xref: /openbmc/linux/drivers/media/tuners/tda18218.h (revision f3539c12)
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  *    You should have received a copy of the GNU General Public License
17  *    along with this program; if not, write to the Free Software
18  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  */
20 
21 #ifndef TDA18218_H
22 #define TDA18218_H
23 
24 #include <linux/kconfig.h>
25 #include "dvb_frontend.h"
26 
27 struct tda18218_config {
28 	u8 i2c_address;
29 	u8 i2c_wr_max;
30 	u8 loop_through:1;
31 };
32 
33 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18218)
34 extern struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
35 	struct i2c_adapter *i2c, struct tda18218_config *cfg);
36 #else
37 static inline struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
38 	struct i2c_adapter *i2c, struct tda18218_config *cfg)
39 {
40 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
41 	return NULL;
42 }
43 #endif
44 
45 #endif
46