/* $NetBSD: ds1687reg.h,v 1.1 2002/02/10 12:26:01 chris Exp $ */
/*
* Copyright (c) 1998 Mark Brinicombe.
* Copyright (c) 1998 Causality Limited.
* All rights reserved.
*
* Written by Mark Brinicombe, Causality Limited
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe
* for the NetBSD Project.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY CAUASLITY LIMITED ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL CAUSALITY LIMITED OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define RTC_ADDR 0x72
#define RTC_ADDR_REG 0x00
#define RTC_DATA_REG 0x01
#define RTC_SECONDS 0x00
#define RTC_SECONDS_ALARM 0x01
#define RTC_MINUTES 0x02
#define RTC_MINUTES_ALARM 0x03
#define RTC_HOURS 0x04
#define RTC_HOURS_ALARM 0x05
#define RTC_DAYOFWEEK 0x06
#define RTC_DAYOFMONTH 0x07
#define RTC_MONTH 0x08
#define RTC_YEAR 0x09
#define RTC_REG_A 0x0a
#define RTC_REG_A_UIP 0x80 /* Update In Progress */
#define RTC_REG_A_DV2 0x40 /* Countdown CHain */
#define RTC_REG_A_DV1 0x20 /* Oscillator Enable */
#define RTC_REG_A_DV0 0x10 /* Bank Select */
#define RTC_REG_A_BANK_MASK RTC_REG_A_DV0
#define RTC_REG_A_BANK1 RTC_REG_A_DV0
#define RTC_REG_A_BANK0 0x00
#define RTC_REG_A_RS_MASK 0x0f /* Rate select mask */
#define RTC_REG_A_RS_NONE 0x00
#define RTC_REG_A_RS_256HZ_1 0x01
#define RTC_REG_A_RS_128HZ_1 0x02
#define RTC_REG_A_RS_8192HZ 0x03
#define RTC_REG_A_RS_4096HZ 0x04
#define RTC_REG_A_RS_2048HZ 0x05
#define RTC_REG_A_RS_1024HZ 0x06
#define RTC_REG_A_RS_512HZ 0x07
#define RTC_REG_A_RS_256HZ 0x08
#define RTC_REG_A_RS_128HZ 0x09
#define RTC_REG_A_RS_64HZ 0x0A
#define RTC_REG_A_RS_32HZ 0x0B
#define RTC_REG_A_RS_16HZ 0x0C
#define RTC_REG_A_RS_8HZ 0x0D
#define RTC_REG_A_RS_4HZ 0x0E
#define RTC_REG_A_RS_2HZ 0x0F
#define RTC_REG_B 0x0b
#define RTC_REG_B_SET 0x80 /* Inhibit update */
#define RTC_REG_B_PIE 0x40 /* Periodic Interrupt Enable */
#define RTC_REG_B_AIE 0x20 /* Alarm Interrupt Enable */
#define RTC_REG_B_UIE 0x10 /* Updated Ended Interrupt Enable */
#define RTC_REG_B_SQWE 0x08 /* Square Wave Enable */
#define RTC_REG_B_DM 0x04 /* Data Mode */
#define RTC_REG_B_BINARY RTC_REG_B_DM
#define RTC_REG_B_BCD 0
#define RTC_REG_B_24_12 0x02 /* Hour format */
#define RTC_REG_B_24_HOUR RTC_REG_B_24_12
#define RTC_REG_B_12_HOUR 0
#define RTC_REG_B_DSE 0x01 /* Daylight Savings Enable */
#define RTC_REG_C 0x0c
#define RTC_REG_C_IRQF 0x80 /* Interrupt Request Flag */
#define RTC_REG_C_PF 0x40 /* Periodic Interrupt Flag */
#define RTC_REG_C_AF 0x20 /* Alarm Interrupt Flag */
#define RTC_REG_C_UF 0x10 /* Update Ended Flags */
#define RTC_REG_D 0x0d
#define RTC_REG_D_VRT 0x80 /* Valid RAM and Time */
#define RTC_PC_RAM_START 0x0e
#define RTC_PC_RAM_SIZE 50
#define RTC_BANK0_RAM_START 0x40
#define RTC_BANK0_RAM_SIZE 0x40
#define RTC_MODEL 0x40
#define RTC_SERIAL_1 0x41
#define RTC_SERIAL_2 0x42
#define RTC_SERIAL_3 0x43
#define RTC_SERIAL_4 0x44
#define RTC_SERIAL_5 0x45
#define RTC_SERIAL_6 0x46
#define RTC_CRC 0x47
#define RTC_CENTURY 0x48
#define RTC_DATE_ALARM 0x49
#define RTC_REG_4A 0x4a
#define RTC_REG_4A_VRT2 0x80
#define RTC_REG_4A_INCR 0x40
#define RTC_REG_4A_PAB 0x08
#define RTC_REG_4A_RF 0x04
#define RTC_REG_4B 0x4b
#define RTC_EXT_RAM_ADDRESS 0x50
#define RTC_EXT_RAM_DATA 0x53
#define RTC_EXT_RAM_START 0x00
#define RTC_EXT_RAM_SIZE 0x80