コード例 #1
0
acpi_status acpi_ev_initialize_events(void)
{
	acpi_status status;

	ACPI_FUNCTION_TRACE("ev_initialize_events");

	/* Make sure we have ACPI tables */

	if (!acpi_gbl_DSDT) {
		ACPI_DEBUG_PRINT((ACPI_DB_WARN, "No ACPI tables present!\n"));
		return_ACPI_STATUS(AE_NO_ACPI_TABLES);
	}

	/*
	 * Initialize the Fixed and General Purpose Events. This is done prior to
	 * enabling SCIs to prevent interrupts from occurring before the handlers are
	 * installed.
	 */
	status = acpi_ev_fixed_event_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_REPORT_ERROR(("Unable to initialize fixed events, %s\n",
				   acpi_format_exception(status)));
		return_ACPI_STATUS(status);
	}

	status = acpi_ev_gpe_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_REPORT_ERROR(("Unable to initialize general purpose events, %s\n", acpi_format_exception(status)));
		return_ACPI_STATUS(status);
	}

	return_ACPI_STATUS(status);
}
コード例 #2
0
ファイル: evevent.c プロジェクト: CSCLOG/beaglebone
acpi_status acpi_ev_initialize_events(void)
{
	acpi_status status;

	ACPI_FUNCTION_TRACE(ev_initialize_events);

	/*
	 * Initialize the Fixed and General Purpose Events. This is done prior to
	 * enabling SCIs to prevent interrupts from occurring before the handlers
	 * are installed.
	 */
	status = acpi_ev_fixed_event_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"Unable to initialize fixed events"));
		return_ACPI_STATUS(status);
	}

	status = acpi_ev_gpe_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"Unable to initialize general purpose events"));
		return_ACPI_STATUS(status);
	}

	return_ACPI_STATUS(status);
}
コード例 #3
0
acpi_status
acpi_ev_initialize (
	void)
{
	acpi_status             status;


	FUNCTION_TRACE ("Ev_initialize");


	/* Make sure we have ACPI tables */

	if (!acpi_gbl_DSDT) {
		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No ACPI tables present!\n"));
		return_ACPI_STATUS (AE_NO_ACPI_TABLES);
	}


	/* Make sure the BIOS supports ACPI mode */

	if (SYS_MODE_LEGACY == acpi_hw_get_mode_capabilities()) {
		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "ACPI Mode is not supported!\n"));
		return_ACPI_STATUS (AE_ERROR);
	}


	acpi_gbl_original_mode = acpi_hw_get_mode();

	/*
	 * Initialize the Fixed and General Purpose Acpi_events prior. This is
	 * done prior to enabling SCIs to prevent interrupts from occuring
	 * before handers are installed.
	 */
	status = acpi_ev_fixed_event_initialize ();
	if (ACPI_FAILURE (status)) {
		ACPI_DEBUG_PRINT ((ACPI_DB_FATAL, "Unable to initialize fixed events.\n"));
		return_ACPI_STATUS (status);
	}

	status = acpi_ev_gpe_initialize ();
	if (ACPI_FAILURE (status)) {
		ACPI_DEBUG_PRINT ((ACPI_DB_FATAL, "Unable to initialize general purpose events.\n"));
		return_ACPI_STATUS (status);
	}

	/* Install the SCI handler */

	status = acpi_ev_install_sci_handler ();
	if (ACPI_FAILURE (status)) {
		ACPI_DEBUG_PRINT ((ACPI_DB_FATAL, "Unable to install System Control Interrupt Handler\n"));
		return_ACPI_STATUS (status);
	}


	/* Install handlers for control method GPE handlers (_Lxx, _Exx) */

	status = acpi_ev_init_gpe_control_methods ();
	if (ACPI_FAILURE (status)) {
		ACPI_DEBUG_PRINT ((ACPI_DB_FATAL, "Unable to initialize Gpe control methods\n"));
		return_ACPI_STATUS (status);
	}

	/* Install the handler for the Global Lock */

	status = acpi_ev_init_global_lock_handler ();
	if (ACPI_FAILURE (status)) {
		ACPI_DEBUG_PRINT ((ACPI_DB_FATAL, "Unable to initialize Global Lock handler\n"));
		return_ACPI_STATUS (status);
	}


	return_ACPI_STATUS (status);
}