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authorLen Brown <len.brown@intel.com>2009-01-09 00:13:17 -0500
committerLen Brown <len.brown@intel.com>2009-01-09 03:30:47 -0500
commit95b482a8d31116f3f5c2a5089569393234d06385 (patch)
treef32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/events/evxfevnt.c
parent6620e0c49f577454b772fb381543d60ae53eb885 (diff)
downloadblackbird-op-linux-95b482a8d31116f3f5c2a5089569393234d06385.tar.gz
blackbird-op-linux-95b482a8d31116f3f5c2a5089569393234d06385.zip
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/events/evxfevnt.c')
-rw-r--r--drivers/acpi/events/evxfevnt.c871
1 files changed, 0 insertions, 871 deletions
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
deleted file mode 100644
index f33cc30cb6b8..000000000000
--- a/drivers/acpi/events/evxfevnt.c
+++ /dev/null
@@ -1,871 +0,0 @@
-/******************************************************************************
- *
- * Module Name: evxfevnt - External Interfaces, ACPI event disable/enable
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- * substantially similar to the "NO WARRANTY" disclaimer below
- * ("Disclaimer") and any redistribution must be conditioned upon
- * including a substantially similar Disclaimer requirement for further
- * binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- * of any contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/accommon.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT ACPI_EVENTS
-ACPI_MODULE_NAME("evxfevnt")
-
-/* Local prototypes */
-acpi_status
-acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block, void *context);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_enable
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Transfers the system into ACPI mode.
- *
- ******************************************************************************/
-
-acpi_status acpi_enable(void)
-{
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE(acpi_enable);
-
- /* ACPI tables must be present */
-
- if (!acpi_tb_tables_loaded()) {
- return_ACPI_STATUS(AE_NO_ACPI_TABLES);
- }
-
- /* Check current mode */
-
- if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "System is already in ACPI mode\n"));
- } else {
- /* Transition to ACPI mode */
-
- status = acpi_hw_set_mode(ACPI_SYS_MODE_ACPI);
- if (ACPI_FAILURE(status)) {
- ACPI_ERROR((AE_INFO,
- "Could not transition to ACPI mode"));
- return_ACPI_STATUS(status);
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "Transition to ACPI mode successful\n"));
- }
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_enable)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_disable
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode.
- *
- ******************************************************************************/
-acpi_status acpi_disable(void)
-{
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE(acpi_disable);
-
- if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) {
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "System is already in legacy (non-ACPI) mode\n"));
- } else {
- /* Transition to LEGACY mode */
-
- status = acpi_hw_set_mode(ACPI_SYS_MODE_LEGACY);
-
- if (ACPI_FAILURE(status)) {
- ACPI_ERROR((AE_INFO,
- "Could not exit ACPI mode to legacy mode"));
- return_ACPI_STATUS(status);
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI mode disabled\n"));
- }
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_disable)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_enable_event
- *
- * PARAMETERS: Event - The fixed eventto be enabled
- * Flags - Reserved
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enable an ACPI event (fixed)
- *
- ******************************************************************************/
-acpi_status acpi_enable_event(u32 event, u32 flags)
-{
- acpi_status status = AE_OK;
- u32 value;
-
- ACPI_FUNCTION_TRACE(acpi_enable_event);
-
- /* Decode the Fixed Event */
-
- if (event > ACPI_EVENT_MAX) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /*
- * Enable the requested fixed event (by writing a one to the enable
- * register bit)
- */
- status =
- acpi_set_register(acpi_gbl_fixed_event_info[event].
- enable_register_id, 1);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Make sure that the hardware responded */
-
- status =
- acpi_get_register(acpi_gbl_fixed_event_info[event].
- enable_register_id, &value);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- if (value != 1) {
- ACPI_ERROR((AE_INFO,
- "Could not enable %s event",
- acpi_ut_get_event_name(event)));
- return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
- }
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_enable_event)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_set_gpe_type
- *
- * PARAMETERS: gpe_device - Parent GPE Device
- * gpe_number - GPE level within the GPE block
- * Type - New GPE type
- *
- * RETURN: Status
- *
- * DESCRIPTION: Set the type of an individual GPE
- *
- ******************************************************************************/
-acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type)
-{
- acpi_status status = AE_OK;
- struct acpi_gpe_event_info *gpe_event_info;
-
- ACPI_FUNCTION_TRACE(acpi_set_gpe_type);
-
- /* Ensure that we have a valid GPE number */
-
- gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- if ((gpe_event_info->flags & ACPI_GPE_TYPE_MASK) == type) {
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Set the new type (will disable GPE if currently enabled) */
-
- status = acpi_ev_set_gpe_type(gpe_event_info, type);
-
- unlock_and_exit:
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_set_gpe_type)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_enable_gpe
- *
- * PARAMETERS: gpe_device - Parent GPE Device
- * gpe_number - GPE level within the GPE block
- * Flags - Just enable, or also wake enable?
- * Called from ISR or not
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enable an ACPI event (general purpose)
- *
- ******************************************************************************/
-acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
-{
- acpi_status status = AE_OK;
- acpi_cpu_flags flags;
- struct acpi_gpe_event_info *gpe_event_info;
-
- ACPI_FUNCTION_TRACE(acpi_enable_gpe);
-
- flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
-
- /* Ensure that we have a valid GPE number */
-
- gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- /* Perform the enable */
-
- status = acpi_ev_enable_gpe(gpe_event_info, TRUE);
-
- unlock_and_exit:
- acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_disable_gpe
- *
- * PARAMETERS: gpe_device - Parent GPE Device
- * gpe_number - GPE level within the GPE block
- * Flags - Just disable, or also wake disable?
- * Called from ISR or not
- *
- * RETURN: Status
- *
- * DESCRIPTION: Disable an ACPI event (general purpose)
- *
- ******************************************************************************/
-acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
-{
- acpi_status status = AE_OK;
- acpi_cpu_flags flags;
- struct acpi_gpe_event_info *gpe_event_info;
-
- ACPI_FUNCTION_TRACE(acpi_disable_gpe);
-
- flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
- /* Ensure that we have a valid GPE number */
-
- gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- status = acpi_ev_disable_gpe(gpe_event_info);
-
-unlock_and_exit:
- acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_disable_event
- *
- * PARAMETERS: Event - The fixed eventto be enabled
- * Flags - Reserved
- *
- * RETURN: Status
- *
- * DESCRIPTION: Disable an ACPI event (fixed)
- *
- ******************************************************************************/
-acpi_status acpi_disable_event(u32 event, u32 flags)
-{
- acpi_status status = AE_OK;
- u32 value;
-
- ACPI_FUNCTION_TRACE(acpi_disable_event);
-
- /* Decode the Fixed Event */
-
- if (event > ACPI_EVENT_MAX) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /*
- * Disable the requested fixed event (by writing a zero to the enable
- * register bit)
- */
- status =
- acpi_set_register(acpi_gbl_fixed_event_info[event].
- enable_register_id, 0);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- status =
- acpi_get_register(acpi_gbl_fixed_event_info[event].
- enable_register_id, &value);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- if (value != 0) {
- ACPI_ERROR((AE_INFO,
- "Could not disable %s events",
- acpi_ut_get_event_name(event)));
- return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
- }
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_disable_event)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_clear_event
- *
- * PARAMETERS: Event - The fixed event to be cleared
- *
- * RETURN: Status
- *
- * DESCRIPTION: Clear an ACPI event (fixed)
- *
- ******************************************************************************/
-acpi_status acpi_clear_event(u32 event)
-{
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE(acpi_clear_event);
-
- /* Decode the Fixed Event */
-
- if (event > ACPI_EVENT_MAX) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /*
- * Clear the requested fixed event (By writing a one to the status
- * register bit)
- */
- status =
- acpi_set_register(acpi_gbl_fixed_event_info[event].
- status_register_id, 1);
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_clear_event)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_clear_gpe
- *
- * PARAMETERS: gpe_device - Parent GPE Device
- * gpe_number - GPE level within the GPE block
- * Flags - Called from an ISR or not
- *
- * RETURN: Status
- *
- * DESCRIPTION: Clear an ACPI event (general purpose)
- *
- ******************************************************************************/
-acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
-{
- acpi_status status = AE_OK;
- struct acpi_gpe_event_info *gpe_event_info;
-
- ACPI_FUNCTION_TRACE(acpi_clear_gpe);
-
- /* Use semaphore lock if not executing at interrupt level */
-
- if (flags & ACPI_NOT_ISR) {
- status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- /* Ensure that we have a valid GPE number */
-
- gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- status = acpi_hw_clear_gpe(gpe_event_info);
-
- unlock_and_exit:
- if (flags & ACPI_NOT_ISR) {
- (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
- }
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
-/*******************************************************************************
- *
- * FUNCTION: acpi_get_event_status
- *
- * PARAMETERS: Event - The fixed event
- * event_status - Where the current status of the event will
- * be returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Obtains and returns the current status of the event
- *
- ******************************************************************************/
-acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
-{
- acpi_status status = AE_OK;
- u32 value;
-
- ACPI_FUNCTION_TRACE(acpi_get_event_status);
-
- if (!event_status) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Decode the Fixed Event */
-
- if (event > ACPI_EVENT_MAX) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Get the status of the requested fixed event */
-
- status =
- acpi_get_register(acpi_gbl_fixed_event_info[event].
- enable_register_id, &value);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(status);
-
- *event_status = value;
-
- status =
- acpi_get_register(acpi_gbl_fixed_event_info[event].
- status_register_id, &value);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(status);
-
- if (value)
- *event_status |= ACPI_EVENT_FLAG_SET;
-
- if (acpi_gbl_fixed_event_handlers[event].handler)
- *event_status |= ACPI_EVENT_FLAG_HANDLE;
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_event_status)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_get_gpe_status
- *
- * PARAMETERS: gpe_device - Parent GPE Device
- * gpe_number - GPE level within the GPE block
- * Flags - Called from an ISR or not
- * event_status - Where the current status of the event will
- * be returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Get status of an event (general purpose)
- *
- ******************************************************************************/
-acpi_status
-acpi_get_gpe_status(acpi_handle gpe_device,
- u32 gpe_number, u32 flags, acpi_event_status * event_status)
-{
- acpi_status status = AE_OK;
- struct acpi_gpe_event_info *gpe_event_info;
-
- ACPI_FUNCTION_TRACE(acpi_get_gpe_status);
-
- /* Use semaphore lock if not executing at interrupt level */
-
- if (flags & ACPI_NOT_ISR) {
- status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- /* Ensure that we have a valid GPE number */
-
- gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- /* Obtain status on the requested GPE number */
-
- status = acpi_hw_get_gpe_status(gpe_event_info, event_status);
-
- if (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)
- *event_status |= ACPI_EVENT_FLAG_HANDLE;
-
- unlock_and_exit:
- if (flags & ACPI_NOT_ISR) {
- (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
- }
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
-/*******************************************************************************
- *
- * FUNCTION: acpi_install_gpe_block
- *
- * PARAMETERS: gpe_device - Handle to the parent GPE Block Device
- * gpe_block_address - Address and space_iD
- * register_count - Number of GPE register pairs in the block
- * interrupt_number - H/W interrupt for the block
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create and Install a block of GPE registers
- *
- ******************************************************************************/
-acpi_status
-acpi_install_gpe_block(acpi_handle gpe_device,
- struct acpi_generic_address *gpe_block_address,
- u32 register_count, u32 interrupt_number)
-{
- acpi_status status;
- union acpi_operand_object *obj_desc;
- struct acpi_namespace_node *node;
- struct acpi_gpe_block_info *gpe_block;
-
- ACPI_FUNCTION_TRACE(acpi_install_gpe_block);
-
- if ((!gpe_device) || (!gpe_block_address) || (!register_count)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- node = acpi_ns_map_handle_to_node(gpe_device);
- if (!node) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- /*
- * For user-installed GPE Block Devices, the gpe_block_base_number
- * is always zero
- */
- status =
- acpi_ev_create_gpe_block(node, gpe_block_address, register_count, 0,
- interrupt_number, &gpe_block);
- if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
- }
-
- /* Run the _PRW methods and enable the GPEs */
-
- status = acpi_ev_initialize_gpe_block(node, gpe_block);
- if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
- }
-
- /* Get the device_object attached to the node */
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc) {
-
- /* No object, create a new one */
-
- obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_DEVICE);
- if (!obj_desc) {
- status = AE_NO_MEMORY;
- goto unlock_and_exit;
- }
-
- status =
- acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_DEVICE);
-
- /* Remove local reference to the object */
-
- acpi_ut_remove_reference(obj_desc);
-
- if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
- }
- }
-
- /* Install the GPE block in the device_object */
-
- obj_desc->device.gpe_block = gpe_block;
-
- unlock_and_exit:
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_install_gpe_block)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_remove_gpe_block
- *
- * PARAMETERS: gpe_device - Handle to the parent GPE Block Device
- *
- * RETURN: Status
- *
- * DESCRIPTION: Remove a previously installed block of GPE registers
- *
- ******************************************************************************/
-acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
-{
- union acpi_operand_object *obj_desc;
- acpi_status status;
- struct acpi_namespace_node *node;
-
- ACPI_FUNCTION_TRACE(acpi_remove_gpe_block);
-
- if (!gpe_device) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- node = acpi_ns_map_handle_to_node(gpe_device);
- if (!node) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- /* Get the device_object attached to the node */
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc || !obj_desc->device.gpe_block) {
- return_ACPI_STATUS(AE_NULL_OBJECT);
- }
-
- /* Delete the GPE block (but not the device_object) */
-
- status = acpi_ev_delete_gpe_block(obj_desc->device.gpe_block);
- if (ACPI_SUCCESS(status)) {
- obj_desc->device.gpe_block = NULL;
- }
-
- unlock_and_exit:
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_get_gpe_device
- *
- * PARAMETERS: Index - System GPE index (0-current_gpe_count)
- * gpe_device - Where the parent GPE Device is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Obtain the GPE device associated with the input index. A NULL
- * gpe device indicates that the gpe number is contained in one of
- * the FADT-defined gpe blocks. Otherwise, the GPE block device.
- *
- ******************************************************************************/
-acpi_status
-acpi_get_gpe_device(u32 index, acpi_handle *gpe_device)
-{
- struct acpi_gpe_device_info info;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(acpi_get_gpe_device);
-
- if (!gpe_device) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- if (index >= acpi_current_gpe_count) {
- return_ACPI_STATUS(AE_NOT_EXIST);
- }
-
- /* Setup and walk the GPE list */
-
- info.index = index;
- info.status = AE_NOT_EXIST;
- info.gpe_device = NULL;
- info.next_block_base_index = 0;
-
- status = acpi_ev_walk_gpe_list(acpi_ev_get_gpe_device, &info);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- *gpe_device = info.gpe_device;
- return_ACPI_STATUS(info.status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_gpe_device)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ev_get_gpe_device
- *
- * PARAMETERS: GPE_WALK_CALLBACK
- *
- * RETURN: Status
- *
- * DESCRIPTION: Matches the input GPE index (0-current_gpe_count) with a GPE
- * block device. NULL if the GPE is one of the FADT-defined GPEs.
- *
- ******************************************************************************/
-acpi_status
-acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block, void *context)
-{
- struct acpi_gpe_device_info *info = context;
-
- /* Increment Index by the number of GPEs in this block */
-
- info->next_block_base_index +=
- (gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH);
-
- if (info->index < info->next_block_base_index) {
- /*
- * The GPE index is within this block, get the node. Leave the node
- * NULL for the FADT-defined GPEs
- */
- if ((gpe_block->node)->type == ACPI_TYPE_DEVICE) {
- info->gpe_device = gpe_block->node;
- }
-
- info->status = AE_OK;
- return (AE_CTRL_END);
- }
-
- return (AE_OK);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_disable_all_gpes
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
- *
- ******************************************************************************/
-
-acpi_status acpi_disable_all_gpes(void)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(acpi_disable_all_gpes);
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- status = acpi_hw_disable_all_gpes();
- (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
-
- return_ACPI_STATUS(status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_enable_all_runtime_gpes
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
- *
- ******************************************************************************/
-
-acpi_status acpi_enable_all_runtime_gpes(void)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(acpi_enable_all_runtime_gpes);
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- status = acpi_hw_enable_all_runtime_gpes();
- (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
-
- return_ACPI_STATUS(status);
-}
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