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);
}
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);
}
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);
}
