+++ /dev/null
-.. -*- coding: utf-8; mode: rst -*-
-
-file: frontend.h
-================
-
-.. code-block:: c
-
- /*
- * 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_type {
- FE_QPSK,
- FE_QAM,
- FE_OFDM,
- FE_ATSC
- };
-
- 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, /* We need more bitspace for newer APIs, indicate this. */
- FE_CAN_MULTISTREAM = 0x4000000, /* frontend supports multistream filtering */
- FE_CAN_TURBO_FEC = 0x8000000, /* frontend supports "turbo fec modulation" */
- FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */
- 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 */
- };
-
- 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; /* ppm */
- __u32 notifier_delay; /* DEPRECATED */
- enum fe_caps 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 */
-
- enum fe_sec_voltage {
- SEC_VOLTAGE_13,
- SEC_VOLTAGE_18,
- SEC_VOLTAGE_OFF
- };
-
- enum fe_sec_tone_mode {
- SEC_TONE_ON,
- SEC_TONE_OFF
- };
-
- enum fe_sec_mini_cmd {
- SEC_MINI_A,
- SEC_MINI_B
- };
-
- /**
- * enum fe_status - enumerates the possible frontend status
- * @FE_HAS_SIGNAL: found something above the noise level
- * @FE_HAS_CARRIER: found a DVB signal
- * @FE_HAS_VITERBI: FEC is stable
- * @FE_HAS_SYNC: found sync bytes
- * @FE_HAS_LOCK: everything's working
- * @FE_TIMEDOUT: no lock within the last ~2 seconds
- * @FE_REINIT: frontend was reinitialized, application is recommended
- * to reset DiSEqC, tone and parameters
- */
- enum fe_status {
- 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 {
- INVERSION_OFF,
- INVERSION_ON,
- INVERSION_AUTO
- };
-
- 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 {
- 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_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_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_NONE,
- HIERARCHY_1,
- HIERARCHY_2,
- HIERARCHY_4,
- HIERARCHY_AUTO
- };
-
- enum fe_interleaving {
- INTERLEAVING_NONE,
- INTERLEAVING_AUTO,
- INTERLEAVING_240,
- INTERLEAVING_720,
- };
-
- /* S2API 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
-
- #define DTV_MAX_COMMAND DTV_STAT_TOTAL_BLOCK_COUNT
-
- enum fe_pilot {
- PILOT_ON,
- PILOT_OFF,
- PILOT_AUTO,
- };
-
- enum fe_rolloff {
- ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
- ROLLOFF_20,
- ROLLOFF_25,
- ROLLOFF_AUTO,
- };
-
- 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 */
- #define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A
- #define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */
-
- /* ATSC-MH */
-
- 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 {
- ATSCMH_SCCC_CODE_HLF = 0,
- ATSCMH_SCCC_CODE_QTR = 1,
- ATSCMH_SCCC_CODE_RES = 2,
- };
-
- enum atscmh_rs_frame_ensemble {
- ATSCMH_RSFRAME_ENS_PRI = 0,
- ATSCMH_RSFRAME_ENS_SEC = 1,
- };
-
- 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 = 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)
-
- struct dtv_cmds_h {
- char *name; /* A display name for debugging purposes */
-
- __u32 cmd; /* A unique ID */
-
- /* Flags */
- __u32 set:1; /* Either a set or get property */
- __u32 buffer:1; /* Does this property use the buffer? */
- __u32 reserved:30; /* Align */
- };
-
- /**
- * 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
- *
- * @value: value of the measure. Should range from 0 to 0xffff;
- * @scale: Filled with enum fecap_scale_params - the scale
- * in usage for that parameter
- *
- * 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").
- * dtv_status: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.
- * st.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 {
- __u8 len;
- struct dtv_stats stat[MAX_DTV_STATS];
- } __attribute__ ((packed));
-
- 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 {
- __u32 num;
- struct dtv_property *props;
- };
-
- #if defined(__DVB_CORE__) || !defined (__KERNEL__)
-
- /*
- * DEPRECATED: The DVBv3 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.
- */
-
- 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 needed 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;
-
- 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;
- };
- #endif
-
- #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties)
- #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties)
-
- /**
- * 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_GET_EVENT _IOR('o', 78, struct dvb_frontend_event)
-
- #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
-
- #endif /*_DVBFRONTEND_H_*/