NetBSD/sys/dev/i2c/pcf8583reg.h

90 lines
2.3 KiB
C

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