1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  Driver for Maxim MAX2165 silicon tuner
4  *
5  *  Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com>
6  */
7 
8 #ifndef __MAX2165_H__
9 #define __MAX2165_H__
10 
11 struct dvb_frontend;
12 struct i2c_adapter;
13 
14 struct max2165_config {
15 	u8 i2c_address;
16 	u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
17 };
18 
19 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MAX2165)
20 extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
21 	struct i2c_adapter *i2c,
22 	struct max2165_config *cfg);
23 #else
max2165_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,struct max2165_config * cfg)24 static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
25 	struct i2c_adapter *i2c,
26 	struct max2165_config *cfg)
27 {
28 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
29 	return NULL;
30 }
31 #endif
32 
33 #endif
34