1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Driver for
4 *    Samsung S5H1420 and
5 *    PnpNetwork PN1010 QPSK Demodulator
6 *
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_H
11#define S5H1420_H
12
13#include <linux/dvb/frontend.h>
14
15struct s5h1420_config
16{
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#else
34static 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_S5H1420
46
47#endif // S5H1420_H
48