max6900.h

MAX6900是MAXIAM公司出品的实时时钟芯片

#ifndef RTC6901_H
#define	RTC6900_H
/*
 *  linux/drivers/i2c/chips/rtc6900.h
 *
 *  Copyright (C) 2006  Apple zeng
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
struct rtc_tm {
	unsigned char	secs;
	unsigned char	mins;
	unsigned char	hours;
	unsigned char	mday;
	unsigned char	mon;
	unsigned char	wday;
	unsigned char	year;
	unsigned char 	cent;
	unsigned char	rtc_busrt[9];
};


#define RTC_GETDATETIME	0
#define RTC_SETTIME	1
#define RTC_SETDATETIME	2
#define RTC_GETCTRL	3
#define RTC_SETCTRL	4
#define MEM_READ	5
#define MEM_WRITE	6

#define RTC6900_REG_SEC			0x80
#define RTC6900_REG_MIN			0x82
#define RTC6900_REG_HR			0x84
#define RTC6900_REG_MDAY		0x86
#define RTC6900_REG_MON			0x88
#define RTC6900_REG_WDAY		0x8A
#define RTC6900_REG_YEAR		0x8C
#define RTC6900_REG_CTRL		0x8E
#define RTC6900_REG_CENT		0x92
#define RTC6900_REG_CLK_BURST		0xBE 

#define RTC6900_REG_SEC1		0x81
#define RTC6900_REG_MIN1		0x83
#define RTC6900_REG_HR1			0x85
#define RTC6900_REG_MDAY1		0x87
#define RTC6900_REG_MON1		0x89
#define RTC6900_REG_WDAY1		0x8B
#define RTC6900_REG_YEAR1		0x8D
#define RTC6900_REG_CTRL1		0x8F
#define RTC6900_REG_CENT1		0x93
#define RTC6900_REG_CLK_BURST1		0xBF 

#define I2C_RTC_RTC6900 		0xA0
#endif