1 /**
2  * Driver for Zarlink ZL10036 DVB-S silicon tuner
3  *
4  * Copyright (C) 2006 Tino Reichardt
5  * Copyright (C) 2007-2009 Matthias Schwarzott <zzam@gentoo.de>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License Version 2, as
9  * published by the Free Software Foundation.
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
14  * GNU General Public License for more details.
15  */
16 
17 #ifndef DVB_ZL10036_H
18 #define DVB_ZL10036_H
19 
20 #include <linux/i2c.h>
21 #include <media/dvb_frontend.h>
22 
23 struct zl10036_config {
24 	u8 tuner_address;
25 	int rf_loop_enable;
26 };
27 
28 #if IS_REACHABLE(CONFIG_DVB_ZL10036)
29 /**
30  * Attach a zl10036 tuner to the supplied frontend structure.
31  *
32  * @fe: Frontend to attach to.
33  * @config: zl10036_config structure.
34  * @i2c: pointer to struct i2c_adapter.
35  * return: FE pointer on success, NULL on failure.
36  */
37 extern struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
38 	const struct zl10036_config *config, struct i2c_adapter *i2c);
39 #else
40 static inline struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
41 	const struct zl10036_config *config, struct i2c_adapter *i2c)
42 {
43 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
44 	return NULL;
45 }
46 #endif
47 
48 #endif /* DVB_ZL10036_H */
49