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/*
 *  Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
 */
#ifndef _ASM_M48T35_H
#define _ASM_M48T35_H
 
#include <linux/spinlock.h>
 
extern spinlock_t rtc_lock;
 
struct m48t35_rtc {
	volatile u8	pad[0x7ff8];    /* starts at 0x7ff8 */
	volatile u8	control;
	volatile u8	sec;
	volatile u8	min;
	volatile u8	hour;
	volatile u8	day;
	volatile u8	date;
	volatile u8	month;
	volatile u8	year;
};
 
#define M48T35_RTC_SET		0x80
#define M48T35_RTC_STOPPED	0x80
#define M48T35_RTC_READ		0x40
 
#define BCD_TO_BIN(x)		((x)=((x)&15) + ((x)>>4)*10)
#define BIN_TO_BCD(x)		((x)=(((x)/10)<<4) + (x)%10)
 
#endif /* _ASM_M48T35_H */