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  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  */
24 
25 #ifndef __DVB_STV6110_H__
26 #define __DVB_STV6110_H__
27 
28 #include <linux/i2c.h>
29 #include "dvb_frontend.h"
30 
31 /* registers */
32 #define RSTV6110_CTRL1		0
33 #define RSTV6110_CTRL2		1
34 #define RSTV6110_TUNING1	2
35 #define RSTV6110_TUNING2	3
36 #define RSTV6110_CTRL3		4
37 #define RSTV6110_STAT1		5
38 #define RSTV6110_STAT2		6
39 #define RSTV6110_STAT3		7
40 
41 struct stv6110_config {
42 	u8 i2c_address;
43 	u32 mclk;
44 	u8 gain;
45 	u8 clk_div;	/* divisor value for the output clock */
46 };
47 
48 #if IS_REACHABLE(CONFIG_DVB_STV6110)
49 extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
50 					const struct stv6110_config *config,
51 					struct i2c_adapter *i2c);
52 #else
53 static inline struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
54 					const struct stv6110_config *config,
55 					struct i2c_adapter *i2c)
56 {
57 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
58 	return NULL;
59 }
60 #endif
61 
62 #endif
63