1 /*
2 * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
3 *
4 * Copyright (c) 2006 Steven Toth <stoth@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
18 #ifndef __MT2131_H__
19 #define __MT2131_H__
20
21 struct dvb_frontend;
22 struct i2c_adapter;
23
24 struct mt2131_config {
25 u8 i2c_address;
26 u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
27 };
28
29 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131)
30 extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
31 struct i2c_adapter *i2c,
32 struct mt2131_config *cfg,
33 u16 if1);
34 #else
mt2131_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,struct mt2131_config * cfg,u16 if1)35 static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
36 struct i2c_adapter *i2c,
37 struct mt2131_config *cfg,
38 u16 if1)
39 {
40 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
41 return NULL;
42 }
43 #endif /* CONFIG_MEDIA_TUNER_MT2131 */
44
45 #endif /* __MT2131_H__ */
46