/* * frontend.h * * Copyright (C) 2000 Marcus Metzler * Ralph Metzler * Holger Waechtler * Andre Draszik * for convergence integrated media GmbH * * Copyright (C) Manu Abraham * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #ifndef _DVBFRONTEND_H_ #define _DVBFRONTEND_H_ #include typedef enum fe_type { FE_QPSK, FE_QAM, FE_OFDM, FE_ATSC } fe_type_t; typedef enum fe_caps { FE_IS_STUPID = 0, FE_CAN_INVERSION_AUTO = 0x1, FE_CAN_FEC_1_2 = 0x2, FE_CAN_FEC_2_3 = 0x4, FE_CAN_FEC_3_4 = 0x8, FE_CAN_FEC_4_5 = 0x10, FE_CAN_FEC_5_6 = 0x20, FE_CAN_FEC_6_7 = 0x40, FE_CAN_FEC_7_8 = 0x80, FE_CAN_FEC_8_9 = 0x100, FE_CAN_FEC_AUTO = 0x200, FE_CAN_QPSK = 0x400, FE_CAN_QAM_16 = 0x800, FE_CAN_QAM_32 = 0x1000, FE_CAN_QAM_64 = 0x2000, FE_CAN_QAM_128 = 0x4000, FE_CAN_QAM_256 = 0x8000, FE_CAN_QAM_AUTO = 0x10000, FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000, FE_CAN_BANDWIDTH_AUTO = 0x40000, FE_CAN_GUARD_INTERVAL_AUTO = 0x80000, FE_CAN_HIERARCHY_AUTO = 0x100000, FE_CAN_8VSB = 0x200000, FE_CAN_16VSB = 0x400000, FE_NEEDS_BENDING = 0x20000000, // not supported anymore, don't use (frontend requires frequency bending) FE_CAN_RECOVER = 0x40000000, // frontend can recover from a cable unplug automatically FE_CAN_MUTE_TS = 0x80000000 // frontend can stop spurious TS data output } fe_caps_t; struct dvb_frontend_info { char name[128]; fe_type_t type; __u32 frequency_min; __u32 frequency_max; __u32 frequency_stepsize; __u32 frequency_tolerance; __u32 symbol_rate_min; __u32 symbol_rate_max; __u32 symbol_rate_tolerance; /* ppm */ __u32 notifier_delay; /* DEPRECATED */ fe_caps_t caps; }; /** * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for * the meaning of this struct... */ struct dvb_diseqc_master_cmd { __u8 msg [6]; /* { framing, address, command, data [3] } */ __u8 msg_len; /* valid values are 3...6 */ }; struct dvb_diseqc_slave_reply { __u8 msg [4]; /* { framing, data [3] } */ __u8 msg_len; /* valid values are 0...4, 0 means no msg */ int timeout; /* return from ioctl after timeout ms with */ }; /* errorcode when no message was received */ typedef enum fe_sec_voltage { SEC_VOLTAGE_13, SEC_VOLTAGE_18, SEC_VOLTAGE_OFF } fe_sec_voltage_t; typedef enum fe_sec_tone_mode { SEC_TONE_ON, SEC_TONE_OFF } fe_sec_tone_mode_t; typedef enum fe_sec_mini_cmd { SEC_MINI_A, SEC_MINI_B } fe_sec_mini_cmd_t; typedef enum fe_status { FE_HAS_SIGNAL = 0x01, /* found something above the noise level */ FE_HAS_CARRIER = 0x02, /* found a DVB signal */ FE_HAS_VITERBI = 0x04, /* FEC is stable */ FE_HAS_SYNC = 0x08, /* found sync bytes */ FE_HAS_LOCK = 0x10, /* everything's working... */ FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */ FE_REINIT = 0x40 /* frontend was reinitialized, */ } fe_status_t; /* application is recommended to reset */ /* DiSEqC, tone and parameters */ typedef enum fe_spectral_inversion { INVERSION_OFF, INVERSION_ON, INVERSION_AUTO } fe_spectral_inversion_t; typedef enum fe_code_rate { FEC_NONE = 0, FEC_1_2, FEC_2_3, FEC_3_4, FEC_4_5, FEC_5_6, FEC_6_7, FEC_7_8, FEC_8_9, FEC_AUTO } fe_code_rate_t; typedef enum fe_modulation { QPSK, QAM_16, QAM_32, QAM_64, QAM_128, QAM_256, QAM_AUTO, VSB_8, VSB_16 } fe_modulation_t; typedef enum fe_transmit_mode { TRANSMISSION_MODE_2K, TRANSMISSION_MODE_8K, TRANSMISSION_MODE_AUTO } fe_transmit_mode_t; typedef enum fe_bandwidth { BANDWIDTH_8_MHZ, BANDWIDTH_7_MHZ, BANDWIDTH_6_MHZ, BANDWIDTH_AUTO } fe_bandwidth_t; typedef enum fe_guard_interval { GUARD_INTERVAL_1_32, GUARD_INTERVAL_1_16, GUARD_INTERVAL_1_8, GUARD_INTERVAL_1_4, GUARD_INTERVAL_AUTO } fe_guard_interval_t; typedef enum fe_hierarchy { HIERARCHY_NONE, HIERARCHY_1, HIERARCHY_2, HIERARCHY_4, HIERARCHY_AUTO } fe_hierarchy_t; struct dvb_qpsk_parameters { __u32 symbol_rate; /* symbol rate in Symbols per second */ fe_code_rate_t fec_inner; /* forward error correction (see above) */ }; struct dvb_qam_parameters { __u32 symbol_rate; /* symbol rate in Symbols per second */ fe_code_rate_t fec_inner; /* forward error correction (see above) */ fe_modulation_t modulation; /* modulation type (see above) */ }; struct dvb_vsb_parameters { fe_modulation_t modulation; /* modulation type (see above) */ }; struct dvb_ofdm_parameters { fe_bandwidth_t bandwidth; fe_code_rate_t code_rate_HP; /* high priority stream code rate */ fe_code_rate_t code_rate_LP; /* low priority stream code rate */ fe_modulation_t constellation; /* modulation type (see above) */ fe_transmit_mode_t transmission_mode; fe_guard_interval_t guard_interval; fe_hierarchy_t hierarchy_information; }; struct dvb_frontend_parameters { __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */ /* intermediate frequency in kHz for QPSK */ fe_spectral_inversion_t inversion; union { struct dvb_qpsk_parameters qpsk; struct dvb_qam_parameters qam; struct dvb_ofdm_parameters ofdm; struct dvb_vsb_parameters vsb; } u; }; /** * When set, this flag will disable any zigzagging or other "normal" tuning * behaviour. Additionally, there will be no automatic monitoring of the lock * status, and hence no frontend events will be generated. If a frontend device * is closed, this flag will be automatically turned off when the device is * reopened read-write. */ #define FE_TUNE_MODE_ONESHOT 0x01 #define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info) #define FE_DISEQC_RESET_OVERLOAD _IO('o', 62) #define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd) #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply) #define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */ #define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */ #define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */ #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */ #define FE_READ_STATUS _IOR('o', 69, fe_status_t) #define FE_READ_BER _IOR('o', 70, __u32) #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16) #define FE_READ_SNR _IOR('o', 72, __u16) #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32) #define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters) #define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters) #define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */ #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */ /* * References: * DVB-S : EN 300 421 * DVB-S2: EN 302 307, TR 102 376, EN 301 210 * DVB-C : EN 300 429 * DVB-T : EN 300 744 * DVB-H : EN 300 304 * ATSC : A/53A */ /* * Delivery Systems * needs to set/queried for multistandard frontends */ enum dvbfe_delsys { DVBFE_DELSYS_DVBS = (1 << 0), DVBFE_DELSYS_DSS = (1 << 1), DVBFE_DELSYS_DVBS2 = (1 << 2), DVBFE_DELSYS_DVBC = (1 << 3), DVBFE_DELSYS_DVBT = (1 << 4), DVBFE_DELSYS_DVBH = (1 << 5), DVBFE_DELSYS_ATSC = (1 << 6), DVBFE_DELSYS_DUMMY = (1 << 31) }; #define DVBFE_GET_DELSYS _IOR('o', 82, enum dvbfe_delsys) #define DVBFE_SET_DELSYS _IOW('o', 87, enum dvbfe_delsys) /* Modulation types */ enum dvbfe_modulation { DVBFE_MOD_NONE = (0 << 0), DVBFE_MOD_BPSK = (1 << 0), DVBFE_MOD_QPSK = (1 << 1), DVBFE_MOD_OQPSK = (1 << 2), DVBFE_MOD_8PSK = (1 << 3), DVBFE_MOD_16APSK = (1 << 4), DVBFE_MOD_32APSK = (1 << 5), DVBFE_MOD_QAM4 = (1 << 6), DVBFE_MOD_QAM16 = (1 << 7), DVBFE_MOD_QAM32 = (1 << 8), DVBFE_MOD_QAM64 = (1 << 9), DVBFE_MOD_QAM128 = (1 << 10), DVBFE_MOD_QAM256 = (1 << 11), DVBFE_MOD_QAM512 = (1 << 12), DVBFE_MOD_QAM1024 = (1 << 13), DVBFE_MOD_QAMAUTO = (1 << 14), DVBFE_MOD_OFDM = (1 << 15), DVBFE_MOD_COFDM = (1 << 16), DVBFE_MOD_VSB8 = (1 << 17), DVBFE_MOD_VSB16 = (1 << 18), DVBFE_MOD_AUTO = (1 << 31) }; /* * Convolution Code Rate (Viterbi Inner Code Rate) * DVB-S2 uses LDPC. Information on LDPC can be found at * http://www.ldpc-codes.com */ enum dvbfe_fec { DVBFE_FEC_NONE = (0 << 0), DVBFE_FEC_1_4 = (1 << 0), DVBFE_FEC_1_3 = (1 << 1), DVBFE_FEC_2_5 = (1 << 2), DVBFE_FEC_1_2 = (1 << 3), DVBFE_FEC_3_5 = (1 << 4), DVBFE_FEC_2_3 = (1 << 5), DVBFE_FEC_3_4 = (1 << 6), DVBFE_FEC_4_5 = (1 << 7), DVBFE_FEC_5_6 = (1 << 8), DVBFE_FEC_6_7 = (1 << 9), DVBFE_FEC_7_8 = (1 << 10), DVBFE_FEC_8_9 = (1 << 11), DVBFE_FEC_9_10 = (1 << 12), DVBFE_FEC_AUTO = (1 << 31) }; /* Frontend Inversion (I/Q Swap) */ enum dvbfe_inversion { DVBFE_INVERSION_OFF = 0, DVBFE_INVERSION_ON = 1, DVBFE_INVERSION_AUTO = 2 }; /* DVB-S parameters */ struct dvbs_params { __u32 symbol_rate; enum dvbfe_modulation modulation; enum dvbfe_fec fec; }; /* DSS parameters */ struct dss_params { __u32 symbol_rate; enum dvbfe_modulation modulation; enum dvbfe_fec fec; }; /* * Rolloff Rate (Nyquist Filter Rolloff) * NOTE: DVB-S2 has rates of 0.20, 0.25, 0.35 * Values are x100 * Applies to DVB-S2 */ enum dvbfe_rolloff { DVBFE_ROLLOFF_35 = 0, DVBFE_ROLLOFF_25 = 1, DVBFE_ROLLOFF_20 = 2, DVBFE_ROLLOFF_UNKNOWN = 3 }; /* DVB-S2 parameters */ struct dvbs2_params { __u32 symbol_rate; enum dvbfe_modulation modulation; enum dvbfe_fec fec; /* Informational fields only */ enum dvbfe_rolloff rolloff; __u8 matype_1; __u8 matype_2; __u8 upl_1; __u8 upl_2; __u8 dfl_1; __u8 dfl_2; __u8 sync; __u8 syncd_1; __u8 syncd_2; __u8 pad[32]; }; /* DVB-C parameters */ struct dvbc_params { __u32 symbol_rate; enum dvbfe_modulation modulation; enum dvbfe_fec fec; }; /* DVB-T Channel bandwidth */ enum dvbfe_bandwidth { DVBFE_BANDWIDTH_8_MHZ = (1 << 0), DVBFE_BANDWIDTH_7_MHZ = (1 << 1), DVBFE_BANDWIDTH_6_MHZ = (1 << 2), DVBFE_BANDWIDTH_5_MHZ = (1 << 3), DVBFE_BANDWIDTH_AUTO = (1 << 31) }; /* DVB-T/DVB-H transmission mode */ enum dvbfe_transmission_mode { DVBFE_TRANSMISSION_MODE_2K = (1 << 0), DVBFE_TRANSMISSION_MODE_4K = (1 << 1), DVBFE_TRANSMISSION_MODE_8K = (1 << 2), DVBFE_TRANSMISSION_MODE_AUTO = (1 << 31) }; /* DVB-T/DVB-H Guard interval */ enum dvbfe_guard_interval { DVBFE_GUARD_INTERVAL_1_32 = (1 << 1), DVBFE_GUARD_INTERVAL_1_16 = (1 << 2), DVBFE_GUARD_INTERVAL_1_8 = (1 << 3), DVBFE_GUARD_INTERVAL_1_4 = (1 << 4), DVBFE_GUARD_INTERVAL_AUTO = (1 << 31) }; /* DVB-T/DVB-H Hierarchial modulation */ enum dvbfe_hierarchy { DVBFE_HIERARCHY_OFF = (1 << 0), DVBFE_HIERARCHY_ON = (1 << 1), DVBFE_HIERARCHY_AUTO = (1 << 2) }; /* DVB-T/DVB-H Rolloff's */ enum dvbfe_alpha { DVBFE_ALPHA_1 = (1 << 0), DVBFE_ALPHA_2 = (1 << 1), DVBFE_ALPHA_4 = (1 << 2) }; /* Stream priority (Hierachial coding) */ enum dvbfe_stream_priority { DVBFE_STREAM_PRIORITY_HP = (0 << 0), DVBFE_STREAM_PRIORITY_LP = (1 << 0) }; /* DVB-T parameters */ struct dvbt_params { enum dvbfe_modulation constellation; enum dvbfe_bandwidth bandwidth; enum dvbfe_fec code_rate_HP; enum dvbfe_fec code_rate_LP; enum dvbfe_transmission_mode transmission_mode; enum dvbfe_guard_interval guard_interval; enum dvbfe_hierarchy hierarchy; enum dvbfe_alpha alpha; enum dvbfe_stream_priority priority; __u8 pad[32]; }; /* DVB-H Interleaver type */ enum dvbfe_interleaver { DVBFE_INTERLEAVER_NATIVE = (1 << 0), DVBFE_INTERLEAVER_INDEPTH = (1 << 1), DVBFE_INTERLEAVER_AUTO = (1 << 31) }; /* DVB-H MPE-FEC Indicator */ enum dvbfe_mpefec { DVBFE_MPEFEC_OFF = (1 << 0), DVBFE_MPEFEC_ON = (1 << 1) }; /* DVB-H Timeslicing Indicator */ enum dvbfe_timeslicing { DVBFE_TIMESLICING_OFF = (1 << 0), DVBFE_TIMESLICING_ON = (1 << 1) }; /* DVB-H parameters */ struct dvbh_params { enum dvbfe_modulation constellation; enum dvbfe_fec code_rate_HP; enum dvbfe_fec code_rate_LP; enum dvbfe_transmission_mode transmission_mode; enum dvbfe_guard_interval guard_interval; enum dvbfe_hierarchy hierarchy; enum dvbfe_alpha alpha; enum dvbfe_interleaver interleaver; enum dvbfe_mpefec mpefec; enum dvbfe_timeslicing timeslicing; enum dvbfe_stream_priority priority; __u32 bandwidth; __u8 pad[32]; }; /* ATSC parameters */ struct atsc_params { enum dvbfe_modulation modulation; __u8 pad[32]; }; /* DVB Frontend Tuning Parameters */ struct dvbfe_params { __u32 frequency; enum fe_spectral_inversion inversion; enum dvbfe_delsys delivery; __u8 pad[32]; union { struct dvbs_params dvbs; struct dss_params dss; struct dvbs2_params dvbs2; struct dvbc_params dvbc; struct dvbt_params dvbt; struct dvbh_params dvbh; struct atsc_params atsc; __u8 pad[128]; } delsys; }; #define DVBFE_SET_PARAMS _IOW('o', 83, struct dvbfe_params) #define DVBFE_GET_PARAMS _IOWR('o', 84, struct dvbfe_params) /* DVB-S capability bitfields */ struct dvbfe_dvbs_info { enum dvbfe_modulation modulation; enum dvbfe_fec fec; }; /* DSS capability bitfields */ struct dvbfe_dss_info { enum dvbfe_modulation modulation; enum dvbfe_fec fec; }; /* DVB-S2 capability bitfields */ struct dvbfe_dvbs2_info { enum dvbfe_modulation modulation; enum dvbfe_fec fec; __u8 pad[32]; }; /* DVB-C capability bitfields */ struct dvbfe_dvbc_info { enum dvbfe_modulation modulation; }; /* DVB-T capability bitfields */ struct dvbfe_dvbt_info { enum dvbfe_modulation modulation; enum dvbfe_stream_priority stream_priority; __u8 pad[32]; }; /* DVB-H capability bitfields */ struct dvbfe_dvbh_info { enum dvbfe_modulation modulation; enum dvbfe_stream_priority stream_priority; __u8 pad[32]; }; /* ATSC capability bitfields */ struct dvbfe_atsc_info { enum dvbfe_modulation modulation; __u8 pad[32]; }; /* DVB Frontend related Information */ struct dvbfe_info { char name[128]; union { struct dvbfe_dvbs_info dvbs; struct dvbfe_dss_info dss; struct dvbfe_dvbs2_info dvbs2; struct dvbfe_dvbc_info dvbc; struct dvbfe_dvbt_info dvbt; struct dvbfe_dvbh_info dvbh; struct dvbfe_atsc_info atsc; __u8 pad[128]; } delsys; __u32 frequency_min; __u32 frequency_max; __u32 frequency_step; __u32 frequency_tolerance; __u32 symbol_rate_min; __u32 symbol_rate_max; __u32 symbol_rate_tolerance; enum fe_spectral_inversion inversion; __u8 pad[128]; }; #define DVBFE_GET_INFO _IOR('o', 85, struct dvbfe_info) enum dvbfe_status { DVBFE_HAS_SIGNAL = (1 << 0), /* something above noise floor */ DVBFE_HAS_CARRIER = (1 << 1), /* Signal found */ DVBFE_HAS_VITERBI = (1 << 2), /* FEC is stable */ DVBFE_HAS_SYNC = (1 << 3), /* SYNC found */ DVBFE_HAS_LOCK = (1 << 4), /* OK .. */ DVBFE_TIMEDOUT = (1 << 5), /* no lock in last ~2 s */ DVBFE_STATUS_DUMMY = (1 << 31) }; /* DVB Frontend events */ struct dvbfe_events { enum dvbfe_status status; __u8 pad[32]; }; struct dvb_frontend_event { fe_status_t status; struct dvb_frontend_parameters parameters; }; #define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event) struct dvbfe_event { struct dvbfe_events fe_events; struct dvbfe_params fe_params; }; #define DVBFE_GET_EVENT _IOR('o', 86, struct dvbfe_event) #endif /*_DVBFRONTEND_H_*/