2 #include <lib/dvb/dvb.h>
3 #include <lib/base/eerror.h>
9 #ifndef I2C_SLAVE_FORCE
10 #define I2C_SLAVE_FORCE 0x0706
13 #if HAVE_DVB_API_VERSION < 3
14 #include <ost/frontend.h>
16 #define QAM_AUTO (Modulation)6
17 #define TRANSMISSION_MODE_AUTO (TransmitMode)2
18 #define BANDWIDTH_AUTO (BandWidth)3
19 #define GUARD_INTERVAL_AUTO (GuardInterval)4
20 #define HIERARCHY_AUTO (Hierarchy)4
21 #define constellation Constellation
22 #define guard_interval guardInterval
23 #define hierarchy_information HierarchyInformation
24 #define code_rate_HP HP_CodeRate
25 #define code_rate_LP LP_CodeRate
27 #include <linux/dvb/frontend.h>
30 #include <dvbsi++/satellite_delivery_system_descriptor.h>
31 #include <dvbsi++/cable_delivery_system_descriptor.h>
32 #include <dvbsi++/terrestrial_delivery_system_descriptor.h>
34 void eDVBFrontendParametersSatellite::set(const SatelliteDeliverySystemDescriptor &descriptor)
36 frequency = descriptor.getFrequency() * 10;
37 symbol_rate = descriptor.getSymbolRate() * 100;
38 switch (descriptor.getPolarization())
41 polarisation = Polarisation::Horizontal;
44 polarisation = Polarisation::Vertical;
47 polarisation = Polarisation::CircularLeft;
50 polarisation = Polarisation::CircularRight;
53 switch (descriptor.getFecInner())
77 inversion = Inversion::Unknown;
78 orbital_position = ((descriptor.getOrbitalPosition() >> 12) & 0xF) * 1000;
79 orbital_position += ((descriptor.getOrbitalPosition() >> 8) & 0xF) * 100;
80 orbital_position += ((descriptor.getOrbitalPosition() >> 4) & 0xF) * 10;
81 orbital_position += ((descriptor.getOrbitalPosition()) & 0xF);
82 if (orbital_position && (!descriptor.getWestEastFlag()))
83 orbital_position = 3600 - orbital_position;
86 void eDVBFrontendParametersCable::set(const CableDeliverySystemDescriptor &descriptor)
91 void eDVBFrontendParametersTerrestrial::set(const TerrestrialDeliverySystemDescriptor &)
96 eDVBFrontendParameters::eDVBFrontendParameters(): m_type(-1)
100 DEFINE_REF(eDVBFrontendParameters);
102 RESULT eDVBFrontendParameters::getSystem(int &t) const
110 RESULT eDVBFrontendParameters::getDVBS(eDVBFrontendParametersSatellite &p) const
112 if (m_type != iDVBFrontend::feSatellite)
118 RESULT eDVBFrontendParameters::getDVBC(eDVBFrontendParametersCable &p) const
120 if (m_type != iDVBFrontend::feCable)
126 RESULT eDVBFrontendParameters::getDVBT(eDVBFrontendParametersTerrestrial &p) const
128 if (m_type != iDVBFrontend::feTerrestrial)
134 RESULT eDVBFrontendParameters::setDVBS(const eDVBFrontendParametersSatellite &p)
137 m_type = iDVBFrontend::feSatellite;
141 RESULT eDVBFrontendParameters::setDVBC(const eDVBFrontendParametersCable &p)
144 m_type = iDVBFrontend::feCable;
148 RESULT eDVBFrontendParameters::setDVBT(const eDVBFrontendParametersTerrestrial &p)
151 m_type = iDVBFrontend::feTerrestrial;
155 RESULT eDVBFrontendParameters::calculateDifference(const iDVBFrontendParameters *parm, int &diff) const
160 if (parm->getSystem(type))
164 diff = 1<<30; // big difference
170 case iDVBFrontend::feSatellite:
172 eDVBFrontendParametersSatellite osat;
173 if (parm->getDVBS(osat))
176 if (sat.orbital_position != osat.orbital_position)
178 else if (sat.polarisation != osat.polarisation)
181 diff = abs(sat.frequency - osat.frequency);
184 case iDVBFrontend::feCable:
185 case iDVBFrontend::feTerrestrial:
192 RESULT eDVBFrontendParameters::getHash(unsigned long &hash) const
196 case iDVBFrontend::feSatellite:
198 hash = sat.frequency & 0xFFFF;
199 hash |= sat.orbital_position << 16;
202 case iDVBFrontend::feCable:
203 case iDVBFrontend::feTerrestrial:
209 DEFINE_REF(eDVBFrontend);
211 eDVBFrontend::eDVBFrontend(int adap, int fe, int &ok): m_type(-1), m_fe(fe), m_curVoltage(-1)
213 #if HAVE_DVB_API_VERSION < 3
214 char sec_filename[128];
223 #if HAVE_DVB_API_VERSION < 3
224 sprintf(sec_filename, "/dev/dvb/card%d/sec%d", adap, fe);
225 m_secfd = ::open(sec_filename, O_RDWR);
228 eWarning("failed! (%s) %m", sec_filename);
233 eDebug("m_secfd is %d", m_secfd);
235 FrontendInfo fe_info;
236 sprintf(filename, "/dev/dvb/card%d/frontend%d", adap, fe);
238 dvb_frontend_info fe_info;
239 sprintf(filename, "/dev/dvb/adapter%d/frontend%d", adap, fe);
241 eDebug("opening frontend.");
242 m_fd = ::open(filename, O_RDWR|O_NONBLOCK);
245 eWarning("failed! (%s) %m", filename);
250 result = ::ioctl(m_fd, FE_GET_INFO, &fe_info);
253 eWarning("ioctl FE_GET_INFO failed");
260 switch (fe_info.type)
263 m_type = feSatellite;
269 m_type = feTerrestrial;
272 eWarning("unknown frontend type.");
278 eDebug("detected %s frontend", "satellite\0cable\0 terrestrial"+fe_info.type*10);
281 m_sn = new eSocketNotifier(eApp, m_fd, eSocketNotifier::Read);
282 CONNECT(m_sn->activated, eDVBFrontend::feEvent);
285 m_timeout = new eTimer(eApp);
286 CONNECT(m_timeout->timeout, eDVBFrontend::timeout);
288 m_tuneTimer = new eTimer(eApp);
289 CONNECT(m_tuneTimer->timeout, eDVBFrontend::tuneLoop);
291 int entries = sizeof(m_data) / sizeof(int);
292 for (int i=0; i<entries; ++i)
298 eDVBFrontend::~eDVBFrontend()
308 void eDVBFrontend::feEvent(int w)
312 #if HAVE_DVB_API_VERSION < 3
315 dvb_frontend_event event;
319 res = ::ioctl(m_fd, FE_GET_EVENT, &event);
321 if (res && (errno == EAGAIN))
326 eWarning("FE_GET_EVENT failed! %m");
333 #if HAVE_DVB_API_VERSION < 3
334 if (event.type == FE_COMPLETION_EV)
336 eDebug("fe event: status %x, inversion %s", event.status, (event.parameters.inversion == INVERSION_ON) ? "on" : "off");
337 if (event.status & FE_HAS_LOCK)
347 state = stateLostLock;
349 if (m_state != stateLostLock)
350 eDebug("FIXME: we lost lock, so we might have to retune.");
353 if (m_state != state)
356 m_stateChanged(this);
361 void eDVBFrontend::timeout()
364 if (m_state == stateTuning)
367 eDebug("DVBFrontend: timeout");
368 if (m_state != state)
371 m_stateChanged(this);
378 #ifndef FP_IOCTL_GET_ID
379 #define FP_IOCTL_GET_ID 0
381 int eDVBFrontend::readInputpower()
384 // if ( eSystemInfo::getInstance()->canMeasureLNBCurrent() )
386 // switch ( eSystemInfo::getInstance()->getHwType() )
388 // case eSystemInfo::DM7000:
389 // case eSystemInfo::DM7020:
391 // open front prozessor
392 int fp=::open("/dev/dbox/fp0", O_RDWR);
395 eDebug("couldn't open fp");
398 static bool old_fp = (::ioctl(fp, FP_IOCTL_GET_ID) < 0);
399 if ( ioctl( fp, old_fp ? 9 : 0x100, &power ) < 0 )
401 eDebug("FP_IOCTL_GET_LNB_CURRENT failed (%m)");
408 // eDebug("Inputpower read for platform %d not yet implemented", eSystemInfo::getInstance()->getHwType());
414 bool eDVBFrontend::setSecSequencePos(int steps)
416 eDebug("set sequence pos %d", steps);
421 if (m_sec_sequence.current() != m_sec_sequence.end())
422 ++m_sec_sequence.current();
427 if (m_sec_sequence.current() != m_sec_sequence.begin() && m_sec_sequence.current() != m_sec_sequence.end())
428 --m_sec_sequence.current();
434 void eDVBFrontend::tuneLoop() // called by m_tuneTimer
437 if ( m_sec_sequence && m_sec_sequence.current() != m_sec_sequence.end() )
439 switch (m_sec_sequence.current()->cmd)
441 case eSecCommand::SLEEP:
442 delay = m_sec_sequence.current()++->msec;
443 eDebug("[SEC] sleep %dms", delay);
445 case eSecCommand::GOTO:
446 if ( !setSecSequencePos(m_sec_sequence.current()->steps) )
447 ++m_sec_sequence.current();
449 case eSecCommand::SET_VOLTAGE:
450 int voltage = m_sec_sequence.current()++->voltage;
451 eDebug("[SEC] setVoltage %d", voltage);
454 case eSecCommand::SET_TONE:
455 eDebug("[SEC] setTone %d", m_sec_sequence.current()->tone);
456 setTone(m_sec_sequence.current()++->tone);
458 case eSecCommand::SEND_DISEQC:
459 sendDiseqc(m_sec_sequence.current()->diseqc);
460 eDebugNoNewLine("[SEC] sendDiseqc: ");
461 for (int i=0; i < m_sec_sequence.current()->diseqc.len; ++i)
462 eDebugNoNewLine("%02x", m_sec_sequence.current()->diseqc.data[i]);
464 ++m_sec_sequence.current();
466 case eSecCommand::SEND_TONEBURST:
467 eDebug("[SEC] sendToneburst: %d", m_sec_sequence.current()->toneburst);
468 sendToneburst(m_sec_sequence.current()++->toneburst);
470 case eSecCommand::SET_FRONTEND:
471 eDebug("[SEC] setFrontend");
473 ++m_sec_sequence.current();
475 case eSecCommand::MEASURE_IDLE_INPUTPOWER:
477 int idx = m_sec_sequence.current()++->val;
478 if ( idx == 0 || idx == 1 )
480 m_idleInputpower[idx] = readInputpower();
481 eDebug("[SEC] idleInputpower[%d] is %d", idx, m_idleInputpower[idx]);
484 eDebug("[SEC] idleInputpower measure index(%d) out of bound !!!", idx);
487 case eSecCommand::MEASURE_RUNNING_INPUTPOWER:
488 m_runningInputpower = readInputpower();
489 eDebug("[SEC] runningInputpower is %d", m_runningInputpower);
490 ++m_sec_sequence.current();
492 case eSecCommand::SET_TIMEOUT:
493 m_timeoutCount = m_sec_sequence.current()++->val;
494 eDebug("[SEC] set timeout %d", m_timeoutCount);
496 case eSecCommand::UPDATE_CURRENT_ROTORPARAMS:
497 m_data[5] = m_data[3];
498 m_data[6] = m_data[4];
499 eDebug("[SEC] update current rotorparams %d %04x %d", m_timeoutCount, m_data[5], m_data[6]);
500 ++m_sec_sequence.current();
502 case eSecCommand::IF_TIMEOUT_GOTO:
505 eDebug("[SEC] rotor timout");
506 setSecSequencePos(m_sec_sequence.current()->steps);
509 ++m_sec_sequence.current();
511 case eSecCommand::SET_POWER_LIMITING_MODE:
513 int fd=::open("/dev/i2c/0", O_RDWR);
514 unsigned char data[2];
515 ::ioctl(fd, I2C_SLAVE_FORCE, 0x10 >> 1);
516 if(::read(fd, data, 1) != 1)
517 eDebug("[SEC] error read lnbp (%m)");
518 if ( m_sec_sequence.current()->mode == eSecCommand::modeStatic )
520 data[0] |= 0x90; // enable static current limiting
521 eDebug("[SEC] set static current limiting");
525 data[0] &= ~0x90; // enable dynamic current limiting
526 eDebug("[SEC] set dynamic current limiting");
528 if(::write(fd, data, 1) != 1)
529 eDebug("[SEC] error write lnbp (%m)");
531 ++m_sec_sequence.current();
534 case eSecCommand::IF_IDLE_INPUTPOWER_AVAIL_GOTO:
535 if (m_idleInputpower[0] && m_idleInputpower[1] && setSecSequencePos(m_sec_sequence.current()->steps))
537 ++m_sec_sequence.current();
539 case eSecCommand::IF_INPUTPOWER_DELTA_GOTO:
541 int idleInputpower = m_idleInputpower[m_curVoltage == iDVBFrontend::voltage13 ? 0 : 1];
542 eSecCommand::rotor &cmd = m_sec_sequence.current()->measure;
543 const char *txt = cmd.direction ? "running" : "stopped";
544 eDebug("[SEC] waiting for rotor %s %d, idle %d, delta %d",
549 if ( (cmd.direction && abs(m_runningInputpower - idleInputpower) >= cmd.deltaA)
550 || (!cmd.direction && abs(m_runningInputpower - idleInputpower) <= cmd.deltaA) )
553 eDebug("[SEC] rotor %s step %d ok", txt, cmd.okcount);
554 if ( cmd.okcount > 6 )
556 eDebug("[SEC] rotor is %s", txt);
557 if (setSecSequencePos(cmd.steps))
563 eDebug("[SEC] rotor not %s... reset counter.. increase timeout", txt);
567 ++m_sec_sequence.current();
570 case eSecCommand::IF_VOLTAGE_GOTO:
572 eSecCommand::pair &compare = m_sec_sequence.current()->compare;
573 if ( compare.voltage == m_curVoltage && setSecSequencePos(compare.steps) )
575 ++m_sec_sequence.current();
579 ++m_sec_sequence.current();
580 eDebug("[SEC] unhandled sec command");
582 m_tuneTimer->start(delay,true);
586 void eDVBFrontend::setFrontend()
588 eDebug("setting frontend..\n");
589 if (ioctl(m_fd, FE_SET_FRONTEND, &parm) == -1)
591 perror("FE_SET_FRONTEND failed");
595 if (m_state != stateTuning)
598 m_state = stateTuning;
599 m_stateChanged(this);
601 m_timeout->start(5000, 1); // 5 sec timeout. TODO: symbolrate dependent
604 RESULT eDVBFrontend::getFrontendType(int &t)
612 RESULT eDVBFrontend::tune(const iDVBFrontendParameters &where)
619 m_sec_sequence.clear();
626 eDVBFrontendParametersSatellite feparm;
627 if (where.getDVBS(feparm))
629 eDebug("no dvbs data!");
634 eWarning("no SEC module active!");
638 res = m_sec->prepare(*this, parm, feparm, 1 << m_fe);
641 #if HAVE_DVB_API_VERSION < 3
642 eDebug("tuning to %d mhz", parm.Frequency/1000);
644 eDebug("tuning to %d mhz", parm.frequency/1000);
650 #if HAVE_DVB_API_VERSION >= 3
651 eDVBFrontendParametersCable feparm;
652 if (where.getDVBC(feparm))
654 #if HAVE_DVB_API_VERSION < 3
655 parm.Frequency = feparm.frequency * 1000;
656 parm.u.qam.SymbolRate = feparm.symbol_rate;
658 parm.frequency = feparm.frequency * 1000;
659 parm.u.qam.symbol_rate = feparm.symbol_rate;
662 switch (feparm.modulation)
664 case eDVBFrontendParametersCable::Modulation::QAM16:
667 case eDVBFrontendParametersCable::Modulation::QAM32:
670 case eDVBFrontendParametersCable::Modulation::QAM64:
673 case eDVBFrontendParametersCable::Modulation::QAM128:
676 case eDVBFrontendParametersCable::Modulation::QAM256:
679 case eDVBFrontendParametersCable::Modulation::Auto:
683 #if HAVE_DVB_API_VERSION < 3
684 parm.u.qam.QAM = mod;
686 parm.u.qam.modulation = mod;
688 switch (feparm.inversion)
690 case eDVBFrontendParametersCable::Inversion::On:
691 #if HAVE_DVB_API_VERSION < 3
698 case eDVBFrontendParametersCable::Inversion::Off:
699 #if HAVE_DVB_API_VERSION < 3
706 case eDVBFrontendParametersCable::Inversion::Unknown:
707 #if HAVE_DVB_API_VERSION < 3
716 fe_code_rate_t fec_inner;
717 switch (feparm.fec_inner)
719 case eDVBFrontendParametersCable::FEC::fNone:
720 fec_inner = FEC_NONE;
722 case eDVBFrontendParametersCable::FEC::f1_2:
725 case eDVBFrontendParametersCable::FEC::f2_3:
728 case eDVBFrontendParametersCable::FEC::f3_4:
731 case eDVBFrontendParametersCable::FEC::f4_5:
734 case eDVBFrontendParametersCable::FEC::f5_6:
737 case eDVBFrontendParametersCable::FEC::f6_7:
740 case eDVBFrontendParametersCable::FEC::f7_8:
743 case eDVBFrontendParametersCable::FEC::f8_9:
746 case eDVBFrontendParametersCable::FEC::fAuto:
747 fec_inner = FEC_AUTO;
750 #if HAVE_DVB_API_VERSION < 3
751 parm.u.qam.FEC_inner = fec_inner;
753 parm.u.qam.fec_inner = fec_inner;
756 eFatal("Old API not fully supported");
762 eDVBFrontendParametersTerrestrial feparm;
763 if (where.getDVBT(feparm))
765 eDebug("no -T data");
768 #if HAVE_DVB_API_VERSION < 3
769 parm.Frequency = feparm.frequency;
771 parm.frequency = feparm.frequency;
774 switch (feparm.bandwidth)
776 case eDVBFrontendParametersTerrestrial::Bandwidth::Bw8MHz:
777 #if HAVE_DVB_API_VERSION < 3
778 parm.u.ofdm.bandWidth =
780 parm.u.ofdm.bandwidth =
784 case eDVBFrontendParametersTerrestrial::Bandwidth::Bw7MHz:
785 #if HAVE_DVB_API_VERSION < 3
786 parm.u.ofdm.bandWidth =
788 parm.u.ofdm.bandwidth =
792 case eDVBFrontendParametersTerrestrial::Bandwidth::Bw6MHz:
793 #if HAVE_DVB_API_VERSION < 3
794 parm.u.ofdm.bandWidth =
796 parm.u.ofdm.bandwidth =
800 case eDVBFrontendParametersTerrestrial::Bandwidth::BwAuto:
801 #if HAVE_DVB_API_VERSION < 3
802 parm.u.ofdm.bandWidth =
804 parm.u.ofdm.bandwidth =
809 eWarning("invalid OFDM bandwith");
813 parm.u.ofdm.code_rate_HP = FEC_AUTO;
814 parm.u.ofdm.code_rate_LP = FEC_AUTO;
816 switch (feparm.modulation)
818 case eDVBFrontendParametersTerrestrial::Modulation::QPSK:
819 parm.u.ofdm.constellation = QPSK;
821 case eDVBFrontendParametersTerrestrial::Modulation::QAM16:
822 parm.u.ofdm.constellation = QAM_16;
824 case eDVBFrontendParametersTerrestrial::Modulation::Auto:
825 parm.u.ofdm.constellation = QAM_AUTO;
829 switch (feparm.transmission_mode)
831 case eDVBFrontendParametersTerrestrial::TransmissionMode::TM2k:
832 #if HAVE_DVB_API_VERSION < 3
833 parm.u.ofdm.TransmissionMode =
835 parm.u.ofdm.transmission_mode =
837 TRANSMISSION_MODE_2K;
839 case eDVBFrontendParametersTerrestrial::TransmissionMode::TM8k:
840 #if HAVE_DVB_API_VERSION < 3
841 parm.u.ofdm.TransmissionMode =
843 parm.u.ofdm.transmission_mode =
845 TRANSMISSION_MODE_8K;
847 case eDVBFrontendParametersTerrestrial::TransmissionMode::TMAuto:
848 #if HAVE_DVB_API_VERSION < 3
849 parm.u.ofdm.TransmissionMode =
851 parm.u.ofdm.transmission_mode =
853 TRANSMISSION_MODE_AUTO;
857 parm.u.ofdm.guard_interval = GUARD_INTERVAL_AUTO;
858 parm.u.ofdm.hierarchy_information = HIERARCHY_AUTO;
859 #if HAVE_DVB_API_VERSION < 3
869 m_sec_sequence.push_back( eSecCommand(eSecCommand::SET_FRONTEND) );
870 m_tuneTimer->start(0,true);
871 m_sec_sequence.current() = m_sec_sequence.begin();
876 RESULT eDVBFrontend::connectStateChange(const Slot1<void,iDVBFrontend*> &stateChange, ePtr<eConnection> &connection)
878 connection = new eConnection(this, m_stateChanged.connect(stateChange));
882 RESULT eDVBFrontend::setVoltage(int voltage)
884 #if HAVE_DVB_API_VERSION < 3
887 fe_sec_voltage_t vlt;
890 m_curVoltage=voltage;
894 vlt = SEC_VOLTAGE_OFF;
897 vlt = SEC_VOLTAGE_13;
900 vlt = SEC_VOLTAGE_18;
905 #if HAVE_DVB_API_VERSION < 3
906 return ::ioctl(m_secfd, SEC_SET_VOLTAGE, vlt);
908 return ::ioctl(m_fd, FE_SET_VOLTAGE, vlt);
912 RESULT eDVBFrontend::getState(int &state)
918 RESULT eDVBFrontend::setTone(int t)
920 #if HAVE_DVB_API_VERSION < 3
923 fe_sec_tone_mode_t tone;
937 #if HAVE_DVB_API_VERSION < 3
938 return ::ioctl(m_secfd, SEC_SET_TONE, tone);
940 return ::ioctl(m_fd, FE_SET_TONE, tone);
944 #if HAVE_DVB_API_VERSION < 3 && !defined(SEC_DISEQC_SEND_MASTER_CMD)
945 #define SEC_DISEQC_SEND_MASTER_CMD _IOW('o', 97, struct secCommand *)
948 RESULT eDVBFrontend::sendDiseqc(const eDVBDiseqcCommand &diseqc)
950 #if HAVE_DVB_API_VERSION < 3
951 struct secCommand cmd;
952 cmd.type = SEC_CMDTYPE_DISEQC_RAW;
953 cmd.u.diseqc.cmdtype = diseqc.data[0];
954 cmd.u.diseqc.addr = diseqc.data[1];
955 cmd.u.diseqc.cmd = diseqc.data[2];
956 cmd.u.diseqc.numParams = diseqc.len-3;
957 memcpy(cmd.u.diseqc.params, diseqc.data+3, diseqc.len-3);
958 if (::ioctl(m_secfd, SEC_DISEQC_SEND_MASTER_CMD, &cmd))
960 struct dvb_diseqc_master_cmd cmd;
961 memcpy(cmd.msg, diseqc.data, diseqc.len);
962 cmd.msg_len = diseqc.len;
963 if (::ioctl(m_fd, FE_DISEQC_SEND_MASTER_CMD, &cmd))
969 #if HAVE_DVB_API_VERSION < 3 && !defined(SEC_DISEQC_SEND_BURST)
970 #define SEC_DISEQC_SEND_BURST _IO('o', 96)
972 RESULT eDVBFrontend::sendToneburst(int burst)
974 #if HAVE_DVB_API_VERSION < 3
975 secMiniCmd cmd = SEC_MINI_NONE;
976 if ( burst == eDVBSatelliteDiseqcParameters::A )
978 else if ( burst == eDVBSatelliteDiseqcParameters::B )
980 if (::ioctl(m_secfd, SEC_DISEQC_SEND_BURST, cmd))
986 RESULT eDVBFrontend::setSEC(iDVBSatelliteEquipmentControl *sec)
992 RESULT eDVBFrontend::setSecSequence(const eSecCommandList &list)
994 m_sec_sequence = list;
998 RESULT eDVBFrontend::getData(int num, int &data)
1000 if ( num < (int)(sizeof(m_data)/sizeof(int)) )
1008 RESULT eDVBFrontend::setData(int num, int val)
1010 if ( num < (int)(sizeof(m_data)/sizeof(int)) )
1018 int eDVBFrontend::isCompatibleWith(ePtr<iDVBFrontendParameters> &feparm)
1020 if (m_type != eDVBFrontend::feSatellite)
1025 eDVBFrontendParametersSatellite sat_parm;
1027 ASSERT(!feparm->getDVBS(sat_parm));
1029 return m_sec->canTune(sat_parm, this, 1 << m_fe);