1 /*
2  *   Fujitsu mb86a20s driver
3  *
4  *   Copyright (C) 2010 Mauro Carvalho Chehab
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  * @fclk:		Clock frequency. If zero, assumes the default
25  *			(32.57142 Mhz)
26  * @demod_address:	the demodulator's i2c address
27  * @is_serial:		if true, TS is serial. Otherwise, TS is parallel
28  */
29 
30 struct mb86a20s_config {
31 	u32	fclk;
32 	u8	demod_address;
33 	bool	is_serial;
34 };
35 
36 #if IS_REACHABLE(CONFIG_DVB_MB86A20S)
37 extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
38 					   struct i2c_adapter *i2c);
39 extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
40 #else
41 static inline struct dvb_frontend *mb86a20s_attach(
42 	const struct mb86a20s_config *config, struct i2c_adapter *i2c)
43 {
44 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45 	return NULL;
46 }
47 static inline struct i2c_adapter *
48 	mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
49 {
50 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
51 	return NULL;
52 }
53 #endif
54 
55 #endif /* MB86A20S */
56