ACPI_EXPORT_SYMBOL(acpi_install_exception_handler)
#endif /* ACPI_FUTURE_USAGE */
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_global_event_handler
+ *
+ * PARAMETERS: Handler - Pointer to the global event handler function
+ * Context - Value passed to the handler on each event
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Saves the pointer to the handler function. The global handler
+ * is invoked upon each incoming GPE and Fixed Event. It is
+ * invoked at interrupt level at the time of the event dispatch.
+ * Can be used to update event counters, etc.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_install_global_event_handler(ACPI_GBL_EVENT_HANDLER handler, void *context)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_install_global_event_handler);
+
+ /* Parameter validation */
+
+ if (!handler) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Don't allow two handlers. */
+
+ if (acpi_gbl_global_event_handler) {
+ status = AE_ALREADY_EXISTS;
+ goto cleanup;
+ }
+
+ acpi_gbl_global_event_handler = handler;
+ acpi_gbl_global_event_handler_context = context;
+
+ cleanup:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_global_event_handler)
+
/*******************************************************************************
*
* FUNCTION: acpi_install_fixed_event_handler
acpi_status
acpi_install_gpe_handler(acpi_handle gpe_device,
u32 gpe_number,
- u32 type, acpi_event_handler address, void *context)
+ u32 type, acpi_gpe_handler address, void *context)
{
struct acpi_gpe_event_info *gpe_event_info;
- struct acpi_handler_info *handler;
+ struct acpi_gpe_handler_info *handler;
acpi_status status;
acpi_cpu_flags flags;
/* Allocate memory for the handler object */
- handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info));
+ handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_handler_info));
if (!handler) {
status = AE_NO_MEMORY;
goto unlock_and_exit;
handler->address = address;
handler->context = context;
handler->method_node = gpe_event_info->dispatch.method_node;
- handler->orig_flags = gpe_event_info->flags &
+ handler->original_flags = gpe_event_info->flags &
(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
/*
* disabled now to avoid spurious execution of the handler.
*/
- if ((handler->orig_flags & ACPI_GPE_DISPATCH_METHOD)
+ if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD)
&& gpe_event_info->runtime_count) {
- handler->orig_enabled = 1;
- (void)acpi_raw_disable_gpe(gpe_event_info);
+ handler->originally_enabled = 1;
+ (void)acpi_ev_remove_gpe_reference(gpe_event_info);
}
/* Install the handler */
******************************************************************************/
acpi_status
acpi_remove_gpe_handler(acpi_handle gpe_device,
- u32 gpe_number, acpi_event_handler address)
+ u32 gpe_number, acpi_gpe_handler address)
{
struct acpi_gpe_event_info *gpe_event_info;
- struct acpi_handler_info *handler;
+ struct acpi_gpe_handler_info *handler;
acpi_status status;
acpi_cpu_flags flags;
gpe_event_info->dispatch.method_node = handler->method_node;
gpe_event_info->flags &=
~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
- gpe_event_info->flags |= handler->orig_flags;
+ gpe_event_info->flags |= handler->original_flags;
/*
* If the GPE was previously associated with a method and it was
* post-initialization configuration.
*/
- if ((handler->orig_flags & ACPI_GPE_DISPATCH_METHOD)
- && handler->orig_enabled)
- (void)acpi_raw_enable_gpe(gpe_event_info);
+ if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD)
+ && handler->originally_enabled)
+ (void)acpi_ev_add_gpe_reference(gpe_event_info);
/* Now we can free the handler object */