Nucleus

/*
 * This file contains the code for handling the Fixed ACPI Description Table.
 * The FADT describes the ACPI fixed register blocks related to power
 * management.  It should also contain a pointer to the Differentiated System
 * Description Table.
 */

#include <nucleus/io.h>
#include "acpi.h"

/* Preferred Power Management Profile */
enum PMProfile {
	PM_UNSPECIFIED,
	PM_DESKTOP,
	PM_MOBILE,
	PM_WORKSTATION,
	PM_ENTERPRISE_SERVER,
	PM_SOHO_SERVER,
	PM_APPLIANCE_PC,
	PM_PERFORMANCE_SERVER,
};

/* Structure of the FADT */
struct FADTable {
	uint32_t firmwareCtrl;
	uint32_t dsdt;
	uint8_t reserved;
	uint8_t prefPMProfile;
	uint16_t sciInterrupt;
	uint32_t smiCommandPort;
	/* Bunch more boring stuff */
};

/* Parse FADT for information */
void
init_fadt(struct SDTHeader *header)
{
	struct FADTable *fadt = (struct FADTable *) (header + 1);
	init_table((void *) fadt->dsdt);
}