xref: /netbsd/sys/arch/x68k/dev/rtclock_var.h (revision bf9ec67e)
1 /*	$NetBSD: rtclock_var.h,v 1.5 2002/05/14 02:03:03 matt 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) __P((void));
101 extern int (*settod) __P((long));
102 #endif
103 #endif /* _RTCLOCKVAR_H_ */
104