284 lines
8.1 KiB
C
284 lines
8.1 KiB
C
/* $NetBSD: a2kbbc.c,v 1.15 2003/08/07 16:26:39 agc Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1982, 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: Utah $Hdr: clock.c 1.18 91/01/21$
|
|
*
|
|
* @(#)clock.c 7.6 (Berkeley) 5/7/91
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1988 University of Utah.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: Utah $Hdr: clock.c 1.18 91/01/21$
|
|
*
|
|
* @(#)clock.c 7.6 (Berkeley) 5/7/91
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: a2kbbc.c,v 1.15 2003/08/07 16:26:39 agc Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/device.h>
|
|
#include <sys/systm.h>
|
|
#include <machine/psl.h>
|
|
#include <machine/cpu.h>
|
|
#include <amiga/amiga/device.h>
|
|
#include <amiga/amiga/custom.h>
|
|
#include <amiga/amiga/cia.h>
|
|
#include <amiga/dev/rtc.h>
|
|
#include <amiga/dev/zbusvar.h>
|
|
|
|
#include <dev/clock_subr.h>
|
|
|
|
int a2kbbc_match(struct device *, struct cfdata *, void *);
|
|
void a2kbbc_attach(struct device *, struct device *, void *);
|
|
|
|
CFATTACH_DECL(a2kbbc, sizeof(struct device),
|
|
a2kbbc_match, a2kbbc_attach, NULL, NULL);
|
|
|
|
void *a2kclockaddr;
|
|
int a2kugettod(struct timeval *);
|
|
int a2kusettod(struct timeval *);
|
|
|
|
int
|
|
a2kbbc_match(struct device *pdp, struct cfdata *cfp, void *auxp)
|
|
{
|
|
static int a2kbbc_matched = 0;
|
|
|
|
if (!matchname("a2kbbc", auxp))
|
|
return (0);
|
|
|
|
/* Allow only one instance. */
|
|
if (a2kbbc_matched)
|
|
return (0);
|
|
|
|
if (/* is_a1200() || */ is_a3000() || is_a4000()
|
|
#ifdef DRACO
|
|
|| is_draco()
|
|
#endif
|
|
)
|
|
return (0);
|
|
|
|
a2kclockaddr = (void *)ztwomap(0xdc0000);
|
|
if (a2kugettod(0) == 0)
|
|
return (0);
|
|
|
|
a2kbbc_matched = 1;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Attach us to the rtc function pointers.
|
|
*/
|
|
void
|
|
a2kbbc_attach(struct device *pdp, struct device *dp, void *auxp)
|
|
{
|
|
printf("\n");
|
|
a2kclockaddr = (void *)ztwomap(0xdc0000);
|
|
|
|
ugettod = a2kugettod;
|
|
usettod = a2kusettod;
|
|
}
|
|
|
|
int
|
|
a2kugettod(struct timeval *tvp)
|
|
{
|
|
struct rtclock2000 *rt;
|
|
struct clock_ymdhms dt;
|
|
time_t secs;
|
|
int i;
|
|
|
|
rt = a2kclockaddr;
|
|
|
|
/*
|
|
* hold clock
|
|
*/
|
|
rt->control1 |= A2CONTROL1_HOLD;
|
|
i = 0x1000;
|
|
while (rt->control1 & A2CONTROL1_BUSY && i--)
|
|
;
|
|
if (rt->control1 & A2CONTROL1_BUSY)
|
|
return (0); /* Give up and say it's not there */
|
|
|
|
/* Copy the info. Careful about the order! */
|
|
dt.dt_sec = rt->second1 * 10 + rt->second2;
|
|
dt.dt_min = rt->minute1 * 10 + rt->minute2;
|
|
dt.dt_hour = (rt->hour1 & 3) * 10 + rt->hour2;
|
|
dt.dt_day = rt->day1 * 10 + rt->day2;
|
|
dt.dt_mon = rt->month1 * 10 + rt->month2;
|
|
dt.dt_year = rt->year1 * 10 + rt->year2;
|
|
dt.dt_wday = rt->weekday;
|
|
|
|
/*
|
|
* The oki clock chip has a register to put the clock into
|
|
* 12/24h mode.
|
|
*
|
|
* clockmode | A2HOUR1_PM
|
|
* 24h 12h | am = 0, pm = 1
|
|
* ---------------------------------
|
|
* 0 12 | 0
|
|
* 1 1 | 0
|
|
* .. .. | 0
|
|
* 11 11 | 0
|
|
* 12 12 | 1
|
|
* 13 1 | 1
|
|
* .. .. | 1
|
|
* 23 11 | 1
|
|
*
|
|
*/
|
|
|
|
if ((rt->control3 & A2CONTROL3_24HMODE) == 0) {
|
|
if ((rt->hour1 & A2HOUR1_PM) == 0 && dt.dt_hour == 12)
|
|
dt.dt_hour = 0;
|
|
else if ((rt->hour1 & A2HOUR1_PM) && dt.dt_hour != 12)
|
|
dt.dt_hour += 12;
|
|
}
|
|
|
|
/*
|
|
* release the clock
|
|
*/
|
|
rt->control1 &= ~A2CONTROL1_HOLD;
|
|
|
|
dt.dt_year += CLOCK_BASE_YEAR;
|
|
if (dt.dt_year < STARTOFTIME)
|
|
dt.dt_year += 100;
|
|
|
|
if ((dt.dt_hour > 23) ||
|
|
(dt.dt_day > 31) ||
|
|
(dt.dt_mon > 12) ||
|
|
/* (dt.dt_year < STARTOFTIME) || */ (dt.dt_year > 2036))
|
|
return (0);
|
|
|
|
secs = clock_ymdhms_to_secs(&dt);
|
|
if (tvp) {
|
|
tvp->tv_sec = secs;
|
|
tvp->tv_usec = 0;
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
a2kusettod(struct timeval *tvp)
|
|
{
|
|
struct rtclock2000 *rt;
|
|
struct clock_ymdhms dt;
|
|
int ampm, i;
|
|
time_t secs;
|
|
|
|
secs = tvp->tv_sec;
|
|
rt = a2kclockaddr;
|
|
/*
|
|
* there seem to be problems with the bitfield addressing
|
|
* currently used..
|
|
*/
|
|
if (! rt)
|
|
return (0);
|
|
|
|
clock_secs_to_ymdhms(secs, &dt);
|
|
|
|
/*
|
|
* hold clock
|
|
*/
|
|
rt->control1 |= A2CONTROL1_HOLD;
|
|
i = 0x1000;
|
|
while (rt->control1 & A2CONTROL1_BUSY && i--)
|
|
;
|
|
if (rt->control1 & A2CONTROL1_BUSY)
|
|
return (0); /* Give up and say it's not there */
|
|
|
|
ampm = 0;
|
|
if ((rt->control3 & A2CONTROL3_24HMODE) == 0) {
|
|
if (dt.dt_hour >= 12) {
|
|
ampm = A2HOUR1_PM;
|
|
if (dt.dt_hour != 12)
|
|
dt.dt_hour -= 12;
|
|
} else if (dt.dt_hour == 0) {
|
|
dt.dt_hour = 12;
|
|
}
|
|
}
|
|
rt->hour1 = (dt.dt_hour / 10) | ampm;
|
|
rt->hour2 = dt.dt_hour % 10;
|
|
rt->second1 = dt.dt_sec / 10;
|
|
rt->second2 = dt.dt_sec % 10;
|
|
rt->minute1 = dt.dt_min / 10;
|
|
rt->minute2 = dt.dt_min % 10;
|
|
rt->day1 = dt.dt_day / 10;
|
|
rt->day2 = dt.dt_day % 10;
|
|
rt->month1 = dt.dt_mon / 10;
|
|
rt->month2 = dt.dt_mon % 10;
|
|
rt->year1 = (dt.dt_year / 10) % 10;
|
|
rt->year2 = dt.dt_year % 10;
|
|
rt->weekday = dt.dt_wday;
|
|
|
|
/*
|
|
* release the clock
|
|
*/
|
|
rt->control2 &= ~A2CONTROL1_HOLD;
|
|
|
|
return (1);
|
|
}
|