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/* SPDX-License-Identifier: GPL-2.0-only */
#include <stdint.h>
#include <arch/io.h>
#include <cpu/x86/smm.h>
#include <superio/smsc/sch5545/sch5545.h>
int mainboard_smi_apmc(u8 data)
{
u8 val;
switch (data) {
case APM_CNT_ACPI_ENABLE:
/* Enable wake on PS2 */
val = inb(SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
val |= (SCH5545_KBD_PME_EN | SCH5545_MOUSE_PME_EN);
outb(val, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
/* Clear pending and enable PMEs */
outb(SCH5545_GLOBAL_PME_STS, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_STS);
outb(SCH5545_GLOBAL_PME_EN, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN);
break;
case APM_CNT_ACPI_DISABLE:
/* Disable wake on PS2 */
val = inb(SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
val &= ~(SCH5545_KBD_PME_EN | SCH5545_MOUSE_PME_EN);
outb(val, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
/* Clear pending and disable PMEs */
outb(SCH5545_GLOBAL_PME_STS, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_STS);
outb(0, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN);
break;
default:
break;
}
return 0;
}
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