1/*
2    Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
3
4    Copyright (C) 2005 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    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19*/
20
21#ifndef CX24123_H
22#define CX24123_H
23
24#include <linux/dvb/frontend.h>
25
26struct cx24123_config {
27	/* the demodulator's i2c address */
28	u8 demod_address;
29
30	/* Need to set device param for start_dma */
31	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
32
33	/* 0 = LNB voltage normal, 1 = LNB voltage inverted */
34	int lnb_polarity;
35
36	/* this device has another tuner */
37	u8 dont_use_pll;
38	void (*agc_callback) (struct dvb_frontend *);
39};
40
41#if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) \
42	&& defined(MODULE))
43extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
44					   struct i2c_adapter *i2c);
45extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
46#else
47static inline struct dvb_frontend *cx24123_attach(
48	const struct cx24123_config *config, struct i2c_adapter *i2c)
49{
50	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
51	return NULL;
52}
53static struct i2c_adapter *
54	cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
55{
56	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57	return NULL;
58}
59#endif
60
61#endif /* CX24123_H */
62