/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _TODBQ4802_H
#define _TODBQ4802_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

#ifdef  __cplusplus
extern "C" {
#endif

extern  char    *v_rtc_addr_reg;

#ifdef  DEBUG
#include <sys/promif.h>
#define DPRINTF if (bq4802_debug_flags) prom_printf
#else
#define DPRINTF
#endif  /* DEBUG */

#define BQ4802_DATA_REG(x)      (*(volatile uint8_t *)(v_rtc_addr_reg + x))

/*
 * Definitions for Real Time Clock driver (TI BQ4802 chip).
 */
#define RTC_SEC         0x0     /* Seconds */
#define RTC_ASEC        0x1     /* Seconds Alarm */
#define RTC_MIN         0x2     /* Minutes */
#define RTC_AMIN        0x3     /* Minutes Alarm */
#define RTC_HRS         0x4     /* Hours */
#define RTC_AHRS        0x5     /* Hours Alarm */
#define RTC_DOM         0x6     /* Day-of-Month */
#define RTC_ADOM        0x7     /* Day-of-Month Alarm */
#define RTC_DOW         0x8     /* Day-of-Week */
#define RTC_MON         0x9     /* Month */
#define RTC_YEAR        0xa     /* Year */
#define RTC_CENTURY     0xf     /* Century */

#define RTC_RATES       0xb     /* Control Register B */
#define RTC_ENABLES     0xc     /* Control Register C */
#define RTC_FLAGS       0xd     /* Control Register D */
#define RTC_CNTRL       0xe     /* Control Register E */

/*
 * Control register B definitions
 */
#define RTC_RS          0x0f    /* Rate select for periodic interrupt */
#define RTC_WD          0x70    /* Watchdog time-out rate */

/*
 * Control register C definitions
 */
#define RTC_ABE         0x01    /* Alarm Int. Enable in Battery-backup Mode */
#define RTC_PWRIE       0x02    /* Power-fail Interrupt Enable */
#define RTC_PIE         0x04    /* Periodic Interrupt Enable */
#define RTC_AIE         0x08    /* Alarm Interrupt Enable */

/*
 * Control Register D definitions
 */
#define RTC_BVF         0x01    /* Battery-valid flag */
#define RTC_PWRF        0x02    /* Power-fail Interrupt flag */
#define RTC_PF          0x04    /* Periodic Interrupt flag */
#define RTC_AF          0x08    /* Alarm Interrupt flag */

/*
 * Control Register E definitions
 */
#define RTC_DSE         0x01    /* Daylight Savings Enable */
#define RTC_HM          0x02    /* Hour mode, 1 = 24 hour, 0 = 12 hour */
#define RTC_STOP_N      0x04    /* Oscillator Stop and Start */
#define RTC_UTI         0x08    /* Update Transfer Inhibit */

struct  rtc_t {
        uint8_t rtc_sec;        /* seconds */
        uint8_t rtc_asec;       /* alarm seconds */
        uint8_t rtc_min;        /* mins */
        uint8_t rtc_amin;       /* alarm mins */
        uint8_t rtc_hrs;        /* hours */
        uint8_t rtc_ahrs;       /* alarm hours */
        uint8_t rtc_dom;        /* day of the month */
        uint8_t rtc_adom;       /* alarm day of the month */
        uint8_t rtc_dow;        /* day of the week */
        uint8_t rtc_mon;        /* month */
        uint8_t rtc_year;       /* year */
        uint8_t rtc_rates;      /* rates */
        uint8_t rtc_enables;    /* enables */
        uint8_t rtc_flags;      /* flags */
        uint8_t rtc_control;    /* control */
        uint8_t rtc_century;    /* century */
};

#ifdef  __cplusplus
}
#endif

#endif  /* _TODBQ4802_H */