mirror of https://gitee.com/openkylin/linux.git
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
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* lnbp21.h - driver for lnb supply and control ic lnbp21
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*
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* Copyright (C) 2006 Oliver Endriss
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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*
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* the project's page is at http://www.linuxtv.org
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*/
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#ifndef _LNBP21_H
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#define _LNBP21_H
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/* system register bits */
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#define LNBP21_OLF 0x01
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#define LNBP21_OTF 0x02
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#define LNBP21_EN 0x04
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#define LNBP21_VSEL 0x08
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#define LNBP21_LLC 0x10
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#define LNBP21_TEN 0x20
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#define LNBP21_ISEL 0x40
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#define LNBP21_PCL 0x80
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#include <linux/dvb/frontend.h>
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#if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) && defined(MODULE))
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/* override_set and override_clear control which system register bits (above) to always set & clear */
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extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
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#else
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static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
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return NULL;
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}
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#endif // CONFIG_DVB_LNBP21
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#endif // _LNBP21_H
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