git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/ivtv/ivtv-ioctl.c

   1 /*
   2     ioctl system call
   3     Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
   4     Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "ivtv-driver.h"
  22 #include "ivtv-version.h"
  23 #include "ivtv-mailbox.h"
  24 #include "ivtv-i2c.h"
  25 #include "ivtv-queue.h"
  26 #include "ivtv-fileops.h"
  27 #include "ivtv-vbi.h"
  28 #include "ivtv-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 (p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
 607                 fmt->fmt.pix.width /= 2;
 608         itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 609         return ivtv_g_fmt_vid_cap(file, fh, fmt);
 610 }
 611
 612 static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 613 {
 614         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 615
 616         itv->vbi.sliced_in->service_set = 0;
 617         itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);
 618         return ivtv_g_fmt_vbi_cap(file, fh, fmt);
 619 }
 620
 621 static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 622 {
 623         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 624         struct ivtv_open_id *id = fh;
 625         struct ivtv *itv = id->itv;
 626         int ret = ivtv_try_fmt_sliced_vbi_cap(file, fh, fmt);
 627
 628         if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI)
 629                 return ret;
 630
 631         if (check_service_set(vbifmt, itv->is_50hz) == 0)
 632                 return -EINVAL;
 633         if (atomic_read(&itv->capturing) > 0)
 634                 return -EBUSY;
 635         itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
 636         memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
 637         return 0;
 638 }
 639
 640 static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 641 {
 642         struct ivtv_open_id *id = fh;
 643         struct ivtv *itv = id->itv;
 644         struct yuv_playback_info *yi = &itv->yuv_info;
 645         int ret = ivtv_try_fmt_vid_out(file, fh, fmt);
 646
 647         if (ret)
 648                 return ret;
 649
 650         if (id->type != IVTV_DEC_STREAM_TYPE_YUV)
 651                 return 0;
 652
 653         /* Return now if we already have some frame data */
 654         if (yi->stream_size)
 655                 return -EBUSY;
 656
 657         yi->v4l2_src_w = fmt->fmt.pix.width;
 658         yi->v4l2_src_h = fmt->fmt.pix.height;
 659
 660         switch (fmt->fmt.pix.field) {
 661         case V4L2_FIELD_NONE:
 662                 yi->lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
 663                 break;
 664         case V4L2_FIELD_ANY:
 665                 yi->lace_mode = IVTV_YUV_MODE_AUTO;
 666                 break;
 667         case V4L2_FIELD_INTERLACED_BT:
 668                 yi->lace_mode =
 669                         IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
 670                 break;
 671         case V4L2_FIELD_INTERLACED_TB:
 672         default:
 673                 yi->lace_mode = IVTV_YUV_MODE_INTERLACED;
 674                 break;
 675         }
 676         yi->lace_sync_field = (yi->lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
 677
 678         if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
 679                 itv->dma_data_req_size =
 680                         1080 * ((yi->v4l2_src_h + 31) & ~31);
 681
 682         /* Force update of yuv registers */
 683         yi->yuv_forced_update = 1;
 684         return 0;
 685 }
 686
 687 static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
 688 {
 689         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 690         int ret = ivtv_try_fmt_vid_out_overlay(file, fh, fmt);
 691
 692         if (ret == 0) {
 693                 itv->osd_chroma_key = fmt->fmt.win.chromakey;
 694                 itv->osd_global_alpha = fmt->fmt.win.global_alpha;
 695                 ivtv_set_osd_alpha(itv);
 696         }
 697         return ret;
 698 }
 699
 700 static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_chip_ident *chip)
 701 {
 702         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 703
 704         chip->ident = V4L2_IDENT_NONE;
 705         chip->revision = 0;
 706         if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
 707                 if (v4l2_chip_match_host(chip->match_type, chip->match_chip))
 708                         chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
 709                 return 0;
 710         }
 711         if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 712                 return ivtv_i2c_id(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
 713         if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 714                 return ivtv_call_i2c_client(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
 715         return -EINVAL;
 716 }
 717
 718 static int ivtv_g_register(struct file *file, void *fh, struct v4l2_register *reg)
 719 {
 720         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 721
 722         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 723                 return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg);
 724         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 725                 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
 726         return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
 727 }
 728
 729 static int ivtv_s_register(struct file *file, void *fh, struct v4l2_register *reg)
 730 {
 731         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 732
 733         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 734                 return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg);
 735         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 736                 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
 737         return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
 738 }
 739
 740 static int ivtv_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
 741 {
 742         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 743
 744         *p = v4l2_prio_max(&itv->prio);
 745
 746         return 0;
 747 }
 748
 749 static int ivtv_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
 750 {
 751         struct ivtv_open_id *id = fh;
 752         struct ivtv *itv = id->itv;
 753
 754         return v4l2_prio_change(&itv->prio, &id->prio, prio);
 755 }
 756
 757 static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap)
 758 {
 759         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 760
 761         strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
 762         strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
 763         strlcpy(vcap->bus_info, pci_name(itv->dev), sizeof(vcap->bus_info));
 764         vcap->version = IVTV_DRIVER_VERSION;        /* version */
 765         vcap->capabilities = itv->v4l2_cap;         /* capabilities */
 766         return 0;
 767 }
 768
 769 static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 770 {
 771         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 772
 773         return ivtv_get_audio_input(itv, vin->index, vin);
 774 }
 775
 776 static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 777 {
 778         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 779
 780         vin->index = itv->audio_input;
 781         return ivtv_get_audio_input(itv, vin->index, vin);
 782 }
 783
 784 static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 785 {
 786         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 787
 788         if (vout->index >= itv->nof_audio_inputs)
 789                 return -EINVAL;
 790
 791         itv->audio_input = vout->index;
 792         ivtv_audio_set_io(itv);
 793
 794         return 0;
 795 }
 796
 797 static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin)
 798 {
 799         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 800
 801         /* set it to defaults from our table */
 802         return ivtv_get_audio_output(itv, vin->index, vin);
 803 }
 804
 805 static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin)
 806 {
 807         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 808
 809         vin->index = 0;
 810         return ivtv_get_audio_output(itv, vin->index, vin);
 811 }
 812
 813 static int ivtv_s_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
 814 {
 815         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 816
 817         return ivtv_get_audio_output(itv, vout->index, vout);
 818 }
 819
 820 static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 821 {
 822         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 823
 824         /* set it to defaults from our table */
 825         return ivtv_get_input(itv, vin->index, vin);
 826 }
 827
 828 static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout)
 829 {
 830         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 831
 832         return ivtv_get_output(itv, vout->index, vout);
 833 }
 834
 835 static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
 836 {
 837         struct ivtv_open_id *id = fh;
 838         struct ivtv *itv = id->itv;
 839         struct yuv_playback_info *yi = &itv->yuv_info;
 840         int streamtype;
 841
 842         streamtype = id->type;
 843
 844         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 845                 return -EINVAL;
 846         cropcap->bounds.top = cropcap->bounds.left = 0;
 847         cropcap->bounds.width = 720;
 848         if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 849                 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
 850                 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
 851                 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
 852         } else if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 853                 if (yi->track_osd) {
 854                         cropcap->bounds.width = yi->osd_full_w;
 855                         cropcap->bounds.height = yi->osd_full_h;
 856                 } else {
 857                         cropcap->bounds.width = 720;
 858                         cropcap->bounds.height =
 859                                         itv->is_out_50hz ? 576 : 480;
 860                 }
 861                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 862                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 863         } else {
 864                 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
 865                 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
 866                 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
 867         }
 868         cropcap->defrect = cropcap->bounds;
 869         return 0;
 870 }
 871
 872 static int ivtv_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 873 {
 874         struct ivtv_open_id *id = fh;
 875         struct ivtv *itv = id->itv;
 876         struct yuv_playback_info *yi = &itv->yuv_info;
 877         int streamtype;
 878
 879         streamtype = id->type;
 880
 881         if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
 882                 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
 883                 /* Should be replaced */
 884                 /* v4l_printk_ioctl(VIDIOC_S_CROP); */
 885         }
 886
 887         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 888             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 889                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
 890                         yi->main_rect = crop->c;
 891                         return 0;
 892                 } else {
 893                         if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
 894                                 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
 895                                 itv->main_rect = crop->c;
 896                                 return 0;
 897                         }
 898                 }
 899                 return -EINVAL;
 900         }
 901         return -EINVAL;
 902 }
 903
 904 static int ivtv_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 905 {
 906         struct ivtv_open_id *id = fh;
 907         struct ivtv *itv = id->itv;
 908         struct yuv_playback_info *yi = &itv->yuv_info;
 909         int streamtype;
 910
 911         streamtype = id->type;
 912
 913         if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 914             (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
 915                 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV)
 916                         crop->c = yi->main_rect;
 917                 else
 918                         crop->c = itv->main_rect;
 919                 return 0;
 920         }
 921         return -EINVAL;
 922 }
 923
 924 static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 925 {
 926         static struct v4l2_fmtdesc formats[] = {
 927                 { 0, 0, 0,
 928                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 929                   { 0, 0, 0, 0 }
 930                 },
 931                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 932                   "MPEG", V4L2_PIX_FMT_MPEG,
 933                   { 0, 0, 0, 0 }
 934                 }
 935         };
 936         enum v4l2_buf_type type = fmt->type;
 937
 938         if (fmt->index > 1)
 939                 return -EINVAL;
 940
 941         *fmt = formats[fmt->index];
 942         fmt->type = type;
 943         return 0;
 944 }
 945
 946 static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
 947 {
 948         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 949
 950         static struct v4l2_fmtdesc formats[] = {
 951                 { 0, 0, 0,
 952                   "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
 953                   { 0, 0, 0, 0 }
 954                 },
 955                 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
 956                   "MPEG", V4L2_PIX_FMT_MPEG,
 957                   { 0, 0, 0, 0 }
 958                 }
 959         };
 960         enum v4l2_buf_type type = fmt->type;
 961
 962         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
 963                 return -EINVAL;
 964
 965         if (fmt->index > 1)
 966                 return -EINVAL;
 967
 968         *fmt = formats[fmt->index];
 969         fmt->type = type;
 970
 971         return 0;
 972 }
 973
 974 static int ivtv_g_input(struct file *file, void *fh, unsigned int *i)
 975 {
 976         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 977
 978         *i = itv->active_input;
 979
 980         return 0;
 981 }
 982
 983 int ivtv_s_input(struct file *file, void *fh, unsigned int inp)
 984 {
 985         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 986
 987         if (inp < 0 || inp >= itv->nof_inputs)
 988                 return -EINVAL;
 989
 990         if (inp == itv->active_input) {
 991                 IVTV_DEBUG_INFO("Input unchanged\n");
 992                 return 0;
 993         }
 994
 995         if (atomic_read(&itv->capturing) > 0) {
 996                 return -EBUSY;
 997         }
 998
 999         IVTV_DEBUG_INFO("Changing input from %d to %d\n",
1000                         itv->active_input, inp);
1001
1002         itv->active_input = inp;
1003         /* Set the audio input to whatever is appropriate for the
1004            input type. */
1005         itv->audio_input = itv->card->video_inputs[inp].audio_index;
1006
1007         /* prevent others from messing with the streams until
1008            we're finished changing inputs. */
1009         ivtv_mute(itv);
1010         ivtv_video_set_io(itv);
1011         ivtv_audio_set_io(itv);
1012         ivtv_unmute(itv);
1013
1014         return 0;
1015 }
1016
1017 static int ivtv_g_output(struct file *file, void *fh, unsigned int *i)
1018 {
1019         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1020
1021         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1022                 return -EINVAL;
1023
1024         *i = itv->active_output;
1025
1026         return 0;
1027 }
1028
1029 static int ivtv_s_output(struct file *file, void *fh, unsigned int outp)
1030 {
1031         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1032         struct v4l2_routing route;
1033
1034         if (outp >= itv->card->nof_outputs)
1035                 return -EINVAL;
1036
1037         if (outp == itv->active_output) {
1038                 IVTV_DEBUG_INFO("Output unchanged\n");
1039                 return 0;
1040         }
1041         IVTV_DEBUG_INFO("Changing output from %d to %d\n",
1042                    itv->active_output, outp);
1043
1044         itv->active_output = outp;
1045         route.input = SAA7127_INPUT_TYPE_NORMAL;
1046         route.output = itv->card->video_outputs[outp].video_output;
1047         ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
1048
1049         return 0;
1050 }
1051
1052 static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1053 {
1054         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1055
1056         if (vf->tuner != 0)
1057                 return -EINVAL;
1058
1059         ivtv_call_i2c_clients(itv, VIDIOC_G_FREQUENCY, vf);
1060         return 0;
1061 }
1062
1063 int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1064 {
1065         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1066
1067         if (vf->tuner != 0)
1068                 return -EINVAL;
1069
1070         ivtv_mute(itv);
1071         IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
1072         ivtv_call_i2c_clients(itv, VIDIOC_S_FREQUENCY, vf);
1073         ivtv_unmute(itv);
1074         return 0;
1075 }
1076
1077 static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
1078 {
1079         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1080
1081         *std = itv->std;
1082         return 0;
1083 }
1084
1085 int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std)
1086 {
1087         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1088         struct yuv_playback_info *yi = &itv->yuv_info;
1089
1090         if ((*std & V4L2_STD_ALL) == 0)
1091                 return -EINVAL;
1092
1093         if (*std == itv->std)
1094                 return 0;
1095
1096         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1097             atomic_read(&itv->capturing) > 0 ||
1098             atomic_read(&itv->decoding) > 0) {
1099                 /* Switching standard would turn off the radio or mess
1100                    with already running streams, prevent that by
1101                    returning EBUSY. */
1102                 return -EBUSY;
1103         }
1104
1105         itv->std = *std;
1106         itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
1107         itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1108         itv->params.width = 720;
1109         itv->params.height = itv->is_50hz ? 576 : 480;
1110         itv->vbi.count = itv->is_50hz ? 18 : 12;
1111         itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1112         itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1113
1114         if (itv->hw_flags & IVTV_HW_CX25840)
1115                 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1116
1117         IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1118
1119         /* Tuner */
1120         ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1121
1122         if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1123                 /* set display standard */
1124                 itv->std_out = *std;
1125                 itv->is_out_60hz = itv->is_60hz;
1126                 itv->is_out_50hz = itv->is_50hz;
1127                 ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1128                 ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1129                 itv->main_rect.left = itv->main_rect.top = 0;
1130                 itv->main_rect.width = 720;
1131                 itv->main_rect.height = itv->params.height;
1132                 ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1133                         720, itv->main_rect.height, 0, 0);
1134                 yi->main_rect = itv->main_rect;
1135                 if (!itv->osd_info) {
1136                         yi->osd_full_w = 720;
1137                         yi->osd_full_h = itv->is_out_50hz ? 576 : 480;
1138                 }
1139         }
1140         return 0;
1141 }
1142
1143 static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1144 {
1145         struct ivtv_open_id *id = fh;
1146         struct ivtv *itv = id->itv;
1147
1148         if (vt->index != 0)
1149                 return -EINVAL;
1150
1151         ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1152
1153         return 0;
1154 }
1155
1156 static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1157 {
1158         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1159
1160         if (vt->index != 0)
1161                 return -EINVAL;
1162
1163         ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
1164
1165         if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1166                 strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
1167                 vt->type = V4L2_TUNER_RADIO;
1168         } else {
1169                 strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
1170                 vt->type = V4L2_TUNER_ANALOG_TV;
1171         }
1172
1173         return 0;
1174 }
1175
1176 static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
1177 {
1178         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1179         int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1180         int f, l;
1181
1182         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1183                 for (f = 0; f < 2; f++) {
1184                         for (l = 0; l < 24; l++) {
1185                                 if (valid_service_line(f, l, itv->is_50hz))
1186                                         cap->service_lines[f][l] = set;
1187                         }
1188                 }
1189                 return 0;
1190         }
1191         if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1192                 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1193                         return -EINVAL;
1194                 if (itv->is_60hz) {
1195                         cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1196                         cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1197                 } else {
1198                         cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1199                         cap->service_lines[0][16] = V4L2_SLICED_VPS;
1200                 }
1201                 return 0;
1202         }
1203         return -EINVAL;
1204 }
1205
1206 static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx)
1207 {
1208         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1209         struct v4l2_enc_idx_entry *e = idx->entry;
1210         int entries;
1211         int i;
1212
1213         entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1214                                 IVTV_MAX_PGM_INDEX;
1215         if (entries > V4L2_ENC_IDX_ENTRIES)
1216                 entries = V4L2_ENC_IDX_ENTRIES;
1217         idx->entries = 0;
1218         for (i = 0; i < entries; i++) {
1219                 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1220                 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1221                         idx->entries++;
1222                         e++;
1223                 }
1224         }
1225         itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1226         return 0;
1227 }
1228
1229 static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1230 {
1231         struct ivtv_open_id *id = fh;
1232         struct ivtv *itv = id->itv;
1233
1234
1235         switch (enc->cmd) {
1236         case V4L2_ENC_CMD_START:
1237                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1238                 enc->flags = 0;
1239                 return ivtv_start_capture(id);
1240
1241         case V4L2_ENC_CMD_STOP:
1242                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1243                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1244                 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1245                 return 0;
1246
1247         case V4L2_ENC_CMD_PAUSE:
1248                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1249                 enc->flags = 0;
1250
1251                 if (!atomic_read(&itv->capturing))
1252                         return -EPERM;
1253                 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1254                         return 0;
1255
1256                 ivtv_mute(itv);
1257                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1258                 break;
1259
1260         case V4L2_ENC_CMD_RESUME:
1261                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1262                 enc->flags = 0;
1263
1264                 if (!atomic_read(&itv->capturing))
1265                         return -EPERM;
1266
1267                 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1268                         return 0;
1269
1270                 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1271                 ivtv_unmute(itv);
1272                 break;
1273         default:
1274                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1275                 return -EINVAL;
1276         }
1277
1278         return 0;
1279 }
1280
1281 static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1282 {
1283         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1284
1285         switch (enc->cmd) {
1286         case V4L2_ENC_CMD_START:
1287                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1288                 enc->flags = 0;
1289                 return 0;
1290
1291         case V4L2_ENC_CMD_STOP:
1292                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1293                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1294                 return 0;
1295
1296         case V4L2_ENC_CMD_PAUSE:
1297                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1298                 enc->flags = 0;
1299                 return 0;
1300
1301         case V4L2_ENC_CMD_RESUME:
1302                 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1303                 enc->flags = 0;
1304                 return 0;
1305         default:
1306                 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1307                 return -EINVAL;
1308         }
1309 }
1310
1311 static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1312 {
1313         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1314         u32 data[CX2341X_MBOX_MAX_DATA];
1315         struct yuv_playback_info *yi = &itv->yuv_info;
1316
1317         int pixfmt;
1318         static u32 pixel_format[16] = {
1319                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */
1320                 V4L2_PIX_FMT_RGB565,
1321                 V4L2_PIX_FMT_RGB555,
1322                 V4L2_PIX_FMT_RGB444,
1323                 V4L2_PIX_FMT_RGB32,
1324                 0,
1325                 0,
1326                 0,
1327                 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */
1328                 V4L2_PIX_FMT_YUV565,
1329                 V4L2_PIX_FMT_YUV555,
1330                 V4L2_PIX_FMT_YUV444,
1331                 V4L2_PIX_FMT_YUV32,
1332                 0,
1333                 0,
1334                 0,
1335         };
1336
1337         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1338                 return -EINVAL;
1339         if (!itv->osd_video_pbase)
1340                 return -EINVAL;
1341
1342         fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1343                 V4L2_FBUF_CAP_GLOBAL_ALPHA;
1344
1345         ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1346         data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1347         pixfmt = (data[0] >> 3) & 0xf;
1348
1349         fb->fmt.pixelformat = pixel_format[pixfmt];
1350         fb->fmt.width = itv->osd_rect.width;
1351         fb->fmt.height = itv->osd_rect.height;
1352         fb->fmt.field = V4L2_FIELD_INTERLACED;
1353         fb->fmt.bytesperline = fb->fmt.width;
1354         fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
1355         fb->fmt.field = V4L2_FIELD_INTERLACED;
1356         fb->fmt.priv = 0;
1357         if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8)
1358                 fb->fmt.bytesperline *= 2;
1359         if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 ||
1360             fb->fmt.pixelformat == V4L2_PIX_FMT_YUV32)
1361                 fb->fmt.bytesperline *= 2;
1362         fb->fmt.sizeimage = fb->fmt.bytesperline * fb->fmt.height;
1363         fb->base = (void *)itv->osd_video_pbase;
1364         fb->flags = 0;
1365
1366         if (itv->osd_chroma_key_state)
1367                 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1368
1369         if (itv->osd_global_alpha_state)
1370                 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1371
1372         pixfmt &= 7;
1373
1374         /* no local alpha for RGB565 or unknown formats */
1375         if (pixfmt == 1 || pixfmt > 4)
1376                 return 0;
1377
1378         /* 16-bit formats have inverted local alpha */
1379         if (pixfmt == 2 || pixfmt == 3)
1380                 fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
1381         else
1382                 fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA;
1383
1384         if (itv->osd_local_alpha_state) {
1385                 /* 16-bit formats have inverted local alpha */
1386                 if (pixfmt == 2 || pixfmt == 3)
1387                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1388                 else
1389                         fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1390         }
1391         if (yi->track_osd)
1392                 fb->flags |= V4L2_FBUF_FLAG_OVERLAY;
1393
1394         return 0;
1395 }
1396
1397 static int ivtv_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1398 {
1399         struct ivtv_open_id *id = fh;
1400         struct ivtv *itv = id->itv;
1401         struct yuv_playback_info *yi = &itv->yuv_info;
1402
1403         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1404                 return -EINVAL;
1405         if (!itv->osd_video_pbase)
1406                 return -EINVAL;
1407
1408         itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1409         itv->osd_local_alpha_state =
1410                 (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0;
1411         itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1412         ivtv_set_osd_alpha(itv);
1413         yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0;
1414         return ivtv_g_fbuf(file, fh, fb);
1415 }
1416
1417 static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
1418 {
1419         struct ivtv_open_id *id = fh;
1420         struct ivtv *itv = id->itv;
1421
1422         if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1423                 return -EINVAL;
1424
1425         ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, on != 0);
1426
1427         return 0;
1428 }
1429
1430 static int ivtv_log_status(struct file *file, void *fh)
1431 {
1432         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1433         u32 data[CX2341X_MBOX_MAX_DATA];
1434
1435         int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1436         struct v4l2_input vidin;
1437         struct v4l2_audio audin;
1438         int i;
1439
1440         IVTV_INFO("=================  START STATUS CARD #%d  =================\n", itv->num);
1441         IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1442         if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1443                 struct tveeprom tv;
1444
1445                 ivtv_read_eeprom(itv, &tv);
1446         }
1447         ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1448         ivtv_get_input(itv, itv->active_input, &vidin);
1449         ivtv_get_audio_input(itv, itv->audio_input, &audin);
1450         IVTV_INFO("Video Input:  %s\n", vidin.name);
1451         IVTV_INFO("Audio Input:  %s%s\n", audin.name,
1452                 (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : "");
1453         if (has_output) {
1454                 struct v4l2_output vidout;
1455                 struct v4l2_audioout audout;
1456                 int mode = itv->output_mode;
1457                 static const char * const output_modes[5] = {
1458                         "None",
1459                         "MPEG Streaming",
1460                         "YUV Streaming",
1461                         "YUV Frames",
1462                         "Passthrough",
1463                 };
1464                 static const char * const audio_modes[5] = {
1465                         "Stereo",
1466                         "Left",
1467                         "Right",
1468                         "Mono",
1469                         "Swapped"
1470                 };
1471                 static const char * const alpha_mode[4] = {
1472                         "None",
1473                         "Global",
1474                         "Local",
1475                         "Global and Local"
1476                 };
1477                 static const char * const pixel_format[16] = {
1478                         "ARGB Indexed",
1479                         "RGB 5:6:5",
1480                         "ARGB 1:5:5:5",
1481                         "ARGB 1:4:4:4",
1482                         "ARGB 8:8:8:8",
1483                         "5",
1484                         "6",
1485                         "7",
1486                         "AYUV Indexed",
1487                         "YUV 5:6:5",
1488                         "AYUV 1:5:5:5",
1489                         "AYUV 1:4:4:4",
1490                         "AYUV 8:8:8:8",
1491                         "13",
1492                         "14",
1493                         "15",
1494                 };
1495
1496                 ivtv_get_output(itv, itv->active_output, &vidout);
1497                 ivtv_get_audio_output(itv, 0, &audout);
1498                 IVTV_INFO("Video Output: %s\n", vidout.name);
1499                 IVTV_INFO("Audio Output: %s (Stereo/Bilingual: %s/%s)\n", audout.name,
1500                         audio_modes[itv->audio_stereo_mode],
1501                         audio_modes[itv->audio_bilingual_mode]);
1502                 if (mode < 0 || mode > OUT_PASSTHROUGH)
1503                         mode = OUT_NONE;
1504                 IVTV_INFO("Output Mode:  %s\n", output_modes[mode]);
1505                 ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1506                 data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1507                 IVTV_INFO("Overlay:      %s, Alpha: %s, Pixel Format: %s\n",
1508                         data[0] & 1 ? "On" : "Off",
1509                         alpha_mode[(data[0] >> 1) & 0x3],
1510                         pixel_format[(data[0] >> 3) & 0xf]);
1511         }
1512         IVTV_INFO("Tuner:  %s\n",
1513                 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1514         cx2341x_log_status(&itv->params, itv->name);
1515         IVTV_INFO("Status flags:    0x%08lx\n", itv->i_flags);
1516         for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1517                 struct ivtv_stream *s = &itv->streams[i];
1518
1519                 if (s->v4l2dev == NULL || s->buffers == 0)
1520                         continue;
1521                 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1522                                 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1523                                 (s->buffers * s->buf_size) / 1024, s->buffers);
1524         }
1525
1526         IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1527         IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
1528
1529         return 0;
1530 }
1531
1532 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1533 {
1534         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1535         struct ivtv *itv = id->itv;
1536         int nonblocking = filp->f_flags & O_NONBLOCK;
1537         struct ivtv_stream *s = &itv->streams[id->type];
1538
1539         switch (cmd) {
1540         case IVTV_IOC_DMA_FRAME: {
1541                 struct ivtv_dma_frame *args = arg;
1542
1543                 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1544                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1545                         return -EINVAL;
1546                 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1547                         return -EINVAL;
1548                 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1549                         return 0;
1550                 if (ivtv_start_decoding(id, id->type)) {
1551                         return -EBUSY;
1552                 }
1553                 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1554                         ivtv_release_stream(s);
1555                         return -EBUSY;
1556                 }
1557                 /* Mark that this file handle started the UDMA_YUV mode */
1558                 id->yuv_frames = 1;
1559                 if (args->y_source == NULL)
1560                         return 0;
1561                 return ivtv_yuv_prep_frame(itv, args);
1562         }
1563
1564         case VIDEO_GET_PTS: {
1565                 u32 data[CX2341X_MBOX_MAX_DATA];
1566                 u64 *pts = arg;
1567
1568                 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1569                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1570                         *pts = s->dma_pts;
1571                         break;
1572                 }
1573                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1574                         return -EINVAL;
1575
1576                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1577                         *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1578                                         (u64)itv->last_dec_timing[1];
1579                         break;
1580                 }
1581                 *pts = 0;
1582                 if (atomic_read(&itv->decoding)) {
1583                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1584                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1585                                 return -EIO;
1586                         }
1587                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1588                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1589                         *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1590                         /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1591                 }
1592                 break;
1593         }
1594
1595         case VIDEO_GET_FRAME_COUNT: {
1596                 u32 data[CX2341X_MBOX_MAX_DATA];
1597                 u64 *frame = arg;
1598
1599                 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1600                 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1601                         *frame = 0;
1602                         break;
1603                 }
1604                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1605                         return -EINVAL;
1606
1607                 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1608                         *frame = itv->last_dec_timing[0];
1609                         break;
1610                 }
1611                 *frame = 0;
1612                 if (atomic_read(&itv->decoding)) {
1613                         if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1614                                 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1615                                 return -EIO;
1616                         }
1617                         memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1618                         set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1619                         *frame = data[0];
1620                 }
1621                 break;
1622         }
1623
1624         case VIDEO_PLAY: {
1625                 struct video_command vc;
1626
1627                 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1628                 memset(&vc, 0, sizeof(vc));
1629                 vc.cmd = VIDEO_CMD_PLAY;
1630                 return ivtv_video_command(itv, id, &vc, 0);
1631         }
1632
1633         case VIDEO_STOP: {
1634                 struct video_command vc;
1635
1636                 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1637                 memset(&vc, 0, sizeof(vc));
1638                 vc.cmd = VIDEO_CMD_STOP;
1639                 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1640                 return ivtv_video_command(itv, id, &vc, 0);
1641         }
1642
1643         case VIDEO_FREEZE: {
1644                 struct video_command vc;
1645
1646                 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1647                 memset(&vc, 0, sizeof(vc));
1648                 vc.cmd = VIDEO_CMD_FREEZE;
1649                 return ivtv_video_command(itv, id, &vc, 0);
1650         }
1651
1652         case VIDEO_CONTINUE: {
1653                 struct video_command vc;
1654
1655                 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1656                 memset(&vc, 0, sizeof(vc));
1657                 vc.cmd = VIDEO_CMD_CONTINUE;
1658                 return ivtv_video_command(itv, id, &vc, 0);
1659         }
1660
1661         case VIDEO_COMMAND:
1662         case VIDEO_TRY_COMMAND: {
1663                 struct video_command *vc = arg;
1664                 int try = (cmd == VIDEO_TRY_COMMAND);
1665
1666                 if (try)
1667                         IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
1668                 else
1669                         IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
1670                 return ivtv_video_command(itv, id, vc, try);
1671         }
1672
1673         case VIDEO_GET_EVENT: {
1674                 struct video_event *ev = arg;
1675                 DEFINE_WAIT(wait);
1676
1677                 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1678                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1679                         return -EINVAL;
1680                 memset(ev, 0, sizeof(*ev));
1681                 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1682
1683                 while (1) {
1684                         if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1685                                 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1686                         else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1687                                 ev->type = VIDEO_EVENT_VSYNC;
1688                                 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1689                                         VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1690                                 if (itv->output_mode == OUT_UDMA_YUV &&
1691                                         (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1692                                                                 IVTV_YUV_MODE_PROGRESSIVE) {
1693                                         ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1694                                 }
1695                         }
1696                         if (ev->type)
1697                                 return 0;
1698                         if (nonblocking)
1699                                 return -EAGAIN;
1700                         /* Wait for event. Note that serialize_lock is locked,
1701                            so to allow other processes to access the driver while
1702                            we are waiting unlock first and later lock again. */
1703                         mutex_unlock(&itv->serialize_lock);
1704                         prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1705                         if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1706                                 schedule();
1707                         finish_wait(&itv->event_waitq, &wait);
1708                         mutex_lock(&itv->serialize_lock);
1709                         if (signal_pending(current)) {
1710                                 /* return if a signal was received */
1711                                 IVTV_DEBUG_INFO("User stopped wait for event\n");
1712                                 return -EINTR;
1713                         }
1714                 }
1715                 break;
1716         }
1717
1718         default:
1719                 return -EINVAL;
1720         }
1721         return 0;
1722 }
1723
1724 static int ivtv_default(struct file *file, void *fh, int cmd, void *arg)
1725 {
1726         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1727
1728         switch (cmd) {
1729         case VIDIOC_INT_S_AUDIO_ROUTING: {
1730                 struct v4l2_routing *route = arg;
1731
1732                 ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, route);
1733                 break;
1734         }
1735
1736         case VIDIOC_INT_RESET: {
1737                 u32 val = *(u32 *)arg;
1738
1739                 if ((val == 0 && itv->options.newi2c) || (val & 0x01))
1740                         ivtv_reset_ir_gpio(itv);
1741                 if (val & 0x02)
1742                         itv->video_dec_func(itv, cmd, NULL);
1743                 break;
1744         }
1745
1746         default:
1747                 return -EINVAL;
1748         }
1749         return 0;
1750 }
1751
1752 static int ivtv_serialized_ioctl(struct ivtv *itv, struct inode *inode, struct file *filp,
1753                 unsigned int cmd, unsigned long arg)
1754 {
1755         struct video_device *vfd = video_devdata(filp);
1756         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1757         int ret;
1758
1759         /* Filter dvb ioctls that cannot be handled by the v4l ioctl framework */
1760         switch (cmd) {
1761         case VIDEO_SELECT_SOURCE:
1762                 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1763                 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1764                         return -EINVAL;
1765                 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1766
1767         case AUDIO_SET_MUTE:
1768                 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1769                 itv->speed_mute_audio = arg;
1770                 return 0;
1771
1772         case AUDIO_CHANNEL_SELECT:
1773                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1774                 if (arg > AUDIO_STEREO_SWAPPED)
1775                         return -EINVAL;
1776                 itv->audio_stereo_mode = arg;
1777                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1778                 return 0;
1779
1780         case AUDIO_BILINGUAL_CHANNEL_SELECT:
1781                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1782                 if (arg > AUDIO_STEREO_SWAPPED)
1783                         return -EINVAL;
1784                 itv->audio_bilingual_mode = arg;
1785                 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1786                 return 0;
1787
1788         case IVTV_IOC_DMA_FRAME:
1789         case VIDEO_GET_PTS:
1790         case VIDEO_GET_FRAME_COUNT:
1791         case VIDEO_GET_EVENT:
1792         case VIDEO_PLAY:
1793         case VIDEO_STOP:
1794         case VIDEO_FREEZE:
1795         case VIDEO_CONTINUE:
1796         case VIDEO_COMMAND:
1797         case VIDEO_TRY_COMMAND:
1798                 return ivtv_decoder_ioctls(filp, cmd, (void *)arg);
1799
1800         default:
1801                 break;
1802         }
1803
1804         /* check priority */
1805         switch (cmd) {
1806         case VIDIOC_S_CTRL:
1807         case VIDIOC_S_STD:
1808         case VIDIOC_S_INPUT:
1809         case VIDIOC_S_OUTPUT:
1810         case VIDIOC_S_TUNER:
1811         case VIDIOC_S_FREQUENCY:
1812         case VIDIOC_S_FMT:
1813         case VIDIOC_S_CROP:
1814         case VIDIOC_S_AUDIO:
1815         case VIDIOC_S_AUDOUT:
1816         case VIDIOC_S_EXT_CTRLS:
1817         case VIDIOC_S_FBUF:
1818         case VIDIOC_OVERLAY:
1819                 ret = v4l2_prio_check(&itv->prio, &id->prio);
1820                 if (ret)
1821                         return ret;
1822         }
1823
1824         if (ivtv_debug & IVTV_DBGFLG_IOCTL)
1825                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
1826         ret = video_ioctl2(inode, filp, cmd, arg);
1827         vfd->debug = 0;
1828         return ret;
1829 }
1830
1831 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1832                     unsigned long arg)
1833 {
1834         struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1835         struct ivtv *itv = id->itv;
1836         int res;
1837
1838         mutex_lock(&itv->serialize_lock);
1839         res = ivtv_serialized_ioctl(itv, inode, filp, cmd, arg);
1840         mutex_unlock(&itv->serialize_lock);
1841         return res;
1842 }
1843
1844 void ivtv_set_funcs(struct video_device *vdev)
1845 {
1846         vdev->vidioc_querycap               = ivtv_querycap;
1847         vdev->vidioc_g_priority             = ivtv_g_priority;
1848         vdev->vidioc_s_priority             = ivtv_s_priority;
1849         vdev->vidioc_s_audio                = ivtv_s_audio;
1850         vdev->vidioc_g_audio                = ivtv_g_audio;
1851         vdev->vidioc_enumaudio              = ivtv_enumaudio;
1852         vdev->vidioc_s_audout               = ivtv_s_audout;
1853         vdev->vidioc_g_audout               = ivtv_g_audout;
1854         vdev->vidioc_enum_input             = ivtv_enum_input;
1855         vdev->vidioc_enum_output            = ivtv_enum_output;
1856         vdev->vidioc_enumaudout             = ivtv_enumaudout;
1857         vdev->vidioc_cropcap                = ivtv_cropcap;
1858         vdev->vidioc_s_crop                 = ivtv_s_crop;
1859         vdev->vidioc_g_crop                 = ivtv_g_crop;
1860         vdev->vidioc_g_input                = ivtv_g_input;
1861         vdev->vidioc_s_input                = ivtv_s_input;
1862         vdev->vidioc_g_output               = ivtv_g_output;
1863         vdev->vidioc_s_output               = ivtv_s_output;
1864         vdev->vidioc_g_frequency            = ivtv_g_frequency;
1865         vdev->vidioc_s_frequency            = ivtv_s_frequency;
1866         vdev->vidioc_s_tuner                = ivtv_s_tuner;
1867         vdev->vidioc_g_tuner                = ivtv_g_tuner;
1868         vdev->vidioc_g_enc_index            = ivtv_g_enc_index;
1869         vdev->vidioc_g_fbuf                 = ivtv_g_fbuf;
1870         vdev->vidioc_s_fbuf                 = ivtv_s_fbuf;
1871         vdev->vidioc_g_std                  = ivtv_g_std;
1872         vdev->vidioc_s_std                  = ivtv_s_std;
1873         vdev->vidioc_overlay                = ivtv_overlay;
1874         vdev->vidioc_log_status             = ivtv_log_status;
1875         vdev->vidioc_enum_fmt_vid_cap       = ivtv_enum_fmt_vid_cap;
1876         vdev->vidioc_encoder_cmd            = ivtv_encoder_cmd;
1877         vdev->vidioc_try_encoder_cmd        = ivtv_try_encoder_cmd;
1878         vdev->vidioc_enum_fmt_vid_out       = ivtv_enum_fmt_vid_out;
1879         vdev->vidioc_g_fmt_vid_cap          = ivtv_g_fmt_vid_cap;
1880         vdev->vidioc_g_fmt_vbi_cap          = ivtv_g_fmt_vbi_cap;
1881         vdev->vidioc_g_fmt_sliced_vbi_cap   = ivtv_g_fmt_sliced_vbi_cap;
1882         vdev->vidioc_g_fmt_vid_out          = ivtv_g_fmt_vid_out;
1883         vdev->vidioc_g_fmt_vid_out_overlay  = ivtv_g_fmt_vid_out_overlay;
1884         vdev->vidioc_g_fmt_sliced_vbi_out   = ivtv_g_fmt_sliced_vbi_out;
1885         vdev->vidioc_s_fmt_vid_cap          = ivtv_s_fmt_vid_cap;
1886         vdev->vidioc_s_fmt_vbi_cap          = ivtv_s_fmt_vbi_cap;
1887         vdev->vidioc_s_fmt_sliced_vbi_cap   = ivtv_s_fmt_sliced_vbi_cap;
1888         vdev->vidioc_s_fmt_vid_out          = ivtv_s_fmt_vid_out;
1889         vdev->vidioc_s_fmt_vid_out_overlay  = ivtv_s_fmt_vid_out_overlay;
1890         vdev->vidioc_s_fmt_sliced_vbi_out   = ivtv_s_fmt_sliced_vbi_out;
1891         vdev->vidioc_try_fmt_vid_cap        = ivtv_try_fmt_vid_cap;
1892         vdev->vidioc_try_fmt_vbi_cap        = ivtv_try_fmt_vbi_cap;
1893         vdev->vidioc_try_fmt_sliced_vbi_cap = ivtv_try_fmt_sliced_vbi_cap;
1894         vdev->vidioc_try_fmt_vid_out        = ivtv_try_fmt_vid_out;
1895         vdev->vidioc_try_fmt_vid_out_overlay = ivtv_try_fmt_vid_out_overlay;
1896         vdev->vidioc_try_fmt_sliced_vbi_out = ivtv_try_fmt_sliced_vbi_out;
1897         vdev->vidioc_g_sliced_vbi_cap       = ivtv_g_sliced_vbi_cap;
1898         vdev->vidioc_g_chip_ident           = ivtv_g_chip_ident;
1899         vdev->vidioc_g_register             = ivtv_g_register;
1900         vdev->vidioc_s_register             = ivtv_s_register;
1901         vdev->vidioc_default                = ivtv_default;
1902         vdev->vidioc_queryctrl              = ivtv_queryctrl;
1903         vdev->vidioc_querymenu              = ivtv_querymenu;
1904         vdev->vidioc_g_ctrl                 = ivtv_g_ctrl;
1905         vdev->vidioc_s_ctrl                 = ivtv_s_ctrl;
1906         vdev->vidioc_g_ext_ctrls            = ivtv_g_ext_ctrls;
1907         vdev->vidioc_s_ext_ctrls            = ivtv_s_ext_ctrls;
1908         vdev->vidioc_try_ext_ctrls          = ivtv_try_ext_ctrls;
1909 }