todbq4802.h revision 511:0beae2eaf6ee 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_TODBQ4802_H
28#define	_TODBQ4802_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36extern  char	*v_rtc_addr_reg;
37
38#ifdef	DEBUG
39#include <sys/promif.h>
40#define	DPRINTF if (bq4802_debug_flags) prom_printf
41#else
42#define	DPRINTF
43#endif	/* DEBUG */
44
45#define	BQ4802_DATA_REG(x)	(*(volatile uint8_t *)(v_rtc_addr_reg + x))
46
47/*
48 * Definitions for Real Time Clock driver (TI BQ4802 chip).
49 */
50#define	RTC_SEC		0x0	/* Seconds */
51#define	RTC_ASEC	0x1	/* Seconds Alarm */
52#define	RTC_MIN		0x2	/* Minutes */
53#define	RTC_AMIN	0x3	/* Minutes Alarm */
54#define	RTC_HRS		0x4	/* Hours */
55#define	RTC_AHRS	0x5	/* Hours Alarm */
56#define	RTC_DOM		0x6	/* Day-of-Month */
57#define	RTC_ADOM	0x7	/* Day-of-Month Alarm */
58#define	RTC_DOW		0x8	/* Day-of-Week */
59#define	RTC_MON		0x9	/* Month */
60#define	RTC_YEAR	0xa	/* Year */
61#define	RTC_CENTURY	0xf	/* Century */
62
63#define	RTC_RATES	0xb	/* Control Register B */
64#define	RTC_ENABLES	0xc	/* Control Register C */
65#define	RTC_FLAGS	0xd	/* Control Register D */
66#define	RTC_CNTRL	0xe	/* Control Register E */
67
68/*
69 * Control register B definitions
70 */
71#define	RTC_RS		0x0f	/* Rate select for periodic interrupt */
72#define	RTC_WD		0x70	/* Watchdog time-out rate */
73
74/*
75 * Control register C definitions
76 */
77#define	RTC_ABE		0x01	/* Alarm Int. Enable in Battery-backup Mode */
78#define	RTC_PWRIE	0x02	/* Power-fail Interrupt Enable */
79#define	RTC_PIE		0x04	/* Periodic Interrupt Enable */
80#define	RTC_AIE		0x08	/* Alarm Interrupt Enable */
81
82/*
83 * Control Register D definitions
84 */
85#define	RTC_BVF		0x01	/* Battery-valid flag */
86#define	RTC_PWRF	0x02	/* Power-fail Interrupt flag */
87#define	RTC_PF		0x04	/* Periodic Interrupt flag */
88#define	RTC_AF		0x08	/* Alarm Interrupt flag */
89
90/*
91 * Control Register E definitions
92 */
93#define	RTC_DSE		0x01	/* Daylight Savings Enable */
94#define	RTC_HM		0x02	/* Hour mode, 1 = 24 hour, 0 = 12 hour */
95#define	RTC_STOP_N	0x04	/* Oscillator Stop and Start */
96#define	RTC_UTI		0x08	/* Update Transfer Inhibit */
97
98struct	rtc_t {
99	uint8_t	rtc_sec;	/* seconds */
100	uint8_t	rtc_asec;	/* alarm seconds */
101	uint8_t	rtc_min;	/* mins */
102	uint8_t	rtc_amin;	/* alarm mins */
103	uint8_t	rtc_hrs;	/* hours */
104	uint8_t	rtc_ahrs;	/* alarm hours */
105	uint8_t	rtc_dom;	/* day of the month */
106	uint8_t	rtc_adom;	/* alarm day of the month */
107	uint8_t	rtc_dow;	/* day of the week */
108	uint8_t	rtc_mon;	/* month */
109	uint8_t	rtc_year;	/* year */
110	uint8_t	rtc_rates;	/* rates */
111	uint8_t	rtc_enables;	/* enables */
112	uint8_t	rtc_flags;	/* flags */
113	uint8_t	rtc_control;	/* control */
114	uint8_t	rtc_century;	/* century */
115};
116
117#ifdef	__cplusplus
118}
119#endif
120
121#endif	/* _TODBQ4802_H */
122