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  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
23  *
24  *
25  * the project's page is at https://linuxtv.org
26  */
27 
28 #ifndef _LNBP22_H
29 #define _LNBP22_H
30 
31 #include <linux/kconfig.h>
32 
33 /* Enable */
34 #define LNBP22_EN	  0x10
35 /* Voltage selection */
36 #define LNBP22_VSEL	0x02
37 /* Plus 1 Volt Bit */
38 #define LNBP22_LLC	0x01
39 
40 #include <linux/dvb/frontend.h>
41 
42 #if IS_REACHABLE(CONFIG_DVB_LNBP22)
43 /*
44  * override_set and override_clear control which system register bits (above)
45  * to always set & clear
46  */
47 extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
48 						struct i2c_adapter *i2c);
49 #else
50 static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
51 						struct i2c_adapter *i2c)
52 {
53 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
54 	return NULL;
55 }
56 #endif /* CONFIG_DVB_LNBP22 */
57 
58 #endif /* _LNBP22_H */
59