1/*
2    Driver for Zarlink MT312 Satellite Channel Decoder
3
4    Copyright (C) 2003 Andreas Oberritter <obi@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    References:
22    http://products.zarlink.com/product_profiles/MT312.htm
23    http://products.zarlink.com/product_profiles/SL1935.htm
24*/
25
26#ifndef MT312_H
27#define MT312_H
28
29#include <linux/dvb/frontend.h>
30
31struct mt312_config {
32	/* the demodulator's i2c address */
33	u8 demod_address;
34
35	/* inverted voltage setting */
36	unsigned int voltage_inverted:1;
37};
38
39#if defined(CONFIG_DVB_MT312) || (defined(CONFIG_DVB_MT312_MODULE) && defined(MODULE))
40struct dvb_frontend *mt312_attach(const struct mt312_config *config,
41					struct i2c_adapter *i2c);
42#else
43static inline struct dvb_frontend *mt312_attach(
44	const struct mt312_config *config, struct i2c_adapter *i2c)
45{
46	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
47	return NULL;
48}
49#endif /* CONFIG_DVB_MT312 */
50
51#endif /* MT312_H */
52