← Back
Editing: frontend.h
/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */ /* * frontend.h * * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de> * Ralph Metzler <ralph@convergence.de> * Holger Waechtler <holger@convergence.de> * Andre Draszik <ad@convergence.de> * for convergence integrated media GmbH * * 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 <linux/types.h> /** * enum fe_caps - Frontend capabilities * * @FE_IS_STUPID: There's something wrong at the * frontend, and it can't report its * capabilities. * @FE_CAN_INVERSION_AUTO: Can auto-detect frequency spectral * band inversion * @FE_CAN_FEC_1_2: Supports FEC 1/2 * @FE_CAN_FEC_2_3: Supports FEC 2/3 * @FE_CAN_FEC_3_4: Supports FEC 3/4 * @FE_CAN_FEC_4_5: Supports FEC 4/5 * @FE_CAN_FEC_5_6: Supports FEC 5/6 * @FE_CAN_FEC_6_7: Supports FEC 6/7 * @FE_CAN_FEC_7_8: Supports FEC 7/8 * @FE_CAN_FEC_8_9: Supports FEC 8/9 * @FE_CAN_FEC_AUTO: Can auto-detect FEC * @FE_CAN_QPSK: Supports QPSK modulation * @FE_CAN_QAM_16: Supports 16-QAM modulation * @FE_CAN_QAM_32: Supports 32-QAM modulation * @FE_CAN_QAM_64: Supports 64-QAM modulation * @FE_CAN_QAM_128: Supports 128-QAM modulation * @FE_CAN_QAM_256: Supports 256-QAM modulation * @FE_CAN_QAM_AUTO: Can auto-detect QAM modulation * @FE_CAN_TRANSMISSION_MODE_AUTO: Can auto-detect transmission mode * @FE_CAN_BANDWIDTH_AUTO: Can auto-detect bandwidth * @FE_CAN_GUARD_INTERVAL_AUTO: Can auto-detect guard interval * @FE_CAN_HIERARCHY_AUTO: Can auto-detect hierarchy * @FE_CAN_8VSB: Supports 8-VSB modulation * @FE_CAN_16VSB: Supporta 16-VSB modulation * @FE_HAS_EXTENDED_CAPS: Unused * @FE_CAN_MULTISTREAM: Supports multistream filtering * @FE_CAN_TURBO_FEC: Supports "turbo FEC" modulation * @FE_CAN_2G_MODULATION: Supports "2nd generation" modulation, * e. g. DVB-S2, DVB-T2, DVB-C2 * @FE_NEEDS_BENDING: Unused * @FE_CAN_RECOVER: Can recover from a cable unplug * automatically * @FE_CAN_MUTE_TS: Can stop spurious TS data output */ 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_HAS_EXTENDED_CAPS = 0x800000, FE_CAN_MULTISTREAM = 0x4000000, FE_CAN_TURBO_FEC = 0x8000000, FE_CAN_2G_MODULATION = 0x10000000, FE_NEEDS_BENDING = 0x20000000, FE_CAN_RECOVER = 0x40000000, FE_CAN_MUTE_TS = 0x80000000 }; /* * DEPRECATED: Should be kept just due to backward compatibility. */ enum fe_type { FE_QPSK, FE_QAM, FE_OFDM, FE_ATSC }; /** * struct dvb_frontend_info - Frontend properties and capabilities * * @name: Name of the frontend * @type: **DEPRECATED**. * Should not be used on modern programs, * as a frontend may have more than one type. * In order to get the support types of a given * frontend, use :c:type:`DTV_ENUM_DELSYS` * instead. * @frequency_min: Minimal frequency supported by the frontend. * @frequency_max: Minimal frequency supported by the frontend. * @frequency_stepsize: All frequencies are multiple of this value. * @frequency_tolerance: Frequency tolerance. * @symbol_rate_min: Minimal symbol rate, in bauds * (for Cable/Satellite systems). * @symbol_rate_max: Maximal symbol rate, in bauds * (for Cable/Satellite systems). * @symbol_rate_tolerance: Maximal symbol rate tolerance, in ppm * (for Cable/Satellite systems). * @notifier_delay: **DEPRECATED**. Not used by any driver. * @caps: Capabilities supported by the frontend, * as specified in &enum fe_caps. * * .. note: * * #. The frequencies are specified in Hz for Terrestrial and Cable * systems. * #. The frequencies are specified in kHz for Satellite systems. */ struct dvb_frontend_info { char name[128]; enum fe_type type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */ __u32 frequency_min; __u32 frequency_max; __u32 frequency_stepsize; __u32 frequency_tolerance; __u32 symbol_rate_min; __u32 symbol_rate_max; __u32 symbol_rate_tolerance; __u32 notifier_delay; /* DEPRECATED */ enum fe_caps caps; }; /** * struct dvb_diseqc_master_cmd - DiSEqC master command * * @msg: * DiSEqC message to be sent. It contains a 3 bytes header with: * framing + address + command, and an optional argument * of up to 3 bytes of data. * @msg_len: * Length of the DiSEqC message. Valid values are 3 to 6. * * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for * the possible messages that can be used. */ struct dvb_diseqc_master_cmd { __u8 msg[6]; __u8 msg_len; }; /** * struct dvb_diseqc_slave_reply - DiSEqC received data * * @msg: * DiSEqC message buffer to store a message received via DiSEqC. * It contains one byte header with: framing and * an optional argument of up to 3 bytes of data. * @msg_len: * Length of the DiSEqC message. Valid values are 0 to 4, * where 0 means no message. * @timeout: * Return from ioctl after timeout ms with errorcode when * no message was received. * * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for * the possible messages that can be used. */ struct dvb_diseqc_slave_reply { __u8 msg[4]; __u8 msg_len; int timeout; }; /** * enum fe_sec_voltage - DC Voltage used to feed the LNBf * * @SEC_VOLTAGE_13: Output 13V to the LNBf * @SEC_VOLTAGE_18: Output 18V to the LNBf * @SEC_VOLTAGE_OFF: Don't feed the LNBf with a DC voltage */ enum fe_sec_voltage { SEC_VOLTAGE_13, SEC_VOLTAGE_18, SEC_VOLTAGE_OFF }; /** * enum fe_sec_tone_mode - Type of tone to be send to the LNBf. * @SEC_TONE_ON: Sends a 22kHz tone burst to the antenna. * @SEC_TONE_OFF: Don't send a 22kHz tone to the antenna (except * if the ``FE_DISEQC_*`` ioctls are called). */ enum fe_sec_tone_mode { SEC_TONE_ON, SEC_TONE_OFF }; /** * enum fe_sec_mini_cmd - Type of mini burst to be sent * * @SEC_MINI_A: Sends a mini-DiSEqC 22kHz '0' Tone Burst to select * satellite-A * @SEC_MINI_B: Sends a mini-DiSEqC 22kHz '1' Data Burst to select * satellite-B */ enum fe_sec_mini_cmd { SEC_MINI_A, SEC_MINI_B }; /** * enum fe_status - Enumerates the possible frontend status. * @FE_NONE: The frontend doesn't have any kind of lock. * That's the initial frontend status * @FE_HAS_SIGNAL: Has found something above the noise level. * @FE_HAS_CARRIER: Has found a signal. * @FE_HAS_VITERBI: FEC inner coding (Viterbi, LDPC or other inner code). * is stable. * @FE_HAS_SYNC: Synchronization bytes was found. * @FE_HAS_LOCK: Digital TV were locked and everything is working. * @FE_TIMEDOUT: Fo lock within the last about 2 seconds. * @FE_REINIT: Frontend was reinitialized, application is recommended * to reset DiSEqC, tone and parameters. */ enum fe_status { FE_NONE = 0x00, FE_HAS_SIGNAL = 0x01, FE_HAS_CARRIER = 0x02, FE_HAS_VITERBI = 0x04, FE_HAS_SYNC = 0x08, FE_HAS_LOCK = 0x10, FE_TIMEDOUT = 0x20, FE_REINIT = 0x40, }; /** * enum fe_spectral_inversion - Type of inversion band * * @INVERSION_OFF: Don't do spectral band inversion. * @INVERSION_ON: Do spectral band inversion. * @INVERSION_AUTO: Autodetect spectral band inversion. * * This parameter indicates if spectral inversion should be presumed or * not. In the automatic setting (``INVERSION_AUTO``) the hardware will try * to figure out the correct setting by itself. If the hardware doesn't * support, the %dvb_frontend will try to lock at the carrier first with * inversion off. If it fails, it will try to enable inversion. */ enum fe_spectral_inversion { INVERSION_OFF, INVERSION_ON, INVERSION_AUTO }; /** * enum fe_code_rate - Type of Forward Error Correction (FEC) * * * @FEC_NONE: No Forward Error Correction Code * @FEC_1_2: Forward Error Correction Code 1/2 * @FEC_2_3: Forward Error Correction Code 2/3 * @FEC_3_4: Forward Error Correction Code 3/4 * @FEC_4_5: Forward Error Correction Code 4/5 * @FEC_5_6: Forward Error Correction Code 5/6 * @FEC_6_7: Forward Error Correction Code 6/7 * @FEC_7_8: Forward Error Correction Code 7/8 * @FEC_8_9: Forward Error Correction Code 8/9 * @FEC_AUTO: Autodetect Error Correction Code * @FEC_3_5: Forward Error Correction Code 3/5 * @FEC_9_10: Forward Error Correction Code 9/10 * @FEC_2_5: Forward Error Correction Code 2/5 * * Please note that not all FEC types are supported by a given standard. */ 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, FEC_3_5, FEC_9_10, FEC_2_5, }; /** * enum fe_modulation - Type of modulation/constellation * @QPSK: QPSK modulation * @QAM_16: 16-QAM modulation * @QAM_32: 32-QAM modulation * @QAM_64: 64-QAM modulation * @QAM_128: 128-QAM modulation * @QAM_256: 256-QAM modulation * @QAM_AUTO: Autodetect QAM modulation * @VSB_8: 8-VSB modulation * @VSB_16: 16-VSB modulation * @PSK_8: 8-PSK modulation * @APSK_16: 16-APSK modulation * @APSK_32: 32-APSK modulation * @DQPSK: DQPSK modulation * @QAM_4_NR: 4-QAM-NR modulation * * Please note that not all modulations are supported by a given standard. * */ enum fe_modulation { QPSK, QAM_16, QAM_32, QAM_64, QAM_128, QAM_256, QAM_AUTO, VSB_8, VSB_16, PSK_8, APSK_16, APSK_32, DQPSK, QAM_4_NR, }; /** * enum fe_transmit_mode - Transmission mode * * @TRANSMISSION_MODE_AUTO: * Autodetect transmission mode. The hardware will try to find the * correct FFT-size (if capable) to fill in the missing parameters. * @TRANSMISSION_MODE_1K: * Transmission mode 1K * @TRANSMISSION_MODE_2K: * Transmission mode 2K * @TRANSMISSION_MODE_8K: * Transmission mode 8K * @TRANSMISSION_MODE_4K: * Transmission mode 4K * @TRANSMISSION_MODE_16K: * Transmission mode 16K * @TRANSMISSION_MODE_32K: * Transmission mode 32K * @TRANSMISSION_MODE_C1: * Single Carrier (C=1) transmission mode (DTMB only) * @TRANSMISSION_MODE_C3780: * Multi Carrier (C=3780) transmission mode (DTMB only) * * Please note that not all transmission modes are supported by a given * standard. */ enum fe_transmit_mode { TRANSMISSION_MODE_2K, TRANSMISSION_MODE_8K, TRANSMISSION_MODE_AUTO, TRANSMISSION_MODE_4K, TRANSMISSION_MODE_1K, TRANSMISSION_MODE_16K, TRANSMISSION_MODE_32K, TRANSMISSION_MODE_C1, TRANSMISSION_MODE_C3780, }; /** * enum fe_guard_interval - Guard interval * * @GUARD_INTERVAL_AUTO: Autodetect the guard interval * @GUARD_INTERVAL_1_128: Guard interval 1/128 * @GUARD_INTERVAL_1_32: Guard interval 1/32 * @GUARD_INTERVAL_1_16: Guard interval 1/16 * @GUARD_INTERVAL_1_8: Guard interval 1/8 * @GUARD_INTERVAL_1_4: Guard interval 1/4 * @GUARD_INTERVAL_19_128: Guard interval 19/128 * @GUARD_INTERVAL_19_256: Guard interval 19/256 * @GUARD_INTERVAL_PN420: PN length 420 (1/4) * @GUARD_INTERVAL_PN595: PN length 595 (1/6) * @GUARD_INTERVAL_PN945: PN length 945 (1/9) * * Please note that not all guard intervals are supported by a given standard. */ enum fe_guard_interval { GUARD_INTERVAL_1_32, GUARD_INTERVAL_1_16, GUARD_INTERVAL_1_8, GUARD_INTERVAL_1_4, GUARD_INTERVAL_AUTO, GUARD_INTERVAL_1_128, GUARD_INTERVAL_19_128, GUARD_INTERVAL_19_256, GUARD_INTERVAL_PN420, GUARD_INTERVAL_PN595, GUARD_INTERVAL_PN945, }; /** * enum fe_hierarchy - Hierarchy * @HIERARCHY_NONE: No hierarchy * @HIERARCHY_AUTO: Autodetect hierarchy (if supported) * @HIERARCHY_1: Hierarchy 1 * @HIERARCHY_2: Hierarchy 2 * @HIERARCHY_4: Hierarchy 4 * * Please note that not all hierarchy types are supported by a given standard. */ enum fe_hierarchy { HIERARCHY_NONE, HIERARCHY_1, HIERARCHY_2, HIERARCHY_4, HIERARCHY_AUTO }; /** * enum fe_interleaving - Interleaving * @INTERLEAVING_NONE: No interleaving. * @INTERLEAVING_AUTO: Auto-detect interleaving. * @INTERLEAVING_240: Interleaving of 240 symbols. * @INTERLEAVING_720: Interleaving of 720 symbols. * * Please note that, currently, only DTMB uses it. */ enum fe_interleaving { INTERLEAVING_NONE, INTERLEAVING_AUTO, INTERLEAVING_240, INTERLEAVING_720, }; /* DVBv5 property Commands */ #define DTV_UNDEFINED 0 #define DTV_TUNE 1 #define DTV_CLEAR 2 #define DTV_FREQUENCY 3 #define DTV_MODULATION 4 #define DTV_BANDWIDTH_HZ 5 #define DTV_INVERSION 6 #define DTV_DISEQC_MASTER 7 #define DTV_SYMBOL_RATE 8 #define DTV_INNER_FEC 9 #define DTV_VOLTAGE 10 #define DTV_TONE 11 #define DTV_PILOT 12 #define DTV_ROLLOFF 13 #define DTV_DISEQC_SLAVE_REPLY 14 /* Basic enumeration set for querying unlimited capabilities */ #define DTV_FE_CAPABILITY_COUNT 15 #define DTV_FE_CAPABILITY 16 #define DTV_DELIVERY_SYSTEM 17 /* ISDB-T and ISDB-Tsb */ #define DTV_ISDBT_PARTIAL_RECEPTION 18 #define DTV_ISDBT_SOUND_BROADCASTING 19 #define DTV_ISDBT_SB_SUBCHANNEL_ID 20 #define DTV_ISDBT_SB_SEGMENT_IDX 21 #define DTV_ISDBT_SB_SEGMENT_COUNT 22 #define DTV_ISDBT_LAYERA_FEC 23 #define DTV_ISDBT_LAYERA_MODULATION 24 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26 #define DTV_ISDBT_LAYERB_FEC 27 #define DTV_ISDBT_LAYERB_MODULATION 28 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30 #define DTV_ISDBT_LAYERC_FEC 31 #define DTV_ISDBT_LAYERC_MODULATION 32 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34 #define DTV_API_VERSION 35 #define DTV_CODE_RATE_HP 36 #define DTV_CODE_RATE_LP 37 #define DTV_GUARD_INTERVAL 38 #define DTV_TRANSMISSION_MODE 39 #define DTV_HIERARCHY 40 #define DTV_ISDBT_LAYER_ENABLED 41 #define DTV_STREAM_ID 42 #define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID #define DTV_DVBT2_PLP_ID_LEGACY 43 #define DTV_ENUM_DELSYS 44 /* ATSC-MH */ #define DTV_ATSCMH_FIC_VER 45 #define DTV_ATSCMH_PARADE_ID 46 #define DTV_ATSCMH_NOG 47 #define DTV_ATSCMH_TNOG 48 #define DTV_ATSCMH_SGN 49 #define DTV_ATSCMH_PRC 50 #define DTV_ATSCMH_RS_FRAME_MODE 51 #define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52 #define DTV_ATSCMH_RS_CODE_MODE_PRI 53 #define DTV_ATSCMH_RS_CODE_MODE_SEC 54 #define DTV_ATSCMH_SCCC_BLOCK_MODE 55 #define DTV_ATSCMH_SCCC_CODE_MODE_A 56 #define DTV_ATSCMH_SCCC_CODE_MODE_B 57 #define DTV_ATSCMH_SCCC_CODE_MODE_C 58 #define DTV_ATSCMH_SCCC_CODE_MODE_D 59 #define DTV_INTERLEAVING 60 #define DTV_LNA 61 /* Quality parameters */ #define DTV_STAT_SIGNAL_STRENGTH 62 #define DTV_STAT_CNR 63 #define DTV_STAT_PRE_ERROR_BIT_COUNT 64 #define DTV_STAT_PRE_TOTAL_BIT_COUNT 65 #define DTV_STAT_POST_ERROR_BIT_COUNT 66 #define DTV_STAT_POST_TOTAL_BIT_COUNT 67 #define DTV_STAT_ERROR_BLOCK_COUNT 68 #define DTV_STAT_TOTAL_BLOCK_COUNT 69 /* Physical layer scrambling */ #define DTV_SCRAMBLING_SEQUENCE_INDEX 70 #define DTV_MAX_COMMAND DTV_SCRAMBLING_SEQUENCE_INDEX /** * enum fe_pilot - Type of pilot tone * * @PILOT_ON: Pilot tones enabled * @PILOT_OFF: Pilot tones disabled * @PILOT_AUTO: Autodetect pilot tones */ enum fe_pilot { PILOT_ON, PILOT_OFF, PILOT_AUTO, }; /** * enum fe_rolloff - Rolloff factor * @ROLLOFF_35: Roloff factor: α=35% * @ROLLOFF_20: Roloff factor: α=20% * @ROLLOFF_25: Roloff factor: α=25% * @ROLLOFF_AUTO: Auto-detect the roloff factor. * * .. note: * * Roloff factor of 35% is implied on DVB-S. On DVB-S2, it is default. */ enum fe_rolloff { ROLLOFF_35, ROLLOFF_20, ROLLOFF_25, ROLLOFF_AUTO, }; /** * enum fe_delivery_system - Type of the delivery system * * @SYS_UNDEFINED: * Undefined standard. Generally, indicates an error * @SYS_DVBC_ANNEX_A: * Cable TV: DVB-C following ITU-T J.83 Annex A spec * @SYS_DVBC_ANNEX_B: * Cable TV: DVB-C following ITU-T J.83 Annex B spec (ClearQAM) * @SYS_DVBC_ANNEX_C: * Cable TV: DVB-C following ITU-T J.83 Annex C spec * @SYS_ISDBC: * Cable TV: ISDB-C (no drivers yet) * @SYS_DVBT: * Terrestrial TV: DVB-T * @SYS_DVBT2: * Terrestrial TV: DVB-T2 * @SYS_ISDBT: * Terrestrial TV: ISDB-T * @SYS_ATSC: * Terrestrial TV: ATSC * @SYS_ATSCMH: * Terrestrial TV (mobile): ATSC-M/H * @SYS_DTMB: * Terrestrial TV: DTMB * @SYS_DVBS: * Satellite TV: DVB-S * @SYS_DVBS2: * Satellite TV: DVB-S2 * @SYS_TURBO: * Satellite TV: DVB-S Turbo * @SYS_ISDBS: * Satellite TV: ISDB-S * @SYS_DAB: * Digital audio: DAB (not fully supported) * @SYS_DSS: * Satellite TV: DSS (not fully supported) * @SYS_CMMB: * Terrestrial TV (mobile): CMMB (not fully supported) * @SYS_DVBH: * Terrestrial TV (mobile): DVB-H (standard deprecated) */ enum fe_delivery_system { SYS_UNDEFINED, SYS_DVBC_ANNEX_A, SYS_DVBC_ANNEX_B, SYS_DVBT, SYS_DSS, SYS_DVBS, SYS_DVBS2, SYS_DVBH, SYS_ISDBT, SYS_ISDBS, SYS_ISDBC, SYS_ATSC, SYS_ATSCMH, SYS_DTMB, SYS_CMMB, SYS_DAB, SYS_DVBT2, SYS_TURBO, SYS_DVBC_ANNEX_C, }; /* backward compatibility definitions for delivery systems */ #define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A #define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB */ /* ATSC-MH specific parameters */ /** * enum atscmh_sccc_block_mode - Type of Series Concatenated Convolutional * Code Block Mode. * * @ATSCMH_SCCC_BLK_SEP: * Separate SCCC: the SCCC outer code mode shall be set independently * for each Group Region (A, B, C, D) * @ATSCMH_SCCC_BLK_COMB: * Combined SCCC: all four Regions shall have the same SCCC outer * code mode. * @ATSCMH_SCCC_BLK_RES: * Reserved. Shouldn't be used. */ enum atscmh_sccc_block_mode { ATSCMH_SCCC_BLK_SEP = 0, ATSCMH_SCCC_BLK_COMB = 1, ATSCMH_SCCC_BLK_RES = 2, }; /** * enum atscmh_sccc_code_mode - Type of Series Concatenated Convolutional * Code Rate. * * @ATSCMH_SCCC_CODE_HLF: * The outer code rate of a SCCC Block is 1/2 rate. * @ATSCMH_SCCC_CODE_QTR: * The outer code rate of a SCCC Block is 1/4 rate. * @ATSCMH_SCCC_CODE_RES: * Reserved. Should not be used. */ enum atscmh_sccc_code_mode { ATSCMH_SCCC_CODE_HLF = 0, ATSCMH_SCCC_CODE_QTR = 1, ATSCMH_SCCC_CODE_RES = 2, }; /** * enum atscmh_rs_frame_ensemble - Reed Solomon(RS) frame ensemble. * * @ATSCMH_RSFRAME_ENS_PRI: Primary Ensemble. * @ATSCMH_RSFRAME_ENS_SEC: Secondary Ensemble. */ enum atscmh_rs_frame_ensemble { ATSCMH_RSFRAME_ENS_PRI = 0, ATSCMH_RSFRAME_ENS_SEC = 1, }; /** * enum atscmh_rs_frame_mode - Reed Solomon (RS) frame mode. * * @ATSCMH_RSFRAME_PRI_ONLY: * Single Frame: There is only a primary RS Frame for all Group * Regions. * @ATSCMH_RSFRAME_PRI_SEC: * Dual Frame: There are two separate RS Frames: Primary RS Frame for * Group Region A and B and Secondary RS Frame for Group Region C and * D. * @ATSCMH_RSFRAME_RES: * Reserved. Shouldn't be used. */ enum atscmh_rs_frame_mode { ATSCMH_RSFRAME_PRI_ONLY = 0, ATSCMH_RSFRAME_PRI_SEC = 1, ATSCMH_RSFRAME_RES = 2, }; /** * enum atscmh_rs_code_mode * @ATSCMH_RSCODE_211_187: Reed Solomon code (211,187). * @ATSCMH_RSCODE_223_187: Reed Solomon code (223,187). * @ATSCMH_RSCODE_235_187: Reed Solomon code (235,187). * @ATSCMH_RSCODE_RES: Reserved. Shouldn't be used. */ enum atscmh_rs_code_mode { ATSCMH_RSCODE_211_187 = 0, ATSCMH_RSCODE_223_187 = 1, ATSCMH_RSCODE_235_187 = 2, ATSCMH_RSCODE_RES = 3, }; #define NO_STREAM_ID_FILTER (~0U) #define LNA_AUTO (~0U) /** * enum fecap_scale_params - scale types for the quality parameters. * * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That * could indicate a temporary or a permanent * condition. * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically * used on signal measures. * @FE_SCALE_RELATIVE: The scale is a relative percentual measure, * ranging from 0 (0%) to 0xffff (100%). * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like * bit error, block error, lapsed time. */ enum fecap_scale_params { FE_SCALE_NOT_AVAILABLE = 0, FE_SCALE_DECIBEL, FE_SCALE_RELATIVE, FE_SCALE_COUNTER }; /** * struct dtv_stats - Used for reading a DTV status property * * @scale: * Filled with enum fecap_scale_params - the scale in usage * for that parameter * * @svalue: * integer value of the measure, for %FE_SCALE_DECIBEL, * used for dB measures. The unit is 0.001 dB. * * @uvalue: * unsigned integer value of the measure, used when @scale is * either %FE_SCALE_RELATIVE or %FE_SCALE_COUNTER. * * For most delivery systems, this will return a single value for each * parameter. * * It should be noticed, however, that new OFDM delivery systems like * ISDB can use different modulation types for each group of carriers. * On such standards, up to 8 groups of statistics can be provided, one * for each carrier group (called "layer" on ISDB). * * In order to be consistent with other delivery systems, the first * value refers to the entire set of carriers ("global"). * * @scale should use the value %FE_SCALE_NOT_AVAILABLE when * the value for the entire group of carriers or from one specific layer * is not provided by the hardware. * * @len should be filled with the latest filled status + 1. * * In other words, for ISDB, those values should be filled like:: * * u.st.stat.svalue[0] = global statistics; * u.st.stat.scale[0] = FE_SCALE_DECIBEL; * u.st.stat.value[1] = layer A statistics; * u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available); * u.st.stat.svalue[2] = layer B statistics; * u.st.stat.scale[2] = FE_SCALE_DECIBEL; * u.st.stat.svalue[3] = layer C statistics; * u.st.stat.scale[3] = FE_SCALE_DECIBEL; * u.st.len = 4; */ struct dtv_stats { __u8 scale; /* enum fecap_scale_params type */ union { __u64 uvalue; /* for counters and relative scales */ __s64 svalue; /* for 0.001 dB measures */ }; } __attribute__ ((packed)); #define MAX_DTV_STATS 4 /** * struct dtv_fe_stats - store Digital TV frontend statistics * * @len: length of the statistics - if zero, stats is disabled. * @stat: array with digital TV statistics. * * On most standards, @len can either be 0 or 1. However, for ISDB, each * layer is modulated in separate. So, each layer may have its own set * of statistics. If so, stat[0] carries on a global value for the property. * Indexes 1 to 3 means layer A to B. */ struct dtv_fe_stats { __u8 len; struct dtv_stats stat[MAX_DTV_STATS]; } __attribute__ ((packed)); /** * struct dtv_property - store one of frontend command and its value * * @cmd: Digital TV command. * @reserved: Not used. * @u: Union with the values for the command. * @u.data: A unsigned 32 bits integer with command value. * @u.buffer: Struct to store bigger properties. * Currently unused. * @u.buffer.data: an unsigned 32-bits array. * @u.buffer.len: number of elements of the buffer. * @u.buffer.reserved1: Reserved. * @u.buffer.reserved2: Reserved. * @u.st: a &struct dtv_fe_stats array of statistics. * @result: Currently unused. * */ struct dtv_property { __u32 cmd; __u32 reserved[3]; union { __u32 data; struct dtv_fe_stats st; struct { __u8 data[32]; __u32 len; __u32 reserved1[3]; void *reserved2; } buffer; } u; int result; } __attribute__ ((packed)); /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ #define DTV_IOCTL_MAX_MSGS 64 /** * struct dtv_properties - a set of command/value pairs. * * @num: amount of commands stored at the struct. * @props: a pointer to &struct dtv_property. */ struct dtv_properties { __u32 num; struct dtv_property *props; }; /* * When set, this flag will disable any zigzagging or other "normal" tuning * behavior. 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 /* Digital TV Frontend API calls */ #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_TUNE_MODE _IO('o', 81) /* unsigned int */ #define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event) #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */ #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) /* * DEPRECATED: Everything below is deprecated in favor of DVBv5 API * * The DVBv3 only ioctls, structs and enums should not be used on * newer programs, as it doesn't support the second generation of * digital TV standards, nor supports newer delivery systems. * They also don't support modern frontends with usually support multiple * delivery systems. * * Drivers shouldn't use them. * * New applications should use DVBv5 delivery system instead */ /* */ enum fe_bandwidth { BANDWIDTH_8_MHZ, BANDWIDTH_7_MHZ, BANDWIDTH_6_MHZ, BANDWIDTH_AUTO, BANDWIDTH_5_MHZ, BANDWIDTH_10_MHZ, BANDWIDTH_1_712_MHZ, }; /* This is kept for legacy userspace support */ typedef enum fe_sec_voltage fe_sec_voltage_t; typedef enum fe_caps fe_caps_t; typedef enum fe_type fe_type_t; typedef enum fe_sec_tone_mode fe_sec_tone_mode_t; typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t; typedef enum fe_status fe_status_t; typedef enum fe_spectral_inversion fe_spectral_inversion_t; typedef enum fe_code_rate fe_code_rate_t; typedef enum fe_modulation fe_modulation_t; typedef enum fe_transmit_mode fe_transmit_mode_t; typedef enum fe_bandwidth fe_bandwidth_t; typedef enum fe_guard_interval fe_guard_interval_t; typedef enum fe_hierarchy fe_hierarchy_t; typedef enum fe_pilot fe_pilot_t; typedef enum fe_rolloff fe_rolloff_t; typedef enum fe_delivery_system fe_delivery_system_t; /* DVBv3 structs */ 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 DVB-C/DVB-T/ATSC */ /* intermediate frequency in kHz for DVB-S */ fe_spectral_inversion_t inversion; union { struct dvb_qpsk_parameters qpsk; /* DVB-S */ struct dvb_qam_parameters qam; /* DVB-C */ struct dvb_ofdm_parameters ofdm; /* DVB-T */ struct dvb_vsb_parameters vsb; /* ATSC */ } u; }; struct dvb_frontend_event { fe_status_t status; struct dvb_frontend_parameters parameters; }; /* DVBv3 API calls */ #define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters) #define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters) #endif /*_DVBFRONTEND_H_*/
Save File
Cancel