xref: /openbmc/linux/drivers/media/tuners/tda18218.h (revision be709d48)
1 /*
2  * NXP TDA18218HN silicon tuner driver
3  *
4  * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
5  *
6  *    This program is free software; you can redistribute it and/or modify
7  *    it under the terms of the GNU General Public License as published by
8  *    the Free Software Foundation; either version 2 of the License, or
9  *    (at your option) any later version.
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 TDA18218_H
18 #define TDA18218_H
19 
20 #include <media/dvb_frontend.h>
21 
22 struct tda18218_config {
23 	u8 i2c_address;
24 	u8 i2c_wr_max;
25 	u8 loop_through:1;
26 };
27 
28 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18218)
29 extern struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
30 	struct i2c_adapter *i2c, struct tda18218_config *cfg);
31 #else
32 static inline struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
33 	struct i2c_adapter *i2c, struct tda18218_config *cfg)
34 {
35 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
36 	return NULL;
37 }
38 #endif
39 
40 #endif
41