/* SPDX-License-Identifier: GPL-2.0-only */ #include <acpi/acpi.h> #include <acpi/acpi_gnvs.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; } /* Not every <soc/nvs.h> exists and has required fields. */ #if CONFIG(ACPI_GNVS_USB_CHARGECTL) && ENV_SMM #include <cpu/x86/smm.h> #include <soc/nvs.h> void usb_charge_mode_from_gnvs(uint8_t slp_typ, bool *usb0_disable, bool *usb1_disable) { if (!gnvs) return; switch (slp_typ) { case ACPI_S3: *usb0_disable = (gnvs->s3u0 == 0); *usb1_disable = (gnvs->s3u1 == 0); break; case ACPI_S4: case ACPI_S5: *usb0_disable = (gnvs->s5u0 == 0); *usb1_disable = (gnvs->s5u1 == 0); break; } } #endif /* CONFIG(ACPI_GNVS_USB_CHARGECTL) */