/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include 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_pm_state_for_elog(const struct chipset_power_state **ps) { *ps = acpi_get_pm_state(); if (!*ps) { printk(BIOS_ERR, "No CBMEM_ID_POWER_STATE entry, no event recorded in ELOG.\n"); return -1; } return 0; } int acpi_pm_state_for_rtc(const struct chipset_power_state **ps) { *ps = acpi_get_pm_state(); if (!*ps) { printk(BIOS_ERR, "No CBMEM_ID_POWER_STATE entry, RTC init aborted.\n"); return -1; } return 0; } int acpi_pm_state_for_wake(const struct chipset_power_state **ps) { *ps = acpi_get_pm_state(); if (!*ps) { printk(BIOS_ERR, "No CBMEM_ID_POWER_STATE entry, wake source unknown.\n"); return -1; } return 0; }