1 /*
2  * lnbp22.h - driver for lnb supply and control ic lnbp22
3  *
4  * Copyright (C) 2006 Dominik Kuhlen
5  * Based on lnbp21.h
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
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  * GNU General Public License for more details.
17  *
18  * To obtain the license, point your browser to
19  * http://www.gnu.org/copyleft/gpl.html
20  *
21  *
22  * the project's page is at https://linuxtv.org
23  */
24 
25 #ifndef _LNBP22_H
26 #define _LNBP22_H
27 
28 /* Enable */
29 #define LNBP22_EN	  0x10
30 /* Voltage selection */
31 #define LNBP22_VSEL	0x02
32 /* Plus 1 Volt Bit */
33 #define LNBP22_LLC	0x01
34 
35 #include <linux/dvb/frontend.h>
36 
37 #if IS_REACHABLE(CONFIG_DVB_LNBP22)
38 /*
39  * override_set and override_clear control which system register bits (above)
40  * to always set & clear
41  */
42 extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
43 						struct i2c_adapter *i2c);
44 #else
45 static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
46 						struct i2c_adapter *i2c)
47 {
48 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
49 	return NULL;
50 }
51 #endif /* CONFIG_DVB_LNBP22 */
52 
53 #endif /* _LNBP22_H */
54