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Oliver Endriss2f27bdc2006-02-28 09:31:16 -03001/*
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
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030030#include <linux/kconfig.h>
31
Andrew de Quinceyd0205422006-04-27 21:45:01 -030032/* system register bits */
Igor M. Liplianin8c1a2332009-03-03 11:24:18 -030033/* [RO] 0=OK; 1=over current limit flag */
34#define LNBP21_OLF 0x01
35/* [RO] 0=OK; 1=over temperature flag (150 C) */
36#define LNBP21_OTF 0x02
37/* [RW] 0=disable LNB power, enable loopthrough
38 1=enable LNB power, disable loopthrough */
39#define LNBP21_EN 0x04
40/* [RW] 0=low voltage (13/14V, vert pol)
41 1=high voltage (18/19V,horiz pol) */
42#define LNBP21_VSEL 0x08
43/* [RW] increase LNB voltage by 1V:
44 0=13/18V; 1=14/19V */
45#define LNBP21_LLC 0x10
46/* [RW] 0=tone controlled by DSQIN pin
47 1=tone enable, disable DSQIN */
48#define LNBP21_TEN 0x20
49/* [RW] current limit select:
50 0:Iout=500-650mA Isc=300mA
51 1:Iout=400-550mA Isc=200mA */
52#define LNBP21_ISEL 0x40
53/* [RW] short-circuit protect:
54 0=pulsed (dynamic) curr limiting
55 1=static curr limiting */
56#define LNBP21_PCL 0x80
Oliver Endriss2f27bdc2006-02-28 09:31:16 -030057
Andrew de Quinceyd0205422006-04-27 21:45:01 -030058#include <linux/dvb/frontend.h>
Oliver Endriss2f27bdc2006-02-28 09:31:16 -030059
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030060#if IS_ENABLED(CONFIG_DVB_LNBP21)
Igor M. Liplianin8c1a2332009-03-03 11:24:18 -030061/* override_set and override_clear control which
62 system register bits (above) to always set & clear */
63extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
64 struct i2c_adapter *i2c, u8 override_set,
65 u8 override_clear);
Andrew de Quincey102a3422006-08-08 09:10:08 -030066#else
Igor M. Liplianin8c1a2332009-03-03 11:24:18 -030067static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
68 struct i2c_adapter *i2c, u8 override_set,
69 u8 override_clear)
Andrew de Quincey102a3422006-08-08 09:10:08 -030070{
Harvey Harrison271ddbf2008-04-08 23:20:00 -030071 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
Andrew de Quincey102a3422006-08-08 09:10:08 -030072 return NULL;
73}
Igor M. Liplianin8c1a2332009-03-03 11:24:18 -030074#endif
Oliver Endriss2f27bdc2006-02-28 09:31:16 -030075
Igor M. Liplianin8c1a2332009-03-03 11:24:18 -030076#endif