Linux Kernel  3.7.1
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lnbh24.h
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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 <[email protected]>
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  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22 
23 #ifndef _LNBH24_H
24 #define _LNBH24_H
25 
26 /* system register bits */
27 #define LNBH24_OLF 0x01
28 #define LNBH24_OTF 0x02
29 #define LNBH24_EN 0x04
30 #define LNBH24_VSEL 0x08
31 #define LNBH24_LLC 0x10
32 #define LNBH24_TEN 0x20
33 #define LNBH24_TTX 0x40
34 #define LNBH24_PCL 0x80
35 
36 #include <linux/dvb/frontend.h>
37 
38 #if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) \
39  && defined(MODULE))
40 /* override_set and override_clear control which
41  system register bits (above) to always set & clear */
42 extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
43  struct i2c_adapter *i2c, u8 override_set,
44  u8 override_clear, u8 i2c_addr);
45 #else
46 static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
47  struct i2c_adapter *i2c, u8 override_set,
48  u8 override_clear, u8 i2c_addr)
49 {
50  printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
51  return NULL;
52 }
53 #endif
54 
55 #endif