1 /*
2  * stv6110.h
3  *
4  * Driver for ST STV6110 satellite tuner IC.
5  *
6  * Copyright (C) 2009 NetUP Inc.
7  * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *
18  * GNU General Public License for more details.
19  */
20 
21 #ifndef __DVB_STV6110_H__
22 #define __DVB_STV6110_H__
23 
24 #include <linux/i2c.h>
25 #include <media/dvb_frontend.h>
26 
27 /* registers */
28 #define RSTV6110_CTRL1		0
29 #define RSTV6110_CTRL2		1
30 #define RSTV6110_TUNING1	2
31 #define RSTV6110_TUNING2	3
32 #define RSTV6110_CTRL3		4
33 #define RSTV6110_STAT1		5
34 #define RSTV6110_STAT2		6
35 #define RSTV6110_STAT3		7
36 
37 struct stv6110_config {
38 	u8 i2c_address;
39 	u32 mclk;
40 	u8 gain;
41 	u8 clk_div;	/* divisor value for the output clock */
42 };
43 
44 #if IS_REACHABLE(CONFIG_DVB_STV6110)
45 extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
46 					const struct stv6110_config *config,
47 					struct i2c_adapter *i2c);
48 #else
49 static inline struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
50 					const struct stv6110_config *config,
51 					struct i2c_adapter *i2c)
52 {
53 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
54 	return NULL;
55 }
56 #endif
57 
58 #endif
59