1/*
2 *   Sharp s921 driver
3 *
4 *   Copyright (C) 2009 Mauro Carvalho Chehab
5 *   Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com>
6 *
7 *   This program is free software; you can redistribute it and/or
8 *   modify it under the terms of the GNU General Public License as
9 *   published by the Free Software Foundation version 2.
10 *
11 *   This program is distributed in the hope that it will be useful,
12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 *   General Public License for more details.
15 */
16
17#ifndef S921_H
18#define S921_H
19
20#include <linux/kconfig.h>
21#include <linux/dvb/frontend.h>
22
23struct s921_config {
24	/* the demodulator's i2c address */
25	u8 demod_address;
26};
27
28#if IS_ENABLED(CONFIG_DVB_S921)
29extern struct dvb_frontend *s921_attach(const struct s921_config *config,
30					   struct i2c_adapter *i2c);
31extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *);
32#else
33static inline struct dvb_frontend *s921_attach(
34	const struct s921_config *config, struct i2c_adapter *i2c)
35{
36	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
37	return NULL;
38}
39static struct i2c_adapter *
40	s921_get_tuner_i2c_adapter(struct dvb_frontend *fe)
41{
42	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
43	return NULL;
44}
45#endif
46
47#endif /* S921_H */
48