blob: 11442095a8cf408129286d992df4815b7b43bcfd [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Machine dependent access functions for RTC registers.
3 */
4#ifndef _ASM_MC146818RTC_H
5#define _ASM_MC146818RTC_H
6
7#include <linux/config.h>
8
9#ifdef CONFIG_ATARI
10/* RTC in Atari machines */
11
12#include <asm/atarihw.h>
13
14#define RTC_PORT(x) (TT_RTC_BAS + 2*(x))
15
16#define CMOS_READ(addr) ({ \
17atari_outb_p((addr),RTC_PORT(0)); \
18atari_inb_p(RTC_PORT(1)); \
19})
20#define CMOS_WRITE(val, addr) ({ \
21atari_outb_p((addr),RTC_PORT(0)); \
22atari_outb_p((val),RTC_PORT(1)); \
23})
24#endif /* CONFIG_ATARI */
25
26#endif /* _ASM_MC146818RTC_H */