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) && defined(MODULE))
43 /* override_set and override_clear control which system register bits (above) to always set & clear */
44 extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
45 #else
lnbp21_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,u8 override_set,u8 override_clear)46 static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
47 {
48 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
49 return NULL;
50 }
51 #endif // CONFIG_DVB_LNBP21
52
53 #endif // _LNBP21_H
54