xref: /linux/drivers/media/dvb-frontends/cx24117.h (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
1 /*
2     Conexant cx24117/cx24132 - Dual DVBS/S2 Satellite demod/tuner driver
3 
4     Copyright (C) 2013 Luis Alves <ljalvs@gmail.com>
5 	(based on cx24116.h by Steven Toth)
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 as published by
9     the Free Software Foundation; either version 2 of the License, or
10     (at your option) any later version.
11 
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15     GNU General Public License for more details.
16 
17     You should have received a copy of the GNU General Public License
18     along with this program; if not, write to the Free Software
19     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21 
22 #ifndef CX24117_H
23 #define CX24117_H
24 
25 #include <linux/kconfig.h>
26 #include <linux/dvb/frontend.h>
27 
28 struct cx24117_config {
29 	/* the demodulator's i2c address */
30 	u8 demod_address;
31 };
32 
33 #if IS_REACHABLE(CONFIG_DVB_CX24117)
34 extern struct dvb_frontend *cx24117_attach(
35 	const struct cx24117_config *config,
36 	struct i2c_adapter *i2c);
37 #else
38 static inline struct dvb_frontend *cx24117_attach(
39 	const struct cx24117_config *config,
40 	struct i2c_adapter *i2c)
41 {
42 	dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
43 	return NULL;
44 }
45 #endif
46 
47 #endif /* CX24117_H */
48