ACPI: Define acpi_get_preferred_pm_profile()

Change-Id: I2e7f22ccccc6c0df8e7e9f354c50893a53a41714
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42140
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/acpi/acpi_pm.c

@@ -3,6 +3,7 @@
 #include <acpi/acpi.h>
 #include <console/console.h>
 #include <romstage_handoff.h>
+#include <smbios.h>
 
 /* This is filled with acpi_handoff_wakeup_s3() call early in ramstage. */
 static int acpi_slp_type = -1;
@@ -29,3 +30,21 @@ int acpi_handoff_wakeup_s3(void)
 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;
+	}
+}