1/*
2    cx24110 - Single Chip Satellite Channel Receiver driver module
3
4    Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
5    work
6    Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
7
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 2 of the License, or
11    (at your option) any later version.
12
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
17    GNU General Public License for more details.
18
19    You should have received a copy of the GNU General Public License
20    along with this program; if not, write to the Free Software
21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22
23*/
24
25#ifndef CX24110_H
26#define CX24110_H
27
28#include <linux/dvb/frontend.h>
29
30struct cx24110_config
31{
32	/* the demodulator's i2c address */
33	u8 demod_address;
34};
35
36static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
37{
38	u8 buf[] = {
39		(u8)((val >> 24) & 0xff),
40		(u8)((val >> 16) & 0xff),
41		(u8)((val >> 8) & 0xff)
42	};
43
44	if (fe->ops.write)
45		return fe->ops.write(fe, buf, 3);
46	return 0;
47}
48
49#if IS_REACHABLE(CONFIG_DVB_CX24110)
50extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
51					   struct i2c_adapter* i2c);
52#else
53static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
54						  struct i2c_adapter* i2c)
55{
56	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57	return NULL;
58}
59#endif // CONFIG_DVB_CX24110
60
61#endif // CX24110_H
62