1010 lines
29 KiB
C
1010 lines
29 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
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/*
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* frontend.h
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*
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* Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
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* Ralph Metzler <ralph@convergence.de>
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* Holger Waechtler <holger@convergence.de>
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* Andre Draszik <ad@convergence.de>
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* for convergence integrated media GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _DVBFRONTEND_H_
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#define _DVBFRONTEND_H_
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#include <linux/types.h>
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/**
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* enum fe_caps - Frontend capabilities
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*
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* @FE_IS_STUPID: There's something wrong at the
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* frontend, and it can't report its
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* capabilities.
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* @FE_CAN_INVERSION_AUTO: Can auto-detect frequency spectral
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* band inversion
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* @FE_CAN_FEC_1_2: Supports FEC 1/2
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* @FE_CAN_FEC_2_3: Supports FEC 2/3
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* @FE_CAN_FEC_3_4: Supports FEC 3/4
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* @FE_CAN_FEC_4_5: Supports FEC 4/5
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* @FE_CAN_FEC_5_6: Supports FEC 5/6
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* @FE_CAN_FEC_6_7: Supports FEC 6/7
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* @FE_CAN_FEC_7_8: Supports FEC 7/8
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* @FE_CAN_FEC_8_9: Supports FEC 8/9
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* @FE_CAN_FEC_AUTO: Can auto-detect FEC
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* @FE_CAN_QPSK: Supports QPSK modulation
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* @FE_CAN_QAM_16: Supports 16-QAM modulation
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* @FE_CAN_QAM_32: Supports 32-QAM modulation
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* @FE_CAN_QAM_64: Supports 64-QAM modulation
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* @FE_CAN_QAM_128: Supports 128-QAM modulation
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* @FE_CAN_QAM_256: Supports 256-QAM modulation
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* @FE_CAN_QAM_AUTO: Can auto-detect QAM modulation
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* @FE_CAN_TRANSMISSION_MODE_AUTO: Can auto-detect transmission mode
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* @FE_CAN_BANDWIDTH_AUTO: Can auto-detect bandwidth
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* @FE_CAN_GUARD_INTERVAL_AUTO: Can auto-detect guard interval
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* @FE_CAN_HIERARCHY_AUTO: Can auto-detect hierarchy
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* @FE_CAN_8VSB: Supports 8-VSB modulation
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* @FE_CAN_16VSB: Supporta 16-VSB modulation
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* @FE_HAS_EXTENDED_CAPS: Unused
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* @FE_CAN_MULTISTREAM: Supports multistream filtering
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* @FE_CAN_TURBO_FEC: Supports "turbo FEC" modulation
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* @FE_CAN_2G_MODULATION: Supports "2nd generation" modulation,
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* e. g. DVB-S2, DVB-T2, DVB-C2
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* @FE_NEEDS_BENDING: Unused
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* @FE_CAN_RECOVER: Can recover from a cable unplug
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* automatically
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* @FE_CAN_MUTE_TS: Can stop spurious TS data output
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*/
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enum fe_caps {
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FE_IS_STUPID = 0,
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FE_CAN_INVERSION_AUTO = 0x1,
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FE_CAN_FEC_1_2 = 0x2,
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FE_CAN_FEC_2_3 = 0x4,
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FE_CAN_FEC_3_4 = 0x8,
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FE_CAN_FEC_4_5 = 0x10,
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FE_CAN_FEC_5_6 = 0x20,
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FE_CAN_FEC_6_7 = 0x40,
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FE_CAN_FEC_7_8 = 0x80,
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FE_CAN_FEC_8_9 = 0x100,
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FE_CAN_FEC_AUTO = 0x200,
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FE_CAN_QPSK = 0x400,
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FE_CAN_QAM_16 = 0x800,
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FE_CAN_QAM_32 = 0x1000,
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FE_CAN_QAM_64 = 0x2000,
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FE_CAN_QAM_128 = 0x4000,
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FE_CAN_QAM_256 = 0x8000,
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FE_CAN_QAM_AUTO = 0x10000,
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FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000,
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FE_CAN_BANDWIDTH_AUTO = 0x40000,
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FE_CAN_GUARD_INTERVAL_AUTO = 0x80000,
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FE_CAN_HIERARCHY_AUTO = 0x100000,
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FE_CAN_8VSB = 0x200000,
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FE_CAN_16VSB = 0x400000,
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FE_HAS_EXTENDED_CAPS = 0x800000,
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FE_CAN_MULTISTREAM = 0x4000000,
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FE_CAN_TURBO_FEC = 0x8000000,
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FE_CAN_2G_MODULATION = 0x10000000,
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FE_NEEDS_BENDING = 0x20000000,
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FE_CAN_RECOVER = 0x40000000,
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FE_CAN_MUTE_TS = 0x80000000
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};
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/*
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* DEPRECATED: Should be kept just due to backward compatibility.
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*/
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enum fe_type {
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FE_QPSK,
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FE_QAM,
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FE_OFDM,
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FE_ATSC
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};
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/**
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* struct dvb_frontend_info - Frontend properties and capabilities
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*
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* @name: Name of the frontend
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* @type: **DEPRECATED**.
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* Should not be used on modern programs,
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* as a frontend may have more than one type.
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* In order to get the support types of a given
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* frontend, use :c:type:`DTV_ENUM_DELSYS`
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* instead.
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* @frequency_min: Minimal frequency supported by the frontend.
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* @frequency_max: Minimal frequency supported by the frontend.
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* @frequency_stepsize: All frequencies are multiple of this value.
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* @frequency_tolerance: Frequency tolerance.
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* @symbol_rate_min: Minimal symbol rate, in bauds
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* (for Cable/Satellite systems).
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* @symbol_rate_max: Maximal symbol rate, in bauds
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* (for Cable/Satellite systems).
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* @symbol_rate_tolerance: Maximal symbol rate tolerance, in ppm
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* (for Cable/Satellite systems).
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* @notifier_delay: **DEPRECATED**. Not used by any driver.
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* @caps: Capabilities supported by the frontend,
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* as specified in &enum fe_caps.
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*
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* .. note:
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*
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* #. The frequencies are specified in Hz for Terrestrial and Cable
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* systems.
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* #. The frequencies are specified in kHz for Satellite systems.
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*/
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struct dvb_frontend_info {
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char name[128];
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enum fe_type type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */
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__u32 frequency_min;
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__u32 frequency_max;
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__u32 frequency_stepsize;
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__u32 frequency_tolerance;
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__u32 symbol_rate_min;
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__u32 symbol_rate_max;
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__u32 symbol_rate_tolerance;
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__u32 notifier_delay; /* DEPRECATED */
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enum fe_caps caps;
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};
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/**
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* struct dvb_diseqc_master_cmd - DiSEqC master command
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*
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* @msg:
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* DiSEqC message to be sent. It contains a 3 bytes header with:
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* framing + address + command, and an optional argument
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* of up to 3 bytes of data.
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* @msg_len:
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* Length of the DiSEqC message. Valid values are 3 to 6.
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*
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* Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
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* the possible messages that can be used.
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*/
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struct dvb_diseqc_master_cmd {
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__u8 msg[6];
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__u8 msg_len;
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};
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/**
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* struct dvb_diseqc_slave_reply - DiSEqC received data
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*
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* @msg:
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* DiSEqC message buffer to store a message received via DiSEqC.
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* It contains one byte header with: framing and
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* an optional argument of up to 3 bytes of data.
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* @msg_len:
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* Length of the DiSEqC message. Valid values are 0 to 4,
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* where 0 means no message.
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* @timeout:
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* Return from ioctl after timeout ms with errorcode when
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* no message was received.
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*
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* Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
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* the possible messages that can be used.
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*/
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struct dvb_diseqc_slave_reply {
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__u8 msg[4];
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__u8 msg_len;
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int timeout;
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};
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/**
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* enum fe_sec_voltage - DC Voltage used to feed the LNBf
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*
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* @SEC_VOLTAGE_13: Output 13V to the LNBf
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* @SEC_VOLTAGE_18: Output 18V to the LNBf
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* @SEC_VOLTAGE_OFF: Don't feed the LNBf with a DC voltage
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*/
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enum fe_sec_voltage {
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SEC_VOLTAGE_13,
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SEC_VOLTAGE_18,
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SEC_VOLTAGE_OFF
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};
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/**
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* enum fe_sec_tone_mode - Type of tone to be send to the LNBf.
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* @SEC_TONE_ON: Sends a 22kHz tone burst to the antenna.
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* @SEC_TONE_OFF: Don't send a 22kHz tone to the antenna (except
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* if the ``FE_DISEQC_*`` ioctls are called).
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*/
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enum fe_sec_tone_mode {
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SEC_TONE_ON,
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SEC_TONE_OFF
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};
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/**
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* enum fe_sec_mini_cmd - Type of mini burst to be sent
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*
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* @SEC_MINI_A: Sends a mini-DiSEqC 22kHz '0' Tone Burst to select
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* satellite-A
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* @SEC_MINI_B: Sends a mini-DiSEqC 22kHz '1' Data Burst to select
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* satellite-B
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*/
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enum fe_sec_mini_cmd {
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SEC_MINI_A,
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SEC_MINI_B
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};
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/**
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* enum fe_status - Enumerates the possible frontend status.
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* @FE_NONE: The frontend doesn't have any kind of lock.
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* That's the initial frontend status
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* @FE_HAS_SIGNAL: Has found something above the noise level.
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* @FE_HAS_CARRIER: Has found a signal.
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* @FE_HAS_VITERBI: FEC inner coding (Viterbi, LDPC or other inner code).
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* is stable.
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* @FE_HAS_SYNC: Synchronization bytes was found.
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* @FE_HAS_LOCK: Digital TV were locked and everything is working.
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* @FE_TIMEDOUT: Fo lock within the last about 2 seconds.
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* @FE_REINIT: Frontend was reinitialized, application is recommended
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* to reset DiSEqC, tone and parameters.
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*/
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enum fe_status {
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FE_NONE = 0x00,
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FE_HAS_SIGNAL = 0x01,
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FE_HAS_CARRIER = 0x02,
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FE_HAS_VITERBI = 0x04,
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FE_HAS_SYNC = 0x08,
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FE_HAS_LOCK = 0x10,
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FE_TIMEDOUT = 0x20,
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FE_REINIT = 0x40,
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};
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/**
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* enum fe_spectral_inversion - Type of inversion band
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*
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* @INVERSION_OFF: Don't do spectral band inversion.
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* @INVERSION_ON: Do spectral band inversion.
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* @INVERSION_AUTO: Autodetect spectral band inversion.
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*
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* This parameter indicates if spectral inversion should be presumed or
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* not. In the automatic setting (``INVERSION_AUTO``) the hardware will try
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* to figure out the correct setting by itself. If the hardware doesn't
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* support, the %dvb_frontend will try to lock at the carrier first with
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* inversion off. If it fails, it will try to enable inversion.
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*/
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enum fe_spectral_inversion {
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INVERSION_OFF,
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INVERSION_ON,
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INVERSION_AUTO
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};
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/**
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* enum fe_code_rate - Type of Forward Error Correction (FEC)
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*
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*
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* @FEC_NONE: No Forward Error Correction Code
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* @FEC_1_2: Forward Error Correction Code 1/2
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* @FEC_2_3: Forward Error Correction Code 2/3
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* @FEC_3_4: Forward Error Correction Code 3/4
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* @FEC_4_5: Forward Error Correction Code 4/5
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* @FEC_5_6: Forward Error Correction Code 5/6
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* @FEC_6_7: Forward Error Correction Code 6/7
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* @FEC_7_8: Forward Error Correction Code 7/8
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* @FEC_8_9: Forward Error Correction Code 8/9
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* @FEC_AUTO: Autodetect Error Correction Code
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* @FEC_3_5: Forward Error Correction Code 3/5
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* @FEC_9_10: Forward Error Correction Code 9/10
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* @FEC_2_5: Forward Error Correction Code 2/5
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*
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* Please note that not all FEC types are supported by a given standard.
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*/
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enum fe_code_rate {
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FEC_NONE = 0,
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FEC_1_2,
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FEC_2_3,
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FEC_3_4,
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FEC_4_5,
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FEC_5_6,
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FEC_6_7,
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FEC_7_8,
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FEC_8_9,
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FEC_AUTO,
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FEC_3_5,
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FEC_9_10,
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FEC_2_5,
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};
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/**
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* enum fe_modulation - Type of modulation/constellation
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* @QPSK: QPSK modulation
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* @QAM_16: 16-QAM modulation
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* @QAM_32: 32-QAM modulation
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* @QAM_64: 64-QAM modulation
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* @QAM_128: 128-QAM modulation
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* @QAM_256: 256-QAM modulation
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* @QAM_AUTO: Autodetect QAM modulation
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* @VSB_8: 8-VSB modulation
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* @VSB_16: 16-VSB modulation
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* @PSK_8: 8-PSK modulation
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* @APSK_16: 16-APSK modulation
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* @APSK_32: 32-APSK modulation
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* @DQPSK: DQPSK modulation
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* @QAM_4_NR: 4-QAM-NR modulation
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*
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* Please note that not all modulations are supported by a given standard.
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*
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*/
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enum fe_modulation {
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QPSK,
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QAM_16,
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QAM_32,
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QAM_64,
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QAM_128,
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QAM_256,
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QAM_AUTO,
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VSB_8,
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VSB_16,
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PSK_8,
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APSK_16,
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APSK_32,
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DQPSK,
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QAM_4_NR,
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};
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/**
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* enum fe_transmit_mode - Transmission mode
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*
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* @TRANSMISSION_MODE_AUTO:
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* Autodetect transmission mode. The hardware will try to find the
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* correct FFT-size (if capable) to fill in the missing parameters.
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* @TRANSMISSION_MODE_1K:
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* Transmission mode 1K
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* @TRANSMISSION_MODE_2K:
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* Transmission mode 2K
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* @TRANSMISSION_MODE_8K:
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* Transmission mode 8K
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* @TRANSMISSION_MODE_4K:
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* Transmission mode 4K
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* @TRANSMISSION_MODE_16K:
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* Transmission mode 16K
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* @TRANSMISSION_MODE_32K:
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* Transmission mode 32K
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* @TRANSMISSION_MODE_C1:
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* Single Carrier (C=1) transmission mode (DTMB only)
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* @TRANSMISSION_MODE_C3780:
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||
* Multi Carrier (C=3780) transmission mode (DTMB only)
|
||
*
|
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* Please note that not all transmission modes are supported by a given
|
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* standard.
|
||
*/
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enum fe_transmit_mode {
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TRANSMISSION_MODE_2K,
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TRANSMISSION_MODE_8K,
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TRANSMISSION_MODE_AUTO,
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TRANSMISSION_MODE_4K,
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TRANSMISSION_MODE_1K,
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TRANSMISSION_MODE_16K,
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TRANSMISSION_MODE_32K,
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TRANSMISSION_MODE_C1,
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TRANSMISSION_MODE_C3780,
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||
};
|
||
|
||
/**
|
||
* 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 {
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||
GUARD_INTERVAL_1_32,
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GUARD_INTERVAL_1_16,
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||
GUARD_INTERVAL_1_8,
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||
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_*/
|