V4L/DVB (10800): Add support for ST LNBH24 LNB power controller.
[deliverable/linux.git] / drivers / media / dvb / frontends / 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 <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 * 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 */
42extern 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
46static 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
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