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->version = IVTV_DRIVER_VERSION;        /* version */
 761         vcap->capabilities = itv->v4l2_cap;         /* capabilities */
 762         return 0;
 763 }
 764
 765 static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 766 {
 767         struct ivtv *itv = fh2id(fh)->itv;
 768
 769         return ivtv_get_audio_input(itv, vin->index, vin);
 770 }
 771
 772 static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 773 {
 774         struct ivtv *itv = fh2id(fh)->itv;
 775
 776         vin->index = itv->audio_input;
 777         return ivtv_get_audio_input(itv, vin->index, vin);
 778 }
 779
 780 static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 781 {
 782         struct ivtv *itv = fh2id(fh)->itv;
 783
 784         if (vout->index >= itv->nof_audio_inputs)
 785                 return -EINVAL;
 786
 787         itv->audio_input = vout->index;
 788         ivtv_audio_set_io(itv);
 789
 790         return 0;
 791 }
 792
 793 static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin)
 794 {
 795         struct ivtv *itv = fh2id(fh)->itv;
 796
 797         /* set it to defaults from our table */
 798         return ivtv_get_audio_output(itv, vin->index, vin);
 799 }
 800
 801 static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin)
 802 {
 803         struct ivtv *itv = fh2id(fh)->itv;
 804
 805         vin->index = 0;
 806         return ivtv_get_audio_output(itv, vin->index, vin);
 807 }
 808
 809 static int ivtv_s_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
 810 {
 811         struct ivtv *itv = fh2id(fh)->itv;
 812
 813         return ivtv_get_audio_output(itv, vout->index, vout);
 814 }
 815
 816 static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 817 {
 818         struct ivtv *itv = fh2id(fh)->itv;
 819
 820         /* set it to defaults from our table */
 821         return ivtv_get_input(itv, vin->index, vin);
 822 }
 823
 824 static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout)
 825 {
 826         struct ivtv *itv = fh2id(fh)->itv;
 827
 828         return ivtv_get_output(itv, vout->index, vout);
 829 }
 830
 831 static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
 832 {
 833         struct ivtv_open_id *id = fh2id(fh);
 834         struct ivtv *itv = id->itv;
 835         struct yuv_playback_info *yi = &itv->yuv_info;
 836         int streamtype;
 837
 838         streamtype = id->type;
 839
 840         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 841                 return -EINVAL;
 842         cropcap->bounds.top = cropcap->bounds.left = 0;
 843         cropcap->bounds.width = 720;
 844         if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 845                 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
 846                 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
 847                 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
 848         } else if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 849                 if (yi->track_osd) {
 850                         cropcap->bounds.width = yi->osd_full_w;
 851                         cropcap->bounds.height = yi->osd_full_h;
 852                 } else {
 853                         cropcap->bounds.width = 720;
 854                         cropcap->bounds.height =
 855                                         itv->is_out_50hz ? 576 : 480;
 856                 }
 857                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 858                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 859         } else {
 860                 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
 861                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 862                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 863         }
 864         cropcap->defrect = cropcap->bounds;
 865         return 0;
 866 }
 867
 868 static int ivtv_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 869 {
 870         struct ivtv_open_id *id = fh2id(fh);
 871         struct ivtv *itv = id->itv;
 872         struct yuv_playback_info *yi = &itv->yuv_info;
 873         int streamtype;
 874
 875         streamtype = id->type;
 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 = fh2id(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 = fh2id(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 = fh2id(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 = fh2id(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 = fh2id(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 = fh2id(fh)->itv;
1022
1023         if (outp >= itv->card->nof_outputs)
1024                 return -EINVAL;
1025
1026         if (outp == itv->active_output) {
1027                 IVTV_DEBUG_INFO("Output unchanged\n");
1028                 return 0;
1029         }
1030         IVTV_DEBUG_INFO("Changing output from %d to %d\n",
1031                    itv->active_output, outp);
1032
1033         itv->active_output = outp;
1034         ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing,
1035                         SAA7127_INPUT_TYPE_NORMAL,
1036                         itv->card->video_outputs[outp].video_output, 0);
1037
1038         return 0;
1039 }
1040
1041 static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1042 {
1043         struct ivtv *itv = fh2id(fh)->itv;
1044
1045         if (vf->tuner != 0)
1046                 return -EINVAL;
1047
1048         ivtv_call_all(itv, tuner, g_frequency, vf);
1049         return 0;
1050 }
1051
1052 int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1053 {
1054         struct ivtv *itv = fh2id(fh)->itv;
1055
1056         if (vf->tuner != 0)
1057                 return -EINVAL;
1058
1059         ivtv_mute(itv);
1060         IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
1061         ivtv_call_all(itv, tuner, s_frequency, vf);
1062         ivtv_unmute(itv);
1063         return 0;
1064 }
1065
1066 static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
1067 {
1068         struct ivtv *itv = fh2id(fh)->itv;
1069
1070         *std = itv->std;
1071         return 0;
1072 }
1073
1074 int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std)
1075 {
1076         DEFINE_WAIT(wait);
1077         struct ivtv *itv = fh2id(fh)->itv;
1078         struct yuv_playback_info *yi = &itv->yuv_info;
1079         int f;
1080
1081         if ((*std & V4L2_STD_ALL) == 0)
1082                 return -EINVAL;
1083
1084         if (*std == itv->std)
1085                 return 0;
1086
1087         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1088             atomic_read(&itv->capturing) > 0 ||
1089             atomic_read(&itv->decoding) > 0) {
1090                 /* Switching standard would turn off the radio or mess
1091                    with already running streams, prevent that by
1092                    returning EBUSY. */
1093                 return -EBUSY;
1094         }
1095
1096         itv->std = *std;
1097         itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
1098         itv->is_50hz = !itv->is_60hz;
1099         cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1100         itv->cxhdl.width = 720;
1101         itv->cxhdl.height = itv->is_50hz ? 576 : 480;
1102         itv->vbi.count = itv->is_50hz ? 18 : 12;
1103         itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1104         itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1105
1106         if (itv->hw_flags & IVTV_HW_CX25840)
1107                 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1108
1109         IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1110
1111         /* Tuner */
1112         ivtv_call_all(itv, core, s_std, itv->std);
1113
1114         if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1115                 /* set display standard */
1116                 itv->std_out = *std;
1117                 itv->is_out_60hz = itv->is_60hz;
1118                 itv->is_out_50hz = itv->is_50hz;
1119                 ivtv_call_all(itv, video, s_std_output, itv->std_out);
1120
1121                 /*
1122                  * The next firmware call is time sensitive. Time it to
1123                  * avoid risk of a hard lock, by trying to ensure the call
1124                  * happens within the first 100 lines of the top field.
1125                  * Make 4 attempts to sync to the decoder before giving up.
1126                  */
1127                 for (f = 0; f < 4; f++) {
1128                         prepare_to_wait(&itv->vsync_waitq, &wait,
1129                                         TASK_UNINTERRUPTIBLE);
1130                         if ((read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16) < 100)
1131                                 break;
1132                         schedule_timeout(msecs_to_jiffies(25));
1133                 }
1134                 finish_wait(&itv->vsync_waitq, &wait);
1135
1136                 if (f == 4)
1137                         IVTV_WARN("Mode change failed to sync to decoder\n");
1138
1139                 ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1140                 itv->main_rect.left = itv->main_rect.top = 0;
1141                 itv->main_rect.width = 720;
1142                 itv->main_rect.height = itv->cxhdl.height;
1143                 ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1144                         720, itv->main_rect.height, 0, 0);
1145                 yi->main_rect = itv->main_rect;
1146                 if (!itv->osd_info) {
1147                         yi->osd_full_w = 720;
1148                         yi->osd_full_h = itv->is_out_50hz ? 576 : 480;
1149                 }
1150         }
1151         return 0;
1152 }
1153
1154 static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1155 {
1156         struct ivtv_open_id *id = fh2id(fh);
1157         struct ivtv *itv = id->itv;
1158
1159         if (vt->index != 0)
1160                 return -EINVAL;
1161
1162         ivtv_call_all(itv, tuner, s_tuner, vt);
1163
1164         return 0;
1165 }
1166
1167 static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1168 {
1169         struct ivtv *itv = fh2id(fh)->itv;
1170
1171         if (vt->index != 0)
1172                 return -EINVAL;
1173
1174         ivtv_call_all(itv, tuner, g_tuner, vt);
1175
1176         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1177                 strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
1178                 vt->type = V4L2_TUNER_RADIO;
1179         } else {
1180                 strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
1181                 vt->type = V4L2_TUNER_ANALOG_TV;
1182         }
1183
1184         return 0;
1185 }
1186
1187 static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
1188 {
1189         struct ivtv *itv = fh2id(fh)->itv;
1190         int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1191         int f, l;
1192
1193         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1194                 for (f = 0; f < 2; f++) {
1195                         for (l = 0; l < 24; l++) {
1196                                 if (valid_service_line(f, l, itv->is_50hz))
1197                                         cap->service_lines[f][l] = set;
1198                         }
1199                 }
1200                 return 0;
1201         }
1202         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1203                 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1204                         return -EINVAL;
1205                 if (itv->is_60hz) {
1206                         cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1207                         cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1208                 } else {
1209                         cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1210                         cap->service_lines[0][16] = V4L2_SLICED_VPS;
1211                 }
1212                 return 0;
1213         }
1214         return -EINVAL;
1215 }
1216
1217 static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx)
1218 {
1219         struct ivtv *itv = fh2id(fh)->itv;
1220         struct v4l2_enc_idx_entry *e = idx->entry;
1221         int entries;
1222         int i;
1223
1224         entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1225                                 IVTV_MAX_PGM_INDEX;
1226         if (entries > V4L2_ENC_IDX_ENTRIES)
1227                 entries = V4L2_ENC_IDX_ENTRIES;
1228         idx->entries = 0;
1229         for (i = 0; i < entries; i++) {
1230                 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1231                 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1232                         idx->entries++;
1233                         e++;
1234                 }
1235         }
1236         itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1237         return 0;
1238 }
1239
1240 static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1241 {
1242         struct ivtv_open_id *id = fh2id(fh);
1243         struct ivtv *itv = id->itv;
1244
1245
1246         switch (enc->cmd) {
1247         case V4L2_ENC_CMD_START:
1248                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1249                 enc->flags = 0;
1250                 return ivtv_start_capture(id);
1251
1252         case V4L2_ENC_CMD_STOP:
1253                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1254                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1255                 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1256                 return 0;
1257
1258         case V4L2_ENC_CMD_PAUSE:
1259                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1260                 enc->flags = 0;
1261
1262                 if (!atomic_read(&itv->capturing))
1263                         return -EPERM;
1264                 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1265                         return 0;
1266
1267                 ivtv_mute(itv);
1268                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1269                 break;
1270
1271         case V4L2_ENC_CMD_RESUME:
1272                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1273                 enc->flags = 0;
1274
1275                 if (!atomic_read(&itv->capturing))
1276                         return -EPERM;
1277
1278                 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1279                         return 0;
1280
1281                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1282                 ivtv_unmute(itv);
1283                 break;
1284         default:
1285                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1286                 return -EINVAL;
1287         }
1288
1289         return 0;
1290 }
1291
1292 static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1293 {
1294         struct ivtv *itv = fh2id(fh)->itv;
1295
1296         switch (enc->cmd) {
1297         case V4L2_ENC_CMD_START:
1298                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1299                 enc->flags = 0;
1300                 return 0;
1301
1302         case V4L2_ENC_CMD_STOP:
1303                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1304                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1305                 return 0;
1306
1307         case V4L2_ENC_CMD_PAUSE:
1308                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1309                 enc->flags = 0;
1310                 return 0;
1311
1312         case V4L2_ENC_CMD_RESUME:
1313                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1314                 enc->flags = 0;
1315                 return 0;
1316         default:
1317                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1318                 return -EINVAL;
1319         }
1320 }
1321
1322 static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1323 {
1324         struct ivtv *itv = fh2id(fh)->itv;
1325         u32 data[CX2341X_MBOX_MAX_DATA];
1326         struct yuv_playback_info *yi = &itv->yuv_info;
1327
1328         int pixfmt;
1329         static u32 pixel_format[16] = {
1330                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */
1331                 V4L2_PIX_FMT_RGB565,
1332                 V4L2_PIX_FMT_RGB555,
1333                 V4L2_PIX_FMT_RGB444,
1334                 V4L2_PIX_FMT_RGB32,
1335                 0,
1336                 0,
1337                 0,
1338                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */
1339                 V4L2_PIX_FMT_YUV565,
1340                 V4L2_PIX_FMT_YUV555,
1341                 V4L2_PIX_FMT_YUV444,
1342                 V4L2_PIX_FMT_YUV32,
1343                 0,
1344                 0,
1345                 0,
1346         };
1347
1348         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1349                 return -EINVAL;
1350         if (!itv->osd_video_pbase)
1351                 return -EINVAL;
1352
1353         fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1354                 V4L2_FBUF_CAP_GLOBAL_ALPHA;
1355
1356         ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1357         data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1358         pixfmt = (data[0] >> 3) & 0xf;
1359
1360         fb->fmt.pixelformat = pixel_format[pixfmt];
1361         fb->fmt.width = itv->osd_rect.width;
1362         fb->fmt.height = itv->osd_rect.height;
1363         fb->fmt.field = V4L2_FIELD_INTERLACED;
1364         fb->fmt.bytesperline = fb->fmt.width;
1365         fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
1366         fb->fmt.field = V4L2_FIELD_INTERLACED;
1367         fb->fmt.priv = 0;
1368         if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8)
1369                 fb->fmt.bytesperline *= 2;
1370         if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 ||
1371             fb->fmt.pixelformat == V4L2_PIX_FMT_YUV32)
1372                 fb->fmt.bytesperline *= 2;
1373         fb->fmt.sizeimage = fb->fmt.bytesperline * fb->fmt.height;
1374         fb->base = (void *)itv->osd_video_pbase;
1375         fb->flags = 0;
1376
1377         if (itv->osd_chroma_key_state)
1378                 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1379
1380         if (itv->osd_global_alpha_state)
1381                 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1382
1383         if (yi->track_osd)
1384                 fb->flags |= V4L2_FBUF_FLAG_OVERLAY;
1385
1386         pixfmt &= 7;
1387
1388         /* no local alpha for RGB565 or unknown formats */
1389         if (pixfmt == 1 || pixfmt > 4)
1390                 return 0;
1391
1392         /* 16-bit formats have inverted local alpha */
1393         if (pixfmt == 2 || pixfmt == 3)
1394                 fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
1395         else
1396                 fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA;
1397
1398         if (itv->osd_local_alpha_state) {
1399                 /* 16-bit formats have inverted local alpha */
1400                 if (pixfmt == 2 || pixfmt == 3)
1401                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1402                 else
1403                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1404         }
1405
1406         return 0;
1407 }
1408
1409 static int ivtv_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1410 {
1411         struct ivtv_open_id *id = fh2id(fh);
1412         struct ivtv *itv = id->itv;
1413         struct yuv_playback_info *yi = &itv->yuv_info;
1414
1415         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1416                 return -EINVAL;
1417         if (!itv->osd_video_pbase)
1418                 return -EINVAL;
1419
1420         itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1421         itv->osd_local_alpha_state =
1422                 (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0;
1423         itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1424         ivtv_set_osd_alpha(itv);
1425         yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0;
1426         return ivtv_g_fbuf(file, fh, fb);
1427 }
1428
1429 static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
1430 {
1431         struct ivtv_open_id *id = fh2id(fh);
1432         struct ivtv *itv = id->itv;
1433
1434         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1435                 return -EINVAL;
1436
1437         ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, on != 0);
1438
1439         return 0;
1440 }
1441
1442 static int ivtv_subscribe_event(struct v4l2_fh *fh, struct v4l2_event_subscription *sub)
1443 {
1444         switch (sub->type) {
1445         case V4L2_EVENT_VSYNC:
1446         case V4L2_EVENT_EOS:
1447                 break;
1448         default:
1449                 return -EINVAL;
1450         }
1451         return v4l2_event_subscribe(fh, sub);
1452 }
1453
1454 static int ivtv_log_status(struct file *file, void *fh)
1455 {
1456         struct ivtv *itv = fh2id(fh)->itv;
1457         u32 data[CX2341X_MBOX_MAX_DATA];
1458
1459         int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1460         struct v4l2_input vidin;
1461         struct v4l2_audio audin;
1462         int i;
1463
1464         IVTV_INFO("=================  START STATUS CARD #%d  =================\n",
1465                        itv->instance);
1466         IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1467         if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1468                 struct tveeprom tv;
1469
1470                 ivtv_read_eeprom(itv, &tv);
1471         }
1472         ivtv_call_all(itv, core, log_status);
1473         ivtv_get_input(itv, itv->active_input, &vidin);
1474         ivtv_get_audio_input(itv, itv->audio_input, &audin);
1475         IVTV_INFO("Video Input:  %s\n", vidin.name);
1476         IVTV_INFO("Audio Input:  %s%s\n", audin.name,
1477                 (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : "");
1478         if (has_output) {
1479                 struct v4l2_output vidout;
1480                 struct v4l2_audioout audout;
1481                 int mode = itv->output_mode;
1482                 static const char * const output_modes[5] = {
1483                         "None",
1484                         "MPEG Streaming",
1485                         "YUV Streaming",
1486                         "YUV Frames",
1487                         "Passthrough",
1488                 };
1489                 static const char * const audio_modes[5] = {
1490                         "Stereo",
1491                         "Left",
1492                         "Right",
1493                         "Mono",
1494                         "Swapped"
1495                 };
1496                 static const char * const alpha_mode[4] = {
1497                         "None",
1498                         "Global",
1499                         "Local",
1500                         "Global and Local"
1501                 };
1502                 static const char * const pixel_format[16] = {
1503                         "ARGB Indexed",
1504                         "RGB 5:6:5",
1505                         "ARGB 1:5:5:5",
1506                         "ARGB 1:4:4:4",
1507                         "ARGB 8:8:8:8",
1508                         "5",
1509                         "6",
1510                         "7",
1511                         "AYUV Indexed",
1512                         "YUV 5:6:5",
1513                         "AYUV 1:5:5:5",
1514                         "AYUV 1:4:4:4",
1515                         "AYUV 8:8:8:8",
1516                         "13",
1517                         "14",
1518                         "15",
1519                 };
1520
1521                 ivtv_get_output(itv, itv->active_output, &vidout);
1522                 ivtv_get_audio_output(itv, 0, &audout);
1523                 IVTV_INFO("Video Output: %s\n", vidout.name);
1524                 IVTV_INFO("Audio Output: %s (Stereo/Bilingual: %s/%s)\n", audout.name,
1525                         audio_modes[itv->audio_stereo_mode],
1526                         audio_modes[itv->audio_bilingual_mode]);
1527                 if (mode < 0 || mode > OUT_PASSTHROUGH)
1528                         mode = OUT_NONE;
1529                 IVTV_INFO("Output Mode:  %s\n", output_modes[mode]);
1530                 ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1531                 data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1532                 IVTV_INFO("Overlay:      %s, Alpha: %s, Pixel Format: %s\n",
1533                         data[0] & 1 ? "On" : "Off",
1534                         alpha_mode[(data[0] >> 1) & 0x3],
1535                         pixel_format[(data[0] >> 3) & 0xf]);
1536         }
1537         IVTV_INFO("Tuner:  %s\n",
1538                 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1539         v4l2_ctrl_handler_log_status(&itv->cxhdl.hdl, itv->v4l2_dev.name);
1540         IVTV_INFO("Status flags:    0x%08lx\n", itv->i_flags);
1541         for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1542                 struct ivtv_stream *s = &itv->streams[i];
1543
1544                 if (s->vdev == NULL || s->buffers == 0)
1545                         continue;
1546                 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1547                                 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1548                                 (s->buffers * s->buf_size) / 1024, s->buffers);
1549         }
1550
1551         IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n",
1552                         (long long)itv->mpg_data_received,
1553                         (long long)itv->vbi_data_inserted);
1554         IVTV_INFO("==================  END STATUS CARD #%d  ==================\n",
1555                         itv->instance);
1556
1557         return 0;
1558 }
1559
1560 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1561 {
1562         struct ivtv_open_id *id = fh2id(filp->private_data);
1563         struct ivtv *itv = id->itv;
1564         int nonblocking = filp->f_flags & O_NONBLOCK;
1565         struct ivtv_stream *s = &itv->streams[id->type];
1566         unsigned long iarg = (unsigned long)arg;
1567
1568         switch (cmd) {
1569         case IVTV_IOC_DMA_FRAME: {
1570                 struct ivtv_dma_frame *args = arg;
1571
1572                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1573                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1574                         return -EINVAL;
1575                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1576                         return -EINVAL;
1577                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1578                         return 0;
1579                 if (ivtv_start_decoding(id, id->type)) {
1580                         return -EBUSY;
1581                 }
1582                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1583                         ivtv_release_stream(s);
1584                         return -EBUSY;
1585                 }
1586                 /* Mark that this file handle started the UDMA_YUV mode */
1587                 id->yuv_frames = 1;
1588                 if (args->y_source == NULL)
1589                         return 0;
1590                 return ivtv_yuv_prep_frame(itv, args);
1591         }
1592
1593         case VIDEO_GET_PTS: {
1594                 u32 data[CX2341X_MBOX_MAX_DATA];
1595                 u64 *pts = arg;
1596
1597                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1598                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1599                         *pts = s->dma_pts;
1600                         break;
1601                 }
1602                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1603                         return -EINVAL;
1604
1605                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1606                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1607                                         (u64)itv->last_dec_timing[1];
1608                         break;
1609                 }
1610                 *pts = 0;
1611                 if (atomic_read(&itv->decoding)) {
1612                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1613                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1614                                 return -EIO;
1615                         }
1616                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1617                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1618                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1619                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1620                 }
1621                 break;
1622         }
1623
1624         case VIDEO_GET_FRAME_COUNT: {
1625                 u32 data[CX2341X_MBOX_MAX_DATA];
1626                 u64 *frame = arg;
1627
1628                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1629                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1630                         *frame = 0;
1631                         break;
1632                 }
1633                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1634                         return -EINVAL;
1635
1636                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1637                         *frame = itv->last_dec_timing[0];
1638                         break;
1639                 }
1640                 *frame = 0;
1641                 if (atomic_read(&itv->decoding)) {
1642                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1643                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1644                                 return -EIO;
1645                         }
1646                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1647                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1648                         *frame = data[0];
1649                 }
1650                 break;
1651         }
1652
1653         case VIDEO_PLAY: {
1654                 struct video_command vc;
1655
1656                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1657                 memset(&vc, 0, sizeof(vc));
1658                 vc.cmd = VIDEO_CMD_PLAY;
1659                 return ivtv_video_command(itv, id, &vc, 0);
1660         }
1661
1662         case VIDEO_STOP: {
1663                 struct video_command vc;
1664
1665                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1666                 memset(&vc, 0, sizeof(vc));
1667                 vc.cmd = VIDEO_CMD_STOP;
1668                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1669                 return ivtv_video_command(itv, id, &vc, 0);
1670         }
1671
1672         case VIDEO_FREEZE: {
1673                 struct video_command vc;
1674
1675                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1676                 memset(&vc, 0, sizeof(vc));
1677                 vc.cmd = VIDEO_CMD_FREEZE;
1678                 return ivtv_video_command(itv, id, &vc, 0);
1679         }
1680
1681         case VIDEO_CONTINUE: {
1682                 struct video_command vc;
1683
1684                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1685                 memset(&vc, 0, sizeof(vc));
1686                 vc.cmd = VIDEO_CMD_CONTINUE;
1687                 return ivtv_video_command(itv, id, &vc, 0);
1688         }
1689
1690         case VIDEO_COMMAND:
1691         case VIDEO_TRY_COMMAND: {
1692                 struct video_command *vc = arg;
1693                 int try = (cmd == VIDEO_TRY_COMMAND);
1694
1695                 if (try)
1696                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
1697                 else
1698                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
1699                 return ivtv_video_command(itv, id, vc, try);
1700         }
1701
1702         case VIDEO_GET_EVENT: {
1703                 struct video_event *ev = arg;
1704                 DEFINE_WAIT(wait);
1705
1706                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1707                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1708                         return -EINVAL;
1709                 memset(ev, 0, sizeof(*ev));
1710                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1711
1712                 while (1) {
1713                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1714                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1715                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1716                                 ev->type = VIDEO_EVENT_VSYNC;
1717                                 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1718                                         VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1719                                 if (itv->output_mode == OUT_UDMA_YUV &&
1720                                         (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1721                                                                 IVTV_YUV_MODE_PROGRESSIVE) {
1722                                         ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1723                                 }
1724                         }
1725                         if (ev->type)
1726                                 return 0;
1727                         if (nonblocking)
1728                                 return -EAGAIN;
1729                         /* Wait for event. Note that serialize_lock is locked,
1730                            so to allow other processes to access the driver while
1731                            we are waiting unlock first and later lock again. */
1732                         mutex_unlock(&itv->serialize_lock);
1733                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1734                         if (!test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags) &&
1735                             !test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags))
1736                                 schedule();
1737                         finish_wait(&itv->event_waitq, &wait);
1738                         mutex_lock(&itv->serialize_lock);
1739                         if (signal_pending(current)) {
1740                                 /* return if a signal was received */
1741                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1742                                 return -EINTR;
1743                         }
1744                 }
1745                 break;
1746         }
1747
1748         case VIDEO_SELECT_SOURCE:
1749                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1750                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1751                         return -EINVAL;
1752                 return ivtv_passthrough_mode(itv, iarg == VIDEO_SOURCE_DEMUX);
1753
1754         case AUDIO_SET_MUTE:
1755                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1756                 itv->speed_mute_audio = iarg;
1757                 return 0;
1758
1759         case AUDIO_CHANNEL_SELECT:
1760                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1761                 if (iarg > AUDIO_STEREO_SWAPPED)
1762                         return -EINVAL;
1763                 itv->audio_stereo_mode = iarg;
1764                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1765                 return 0;
1766
1767         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1768                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1769                 if (iarg > AUDIO_STEREO_SWAPPED)
1770                         return -EINVAL;
1771                 itv->audio_bilingual_mode = iarg;
1772                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1773                 return 0;
1774
1775         default:
1776                 return -EINVAL;
1777         }
1778         return 0;
1779 }
1780
1781 static long ivtv_default(struct file *file, void *fh, bool valid_prio,
1782                          int cmd, void *arg)
1783 {
1784         struct ivtv *itv = fh2id(fh)->itv;
1785
1786         if (!valid_prio) {
1787                 switch (cmd) {
1788                 case VIDEO_PLAY:
1789                 case VIDEO_STOP:
1790                 case VIDEO_FREEZE:
1791                 case VIDEO_CONTINUE:
1792                 case VIDEO_COMMAND:
1793                 case VIDEO_SELECT_SOURCE:
1794                 case AUDIO_SET_MUTE:
1795                 case AUDIO_CHANNEL_SELECT:
1796                 case AUDIO_BILINGUAL_CHANNEL_SELECT:
1797                         return -EBUSY;
1798                 }
1799         }
1800
1801         switch (cmd) {
1802         case VIDIOC_INT_RESET: {
1803                 u32 val = *(u32 *)arg;
1804
1805                 if ((val == 0 && itv->options.newi2c) || (val & 0x01))
1806                         ivtv_reset_ir_gpio(itv);
1807                 if (val & 0x02)
1808                         v4l2_subdev_call(itv->sd_video, core, reset, 0);
1809                 break;
1810         }
1811
1812         case IVTV_IOC_DMA_FRAME:
1813         case VIDEO_GET_PTS:
1814         case VIDEO_GET_FRAME_COUNT:
1815         case VIDEO_GET_EVENT:
1816         case VIDEO_PLAY:
1817         case VIDEO_STOP:
1818         case VIDEO_FREEZE:
1819         case VIDEO_CONTINUE:
1820         case VIDEO_COMMAND:
1821         case VIDEO_TRY_COMMAND:
1822         case VIDEO_SELECT_SOURCE:
1823         case AUDIO_SET_MUTE:
1824         case AUDIO_CHANNEL_SELECT:
1825         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1826                 return ivtv_decoder_ioctls(file, cmd, (void *)arg);
1827
1828         default:
1829                 return -EINVAL;
1830         }
1831         return 0;
1832 }
1833
1834 static long ivtv_serialized_ioctl(struct ivtv *itv, struct file *filp,
1835                 unsigned int cmd, unsigned long arg)
1836 {
1837         struct video_device *vfd = video_devdata(filp);
1838         long ret;
1839
1840         if (ivtv_debug & IVTV_DBGFLG_IOCTL)
1841                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
1842         ret = video_ioctl2(filp, cmd, arg);
1843         vfd->debug = 0;
1844         return ret;
1845 }
1846
1847 long ivtv_v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
1848 {
1849         struct ivtv_open_id *id = fh2id(filp->private_data);
1850         struct ivtv *itv = id->itv;
1851         long res;
1852
1853         /* DQEVENT can block, so this should not run with the serialize lock */
1854         if (cmd == VIDIOC_DQEVENT)
1855                 return ivtv_serialized_ioctl(itv, filp, cmd, arg);
1856         mutex_lock(&itv->serialize_lock);
1857         res = ivtv_serialized_ioctl(itv, filp, cmd, arg);
1858         mutex_unlock(&itv->serialize_lock);
1859         return res;
1860 }
1861
1862 static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
1863         .vidioc_querycap                    = ivtv_querycap,
1864         .vidioc_s_audio                     = ivtv_s_audio,
1865         .vidioc_g_audio                     = ivtv_g_audio,
1866         .vidioc_enumaudio                   = ivtv_enumaudio,
1867         .vidioc_s_audout                    = ivtv_s_audout,
1868         .vidioc_g_audout                    = ivtv_g_audout,
1869         .vidioc_enum_input                  = ivtv_enum_input,
1870         .vidioc_enum_output                 = ivtv_enum_output,
1871         .vidioc_enumaudout                  = ivtv_enumaudout,
1872         .vidioc_cropcap                     = ivtv_cropcap,
1873         .vidioc_s_crop                      = ivtv_s_crop,
1874         .vidioc_g_crop                      = ivtv_g_crop,
1875         .vidioc_g_input                     = ivtv_g_input,
1876         .vidioc_s_input                     = ivtv_s_input,
1877         .vidioc_g_output                    = ivtv_g_output,
1878         .vidioc_s_output                    = ivtv_s_output,
1879         .vidioc_g_frequency                 = ivtv_g_frequency,
1880         .vidioc_s_frequency                 = ivtv_s_frequency,
1881         .vidioc_s_tuner                     = ivtv_s_tuner,
1882         .vidioc_g_tuner                     = ivtv_g_tuner,
1883         .vidioc_g_enc_index                 = ivtv_g_enc_index,
1884         .vidioc_g_fbuf                      = ivtv_g_fbuf,
1885         .vidioc_s_fbuf                      = ivtv_s_fbuf,
1886         .vidioc_g_std                       = ivtv_g_std,
1887         .vidioc_s_std                       = ivtv_s_std,
1888         .vidioc_overlay                     = ivtv_overlay,
1889         .vidioc_log_status                  = ivtv_log_status,
1890         .vidioc_enum_fmt_vid_cap            = ivtv_enum_fmt_vid_cap,
1891         .vidioc_encoder_cmd                 = ivtv_encoder_cmd,
1892         .vidioc_try_encoder_cmd             = ivtv_try_encoder_cmd,
1893         .vidioc_enum_fmt_vid_out            = ivtv_enum_fmt_vid_out,
1894         .vidioc_g_fmt_vid_cap               = ivtv_g_fmt_vid_cap,
1895         .vidioc_g_fmt_vbi_cap               = ivtv_g_fmt_vbi_cap,
1896         .vidioc_g_fmt_sliced_vbi_cap        = ivtv_g_fmt_sliced_vbi_cap,
1897         .vidioc_g_fmt_vid_out               = ivtv_g_fmt_vid_out,
1898         .vidioc_g_fmt_vid_out_overlay       = ivtv_g_fmt_vid_out_overlay,
1899         .vidioc_g_fmt_sliced_vbi_out        = ivtv_g_fmt_sliced_vbi_out,
1900         .vidioc_s_fmt_vid_cap               = ivtv_s_fmt_vid_cap,
1901         .vidioc_s_fmt_vbi_cap               = ivtv_s_fmt_vbi_cap,
1902         .vidioc_s_fmt_sliced_vbi_cap        = ivtv_s_fmt_sliced_vbi_cap,
1903         .vidioc_s_fmt_vid_out               = ivtv_s_fmt_vid_out,
1904         .vidioc_s_fmt_vid_out_overlay       = ivtv_s_fmt_vid_out_overlay,
1905         .vidioc_s_fmt_sliced_vbi_out        = ivtv_s_fmt_sliced_vbi_out,
1906         .vidioc_try_fmt_vid_cap             = ivtv_try_fmt_vid_cap,
1907         .vidioc_try_fmt_vbi_cap             = ivtv_try_fmt_vbi_cap,
1908         .vidioc_try_fmt_sliced_vbi_cap      = ivtv_try_fmt_sliced_vbi_cap,
1909         .vidioc_try_fmt_vid_out             = ivtv_try_fmt_vid_out,
1910         .vidioc_try_fmt_vid_out_overlay     = ivtv_try_fmt_vid_out_overlay,
1911         .vidioc_try_fmt_sliced_vbi_out      = ivtv_try_fmt_sliced_vbi_out,
1912         .vidioc_g_sliced_vbi_cap            = ivtv_g_sliced_vbi_cap,
1913         .vidioc_g_chip_ident                = ivtv_g_chip_ident,
1914 #ifdef CONFIG_VIDEO_ADV_DEBUG
1915         .vidioc_g_register                  = ivtv_g_register,
1916         .vidioc_s_register                  = ivtv_s_register,
1917 #endif
1918         .vidioc_default                     = ivtv_default,
1919         .vidioc_subscribe_event             = ivtv_subscribe_event,
1920         .vidioc_unsubscribe_event           = v4l2_event_unsubscribe,
1921 };
1922
1923 void ivtv_set_funcs(struct video_device *vdev)
1924 {
1925         vdev->ioctl_ops = &ivtv_ioctl_ops;
1926 }