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-routing.h"
  29 #include "ivtv-streams.h"
  30 #include "ivtv-yuv.h"
  31 #include "ivtv-ioctl.h"
  32 #include "ivtv-gpio.h"
  33 #include "ivtv-controls.h"
  34 #include "ivtv-cards.h"
  35 #include <media/saa7127.h>
  36 #include <media/tveeprom.h>
  37 #include <media/v4l2-chip-ident.h>
  38 #include <media/v4l2-event.h>
  39 #include <linux/dvb/audio.h>
  40
  41 u16 ivtv_service2vbi(int type)
  42 {
  43         switch (type) {
  44                 case V4L2_SLICED_TELETEXT_B:
  45                         return IVTV_SLICED_TYPE_TELETEXT_B;
  46                 case V4L2_SLICED_CAPTION_525:
  47                         return IVTV_SLICED_TYPE_CAPTION_525;
  48                 case V4L2_SLICED_WSS_625:
  49                         return IVTV_SLICED_TYPE_WSS_625;
  50                 case V4L2_SLICED_VPS:
  51                         return IVTV_SLICED_TYPE_VPS;
  52                 default:
  53                         return 0;
  54         }
  55 }
  56
  57 static int valid_service_line(int field, int line, int is_pal)
  58 {
  59         return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
  60                (!is_pal && line >= 10 && line < 22);
  61 }
  62
  63 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
  64 {
  65         u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
  66         int i;
  67
  68         set = set & valid_set;
  69         if (set == 0 || !valid_service_line(field, line, is_pal)) {
  70                 return 0;
  71         }
  72         if (!is_pal) {
  73                 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
  74                         return V4L2_SLICED_CAPTION_525;
  75         }
  76         else {
  77                 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
  78                         return V4L2_SLICED_VPS;
  79                 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
  80                         return V4L2_SLICED_WSS_625;
  81                 if (line == 23)
  82                         return 0;
  83         }
  84         for (i = 0; i < 32; i++) {
  85                 if ((1 << i) & set)
  86                         return 1 << i;
  87         }
  88         return 0;
  89 }
  90
  91 void ivtv_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
  92 {
  93         u16 set = fmt->service_set;
  94         int f, l;
  95
  96         fmt->service_set = 0;
  97         for (f = 0; f < 2; f++) {
  98                 for (l = 0; l < 24; l++) {
  99                         fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
 100                 }
 101         }
 102 }
 103
 104 static void check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
 105 {
 106         int f, l;
 107
 108         for (f = 0; f < 2; f++) {
 109                 for (l = 0; l < 24; l++) {
 110                         fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
 111                 }
 112         }
 113 }
 114
 115 u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt)
 116 {
 117         int f, l;
 118         u16 set = 0;
 119
 120         for (f = 0; f < 2; f++) {
 121                 for (l = 0; l < 24; l++) {
 122                         set |= fmt->service_lines[f][l];
 123                 }
 124         }
 125         return set;
 126 }
 127
 128 void ivtv_set_osd_alpha(struct ivtv *itv)
 129 {
 130         ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3,
 131                 itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state);
 132         ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2, itv->osd_chroma_key_state, itv->osd_chroma_key);
 133 }
 134
 135 int ivtv_set_speed(struct ivtv *itv, int speed)
 136 {
 137         u32 data[CX2341X_MBOX_MAX_DATA];
 138         struct ivtv_stream *s;
 139         int single_step = (speed == 1 || speed == -1);
 140         DEFINE_WAIT(wait);
 141
 142         if (speed == 0) speed = 1000;
 143
 144         /* No change? */
 145         if (speed == itv->speed && !single_step)
 146                 return 0;
 147
 148         s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
 149
 150         if (single_step && (speed < 0) == (itv->speed < 0)) {
 151                 /* Single step video and no need to change direction */
 152                 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
 153                 itv->speed = speed;
 154                 return 0;
 155         }
 156         if (single_step)
 157                 /* Need to change direction */
 158                 speed = speed < 0 ? -1000 : 1000;
 159
 160         data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0;
 161         data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0;
 162         data[1] = (speed < 0);
 163         data[2] = speed < 0 ? 3 : 7;
 164         data[3] = v4l2_ctrl_g_ctrl(itv->cxhdl.video_b_frames);
 165         data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0;
 166         data[5] = 0;
 167         data[6] = 0;
 168
 169         if (speed == 1500 || speed == -1500) data[0] |= 1;
 170         else if (speed == 2000 || speed == -2000) data[0] |= 2;
 171         else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed);
 172         else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed);
 173
 174         /* If not decoding, just change speed setting */
 175         if (atomic_read(&itv->decoding) > 0) {
 176                 int got_sig = 0;
 177
 178                 /* Stop all DMA and decoding activity */
 179                 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, 0);
 180
 181                 /* Wait for any DMA to finish */
 182                 prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
 183                 while (test_bit(IVTV_F_I_DMA, &itv->i_flags)) {
 184                         got_sig = signal_pending(current);
 185                         if (got_sig)
 186                                 break;
 187                         got_sig = 0;
 188                         schedule();
 189                 }
 190                 finish_wait(&itv->dma_waitq, &wait);
 191                 if (got_sig)
 192                         return -EINTR;
 193
 194                 /* Change Speed safely */
 195                 ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7, data);
 196                 IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
 197                                 data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
 198         }
 199         if (single_step) {
 200                 speed = (speed < 0) ? -1 : 1;
 201                 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
 202         }
 203         itv->speed = speed;
 204         return 0;
 205 }
 206
 207 static int ivtv_validate_speed(int cur_speed, int new_speed)
 208 {
 209         int fact = new_speed < 0 ? -1 : 1;
 210         int s;
 211
 212         if (cur_speed == 0)
 213                 cur_speed = 1000;
 214         if (new_speed < 0)
 215                 new_speed = -new_speed;
 216         if (cur_speed < 0)
 217                 cur_speed = -cur_speed;
 218
 219         if (cur_speed <= new_speed) {
 220                 if (new_speed > 1500)
 221                         return fact * 2000;
 222                 if (new_speed > 1000)
 223                         return fact * 1500;
 224         }
 225         else {
 226                 if (new_speed >= 2000)
 227                         return fact * 2000;
 228                 if (new_speed >= 1500)
 229                         return fact * 1500;
 230                 if (new_speed >= 1000)
 231                         return fact * 1000;
 232         }
 233         if (new_speed == 0)
 234                 return 1000;
 235         if (new_speed == 1 || new_speed == 1000)
 236                 return fact * new_speed;
 237
 238         s = new_speed;
 239         new_speed = 1000 / new_speed;
 240         if (1000 / cur_speed == new_speed)
 241                 new_speed += (cur_speed < s) ? -1 : 1;
 242         if (new_speed > 60) return 1000 / (fact * 60);
 243         return 1000 / (fact * new_speed);
 244 }
 245
 246 static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
 247                 struct video_command *vc, int try)
 248 {
 249         struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
 250
 251         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 252                 return -EINVAL;
 253
 254         switch (vc->cmd) {
 255         case VIDEO_CMD_PLAY: {
 256                 vc->flags = 0;
 257                 vc->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed);
 258                 if (vc->play.speed < 0)
 259                         vc->play.format = VIDEO_PLAY_FMT_GOP;
 260                 if (try) break;
 261
 262                 if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
 263                         return -EBUSY;
 264                 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
 265                         /* forces ivtv_set_speed to be called */
 266                         itv->speed = 0;
 267                 }
 268                 return ivtv_start_decoding(id, vc->play.speed);
 269         }
 270
 271         case VIDEO_CMD_STOP:
 272                 vc->flags &= VIDEO_CMD_STOP_IMMEDIATELY|VIDEO_CMD_STOP_TO_BLACK;
 273                 if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY)
 274                         vc->stop.pts = 0;
 275                 if (try) break;
 276                 if (atomic_read(&itv->decoding) == 0)
 277                         return 0;
 278                 if (itv->output_mode != OUT_MPG)
 279                         return -EBUSY;
 280
 281                 itv->output_mode = OUT_NONE;
 282                 return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts);
 283
 284         case VIDEO_CMD_FREEZE:
 285                 vc->flags &= VIDEO_CMD_FREEZE_TO_BLACK;
 286                 if (try) break;
 287                 if (itv->output_mode != OUT_MPG)
 288                         return -EBUSY;
 289                 if (atomic_read(&itv->decoding) > 0) {
 290                         ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
 291                                 (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
 292                         set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
 293                 }
 294                 break;
 295
 296         case VIDEO_CMD_CONTINUE:
 297                 vc->flags = 0;
 298                 if (try) break;
 299                 if (itv->output_mode != OUT_MPG)
 300                         return -EBUSY;
 301                 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
 302                         int speed = itv->speed;
 303                         itv->speed = 0;
 304                         return ivtv_start_decoding(id, speed);
 305                 }
 306                 break;
 307
 308         default:
 309                 return -EINVAL;
 310         }
 311         return 0;
 312 }
 313
 314 static int ivtv_g_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 315 {
 316         struct ivtv *itv = fh2id(fh)->itv;
 317         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 318
 319         vbifmt->reserved[0] = 0;
 320         vbifmt->reserved[1] = 0;
 321         if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
 322                 return -EINVAL;
 323         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 324         if (itv->is_60hz) {
 325                 vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
 326                 vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
 327         } else {
 328                 vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
 329                 vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
 330         }
 331         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 332         return 0;
 333 }
 334
 335 static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 336 {
 337         struct ivtv_open_id *id = fh2id(fh);
 338         struct ivtv *itv = id->itv;
 339         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 340
 341         pixfmt->width = itv->cxhdl.width;
 342         pixfmt->height = itv->cxhdl.height;
 343         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 344         pixfmt->field = V4L2_FIELD_INTERLACED;
 345         pixfmt->priv = 0;
 346         if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
 347                 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
 348                 /* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
 349                 pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
 350                 pixfmt->bytesperline = 720;
 351         } else {
 352                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 353                 pixfmt->sizeimage = 128 * 1024;
 354                 pixfmt->bytesperline = 0;
 355         }
 356         return 0;
 357 }
 358
 359 static int ivtv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 360 {
 361         struct ivtv *itv = fh2id(fh)->itv;
 362         struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
 363
 364         vbifmt->sampling_rate = 27000000;
 365         vbifmt->offset = 248;
 366         vbifmt->samples_per_line = itv->vbi.raw_decoder_line_size - 4;
 367         vbifmt->sample_format = V4L2_PIX_FMT_GREY;
 368         vbifmt->start[0] = itv->vbi.start[0];
 369         vbifmt->start[1] = itv->vbi.start[1];
 370         vbifmt->count[0] = vbifmt->count[1] = itv->vbi.count;
 371         vbifmt->flags = 0;
 372         vbifmt->reserved[0] = 0;
 373         vbifmt->reserved[1] = 0;
 374         return 0;
 375 }
 376
 377 static int ivtv_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 378 {
 379         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 380         struct ivtv_open_id *id = fh2id(fh);
 381         struct ivtv *itv = id->itv;
 382
 383         vbifmt->reserved[0] = 0;
 384         vbifmt->reserved[1] = 0;
 385         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 386
 387         if (id->type == IVTV_DEC_STREAM_TYPE_VBI) {
 388                 vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
 389                         V4L2_SLICED_VBI_525;
 390                 ivtv_expand_service_set(vbifmt, itv->is_50hz);
 391                 return 0;
 392         }
 393
 394         v4l2_subdev_call(itv->sd_video, vbi, g_sliced_fmt, vbifmt);
 395         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 396         return 0;
 397 }
 398
 399 static int ivtv_g_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 400 {
 401         struct ivtv_open_id *id = fh2id(fh);
 402         struct ivtv *itv = id->itv;
 403         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 404
 405         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 406                 return -EINVAL;
 407         pixfmt->width = itv->main_rect.width;
 408         pixfmt->height = itv->main_rect.height;
 409         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 410         pixfmt->field = V4L2_FIELD_INTERLACED;
 411         pixfmt->priv = 0;
 412         if (id->type == IVTV_DEC_STREAM_TYPE_YUV) {
 413                 switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
 414                 case IVTV_YUV_MODE_INTERLACED:
 415                         pixfmt->field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
 416                                 V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
 417                         break;
 418                 case IVTV_YUV_MODE_PROGRESSIVE:
 419                         pixfmt->field = V4L2_FIELD_NONE;
 420                         break;
 421                 default:
 422                         pixfmt->field = V4L2_FIELD_ANY;
 423                         break;
 424                 }
 425                 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
 426                 pixfmt->bytesperline = 720;
 427                 pixfmt->width = itv->yuv_info.v4l2_src_w;
 428                 pixfmt->height = itv->yuv_info.v4l2_src_h;
 429                 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 430                 pixfmt->sizeimage =
 431                         1080 * ((pixfmt->height + 31) & ~31);
 432         } else {
 433                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 434                 pixfmt->sizeimage = 128 * 1024;
 435                 pixfmt->bytesperline = 0;
 436         }
 437         return 0;
 438 }
 439
 440 static int ivtv_g_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 441 {
 442         struct ivtv *itv = fh2id(fh)->itv;
 443         struct v4l2_window *winfmt = &fmt->fmt.win;
 444
 445         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 446                 return -EINVAL;
 447         winfmt->chromakey = itv->osd_chroma_key;
 448         winfmt->global_alpha = itv->osd_global_alpha;
 449         winfmt->field = V4L2_FIELD_INTERLACED;
 450         winfmt->clips = NULL;
 451         winfmt->clipcount = 0;
 452         winfmt->bitmap = NULL;
 453         winfmt->w.top = winfmt->w.left = 0;
 454         winfmt->w.width = itv->osd_rect.width;
 455         winfmt->w.height = itv->osd_rect.height;
 456         return 0;
 457 }
 458
 459 static int ivtv_try_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 460 {
 461         return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
 462 }
 463
 464 static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 465 {
 466         struct ivtv_open_id *id = fh2id(fh);
 467         struct ivtv *itv = id->itv;
 468         int w = fmt->fmt.pix.width;
 469         int h = fmt->fmt.pix.height;
 470         int min_h = 2;
 471
 472         w = min(w, 720);
 473         w = max(w, 2);
 474         if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
 475                 /* YUV height must be a multiple of 32 */
 476                 h &= ~0x1f;
 477                 min_h = 32;
 478         }
 479         h = min(h, itv->is_50hz ? 576 : 480);
 480         h = max(h, min_h);
 481         ivtv_g_fmt_vid_cap(file, fh, fmt);
 482         fmt->fmt.pix.width = w;
 483         fmt->fmt.pix.height = h;
 484         return 0;
 485 }
 486
 487 static int ivtv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 488 {
 489         return ivtv_g_fmt_vbi_cap(file, fh, fmt);
 490 }
 491
 492 static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 493 {
 494         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 495         struct ivtv_open_id *id = fh2id(fh);
 496         struct ivtv *itv = id->itv;
 497
 498         if (id->type == IVTV_DEC_STREAM_TYPE_VBI)
 499                 return ivtv_g_fmt_sliced_vbi_cap(file, fh, fmt);
 500
 501         /* set sliced VBI capture format */
 502         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 503         vbifmt->reserved[0] = 0;
 504         vbifmt->reserved[1] = 0;
 505
 506         if (vbifmt->service_set)
 507                 ivtv_expand_service_set(vbifmt, itv->is_50hz);
 508         check_service_set(vbifmt, itv->is_50hz);
 509         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 510         return 0;
 511 }
 512
 513 static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 514 {
 515         struct ivtv_open_id *id = fh2id(fh);
 516         s32 w = fmt->fmt.pix.width;
 517         s32 h = fmt->fmt.pix.height;
 518         int field = fmt->fmt.pix.field;
 519         int ret = ivtv_g_fmt_vid_out(file, fh, fmt);
 520
 521         w = min(w, 720);
 522         w = max(w, 2);
 523         /* Why can the height be 576 even when the output is NTSC?
 524
 525            Internally the buffers of the PVR350 are always set to 720x576. The
 526            decoded video frame will always be placed in the top left corner of
 527            this buffer. For any video which is not 720x576, the buffer will
 528            then be cropped to remove the unused right and lower areas, with
 529            the remaining image being scaled by the hardware to fit the display
 530            area. The video can be scaled both up and down, so a 720x480 video
 531            can be displayed full-screen on PAL and a 720x576 video can be
 532            displayed without cropping on NTSC.
 533
 534            Note that the scaling only occurs on the video stream, the osd
 535            resolution is locked to the broadcast standard and not scaled.
 536
 537            Thanks to Ian Armstrong for this explanation. */
 538         h = min(h, 576);
 539         h = max(h, 2);
 540         if (id->type == IVTV_DEC_STREAM_TYPE_YUV)
 541                 fmt->fmt.pix.field = field;
 542         fmt->fmt.pix.width = w;
 543         fmt->fmt.pix.height = h;
 544         return ret;
 545 }
 546
 547 static int ivtv_try_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 548 {
 549         struct ivtv *itv = fh2id(fh)->itv;
 550         u32 chromakey = fmt->fmt.win.chromakey;
 551         u8 global_alpha = fmt->fmt.win.global_alpha;
 552
 553         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 554                 return -EINVAL;
 555         ivtv_g_fmt_vid_out_overlay(file, fh, fmt);
 556         fmt->fmt.win.chromakey = chromakey;
 557         fmt->fmt.win.global_alpha = global_alpha;
 558         return 0;
 559 }
 560
 561 static int ivtv_s_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 562 {
 563         return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
 564 }
 565
 566 static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 567 {
 568         struct ivtv_open_id *id = fh2id(fh);
 569         struct ivtv *itv = id->itv;
 570         struct v4l2_mbus_framefmt mbus_fmt;
 571         int ret = ivtv_try_fmt_vid_cap(file, fh, fmt);
 572         int w = fmt->fmt.pix.width;
 573         int h = fmt->fmt.pix.height;
 574
 575         if (ret)
 576                 return ret;
 577
 578         if (itv->cxhdl.width == w && itv->cxhdl.height == h)
 579                 return 0;
 580
 581         if (atomic_read(&itv->capturing) > 0)
 582                 return -EBUSY;
 583
 584         itv->cxhdl.width = w;
 585         itv->cxhdl.height = h;
 586         if (v4l2_ctrl_g_ctrl(itv->cxhdl.video_encoding) == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
 587                 fmt->fmt.pix.width /= 2;
 588         mbus_fmt.width = fmt->fmt.pix.width;
 589         mbus_fmt.height = h;
 590         mbus_fmt.code = V4L2_MBUS_FMT_FIXED;
 591         v4l2_subdev_call(itv->sd_video, video, s_mbus_fmt, &mbus_fmt);
 592         return ivtv_g_fmt_vid_cap(file, fh, fmt);
 593 }
 594
 595 static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 596 {
 597         struct ivtv *itv = fh2id(fh)->itv;
 598
 599         if (!ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0)
 600                 return -EBUSY;
 601         itv->vbi.sliced_in->service_set = 0;
 602         itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
 603         v4l2_subdev_call(itv->sd_video, vbi, s_raw_fmt, &fmt->fmt.vbi);
 604         return ivtv_g_fmt_vbi_cap(file, fh, fmt);
 605 }
 606
 607 static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 608 {
 609         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 610         struct ivtv_open_id *id = fh2id(fh);
 611         struct ivtv *itv = id->itv;
 612         int ret = ivtv_try_fmt_sliced_vbi_cap(file, fh, fmt);
 613
 614         if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI)
 615                 return ret;
 616
 617         check_service_set(vbifmt, itv->is_50hz);
 618         if (ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0)
 619                 return -EBUSY;
 620         itv->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
 621         v4l2_subdev_call(itv->sd_video, vbi, s_sliced_fmt, vbifmt);
 622         memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
 623         return 0;
 624 }
 625
 626 static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 627 {
 628         struct ivtv_open_id *id = fh2id(fh);
 629         struct ivtv *itv = id->itv;
 630         struct yuv_playback_info *yi = &itv->yuv_info;
 631         int ret = ivtv_try_fmt_vid_out(file, fh, fmt);
 632
 633         if (ret)
 634                 return ret;
 635
 636         if (id->type != IVTV_DEC_STREAM_TYPE_YUV)
 637                 return 0;
 638
 639         /* Return now if we already have some frame data */
 640         if (yi->stream_size)
 641                 return -EBUSY;
 642
 643         yi->v4l2_src_w = fmt->fmt.pix.width;
 644         yi->v4l2_src_h = fmt->fmt.pix.height;
 645
 646         switch (fmt->fmt.pix.field) {
 647         case V4L2_FIELD_NONE:
 648                 yi->lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
 649                 break;
 650         case V4L2_FIELD_ANY:
 651                 yi->lace_mode = IVTV_YUV_MODE_AUTO;
 652                 break;
 653         case V4L2_FIELD_INTERLACED_BT:
 654                 yi->lace_mode =
 655                         IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
 656                 break;
 657         case V4L2_FIELD_INTERLACED_TB:
 658         default:
 659                 yi->lace_mode = IVTV_YUV_MODE_INTERLACED;
 660                 break;
 661         }
 662         yi->lace_sync_field = (yi->lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
 663
 664         if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
 665                 itv->dma_data_req_size =
 666                         1080 * ((yi->v4l2_src_h + 31) & ~31);
 667
 668         return 0;
 669 }
 670
 671 static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 672 {
 673         struct ivtv *itv = fh2id(fh)->itv;
 674         int ret = ivtv_try_fmt_vid_out_overlay(file, fh, fmt);
 675
 676         if (ret == 0) {
 677                 itv->osd_chroma_key = fmt->fmt.win.chromakey;
 678                 itv->osd_global_alpha = fmt->fmt.win.global_alpha;
 679                 ivtv_set_osd_alpha(itv);
 680         }
 681         return ret;
 682 }
 683
 684 static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_dbg_chip_ident *chip)
 685 {
 686         struct ivtv *itv = fh2id(fh)->itv;
 687
 688         chip->ident = V4L2_IDENT_NONE;
 689         chip->revision = 0;
 690         if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
 691                 if (v4l2_chip_match_host(&chip->match))
 692                         chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
 693                 return 0;
 694         }
 695         if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
 696             chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
 697                 return -EINVAL;
 698         /* TODO: is this correct? */
 699         return ivtv_call_all_err(itv, core, g_chip_ident, chip);
 700 }
 701
 702 #ifdef CONFIG_VIDEO_ADV_DEBUG
 703 static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
 704 {
 705         struct v4l2_dbg_register *regs = arg;
 706         volatile u8 __iomem *reg_start;
 707
 708         if (!capable(CAP_SYS_ADMIN))
 709                 return -EPERM;
 710         if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
 711                 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
 712         else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
 713                         regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
 714                 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
 715         else if (regs->reg < IVTV_ENCODER_SIZE)
 716                 reg_start = itv->enc_mem;
 717         else
 718                 return -EINVAL;
 719
 720         regs->size = 4;
 721         if (cmd == VIDIOC_DBG_G_REGISTER)
 722                 regs->val = readl(regs->reg + reg_start);
 723         else
 724                 writel(regs->val, regs->reg + reg_start);
 725         return 0;
 726 }
 727
 728 static int ivtv_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
 729 {
 730         struct ivtv *itv = fh2id(fh)->itv;
 731
 732         if (v4l2_chip_match_host(&reg->match))
 733                 return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg);
 734         /* TODO: subdev errors should not be ignored, this should become a
 735            subdev helper function. */
 736         ivtv_call_all(itv, core, g_register, reg);
 737         return 0;
 738 }
 739
 740 static int ivtv_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
 741 {
 742         struct ivtv *itv = fh2id(fh)->itv;
 743
 744         if (v4l2_chip_match_host(&reg->match))
 745                 return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg);
 746         /* TODO: subdev errors should not be ignored, this should become a
 747            subdev helper function. */
 748         ivtv_call_all(itv, core, s_register, reg);
 749         return 0;
 750 }
 751 #endif
 752
 753 static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap)
 754 {
 755         struct ivtv *itv = fh2id(fh)->itv;
 756
 757         strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
 758         strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
 759         snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->pdev));
 760         vcap->capabilities = itv->v4l2_cap;         /* capabilities */
 761         return 0;
 762 }
 763
 764 static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 765 {
 766         struct ivtv *itv = fh2id(fh)->itv;
 767
 768         return ivtv_get_audio_input(itv, vin->index, vin);
 769 }
 770
 771 static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 772 {
 773         struct ivtv *itv = fh2id(fh)->itv;
 774
 775         vin->index = itv->audio_input;
 776         return ivtv_get_audio_input(itv, vin->index, vin);
 777 }
 778
 779 static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 780 {
 781         struct ivtv *itv = fh2id(fh)->itv;
 782
 783         if (vout->index >= itv->nof_audio_inputs)
 784                 return -EINVAL;
 785
 786         itv->audio_input = vout->index;
 787         ivtv_audio_set_io(itv);
 788
 789         return 0;
 790 }
 791
 792 static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin)
 793 {
 794         struct ivtv *itv = fh2id(fh)->itv;
 795
 796         /* set it to defaults from our table */
 797         return ivtv_get_audio_output(itv, vin->index, vin);
 798 }
 799
 800 static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin)
 801 {
 802         struct ivtv *itv = fh2id(fh)->itv;
 803
 804         vin->index = 0;
 805         return ivtv_get_audio_output(itv, vin->index, vin);
 806 }
 807
 808 static int ivtv_s_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
 809 {
 810         struct ivtv *itv = fh2id(fh)->itv;
 811
 812         return ivtv_get_audio_output(itv, vout->index, vout);
 813 }
 814
 815 static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 816 {
 817         struct ivtv *itv = fh2id(fh)->itv;
 818
 819         /* set it to defaults from our table */
 820         return ivtv_get_input(itv, vin->index, vin);
 821 }
 822
 823 static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout)
 824 {
 825         struct ivtv *itv = fh2id(fh)->itv;
 826
 827         return ivtv_get_output(itv, vout->index, vout);
 828 }
 829
 830 static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
 831 {
 832         struct ivtv_open_id *id = fh2id(fh);
 833         struct ivtv *itv = id->itv;
 834         struct yuv_playback_info *yi = &itv->yuv_info;
 835         int streamtype;
 836
 837         streamtype = id->type;
 838
 839         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 840                 return -EINVAL;
 841         cropcap->bounds.top = cropcap->bounds.left = 0;
 842         cropcap->bounds.width = 720;
 843         if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 844                 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
 845                 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
 846                 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
 847         } else if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 848                 if (yi->track_osd) {
 849                         cropcap->bounds.width = yi->osd_full_w;
 850                         cropcap->bounds.height = yi->osd_full_h;
 851                 } else {
 852                         cropcap->bounds.width = 720;
 853                         cropcap->bounds.height =
 854                                         itv->is_out_50hz ? 576 : 480;
 855                 }
 856                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 857                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 858         } else {
 859                 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
 860                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 861                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 862         }
 863         cropcap->defrect = cropcap->bounds;
 864         return 0;
 865 }
 866
 867 static int ivtv_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 868 {
 869         struct ivtv_open_id *id = fh2id(fh);
 870         struct ivtv *itv = id->itv;
 871         struct yuv_playback_info *yi = &itv->yuv_info;
 872         int streamtype;
 873
 874         streamtype = id->type;
 875
 876         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 877             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 878                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 879                         yi->main_rect = crop->c;
 880                         return 0;
 881                 } else {
 882                         if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
 883                                 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
 884                                 itv->main_rect = crop->c;
 885                                 return 0;
 886                         }
 887                 }
 888                 return -EINVAL;
 889         }
 890         return -EINVAL;
 891 }
 892
 893 static int ivtv_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 894 {
 895         struct ivtv_open_id *id = fh2id(fh);
 896         struct ivtv *itv = id->itv;
 897         struct yuv_playback_info *yi = &itv->yuv_info;
 898         int streamtype;
 899
 900         streamtype = id->type;
 901
 902         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 903             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 904                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV)
 905                         crop->c = yi->main_rect;
 906                 else
 907                         crop->c = itv->main_rect;
 908                 return 0;
 909         }
 910         return -EINVAL;
 911 }
 912
 913 static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 914 {
 915         static struct v4l2_fmtdesc formats[] = {
 916                 { 0, 0, 0,
 917                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 918                   { 0, 0, 0, 0 }
 919                 },
 920                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 921                   "MPEG", V4L2_PIX_FMT_MPEG,
 922                   { 0, 0, 0, 0 }
 923                 }
 924         };
 925         enum v4l2_buf_type type = fmt->type;
 926
 927         if (fmt->index > 1)
 928                 return -EINVAL;
 929
 930         *fmt = formats[fmt->index];
 931         fmt->type = type;
 932         return 0;
 933 }
 934
 935 static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 936 {
 937         struct ivtv *itv = fh2id(fh)->itv;
 938
 939         static struct v4l2_fmtdesc formats[] = {
 940                 { 0, 0, 0,
 941                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 942                   { 0, 0, 0, 0 }
 943                 },
 944                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 945                   "MPEG", V4L2_PIX_FMT_MPEG,
 946                   { 0, 0, 0, 0 }
 947                 }
 948         };
 949         enum v4l2_buf_type type = fmt->type;
 950
 951         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 952                 return -EINVAL;
 953
 954         if (fmt->index > 1)
 955                 return -EINVAL;
 956
 957         *fmt = formats[fmt->index];
 958         fmt->type = type;
 959
 960         return 0;
 961 }
 962
 963 static int ivtv_g_input(struct file *file, void *fh, unsigned int *i)
 964 {
 965         struct ivtv *itv = fh2id(fh)->itv;
 966
 967         *i = itv->active_input;
 968
 969         return 0;
 970 }
 971
 972 int ivtv_s_input(struct file *file, void *fh, unsigned int inp)
 973 {
 974         struct ivtv *itv = fh2id(fh)->itv;
 975
 976         if (inp < 0 || inp >= itv->nof_inputs)
 977                 return -EINVAL;
 978
 979         if (inp == itv->active_input) {
 980                 IVTV_DEBUG_INFO("Input unchanged\n");
 981                 return 0;
 982         }
 983
 984         if (atomic_read(&itv->capturing) > 0) {
 985                 return -EBUSY;
 986         }
 987
 988         IVTV_DEBUG_INFO("Changing input from %d to %d\n",
 989                         itv->active_input, inp);
 990
 991         itv->active_input = inp;
 992         /* Set the audio input to whatever is appropriate for the
 993            input type. */
 994         itv->audio_input = itv->card->video_inputs[inp].audio_index;
 995
 996         /* prevent others from messing with the streams until
 997            we're finished changing inputs. */
 998         ivtv_mute(itv);
 999         ivtv_video_set_io(itv);
1000         ivtv_audio_set_io(itv);
1001         ivtv_unmute(itv);
1002
1003         return 0;
1004 }
1005
1006 static int ivtv_g_output(struct file *file, void *fh, unsigned int *i)
1007 {
1008         struct ivtv *itv = fh2id(fh)->itv;
1009
1010         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1011                 return -EINVAL;
1012
1013         *i = itv->active_output;
1014
1015         return 0;
1016 }
1017
1018 static int ivtv_s_output(struct file *file, void *fh, unsigned int outp)
1019 {
1020         struct ivtv *itv = fh2id(fh)->itv;
1021
1022         if (outp >= itv->card->nof_outputs)
1023                 return -EINVAL;
1024
1025         if (outp == itv->active_output) {
1026                 IVTV_DEBUG_INFO("Output unchanged\n");
1027                 return 0;
1028         }
1029         IVTV_DEBUG_INFO("Changing output from %d to %d\n",
1030                    itv->active_output, outp);
1031
1032         itv->active_output = outp;
1033         ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing,
1034                         SAA7127_INPUT_TYPE_NORMAL,
1035                         itv->card->video_outputs[outp].video_output, 0);
1036
1037         return 0;
1038 }
1039
1040 static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1041 {
1042         struct ivtv *itv = fh2id(fh)->itv;
1043
1044         if (vf->tuner != 0)
1045                 return -EINVAL;
1046
1047         ivtv_call_all(itv, tuner, g_frequency, vf);
1048         return 0;
1049 }
1050
1051 int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1052 {
1053         struct ivtv *itv = fh2id(fh)->itv;
1054
1055         if (vf->tuner != 0)
1056                 return -EINVAL;
1057
1058         ivtv_mute(itv);
1059         IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
1060         ivtv_call_all(itv, tuner, s_frequency, vf);
1061         ivtv_unmute(itv);
1062         return 0;
1063 }
1064
1065 static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
1066 {
1067         struct ivtv *itv = fh2id(fh)->itv;
1068
1069         *std = itv->std;
1070         return 0;
1071 }
1072
1073 void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std)
1074 {
1075         itv->std = *std;
1076         itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
1077         itv->is_50hz = !itv->is_60hz;
1078         cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1079         itv->cxhdl.width = 720;
1080         itv->cxhdl.height = itv->is_50hz ? 576 : 480;
1081         itv->vbi.count = itv->is_50hz ? 18 : 12;
1082         itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1083         itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1084
1085         if (itv->hw_flags & IVTV_HW_CX25840)
1086                 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1087
1088         /* Tuner */
1089         ivtv_call_all(itv, core, s_std, itv->std);
1090 }
1091
1092 void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std)
1093 {
1094         struct yuv_playback_info *yi = &itv->yuv_info;
1095         DEFINE_WAIT(wait);
1096         int f;
1097
1098         /* set display standard */
1099         itv->std_out = *std;
1100         itv->is_out_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
1101         itv->is_out_50hz = !itv->is_out_60hz;
1102         ivtv_call_all(itv, video, s_std_output, itv->std_out);
1103
1104         /*
1105          * The next firmware call is time sensitive. Time it to
1106          * avoid risk of a hard lock, by trying to ensure the call
1107          * happens within the first 100 lines of the top field.
1108          * Make 4 attempts to sync to the decoder before giving up.
1109          */
1110         for (f = 0; f < 4; f++) {
1111                 prepare_to_wait(&itv->vsync_waitq, &wait,
1112                                 TASK_UNINTERRUPTIBLE);
1113                 if ((read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16) < 100)
1114                         break;
1115                 schedule_timeout(msecs_to_jiffies(25));
1116         }
1117         finish_wait(&itv->vsync_waitq, &wait);
1118
1119         if (f == 4)
1120                 IVTV_WARN("Mode change failed to sync to decoder\n");
1121
1122         ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1123         itv->main_rect.left = 0;
1124         itv->main_rect.top = 0;
1125         itv->main_rect.width = 720;
1126         itv->main_rect.height = itv->is_out_50hz ? 576 : 480;
1127         ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1128                 720, itv->main_rect.height, 0, 0);
1129         yi->main_rect = itv->main_rect;
1130         if (!itv->osd_info) {
1131                 yi->osd_full_w = 720;
1132                 yi->osd_full_h = itv->is_out_50hz ? 576 : 480;
1133         }
1134 }
1135
1136 int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std)
1137 {
1138         struct ivtv *itv = fh2id(fh)->itv;
1139
1140         if ((*std & V4L2_STD_ALL) == 0)
1141                 return -EINVAL;
1142
1143         if (*std == itv->std)
1144                 return 0;
1145
1146         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1147             atomic_read(&itv->capturing) > 0 ||
1148             atomic_read(&itv->decoding) > 0) {
1149                 /* Switching standard would mess with already running
1150                    streams, prevent that by returning EBUSY. */
1151                 return -EBUSY;
1152         }
1153
1154         IVTV_DEBUG_INFO("Switching standard to %llx.\n",
1155                 (unsigned long long)itv->std);
1156
1157         ivtv_s_std_enc(itv, std);
1158         if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1159                 ivtv_s_std_dec(itv, std);
1160
1161         return 0;
1162 }
1163
1164 static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1165 {
1166         struct ivtv_open_id *id = fh2id(fh);
1167         struct ivtv *itv = id->itv;
1168
1169         if (vt->index != 0)
1170                 return -EINVAL;
1171
1172         ivtv_call_all(itv, tuner, s_tuner, vt);
1173
1174         return 0;
1175 }
1176
1177 static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1178 {
1179         struct ivtv *itv = fh2id(fh)->itv;
1180
1181         if (vt->index != 0)
1182                 return -EINVAL;
1183
1184         ivtv_call_all(itv, tuner, g_tuner, vt);
1185
1186         if (vt->type == V4L2_TUNER_RADIO)
1187                 strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
1188         else
1189                 strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
1190         return 0;
1191 }
1192
1193 static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
1194 {
1195         struct ivtv *itv = fh2id(fh)->itv;
1196         int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1197         int f, l;
1198
1199         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1200                 for (f = 0; f < 2; f++) {
1201                         for (l = 0; l < 24; l++) {
1202                                 if (valid_service_line(f, l, itv->is_50hz))
1203                                         cap->service_lines[f][l] = set;
1204                         }
1205                 }
1206                 return 0;
1207         }
1208         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1209                 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1210                         return -EINVAL;
1211                 if (itv->is_60hz) {
1212                         cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1213                         cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1214                 } else {
1215                         cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1216                         cap->service_lines[0][16] = V4L2_SLICED_VPS;
1217                 }
1218                 return 0;
1219         }
1220         return -EINVAL;
1221 }
1222
1223 static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx)
1224 {
1225         struct ivtv *itv = fh2id(fh)->itv;
1226         struct v4l2_enc_idx_entry *e = idx->entry;
1227         int entries;
1228         int i;
1229
1230         entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1231                                 IVTV_MAX_PGM_INDEX;
1232         if (entries > V4L2_ENC_IDX_ENTRIES)
1233                 entries = V4L2_ENC_IDX_ENTRIES;
1234         idx->entries = 0;
1235         for (i = 0; i < entries; i++) {
1236                 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1237                 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1238                         idx->entries++;
1239                         e++;
1240                 }
1241         }
1242         itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1243         return 0;
1244 }
1245
1246 static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1247 {
1248         struct ivtv_open_id *id = fh2id(fh);
1249         struct ivtv *itv = id->itv;
1250
1251
1252         switch (enc->cmd) {
1253         case V4L2_ENC_CMD_START:
1254                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1255                 enc->flags = 0;
1256                 return ivtv_start_capture(id);
1257
1258         case V4L2_ENC_CMD_STOP:
1259                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1260                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1261                 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1262                 return 0;
1263
1264         case V4L2_ENC_CMD_PAUSE:
1265                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1266                 enc->flags = 0;
1267
1268                 if (!atomic_read(&itv->capturing))
1269                         return -EPERM;
1270                 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1271                         return 0;
1272
1273                 ivtv_mute(itv);
1274                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1275                 break;
1276
1277         case V4L2_ENC_CMD_RESUME:
1278                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1279                 enc->flags = 0;
1280
1281                 if (!atomic_read(&itv->capturing))
1282                         return -EPERM;
1283
1284                 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1285                         return 0;
1286
1287                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1288                 ivtv_unmute(itv);
1289                 break;
1290         default:
1291                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1292                 return -EINVAL;
1293         }
1294
1295         return 0;
1296 }
1297
1298 static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1299 {
1300         struct ivtv *itv = fh2id(fh)->itv;
1301
1302         switch (enc->cmd) {
1303         case V4L2_ENC_CMD_START:
1304                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1305                 enc->flags = 0;
1306                 return 0;
1307
1308         case V4L2_ENC_CMD_STOP:
1309                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1310                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1311                 return 0;
1312
1313         case V4L2_ENC_CMD_PAUSE:
1314                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1315                 enc->flags = 0;
1316                 return 0;
1317
1318         case V4L2_ENC_CMD_RESUME:
1319                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1320                 enc->flags = 0;
1321                 return 0;
1322         default:
1323                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1324                 return -EINVAL;
1325         }
1326 }
1327
1328 static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1329 {
1330         struct ivtv *itv = fh2id(fh)->itv;
1331         u32 data[CX2341X_MBOX_MAX_DATA];
1332         struct yuv_playback_info *yi = &itv->yuv_info;
1333
1334         int pixfmt;
1335         static u32 pixel_format[16] = {
1336                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */
1337                 V4L2_PIX_FMT_RGB565,
1338                 V4L2_PIX_FMT_RGB555,
1339                 V4L2_PIX_FMT_RGB444,
1340                 V4L2_PIX_FMT_RGB32,
1341                 0,
1342                 0,
1343                 0,
1344                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */
1345                 V4L2_PIX_FMT_YUV565,
1346                 V4L2_PIX_FMT_YUV555,
1347                 V4L2_PIX_FMT_YUV444,
1348                 V4L2_PIX_FMT_YUV32,
1349                 0,
1350                 0,
1351                 0,
1352         };
1353
1354         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1355                 return -EINVAL;
1356         if (!itv->osd_video_pbase)
1357                 return -EINVAL;
1358
1359         fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1360                 V4L2_FBUF_CAP_GLOBAL_ALPHA;
1361
1362         ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1363         data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1364         pixfmt = (data[0] >> 3) & 0xf;
1365
1366         fb->fmt.pixelformat = pixel_format[pixfmt];
1367         fb->fmt.width = itv->osd_rect.width;
1368         fb->fmt.height = itv->osd_rect.height;
1369         fb->fmt.field = V4L2_FIELD_INTERLACED;
1370         fb->fmt.bytesperline = fb->fmt.width;
1371         fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
1372         fb->fmt.field = V4L2_FIELD_INTERLACED;
1373         fb->fmt.priv = 0;
1374         if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8)
1375                 fb->fmt.bytesperline *= 2;
1376         if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 ||
1377             fb->fmt.pixelformat == V4L2_PIX_FMT_YUV32)
1378                 fb->fmt.bytesperline *= 2;
1379         fb->fmt.sizeimage = fb->fmt.bytesperline * fb->fmt.height;
1380         fb->base = (void *)itv->osd_video_pbase;
1381         fb->flags = 0;
1382
1383         if (itv->osd_chroma_key_state)
1384                 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1385
1386         if (itv->osd_global_alpha_state)
1387                 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1388
1389         if (yi->track_osd)
1390                 fb->flags |= V4L2_FBUF_FLAG_OVERLAY;
1391
1392         pixfmt &= 7;
1393
1394         /* no local alpha for RGB565 or unknown formats */
1395         if (pixfmt == 1 || pixfmt > 4)
1396                 return 0;
1397
1398         /* 16-bit formats have inverted local alpha */
1399         if (pixfmt == 2 || pixfmt == 3)
1400                 fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
1401         else
1402                 fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA;
1403
1404         if (itv->osd_local_alpha_state) {
1405                 /* 16-bit formats have inverted local alpha */
1406                 if (pixfmt == 2 || pixfmt == 3)
1407                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1408                 else
1409                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1410         }
1411
1412         return 0;
1413 }
1414
1415 static int ivtv_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1416 {
1417         struct ivtv_open_id *id = fh2id(fh);
1418         struct ivtv *itv = id->itv;
1419         struct yuv_playback_info *yi = &itv->yuv_info;
1420
1421         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1422                 return -EINVAL;
1423         if (!itv->osd_video_pbase)
1424                 return -EINVAL;
1425
1426         itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1427         itv->osd_local_alpha_state =
1428                 (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0;
1429         itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1430         ivtv_set_osd_alpha(itv);
1431         yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0;
1432         return ivtv_g_fbuf(file, fh, fb);
1433 }
1434
1435 static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
1436 {
1437         struct ivtv_open_id *id = fh2id(fh);
1438         struct ivtv *itv = id->itv;
1439
1440         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1441                 return -EINVAL;
1442
1443         ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, on != 0);
1444
1445         return 0;
1446 }
1447
1448 static int ivtv_subscribe_event(struct v4l2_fh *fh, struct v4l2_event_subscription *sub)
1449 {
1450         switch (sub->type) {
1451         case V4L2_EVENT_VSYNC:
1452         case V4L2_EVENT_EOS:
1453         case V4L2_EVENT_CTRL:
1454                 return v4l2_event_subscribe(fh, sub, 0);
1455         default:
1456                 return -EINVAL;
1457         }
1458 }
1459
1460 static int ivtv_log_status(struct file *file, void *fh)
1461 {
1462         struct ivtv *itv = fh2id(fh)->itv;
1463         u32 data[CX2341X_MBOX_MAX_DATA];
1464
1465         int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1466         struct v4l2_input vidin;
1467         struct v4l2_audio audin;
1468         int i;
1469
1470         IVTV_INFO("=================  START STATUS CARD #%d  =================\n",
1471                        itv->instance);
1472         IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1473         if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1474                 struct tveeprom tv;
1475
1476                 ivtv_read_eeprom(itv, &tv);
1477         }
1478         ivtv_call_all(itv, core, log_status);
1479         ivtv_get_input(itv, itv->active_input, &vidin);
1480         ivtv_get_audio_input(itv, itv->audio_input, &audin);
1481         IVTV_INFO("Video Input:  %s\n", vidin.name);
1482         IVTV_INFO("Audio Input:  %s%s\n", audin.name,
1483                 (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : "");
1484         if (has_output) {
1485                 struct v4l2_output vidout;
1486                 struct v4l2_audioout audout;
1487                 int mode = itv->output_mode;
1488                 static const char * const output_modes[5] = {
1489                         "None",
1490                         "MPEG Streaming",
1491                         "YUV Streaming",
1492                         "YUV Frames",
1493                         "Passthrough",
1494                 };
1495                 static const char * const audio_modes[5] = {
1496                         "Stereo",
1497                         "Left",
1498                         "Right",
1499                         "Mono",
1500                         "Swapped"
1501                 };
1502                 static const char * const alpha_mode[4] = {
1503                         "None",
1504                         "Global",
1505                         "Local",
1506                         "Global and Local"
1507                 };
1508                 static const char * const pixel_format[16] = {
1509                         "ARGB Indexed",
1510                         "RGB 5:6:5",
1511                         "ARGB 1:5:5:5",
1512                         "ARGB 1:4:4:4",
1513                         "ARGB 8:8:8:8",
1514                         "5",
1515                         "6",
1516                         "7",
1517                         "AYUV Indexed",
1518                         "YUV 5:6:5",
1519                         "AYUV 1:5:5:5",
1520                         "AYUV 1:4:4:4",
1521                         "AYUV 8:8:8:8",
1522                         "13",
1523                         "14",
1524                         "15",
1525                 };
1526
1527                 ivtv_get_output(itv, itv->active_output, &vidout);
1528                 ivtv_get_audio_output(itv, 0, &audout);
1529                 IVTV_INFO("Video Output: %s\n", vidout.name);
1530                 IVTV_INFO("Audio Output: %s (Stereo/Bilingual: %s/%s)\n", audout.name,
1531                         audio_modes[itv->audio_stereo_mode],
1532                         audio_modes[itv->audio_bilingual_mode]);
1533                 if (mode < 0 || mode > OUT_PASSTHROUGH)
1534                         mode = OUT_NONE;
1535                 IVTV_INFO("Output Mode:  %s\n", output_modes[mode]);
1536                 ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1537                 data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1538                 IVTV_INFO("Overlay:      %s, Alpha: %s, Pixel Format: %s\n",
1539                         data[0] & 1 ? "On" : "Off",
1540                         alpha_mode[(data[0] >> 1) & 0x3],
1541                         pixel_format[(data[0] >> 3) & 0xf]);
1542         }
1543         IVTV_INFO("Tuner:  %s\n",
1544                 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1545         v4l2_ctrl_handler_log_status(&itv->cxhdl.hdl, itv->v4l2_dev.name);
1546         IVTV_INFO("Status flags:    0x%08lx\n", itv->i_flags);
1547         for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1548                 struct ivtv_stream *s = &itv->streams[i];
1549
1550                 if (s->vdev == NULL || s->buffers == 0)
1551                         continue;
1552                 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1553                                 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1554                                 (s->buffers * s->buf_size) / 1024, s->buffers);
1555         }
1556
1557         IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n",
1558                         (long long)itv->mpg_data_received,
1559                         (long long)itv->vbi_data_inserted);
1560         IVTV_INFO("==================  END STATUS CARD #%d  ==================\n",
1561                         itv->instance);
1562
1563         return 0;
1564 }
1565
1566 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1567 {
1568         struct ivtv_open_id *id = fh2id(filp->private_data);
1569         struct ivtv *itv = id->itv;
1570         int nonblocking = filp->f_flags & O_NONBLOCK;
1571         struct ivtv_stream *s = &itv->streams[id->type];
1572         unsigned long iarg = (unsigned long)arg;
1573
1574         switch (cmd) {
1575         case IVTV_IOC_DMA_FRAME: {
1576                 struct ivtv_dma_frame *args = arg;
1577
1578                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1579                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1580                         return -EINVAL;
1581                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1582                         return -EINVAL;
1583                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1584                         return 0;
1585                 if (ivtv_start_decoding(id, id->type)) {
1586                         return -EBUSY;
1587                 }
1588                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1589                         ivtv_release_stream(s);
1590                         return -EBUSY;
1591                 }
1592                 /* Mark that this file handle started the UDMA_YUV mode */
1593                 id->yuv_frames = 1;
1594                 if (args->y_source == NULL)
1595                         return 0;
1596                 return ivtv_yuv_prep_frame(itv, args);
1597         }
1598
1599         case VIDEO_GET_PTS: {
1600                 u32 data[CX2341X_MBOX_MAX_DATA];
1601                 u64 *pts = arg;
1602
1603                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1604                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1605                         *pts = s->dma_pts;
1606                         break;
1607                 }
1608                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1609                         return -EINVAL;
1610
1611                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1612                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1613                                         (u64)itv->last_dec_timing[1];
1614                         break;
1615                 }
1616                 *pts = 0;
1617                 if (atomic_read(&itv->decoding)) {
1618                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1619                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1620                                 return -EIO;
1621                         }
1622                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1623                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1624                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1625                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1626                 }
1627                 break;
1628         }
1629
1630         case VIDEO_GET_FRAME_COUNT: {
1631                 u32 data[CX2341X_MBOX_MAX_DATA];
1632                 u64 *frame = arg;
1633
1634                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1635                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1636                         *frame = 0;
1637                         break;
1638                 }
1639                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1640                         return -EINVAL;
1641
1642                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1643                         *frame = itv->last_dec_timing[0];
1644                         break;
1645                 }
1646                 *frame = 0;
1647                 if (atomic_read(&itv->decoding)) {
1648                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1649                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1650                                 return -EIO;
1651                         }
1652                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1653                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1654                         *frame = data[0];
1655                 }
1656                 break;
1657         }
1658
1659         case VIDEO_PLAY: {
1660                 struct video_command vc;
1661
1662                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1663                 memset(&vc, 0, sizeof(vc));
1664                 vc.cmd = VIDEO_CMD_PLAY;
1665                 return ivtv_video_command(itv, id, &vc, 0);
1666         }
1667
1668         case VIDEO_STOP: {
1669                 struct video_command vc;
1670
1671                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1672                 memset(&vc, 0, sizeof(vc));
1673                 vc.cmd = VIDEO_CMD_STOP;
1674                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1675                 return ivtv_video_command(itv, id, &vc, 0);
1676         }
1677
1678         case VIDEO_FREEZE: {
1679                 struct video_command vc;
1680
1681                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1682                 memset(&vc, 0, sizeof(vc));
1683                 vc.cmd = VIDEO_CMD_FREEZE;
1684                 return ivtv_video_command(itv, id, &vc, 0);
1685         }
1686
1687         case VIDEO_CONTINUE: {
1688                 struct video_command vc;
1689
1690                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1691                 memset(&vc, 0, sizeof(vc));
1692                 vc.cmd = VIDEO_CMD_CONTINUE;
1693                 return ivtv_video_command(itv, id, &vc, 0);
1694         }
1695
1696         case VIDEO_COMMAND:
1697         case VIDEO_TRY_COMMAND: {
1698                 struct video_command *vc = arg;
1699                 int try = (cmd == VIDEO_TRY_COMMAND);
1700
1701                 if (try)
1702                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
1703                 else
1704                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
1705                 return ivtv_video_command(itv, id, vc, try);
1706         }
1707
1708         case VIDEO_GET_EVENT: {
1709                 struct video_event *ev = arg;
1710                 DEFINE_WAIT(wait);
1711
1712                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1713                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1714                         return -EINVAL;
1715                 memset(ev, 0, sizeof(*ev));
1716                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1717
1718                 while (1) {
1719                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1720                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1721                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1722                                 ev->type = VIDEO_EVENT_VSYNC;
1723                                 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1724                                         VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1725                                 if (itv->output_mode == OUT_UDMA_YUV &&
1726                                         (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1727                                                                 IVTV_YUV_MODE_PROGRESSIVE) {
1728                                         ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1729                                 }
1730                         }
1731                         if (ev->type)
1732                                 return 0;
1733                         if (nonblocking)
1734                                 return -EAGAIN;
1735                         /* Wait for event. Note that serialize_lock is locked,
1736                            so to allow other processes to access the driver while
1737                            we are waiting unlock first and later lock again. */
1738                         mutex_unlock(&itv->serialize_lock);
1739                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1740                         if (!test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags) &&
1741                             !test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags))
1742                                 schedule();
1743                         finish_wait(&itv->event_waitq, &wait);
1744                         mutex_lock(&itv->serialize_lock);
1745                         if (signal_pending(current)) {
1746                                 /* return if a signal was received */
1747                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1748                                 return -EINTR;
1749                         }
1750                 }
1751                 break;
1752         }
1753
1754         case VIDEO_SELECT_SOURCE:
1755                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1756                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1757                         return -EINVAL;
1758                 return ivtv_passthrough_mode(itv, iarg == VIDEO_SOURCE_DEMUX);
1759
1760         case AUDIO_SET_MUTE:
1761                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1762                 itv->speed_mute_audio = iarg;
1763                 return 0;
1764
1765         case AUDIO_CHANNEL_SELECT:
1766                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1767                 if (iarg > AUDIO_STEREO_SWAPPED)
1768                         return -EINVAL;
1769                 itv->audio_stereo_mode = iarg;
1770                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1771                 return 0;
1772
1773         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1774                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1775                 if (iarg > AUDIO_STEREO_SWAPPED)
1776                         return -EINVAL;
1777                 itv->audio_bilingual_mode = iarg;
1778                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1779                 return 0;
1780
1781         default:
1782                 return -EINVAL;
1783         }
1784         return 0;
1785 }
1786
1787 static long ivtv_default(struct file *file, void *fh, bool valid_prio,
1788                          int cmd, void *arg)
1789 {
1790         struct ivtv *itv = fh2id(fh)->itv;
1791
1792         if (!valid_prio) {
1793                 switch (cmd) {
1794                 case VIDEO_PLAY:
1795                 case VIDEO_STOP:
1796                 case VIDEO_FREEZE:
1797                 case VIDEO_CONTINUE:
1798                 case VIDEO_COMMAND:
1799                 case VIDEO_SELECT_SOURCE:
1800                 case AUDIO_SET_MUTE:
1801                 case AUDIO_CHANNEL_SELECT:
1802                 case AUDIO_BILINGUAL_CHANNEL_SELECT:
1803                         return -EBUSY;
1804                 }
1805         }
1806
1807         switch (cmd) {
1808         case VIDIOC_INT_RESET: {
1809                 u32 val = *(u32 *)arg;
1810
1811                 if ((val == 0 && itv->options.newi2c) || (val & 0x01))
1812                         ivtv_reset_ir_gpio(itv);
1813                 if (val & 0x02)
1814                         v4l2_subdev_call(itv->sd_video, core, reset, 0);
1815                 break;
1816         }
1817
1818         case IVTV_IOC_DMA_FRAME:
1819         case VIDEO_GET_PTS:
1820         case VIDEO_GET_FRAME_COUNT:
1821         case VIDEO_GET_EVENT:
1822         case VIDEO_PLAY:
1823         case VIDEO_STOP:
1824         case VIDEO_FREEZE:
1825         case VIDEO_CONTINUE:
1826         case VIDEO_COMMAND:
1827         case VIDEO_TRY_COMMAND:
1828         case VIDEO_SELECT_SOURCE:
1829         case AUDIO_SET_MUTE:
1830         case AUDIO_CHANNEL_SELECT:
1831         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1832                 return ivtv_decoder_ioctls(file, cmd, (void *)arg);
1833
1834         default:
1835                 return -EINVAL;
1836         }
1837         return 0;
1838 }
1839
1840 static long ivtv_serialized_ioctl(struct ivtv *itv, struct file *filp,
1841                 unsigned int cmd, unsigned long arg)
1842 {
1843         struct video_device *vfd = video_devdata(filp);
1844         long ret;
1845
1846         if (ivtv_debug & IVTV_DBGFLG_IOCTL)
1847                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
1848         ret = video_ioctl2(filp, cmd, arg);
1849         vfd->debug = 0;
1850         return ret;
1851 }
1852
1853 long ivtv_v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
1854 {
1855         struct ivtv_open_id *id = fh2id(filp->private_data);
1856         struct ivtv *itv = id->itv;
1857         long res;
1858
1859         /* DQEVENT can block, so this should not run with the serialize lock */
1860         if (cmd == VIDIOC_DQEVENT)
1861                 return ivtv_serialized_ioctl(itv, filp, cmd, arg);
1862         mutex_lock(&itv->serialize_lock);
1863         res = ivtv_serialized_ioctl(itv, filp, cmd, arg);
1864         mutex_unlock(&itv->serialize_lock);
1865         return res;
1866 }
1867
1868 static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
1869         .vidioc_querycap                    = ivtv_querycap,
1870         .vidioc_s_audio                     = ivtv_s_audio,
1871         .vidioc_g_audio                     = ivtv_g_audio,
1872         .vidioc_enumaudio                   = ivtv_enumaudio,
1873         .vidioc_s_audout                    = ivtv_s_audout,
1874         .vidioc_g_audout                    = ivtv_g_audout,
1875         .vidioc_enum_input                  = ivtv_enum_input,
1876         .vidioc_enum_output                 = ivtv_enum_output,
1877         .vidioc_enumaudout                  = ivtv_enumaudout,
1878         .vidioc_cropcap                     = ivtv_cropcap,
1879         .vidioc_s_crop                      = ivtv_s_crop,
1880         .vidioc_g_crop                      = ivtv_g_crop,
1881         .vidioc_g_input                     = ivtv_g_input,
1882         .vidioc_s_input                     = ivtv_s_input,
1883         .vidioc_g_output                    = ivtv_g_output,
1884         .vidioc_s_output                    = ivtv_s_output,
1885         .vidioc_g_frequency                 = ivtv_g_frequency,
1886         .vidioc_s_frequency                 = ivtv_s_frequency,
1887         .vidioc_s_tuner                     = ivtv_s_tuner,
1888         .vidioc_g_tuner                     = ivtv_g_tuner,
1889         .vidioc_g_enc_index                 = ivtv_g_enc_index,
1890         .vidioc_g_fbuf                      = ivtv_g_fbuf,
1891         .vidioc_s_fbuf                      = ivtv_s_fbuf,
1892         .vidioc_g_std                       = ivtv_g_std,
1893         .vidioc_s_std                       = ivtv_s_std,
1894         .vidioc_overlay                     = ivtv_overlay,
1895         .vidioc_log_status                  = ivtv_log_status,
1896         .vidioc_enum_fmt_vid_cap            = ivtv_enum_fmt_vid_cap,
1897         .vidioc_encoder_cmd                 = ivtv_encoder_cmd,
1898         .vidioc_try_encoder_cmd             = ivtv_try_encoder_cmd,
1899         .vidioc_enum_fmt_vid_out            = ivtv_enum_fmt_vid_out,
1900         .vidioc_g_fmt_vid_cap               = ivtv_g_fmt_vid_cap,
1901         .vidioc_g_fmt_vbi_cap               = ivtv_g_fmt_vbi_cap,
1902         .vidioc_g_fmt_sliced_vbi_cap        = ivtv_g_fmt_sliced_vbi_cap,
1903         .vidioc_g_fmt_vid_out               = ivtv_g_fmt_vid_out,
1904         .vidioc_g_fmt_vid_out_overlay       = ivtv_g_fmt_vid_out_overlay,
1905         .vidioc_g_fmt_sliced_vbi_out        = ivtv_g_fmt_sliced_vbi_out,
1906         .vidioc_s_fmt_vid_cap               = ivtv_s_fmt_vid_cap,
1907         .vidioc_s_fmt_vbi_cap               = ivtv_s_fmt_vbi_cap,
1908         .vidioc_s_fmt_sliced_vbi_cap        = ivtv_s_fmt_sliced_vbi_cap,
1909         .vidioc_s_fmt_vid_out               = ivtv_s_fmt_vid_out,
1910         .vidioc_s_fmt_vid_out_overlay       = ivtv_s_fmt_vid_out_overlay,
1911         .vidioc_s_fmt_sliced_vbi_out        = ivtv_s_fmt_sliced_vbi_out,
1912         .vidioc_try_fmt_vid_cap             = ivtv_try_fmt_vid_cap,
1913         .vidioc_try_fmt_vbi_cap             = ivtv_try_fmt_vbi_cap,
1914         .vidioc_try_fmt_sliced_vbi_cap      = ivtv_try_fmt_sliced_vbi_cap,
1915         .vidioc_try_fmt_vid_out             = ivtv_try_fmt_vid_out,
1916         .vidioc_try_fmt_vid_out_overlay     = ivtv_try_fmt_vid_out_overlay,
1917         .vidioc_try_fmt_sliced_vbi_out      = ivtv_try_fmt_sliced_vbi_out,
1918         .vidioc_g_sliced_vbi_cap            = ivtv_g_sliced_vbi_cap,
1919         .vidioc_g_chip_ident                = ivtv_g_chip_ident,
1920 #ifdef CONFIG_VIDEO_ADV_DEBUG
1921         .vidioc_g_register                  = ivtv_g_register,
1922         .vidioc_s_register                  = ivtv_s_register,
1923 #endif
1924         .vidioc_default                     = ivtv_default,
1925         .vidioc_subscribe_event             = ivtv_subscribe_event,
1926         .vidioc_unsubscribe_event           = v4l2_event_unsubscribe,
1927 };
1928
1929 void ivtv_set_funcs(struct video_device *vdev)
1930 {
1931         vdev->ioctl_ops = &ivtv_ioctl_ops;
1932 }