NetBSD/sys/arch/arm32/include/rtc.h
1996-03-14 23:10:59 +00:00

77 lines
2.5 KiB
C

/* $NetBSD: rtc.h,v 1.2 1996/03/14 23:11:43 mark Exp $ */
/*
* Copyright (c) 1994 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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 Brini.
* 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 BRINI ``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 BRINI 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.
*
* RiscBSD kernel project
*
* rtc.h
*
* Header file for RTC / CMOS stuff
*
* Created : 13/10/94
*
* Based of kate/display/iiccontrol.c
*/
/* IIC addresses for RTC chip */
#define RTC_Write 160
#define RTC_Read 161
typedef struct {
u_char rtc_micro;
u_char rtc_centi;
u_char rtc_sec;
u_char rtc_min;
u_char rtc_hour;
u_char rtc_day;
u_char rtc_mon;
u_char rtc_year;
u_char rtc_cen;
} rtc_t;
#define RTC_ADDR_BOOTOPTS 0x90
#define RTC_ADDR_REBOOTCNT 0x91
#define RTC_ADDR_YEAR 0xc0
#define RTC_ADDR_CENT 0xc1
int iic_control __P((u_char, u_char *, int));
int cmos_read __P((int));
int cmos_write __P((int, int));
int rtc_read __P((rtc_t *));
int rtc_write __P((rtc_t *));
/* End of rtc.h */