_DBG_G_REGISTER) {
 347                 regs->val = readl(regs->reg + reg_start);
 348         } else {
 349                 writel(regs->val, regs->reg + reg_start);
 350         }
 351         spin_unlock_irqrestore(&ivtv_cards_lock, flags);
 352         return 0;
 353 }
 354
 355 static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fmt)
 356 {
 357         switch (fmt->type) {
 358         case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 359                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 360                         return -EINVAL;
 361                 fmt->fmt.pix.left = itv->main_rect.left;
 362                 fmt->fmt.pix.top = itv->main_rect.top;
 363                 fmt->fmt.pix.width = itv->main_rect.width;
 364                 fmt->fmt.pix.height = itv->main_rect.height;
 365                 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 366                 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
 367                 if (itv->output_mode == OUT_UDMA_YUV) {
 368                         switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
 369                         case IVTV_YUV_MODE_INTERLACED:
 370                                 fmt->fmt.pix.field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
 371                                         V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
 372                                 break;
 373                         case IVTV_YUV_MODE_PROGRESSIVE:
 374                                 fmt->fmt.pix.field = V4L2_FIELD_NONE;
 375                                 break;
 376                         default:
 377                                 fmt->fmt.pix.field = V4L2_FIELD_ANY;
 378                                 break;
 379                         }
 380                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
 381                         /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 382                         fmt->fmt.pix.sizeimage =
 383                                 fmt->fmt.pix.height * fmt->fmt.pix.width +
 384                                 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
 385                 }
 386                 else if (itv->output_mode == OUT_YUV ||
 387                                 streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
 388                                 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 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                 } else {
 395                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
 396                         fmt->fmt.pix.sizeimage = 128 * 1024;
 397                 }
 398                 break;
 399
 400         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 401                 fmt->fmt.pix.left = 0;
 402                 fmt->fmt.pix.top = 0;
 403                 fmt->fmt.pix.width = itv->params.width;
 404                 fmt->fmt.pix.height = itv->params.height;
 405                 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 406                 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
 407                 if (streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
 408                                 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 409                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
 410                         /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 411                         fmt->fmt.pix.sizeimage =
 412                                 fmt->fmt.pix.height * fmt->fmt.pix.width +
 413                                 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
 414                 } else {
 415                         fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
 416                         fmt->fmt.pix.sizeimage = 128 * 1024;
 417                 }
 418                 break;
 419
 420         case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
 421                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 422                         return -EINVAL;
 423                 fmt->fmt.win.chromakey = itv->osd_color_key;
 424                 fmt->fmt.win.global_alpha = itv->osd_global_alpha;
 425                 break;
 426
 427         case V4L2_BUF_TYPE_VBI_CAPTURE:
 428                 fmt->fmt.vbi.sampling_rate = 27000000;
 429                 fmt->fmt.vbi.offset = 248;
 430                 fmt->fmt.vbi.samples_per_line = itv->vbi.raw_decoder_line_size - 4;
 431                 fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
 432                 fmt->fmt.vbi.start[0] = itv->vbi.start[0];
 433                 fmt->fmt.vbi.start[1] = itv->vbi.start[1];
 434                 fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = itv->vbi.count;
 435                 break;
 436
 437         case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
 438         {
 439                 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 440
 441                 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
 442                         return -EINVAL;
 443                 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 444                 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
 445                 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
 446                 if (itv->is_60hz) {
 447                         vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
 448                         vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
 449                 } else {
 450                         vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
 451                         vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
 452                 }
 453                 vbifmt->service_set = get_service_set(vbifmt);
 454                 break;
 455         }
 456
 457         case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
 458         {
 459                 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 460
 461                 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 462                 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
 463                 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
 464
 465                 if (streamtype == IVTV_DEC_STREAM_TYPE_VBI) {
 466                         vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
 467                                                  V4L2_SLICED_VBI_525;
 468                         expand_service_set(vbifmt, itv->is_50hz);
 469                         break;
 470                 }
 471
 472                 itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
 473                 vbifmt->service_set = get_service_set(vbifmt);
 474                 break;
 475         }
 476         case V4L2_BUF_TYPE_VBI_OUTPUT:
 477         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
 478         default:
 479                 return -EINVAL;
 480         }
 481         return 0;
 482 }
 483
 484 static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype,
 485                 struct v4l2_format *fmt, int set_fmt)
 486 {
 487         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 488         u16 set;
 489
 490         if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
 491                 struct v4l2_rect r;
 492                 int field;
 493
 494                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 495                         return -EINVAL;
 496                 field = fmt->fmt.pix.field;
 497                 r.top = fmt->fmt.pix.top;
 498                 r.left = fmt->fmt.pix.left;
 499                 r.width = fmt->fmt.pix.width;
 500                 r.height = fmt->fmt.pix.height;
 501                 ivtv_get_fmt(itv, streamtype, fmt);
 502                 if (itv->output_mode != OUT_UDMA_YUV) {
 503                         /* TODO: would setting the rect also be valid for this mode? */
 504                         fmt->fmt.pix.top = r.top;
 505                         fmt->fmt.pix.left = r.left;
 506                         fmt->fmt.pix.width = r.width;
 507                         fmt->fmt.pix.height = r.height;
 508                 }
 509                 if (itv->output_mode == OUT_UDMA_YUV) {
 510                         /* TODO: add checks for validity */
 511                         fmt->fmt.pix.field = field;
 512                 }
 513                 if (set_fmt) {
 514                         if (itv->output_mode == OUT_UDMA_YUV) {
 515                                 switch (field) {
 516                                 case V4L2_FIELD_NONE:
 517                                         itv->yuv_info.lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
 518                                         break;
 519                                 case V4L2_FIELD_ANY:
 520                                         itv->yuv_info.lace_mode = IVTV_YUV_MODE_AUTO;
 521                                         break;
 522                                 case V4L2_FIELD_INTERLACED_BT:
 523                                         itv->yuv_info.lace_mode =
 524                                                 IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
 525                                         break;
 526                                 case V4L2_FIELD_INTERLACED_TB:
 527                                 default:
 528                                         itv->yuv_info.lace_mode = IVTV_YUV_MODE_INTERLACED;
 529                                         break;
 530                                 }
 531                                 itv->yuv_info.lace_sync_field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
 532
 533                                 /* Force update of yuv registers */
 534                                 itv->yuv_info.yuv_forced_update = 1;
 535                                 return 0;
 536                         }
 537                         if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
 538                                  r.width, r.height, r.left, r.top))
 539                                 itv->main_rect = r;
 540                         else
 541                                 return -EINVAL;
 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_internal_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                 IVTV_DEBUG_IOCTL("VIDIOC_DBG_G_REGISTER\n");
 645                 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 646                         return ivtv_itvc(itv, cmd, arg);
 647                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 648                         return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
 649                 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
 650
 651         case VIDIOC_DBG_S_REGISTER:
 652                 IVTV_DEBUG_IOCTL("VIDIOC_DBG_S_REGISTER\n");
 653                 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 654                         return ivtv_itvc(itv, cmd, arg);
 655                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 656                         return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
 657                 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
 658
 659         case VIDIOC_G_CHIP_IDENT: {
 660                 struct v4l2_chip_ident *chip = arg;
 661
 662                 IVTV_DEBUG_IOCTL("VIDIOC_G_CHIP_IDENT\n");
 663                 chip->ident = V4L2_IDENT_NONE;
 664                 chip->revision = 0;
 665                 if (reg->match_type == V4L2_CHIP_MATCH_HOST) {
 666                         if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) {
 667                                 struct v4l2_chip_ident *chip = arg;
 668
 669                                 chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
 670                         }
 671                         return 0;
 672                 }
 673                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 674                         return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
 675                 if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 676                         return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
 677                 return -EINVAL;
 678         }
 679
 680         case VIDIOC_INT_S_AUDIO_ROUTING: {
 681                 struct v4l2_routing *route = arg;
 682
 683                 IVTV_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING\n");
 684                 ivtv_audio_set_route(itv, route);
 685                 break;
 686         }
 687
 688         case VIDIOC_INT_RESET:
 689                 IVTV_DEBUG_IOCTL("VIDIOC_INT_RESET\n");
 690                 ivtv_reset_ir_gpio(itv);
 691                 break;
 692
 693         default:
 694                 return -EINVAL;
 695         }
 696         return 0;
 697 }
 698
 699 int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void *arg)
 700 {
 701         struct ivtv_open_id *id = NULL;
 702
 703         if (filp) id = (struct ivtv_open_id *)filp->private_data;
 704
 705         switch (cmd) {
 706         case VIDIOC_QUERYCAP:{
 707                 struct v4l2_capability *vcap = arg;
 708
 709                 IVTV_DEBUG_IOCTL("VIDIOC_QUERYCAP\n");
 710
 711                 memset(vcap, 0, sizeof(*vcap));
 712                 strcpy(vcap->driver, IVTV_DRIVER_NAME);     /* driver name */
 713                 strcpy(vcap->card, itv->card_name);         /* card type */
 714                 strcpy(vcap->bus_info, pci_name(itv->dev)); /* bus info... */
 715                 vcap->version = IVTV_DRIVER_VERSION;        /* version */
 716                 vcap->capabilities = itv->v4l2_cap;         /* capabilities */
 717
 718                 /* reserved.. must set to 0! */
 719                 vcap->reserved[0] = vcap->reserved[1] =
 720                         vcap->reserved[2] = vcap->reserved[3] = 0;
 721                 break;
 722         }
 723
 724         case VIDIOC_ENUMAUDIO:{
 725                 struct v4l2_audio *vin = arg;
 726
 727                 IVTV_DEBUG_IOCTL("VIDIOC_ENUMAUDIO\n");
 728
 729                 return ivtv_get_audio_input(itv, vin->index, vin);
 730         }
 731
 732         case VIDIOC_G_AUDIO:{
 733                 struct v4l2_audio *vin = arg;
 734
 735                 IVTV_DEBUG_IOCTL("VIDIOC_G_AUDIO\n");
 736                 vin->index = itv->audio_input;
 737                 return ivtv_get_audio_input(itv, vin->index, vin);
 738         }
 739
 740         case VIDIOC_S_AUDIO:{
 741                 struct v4l2_audio *vout = arg;
 742
 743                 IVTV_DEBUG_IOCTL("VIDIOC_S_AUDIO\n");
 744
 745                 if (vout->index >= itv->nof_audio_inputs)
 746                         return -EINVAL;
 747                 itv->audio_input = vout->index;
 748                 ivtv_audio_set_io(itv);
 749                 break;
 750         }
 751
 752         case VIDIOC_ENUMAUDOUT:{
 753                 struct v4l2_audioout *vin = arg;
 754
 755                 IVTV_DEBUG_IOCTL("VIDIOC_ENUMAUDOUT\n");
 756
 757                 /* set it to defaults from our table */
 758                 return ivtv_get_audio_output(itv, vin->index, vin);
 759         }
 760
 761         case VIDIOC_G_AUDOUT:{
 762                 struct v4l2_audioout *vin = arg;
 763
 764                 IVTV_DEBUG_IOCTL("VIDIOC_G_AUDOUT\n");
 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                 IVTV_DEBUG_IOCTL("VIDIOC_S_AUDOUT\n");
 773
 774                 return ivtv_get_audio_output(itv, vout->index, vout);
 775         }
 776
 777         case VIDIOC_ENUMINPUT:{
 778                 struct v4l2_input *vin = arg;
 779
 780                 IVTV_DEBUG_IOCTL("VIDIOC_ENUMINPUT\n");
 781
 782                 /* set it to defaults from our table */
 783                 return ivtv_get_input(itv, vin->index, vin);
 784         }
 785
 786         case VIDIOC_ENUMOUTPUT:{
 787                 struct v4l2_output *vout = arg;
 788
 789                 IVTV_DEBUG_IOCTL("VIDIOC_ENUMOUTPUT\n");
 790
 791                 return ivtv_get_output(itv, vout->index, vout);
 792         }
 793
 794         case VIDIOC_TRY_FMT:
 795         case VIDIOC_S_FMT: {
 796                 struct v4l2_format *fmt = arg;
 797
 798                 if (cmd == VIDIOC_S_FMT) {
 799                         IVTV_DEBUG_IOCTL("VIDIOC_S_FMT\n");
 800                 } else {
 801                         IVTV_DEBUG_IOCTL("VIDIOC_TRY_FMT\n");
 802                 }
 803                 return ivtv_try_or_set_fmt(itv, id->type, fmt, cmd == VIDIOC_S_FMT);
 804         }
 805
 806         case VIDIOC_G_FMT: {
 807                 struct v4l2_format *fmt = arg;
 808                 int type = fmt->type;
 809
 810                 IVTV_DEBUG_IOCTL("VIDIOC_G_FMT\n");
 811                 memset(fmt, 0, sizeof(*fmt));
 812                 fmt->type = type;
 813                 return ivtv_get_fmt(itv, id->type, fmt);
 814         }
 815
 816         case VIDIOC_S_CROP: {
 817                 struct v4l2_crop *crop = arg;
 818
 819                 IVTV_DEBUG_IOCTL("VIDIOC_S_CROP\n");
 820                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 821                         return -EINVAL;
 822                 return itv->video_dec_func(itv, VIDIOC_S_CROP, arg);
 823         }
 824
 825         case VIDIOC_G_CROP: {
 826                 struct v4l2_crop *crop = arg;
 827
 828                 IVTV_DEBUG_IOCTL("VIDIOC_G_CROP\n");
 829                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 830                         return -EINVAL;
 831                 return itv->video_dec_func(itv, VIDIOC_G_CROP, arg);
 832         }
 833
 834         case VIDIOC_ENUM_FMT: {
 835                 static struct v4l2_fmtdesc formats[] = {
 836                         { 0, 0, 0,
 837                           "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12,
 838                           { 0, 0, 0, 0 }
 839                         },
 840                         { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 841                           "MPEG", V4L2_PIX_FMT_MPEG,
 842                           { 0, 0, 0, 0 }
 843                         }
 844                 };
 845                 struct v4l2_fmtdesc *fmt = arg;
 846                 enum v4l2_buf_type type = fmt->type;
 847
 848                 switch (type) {
 849                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 850                         break;
 851                 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 852                         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 853                                 return -EINVAL;
 854                         break;
 855                 default:
 856                         return -EINVAL;
 857                 }
 858                 if (fmt->index > 1)
 859                         return -EINVAL;
 860                 *fmt = formats[fmt->index];
 861                 fmt->type = type;
 862                 return 0;
 863         }
 864
 865         case VIDIOC_G_INPUT:{
 866                 IVTV_DEBUG_IOCTL("VIDIOC_G_INPUT\n");
 867
 868                 *(int *)arg = itv->active_input;
 869                 break;
 870         }
 871
 872         case VIDIOC_S_INPUT:{
 873                 int inp = *(int *)arg;
 874
 875                 IVTV_DEBUG_IOCTL("VIDIOC_S_INPUT\n");
 876
 877                 if (inp < 0 || inp >= itv->nof_inputs)
 878                         return -EINVAL;
 879
 880                 if (inp == itv->active_input) {
 881                         IVTV_DEBUG_INFO("Input unchanged\n");
 882                         break;
 883                 }
 884                 IVTV_DEBUG_INFO("Changing input from %d to %d\n",
 885                                 itv->active_input, inp);
 886
 887                 itv->active_input = inp;
 888                 /* Set the audio input to whatever is appropriate for the
 889                    input type. */
 890                 itv->audio_input = itv->card->video_inputs[inp].audio_index;
 891
 892                 /* prevent others from messing with the streams until
 893                    we're finished changing inputs. */
 894                 ivtv_mute(itv);
 895                 ivtv_video_set_io(itv);
 896                 ivtv_audio_set_io(itv);
 897                 ivtv_unmute(itv);
 898                 break;
 899         }
 900
 901         case VIDIOC_G_OUTPUT:{
 902                 IVTV_DEBUG_IOCTL("VIDIOC_G_OUTPUT\n");
 903
 904                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 905                         return -EINVAL;
 906                 *(int *)arg = itv->active_output;
 907                 break;
 908         }
 909
 910         case VIDIOC_S_OUTPUT:{
 911                 int outp = *(int *)arg;
 912                 struct v4l2_routing route;
 913
 914                 IVTV_DEBUG_IOCTL("VIDIOC_S_OUTPUT\n");
 915
 916                 if (outp >= itv->card->nof_outputs)
 917                         return -EINVAL;
 918
 919                 if (outp == itv->active_output) {
 920                         IVTV_DEBUG_INFO("Output unchanged\n");
 921                         break;
 922                 }
 923                 IVTV_DEBUG_INFO("Changing output from %d to %d\n",
 924                            itv->active_output, outp);
 925
 926                 itv->active_output = outp;
 927                 route.input = SAA7127_INPUT_TYPE_NORMAL;
 928                 route.output = itv->card->video_outputs[outp].video_output;
 929                 ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
 930                 break;
 931         }
 932
 933         case VIDIOC_G_FREQUENCY:{
 934                 struct v4l2_frequency *vf = arg;
 935
 936                 IVTV_DEBUG_IOCTL("VIDIOC_G_FREQUENCY\n");
 937
 938                 if (vf->tuner != 0)
 939                         return -EINVAL;
 940                 ivtv_call_i2c_clients(itv, cmd, arg);
 941                 break;
 942         }
 943
 944         case VIDIOC_S_FREQUENCY:{
 945                 struct v4l2_frequency vf = *(struct v4l2_frequency *)arg;
 946
 947                 IVTV_DEBUG_IOCTL("VIDIOC_S_FREQUENCY\n");
 948
 949                 if (vf.tuner != 0)
 950                         return -EINVAL;
 951
 952                 ivtv_mute(itv);
 953                 IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency);
 954                 ivtv_call_i2c_clients(itv, cmd, &vf);
 955                 ivtv_unmute(itv);
 956                 break;
 957         }
 958
 959         case VIDIOC_ENUMSTD:{
 960                 struct v4l2_standard *vs = arg;
 961                 int idx = vs->index;
 962
 963                 IVTV_DEBUG_IOCTL("VIDIOC_ENUMSTD\n");
 964
 965                 if (idx < 0 || idx >= ARRAY_SIZE(enum_stds))
 966                         return -EINVAL;
 967
 968                 *vs = (enum_stds[idx].std & V4L2_STD_525_60) ?
 969                                 ivtv_std_60hz : ivtv_std_50hz;
 970                 vs->index = idx;
 971                 vs->id = enum_stds[idx].std;
 972                 strcpy(vs->name, enum_stds[idx].name);
 973                 break;
 974         }
 975
 976         case VIDIOC_G_STD:{
 977                 IVTV_DEBUG_IOCTL("VIDIOC_G_STD\n");
 978                 *(v4l2_std_id *) arg = itv->std;
 979                 break;
 980         }
 981
 982         case VIDIOC_S_STD: {
 983                 v4l2_std_id std = *(v4l2_std_id *) arg;
 984
 985                 IVTV_DEBUG_IOCTL("VIDIOC_S_STD\n");
 986
 987                 if ((std & V4L2_STD_ALL) == 0)
 988                         return -EINVAL;
 989
 990                 if (std == itv->std)
 991                         break;
 992
 993                 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
 994                     atomic_read(&itv->capturing) > 0 ||
 995                     atomic_read(&itv->decoding) > 0) {
 996                         /* Switching standard would turn off the radio or mess
 997                            with already running streams, prevent that by
 998                            returning EBUSY. */
 999                         return -EBUSY;
1000                 }
1001
1002                 itv->std = std;
1003                 itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
1004                 itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1005                 itv->params.width = 720;
1006                 itv->params.height = itv->is_50hz ? 576 : 480;
1007                 itv->vbi.count = itv->is_50hz ? 18 : 12;
1008                 itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1009                 itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1010                 if (itv->hw_flags & IVTV_HW_CX25840) {
1011                         itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1012                 }
1013                 IVTV_DEBUG_INFO("Switching standard to %llx.\n", itv->std);
1014
1015                 /* Tuner */
1016                 ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1017
1018                 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1019                         /* set display standard */
1020                         itv->std_out = std;
1021                         itv->is_out_60hz = itv->is_60hz;
1022                         itv->is_out_50hz = itv->is_50hz;
1023                         ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1024                         ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1025                         itv->main_rect.left = itv->main_rect.top = 0;
1026                         itv->main_rect.width = 720;
1027                         itv->main_rect.height = itv->params.height;
1028                         ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1029                                 720, itv->main_rect.height, 0, 0);
1030                 }
1031                 break;
1032         }
1033
1034         case VIDIOC_S_TUNER: {  /* Setting tuner can only set audio mode */
1035                 struct v4l2_tuner *vt = arg;
1036
1037                 IVTV_DEBUG_IOCTL("VIDIOC_S_TUNER\n");
1038
1039                 if (vt->index != 0)
1040                         return -EINVAL;
1041
1042                 ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1043                 break;
1044         }
1045
1046         case VIDIOC_G_TUNER: {
1047                 struct v4l2_tuner *vt = arg;
1048
1049                 IVTV_DEBUG_IOCTL("VIDIOC_G_TUNER\n");
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                 IVTV_DEBUG_IOCTL("VIDIOC_G_SLICED_VBI_CAP\n");
1074                 memset(cap, 0, sizeof(*cap));
1075                 cap->type = type;
1076                 if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1077                         for (f = 0; f < 2; f++) {
1078                                 for (l = 0; l < 24; l++) {
1079                                         if (valid_service_line(f, l, itv->is_50hz)) {
1080                                                 cap->service_lines[f][l] = set;
1081                                         }
1082                                 }
1083                         }
1084                         return 0;
1085                 }
1086                 if (type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1087                         if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1088                                 return -EINVAL;
1089                         if (itv->is_60hz) {
1090                                 cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1091                                 cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1092                         } else {
1093                                 cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1094                                 cap->service_lines[0][16] = V4L2_SLICED_VPS;
1095                         }
1096                         return 0;
1097                 }
1098                 return -EINVAL;
1099         }
1100
1101         case VIDIOC_LOG_STATUS:
1102         {
1103                 int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1104                 struct v4l2_input vidin;
1105                 struct v4l2_audio audin;
1106                 int i;
1107
1108                 IVTV_INFO("=================  START STATUS CARD #%d  =================\n", itv->num);
1109                 if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1110                         struct tveeprom tv;
1111
1112                         ivtv_read_eeprom(itv, &tv);
1113                 }
1114                 ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1115                 ivtv_get_input(itv, itv->active_input, &vidin);
1116                 ivtv_get_audio_input(itv, itv->audio_input, &audin);
1117                 IVTV_INFO("Video Input: %s\n", vidin.name);
1118                 IVTV_INFO("Audio Input: %s\n", audin.name);
1119                 if (has_output) {
1120                         struct v4l2_output vidout;
1121                         struct v4l2_audioout audout;
1122                         int mode = itv->output_mode;
1123                         static const char * const output_modes[] = {
1124                                 "None",
1125                                 "MPEG Streaming",
1126                                 "YUV Streaming",
1127                                 "YUV Frames",
1128                                 "Passthrough",
1129                         };
1130
1131                         ivtv_get_output(itv, itv->active_output, &vidout);
1132                         ivtv_get_audio_output(itv, 0, &audout);
1133                         IVTV_INFO("Video Output: %s\n", vidout.name);
1134                         IVTV_INFO("Audio Output: %s\n", audout.name);
1135                         if (mode < 0 || mode > OUT_PASSTHROUGH)
1136                                 mode = OUT_NONE;
1137                         IVTV_INFO("Output Mode: %s\n", output_modes[mode]);
1138                 }
1139                 IVTV_INFO("Tuner: %s\n",
1140                         test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1141                 cx2341x_log_status(&itv->params, itv->name);
1142                 IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags);
1143                 for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1144                         struct ivtv_stream *s = &itv->streams[i];
1145
1146                         if (s->v4l2dev == NULL || s->buffers == 0)
1147                                 continue;
1148                         IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1149                                         (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1150                                         (s->buffers * s->buf_size) / 1024, s->buffers);
1151                 }
1152                 IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", itv->mpg_data_received, itv->vbi_data_inserted);
1153                 IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
1154                 break;
1155         }
1156
1157         default:
1158                 return -EINVAL;
1159         }
1160         return 0;
1161 }
1162
1163 static int ivtv_ivtv_ioctls(struct file *filp, unsigned int cmd, void *arg)
1164 {
1165         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1166         struct ivtv *itv = id->itv;
1167         int nonblocking = filp->f_flags & O_NONBLOCK;
1168         struct ivtv_stream *s = &itv->streams[id->type];
1169
1170         switch (cmd) {
1171         case IVTV_IOC_DMA_FRAME: {
1172                 struct ivtv_dma_frame *args = arg;
1173
1174                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1175                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1176                         return -EINVAL;
1177                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1178                         return -EINVAL;
1179                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1180                         return 0;
1181                 if (ivtv_claim_stream(id, id->type)) {
1182                         return -EBUSY;
1183                 }
1184                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1185                         ivtv_release_stream(s);
1186                         return -EBUSY;
1187                 }
1188                 if (args->y_source == NULL)
1189                         return 0;
1190                 return ivtv_yuv_prep_frame(itv, args);
1191         }
1192
1193         case VIDEO_GET_PTS: {
1194                 u32 data[CX2341X_MBOX_MAX_DATA];
1195                 u64 *pts = arg;
1196
1197                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1198                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1199                         *pts = s->dma_pts;
1200                         break;
1201                 }
1202                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1203                         return -EINVAL;
1204
1205                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1206                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1207                                         (u64)itv->last_dec_timing[1];
1208                         break;
1209                 }
1210                 *pts = 0;
1211                 if (atomic_read(&itv->decoding)) {
1212                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1213                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1214                                 return -EIO;
1215                         }
1216                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1217                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1218                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1219                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1220                 }
1221                 break;
1222         }
1223
1224         case VIDEO_GET_FRAME_COUNT: {
1225                 u32 data[CX2341X_MBOX_MAX_DATA];
1226                 u64 *frame = arg;
1227
1228                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1229                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1230                         *frame = 0;
1231                         break;
1232                 }
1233                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1234                         return -EINVAL;
1235
1236                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1237                         *frame = itv->last_dec_timing[0];
1238                         break;
1239                 }
1240                 *frame = 0;
1241                 if (atomic_read(&itv->decoding)) {
1242                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1243                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1244                                 return -EIO;
1245                         }
1246                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1247                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1248                         *frame = data[0];
1249                 }
1250                 break;
1251         }
1252
1253         case VIDEO_PLAY: {
1254                 struct video_command vc;
1255
1256                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1257                 memset(&vc, 0, sizeof(vc));
1258                 vc.cmd = VIDEO_CMD_PLAY;
1259                 return ivtv_video_command(itv, id, &vc, 0);
1260         }
1261
1262         case VIDEO_STOP: {
1263                 struct video_command vc;
1264
1265                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1266                 memset(&vc, 0, sizeof(vc));
1267                 vc.cmd = VIDEO_CMD_STOP;
1268                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1269                 return ivtv_video_command(itv, id, &vc, 0);
1270         }
1271
1272         case VIDEO_FREEZE: {
1273                 struct video_command vc;
1274
1275                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1276                 memset(&vc, 0, sizeof(vc));
1277                 vc.cmd = VIDEO_CMD_FREEZE;
1278                 return ivtv_video_command(itv, id, &vc, 0);
1279         }
1280
1281         case VIDEO_CONTINUE: {
1282                 struct video_command vc;
1283
1284                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1285                 memset(&vc, 0, sizeof(vc));
1286                 vc.cmd = VIDEO_CMD_CONTINUE;
1287                 return ivtv_video_command(itv, id, &vc, 0);
1288         }
1289
1290         case VIDEO_COMMAND:
1291         case VIDEO_TRY_COMMAND: {
1292                 struct video_command *vc = arg;
1293                 int try = (cmd == VIDEO_TRY_COMMAND);
1294
1295                 if (try)
1296                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND\n");
1297                 else
1298                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND\n");
1299                 return ivtv_video_command(itv, id, vc, try);
1300         }
1301
1302         case VIDEO_GET_EVENT: {
1303                 struct video_event *ev = arg;
1304                 DEFINE_WAIT(wait);
1305
1306                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1307                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1308                         return -EINVAL;
1309                 memset(ev, 0, sizeof(*ev));
1310                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1311
1312                 while (1) {
1313                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1314                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1315                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1316                                 ev->type = VIDEO_EVENT_VSYNC;
1317                                 ev->timestamp = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1318                                         1 : 0;
1319                                 clear_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1320                         }
1321                         if (ev->type)
1322                                 return 0;
1323                         if (nonblocking)
1324                                 return -EAGAIN;
1325                         /* wait for event */
1326                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1327                         if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1328                                 schedule();
1329                         finish_wait(&itv->event_waitq, &wait);
1330                         if (signal_pending(current)) {
1331                                 /* return if a signal was received */
1332                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1333                                 return -EINTR;
1334                         }
1335                 }
1336                 break;
1337         }
1338
1339         case VIDIOC_G_ENC_INDEX: {
1340                 struct v4l2_enc_idx *idx = arg;
1341                 int i;
1342
1343                 IVTV_DEBUG_IOCTL("VIDIOC_G_ENC_INDEX\n");
1344                 idx->entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1345                                         IVTV_MAX_PGM_INDEX;
1346                 if (idx->entries > V4L2_ENC_IDX_ENTRIES)
1347                         idx->entries = V4L2_ENC_IDX_ENTRIES;
1348                 for (i = 0; i < idx->entries; i++) {
1349                         idx->entry[i] = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1350                 }
1351                 itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1352                 break;
1353         }
1354
1355         case VIDIOC_ENCODER_CMD:
1356         case VIDIOC_TRY_ENCODER_CMD: {
1357                 struct v4l2_encoder_cmd *enc = arg;
1358                 int try = cmd == VIDIOC_TRY_ENCODER_CMD;
1359
1360                 if (try)
1361                         IVTV_DEBUG_IOCTL("VIDIOC_TRY_ENCODER_CMD\n");
1362                 else
1363                         IVTV_DEBUG_IOCTL("VIDIOC_ENCODER_CMD\n");
1364                 switch (enc->cmd) {
1365                 case V4L2_ENC_CMD_START:
1366                         return ivtv_start_capture(id);
1367
1368                 case V4L2_ENC_CMD_STOP:
1369                         ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1370                         return 0;
1371
1372                 case V4L2_ENC_CMD_PAUSE:
1373                         if (!atomic_read(&itv->capturing))
1374                                 return -EPERM;
1375                         if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1376                                 return 0;
1377                         ivtv_mute(itv);
1378                         ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1379                         break;
1380
1381                 case V4L2_ENC_CMD_RESUME:
1382                         if (!atomic_read(&itv->capturing))
1383                                 return -EPERM;
1384                         if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1385                                 return 0;
1386                         ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1387                         ivtv_unmute(itv);
1388                         break;
1389                 }
1390                 break;
1391         }
1392
1393         case VIDIOC_G_FBUF: {
1394                 struct v4l2_framebuffer *fb = arg;
1395
1396                 IVTV_DEBUG_IOCTL("VIDIOC_G_FBUF\n");
1397                 memset(fb, 0, sizeof(*fb));
1398                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1399                         break;
1400                 fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1401                         V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_GLOBAL_ALPHA;
1402                 fb->fmt.pixelformat = itv->osd_pixelformat;
1403                 fb->fmt.width = itv->osd_rect.width;
1404                 fb->fmt.height = itv->osd_rect.height;
1405                 fb->fmt.left = itv->osd_rect.left;
1406                 fb->fmt.top = itv->osd_rect.top;
1407                 fb->base = (void *)itv->osd_video_pbase;
1408                 if (itv->osd_global_alpha_state)
1409                         fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1410                 if (itv->osd_local_alpha_state)
1411                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1412                 if (itv->osd_color_key_state)
1413                         fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1414                 break;
1415         }
1416
1417         case VIDIOC_S_FBUF: {
1418                 struct v4l2_framebuffer *fb = arg;
1419
1420                 IVTV_DEBUG_IOCTL("VIDIOC_S_FBUF\n");
1421                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1422                         break;
1423                 itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1424                 itv->osd_local_alpha_state = (fb->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) != 0;
1425                 itv->osd_color_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1426                 break;
1427         }
1428
1429         default:
1430                 return -EINVAL;
1431         }
1432         return 0;
1433 }
1434
1435 static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
1436                               unsigned int cmd, void *arg)
1437 {
1438         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1439         struct ivtv *itv = id->itv;
1440
1441         IVTV_DEBUG_IOCTL("v4l2 ioctl 0x%08x\n", cmd);
1442
1443         switch (cmd) {
1444         case VIDIOC_DBG_G_REGISTER:
1445         case VIDIOC_DBG_S_REGISTER:
1446         case VIDIOC_G_CHIP_IDENT:
1447         case VIDIOC_INT_S_AUDIO_ROUTING:
1448         case VIDIOC_INT_RESET:
1449                 return ivtv_internal_ioctls(filp, cmd, arg);
1450
1451         case VIDIOC_QUERYCAP:
1452         case VIDIOC_ENUMINPUT:
1453         case VIDIOC_G_INPUT:
1454         case VIDIOC_S_INPUT:
1455         case VIDIOC_ENUMOUTPUT:
1456         case VIDIOC_G_OUTPUT:
1457         case VIDIOC_S_OUTPUT:
1458         case VIDIOC_G_FMT:
1459         case VIDIOC_S_FMT:
1460         case VIDIOC_TRY_FMT:
1461         case VIDIOC_ENUM_FMT:
1462         case VIDIOC_G_CROP:
1463         case VIDIOC_S_CROP:
1464         case VIDIOC_G_FREQUENCY:
1465         case VIDIOC_S_FREQUENCY:
1466         case VIDIOC_ENUMSTD:
1467         case VIDIOC_G_STD:
1468         case VIDIOC_S_STD:
1469         case VIDIOC_S_TUNER:
1470         case VIDIOC_G_TUNER:
1471         case VIDIOC_ENUMAUDIO:
1472         case VIDIOC_S_AUDIO:
1473         case VIDIOC_G_AUDIO:
1474         case VIDIOC_ENUMAUDOUT:
1475         case VIDIOC_S_AUDOUT:
1476         case VIDIOC_G_AUDOUT:
1477         case VIDIOC_G_SLICED_VBI_CAP:
1478         case VIDIOC_LOG_STATUS:
1479                 return ivtv_v4l2_ioctls(itv, filp, cmd, arg);
1480
1481         case VIDIOC_QUERYMENU:
1482         case VIDIOC_QUERYCTRL:
1483         case VIDIOC_S_CTRL:
1484         case VIDIOC_G_CTRL:
1485         case VIDIOC_S_EXT_CTRLS:
1486         case VIDIOC_G_EXT_CTRLS:
1487         case VIDIOC_TRY_EXT_CTRLS:
1488                 return ivtv_control_ioctls(itv, cmd, arg);
1489
1490         case IVTV_IOC_DMA_FRAME:
1491         case VIDEO_GET_PTS:
1492         case VIDEO_GET_FRAME_COUNT:
1493         case VIDEO_GET_EVENT:
1494         case VIDEO_PLAY:
1495         case VIDEO_STOP:
1496         case VIDEO_FREEZE:
1497         case VIDEO_CONTINUE:
1498         case VIDEO_COMMAND:
1499         case VIDEO_TRY_COMMAND:
1500         case VIDIOC_G_ENC_INDEX:
1501         case VIDIOC_ENCODER_CMD:
1502         case VIDIOC_TRY_ENCODER_CMD:
1503         case VIDIOC_G_FBUF:
1504         case VIDIOC_S_FBUF:
1505                 return ivtv_ivtv_ioctls(filp, cmd, arg);
1506
1507         case 0x00005401:        /* Handle isatty() calls */
1508                 return -EINVAL;
1509         default:
1510                 return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
1511                                                    ivtv_v4l2_do_ioctl);
1512         }
1513         return 0;
1514 }
1515
1516 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1517                     unsigned long arg)
1518 {
1519         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1520         struct ivtv *itv = id->itv;
1521
1522         /* Filter dvb ioctls that cannot be handled by video_usercopy */
1523         switch (cmd) {
1524         case VIDEO_SELECT_SOURCE:
1525                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1526                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1527                         return -EINVAL;
1528                 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1529
1530         case AUDIO_SET_MUTE:
1531                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1532                 itv->speed_mute_audio = arg;
1533                 return 0;
1534
1535         case AUDIO_CHANNEL_SELECT:
1536                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1537                 if (arg > AUDIO_STEREO_SWAPPED)
1538                         return -EINVAL;
1539                 itv->audio_stereo_mode = arg;
1540                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1541                 return 0;
1542
1543         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1544                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1545                 if (arg > AUDIO_STEREO_SWAPPED)
1546                         return -EINVAL;
1547                 itv->audio_bilingual_mode = arg;
1548                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1549                 return 0;
1550
1551         default:
1552                 break;
1553         }
1554         return video_usercopy(inode, filp, cmd, arg, ivtv_v4l2_do_ioctl);
1555 }