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Add resume methods to i8254 and atrtc devices.

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This commit is contained in:
Alexander Motin 2009-05-01 21:43:04 +00:00
parent ce7fa847ac
commit 58a2bb4996
2 changed files with 28 additions and 3 deletions
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21
sys/amd64/isa/clock.c
View file

@ -376,6 +376,17 @@ set_i8254_freq(u_int freq, int intr_freq)
mtx_unlock_spin(&clock_lock);
}
static void
i8254_restore(void)
{
mtx_lock_spin(&clock_lock);
outb(TIMER_MODE, TIMER_SEL0 | TIMER_RATEGEN | TIMER_16BIT);
outb(TIMER_CNTR0, i8254_real_max_count & 0xff);
outb(TIMER_CNTR0, i8254_real_max_count >> 8);
mtx_unlock_spin(&clock_lock);
}
/* This is separate from startrtclock() so that it can be called early. */
void
i8254_init(void)
@ -558,6 +569,14 @@ attimer_attach(device_t dev)
return(0);
}
static int
attimer_resume(device_t dev)
{
i8254_restore();
return(0);
}
static device_method_t attimer_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, attimer_probe),
@ -565,7 +584,7 @@ static device_method_t attimer_methods[] = {
DEVMETHOD(device_detach, bus_generic_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
DEVMETHOD(device_resume, attimer_resume),
{ 0, 0 }
};

10
sys/isa/atrtc.c
View file

@ -190,6 +190,13 @@ atrtc_attach(device_t dev)
return(0);
}
static int
atrtc_resume(device_t dev)
{
atrtc_restore();
return(0);
}
static int
atrtc_settime(device_t dev __unused, struct timespec *ts)
@ -264,8 +271,7 @@ static device_method_t atrtc_methods[] = {
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
/* XXX stop statclock? */
DEVMETHOD(device_resume, bus_generic_resume),
/* XXX restart statclock? */
DEVMETHOD(device_resume, atrtc_resume),
/* clock interface */
DEVMETHOD(clock_gettime, atrtc_gettime),