Cregit: Linux 6.17: mc146818rtc.h

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Linus Torvalds (pre-git)	71	75.53%	3	42.86%
Andrew Morton	15	15.96%	1	14.29%
Ralf Baechle	7	7.45%	2	28.57%
Paul Burton	1	1.06%	1	14.29%
Total	94		7

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
 *
 * RTC routines for PC style attached Dallas chip.
 */
#ifndef __ASM_MACH_GENERIC_MC146818RTC_H
#define __ASM_MACH_GENERIC_MC146818RTC_H

#include <asm/io.h>

#define RTC_PORT(x)	(0x70 + (x))
#define RTC_IRQ		8

static inline unsigned char CMOS_READ(unsigned long addr)
{
	outb_p(addr, RTC_PORT(0));
	return inb_p(RTC_PORT(1));
}

static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
{
	outb_p(addr, RTC_PORT(0));
	outb_p(data, RTC_PORT(1));
}

#define RTC_ALWAYS_BCD	0

#endif /* __ASM_MACH_GENERIC_MC146818RTC_H */