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Mauro Carvalho Chehab3a509bb2010-09-10 16:49:47 -03001/*
2 * Sharp s921 driver
3 *
Mauro Carvalho Chehab37e59f82014-02-07 08:03:07 -02004 * Copyright (C) 2009 Mauro Carvalho Chehab
Mauro Carvalho Chehab3a509bb2010-09-10 16:49:47 -03005 * 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
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030020#include <linux/kconfig.h>
Mauro Carvalho Chehab3a509bb2010-09-10 16:49:47 -030021#include <linux/dvb/frontend.h>
22
23struct s921_config {
24 /* the demodulator's i2c address */
25 u8 demod_address;
26};
27
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030028#if IS_ENABLED(CONFIG_DVB_S921)
Mauro Carvalho Chehab3a509bb2010-09-10 16:49:47 -030029extern 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 */