1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  Driver for Conexant CX24113/CX24128 Tuner (Satellite)
4  *
5  *  Copyright (C) 2007-8 Patrick Boettcher <pb@linuxtv.org>
6  */
7 
8 #ifndef CX24113_H
9 #define CX24113_H
10 
11 struct dvb_frontend;
12 
13 struct cx24113_config {
14 	u8 i2c_addr; /* 0x14 or 0x54 */
15 
16 	u32 xtal_khz;
17 };
18 
19 #if IS_REACHABLE(CONFIG_DVB_TUNER_CX24113)
20 extern struct dvb_frontend *cx24113_attach(struct dvb_frontend *,
21 	const struct cx24113_config *config, struct i2c_adapter *i2c);
22 
23 extern void cx24113_agc_callback(struct dvb_frontend *fe);
24 #else
25 static inline struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
26 	const struct cx24113_config *config, struct i2c_adapter *i2c)
27 {
28 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
29 	return NULL;
30 }
31 
32 static inline void cx24113_agc_callback(struct dvb_frontend *fe)
33 {
34 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
35 }
36 #endif
37 
38 #endif /* CX24113_H */
39