*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <acpi/acinterp.h>
#define _COMPONENT ACPI_EVENTS
- ACPI_MODULE_NAME ("evmisc")
+ACPI_MODULE_NAME("evmisc")
+#ifdef ACPI_DEBUG_OUTPUT
+static const char *acpi_notify_value_names[] = {
+ "Bus Check",
+ "Device Check",
+ "Device Wake",
+ "Eject request",
+ "Device Check Light",
+ "Frequency Mismatch",
+ "Bus Mode Mismatch",
+ "Power Fault"
+};
+#endif
+
+/* Local prototypes */
+
+static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context);
+
+static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context);
+
+static u32 acpi_ev_global_lock_handler(void *context);
/*******************************************************************************
*
*
******************************************************************************/
-u8
-acpi_ev_is_notify_object (
- struct acpi_namespace_node *node)
+u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node)
{
switch (node->type) {
case ACPI_TYPE_DEVICE:
}
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_queue_notify_request
*
******************************************************************************/
-#ifdef ACPI_DEBUG_OUTPUT
-static const char *acpi_notify_value_names[] =
-{
- "Bus Check",
- "Device Check",
- "Device Wake",
- "Eject request",
- "Device Check Light",
- "Frequency Mismatch",
- "Bus Mode Mismatch",
- "Power Fault"
-};
-#endif
-
acpi_status
-acpi_ev_queue_notify_request (
- struct acpi_namespace_node *node,
- u32 notify_value)
+acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
+ u32 notify_value)
{
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *handler_obj = NULL;
- union acpi_generic_state *notify_info;
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_NAME ("ev_queue_notify_request");
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj = NULL;
+ union acpi_generic_state *notify_info;
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_NAME("ev_queue_notify_request");
/*
* For value 3 (Ejection Request), some device method may need to be run.
- * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need to be run.
+ * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need
+ * to be run.
* For value 0x80 (Status Change) on the power button or sleep button,
- * initiate soft-off or sleep operation?
+ * initiate soft-off or sleep operation?
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "Dispatching Notify(%X) on node %p\n", notify_value, node));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Dispatching Notify(%X) on node %p\n", notify_value,
+ node));
if (notify_value <= 7) {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: %s\n",
- acpi_notify_value_names[notify_value]));
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: 0x%2.2X **Device Specific**\n",
- notify_value));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Notify value: %s\n",
+ acpi_notify_value_names[notify_value]));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Notify value: 0x%2.2X **Device Specific**\n",
+ notify_value));
}
/* Get the notify object attached to the NS Node */
- obj_desc = acpi_ns_get_attached_object (node);
+ obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
/* We have the notify object, Get the right handler */
case ACPI_TYPE_POWER:
if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
- handler_obj = obj_desc->common_notify.system_notify;
- }
- else {
- handler_obj = obj_desc->common_notify.device_notify;
+ handler_obj =
+ obj_desc->common_notify.system_notify;
+ } else {
+ handler_obj =
+ obj_desc->common_notify.device_notify;
}
break;
/* If there is any handler to run, schedule the dispatcher */
- if ((acpi_gbl_system_notify.handler && (notify_value <= ACPI_MAX_SYS_NOTIFY)) ||
- (acpi_gbl_device_notify.handler && (notify_value > ACPI_MAX_SYS_NOTIFY)) ||
- handler_obj) {
- notify_info = acpi_ut_create_generic_state ();
+ if ((acpi_gbl_system_notify.handler
+ && (notify_value <= ACPI_MAX_SYS_NOTIFY))
+ || (acpi_gbl_device_notify.handler
+ && (notify_value > ACPI_MAX_SYS_NOTIFY)) || handler_obj) {
+ notify_info = acpi_ut_create_generic_state();
if (!notify_info) {
return (AE_NO_MEMORY);
}
notify_info->common.data_type = ACPI_DESC_TYPE_STATE_NOTIFY;
- notify_info->notify.node = node;
- notify_info->notify.value = (u16) notify_value;
+ notify_info->notify.node = node;
+ notify_info->notify.value = (u16) notify_value;
notify_info->notify.handler_obj = handler_obj;
- status = acpi_os_queue_for_execution (OSD_PRIORITY_HIGH,
- acpi_ev_notify_dispatch, notify_info);
- if (ACPI_FAILURE (status)) {
- acpi_ut_delete_generic_state (notify_info);
+ status = acpi_os_queue_for_execution(OSD_PRIORITY_HIGH,
+ acpi_ev_notify_dispatch,
+ notify_info);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_generic_state(notify_info);
}
}
* There is no per-device notify handler for this device.
* This may or may not be a problem.
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "No notify handler for Notify(%4.4s, %X) node %p\n",
- acpi_ut_get_node_name (node), notify_value, node));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "No notify handler for Notify(%4.4s, %X) node %p\n",
+ acpi_ut_get_node_name(node), notify_value,
+ node));
}
return (status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_notify_dispatch
*
- * PARAMETERS: Context - To be passsed to the notify handler
+ * PARAMETERS: Context - To be passed to the notify handler
*
* RETURN: None.
*
*
******************************************************************************/
-void ACPI_SYSTEM_XFACE
-acpi_ev_notify_dispatch (
- void *context)
+static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context)
{
- union acpi_generic_state *notify_info = (union acpi_generic_state *) context;
- acpi_notify_handler global_handler = NULL;
- void *global_context = NULL;
- union acpi_operand_object *handler_obj;
-
-
- ACPI_FUNCTION_ENTRY ();
+ union acpi_generic_state *notify_info =
+ (union acpi_generic_state *)context;
+ acpi_notify_handler global_handler = NULL;
+ void *global_context = NULL;
+ union acpi_operand_object *handler_obj;
+ ACPI_FUNCTION_ENTRY();
/*
* We will invoke a global notify handler if installed.
- * This is done _before_ we invoke the per-device handler attached to the device.
+ * This is done _before_ we invoke the per-device handler attached
+ * to the device.
*/
if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) {
/* Global system notification handler */
global_handler = acpi_gbl_system_notify.handler;
global_context = acpi_gbl_system_notify.context;
}
- }
- else {
+ } else {
/* Global driver notification handler */
if (acpi_gbl_device_notify.handler) {
/* Invoke the system handler first, if present */
if (global_handler) {
- global_handler (notify_info->notify.node, notify_info->notify.value, global_context);
+ global_handler(notify_info->notify.node,
+ notify_info->notify.value, global_context);
}
/* Now invoke the per-device handler, if present */
handler_obj = notify_info->notify.handler_obj;
if (handler_obj) {
- handler_obj->notify.handler (notify_info->notify.node, notify_info->notify.value,
- handler_obj->notify.context);
+ handler_obj->notify.handler(notify_info->notify.node,
+ notify_info->notify.value,
+ handler_obj->notify.context);
}
/* All done with the info object */
- acpi_ut_delete_generic_state (notify_info);
+ acpi_ut_delete_generic_state(notify_info);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_global_lock_thread
*
******************************************************************************/
-static void ACPI_SYSTEM_XFACE
-acpi_ev_global_lock_thread (
- void *context)
+static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context)
{
- acpi_status status;
-
+ acpi_status status;
/* Signal threads that are waiting for the lock */
if (acpi_gbl_global_lock_thread_count) {
/* Send sufficient units to the semaphore */
- status = acpi_os_signal_semaphore (acpi_gbl_global_lock_semaphore,
- acpi_gbl_global_lock_thread_count);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Could not signal Global Lock semaphore\n"));
+ status =
+ acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore,
+ acpi_gbl_global_lock_thread_count);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not signal Global Lock semaphore"));
}
}
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_global_lock_handler
*
******************************************************************************/
-static u32
-acpi_ev_global_lock_handler (
- void *context)
+static u32 acpi_ev_global_lock_handler(void *context)
{
- u8 acquired = FALSE;
- acpi_status status;
-
+ u8 acquired = FALSE;
+ acpi_status status;
/*
* Attempt to get the lock
* If we don't get it now, it will be marked pending and we will
* take another interrupt when it becomes free.
*/
- ACPI_ACQUIRE_GLOBAL_LOCK (acpi_gbl_common_fACS.global_lock, acquired);
+ ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
if (acquired) {
/* Got the lock, now wake all threads waiting for it */
/* Run the Global Lock thread which will signal all waiting threads */
- status = acpi_os_queue_for_execution (OSD_PRIORITY_HIGH,
- acpi_ev_global_lock_thread, context);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Could not queue Global Lock thread, %s\n",
- acpi_format_exception (status)));
+ status = acpi_os_queue_for_execution(OSD_PRIORITY_HIGH,
+ acpi_ev_global_lock_thread,
+ context);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not queue Global Lock thread"));
return (ACPI_INTERRUPT_NOT_HANDLED);
}
return (ACPI_INTERRUPT_HANDLED);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_init_global_lock_handler
*
******************************************************************************/
-acpi_status
-acpi_ev_init_global_lock_handler (void)
+acpi_status acpi_ev_init_global_lock_handler(void)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_init_global_lock_handler");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ev_init_global_lock_handler");
acpi_gbl_global_lock_present = TRUE;
- status = acpi_install_fixed_event_handler (ACPI_EVENT_GLOBAL,
- acpi_ev_global_lock_handler, NULL);
+ status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
+ acpi_ev_global_lock_handler,
+ NULL);
/*
* If the global lock does not exist on this platform, the attempt
* with an error.
*/
if (status == AE_NO_HARDWARE_RESPONSE) {
+ ACPI_ERROR((AE_INFO,
+ "No response from Global Lock hardware, disabling lock"));
+
acpi_gbl_global_lock_present = FALSE;
status = AE_OK;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_ev_acquire_global_lock
*
*****************************************************************************/
-acpi_status
-acpi_ev_acquire_global_lock (
- u16 timeout)
+acpi_status acpi_ev_acquire_global_lock(u16 timeout)
{
- acpi_status status = AE_OK;
- u8 acquired = FALSE;
-
-
- ACPI_FUNCTION_TRACE ("ev_acquire_global_lock");
+ acpi_status status = AE_OK;
+ u8 acquired = FALSE;
+ ACPI_FUNCTION_TRACE("ev_acquire_global_lock");
#ifndef ACPI_APPLICATION
/* Make sure that we actually have a global lock */
if (!acpi_gbl_global_lock_present) {
- return_ACPI_STATUS (AE_NO_GLOBAL_LOCK);
+ return_ACPI_STATUS(AE_NO_GLOBAL_LOCK);
}
#endif
acpi_gbl_global_lock_thread_count++;
- /* If we (OS side vs. BIOS side) have the hardware lock already, we are done */
-
+ /*
+ * If we (OS side vs. BIOS side) have the hardware lock already,
+ * we are done
+ */
if (acpi_gbl_global_lock_acquired) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* We must acquire the actual hardware lock */
- ACPI_ACQUIRE_GLOBAL_LOCK (acpi_gbl_common_fACS.global_lock, acquired);
+ ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
if (acquired) {
- /* We got the lock */
+ /* We got the lock */
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Acquired the HW Global Lock\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Acquired the HW Global Lock\n"));
acpi_gbl_global_lock_acquired = TRUE;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/*
* Did not get the lock. The pending bit was set above, and we must now
* wait until we get the global lock released interrupt.
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Waiting for the HW Global Lock\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Waiting for the HW Global Lock\n"));
/*
* Acquire the global lock semaphore first.
* Since this wait will block, we must release the interpreter
*/
- status = acpi_ex_system_wait_semaphore (acpi_gbl_global_lock_semaphore,
- timeout);
- return_ACPI_STATUS (status);
+ status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
+ timeout);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_release_global_lock
*
******************************************************************************/
-acpi_status
-acpi_ev_release_global_lock (void)
+acpi_status acpi_ev_release_global_lock(void)
{
- u8 pending = FALSE;
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("ev_release_global_lock");
+ u8 pending = FALSE;
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE("ev_release_global_lock");
if (!acpi_gbl_global_lock_thread_count) {
- ACPI_REPORT_WARNING(("Cannot release HW Global Lock, it has not been acquired\n"));
- return_ACPI_STATUS (AE_NOT_ACQUIRED);
+ ACPI_WARNING((AE_INFO,
+ "Cannot release HW Global Lock, it has not been acquired"));
+ return_ACPI_STATUS(AE_NOT_ACQUIRED);
}
/* One fewer thread has the global lock */
if (acpi_gbl_global_lock_thread_count) {
/* There are still some threads holding the lock, cannot release */
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/*
* No more threads holding lock, we can do the actual hardware
* release
*/
- ACPI_RELEASE_GLOBAL_LOCK (acpi_gbl_common_fACS.global_lock, pending);
+ ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, pending);
acpi_gbl_global_lock_acquired = FALSE;
/*
* register
*/
if (pending) {
- status = acpi_set_register (ACPI_BITREG_GLOBAL_LOCK_RELEASE, 1, ACPI_MTX_LOCK);
+ status = acpi_set_register(ACPI_BITREG_GLOBAL_LOCK_RELEASE,
+ 1, ACPI_MTX_LOCK);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_ev_terminate
*
******************************************************************************/
-void
-acpi_ev_terminate (void)
+void acpi_ev_terminate(void)
{
- acpi_native_uint i;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_terminate");
+ acpi_native_uint i;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ev_terminate");
if (acpi_gbl_events_initialized) {
/*
/* Disable all fixed events */
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
- status = acpi_disable_event ((u32) i, 0);
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable fixed event %d\n", (u32) i));
+ status = acpi_disable_event((u32) i, 0);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not disable fixed event %d",
+ (u32) i));
}
}
/* Disable all GPEs in all GPE blocks */
- status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, ACPI_NOT_ISR);
+ status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block);
/* Remove SCI handler */
- status = acpi_ev_remove_sci_handler ();
+ status = acpi_ev_remove_sci_handler();
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not remove SCI handler\n"));
+ ACPI_ERROR((AE_INFO, "Could not remove SCI handler"));
}
}
/* Deallocate all handler objects installed within GPE info structs */
- status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers, ACPI_NOT_ISR);
+ status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers);
/* Return to original mode if necessary */
if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) {
- status = acpi_disable ();
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "acpi_disable failed\n"));
+ status = acpi_disable();
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO, "acpi_disable failed"));
}
}
return_VOID;
}
-
git://git.onelab.eu / linux-2.6.git / blobdiff