90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/* $NetBSD: pcf8583reg.h,v 1.1 2003/09/30 00:35:31 thorpej Exp $ */
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/*
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* Ben Harris, 2000
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*
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* This file is in the public domain
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*/
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/*
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* Philips PCF8583 RTC registers
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*/
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/* We only have clock mode registers here */
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#ifndef _PCF8583REG_H
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#define _PCF8583REG_H
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/*
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* PCF8583 RTC I2C address:
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*
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* 101 0000
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*/
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#define PCF8583_ADDRMASK 0x7f
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#define PCF8583_ADDR 0x50
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#define PCF8583_REG_CSR 0x00
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#define PCF8583_REG_CENTI 0x01
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#define PCF8583_REG_SEC 0x02
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#define PCF8583_REG_MIN 0x03
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#define PCF8583_REG_HOUR 0x04
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#define PCF8583_REG_YEARDATE 0x05
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#define PCF8583_REG_WKDYMON 0x06
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#define PCF8583_REG_TIMER 0x07
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#define PCF8583_REG_ALMCTL 0x08
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#define PCF8583_REG_ALMCENTI 0x09
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#define PCF8583_REG_ALMSEC 0x0a
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#define PCF8583_REG_ALMMIN 0x0b
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#define PCF8583_REG_ALMHOUR 0x0c
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#define PCF8583_REG_ALMDAY 0x0d
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#define PCF8583_REG_ALMMON 0x0e
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#define PCF8583_REG_ALMTIMER 0x0f
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#define PCF8583_NVRAM_START 0x10
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#define PCF8583_NVRAM_SIZE 240
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#define PCF8583_CSR_TIMER 0x01
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#define PCF8583_CSR_SECTICK 0x01
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#define PCF8583_CSR_ALARM 0x02
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#define PCF8583_CSR_MINTICK 0x02
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#define PCF8583_CSR_ALARMENABLE 0x04
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#define PCF8583_CSR_MASK 0x08
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#define PCF8583_CSR_FN_MASK 0x30
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#define PCF8583_CSR_FN_32768HZ 0x00
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#define PCF8583_CSR_FN_50HZ 0x10
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#define PCF8583_CSR_FN_EVENT 0x20
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#define PCF8583_CSR_FN_TEST 0x30
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#define PCF8583_CSR_HOLD 0x40
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#define PCF8583_CSR_STOP 0x80
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#define PCF8583_HOUR_MASK 0x3f
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#define PCF8583_HOUR_PM 0x40
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#define PCF8583_HOUR_12H 0x80
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#define PCF8583_DATE_MASK 0x3f
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#define PCF8583_YEAR_MASK 0xc0
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#define PCF8583_YEAR_SHIFT 6
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#define PCF8583_MON_MASK 0x1f
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#define PCF8583_WKDY_MASK 0xe0
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#define PCF8583_WKDY_SHIFT 5
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#define PCF8583_ALMCTL_TIMER_MASK 0x07
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#define PCF8583_ALMCTL_TIMER_OFF 0x00
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#define PCF8583_ALMCTL_TIMER_CENTI 0x01
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#define PCF8583_ALMCTL_TIMER_SEC 0x02
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#define PCF8583_ALMCTL_TIMER_MIN 0x03
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#define PCF8583_ALMCTL_TIMER_HOUR 0x04
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#define PCF8583_ALMCTL_TIMER_DAY 0x05
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#define PCF8583_ALMCTL_TIMER_TEST 0x07
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#define PCF8583_ALMCTL_TIMERINT 0x08
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#define PCF8583_ALMCTL_CLKALM_MASK 0x30
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#define PCF8583_ALMCTL_CLKALM_NONE 0x00
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#define PCF8583_ALMCTL_CLKALM_DAILY 0x10
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#define PCF8583_ALMCTL_CLKALM_WKDY 0x20
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#define PCF8583_ALMCTL_CLKALM_DATED 0x30
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#define PCF8583_ALMCTL_TIMERALM 0x40
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#define PCF8583_ALMCTL_ALMINT 0x80
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#endif /* _PCF8583REG_H */
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