[mirror_ubuntu-bionic-kernel.git] / arch / sparc / include / asm / mc146818rtc_64.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Machine dependent access functions for RTC registers.
 */
#ifndef __ASM_SPARC64_MC146818RTC_H
#define __ASM_SPARC64_MC146818RTC_H

#include <asm/io.h>

#ifndef RTC_PORT
extern unsigned long cmos_regs;
#define RTC_PORT(x)	(cmos_regs + (x))
#define RTC_ALWAYS_BCD	0
#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)); \
})

#endif /* __ASM_SPARC64_MC146818RTC_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
f5e706ad SR	2	/*
	3	* Machine dependent access functions for RTC registers.
	4	*/
	5	#ifndef __ASM_SPARC64_MC146818RTC_H
	6	#define __ASM_SPARC64_MC146818RTC_H
	7
	8	#include <asm/io.h>
	9
	10	#ifndef RTC_PORT
da86783d DM	11	extern unsigned long cmos_regs;
da86783d DM	12	#define RTC_PORT(x) (cmos_regs + (x))
f5e706ad SR	13	#define RTC_ALWAYS_BCD 0
	14	#endif
	15
	16	/*
	17	* The yet supported machines all access the RTC index register via
	18	* an ISA port access but the way to access the date register differs ...
	19	*/
	20	#define CMOS_READ(addr) ({ \
	21	outb_p((addr),RTC_PORT(0)); \
	22	inb_p(RTC_PORT(1)); \
	23	})
	24	#define CMOS_WRITE(val, addr) ({ \
	25	outb_p((addr),RTC_PORT(0)); \
	26	outb_p((val),RTC_PORT(1)); \
	27	})
	28
f5e706ad	29	#endif /* __ASM_SPARC64_MC146818RTC_H */