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/kconfig.h>
20 #include <linux/dvb/frontend.h>
21 
22 /**
23  * struct mb86a20s_config - Define the per-device attributes of the frontend
24  *
25  * @fclk:		Clock frequency. If zero, assumes the default
26  *			(32.57142 Mhz)
27  * @demod_address:	the demodulator's i2c address
28  * @is_serial:		if true, TS is serial. Otherwise, TS is parallel
29  */
30 
31 struct mb86a20s_config {
32 	u32	fclk;
33 	u8	demod_address;
34 	bool	is_serial;
35 };
36 
37 #if IS_ENABLED(CONFIG_DVB_MB86A20S)
38 extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
39 					   struct i2c_adapter *i2c);
40 extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
41 #else
42 static inline struct dvb_frontend *mb86a20s_attach(
43 	const struct mb86a20s_config *config, struct i2c_adapter *i2c)
44 {
45 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
46 	return NULL;
47 }
48 static struct i2c_adapter *
49 	mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
50 {
51 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
52 	return NULL;
53 }
54 #endif
55 
56 #endif /* MB86A20S */
57