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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 */