xref: /linux/drivers/media/dvb-frontends/cx24113.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /*
2  *  Driver for Conexant CX24113/CX24128 Tuner (Satellite)
3  *
4  *  Copyright (C) 2007-8 Patrick Boettcher <pb@linuxtv.org>
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  *
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 CX24113_H
23 #define CX24113_H
24 
25 struct dvb_frontend;
26 
27 struct cx24113_config {
28 	u8 i2c_addr; /* 0x14 or 0x54 */
29 
30 	u32 xtal_khz;
31 };
32 
33 #if defined(CONFIG_DVB_TUNER_CX24113) || \
34 	(defined(CONFIG_DVB_TUNER_CX24113_MODULE) && defined(MODULE))
35 extern struct dvb_frontend *cx24113_attach(struct dvb_frontend *,
36 	const struct cx24113_config *config, struct i2c_adapter *i2c);
37 
38 extern void cx24113_agc_callback(struct dvb_frontend *fe);
39 #else
40 static inline struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
41 	const struct cx24113_config *config, struct i2c_adapter *i2c)
42 {
43 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
44 	return NULL;
45 }
46 
47 static inline void cx24113_agc_callback(struct dvb_frontend *fe)
48 {
49 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
50 }
51 #endif
52 
53 #endif /* CX24113_H */
54