1 /*        $NetBSD: rtclock_var.h,v 1.12 2021/08/21 09:59:46 andvar Exp $        */
2 
3 /*
4  * Copyright 1993, 1994 Masaru Oki
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by Masaru Oki.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Should be split to _reg.h and _var.h
35  */
36 
37 #ifndef _RTCLOCKVAR_H_
38 #define _RTCLOCKVAR_H_
39 
40 struct rtc_softc {
41           bus_space_tag_t               sc_bst;
42           bus_space_handle_t  sc_bht;
43           struct todr_chip_handle       sc_todr;
44 };
45 
46 /*
47  * commands written to mode, HOLD before reading the clock,
48  * FREE after done reading.
49  */
50 
51 #define RTC_HOLD_CLOCK        0
52 #define RTC_FREE_CLOCK        8
53 
54 #define RTC_REG(x) (bus_space_read_1(rtc->sc_bst, rtc->sc_bht, (x)) & 0x0f)
55 #define RTC_WRITE(x,v) bus_space_write_1(rtc->sc_bst, rtc->sc_bht, (x), (v))
56 
57 #define RTC_ADDR    0xe8a000
58 
59 /* RTC register bank 0 */
60 #define RTC_SEC               0x01
61 #define RTC_SEC10   0x03
62 #define RTC_MIN               0x05
63 #define RTC_MIN10   0x07
64 #define RTC_HOUR    0x09
65 #define RTC_HOUR10  0x0b
66 #define RTC_WEEK    0x0d
67 #define RTC_DAY               0x0f
68 #define RTC_DAY10   0x11
69 #define RTC_MON               0x13
70 #define RTC_MON10   0x15
71 #define RTC_YEAR    0x17
72 #define RTC_YEAR10  0x19
73 #define RTC_MODE    0x1b
74 #define RTC_TEST    0x1d
75 #define RTC_RESET   0x1f
76 
77 /* RTC register bank 1 */
78 #define RTC_CLKOUT  0x01
79 #define RTC_ADJUST  0x03
80 #define RTC_AL_MIN  0x05
81 #define RTC_AL_MIN10          0x07
82 #define RTC_AL_HOUR 0x09
83 #define RTC_AL_HOUR10         0x0b
84 #define RTC_AL_WEEK 0x0d
85 #define RTC_AL_DAY  0x0f
86 #define RTC_AL_DAY10          0x11
87 #define RTC_UNUSED1 0x13
88 #define RTC_AMPM    0x15
89 #define RTC_LEAP    0x17
90 #define RTC_UNUSED2 0x19
91 
92 #define RTC_BASE_YEAR         1980
93 
94 #endif /* _RTCLOCKVAR_H_ */
95