1 /*
2  * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver
3  *
4  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
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 
17 #ifndef SI2157_PRIV_H
18 #define SI2157_PRIV_H
19 
20 #include <linux/firmware.h>
21 #include "si2157.h"
22 
23 /* state struct */
24 struct si2157_dev {
25 	struct mutex i2c_mutex;
26 	struct dvb_frontend *fe;
27 	bool active;
28 	bool fw_loaded;
29 	bool inversion;
30 	u8 chiptype;
31 	u32 if_frequency;
32 };
33 
34 #define SI2157_CHIPTYPE_SI2157 0
35 #define SI2157_CHIPTYPE_SI2146 1
36 
37 /* firmware command struct */
38 #define SI2157_ARGLEN      30
39 struct si2157_cmd {
40 	u8 args[SI2157_ARGLEN];
41 	unsigned wlen;
42 	unsigned rlen;
43 };
44 
45 #define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw"
46 
47 #endif
48