1 /*
2  * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
3  *
4  * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.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  * References:
17  *   http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
18  *
19  */
20 
21 #ifndef _DVB_SI2165_H
22 #define _DVB_SI2165_H
23 
24 #include <linux/dvb/frontend.h>
25 
26 enum {
27 	SI2165_MODE_OFF = 0x00,
28 	SI2165_MODE_PLL_EXT = 0x20,
29 	SI2165_MODE_PLL_XTAL = 0x21
30 };
31 
32 /* I2C addresses
33  * possible values: 0x64,0x65,0x66,0x67
34  */
35 struct si2165_platform_data {
36 	/*
37 	 * frontend
38 	 * returned by driver
39 	 */
40 	struct dvb_frontend **fe;
41 
42 	/* external clock or XTAL */
43 	u8 chip_mode;
44 
45 	/* frequency of external clock or xtal in Hz
46 	 * possible values: 4000000, 16000000, 20000000, 240000000, 27000000
47 	 */
48 	u32 ref_freq_hz;
49 
50 	/* invert the spectrum */
51 	bool inversion;
52 };
53 
54 #endif /* _DVB_SI2165_H */
55