79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* linux/drivers/i2c/chips/rtc8564.h
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*
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* Copyright (C) 2002-2004 Stefan Eletzhofer
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*
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* based on linux/drivers/acron/char/pcf8583.h
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* Copyright (C) 2000 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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struct rtc_tm {
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unsigned char secs;
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unsigned char mins;
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unsigned char hours;
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unsigned char mday;
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unsigned char mon;
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unsigned short year; /* xxxx 4 digits :) */
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unsigned char wday;
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unsigned char vl;
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};
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struct mem {
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unsigned int loc;
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unsigned int nr;
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unsigned char *data;
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};
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#define RTC_GETDATETIME 0
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#define RTC_SETTIME 1
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#define RTC_SETDATETIME 2
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#define RTC_GETCTRL 3
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#define RTC_SETCTRL 4
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#define MEM_READ 5
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#define MEM_WRITE 6
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#define RTC8564_REG_CTRL1 0x0 /* T 0 S 0 | T 0 0 0 */
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#define RTC8564_REG_CTRL2 0x1 /* 0 0 0 TI/TP | AF TF AIE TIE */
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#define RTC8564_REG_SEC 0x2 /* VL 4 2 1 | 8 4 2 1 */
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#define RTC8564_REG_MIN 0x3 /* x 4 2 1 | 8 4 2 1 */
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#define RTC8564_REG_HR 0x4 /* x x 2 1 | 8 4 2 1 */
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#define RTC8564_REG_DAY 0x5 /* x x 2 1 | 8 4 2 1 */
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#define RTC8564_REG_WDAY 0x6 /* x x x x | x 4 2 1 */
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#define RTC8564_REG_MON_CENT 0x7 /* C x x 1 | 8 4 2 1 */
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#define RTC8564_REG_YEAR 0x8 /* 8 4 2 1 | 8 4 2 1 */
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#define RTC8564_REG_AL_MIN 0x9 /* AE 4 2 1 | 8 4 2 1 */
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#define RTC8564_REG_AL_HR 0xa /* AE 4 2 1 | 8 4 2 1 */
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#define RTC8564_REG_AL_DAY 0xb /* AE x 2 1 | 8 4 2 1 */
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#define RTC8564_REG_AL_WDAY 0xc /* AE x x x | x 4 2 1 */
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#define RTC8564_REG_CLKOUT 0xd /* FE x x x | x x FD1 FD0 */
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#define RTC8564_REG_TCTL 0xe /* TE x x x | x x FD1 FD0 */
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#define RTC8564_REG_TIMER 0xf /* 8 bit binary */
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/* Control reg */
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#define RTC8564_CTRL1_TEST1 (1<<3)
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#define RTC8564_CTRL1_STOP (1<<5)
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#define RTC8564_CTRL1_TEST2 (1<<7)
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#define RTC8564_CTRL2_TIE (1<<0)
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#define RTC8564_CTRL2_AIE (1<<1)
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#define RTC8564_CTRL2_TF (1<<2)
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#define RTC8564_CTRL2_AF (1<<3)
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#define RTC8564_CTRL2_TI_TP (1<<4)
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/* CLKOUT frequencies */
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#define RTC8564_FD_32768HZ (0x0)
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#define RTC8564_FD_1024HZ (0x1)
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#define RTC8564_FD_32 (0x2)
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#define RTC8564_FD_1HZ (0x3)
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/* Timer CTRL */
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#define RTC8564_TD_4096HZ (0x0)
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#define RTC8564_TD_64HZ (0x1)
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#define RTC8564_TD_1HZ (0x2)
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#define RTC8564_TD_1_60HZ (0x3)
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#define I2C_DRIVERID_RTC8564 0xf000
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