294 lines
7.9 KiB
C
294 lines
7.9 KiB
C
/* $NetBSD: dtvio_frontend.h,v 1.2 2011/07/13 23:16:55 jmcneill Exp $ */
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/*-
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* Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jared D. McNeill.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_DTV_DTVIO_FRONTEND_H
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#define _DEV_DTV_DTVIO_FRONTEND_H
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#include <sys/ioccom.h>
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/*
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* DVB Frontend API
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*/
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/* Frontend types */
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typedef enum fe_type {
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FE_QPSK, /* DVB-S */
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FE_QAM, /* DVB-C annex A/C */
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FE_OFDM, /* DVB-T */
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FE_ATSC, /* ATSC or DVB-C annex B */
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} fe_type_t;
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/* Frontend capabilities */
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typedef 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_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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} fe_caps_t;
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/* Frontend information */
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struct dvb_frontend_info {
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char name[128];
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fe_type_t type;
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uint32_t frequency_min;
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uint32_t frequency_max;
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uint32_t frequency_stepsize;
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uint32_t frequency_tolerance;
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uint32_t symbol_rate_min;
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uint32_t symbol_rate_max;
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uint32_t symbol_rate_tolerance; /* ppm */
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uint32_t notifier_delay; /* ms */
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fe_caps_t caps;
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};
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/* Frontend status */
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typedef enum fe_status {
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FE_HAS_SIGNAL = 0x01, /* found something above the noise level */
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FE_HAS_CARRIER = 0x02, /* found a DVB signal */
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FE_HAS_VITERBI = 0x04, /* FEC is stable */
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FE_HAS_SYNC = 0x08, /* found sync bytes */
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FE_HAS_LOCK = 0x10, /* everything's working... */
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FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */
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FE_REINIT = 0x40, /* frontend was reinitialized */
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} fe_status_t;
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/* Frontend spectral inversion */
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typedef 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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} fe_spectral_inversion_t;
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/* Frontend code rate */
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typedef 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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} fe_code_rate_t;
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/* Frontend modulation type for QAM, OFDM, and VSB */
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typedef 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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} fe_modulation_t;
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/* Number of carriers per channel */
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typedef 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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} fe_transmit_mode_t;
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/* Frontend bandwidth */
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typedef enum fe_bandwidth {
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BANDWIDTH_8_MHZ,
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BANDWIDTH_7_MHZ,
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BANDWIDTH_6_MHZ,
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BANDWIDTH_AUTO,
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BANDWIDTH_5_MHZ,
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BANDWIDTH_10_MHZ,
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BANDWIDTH_1_172_MHZ,
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} fe_bandwidth_t;
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/* Frontend guard interval */
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typedef 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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} fe_guard_interval_t;
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/* Frontend hierarchy */
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typedef 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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} fe_hierarchy_t;
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/* QPSK parameters */
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struct dvb_qpsk_parameters {
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uint32_t symbol_rate;
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fe_code_rate_t fec_inner;
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};
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/* QAM parameters */
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struct dvb_qam_parameters {
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uint32_t symbol_rate;
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fe_code_rate_t fec_inner;
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fe_modulation_t modulation;
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};
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/* VSB parameters */
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struct dvb_vsb_parameters {
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fe_modulation_t modulation;
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};
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/* OFDM parameters */
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struct dvb_ofdm_parameters {
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fe_bandwidth_t bandwidth;
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fe_code_rate_t code_rate_HP;
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fe_code_rate_t code_rate_LP;
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fe_modulation_t constellation;
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fe_transmit_mode_t transmission_mode;
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fe_guard_interval_t guard_interval;
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fe_hierarchy_t hierarchy_information;
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};
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/* Frontend parameters */
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struct dvb_frontend_parameters {
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uint32_t frequency;
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fe_spectral_inversion_t inversion;
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union {
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struct dvb_qpsk_parameters qpsk;
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struct dvb_qam_parameters qam;
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struct dvb_ofdm_parameters ofdm;
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struct dvb_vsb_parameters vsb;
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} u;
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};
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/* Frontend events */
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struct dvb_frontend_event {
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fe_status_t status;
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struct dvb_frontend_parameters parameters;
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};
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/* DiSEqC master command */
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struct dvb_diseqc_master_cmd {
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uint8_t msg[6];
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uint8_t msg_len;
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};
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/* DiSEqC slave reply */
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struct dvb_diseqc_slave_reply {
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uint8_t msg[4];
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uint8_t msg_len;
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int timeout;
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};
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/* SEC voltage */
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typedef 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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} fe_sec_voltage_t;
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/* SEC continuous tone */
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typedef enum fe_sec_tone_mode {
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SEC_TONE_ON,
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SEC_TONE_OFF,
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} fe_sec_tone_mode_t;
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/* SEC tone burst */
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typedef enum fe_sec_mini_cmd {
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SEC_MINI_A,
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SEC_MINI_B,
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} fe_sec_mini_cmd_t;
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#define FE_READ_STATUS _IOR('D', 0, fe_status_t)
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#define FE_READ_BER _IOR('D', 1, uint32_t)
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#define FE_READ_SNR _IOR('D', 2, uint16_t)
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#define FE_READ_SIGNAL_STRENGTH _IOR('D', 3, uint16_t)
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#define FE_READ_UNCORRECTED_BLOCKS _IOR('D', 4, uint32_t)
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#define FE_SET_FRONTEND _IOWR('D', 5, struct dvb_frontend_parameters)
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#define FE_GET_FRONTEND _IOR('D', 6, struct dvb_frontend_parameters)
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#define FE_GET_EVENT _IOR('D', 7, struct dvb_frontend_event)
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#define FE_GET_INFO _IOR('D', 8, struct dvb_frontend_info)
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#define FE_DISEQC_RESET_OVERLOAD _IO('D', 9)
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#define FE_DISEQC_SEND_MASTER_CMD _IOW('D', 10, struct dvb_diseqc_master_cmd)
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#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('D', 11, struct dvb_diseqc_slave_reply)
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#define FE_DISEQC_SEND_BURST _IOW('D', 12, fe_sec_mini_cmd_t)
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#define FE_SET_TONE _IOW('D', 13, fe_sec_tone_mode_t)
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#define FE_SET_VOLTAGE _IOW('D', 14, fe_sec_voltage_t)
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#define FE_ENABLE_HIGH_LNB_VOLTAGE _IOW('D', 15, int)
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#define FE_SET_FRONTEND_TUNE_MODE _IOW('D', 16, unsigned int)
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#define FE_DISHNETWORK_SEND_LEGACY_CMD _IOW('D', 17, unsigned long)
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#endif /* !_DEV_DTV_DTVIO_FRONTEND_H */
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