/* 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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*

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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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*/

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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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};

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/**

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* enum fe_guard_interval - Guard interval

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*

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* @GUARD_INTERVAL_AUTO: Autodetect the guard interval

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* @GUARD_INTERVAL_1_128: Guard interval 1/128

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* @GUARD_INTERVAL_1_32: Guard interval 1/32

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* @GUARD_INTERVAL_1_16: Guard interval 1/16

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* @GUARD_INTERVAL_1_8: Guard interval 1/8

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* @GUARD_INTERVAL_1_4: Guard interval 1/4

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* @GUARD_INTERVAL_19_128: Guard interval 19/128

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* @GUARD_INTERVAL_19_256: Guard interval 19/256

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* @GUARD_INTERVAL_PN420: PN length 420 (1/4)

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* @GUARD_INTERVAL_PN595: PN length 595 (1/6)

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* @GUARD_INTERVAL_PN945: PN length 945 (1/9)

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*

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* Please note that not all guard intervals are supported by a given standard.

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*/

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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,

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GUARD_INTERVAL_AUTO,

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GUARD_INTERVAL_1_128,

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GUARD_INTERVAL_19_128,

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GUARD_INTERVAL_19_256,

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GUARD_INTERVAL_PN420,

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GUARD_INTERVAL_PN595,

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GUARD_INTERVAL_PN945,

[420] Fix | Delete

};

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[422] Fix | Delete

/**

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* enum fe_hierarchy - Hierarchy

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* @HIERARCHY_NONE: No hierarchy

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* @HIERARCHY_AUTO: Autodetect hierarchy (if supported)

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* @HIERARCHY_1: Hierarchy 1

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* @HIERARCHY_2: Hierarchy 2

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* @HIERARCHY_4: Hierarchy 4

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*

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* Please note that not all hierarchy types are supported by a given standard.

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*/

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enum fe_hierarchy {

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HIERARCHY_NONE,

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HIERARCHY_1,

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HIERARCHY_2,

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HIERARCHY_4,

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HIERARCHY_AUTO

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};

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[440] Fix | Delete

/**

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* enum fe_interleaving - Interleaving

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* @INTERLEAVING_NONE: No interleaving.

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* @INTERLEAVING_AUTO: Auto-detect interleaving.

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* @INTERLEAVING_240: Interleaving of 240 symbols.

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* @INTERLEAVING_720: Interleaving of 720 symbols.

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*

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* Please note that, currently, only DTMB uses it.

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*/

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enum fe_interleaving {

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INTERLEAVING_NONE,

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INTERLEAVING_AUTO,

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INTERLEAVING_240,

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INTERLEAVING_720,

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};

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[456] Fix | Delete

/* DVBv5 property Commands */

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#define DTV_UNDEFINED 0

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#define DTV_TUNE 1

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#define DTV_CLEAR 2

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#define DTV_FREQUENCY 3

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#define DTV_MODULATION 4

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#define DTV_BANDWIDTH_HZ 5

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#define DTV_INVERSION 6

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#define DTV_DISEQC_MASTER 7

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#define DTV_SYMBOL_RATE 8

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#define DTV_INNER_FEC 9

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#define DTV_VOLTAGE 10

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#define DTV_TONE 11

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#define DTV_PILOT 12

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#define DTV_ROLLOFF 13

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#define DTV_DISEQC_SLAVE_REPLY 14

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/* Basic enumeration set for querying unlimited capabilities */

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#define DTV_FE_CAPABILITY_COUNT 15

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#define DTV_FE_CAPABILITY 16

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#define DTV_DELIVERY_SYSTEM 17

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[479] Fix | Delete

/* ISDB-T and ISDB-Tsb */

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#define DTV_ISDBT_PARTIAL_RECEPTION 18

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#define DTV_ISDBT_SOUND_BROADCASTING 19

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[483] Fix | Delete

#define DTV_ISDBT_SB_SUBCHANNEL_ID 20

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#define DTV_ISDBT_SB_SEGMENT_IDX 21

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#define DTV_ISDBT_SB_SEGMENT_COUNT 22

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[487] Fix | Delete

#define DTV_ISDBT_LAYERA_FEC 23

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#define DTV_ISDBT_LAYERA_MODULATION 24

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#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25

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#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26

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[492] Fix | Delete

#define DTV_ISDBT_LAYERB_FEC 27

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#define DTV_ISDBT_LAYERB_MODULATION 28

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#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29

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#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30

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[497] Fix | Delete

#define DTV_ISDBT_LAYERC_FEC 31

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#define DTV_ISDBT_LAYERC_MODULATION 32

[499] Fix | Delete