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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Driver for4 * Samsung S5H1420 and5 * PnpNetwork PN1010 QPSK Demodulator6 *7 * Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>8 * Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org>9 */10#ifndef S5H1420_H11#define S5H1420_H12 13#include <linux/dvb/frontend.h>14 15struct s5h1420_config16{17 /* the demodulator's i2c address */18 u8 demod_address;19 20 /* does the inversion require inversion? */21 u8 invert:1;22 23 u8 repeated_start_workaround:1;24 u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */25 26 u8 serial_mpeg:1;27};28 29#if IS_REACHABLE(CONFIG_DVB_S5H1420)30extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,31 struct i2c_adapter *i2c);32extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe);33#else34static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,35 struct i2c_adapter *i2c)36{37 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);38 return NULL;39}40 41static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe)42{43 return NULL;44}45#endif // CONFIG_DVB_S5H142046 47#endif // S5H1420_H48