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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <acpi/acpi_pm.h>
#include <assert.h>
#include <cbmem.h>
#include <console/console.h>
#include <smbios.h>
static const char *pm_fetch_failure_msg[PS_CLAIMER_MAX] = {
[PS_CLAIMER_ELOG] = "no event recorded in ELOG.",
[PS_CLAIMER_RTC] = "RTC init aborted.",
[PS_CLAIMER_WAKE] = "wake source unknown.",
};
void __weak mainboard_suspend_resume(void)
{
}
/* Default mapping to ACPI FADT preferred_pm_profile field. */
uint8_t acpi_get_preferred_pm_profile(void)
{
switch (smbios_mainboard_enclosure_type()) {
case SMBIOS_ENCLOSURE_LAPTOP:
case SMBIOS_ENCLOSURE_CONVERTIBLE:
return PM_MOBILE;
case SMBIOS_ENCLOSURE_DETACHABLE:
case SMBIOS_ENCLOSURE_TABLET:
return PM_TABLET;
case SMBIOS_ENCLOSURE_DESKTOP:
return PM_DESKTOP;
case SMBIOS_ENCLOSURE_UNKNOWN:
default:
return PM_UNSPECIFIED;
}
}
struct chipset_power_state *acpi_get_pm_state(void)
{
static struct chipset_power_state *acpi_pm_state;
if (acpi_pm_state)
return acpi_pm_state;
acpi_pm_state = cbmem_find(CBMEM_ID_POWER_STATE);
return acpi_pm_state;
}
int acpi_fetch_pm_state(const struct chipset_power_state **ps,
enum power_state_claimer ps_claimer)
{
assert(ps_claimer < PS_CLAIMER_MAX);
*ps = acpi_get_pm_state();
if (!*ps) {
printk(BIOS_ERR, "No CBMEM_ID_POWER_STATE entry, %s\n",
ps_claimer < PS_CLAIMER_MAX ?
pm_fetch_failure_msg[ps_claimer] : "unknown claimer.");
return -1;
}
return 0;
}
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