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 int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
 105 {
 106         int f, l;
 107         u16 set = 0;
 108
 109         for (f = 0; f < 2; f++) {
 110                 for (l = 0; l < 24; l++) {
 111                         fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
 112                         set |= fmt->service_lines[f][l];
 113                 }
 114         }
 115         return set != 0;
 116 }
 117
 118 u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt)
 119 {
 120         int f, l;
 121         u16 set = 0;
 122
 123         for (f = 0; f < 2; f++) {
 124                 for (l = 0; l < 24; l++) {
 125                         set |= fmt->service_lines[f][l];
 126                 }
 127         }
 128         return set;
 129 }
 130
 131 void ivtv_set_osd_alpha(struct ivtv *itv)
 132 {
 133         ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3,
 134                 itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state);
 135         ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2, itv->osd_chroma_key_state, itv->osd_chroma_key);
 136 }
 137
 138 int ivtv_set_speed(struct ivtv *itv, int speed)
 139 {
 140         u32 data[CX2341X_MBOX_MAX_DATA];
 141         struct ivtv_stream *s;
 142         int single_step = (speed == 1 || speed == -1);
 143         DEFINE_WAIT(wait);
 144
 145         if (speed == 0) speed = 1000;
 146
 147         /* No change? */
 148         if (speed == itv->speed && !single_step)
 149                 return 0;
 150
 151         s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
 152
 153         if (single_step && (speed < 0) == (itv->speed < 0)) {
 154                 /* Single step video and no need to change direction */
 155                 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
 156                 itv->speed = speed;
 157                 return 0;
 158         }
 159         if (single_step)
 160                 /* Need to change direction */
 161                 speed = speed < 0 ? -1000 : 1000;
 162
 163         data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0;
 164         data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0;
 165         data[1] = (speed < 0);
 166         data[2] = speed < 0 ? 3 : 7;
 167         data[3] = itv->params.video_b_frames;
 168         data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0;
 169         data[5] = 0;
 170         data[6] = 0;
 171
 172         if (speed == 1500 || speed == -1500) data[0] |= 1;
 173         else if (speed == 2000 || speed == -2000) data[0] |= 2;
 174         else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed);
 175         else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed);
 176
 177         /* If not decoding, just change speed setting */
 178         if (atomic_read(&itv->decoding) > 0) {
 179                 int got_sig = 0;
 180
 181                 /* Stop all DMA and decoding activity */
 182                 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, 0);
 183
 184                 /* Wait for any DMA to finish */
 185                 prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
 186                 while (itv->i_flags & IVTV_F_I_DMA) {
 187                         got_sig = signal_pending(current);
 188                         if (got_sig)
 189                                 break;
 190                         got_sig = 0;
 191                         schedule();
 192                 }
 193                 finish_wait(&itv->dma_waitq, &wait);
 194                 if (got_sig)
 195                         return -EINTR;
 196
 197                 /* Change Speed safely */
 198                 ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7, data);
 199                 IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
 200                                 data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
 201         }
 202         if (single_step) {
 203                 speed = (speed < 0) ? -1 : 1;
 204                 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
 205         }
 206         itv->speed = speed;
 207         return 0;
 208 }
 209
 210 static int ivtv_validate_speed(int cur_speed, int new_speed)
 211 {
 212         int fact = new_speed < 0 ? -1 : 1;
 213         int s;
 214
 215         if (cur_speed == 0)
 216                 cur_speed = 1000;
 217         if (new_speed < 0)
 218                 new_speed = -new_speed;
 219         if (cur_speed < 0)
 220                 cur_speed = -cur_speed;
 221
 222         if (cur_speed <= new_speed) {
 223                 if (new_speed > 1500)
 224                         return fact * 2000;
 225                 if (new_speed > 1000)
 226                         return fact * 1500;
 227         }
 228         else {
 229                 if (new_speed >= 2000)
 230                         return fact * 2000;
 231                 if (new_speed >= 1500)
 232                         return fact * 1500;
 233                 if (new_speed >= 1000)
 234                         return fact * 1000;
 235         }
 236         if (new_speed == 0)
 237                 return 1000;
 238         if (new_speed == 1 || new_speed == 1000)
 239                 return fact * new_speed;
 240
 241         s = new_speed;
 242         new_speed = 1000 / new_speed;
 243         if (1000 / cur_speed == new_speed)
 244                 new_speed += (cur_speed < s) ? -1 : 1;
 245         if (new_speed > 60) return 1000 / (fact * 60);
 246         return 1000 / (fact * new_speed);
 247 }
 248
 249 static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
 250                 struct video_command *vc, int try)
 251 {
 252         struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
 253
 254         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 255                 return -EINVAL;
 256
 257         switch (vc->cmd) {
 258         case VIDEO_CMD_PLAY: {
 259                 vc->flags = 0;
 260                 vc->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed);
 261                 if (vc->play.speed < 0)
 262                         vc->play.format = VIDEO_PLAY_FMT_GOP;
 263                 if (try) break;
 264
 265                 if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
 266                         return -EBUSY;
 267                 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
 268                         /* forces ivtv_set_speed to be called */
 269                         itv->speed = 0;
 270                 }
 271                 return ivtv_start_decoding(id, vc->play.speed);
 272         }
 273
 274         case VIDEO_CMD_STOP:
 275                 vc->flags &= VIDEO_CMD_STOP_IMMEDIATELY|VIDEO_CMD_STOP_TO_BLACK;
 276                 if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY)
 277                         vc->stop.pts = 0;
 278                 if (try) break;
 279                 if (atomic_read(&itv->decoding) == 0)
 280                         return 0;
 281                 if (itv->output_mode != OUT_MPG)
 282                         return -EBUSY;
 283
 284                 itv->output_mode = OUT_NONE;
 285                 return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts);
 286
 287         case VIDEO_CMD_FREEZE:
 288                 vc->flags &= VIDEO_CMD_FREEZE_TO_BLACK;
 289                 if (try) break;
 290                 if (itv->output_mode != OUT_MPG)
 291                         return -EBUSY;
 292                 if (atomic_read(&itv->decoding) > 0) {
 293                         ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
 294                                 (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
 295                         set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
 296                 }
 297                 break;
 298
 299         case VIDEO_CMD_CONTINUE:
 300                 vc->flags = 0;
 301                 if (try) break;
 302                 if (itv->output_mode != OUT_MPG)
 303                         return -EBUSY;
 304                 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
 305                         int speed = itv->speed;
 306                         itv->speed = 0;
 307                         return ivtv_start_decoding(id, speed);
 308                 }
 309                 break;
 310
 311         default:
 312                 return -EINVAL;
 313         }
 314         return 0;
 315 }
 316
 317 static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
 318 {
 319         struct v4l2_register *regs = arg;
 320         unsigned long flags;
 321         volatile u8 __iomem *reg_start;
 322
 323         if (!capable(CAP_SYS_ADMIN))
 324                 return -EPERM;
 325         if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
 326                 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
 327         else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
 328                         regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
 329                 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
 330         else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE)
 331                 reg_start = itv->enc_mem;
 332         else
 333                 return -EINVAL;
 334
 335         spin_lock_irqsave(&ivtv_cards_lock, flags);
 336         if (cmd == VIDIOC_DBG_G_REGISTER) {
 337                 regs->val = readl(regs->reg + reg_start);
 338         } else {
 339                 writel(regs->val, regs->reg + reg_start);
 340         }
 341         spin_unlock_irqrestore(&ivtv_cards_lock, flags);
 342         return 0;
 343 }
 344
 345 static int ivtv_g_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 346 {
 347         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 348         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 349
 350         vbifmt->reserved[0] = 0;
 351         vbifmt->reserved[1] = 0;
 352         if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
 353                 return -EINVAL;
 354         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 355         if (itv->is_60hz) {
 356                 vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
 357                 vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
 358         } else {
 359                 vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
 360                 vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
 361         }
 362         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 363         return 0;
 364 }
 365
 366 static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 367 {
 368         struct ivtv_open_id *id = fh;
 369         struct ivtv *itv = id->itv;
 370         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 371
 372         pixfmt->width = itv->params.width;
 373         pixfmt->height = itv->params.height;
 374         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 375         pixfmt->field = V4L2_FIELD_INTERLACED;
 376         pixfmt->priv = 0;
 377         if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
 378                 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
 379                 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 380                 pixfmt->sizeimage =
 381                         pixfmt->height * pixfmt->width +
 382                         pixfmt->height * (pixfmt->width / 2);
 383                 pixfmt->bytesperline = 720;
 384         } else {
 385                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 386                 pixfmt->sizeimage = 128 * 1024;
 387                 pixfmt->bytesperline = 0;
 388         }
 389         return 0;
 390 }
 391
 392 static int ivtv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 393 {
 394         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 395         struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
 396
 397         vbifmt->sampling_rate = 27000000;
 398         vbifmt->offset = 248;
 399         vbifmt->samples_per_line = itv->vbi.raw_decoder_line_size - 4;
 400         vbifmt->sample_format = V4L2_PIX_FMT_GREY;
 401         vbifmt->start[0] = itv->vbi.start[0];
 402         vbifmt->start[1] = itv->vbi.start[1];
 403         vbifmt->count[0] = vbifmt->count[1] = itv->vbi.count;
 404         vbifmt->flags = 0;
 405         vbifmt->reserved[0] = 0;
 406         vbifmt->reserved[1] = 0;
 407         return 0;
 408 }
 409
 410 static int ivtv_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 411 {
 412         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 413         struct ivtv_open_id *id = fh;
 414         struct ivtv *itv = id->itv;
 415
 416         vbifmt->reserved[0] = 0;
 417         vbifmt->reserved[1] = 0;
 418         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 419
 420         if (id->type == IVTV_DEC_STREAM_TYPE_VBI) {
 421                 vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
 422                         V4L2_SLICED_VBI_525;
 423                 ivtv_expand_service_set(vbifmt, itv->is_50hz);
 424                 return 0;
 425         }
 426
 427         itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
 428         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 429         return 0;
 430 }
 431
 432 static int ivtv_g_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 433 {
 434         struct ivtv_open_id *id = fh;
 435         struct ivtv *itv = id->itv;
 436         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 437
 438         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 439                 return -EINVAL;
 440         pixfmt->width = itv->main_rect.width;
 441         pixfmt->height = itv->main_rect.height;
 442         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 443         pixfmt->field = V4L2_FIELD_INTERLACED;
 444         pixfmt->priv = 0;
 445         if (id->type == IVTV_DEC_STREAM_TYPE_YUV) {
 446                 switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
 447                 case IVTV_YUV_MODE_INTERLACED:
 448                         pixfmt->field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
 449                                 V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
 450                         break;
 451                 case IVTV_YUV_MODE_PROGRESSIVE:
 452                         pixfmt->field = V4L2_FIELD_NONE;
 453                         break;
 454                 default:
 455                         pixfmt->field = V4L2_FIELD_ANY;
 456                         break;
 457                 }
 458                 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
 459                 pixfmt->bytesperline = 720;
 460                 pixfmt->width = itv->yuv_info.v4l2_src_w;
 461                 pixfmt->height = itv->yuv_info.v4l2_src_h;
 462                 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 463                 pixfmt->sizeimage =
 464                         1080 * ((pixfmt->height + 31) & ~31);
 465         } else {
 466                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 467                 pixfmt->sizeimage = 128 * 1024;
 468                 pixfmt->bytesperline = 0;
 469         }
 470         return 0;
 471 }
 472
 473 static int ivtv_g_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 474 {
 475         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 476         struct v4l2_window *winfmt = &fmt->fmt.win;
 477
 478         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 479                 return -EINVAL;
 480         winfmt->chromakey = itv->osd_chroma_key;
 481         winfmt->global_alpha = itv->osd_global_alpha;
 482         winfmt->field = V4L2_FIELD_INTERLACED;
 483         winfmt->clips = NULL;
 484         winfmt->clipcount = 0;
 485         winfmt->bitmap = NULL;
 486         winfmt->w.top = winfmt->w.left = 0;
 487         winfmt->w.width = itv->osd_rect.width;
 488         winfmt->w.height = itv->osd_rect.height;
 489         return 0;
 490 }
 491
 492 static int ivtv_try_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 493 {
 494         return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
 495 }
 496
 497 static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 498 {
 499         struct ivtv_open_id *id = fh;
 500         struct ivtv *itv = id->itv;
 501         int w = fmt->fmt.pix.width;
 502         int h = fmt->fmt.pix.height;
 503
 504         w = min(w, 720);
 505         w = max(w, 1);
 506         h = min(h, itv->is_50hz ? 576 : 480);
 507         h = max(h, 2);
 508         ivtv_g_fmt_vid_cap(file, fh, fmt);
 509         fmt->fmt.pix.width = w;
 510         fmt->fmt.pix.height = h;
 511         return 0;
 512 }
 513
 514 static int ivtv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 515 {
 516         return ivtv_g_fmt_vbi_cap(file, fh, fmt);
 517 }
 518
 519 static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 520 {
 521         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 522         struct ivtv_open_id *id = fh;
 523         struct ivtv *itv = id->itv;
 524
 525         if (id->type == IVTV_DEC_STREAM_TYPE_VBI)
 526                 return ivtv_g_fmt_sliced_vbi_cap(file, fh, fmt);
 527
 528         /* set sliced VBI capture format */
 529         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 530         vbifmt->reserved[0] = 0;
 531         vbifmt->reserved[1] = 0;
 532
 533         if (vbifmt->service_set)
 534                 ivtv_expand_service_set(vbifmt, itv->is_50hz);
 535         check_service_set(vbifmt, itv->is_50hz);
 536         vbifmt->service_set = ivtv_get_service_set(vbifmt);
 537         return 0;
 538 }
 539
 540 static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 541 {
 542         struct ivtv_open_id *id = fh;
 543         s32 w, h;
 544         int field;
 545         int ret;
 546
 547         w = fmt->fmt.pix.width;
 548         h = fmt->fmt.pix.height;
 549         field = fmt->fmt.pix.field;
 550         ret = ivtv_g_fmt_vid_out(file, fh, fmt);
 551         fmt->fmt.pix.width = w;
 552         fmt->fmt.pix.height = h;
 553         if (!ret && id->type == IVTV_DEC_STREAM_TYPE_YUV) {
 554                 fmt->fmt.pix.field = field;
 555                 if (fmt->fmt.pix.width < 2)
 556                         fmt->fmt.pix.width = 2;
 557                 if (fmt->fmt.pix.width > 720)
 558                         fmt->fmt.pix.width = 720;
 559                 if (fmt->fmt.pix.height < 2)
 560                         fmt->fmt.pix.height = 2;
 561                 if (fmt->fmt.pix.height > 576)
 562                         fmt->fmt.pix.height = 576;
 563         }
 564         return ret;
 565 }
 566
 567 static int ivtv_try_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 568 {
 569         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 570         u32 chromakey = fmt->fmt.win.chromakey;
 571         u8 global_alpha = fmt->fmt.win.global_alpha;
 572
 573         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 574                 return -EINVAL;
 575         ivtv_g_fmt_vid_out_overlay(file, fh, fmt);
 576         fmt->fmt.win.chromakey = chromakey;
 577         fmt->fmt.win.global_alpha = global_alpha;
 578         return 0;
 579 }
 580
 581 static int ivtv_s_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
 582 {
 583         return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
 584 }
 585
 586 static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 587 {
 588         struct ivtv_open_id *id = fh;
 589         struct ivtv *itv = id->itv;
 590         struct cx2341x_mpeg_params *p = &itv->params;
 591         int w = fmt->fmt.pix.width;
 592         int h = fmt->fmt.pix.height;
 593         int ret = ivtv_try_fmt_vid_cap(file, fh, fmt);
 594
 595         if (ret)
 596                 return ret;
 597
 598         if (p->width == w && p->height == h)
 599                 return 0;
 600
 601         if (atomic_read(&itv->capturing) > 0)
 602                 return -EBUSY;
 603
 604         p->width = w;
 605         p->height = h;
 606         if (w != 720 || h != (itv->is_50hz ? 576 : 480))
 607                 p->video_temporal_filter = 0;
 608         else
 609                 p->video_temporal_filter = 8;
 610         if (p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
 611                 fmt->fmt.pix.width /= 2;
 612         itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 613         return ivtv_g_fmt_vid_cap(file, fh, fmt);
 614 }
 615
 616 static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 617 {
 618         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 619
 620         itv->vbi.sliced_in->service_set = 0;
 621         itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);
 622         return ivtv_g_fmt_vbi_cap(file, fh, fmt);
 623 }
 624
 625 static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 626 {
 627         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 628         struct ivtv_open_id *id = fh;
 629         struct ivtv *itv = id->itv;
 630         int ret = ivtv_try_fmt_sliced_vbi_cap(file, fh, fmt);
 631
 632         if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI)
 633                 return ret;
 634
 635         if (check_service_set(vbifmt, itv->is_50hz) == 0)
 636                 return -EINVAL;
 637         if (atomic_read(&itv->capturing) > 0)
 638                 return -EBUSY;
 639         itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 640         memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
 641         return 0;
 642 }
 643
 644 static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 645 {
 646         struct ivtv_open_id *id = fh;
 647         struct ivtv *itv = id->itv;
 648         struct yuv_playback_info *yi = &itv->yuv_info;
 649         int ret = ivtv_try_fmt_vid_out(file, fh, fmt);
 650
 651         if (ret)
 652                 return ret;
 653
 654         if (id->type != IVTV_DEC_STREAM_TYPE_YUV)
 655                 return 0;
 656
 657         /* Return now if we already have some frame data */
 658         if (yi->stream_size)
 659                 return -EBUSY;
 660
 661         yi->v4l2_src_w = fmt->fmt.pix.width;
 662         yi->v4l2_src_h = fmt->fmt.pix.height;
 663
 664         switch (fmt->fmt.pix.field) {
 665         case V4L2_FIELD_NONE:
 666                 yi->lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
 667                 break;
 668         case V4L2_FIELD_ANY:
 669                 yi->lace_mode = IVTV_YUV_MODE_AUTO;
 670                 break;
 671         case V4L2_FIELD_INTERLACED_BT:
 672                 yi->lace_mode =
 673                         IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
 674                 break;
 675         case V4L2_FIELD_INTERLACED_TB:
 676         default:
 677                 yi->lace_mode = IVTV_YUV_MODE_INTERLACED;
 678                 break;
 679         }
 680         yi->lace_sync_field = (yi->lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
 681
 682         if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
 683                 itv->dma_data_req_size =
 684                         1080 * ((yi->v4l2_src_h + 31) & ~31);
 685
 686         /* Force update of yuv registers */
 687         yi->yuv_forced_update = 1;
 688         return 0;
 689 }
 690
 691 static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 692 {
 693         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 694         int ret = ivtv_try_fmt_vid_out_overlay(file, fh, fmt);
 695
 696         if (ret == 0) {
 697                 itv->osd_chroma_key = fmt->fmt.win.chromakey;
 698                 itv->osd_global_alpha = fmt->fmt.win.global_alpha;
 699                 ivtv_set_osd_alpha(itv);
 700         }
 701         return ret;
 702 }
 703
 704 static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_chip_ident *chip)
 705 {
 706         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 707
 708         chip->ident = V4L2_IDENT_NONE;
 709         chip->revision = 0;
 710         if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
 711                 if (v4l2_chip_match_host(chip->match_type, chip->match_chip))
 712                         chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
 713                 return 0;
 714         }
 715         if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 716                 return ivtv_i2c_id(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
 717         if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 718                 return ivtv_call_i2c_client(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
 719         return -EINVAL;
 720 }
 721
 722 static int ivtv_g_register(struct file *file, void *fh, struct v4l2_register *reg)
 723 {
 724         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 725
 726         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 727                 return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg);
 728         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 729                 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
 730         return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
 731 }
 732
 733 static int ivtv_s_register(struct file *file, void *fh, struct v4l2_register *reg)
 734 {
 735         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 736
 737         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 738                 return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg);
 739         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 740                 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
 741         return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
 742 }
 743
 744 static int ivtv_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
 745 {
 746         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 747
 748         *p = v4l2_prio_max(&itv->prio);
 749
 750         return 0;
 751 }
 752
 753 static int ivtv_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
 754 {
 755         struct ivtv_open_id *id = fh;
 756         struct ivtv *itv = id->itv;
 757
 758         return v4l2_prio_change(&itv->prio, &id->prio, prio);
 759 }
 760
 761 static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap)
 762 {
 763         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 764
 765         memset(vcap, 0, sizeof(*vcap));
 766         strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
 767         strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
 768         strlcpy(vcap->bus_info, pci_name(itv->dev), sizeof(vcap->bus_info));
 769         vcap->version = IVTV_DRIVER_VERSION;        /* version */
 770         vcap->capabilities = itv->v4l2_cap;         /* capabilities */
 771         /* reserved.. must set to 0! */
 772         vcap->reserved[0] = vcap->reserved[1] =
 773                 vcap->reserved[2] = vcap->reserved[3] = 0;
 774         return 0;
 775 }
 776
 777 static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 778 {
 779         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 780
 781         return ivtv_get_audio_input(itv, vin->index, vin);
 782 }
 783
 784 static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 785 {
 786         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 787
 788         vin->index = itv->audio_input;
 789         return ivtv_get_audio_input(itv, vin->index, vin);
 790 }
 791
 792 static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 793 {
 794         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 795
 796         if (vout->index >= itv->nof_audio_inputs)
 797                 return -EINVAL;
 798
 799         itv->audio_input = vout->index;
 800         ivtv_audio_set_io(itv);
 801
 802         return 0;
 803 }
 804
 805 static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin)
 806 {
 807         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 808
 809         /* set it to defaults from our table */
 810         return ivtv_get_audio_output(itv, vin->index, vin);
 811 }
 812
 813 static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin)
 814 {
 815         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 816
 817         vin->index = 0;
 818         return ivtv_get_audio_output(itv, vin->index, vin);
 819 }
 820
 821 static int ivtv_s_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
 822 {
 823         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 824
 825         return ivtv_get_audio_output(itv, vout->index, vout);
 826 }
 827
 828 static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 829 {
 830         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 831
 832         /* set it to defaults from our table */
 833         return ivtv_get_input(itv, vin->index, vin);
 834 }
 835
 836 static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout)
 837 {
 838         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 839
 840         return ivtv_get_output(itv, vout->index, vout);
 841 }
 842
 843 static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
 844 {
 845         struct ivtv_open_id *id = fh;
 846         struct ivtv *itv = id->itv;
 847         struct yuv_playback_info *yi = &itv->yuv_info;
 848         int streamtype;
 849
 850         streamtype = id->type;
 851
 852         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 853                 return -EINVAL;
 854         cropcap->bounds.top = cropcap->bounds.left = 0;
 855         cropcap->bounds.width = 720;
 856         if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 857                 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
 858                 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
 859                 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
 860         } else if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 861                 if (yi->track_osd) {
 862                         cropcap->bounds.width = yi->osd_full_w;
 863                         cropcap->bounds.height = yi->osd_full_h;
 864                 } else {
 865                         cropcap->bounds.width = 720;
 866                         cropcap->bounds.height =
 867                                         itv->is_out_50hz ? 576 : 480;
 868                 }
 869                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 870                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 871         } else {
 872                 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
 873                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 874                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 875         }
 876         cropcap->defrect = cropcap->bounds;
 877         return 0;
 878 }
 879
 880 static int ivtv_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 881 {
 882         struct ivtv_open_id *id = fh;
 883         struct ivtv *itv = id->itv;
 884         struct yuv_playback_info *yi = &itv->yuv_info;
 885         int streamtype;
 886
 887         streamtype = id->type;
 888
 889         if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
 890                 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
 891                 /* Should be replaced */
 892                 /* v4l_printk_ioctl(VIDIOC_S_CROP); */
 893         }
 894
 895         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 896             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 897                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 898                         yi->main_rect = crop->c;
 899                         return 0;
 900                 } else {
 901                         if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
 902                                 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
 903                                 itv->main_rect = crop->c;
 904                                 return 0;
 905                         }
 906                 }
 907                 return -EINVAL;
 908         }
 909         return -EINVAL;
 910 }
 911
 912 static int ivtv_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 913 {
 914         struct ivtv_open_id *id = fh;
 915         struct ivtv *itv = id->itv;
 916         struct yuv_playback_info *yi = &itv->yuv_info;
 917         int streamtype;
 918
 919         streamtype = id->type;
 920
 921         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 922             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 923                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV)
 924                         crop->c = yi->main_rect;
 925                 else
 926                         crop->c = itv->main_rect;
 927                 return 0;
 928         }
 929         return -EINVAL;
 930 }
 931
 932 static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 933 {
 934         static struct v4l2_fmtdesc formats[] = {
 935                 { 0, 0, 0,
 936                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 937                   { 0, 0, 0, 0 }
 938                 },
 939                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 940                   "MPEG", V4L2_PIX_FMT_MPEG,
 941                   { 0, 0, 0, 0 }
 942                 }
 943         };
 944         enum v4l2_buf_type type = fmt->type;
 945
 946         if (fmt->index > 1)
 947                 return -EINVAL;
 948
 949         *fmt = formats[fmt->index];
 950         fmt->type = type;
 951         return 0;
 952 }
 953
 954 static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 955 {
 956         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 957
 958         static struct v4l2_fmtdesc formats[] = {
 959                 { 0, 0, 0,
 960                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 961                   { 0, 0, 0, 0 }
 962                 },
 963                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 964                   "MPEG", V4L2_PIX_FMT_MPEG,
 965                   { 0, 0, 0, 0 }
 966                 }
 967         };
 968         enum v4l2_buf_type type = fmt->type;
 969
 970         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 971                 return -EINVAL;
 972
 973         if (fmt->index > 1)
 974                 return -EINVAL;
 975
 976         *fmt = formats[fmt->index];
 977         fmt->type = type;
 978
 979         return 0;
 980 }
 981
 982 static int ivtv_g_input(struct file *file, void *fh, unsigned int *i)
 983 {
 984         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 985
 986         *i = itv->active_input;
 987
 988         return 0;
 989 }
 990
 991 int ivtv_s_input(struct file *file, void *fh, unsigned int inp)
 992 {
 993         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 994
 995         if (inp < 0 || inp >= itv->nof_inputs)
 996                 return -EINVAL;
 997
 998         if (inp == itv->active_input) {
 999                 IVTV_DEBUG_INFO("Input unchanged\n");
1000                 return 0;
1001         }
1002
1003         if (atomic_read(&itv->capturing) > 0) {
1004                 return -EBUSY;
1005         }
1006
1007         IVTV_DEBUG_INFO("Changing input from %d to %d\n",
1008                         itv->active_input, inp);
1009
1010         itv->active_input = inp;
1011         /* Set the audio input to whatever is appropriate for the
1012            input type. */
1013         itv->audio_input = itv->card->video_inputs[inp].audio_index;
1014
1015         /* prevent others from messing with the streams until
1016            we're finished changing inputs. */
1017         ivtv_mute(itv);
1018         ivtv_video_set_io(itv);
1019         ivtv_audio_set_io(itv);
1020         ivtv_unmute(itv);
1021
1022         return 0;
1023 }
1024
1025 static int ivtv_g_output(struct file *file, void *fh, unsigned int *i)
1026 {
1027         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1028
1029         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1030                 return -EINVAL;
1031
1032         *i = itv->active_output;
1033
1034         return 0;
1035 }
1036
1037 static int ivtv_s_output(struct file *file, void *fh, unsigned int outp)
1038 {
1039         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1040         struct v4l2_routing route;
1041
1042         if (outp >= itv->card->nof_outputs)
1043                 return -EINVAL;
1044
1045         if (outp == itv->active_output) {
1046                 IVTV_DEBUG_INFO("Output unchanged\n");
1047                 return 0;
1048         }
1049         IVTV_DEBUG_INFO("Changing output from %d to %d\n",
1050                    itv->active_output, outp);
1051
1052         itv->active_output = outp;
1053         route.input = SAA7127_INPUT_TYPE_NORMAL;
1054         route.output = itv->card->video_outputs[outp].video_output;
1055         ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
1056
1057         return 0;
1058 }
1059
1060 static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1061 {
1062         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1063
1064         if (vf->tuner != 0)
1065                 return -EINVAL;
1066
1067         ivtv_call_i2c_clients(itv, VIDIOC_G_FREQUENCY, vf);
1068         return 0;
1069 }
1070
1071 int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1072 {
1073         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1074
1075         if (vf->tuner != 0)
1076                 return -EINVAL;
1077
1078         ivtv_mute(itv);
1079         IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
1080         ivtv_call_i2c_clients(itv, VIDIOC_S_FREQUENCY, vf);
1081         ivtv_unmute(itv);
1082         return 0;
1083 }
1084
1085 static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
1086 {
1087         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1088
1089         *std = itv->std;
1090         return 0;
1091 }
1092
1093 int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std)
1094 {
1095         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1096         struct yuv_playback_info *yi = &itv->yuv_info;
1097
1098         if ((*std & V4L2_STD_ALL) == 0)
1099                 return -EINVAL;
1100
1101         if (*std == itv->std)
1102                 return 0;
1103
1104         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1105             atomic_read(&itv->capturing) > 0 ||
1106             atomic_read(&itv->decoding) > 0) {
1107                 /* Switching standard would turn off the radio or mess
1108                    with already running streams, prevent that by
1109                    returning EBUSY. */
1110                 return -EBUSY;
1111         }
1112
1113         itv->std = *std;
1114         itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
1115         itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1116         itv->params.width = 720;
1117         itv->params.height = itv->is_50hz ? 576 : 480;
1118         itv->vbi.count = itv->is_50hz ? 18 : 12;
1119         itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1120         itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1121
1122         if (itv->hw_flags & IVTV_HW_CX25840)
1123                 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1124
1125         IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1126
1127         /* Tuner */
1128         ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1129
1130         if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1131                 /* set display standard */
1132                 itv->std_out = *std;
1133                 itv->is_out_60hz = itv->is_60hz;
1134                 itv->is_out_50hz = itv->is_50hz;
1135                 ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1136                 ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1137                 itv->main_rect.left = itv->main_rect.top = 0;
1138                 itv->main_rect.width = 720;
1139                 itv->main_rect.height = itv->params.height;
1140                 ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1141                         720, itv->main_rect.height, 0, 0);
1142                 yi->main_rect = itv->main_rect;
1143                 if (!itv->osd_info) {
1144                         yi->osd_full_w = 720;
1145                         yi->osd_full_h = itv->is_out_50hz ? 576 : 480;
1146                 }
1147         }
1148         return 0;
1149 }
1150
1151 static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1152 {
1153         struct ivtv_open_id *id = fh;
1154         struct ivtv *itv = id->itv;
1155
1156         if (vt->index != 0)
1157                 return -EINVAL;
1158
1159         ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1160
1161         return 0;
1162 }
1163
1164 static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1165 {
1166         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1167
1168         if (vt->index != 0)
1169                 return -EINVAL;
1170
1171         memset(vt, 0, sizeof(*vt));
1172         ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
1173
1174         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1175                 strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
1176                 vt->type = V4L2_TUNER_RADIO;
1177         } else {
1178                 strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
1179                 vt->type = V4L2_TUNER_ANALOG_TV;
1180         }
1181
1182         return 0;
1183 }
1184
1185 static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
1186 {
1187         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1188         int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1189         int f, l;
1190         enum v4l2_buf_type type = cap->type;
1191
1192         memset(cap, 0, sizeof(*cap));
1193         cap->type = type;
1194         if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1195                 for (f = 0; f < 2; f++) {
1196                         for (l = 0; l < 24; l++) {
1197                                 if (valid_service_line(f, l, itv->is_50hz))
1198                                         cap->service_lines[f][l] = set;
1199                         }
1200                 }
1201                 return 0;
1202         }
1203         if (type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1204                 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1205                         return -EINVAL;
1206                 if (itv->is_60hz) {
1207                         cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1208                         cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1209                 } else {
1210                         cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1211                         cap->service_lines[0][16] = V4L2_SLICED_VPS;
1212                 }
1213                 return 0;
1214         }
1215         return -EINVAL;
1216 }
1217
1218 static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx)
1219 {
1220         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1221         struct v4l2_enc_idx_entry *e = idx->entry;
1222         int entries;
1223         int i;
1224
1225         entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1226                                 IVTV_MAX_PGM_INDEX;
1227         if (entries > V4L2_ENC_IDX_ENTRIES)
1228                 entries = V4L2_ENC_IDX_ENTRIES;
1229         idx->entries = 0;
1230         for (i = 0; i < entries; i++) {
1231                 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1232                 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1233                         idx->entries++;
1234                         e++;
1235                 }
1236         }
1237         itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1238         return 0;
1239 }
1240
1241 static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1242 {
1243         struct ivtv_open_id *id = fh;
1244         struct ivtv *itv = id->itv;
1245
1246         memset(&enc->raw, 0, sizeof(enc->raw));
1247
1248         switch (enc->cmd) {
1249         case V4L2_ENC_CMD_START:
1250                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1251                 enc->flags = 0;
1252                 return ivtv_start_capture(id);
1253
1254         case V4L2_ENC_CMD_STOP:
1255                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1256                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1257                 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1258                 return 0;
1259
1260         case V4L2_ENC_CMD_PAUSE:
1261                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1262                 enc->flags = 0;
1263
1264                 if (!atomic_read(&itv->capturing))
1265                         return -EPERM;
1266                 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1267                         return 0;
1268
1269                 ivtv_mute(itv);
1270                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1271                 break;
1272
1273         case V4L2_ENC_CMD_RESUME:
1274                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1275                 enc->flags = 0;
1276
1277                 if (!atomic_read(&itv->capturing))
1278                         return -EPERM;
1279
1280                 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1281                         return 0;
1282
1283                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1284                 ivtv_unmute(itv);
1285                 break;
1286         default:
1287                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1288                 return -EINVAL;
1289         }
1290
1291         return 0;
1292 }
1293
1294 static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1295 {
1296         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1297
1298         memset(&enc->raw, 0, sizeof(enc->raw));
1299
1300         switch (enc->cmd) {
1301         case V4L2_ENC_CMD_START:
1302                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1303                 enc->flags = 0;
1304                 return 0;
1305
1306         case V4L2_ENC_CMD_STOP:
1307                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1308                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1309                 return 0;
1310
1311         case V4L2_ENC_CMD_PAUSE:
1312                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1313                 enc->flags = 0;
1314                 return 0;
1315
1316         case V4L2_ENC_CMD_RESUME:
1317                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1318                 enc->flags = 0;
1319                 return 0;
1320         default:
1321                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1322                 return -EINVAL;
1323         }
1324 }
1325
1326 static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1327 {
1328         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1329         u32 data[CX2341X_MBOX_MAX_DATA];
1330         struct yuv_playback_info *yi = &itv->yuv_info;
1331
1332         int pixfmt;
1333         static u32 pixel_format[16] = {
1334                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */
1335                 V4L2_PIX_FMT_RGB565,
1336                 V4L2_PIX_FMT_RGB555,
1337                 V4L2_PIX_FMT_RGB444,
1338                 V4L2_PIX_FMT_RGB32,
1339                 0,
1340                 0,
1341                 0,
1342                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */
1343                 V4L2_PIX_FMT_YUV565,
1344                 V4L2_PIX_FMT_YUV555,
1345                 V4L2_PIX_FMT_YUV444,
1346                 V4L2_PIX_FMT_YUV32,
1347                 0,
1348                 0,
1349                 0,
1350         };
1351
1352         memset(fb, 0, sizeof(*fb));
1353
1354         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1355                 return -EINVAL;
1356
1357         fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1358                 V4L2_FBUF_CAP_GLOBAL_ALPHA;
1359
1360         ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1361         data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1362         pixfmt = (data[0] >> 3) & 0xf;
1363
1364         fb->fmt.pixelformat = pixel_format[pixfmt];
1365         fb->fmt.width = itv->osd_rect.width;
1366         fb->fmt.height = itv->osd_rect.height;
1367         fb->base = (void *)itv->osd_video_pbase;
1368
1369         if (itv->osd_chroma_key_state)
1370                 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1371
1372         if (itv->osd_global_alpha_state)
1373                 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1374
1375         pixfmt &= 7;
1376
1377         /* no local alpha for RGB565 or unknown formats */
1378         if (pixfmt == 1 || pixfmt > 4)
1379                 return 0;
1380
1381         /* 16-bit formats have inverted local alpha */
1382         if (pixfmt == 2 || pixfmt == 3)
1383                 fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
1384         else
1385                 fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA;
1386
1387         if (itv->osd_local_alpha_state) {
1388                 /* 16-bit formats have inverted local alpha */
1389                 if (pixfmt == 2 || pixfmt == 3)
1390                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1391                 else
1392                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1393         }
1394         if (yi->track_osd)
1395                 fb->flags |= V4L2_FBUF_FLAG_OVERLAY;
1396
1397         return 0;
1398 }
1399
1400 static int ivtv_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1401 {
1402         struct ivtv_open_id *id = fh;
1403         struct ivtv *itv = id->itv;
1404         struct yuv_playback_info *yi = &itv->yuv_info;
1405
1406         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1407                 return -EINVAL;
1408
1409         itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1410         itv->osd_local_alpha_state =
1411                 (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0;
1412         itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1413         ivtv_set_osd_alpha(itv);
1414         yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0;
1415
1416         return 0;
1417 }
1418
1419 static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
1420 {
1421         struct ivtv_open_id *id = fh;
1422         struct ivtv *itv = id->itv;
1423
1424         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1425                 return -EINVAL;
1426
1427         ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, on != 0);
1428
1429         return 0;
1430 }
1431
1432 static int ivtv_log_status(struct file *file, void *fh)
1433 {
1434         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1435         u32 data[CX2341X_MBOX_MAX_DATA];
1436
1437         int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1438         struct v4l2_input vidin;
1439         struct v4l2_audio audin;
1440         int i;
1441
1442         IVTV_INFO("=================  START STATUS CARD #%d  =================\n", itv->num);
1443         IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1444         if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1445                 struct tveeprom tv;
1446
1447                 ivtv_read_eeprom(itv, &tv);
1448         }
1449         ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1450         ivtv_get_input(itv, itv->active_input, &vidin);
1451         ivtv_get_audio_input(itv, itv->audio_input, &audin);
1452         IVTV_INFO("Video Input:  %s\n", vidin.name);
1453         IVTV_INFO("Audio Input:  %s%s\n", audin.name,
1454                 (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : "");
1455         if (has_output) {
1456                 struct v4l2_output vidout;
1457                 struct v4l2_audioout audout;
1458                 int mode = itv->output_mode;
1459                 static const char * const output_modes[5] = {
1460                         "None",
1461                         "MPEG Streaming",
1462                         "YUV Streaming",
1463                         "YUV Frames",
1464                         "Passthrough",
1465                 };
1466                 static const char * const audio_modes[5] = {
1467                         "Stereo",
1468                         "Left",
1469                         "Right",
1470                         "Mono",
1471                         "Swapped"
1472                 };
1473                 static const char * const alpha_mode[4] = {
1474                         "None",
1475                         "Global",
1476                         "Local",
1477                         "Global and Local"
1478                 };
1479                 static const char * const pixel_format[16] = {
1480                         "ARGB Indexed",
1481                         "RGB 5:6:5",
1482                         "ARGB 1:5:5:5",
1483                         "ARGB 1:4:4:4",
1484                         "ARGB 8:8:8:8",
1485                         "5",
1486                         "6",
1487                         "7",
1488                         "AYUV Indexed",
1489                         "YUV 5:6:5",
1490                         "AYUV 1:5:5:5",
1491                         "AYUV 1:4:4:4",
1492                         "AYUV 8:8:8:8",
1493                         "13",
1494                         "14",
1495                         "15",
1496                 };
1497
1498                 ivtv_get_output(itv, itv->active_output, &vidout);
1499                 ivtv_get_audio_output(itv, 0, &audout);
1500                 IVTV_INFO("Video Output: %s\n", vidout.name);
1501                 IVTV_INFO("Audio Output: %s (Stereo/Bilingual: %s/%s)\n", audout.name,
1502                         audio_modes[itv->audio_stereo_mode],
1503                         audio_modes[itv->audio_bilingual_mode]);
1504                 if (mode < 0 || mode > OUT_PASSTHROUGH)
1505                         mode = OUT_NONE;
1506                 IVTV_INFO("Output Mode:  %s\n", output_modes[mode]);
1507                 ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1508                 data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1509                 IVTV_INFO("Overlay:      %s, Alpha: %s, Pixel Format: %s\n",
1510                         data[0] & 1 ? "On" : "Off",
1511                         alpha_mode[(data[0] >> 1) & 0x3],
1512                         pixel_format[(data[0] >> 3) & 0xf]);
1513         }
1514         IVTV_INFO("Tuner:  %s\n",
1515                 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1516         cx2341x_log_status(&itv->params, itv->name);
1517         IVTV_INFO("Status flags:    0x%08lx\n", itv->i_flags);
1518         for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1519                 struct ivtv_stream *s = &itv->streams[i];
1520
1521                 if (s->v4l2dev == NULL || s->buffers == 0)
1522                         continue;
1523                 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1524                                 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1525                                 (s->buffers * s->buf_size) / 1024, s->buffers);
1526         }
1527
1528         IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1529         IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
1530
1531         return 0;
1532 }
1533
1534 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1535 {
1536         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1537         struct ivtv *itv = id->itv;
1538         int nonblocking = filp->f_flags & O_NONBLOCK;
1539         struct ivtv_stream *s = &itv->streams[id->type];
1540
1541         switch (cmd) {
1542         case IVTV_IOC_DMA_FRAME: {
1543                 struct ivtv_dma_frame *args = arg;
1544
1545                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1546                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1547                         return -EINVAL;
1548                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1549                         return -EINVAL;
1550                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1551                         return 0;
1552                 if (ivtv_claim_stream(id, id->type)) {
1553                         return -EBUSY;
1554                 }
1555                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1556                         ivtv_release_stream(s);
1557                         return -EBUSY;
1558                 }
1559                 /* Mark that this file handle started the UDMA_YUV mode */
1560                 id->yuv_frames = 1;
1561                 if (args->y_source == NULL)
1562                         return 0;
1563                 return ivtv_yuv_prep_frame(itv, args);
1564         }
1565
1566         case VIDEO_GET_PTS: {
1567                 u32 data[CX2341X_MBOX_MAX_DATA];
1568                 u64 *pts = arg;
1569
1570                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1571                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1572                         *pts = s->dma_pts;
1573                         break;
1574                 }
1575                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1576                         return -EINVAL;
1577
1578                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1579                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1580                                         (u64)itv->last_dec_timing[1];
1581                         break;
1582                 }
1583                 *pts = 0;
1584                 if (atomic_read(&itv->decoding)) {
1585                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1586                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1587                                 return -EIO;
1588                         }
1589                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1590                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1591                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1592                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1593                 }
1594                 break;
1595         }
1596
1597         case VIDEO_GET_FRAME_COUNT: {
1598                 u32 data[CX2341X_MBOX_MAX_DATA];
1599                 u64 *frame = arg;
1600
1601                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1602                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1603                         *frame = 0;
1604                         break;
1605                 }
1606                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1607                         return -EINVAL;
1608
1609                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1610                         *frame = itv->last_dec_timing[0];
1611                         break;
1612                 }
1613                 *frame = 0;
1614                 if (atomic_read(&itv->decoding)) {
1615                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1616                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1617                                 return -EIO;
1618                         }
1619                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1620                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1621                         *frame = data[0];
1622                 }
1623                 break;
1624         }
1625
1626         case VIDEO_PLAY: {
1627                 struct video_command vc;
1628
1629                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1630                 memset(&vc, 0, sizeof(vc));
1631                 vc.cmd = VIDEO_CMD_PLAY;
1632                 return ivtv_video_command(itv, id, &vc, 0);
1633         }
1634
1635         case VIDEO_STOP: {
1636                 struct video_command vc;
1637
1638                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1639                 memset(&vc, 0, sizeof(vc));
1640                 vc.cmd = VIDEO_CMD_STOP;
1641                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1642                 return ivtv_video_command(itv, id, &vc, 0);
1643         }
1644
1645         case VIDEO_FREEZE: {
1646                 struct video_command vc;
1647
1648                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1649                 memset(&vc, 0, sizeof(vc));
1650                 vc.cmd = VIDEO_CMD_FREEZE;
1651                 return ivtv_video_command(itv, id, &vc, 0);
1652         }
1653
1654         case VIDEO_CONTINUE: {
1655                 struct video_command vc;
1656
1657                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1658                 memset(&vc, 0, sizeof(vc));
1659                 vc.cmd = VIDEO_CMD_CONTINUE;
1660                 return ivtv_video_command(itv, id, &vc, 0);
1661         }
1662
1663         case VIDEO_COMMAND:
1664         case VIDEO_TRY_COMMAND: {
1665                 struct video_command *vc = arg;
1666                 int try = (cmd == VIDEO_TRY_COMMAND);
1667
1668                 if (try)
1669                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
1670                 else
1671                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
1672                 return ivtv_video_command(itv, id, vc, try);
1673         }
1674
1675         case VIDEO_GET_EVENT: {
1676                 struct video_event *ev = arg;
1677                 DEFINE_WAIT(wait);
1678
1679                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1680                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1681                         return -EINVAL;
1682                 memset(ev, 0, sizeof(*ev));
1683                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1684
1685                 while (1) {
1686                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1687                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1688                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1689                                 ev->type = VIDEO_EVENT_VSYNC;
1690                                 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1691                                         VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1692                                 if (itv->output_mode == OUT_UDMA_YUV &&
1693                                         (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1694                                                                 IVTV_YUV_MODE_PROGRESSIVE) {
1695                                         ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1696                                 }
1697                         }
1698                         if (ev->type)
1699                                 return 0;
1700                         if (nonblocking)
1701                                 return -EAGAIN;
1702                         /* Wait for event. Note that serialize_lock is locked,
1703                            so to allow other processes to access the driver while
1704                            we are waiting unlock first and later lock again. */
1705                         mutex_unlock(&itv->serialize_lock);
1706                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1707                         if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1708                                 schedule();
1709                         finish_wait(&itv->event_waitq, &wait);
1710                         mutex_lock(&itv->serialize_lock);
1711                         if (signal_pending(current)) {
1712                                 /* return if a signal was received */
1713                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1714                                 return -EINTR;
1715                         }
1716                 }
1717                 break;
1718         }
1719
1720         default:
1721                 return -EINVAL;
1722         }
1723         return 0;
1724 }
1725
1726 static int ivtv_default(struct file *file, void *fh, int cmd, void *arg)
1727 {
1728         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1729
1730         switch (cmd) {
1731         case VIDIOC_INT_S_AUDIO_ROUTING: {
1732                 struct v4l2_routing *route = arg;
1733
1734                 ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, route);
1735                 break;
1736         }
1737
1738         case VIDIOC_INT_RESET: {
1739                 u32 val = *(u32 *)arg;
1740
1741                 if ((val == 0 && itv->options.newi2c) || (val & 0x01))
1742                         ivtv_reset_ir_gpio(itv);
1743                 if (val & 0x02)
1744                         itv->video_dec_func(itv, cmd, NULL);
1745                 break;
1746         }
1747
1748         default:
1749                 return -EINVAL;
1750         }
1751         return 0;
1752 }
1753
1754 static int ivtv_serialized_ioctl(struct ivtv *itv, struct inode *inode, struct file *filp,
1755                 unsigned int cmd, unsigned long arg)
1756 {
1757         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1758         int ret;
1759
1760         /* Filter dvb ioctls that cannot be handled by the v4l ioctl framework */
1761         switch (cmd) {
1762         case VIDEO_SELECT_SOURCE:
1763                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1764                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1765                         return -EINVAL;
1766                 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1767
1768         case AUDIO_SET_MUTE:
1769                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1770                 itv->speed_mute_audio = arg;
1771                 return 0;
1772
1773         case AUDIO_CHANNEL_SELECT:
1774                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1775                 if (arg > AUDIO_STEREO_SWAPPED)
1776                         return -EINVAL;
1777                 itv->audio_stereo_mode = arg;
1778                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1779                 return 0;
1780
1781         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1782                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1783                 if (arg > AUDIO_STEREO_SWAPPED)
1784                         return -EINVAL;
1785                 itv->audio_bilingual_mode = arg;
1786                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1787                 return 0;
1788
1789         case IVTV_IOC_DMA_FRAME:
1790         case VIDEO_GET_PTS:
1791         case VIDEO_GET_FRAME_COUNT:
1792         case VIDEO_GET_EVENT:
1793         case VIDEO_PLAY:
1794         case VIDEO_STOP:
1795         case VIDEO_FREEZE:
1796         case VIDEO_CONTINUE:
1797         case VIDEO_COMMAND:
1798         case VIDEO_TRY_COMMAND:
1799                 return ivtv_decoder_ioctls(filp, cmd, (void *)arg);
1800
1801         default:
1802                 break;
1803         }
1804
1805         /* check priority */
1806         switch (cmd) {
1807         case VIDIOC_S_CTRL:
1808         case VIDIOC_S_STD:
1809         case VIDIOC_S_INPUT:
1810         case VIDIOC_S_OUTPUT:
1811         case VIDIOC_S_TUNER:
1812         case VIDIOC_S_FREQUENCY:
1813         case VIDIOC_S_FMT:
1814         case VIDIOC_S_CROP:
1815         case VIDIOC_S_AUDIO:
1816         case VIDIOC_S_AUDOUT:
1817         case VIDIOC_S_EXT_CTRLS:
1818         case VIDIOC_S_FBUF:
1819         case VIDIOC_OVERLAY:
1820                 ret = v4l2_prio_check(&itv->prio, &id->prio);
1821                 if (ret)
1822                         return ret;
1823         }
1824
1825         if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1826                 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1827                 v4l_printk_ioctl(cmd);
1828                 printk("\n");
1829         }
1830
1831         return video_ioctl2(inode, filp, cmd, arg);
1832 }
1833
1834 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1835                     unsigned long arg)
1836 {
1837         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1838         struct ivtv *itv = id->itv;
1839         int res;
1840
1841         mutex_lock(&itv->serialize_lock);
1842         res = ivtv_serialized_ioctl(itv, inode, filp, cmd, arg);
1843         mutex_unlock(&itv->serialize_lock);
1844         return res;
1845 }
1846
1847 void ivtv_set_funcs(struct video_device *vdev)
1848 {
1849         vdev->vidioc_querycap               = ivtv_querycap;
1850         vdev->vidioc_g_priority             = ivtv_g_priority;
1851         vdev->vidioc_s_priority             = ivtv_s_priority;
1852         vdev->vidioc_s_audio                = ivtv_s_audio;
1853         vdev->vidioc_g_audio                = ivtv_g_audio;
1854         vdev->vidioc_enumaudio              = ivtv_enumaudio;
1855         vdev->vidioc_s_audout               = ivtv_s_audout;
1856         vdev->vidioc_g_audout               = ivtv_g_audout;
1857         vdev->vidioc_enum_input             = ivtv_enum_input;
1858         vdev->vidioc_enum_output            = ivtv_enum_output;
1859         vdev->vidioc_enumaudout             = ivtv_enumaudout;
1860         vdev->vidioc_cropcap                = ivtv_cropcap;
1861         vdev->vidioc_s_crop                 = ivtv_s_crop;
1862         vdev->vidioc_g_crop                 = ivtv_g_crop;
1863         vdev->vidioc_g_input                = ivtv_g_input;
1864         vdev->vidioc_s_input                = ivtv_s_input;
1865         vdev->vidioc_g_output               = ivtv_g_output;
1866         vdev->vidioc_s_output               = ivtv_s_output;
1867         vdev->vidioc_g_frequency            = ivtv_g_frequency;
1868         vdev->vidioc_s_frequency            = ivtv_s_frequency;
1869         vdev->vidioc_s_tuner                = ivtv_s_tuner;
1870         vdev->vidioc_g_tuner                = ivtv_g_tuner;
1871         vdev->vidioc_g_enc_index            = ivtv_g_enc_index;
1872         vdev->vidioc_g_fbuf                 = ivtv_g_fbuf;
1873         vdev->vidioc_s_fbuf                 = ivtv_s_fbuf;
1874         vdev->vidioc_g_std                  = ivtv_g_std;
1875         vdev->vidioc_s_std                  = ivtv_s_std;
1876         vdev->vidioc_overlay                = ivtv_overlay;
1877         vdev->vidioc_log_status             = ivtv_log_status;
1878         vdev->vidioc_enum_fmt_vid_cap       = ivtv_enum_fmt_vid_cap;
1879         vdev->vidioc_encoder_cmd            = ivtv_encoder_cmd;
1880         vdev->vidioc_try_encoder_cmd        = ivtv_try_encoder_cmd;
1881         vdev->vidioc_enum_fmt_vid_out       = ivtv_enum_fmt_vid_out;
1882         vdev->vidioc_g_fmt_vid_cap          = ivtv_g_fmt_vid_cap;
1883         vdev->vidioc_g_fmt_vbi_cap          = ivtv_g_fmt_vbi_cap;
1884         vdev->vidioc_g_fmt_sliced_vbi_cap   = ivtv_g_fmt_sliced_vbi_cap;
1885         vdev->vidioc_g_fmt_vid_out          = ivtv_g_fmt_vid_out;
1886         vdev->vidioc_g_fmt_vid_out_overlay  = ivtv_g_fmt_vid_out_overlay;
1887         vdev->vidioc_g_fmt_sliced_vbi_out   = ivtv_g_fmt_sliced_vbi_out;
1888         vdev->vidioc_s_fmt_vid_cap          = ivtv_s_fmt_vid_cap;
1889         vdev->vidioc_s_fmt_vbi_cap          = ivtv_s_fmt_vbi_cap;
1890         vdev->vidioc_s_fmt_sliced_vbi_cap   = ivtv_s_fmt_sliced_vbi_cap;
1891         vdev->vidioc_s_fmt_vid_out          = ivtv_s_fmt_vid_out;
1892         vdev->vidioc_s_fmt_vid_out_overlay  = ivtv_s_fmt_vid_out_overlay;
1893         vdev->vidioc_s_fmt_sliced_vbi_out   = ivtv_s_fmt_sliced_vbi_out;
1894         vdev->vidioc_try_fmt_vid_cap        = ivtv_try_fmt_vid_cap;
1895         vdev->vidioc_try_fmt_vbi_cap        = ivtv_try_fmt_vbi_cap;
1896         vdev->vidioc_try_fmt_sliced_vbi_cap = ivtv_try_fmt_sliced_vbi_cap;
1897         vdev->vidioc_try_fmt_vid_out        = ivtv_try_fmt_vid_out;
1898         vdev->vidioc_try_fmt_vid_out_overlay = ivtv_try_fmt_vid_out_overlay;
1899         vdev->vidioc_try_fmt_sliced_vbi_out = ivtv_try_fmt_sliced_vbi_out;
1900         vdev->vidioc_g_sliced_vbi_cap       = ivtv_g_sliced_vbi_cap;
1901         vdev->vidioc_g_chip_ident           = ivtv_g_chip_ident;
1902         vdev->vidioc_g_register             = ivtv_g_register;
1903         vdev->vidioc_s_register             = ivtv_s_register;
1904         vdev->vidioc_default                = ivtv_default;
1905         vdev->vidioc_queryctrl              = ivtv_queryctrl;
1906         vdev->vidioc_querymenu              = ivtv_querymenu;
1907         vdev->vidioc_g_ctrl                 = ivtv_g_ctrl;
1908         vdev->vidioc_s_ctrl                 = ivtv_s_ctrl;
1909         vdev->vidioc_g_ext_ctrls            = ivtv_g_ext_ctrls;
1910         vdev->vidioc_s_ext_ctrls            = ivtv_s_ext_ctrls;
1911         vdev->vidioc_try_ext_ctrls          = ivtv_try_ext_ctrls;
1912 }