stream/dvb_tune.c

   1 /* dvbtune - tune.c
   2
   3    Copyright (C) Dave Chapman 2001,2002
   4
   5    Modified for use with MPlayer, for details see the changelog at
   6    http://svn.mplayerhq.hu/mplayer/trunk/
   7    $Id$
   8
   9    This program is free software; you can redistribute it and/or
  10    modify it under the terms of the GNU General Public License
  11    as published by the Free Software Foundation; either version 2
  12    of the License, or (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22    Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  23
  24 */
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <ctype.h>
  29 #include <sys/ioctl.h>
  30 #include <sys/poll.h>
  31 #include <unistd.h>
  32 #include <fcntl.h>
  33 #include <time.h>
  34 #include <errno.h>
  35 #include "config.h"
  36
  37 #ifdef HAVE_DVB_HEAD
  38         #include <linux/dvb/dmx.h>
  39         #include <linux/dvb/frontend.h>
  40 #else
  41         #include <ost/dmx.h>
  42         #include <ost/sec.h>
  43         #include <ost/frontend.h>
  44 #endif
  45
  46 #include "dvbin.h"
  47 #include "mp_msg.h"
  48
  49
  50
  51 int dvb_get_tuner_type(int fe_fd)
  52 {
  53 #ifdef HAVE_DVB_HEAD
  54   struct dvb_frontend_info fe_info;
  55 #else
  56   FrontendInfo fe_info;
  57 #endif
  58
  59   int res;
  60
  61   res = ioctl(fe_fd, FE_GET_INFO, &fe_info);
  62   if(res < 0)
  63   {
  64         mp_msg(MSGT_DEMUX, MSGL_ERR, "FE_GET_INFO error: %d, FD: %d\n\n", errno, fe_fd);
  65         return 0;
  66   }
  67
  68   switch(fe_info.type)
  69   {
  70         case FE_OFDM:
  71       mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-T\n");
  72           return TUNER_TER;
  73
  74         case FE_QPSK:
  75       mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-S\n");
  76           return TUNER_SAT;
  77
  78         case FE_QAM:
  79       mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-C\n");
  80           return TUNER_CBL;
  81
  82 #ifdef DVB_ATSC
  83         case FE_ATSC:
  84       mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-ATSC\n");
  85           return TUNER_ATSC;
  86 #endif
  87         default:
  88           mp_msg(MSGT_DEMUX, MSGL_ERR, "UNKNOWN TUNER TYPE\n");
  89           return 0;
  90   }
  91
  92 }
  93
  94 int dvb_set_ts_filt(int fd, uint16_t pid, dmx_pes_type_t pestype);
  95
  96 int dvb_open_devices(dvb_priv_t *priv, int n, int demux_cnt)
  97 {
  98         int i;
  99         char frontend_dev[32], dvr_dev[32], demux_dev[32], sec_dev[32];
 100
 101 #ifdef HAVE_DVB_HEAD
 102         sprintf(frontend_dev, "/dev/dvb/adapter%d/frontend0", n);
 103         sprintf(dvr_dev, "/dev/dvb/adapter%d/dvr0", n);
 104         sprintf(demux_dev, "/dev/dvb/adapter%d/demux0", n);
 105 #else
 106         sprintf(frontend_dev, "/dev/ost/frontend%d", n);
 107         sprintf(dvr_dev, "/dev/ost/dvr%d", n);
 108         sprintf(demux_dev, "/dev/ost/demux%d", n);
 109         sprintf(sec_dev, "/dev/ost/sec%d", n);
 110 #endif
 111         priv->fe_fd = open(frontend_dev, O_RDWR | O_NONBLOCK);
 112         if(priv->fe_fd < 0)
 113         {
 114                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING FRONTEND DEVICE %s: ERRNO %d\n", frontend_dev, errno);
 115                 return 0;
 116         }
 117 #ifdef HAVE_DVB_HEAD
 118         priv->sec_fd=0;
 119 #else
 120         priv->sec_fd = open(sec_dev, O_RDWR);
 121         if(priv->sec_fd < 0)
 122         {
 123                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING SEC DEVICE %s: ERRNO %d\n", sec_dev, errno);
 124                 close(priv->fe_fd);
 125                 return 0;
 126         }
 127 #endif
 128         priv->demux_fds_cnt = 0;
 129         mp_msg(MSGT_DEMUX, MSGL_V, "DVB_OPEN_DEVICES(%d)\n", demux_cnt);
 130         for(i = 0; i < demux_cnt; i++)
 131         {
 132                 priv->demux_fds[i] = open(demux_dev, O_RDWR | O_NONBLOCK);
 133                 if(priv->demux_fds[i] < 0)
 134                 {
 135                         mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 0: %d\n", errno);
 136                         return 0;
 137                 }
 138                 else
 139                 {
 140                         mp_msg(MSGT_DEMUX, MSGL_V, "OPEN(%d), file %s: FD=%d, CNT=%d\n", i, demux_dev, priv->demux_fds[i], priv->demux_fds_cnt);
 141                         priv->demux_fds_cnt++;
 142                 }
 143         }
 144
 145
 146         priv->dvr_fd = open(dvr_dev, O_RDONLY| O_NONBLOCK);
 147         if(priv->dvr_fd < 0)
 148         {
 149                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DVR DEVICE %s: %d\n", dvr_dev, errno);
 150                 return 0;
 151         }
 152
 153         return 1;
 154 }
 155
 156
 157 int dvb_fix_demuxes(dvb_priv_t *priv, int cnt)
 158 {
 159         int i;
 160         char demux_dev[32];
 161
 162 #ifdef HAVE_DVB_HEAD
 163         sprintf(demux_dev, "/dev/dvb/adapter%d/demux0", priv->card);
 164 #else
 165         sprintf(demux_dev, "/dev/ost/demux%d", priv->card);
 166 #endif
 167
 168         mp_msg(MSGT_DEMUX, MSGL_V, "FIX %d -> %d\n", priv->demux_fds_cnt, cnt);
 169         if(priv->demux_fds_cnt >= cnt)
 170         {
 171                 for(i = priv->demux_fds_cnt-1; i >= cnt; i--)
 172                 {
 173                         mp_msg(MSGT_DEMUX, MSGL_V, "FIX, CLOSE fd(%d): %d\n", i, priv->demux_fds[i]);
 174                         close(priv->demux_fds[i]);
 175                 }
 176                 priv->demux_fds_cnt = cnt;
 177         }
 178         else if(priv->demux_fds_cnt < cnt)
 179         {
 180                 for(i = priv->demux_fds_cnt; i < cnt; i++)
 181                 {
 182                         priv->demux_fds[i] = open(demux_dev, O_RDWR | O_NONBLOCK);
 183                         mp_msg(MSGT_DEMUX, MSGL_V, "FIX, OPEN fd(%d): %d\n", i, priv->demux_fds[i]);
 184                         if(priv->demux_fds[i] < 0)
 185                         {
 186                                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 0: %d\n", errno);
 187                                 return 0;
 188                         }
 189                         else
 190                                 priv->demux_fds_cnt++;
 191                 }
 192         }
 193
 194         return 1;
 195 }
 196
 197 int dvb_set_ts_filt(int fd, uint16_t pid, dmx_pes_type_t pestype)
 198 {
 199         int i;
 200         struct dmx_pes_filter_params pesFilterParams;
 201
 202         pesFilterParams.pid     = pid;
 203         pesFilterParams.input   = DMX_IN_FRONTEND;
 204         pesFilterParams.output  = DMX_OUT_TS_TAP;
 205 #ifdef HAVE_DVB_HEAD
 206         pesFilterParams.pes_type = pestype;
 207 #else
 208         pesFilterParams.pesType = pestype;
 209 #endif
 210
 211         pesFilterParams.flags   = DMX_IMMEDIATE_START;
 212
 213         errno = 0;
 214         if ((i = ioctl(fd, DMX_SET_PES_FILTER, &pesFilterParams)) < 0)
 215         {
 216                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR IN SETTING DMX_FILTER %i for fd %d: ERRNO: %d", pid, fd, errno);
 217                 return 0;
 218         }
 219
 220         mp_msg(MSGT_DEMUX, MSGL_V, "SET PES FILTER ON PID %d to fd %d, RESULT: %d, ERRNO: %d\n", pid, fd, i, errno);
 221         return 1;
 222 }
 223
 224
 225 int dvb_demux_stop(int fd)
 226 {
 227         int i;
 228         i = ioctl(fd, DMX_STOP);
 229
 230         mp_msg(MSGT_DEMUX, MSGL_DBG2, "STOPPING FD: %d, RESULT: %d\n", fd, i);
 231
 232         return (i==0);
 233 }
 234
 235
 236 int dvb_demux_start(int fd)
 237 {
 238         int i;
 239         i = ioctl(fd, DMX_START);
 240
 241         mp_msg(MSGT_DEMUX, MSGL_DBG2, "STARTING FD: %d, RESULT: %d\n", fd, i);
 242
 243         return (i==0);
 244 }
 245
 246
 247 static int tune_it(int fd_frontend, int fd_sec, unsigned int freq, unsigned int srate, char pol, int tone,
 248         fe_spectral_inversion_t specInv, unsigned int diseqc, fe_modulation_t modulation, fe_code_rate_t HP_CodeRate,
 249         fe_transmit_mode_t TransmissionMode, fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth,
 250         fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int tmout);
 251
 252
 253 int dvb_tune(dvb_priv_t *priv, int freq, char pol, int srate, int diseqc, int tone,
 254                 fe_spectral_inversion_t specInv, fe_modulation_t modulation, fe_guard_interval_t guardInterval,
 255                 fe_transmit_mode_t TransmissionMode, fe_bandwidth_t bandWidth, fe_code_rate_t HP_CodeRate,
 256                 fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int timeout)
 257 {
 258         int ris;
 259
 260         mp_msg(MSGT_DEMUX, MSGL_INFO, "dvb_tune Freq: %lu\n", (long unsigned int) freq);
 261
 262                 ris = tune_it(priv->fe_fd, priv->sec_fd, freq, srate, pol, tone, specInv, diseqc, modulation, HP_CodeRate, TransmissionMode, guardInterval, bandWidth, LP_CodeRate, hier, timeout);
 263
 264         if(ris != 0)
 265                 mp_msg(MSGT_DEMUX, MSGL_INFO, "dvb_tune, TUNING FAILED\n");
 266
 267         return (ris == 0);
 268 }
 269
 270
 271 #ifndef HAVE_DVB_HEAD
 272 static int SecGetStatus (int fd, struct secStatus *state)
 273 {
 274     if(ioctl(fd, SEC_GET_STATUS, state) < 0)
 275     {
 276         mp_msg(MSGT_DEMUX, MSGL_ERR, ("SEC GET STATUS: "));
 277         return -1;
 278     }
 279
 280     switch (state->busMode)
 281     {
 282         case SEC_BUS_IDLE:
 283             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  IDLE (%d)\n",state->busMode);
 284             break;
 285         case SEC_BUS_BUSY:
 286             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  BUSY (%d)\n",state->busMode);
 287             break;
 288         case SEC_BUS_OFF:
 289             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  OFF  (%d)\n",state->busMode);
 290             break;
 291         case SEC_BUS_OVERLOAD:
 292             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  OVERLOAD (%d)\n",state->busMode);
 293             break;
 294         default:
 295             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  unknown  (%d)\n",state->busMode);
 296             break;
 297     }
 298
 299     switch (state->selVolt)
 300     {
 301         case SEC_VOLTAGE_OFF:
 302                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  OFF (%d)\n",state->selVolt);
 303                 break;
 304         case SEC_VOLTAGE_LT:
 305                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  LT  (%d)\n",state->selVolt);
 306                 break;
 307         case SEC_VOLTAGE_13:
 308                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  13  (%d)\n",state->selVolt);
 309                 break;
 310         case SEC_VOLTAGE_13_5:
 311                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  13.5 (%d)\n",state->selVolt);
 312                 break;
 313         case SEC_VOLTAGE_18:
 314                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  18 (%d)\n",state->selVolt);
 315                 break;
 316         case SEC_VOLTAGE_18_5:
 317                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  18.5 (%d)\n",state->selVolt);
 318                 break;
 319         default:
 320                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  unknown (%d)\n",state->selVolt);
 321                 break;
 322     }
 323
 324     mp_msg(MSGT_DEMUX, MSGL_V, "SEC CONT TONE: %s\n", (state->contTone == SEC_TONE_ON ? "ON" : "OFF"));
 325     return 0;
 326 }
 327
 328 #endif
 329
 330 static void print_status(fe_status_t festatus)
 331 {
 332         mp_msg(MSGT_DEMUX, MSGL_V, "FE_STATUS:");
 333         if (festatus & FE_HAS_SIGNAL) mp_msg(MSGT_DEMUX, MSGL_V," FE_HAS_SIGNAL");
 334 #ifdef HAVE_DVB_HEAD
 335         if (festatus & FE_TIMEDOUT) mp_msg(MSGT_DEMUX, MSGL_V, " FE_TIMEDOUT");
 336 #else
 337         if (festatus & FE_HAS_POWER) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_POWER");
 338         if (festatus & FE_SPECTRUM_INV) mp_msg(MSGT_DEMUX, MSGL_V, " FE_SPECTRUM_INV");
 339         if (festatus & FE_TUNER_HAS_LOCK) mp_msg(MSGT_DEMUX, MSGL_V, " FE_TUNER_HAS_LOCK");
 340 #endif
 341         if (festatus & FE_HAS_LOCK) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_LOCK");
 342         if (festatus & FE_HAS_CARRIER) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_CARRIER");
 343         if (festatus & FE_HAS_VITERBI) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_VITERBI");
 344         if (festatus & FE_HAS_SYNC) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_SYNC");
 345         mp_msg(MSGT_DEMUX, MSGL_V, "\n");
 346 }
 347
 348
 349 #ifdef HAVE_DVB_HEAD
 350 static int check_status(int fd_frontend, int tmout)
 351 {
 352         int32_t strength;
 353         fe_status_t festatus;
 354         struct pollfd pfd[1];
 355         int ok=0, locks=0;
 356         time_t tm1, tm2;
 357
 358         pfd[0].fd = fd_frontend;
 359         pfd[0].events = POLLPRI;
 360
 361         mp_msg(MSGT_DEMUX, MSGL_V, "Getting frontend status\n");
 362         tm1 = tm2 = time((time_t*) NULL);
 363         while(!ok)
 364         {
 365                 festatus = 0;
 366                 if(poll(pfd,1,tmout*1000) > 0)
 367                 {
 368                         if (pfd[0].revents & POLLPRI)
 369                         {
 370                                 if(ioctl(fd_frontend, FE_READ_STATUS, &festatus) >= 0)
 371                                         if(festatus & FE_HAS_LOCK)
 372                                                 locks++;
 373                         }
 374                 }
 375                 usleep(10000);
 376                 tm2 = time((time_t*) NULL);
 377                 if((festatus & FE_TIMEDOUT) || (locks >= 2) || (tm2 - tm1 >= tmout))
 378                         ok = 1;
 379         }
 380
 381         if(festatus & FE_HAS_LOCK)
 382         {
 383                 strength=0;
 384                 if(ioctl(fd_frontend,FE_READ_BER,&strength) >= 0)
 385                 mp_msg(MSGT_DEMUX, MSGL_V, "Bit error rate: %d\n",strength);
 386
 387                 strength=0;
 388                 if(ioctl(fd_frontend,FE_READ_SIGNAL_STRENGTH,&strength) >= 0)
 389                 mp_msg(MSGT_DEMUX, MSGL_V, "Signal strength: %d\n",strength);
 390
 391                 strength=0;
 392                 if(ioctl(fd_frontend,FE_READ_SNR,&strength) >= 0)
 393                 mp_msg(MSGT_DEMUX, MSGL_V, "SNR: %d\n",strength);
 394
 395                 strength=0;
 396                 if(ioctl(fd_frontend,FE_READ_UNCORRECTED_BLOCKS,&strength) >= 0)
 397                 mp_msg(MSGT_DEMUX, MSGL_V, "UNC: %d\n",strength);
 398
 399                 print_status(festatus);
 400         }
 401         else
 402         {
 403                 mp_msg(MSGT_DEMUX, MSGL_ERR, "Not able to lock to the signal on the given frequency, timeout: %d\n", tmout);
 404                 return -1;
 405         }
 406         return 0;
 407 }
 408
 409 #else
 410
 411 static int check_status(int fd_frontend, int tmout)
 412 {
 413         int i,res;
 414         int32_t strength;
 415         fe_status_t festatus;
 416         FrontendEvent event;
 417
 418         struct pollfd pfd[1];
 419
 420         i = 0; res = -1;
 421         while ((i < 3) && (res < 0))
 422         {
 423                 pfd[0].fd = fd_frontend;
 424                 pfd[0].events = POLLIN | POLLPRI;
 425
 426                 if(poll(pfd,1,tmout*1000) > 0)
 427                 {
 428                         if (pfd[0].revents & POLLPRI)
 429                         {
 430                                 mp_msg(MSGT_DEMUX, MSGL_V, "Getting frontend event\n");
 431                                 if ( ioctl(fd_frontend, FE_GET_EVENT, &event) < 0)
 432                                 {
 433                                         mp_msg(MSGT_DEMUX, MSGL_ERR, "FE_GET_EVENT");
 434                                         return -1;
 435                                 }
 436                                 mp_msg(MSGT_DEMUX, MSGL_V, "Received ");
 437                                 switch(event.type)
 438                                 {
 439                                         case FE_UNEXPECTED_EV:
 440                                         mp_msg(MSGT_DEMUX, MSGL_V, "unexpected event\n");
 441                                         res = -1;
 442                                         break;
 443
 444                                         case FE_FAILURE_EV:
 445                                         mp_msg(MSGT_DEMUX, MSGL_V, "failure event\n");
 446                                         res = -1;
 447                                         break;
 448
 449                                         case FE_COMPLETION_EV:
 450                                         mp_msg(MSGT_DEMUX, MSGL_V, "completion event\n");
 451                                         res = 0;
 452                                         break;
 453                                 }
 454                         }
 455                         i++;
 456                 }
 457         }
 458
 459         if (res > 0)
 460         switch (event.type)
 461         {
 462                 case FE_UNEXPECTED_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_UNEXPECTED_EV\n");
 463                         break;
 464                 case FE_COMPLETION_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_COMPLETION_EV\n");
 465                         break;
 466                 case FE_FAILURE_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_FAILURE_EV\n");
 467                         break;
 468         }
 469
 470         if (event.type == FE_COMPLETION_EV)
 471         {
 472                 strength=0;
 473                 if(ioctl(fd_frontend,FE_READ_BER,&strength) >= 0)
 474                 mp_msg(MSGT_DEMUX, MSGL_V, "Bit error rate: %d\n",strength);
 475
 476                 strength=0;
 477                 if(ioctl(fd_frontend,FE_READ_SIGNAL_STRENGTH,&strength) >= 0)
 478                 mp_msg(MSGT_DEMUX, MSGL_V, "Signal strength: %d\n",strength);
 479
 480                 strength=0;
 481                 if(ioctl(fd_frontend,FE_READ_SNR,&strength) >= 0)
 482                 mp_msg(MSGT_DEMUX, MSGL_V, "SNR: %d\n",strength);
 483
 484                 festatus=0;
 485                 mp_msg(MSGT_DEMUX, MSGL_V, "FE_STATUS:");
 486
 487                 if(ioctl(fd_frontend,FE_READ_STATUS,&festatus) >= 0)
 488                         print_status(festatus);
 489                 else
 490                         mp_msg(MSGT_DEMUX, MSGL_ERR, " ERROR, UNABLE TO READ_STATUS");
 491
 492                 mp_msg(MSGT_DEMUX, MSGL_V, "\n");
 493         }
 494         else
 495         {
 496                 mp_msg(MSGT_DEMUX, MSGL_V, "Not able to lock to the signal on the given frequency\n");
 497                 return -1;
 498         }
 499         return 0;
 500 }
 501 #endif
 502
 503 #ifdef HAVE_DVB_HEAD
 504
 505 struct diseqc_cmd {
 506    struct dvb_diseqc_master_cmd cmd;
 507    uint32_t wait;
 508 };
 509
 510 static int diseqc_send_msg(int fd, fe_sec_voltage_t v, struct diseqc_cmd *cmd,
 511                      fe_sec_tone_mode_t t, fe_sec_mini_cmd_t b)
 512 {
 513    if(ioctl(fd, FE_SET_TONE, SEC_TONE_OFF) == -1)
 514     return -1;
 515    if(ioctl(fd, FE_SET_VOLTAGE, v) == -1)
 516     return -1;
 517    usleep(15 * 1000);
 518    if(ioctl(fd, FE_DISEQC_SEND_MASTER_CMD, &cmd->cmd) == -1)
 519     return -1;
 520    usleep(cmd->wait * 1000);
 521    usleep(15 * 1000);
 522    if(ioctl(fd, FE_DISEQC_SEND_BURST, b) == -1)
 523     return -1;
 524    usleep(15 * 1000);
 525    if(ioctl(fd, FE_SET_TONE, t) == -1)
 526     return -1;
 527
 528     return 0;
 529 }
 530
 531 /* digital satellite equipment control,
 532  * specification is available from http://www.eutelsat.com/
 533  */
 534 static int do_diseqc(int secfd, int sat_no, int polv, int hi_lo)
 535 {
 536    struct diseqc_cmd cmd =  { {{0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, 4}, 0 };
 537
 538    /* param: high nibble: reset bits, low nibble set bits,
 539     * bits are: option, position, polarizaion, band
 540     */
 541    cmd.cmd.msg[3] =
 542        0xf0 | (((sat_no * 4) & 0x0f) | (hi_lo ? 1 : 0) | (polv ? 0 : 2));
 543
 544    return diseqc_send_msg(secfd, polv ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18,
 545                    &cmd, hi_lo ? SEC_TONE_ON : SEC_TONE_OFF,
 546                    (sat_no / 4) % 2 ? SEC_MINI_B : SEC_MINI_A);
 547 }
 548
 549 #else
 550
 551 static int do_diseqc(int secfd, int sat_no, int polv, int hi_lo)
 552 {
 553         struct secCommand scmd;
 554         struct secCmdSequence scmds;
 555
 556         scmds.continuousTone = (hi_lo ? SEC_TONE_ON : SEC_TONE_OFF);
 557         scmds.voltage = (polv ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18);
 558         scmds.miniCommand = SEC_MINI_NONE;
 559
 560         scmd.type = SEC_CMDTYPE_DISEQC;
 561         scmds.numCommands = 1;
 562         scmds.commands = &scmd;
 563
 564         scmd.u.diseqc.addr = 0x10;
 565         scmd.u.diseqc.cmd = 0x38;
 566         scmd.u.diseqc.numParams = 1;
 567         scmd.u.diseqc.params[0] = 0xf0 |
 568                                   (((sat_no) << 2) & 0x0F) |
 569                                   (hi_lo ? 1 : 0) |
 570                                   (polv ? 0 : 2);
 571
 572         if (ioctl(secfd,SEC_SEND_SEQUENCE,&scmds) < 0)
 573         {
 574           mp_msg(MSGT_DEMUX, MSGL_ERR, "Error sending DisEqC");
 575           return -1;
 576         }
 577
 578         return 0;
 579 }
 580 #endif
 581
 582 static int tune_it(int fd_frontend, int fd_sec, unsigned int freq, unsigned int srate, char pol, int tone,
 583         fe_spectral_inversion_t specInv, unsigned int diseqc, fe_modulation_t modulation, fe_code_rate_t HP_CodeRate,
 584         fe_transmit_mode_t TransmissionMode, fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth,
 585         fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int timeout)
 586 {
 587   int res, hi_lo, dfd;
 588 #ifdef HAVE_DVB_HEAD
 589   struct dvb_frontend_parameters feparams;
 590   struct dvb_frontend_info fe_info;
 591 #else
 592   FrontendParameters feparams;
 593   FrontendInfo fe_info;
 594   FrontendEvent event;
 595   struct secStatus sec_state;
 596 #endif
 597
 598
 599   mp_msg(MSGT_DEMUX, MSGL_V,  "TUNE_IT, fd_frontend %d, fd_sec %d\nfreq %lu, srate %lu, pol %c, tone %i, specInv, diseqc %u, fe_modulation_t modulation,fe_code_rate_t HP_CodeRate, fe_transmit_mode_t TransmissionMode,fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth\n",
 600     fd_frontend, fd_sec, (long unsigned int)freq, (long unsigned int)srate, pol, tone, diseqc);
 601
 602
 603   memset(&feparams, 0, sizeof(feparams));
 604   if ( (res = ioctl(fd_frontend,FE_GET_INFO, &fe_info) < 0))
 605   {
 606         mp_msg(MSGT_DEMUX, MSGL_FATAL, "FE_GET_INFO FAILED\n");
 607         return -1;
 608   }
 609
 610
 611 #ifdef HAVE_DVB_HEAD
 612   mp_msg(MSGT_DEMUX, MSGL_V, "Using DVB card \"%s\"\n", fe_info.name);
 613 #endif
 614
 615   switch(fe_info.type)
 616   {
 617     case FE_OFDM:
 618 #ifdef HAVE_DVB_HEAD
 619       if (freq < 1000000) freq*=1000UL;
 620       feparams.frequency=freq;
 621       feparams.inversion=specInv;
 622       feparams.u.ofdm.bandwidth=bandwidth;
 623       feparams.u.ofdm.code_rate_HP=HP_CodeRate;
 624       feparams.u.ofdm.code_rate_LP=LP_CodeRate;
 625       feparams.u.ofdm.constellation=modulation;
 626       feparams.u.ofdm.transmission_mode=TransmissionMode;
 627       feparams.u.ofdm.guard_interval=guardInterval;
 628       feparams.u.ofdm.hierarchy_information=hier;
 629 #else
 630       if (freq < 1000000) freq*=1000UL;
 631       feparams.Frequency=freq;
 632       feparams.Inversion=specInv;
 633       feparams.u.ofdm.bandWidth=bandwidth;
 634       feparams.u.ofdm.HP_CodeRate=HP_CodeRate;
 635       feparams.u.ofdm.LP_CodeRate=LP_CodeRate;
 636       feparams.u.ofdm.Constellation=modulation;
 637       feparams.u.ofdm.TransmissionMode=TransmissionMode;
 638       feparams.u.ofdm.guardInterval=guardInterval;
 639       feparams.u.ofdm.HierarchyInformation=hier;
 640 #endif
 641       mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-T to %d Hz, bandwidth: %d\n",freq, bandwidth);
 642       break;
 643     case FE_QPSK:
 644       if (freq > 2200000)
 645       {
 646         // this must be an absolute frequency
 647         if (freq < SLOF)
 648         {
 649 #ifdef HAVE_DVB_HEAD
 650           freq = feparams.frequency=(freq-LOF1);
 651 #else
 652           freq = feparams.Frequency=(freq-LOF1);
 653 #endif
 654           hi_lo = 0;
 655         }
 656         else
 657         {
 658 #ifdef HAVE_DVB_HEAD
 659           freq = feparams.frequency=(freq-LOF2);
 660 #else
 661           freq = feparams.Frequency=(freq-LOF2);
 662 #endif
 663           hi_lo = 1;
 664         }
 665       }
 666       else
 667       {
 668         // this is an L-Band frequency
 669 #ifdef HAVE_DVB_HEAD
 670        feparams.frequency=freq;
 671 #else
 672        feparams.Frequency=freq;
 673 #endif
 674       }
 675
 676 #ifdef HAVE_DVB_HEAD
 677       feparams.inversion=specInv;
 678       feparams.u.qpsk.symbol_rate=srate;
 679       feparams.u.qpsk.fec_inner=HP_CodeRate;
 680       dfd = fd_frontend;
 681 #else
 682       feparams.Inversion=specInv;
 683       feparams.u.qpsk.SymbolRate=srate;
 684       feparams.u.qpsk.FEC_inner=HP_CodeRate;
 685       dfd = fd_sec;
 686 #endif
 687
 688       mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-S to Freq: %u, Pol: %c Srate: %d, 22kHz: %s, LNB:  %d\n",freq,pol,srate,hi_lo ? "on" : "off", diseqc);
 689
 690       if(do_diseqc(dfd, diseqc, (pol == 'V' ? 1 : 0), hi_lo) == 0)
 691           mp_msg(MSGT_DEMUX, MSGL_V, "DISEQC SETTING SUCCEDED\n");
 692       else
 693       {
 694           mp_msg(MSGT_DEMUX, MSGL_ERR, "DISEQC SETTING FAILED\n");
 695           return -1;
 696       }
 697       break;
 698     case FE_QAM:
 699       mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-C to %d, srate=%d\n",freq,srate);
 700 #ifdef HAVE_DVB_HEAD
 701       feparams.frequency=freq;
 702       feparams.inversion=specInv;
 703       feparams.u.qam.symbol_rate = srate;
 704       feparams.u.qam.fec_inner = HP_CodeRate;
 705       feparams.u.qam.modulation = modulation;
 706 #else
 707       feparams.Frequency=freq;
 708       feparams.Inversion=specInv;
 709       feparams.u.qam.SymbolRate = srate;
 710       feparams.u.qam.FEC_inner = HP_CodeRate;
 711       feparams.u.qam.QAM = modulation;
 712 #endif
 713       break;
 714 #ifdef DVB_ATSC
 715     case FE_ATSC:
 716       mp_msg(MSGT_DEMUX, MSGL_V, "tuning ATSC to %d, modulation=%d\n",freq,modulation);
 717       feparams.frequency=freq;
 718       feparams.u.vsb.modulation = modulation;
 719       break;
 720 #endif
 721     default:
 722       mp_msg(MSGT_DEMUX, MSGL_V, "Unknown FE type. Aborting\n");
 723       return 0;
 724   }
 725   usleep(100000);
 726
 727 #ifndef HAVE_DVB_HEAD
 728   if (fd_sec) SecGetStatus(fd_sec, &sec_state);
 729   while(1)
 730   {
 731     if(ioctl(fd_frontend, FE_GET_EVENT, &event) == -1)
 732     break;
 733   }
 734 #endif
 735
 736   if(ioctl(fd_frontend,FE_SET_FRONTEND,&feparams) < 0)
 737   {
 738     mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR tuning channel\n");
 739     return -1;
 740   }
 741
 742   return(check_status(fd_frontend, timeout));
 743 }