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 <linux/dvb/audio.h>
  39 #include <linux/i2c-id.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] = itv->params.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 (itv->i_flags & IVTV_F_I_DMA) {
 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 = ((struct ivtv_open_id *)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 = fh;
 338         struct ivtv *itv = id->itv;
 339         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 340
 341         pixfmt->width = itv->params.width;
 342         pixfmt->height = itv->params.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*w) + UV=(h*(w/2))) */
 349                 pixfmt->sizeimage =
 350                         pixfmt->height * pixfmt->width +
 351                         pixfmt->height * (pixfmt->width / 2);
 352                 pixfmt->bytesperline = 720;
 353         } else {
 354                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 355                 pixfmt->sizeimage = 128 * 1024;
 356                 pixfmt->bytesperline = 0;
 357         }
 358         return 0;
 359 }
 360
 361 static int ivtv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 362 {
 363         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 364         struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
 365
 366         vbifmt->sampling_rate = 27000000;
 367         vbifmt->offset = 248;
 368         vbifmt->samples_per_line = itv->vbi.raw_decoder_line_size - 4;
 369         vbifmt->sample_format = V4L2_PIX_FMT_GREY;
 370         vbifmt->start[0] = itv->vbi.start[0];
 371         vbifmt->start[1] = itv->vbi.start[1];
 372         vbifmt->count[0] = vbifmt->count[1] = itv->vbi.count;
 373         vbifmt->flags = 0;
 374         vbifmt->reserved[0] = 0;
 375         vbifmt->reserved[1] = 0;
 376         return 0;
 377 }
 378
 379 static int ivtv_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 380 {
 381         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 382         struct ivtv_open_id *id = fh;
 383         struct ivtv *itv = id->itv;
 384
 385         vbifmt->reserved[0] = 0;
 386         vbifmt->reserved[1] = 0;
 387         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 388
 389         if (id->type == IVTV_DEC_STREAM_TYPE_VBI) {
 390                 vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
 391                         V4L2_SLICED_VBI_525;
 392                 ivtv_expand_service_set(vbifmt, itv->is_50hz);
 393                 return 0;
 394         }
 395
 396         itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
 397         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 398         return 0;
 399 }
 400
 401 static int ivtv_g_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 402 {
 403         struct ivtv_open_id *id = fh;
 404         struct ivtv *itv = id->itv;
 405         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 406
 407         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 408                 return -EINVAL;
 409         pixfmt->width = itv->main_rect.width;
 410         pixfmt->height = itv->main_rect.height;
 411         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 412         pixfmt->field = V4L2_FIELD_INTERLACED;
 413         pixfmt->priv = 0;
 414         if (id->type == IVTV_DEC_STREAM_TYPE_YUV) {
 415                 switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
 416                 case IVTV_YUV_MODE_INTERLACED:
 417                         pixfmt->field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
 418                                 V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
 419                         break;
 420                 case IVTV_YUV_MODE_PROGRESSIVE:
 421                         pixfmt->field = V4L2_FIELD_NONE;
 422                         break;
 423                 default:
 424                         pixfmt->field = V4L2_FIELD_ANY;
 425                         break;
 426                 }
 427                 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
 428                 pixfmt->bytesperline = 720;
 429                 pixfmt->width = itv->yuv_info.v4l2_src_w;
 430                 pixfmt->height = itv->yuv_info.v4l2_src_h;
 431                 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 432                 pixfmt->sizeimage =
 433                         1080 * ((pixfmt->height + 31) & ~31);
 434         } else {
 435                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 436                 pixfmt->sizeimage = 128 * 1024;
 437                 pixfmt->bytesperline = 0;
 438         }
 439         return 0;
 440 }
 441
 442 static int ivtv_g_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 443 {
 444         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 445         struct v4l2_window *winfmt = &fmt->fmt.win;
 446
 447         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 448                 return -EINVAL;
 449         winfmt->chromakey = itv->osd_chroma_key;
 450         winfmt->global_alpha = itv->osd_global_alpha;
 451         winfmt->field = V4L2_FIELD_INTERLACED;
 452         winfmt->clips = NULL;
 453         winfmt->clipcount = 0;
 454         winfmt->bitmap = NULL;
 455         winfmt->w.top = winfmt->w.left = 0;
 456         winfmt->w.width = itv->osd_rect.width;
 457         winfmt->w.height = itv->osd_rect.height;
 458         return 0;
 459 }
 460
 461 static int ivtv_try_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 462 {
 463         return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
 464 }
 465
 466 static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 467 {
 468         struct ivtv_open_id *id = fh;
 469         struct ivtv *itv = id->itv;
 470         int w = fmt->fmt.pix.width;
 471         int h = fmt->fmt.pix.height;
 472
 473         w = min(w, 720);
 474         w = max(w, 2);
 475         h = min(h, itv->is_50hz ? 576 : 480);
 476         h = max(h, 2);
 477         ivtv_g_fmt_vid_cap(file, fh, fmt);
 478         fmt->fmt.pix.width = w;
 479         fmt->fmt.pix.height = h;
 480         return 0;
 481 }
 482
 483 static int ivtv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 484 {
 485         return ivtv_g_fmt_vbi_cap(file, fh, fmt);
 486 }
 487
 488 static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 489 {
 490         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 491         struct ivtv_open_id *id = fh;
 492         struct ivtv *itv = id->itv;
 493
 494         if (id->type == IVTV_DEC_STREAM_TYPE_VBI)
 495                 return ivtv_g_fmt_sliced_vbi_cap(file, fh, fmt);
 496
 497         /* set sliced VBI capture format */
 498         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 499         vbifmt->reserved[0] = 0;
 500         vbifmt->reserved[1] = 0;
 501
 502         if (vbifmt->service_set)
 503                 ivtv_expand_service_set(vbifmt, itv->is_50hz);
 504         check_service_set(vbifmt, itv->is_50hz);
 505         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 506         return 0;
 507 }
 508
 509 static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 510 {
 511         struct ivtv_open_id *id = fh;
 512         struct ivtv *itv = id->itv;
 513         s32 w = fmt->fmt.pix.width;
 514         s32 h = fmt->fmt.pix.height;
 515         int field = fmt->fmt.pix.field;
 516         int ret = ivtv_g_fmt_vid_out(file, fh, fmt);
 517
 518         w = min(w, 720);
 519         w = max(w, 2);
 520         h = min(h, itv->is_out_50hz ? 576 : 480);
 521         h = max(h, 2);
 522         if (id->type == IVTV_DEC_STREAM_TYPE_YUV)
 523                 fmt->fmt.pix.field = field;
 524         fmt->fmt.pix.width = w;
 525         fmt->fmt.pix.height = h;
 526         return ret;
 527 }
 528
 529 static int ivtv_try_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 530 {
 531         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 532         u32 chromakey = fmt->fmt.win.chromakey;
 533         u8 global_alpha = fmt->fmt.win.global_alpha;
 534
 535         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 536                 return -EINVAL;
 537         ivtv_g_fmt_vid_out_overlay(file, fh, fmt);
 538         fmt->fmt.win.chromakey = chromakey;
 539         fmt->fmt.win.global_alpha = global_alpha;
 540         return 0;
 541 }
 542
 543 static int ivtv_s_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 544 {
 545         return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
 546 }
 547
 548 static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 549 {
 550         struct ivtv_open_id *id = fh;
 551         struct ivtv *itv = id->itv;
 552         struct cx2341x_mpeg_params *p = &itv->params;
 553         int ret = ivtv_try_fmt_vid_cap(file, fh, fmt);
 554         int w = fmt->fmt.pix.width;
 555         int h = fmt->fmt.pix.height;
 556
 557         if (ret)
 558                 return ret;
 559
 560         if (p->width == w && p->height == h)
 561                 return 0;
 562
 563         if (atomic_read(&itv->capturing) > 0)
 564                 return -EBUSY;
 565
 566         p->width = w;
 567         p->height = h;
 568         if (p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
 569                 fmt->fmt.pix.width /= 2;
 570         itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 571         return ivtv_g_fmt_vid_cap(file, fh, fmt);
 572 }
 573
 574 static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 575 {
 576         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 577
 578         itv->vbi.sliced_in->service_set = 0;
 579         itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);
 580         return ivtv_g_fmt_vbi_cap(file, fh, fmt);
 581 }
 582
 583 static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 584 {
 585         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 586         struct ivtv_open_id *id = fh;
 587         struct ivtv *itv = id->itv;
 588         int ret = ivtv_try_fmt_sliced_vbi_cap(file, fh, fmt);
 589
 590         if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI)
 591                 return ret;
 592
 593         check_service_set(vbifmt, itv->is_50hz);
 594         if (atomic_read(&itv->capturing) > 0)
 595                 return -EBUSY;
 596         itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 597         memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
 598         return 0;
 599 }
 600
 601 static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 602 {
 603         struct ivtv_open_id *id = fh;
 604         struct ivtv *itv = id->itv;
 605         struct yuv_playback_info *yi = &itv->yuv_info;
 606         int ret = ivtv_try_fmt_vid_out(file, fh, fmt);
 607
 608         if (ret)
 609                 return ret;
 610
 611         if (id->type != IVTV_DEC_STREAM_TYPE_YUV)
 612                 return 0;
 613
 614         /* Return now if we already have some frame data */
 615         if (yi->stream_size)
 616                 return -EBUSY;
 617
 618         yi->v4l2_src_w = fmt->fmt.pix.width;
 619         yi->v4l2_src_h = fmt->fmt.pix.height;
 620
 621         switch (fmt->fmt.pix.field) {
 622         case V4L2_FIELD_NONE:
 623                 yi->lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
 624                 break;
 625         case V4L2_FIELD_ANY:
 626                 yi->lace_mode = IVTV_YUV_MODE_AUTO;
 627                 break;
 628         case V4L2_FIELD_INTERLACED_BT:
 629                 yi->lace_mode =
 630                         IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
 631                 break;
 632         case V4L2_FIELD_INTERLACED_TB:
 633         default:
 634                 yi->lace_mode = IVTV_YUV_MODE_INTERLACED;
 635                 break;
 636         }
 637         yi->lace_sync_field = (yi->lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
 638
 639         if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
 640                 itv->dma_data_req_size =
 641                         1080 * ((yi->v4l2_src_h + 31) & ~31);
 642
 643         /* Force update of yuv registers */
 644         yi->yuv_forced_update = 1;
 645         return 0;
 646 }
 647
 648 static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 649 {
 650         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 651         int ret = ivtv_try_fmt_vid_out_overlay(file, fh, fmt);
 652
 653         if (ret == 0) {
 654                 itv->osd_chroma_key = fmt->fmt.win.chromakey;
 655                 itv->osd_global_alpha = fmt->fmt.win.global_alpha;
 656                 ivtv_set_osd_alpha(itv);
 657         }
 658         return ret;
 659 }
 660
 661 static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_chip_ident *chip)
 662 {
 663         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 664
 665         chip->ident = V4L2_IDENT_NONE;
 666         chip->revision = 0;
 667         if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
 668                 if (v4l2_chip_match_host(chip->match_type, chip->match_chip))
 669                         chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
 670                 return 0;
 671         }
 672         if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 673                 return ivtv_i2c_id(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
 674         if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 675                 return ivtv_call_i2c_client(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
 676         return -EINVAL;
 677 }
 678
 679 #ifdef CONFIG_VIDEO_ADV_DEBUG
 680 static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
 681 {
 682         struct v4l2_register *regs = arg;
 683         unsigned long flags;
 684         volatile u8 __iomem *reg_start;
 685
 686         if (!capable(CAP_SYS_ADMIN))
 687                 return -EPERM;
 688         if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
 689                 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
 690         else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
 691                         regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
 692                 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
 693         else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE)
 694                 reg_start = itv->enc_mem;
 695         else
 696                 return -EINVAL;
 697
 698         spin_lock_irqsave(&ivtv_cards_lock, flags);
 699         if (cmd == VIDIOC_DBG_G_REGISTER)
 700                 regs->val = readl(regs->reg + reg_start);
 701         else
 702                 writel(regs->val, regs->reg + reg_start);
 703         spin_unlock_irqrestore(&ivtv_cards_lock, flags);
 704         return 0;
 705 }
 706
 707 static int ivtv_g_register(struct file *file, void *fh, struct v4l2_register *reg)
 708 {
 709         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 710
 711         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 712                 return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg);
 713         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 714                 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
 715         return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
 716 }
 717
 718 static int ivtv_s_register(struct file *file, void *fh, struct v4l2_register *reg)
 719 {
 720         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 721
 722         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 723                 return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg);
 724         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 725                 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
 726         return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
 727 }
 728 #endif
 729
 730 static int ivtv_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
 731 {
 732         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 733
 734         *p = v4l2_prio_max(&itv->prio);
 735
 736         return 0;
 737 }
 738
 739 static int ivtv_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
 740 {
 741         struct ivtv_open_id *id = fh;
 742         struct ivtv *itv = id->itv;
 743
 744         return v4l2_prio_change(&itv->prio, &id->prio, prio);
 745 }
 746
 747 static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap)
 748 {
 749         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 750
 751         strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
 752         strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
 753         snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->dev));
 754         vcap->version = IVTV_DRIVER_VERSION;        /* version */
 755         vcap->capabilities = itv->v4l2_cap;         /* capabilities */
 756         return 0;
 757 }
 758
 759 static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 760 {
 761         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 762
 763         return ivtv_get_audio_input(itv, vin->index, vin);
 764 }
 765
 766 static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 767 {
 768         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 769
 770         vin->index = itv->audio_input;
 771         return ivtv_get_audio_input(itv, vin->index, vin);
 772 }
 773
 774 static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 775 {
 776         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 777
 778         if (vout->index >= itv->nof_audio_inputs)
 779                 return -EINVAL;
 780
 781         itv->audio_input = vout->index;
 782         ivtv_audio_set_io(itv);
 783
 784         return 0;
 785 }
 786
 787 static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin)
 788 {
 789         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 790
 791         /* set it to defaults from our table */
 792         return ivtv_get_audio_output(itv, vin->index, vin);
 793 }
 794
 795 static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin)
 796 {
 797         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 798
 799         vin->index = 0;
 800         return ivtv_get_audio_output(itv, vin->index, vin);
 801 }
 802
 803 static int ivtv_s_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
 804 {
 805         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 806
 807         return ivtv_get_audio_output(itv, vout->index, vout);
 808 }
 809
 810 static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 811 {
 812         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 813
 814         /* set it to defaults from our table */
 815         return ivtv_get_input(itv, vin->index, vin);
 816 }
 817
 818 static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout)
 819 {
 820         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 821
 822         return ivtv_get_output(itv, vout->index, vout);
 823 }
 824
 825 static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
 826 {
 827         struct ivtv_open_id *id = fh;
 828         struct ivtv *itv = id->itv;
 829         struct yuv_playback_info *yi = &itv->yuv_info;
 830         int streamtype;
 831
 832         streamtype = id->type;
 833
 834         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 835                 return -EINVAL;
 836         cropcap->bounds.top = cropcap->bounds.left = 0;
 837         cropcap->bounds.width = 720;
 838         if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 839                 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
 840                 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
 841                 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
 842         } else if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 843                 if (yi->track_osd) {
 844                         cropcap->bounds.width = yi->osd_full_w;
 845                         cropcap->bounds.height = yi->osd_full_h;
 846                 } else {
 847                         cropcap->bounds.width = 720;
 848                         cropcap->bounds.height =
 849                                         itv->is_out_50hz ? 576 : 480;
 850                 }
 851                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 852                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 853         } else {
 854                 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
 855                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 856                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 857         }
 858         cropcap->defrect = cropcap->bounds;
 859         return 0;
 860 }
 861
 862 static int ivtv_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 863 {
 864         struct ivtv_open_id *id = fh;
 865         struct ivtv *itv = id->itv;
 866         struct yuv_playback_info *yi = &itv->yuv_info;
 867         int streamtype;
 868
 869         streamtype = id->type;
 870
 871         if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
 872                 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
 873                 /* Should be replaced */
 874                 /* v4l_printk_ioctl(VIDIOC_S_CROP); */
 875         }
 876
 877         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 878             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 879                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 880                         yi->main_rect = crop->c;
 881                         return 0;
 882                 } else {
 883                         if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
 884                                 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
 885                                 itv->main_rect = crop->c;
 886                                 return 0;
 887                         }
 888                 }
 889                 return -EINVAL;
 890         }
 891         return -EINVAL;
 892 }
 893
 894 static int ivtv_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 895 {
 896         struct ivtv_open_id *id = fh;
 897         struct ivtv *itv = id->itv;
 898         struct yuv_playback_info *yi = &itv->yuv_info;
 899         int streamtype;
 900
 901         streamtype = id->type;
 902
 903         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 904             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 905                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV)
 906                         crop->c = yi->main_rect;
 907                 else
 908                         crop->c = itv->main_rect;
 909                 return 0;
 910         }
 911         return -EINVAL;
 912 }
 913
 914 static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 915 {
 916         static struct v4l2_fmtdesc formats[] = {
 917                 { 0, 0, 0,
 918                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 919                   { 0, 0, 0, 0 }
 920                 },
 921                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 922                   "MPEG", V4L2_PIX_FMT_MPEG,
 923                   { 0, 0, 0, 0 }
 924                 }
 925         };
 926         enum v4l2_buf_type type = fmt->type;
 927
 928         if (fmt->index > 1)
 929                 return -EINVAL;
 930
 931         *fmt = formats[fmt->index];
 932         fmt->type = type;
 933         return 0;
 934 }
 935
 936 static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 937 {
 938         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 939
 940         static struct v4l2_fmtdesc formats[] = {
 941                 { 0, 0, 0,
 942                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 943                   { 0, 0, 0, 0 }
 944                 },
 945                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 946                   "MPEG", V4L2_PIX_FMT_MPEG,
 947                   { 0, 0, 0, 0 }
 948                 }
 949         };
 950         enum v4l2_buf_type type = fmt->type;
 951
 952         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 953                 return -EINVAL;
 954
 955         if (fmt->index > 1)
 956                 return -EINVAL;
 957
 958         *fmt = formats[fmt->index];
 959         fmt->type = type;
 960
 961         return 0;
 962 }
 963
 964 static int ivtv_g_input(struct file *file, void *fh, unsigned int *i)
 965 {
 966         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 967
 968         *i = itv->active_input;
 969
 970         return 0;
 971 }
 972
 973 int ivtv_s_input(struct file *file, void *fh, unsigned int inp)
 974 {
 975         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 976
 977         if (inp < 0 || inp >= itv->nof_inputs)
 978                 return -EINVAL;
 979
 980         if (inp == itv->active_input) {
 981                 IVTV_DEBUG_INFO("Input unchanged\n");
 982                 return 0;
 983         }
 984
 985         if (atomic_read(&itv->capturing) > 0) {
 986                 return -EBUSY;
 987         }
 988
 989         IVTV_DEBUG_INFO("Changing input from %d to %d\n",
 990                         itv->active_input, inp);
 991
 992         itv->active_input = inp;
 993         /* Set the audio input to whatever is appropriate for the
 994            input type. */
 995         itv->audio_input = itv->card->video_inputs[inp].audio_index;
 996
 997         /* prevent others from messing with the streams until
 998            we're finished changing inputs. */
 999         ivtv_mute(itv);
1000         ivtv_video_set_io(itv);
1001         ivtv_audio_set_io(itv);
1002         ivtv_unmute(itv);
1003
1004         return 0;
1005 }
1006
1007 static int ivtv_g_output(struct file *file, void *fh, unsigned int *i)
1008 {
1009         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1010
1011         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1012                 return -EINVAL;
1013
1014         *i = itv->active_output;
1015
1016         return 0;
1017 }
1018
1019 static int ivtv_s_output(struct file *file, void *fh, unsigned int outp)
1020 {
1021         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1022         struct v4l2_routing route;
1023
1024         if (outp >= itv->card->nof_outputs)
1025                 return -EINVAL;
1026
1027         if (outp == itv->active_output) {
1028                 IVTV_DEBUG_INFO("Output unchanged\n");
1029                 return 0;
1030         }
1031         IVTV_DEBUG_INFO("Changing output from %d to %d\n",
1032                    itv->active_output, outp);
1033
1034         itv->active_output = outp;
1035         route.input = SAA7127_INPUT_TYPE_NORMAL;
1036         route.output = itv->card->video_outputs[outp].video_output;
1037         ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
1038
1039         return 0;
1040 }
1041
1042 static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1043 {
1044         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1045
1046         if (vf->tuner != 0)
1047                 return -EINVAL;
1048
1049         ivtv_call_i2c_clients(itv, VIDIOC_G_FREQUENCY, vf);
1050         return 0;
1051 }
1052
1053 int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1054 {
1055         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1056
1057         if (vf->tuner != 0)
1058                 return -EINVAL;
1059
1060         ivtv_mute(itv);
1061         IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
1062         ivtv_call_i2c_clients(itv, VIDIOC_S_FREQUENCY, vf);
1063         ivtv_unmute(itv);
1064         return 0;
1065 }
1066
1067 static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
1068 {
1069         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1070
1071         *std = itv->std;
1072         return 0;
1073 }
1074
1075 int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std)
1076 {
1077         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1078         struct yuv_playback_info *yi = &itv->yuv_info;
1079
1080         if ((*std & V4L2_STD_ALL) == 0)
1081                 return -EINVAL;
1082
1083         if (*std == itv->std)
1084                 return 0;
1085
1086         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1087             atomic_read(&itv->capturing) > 0 ||
1088             atomic_read(&itv->decoding) > 0) {
1089                 /* Switching standard would turn off the radio or mess
1090                    with already running streams, prevent that by
1091                    returning EBUSY. */
1092                 return -EBUSY;
1093         }
1094
1095         itv->std = *std;
1096         itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
1097         itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1098         itv->params.width = 720;
1099         itv->params.height = itv->is_50hz ? 576 : 480;
1100         itv->vbi.count = itv->is_50hz ? 18 : 12;
1101         itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1102         itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1103
1104         if (itv->hw_flags & IVTV_HW_CX25840)
1105                 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1106
1107         IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1108
1109         /* Tuner */
1110         ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1111
1112         if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1113                 /* set display standard */
1114                 itv->std_out = *std;
1115                 itv->is_out_60hz = itv->is_60hz;
1116                 itv->is_out_50hz = itv->is_50hz;
1117                 ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1118                 ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1119                 itv->main_rect.left = itv->main_rect.top = 0;
1120                 itv->main_rect.width = 720;
1121                 itv->main_rect.height = itv->params.height;
1122                 ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1123                         720, itv->main_rect.height, 0, 0);
1124                 yi->main_rect = itv->main_rect;
1125                 if (!itv->osd_info) {
1126                         yi->osd_full_w = 720;
1127                         yi->osd_full_h = itv->is_out_50hz ? 576 : 480;
1128                 }
1129         }
1130         return 0;
1131 }
1132
1133 static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1134 {
1135         struct ivtv_open_id *id = fh;
1136         struct ivtv *itv = id->itv;
1137
1138         if (vt->index != 0)
1139                 return -EINVAL;
1140
1141         ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1142
1143         return 0;
1144 }
1145
1146 static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1147 {
1148         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1149
1150         if (vt->index != 0)
1151                 return -EINVAL;
1152
1153         ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
1154
1155         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1156                 strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
1157                 vt->type = V4L2_TUNER_RADIO;
1158         } else {
1159                 strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
1160                 vt->type = V4L2_TUNER_ANALOG_TV;
1161         }
1162
1163         return 0;
1164 }
1165
1166 static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
1167 {
1168         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1169         int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1170         int f, l;
1171
1172         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1173                 for (f = 0; f < 2; f++) {
1174                         for (l = 0; l < 24; l++) {
1175                                 if (valid_service_line(f, l, itv->is_50hz))
1176                                         cap->service_lines[f][l] = set;
1177                         }
1178                 }
1179                 return 0;
1180         }
1181         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1182                 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1183                         return -EINVAL;
1184                 if (itv->is_60hz) {
1185                         cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1186                         cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1187                 } else {
1188                         cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1189                         cap->service_lines[0][16] = V4L2_SLICED_VPS;
1190                 }
1191                 return 0;
1192         }
1193         return -EINVAL;
1194 }
1195
1196 static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx)
1197 {
1198         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1199         struct v4l2_enc_idx_entry *e = idx->entry;
1200         int entries;
1201         int i;
1202
1203         entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1204                                 IVTV_MAX_PGM_INDEX;
1205         if (entries > V4L2_ENC_IDX_ENTRIES)
1206                 entries = V4L2_ENC_IDX_ENTRIES;
1207         idx->entries = 0;
1208         for (i = 0; i < entries; i++) {
1209                 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1210                 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1211                         idx->entries++;
1212                         e++;
1213                 }
1214         }
1215         itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1216         return 0;
1217 }
1218
1219 static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1220 {
1221         struct ivtv_open_id *id = fh;
1222         struct ivtv *itv = id->itv;
1223
1224
1225         switch (enc->cmd) {
1226         case V4L2_ENC_CMD_START:
1227                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1228                 enc->flags = 0;
1229                 return ivtv_start_capture(id);
1230
1231         case V4L2_ENC_CMD_STOP:
1232                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1233                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1234                 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1235                 return 0;
1236
1237         case V4L2_ENC_CMD_PAUSE:
1238                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1239                 enc->flags = 0;
1240
1241                 if (!atomic_read(&itv->capturing))
1242                         return -EPERM;
1243                 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1244                         return 0;
1245
1246                 ivtv_mute(itv);
1247                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1248                 break;
1249
1250         case V4L2_ENC_CMD_RESUME:
1251                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1252                 enc->flags = 0;
1253
1254                 if (!atomic_read(&itv->capturing))
1255                         return -EPERM;
1256
1257                 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1258                         return 0;
1259
1260                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1261                 ivtv_unmute(itv);
1262                 break;
1263         default:
1264                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1265                 return -EINVAL;
1266         }
1267
1268         return 0;
1269 }
1270
1271 static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1272 {
1273         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1274
1275         switch (enc->cmd) {
1276         case V4L2_ENC_CMD_START:
1277                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1278                 enc->flags = 0;
1279                 return 0;
1280
1281         case V4L2_ENC_CMD_STOP:
1282                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1283                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1284                 return 0;
1285
1286         case V4L2_ENC_CMD_PAUSE:
1287                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1288                 enc->flags = 0;
1289                 return 0;
1290
1291         case V4L2_ENC_CMD_RESUME:
1292                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1293                 enc->flags = 0;
1294                 return 0;
1295         default:
1296                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1297                 return -EINVAL;
1298         }
1299 }
1300
1301 static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1302 {
1303         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1304         u32 data[CX2341X_MBOX_MAX_DATA];
1305         struct yuv_playback_info *yi = &itv->yuv_info;
1306
1307         int pixfmt;
1308         static u32 pixel_format[16] = {
1309                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */
1310                 V4L2_PIX_FMT_RGB565,
1311                 V4L2_PIX_FMT_RGB555,
1312                 V4L2_PIX_FMT_RGB444,
1313                 V4L2_PIX_FMT_RGB32,
1314                 0,
1315                 0,
1316                 0,
1317                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */
1318                 V4L2_PIX_FMT_YUV565,
1319                 V4L2_PIX_FMT_YUV555,
1320                 V4L2_PIX_FMT_YUV444,
1321                 V4L2_PIX_FMT_YUV32,
1322                 0,
1323                 0,
1324                 0,
1325         };
1326
1327         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1328                 return -EINVAL;
1329         if (!itv->osd_video_pbase)
1330                 return -EINVAL;
1331
1332         fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1333                 V4L2_FBUF_CAP_GLOBAL_ALPHA;
1334
1335         ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1336         data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1337         pixfmt = (data[0] >> 3) & 0xf;
1338
1339         fb->fmt.pixelformat = pixel_format[pixfmt];
1340         fb->fmt.width = itv->osd_rect.width;
1341         fb->fmt.height = itv->osd_rect.height;
1342         fb->fmt.field = V4L2_FIELD_INTERLACED;
1343         fb->fmt.bytesperline = fb->fmt.width;
1344         fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
1345         fb->fmt.field = V4L2_FIELD_INTERLACED;
1346         fb->fmt.priv = 0;
1347         if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8)
1348                 fb->fmt.bytesperline *= 2;
1349         if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 ||
1350             fb->fmt.pixelformat == V4L2_PIX_FMT_YUV32)
1351                 fb->fmt.bytesperline *= 2;
1352         fb->fmt.sizeimage = fb->fmt.bytesperline * fb->fmt.height;
1353         fb->base = (void *)itv->osd_video_pbase;
1354         fb->flags = 0;
1355
1356         if (itv->osd_chroma_key_state)
1357                 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1358
1359         if (itv->osd_global_alpha_state)
1360                 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1361
1362         pixfmt &= 7;
1363
1364         /* no local alpha for RGB565 or unknown formats */
1365         if (pixfmt == 1 || pixfmt > 4)
1366                 return 0;
1367
1368         /* 16-bit formats have inverted local alpha */
1369         if (pixfmt == 2 || pixfmt == 3)
1370                 fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
1371         else
1372                 fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA;
1373
1374         if (itv->osd_local_alpha_state) {
1375                 /* 16-bit formats have inverted local alpha */
1376                 if (pixfmt == 2 || pixfmt == 3)
1377                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1378                 else
1379                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1380         }
1381         if (yi->track_osd)
1382                 fb->flags |= V4L2_FBUF_FLAG_OVERLAY;
1383
1384         return 0;
1385 }
1386
1387 static int ivtv_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1388 {
1389         struct ivtv_open_id *id = fh;
1390         struct ivtv *itv = id->itv;
1391         struct yuv_playback_info *yi = &itv->yuv_info;
1392
1393         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1394                 return -EINVAL;
1395         if (!itv->osd_video_pbase)
1396                 return -EINVAL;
1397
1398         itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1399         itv->osd_local_alpha_state =
1400                 (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0;
1401         itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1402         ivtv_set_osd_alpha(itv);
1403         yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0;
1404         return ivtv_g_fbuf(file, fh, fb);
1405 }
1406
1407 static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
1408 {
1409         struct ivtv_open_id *id = fh;
1410         struct ivtv *itv = id->itv;
1411
1412         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1413                 return -EINVAL;
1414
1415         ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, on != 0);
1416
1417         return 0;
1418 }
1419
1420 static int ivtv_log_status(struct file *file, void *fh)
1421 {
1422         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1423         u32 data[CX2341X_MBOX_MAX_DATA];
1424
1425         int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1426         struct v4l2_input vidin;
1427         struct v4l2_audio audin;
1428         int i;
1429
1430         IVTV_INFO("=================  START STATUS CARD #%d  =================\n", itv->num);
1431         IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1432         if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1433                 struct tveeprom tv;
1434
1435                 ivtv_read_eeprom(itv, &tv);
1436         }
1437         ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1438         ivtv_get_input(itv, itv->active_input, &vidin);
1439         ivtv_get_audio_input(itv, itv->audio_input, &audin);
1440         IVTV_INFO("Video Input:  %s\n", vidin.name);
1441         IVTV_INFO("Audio Input:  %s%s\n", audin.name,
1442                 (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : "");
1443         if (has_output) {
1444                 struct v4l2_output vidout;
1445                 struct v4l2_audioout audout;
1446                 int mode = itv->output_mode;
1447                 static const char * const output_modes[5] = {
1448                         "None",
1449                         "MPEG Streaming",
1450                         "YUV Streaming",
1451                         "YUV Frames",
1452                         "Passthrough",
1453                 };
1454                 static const char * const audio_modes[5] = {
1455                         "Stereo",
1456                         "Left",
1457                         "Right",
1458                         "Mono",
1459                         "Swapped"
1460                 };
1461                 static const char * const alpha_mode[4] = {
1462                         "None",
1463                         "Global",
1464                         "Local",
1465                         "Global and Local"
1466                 };
1467                 static const char * const pixel_format[16] = {
1468                         "ARGB Indexed",
1469                         "RGB 5:6:5",
1470                         "ARGB 1:5:5:5",
1471                         "ARGB 1:4:4:4",
1472                         "ARGB 8:8:8:8",
1473                         "5",
1474                         "6",
1475                         "7",
1476                         "AYUV Indexed",
1477                         "YUV 5:6:5",
1478                         "AYUV 1:5:5:5",
1479                         "AYUV 1:4:4:4",
1480                         "AYUV 8:8:8:8",
1481                         "13",
1482                         "14",
1483                         "15",
1484                 };
1485
1486                 ivtv_get_output(itv, itv->active_output, &vidout);
1487                 ivtv_get_audio_output(itv, 0, &audout);
1488                 IVTV_INFO("Video Output: %s\n", vidout.name);
1489                 IVTV_INFO("Audio Output: %s (Stereo/Bilingual: %s/%s)\n", audout.name,
1490                         audio_modes[itv->audio_stereo_mode],
1491                         audio_modes[itv->audio_bilingual_mode]);
1492                 if (mode < 0 || mode > OUT_PASSTHROUGH)
1493                         mode = OUT_NONE;
1494                 IVTV_INFO("Output Mode:  %s\n", output_modes[mode]);
1495                 ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1496                 data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1497                 IVTV_INFO("Overlay:      %s, Alpha: %s, Pixel Format: %s\n",
1498                         data[0] & 1 ? "On" : "Off",
1499                         alpha_mode[(data[0] >> 1) & 0x3],
1500                         pixel_format[(data[0] >> 3) & 0xf]);
1501         }
1502         IVTV_INFO("Tuner:  %s\n",
1503                 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1504         cx2341x_log_status(&itv->params, itv->name);
1505         IVTV_INFO("Status flags:    0x%08lx\n", itv->i_flags);
1506         for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1507                 struct ivtv_stream *s = &itv->streams[i];
1508
1509                 if (s->v4l2dev == NULL || s->buffers == 0)
1510                         continue;
1511                 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1512                                 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1513                                 (s->buffers * s->buf_size) / 1024, s->buffers);
1514         }
1515
1516         IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1517         IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
1518
1519         return 0;
1520 }
1521
1522 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1523 {
1524         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1525         struct ivtv *itv = id->itv;
1526         int nonblocking = filp->f_flags & O_NONBLOCK;
1527         struct ivtv_stream *s = &itv->streams[id->type];
1528
1529         switch (cmd) {
1530         case IVTV_IOC_DMA_FRAME: {
1531                 struct ivtv_dma_frame *args = arg;
1532
1533                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1534                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1535                         return -EINVAL;
1536                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1537                         return -EINVAL;
1538                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1539                         return 0;
1540                 if (ivtv_start_decoding(id, id->type)) {
1541                         return -EBUSY;
1542                 }
1543                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1544                         ivtv_release_stream(s);
1545                         return -EBUSY;
1546                 }
1547                 /* Mark that this file handle started the UDMA_YUV mode */
1548                 id->yuv_frames = 1;
1549                 if (args->y_source == NULL)
1550                         return 0;
1551                 return ivtv_yuv_prep_frame(itv, args);
1552         }
1553
1554         case VIDEO_GET_PTS: {
1555                 u32 data[CX2341X_MBOX_MAX_DATA];
1556                 u64 *pts = arg;
1557
1558                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1559                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1560                         *pts = s->dma_pts;
1561                         break;
1562                 }
1563                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1564                         return -EINVAL;
1565
1566                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1567                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1568                                         (u64)itv->last_dec_timing[1];
1569                         break;
1570                 }
1571                 *pts = 0;
1572                 if (atomic_read(&itv->decoding)) {
1573                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1574                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1575                                 return -EIO;
1576                         }
1577                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1578                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1579                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1580                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1581                 }
1582                 break;
1583         }
1584
1585         case VIDEO_GET_FRAME_COUNT: {
1586                 u32 data[CX2341X_MBOX_MAX_DATA];
1587                 u64 *frame = arg;
1588
1589                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1590                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1591                         *frame = 0;
1592                         break;
1593                 }
1594                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1595                         return -EINVAL;
1596
1597                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1598                         *frame = itv->last_dec_timing[0];
1599                         break;
1600                 }
1601                 *frame = 0;
1602                 if (atomic_read(&itv->decoding)) {
1603                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1604                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1605                                 return -EIO;
1606                         }
1607                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1608                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1609                         *frame = data[0];
1610                 }
1611                 break;
1612         }
1613
1614         case VIDEO_PLAY: {
1615                 struct video_command vc;
1616
1617                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1618                 memset(&vc, 0, sizeof(vc));
1619                 vc.cmd = VIDEO_CMD_PLAY;
1620                 return ivtv_video_command(itv, id, &vc, 0);
1621         }
1622
1623         case VIDEO_STOP: {
1624                 struct video_command vc;
1625
1626                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1627                 memset(&vc, 0, sizeof(vc));
1628                 vc.cmd = VIDEO_CMD_STOP;
1629                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1630                 return ivtv_video_command(itv, id, &vc, 0);
1631         }
1632
1633         case VIDEO_FREEZE: {
1634                 struct video_command vc;
1635
1636                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1637                 memset(&vc, 0, sizeof(vc));
1638                 vc.cmd = VIDEO_CMD_FREEZE;
1639                 return ivtv_video_command(itv, id, &vc, 0);
1640         }
1641
1642         case VIDEO_CONTINUE: {
1643                 struct video_command vc;
1644
1645                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1646                 memset(&vc, 0, sizeof(vc));
1647                 vc.cmd = VIDEO_CMD_CONTINUE;
1648                 return ivtv_video_command(itv, id, &vc, 0);
1649         }
1650
1651         case VIDEO_COMMAND:
1652         case VIDEO_TRY_COMMAND: {
1653                 struct video_command *vc = arg;
1654                 int try = (cmd == VIDEO_TRY_COMMAND);
1655
1656                 if (try)
1657                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
1658                 else
1659                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
1660                 return ivtv_video_command(itv, id, vc, try);
1661         }
1662
1663         case VIDEO_GET_EVENT: {
1664                 struct video_event *ev = arg;
1665                 DEFINE_WAIT(wait);
1666
1667                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1668                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1669                         return -EINVAL;
1670                 memset(ev, 0, sizeof(*ev));
1671                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1672
1673                 while (1) {
1674                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1675                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1676                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1677                                 ev->type = VIDEO_EVENT_VSYNC;
1678                                 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1679                                         VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1680                                 if (itv->output_mode == OUT_UDMA_YUV &&
1681                                         (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1682                                                                 IVTV_YUV_MODE_PROGRESSIVE) {
1683                                         ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1684                                 }
1685                         }
1686                         if (ev->type)
1687                                 return 0;
1688                         if (nonblocking)
1689                                 return -EAGAIN;
1690                         /* Wait for event. Note that serialize_lock is locked,
1691                            so to allow other processes to access the driver while
1692                            we are waiting unlock first and later lock again. */
1693                         mutex_unlock(&itv->serialize_lock);
1694                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1695                         if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1696                                 schedule();
1697                         finish_wait(&itv->event_waitq, &wait);
1698                         mutex_lock(&itv->serialize_lock);
1699                         if (signal_pending(current)) {
1700                                 /* return if a signal was received */
1701                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1702                                 return -EINTR;
1703                         }
1704                 }
1705                 break;
1706         }
1707
1708         default:
1709                 return -EINVAL;
1710         }
1711         return 0;
1712 }
1713
1714 static int ivtv_default(struct file *file, void *fh, int cmd, void *arg)
1715 {
1716         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1717
1718         switch (cmd) {
1719         case VIDIOC_INT_S_AUDIO_ROUTING: {
1720                 struct v4l2_routing *route = arg;
1721
1722                 ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, route);
1723                 break;
1724         }
1725
1726         case VIDIOC_INT_RESET: {
1727                 u32 val = *(u32 *)arg;
1728
1729                 if ((val == 0 && itv->options.newi2c) || (val & 0x01))
1730                         ivtv_reset_ir_gpio(itv);
1731                 if (val & 0x02)
1732                         itv->video_dec_func(itv, cmd, NULL);
1733                 break;
1734         }
1735
1736         default:
1737                 return -EINVAL;
1738         }
1739         return 0;
1740 }
1741
1742 static int ivtv_serialized_ioctl(struct ivtv *itv, struct inode *inode, struct file *filp,
1743                 unsigned int cmd, unsigned long arg)
1744 {
1745         struct video_device *vfd = video_devdata(filp);
1746         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1747         int ret;
1748
1749         /* Filter dvb ioctls that cannot be handled by the v4l ioctl framework */
1750         switch (cmd) {
1751         case VIDEO_SELECT_SOURCE:
1752                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1753                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1754                         return -EINVAL;
1755                 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1756
1757         case AUDIO_SET_MUTE:
1758                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1759                 itv->speed_mute_audio = arg;
1760                 return 0;
1761
1762         case AUDIO_CHANNEL_SELECT:
1763                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1764                 if (arg > AUDIO_STEREO_SWAPPED)
1765                         return -EINVAL;
1766                 itv->audio_stereo_mode = arg;
1767                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1768                 return 0;
1769
1770         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1771                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1772                 if (arg > AUDIO_STEREO_SWAPPED)
1773                         return -EINVAL;
1774                 itv->audio_bilingual_mode = arg;
1775                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1776                 return 0;
1777
1778         case IVTV_IOC_DMA_FRAME:
1779         case VIDEO_GET_PTS:
1780         case VIDEO_GET_FRAME_COUNT:
1781         case VIDEO_GET_EVENT:
1782         case VIDEO_PLAY:
1783         case VIDEO_STOP:
1784         case VIDEO_FREEZE:
1785         case VIDEO_CONTINUE:
1786         case VIDEO_COMMAND:
1787         case VIDEO_TRY_COMMAND:
1788                 return ivtv_decoder_ioctls(filp, cmd, (void *)arg);
1789
1790         default:
1791                 break;
1792         }
1793
1794         /* check priority */
1795         switch (cmd) {
1796         case VIDIOC_S_CTRL:
1797         case VIDIOC_S_STD:
1798         case VIDIOC_S_INPUT:
1799         case VIDIOC_S_OUTPUT:
1800         case VIDIOC_S_TUNER:
1801         case VIDIOC_S_FREQUENCY:
1802         case VIDIOC_S_FMT:
1803         case VIDIOC_S_CROP:
1804         case VIDIOC_S_AUDIO:
1805         case VIDIOC_S_AUDOUT:
1806         case VIDIOC_S_EXT_CTRLS:
1807         case VIDIOC_S_FBUF:
1808         case VIDIOC_OVERLAY:
1809                 ret = v4l2_prio_check(&itv->prio, &id->prio);
1810                 if (ret)
1811                         return ret;
1812         }
1813
1814         if (ivtv_debug & IVTV_DBGFLG_IOCTL)
1815                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
1816         ret = video_ioctl2(inode, filp, cmd, arg);
1817         vfd->debug = 0;
1818         return ret;
1819 }
1820
1821 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1822                     unsigned long arg)
1823 {
1824         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1825         struct ivtv *itv = id->itv;
1826         int res;
1827
1828         mutex_lock(&itv->serialize_lock);
1829         res = ivtv_serialized_ioctl(itv, inode, filp, cmd, arg);
1830         mutex_unlock(&itv->serialize_lock);
1831         return res;
1832 }
1833
1834 static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
1835         .vidioc_querycap                    = ivtv_querycap,
1836         .vidioc_g_priority                  = ivtv_g_priority,
1837         .vidioc_s_priority                  = ivtv_s_priority,
1838         .vidioc_s_audio                     = ivtv_s_audio,
1839         .vidioc_g_audio                     = ivtv_g_audio,
1840         .vidioc_enumaudio                   = ivtv_enumaudio,
1841         .vidioc_s_audout                    = ivtv_s_audout,
1842         .vidioc_g_audout                    = ivtv_g_audout,
1843         .vidioc_enum_input                  = ivtv_enum_input,
1844         .vidioc_enum_output                 = ivtv_enum_output,
1845         .vidioc_enumaudout                  = ivtv_enumaudout,
1846         .vidioc_cropcap                     = ivtv_cropcap,
1847         .vidioc_s_crop                      = ivtv_s_crop,
1848         .vidioc_g_crop                      = ivtv_g_crop,
1849         .vidioc_g_input                     = ivtv_g_input,
1850         .vidioc_s_input                     = ivtv_s_input,
1851         .vidioc_g_output                    = ivtv_g_output,
1852         .vidioc_s_output                    = ivtv_s_output,
1853         .vidioc_g_frequency                 = ivtv_g_frequency,
1854         .vidioc_s_frequency                 = ivtv_s_frequency,
1855         .vidioc_s_tuner                     = ivtv_s_tuner,
1856         .vidioc_g_tuner                     = ivtv_g_tuner,
1857         .vidioc_g_enc_index                 = ivtv_g_enc_index,
1858         .vidioc_g_fbuf                      = ivtv_g_fbuf,
1859         .vidioc_s_fbuf                      = ivtv_s_fbuf,
1860         .vidioc_g_std                       = ivtv_g_std,
1861         .vidioc_s_std                       = ivtv_s_std,
1862         .vidioc_overlay                     = ivtv_overlay,
1863         .vidioc_log_status                  = ivtv_log_status,
1864         .vidioc_enum_fmt_vid_cap            = ivtv_enum_fmt_vid_cap,
1865         .vidioc_encoder_cmd                 = ivtv_encoder_cmd,
1866         .vidioc_try_encoder_cmd             = ivtv_try_encoder_cmd,
1867         .vidioc_enum_fmt_vid_out            = ivtv_enum_fmt_vid_out,
1868         .vidioc_g_fmt_vid_cap               = ivtv_g_fmt_vid_cap,
1869         .vidioc_g_fmt_vbi_cap               = ivtv_g_fmt_vbi_cap,
1870         .vidioc_g_fmt_sliced_vbi_cap        = ivtv_g_fmt_sliced_vbi_cap,
1871         .vidioc_g_fmt_vid_out               = ivtv_g_fmt_vid_out,
1872         .vidioc_g_fmt_vid_out_overlay       = ivtv_g_fmt_vid_out_overlay,
1873         .vidioc_g_fmt_sliced_vbi_out        = ivtv_g_fmt_sliced_vbi_out,
1874         .vidioc_s_fmt_vid_cap               = ivtv_s_fmt_vid_cap,
1875         .vidioc_s_fmt_vbi_cap               = ivtv_s_fmt_vbi_cap,
1876         .vidioc_s_fmt_sliced_vbi_cap        = ivtv_s_fmt_sliced_vbi_cap,
1877         .vidioc_s_fmt_vid_out               = ivtv_s_fmt_vid_out,
1878         .vidioc_s_fmt_vid_out_overlay       = ivtv_s_fmt_vid_out_overlay,
1879         .vidioc_s_fmt_sliced_vbi_out        = ivtv_s_fmt_sliced_vbi_out,
1880         .vidioc_try_fmt_vid_cap             = ivtv_try_fmt_vid_cap,
1881         .vidioc_try_fmt_vbi_cap             = ivtv_try_fmt_vbi_cap,
1882         .vidioc_try_fmt_sliced_vbi_cap      = ivtv_try_fmt_sliced_vbi_cap,
1883         .vidioc_try_fmt_vid_out             = ivtv_try_fmt_vid_out,
1884         .vidioc_try_fmt_vid_out_overlay     = ivtv_try_fmt_vid_out_overlay,
1885         .vidioc_try_fmt_sliced_vbi_out      = ivtv_try_fmt_sliced_vbi_out,
1886         .vidioc_g_sliced_vbi_cap            = ivtv_g_sliced_vbi_cap,
1887         .vidioc_g_chip_ident                = ivtv_g_chip_ident,
1888 #ifdef CONFIG_VIDEO_ADV_DEBUG
1889         .vidioc_g_register                  = ivtv_g_register,
1890         .vidioc_s_register                  = ivtv_s_register,
1891 #endif
1892         .vidioc_default                     = ivtv_default,
1893         .vidioc_queryctrl                   = ivtv_queryctrl,
1894         .vidioc_querymenu                   = ivtv_querymenu,
1895         .vidioc_g_ext_ctrls                 = ivtv_g_ext_ctrls,
1896         .vidioc_s_ext_ctrls                 = ivtv_s_ext_ctrls,
1897         .vidioc_try_ext_ctrls               = ivtv_try_ext_ctrls,
1898 };
1899
1900 void ivtv_set_funcs(struct video_device *vdev)
1901 {
1902         vdev->ioctl_ops = &ivtv_ioctl_ops;
1903 }