1 /*
2  * lnbh24.h - driver for lnb supply and control ic lnbh24
3  *
4  * Copyright (C) 2009 NetUP Inc.
5  * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *
16  * GNU General Public License for more details.
17  */
18 
19 #ifndef _LNBH24_H
20 #define _LNBH24_H
21 
22 /* system register bits */
23 #define LNBH24_OLF	0x01
24 #define LNBH24_OTF	0x02
25 #define LNBH24_EN	0x04
26 #define LNBH24_VSEL	0x08
27 #define LNBH24_LLC	0x10
28 #define LNBH24_TEN	0x20
29 #define LNBH24_TTX	0x40
30 #define LNBH24_PCL	0x80
31 
32 #include <linux/dvb/frontend.h>
33 
34 #if IS_REACHABLE(CONFIG_DVB_LNBP21)
35 /* override_set and override_clear control which
36    system register bits (above) to always set & clear */
37 extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
38 				struct i2c_adapter *i2c, u8 override_set,
39 				u8 override_clear, u8 i2c_addr);
40 #else
41 static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
42 				struct i2c_adapter *i2c, u8 override_set,
43 				u8 override_clear, u8 i2c_addr)
44 {
45 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
46 	return NULL;
47 }
48 #endif
49 
50 #endif
51