1/*
2 * lnbp21.h - driver for lnb supply and control ic lnbp21
3 *
4 * Copyright (C) 2006 Oliver Endriss
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
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 * GNU General Public License for more details.
16 *
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
22 *
23 *
24 * the project's page is at http://www.linuxtv.org
25 */
26
27#ifndef _LNBP21_H
28#define _LNBP21_H
29
30/* system register bits */
31#define LNBP21_OLF	0x01
32#define LNBP21_OTF	0x02
33#define LNBP21_EN	0x04
34#define LNBP21_VSEL	0x08
35#define LNBP21_LLC	0x10
36#define LNBP21_TEN	0x20
37#define LNBP21_ISEL	0x40
38#define LNBP21_PCL	0x80
39
40#include <linux/dvb/frontend.h>
41
42#if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) && \
43	defined(MODULE))
44/* override_set and override_clear control which system register bits (above) to always set & clear */
45extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
46#else
47static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
48{
49	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
50	return NULL;
51}
52#endif // CONFIG_DVB_LNBP21
53
54#endif // _LNBP21_H
55