1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Machine dependent access functions for RTC registers. 4 */ 5#ifndef _ASM_MC146818RTC_H 6#define _ASM_MC146818RTC_H 7 8 9#ifdef CONFIG_ATARI 10/* RTC in Atari machines */ 11 12#include <asm/atarihw.h> 13 14#define ATARI_RTC_PORT(x) (TT_RTC_BAS + 2*(x)) 15#define RTC_ALWAYS_BCD 0 16 17#define CMOS_READ(addr) ({ \ 18atari_outb_p((addr), ATARI_RTC_PORT(0)); \ 19atari_inb_p(ATARI_RTC_PORT(1)); \ 20}) 21#define CMOS_WRITE(val, addr) ({ \ 22atari_outb_p((addr), ATARI_RTC_PORT(0)); \ 23atari_outb_p((val), ATARI_RTC_PORT(1)); \ 24}) 25#endif /* CONFIG_ATARI */ 26 27#endif /* _ASM_MC146818RTC_H */ 28