linux/drivers/i2c/chips/rtc8564.h

79 lines
2.3 KiB
C

/*
* linux/drivers/i2c/chips/rtc8564.h
*
* Copyright (C) 2002-2004 Stefan Eletzhofer
*
* based on linux/drivers/acron/char/pcf8583.h
* Copyright (C) 2000 Russell King
*
* 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 short year; /* xxxx 4 digits :) */
unsigned char wday;
unsigned char vl;
};
struct mem {
unsigned int loc;
unsigned int nr;
unsigned char *data;
};
#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 RTC8564_REG_CTRL1 0x0 /* T 0 S 0 | T 0 0 0 */
#define RTC8564_REG_CTRL2 0x1 /* 0 0 0 TI/TP | AF TF AIE TIE */
#define RTC8564_REG_SEC 0x2 /* VL 4 2 1 | 8 4 2 1 */
#define RTC8564_REG_MIN 0x3 /* x 4 2 1 | 8 4 2 1 */
#define RTC8564_REG_HR 0x4 /* x x 2 1 | 8 4 2 1 */
#define RTC8564_REG_DAY 0x5 /* x x 2 1 | 8 4 2 1 */
#define RTC8564_REG_WDAY 0x6 /* x x x x | x 4 2 1 */
#define RTC8564_REG_MON_CENT 0x7 /* C x x 1 | 8 4 2 1 */
#define RTC8564_REG_YEAR 0x8 /* 8 4 2 1 | 8 4 2 1 */
#define RTC8564_REG_AL_MIN 0x9 /* AE 4 2 1 | 8 4 2 1 */
#define RTC8564_REG_AL_HR 0xa /* AE 4 2 1 | 8 4 2 1 */
#define RTC8564_REG_AL_DAY 0xb /* AE x 2 1 | 8 4 2 1 */
#define RTC8564_REG_AL_WDAY 0xc /* AE x x x | x 4 2 1 */
#define RTC8564_REG_CLKOUT 0xd /* FE x x x | x x FD1 FD0 */
#define RTC8564_REG_TCTL 0xe /* TE x x x | x x FD1 FD0 */
#define RTC8564_REG_TIMER 0xf /* 8 bit binary */
/* Control reg */
#define RTC8564_CTRL1_TEST1 (1<<3)
#define RTC8564_CTRL1_STOP (1<<5)
#define RTC8564_CTRL1_TEST2 (1<<7)
#define RTC8564_CTRL2_TIE (1<<0)
#define RTC8564_CTRL2_AIE (1<<1)
#define RTC8564_CTRL2_TF (1<<2)
#define RTC8564_CTRL2_AF (1<<3)
#define RTC8564_CTRL2_TI_TP (1<<4)
/* CLKOUT frequencies */
#define RTC8564_FD_32768HZ (0x0)
#define RTC8564_FD_1024HZ (0x1)
#define RTC8564_FD_32 (0x2)
#define RTC8564_FD_1HZ (0x3)
/* Timer CTRL */
#define RTC8564_TD_4096HZ (0x0)
#define RTC8564_TD_64HZ (0x1)
#define RTC8564_TD_1HZ (0x2)
#define RTC8564_TD_1_60HZ (0x3)
#define I2C_DRIVERID_RTC8564 0xf000