rtclock_var.h revision 1.7 1 /* $NetBSD: rtclock_var.h,v 1.7 2005/12/11 12:19:37 christos 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 splitted to _reg.h and _var.h
35 */
36
37 #ifndef _RTCLOCKVAR_H_
38 #define _RTCLOCKVAR_H_
39
40 struct rtc_softc {
41 struct device sc_dev;
42
43 bus_space_tag_t sc_bst;
44 bus_space_handle_t sc_bht;
45 };
46
47 /*
48 * commands written to mode, HOLD before reading the clock,
49 * FREE after done reading.
50 */
51
52 #define RTC_HOLD_CLOCK 0
53 #define RTC_FREE_CLOCK 8
54
55 #define RTC_REG(x) (bus_space_read_1(rtc->sc_bst, rtc->sc_bht, (x)) & 0x0f)
56 #define RTC_WRITE(x,v) bus_space_write_1(rtc->sc_bst, rtc->sc_bht, (x), (v))
57
58 #define RTC_ADDR 0xe8a000
59
60 /* RTC register bank 0 */
61 #define RTC_SEC 0x01
62 #define RTC_SEC10 0x03
63 #define RTC_MIN 0x05
64 #define RTC_MIN10 0x07
65 #define RTC_HOUR 0x09
66 #define RTC_HOUR10 0x0b
67 #define RTC_WEEK 0x0d
68 #define RTC_DAY 0x0f
69 #define RTC_DAY10 0x11
70 #define RTC_MON 0x13
71 #define RTC_MON10 0x15
72 #define RTC_YEAR 0x17
73 #define RTC_YEAR10 0x19
74 #define RTC_MODE 0x1b
75 #define RTC_TEST 0x1d
76 #define RTC_RESET 0x1f
77
78 /* RTC register bank 1 */
79 #define RTC_CLKOUT 0x01
80 #define RTC_ADJUST 0x03
81 #define RTC_AL_MIN 0x05
82 #define RTC_AL_MIN10 0x07
83 #define RTC_AL_HOUR 0x09
84 #define RTC_AL_HOUR10 0x0b
85 #define RTC_AL_WEEK 0x0d
86 #define RTC_AL_DAY 0x0f
87 #define RTC_AL_DAY10 0x11
88 #define RTC_UNUSED1 0x13
89 #define RTC_AMPM 0x15
90 #define RTC_LEAP 0x17
91 #define RTC_UNUSED2 0x19
92
93 #define RTC_BASE_YEAR 1980
94
95 #define range_test(n, l, h) if ((n) < (l) || (n) > (h)) return(0)
96 #define range_test0(n, h) if ((unsigned)(n) > (h)) return(0)
97 /* cast to unsigned in case n is signed */
98
99 #ifdef _KERNEL
100 extern time_t (*gettod)(void);
101 extern int (*settod)(long);
102 #endif
103 #endif /* _RTCLOCKVAR_H_ */
104