void
zapm_poweroff(void)
{
struct pxa2x0_apm_softc *sc;
int s;
KASSERT(apm_cd.cd_ndevs > 0 && apm_cd.cd_devs[0] != NULL);
sc = apm_cd.cd_devs[0];
#if NWSDISPLAY > 0
wsdisplay_suspend();
#endif /* NWSDISPLAY > 0 */
s = splhigh();
config_suspend_all(DVACT_SUSPEND);
suspend_randomness();
/* XXX
* Flag to disk drivers that they should "power down" the disk
* when we get to DVACT_POWERDOWN.
*/
boothowto |= RB_POWERDOWN;
config_suspend_all(DVACT_POWERDOWN);
boothowto &= ~RB_POWERDOWN;
/* XXX enable charging during suspend */
/* XXX keep power LED state during suspend */
/* XXX do the same thing for GPIO 43 (BTTXD) */
/* XXX scoop power down */
/* XXX set PGSRn and GPDRn */
pxa2x0_wakeup_config(PXA2X0_WAKEUP_ALL, 1);
do {
pxa2x0_apm_sleep(sc);
} while (!zapm_resume(sc));
zapm_restart();
/* NOTREACHED */
config_suspend_all(DVACT_RESUME);
splx(s);
resume_randomness(NULL, 0); /* force RNG upper level reseed */
bufq_restart();
config_suspend_all(DVACT_WAKEUP);
#if NWSDISPLAY > 0
wsdisplay_resume();
#endif /* NWSDISPLAY > 0 */
}
void
apm_suspend(int state)
{
extern int perflevel;
int s;
#if NWSDISPLAY > 0
wsdisplay_suspend();
#endif /* NWSDISPLAY > 0 */
stop_periodic_resettodr();
config_suspend_all(DVACT_QUIESCE);
bufq_quiesce();
s = splhigh();
intr_disable();
cold = 2;
config_suspend_all(DVACT_SUSPEND);
suspend_randomness();
/* XXX
* Flag to disk drivers that they should "power down" the disk
* when we get to DVACT_POWERDOWN.
*/
boothowto |= RB_POWERDOWN;
config_suspend_all(DVACT_POWERDOWN);
boothowto &= ~RB_POWERDOWN;
/* Send machine to sleep */
apm_set_powstate(APM_DEV_ALLDEVS, state);
/* Wake up */
/* They say that some machines may require reinitializing the clocks */
i8254_startclock();
if (initclock_func == i8254_initclocks)
rtcstart(); /* in i8254 mode, rtc is profclock */
inittodr(time_second);
config_suspend_all(DVACT_RESUME);
cold = 0;
intr_enable();
splx(s);
resume_randomness(NULL, 0); /* force RNG upper level reseed */
bufq_restart();
config_suspend_all(DVACT_WAKEUP);
start_periodic_resettodr();
#if NWSDISPLAY > 0
wsdisplay_resume();
#endif /* NWSDISPLAY > 0 */
/* restore hw.setperf */
if (cpu_setperf != NULL)
cpu_setperf(perflevel);
}
void
apm_resume(struct pxa2x0_apm_softc *sc)
{
int s;
s = splhigh();
config_suspend(TAILQ_FIRST(&alldevs), DVACT_RESUME);
splx(s);
inittodr(0);
/*
* Clear the OTG Peripheral hold after running the pxaudc and pxaohci
* ca_activate to re-enable their operation. See 3.8.1.2
*/
/* XXX ifdef NPXAUDC > 0 */
bus_space_write_4(sc->sc_iot, sc->sc_pm_ioh, POWMAN_PSSR, PSSR_OTGPH);
bufq_restart();
#if NWSDISPLAY > 0
wsdisplay_resume();
#endif /* NWSDISPLAY > 0 */
}
int
apm_suspend(int state)
{
int rv;
int s;
#if NWSDISPLAY > 0
wsdisplay_suspend();
#endif
resettodr();
config_suspend_all(DVACT_QUIESCE);
bufq_quiesce();
s = splhigh();
(void)disableintr();
cold = 1;
rv = config_suspend_all(DVACT_SUSPEND);
suspend_randomness();
#ifdef HIBERNATE
if (state == APM_IOC_HIBERNATE) {
uvm_pmr_zero_everything();
if (hibernate_suspend()) {
printf("apm: hibernate_suspend failed");
hibernate_free();
uvm_pmr_dirty_everything();
return (ECANCELED);
}
}
#endif
/* XXX
* Flag to disk drivers that they should "power down" the disk
* when we get to DVACT_POWERDOWN.
*/
boothowto |= RB_POWERDOWN;
config_suspend_all(DVACT_POWERDOWN);
boothowto &= ~RB_POWERDOWN;
if (rv == 0) {
rv = sys_platform->suspend();
if (rv == 0)
rv = sys_platform->resume();
}
inittodr(time_second); /* Move the clock forward */
config_suspend_all(DVACT_RESUME);
cold = 0;
(void)enableintr();
splx(s);
resume_randomness(NULL, 0); /* force RNG upper level reseed */
bufq_restart();
config_suspend_all(DVACT_WAKEUP);
#if NWSDISPLAY > 0
wsdisplay_resume();
#endif
return rv;
}