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rtclock_var.h revision 1.8 
      1 /*	$NetBSD: rtclock_var.h,v 1.8 2006/09/14 01:18:11 gdamore 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 	struct todr_chip_handle	sc_todr;
     46 };
     47 
     48 /*
     49  * commands written to mode, HOLD before reading the clock,
     50  * FREE after done reading.
     51  */
     52 
     53 #define RTC_HOLD_CLOCK	0
     54 #define RTC_FREE_CLOCK	8
     55 
     56 #define RTC_REG(x) (bus_space_read_1(rtc->sc_bst, rtc->sc_bht, (x)) & 0x0f)
     57 #define RTC_WRITE(x,v) bus_space_write_1(rtc->sc_bst, rtc->sc_bht, (x), (v))
     58 
     59 #define RTC_ADDR	0xe8a000
     60 
     61 /* RTC register bank 0 */
     62 #define RTC_SEC		0x01
     63 #define RTC_SEC10	0x03
     64 #define RTC_MIN		0x05
     65 #define RTC_MIN10	0x07
     66 #define RTC_HOUR	0x09
     67 #define RTC_HOUR10	0x0b
     68 #define RTC_WEEK	0x0d
     69 #define RTC_DAY		0x0f
     70 #define RTC_DAY10	0x11
     71 #define RTC_MON		0x13
     72 #define RTC_MON10	0x15
     73 #define RTC_YEAR	0x17
     74 #define RTC_YEAR10	0x19
     75 #define RTC_MODE	0x1b
     76 #define RTC_TEST	0x1d
     77 #define RTC_RESET	0x1f
     78 
     79 /* RTC register bank 1 */
     80 #define RTC_CLKOUT	0x01
     81 #define RTC_ADJUST	0x03
     82 #define RTC_AL_MIN	0x05
     83 #define RTC_AL_MIN10	0x07
     84 #define RTC_AL_HOUR	0x09
     85 #define RTC_AL_HOUR10	0x0b
     86 #define RTC_AL_WEEK	0x0d
     87 #define RTC_AL_DAY	0x0f
     88 #define RTC_AL_DAY10	0x11
     89 #define RTC_UNUSED1	0x13
     90 #define RTC_AMPM	0x15
     91 #define RTC_LEAP	0x17
     92 #define RTC_UNUSED2	0x19
     93 
     94 #define RTC_BASE_YEAR	1980
     95 
     96 #define	range_test(n, l, h)	if ((n) < (l) || (n) > (h)) return(0)
     97 #define	range_test0(n, h)	if ((unsigned)(n) > (h)) return(0)
     98 				/* cast to unsigned in case n is signed */
     99 
    100 #ifdef _KERNEL
    101 extern time_t (*gettod)(void);
    102 extern int (*settod)(long);
    103 #endif
    104 #endif /* _RTCLOCKVAR_H_ */
    105