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 
23 struct s921_config {
24 	/* the demodulator's i2c address */
25 	u8 demod_address;
26 };
27 
28 #if IS_REACHABLE(CONFIG_DVB_S921)
29 extern struct dvb_frontend *s921_attach(const struct s921_config *config,
30 					   struct i2c_adapter *i2c);
31 extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *);
32 #else
33 static 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 }
39 static 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