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Viewing changes to arch/mips/include/asm/mach-loongson/mc146818rtc.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/mips/include/asm/mach-loongson/mc146818rtc.h
 
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/*
 
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 * This file is subject to the terms and conditions of the GNU General Public
 
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 * License.  See the file "COPYING" in the main directory of this archive
 
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 * for more details.
 
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 *
 
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 * Copyright (C) 1998, 2001, 03, 07 by Ralf Baechle (ralf@linux-mips.org)
 
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 *
 
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 * RTC routines for PC style attached Dallas chip.
 
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 */
 
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#ifndef __ASM_MACH_LOONGSON_MC146818RTC_H
 
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#define __ASM_MACH_LOONGSON_MC146818RTC_H
 
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#include <linux/io.h>
 
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#define RTC_PORT(x)     (0x70 + (x))
 
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#define RTC_IRQ         8
 
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static inline unsigned char CMOS_READ(unsigned long addr)
 
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{
 
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        outb_p(addr, RTC_PORT(0));
 
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        return inb_p(RTC_PORT(1));
 
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}
 
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static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
 
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{
 
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        outb_p(addr, RTC_PORT(0));
 
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        outb_p(data, RTC_PORT(1));
 
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}
 
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#define RTC_ALWAYS_BCD  0
 
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#ifndef mc146818_decode_year
 
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#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)
 
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#endif
 
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#endif /* __ASM_MACH_LOONGSON_MC146818RTC_H */