45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* The Virtual DTV test driver serves as a reference DVB driver and helps
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* validate the existing APIs in the media subsystem. It can also aid
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* developers working on userspace applications.
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*
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* Copyright (C) 2020 Daniel W. S. Almeida
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*/
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#ifndef VIDTV_TUNER_H
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#define VIDTV_TUNER_H
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#include <linux/types.h>
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#include <media/dvb_frontend.h>
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#define NUM_VALID_TUNER_FREQS 8
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/**
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* struct vidtv_tuner_config - Configuration used to init the tuner.
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* @fe: A pointer to the dvb_frontend structure allocated by vidtv_demod.
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* @mock_power_up_delay_msec: Simulate a power-up delay.
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* @mock_tune_delay_msec: Simulate a tune delay.
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* @vidtv_valid_dvb_t_freqs: The valid DVB-T frequencies to simulate.
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* @vidtv_valid_dvb_c_freqs: The valid DVB-C frequencies to simulate.
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* @vidtv_valid_dvb_s_freqs: The valid DVB-S frequencies to simulate.
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* @max_frequency_shift_hz: The maximum frequency shift in HZ allowed when
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* tuning in a channel
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*
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* The configuration used to init the tuner module, usually filled
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* by a bridge driver. For vidtv, this is filled by vidtv_bridge before the
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* tuner module is probed.
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*/
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struct vidtv_tuner_config {
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struct dvb_frontend *fe;
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u32 mock_power_up_delay_msec;
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u32 mock_tune_delay_msec;
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u32 vidtv_valid_dvb_t_freqs[NUM_VALID_TUNER_FREQS];
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u32 vidtv_valid_dvb_c_freqs[NUM_VALID_TUNER_FREQS];
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u32 vidtv_valid_dvb_s_freqs[NUM_VALID_TUNER_FREQS];
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u8 max_frequency_shift_hz;
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};
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#endif //VIDTV_TUNER_H
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