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