48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Driver for
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* Samsung S5H1420 and
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* PnpNetwork PN1010 QPSK Demodulator
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*
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* Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
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* Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org>
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*/
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#ifndef S5H1420_H
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#define S5H1420_H
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#include <linux/dvb/frontend.h>
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struct s5h1420_config
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{
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/* the demodulator's i2c address */
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u8 demod_address;
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/* does the inversion require inversion? */
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u8 invert:1;
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u8 repeated_start_workaround:1;
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u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */
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u8 serial_mpeg:1;
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};
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#if IS_REACHABLE(CONFIG_DVB_S5H1420)
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extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
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struct i2c_adapter *i2c);
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extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe);
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#else
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static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
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struct i2c_adapter *i2c)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe)
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{
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return NULL;
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}
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#endif // CONFIG_DVB_S5H1420
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#endif // S5H1420_H
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