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 *  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 __MT2131_H__
23#define __MT2131_H__
24
25struct dvb_frontend;
26struct i2c_adapter;
27
28struct mt2131_config {
29	u8 i2c_address;
30	u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
31};
32
33#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131)
34extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
35					  struct i2c_adapter *i2c,
36					  struct mt2131_config *cfg,
37					  u16 if1);
38#else
39static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
40						 struct i2c_adapter *i2c,
41						 struct mt2131_config *cfg,
42						 u16 if1)
43{
44	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45	return NULL;
46}
47#endif /* CONFIG_MEDIA_TUNER_MT2131 */
48
49#endif /* __MT2131_H__ */
50