[mirror_ubuntu-bionic-kernel.git] / arch / m32r / include / asm / mc146818rtc.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Machine dependent access functions for RTC registers.
 */
#ifndef _ASM_MC146818RTC_H
#define _ASM_MC146818RTC_H

#include <asm/io.h>

#ifndef RTC_PORT
#define RTC_PORT(x)	((x))
#define RTC_ALWAYS_BCD	1	/* RTC operates in binary mode */
#endif

/*
 * The yet supported machines all access the RTC index register via
 * an ISA port access but the way to access the date register differs ...
 */
#define CMOS_READ(addr) ({ \
outb_p((addr),RTC_PORT(0)); \
inb_p(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb_p((addr),RTC_PORT(0)); \
outb_p((val),RTC_PORT(1)); \
})

#define RTC_IRQ 8

#endif /* _ASM_MC146818RTC_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	/*
	3	* Machine dependent access functions for RTC registers.
	4	*/
	5	#ifndef _ASM_MC146818RTC_H
	6	#define _ASM_MC146818RTC_H
	7
	8	#include <asm/io.h>
	9
	10	#ifndef RTC_PORT
1da177e4 LT	11	#define RTC_PORT(x) ((x))
	12	#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
	13	#endif
	14
	15	/*
	16	* The yet supported machines all access the RTC index register via
	17	* an ISA port access but the way to access the date register differs ...
	18	*/
	19	#define CMOS_READ(addr) ({ \
	20	outb_p((addr),RTC_PORT(0)); \
	21	inb_p(RTC_PORT(1)); \
	22	})
	23	#define CMOS_WRITE(val, addr) ({ \
	24	outb_p((addr),RTC_PORT(0)); \
	25	outb_p((val),RTC_PORT(1)); \
	26	})
	27
	28	#define RTC_IRQ 8
1da177e4 LT	29
1da177e4 LT	30	#endif /* _ASM_MC146818RTC_H */