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Cleanup on power off code under ACPI.

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- Remove DELAY() kludge before power off.
 - Move EVENTHANDLER_REGISTER to acpi_attach().
 - Pass RB_POWEROFF flag to shutdown_nice().

Reviewed by:	msmith
This commit is contained in:
Mitsuru IWASAKI 2000-08-31 11:15:03 +00:00
parent 573365d5ad
commit bb579ecba0
1 changed files with 21 additions and 15 deletions
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36
sys/dev/acpi/acpi.c
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@ -37,6 +37,7 @@
#include <sys/sysctl.h>
#include <sys/eventhandler.h> /* for EVENTHANDLER_REGISTER */
#include <sys/reboot.h> /* for RB_POWEROFF */
#include <machine/clock.h> /* for DELAY */
#include <machine/bus.h>
@ -877,9 +878,11 @@ acpi_soft_off(void *data, int howto)
{
acpi_softc_t *sc;
if (!(howto & RB_POWEROFF)) {
return;
}
sc = (acpi_softc_t *) data;
/* wait 1sec before turning off the system power */
DELAY(1000*1000);
acpi_execute_pts(sc, ACPI_S_STATE_S5);
acpi_trans_sleeping_state(sc, ACPI_S_STATE_S5);
}
@ -888,15 +891,6 @@ acpi_set_sleeping_state(acpi_softc_t *sc, u_int8_t state)
{
u_int8_t slp_typ_a, slp_typ_b;
/* Prepare to sleep */
acpi_execute_pts(sc, state);
/* PowerResource manipulation */
acpi_powerres_set_sleeping_state(sc, state);
if (acpi_debug) {
acpi_powerres_debug(sc);
}
if (!sc->system_state_initialized) {
return;
}
@ -909,6 +903,17 @@ acpi_set_sleeping_state(acpi_softc_t *sc, u_int8_t state)
return; /* unsupported sleeping type */
}
if (state < ACPI_S_STATE_S5) {
/* Prepare to sleep */
acpi_execute_pts(sc, state);
/* PowerResource manipulation */
acpi_powerres_set_sleeping_state(sc, state);
if (acpi_debug) {
acpi_powerres_debug(sc);
}
}
/*
* XXX currently supported S1 and S5 only.
*/
@ -916,19 +921,17 @@ acpi_set_sleeping_state(acpi_softc_t *sc, u_int8_t state)
case ACPI_S_STATE_S0:
case ACPI_S_STATE_S1:
acpi_trans_sleeping_state(sc, state);
acpi_execute_wak(sc, state);
break;
case ACPI_S_STATE_S5:
/* Power the system off using ACPI */
EVENTHANDLER_REGISTER(shutdown_final, acpi_soft_off, sc,
SHUTDOWN_PRI_LAST);
shutdown_nice(); /* XXX */
shutdown_nice(RB_POWEROFF);
break;
default:
break;
}
if (state < ACPI_S_STATE_S5) {
acpi_execute_wak(sc, state);
acpi_powerres_set_sleeping_state(sc, 0);
if (acpi_debug) {
acpi_powerres_debug(sc);
@ -1330,6 +1333,9 @@ acpi_attach(device_t dev)
acpi_powerres_debug(sc);
}
EVENTHANDLER_REGISTER(shutdown_final, acpi_soft_off, sc,
SHUTDOWN_PRI_LAST);
acpi_pmap_release();
make_dev(&acpi_cdevsw, 0, 0, 5, 0660, "acpi");