Current File : //proc/thread-self/root/proc/thread-self/root/usr/include/linux/dvb/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_*/
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