xref: /linux/drivers/media/dvb-frontends/mb86a20s.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /*
2  *   Fujitsu mb86a20s driver
3  *
4  *   Copyright (C) 2010 Mauro Carvalho Chehab <mchehab@redhat.com>
5  *
6  *   This program is free software; you can redistribute it and/or
7  *   modify it under the terms of the GNU General Public License as
8  *   published by the Free Software Foundation version 2.
9  *
10  *   This program is distributed in the hope that it will be useful,
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  *   General Public License for more details.
14  */
15 
16 #ifndef MB86A20S_H
17 #define MB86A20S_H
18 
19 #include <linux/dvb/frontend.h>
20 
21 /**
22  * struct mb86a20s_config - Define the per-device attributes of the frontend
23  *
24  * @demod_address:	the demodulator's i2c address
25  */
26 
27 struct mb86a20s_config {
28 	u8 demod_address;
29 	bool is_serial;
30 };
31 
32 #if defined(CONFIG_DVB_MB86A20S) || (defined(CONFIG_DVB_MB86A20S_MODULE) \
33 	&& defined(MODULE))
34 extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
35 					   struct i2c_adapter *i2c);
36 extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
37 #else
38 static inline struct dvb_frontend *mb86a20s_attach(
39 	const struct mb86a20s_config *config, struct i2c_adapter *i2c)
40 {
41 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
42 	return NULL;
43 }
44 static struct i2c_adapter *
45 	mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
46 {
47 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
48 	return NULL;
49 }
50 #endif
51 
52 #endif /* MB86A20S */
53