/* $NetBSD: rtclock_var.h,v 1.12 2021/08/21 09:59:46 andvar Exp $ */

/* $NetBSD: rtclock_var.h,v 1.12 2021/08/21 09:59:46 andvar Exp $ */

/*
* Copyright 1993, 1994 Masaru Oki
* All rights reserved.
*
* 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 Masaru Oki.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*/

/*
* Should be split to _reg.h and _var.h
*/

#ifndef _RTCLOCKVAR_H_
#define _RTCLOCKVAR_H_

struct rtc_softc {
bus_space_tag_t sc_bst;
bus_space_handle_t sc_bht;
struct todr_chip_handle sc_todr;
};

/*
* commands written to mode, HOLD before reading the clock,
* FREE after done reading.
*/

#define RTC_HOLD_CLOCK 0
#define RTC_FREE_CLOCK 8

#define RTC_REG(x) (bus_space_read_1(rtc->sc_bst, rtc->sc_bht, (x)) & 0x0f)
#define RTC_WRITE(x,v) bus_space_write_1(rtc->sc_bst, rtc->sc_bht, (x), (v))

#define RTC_ADDR 0xe8a000

/* RTC register bank 0 */
#define RTC_SEC 0x01
#define RTC_SEC10 0x03
#define RTC_MIN 0x05
#define RTC_MIN10 0x07
#define RTC_HOUR 0x09
#define RTC_HOUR10 0x0b
#define RTC_WEEK 0x0d
#define RTC_DAY 0x0f
#define RTC_DAY10 0x11
#define RTC_MON 0x13
#define RTC_MON10 0x15
#define RTC_YEAR 0x17
#define RTC_YEAR10 0x19
#define RTC_MODE 0x1b
#define RTC_TEST 0x1d
#define RTC_RESET 0x1f

/* RTC register bank 1 */
#define RTC_CLKOUT 0x01
#define RTC_ADJUST 0x03
#define RTC_AL_MIN 0x05
#define RTC_AL_MIN10 0x07
#define RTC_AL_HOUR 0x09
#define RTC_AL_HOUR10 0x0b
#define RTC_AL_WEEK 0x0d
#define RTC_AL_DAY 0x0f
#define RTC_AL_DAY10 0x11
#define RTC_UNUSED1 0x13
#define RTC_AMPM 0x15
#define RTC_LEAP 0x17
#define RTC_UNUSED2 0x19

#define RTC_BASE_YEAR 1980

#endif /* _RTCLOCKVAR_H_ */