diff options
Diffstat (limited to 'sys/pc98/cbus/clock.c')
| -rw-r--r-- | sys/pc98/cbus/clock.c | 223 |
1 files changed, 1 insertions, 222 deletions
diff --git a/sys/pc98/cbus/clock.c b/sys/pc98/cbus/clock.c index 81f61b9..ff4bd8f 100644 --- a/sys/pc98/cbus/clock.c +++ b/sys/pc98/cbus/clock.c @@ -40,13 +40,6 @@ __FBSDID("$FreeBSD$"); */ /* - * inittodr, settodr and support routines written - * by Christoph Robitschko <chmr@edvz.tu-graz.ac.at> - * - * reintroduced and updated by Chris Stenton <chris@gnome.co.uk> 8/10/94 - */ - -/* * modified for PC98 by Kakefuda */ @@ -63,32 +56,25 @@ __FBSDID("$FreeBSD$"); #include <sys/kdb.h> #include <sys/mutex.h> #include <sys/proc.h> -#include <sys/time.h> #include <sys/timetc.h> #include <sys/kernel.h> -#include <sys/limits.h> #include <sys/module.h> #include <sys/sysctl.h> -#include <sys/power.h> #include <machine/clock.h> #include <machine/cpu.h> -#include <machine/cputypes.h> #include <machine/frame.h> #include <machine/intr_machdep.h> #include <machine/md_var.h> -#include <machine/psl.h> #ifdef DEV_APIC #include <machine/apicvar.h> #endif -#include <machine/specialreg.h> #include <machine/ppireg.h> #include <machine/timerreg.h> -#include <i386/isa/icu.h> -#include <pc98/cbus/cbus.h> #include <pc98/pc98/pc98_machdep.h> #ifdef DEV_ISA +#include <pc98/cbus/cbus.h> #include <isa/isavar.h> #endif @@ -356,7 +342,6 @@ i8254_restore(void) mtx_unlock_spin(&clock_lock); } - /* * Restore all the timers non-atomically (XXX: should be atomically). * @@ -544,209 +529,3 @@ static devclass_t attimer_devclass; DRIVER_MODULE(attimer, isa, attimer_driver, attimer_devclass, 0, 0); #endif /* DEV_ISA */ - -#ifdef DEV_ISA - -/********************************************************************** - * RTC driver for subr_rtc - */ - -#include "clock_if.h" - -#include <sys/rman.h> - -static void rtc_serialcombit(int); -static void rtc_serialcom(int); -static int rtc_inb(void); -static void rtc_outb(int); - -static void -rtc_serialcombit(int i) -{ - outb(IO_RTC, ((i&0x01)<<5)|0x07); - DELAY(1); - outb(IO_RTC, ((i&0x01)<<5)|0x17); - DELAY(1); - outb(IO_RTC, ((i&0x01)<<5)|0x07); - DELAY(1); -} - -static void -rtc_serialcom(int i) -{ - rtc_serialcombit(i&0x01); - rtc_serialcombit((i&0x02)>>1); - rtc_serialcombit((i&0x04)>>2); - rtc_serialcombit((i&0x08)>>3); - outb(IO_RTC, 0x07); - DELAY(1); - outb(IO_RTC, 0x0f); - DELAY(1); - outb(IO_RTC, 0x07); - DELAY(1); -} - -static void -rtc_outb(int val) -{ - int s; - int sa = 0; - - for (s=0;s<8;s++) { - sa = ((val >> s) & 0x01) ? 0x27 : 0x07; - outb(IO_RTC, sa); /* set DI & CLK 0 */ - DELAY(1); - outb(IO_RTC, sa | 0x10); /* CLK 1 */ - DELAY(1); - } - outb(IO_RTC, sa & 0xef); /* CLK 0 */ -} - -static int -rtc_inb(void) -{ - int s; - int sa = 0; - - for (s=0;s<8;s++) { - sa |= ((inb(0x33) & 0x01) << s); - outb(IO_RTC, 0x17); /* CLK 1 */ - DELAY(1); - outb(IO_RTC, 0x07); /* CLK 0 */ - DELAY(2); - } - return sa; -} - -struct pcrtc_softc { - int port_rid1, port_rid2; - struct resource *port_res1, *port_res2; -}; - -/* - * Attach to the ISA PnP descriptors for the timer and realtime clock. - */ -static struct isa_pnp_id pcrtc_ids[] = { - { 0x000bd041 /* PNP0B00 */, "AT realtime clock" }, - { 0 } -}; - -static int -pcrtc_probe(device_t dev) -{ - int result; - - device_set_desc(dev, "PC Real Time Clock"); - result = ISA_PNP_PROBE(device_get_parent(dev), dev, pcrtc_ids); - /* ENXIO if wrong PnP-ID, ENOENT ifno PnP-ID, zero if good PnP-iD */ - if (result != ENOENT) - return(result); - /* All PC's have an RTC, and we're hosed without it, so... */ - return (BUS_PROBE_LOW_PRIORITY); -} - -static int -pcrtc_attach(device_t dev) -{ - struct pcrtc_softc *sc; - - /* - * Not that we need them or anything, but grab our resources - * so they show up, correctly attributed, in the big picture. - */ - sc = device_get_softc(dev); - sc->port_rid1 = 0; - bus_set_resource(dev, SYS_RES_IOPORT, sc->port_rid1, IO_RTC, 1); - if (!(sc->port_res1 = bus_alloc_resource(dev, SYS_RES_IOPORT, - &sc->port_rid1, IO_RTC, IO_RTC, 1, RF_ACTIVE))) - device_printf(dev, "Warning: Couldn't map I/O.\n"); - sc->port_rid2 = 1; - bus_set_resource(dev, SYS_RES_IOPORT, sc->port_rid2, 0x33, 1); - if (!(sc->port_res2 = bus_alloc_resource(dev, SYS_RES_IOPORT, - &sc->port_rid2, 0x33, 0x33, 1, RF_ACTIVE))) - device_printf(dev, "Warning: Couldn't map I/O.\n"); - - clock_register(dev, 1000000); - return(0); -} - -static int -pcrtc_settime(device_t dev __unused, struct timespec *ts) -{ - struct clocktime ct; - - clock_ts_to_ct(ts, &ct); - - rtc_serialcom(0x01); /* Register shift command. */ - - rtc_outb(bin2bcd(ct.sec)); /* Write back Seconds */ - rtc_outb(bin2bcd(ct.min)); /* Write back Minutes */ - rtc_outb(bin2bcd(ct.hour)); /* Write back Hours */ - - rtc_outb(bin2bcd(ct.day)); /* Write back Day */ - rtc_outb((ct.mon << 4) | ct.dow); /* Write back Month and DOW */ - rtc_outb(bin2bcd(ct.year % 100)); /* Write back Year */ - - rtc_serialcom(0x02); /* Time set & Counter hold command. */ - rtc_serialcom(0x00); /* Register hold command. */ - - return (0); -} - -static int -pcrtc_gettime(device_t dev, struct timespec *ts) -{ - struct clocktime ct; - int i; - - rtc_serialcom(0x03); /* Time Read */ - rtc_serialcom(0x01); /* Register shift command. */ - DELAY(20); - - ct.nsec = 0; - ct.sec = bcd2bin(rtc_inb() & 0xff); /* sec */ - ct.min = bcd2bin(rtc_inb() & 0xff); /* min */ - ct.hour = bcd2bin(rtc_inb() & 0xff); /* hour */ - ct.day = bcd2bin(rtc_inb() & 0xff); /* date */ - i = rtc_inb(); - ct.dow = i & 0x0f; /* dow */ - ct.mon = (i >> 4) & 0x0f; /* month */ - ct.year = bcd2bin(rtc_inb() & 0xff) + 1900; /* year */ - if (ct.year < 1995) - ct.year += 100; - - /* Set dow = -1 because some clocks don't set it correctly. */ - ct.dow = -1; - - return (clock_ct_to_ts(&ct, ts)); -} - -static device_method_t pcrtc_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, pcrtc_probe), - DEVMETHOD(device_attach, pcrtc_attach), - DEVMETHOD(device_detach, bus_generic_detach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - DEVMETHOD(device_suspend, bus_generic_suspend), - /* XXX stop statclock? */ - DEVMETHOD(device_resume, bus_generic_resume), - /* XXX restart statclock? */ - - /* clock interface */ - DEVMETHOD(clock_gettime, pcrtc_gettime), - DEVMETHOD(clock_settime, pcrtc_settime), - - { 0, 0 } -}; - -static driver_t pcrtc_driver = { - "pcrtc", - pcrtc_methods, - sizeof(struct pcrtc_softc), -}; - -static devclass_t pcrtc_devclass; - -DRIVER_MODULE(pcrtc, isa, pcrtc_driver, pcrtc_devclass, 0, 0); - -#endif /* DEV_ISA */ |
