https://github.com/torvalds/linux
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Tip revision: 4495c08e84729385774601b5146d51d9e5849f81 authored by Linus Torvalds on 12 March 2017, 21:47:08 UTC
Linux 4.11-rc2
Tip revision: 4495c08
mc146818rtc.h
/*
 * Machine dependent access functions for RTC registers.
 */
#ifndef _ASM_MC146818RTC_H
#define _ASM_MC146818RTC_H


#ifdef CONFIG_ATARI
/* RTC in Atari machines */

#include <asm/atarihw.h>

#define ATARI_RTC_PORT(x)	(TT_RTC_BAS + 2*(x))
#define RTC_ALWAYS_BCD	0

#define CMOS_READ(addr) ({ \
atari_outb_p((addr), ATARI_RTC_PORT(0)); \
atari_inb_p(ATARI_RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
atari_outb_p((addr), ATARI_RTC_PORT(0)); \
atari_outb_p((val), ATARI_RTC_PORT(1)); \
})
#endif /* CONFIG_ATARI */

#endif /* _ASM_MC146818RTC_H */
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