/*
 * Copyright (C) 2020 Richard Hughes <richard@hughsie.com>
 *
 * SPDX-License-Identifier: LGPL-2.1+
 */

#include "config.h"

#include <string.h>

#include "fu-common.h"
#include "fu-acpi-facp.h"

struct _FuAcpiFacp {
	GObject		 parent_instance;
	gboolean	 get_s2i;
};

G_DEFINE_TYPE (FuAcpiFacp, fu_acpi_facp, G_TYPE_OBJECT)

#define LOW_POWER_S0_IDLE_CAPABLE		(1 << 21)

FuAcpiFacp *
fu_acpi_facp_new (GBytes *blob, GError **error)
{
	FuAcpiFacp *self = g_object_new (FU_TYPE_ACPI_FACP, NULL);
	gsize bufsz = 0;
	guint32 flags = 0;
	const guint8 *buf = g_bytes_get_data (blob, &bufsz);

	/* parse table */
	if (!fu_common_read_uint32_safe	(buf, bufsz, 0x70, &flags, G_LITTLE_ENDIAN, error))
		return NULL;
	g_debug ("Flags: 0x%04x", flags);
	self->get_s2i = (flags & LOW_POWER_S0_IDLE_CAPABLE) > 0;
	return self;
}

gboolean
fu_acpi_facp_get_s2i (FuAcpiFacp *self)
{
	g_return_val_if_fail (FU_IS_ACPI_FACP (self), FALSE);
	return self->get_s2i;
}

static void
fu_acpi_facp_class_init (FuAcpiFacpClass *klass)
{
}

static void
fu_acpi_facp_init (FuAcpiFacp *self)
{
}