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 <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 CONFIG_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 CONFIG_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];
 100 #ifndef CONFIG_DVB_HEAD
 101         char sec_dev[32];
 102 #endif
 103
 104 #ifdef CONFIG_DVB_HEAD
 105         sprintf(frontend_dev, "/dev/dvb/adapter%d/frontend0", n);
 106         sprintf(dvr_dev, "/dev/dvb/adapter%d/dvr0", n);
 107         sprintf(demux_dev, "/dev/dvb/adapter%d/demux0", n);
 108 #else
 109         sprintf(frontend_dev, "/dev/ost/frontend%d", n);
 110         sprintf(dvr_dev, "/dev/ost/dvr%d", n);
 111         sprintf(demux_dev, "/dev/ost/demux%d", n);
 112         sprintf(sec_dev, "/dev/ost/sec%d", n);
 113 #endif
 114         priv->fe_fd = open(frontend_dev, O_RDWR | O_NONBLOCK);
 115         if(priv->fe_fd < 0)
 116         {
 117                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING FRONTEND DEVICE %s: ERRNO %d\n", frontend_dev, errno);
 118                 return 0;
 119         }
 120 #ifndef CONFIG_DVB_HEAD
 121         priv->sec_fd = open(sec_dev, O_RDWR);
 122         if(priv->sec_fd < 0)
 123         {
 124                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING SEC DEVICE %s: ERRNO %d\n", sec_dev, errno);
 125                 close(priv->fe_fd);
 126                 return 0;
 127         }
 128 #endif
 129         priv->demux_fds_cnt = 0;
 130         mp_msg(MSGT_DEMUX, MSGL_V, "DVB_OPEN_DEVICES(%d)\n", demux_cnt);
 131         for(i = 0; i < demux_cnt; i++)
 132         {
 133                 priv->demux_fds[i] = open(demux_dev, O_RDWR | O_NONBLOCK);
 134                 if(priv->demux_fds[i] < 0)
 135                 {
 136                         mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 0: %d\n", errno);
 137                         return 0;
 138                 }
 139                 else
 140                 {
 141                         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);
 142                         priv->demux_fds_cnt++;
 143                 }
 144         }
 145
 146
 147         priv->dvr_fd = open(dvr_dev, O_RDONLY| O_NONBLOCK);
 148         if(priv->dvr_fd < 0)
 149         {
 150                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DVR DEVICE %s: %d\n", dvr_dev, errno);
 151                 return 0;
 152         }
 153
 154         return 1;
 155 }
 156
 157
 158 int dvb_fix_demuxes(dvb_priv_t *priv, int cnt)
 159 {
 160         int i;
 161         char demux_dev[32];
 162
 163 #ifdef CONFIG_DVB_HEAD
 164         sprintf(demux_dev, "/dev/dvb/adapter%d/demux0", priv->card);
 165 #else
 166         sprintf(demux_dev, "/dev/ost/demux%d", priv->card);
 167 #endif
 168
 169         mp_msg(MSGT_DEMUX, MSGL_V, "FIX %d -> %d\n", priv->demux_fds_cnt, cnt);
 170         if(priv->demux_fds_cnt >= cnt)
 171         {
 172                 for(i = priv->demux_fds_cnt-1; i >= cnt; i--)
 173                 {
 174                         mp_msg(MSGT_DEMUX, MSGL_V, "FIX, CLOSE fd(%d): %d\n", i, priv->demux_fds[i]);
 175                         close(priv->demux_fds[i]);
 176                 }
 177                 priv->demux_fds_cnt = cnt;
 178         }
 179         else if(priv->demux_fds_cnt < cnt)
 180         {
 181                 for(i = priv->demux_fds_cnt; i < cnt; i++)
 182                 {
 183                         priv->demux_fds[i] = open(demux_dev, O_RDWR | O_NONBLOCK);
 184                         mp_msg(MSGT_DEMUX, MSGL_V, "FIX, OPEN fd(%d): %d\n", i, priv->demux_fds[i]);
 185                         if(priv->demux_fds[i] < 0)
 186                         {
 187                                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 0: %d\n", errno);
 188                                 return 0;
 189                         }
 190                         else
 191                                 priv->demux_fds_cnt++;
 192                 }
 193         }
 194
 195         return 1;
 196 }
 197
 198 int dvb_set_ts_filt(int fd, uint16_t pid, dmx_pes_type_t pestype)
 199 {
 200         int i;
 201         struct dmx_pes_filter_params pesFilterParams;
 202
 203         pesFilterParams.pid     = pid;
 204         pesFilterParams.input   = DMX_IN_FRONTEND;
 205         pesFilterParams.output  = DMX_OUT_TS_TAP;
 206 #ifdef CONFIG_DVB_HEAD
 207         pesFilterParams.pes_type = pestype;
 208 #else
 209         pesFilterParams.pesType = pestype;
 210 #endif
 211
 212         pesFilterParams.flags   = DMX_IMMEDIATE_START;
 213
 214         errno = 0;
 215         if ((i = ioctl(fd, DMX_SET_PES_FILTER, &pesFilterParams)) < 0)
 216         {
 217                 mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR IN SETTING DMX_FILTER %i for fd %d: ERRNO: %d", pid, fd, errno);
 218                 return 0;
 219         }
 220
 221         mp_msg(MSGT_DEMUX, MSGL_V, "SET PES FILTER ON PID %d to fd %d, RESULT: %d, ERRNO: %d\n", pid, fd, i, errno);
 222         return 1;
 223 }
 224
 225
 226 int dvb_demux_stop(int fd)
 227 {
 228         int i;
 229         i = ioctl(fd, DMX_STOP);
 230
 231         mp_msg(MSGT_DEMUX, MSGL_DBG2, "STOPPING FD: %d, RESULT: %d\n", fd, i);
 232
 233         return i == 0;
 234 }
 235
 236
 237 int dvb_demux_start(int fd)
 238 {
 239         int i;
 240         i = ioctl(fd, DMX_START);
 241
 242         mp_msg(MSGT_DEMUX, MSGL_DBG2, "STARTING FD: %d, RESULT: %d\n", fd, i);
 243
 244         return i == 0;
 245 }
 246
 247
 248 static int tune_it(int fd_frontend, int fd_sec, unsigned int freq, unsigned int srate, char pol, int tone,
 249         fe_spectral_inversion_t specInv, unsigned int diseqc, fe_modulation_t modulation, fe_code_rate_t HP_CodeRate,
 250         fe_transmit_mode_t TransmissionMode, fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth,
 251         fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int tmout);
 252
 253
 254 int dvb_tune(dvb_priv_t *priv, int freq, char pol, int srate, int diseqc, int tone,
 255                 fe_spectral_inversion_t specInv, fe_modulation_t modulation, fe_guard_interval_t guardInterval,
 256                 fe_transmit_mode_t TransmissionMode, fe_bandwidth_t bandWidth, fe_code_rate_t HP_CodeRate,
 257                 fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int timeout)
 258 {
 259         int ris;
 260
 261         mp_msg(MSGT_DEMUX, MSGL_INFO, "dvb_tune Freq: %lu\n", (long unsigned int) freq);
 262
 263                 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);
 264
 265         if(ris != 0)
 266                 mp_msg(MSGT_DEMUX, MSGL_INFO, "dvb_tune, TUNING FAILED\n");
 267
 268         return ris == 0;
 269 }
 270
 271
 272 #ifndef CONFIG_DVB_HEAD
 273 static int SecGetStatus (int fd, struct secStatus *state)
 274 {
 275     if(ioctl(fd, SEC_GET_STATUS, state) < 0)
 276     {
 277         mp_msg(MSGT_DEMUX, MSGL_ERR, ("SEC GET STATUS: "));
 278         return -1;
 279     }
 280
 281     switch (state->busMode)
 282     {
 283         case SEC_BUS_IDLE:
 284             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  IDLE (%d)\n",state->busMode);
 285             break;
 286         case SEC_BUS_BUSY:
 287             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  BUSY (%d)\n",state->busMode);
 288             break;
 289         case SEC_BUS_OFF:
 290             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  OFF  (%d)\n",state->busMode);
 291             break;
 292         case SEC_BUS_OVERLOAD:
 293             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  OVERLOAD (%d)\n",state->busMode);
 294             break;
 295         default:
 296             mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  unknown  (%d)\n",state->busMode);
 297             break;
 298     }
 299
 300     switch (state->selVolt)
 301     {
 302         case SEC_VOLTAGE_OFF:
 303                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  OFF (%d)\n",state->selVolt);
 304                 break;
 305         case SEC_VOLTAGE_LT:
 306                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  LT  (%d)\n",state->selVolt);
 307                 break;
 308         case SEC_VOLTAGE_13:
 309                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  13  (%d)\n",state->selVolt);
 310                 break;
 311         case SEC_VOLTAGE_13_5:
 312                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  13.5 (%d)\n",state->selVolt);
 313                 break;
 314         case SEC_VOLTAGE_18:
 315                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  18 (%d)\n",state->selVolt);
 316                 break;
 317         case SEC_VOLTAGE_18_5:
 318                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  18.5 (%d)\n",state->selVolt);
 319                 break;
 320         default:
 321                 mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  unknown (%d)\n",state->selVolt);
 322                 break;
 323     }
 324
 325     mp_msg(MSGT_DEMUX, MSGL_V, "SEC CONT TONE: %s\n", (state->contTone == SEC_TONE_ON ? "ON" : "OFF"));
 326     return 0;
 327 }
 328
 329 #endif
 330
 331 static void print_status(fe_status_t festatus)
 332 {
 333         mp_msg(MSGT_DEMUX, MSGL_V, "FE_STATUS:");
 334         if (festatus & FE_HAS_SIGNAL) mp_msg(MSGT_DEMUX, MSGL_V," FE_HAS_SIGNAL");
 335 #ifdef CONFIG_DVB_HEAD
 336         if (festatus & FE_TIMEDOUT) mp_msg(MSGT_DEMUX, MSGL_V, " FE_TIMEDOUT");
 337 #else
 338         if (festatus & FE_HAS_POWER) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_POWER");
 339         if (festatus & FE_SPECTRUM_INV) mp_msg(MSGT_DEMUX, MSGL_V, " FE_SPECTRUM_INV");
 340         if (festatus & FE_TUNER_HAS_LOCK) mp_msg(MSGT_DEMUX, MSGL_V, " FE_TUNER_HAS_LOCK");
 341 #endif
 342         if (festatus & FE_HAS_LOCK) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_LOCK");
 343         if (festatus & FE_HAS_CARRIER) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_CARRIER");
 344         if (festatus & FE_HAS_VITERBI) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_VITERBI");
 345         if (festatus & FE_HAS_SYNC) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_SYNC");
 346         mp_msg(MSGT_DEMUX, MSGL_V, "\n");
 347 }
 348
 349
 350 #ifdef CONFIG_DVB_HEAD
 351 static int check_status(int fd_frontend, int tmout)
 352 {
 353         int32_t strength;
 354         fe_status_t festatus;
 355         struct pollfd pfd[1];
 356         int ok=0, locks=0;
 357         time_t tm1, tm2;
 358
 359         pfd[0].fd = fd_frontend;
 360         pfd[0].events = POLLPRI;
 361
 362         mp_msg(MSGT_DEMUX, MSGL_V, "Getting frontend status\n");
 363         tm1 = tm2 = time((time_t*) NULL);
 364         while(!ok)
 365         {
 366                 festatus = 0;
 367                 if(poll(pfd,1,tmout*1000) > 0)
 368                 {
 369                         if (pfd[0].revents & POLLPRI)
 370                         {
 371                                 if(ioctl(fd_frontend, FE_READ_STATUS, &festatus) >= 0)
 372                                         if(festatus & FE_HAS_LOCK)
 373                                                 locks++;
 374                         }
 375                 }
 376                 usleep(10000);
 377                 tm2 = time((time_t*) NULL);
 378                 if((festatus & FE_TIMEDOUT) || (locks >= 2) || (tm2 - tm1 >= tmout))
 379                         ok = 1;
 380         }
 381
 382         if(festatus & FE_HAS_LOCK)
 383         {
 384                 strength=0;
 385                 if(ioctl(fd_frontend,FE_READ_BER,&strength) >= 0)
 386                 mp_msg(MSGT_DEMUX, MSGL_V, "Bit error rate: %d\n",strength);
 387
 388                 strength=0;
 389                 if(ioctl(fd_frontend,FE_READ_SIGNAL_STRENGTH,&strength) >= 0)
 390                 mp_msg(MSGT_DEMUX, MSGL_V, "Signal strength: %d\n",strength);
 391
 392                 strength=0;
 393                 if(ioctl(fd_frontend,FE_READ_SNR,&strength) >= 0)
 394                 mp_msg(MSGT_DEMUX, MSGL_V, "SNR: %d\n",strength);
 395
 396                 strength=0;
 397                 if(ioctl(fd_frontend,FE_READ_UNCORRECTED_BLOCKS,&strength) >= 0)
 398                 mp_msg(MSGT_DEMUX, MSGL_V, "UNC: %d\n",strength);
 399
 400                 print_status(festatus);
 401         }
 402         else
 403         {
 404                 mp_msg(MSGT_DEMUX, MSGL_ERR, "Not able to lock to the signal on the given frequency, timeout: %d\n", tmout);
 405                 return -1;
 406         }
 407         return 0;
 408 }
 409
 410 #else
 411
 412 static int check_status(int fd_frontend, int tmout)
 413 {
 414         int i,res;
 415         int32_t strength;
 416         fe_status_t festatus;
 417         FrontendEvent event;
 418
 419         struct pollfd pfd[1];
 420
 421         i = 0; res = -1;
 422         while ((i < 3) && (res < 0))
 423         {
 424                 pfd[0].fd = fd_frontend;
 425                 pfd[0].events = POLLIN | POLLPRI;
 426
 427                 if(poll(pfd,1,tmout*1000) > 0)
 428                 {
 429                         if (pfd[0].revents & POLLPRI)
 430                         {
 431                                 mp_msg(MSGT_DEMUX, MSGL_V, "Getting frontend event\n");
 432                                 if ( ioctl(fd_frontend, FE_GET_EVENT, &event) < 0)
 433                                 {
 434                                         mp_msg(MSGT_DEMUX, MSGL_ERR, "FE_GET_EVENT");
 435                                         return -1;
 436                                 }
 437                                 mp_msg(MSGT_DEMUX, MSGL_V, "Received ");
 438                                 switch(event.type)
 439                                 {
 440                                         case FE_UNEXPECTED_EV:
 441                                         mp_msg(MSGT_DEMUX, MSGL_V, "unexpected event\n");
 442                                         res = -1;
 443                                         break;
 444
 445                                         case FE_FAILURE_EV:
 446                                         mp_msg(MSGT_DEMUX, MSGL_V, "failure event\n");
 447                                         res = -1;
 448                                         break;
 449
 450                                         case FE_COMPLETION_EV:
 451                                         mp_msg(MSGT_DEMUX, MSGL_V, "completion event\n");
 452                                         res = 0;
 453                                         break;
 454                                 }
 455                         }
 456                         i++;
 457                 }
 458         }
 459
 460         if (res > 0)
 461         switch (event.type)
 462         {
 463                 case FE_UNEXPECTED_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_UNEXPECTED_EV\n");
 464                         break;
 465                 case FE_COMPLETION_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_COMPLETION_EV\n");
 466                         break;
 467                 case FE_FAILURE_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_FAILURE_EV\n");
 468                         break;
 469         }
 470
 471         if (event.type == FE_COMPLETION_EV)
 472         {
 473                 strength=0;
 474                 if(ioctl(fd_frontend,FE_READ_BER,&strength) >= 0)
 475                 mp_msg(MSGT_DEMUX, MSGL_V, "Bit error rate: %d\n",strength);
 476
 477                 strength=0;
 478                 if(ioctl(fd_frontend,FE_READ_SIGNAL_STRENGTH,&strength) >= 0)
 479                 mp_msg(MSGT_DEMUX, MSGL_V, "Signal strength: %d\n",strength);
 480
 481                 strength=0;
 482                 if(ioctl(fd_frontend,FE_READ_SNR,&strength) >= 0)
 483                 mp_msg(MSGT_DEMUX, MSGL_V, "SNR: %d\n",strength);
 484
 485                 festatus=0;
 486                 mp_msg(MSGT_DEMUX, MSGL_V, "FE_STATUS:");
 487
 488                 if(ioctl(fd_frontend,FE_READ_STATUS,&festatus) >= 0)
 489                         print_status(festatus);
 490                 else
 491                         mp_msg(MSGT_DEMUX, MSGL_ERR, " ERROR, UNABLE TO READ_STATUS");
 492
 493                 mp_msg(MSGT_DEMUX, MSGL_V, "\n");
 494         }
 495         else
 496         {
 497                 mp_msg(MSGT_DEMUX, MSGL_V, "Not able to lock to the signal on the given frequency\n");
 498                 return -1;
 499         }
 500         return 0;
 501 }
 502 #endif
 503
 504 #ifdef CONFIG_DVB_HEAD
 505
 506 struct diseqc_cmd {
 507    struct dvb_diseqc_master_cmd cmd;
 508    uint32_t wait;
 509 };
 510
 511 static int diseqc_send_msg(int fd, fe_sec_voltage_t v, struct diseqc_cmd *cmd,
 512                      fe_sec_tone_mode_t t, fe_sec_mini_cmd_t b)
 513 {
 514    if(ioctl(fd, FE_SET_TONE, SEC_TONE_OFF) == -1)
 515     return -1;
 516    if(ioctl(fd, FE_SET_VOLTAGE, v) == -1)
 517     return -1;
 518    usleep(15 * 1000);
 519    if(ioctl(fd, FE_DISEQC_SEND_MASTER_CMD, &cmd->cmd) == -1)
 520     return -1;
 521    usleep(cmd->wait * 1000);
 522    usleep(15 * 1000);
 523    if(ioctl(fd, FE_DISEQC_SEND_BURST, b) == -1)
 524     return -1;
 525    usleep(15 * 1000);
 526    if(ioctl(fd, FE_SET_TONE, t) == -1)
 527     return -1;
 528
 529     return 0;
 530 }
 531
 532 /* digital satellite equipment control,
 533  * specification is available from http://www.eutelsat.com/
 534  */
 535 static int do_diseqc(int secfd, int sat_no, int polv, int hi_lo)
 536 {
 537    struct diseqc_cmd cmd =  { {{0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, 4}, 0 };
 538
 539    /* param: high nibble: reset bits, low nibble set bits,
 540     * bits are: option, position, polarizaion, band
 541     */
 542    cmd.cmd.msg[3] =
 543        0xf0 | (((sat_no * 4) & 0x0f) | (hi_lo ? 1 : 0) | (polv ? 0 : 2));
 544
 545    return diseqc_send_msg(secfd, polv ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18,
 546                    &cmd, hi_lo ? SEC_TONE_ON : SEC_TONE_OFF,
 547                    (sat_no / 4) % 2 ? SEC_MINI_B : SEC_MINI_A);
 548 }
 549
 550 #else
 551
 552 static int do_diseqc(int secfd, int sat_no, int polv, int hi_lo)
 553 {
 554         struct secCommand scmd;
 555         struct secCmdSequence scmds;
 556
 557         scmds.continuousTone = (hi_lo ? SEC_TONE_ON : SEC_TONE_OFF);
 558         scmds.voltage = (polv ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18);
 559         scmds.miniCommand = SEC_MINI_NONE;
 560
 561         scmd.type = SEC_CMDTYPE_DISEQC;
 562         scmds.numCommands = 1;
 563         scmds.commands = &scmd;
 564
 565         scmd.u.diseqc.addr = 0x10;
 566         scmd.u.diseqc.cmd = 0x38;
 567         scmd.u.diseqc.numParams = 1;
 568         scmd.u.diseqc.params[0] = 0xf0 |
 569                                   (((sat_no) << 2) & 0x0F) |
 570                                   (hi_lo ? 1 : 0) |
 571                                   (polv ? 0 : 2);
 572
 573         if (ioctl(secfd,SEC_SEND_SEQUENCE,&scmds) < 0)
 574         {
 575           mp_msg(MSGT_DEMUX, MSGL_ERR, "Error sending DisEqC");
 576           return -1;
 577         }
 578
 579         return 0;
 580 }
 581 #endif
 582
 583 static int tune_it(int fd_frontend, int fd_sec, unsigned int freq, unsigned int srate, char pol, int tone,
 584         fe_spectral_inversion_t specInv, unsigned int diseqc, fe_modulation_t modulation, fe_code_rate_t HP_CodeRate,
 585         fe_transmit_mode_t TransmissionMode, fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth,
 586         fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int timeout)
 587 {
 588   int res, hi_lo, dfd;
 589 #ifdef CONFIG_DVB_HEAD
 590   struct dvb_frontend_parameters feparams;
 591   struct dvb_frontend_info fe_info;
 592 #else
 593   FrontendParameters feparams;
 594   FrontendInfo fe_info;
 595   FrontendEvent event;
 596   struct secStatus sec_state;
 597 #endif
 598
 599
 600   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",
 601     fd_frontend, fd_sec, (long unsigned int)freq, (long unsigned int)srate, pol, tone, diseqc);
 602
 603
 604   memset(&feparams, 0, sizeof(feparams));
 605   if ( (res = ioctl(fd_frontend,FE_GET_INFO, &fe_info) < 0))
 606   {
 607         mp_msg(MSGT_DEMUX, MSGL_FATAL, "FE_GET_INFO FAILED\n");
 608         return -1;
 609   }
 610
 611
 612 #ifdef CONFIG_DVB_HEAD
 613   mp_msg(MSGT_DEMUX, MSGL_V, "Using DVB card \"%s\"\n", fe_info.name);
 614 #endif
 615
 616   switch(fe_info.type)
 617   {
 618     case FE_OFDM:
 619 #ifdef CONFIG_DVB_HEAD
 620       if (freq < 1000000) freq*=1000UL;
 621       feparams.frequency=freq;
 622       feparams.inversion=specInv;
 623       feparams.u.ofdm.bandwidth=bandwidth;
 624       feparams.u.ofdm.code_rate_HP=HP_CodeRate;
 625       feparams.u.ofdm.code_rate_LP=LP_CodeRate;
 626       feparams.u.ofdm.constellation=modulation;
 627       feparams.u.ofdm.transmission_mode=TransmissionMode;
 628       feparams.u.ofdm.guard_interval=guardInterval;
 629       feparams.u.ofdm.hierarchy_information=hier;
 630 #else
 631       if (freq < 1000000) freq*=1000UL;
 632       feparams.Frequency=freq;
 633       feparams.Inversion=specInv;
 634       feparams.u.ofdm.bandWidth=bandwidth;
 635       feparams.u.ofdm.HP_CodeRate=HP_CodeRate;
 636       feparams.u.ofdm.LP_CodeRate=LP_CodeRate;
 637       feparams.u.ofdm.Constellation=modulation;
 638       feparams.u.ofdm.TransmissionMode=TransmissionMode;
 639       feparams.u.ofdm.guardInterval=guardInterval;
 640       feparams.u.ofdm.HierarchyInformation=hier;
 641 #endif
 642       mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-T to %d Hz, bandwidth: %d\n",freq, bandwidth);
 643       break;
 644     case FE_QPSK:
 645       if (freq > 2200000)
 646       {
 647         // this must be an absolute frequency
 648         if (freq < SLOF)
 649         {
 650 #ifdef CONFIG_DVB_HEAD
 651           freq = feparams.frequency=(freq-LOF1);
 652 #else
 653           freq = feparams.Frequency=(freq-LOF1);
 654 #endif
 655           hi_lo = 0;
 656         }
 657         else
 658         {
 659 #ifdef CONFIG_DVB_HEAD
 660           freq = feparams.frequency=(freq-LOF2);
 661 #else
 662           freq = feparams.Frequency=(freq-LOF2);
 663 #endif
 664           hi_lo = 1;
 665         }
 666       }
 667       else
 668       {
 669         // this is an L-Band frequency
 670 #ifdef CONFIG_DVB_HEAD
 671        feparams.frequency=freq;
 672 #else
 673        feparams.Frequency=freq;
 674 #endif
 675       }
 676
 677 #ifdef CONFIG_DVB_HEAD
 678       feparams.inversion=specInv;
 679       feparams.u.qpsk.symbol_rate=srate;
 680       feparams.u.qpsk.fec_inner=HP_CodeRate;
 681       dfd = fd_frontend;
 682 #else
 683       feparams.Inversion=specInv;
 684       feparams.u.qpsk.SymbolRate=srate;
 685       feparams.u.qpsk.FEC_inner=HP_CodeRate;
 686       dfd = fd_sec;
 687 #endif
 688
 689       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);
 690
 691       if(do_diseqc(dfd, diseqc, (pol == 'V' ? 1 : 0), hi_lo) == 0)
 692           mp_msg(MSGT_DEMUX, MSGL_V, "DISEQC SETTING SUCCEDED\n");
 693       else
 694       {
 695           mp_msg(MSGT_DEMUX, MSGL_ERR, "DISEQC SETTING FAILED\n");
 696           return -1;
 697       }
 698       break;
 699     case FE_QAM:
 700       mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-C to %d, srate=%d\n",freq,srate);
 701 #ifdef CONFIG_DVB_HEAD
 702       feparams.frequency=freq;
 703       feparams.inversion=specInv;
 704       feparams.u.qam.symbol_rate = srate;
 705       feparams.u.qam.fec_inner = HP_CodeRate;
 706       feparams.u.qam.modulation = modulation;
 707 #else
 708       feparams.Frequency=freq;
 709       feparams.Inversion=specInv;
 710       feparams.u.qam.SymbolRate = srate;
 711       feparams.u.qam.FEC_inner = HP_CodeRate;
 712       feparams.u.qam.QAM = modulation;
 713 #endif
 714       break;
 715 #ifdef DVB_ATSC
 716     case FE_ATSC:
 717       mp_msg(MSGT_DEMUX, MSGL_V, "tuning ATSC to %d, modulation=%d\n",freq,modulation);
 718       feparams.frequency=freq;
 719       feparams.u.vsb.modulation = modulation;
 720       break;
 721 #endif
 722     default:
 723       mp_msg(MSGT_DEMUX, MSGL_V, "Unknown FE type. Aborting\n");
 724       return 0;
 725   }
 726   usleep(100000);
 727
 728 #ifndef CONFIG_DVB_HEAD
 729   if (fd_sec) SecGetStatus(fd_sec, &sec_state);
 730   while(1)
 731   {
 732     if(ioctl(fd_frontend, FE_GET_EVENT, &event) == -1)
 733     break;
 734   }
 735 #endif
 736
 737   if(ioctl(fd_frontend,FE_SET_FRONTEND,&feparams) < 0)
 738   {
 739     mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR tuning channel\n");
 740     return -1;
 741   }
 742
 743   return check_status(fd_frontend, timeout);
 744 }